/* roulang page: index */
:root {
            --color-brand-500: #22c55e;
            --color-brand-600: #16a34a;
            --color-brand-700: #15803d;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-surface-card: #ffffff;
            --color-surface-muted: #f1f5f9;
            --color-text-primary: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            background-color: #fafbfc;
            color: #0f172a;
            overflow-x: hidden;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* Sticky Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid #e2e8f0;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.925rem;
            color: #475569;
            padding: 0.5rem 0.75rem;
            border-radius: 0.5rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #16a34a;
            background: #f0fdf4;
        }
        .nav-link.active {
            color: #16a34a;
            background: #dcfce7;
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #16a34a;
            border-radius: 2px;
        }

        /* Mobile nav */
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 1rem 1.5rem;
            gap: 0.25rem;
            z-index: 99;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 1024px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-toggle {
                display: flex !important;
            }
        }
        @media (min-width: 1025px) {
            .mobile-toggle {
                display: none !important;
            }
            .mobile-menu {
                display: none !important;
            }
        }

        /* Hero */
        .hero-bg {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            position: relative;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.7) 60%, rgba(0, 0, 0, 0.85) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }

        /* Category nav pills on hero */
        .hero-cat-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.1rem;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 2rem;
            color: #fff;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }
        .hero-cat-pill:hover {
            background: rgba(255, 255, 255, 0.28);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
        }

        /* Cards */
        .card-hover {
            transition: all var(--transition-smooth);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        /* Table */
        .compare-table th,
        .compare-table td {
            padding: 1rem 1.25rem;
            text-align: center;
            border-bottom: 1px solid #e2e8f0;
        }
        .compare-table th {
            background: #f8fafc;
            font-weight: 600;
            color: #0f172a;
            font-size: 0.9rem;
        }
        .compare-table td {
            font-size: 0.875rem;
            color: #475569;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .highlight-col {
            background: #f0fdf4;
            position: relative;
        }
        .compare-table .highlight-col::before {
            content: '推荐';
            position: absolute;
            top: -10px;
            right: 1rem;
            background: #f97316;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 1rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            background: #fafcfb;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-icon {
            transition: transform 0.3s ease;
            font-size: 1.5rem;
            color: #94a3b8;
            flex-shrink: 0;
        }

        /* Section */
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #0f172a;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: #64748b;
            line-height: 1.7;
            max-width: 640px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Badge */
        .badge-green {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            background: #dcfce7;
            color: #15803d;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.3px;
        }
        .badge-orange {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            background: #fff7ed;
            color: #c2410c;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.3px;
        }

        /* CTA button */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            background: #16a34a;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 2.5rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(22, 163, 74, 0.3);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #15803d;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(22, 163, 74, 0.4);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            background: transparent;
            color: #16a34a;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 2.5rem;
            border: 2px solid #16a34a;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: #f0fdf4;
            transform: translateY(-2px);
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            background: #fff;
            color: #0f172a;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 2.5rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-white:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }

        /* Bottom sticky bar */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: #fff;
            border-top: 1px solid #e2e8f0;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        @media (max-width: 640px) {
            .bottom-sticky-bar {
                flex-direction: column;
                gap: 0.5rem;
                padding: 0.6rem 1rem;
            }
            .bottom-sticky-bar .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }

        /* Pulse animation for live indicator */
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }
        .live-dot {
            width: 9px;
            height: 9px;
            background: #ef4444;
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 1.6s infinite;
        }

/* roulang page: category1 */
:root {
            --color-brand-500: #22c55e;
            --color-brand-600: #16a34a;
            --color-brand-700: #15803d;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-surface-card: #ffffff;
            --color-surface-muted: #f1f5f9;
            --color-text-primary: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --radius-3xl: 1.25rem;
            --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 20px 40px -8px rgba(0, 0, 0, 0.12), 0 10px 20px -6px rgba(0, 0, 0, 0.08);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            background-color: #fafbfc;
            color: #0f172a;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid #e2e8f0;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.925rem;
            color: #475569;
            padding: 0.5rem 0.75rem;
            border-radius: 0.5rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #16a34a;
            background: #f0fdf4;
        }

        .nav-link.active {
            color: #16a34a;
            background: #dcfce7;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #16a34a;
            border-radius: 2px;
        }

        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 1rem 1.5rem;
            gap: 0.25rem;
            z-index: 99;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 1024px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-toggle {
                display: flex !important;
            }
            .desktop-search-cta {
                display: none !important;
            }
        }

        @media (min-width: 1025px) {
            .mobile-toggle {
                display: none !important;
            }
            .mobile-menu {
                display: none !important;
            }
            .desktop-nav-links {
                display: flex !important;
            }
            .desktop-search-cta {
                display: flex !important;
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background: #16a34a;
            color: #fff;
            font-weight: 600;
            border-radius: 2rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: #15803d;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px -6px rgba(22, 163, 74, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background: transparent;
            color: #16a34a;
            font-weight: 600;
            border-radius: 2rem;
            border: 2px solid #16a34a;
            cursor: pointer;
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: #f0fdf4;
            border-color: #15803d;
            color: #15803d;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(22, 163, 74, 0.15);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background: #f97316;
            color: #fff;
            font-weight: 600;
            border-radius: 2rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px -6px rgba(249, 115, 22, 0.4);
        }

        .card-hover {
            transition: all var(--transition-smooth);
            background: #fff;
            border-radius: var(--radius-2xl);
            border: 1px solid #e2e8f0;
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: #cbd5e1;
        }

        .hero-bg-live {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
        }

        .hero-bg-live::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.72) 55%, rgba(0, 0, 0, 0.88) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .play-btn-large {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            border: 3px solid rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-bounce);
            position: relative;
            animation: pulse-ring 2.5s ease-out infinite;
        }

        .play-btn-large:hover {
            background: rgba(255, 255, 255, 0.35);
            border-color: rgba(255, 255, 255, 0.75);
            transform: scale(1.1);
            box-shadow: 0 0 60px rgba(255, 255, 255, 0.3);
        }

        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
            }
            70% {
                box-shadow: 0 0 0 30px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }

        .play-btn-large .play-triangle {
            width: 0;
            height: 0;
            border-left: 22px solid #fff;
            border-top: 14px solid transparent;
            border-bottom: 14px solid transparent;
            margin-left: 5px;
            filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
        }

        .score-ticker-wrap {
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 3rem;
            padding: 0.6rem 1.2rem;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            overflow: hidden;
            max-width: 100%;
        }

        .score-ticker-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            animation: blink-dot 1.2s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 8px #22c55e;
            }
            50% {
                opacity: 0.3;
                box-shadow: 0 0 2px #22c55e;
            }
        }

        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.3);
        }

        @media (max-width: 640px) {
            .sticky-bottom-bar {
                padding: 0.6rem 1rem;
                gap: 0.8rem;
                flex-direction: column;
                text-align: center;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.85rem;
            }
            .play-btn-large {
                width: 65px;
                height: 65px;
            }
            .play-btn-large .play-triangle {
                border-left-width: 16px;
                border-top-width: 10px;
                border-bottom-width: 10px;
                margin-left: 4px;
            }
            .hero-bg-live {
                min-height: 420px;
            }
        }

        .faq-item {
            border: 1px solid #e2e8f0;
            border-radius: var(--radius-xl);
            padding: 1.25rem 1.5rem;
            background: #fff;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: #cbd5e1;
            box-shadow: var(--shadow-card);
            background: #fafcfd;
        }

        .faq-item summary {
            font-weight: 600;
            font-size: 1.05rem;
            color: #0f172a;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            cursor: pointer;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f0fdf4;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform var(--transition-smooth);
            color: #16a34a;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: #dcfce7;
        }

        .faq-item .faq-answer {
            margin-top: 0.8rem;
            color: #475569;
            line-height: 1.75;
            font-size: 0.95rem;
            padding-top: 0.8rem;
            border-top: 1px solid #f1f5f9;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 1.5rem 1.8rem;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #22c55e;
            transform: translateY(-3px);
        }

        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: #16a34a;
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 1.8rem;
            border: 1px solid #e2e8f0;
            position: relative;
            transition: all var(--transition-smooth);
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 0.5rem;
            left: 1.2rem;
            font-size: 4rem;
            color: #dcfce7;
            font-weight: 700;
            line-height: 1;
            pointer-events: none;
            font-family: Georgia, serif;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #cbd5e1;
        }

        .section-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            background: #dcfce7;
            color: #15803d;
            font-weight: 600;
            font-size: 0.8rem;
            border-radius: 2rem;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .section-badge-accent {
            display: inline-block;
            padding: 0.35rem 1rem;
            background: #fff7ed;
            color: #c2410c;
            font-weight: 600;
            font-size: 0.8rem;
            border-radius: 2rem;
            letter-spacing: 0.03em;
        }

        .divider-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #cbd5e1;
            flex-shrink: 0;
        }

        footer a {
            transition: color 0.2s;
        }

        footer a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .hero-bg-live {
                min-height: 400px;
            }
        }

/* roulang page: category3 */
:root {
            --color-brand-500: #22c55e;
            --color-brand-600: #16a34a;
            --color-brand-700: #15803d;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-surface-card: #ffffff;
            --color-surface-muted: #f1f5f9;
            --color-text-primary: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            background-color: #fafbfc;
            color: #0f172a;
            overflow-x: hidden;
            padding-bottom: 0;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* Sticky Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid #e2e8f0;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.925rem;
            color: #475569;
            padding: 0.5rem 0.75rem;
            border-radius: 0.5rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #16a34a;
            background: #f0fdf4;
        }

        .nav-link.active {
            color: #16a34a;
            background: #dcfce7;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #16a34a;
            border-radius: 2px;
        }

        /* Mobile nav */
        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 1rem 1.5rem;
            gap: 0.25rem;
            z-index: 99;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 1023px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-toggle {
                display: flex !important;
            }
        }

        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none !important;
            }
            .mobile-menu {
                display: none !important;
            }
            .desktop-nav-links {
                display: flex !important;
            }
        }

        /* Hero */
        .hero-bg {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            position: relative;
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.72) 55%, rgba(0, 0, 0, 0.88) 100%);
            z-index: 1;
        }

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

        /* Cards */
        .card-hover {
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

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

        /* Explosion badge */
        .explosion-badge {
            position: absolute;
            top: -8px;
            right: -8px;
            background: #f97316;
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 0.45rem 0.9rem;
            border-radius: 999px;
            transform: rotate(8deg);
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.45);
            animation: pulse-badge 2s ease-in-out infinite;
            z-index: 5;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 4px 16px rgba(249, 115, 22, 0.45);
            }
            50% {
                box-shadow: 0 8px 28px rgba(249, 115, 22, 0.7);
            }
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.25rem 0;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .faq-item:first-child {
            border-top: 1px solid #e2e8f0;
        }
        .faq-item:hover .faq-question {
            color: #16a34a;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.75rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-icon {
            transition: transform 0.3s ease;
        }

        /* Bottom sticky bar */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: #0f172a;
            border-top: 2px solid #22c55e;
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
            animation: slideUp 0.5s ease;
        }

        @keyframes slideUp {
            from {
                transform: translateY(100%);
            }
            to {
                transform: translateY(0);
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.7rem 1.6rem;
            background: #22c55e;
            color: #fff;
            font-weight: 600;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: #16a34a;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(22, 163, 74, 0.35);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.7rem 1.6rem;
            background: #f97316;
            color: #fff;
            font-weight: 600;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }

        .btn-accent:hover {
            background: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(234, 88, 12, 0.35);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.65rem 1.5rem;
            background: transparent;
            color: #fff;
            font-weight: 500;
            border-radius: 999px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            font-size: 0.95rem;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* Section spacing */
        .section-padding {
            padding: 3.5rem 0;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding: 5rem 0;
            }
        }

        @media (min-width: 1024px) {
            .section-padding {
                padding: 6rem 0;
            }
        }

        /* Table styles */
        .standings-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            background: #fff;
            border-radius: 0.75rem;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .standings-table thead th {
            background: #1e293b;
            color: #fff;
            padding: 0.85rem 0.75rem;
            font-weight: 600;
            font-size: 0.85rem;
            text-align: center;
            white-space: nowrap;
        }
        .standings-table tbody td {
            padding: 0.7rem 0.75rem;
            text-align: center;
            border-bottom: 1px solid #f1f5f9;
            white-space: nowrap;
        }
        .standings-table tbody tr:hover {
            background: #f0fdf4;
        }
        .standings-table .team-cell {
            text-align: left;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .standings-table .rank-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .rank-dot.top {
            background: #22c55e;
        }
        .rank-dot.mid {
            background: #f59e0b;
        }
        .rank-dot.low {
            background: #ef4444;
        }

        @media (max-width: 640px) {
            .standings-table {
                font-size: 0.75rem;
            }
            .standings-table thead th,
            .standings-table tbody td {
                padding: 0.5rem 0.4rem;
            }
        }

        /* Testimonial card */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            position: relative;
            border-left: 4px solid #22c55e;
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        /* Scrollbar */
        .overflow-x-auto::-webkit-scrollbar {
            height: 6px;
        }
        .overflow-x-auto::-webkit-scrollbar-track {
            background: #f1f5f9;
            border-radius: 3px;
        }
        .overflow-x-auto::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 3px;
        }

/* roulang page: category2 */
:root {
            --color-brand-500: #22c55e;
            --color-brand-600: #16a34a;
            --color-brand-700: #15803d;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-surface-card: #ffffff;
            --color-surface-muted: #f1f5f9;
            --color-text-primary: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            background-color: #fafbfc;
            color: #0f172a;
            overflow-x: hidden;
            padding-bottom: 72px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* Sticky Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid #e2e8f0;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.925rem;
            color: #475569;
            padding: 0.5rem 0.75rem;
            border-radius: 0.5rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #16a34a;
            background: #f0fdf4;
        }

        .nav-link.active {
            color: #16a34a;
            background: #dcfce7;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #16a34a;
            border-radius: 2px;
        }

        /* Mobile nav */
        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 1rem 1.5rem;
            gap: 0.25rem;
            z-index: 99;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 1024px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-toggle {
                display: flex !important;
            }
            .desktop-search-cta {
                display: none !important;
            }
        }

        @media (min-width: 1025px) {
            .mobile-toggle {
                display: none !important;
            }
            .mobile-menu {
                display: none !important;
            }
            .desktop-nav-links {
                display: flex !important;
            }
            .desktop-search-cta {
                display: flex !important;
            }
        }

        /* Cards */
        .card-hover {
            transition: all var(--transition-smooth);
        }

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

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            background: var(--color-brand-600);
            color: #fff;
            font-weight: 600;
            border-radius: 0.75rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: var(--color-brand-700);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(22, 163, 74, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(22, 163, 74, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.4rem;
            background: transparent;
            color: var(--color-brand-600);
            font-weight: 600;
            border-radius: 0.75rem;
            border: 2px solid var(--color-brand-600);
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            font-size: 0.95rem;
        }

        .btn-outline:hover {
            background: #f0fdf4;
            border-color: var(--color-brand-700);
            color: var(--color-brand-700);
            transform: translateY(-2px);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            background: var(--color-accent-500);
            color: #fff;
            font-weight: 600;
            border-radius: 0.75rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            font-size: 0.95rem;
        }

        .btn-accent:hover {
            background: var(--color-accent-600);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(249, 115, 22, 0.35);
        }

        /* Hero */
        .hero-bg {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            position: relative;
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.7) 60%, rgba(0, 0, 0, 0.88) 100%);
            z-index: 1;
        }

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

        /* Featured card */
        .featured-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 2rem;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
            position: relative;
            border: 2px solid var(--color-brand-500);
        }

        .featured-card .badge-hot {
            position: absolute;
            top: -14px;
            left: 2rem;
            background: var(--color-accent-500);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4);
        }

        /* Data preview panel */
        .data-preview-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-2xl);
            padding: 1.5rem;
            color: #fff;
        }

        .data-stat-mini {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .data-stat-mini:last-child {
            border-bottom: none;
        }

        /* Stat blocks */
        .stat-block {
            text-align: center;
            padding: 1.5rem;
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }

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

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-brand-600);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        /* Scenario alternating */
        .scenario-block {
            display: flex;
            align-items: center;
            gap: 3rem;
            padding: 2rem 0;
        }

        .scenario-block.reverse {
            flex-direction: row-reverse;
        }

        @media (max-width: 768px) {
            .scenario-block,
            .scenario-block.reverse {
                flex-direction: column;
                gap: 1.5rem;
            }
        }

        /* Compare table */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 700px;
        }

        .compare-table th,
        .compare-table td {
            padding: 1rem 1.2rem;
            text-align: center;
            border-bottom: 1px solid #e2e8f0;
        }

        .compare-table th {
            background: #f8fafc;
            font-weight: 700;
            color: #0f172a;
            font-size: 0.9rem;
            position: sticky;
            top: 0;
        }

        .compare-table .highlight-col {
            background: #f0fdf4;
            position: relative;
            border-left: 2px solid var(--color-brand-500);
            border-right: 2px solid var(--color-brand-500);
        }

        .compare-table .highlight-col::before {
            content: '推荐';
            position: absolute;
            top: -10px;
            right: 0.75rem;
            background: #f97316;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 1rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            z-index: 2;
            white-space: nowrap;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid #e2e8f0;
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
            background: #fff;
        }

        .faq-item:hover {
            border-color: #cbd5e1;
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            color: #0f172a;
            font-size: 1rem;
            user-select: none;
        }

        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: #475569;
            line-height: 1.75;
            display: none;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--color-brand-600);
        }

        .faq-icon {
            transition: transform 0.3s ease;
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            color: #94a3b8;
        }

        /* Sticky bottom bar */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: #0f172a;
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
            flex-wrap: wrap;
        }

        .sticky-bottom-bar .bar-text {
            color: #fff;
            font-weight: 500;
            font-size: 0.95rem;
            text-align: center;
        }

        .sticky-bottom-bar .bar-highlight {
            color: #f97316;
            font-weight: 700;
        }

        @media (max-width: 640px) {
            .sticky-bottom-bar {
                padding: 0.6rem 1rem;
                gap: 0.75rem;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.8rem;
            }
            .sticky-bottom-bar .btn-accent {
                padding: 0.55rem 1rem;
                font-size: 0.8rem;
                border-radius: 0.6rem;
            }
            body {
                padding-bottom: 62px;
            }
        }

        @media (min-width: 641px) {
            body {
                padding-bottom: 72px;
            }
        }

        /* Testimonial */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            border-left: 4px solid var(--color-brand-500);
            transition: all var(--transition-smooth);
        }

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

        /* Section spacing */
        .section-spacing {
            padding: 4rem 0;
        }

        @media (max-width: 768px) {
            .section-spacing {
                padding: 2.5rem 0;
            }
        }

        /* Badge */
        .badge-tag {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            background: #dcfce7;
            color: #15803d;
            font-weight: 600;
            font-size: 0.8rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
        }

        .badge-outline {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border: 1.5px solid #e2e8f0;
            color: #64748b;
            font-weight: 500;
            font-size: 0.8rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
        }

        /* Enhanced section titles */
        .section-eyebrow {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-brand-600);
            margin-bottom: 0.5rem;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: #0f172a;
            line-height: 1.3;
            letter-spacing: -0.02em;
        }

        @media (max-width: 640px) {
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* Pulse animation for live indicator */
        @keyframes pulseDot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }
        .live-dot {
            width: 10px;
            height: 10px;
            background: #ef4444;
            border-radius: 50%;
            display: inline-block;
            animation: pulseDot 1.5s ease-in-out infinite;
            margin-right: 0.35rem;
            flex-shrink: 0;
        }

/* roulang page: category4 */
:root {
            --color-brand-500: #22c55e;
            --color-brand-600: #16a34a;
            --color-brand-700: #15803d;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-surface-card: #ffffff;
            --color-surface-muted: #f1f5f9;
            --color-text-primary: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            background-color: #fafbfc;
            color: #0f172a;
            overflow-x: hidden;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid #e2e8f0;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.925rem;
            color: #475569;
            padding: 0.5rem 0.75rem;
            border-radius: 0.5rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #16a34a;
            background: #f0fdf4;
        }

        .nav-link.active {
            color: #16a34a;
            background: #dcfce7;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #16a34a;
            border-radius: 2px;
        }

        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 1rem 1.5rem;
            gap: 0.25rem;
            z-index: 99;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--color-brand-600);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            border-radius: 2rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: var(--color-brand-700);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(22, 163, 74, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(22, 163, 74, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--color-brand-600);
            font-weight: 600;
            padding: 0.7rem 1.4rem;
            border-radius: 2rem;
            border: 2px solid var(--color-brand-600);
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            font-size: 0.95rem;
        }

        .btn-outline:hover {
            background: var(--color-brand-600);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(22, 163, 74, 0.25);
        }

        .card-hover {
            transition: all var(--transition-smooth);
            background: #fff;
            border-radius: var(--radius-2xl);
            box-shadow: var(--shadow-card);
            border: 1px solid #e2e8f0;
        }

        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: #cbd5e1;
        }

        .hero-bg-team {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            position: relative;
        }

        .hero-bg-team::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.75) 0%, rgba(0, 20, 10, 0.7) 40%, rgba(0, 0, 0, 0.82) 100%);
            z-index: 1;
        }

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

        .vertical-phone-mockup {
            width: 180px;
            height: 340px;
            background: #1a1a2e;
            border-radius: 28px;
            border: 4px solid #2d2d44;
            overflow: hidden;
            position: relative;
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
            flex-shrink: 0;
        }

        .vertical-phone-mockup .phone-notch {
            width: 60px;
            height: 6px;
            background: #0f0f1a;
            border-radius: 0 0 12px 12px;
            margin: 0 auto;
            position: relative;
            z-index: 5;
        }

        .phone-screen-content {
            padding: 12px;
            color: #fff;
            font-size: 0.65rem;
            line-height: 1.5;
        }

        .phone-screen-content .mini-stat {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            padding: 8px 10px;
            margin-bottom: 6px;
            font-size: 0.6rem;
        }

        .stat-badge {
            display: inline-block;
            background: var(--color-brand-600);
            color: #fff;
            padding: 0.15rem 0.55rem;
            border-radius: 1rem;
            font-size: 0.7rem;
            font-weight: 600;
        }

        .glow-dot {
            width: 8px;
            height: 8px;
            background: #22c55e;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
            display: inline-block;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(34, 197, 94, 0);
            }
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #dcfce7;
            color: #15803d;
            font-weight: 600;
            font-size: 0.8rem;
            padding: 0.35rem 0.9rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
        }

        .feature-icon-box {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .feature-icon-box.green {
            background: #dcfce7;
            color: #16a34a;
        }
        .feature-icon-box.amber {
            background: #fef3c7;
            color: #d97706;
        }
        .feature-icon-box.blue {
            background: #dbeafe;
            color: #2563eb;
        }
        .feature-icon-box.rose {
            background: #ffe4e6;
            color: #e11d48;
        }

        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid #e2e8f0;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            z-index: 90;
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            color: var(--color-brand-600);
        }

        .faq-item summary {
            font-weight: 600;
            font-size: 1.05rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .arrow-icon {
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            color: #94a3b8;
        }

        .faq-item[open] summary .arrow-icon {
            transform: rotate(180deg);
            color: var(--color-brand-600);
        }

        .faq-item .faq-answer {
            padding-top: 0.8rem;
            color: #475569;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        @media (max-width: 1024px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-toggle {
                display: flex !important;
            }
            .vertical-phone-mockup {
                width: 140px;
                height: 270px;
                border-radius: 22px;
            }
            .vertical-phone-mockup .phone-notch {
                width: 46px;
                height: 5px;
            }
            .phone-screen-content {
                font-size: 0.55rem;
            }
        }

        @media (min-width: 1025px) {
            .desktop-nav-links {
                display: flex !important;
            }
            .mobile-toggle {
                display: none !important;
            }
            .mobile-menu {
                display: none !important;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
            .vertical-phone-mockup {
                width: 120px;
                height: 230px;
                border-radius: 18px;
                border-width: 3px;
            }
            .vertical-phone-mockup .phone-notch {
                width: 38px;
                height: 4px;
            }
            .phone-screen-content {
                padding: 8px;
                font-size: 0.5rem;
            }
            .sticky-bottom-bar {
                padding: 0.6rem 1rem;
                gap: 0.5rem;
                flex-direction: column;
                text-align: center;
            }
            .sticky-bottom-bar .btn-primary {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .vertical-phone-mockup {
                width: 100px;
                height: 195px;
                border-radius: 16px;
                border-width: 2.5px;
            }
            .vertical-phone-mockup .phone-notch {
                width: 30px;
                height: 3.5px;
                border-radius: 0 0 8px 8px;
            }
            .phone-screen-content {
                padding: 6px;
                font-size: 0.45rem;
            }
            .hero-title {
                font-size: 1.6rem !important;
            }
            .hero-subtitle {
                font-size: 0.9rem !important;
            }
        }

/* roulang page: category6 */
:root {
            --color-brand-500: #22c55e;
            --color-brand-600: #16a34a;
            --color-brand-700: #15803d;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-surface-card: #ffffff;
            --color-surface-muted: #f1f5f9;
            --color-text-primary: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            background-color: #fafbfc;
            color: #0f172a;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* Sticky Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid #e2e8f0;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.925rem;
            color: #475569;
            padding: 0.5rem 0.75rem;
            border-radius: 0.5rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #16a34a;
            background: #f0fdf4;
        }

        .nav-link.active {
            color: #16a34a;
            background: #dcfce7;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #16a34a;
            border-radius: 2px;
        }

        /* Mobile nav */
        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 1rem 1.5rem;
            gap: 0.25rem;
            z-index: 99;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 1023px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-toggle {
                display: flex !important;
            }
            .desktop-search-cta {
                display: none !important;
            }
        }

        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none !important;
            }
            .mobile-menu {
                display: none !important;
            }
            .desktop-nav-links {
                display: flex !important;
            }
            .desktop-search-cta {
                display: flex !important;
            }
        }

        /* Hero */
        .hero-bg {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            position: relative;
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.7) 60%, rgba(0, 0, 0, 0.85) 100%);
            z-index: 1;
        }

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

        /* Cards */
        .card-hover {
            transition: all var(--transition-smooth);
        }

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

        /* Countdown */
        .countdown-digit {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 0.75rem;
            padding: 0.6rem 0.9rem;
            min-width: 3.5rem;
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1;
            display: inline-block;
        }

        @media (max-width: 640px) {
            .countdown-digit {
                font-size: 1.5rem;
                min-width: 2.8rem;
                padding: 0.5rem 0.6rem;
                border-radius: 0.5rem;
            }
        }

        .countdown-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-top: 0.3rem;
            text-align: center;
        }

        /* Bottom fixed CTA bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        @media (max-width: 640px) {
            .bottom-cta-bar {
                padding: 0.6rem 1rem;
                gap: 0.5rem;
                flex-direction: column;
                text-align: center;
            }
            body {
                padding-bottom: 100px;
            }
        }

        /* FAQ */
        .faq-item {
            border: 1px solid #e2e8f0;
            border-radius: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-smooth);
            background: #fff;
        }

        .faq-item:hover {
            border-color: #cbd5e1;
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: #0f172a;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            list-style: none;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 300;
            color: #94a3b8;
            transition: transform 0.3s ease;
            flex-shrink: 0;
            line-height: 1;
        }

        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
            color: #16a34a;
        }

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: #475569;
            line-height: 1.75;
            font-size: 0.95rem;
        }

        /* Pulse animation for live badge */
        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                opacity: 0.85;
                box-shadow: 0 0 0 12px rgba(239, 68, 68, 0);
            }
        }

        .live-pulse {
            animation: pulse-live 2s infinite;
        }

        /* Section spacing */
        .section-spacing {
            padding: 4rem 0;
        }

        @media (max-width: 768px) {
            .section-spacing {
                padding: 2.5rem 0;
            }
        }

        /* Testimonial card */
        .testimonial-card {
            background: #fff;
            border-radius: 1rem;
            padding: 1.5rem;
            border: 1px solid #e2e8f0;
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #d1d5db;
        }

        /* Compare table */
        .compare-table th,
        .compare-table td {
            padding: 0.9rem 1.2rem;
            text-align: center;
            border-bottom: 1px solid #e2e8f0;
        }

        .compare-table th {
            background: #f8fafc;
            font-weight: 600;
            color: #0f172a;
            font-size: 0.9rem;
        }

        .compare-table .highlight-col {
            background: #f0fdf4;
            position: relative;
            border-radius: 0.5rem;
        }

        .compare-table .highlight-col::before {
            content: '推荐';
            position: absolute;
            top: -10px;
            right: 0.5rem;
            background: #f97316;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 1rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        /* Input focus */
        input:focus {
            outline: none;
            ring: 2px solid var(--color-brand-500);
        }

        /* Smooth transitions */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #16a34a;
            color: #fff;
            font-weight: 600;
            padding: 0.7rem 1.5rem;
            border-radius: 2rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #15803d;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #16a34a;
            font-weight: 600;
            padding: 0.65rem 1.4rem;
            border-radius: 2rem;
            border: 2px solid #16a34a;
            cursor: pointer;
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: #f0fdf4;
            border-color: #15803d;
            color: #15803d;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #f97316;
            color: #fff;
            font-weight: 600;
            padding: 0.7rem 1.5rem;
            border-radius: 2rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: #ea580c;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
        }

        /* Badge */
        .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: #ef4444;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 2rem;
            letter-spacing: 0.03em;
        }

        .badge-live .dot {
            width: 7px;
            height: 7px;
            background: #fff;
            border-radius: 50%;
            animation: pulse-live 1.5s infinite;
        }

/* roulang page: category5 */
:root {
            --color-brand-500: #22c55e;
            --color-brand-600: #16a34a;
            --color-brand-700: #15803d;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-surface-card: #ffffff;
            --color-surface-muted: #f1f5f9;
            --color-text-primary: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            background-color: #fafbfc;
            color: #0f172a;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button:focus-visible {
            outline: 2px solid var(--color-brand-500);
            outline-offset: 3px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* Sticky Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid #e2e8f0;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.925rem;
            color: #475569;
            padding: 0.5rem 0.75rem;
            border-radius: 0.5rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #16a34a;
            background: #f0fdf4;
        }

        .nav-link.active {
            color: #16a34a;
            background: #dcfce7;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #16a34a;
            border-radius: 2px;
        }

        /* Mobile nav */
        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 1rem 1.5rem;
            gap: 0.25rem;
            z-index: 99;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 1023px) {
            .desktop-nav-links {
                display: none !important;
            }
            .mobile-toggle {
                display: flex !important;
            }
            .desktop-search-cta {
                display: none !important;
            }
        }

        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none !important;
            }
            .mobile-menu {
                display: none !important;
            }
            .desktop-nav-links {
                display: flex !important;
            }
            .desktop-search-cta {
                display: flex !important;
            }
        }

        /* Card hover */
        .card-hover {
            transition: all var(--transition-smooth);
        }

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

        /* Countdown pulse */
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .countdown-dot {
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        /* Flash badge */
        @keyframes flashBadge {
            0%,
            100% {
                background-color: #f97316;
            }
            50% {
                background-color: #ea580c;
            }
        }
        .flash-badge {
            animation: flashBadge 1.5s ease-in-out infinite;
        }

        /* Bottom sticky bar */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: #0f172a;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 2px solid #22c55e;
            padding: 0.75rem 1rem;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        @media (max-width: 520px) {
            .bottom-sticky-bar {
                gap: 0.5rem;
                padding: 0.6rem 0.75rem;
                flex-direction: column;
                text-align: center;
            }
            body {
                padding-bottom: 110px;
            }
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.25rem 0;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .faq-item:first-child {
            border-top: 1px solid #e2e8f0;
        }
        .faq-item:hover .faq-question {
            color: #16a34a;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-top: 0.75rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-icon {
            transition: transform 0.35s ease;
            flex-shrink: 0;
        }

        /* Section spacing */
        .section-padding {
            padding: 3.5rem 0;
        }
        @media (min-width: 768px) {
            .section-padding {
                padding: 5rem 0;
            }
        }

        /* Step timeline */
        .step-line {
            position: absolute;
            top: 28px;
            left: 50%;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #22c55e, #e2e8f0);
            z-index: 0;
        }
        @media (max-width: 767px) {
            .step-line {
                display: none;
            }
        }

        /* Glow ring */
        .glow-ring {
            box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.12), 0 0 0 14px rgba(34, 197, 94, 0.05);
        }