/* roulang page: index */
:root {
            --color-primary: #1E2228;
            --color-accent: #E8A33D;
            --color-bg: #F6F7F9;
            --color-text: #1E2228;
            --color-text-secondary: #5A6472;
            --color-text-light: #A0A6B0;
            --color-border: #E5E7EB;
            --color-highlight: #34D399;
            --color-footer-bg: #16191D;
            --color-footer-text: #A0A6B0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-nav: 16px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-nav: 0 4px 16px rgba(0,0,0,0.08);
            --space-section: 80px;
            --space-section-mobile: 48px;
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
            --max-width: 1200px;
            --gutter-desktop: 24px;
            --gutter-mobile: 16px;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }

        a:hover {
            color: var(--color-accent);
        }

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

        :focus-visible {
            outline: 2px solid rgba(232,163,61,0.5);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--gutter-desktop);
            padding-right: var(--gutter-desktop);
        }

        @media (max-width: 768px) {
            .container {
                padding-left: var(--gutter-mobile);
                padding-right: var(--gutter-mobile);
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: relative;
            z-index: 100;
            padding: 12px 20px 0;
            transition: all 0.3s ease;
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 8px 12px 0;
            }
        }

        .site-header.is-sticky {
            position: fixed;
            top: 0;
            left: 8px;
            right: 8px;
            padding: 8px 20px 0;
        }

        @media (max-width: 768px) {
            .site-header.is-sticky {
                left: 4px;
                right: 4px;
                padding: 4px 12px 0;
            }
        }

        .nav-shell {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-nav);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background 0.3s ease, box-shadow 0.3s ease;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .site-header.is-sticky .nav-shell {
            background: rgba(30,34,40,0.95);
            box-shadow: 0 8px 24px rgba(0,0,0,0.18);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-text);
            white-space: nowrap;
            transition: color 0.3s ease;
        }

        .site-header.is-sticky .nav-logo {
            color: #ffffff;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }

        .nav-menu li a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            padding: 4px 6px;
            position: relative;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .site-header.is-sticky .nav-menu li a {
            color: #E5E7EB;
        }

        .nav-menu li a:hover {
            color: var(--color-accent);
        }

        .nav-menu li a.active {
            color: var(--color-accent);
        }

        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 6px;
            right: 6px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 4px 8px;
            transition: color 0.3s ease;
        }

        .site-header.is-sticky .nav-toggle {
            color: #ffffff;
        }

        .nav-toggle:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(30,34,40,0.97);
                border-radius: 0 0 16px 16px;
                padding: 20px 24px;
                gap: 16px;
                box-shadow: 0 16px 32px rgba(0,0,0,0.2);
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu li a {
                color: #E5E7EB;
                font-size: 1rem;
                display: block;
                padding: 6px 0;
            }

            .nav-menu li a.active {
                color: var(--color-accent);
            }

            .nav-toggle {
                display: block;
            }
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            text-align: center;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }

        .btn-primary:hover {
            background: #D18F2E;
            border-color: #D18F2E;
            box-shadow: 0 6px 16px rgba(232,163,61,0.35);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-text);
            border-color: var(--color-text);
        }

        .btn-secondary:hover {
            background: var(--color-text);
            color: #ffffff;
            box-shadow: 0 6px 16px rgba(0,0,0,0.15);
            transform: translateY(-1px);
        }

        .btn-light-outline {
            background: transparent;
            color: #ffffff;
            border-color: rgba(255,255,255,0.6);
        }

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

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ========== SECTIONS ========== */
        main {
            display: block;
        }

        .section {
            padding: var(--space-section) 0;
            position: relative;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-section-mobile) 0;
            }
        }

        .section-alt {
            background: #ffffff;
        }

        .section-dark {
            background: var(--color-primary);
            color: #ffffff;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--color-text);
        }

        .section-desc {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 40px;
            max-width: 800px;
        }

        .section-title.light,
        .section-desc.light {
            color: #E5E7EB;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/99d92cd82a5e5b16.jpg') center/cover no-repeat;
            margin-top: 12px;
            border-radius: 20px;
            overflow: hidden;
            margin-left: 20px;
            margin-right: 20px;
        }

        @media (max-width: 768px) {
            .hero {
                margin-left: 12px;
                margin-right: 12px;
                min-height: 60vh;
                border-radius: 14px;
            }
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(30,34,40,0.3) 0%, rgba(30,34,40,0.85) 75%, rgba(30,34,40,0.95) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 40px;
            max-width: 800px;
            width: 100%;
        }

        @media (max-width: 768px) {
            .hero-content {
                padding: 40px 24px;
            }
        }

        .hero-region-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .region-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232,163,61,0.15);
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(232,163,61,0.3);
            transition: all 0.25s ease;
            cursor: default;
        }

        .region-tag:hover {
            background: rgba(232,163,61,0.3);
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.25;
            color: #ffffff;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.8rem;
            }
        }

        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #D1D5DB;
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        /* ========== PAIN CARDS ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media (max-width: 1024px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
        }

        .pain-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

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

        .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(232,163,61,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .pain-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--color-text);
            line-height: 1.4;
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== SOLUTION CARDS ========== */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 1024px) {
            .solution-grid {
                grid-template-columns: 1fr;
            }
        }

        .solution-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .solution-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

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

        .solution-card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--color-text);
        }

        .solution-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        /* ========== TIMELINE ========== */
        .timeline {
            position: relative;
            padding-left: 36px;
            list-style: none;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 36px;
            padding-left: 20px;
        }

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

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid #ffffff;
            box-shadow: 0 0 0 3px rgba(232,163,61,0.3);
        }

        .timeline-step {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }

        .timeline-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .timeline-item p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 32px;
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

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

        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .stat-preview-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

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

        .stat-preview {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            background: #ffffff;
            box-shadow: var(--shadow-card);
        }

        .stat-preview img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .stat-preview-body {
            padding: 16px 20px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-slider {
            max-width: 800px;
            margin: 0 auto;
        }

        .testimonial-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            margin: 0 8px;
        }

        .testimonial-quote {
            font-size: 0.95rem;
            line-height: 1.8;
            color: var(--color-text);
            font-style: italic;
            margin-bottom: 16px;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid var(--color-accent);
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
        }

        .orbit-bullets button {
            background: var(--color-border) !important;
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .orbit-bullets button.is-active {
            background: var(--color-accent) !important;
        }

        .orbit-previous,
        .orbit-next {
            background: rgba(30,34,40,0.8) !important;
            color: #ffffff !important;
            border-radius: 50%;
            width: 36px;
            height: 36px;
            display: flex !important;
            align-items: center;
            justify-content: center;
        }

        /* ========== AUDIENCE ========== */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media (max-width: 1024px) {
            .audience-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .audience-grid {
                grid-template-columns: 1fr;
            }
        }

        .audience-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

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

        .audience-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(232,163,61,0.1);
            color: var(--color-accent);
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .audience-card h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .audience-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== NEWS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        .news-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .news-card-image {
            position: relative;
        }

        .news-card-image img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .news-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 6px;
        }

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

        .news-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--color-text);
            line-height: 1.4;
        }

        .news-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }

        .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.25s ease;
        }

        .news-link i {
            font-size: 0.75rem;
            transition: transform 0.25s ease;
        }

        .news-link:hover {
            color: #D18F2E;
        }

        .news-link:hover i {
            transform: translateX(4px);
        }

        /* ========== DATA DASHBOARD ========== */
        .dashboard-panel {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .dashboard-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .data-tag {
            font-size: 0.8rem;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            transition: all 0.25s ease;
        }

        .data-tag.highlight {
            background: rgba(52,211,153,0.1);
            border-color: rgba(52,211,153,0.3);
            color: #10B981;
        }

        .data-bars {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .data-bar-item {
            text-align: center;
        }

        .data-bar-circle {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: conic-gradient(var(--color-accent) 0%, var(--color-accent) 78%, var(--color-border) 78%, var(--color-border) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
            position: relative;
        }

        .data-bar-circle::before {
            content: '';
            position: absolute;
            inset: 8px;
            border-radius: 50%;
            background: #ffffff;
        }

        .data-bar-circle span {
            position: relative;
            z-index: 1;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-text);
        }

        .data-bar-circle.alt1 {
            background: conic-gradient(var(--color-highlight) 0%, var(--color-highlight) 65%, var(--color-border) 65%, var(--color-border) 100%);
        }

        .data-bar-circle.alt2 {
            background: conic-gradient(#60A5FA 0%, #60A5FA 52%, var(--color-border) 52%, var(--color-border) 100%);
        }

        .data-bar-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .brand-intro {
                grid-template-columns: 1fr;
                padding: 24px 20px;
            }
        }

        .brand-intro-text h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-text);
        }

        .brand-intro-text p {
            font-size: 0.95rem;
            line-height: 1.9;
            color: var(--color-text-secondary);
        }

        .brand-intro-image img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: linear-gradient(135deg, var(--color-primary) 0%, #2A3038 100%);
            border-radius: 16px;
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        @media (max-width: 768px) {
            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
        }

        .cta-banner h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }

        .cta-banner p {
            font-size: 0.95rem;
            color: #D1D5DB;
            line-height: 1.7;
        }

        .cta-banner .btn {
            flex-shrink: 0;
            margin-left: auto;
        }

        @media (max-width: 768px) {
            .cta-banner .btn {
                margin-left: 0;
            }
        }

        /* ========== CATEGORY ENTRANCE ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        .category-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: block;
            text-align: center;
        }

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

        .category-card img {
            width: 100%;
            height: 110px;
            object-fit: cover;
        }

        .category-card-body {
            padding: 14px 12px;
        }

        .category-card-body h3 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .category-card-body span {
            font-size: 0.75rem;
            color: var(--color-text-secondary);
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            background: #ffffff;
            transition: all 0.3s ease;
        }

        .accordion-item:hover {
            border-color: #D1D5DB;
        }

        .accordion-title {
            display: block;
            padding: 16px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            transition: all 0.25s ease;
            position: relative;
            background: #ffffff;
            border: none;
            width: 100%;
            text-align: left;
        }

        .accordion-title::after {
            content: '+';
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--color-text-secondary);
            transition: transform 0.25s ease;
        }

        .accordion-item.is-active .accordion-title::after {
            content: '−';
            transform: translateY(-50%);
        }

        .accordion-title:hover {
            background: #F8F9FB;
        }

        .accordion-content {
            display: none;
            padding: 0 20px 18px;
            background: #F8F9FB;
            font-size: 0.9rem;
            line-height: 1.8;
            color: var(--color-text-secondary);
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ========== PARTNERS ========== */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        @media (max-width: 1024px) {
            .partner-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 520px) {
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .partner-placeholder {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
        }

        .partner-placeholder:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ========== SUBSCRIBE ========== */
        .subscribe-box {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            max-width: 560px;
            margin: 0 auto;
            text-align: center;
        }

        .subscribe-box h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--color-text);
        }

        .subscribe-box p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            height: 44px;
            border-radius: 8px;
            border: 1px solid #D1D5DB;
            padding: 0 16px;
            font-size: 0.9rem;
            color: var(--color-text);
            transition: all 0.25s ease;
            background: #ffffff;
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(232,163,61,0.25);
            outline: none;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 60px 0 20px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

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

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.8;
            color: var(--color-footer-text);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--color-footer-text);
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-footer-text);
        }

        .footer-bottom a {
            color: var(--color-footer-text);
            transition: color 0.25s ease;
        }

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

        /* ========== RESPONSIVE FINE-TUNE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .section {
                padding: var(--space-section-mobile) 0;
            }
        }

        @media (max-width: 520px) {
            .hero {
                min-height: 55vh;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Foundation overrides */
        .orbit,
        .accordion {
            background: transparent;
        }

        .orbit-wrapper {
            margin: 0;
        }

        .orbit-container {
            height: auto !important;
        }

        .orbit-slide {
            padding: 0;
        }

        .accordion {
            background: transparent;
        }

        .accordion-item {
            background: transparent;
        }

/* roulang page: category3 */
:root {
            --color-primary: #1E2228;
            --color-accent: #E8A33D;
            --color-bg: #F6F7F9;
            --color-text: #1E2228;
            --color-text-secondary: #5A6472;
            --color-text-light: #A0A6B0;
            --color-border: #E5E7EB;
            --color-highlight: #34D399;
            --color-footer-bg: #16191D;
            --color-footer-text: #A0A6B0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-nav: 16px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-nav: 0 4px 16px rgba(0,0,0,0.08);
            --space-section: 60px;
            --space-section-mobile: 40px;
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
            --max-width: 1200px;
            --gutter-desktop: 24px;
            --gutter-mobile: 16px;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
        }
        a:hover {
            color: var(--color-accent);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--gutter-desktop);
            padding-right: var(--gutter-desktop);
        }
        @media (max-width: 768px) {
            .container {
                padding-left: var(--gutter-mobile);
                padding-right: var(--gutter-mobile);
            }
        }
        h1, h2, h3, h4 {
            margin: 0;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
        }
        p {
            margin: 0;
        }
        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }
        @media (max-width: 768px) {
            .section {
                padding-top: var(--space-section-mobile);
                padding-bottom: var(--space-section-mobile);
            }
        }
        .section-alt {
            background-color: #FFFFFF;
        }
        .section-accent-bg {
            background: var(--color-primary);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .btn-primary:hover {
            background: #D18F2E;
            color: var(--color-primary);
            box-shadow: 0 6px 18px rgba(232,163,61,0.35);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-text);
        }
        .btn-outline:hover {
            background: var(--color-text);
            color: #ffffff;
            border-color: var(--color-text);
            box-shadow: 0 6px 18px rgba(30,34,40,0.2);
        }
        .btn-outline-light {
            background: transparent;
            color: #ffffff;
            border: 1px solid rgba(255,255,255,0.6);
        }
        .btn-outline-light:hover {
            background: #ffffff;
            color: var(--color-primary);
            border-color: #ffffff;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.9rem;
            border-radius: 6px;
        }
        .btn:focus, a:focus, input:focus, button:focus {
            outline: 2px solid rgba(232,163,61,0.4);
            outline-offset: 2px;
        }
        a:focus-visible, button:focus-visible {
            outline: 2px solid rgba(232,163,61,0.5);
            outline-offset: 2px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(232,163,61,0.12);
            color: #B8791A;
            white-space: nowrap;
        }
        .badge-green {
            background: rgba(52,211,153,0.12);
            color: #0E8A6D;
        }
        .badge-dark {
            background: var(--color-primary);
            color: #fff;
        }
        .badge-light {
            background: rgba(255,255,255,0.18);
            color: #fff;
        }
        .divider {
            height: 1px;
            background: var(--color-border);
            margin: 16px 0;
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: relative;
            z-index: 100;
            padding: 12px 20px 0;
            transition: all 0.3s ease;
        }
        @media (max-width: 768px) {
            .site-header {
                padding: 8px 12px 0;
            }
        }
        .site-header.is-sticky {
            position: fixed;
            top: 0;
            left: 8px;
            right: 8px;
            padding: 8px 20px 0;
        }
        @media (max-width: 768px) {
            .site-header.is-sticky {
                left: 4px;
                right: 4px;
                padding: 4px 12px 0;
            }
        }
        .nav-shell {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-nav);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background 0.3s ease, box-shadow 0.3s ease;
            max-width: var(--max-width);
            margin: 0 auto;
            position: relative;
        }
        .site-header.is-sticky .nav-shell {
            background: rgba(30,34,40,0.95);
            box-shadow: 0 8px 24px rgba(0,0,0,0.18);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-text);
            white-space: nowrap;
            transition: color 0.3s ease;
        }
        .site-header.is-sticky .nav-logo {
            color: #ffffff;
        }
        .nav-logo:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }
        .nav-menu li a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            padding: 4px 6px;
            position: relative;
            white-space: nowrap;
            transition: color 0.25s ease;
        }
        .site-header.is-sticky .nav-menu li a {
            color: #E5E7EB;
        }
        .nav-menu li a:hover {
            color: var(--color-accent);
        }
        .nav-menu li a.active {
            color: var(--color-accent);
        }
        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 6px;
            right: 6px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 4px 8px;
            transition: color 0.3s ease;
        }
        .site-header.is-sticky .nav-toggle {
            color: #ffffff;
        }
        .nav-toggle:hover {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 4px);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(30,34,40,0.97);
                border-radius: 0 0 16px 16px;
                padding: 20px 24px;
                gap: 16px;
                box-shadow: 0 16px 32px rgba(0,0,0,0.2);
            }
            .nav-menu.open {
                display: flex;
            }
            .site-header.is-sticky .nav-menu li a,
            .nav-menu li a {
                color: #E5E7EB;
                font-size: 1rem;
            }
            .nav-menu li a:hover,
            .nav-menu li a.active {
                color: var(--color-accent);
            }
            .nav-toggle {
                display: block;
            }
        }
        /* ========== BREADCRUMB ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            padding: 20px 0 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: var(--color-text-light);
            font-size: 0.75rem;
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 600;
        }
        /* ========== PAGE HEADER ========== */
        .page-header {
            padding: 20px 0 0;
        }
        .page-header h1 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .page-header .page-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .page-header h1 {
                font-size: 1.6rem;
            }
            .page-header .page-subtitle {
                font-size: 0.95rem;
            }
        }
        /* ========== SECTION TITLES ========== */
        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--color-text);
        }
        .section-title .highlight-accent {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.35rem;
                margin-bottom: 16px;
            }
        }
        /* ========== STRATEGY LIST CARDS ========== */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .strategy-grid {
                grid-template-columns: 1fr;
            }
        }
        .strategy-card {
            display: flex;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            align-items: stretch;
        }
        .strategy-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .strategy-card-img {
            flex: 0 0 260px;
            position: relative;
            overflow: hidden;
            min-height: 180px;
        }
        .strategy-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .strategy-card-img .date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            letter-spacing: 0.5px;
        }
        .strategy-card-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
        }
        .strategy-card-body .tags-row {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .strategy-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .strategy-card-body h3 a {
            color: var(--color-text);
            transition: color 0.25s ease;
        }
        .strategy-card-body h3 a:hover {
            color: var(--color-accent);
        }
        .strategy-card-body .excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .strategy-card-body .read-more-link {
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: color 0.25s ease;
        }
        .strategy-card-body .read-more-link i {
            font-size: 0.8rem;
        }
        .strategy-card-body .read-more-link:hover {
            color: #D18F2E;
        }
        @media (max-width: 768px) {
            .strategy-card {
                flex-direction: column;
            }
            .strategy-card-img {
                flex: 0 0 auto;
                min-height: 160px;
                max-height: 200px;
            }
            .strategy-card-body {
                padding: 16px 18px;
            }
        }
        .view-more-row {
            margin-top: 28px;
            text-align: center;
        }
        /* ========== DATA SNAPSHOT ========== */
        .snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }
        .snapshot-card {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            color: #fff;
            box-shadow: 0 4px 16px rgba(0,0,0,0.1);
        }
        .snapshot-card .snapshot-num {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-accent);
        }
        .snapshot-card .snapshot-label {
            font-size: 0.85rem;
            color: #C8CDD6;
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .snapshot-card {
                padding: 16px 12px;
            }
            .snapshot-card .snapshot-num {
                font-size: 1.8rem;
            }
        }
        /* ========== RELATED LINKS ========== */
        .related-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px 24px;
        }
        @media (max-width: 768px) {
            .related-list {
                grid-template-columns: 1fr;
            }
        }
        .related-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 14px 18px;
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
        }
        .related-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(232,163,61,0.5);
        }
        .related-item i {
            color: var(--color-accent);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .related-item span {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.5;
        }
        .related-item a {
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 12px;
            width: 100%;
        }
        .related-item a:hover {
            color: var(--color-text);
        }
        .related-item a:hover span {
            color: var(--color-accent);
        }
        .related-item a:hover i {
            color: #D18F2E;
        }
        /* ========== METHOD GUIDE ========== */
        .method-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .method-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .method-text {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .method-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            border-left: 4px solid var(--color-accent);
            box-shadow: var(--shadow-card);
        }
        .method-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .method-item h3 .step-num {
            background: var(--color-accent);
            color: var(--color-primary);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .method-item p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }
        .method-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }
        .method-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 350px;
        }
        @media (max-width: 768px) {
            .method-image img {
                min-height: auto;
                max-height: 260px;
            }
        }
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: color 0.25s ease;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-text-light);
            transition: transform 0.3s ease, color 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            display: none;
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            background: #F8F9FB;
            border-top: 1px solid var(--color-border);
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* ========== CTA ========== */
        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            box-shadow: 0 12px 32px rgba(0,0,0,0.15);
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-banner {
                padding: 28px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
        }
        .cta-banner .cta-text {
            flex: 1;
            min-width: 240px;
        }
        .cta-banner .cta-text h2 {
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 8px;
        }
        .cta-banner .cta-text p {
            color: #C8CDD6;
            font-size: 0.95rem;
        }
        .cta-banner .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
            flex-shrink: 0;
        }
        .cta-banner .cta-form input {
            height: 44px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255,255,255,0.25);
            background: rgba(255,255,255,0.08);
            color: #fff;
            padding: 0 16px;
            font-size: 0.9rem;
            min-width: 240px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .cta-banner .cta-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .cta-banner .cta-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(232,163,61,0.25);
            outline: none;
        }
        .cta-banner .btn-primary {
            height: 44px;
            padding: 0 24px;
            font-size: 0.95rem;
        }
        /* ========== BACK HOME ========== */
        .back-home-area {
            text-align: center;
            padding: 40px 0;
        }
        .back-home-area .btn {
            min-width: 200px;
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding-top: 56px;
            padding-bottom: 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.75;
            color: var(--color-footer-text);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--color-footer-text);
            font-size: 0.85rem;
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 0.8rem;
            color: var(--color-footer-text);
        }
        .footer-bottom a {
            color: var(--color-footer-text);
            font-size: 0.8rem;
            transition: color 0.25s ease;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1E2228;
            --color-accent: #E8A33D;
            --color-bg: #F6F7F9;
            --color-text: #1E2228;
            --color-text-secondary: #5A6472;
            --color-text-light: #A0A6B0;
            --color-border: #E5E7EB;
            --color-highlight: #34D399;
            --color-footer-bg: #16191D;
            --color-footer-text: #A0A6B0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-nav: 16px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-nav: 0 4px 16px rgba(0,0,0,0.08);
            --space-section: 60px;
            --space-section-mobile: 40px;
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
            --max-width: 1200px;
            --gutter-desktop: 24px;
            --gutter-mobile: 16px;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
        }

        a:hover {
            color: var(--color-accent);
        }

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

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 16px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
        }

        h1 {
            font-size: 2rem;
        }

        h2 {
            font-size: 1.75rem;
            margin-bottom: 24px;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        p {
            margin: 0 0 16px;
            line-height: 1.8;
            color: var(--color-text);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--gutter-mobile);
            padding-right: var(--gutter-mobile);
        }

        @media (min-width: 768px) {
            .container {
                padding-left: var(--gutter-desktop);
                padding-right: var(--gutter-desktop);
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 2rem;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: relative;
            z-index: 100;
            padding: 8px 12px 0;
            transition: all 0.3s ease;
        }

        @media (min-width: 768px) {
            .site-header {
                padding: 12px 20px 0;
            }
        }

        .site-header.is-sticky {
            position: fixed;
            top: 0;
            left: 4px;
            right: 4px;
            padding: 4px 12px 0;
        }

        @media (min-width: 768px) {
            .site-header.is-sticky {
                left: 8px;
                right: 8px;
                padding: 8px 20px 0;
            }
        }

        .nav-shell {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-nav);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background 0.3s ease, box-shadow 0.3s ease;
            max-width: var(--max-width);
            margin: 0 auto;
            position: relative;
        }

        @media (min-width: 768px) {
            .nav-shell {
                padding: 10px 24px;
            }
        }

        .site-header.is-sticky .nav-shell {
            background: rgba(30,34,40,0.95);
            box-shadow: 0 8px 24px rgba(0,0,0,0.18);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            white-space: nowrap;
            transition: color 0.3s ease, opacity 0.3s ease;
        }

        @media (min-width: 768px) {
            .nav-logo {
                font-size: 1.15rem;
                gap: 10px;
            }
        }

        .site-header.is-sticky .nav-logo {
            color: #ffffff;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .logo-icon {
            width: 28px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        @media (min-width: 768px) {
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (max-width: 767px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 4px);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(30,34,40,0.97);
                border-radius: 0 0 16px 16px;
                padding: 20px 24px;
                gap: 14px;
                box-shadow: 0 16px 32px rgba(0,0,0,0.2);
            }
            .nav-menu.open {
                display: flex;
            }
        }

        .nav-menu li a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            padding: 4px 6px;
            position: relative;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        @media (min-width: 768px) {
            .nav-menu li a {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 767px) {
            .nav-menu li a {
                color: #E5E7EB;
                display: block;
                font-size: 1rem;
            }
        }

        .site-header.is-sticky .nav-menu li a {
            color: #E5E7EB;
        }

        .nav-menu li a:hover {
            color: var(--color-accent);
        }

        .nav-menu li a.active {
            color: var(--color-accent);
        }

        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 6px;
            right: 6px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        @media (max-width: 767px) {
            .nav-menu li a.active::after {
                display: none;
            }
        }

        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 4px 8px;
            transition: color 0.3s ease;
            width: 36px;
            height: 36px;
            border-radius: 6px;
        }

        @media (min-width: 768px) {
            .nav-toggle {
                display: none;
            }
        }

        .site-header.is-sticky .nav-toggle {
            color: #ffffff;
        }

        .nav-toggle:hover {
            color: var(--color-accent);
        }

        /* ========== MAIN CONTENT ========== */
        main {
            min-height: 60vh;
        }

        .section {
            padding: var(--space-section-mobile) 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: var(--space-section) 0;
            }
        }

        .section-alt {
            background: #ffffff;
        }

        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 20px;
            line-height: 1.35;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
                margin-bottom: 28px;
            }
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 720px;
            line-height: 1.8;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: 24px 0 8px;
            background: var(--color-bg);
        }

        @media (min-width: 768px) {
            .breadcrumb-section {
                padding: 32px 0 8px;
            }
        }

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

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

        .breadcrumb li + li::before {
            content: '/';
            color: var(--color-text-light);
            margin: 0 2px;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }

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

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

        /* ========== CATEGORY HEADER ========== */
        .category-header {
            padding: 20px 0 32px;
            background: var(--color-bg);
        }

        .category-header h1 {
            margin-bottom: 12px;
        }

        .category-intro {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ========== CATEGORY LIST GRID ========== */
        .category-list-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .category-list-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        .list-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .list-card-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #f0f2f5;
        }

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

        .list-card:hover .list-card-image img {
            transform: scale(1.04);
        }

        .list-card-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            z-index: 2;
        }

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

        .list-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.45;
            transition: color 0.25s ease;
        }

        .list-card:hover .list-card-title {
            color: var(--color-accent);
        }

        .list-card-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .list-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            padding: 2px 8px;
            border-radius: 20px;
            transition: all 0.25s ease;
        }

        .tag:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
        }

        .list-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            transition: color 0.25s ease;
        }

        .list-card-link i {
            font-size: 0.75rem;
            transition: transform 0.25s ease;
        }

        .list-card-link:hover {
            color: var(--color-accent);
        }

        .list-card-link:hover i {
            transform: translateX(3px);
        }

        .more-link-wrap {
            text-align: center;
            margin-top: 28px;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn:focus {
            outline: 2px solid rgba(232,163,61,0.3);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
        }

        .btn-primary:hover {
            background: #D18F2E;
            color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(232,163,61,0.35);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-text);
        }

        .btn-secondary:hover {
            background: var(--color-text);
            color: #ffffff;
        }

        .btn-light {
            background: transparent;
            color: #ffffff;
            border: 1px solid rgba(255,255,255,0.6);
        }

        .btn-light:hover {
            background: #ffffff;
            color: var(--color-text);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }

        /* ========== STATS CARDS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        @media (min-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
        }

        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 6px;
            line-height: 1.2;
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 2.2rem;
            }
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== RELATED ARTICLES ========== */
        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }

        .related-item {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: block;
        }

        .related-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .related-item h3 {
            font-size: 1rem;
            margin-bottom: 8px;
            color: var(--color-text);
            transition: color 0.25s ease;
        }

        .related-item:hover h3 {
            color: var(--color-accent);
        }

        .related-item p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== METHOD SECTION ========== */
        .method-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .method-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }

        .method-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            position: relative;
        }

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

        .method-step {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            color: var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 14px;
        }

        .method-card h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .method-card p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            background: #ffffff;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }

        .faq-item:focus-within,
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            gap: 12px;
            transition: background 0.3s ease, color 0.3s ease;
        }

        .faq-question:hover {
            color: var(--color-accent);
            background: #FAFBFC;
        }

        .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: transform 0.3s ease, color 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question {
            color: var(--color-accent);
            background: #F8F9FB;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 40px 24px;
            text-align: center;
            margin: 0 0;
        }

        @media (min-width: 768px) {
            .cta-section {
                padding: 52px 40px;
            }
        }

        .cta-section h2 {
            color: #ffffff;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: #C5CAD4;
            max-width: 560px;
            margin: 0 auto 24px;
            font-size: 0.95rem;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        /* ========== BACK HOME ========== */
        .back-home-wrap {
            text-align: center;
            padding: 24px 0 8px;
        }

        .back-home-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }

        .back-home-link:hover {
            color: var(--color-accent);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 48px 0 28px;
            margin-top: 20px;
        }

        @media (min-width: 768px) {
            .site-footer {
                padding: 60px 0 28px;
                margin-top: 40px;
            }
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 40px;
            }
        }

        .footer-brand h3 {
            color: #ffffff;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: var(--color-footer-text);
            font-size: 0.85rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            color: var(--color-footer-text);
            font-size: 0.85rem;
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.8rem;
            color: var(--color-footer-text);
        }

        .footer-bottom a {
            color: var(--color-footer-text);
            transition: color 0.25s ease;
        }

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

        /* ========== FORM ========== */
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            height: 44px;
            padding: 0 16px;
            border-radius: var(--radius-btn);
            border: 1px solid #D1D5DB;
            background: #ffffff;
            font-size: 0.9rem;
            color: var(--color-text);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(232,163,61,0.25);
        }

        .subscribe-form .btn {
            height: 44px;
            white-space: nowrap;
        }

        /* ========== ANIMATION ========== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .category-header,
        .section {
            animation: fadeUp 0.5s ease both;
        }

        .section:nth-child(2) {
            animation-delay: 0.05s;
        }
        .section:nth-child(3) {
            animation-delay: 0.1s;
        }
        .section:nth-child(4) {
            animation-delay: 0.15s;
        }
        .section:nth-child(5) {
            animation-delay: 0.2s;
        }
        .section:nth-child(6) {
            animation-delay: 0.25s;
        }
        .section:nth-child(7) {
            animation-delay: 0.3s;
        }
        .section:nth-child(8) {
            animation-delay: 0.35s;
        }

/* roulang page: category1 */
:root {
            --color-primary: #1E2228;
            --color-accent: #E8A33D;
            --color-bg: #F6F7F9;
            --color-text: #1E2228;
            --color-text-secondary: #5A6472;
            --color-text-light: #A0A6B0;
            --color-border: #E5E7EB;
            --color-highlight: #34D399;
            --color-footer-bg: #16191D;
            --color-footer-text: #A0A6B0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-nav: 16px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-nav: 0 4px 16px rgba(0,0,0,0.08);
            --space-section: 60px;
            --space-section-mobile: 40px;
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
            --max-width: 1200px;
            --gutter-desktop: 24px;
            --gutter-mobile: 16px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
        }
        a:hover {
            color: var(--color-accent);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }
        h1 { font-size: 2.25rem; }
        h2 { font-size: 1.75rem; }
        h3 { font-size: 1.25rem; font-weight: 600; }
        h4 { font-size: 1rem; font-weight: 600; }
        p { margin: 0 0 1em; }
        ul, ol { margin: 0; padding: 0; list-style: none; }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--gutter-desktop);
            padding-right: var(--gutter-desktop);
        }
        @media (max-width: 768px) {
            .container {
                padding-left: var(--gutter-mobile);
                padding-right: var(--gutter-mobile);
            }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            h3 { font-size: 1.15rem; }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: relative;
            z-index: 100;
            padding: 12px 20px 0;
            transition: all 0.3s ease;
        }
        .site-header.is-sticky {
            position: fixed;
            top: 0;
            left: 8px;
            right: 8px;
            padding: 8px 20px 0;
            z-index: 200;
        }
        .nav-shell {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-nav);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background 0.3s ease, box-shadow 0.3s ease;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .site-header.is-sticky .nav-shell {
            background: rgba(30,34,40,0.95);
            box-shadow: 0 8px 24px rgba(0,0,0,0.18);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-text);
            white-space: nowrap;
            transition: color 0.3s ease;
        }
        .site-header.is-sticky .nav-logo {
            color: #ffffff;
        }
        .nav-logo:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu li a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            padding: 4px 6px;
            position: relative;
            white-space: nowrap;
            transition: color 0.25s ease;
        }
        .site-header.is-sticky .nav-menu li a {
            color: #E5E7EB;
        }
        .nav-menu li a:hover {
            color: var(--color-accent);
        }
        .nav-menu li a.active {
            color: var(--color-accent);
        }
        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 6px;
            right: 6px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 4px 8px;
            transition: color 0.3s ease;
        }
        .site-header.is-sticky .nav-toggle {
            color: #ffffff;
        }
        .nav-toggle:hover {
            color: var(--color-accent);
        }
        @media (max-width: 900px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(30,34,40,0.97);
                border-radius: 0 0 16px 16px;
                padding: 20px 24px;
                gap: 16px;
                box-shadow: 0 16px 32px rgba(0,0,0,0.2);
                margin-top: 8px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                color: #E5E7EB;
                font-size: 1rem;
            }
            .nav-menu li a.active {
                color: var(--color-accent);
            }
            .nav-menu li a.active::after {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .site-header {
                padding: 8px 12px 0;
            }
            .site-header.is-sticky {
                left: 4px;
                right: 4px;
                padding: 4px 12px 0;
            }
            .nav-shell {
                padding: 8px 16px;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
        }

        /* ========== PAGE HERO (compact) ========== */
        .page-hero {
            background: var(--color-primary);
            padding: 50px 0 40px;
            margin-bottom: var(--space-section);
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(232,163,61,0.12) 0%, transparent 65%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-light);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-light);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: #5A6472;
        }
        .breadcrumb .current {
            color: var(--color-accent);
        }
        .page-hero h1 {
            color: #ffffff;
            font-size: 2.5rem;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .page-hero .hero-desc {
            color: #C5CAD3;
            font-size: 1.05rem;
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 36px 0 30px;
                margin-bottom: var(--space-section-mobile);
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero .hero-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: 0 0 var(--space-section);
        }
        .section:last-child {
            padding-bottom: var(--space-section);
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header h2 {
            margin-bottom: 8px;
            position: relative;
            padding-left: 16px;
        }
        .section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .section-header p {
            color: var(--color-text-secondary);
            margin: 0;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .section {
                padding-bottom: var(--space-section-mobile);
            }
            .section:last-child {
                padding-bottom: var(--space-section-mobile);
            }
            .section-header {
                margin-bottom: 24px;
            }
        }

        /* ========== NEWS LIST CARDS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .news-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .news-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .news-card .date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            line-height: 1.4;
            z-index: 2;
        }
        .news-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .news-card .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 2px 8px;
            border-radius: 4px;
            background: #F1F2F4;
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
        }
        .news-card .card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-card .card-body h3 a {
            color: var(--color-text);
        }
        .news-card .card-body h3 a:hover {
            color: var(--color-accent);
        }
        .news-card .card-summary {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }
        .news-card .card-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: gap 0.25s ease, color 0.25s ease;
        }
        .news-card .card-action i {
            font-size: 0.7rem;
        }
        .news-card .card-action:hover {
            gap: 10px;
            color: #D18F2E;
        }
        .list-more {
            text-align: center;
            margin-top: 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
                       font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            text-align: center;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .btn:hover {
            background: #D18F2E;
            color: var(--color-primary);
            box-shadow: 0 6px 16px rgba(232,163,61,0.28);
            transform: translateY(-2px);
        }
        .btn:focus-visible {
            outline: 2px solid rgba(232,163,61,0.3);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--color-text);
            color: var(--color-text);
        }
        .btn-outline:hover {
            background: var(--color-text);
            color: #fff;
            box-shadow: 0 6px 16px rgba(30,34,40,0.18);
        }
        .btn-block {
            display: flex;
            width: 100%;
            justify-content: center;
        }

        /* ========== STATS OVERVIEW ========== */
        .stats-overview {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 16px;
        }
        .stat-card {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-overview {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
        }

        /* ========== RELATED LINKS ========== */
        .related-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .related-link-item {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            box-shadow: var(--shadow-card);
        }
        .related-link-item:hover {
            border-color: var(--color-accent);
            box-shadow: 0 6px 16px rgba(0,0,0,0.08);
        }
        .related-link-item i {
            color: var(--color-accent);
            font-size: 1.1rem;
            width: 24px;
            text-align: center;
        }
        .related-link-item span {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }
        .related-link-item:hover span {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .related-links {
                grid-template-columns: 1fr;
            }
        }

        /* ========== GUIDE SECTION ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .guide-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .guide-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .guide-points {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .guide-point {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
        }
        .guide-point .point-icon {
            width: 36px;
            height: 36px;
            background: rgba(232,163,61,0.12);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .guide-point .point-content h4 {
            margin-bottom: 4px;
            font-size: 1rem;
        }
        .guide-point .point-content p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ACCORDION ========== */
        .accordion {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .accordion-item {
            border-bottom: 1px solid var(--color-border);
        }
        .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-title {
            background: #ffffff;
            border: none;
            padding: 18px 22px;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.25s ease;
        }
        .accordion-title:hover {
            background: #F8F9FB;
        }
        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--color-text-secondary);
            transition: transform 0.3s ease;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }
        .accordion-content {
            background: #F8F9FB;
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        .accordion-item.is-active .accordion-content {
            max-height: 300px;
            padding: 16px 22px 20px;
        }
        .accordion-content p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(232,163,61,0.18) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            color: #ffffff;
            margin-bottom: 8px;
        }
        .cta-content p {
            color: #C5CAD3;
            margin: 0;
            font-size: 0.95rem;
        }
        .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 16px;
            flex-shrink: 0;
        }
        .cta-actions .btn-outline {
            border-color: #E5E7EB;
            color: #E5E7EB;
        }
        .cta-actions .btn-outline:hover {
            background: #ffffff;
            color: var(--color-primary);
            border-color: #ffffff;
        }
        @media (max-width: 768px) {
            .cta-section {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
            }
            .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-actions .btn {
                justify-content: center;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 56px 0 0;
            margin-top: var(--space-section);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand h3 {
            color: #ffffff;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: var(--color-footer-text);
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--color-footer-text);
            font-size: 0.9rem;
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding: 20px 0 24px;
            font-size: 0.85rem;
            color: var(--color-footer-text);
        }
        .footer-bottom a {
            color: var(--color-footer-text);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1E2228;
            --color-accent: #E8A33D;
            --color-bg: #F6F7F9;
            --color-text: #1E2228;
            --color-text-secondary: #5A6472;
            --color-text-light: #A0A6B0;
            --color-border: #E5E7EB;
            --color-highlight: #34D399;
            --color-footer-bg: #16191D;
            --color-footer-text: #A0A6B0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-nav: 16px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-nav: 0 4px 16px rgba(0,0,0,0.08);
            --space-section: 60px;
            --space-section-mobile: 40px;
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
            --max-width: 1200px;
            --gutter-desktop: 24px;
            --gutter-mobile: 16px;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
        }

        a:hover {
            color: var(--color-accent);
        }

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

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--gutter-desktop);
            padding-right: var(--gutter-desktop);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: relative;
            z-index: 100;
            padding: 12px 20px 0;
            transition: all 0.3s ease;
        }

        .site-header.is-sticky {
            position: fixed;
            top: 0;
            left: 8px;
            right: 8px;
            padding: 8px 20px 0;
        }

        .nav-shell {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-nav);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background 0.3s ease, box-shadow 0.3s ease;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .site-header.is-sticky .nav-shell {
            background: rgba(30,34,40,0.95);
            box-shadow: 0 8px 24px rgba(0,0,0,0.18);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-text);
            white-space: nowrap;
            transition: color 0.3s ease;
        }

        .site-header.is-sticky .nav-logo {
            color: #ffffff;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            padding: 4px 6px;
            position: relative;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .site-header.is-sticky .nav-menu li a {
            color: #E5E7EB;
        }

        .nav-menu li a:hover {
            color: var(--color-accent);
        }

        .nav-menu li a.active {
            color: var(--color-accent);
        }

        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 6px;
            right: 6px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 4px 8px;
            transition: color 0.3s ease;
        }

        .site-header.is-sticky .nav-toggle {
            color: #ffffff;
        }

        .nav-toggle:hover {
            color: var(--color-accent);
        }

        /* ========== PAGE HEADER (Breadcrumb + H1) ========== */
        .page-header {
            padding: 48px 0 32px;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }

        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-nav .separator {
            color: var(--color-text-light);
            font-size: 0.75rem;
        }

        .breadcrumb-nav .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        .page-header h1 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin: 0 0 12px;
        }

        .page-header .page-intro {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin: 0;
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--space-section) 0;
        }

        .section-alt {
            background: #ffffff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 20px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 680px;
            line-height: 1.8;
        }

        /* ========== STRATEGY LIST CARDS ========== */
        .strategy-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .strategy-card {
            display: flex;
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .strategy-card-img {
            flex: 0 0 280px;
            position: relative;
            overflow: hidden;
            min-height: 180px;
        }

        .strategy-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .strategy-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            z-index: 2;
        }

        .strategy-card-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .strategy-card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .strategy-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            background: rgba(232, 163, 61, 0.12);
            color: #B87A1F;
            letter-spacing: 0.5px;
        }

        .strategy-tag.highlight {
            background: rgba(52, 211, 153, 0.14);
            color: #0B8F5E;
        }

        .strategy-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.45;
            margin: 0 0 8px;
            color: var(--color-text);
        }

        .strategy-card-title a {
            color: var(--color-text);
            transition: color 0.25s ease;
        }

        .strategy-card-title a:hover {
            color: var(--color-accent);
        }

        .strategy-card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0 0 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: color 0.25s ease;
            align-self: flex-start;
        }

        .read-more-link i {
            font-size: 0.75rem;
            transition: transform 0.25s ease;
        }

        .read-more-link:hover {
            color: #D18F2E;
        }

        .read-more-link:hover i {
            transform: translateX(4px);
        }

        .load-more-wrap {
            text-align: center;
            margin-top: 28px;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 0.9rem;
            font-weight: 600;
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease;
        }

        .btn-load-more:hover {
            background: var(--color-primary);
            color: #ffffff;
        }

        /* ========== DATA SNAPSHOT ========== */
        .snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .snapshot-card {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            text-align: center;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .snapshot-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .snapshot-label {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== RELATED NEWS ========== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .related-card-date {
            font-size: 0.75rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .related-card-title {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 8px;
        }

        .related-card-title a {
            color: var(--color-text);
            transition: color 0.25s ease;
        }

        .related-card-title a:hover {
            color: var(--color-accent);
        }

        .related-card-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== GUIDE SECTION ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .guide-visual {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
        }

        .guide-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/11;
            opacity: 0.92;
        }

        .guide-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(30,34,40,0.85) 0%, rgba(30,34,40,0.3) 60%, transparent 100%);
            padding: 32px 24px 20px;
            color: #ffffff;
        }

        .guide-visual-overlay h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: #ffffff;
        }

        .guide-visual-overlay p {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.8);
            margin: 0;
        }

        .guide-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .guide-step {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .guide-step:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .guide-step-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 800;
            font-size: 0.95rem;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .guide-step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--color-text);
        }

        .guide-step-content p {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-wrap .accordion {
            border: none;
            margin: 0;
        }

        .faq-wrap .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            background: #ffffff;
            transition: box-shadow 0.25s ease;
        }

        .faq-wrap .accordion-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-wrap .accordion-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            padding: 16px 20px;
            background: #ffffff;
            transition: background 0.25s ease, color 0.25s ease;
            position: relative;
        }

        .faq-wrap .accordion-title:hover {
            background: #F8F9FB;
            color: var(--color-accent);
        }

        .faq-wrap .accordion-item.is-active .accordion-title {
            background: #F8F9FB;
            color: var(--color-accent);
        }

        .faq-wrap .accordion-content {
            background: #F8F9FB;
            padding: 12px 20px 18px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--color-border);
        }

        .faq-wrap .accordion-content p {
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-banner-left {
            flex: 1;
            min-width: 260px;
        }

        .cta-banner-left h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .cta-banner-left p {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.75);
            margin: 0;
            line-height: 1.7;
        }

        .cta-banner-right {
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.95rem;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        .btn-primary:hover {
            background: #D18F2E;
            color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(232,163,61,0.4);
            transform: translateY(-2px);
        }

        /* ========== BACK HOME ========== */
        .back-home-wrap {
            text-align: center;
            padding: 16px 0;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
        }

        .btn-back-home:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(232,163,61,0.06);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 48px 0 24px;
        }

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

        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--color-footer-text);
            line-height: 1.7;
            margin: 0;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--color-footer-text);
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-footer-text);
        }

        .footer-bottom a {
            color: var(--color-footer-text);
            transition: color 0.25s ease;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .strategy-card-img {
                flex-basis: 220px;
                min-height: 160px;
            }

            .snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .guide-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .guide-visual {
                min-height: 240px;
            }

            .cta-banner {
                padding: 32px 28px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 8px 12px 0;
            }

            .site-header.is-sticky {
                left: 4px;
                right: 4px;
                padding: 4px 12px 0;
            }

            .nav-shell {
                padding: 8px 16px;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(30,34,40,0.97);
                border-radius: 0 0 16px 16px;
                padding: 20px 24px;
                gap: 16px;
                box-shadow: 0 16px 32px rgba(0,0,0,0.2);
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu li a {
                color: #E5E7EB;
                font-size: 1rem;
                display: block;
                padding: 6px 0;
            }

            .nav-menu li a.active {
                color: var(--color-accent);
            }

            .nav-toggle {
                display: block;
            }

            .page-header {
                padding: 32px 0 24px;
            }

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

            .page-header .page-intro {
                font-size: 0.95rem;
            }

            .section {
                padding: var(--space-section-mobile) 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .strategy-card {
                flex-direction: column;
            }

            .strategy-card-img {
                flex-basis: auto;
                width: 100%;
                min-height: 180px;
            }

            .strategy-card-body {
                padding: 16px 18px;
            }

            .snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .snapshot-number {
                font-size: 1.5rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .cta-banner {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }

            .cta-banner-left h2 {
                font-size: 1.25rem;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: var(--gutter-mobile);
                padding-right: var(--gutter-mobile);
            }

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

            .strategy-card-img {
                min-height: 150px;
            }

            .snapshot-grid {
                grid-template-columns: 1fr 1fr;
            }

            .snapshot-card {
                padding: 14px 12px;
            }

            .snapshot-number {
                font-size: 1.3rem;
            }

            .snapshot-label {
                font-size: 0.78rem;
            }

            .guide-step {
                padding: 16px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1E2228;
            --color-accent: #E8A33D;
            --color-bg: #F6F7F9;
            --color-text: #1E2228;
            --color-text-secondary: #5A6472;
            --color-text-light: #A0A6B0;
            --color-border: #E5E7EB;
            --color-highlight: #34D399;
            --color-footer-bg: #16191D;
            --color-footer-text: #A0A6B0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-nav: 16px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-nav: 0 4px 16px rgba(0,0,0,0.08);
            --space-section: 60px;
            --space-section-mobile: 40px;
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
            --max-width: 1200px;
            --gutter-desktop: 24px;
            --gutter-mobile: 16px;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }

        a:hover {
            color: var(--color-accent);
        }

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

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--gutter-desktop);
            padding-right: var(--gutter-desktop);
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }

        h1 {
            font-size: 2.25rem;
            line-height: 1.25;
            font-weight: 700;
        }

        h2 {
            font-size: 1.75rem;
            line-height: 1.3;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        h3 {
            font-size: 1.25rem;
            line-height: 1.4;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        h4 {
            font-size: 1rem;
            line-height: 1.4;
            font-weight: 600;
        }

        p {
            margin: 0 0 1em;
        }

        ul, ol {
            margin: 0 0 1em;
            padding-left: 1.25rem;
        }

        .section {
            padding: var(--space-section) 0;
        }

        .section-alt {
            background: #ffffff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 2rem;
            max-width: 720px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: relative;
            z-index: 100;
            padding: 12px 20px 0;
            transition: all 0.3s ease;
        }

        .site-header.is-sticky {
            position: fixed;
            top: 0;
            left: 8px;
            right: 8px;
            padding: 8px 20px 0;
        }

        .nav-shell {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-nav);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background 0.3s ease, box-shadow 0.3s ease;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .site-header.is-sticky .nav-shell {
            background: rgba(30,34,40,0.95);
            box-shadow: 0 8px 24px rgba(0,0,0,0.18);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-text);
            white-space: nowrap;
            transition: color 0.3s ease;
        }

        .site-header.is-sticky .nav-logo {
            color: #ffffff;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            padding: 4px 6px;
            position: relative;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .site-header.is-sticky .nav-menu li a {
            color: #E5E7EB;
        }

        .nav-menu li a:hover {
            color: var(--color-accent);
        }

        .nav-menu li a.active {
            color: var(--color-accent);
        }

        .nav-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 6px;
            right: 6px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 4px 8px;
            transition: color 0.3s ease;
        }

        .site-header.is-sticky .nav-toggle {
            color: #ffffff;
        }

        .nav-toggle:hover {
            color: var(--color-accent);
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.5;
            cursor: pointer;
            border: none;
            text-decoration: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn:focus {
            outline: 2px solid rgba(232,163,61,0.3);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
        }

        .btn-primary:hover {
            background: #D18F2E;
            color: var(--color-primary);
            box-shadow: 0 6px 18px rgba(232,163,61,0.35);
            transform: translateY(-1px);
        }

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

        .btn-secondary:hover {
            background: var(--color-primary);
            color: #ffffff;
            border-color: var(--color-primary);
        }

        .btn-outline-light {
            background: transparent;
            color: #ffffff;
            border: 1px solid rgba(255,255,255,0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255,255,255,0.15);
            border-color: #ffffff;
            color: #ffffff;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }

        .btn-link {
            color: var(--color-accent);
            font-weight: 600;
            padding: 0;
            background: none;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            transition: color 0.25s ease;
        }

        .btn-link:hover {
            color: #D18F2E;
        }

        .btn-link i {
            font-size: 0.8rem;
            transition: transform 0.25s ease;
        }

        .btn-link:hover i {
            transform: translateX(4px);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }

        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-nav .sep {
            color: var(--color-text-light);
            font-size: 0.75rem;
        }

        .breadcrumb-nav .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ========== PAGE HEADER (分类页头，紧凑版) ========== */
        .page-header {
            padding: 40px 0 20px;
        }

        .page-header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--gutter-desktop);
        }

        .page-header-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .page-header-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 780px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== CARDS ========== */
        .card {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .card-media {
            position: relative;
            overflow: hidden;
        }

        .card-media img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card:hover .card-media img {
            transform: scale(1.03);
        }

        .card-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            z-index: 5;
            letter-spacing: 0.02em;
        }

        .card-body {
            padding: 18px 20px 20px;
        }

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

        .card-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            background: #F3F4F6;
            color: var(--color-text-secondary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .tag-highlight {
            background: rgba(232,163,61,0.12);
            color: #B8791A;
        }

        .tag-green {
            background: rgba(52,211,153,0.12);
            color: #0B9E6F;
        }

        /* ========== STATISTIC CARDS ========== */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

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

        .stat-value .stat-suffix {
            font-size: 1.1rem;
            color: var(--color-accent);
            font-weight: 600;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== TIMELINE / MILESTONE ========== */
        .milestone-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        /* ========== RECOMMENDATION LIST ========== */
        .rec-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rec-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
        }

        .rec-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(232,163,61,0.4);
        }

        .rec-icon {
            width: 40px;
            height: 40px;
            background: rgba(232,163,61,0.12);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .rec-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--color-text);
        }

        .rec-content p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* ========== GUIDE / SERVICE PANEL ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .guide-card {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .guide-icon {
            width: 48px;
            height: 48px;
            background: rgba(232,163,61,0.12);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        .guide-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .guide-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

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

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            background: #ffffff;
            border: none;
            width: 100%;
            text-align: left;
            transition: background 0.3s ease;
            font-family: inherit;
        }

        .faq-question:hover {
            background: #F8F9FB;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--color-accent);
            transition: transform 0.3s ease;
            font-size: 0.9rem;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            background: #F8F9FB;
            border-top: none;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 16px 20px;
            border-top: 1px solid var(--color-border);
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: 0 12px 32px rgba(0,0,0,0.18);
        }

        .cta-banner-content h2 {
            color: #ffffff;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .cta-banner-content p {
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
            margin-bottom: 0;
            max-width: 520px;
        }

        .cta-banner-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== BACK HOME ========== */
        .back-home {
            text-align: center;
            padding: 20px 0 40px;
        }

        .back-home-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }

        .back-home-link:hover {
            color: var(--color-accent);
        }

        .back-home-link i {
            font-size: 0.85rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 48px 0 24px;
            margin-top: 0;
        }

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

        .footer-brand h3 {
            color: #ffffff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--color-footer-text);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--color-footer-text);
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 16px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 0.85rem;
            color: var(--color-footer-text);
        }

        .footer-bottom a {
            color: var(--color-footer-text);
            transition: color 0.25s ease;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .milestone-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 8px 12px 0;
            }
            .site-header.is-sticky {
                left: 4px;
                right: 4px;
                padding: 4px 12px 0;
            }
            .nav-shell {
                padding: 8px 16px;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(30,34,40,0.97);
                border-radius: 0 0 16px 16px;
                padding: 20px 24px;
                gap: 16px;
                box-shadow: 0 16px 32px rgba(0,0,0,0.2);
                z-index: 99;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                color: #E5E7EB;
                font-size: 1rem;
                padding: 8px 0;
            }
            .nav-menu li a.active {
                color: var(--color-accent);
            }
            .nav-toggle {
                display: block;
            }
            h1, .page-header-title {
                font-size: 1.75rem;
            }
            h2, .section-title {
                font-size: 1.45rem;
            }
            .container, .page-header-inner {
                padding-left: var(--gutter-mobile);
                padding-right: var(--gutter-mobile);
            }
            .section {
                padding: var(--space-section-mobile) 0;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-value {
                font-size: 1.6rem;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .milestone-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .rec-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .page-header {
                padding: 24px 0 12px;
            }
        }

        @media (max-width: 520px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .card-title {
                font-size: 0.95rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.7rem;
            }
        }