/* roulang page: index */
:root {
            --ok-primary: #2E7D8C;
            --ok-primary-dark: #226572;
            --ok-primary-light: #D9E8EC;
            --ok-primary-soft: #F0F6F8;
            --ok-secondary: #5BA3B8;
            --ok-accent: #C77D3F;
            --ok-accent-light: #F7EDE4;
            --ok-bg: #FAFCFD;
            --ok-card-bg: #FFFFFF;
            --ok-text-main: #1A2B33;
            --ok-text-secondary: #5C6F78;
            --ok-text-muted: #8FA0A8;
            --ok-border: #D3DFE3;
            --ok-border-light: #E4EDF0;
            --ok-shadow-sm: 0 2px 8px rgba(30, 60, 70, 0.06);
            --ok-shadow-md: 0 8px 24px rgba(30, 60, 70, 0.08);
            --ok-shadow-lg: 0 16px 40px rgba(30, 60, 70, 0.12);
            --ok-radius-sm: 6px;
            --ok-radius-md: 10px;
            --ok-radius-lg: 14px;
            --ok-radius-pill: 20px;
            --ok-font-sans: system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Inter', 'Roboto', sans-serif;
            --ok-spacing-xs: 8px;
            --ok-spacing-sm: 16px;
            --ok-spacing-md: 24px;
            --ok-spacing-lg: 40px;
            --ok-spacing-xl: 56px;
            --ok-spacing-xxl: 72px;
            --ok-spacing-xxxl: 96px;
            --ok-transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--ok-font-sans);
            background-color: var(--ok-bg);
            color: var(--ok-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--ok-transition);
        }

        a:hover {
            color: var(--ok-primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .ok-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--ok-spacing-md);
        }

        @media (min-width: 768px) {
            .ok-container {
                padding: 0 var(--ok-spacing-lg);
            }
        }

        /* Header / Nav */
        .ok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--ok-border-light);
            padding: 0;
            box-shadow: 0 1px 4px rgba(30, 60, 70, 0.04);
        }

        .ok-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 0;
            gap: 8px;
        }

        .ok-nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .ok-nav-brand .ok-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--ok-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
        }

        .ok-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
        }

        .ok-nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
            border-radius: 6px;
            transition: all var(--ok-transition);
            white-space: nowrap;
        }

        .ok-nav-links li a:hover,
        .ok-nav-links li a:focus-visible {
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }

        .ok-nav-links li a.ok-active {
            color: var(--ok-primary);
            font-weight: 600;
            background: var(--ok-primary-soft);
        }

        .ok-nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 4px;
            flex-wrap: wrap;
        }

        .ok-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary-light);
            white-space: nowrap;
            transition: all var(--ok-transition);
        }

        .ok-chip:hover {
            background: var(--ok-primary-light);
            border-color: var(--ok-primary);
        }

        .ok-chip .ok-chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--ok-accent);
        }

        .ok-chip.ok-chip-warm .ok-chip-dot {
            background: var(--ok-accent);
        }

        .ok-chip.ok-chip-live .ok-chip-dot {
            background: #E05D4F;
        }

        .ok-chip.ok-chip-replay .ok-chip-dot {
            background: #7A8A90;
        }

        .ok-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--ok-border);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 1.2rem;
            color: var(--ok-text-main);
            cursor: pointer;
            transition: all var(--ok-transition);
        }

        .ok-nav-toggle:hover {
            border-color: var(--ok-primary);
            color: var(--ok-primary);
        }

        @media (max-width: 992px) {
            .ok-nav {
                flex-wrap: wrap;
            }
            .ok-nav-toggle {
                display: block;
            }
            .ok-nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-radius: var(--ok-radius-md);
                padding: 12px;
                box-shadow: var(--ok-shadow-md);
                margin-top: 8px;
            }
            .ok-nav-links.ok-open {
                display: flex;
            }
            .ok-nav-links li a {
                padding: 12px 16px;
                font-size: 1rem;
            }
            .ok-nav-chips {
                display: flex;
                flex-wrap: wrap;
                gap: 8px;
                padding: 8px 4px;
                width: 100%;
            }
        }

        @media (max-width: 576px) {
            .ok-nav-brand {
                font-size: 1.25rem;
            }
            .ok-nav-brand .ok-brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .ok-chip {
                font-size: 0.7rem;
                padding: 3px 10px;
            }
        }

        /* Hero */
        .ok-hero {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(46, 125, 140, 0.88) 0%, rgba(46, 125, 140, 0.75) 50%, rgba(91, 163, 184, 0.65) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center;
            background-size: cover;
            padding: var(--ok-spacing-xxl) 0;
        }

        .ok-hero-overlay {
            position: absolute;
            inset: 0;
            background: rgba(250, 252, 253, 0.12);
        }

        .ok-hero .ok-container {
            position: relative;
            z-index: 2;
        }

        .ok-hero-content {
            max-width: 680px;
        }

        .ok-hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 6px 16px;
            border-radius: var(--ok-radius-pill);
            margin-bottom: var(--ok-spacing-md);
            letter-spacing: 1px;
        }

        .ok-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: var(--ok-spacing-md);
            letter-spacing: -0.5px;
        }

        .ok-hero-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: var(--ok-spacing-lg);
            line-height: 1.8;
            max-width: 560px;
        }

        .ok-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: var(--ok-spacing-lg);
        }

        .ok-hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
        }

        .ok-hero-trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .ok-hero-trust-item .ok-trust-icon {
            width: 20px;
            height: 20px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: #fff;
        }

        @media (max-width: 768px) {
            .ok-hero {
                min-height: 55vh;
                padding: var(--ok-spacing-xl) 0;
            }
            .ok-hero h1 {
                font-size: 2rem;
            }
            .ok-hero-desc {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 576px) {
            .ok-hero h1 {
                font-size: 1.6rem;
            }
            .ok-hero-label {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
            .ok-hero-actions {
                flex-direction: column;
                gap: 8px;
            }
            .ok-hero-actions .ok-btn {
                width: 100%;
                text-align: center;
            }
        }

        /* Buttons */
        .ok-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all var(--ok-transition);
            text-align: center;
            min-height: 44px;
            line-height: 1.4;
        }

        .ok-btn-primary {
            background: var(--ok-primary);
            color: #fff;
            border: 2px solid var(--ok-primary);
        }

        .ok-btn-primary:hover,
        .ok-btn-primary:focus-visible {
            background: var(--ok-primary-dark);
            border-color: var(--ok-primary-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(46, 125, 140, 0.35);
        }

        .ok-btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .ok-btn-outline:hover,
        .ok-btn-outline:focus-visible {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 255, 255, 0.2);
        }

        .ok-btn-secondary {
            background: #fff;
            color: var(--ok-primary);
            border: 2px solid var(--ok-primary);
        }

        .ok-btn-secondary:hover,
        .ok-btn-secondary:focus-visible {
            background: var(--ok-primary-soft);
            border-color: var(--ok-primary);
            color: var(--ok-primary-dark);
            box-shadow: 0 4px 16px rgba(46, 125, 140, 0.2);
        }

        .ok-btn-accent {
            background: var(--ok-accent);
            color: #fff;
            border: 2px solid var(--ok-accent);
        }

        .ok-btn-accent:hover,
        .ok-btn-accent:focus-visible {
            background: #B06A32;
            border-color: #B06A32;
            color: #fff;
            box-shadow: 0 4px 16px rgba(199, 125, 63, 0.35);
        }

        /* Sections */
        .ok-section {
            padding: var(--ok-spacing-xxl) 0;
        }

        .ok-section-alt {
            background: var(--ok-primary-soft);
        }

        .ok-section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
            letter-spacing: -0.3px;
        }

        .ok-section-desc {
            font-size: 0.95rem;
            color: var(--ok-text-secondary);
            margin-bottom: var(--ok-spacing-lg);
            max-width: 680px;
            line-height: 1.75;
        }

        /* Metrics */
        .ok-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--ok-spacing-md);
        }

        .ok-metric-card {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-md) var(--ok-spacing-sm);
            text-align: center;
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
            transition: all var(--ok-transition);
        }

        .ok-metric-card:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-3px);
        }

        .ok-metric-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--ok-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .ok-metric-unit {
            font-size: 0.95rem;
            color: var(--ok-text-secondary);
            font-weight: 500;
        }

        .ok-metric-label {
            font-size: 0.82rem;
            color: var(--ok-text-muted);
            margin-top: 4px;
        }

        @media (max-width: 992px) {
            .ok-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .ok-metrics-grid {
                grid-template-columns: 1fr;
            }
            .ok-metric-card {
                padding: var(--ok-spacing-sm);
            }
            .ok-metric-number {
                font-size: 1.7rem;
            }
        }

        /* Service Matrix */
        .ok-service-matrix {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--ok-spacing-md);
        }

        .ok-service-card {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-lg);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
            transition: all var(--ok-transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .ok-service-card:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-4px);
            border-color: var(--ok-primary-light);
        }

        .ok-service-card .ok-service-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--ok-radius-sm);
            background: var(--ok-primary-soft);
            margin-bottom: 4px;
        }

        .ok-service-card.ok-card-full {
            grid-column: span 2;
            flex-direction: row;
            align-items: center;
            gap: var(--ok-spacing-md);
        }

        .ok-service-card.ok-card-full .ok-service-img {
            width: 300px;
            height: 160px;
            flex-shrink: 0;
            margin-bottom: 0;
        }

        .ok-service-card h3 {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--ok-text-main);
        }

        .ok-service-card p {
            font-size: 0.9rem;
            color: var(--ok-text-secondary);
            line-height: 1.65;
        }

        .ok-service-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
            padding: 4px 12px;
            border-radius: var(--ok-radius-pill);
            align-self: flex-start;
        }

        @media (max-width: 992px) {
            .ok-service-matrix {
                grid-template-columns: 1fr;
            }
            .ok-service-card.ok-card-full {
                grid-column: span 1;
                flex-direction: column;
                align-items: stretch;
            }
            .ok-service-card.ok-card-full .ok-service-img {
                width: 100%;
                height: 180px;
            }
        }

        @media (max-width: 576px) {
            .ok-service-card {
                padding: var(--ok-spacing-sm);
            }
            .ok-service-card .ok-service-img {
                height: 140px;
            }
        }

        /* Comparison */
        .ok-compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--ok-spacing-lg);
            align-items: stretch;
        }

        .ok-compare-card {
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-lg);
            border: 1px solid var(--ok-border-light);
            transition: all var(--ok-transition);
        }

        .ok-compare-card.ok-compare-before {
            background: #F5F7F8;
            border-color: #E0E6E8;
        }

        .ok-compare-card.ok-compare-after {
            background: var(--ok-primary-soft);
            border-color: var(--ok-primary-light);
        }

        .ok-compare-card h4 {
            font-size: 1.05rem;
            font-weight: 650;
            margin-bottom: var(--ok-spacing-sm);
            color: var(--ok-text-main);
        }

        .ok-compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .ok-compare-card ul li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--ok-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid var(--ok-border-light);
        }

        .ok-compare-card ul li:last-child {
            border-bottom: none;
        }

        .ok-compare-card.ok-compare-before ul li {
            color: var(--ok-text-muted);
        }

        .ok-compare-card.ok-compare-after ul li {
            color: var(--ok-text-main);
            font-weight: 500;
        }

        .ok-compare-card .ok-compare-icon {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            margin-top: 3px;
        }

        .ok-compare-before .ok-compare-icon {
            background: #D3D9DC;
            color: #78909C;
        }

        .ok-compare-after .ok-compare-icon {
            background: var(--ok-primary);
            color: #fff;
        }

        @media (max-width: 768px) {
            .ok-compare-grid {
                grid-template-columns: 1fr;
                gap: var(--ok-spacing-sm);
            }
        }

        /* Steps / Timeline */
        .ok-steps-grid {
            display: flex;
            flex-wrap: wrap;
            gap: var(--ok-spacing-md);
            justify-content: space-between;
        }

        .ok-step-card {
            flex: 1 1 200px;
            min-width: 180px;
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-md);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
            text-align: center;
            transition: all var(--ok-transition);
        }

        .ok-step-card:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-3px);
        }

        .ok-step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--ok-primary);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--ok-spacing-xs);
        }

        .ok-step-card h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ok-text-main);
            margin-bottom: 6px;
        }

        .ok-step-card p {
            font-size: 0.82rem;
            color: var(--ok-text-secondary);
            line-height: 1.55;
            margin: 0;
        }

        /* FAQ */
        .ok-faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

        .ok-accordion .accordion-item {
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--ok-card-bg);
            box-shadow: var(--ok-shadow-sm);
        }

        .ok-accordion .accordion-button {
            background: var(--ok-primary-soft);
            color: var(--ok-text-main);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 20px;
            border: none;
            border-radius: var(--ok-radius-md) !important;
            box-shadow: none;
            transition: all var(--ok-transition);
        }

        .ok-accordion .accordion-button:not(.collapsed) {
            background: var(--ok-primary);
            color: #fff;
            box-shadow: none;
        }

        .ok-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(46, 125, 140, 0.3);
        }

        .ok-accordion .accordion-body {
            padding: 18px 20px;
            font-size: 0.9rem;
            color: var(--ok-text-secondary);
            line-height: 1.75;
            background: #fff;
            border-radius: 0 0 var(--ok-radius-md) var(--ok-radius-md);
        }

        .ok-accordion .accordion-button::after {
            filter: brightness(0) invert(0.6);
        }

        .ok-accordion .accordion-button:not(.collapsed)::after {
            filter: brightness(0) invert(1);
        }

        /* Testimonials */
        .ok-testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--ok-spacing-md);
        }

        .ok-testimonial-card {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-md);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
            transition: all var(--ok-transition);
        }

        .ok-testimonial-card:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-3px);
        }

        .ok-testimonial-text {
            font-size: 0.88rem;
            color: var(--ok-text-secondary);
            line-height: 1.7;
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-testimonial-author {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--ok-text-main);
        }

        .ok-testimonial-role {
            font-size: 0.75rem;
            color: var(--ok-text-muted);
        }

        @media (max-width: 992px) {
            .ok-testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .ok-testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Partner Tags */
        .ok-partner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .ok-partner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--ok-card-bg);
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-pill);
            padding: 10px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--ok-text-main);
            transition: all var(--ok-transition);
            cursor: default;
        }

        .ok-partner-tag:hover {
            border-color: var(--ok-primary);
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            box-shadow: var(--ok-shadow-sm);
        }

        .ok-partner-tag .ok-tag-icon {
            width: 22px;
            height: 22px;
            background: var(--ok-accent-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.65rem;
            color: var(--ok-accent);
            font-weight: 700;
        }

        /* News */
        .ok-news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--ok-spacing-lg);
        }

        .ok-news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .ok-news-item {
            border-bottom: 1px solid var(--ok-border-light);
            padding: 14px 0;
            transition: all var(--ok-transition);
        }

        .ok-news-item:hover {
            padding-left: 8px;
        }

        .ok-news-item a {
            display: block;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ok-text-main);
            margin-bottom: 4px;
        }

        .ok-news-item a:hover {
            color: var(--ok-primary);
        }

        .ok-news-summary {
            font-size: 0.82rem;
            color: var(--ok-text-secondary);
            line-height: 1.65;
        }

        .ok-news-sidebar {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-md);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
        }

        .ok-news-sidebar h4 {
            font-size: 0.95rem;
            font-weight: 650;
            color: var(--ok-text-main);
            margin-bottom: 12px;
        }

        .ok-news-sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .ok-news-sidebar-list li {
            padding: 8px 0;
            font-size: 0.8rem;
            color: var(--ok-text-secondary);
            border-bottom: 1px solid var(--ok-border-light);
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .ok-news-sidebar-list li:last-child {
            border-bottom: none;
        }

        .ok-news-sidebar-list li .ok-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--ok-accent);
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .ok-news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Form */
        .ok-form-section {
            background: var(--ok-primary-soft);
            border-radius: var(--ok-radius-lg);
            padding: var(--ok-spacing-xl);
        }

        .ok-form-group {
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-form-group label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ok-text-main);
            margin-bottom: 6px;
            display: block;
        }

        .ok-form-control {
            width: 100%;
            padding: 12px 16px;
            font-size: 0.9rem;
            border: 1px solid var(--ok-border);
            border-radius: 6px;
            background: #fff;
            color: var(--ok-text-main);
            transition: all var(--ok-transition);
            min-height: 44px;
        }

        .ok-form-control:focus {
            outline: none;
            border-color: var(--ok-primary);
            box-shadow: 0 0 0 3px rgba(46, 125, 140, 0.2);
        }

        .ok-form-control::placeholder {
            color: var(--ok-text-muted);
        }

        textarea.ok-form-control {
            min-height: 100px;
            resize: vertical;
        }

        @media (max-width: 576px) {
            .ok-form-section {
                padding: var(--ok-spacing-md);
            }
        }

        /* Brand Intro */
        .ok-brand-intro {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-lg);
            padding: var(--ok-spacing-xl);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
        }

        .ok-brand-intro h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-brand-intro p {
            font-size: 0.92rem;
            color: var(--ok-text-secondary);
            line-height: 1.8;
            margin-bottom: var(--ok-spacing-xs);
        }

        /* Tables (Package Comparison) */
        .ok-package-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--ok-spacing-md);
        }

        .ok-package-card {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-lg);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
            transition: all var(--ok-transition);
            position: relative;
            overflow: hidden;
        }

        .ok-package-card:hover {
            box-shadow: var(--ok-shadow-lg);
            transform: translateY(-4px);
            border-color: var(--ok-primary-light);
        }

        .ok-package-card.ok-package-featured {
            border-color: var(--ok-primary);
            border-width: 2px;
            background: linear-gradient(180deg, #fff 0%, var(--ok-primary-soft) 100%);
        }

        .ok-package-card .ok-package-badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            padding: 4px 12px;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-accent-light);
            color: var(--ok-accent);
            margin-bottom: var(--ok-spacing-xs);
        }

        .ok-package-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: 6px;
        }

        .ok-package-price {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ok-primary);
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-package-price span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
        }

        .ok-package-features {
            list-style: none;
            padding: 0;
            margin: 0 0 var(--ok-spacing-sm);
        }

        .ok-package-features li {
            font-size: 0.82rem;
            color: var(--ok-text-secondary);
            padding: 6px 0;
            border-bottom: 1px solid var(--ok-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ok-package-features li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--ok-primary);
            flex-shrink: 0;
        }

        @media (max-width: 992px) {
            .ok-package-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Guarantee Bar */
        .ok-guarantee-bar {
            display: flex;
            flex-wrap: wrap;
            gap: var(--ok-spacing-md);
            justify-content: center;
            align-items: center;
            padding: var(--ok-spacing-md) 0;
        }

        .ok-guarantee-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--ok-text-main);
            background: var(--ok-card-bg);
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-md);
            padding: 12px 20px;
            box-shadow: var(--ok-shadow-sm);
            transition: all var(--ok-transition);
        }

        .ok-guarantee-item:hover {
            border-color: var(--ok-primary-light);
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-2px);
        }

        .ok-guarantee-item .ok-guarantee-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* Footer */
        .ok-footer {
            background: #F0F4F5;
            padding: var(--ok-spacing-xl) 0 var(--ok-spacing-md);
            border-top: 1px solid var(--ok-border-light);
        }

        .ok-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--ok-spacing-lg);
            margin-bottom: var(--ok-spacing-lg);
        }

        .ok-footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ok-primary);
            margin-bottom: var(--ok-spacing-xs);
        }

        .ok-footer-desc {
            font-size: 0.82rem;
            color: var(--ok-text-secondary);
            line-height: 1.7;
        }

        .ok-footer-col h5 {
            font-size: 0.85rem;
            font-weight: 650;
            color: var(--ok-text-main);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .ok-footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .ok-footer-col ul li {
            margin-bottom: 8px;
        }

        .ok-footer-col ul li a {
            font-size: 0.8rem;
            color: var(--ok-text-secondary);
            transition: all var(--ok-transition);
        }

        .ok-footer-col ul li a:hover {
            color: var(--ok-primary);
            padding-left: 4px;
        }

        .ok-footer-bottom {
            border-top: 1px solid var(--ok-border-light);
            padding-top: var(--ok-spacing-sm);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--ok-text-muted);
        }

        .ok-footer-bottom a {
            color: var(--ok-text-muted);
            text-decoration: none;
        }

        .ok-footer-bottom a:hover {
            color: var(--ok-primary);
        }

        @media (max-width: 768px) {
            .ok-footer-grid {
                grid-template-columns: 1fr;
                gap: var(--ok-spacing-md);
            }
            .ok-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Utility */
        .ok-text-primary {
            color: var(--ok-primary);
        }
        .ok-text-accent {
            color: var(--ok-accent);
        }
        .ok-mb-0 {
            margin-bottom: 0;
        }
        .ok-mb-sm {
            margin-bottom: var(--ok-spacing-sm);
        }
        .ok-mb-md {
            margin-bottom: var(--ok-spacing-md);
        }
        .ok-mb-lg {
            margin-bottom: var(--ok-spacing-lg);
        }

        /* Price Ladder */
        .ok-ladder-grid {
            display: flex;
            flex-direction: column;
            gap: var(--ok-spacing-sm);
            max-width: 680px;
        }

        .ok-ladder-item {
            display: flex;
            align-items: center;
            gap: var(--ok-spacing-sm);
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-sm) var(--ok-spacing-md);
            border: 1px solid var(--ok-border-light);
            box-shadow: var(--ok-shadow-sm);
            transition: all var(--ok-transition);
        }

        .ok-ladder-item:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateX(4px);
            border-color: var(--ok-primary-light);
        }

        .ok-ladder-level {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--ok-primary);
            color: #fff;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.85rem;
        }

        .ok-ladder-item:nth-child(2) .ok-ladder-level {
            background: var(--ok-secondary);
        }
        .ok-ladder-item:nth-child(3) .ok-ladder-level {
            background: var(--ok-accent);
        }
        .ok-ladder-item:nth-child(4) .ok-ladder-level {
            background: #4A8F5C;
        }

        .ok-ladder-info {
            flex: 1;
        }

        .ok-ladder-info h5 {
            font-size: 0.9rem;
            font-weight: 650;
            color: var(--ok-text-main);
            margin-bottom: 2px;
        }

        .ok-ladder-info p {
            font-size: 0.78rem;
            color: var(--ok-text-secondary);
            margin: 0;
        }

        .ok-ladder-cta {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--ok-primary);
            white-space: nowrap;
        }

/* roulang page: category2 */
:root {
            --ok-primary: #2E7D8C;
            --ok-primary-dark: #226572;
            --ok-primary-light: #D9E8EC;
            --ok-primary-soft: #F0F6F8;
            --ok-secondary: #5BA3B8;
            --ok-accent: #C77D3F;
            --ok-accent-light: #F7EDE4;
            --ok-bg: #FAFCFD;
            --ok-card-bg: #FFFFFF;
            --ok-text-main: #1A2B33;
            --ok-text-secondary: #5C6F78;
            --ok-text-muted: #8FA0A8;
            --ok-border: #D3DFE3;
            --ok-border-light: #E4EDF0;
            --ok-shadow-sm: 0 2px 8px rgba(30, 60, 70, 0.06);
            --ok-shadow-md: 0 8px 24px rgba(30, 60, 70, 0.08);
            --ok-shadow-lg: 0 16px 40px rgba(30, 60, 70, 0.12);
            --ok-radius-sm: 6px;
            --ok-radius-md: 10px;
            --ok-radius-lg: 14px;
            --ok-radius-pill: 20px;
            --ok-font-sans: system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Inter', 'Roboto', sans-serif;
            --ok-spacing-xs: 8px;
            --ok-spacing-sm: 16px;
            --ok-spacing-md: 24px;
            --ok-spacing-lg: 40px;
            --ok-spacing-xl: 56px;
            --ok-spacing-xxl: 72px;
            --ok-spacing-xxxl: 96px;
            --ok-transition: 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--ok-font-sans);
            background-color: var(--ok-bg);
            color: var(--ok-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--ok-transition);
        }

        a:hover {
            color: var(--ok-primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .ok-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--ok-spacing-lg);
        }

        /* Header / Nav */
        .ok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--ok-border-light);
            padding: 0;
            box-shadow: 0 1px 4px rgba(30, 60, 70, 0.04);
        }

        .ok-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 0;
            gap: 8px;
        }

        .ok-nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .ok-nav-brand .ok-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--ok-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
        }

        .ok-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ok-nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
            border-radius: 6px;
            transition: all var(--ok-transition);
            white-space: nowrap;
        }

        .ok-nav-links li a:hover,
        .ok-nav-links li a:focus-visible {
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }

        .ok-nav-links li a.ok-active {
            color: var(--ok-primary);
            font-weight: 600;
            background: var(--ok-primary-soft);
        }

        .ok-nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 4px;
            flex-wrap: wrap;
        }

        .ok-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary-light);
            white-space: nowrap;
            transition: all var(--ok-transition);
        }

        .ok-chip:hover {
            background: var(--ok-primary-light);
            border-color: var(--ok-primary);
        }

        .ok-chip .ok-chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--ok-accent);
        }

        .ok-chip.ok-chip-warm .ok-chip-dot {
            background: var(--ok-accent);
        }

        .ok-chip.ok-chip-live .ok-chip-dot {
            background: #E05D4F;
        }

        .ok-chip.ok-chip-replay .ok-chip-dot {
            background: #7A8A90;
        }

        .ok-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--ok-border);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 1.2rem;
            color: var(--ok-text-main);
            cursor: pointer;
        }

        /* Breadcrumb */
        .ok-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--ok-text-muted);
            padding: 20px 0 0;
            flex-wrap: wrap;
        }

        .ok-breadcrumb a {
            color: var(--ok-text-secondary);
        }

        .ok-breadcrumb a:hover {
            color: var(--ok-primary);
        }

        .ok-breadcrumb .ok-sep {
            color: var(--ok-text-muted);
            user-select: none;
        }

        .ok-breadcrumb .ok-current {
            color: var(--ok-primary);
            font-weight: 500;
        }

        /* Page Header */
        .ok-page-header {
            padding: 32px 0 8px;
        }

        .ok-page-header h1 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--ok-text-main);
            letter-spacing: 0.5px;
            margin: 0 0 16px;
            line-height: 1.3;
        }

        .ok-page-header .ok-page-sub {
            font-size: 1.05rem;
            color: var(--ok-text-secondary);
            max-width: 800px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        /* Filter chips */
        .ok-filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 16px 0 20px;
            border-bottom: 1px solid var(--ok-border-light);
            margin-bottom: 32px;
        }

        .ok-filter-bar .ok-filter-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--ok-text-secondary);
            margin-right: 8px;
        }

        .ok-filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-card-bg);
            color: var(--ok-text-secondary);
            border: 1px solid var(--ok-border);
            cursor: pointer;
            transition: all var(--ok-transition);
            white-space: nowrap;
        }

        .ok-filter-chip:hover {
            border-color: var(--ok-primary);
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }

        .ok-filter-chip.ok-filter-active {
            background: var(--ok-primary);
            color: #fff;
            border-color: var(--ok-primary);
        }

        .ok-filter-chip .ok-filter-count {
            font-size: 0.75rem;
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border-radius: 20px;
            padding: 1px 8px;
            font-weight: 600;
        }

        .ok-filter-chip.ok-filter-active .ok-filter-count {
            background: rgba(255, 255, 255, 0.25);
            color: #fff;
        }

        /* Case Layout */
        .ok-cases-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            align-items: start;
        }

        .ok-cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        /* Case Card */
        .ok-case-card {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            box-shadow: var(--ok-shadow-sm);
            overflow: hidden;
            transition: all var(--ok-transition);
            display: flex;
            flex-direction: column;
        }

        .ok-case-card:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-4px);
        }

        .ok-case-card .ok-case-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--ok-primary-soft);
        }

        .ok-case-card .ok-case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .ok-case-card:hover .ok-case-img img {
            transform: scale(1.05);
        }

        .ok-case-card .ok-case-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--ok-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--ok-radius-pill);
            border: 1px solid var(--ok-primary-light);
        }

        .ok-case-card .ok-case-body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .ok-case-card .ok-case-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .ok-case-card .ok-case-desc {
            font-size: 0.88rem;
            color: var(--ok-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .ok-case-card .ok-case-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }

        .ok-case-card .ok-metric {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
            padding: 3px 10px;
            border-radius: 4px;
            white-space: nowrap;
        }

        .ok-case-card .ok-case-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--ok-text-muted);
            border-top: 1px solid var(--ok-border-light);
            padding-top: 14px;
        }

        .ok-case-card .ok-case-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ok-primary);
            transition: all var(--ok-transition);
        }

        .ok-case-card .ok-case-link:hover {
            color: var(--ok-primary-dark);
        }

        /* Pagination */
        .ok-pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin: 32px 0 40px;
            flex-wrap: wrap;
        }

        .ok-pagination .ok-page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-size: 0.88rem;
            font-weight: 500;
            border-radius: var(--ok-radius-sm);
            background: var(--ok-card-bg);
            color: var(--ok-text-secondary);
            border: 1px solid var(--ok-border);
            cursor: pointer;
            transition: all var(--ok-transition);
        }

        .ok-pagination .ok-page-btn:hover {
            border-color: var(--ok-primary);
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }

        .ok-pagination .ok-page-btn.ok-page-active {
            background: var(--ok-primary);
            color: #fff;
            border-color: var(--ok-primary);
            font-weight: 600;
        }

        .ok-pagination .ok-page-btn.ok-page-disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        /* Sidebar */
        .ok-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 90px;
        }

        .ok-sidebar-card {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            box-shadow: var(--ok-shadow-sm);
            padding: 22px;
            border: 1px solid var(--ok-border-light);
        }

        .ok-sidebar-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--ok-primary-soft);
        }

        .ok-hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .ok-hot-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--ok-border-light);
            font-size: 0.85rem;
        }

        .ok-hot-list li:last-child {
            border-bottom: none;
        }

        .ok-hot-list .ok-hot-rank {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            font-weight: 700;
            font-size: 0.75rem;
            border-radius: 4px;
            flex-shrink: 0;
        }

        .ok-hot-list .ok-hot-rank.ok-hot-top {
            background: var(--ok-accent-light);
            color: var(--ok-accent);
        }

        .ok-hot-list a {
            color: var(--ok-text-secondary);
            line-height: 1.5;
            transition: color var(--ok-transition);
        }

        .ok-hot-list a:hover {
            color: var(--ok-primary);
        }

        .ok-sidebar-cta {
            background: linear-gradient(135deg, var(--ok-primary) 0%, var(--ok-primary-dark) 100%);
            border-radius: var(--ok-radius-md);
            padding: 24px;
            color: #fff;
            text-align: center;
        }

        .ok-sidebar-cta h3 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .ok-sidebar-cta p {
            font-size: 0.85rem;
            opacity: 0.9;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .ok-sidebar-cta .ok-btn-light {
            display: inline-block;
            background: #fff;
            color: var(--ok-primary);
            font-weight: 600;
            font-size: 0.88rem;
            padding: 10px 22px;
            border-radius: var(--ok-radius-sm);
            transition: all var(--ok-transition);
            border: none;
        }

        .ok-sidebar-cta .ok-btn-light:hover {
            background: var(--ok-primary-soft);
            transform: translateY(-2px);
        }

        /* CTA Section */
        .ok-cta-section {
            background: linear-gradient(135deg, var(--ok-primary-soft) 0%, var(--ok-bg) 100%);
            border-radius: var(--ok-radius-lg);
            padding: 40px;
            margin: 40px 0 48px;
            text-align: center;
            border: 1px solid var(--ok-primary-light);
        }

        .ok-cta-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: 12px;
        }

        .ok-cta-section p {
            font-size: 0.95rem;
            color: var(--ok-text-secondary);
            max-width: 560px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }

        .ok-btn {
            display: inline-block;
            padding: 12px 28px;
            font-size: 0.92rem;
            font-weight: 600;
            border-radius: var(--ok-radius-sm);
            transition: all var(--ok-transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }

        .ok-btn-primary {
            background: var(--ok-primary);
            color: #fff;
        }

        .ok-btn-primary:hover {
            background: var(--ok-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--ok-shadow-md);
        }

        .ok-btn-outline {
            background: transparent;
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary);
        }

        .ok-btn-outline:hover {
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            transform: translateY(-2px);
        }

        /* Footer */
        .ok-footer {
            background: #F0F4F5;
            padding: 48px 0 0;
            margin-top: 40px;
            border-top: 1px solid var(--ok-border-light);
        }

        .ok-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--ok-border);
        }

        .ok-footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ok-primary);
            margin-bottom: 12px;
        }

        .ok-footer-desc {
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .ok-footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: 12px;
        }

        .ok-footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .ok-footer-col ul li {
            margin-bottom: 8px;
        }

        .ok-footer-col ul li a {
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            transition: color var(--ok-transition);
        }

        .ok-footer-col ul li a:hover {
            color: var(--ok-primary);
        }

        .ok-footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0 24px;
            font-size: 0.78rem;
            color: var(--ok-text-muted);
        }

        .ok-footer-bottom a {
            color: var(--ok-text-muted);
            transition: color var(--ok-transition);
        }

        .ok-footer-bottom a:hover {
            color: var(--ok-primary);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .ok-container {
                padding: 0 var(--ok-spacing-md);
            }
            .ok-cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ok-cases-layout {
                grid-template-columns: 1fr 260px;
                gap: 24px;
            }
        }

        @media (max-width: 992px) {
            .ok-cases-layout {
                grid-template-columns: 1fr;
            }
            .ok-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .ok-sidebar-card,
            .ok-sidebar-cta {
                flex: 1 1 280px;
            }
            .ok-cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ok-nav-links {
                flex-wrap: wrap;
                gap: 2px;
            }
            .ok-nav-chips {
                margin-left: 0;
            }
        }

        @media (max-width: 768px) {
            .ok-container {
                padding: 0 var(--ok-spacing-sm);
            }
            .ok-cases-grid {
                grid-template-columns: 1fr;
            }
            .ok-nav {
                flex-wrap: wrap;
            }
            .ok-nav-toggle {
                display: block;
            }
            .ok-nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0;
                gap: 2px;
            }
            .ok-nav-links.ok-nav-open {
                display: flex;
            }
            .ok-nav-links li {
                width: 100%;
            }
            .ok-nav-links li a {
                display: block;
                width: 100%;
                padding: 10px 14px;
            }
            .ok-nav-chips {
                width: 100%;
                padding: 8px 0;
                gap: 4px;
            }
            .ok-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .ok-cta-section {
                padding: 24px 18px;
            }
            .ok-page-header h1 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 576px) {
            .ok-container {
                padding: 0 var(--ok-spacing-xs);
            }
            .ok-filter-bar {
                gap: 6px;
            }
            .ok-filter-chip {
                font-size: 0.78rem;
                padding: 5px 12px;
            }
            .ok-cases-grid {
                grid-template-columns: 1fr;
            }
            .ok-page-header {
                padding: 20px 0 4px;
            }
            .ok-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
            --ok-primary: #2E7D8C;
            --ok-primary-dark: #226572;
            --ok-primary-light: #D9E8EC;
            --ok-primary-soft: #F0F6F8;
            --ok-secondary: #5BA3B8;
            --ok-accent: #C77D3F;
            --ok-accent-light: #F7EDE4;
            --ok-bg: #FAFCFD;
            --ok-card-bg: #FFFFFF;
            --ok-text-main: #1A2B33;
            --ok-text-secondary: #5C6F78;
            --ok-text-muted: #8FA0A8;
            --ok-border: #D3DFE3;
            --ok-border-light: #E4EDF0;
            --ok-shadow-sm: 0 2px 8px rgba(30, 60, 70, 0.06);
            --ok-shadow-md: 0 8px 24px rgba(30, 60, 70, 0.08);
            --ok-shadow-lg: 0 16px 40px rgba(30, 60, 70, 0.12);
            --ok-radius-sm: 6px;
            --ok-radius-md: 10px;
            --ok-radius-lg: 14px;
            --ok-radius-pill: 20px;
            --ok-font-sans: system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Inter', 'Roboto', sans-serif;
            --ok-spacing-xs: 8px;
            --ok-spacing-sm: 16px;
            --ok-spacing-md: 24px;
            --ok-spacing-lg: 40px;
            --ok-spacing-xl: 56px;
            --ok-spacing-xxl: 72px;
            --ok-spacing-xxxl: 96px;
            --ok-transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--ok-font-sans);
            background-color: var(--ok-bg);
            color: var(--ok-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--ok-transition), background-color var(--ok-transition), border-color var(--ok-transition);
        }

        a:hover {
            color: var(--ok-primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .ok-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--ok-spacing-md);
            width: 100%;
        }

        @media (min-width: 768px) {
            .ok-container {
                padding: 0 var(--ok-spacing-lg);
            }
        }

        /* Header / Nav */
        .ok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--ok-border-light);
            padding: 0;
            box-shadow: 0 1px 4px rgba(30, 60, 70, 0.04);
        }

        .ok-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 0;
            gap: 8px;
        }

        .ok-nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .ok-nav-brand .ok-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--ok-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ok-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
        }

        .ok-nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
            border-radius: 6px;
            transition: all var(--ok-transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .ok-nav-links li a:hover,
        .ok-nav-links li a:focus-visible {
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }

        .ok-nav-links li a.ok-active {
            color: var(--ok-primary);
            font-weight: 600;
            background: var(--ok-primary-soft);
        }

        .ok-nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 4px;
            flex-wrap: wrap;
        }

        .ok-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary-light);
            white-space: nowrap;
            transition: all var(--ok-transition);
        }

        .ok-chip:hover {
            background: var(--ok-primary-light);
            border-color: var(--ok-primary);
        }

        .ok-chip .ok-chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--ok-accent);
            flex-shrink: 0;
        }

        .ok-chip.ok-chip-warm .ok-chip-dot {
            background: var(--ok-accent);
        }
        .ok-chip.ok-chip-live .ok-chip-dot {
            background: #E05D4F;
        }
        .ok-chip.ok-chip-replay .ok-chip-dot {
            background: #7A8A90;
        }

        .ok-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--ok-border);
            border-radius: 6px;
            padding: 8px 14px;
            font-size: 1.3rem;
            color: var(--ok-text-main);
            cursor: pointer;
            transition: all var(--ok-transition);
            line-height: 1;
        }

        .ok-nav-toggle:hover {
            border-color: var(--ok-primary);
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }

        /* Breadcrumb */
        .ok-breadcrumb-bar {
            background: var(--ok-card-bg);
            border-bottom: 1px solid var(--ok-border-light);
            padding: 14px 0;
        }

        .ok-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--ok-text-muted);
        }

        .ok-breadcrumb a {
            color: var(--ok-text-secondary);
            font-weight: 500;
            transition: color var(--ok-transition);
        }

        .ok-breadcrumb a:hover {
            color: var(--ok-primary);
        }

        .ok-breadcrumb .ok-breadcrumb-sep {
            color: var(--ok-text-muted);
            user-select: none;
        }

        .ok-breadcrumb .ok-breadcrumb-current {
            color: var(--ok-primary);
            font-weight: 600;
        }

        /* Hero Split */
        .ok-hero-split {
            padding: var(--ok-spacing-xl) 0 var(--ok-spacing-lg);
            background: linear-gradient(180deg, var(--ok-primary-soft) 0%, var(--ok-bg) 100%);
        }

        .ok-hero-split-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--ok-spacing-lg);
            align-items: center;
        }

        @media (min-width: 992px) {
            .ok-hero-split-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--ok-spacing-xl);
            }
        }

        .ok-hero-split-text .ok-hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: var(--ok-card-bg);
            border: 1px solid var(--ok-primary-light);
            border-radius: var(--ok-radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--ok-primary);
            letter-spacing: 0.5px;
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-hero-split-text h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ok-text-main);
            line-height: 1.25;
            margin-bottom: var(--ok-spacing-sm);
            letter-spacing: 0.3px;
        }

        .ok-hero-split-text .ok-hero-desc {
            font-size: 1.05rem;
            color: var(--ok-text-secondary);
            line-height: 1.8;
            margin-bottom: var(--ok-spacing-md);
            max-width: 540px;
        }

        .ok-hero-split-text .ok-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--ok-spacing-sm);
        }

        .ok-hero-split-image {
            border-radius: var(--ok-radius-lg);
            overflow: hidden;
            box-shadow: var(--ok-shadow-lg);
            background: var(--ok-card-bg);
            position: relative;
            min-height: 280px;
        }

        .ok-hero-split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }

        .ok-hero-split-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(46, 125, 140, 0.06) 0%, rgba(46, 125, 140, 0.15) 100%);
            pointer-events: none;
        }

        /* Buttons */
        .ok-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--ok-radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--ok-transition);
            white-space: nowrap;
            text-align: center;
            min-height: 44px;
        }

        .ok-btn-primary {
            background: var(--ok-primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(46, 125, 140, 0.25);
        }

        .ok-btn-primary:hover {
            background: var(--ok-primary-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(46, 125, 140, 0.35);
            transform: translateY(-1px);
        }

        .ok-btn-primary:focus-visible {
            outline: 3px solid rgba(46, 125, 140, 0.4);
            outline-offset: 2px;
        }

        .ok-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(46, 125, 140, 0.25);
        }

        .ok-btn-outline {
            background: var(--ok-card-bg);
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary-light);
            box-shadow: none;
        }

        .ok-btn-outline:hover {
            background: var(--ok-primary-soft);
            border-color: var(--ok-primary);
            color: var(--ok-primary);
            transform: translateY(-1px);
        }

        .ok-btn-outline:focus-visible {
            outline: 3px solid rgba(46, 125, 140, 0.3);
            outline-offset: 2px;
        }

        .ok-btn-outline:active {
            transform: translateY(0);
        }

        /* Section Common */
        .ok-section {
            padding: var(--ok-spacing-xxl) 0;
        }

        .ok-section--alt {
            background: var(--ok-card-bg);
            border-top: 1px solid var(--ok-border-light);
            border-bottom: 1px solid var(--ok-border-light);
        }

        .ok-section--soft {
            background: var(--ok-primary-soft);
        }

        .ok-section-header {
            margin-bottom: var(--ok-spacing-lg);
        }

        .ok-section-header h2 {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-xs);
            letter-spacing: 0.3px;
        }

        .ok-section-header p {
            font-size: 1rem;
            color: var(--ok-text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }

        .ok-section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--ok-accent);
            background: var(--ok-accent-light);
            padding: 4px 12px;
            border-radius: var(--ok-radius-pill);
            margin-bottom: var(--ok-spacing-xs);
            letter-spacing: 0.5px;
        }

        /* Service Cards */
        .ok-service-intro {
            padding: var(--ok-spacing-lg) 0;
        }

        .ok-service-intro-text {
            font-size: 1.05rem;
            color: var(--ok-text-main);
            line-height: 1.9;
            max-width: 820px;
        }

        .ok-service-intro-text p {
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-service-intro-text strong {
            color: var(--ok-primary);
            font-weight: 600;
        }

        .ok-service-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--ok-spacing-md);
        }

        @media (min-width: 768px) {
            .ok-service-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--ok-spacing-lg);
            }
        }

        .ok-service-card {
            background: var(--ok-card-bg);
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-lg);
            padding: var(--ok-spacing-lg);
            box-shadow: var(--ok-shadow-sm);
            transition: all var(--ok-transition);
            display: flex;
            flex-direction: column;
            gap: var(--ok-spacing-sm);
            height: 100%;
        }

        .ok-service-card:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-3px);
            border-color: var(--ok-primary-light);
        }

        .ok-service-card .ok-service-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: var(--ok-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--ok-primary);
            flex-shrink: 0;
            font-weight: 700;
            border: 1px solid var(--ok-primary-light);
        }

        .ok-service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ok-text-main);
            line-height: 1.4;
        }

        .ok-service-card p {
            font-size: 0.95rem;
            color: var(--ok-text-secondary);
            line-height: 1.75;
            flex-grow: 1;
        }

        .ok-service-card .ok-service-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: var(--ok-primary-soft);
            border: 1px solid var(--ok-primary-light);
            border-radius: var(--ok-radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--ok-primary);
            width: fit-content;
        }

        .ok-service-card .ok-service-link {
            color: var(--ok-primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .ok-service-card .ok-service-link:hover {
            color: var(--ok-primary-dark);
        }

        /* Stats Strip */
        .ok-stats-strip {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--ok-spacing-md);
            margin-top: var(--ok-spacing-lg);
        }

        @media (min-width: 768px) {
            .ok-stats-strip {
                grid-template-columns: repeat(4, 1fr);
                gap: var(--ok-spacing-lg);
            }
        }

        .ok-stat-item {
            background: var(--ok-card-bg);
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-md);
            text-align: center;
            box-shadow: var(--ok-shadow-sm);
            transition: all var(--ok-transition);
        }

        .ok-stat-item:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-2px);
        }

        .ok-stat-item .ok-stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--ok-primary);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }

        .ok-stat-item .ok-stat-unit {
            font-size: 0.9rem;
            color: var(--ok-primary);
            font-weight: 600;
        }

        .ok-stat-item .ok-stat-label {
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            margin-top: 6px;
            line-height: 1.5;
        }

        /* Process Steps */
        .ok-process-steps {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--ok-spacing-md);
            margin-top: var(--ok-spacing-md);
        }

        @media (min-width: 768px) {
            .ok-process-steps {
                grid-template-columns: repeat(4, 1fr);
                gap: var(--ok-spacing-sm);
            }
        }

        .ok-process-step {
            background: var(--ok-card-bg);
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-md);
            position: relative;
            box-shadow: var(--ok-shadow-sm);
            transition: all var(--ok-transition);
        }

        .ok-process-step:hover {
            box-shadow: var(--ok-shadow-md);
            border-color: var(--ok-primary-light);
        }

        .ok-process-step .ok-step-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--ok-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--ok-spacing-xs);
        }

        .ok-process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: 4px;
        }

        .ok-process-step p {
            font-size: 0.88rem;
            color: var(--ok-text-secondary);
            line-height: 1.7;
        }

        /* FAQ */
        .ok-faq-list .accordion-item {
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-md) !important;
            margin-bottom: var(--ok-spacing-sm);
            overflow: hidden;
            background: var(--ok-card-bg);
            box-shadow: var(--ok-shadow-sm);
            transition: all var(--ok-transition);
        }

        .ok-faq-list .accordion-item:hover {
            box-shadow: var(--ok-shadow-md);
        }

        .ok-faq-list .accordion-button {
            background: var(--ok-primary-soft);
            color: var(--ok-text-main);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 24px;
            border: none;
            box-shadow: none !important;
            border-radius: 0 !important;
            line-height: 1.6;
            cursor: pointer;
            transition: all var(--ok-transition);
        }

        .ok-faq-list .accordion-button:not(.collapsed) {
            background: var(--ok-card-bg);
            color: var(--ok-primary);
        }

        .ok-faq-list .accordion-button:focus {
            outline: 3px solid rgba(46, 125, 140, 0.3);
            outline-offset: -2px;
            border: none;
        }

        .ok-faq-list .accordion-button::after {
            background-size: 1.2rem;
            width: 1.2rem;
            height: 1.2rem;
            transition: all var(--ok-transition);
            filter: none;
        }

        .ok-faq-list .accordion-button:not(.collapsed)::after {
            transform: rotate(-180deg);
        }

        .ok-faq-list .accordion-body {
            padding: 18px 24px;
            font-size: 0.92rem;
            color: var(--ok-text-secondary);
            line-height: 1.8;
        }

        /* CTA Banner */
        .ok-cta-banner {
            background: var(--ok-primary);
            border-radius: var(--ok-radius-lg);
            padding: var(--ok-spacing-xl) var(--ok-spacing-lg);
            text-align: center;
            color: #fff;
            box-shadow: var(--ok-shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .ok-cta-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .ok-cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }

        .ok-cta-banner h2 {
            font-size: 1.65rem;
            font-weight: 700;
            margin-bottom: var(--ok-spacing-xs);
            color: #fff;
            position: relative;
            z-index: 1;
        }

        .ok-cta-banner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto var(--ok-spacing-md);
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .ok-cta-banner .ok-btn-white {
            background: #fff;
            color: var(--ok-primary);
            padding: 12px 28px;
            border-radius: var(--ok-radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--ok-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 44px;
            position: relative;
            z-index: 1;
        }

        .ok-cta-banner .ok-btn-white:hover {
            background: var(--ok-primary-soft);
            color: var(--ok-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        /* Contact Form */
        .ok-form-group {
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-form-label {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--ok-text-main);
            margin-bottom: 6px;
            display: block;
        }

        .ok-form-input,
        .ok-form-select,
        .ok-form-textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--ok-border);
            border-radius: var(--ok-radius-sm);
            font-size: 0.95rem;
            color: var(--ok-text-main);
            background: var(--ok-card-bg);
            transition: all var(--ok-transition);
            min-height: 44px;
            appearance: none;
            -webkit-appearance: none;
        }

        .ok-form-input:focus,
        .ok-form-select:focus,
        .ok-form-textarea:focus {
            outline: none;
            border-color: var(--ok-primary);
            box-shadow: 0 0 0 3px rgba(46, 125, 140, 0.2);
        }

        .ok-form-textarea {
            resize: vertical;
            min-height: 120px;
        }

        /* Footer */
        .ok-footer {
            background: #F0F4F5;
            border-top: 1px solid var(--ok-border-light);
            padding: var(--ok-spacing-xl) 0 var(--ok-spacing-md);
            color: var(--ok-text-secondary);
        }

        .ok-footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--ok-spacing-lg);
            margin-bottom: var(--ok-spacing-lg);
        }

        @media (min-width: 768px) {
            .ok-footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: var(--ok-spacing-xl);
            }
        }

        .ok-footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-primary);
            margin-bottom: var(--ok-spacing-xs);
        }

        .ok-footer-desc {
            font-size: 0.9rem;
            color: var(--ok-text-secondary);
            line-height: 1.75;
            max-width: 400px;
        }

        .ok-footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-xs);
            letter-spacing: 0.5px;
        }

        .ok-footer-col ul li {
            margin-bottom: 6px;
        }

        .ok-footer-col ul li a {
            font-size: 0.88rem;
            color: var(--ok-text-secondary);
            transition: color var(--ok-transition);
            display: inline-block;
            padding: 2px 0;
        }

        .ok-footer-col ul li a:hover {
            color: var(--ok-primary);
        }

        .ok-footer-bottom {
            border-top: 1px solid var(--ok-border-light);
            padding-top: var(--ok-spacing-sm);
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            font-size: 0.82rem;
            color: var(--ok-text-muted);
        }

        .ok-footer-bottom a {
            color: var(--ok-text-secondary);
        }

        .ok-footer-bottom a:hover {
            color: var(--ok-primary);
        }

        /* Mobile Nav */
        @media (max-width: 991px) {
            .ok-nav-toggle {
                display: block;
            }

            .ok-nav-links {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 2px;
                padding: var(--ok-spacing-sm) 0 0;
                order: 10;
                flex-basis: 100%;
            }

            .ok-nav-links.ok-nav-open {
                display: flex;
            }

            .ok-nav-links li a {
                padding: 12px 16px;
                width: 100%;
                font-size: 0.95rem;
            }

            .ok-nav-chips {
                order: 11;
                flex-basis: 100%;
                padding: 8px 0 4px;
                margin-left: 0;
            }
        }

        @media (max-width: 768px) {
            .ok-hero-split-text h1 {
                font-size: 1.5rem;
            }

            .ok-hero-split-text .ok-hero-desc {
                font-size: 0.95rem;
            }

            .ok-section {
                padding: var(--ok-spacing-xl) 0;
            }

            .ok-section-header h2 {
                font-size: 1.35rem;
            }

            .ok-cta-banner {
                padding: var(--ok-spacing-lg) var(--ok-spacing-sm);
            }

            .ok-cta-banner h2 {
                font-size: 1.35rem;
            }

            .ok-stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: var(--ok-spacing-sm);
            }

            .ok-stat-item .ok-stat-number {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 576px) {
            .ok-hero-split-text h1 {
                font-size: 1.3rem;
            }

            .ok-hero-split-grid {
                gap: var(--ok-spacing-md);
            }

            .ok-hero-split-image,
            .ok-hero-split-image img {
                min-height: 200px;
            }

            .ok-section-header h2 {
                font-size: 1.25rem;
            }

            .ok-service-card {
                padding: var(--ok-spacing-md);
            }

            .ok-stats-strip {
                grid-template-columns: 1fr;
            }

            .ok-process-steps {
                grid-template-columns: 1fr;
            }

            .ok-footer-bottom {
                flex-direction: column;
                gap: 4px;
                align-items: flex-start;
            }
        }

        @media (min-width: 992px) and (max-width: 1200px) {
            .ok-service-grid {
                gap: var(--ok-spacing-md);
            }

            .ok-service-card {
                padding: var(--ok-spacing-md);
            }
        }

        /* 触控目标 */
        @media (pointer: coarse) {
            .ok-nav-links li a,
            .ok-btn,
            .ok-btn-white,
            .ok-form-input,
            .ok-form-select,
            .ok-form-textarea,
            .ok-nav-toggle {
                min-height: 44px;
            }
        }

        /* 图片占位 alt 视觉 */
        .ok-img-wrap {
            background: var(--ok-primary-soft);
            border-radius: var(--ok-radius-md);
            overflow: hidden;
            position: relative;
        }

        .ok-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

/* roulang page: category3 */
:root {
            --ok-primary: #2E7D8C;
            --ok-primary-dark: #226572;
            --ok-primary-light: #D9E8EC;
            --ok-primary-soft: #F0F6F8;
            --ok-secondary: #5BA3B8;
            --ok-accent: #C77D3F;
            --ok-accent-light: #F7EDE4;
            --ok-bg: #FAFCFD;
            --ok-card-bg: #FFFFFF;
            --ok-text-main: #1A2B33;
            --ok-text-secondary: #5C6F78;
            --ok-text-muted: #8FA0A8;
            --ok-border: #D3DFE3;
            --ok-border-light: #E4EDF0;
            --ok-shadow-sm: 0 2px 8px rgba(30, 60, 70, 0.06);
            --ok-shadow-md: 0 8px 24px rgba(30, 60, 70, 0.08);
            --ok-shadow-lg: 0 16px 40px rgba(30, 60, 70, 0.12);
            --ok-radius-sm: 6px;
            --ok-radius-md: 10px;
            --ok-radius-lg: 14px;
            --ok-radius-pill: 20px;
            --ok-font-sans: system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Inter', 'Roboto', sans-serif;
            --ok-spacing-xs: 8px;
            --ok-spacing-sm: 16px;
            --ok-spacing-md: 24px;
            --ok-spacing-lg: 40px;
            --ok-spacing-xl: 56px;
            --ok-spacing-xxl: 72px;
            --ok-spacing-xxxl: 96px;
            --ok-transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--ok-font-sans);
            background-color: var(--ok-bg);
            color: var(--ok-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--ok-transition), background var(--ok-transition), border-color var(--ok-transition), box-shadow var(--ok-transition), transform var(--ok-transition);
        }

        a:hover {
            color: var(--ok-primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .ok-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--ok-spacing-md);
        }

        @media (min-width: 768px) {
            .ok-container {
                padding: 0 var(--ok-spacing-lg);
            }
        }

        /* Header / Nav */
        .ok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--ok-border-light);
            padding: 0;
            box-shadow: 0 1px 4px rgba(30, 60, 70, 0.04);
        }

        .ok-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 0;
            gap: 8px;
        }

        .ok-nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .ok-nav-brand:hover {
            color: var(--ok-primary-dark);
        }

        .ok-nav-brand .ok-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--ok-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ok-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ok-nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
            border-radius: 6px;
            transition: all var(--ok-transition);
            white-space: nowrap;
        }

        .ok-nav-links li a:hover,
        .ok-nav-links li a:focus-visible {
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
            outline: none;
        }

        .ok-nav-links li a.ok-active {
            color: var(--ok-primary);
            font-weight: 600;
            background: var(--ok-primary-soft);
        }

        .ok-nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 4px;
            flex-wrap: wrap;
        }

        .ok-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary-light);
            white-space: nowrap;
            transition: all var(--ok-transition);
        }

        .ok-chip:hover {
            background: var(--ok-primary-light);
            border-color: var(--ok-primary);
        }

        .ok-chip .ok-chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--ok-accent);
            flex-shrink: 0;
        }

        .ok-chip.ok-chip-live .ok-chip-dot {
            background: #E05D4F;
        }

        .ok-chip.ok-chip-replay .ok-chip-dot {
            background: #7A8A90;
        }

        .ok-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--ok-border);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 1.2rem;
            cursor: pointer;
            color: var(--ok-text-main);
            transition: all var(--ok-transition);
        }

        .ok-nav-toggle:hover {
            background: var(--ok-primary-soft);
            border-color: var(--ok-primary);
        }

        /* Breadcrumb */
        .ok-breadcrumb {
            padding: 20px 0 0;
            font-size: 0.85rem;
            color: var(--ok-text-muted);
        }

        .ok-breadcrumb a {
            color: var(--ok-text-secondary);
            transition: color var(--ok-transition);
        }

        .ok-breadcrumb a:hover {
            color: var(--ok-primary);
        }

        .ok-breadcrumb .ok-breadcrumb-sep {
            margin: 0 8px;
            color: var(--ok-border);
        }

        .ok-breadcrumb .ok-breadcrumb-current {
            color: var(--ok-primary);
            font-weight: 500;
        }

        /* Page Hero */
        .ok-page-hero {
            padding: var(--ok-spacing-xl) 0 var(--ok-spacing-lg);
            background: var(--ok-bg);
        }

        .ok-page-hero h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ok-text-main);
            line-height: 1.35;
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-page-hero .ok-hero-lead {
            font-size: 1.05rem;
            color: var(--ok-text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* Data Summary Strip */
        .ok-summary-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--ok-spacing-sm);
            margin-bottom: var(--ok-spacing-lg);
        }

        .ok-summary-item {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-md);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
            text-align: center;
            transition: all var(--ok-transition);
        }

        .ok-summary-item:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-3px);
        }

        .ok-summary-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ok-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .ok-summary-unit {
            font-size: 0.9rem;
            color: var(--ok-text-muted);
            font-weight: 500;
        }

        .ok-summary-label {
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            margin-top: 6px;
        }

        /* Chart Placeholder Area */
        .ok-chart-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--ok-spacing-md);
            margin-bottom: var(--ok-spacing-lg);
        }

        .ok-chart-card {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-lg);
            padding: var(--ok-spacing-md);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
            min-height: 320px;
            display: flex;
            flex-direction: column;
        }

        .ok-chart-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ok-chart-title::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--ok-primary);
            border-radius: 2px;
        }

        .ok-chart-visual {
            flex: 1;
            background: var(--ok-primary-soft);
            border-radius: var(--ok-radius-md);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 240px;
            border: 1px dashed var(--ok-border);
        }

        .ok-chart-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            position: absolute;
            top: 0;
            left: 0;
        }

        .ok-chart-overlay {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: var(--ok-spacing-md);
            background: rgba(255, 255, 255, 0.85);
            border-radius: var(--ok-radius-md);
            box-shadow: var(--ok-shadow-sm);
        }

        .ok-chart-overlay .ok-chart-icon {
            font-size: 2rem;
            color: var(--ok-primary);
            margin-bottom: 8px;
        }

        .ok-chart-overlay p {
            font-size: 0.9rem;
            color: var(--ok-text-secondary);
            margin: 0;
        }

        .ok-chart-legend {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: var(--ok-spacing-sm);
            font-size: 0.8rem;
            color: var(--ok-text-secondary);
        }

        .ok-chart-legend span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .ok-chart-legend .ok-legend-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }

        /* Data Point List */
        .ok-data-section {
            margin-bottom: var(--ok-spacing-lg);
        }

        .ok-section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ok-section-title::before {
            content: '';
            width: 5px;
            height: 24px;
            background: var(--ok-primary);
            border-radius: 3px;
        }

        .ok-section-subtitle {
            font-size: 0.95rem;
            color: var(--ok-text-secondary);
            margin-bottom: var(--ok-spacing-md);
            max-width: 680px;
        }

        .ok-data-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--ok-spacing-sm);
        }

        .ok-data-item {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-md);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
            display: flex;
            align-items: flex-start;
            gap: var(--ok-spacing-sm);
            transition: all var(--ok-transition);
        }

        .ok-data-item:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateX(3px);
            border-color: var(--ok-primary-light);
        }

        .ok-data-badge {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: var(--ok-primary-soft);
            border-radius: var(--ok-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--ok-primary);
            font-size: 1.1rem;
            border: 1px solid var(--ok-primary-light);
        }

        .ok-data-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ok-text-main);
            margin: 0 0 4px;
        }

        .ok-data-content p {
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            margin: 0 0 4px;
            line-height: 1.6;
        }

        .ok-data-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ok-accent);
        }

        .ok-data-change {
            font-size: 0.8rem;
            padding: 2px 8px;
            border-radius: var(--ok-radius-pill);
            display: inline-block;
            margin-left: 6px;
        }

        .ok-data-change.ok-up {
            background: #E8F5E9;
            color: #2E7D32;
        }

        .ok-data-change.ok-down {
            background: #FFF3E0;
            color: #E65100;
        }

        /* Group Data Module */
        .ok-group-module {
            background: linear-gradient(135deg, var(--ok-primary-soft) 0%, #FFFFFF 60%);
            border-radius: var(--ok-radius-lg);
            padding: var(--ok-spacing-lg);
            margin-bottom: var(--ok-spacing-lg);
            border: 1px solid var(--ok-primary-light);
            box-shadow: var(--ok-shadow-md);
        }

        .ok-group-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--ok-spacing-lg);
            align-items: center;
        }

        .ok-group-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-xs);
        }

        .ok-group-info p {
            color: var(--ok-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-group-progress {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-sm) var(--ok-spacing-md);
            box-shadow: var(--ok-shadow-sm);
        }

        .ok-group-progress .ok-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            margin-bottom: 6px;
        }

        .ok-group-progress .ok-progress-label strong {
            color: var(--ok-primary);
        }

        .ok-progress-bar-custom {
            height: 8px;
            background: var(--ok-primary-light);
            border-radius: 4px;
            overflow: hidden;
        }

        .ok-progress-bar-custom .ok-progress-fill {
            height: 100%;
            background: var(--ok-primary);
            border-radius: 4px;
            transition: width 0.6s ease;
        }

        .ok-group-actions {
            display: flex;
            flex-direction: column;
            gap: var(--ok-spacing-sm);
        }

        .ok-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--ok-radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--ok-transition);
            text-align: center;
            min-height: 44px;
        }

        .ok-btn-primary {
            background: var(--ok-primary);
            color: #fff;
            box-shadow: var(--ok-shadow-sm);
        }

        .ok-btn-primary:hover {
            background: var(--ok-primary-dark);
            color: #fff;
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-2px);
        }

        .ok-btn-primary:focus-visible {
            outline: 3px solid rgba(46, 125, 140, 0.3);
            outline-offset: 2px;
        }

        .ok-btn-outline {
            background: var(--ok-card-bg);
            color: var(--ok-primary);
            border: 1.5px solid var(--ok-primary);
        }

        .ok-btn-outline:hover {
            background: var(--ok-primary-soft);
            color: var(--ok-primary-dark);
            border-color: var(--ok-primary-dark);
            transform: translateY(-2px);
        }

        .ok-btn-outline:focus-visible {
            outline: 3px solid rgba(46, 125, 140, 0.3);
            outline-offset: 2px;
        }

        /* Button Group */
        .ok-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--ok-spacing-sm);
            margin-bottom: var(--ok-spacing-lg);
        }

        /* CTA Section */
        .ok-cta-section {
            background: var(--ok-primary-soft);
            border-radius: var(--ok-radius-lg);
            padding: var(--ok-spacing-lg);
            margin-bottom: var(--ok-spacing-lg);
            border: 1px solid var(--ok-primary-light);
            text-align: center;
        }

        .ok-cta-section h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-xs);
        }

        .ok-cta-section p {
            color: var(--ok-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 560px;
            margin: 0 auto var(--ok-spacing-sm);
        }

        /* Footer */
        .ok-footer {
            background: #F0F4F5;
            border-top: 1px solid var(--ok-border-light);
            padding: var(--ok-spacing-xl) 0 var(--ok-spacing-md);
            margin-top: var(--ok-spacing-lg);
        }

        .ok-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--ok-spacing-lg);
            margin-bottom: var(--ok-spacing-lg);
        }

        .ok-footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-primary);
            margin-bottom: var(--ok-spacing-xs);
        }

        .ok-footer-desc {
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            line-height: 1.7;
            max-width: 360px;
        }

        .ok-footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-footer-col ul li {
            margin-bottom: 6px;
        }

        .ok-footer-col ul li a {
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            transition: color var(--ok-transition);
        }

        .ok-footer-col ul li a:hover {
            color: var(--ok-primary);
        }

        .ok-footer-bottom {
            border-top: 1px solid var(--ok-border-light);
            padding-top: var(--ok-spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--ok-text-muted);
        }

        .ok-footer-bottom a {
            color: var(--ok-text-secondary);
        }

        .ok-footer-bottom a:hover {
            color: var(--ok-primary);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .ok-container {
                padding: 0 var(--ok-spacing-sm);
            }
            .ok-summary-strip {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
            .ok-nav-links {
                gap: 2px;
            }
            .ok-nav-links li a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .ok-chart-grid {
                grid-template-columns: 1fr;
            }
            .ok-group-grid {
                grid-template-columns: 1fr;
            }
            .ok-data-list {
                grid-template-columns: 1fr;
            }
            .ok-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--ok-spacing-md);
            }
        }

        @media (max-width: 768px) {
            .ok-nav {
                padding: 8px 0;
            }

            .ok-nav-toggle {
                display: block;
            }

            .ok-nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: var(--ok-spacing-sm) 0;
                gap: 2px;
            }

            .ok-nav-links.ok-nav-open {
                display: flex;
            }

            .ok-nav-links li {
                width: 100%;
            }

            .ok-nav-links li a {
                display: block;
                width: 100%;
                padding: 10px 14px;
                font-size: 0.9rem;
            }

            .ok-nav-chips {
                margin-left: 0;
                padding: 4px 0 8px;
                order: 3;
                width: 100%;
            }

            .ok-page-hero {
                padding: var(--ok-spacing-lg) 0 var(--ok-spacing-md);
            }

            .ok-page-hero h1 {
                font-size: 1.6rem;
            }

            .ok-page-hero .ok-hero-lead {
                font-size: 0.95rem;
            }

            .ok-summary-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .ok-summary-number {
                font-size: 1.5rem;
            }

            .ok-chart-card {
                min-height: 260px;
                padding: var(--ok-spacing-sm);
            }

            .ok-chart-visual {
                min-height: 180px;
            }

            .ok-section-title {
                font-size: 1.25rem;
            }

            .ok-group-module {
                padding: var(--ok-spacing-md);
            }

            .ok-group-grid {
                gap: var(--ok-spacing-md);
            }

            .ok-cta-section {
                padding: var(--ok-spacing-md);
            }

            .ok-footer-grid {
                grid-template-columns: 1fr;
                gap: var(--ok-spacing-sm);
            }

            .ok-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }

            .ok-btn {
                width: 100%;
                min-height: 44px;
            }
        }

        @media (max-width: 576px) {
            html {
                font-size: 14px;
            }

            .ok-container {
                padding: 0 12px;
            }

            .ok-summary-strip {
                grid-template-columns: 1fr;
            }

            .ok-page-hero h1 {
                font-size: 1.4rem;
            }

            .ok-chart-visual {
                min-height: 150px;
            }

            .ok-data-item {
                flex-direction: column;
            }

            .ok-data-badge {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }

            .ok-breadcrumb {
                font-size: 0.75rem;
                overflow-x: auto;
                white-space: nowrap;
                -webkit-overflow-scrolling: touch;
            }

            .ok-nav-chips {
                gap: 4px;
            }

            .ok-chip {
                font-size: 0.7rem;
                padding: 3px 10px;
            }
        }

        @media (min-width: 769px) {
            .ok-nav-links {
                display: flex !important;
            }
        }

/* roulang page: category4 */
:root {
            --ok-primary: #2E7D8C;
            --ok-primary-dark: #226572;
            --ok-primary-light: #D9E8EC;
            --ok-primary-soft: #F0F6F8;
            --ok-secondary: #5BA3B8;
            --ok-accent: #C77D3F;
            --ok-accent-light: #F7EDE4;
            --ok-bg: #FAFCFD;
            --ok-card-bg: #FFFFFF;
            --ok-text-main: #1A2B33;
            --ok-text-secondary: #5C6F78;
            --ok-text-muted: #8FA0A8;
            --ok-border: #D3DFE3;
            --ok-border-light: #E4EDF0;
            --ok-shadow-sm: 0 2px 8px rgba(30, 60, 70, 0.06);
            --ok-shadow-md: 0 8px 24px rgba(30, 60, 70, 0.08);
            --ok-shadow-lg: 0 16px 40px rgba(30, 60, 70, 0.12);
            --ok-radius-sm: 6px;
            --ok-radius-md: 10px;
            --ok-radius-lg: 14px;
            --ok-radius-pill: 20px;
            --ok-font-sans: system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Inter', 'Roboto', sans-serif;
            --ok-spacing-xs: 8px;
            --ok-spacing-sm: 16px;
            --ok-spacing-md: 24px;
            --ok-spacing-lg: 40px;
            --ok-spacing-xl: 56px;
            --ok-spacing-xxl: 72px;
            --ok-spacing-xxxl: 96px;
            --ok-transition: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--ok-font-sans);
            background-color: var(--ok-bg);
            color: var(--ok-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--ok-transition);
        }
        a:hover {
            color: var(--ok-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .ok-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--ok-spacing-md);
        }
        @media (min-width: 576px) {
            .ok-container {
                padding: 0 var(--ok-spacing-lg);
            }
        }
        .ok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--ok-border-light);
            padding: 0;
            box-shadow: 0 1px 4px rgba(30, 60, 70, 0.04);
        }
        .ok-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 0;
            gap: 8px;
        }
        .ok-nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .ok-nav-brand .ok-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--ok-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
        }
        .ok-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .ok-nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
            border-radius: 6px;
            transition: all var(--ok-transition);
            white-space: nowrap;
        }
        .ok-nav-links li a:hover,
        .ok-nav-links li a:focus-visible {
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }
        .ok-nav-links li a.ok-active {
            color: var(--ok-primary);
            font-weight: 600;
            background: var(--ok-primary-soft);
        }
        .ok-nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 4px;
            flex-wrap: wrap;
        }
        .ok-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary-light);
            white-space: nowrap;
            transition: all var(--ok-transition);
        }
        .ok-chip:hover {
            background: var(--ok-primary-light);
            border-color: var(--ok-primary);
        }
        .ok-chip .ok-chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--ok-accent);
        }
        .ok-chip.ok-chip-warm .ok-chip-dot {
            background: var(--ok-accent);
        }
        .ok-chip.ok-chip-live .ok-chip-dot {
            background: #E05D4F;
        }
        .ok-chip.ok-chip-replay .ok-chip-dot {
            background: #7A8A90;
        }
        .ok-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--ok-border);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 1.2rem;
            color: var(--ok-text-main);
            cursor: pointer;
            transition: all var(--ok-transition);
        }
        .ok-nav-toggle:hover {
            background: var(--ok-primary-soft);
            border-color: var(--ok-primary);
        }
        @media (max-width: 992px) {
            .ok-nav-toggle {
                display: block;
            }
            .ok-nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px 0 4px;
            }
            .ok-nav-links.is-open {
                display: flex;
            }
            .ok-nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .ok-nav-chips {
                display: none;
                width: 100%;
                padding: 8px 0 4px;
                gap: 8px;
            }
            .ok-nav-chips.is-open {
                display: flex;
            }
        }
        .ok-page-breadcrumb {
            padding: 20px 0 8px;
            font-size: 0.85rem;
            color: var(--ok-text-muted);
        }
        .ok-page-breadcrumb a {
            color: var(--ok-text-secondary);
        }
        .ok-page-breadcrumb a:hover {
            color: var(--ok-primary);
        }
        .ok-page-breadcrumb .ok-sep {
            margin: 0 6px;
            color: var(--ok-border);
        }
        .ok-page-title {
            padding: 16px 0 8px;
        }
        .ok-page-title h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .ok-page-title .ok-title-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
            border: 1px solid var(--ok-primary-light);
            border-radius: var(--ok-radius-pill);
            margin-bottom: 8px;
        }
        .ok-page-title .ok-title-desc {
            font-size: 1rem;
            color: var(--ok-text-secondary);
            max-width: 760px;
            line-height: 1.8;
        }
        .ok-news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            padding: 24px 0 40px;
        }
        @media (max-width: 992px) {
            .ok-news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .ok-news-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .ok-news-item {
            display: grid;
            grid-template-columns: 280px 1fr;
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            box-shadow: var(--ok-shadow-sm);
            overflow: hidden;
            border: 1px solid var(--ok-border-light);
            transition: box-shadow var(--ok-transition), transform var(--ok-transition);
        }
        .ok-news-item:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-2px);
        }
        .ok-news-thumb {
            min-height: 100%;
            background: var(--ok-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .ok-news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 180px;
        }
        .ok-news-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            justify-content: center;
        }
        .ok-news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--ok-text-muted);
            flex-wrap: wrap;
        }
        .ok-news-meta .ok-tag {
            display: inline-block;
            padding: 2px 10px;
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary-light);
        }
        .ok-news-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0;
            line-height: 1.5;
        }
        .ok-news-title a:hover {
            color: var(--ok-primary);
        }
        .ok-news-summary {
            font-size: 0.92rem;
            color: var(--ok-text-secondary);
            line-height: 1.8;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .ok-news-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--ok-primary);
            align-self: flex-start;
        }
        .ok-news-link:hover {
            color: var(--ok-primary-dark);
        }
        @media (max-width: 768px) {
            .ok-news-item {
                grid-template-columns: 1fr;
            }
            .ok-news-thumb img {
                min-height: 200px;
                max-height: 240px;
            }
        }
        .ok-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .ok-sidebar-card {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
            padding: 20px 24px;
        }
        .ok-sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--ok-primary-light);
        }
        .ok-sidebar-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .ok-sidebar-list li a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--ok-text-secondary);
            line-height: 1.6;
            padding: 8px 10px;
            border-radius: 6px;
            transition: all var(--ok-transition);
        }
        .ok-sidebar-list li a:hover {
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
        }
        .ok-sidebar-list .ok-rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--ok-primary-light);
            color: var(--ok-primary);
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .ok-sidebar-list li:first-child .ok-rank-num {
            background: var(--ok-accent-light);
            color: var(--ok-accent);
        }
        .ok-sidebar-cta {
            background: linear-gradient(135deg, var(--ok-primary) 0%, var(--ok-primary-dark) 100%);
            color: #fff;
            border-radius: var(--ok-radius-md);
            box-shadow: var(--ok-shadow-md);
            padding: 24px;
            text-align: left;
        }
        .ok-sidebar-cta h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: #fff;
        }
        .ok-sidebar-cta p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 16px;
            line-height: 1.7;
        }
        .ok-pagination {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 16px 0 0;
            flex-wrap: wrap;
        }
        .ok-pagination .ok-page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: 6px;
            border: 1px solid var(--ok-border);
            background: var(--ok-card-bg);
            color: var(--ok-text-secondary);
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--ok-transition);
        }
        .ok-pagination .ok-page-btn:hover {
            border-color: var(--ok-primary);
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }
        .ok-pagination .ok-page-btn.ok-active-page {
            background: var(--ok-primary);
            color: #fff;
            border-color: var(--ok-primary);
            font-weight: 700;
        }
        .ok-pagination .ok-page-btn.ok-disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }
        .ok-news-cta {
            background: var(--ok-primary-soft);
            border: 1px solid var(--ok-primary-light);
            border-radius: var(--ok-radius-lg);
            padding: 36px 32px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }
        .ok-news-cta h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0;
        }
        .ok-news-cta p {
            font-size: 0.95rem;
            color: var(--ok-text-secondary);
            margin: 0;
            max-width: 560px;
            line-height: 1.8;
        }
        .ok-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--ok-transition);
            white-space: nowrap;
        }
        .ok-btn-primary {
            background: var(--ok-primary);
            color: #fff;
        }
        .ok-btn-primary:hover {
            background: var(--ok-primary-dark);
            color: #fff;
        }
        .ok-btn-primary:focus-visible {
            outline: 3px solid rgba(46, 125, 140, 0.35);
            outline-offset: 2px;
        }
        .ok-btn-outline {
            background: transparent;
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary);
        }
        .ok-btn-outline:hover {
            background: var(--ok-primary-light);
            color: var(--ok-primary-dark);
        }
        .ok-btn-outline:focus-visible {
            outline: 3px solid rgba(46, 125, 140, 0.35);
            outline-offset: 2px;
        }
        .ok-footer {
            background: #F0F4F5;
            border-top: 1px solid var(--ok-border-light);
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .ok-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--ok-border-light);
        }
        @media (max-width: 992px) {
            .ok-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 576px) {
            .ok-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .ok-footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--ok-primary);
            margin-bottom: 12px;
        }
        .ok-footer-desc {
            font-size: 0.9rem;
            color: var(--ok-text-secondary);
            line-height: 1.8;
            max-width: 460px;
        }
        .ok-footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 12px;
        }
        .ok-footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .ok-footer-col ul li a {
            font-size: 0.88rem;
            color: var(--ok-text-secondary);
            transition: color var(--ok-transition);
        }
        .ok-footer-col ul li a:hover {
            color: var(--ok-primary);
        }
        .ok-footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            font-size: 0.8rem;
            color: var(--ok-text-muted);
        }
        .ok-footer-bottom a {
            color: var(--ok-text-secondary);
        }
        .ok-footer-bottom a:hover {
            color: var(--ok-primary);
        }
        @media (max-width: 576px) {
            .ok-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category5 */
:root {
            --ok-primary: #2E7D8C;
            --ok-primary-dark: #226572;
            --ok-primary-light: #D9E8EC;
            --ok-primary-soft: #F0F6F8;
            --ok-secondary: #5BA3B8;
            --ok-accent: #C77D3F;
            --ok-accent-light: #F7EDE4;
            --ok-bg: #FAFCFD;
            --ok-card-bg: #FFFFFF;
            --ok-text-main: #1A2B33;
            --ok-text-secondary: #5C6F78;
            --ok-text-muted: #8FA0A8;
            --ok-border: #D3DFE3;
            --ok-border-light: #E4EDF0;
            --ok-shadow-sm: 0 2px 8px rgba(30, 60, 70, 0.06);
            --ok-shadow-md: 0 8px 24px rgba(30, 60, 70, 0.08);
            --ok-shadow-lg: 0 16px 40px rgba(30, 60, 70, 0.12);
            --ok-radius-sm: 6px;
            --ok-radius-md: 10px;
            --ok-radius-lg: 14px;
            --ok-radius-pill: 20px;
            --ok-font-sans: system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Inter', 'Roboto', sans-serif;
            --ok-spacing-xs: 8px;
            --ok-spacing-sm: 16px;
            --ok-spacing-md: 24px;
            --ok-spacing-lg: 40px;
            --ok-spacing-xl: 56px;
            --ok-spacing-xxl: 72px;
            --ok-spacing-xxxl: 96px;
            --ok-transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--ok-font-sans);
            background-color: var(--ok-bg);
            color: var(--ok-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--ok-transition);
        }

        a:hover {
            color: var(--ok-primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .ok-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--ok-spacing-md);
        }

        @media (min-width: 768px) {
            .ok-container {
                padding: 0 var(--ok-spacing-lg);
            }
        }

        /* 页头导航 */
        .ok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--ok-border-light);
            padding: 0;
            box-shadow: 0 1px 4px rgba(30, 60, 70, 0.04);
        }

        .ok-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 0;
            gap: 8px;
        }

        .ok-nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .ok-nav-brand .ok-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--ok-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ok-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ok-nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
            border-radius: 6px;
            transition: all var(--ok-transition);
            white-space: nowrap;
        }

        .ok-nav-links li a:hover,
        .ok-nav-links li a:focus-visible {
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
            outline: none;
        }

        .ok-nav-links li a.ok-active {
            color: var(--ok-primary);
            font-weight: 600;
            background: var(--ok-primary-soft);
        }

        .ok-nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 4px;
            flex-wrap: wrap;
        }

        .ok-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary-light);
            white-space: nowrap;
            transition: all var(--ok-transition);
        }

        .ok-chip:hover {
            background: var(--ok-primary-light);
            border-color: var(--ok-primary);
        }

        .ok-chip .ok-chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--ok-accent);
        }

        .ok-chip.ok-chip-warm .ok-chip-dot {
            background: var(--ok-accent);
        }

        .ok-chip.ok-chip-live .ok-chip-dot {
            background: #E05D4F;
        }

        .ok-chip.ok-chip-replay .ok-chip-dot {
            background: #7A8A90;
        }

        .ok-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--ok-border);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 1.2rem;
            color: var(--ok-text-main);
            cursor: pointer;
            transition: all var(--ok-transition);
        }

        .ok-nav-toggle:hover {
            background: var(--ok-primary-soft);
            border-color: var(--ok-primary);
        }

        /* 面包屑 */
        .ok-breadcrumb-wrap {
            padding: 24px 0 8px;
        }

        .ok-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--ok-text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ok-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ok-breadcrumb li + li::before {
            content: "/";
            color: var(--ok-text-muted);
            font-size: 0.8rem;
        }

        .ok-breadcrumb a {
            color: var(--ok-text-secondary);
            transition: color var(--ok-transition);
        }

        .ok-breadcrumb a:hover {
            color: var(--ok-primary);
        }

        .ok-breadcrumb li:last-child {
            color: var(--ok-primary);
            font-weight: 500;
        }

        /* 页头区域 */
        .ok-page-hero {
            padding: 32px 0 48px;
            background: var(--ok-bg);
            position: relative;
            overflow: hidden;
        }

        .ok-page-hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, var(--ok-primary-light) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }

        .ok-page-hero-inner {
            position: relative;
            z-index: 1;
        }

        .ok-page-hero h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 16px;
            line-height: 1.4;
            letter-spacing: -0.02em;
        }

        .ok-page-hero .ok-lead {
            font-size: 1.08rem;
            color: var(--ok-text-secondary);
            max-width: 780px;
            margin: 0 0 24px;
            line-height: 1.8;
        }

        .ok-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .ok-hero-meta .ok-chip {
            font-size: 0.8rem;
        }

        /* 主体区域 */
        .ok-main {
            padding: 0 0 var(--ok-spacing-xxl);
        }

        .ok-section {
            margin-bottom: var(--ok-spacing-xxl);
        }

        @media (max-width: 768px) {
            .ok-section {
                margin-bottom: var(--ok-spacing-xl);
            }
        }

        /* 流程步骤 - 垂直时间线 */
        .ok-timeline-section {
            padding: 0 0 24px;
        }

        .ok-timeline-header {
            margin-bottom: 40px;
        }

        .ok-timeline-header h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

        .ok-timeline-header p {
            font-size: 1rem;
            color: var(--ok-text-secondary);
            max-width: 720px;
            margin: 0;
            line-height: 1.8;
        }

        .ok-timeline {
            position: relative;
            padding-left: 32px;
            list-style: none;
            margin: 0;
        }

        .ok-timeline::before {
            content: "";
            position: absolute;
            left: 11px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--ok-primary-light);
            border-radius: 1px;
        }

        .ok-timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding: 24px 24px 24px 28px;
            background: var(--ok-card-bg);
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-md);
            box-shadow: var(--ok-shadow-sm);
            transition: box-shadow var(--ok-transition), transform var(--ok-transition);
        }

        .ok-timeline-item:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-2px);
        }

        .ok-timeline-item::before {
            content: attr(data-step);
            position: absolute;
            left: -32px;
            top: 24px;
            width: 24px;
            height: 24px;
            background: var(--ok-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 0 4px var(--ok-primary-soft);
            z-index: 1;
        }

        .ok-timeline-item:last-child {
            margin-bottom: 0;
        }

        .ok-step-number {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ok-primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .ok-step-number .ok-step-label {
            color: var(--ok-text-muted);
            font-weight: 400;
            font-size: 0.78rem;
        }

        .ok-step-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 12px;
            line-height: 1.5;
        }

        .ok-step-desc {
            font-size: 0.95rem;
            color: var(--ok-text-secondary);
            line-height: 1.8;
            margin: 0 0 16px;
        }

        .ok-step-points {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .ok-step-points li {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--ok-text-secondary);
            background: var(--ok-primary-soft);
            padding: 6px 12px;
            border-radius: var(--ok-radius-pill);
            border: 1px solid var(--ok-primary-light);
        }

        .ok-step-points li::before {
            content: "✓";
            color: var(--ok-primary);
            font-weight: 700;
            font-size: 0.75rem;
        }

        /* 流程要点面板 */
        .ok-process-summary {
            background: var(--ok-primary-soft);
            border: 1px solid var(--ok-primary-light);
            border-radius: var(--ok-radius-md);
            padding: 24px;
            margin-top: 40px;
        }

        .ok-process-summary h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 16px;
        }

        .ok-process-summary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
        }

        .ok-summary-item {
            background: #fff;
            border-radius: var(--ok-radius-sm);
            padding: 16px;
            border: 1px solid var(--ok-border-light);
        }

        .ok-summary-item .ok-summary-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ok-primary);
            line-height: 1.2;
        }

        .ok-summary-item .ok-summary-label {
            font-size: 0.82rem;
            color: var(--ok-text-secondary);
            margin-top: 4px;
        }

        /* CTA 表单区 */
        .ok-cta-section {
            background: var(--ok-primary-soft);
            border: 1px solid var(--ok-primary-light);
            border-radius: var(--ok-radius-lg);
            padding: 40px 32px;
            margin-top: 0;
        }

        .ok-cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        @media (max-width: 768px) {
            .ok-cta-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .ok-cta-info h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .ok-cta-info p {
            font-size: 0.98rem;
            color: var(--ok-text-secondary);
            line-height: 1.8;
            margin: 0 0 20px;
        }

        .ok-cta-info .ok-cta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .ok-cta-info .ok-cta-tags span {
            font-size: 0.8rem;
            color: var(--ok-primary);
            background: #fff;
            border: 1px solid var(--ok-primary-light);
            border-radius: var(--ok-radius-pill);
            padding: 6px 12px;
        }

        .ok-form-card {
            background: #fff;
            border-radius: var(--ok-radius-md);
            padding: 28px;
            box-shadow: var(--ok-shadow-md);
            border: 1px solid var(--ok-border-light);
        }

        .ok-form-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 20px;
        }

        .ok-form-group {
            margin-bottom: 16px;
        }

        .ok-form-group label {
            display: block;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
            margin-bottom: 6px;
        }

        .ok-form-group input,
        .ok-form-group select,
        .ok-form-group textarea {
            width: 100%;
            padding: 10px 14px;
            font-size: 0.95rem;
            border: 1px solid var(--ok-border);
            border-radius: var(--ok-radius-sm);
            background: #fff;
            color: var(--ok-text-main);
            transition: border-color var(--ok-transition), box-shadow var(--ok-transition);
            outline: none;
        }

        .ok-form-group input:focus,
        .ok-form-group select:focus,
        .ok-form-group textarea:focus {
            border-color: var(--ok-primary);
            box-shadow: 0 0 0 3px rgba(46, 125, 140, 0.15);
        }

        .ok-form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .ok-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--ok-radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--ok-transition);
            text-align: center;
            text-decoration: none;
            letter-spacing: 0.2px;
        }

        .ok-btn-primary {
            background: var(--ok-primary);
            color: #fff;
            border: 1px solid var(--ok-primary);
        }

        .ok-btn-primary:hover,
        .ok-btn-primary:focus-visible {
            background: var(--ok-primary-dark);
            border-color: var(--ok-primary-dark);
            color: #fff;
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 125, 140, 0.2);
        }

        .ok-btn-outline {
            background: #fff;
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary);
        }

        .ok-btn-outline:hover,
        .ok-btn-outline:focus-visible {
            background: var(--ok-primary-soft);
            border-color: var(--ok-primary);
            color: var(--ok-primary-dark);
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 125, 140, 0.12);
        }

        .ok-btn-block {
            width: 100%;
            display: flex;
        }

        /* 页脚 */
        .ok-footer {
            background: #F0F4F5;
            border-top: 1px solid var(--ok-border-light);
            padding: 48px 0 24px;
            color: var(--ok-text-secondary);
        }

        .ok-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        @media (max-width: 992px) {
            .ok-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 576px) {
            .ok-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .ok-footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--ok-primary);
            margin-bottom: 12px;
        }

        .ok-footer-desc {
            font-size: 0.9rem;
            color: var(--ok-text-secondary);
            line-height: 1.8;
            margin: 0 0 16px;
            max-width: 480px;
        }

        .ok-footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 16px;
        }

        .ok-footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ok-footer-col ul li {
            margin-bottom: 10px;
        }

        .ok-footer-col ul li a {
            font-size: 0.88rem;
            color: var(--ok-text-secondary);
            transition: color var(--ok-transition);
        }

        .ok-footer-col ul li a:hover {
            color: var(--ok-primary);
        }

        .ok-footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid var(--ok-border-light);
            font-size: 0.8rem;
            color: var(--ok-text-muted);
        }

        .ok-footer-bottom a {
            color: var(--ok-text-muted);
            transition: color var(--ok-transition);
        }

        .ok-footer-bottom a:hover {
            color: var(--ok-primary);
        }

        /* 响应式 */
        @media (max-width: 1200px) {
            .ok-container {
                max-width: 100%;
            }
        }

        @media (max-width: 992px) {
            .ok-nav {
                gap: 12px;
            }

            .ok-nav-links {
                order: 3;
                width: 100%;
                gap: 2px;
            }

            .ok-nav-links li a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }

            .ok-nav-chips {
                margin-left: 0;
            }

            .ok-timeline {
                padding-left: 28px;
            }

            .ok-timeline-item {
                padding: 20px 16px 20px 20px;
            }

            .ok-timeline-item::before {
                left: -28px;
                width: 22px;
                height: 22px;
                font-size: 0.7rem;
                top: 20px;
            }

            .ok-cta-section {
                padding: 32px 24px;
            }
        }

        @media (max-width: 768px) {
            .ok-nav-toggle {
                display: block;
            }

            .ok-nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding-top: 8px;
            }

            .ok-nav-links.ok-open {
                display: flex;
            }

            .ok-nav-links li a {
                display: block;
                padding: 10px 12px;
                font-size: 0.9rem;
            }

            .ok-nav-chips {
                display: flex;
                width: 100%;
                padding-top: 4px;
                justify-content: flex-start;
            }

            .ok-page-hero h1 {
                font-size: 1.6rem;
            }

            .ok-page-hero .ok-lead {
                font-size: 1rem;
            }

            .ok-timeline {
                padding-left: 24px;
            }

            .ok-timeline::before {
                left: 7px;
            }

            .ok-timeline-item {
                padding: 16px 14px 16px 16px;
            }

            .ok-timeline-item::before {
                left: -24px;
                width: 18px;
                height: 18px;
                font-size: 0.65rem;
                top: 18px;
                box-shadow: 0 0 0 3px var(--ok-primary-soft);
            }

            .ok-step-title {
                font-size: 1.05rem;
            }

            .ok-cta-section {
                padding: 24px 16px;
                border-radius: var(--ok-radius-md);
            }

            .ok-form-card {
                padding: 20px 16px;
            }

            .ok-btn {
                padding: 11px 18px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 576px) {
            .ok-page-hero {
                padding: 24px 0 32px;
            }

            .ok-page-hero h1 {
                font-size: 1.4rem;
            }

            .ok-timeline-header h2 {
                font-size: 1.3rem;
            }

            .ok-timeline {
                padding-left: 20px;
            }

            .ok-timeline::before {
                left: 6px;
            }

            .ok-timeline-item {
                padding: 14px 12px;
                margin-bottom: 24px;
            }

            .ok-timeline-item::before {
                left: -20px;
                width: 20px;
                height: 20px;
                font-size: 0.65rem;
                top: 14px;
                box-shadow: 0 0 0 3px var(--ok-primary-soft);
            }

            .ok-step-points li {
                font-size: 0.75rem;
                padding: 5px 10px;
            }

            .ok-cta-info h2 {
                font-size: 1.25rem;
            }

            .ok-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* 无障碍 */
        :focus-visible {
            outline: 2px solid var(--ok-primary);
            outline-offset: 2px;
        }

/* roulang page: category6 */
:root {
            --ok-primary: #2E7D8C;
            --ok-primary-dark: #226572;
            --ok-primary-light: #D9E8EC;
            --ok-primary-soft: #F0F6F8;
            --ok-secondary: #5BA3B8;
            --ok-accent: #C77D3F;
            --ok-accent-light: #F7EDE4;
            --ok-bg: #FAFCFD;
            --ok-card-bg: #FFFFFF;
            --ok-text-main: #1A2B33;
            --ok-text-secondary: #5C6F78;
            --ok-text-muted: #8FA0A8;
            --ok-border: #D3DFE3;
            --ok-border-light: #E4EDF0;
            --ok-shadow-sm: 0 2px 8px rgba(30, 60, 70, 0.06);
            --ok-shadow-md: 0 8px 24px rgba(30, 60, 70, 0.08);
            --ok-shadow-lg: 0 16px 40px rgba(30, 60, 70, 0.12);
            --ok-radius-sm: 6px;
            --ok-radius-md: 10px;
            --ok-radius-lg: 14px;
            --ok-radius-pill: 20px;
            --ok-font-sans: system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Inter', 'Roboto', sans-serif;
            --ok-spacing-xs: 8px;
            --ok-spacing-sm: 16px;
            --ok-spacing-md: 24px;
            --ok-spacing-lg: 40px;
            --ok-spacing-xl: 56px;
            --ok-spacing-xxl: 72px;
            --ok-spacing-xxxl: 96px;
            --ok-transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--ok-font-sans);
            background-color: var(--ok-bg);
            color: var(--ok-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--ok-transition);
        }

        a:hover {
            color: var(--ok-primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 3px solid rgba(46, 125, 140, 0.35);
            outline-offset: 2px;
            border-radius: var(--ok-radius-sm);
        }

        .ok-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--ok-spacing-lg);
        }

        .ok-skip-link {
            position: absolute;
            top: -100%;
            left: 0;
            background: var(--ok-primary);
            color: #fff;
            padding: 10px 20px;
            z-index: 2000;
            border-radius: 0 0 6px 0;
            transition: top 0.3s;
        }

        .ok-skip-link:focus {
            top: 0;
            color: #fff;
        }

        /* Header / Nav */
        .ok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--ok-border-light);
            padding: 0;
            box-shadow: 0 1px 4px rgba(30, 60, 70, 0.04);
        }

        .ok-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 0;
            gap: 8px;
        }

        .ok-nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--ok-transition);
        }

        .ok-nav-brand:hover {
            color: var(--ok-primary-dark);
        }

        .ok-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--ok-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ok-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ok-nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
            border-radius: 6px;
            transition: all var(--ok-transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .ok-nav-links li a:hover,
        .ok-nav-links li a:focus-visible {
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }

        .ok-nav-links li a.ok-active {
            color: var(--ok-primary);
            font-weight: 600;
            background: var(--ok-primary-soft);
            position: relative;
        }

        .ok-nav-links li a.ok-active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--ok-primary);
            border-radius: 2px;
        }

        .ok-nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 4px;
            flex-wrap: wrap;
        }

        .ok-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary-light);
            white-space: nowrap;
            transition: all var(--ok-transition);
            cursor: default;
        }

        .ok-chip:hover {
            background: var(--ok-primary-light);
            border-color: var(--ok-primary);
        }

        .ok-chip .ok-chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--ok-accent);
            flex-shrink: 0;
        }

        .ok-chip.ok-chip-warm .ok-chip-dot {
            background: var(--ok-accent);
        }

        .ok-chip.ok-chip-live .ok-chip-dot {
            background: #E05D4F;
        }

        .ok-chip.ok-chip-replay .ok-chip-dot {
            background: #7A8A90;
        }

        .ok-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--ok-border);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 1.2rem;
            color: var(--ok-text-main);
            cursor: pointer;
            transition: all var(--ok-transition);
            line-height: 1;
        }

        .ok-nav-toggle:hover {
            background: var(--ok-primary-soft);
            border-color: var(--ok-primary);
            color: var(--ok-primary);
        }

        /* Breadcrumb */
        .ok-breadcrumb-section {
            padding: var(--ok-spacing-md) 0 var(--ok-spacing-xs);
            background: transparent;
        }

        .ok-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--ok-text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .ok-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .ok-breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--ok-text-muted);
            font-size: 0.8rem;
            margin-left: 2px;
        }

        .ok-breadcrumb a {
            color: var(--ok-text-secondary);
            transition: color var(--ok-transition);
        }

        .ok-breadcrumb a:hover {
            color: var(--ok-primary);
        }

        .ok-breadcrumb .ok-breadcrumb-current {
            color: var(--ok-primary);
            font-weight: 500;
        }

        /* Page Hero / Title */
        .ok-page-hero {
            padding: var(--ok-spacing-lg) 0 var(--ok-spacing-md);
            background: transparent;
        }

        .ok-page-hero-inner {
            display: flex;
            flex-direction: column;
            gap: var(--ok-spacing-sm);
            max-width: 820px;
        }

        .ok-page-kicker {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
            border: 1px solid var(--ok-primary-light);
            border-radius: var(--ok-radius-pill);
            padding: 5px 14px;
            width: fit-content;
            letter-spacing: 0.5px;
        }

        .ok-page-kicker .ok-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--ok-accent);
        }

        .ok-page-hero h1 {
            font-size: 2.15rem;
            font-weight: 700;
            color: var(--ok-text-main);
            line-height: 1.3;
            margin: 0;
            letter-spacing: -0.02em;
        }

        .ok-page-hero .ok-page-lead {
            font-size: 1.05rem;
            color: var(--ok-text-secondary);
            line-height: 1.8;
            margin: 0;
            max-width: 760px;
        }

        /* Search & Filter Section */
        .ok-search-section {
            padding: var(--ok-spacing-sm) 0 var(--ok-spacing-md);
            background: transparent;
        }

        .ok-search-wrapper {
            background: var(--ok-card-bg);
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-lg);
            box-shadow: var(--ok-shadow-sm);
            padding: var(--ok-spacing-md);
            transition: box-shadow var(--ok-transition);
        }

        .ok-search-wrapper:hover {
            box-shadow: var(--ok-shadow-md);
        }

        .ok-search-form {
            display: flex;
            flex-direction: column;
            gap: var(--ok-spacing-sm);
        }

        .ok-search-row {
            display: flex;
            gap: var(--ok-spacing-sm);
            flex-wrap: wrap;
            align-items: center;
        }

        .ok-search-input-group {
            flex: 1;
            min-width: 240px;
            position: relative;
        }

        .ok-search-input-group .ok-search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--ok-text-muted);
            font-size: 0.95rem;
            pointer-events: none;
        }

        .ok-search-input-group input {
            width: 100%;
            padding: 12px 16px 12px 40px;
            border: 1px solid var(--ok-border);
            border-radius: var(--ok-radius-sm);
            background: var(--ok-bg);
            color: var(--ok-text-main);
            font-size: 0.95rem;
            transition: all var(--ok-transition);
        }

        .ok-search-input-group input::placeholder {
            color: var(--ok-text-muted);
        }

        .ok-search-input-group input:focus {
            border-color: var(--ok-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 125, 140, 0.15);
            background: #fff;
        }

        .ok-search-btn {
            padding: 12px 28px;
            background: var(--ok-primary);
            color: #fff;
            border: none;
            border-radius: var(--ok-radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--ok-transition);
            letter-spacing: 0.3px;
        }

        .ok-search-btn:hover {
            background: var(--ok-primary-dark);
            box-shadow: var(--ok-shadow-sm);
        }

        .ok-search-btn:active {
            transform: translateY(1px);
        }

        .ok-filter-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .ok-filter-label {
            font-size: 0.82rem;
            color: var(--ok-text-muted);
            font-weight: 500;
            margin-right: 4px;
        }

        .ok-filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 16px;
            font-size: 0.82rem;
            font-weight: 500;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-bg);
            color: var(--ok-text-secondary);
            border: 1px solid var(--ok-border);
            cursor: pointer;
            transition: all var(--ok-transition);
            user-select: none;
        }

        .ok-filter-chip:hover {
            border-color: var(--ok-primary);
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }

        .ok-filter-chip.ok-filter-active {
            background: var(--ok-primary);
            color: #fff;
            border-color: var(--ok-primary);
            font-weight: 600;
        }

        /* Directory Cards Grid */
        .ok-directory-section {
            padding: var(--ok-spacing-sm) 0 var(--ok-spacing-lg);
        }

        .ok-directory-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--ok-spacing-md);
            margin-top: var(--ok-spacing-sm);
        }

        .ok-dir-card {
            background: var(--ok-card-bg);
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-md);
            box-shadow: var(--ok-shadow-sm);
            padding: var(--ok-spacing-md);
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: all var(--ok-transition);
            position: relative;
            overflow: hidden;
        }

        .ok-dir-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--ok-primary-light);
            transition: background var(--ok-transition);
        }

        .ok-dir-card:hover {
            box-shadow: var(--ok-shadow-md);
            transform: translateY(-3px);
            border-color: var(--ok-primary-light);
        }

        .ok-dir-card:hover::before {
            background: var(--ok-primary);
        }

        .ok-dir-card:hover .ok-dir-arrow {
            color: var(--ok-primary);
            transform: translateX(4px);
        }

        .ok-dir-card-top {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .ok-dir-icon {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: var(--ok-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--ok-primary);
            flex-shrink: 0;
            transition: all var(--ok-transition);
        }

        .ok-dir-card:hover .ok-dir-icon {
            background: var(--ok-primary);
            color: #fff;
        }

        .ok-dir-card-info h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0;
            line-height: 1.4;
        }

        .ok-dir-card-info .ok-dir-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
            border: 1px solid var(--ok-primary-light);
            border-radius: var(--ok-radius-pill);
            padding: 2px 10px;
            margin-top: 4px;
        }

        .ok-dir-card-desc {
            font-size: 0.88rem;
            color: var(--ok-text-secondary);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .ok-dir-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--ok-text-muted);
            padding-top: 8px;
            border-top: 1px solid var(--ok-border-light);
        }

        .ok-dir-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .ok-dir-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ok-primary);
            transition: all var(--ok-transition);
            margin-top: 6px;
            cursor: pointer;
        }

        .ok-dir-arrow {
            font-size: 0.9rem;
            transition: transform var(--ok-transition);
        }

        /* Directory Featured Card with Image */
        .ok-dir-card.ok-dir-card-featured {
            grid-column: span 1;
            padding: 0;
            overflow: hidden;
        }

        .ok-dir-featured-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .ok-dir-featured-img::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(26, 43, 51, 0.08) 0%, rgba(26, 43, 51, 0.25) 100%);
        }

        .ok-dir-featured-body {
            padding: var(--ok-spacing-md);
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        /* Pagination */
        .ok-pagination-section {
            padding: var(--ok-spacing-sm) 0 var(--ok-spacing-lg);
            display: flex;
            justify-content: center;
        }

        .ok-pagination {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .ok-page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border: 1px solid var(--ok-border);
            border-radius: var(--ok-radius-sm);
            background: var(--ok-card-bg);
            color: var(--ok-text-secondary);
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--ok-transition);
            user-select: none;
        }

        .ok-page-btn:hover {
            border-color: var(--ok-primary);
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }

        .ok-page-btn.ok-page-active {
            background: var(--ok-primary);
            color: #fff;
            border-color: var(--ok-primary);
            font-weight: 600;
        }

        .ok-page-btn.ok-page-disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        .ok-page-ellipsis {
            font-size: 0.88rem;
            color: var(--ok-text-muted);
            padding: 0 6px;
        }

        /* Brand Intro */
        .ok-brand-intro-section {
            padding: var(--ok-spacing-lg) 0;
            background: var(--ok-primary-soft);
            border-top: 1px solid var(--ok-border-light);
            border-bottom: 1px solid var(--ok-border-light);
        }

        .ok-brand-intro-card {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-lg);
            box-shadow: var(--ok-shadow-sm);
            padding: var(--ok-spacing-lg);
            border: 1px solid var(--ok-border-light);
            transition: box-shadow var(--ok-transition);
        }

        .ok-brand-intro-card:hover {
            box-shadow: var(--ok-shadow-md);
        }

        .ok-brand-intro-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-brand-intro-card p {
            font-size: 0.95rem;
            color: var(--ok-text-secondary);
            line-height: 1.9;
            margin-bottom: var(--ok-spacing-sm);
        }

        .ok-brand-intro-card p:last-child {
            margin-bottom: 0;
        }

        /* CTA Banner */
        .ok-cta-section {
            padding: var(--ok-spacing-lg) 0 var(--ok-spacing-xl);
        }

        .ok-cta-banner {
            background: linear-gradient(135deg, var(--ok-primary) 0%, var(--ok-primary-dark) 100%);
            border-radius: var(--ok-radius-lg);
            box-shadow: var(--ok-shadow-md);
            padding: var(--ok-spacing-lg) var(--ok-spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--ok-spacing-md);
        }

        .ok-cta-banner-text h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }

        .ok-cta-banner-text p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.88);
            margin: 0;
            line-height: 1.7;
            max-width: 540px;
        }

        .ok-cta-btn-group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .ok-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--ok-radius-sm);
            cursor: pointer;
            transition: all var(--ok-transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
            border: none;
            text-align: center;
        }

        .ok-btn-primary {
            background: var(--ok-primary);
            color: #fff;
        }

        .ok-btn-primary:hover {
            background: var(--ok-primary-dark);
            box-shadow: var(--ok-shadow-sm);
            color: #fff;
        }

        .ok-btn-primary:active {
            transform: translateY(1px);
        }

        .ok-btn-light {
            background: #fff;
            color: var(--ok-primary);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .ok-btn-light:hover {
            background: var(--ok-primary-soft);
            color: var(--ok-primary-dark);
            border-color: var(--ok-primary-light);
        }

        .ok-btn-outline {
            background: transparent;
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary);
        }

        .ok-btn-outline:hover {
            background: var(--ok-primary-soft);
            color: var(--ok-primary-dark);
            border-color: var(--ok-primary-dark);
        }

        /* Footer */
        .ok-footer {
            background: #F0F4F5;
            border-top: 1px solid var(--ok-border-light);
            padding: var(--ok-spacing-xl) 0 var(--ok-spacing-md);
            margin-top: 0;
        }

        .ok-footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: var(--ok-spacing-lg);
            margin-bottom: var(--ok-spacing-lg);
        }

        .ok-footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ok-primary);
            margin-bottom: 10px;
        }

        .ok-footer-desc {
            font-size: 0.88rem;
            color: var(--ok-text-secondary);
            line-height: 1.8;
            margin: 0;
            max-width: 360px;
        }

        .ok-footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 12px;
        }

        .ok-footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .ok-footer-col ul li a {
            font-size: 0.88rem;
            color: var(--ok-text-secondary);
            transition: color var(--ok-transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .ok-footer-col ul li a:hover {
            color: var(--ok-primary);
        }

        .ok-footer-col ul li a::before {
            content: '›';
            font-size: 1rem;
            color: var(--ok-text-muted);
        }

        .ok-footer-bottom {
            border-top: 1px solid var(--ok-border);
            padding-top: var(--ok-spacing-sm);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--ok-text-muted);
        }

        .ok-footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .ok-footer-bottom a {
            color: var(--ok-text-secondary);
            transition: color var(--ok-transition);
        }

        .ok-footer-bottom a:hover {
            color: var(--ok-primary);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .ok-container {
                max-width: 100%;
                padding: 0 var(--ok-spacing-md);
            }

            .ok-directory-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
            .ok-nav {
                flex-wrap: wrap;
            }

            .ok-nav-links {
                order: 3;
                flex-basis: 100%;
                gap: 2px;
            }

            .ok-nav-chips {
                order: 2;
            }

            .ok-page-hero h1 {
                font-size: 1.8rem;
            }

            .ok-cta-banner {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }

            .ok-cta-banner-text p {
                max-width: 480px;
                margin-left: auto;
                margin-right: auto;
            }

            .ok-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--ok-spacing-md);
            }
        }

        @media (max-width: 768px) {
            .ok-container {
                padding: 0 var(--ok-spacing-sm);
            }

            .ok-nav {
                padding: 10px 0;
            }

            .ok-nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .ok-nav-links {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                background: var(--ok-card-bg);
                border: 1px solid var(--ok-border-light);
                border-radius: var(--ok-radius-md);
                box-shadow: var(--ok-shadow-sm);
                padding: 8px;
                gap: 2px;
            }

            .ok-nav-links.ok-nav-open {
                display: flex;
            }

            .ok-nav-links li a {
                display: block;
                padding: 10px 14px;
                font-size: 0.95rem;
            }

            .ok-nav-links li a.ok-active::after {
                display: none;
            }

            .ok-nav-chips {
                margin-left: 0;
                gap: 5px;
            }

            .ok-chip {
                font-size: 0.7rem;
                padding: 3px 10px;
            }

            .ok-page-hero {
                padding: var(--ok-spacing-md) 0 var(--ok-spacing-sm);
            }

            .ok-page-hero h1 {
                font-size: 1.5rem;
                line-height: 1.35;
            }

            .ok-page-hero .ok-page-lead {
                font-size: 0.95rem;
            }

            .ok-directory-grid {
                grid-template-columns: 1fr;
                gap: var(--ok-spacing-sm);
            }

            .ok-search-row {
                flex-direction: column;
                align-items: stretch;
            }

            .ok-search-btn {
                width: 100%;
            }

            .ok-cta-banner {
                padding: var(--ok-spacing-md);
            }

            .ok-cta-banner-text h2 {
                font-size: 1.25rem;
            }

            .ok-btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }

            .ok-footer {
                padding: var(--ok-spacing-lg) 0 var(--ok-spacing-sm);
            }

            .ok-footer-grid {
                grid-template-columns: 1fr;
                gap: var(--ok-spacing-md);
            }

            .ok-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 576px) {
            .ok-container {
                padding: 0 14px;
            }

            .ok-nav-brand {
                font-size: 1.25rem;
                gap: 8px;
            }

            .ok-brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.95rem;
            }

            .ok-page-hero h1 {
                font-size: 1.35rem;
            }

            .ok-page-kicker {
                font-size: 0.72rem;
                padding: 4px 12px;
            }

            .ok-dir-card {
                padding: var(--ok-spacing-sm);
            }

            .ok-dir-icon {
                width: 36px;
                height: 36px;
                font-size: 1.1rem;
            }

            .ok-dir-card-info h3 {
                font-size: 0.95rem;
            }

            .ok-pagination {
                gap: 3px;
            }

            .ok-page-btn {
                min-width: 34px;
                height: 34px;
                padding: 0 8px;
                font-size: 0.8rem;
            }

            .ok-brand-intro-card {
                padding: var(--ok-spacing-md);
            }

            .ok-brand-intro-card h2 {
                font-size: 1.25rem;
            }

            .ok-cta-banner-text h2 {
                font-size: 1.15rem;
            }

            .ok-btn {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.85rem;
            }

            .ok-cta-btn-group {
                flex-direction: column;
                width: 100%;
            }

            .ok-filter-chips {
                gap: 5px;
            }

            .ok-filter-chip {
                font-size: 0.72rem;
                padding: 5px 12px;
            }
        }

/* roulang page: category7 */
:root {
            --ok-primary: #2E7D8C;
            --ok-primary-dark: #226572;
            --ok-primary-light: #D9E8EC;
            --ok-primary-soft: #F0F6F8;
            --ok-secondary: #5BA3B8;
            --ok-accent: #C77D3F;
            --ok-accent-light: #F7EDE4;
            --ok-bg: #FAFCFD;
            --ok-card-bg: #FFFFFF;
            --ok-text-main: #1A2B33;
            --ok-text-secondary: #5C6F78;
            --ok-text-muted: #8FA0A8;
            --ok-border: #D3DFE3;
            --ok-border-light: #E4EDF0;
            --ok-shadow-sm: 0 2px 8px rgba(30, 60, 70, 0.06);
            --ok-shadow-md: 0 8px 24px rgba(30, 60, 70, 0.08);
            --ok-shadow-lg: 0 16px 40px rgba(30, 60, 70, 0.12);
            --ok-radius-sm: 6px;
            --ok-radius-md: 10px;
            --ok-radius-lg: 14px;
            --ok-radius-pill: 20px;
            --ok-font-sans: system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Inter', 'Roboto', sans-serif;
            --ok-spacing-xs: 8px;
            --ok-spacing-sm: 16px;
            --ok-spacing-md: 24px;
            --ok-spacing-lg: 40px;
            --ok-spacing-xl: 56px;
            --ok-spacing-xxl: 72px;
            --ok-spacing-xxxl: 96px;
            --ok-transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--ok-font-sans);
            background-color: var(--ok-bg);
            color: var(--ok-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--ok-transition);
        }
        a:hover {
            color: var(--ok-primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .ok-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--ok-spacing-lg);
        }

        /* Header */
        .ok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--ok-border-light);
            padding: 0;
            box-shadow: 0 1px 4px rgba(30, 60, 70, 0.04);
        }
        .ok-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 0;
            gap: 8px;
        }
        .ok-nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .ok-nav-brand .ok-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--ok-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
        }
        .ok-nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .ok-nav-links li a {
            display: inline-block;
            padding: 8px 12px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
            border-radius: 6px;
            transition: all var(--ok-transition);
            white-space: nowrap;
        }
        .ok-nav-links li a:hover,
        .ok-nav-links li a:focus-visible {
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
            outline: none;
        }
        .ok-nav-links li a.ok-active {
            color: var(--ok-primary);
            font-weight: 600;
            background: var(--ok-primary-soft);
        }
        .ok-nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 4px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }
        .ok-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary-light);
            white-space: nowrap;
            transition: all var(--ok-transition);
            cursor: default;
        }
        .ok-chip:hover {
            background: var(--ok-primary-light);
            border-color: var(--ok-primary);
        }
        .ok-chip .ok-chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--ok-accent);
            flex-shrink: 0;
        }
        .ok-chip.ok-chip-warm .ok-chip-dot {
            background: var(--ok-accent);
        }
        .ok-chip.ok-chip-live .ok-chip-dot {
            background: #E05D4F;
        }
        .ok-chip.ok-chip-replay .ok-chip-dot {
            background: #7A8A90;
        }
        .ok-nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--ok-border);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 1.2rem;
            color: var(--ok-text-main);
            cursor: pointer;
            transition: all var(--ok-transition);
            line-height: 1;
        }
        .ok-nav-toggle:hover {
            border-color: var(--ok-primary);
            color: var(--ok-primary);
            background: var(--ok-primary-soft);
        }
        .ok-nav-toggle:focus-visible {
            outline: 2px solid var(--ok-primary);
            outline-offset: 2px;
        }

        /* Breadcrumb */
        .ok-breadcrumb-wrap {
            background: var(--ok-primary-soft);
            border-bottom: 1px solid var(--ok-border-light);
            padding: 12px 0;
        }
        .ok-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .ok-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ok-breadcrumb li+li::before {
            content: '/';
            color: var(--ok-text-muted);
            font-size: 0.8rem;
        }
        .ok-breadcrumb a {
            color: var(--ok-primary);
            font-weight: 500;
        }
        .ok-breadcrumb a:hover {
            color: var(--ok-primary-dark);
            text-decoration: underline;
        }
        .ok-breadcrumb .ok-breadcrumb-current {
            color: var(--ok-text-secondary);
            font-weight: 500;
        }

        /* Page Hero */
        .ok-page-hero {
            padding: var(--ok-spacing-xxl) 0 var(--ok-spacing-xl);
            background: linear-gradient(135deg, var(--ok-primary-soft) 0%, #F7FAFB 60%, var(--ok-bg) 100%);
            border-bottom: 1px solid var(--ok-border-light);
        }
        .ok-page-hero-inner {
            display: flex;
            align-items: center;
            gap: var(--ok-spacing-xl);
        }
        .ok-page-hero-text {
            flex: 1.2;
        }
        .ok-page-hero-image {
            flex: 0.8;
            border-radius: var(--ok-radius-lg);
            overflow: hidden;
            box-shadow: var(--ok-shadow-md);
            background: var(--ok-primary-light);
            min-height: 240px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .ok-page-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 240px;
        }
        .ok-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: var(--ok-radius-pill);
            background: var(--ok-accent-light);
            color: var(--ok-accent);
            border: 1px solid #E8D5C0;
            margin-bottom: var(--ok-spacing-sm);
        }
        .ok-page-hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin: 0 0 var(--ok-spacing-sm);
            line-height: 1.35;
            letter-spacing: -0.01em;
        }
        .ok-page-hero .ok-hero-sub {
            font-size: 1rem;
            color: var(--ok-text-secondary);
            max-width: 560px;
            margin-bottom: var(--ok-spacing-md);
            line-height: 1.75;
        }
        .ok-hero-search {
            display: flex;
            gap: 10px;
            max-width: 520px;
            flex-wrap: wrap;
        }
        .ok-hero-search input {
            flex: 1;
            min-width: 200px;
            padding: 10px 18px;
            border: 1px solid var(--ok-border);
            border-radius: var(--ok-radius-sm);
            background: #fff;
            color: var(--ok-text-main);
            font-size: 0.92rem;
            transition: all var(--ok-transition);
        }
        .ok-hero-search input:focus {
            outline: none;
            border-color: var(--ok-primary);
            box-shadow: 0 0 0 3px rgba(46, 125, 140, 0.12);
        }
        .ok-hero-search input::placeholder {
            color: var(--ok-text-muted);
        }

        /* Buttons */
        .ok-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            font-size: 0.92rem;
            font-weight: 600;
            border-radius: var(--ok-radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--ok-transition);
            white-space: nowrap;
            min-height: 44px;
            text-align: center;
        }
        .ok-btn-primary {
            background: var(--ok-primary);
            color: #fff;
        }
        .ok-btn-primary:hover {
            background: var(--ok-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--ok-shadow-md);
        }
        .ok-btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--ok-shadow-sm);
        }
        .ok-btn-primary:focus-visible {
            outline: 3px solid rgba(46, 125, 140, 0.35);
            outline-offset: 2px;
        }
        .ok-btn-outline {
            background: #fff;
            color: var(--ok-primary);
            border: 1px solid var(--ok-primary);
        }
        .ok-btn-outline:hover {
            background: var(--ok-primary-soft);
            color: var(--ok-primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--ok-shadow-sm);
        }
        .ok-btn-outline:active {
            transform: translateY(0);
        }
        .ok-btn-outline:focus-visible {
            outline: 3px solid rgba(46, 125, 140, 0.25);
            outline-offset: 2px;
        }
        .ok-btn-accent {
            background: var(--ok-accent);
            color: #fff;
        }
        .ok-btn-accent:hover {
            background: #B56A31;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--ok-shadow-md);
        }
        .ok-btn-accent:focus-visible {
            outline: 3px solid rgba(199, 125, 63, 0.35);
            outline-offset: 2px;
        }

        /* FAQ Main Section */
        .ok-faq-section {
            padding: var(--ok-spacing-xxl) 0;
        }
        .ok-faq-layout {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: var(--ok-spacing-lg);
            align-items: start;
        }
        .ok-faq-sidebar {
            position: sticky;
            top: 90px;
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-md);
            box-shadow: var(--ok-shadow-sm);
            border: 1px solid var(--ok-border-light);
            padding: var(--ok-spacing-md);
        }
        .ok-faq-sidebar h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--ok-border-light);
        }
        .ok-faq-sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .ok-faq-sidebar ul li a {
            display: block;
            padding: 10px 14px;
            font-size: 0.86rem;
            font-weight: 500;
            color: var(--ok-text-secondary);
            border-radius: var(--ok-radius-sm);
            transition: all var(--ok-transition);
            border-left: 3px solid transparent;
        }
        .ok-faq-sidebar ul li a:hover {
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border-left-color: var(--ok-primary);
        }
        .ok-faq-sidebar ul li a.ok-faq-cat-active {
            background: var(--ok-primary-soft);
            color: var(--ok-primary);
            border-left-color: var(--ok-primary);
            font-weight: 600;
        }
        .ok-faq-content h2.ok-section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
            line-height: 1.4;
        }
        .ok-faq-content .ok-section-desc {
            color: var(--ok-text-secondary);
            font-size: 0.95rem;
            margin-bottom: var(--ok-spacing-lg);
            max-width: 680px;
        }

        /* Accordion custom */
        .ok-accordion .accordion-item {
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-md) !important;
            margin-bottom: var(--ok-spacing-sm);
            overflow: hidden;
            background: var(--ok-card-bg);
            box-shadow: var(--ok-shadow-sm);
            transition: box-shadow var(--ok-transition);
        }
        .ok-accordion .accordion-item:hover {
            box-shadow: var(--ok-shadow-md);
        }
        .ok-accordion .accordion-header {
            margin: 0;
        }
        .ok-accordion .accordion-button {
            background: var(--ok-primary-soft);
            color: var(--ok-text-main);
            font-weight: 600;
            font-size: 0.92rem;
            padding: 16px 20px;
            border: none;
            border-radius: 0;
            box-shadow: none !important;
            transition: all var(--ok-transition);
            text-align: left;
            line-height: 1.5;
        }
        .ok-accordion .accordion-button:not(.collapsed) {
            background: var(--ok-primary-soft);
            color: var(--ok-primary-dark);
        }
        .ok-accordion .accordion-button:focus {
            outline: 2px solid var(--ok-primary);
            outline-offset: -2px;
        }
        .ok-accordion .accordion-button::after {
            filter: brightness(0) saturate(100%) invert(35%) sepia(25%) saturate(800%) hue-rotate(140deg);
        }
        .ok-accordion .accordion-body {
            padding: 18px 20px;
            color: var(--ok-text-secondary);
            font-size: 0.9rem;
            line-height: 1.75;
            background: #fff;
            border-top: 1px solid var(--ok-border-light);
        }

        /* Quick Help Cards */
        .ok-quick-help {
            padding: var(--ok-spacing-xl) 0;
            background: #fff;
            border-top: 1px solid var(--ok-border-light);
            border-bottom: 1px solid var(--ok-border-light);
        }
        .ok-quick-help h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
            text-align: center;
        }
        .ok-quick-help .ok-section-desc-center {
            text-align: center;
            color: var(--ok-text-secondary);
            font-size: 0.95rem;
            margin-bottom: var(--ok-spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .ok-quick-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--ok-spacing-md);
        }
        .ok-quick-card {
            background: var(--ok-card-bg);
            border: 1px solid var(--ok-border-light);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-md);
            text-align: center;
            transition: all var(--ok-transition);
            box-shadow: var(--ok-shadow-sm);
        }
        .ok-quick-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--ok-shadow-md);
            border-color: var(--ok-primary-light);
        }
        .ok-quick-card .ok-quick-icon {
            width: 48px;
            height: 48px;
            background: var(--ok-primary-soft);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.4rem;
            color: var(--ok-primary);
        }
        .ok-quick-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: 8px;
        }
        .ok-quick-card p {
            font-size: 0.82rem;
            color: var(--ok-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* CTA Section */
        .ok-cta-section {
            padding: var(--ok-spacing-xxl) 0;
            background: linear-gradient(135deg, var(--ok-primary-soft) 0%, #F2F8F9 50%, var(--ok-bg) 100%);
        }
        .ok-cta-panel {
            background: var(--ok-card-bg);
            border-radius: var(--ok-radius-lg);
            box-shadow: var(--ok-shadow-lg);
            padding: var(--ok-spacing-xl);
            display: flex;
            gap: var(--ok-spacing-lg);
            align-items: center;
            border: 1px solid var(--ok-border-light);
        }
        .ok-cta-text {
            flex: 1.1;
        }
        .ok-cta-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
            line-height: 1.4;
        }
        .ok-cta-text p {
            color: var(--ok-text-secondary);
            font-size: 0.95rem;
            margin-bottom: var(--ok-spacing-md);
            line-height: 1.7;
        }
        .ok-cta-form-mini {
            flex: 0.9;
            background: var(--ok-primary-soft);
            border-radius: var(--ok-radius-md);
            padding: var(--ok-spacing-md);
            border: 1px solid var(--ok-primary-light);
        }
        .ok-cta-form-mini h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: var(--ok-spacing-sm);
        }
        .ok-cta-form-mini .ok-form-group {
            margin-bottom: 12px;
        }
        .ok-cta-form-mini label {
            display: block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--ok-text-secondary);
            margin-bottom: 4px;
        }
        .ok-cta-form-mini input,
        .ok-cta-form-mini select,
        .ok-cta-form-mini textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--ok-border);
            border-radius: var(--ok-radius-sm);
            background: #fff;
            font-size: 0.88rem;
            color: var(--ok-text-main);
            transition: all var(--ok-transition);
        }
        .ok-cta-form-mini input:focus,
        .ok-cta-form-mini select:focus,
        .ok-cta-form-mini textarea:focus {
            outline: none;
            border-color: var(--ok-primary);
            box-shadow: 0 0 0 3px rgba(46, 125, 140, 0.12);
        }
        .ok-cta-form-mini textarea {
            resize: vertical;
            min-height: 70px;
        }

        /* Footer */
        .ok-footer {
            background: #F0F4F5;
            border-top: 1px solid var(--ok-border-light);
            padding: var(--ok-spacing-xl) 0 var(--ok-spacing-md);
        }
        .ok-footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
            gap: var(--ok-spacing-lg);
            margin-bottom: var(--ok-spacing-lg);
        }
        .ok-footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--ok-primary);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .ok-footer-desc {
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            line-height: 1.7;
            max-width: 360px;
        }
        .ok-footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--ok-text-main);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .ok-footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .ok-footer-col ul li a {
            font-size: 0.85rem;
            color: var(--ok-text-secondary);
            transition: all var(--ok-transition);
        }
        .ok-footer-col ul li a:hover {
            color: var(--ok-primary);
            padding-left: 4px;
        }
        .ok-footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: var(--ok-spacing-md);
            border-top: 1px solid var(--ok-border-light);
            font-size: 0.78rem;
            color: var(--ok-text-muted);
        }
        .ok-footer-bottom a {
            color: var(--ok-text-secondary);
        }
        .ok-footer-bottom a:hover {
            color: var(--ok-primary);
            text-decoration: underline;
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .ok-container {
                padding: 0 var(--ok-spacing-md);
            }
            .ok-quick-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ok-faq-layout {
                grid-template-columns: 220px 1fr;
            }
        }
        @media (max-width: 992px) {
            .ok-nav-links {
                gap: 0;
            }
            .ok-nav-links li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .ok-page-hero-inner {
                flex-direction: column;
                gap: var(--ok-spacing-md);
            }
            .ok-page-hero-image {
                width: 100%;
                flex: none;
            }
            .ok-faq-layout {
                grid-template-columns: 1fr;
                gap: var(--ok-spacing-md);
            }
            .ok-faq-sidebar {
                position: static;
                display: flex;
                flex-wrap: wrap;
                align-items: center;
                gap: 6px;
                padding: 12px 16px;
            }
            .ok-faq-sidebar h3 {
                margin-bottom: 0;
                padding-bottom: 0;
                border-bottom: none;
                margin-right: 8px;
            }
            .ok-faq-sidebar ul {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 4px;
            }
            .ok-faq-sidebar ul li a {
                padding: 6px 12px;
                font-size: 0.78rem;
                border-left: none;
                border-bottom: 2px solid transparent;
                border-radius: var(--ok-radius-sm);
            }
            .ok-faq-sidebar ul li a:hover {
                border-left: none;
                border-bottom-color: var(--ok-primary);
            }
            .ok-faq-sidebar ul li a.ok-faq-cat-active {
                border-left: none;
                border-bottom-color: var(--ok-primary);
            }
            .ok-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--ok-spacing-md);
            }
            .ok-cta-panel {
                flex-direction: column;
                align-items: stretch;
            }
        }
        @media (max-width: 768px) {
            .ok-nav-toggle {
                display: block;
            }
            .ok-nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0;
                gap: 2px;
                border-top: 1px solid var(--ok-border-light);
                margin-top: 8px;
            }
            .ok-nav-links.ok-nav-links-open {
                display: flex;
            }
            .ok-nav-links li a {
                padding: 12px 14px;
                font-size: 0.9rem;
                border-radius: 6px;
            }
            .ok-nav-chips {
                width: 100%;
                padding: 8px 0 4px;
                border-top: 1px solid var(--ok-border-light);
                margin-top: 4px;
            }
            .ok-page-hero {
                padding: var(--ok-spacing-xl) 0 var(--ok-spacing-lg);
            }
            .ok-page-hero h1 {
                font-size: 1.6rem;
            }
            .ok-quick-grid {
                grid-template-columns: 1fr;
            }
            .ok-footer-grid {
                grid-template-columns: 1fr;
                gap: var(--ok-spacing-md);
            }
            .ok-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .ok-cta-panel {
                padding: var(--ok-spacing-md);
            }
        }
        @media (max-width: 576px) {
            .ok-container {
                padding: 0 var(--ok-spacing-sm);
            }
            .ok-page-hero h1 {
                font-size: 1.4rem;
            }
            .ok-page-hero .ok-hero-sub {
                font-size: 0.9rem;
            }
            .ok-hero-search {
                flex-direction: column;
            }
            .ok-hero-search input {
                width: 100%;
                min-width: auto;
            }
            .ok-hero-search .ok-btn {
                width: 100%;
            }
            .ok-faq-content h2.ok-section-title {
                font-size: 1.3rem;
            }
            .ok-quick-help h2 {
                font-size: 1.3rem;
            }
            .ok-cta-panel {
                padding: var(--ok-spacing-sm);
            }
            .ok-btn {
                padding: 10px 18px;
                font-size: 0.88rem;
            }
            .ok-accordion .accordion-button {
                font-size: 0.85rem;
                padding: 14px 16px;
            }
            .ok-accordion .accordion-body {
                font-size: 0.82rem;
                padding: 14px 16px;
            }
        }