/* roulang page: index */
:root {
            --color-ink: #111214;
            --color-deep: #0F1115;
            --color-accent: #17D9B2;
            --color-vermilion: #FF4D2E;
            --color-mist: #F5F6F8;
            --color-white: #FFFFFF;
            --color-primarytext: #17191C;
            --color-secondary: #5B6472;
            --color-muted: #8A93A1;
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 10px 30px rgba(17, 18, 20, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(17, 18, 20, 0.12);
            --shadow-dock: 0 8px 28px rgba(17, 18, 20, 0.1);
            --shadow-float: 0 18px 48px rgba(17, 18, 20, 0.16);
            --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            background-color: var(--color-mist);
            color: var(--color-primarytext);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

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

        .container-x {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-x {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-x {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Navigation Dock */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1180px;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: 999px;
            box-shadow: var(--shadow-dock);
            padding: 6px 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }

        .dock-nav.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: 0 12px 32px rgba(17, 18, 20, 0.14);
        }

        .dock-logo {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 12px;
            flex-shrink: 0;
        }

        .dock-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            animation: logoPulse 2.6s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            }
            50% {
                box-shadow: 0 0 0 7px rgba(23, 217, 178, 0.06);
            }
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .dock-links::-webkit-scrollbar {
            display: none;
        }

        .dock-link {
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-secondary);
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
            position: relative;
        }

        .dock-link:hover {
            color: var(--color-ink);
            background: rgba(17, 18, 20, 0.05);
        }

        .dock-link.active {
            color: var(--color-ink);
            background: rgba(23, 217, 178, 0.14);
            font-weight: 700;
        }

        .dock-link.active::after {
            content: '';
            position: absolute;
            bottom: 3px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-accent);
        }

        .dock-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            padding: 0 8px;
        }

        .dock-search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-secondary);
            background: transparent;
            border: 1px solid rgba(17, 18, 20, 0.08);
            transition: all var(--transition-base);
        }

        .dock-search-btn:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
            background: rgba(23, 217, 178, 0.08);
        }

        .dock-subscribe-btn {
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-ink);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .dock-subscribe-btn:hover {
            background: var(--color-accent);
            color: var(--color-ink);
        }

        .dock-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.1);
            background: #fff;
            transition: all var(--transition-base);
        }

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

        /* Mobile Menu */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 17, 21, 0.6);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 300ms ease;
        }

        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(85vw, 360px);
            height: 100vh;
            background: var(--color-deep);
            z-index: 95;
            padding: 100px 32px 40px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: right 350ms cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }

        .mobile-menu-panel.open {
            right: 0;
        }

        .mobile-menu-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            border-radius: 12px;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

        .mobile-menu-link:hover,
        .mobile-menu-link.active {
            background: rgba(23, 217, 178, 0.12);
            border-color: rgba(23, 217, 178, 0.3);
            color: var(--color-accent);
        }

        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 20px;
            transition: all var(--transition-base);
        }

        .mobile-menu-close:hover {
            background: rgba(255, 77, 46, 0.2);
            color: var(--color-vermilion);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            background: var(--color-ink);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.01em;
            border: 2px solid var(--color-ink);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

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

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            background: #fff;
            color: var(--color-ink);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.01em;
            border: 2px solid var(--color-ink);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

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

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-base);
        }

        .btn-ghost-light:hover {
            background: rgba(23, 217, 178, 0.16);
            border-color: rgba(23, 217, 178, 0.5);
            color: var(--color-accent);
        }

        /* Cards */
        .card-base {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid rgba(17, 18, 20, 0.08);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(23, 217, 178, 0.25);
        }

        .card-interactive {
            cursor: pointer;
        }

        /* Section */
        .section-pad {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }

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

        .section-title {
            font-size: 24px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.01em;
            color: var(--color-ink);
        }

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

        .section-subtitle {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-secondary);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .badge-accent {
            background: rgba(23, 217, 178, 0.14);
            color: #0a9b82;
            border: 1px solid rgba(23, 217, 178, 0.3);
        }

        .badge-red {
            background: rgba(255, 77, 46, 0.12);
            color: var(--color-vermilion);
            border: 1px solid rgba(255, 77, 46, 0.3);
        }

        .badge-dark {
            background: rgba(17, 18, 20, 0.06);
            color: var(--color-secondary);
            border: 1px solid rgba(17, 18, 20, 0.1);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: 12px;
            background: #fff;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(23, 217, 178, 0.3);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            text-align: left;
            background: transparent;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .faq-question:hover {
            color: #0a9b82;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(17, 18, 20, 0.05);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-secondary);
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms ease;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            line-height: 1.9;
            color: var(--color-secondary);
        }

        .faq-item.active .faq-icon {
            background: var(--color-accent);
            color: var(--color-ink);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* List item arrow */
        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-secondary);
            transition: all var(--transition-base);
        }

        .read-more-link:hover {
            color: var(--color-accent);
        }

        .read-more-link .arrow {
            transition: transform var(--transition-base);
        }

        .read-more-link:hover .arrow {
            transform: translateX(3px);
            color: var(--color-accent);
        }

        /* Data bar scroll */
        .data-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 16px;
            scrollbar-width: thin;
            scrollbar-color: rgba(17, 18, 20, 0.2) transparent;
            -webkit-overflow-scrolling: touch;
        }

        .data-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .data-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .data-scroll::-webkit-scrollbar-thumb {
            background: rgba(17, 18, 20, 0.2);
            border-radius: 4px;
        }

        /* Form */
        .form-input {
            width: 100%;
            padding: 12px 18px;
            border-radius: 8px;
            border: 1px solid rgba(17, 18, 20, 0.15);
            background: #fff;
            font-size: 14px;
            color: var(--color-primarytext);
            outline: none;
            transition: all var(--transition-base);
        }

        .form-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.1);
        }

        .form-input::placeholder {
            color: var(--color-muted);
        }

        /* Hero image overlay */
        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 17, 21, 0.94) 0%, rgba(15, 17, 21, 0.82) 40%, rgba(15, 17, 21, 0.55) 70%, rgba(15, 17, 21, 0.75) 100%);
            z-index: 1;
        }

        /* Bento / mosaic for category entrance */
        .mosaic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        @media (min-width: 768px) {
            .mosaic-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
        }

        @media (min-width: 1024px) {
            .mosaic-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 18px;
            }
        }

        .mosaic-item {
            position: relative;
            border-radius: 14px;
            overflow: hidden;
            min-height: 130px;
            display: flex;
            align-items: flex-end;
            padding: 18px;
            transition: all var(--transition-base);
            cursor: pointer;
            border: 1px solid rgba(17, 18, 20, 0.06);
        }

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

        .mosaic-item .mosaic-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            transition: transform 400ms ease;
        }

        .mosaic-item:hover .mosaic-bg {
            transform: scale(1.05);
        }

        .mosaic-item .mosaic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(17, 18, 20, 0.85) 20%, rgba(17, 18, 20, 0.3) 100%);
            z-index: 1;
        }

        .mosaic-item .mosaic-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .mosaic-item .mosaic-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
        }

        .mosaic-item .mosaic-count {
            font-size: 12px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 2px;
        }

        /* Responsive navigation */
        @media (max-width: 900px) {
            .dock-links {
                display: none;
            }
            .dock-hamburger {
                display: flex;
            }
            .dock-cta {
                display: none;
            }
            .dock-nav {
                padding: 6px 12px;
            }
        }

        @media (max-width: 640px) {
            .section-title {
                font-size: 21px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .dock-nav {
                top: 8px;
                width: calc(100% - 16px);
                border-radius: 20px;
            }
            .dock-logo {
                font-size: 17px;
            }
        }

        @media (max-width: 480px) {
            .btn-primary,
            .btn-secondary {
                padding: 10px 18px;
                font-size: 13px;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
            }
        }

        /* Timeline */
        .timeline-step {
            position: relative;
            padding-left: 48px;
        }

        .timeline-step::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 28px;
            bottom: -8px;
            width: 2px;
            background: rgba(17, 18, 20, 0.1);
        }

        .timeline-step:last-child::before {
            display: none;
        }

        .timeline-dot {
            position: absolute;
            left: 4px;
            top: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-ink);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 800;
            box-shadow: 0 0 0 6px rgba(23, 217, 178, 0.15);
        }

        /* Table styling for data-tools */
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .styled-table thead {
            background: var(--color-ink);
            color: #fff;
        }

        .styled-table th {
            padding: 12px 16px;
            font-size: 13px;
            font-weight: 700;
            text-align: left;
            letter-spacing: 0.02em;
        }

        .styled-table td {
            padding: 12px 16px;
            font-size: 13px;
            color: var(--color-secondary);
            border-bottom: 1px solid rgba(17, 18, 20, 0.06);
        }

        .styled-table tbody tr:nth-child(even) {
            background: rgba(245, 246, 248, 0.7);
        }

        .styled-table tbody tr:hover {
            background: rgba(23, 217, 178, 0.06);
        }

        /* Utility */
        .text-balance {
            text-wrap: balance;
        }

        .text-gradient {
            background: linear-gradient(135deg, #17D9B2 0%, #0a9b82 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

/* roulang page: category1 */
:root {
            --color-ink: #111214;
            --color-deep: #0F1115;
            --color-accent: #17D9B2;
            --color-vermilion: #FF4D2E;
            --color-mist: #F5F6F8;
            --color-white: #FFFFFF;
            --color-primarytext: #17191C;
            --color-secondary: #5B6472;
            --color-muted: #8A93A1;
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 10px 30px rgba(17, 18, 20, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(17, 18, 20, 0.12);
            --shadow-dock: 0 8px 28px rgba(17, 18, 20, 0.1);
            --shadow-float: 0 18px 48px rgba(17, 18, 20, 0.16);
            --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            background-color: var(--color-mist);
            color: var(--color-primarytext);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

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

        .container-x {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container-x {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-x {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Navigation Dock */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1180px;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: 999px;
            box-shadow: var(--shadow-dock);
            padding: 6px 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .dock-nav.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: 0 12px 32px rgba(17, 18, 20, 0.14);
        }
        .dock-logo {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 12px;
            flex-shrink: 0;
        }
        .dock-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            animation: logoPulse 2.6s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%, 100% { box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18); }
            50% { box-shadow: 0 0 0 8px rgba(23, 217, 178, 0.08); }
        }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            min-width: 0;
        }
        .dock-link {
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-secondary);
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .dock-link:hover {
            color: var(--color-ink);
            background: rgba(17, 18, 20, 0.05);
        }
        .dock-link.active {
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.1);
            font-weight: 700;
        }
        .dock-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            padding: 0 8px;
        }
        .dock-search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-secondary);
            background: transparent;
            border: 1px solid rgba(17, 18, 20, 0.08);
            transition: all var(--transition-base);
        }
        .dock-search-btn:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
            background: rgba(23, 217, 178, 0.08);
        }
        .dock-subscribe-btn {
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-ink);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .dock-subscribe-btn:hover {
            background: var(--color-accent);
            color: var(--color-ink);
        }
        .dock-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.1);
            background: #fff;
            transition: all var(--transition-base);
        }
        .dock-hamburger:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* Mobile Menu */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 17, 21, 0.6);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 300ms ease;
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(85vw, 360px);
            height: 100vh;
            background: var(--color-deep);
            z-index: 95;
            padding: 100px 32px 40px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: right 350ms cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            right: 0;
        }
        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: all var(--transition-base);
        }
        .mobile-menu-close:hover {
            background: rgba(255, 255, 255, 0.15);
            color: var(--color-accent);
        }
        .mobile-menu-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition-base);
        }
        .mobile-menu-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu-link.active {
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.12);
            font-weight: 700;
        }

        /* Breadcrumb */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--color-secondary);
            transition: color var(--transition-base);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-nav .sep {
            color: var(--color-muted);
            font-size: 11px;
        }
        .breadcrumb-nav .current {
            color: var(--color-ink);
            font-weight: 600;
        }

        /* Section */
        .section-common {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }
        @media (min-width: 768px) {
            .section-common {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }
        .section-dark {
            background: var(--color-deep);
            color: #fff;
        }
        .section-mist {
            background: #F0F2F5;
        }

        /* Card Base */
        .card-base {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid rgba(17, 18, 20, 0.08);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            overflow: hidden;
        }
        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: var(--color-ink);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
        }
        .btn-primary:hover {
            background: var(--color-accent);
            color: var(--color-ink);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(23, 217, 178, 0.3);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: #fff;
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.2);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
        }
        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 10px;
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background: rgba(23, 217, 178, 0.12);
            color: #0E9F83;
        }
        .badge-vermilion {
            background: rgba(255, 77, 46, 0.1);
            color: var(--color-vermilion);
        }
        .badge-ink {
            background: rgba(17, 18, 20, 0.06);
            color: var(--color-secondary);
        }
        .badge-dark {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* Timeline */
        .timeline-list {
            position: relative;
            padding-left: 24px;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: rgba(17, 18, 20, 0.1);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-left: 24px;
            padding-bottom: 2rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -20px;
            top: 8px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.15);
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item .date-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--color-vermilion);
            letter-spacing: 0.04em;
        }

        /* Trend List */
        .trend-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: 12px;
            background: var(--color-white);
            border: 1px solid rgba(17, 18, 20, 0.06);
            transition: all var(--transition-base);
        }
        .trend-item:hover {
            border-color: rgba(23, 217, 178, 0.4);
            background: rgba(23, 217, 178, 0.04);
        }
        .trend-rank {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-weight: 800;
            font-size: 14px;
            color: var(--color-secondary);
            background: rgba(17, 18, 20, 0.05);
        }
        .trend-rank.top1 {
            background: var(--color-vermilion);
            color: #fff;
        }
        .trend-rank.top2 {
            background: #F59E0B;
            color: #fff;
        }
        .trend-rank.top3 {
            background: #0EA5A6;
            color: #fff;
        }

        /* Form */
        .form-input {
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(17, 18, 20, 0.15);
            background: #fff;
            font-size: 14px;
            transition: all var(--transition-base);
            width: 100%;
            outline: none;
        }
        .form-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.1);
        }
        .form-input::placeholder {
            color: var(--color-muted);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: var(--radius-card);
            background: #fff;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(23, 217, 178, 0.3);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            text-align: left;
            transition: all var(--transition-base);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(17, 18, 20, 0.05);
            color: var(--color-secondary);
            font-size: 14px;
            transition: all var(--transition-base);
        }
        .faq-item.open .faq-icon {
            background: rgba(23, 217, 178, 0.15);
            color: var(--color-accent);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            color: var(--color-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        /* Footer */
        .bg-ink {
            background: var(--color-deep);
        }

        /* Misc */
        .text-accent {
            color: var(--color-accent) !important;
        }
        .text-vermilion {
            color: var(--color-vermilion) !important;
        }
        .hover-accent:hover {
            color: var(--color-accent) !important;
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .line-clamp-3 {
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Hero for category */
        .category-hero {
            position: relative;
            padding-top: 120px;
            padding-bottom: 60px;
            background: linear-gradient(180deg, #FFFFFF 0%, var(--color-mist) 100%);
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(23, 217, 178, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(255, 77, 46, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        /* Mobile nav hide dock links */
        @media (max-width: 767px) {
            .dock-links {
                display: none;
            }
            .dock-cta {
                display: none;
            }
            .dock-hamburger {
                display: flex;
            }
            .dock-nav {
                padding: 6px 8px;
                justify-content: space-between;
            }
        }
        @media (min-width: 768px) {
            .dock-hamburger {
                display: none;
            }
            .mobile-menu-panel,
            .mobile-menu-overlay {
                display: none;
            }
        }
        @media (max-width: 1023px) {
            .dock-link {
                padding: 8px 10px;
                font-size: 13px;
            }
            .dock-subscribe-btn {
                padding: 8px 12px;
                font-size: 12px;
            }
        }
        @media (max-width: 639px) {
            .category-hero {
                padding-top: 100px;
                padding-bottom: 40px;
            }
            .dock-logo {
                font-size: 17px;
                padding: 4px 8px;
            }
        }

/* roulang page: category2 */
:root {
            --color-ink: #111214;
            --color-deep: #0F1115;
            --color-accent: #17D9B2;
            --color-vermilion: #FF4D2E;
            --color-mist: #F5F6F8;
            --color-white: #FFFFFF;
            --color-primarytext: #17191C;
            --color-secondary: #5B6472;
            --color-muted: #8A93A1;
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 10px 30px rgba(17, 18, 20, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(17, 18, 20, 0.12);
            --shadow-dock: 0 8px 28px rgba(17, 18, 20, 0.1);
            --shadow-float: 0 18px 48px rgba(17, 18, 20, 0.16);
            --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            background-color: var(--color-mist);
            color: var(--color-primarytext);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 88px;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

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

        .container-x {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-x {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-x {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Navigation Dock */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1180px;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: 999px;
            box-shadow: var(--shadow-dock);
            padding: 6px 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }

        .dock-nav.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: 0 12px 32px rgba(17, 18, 20, 0.14);
        }

        .dock-logo {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 12px;
            flex-shrink: 0;
        }

        .dock-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            animation: logoPulse 2.6s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(23, 217, 178, 0.08);
            }
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-shrink: 1;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .dock-links::-webkit-scrollbar {
            display: none;
        }

        .dock-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-secondary);
            padding: 8px 14px;
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
        }

        .dock-link:hover {
            color: var(--color-ink);
            background: rgba(17, 18, 20, 0.05);
        }

        .dock-link.active {
            color: var(--color-ink);
            background: rgba(17, 18, 20, 0.07);
            font-weight: 700;
        }

        .dock-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            padding: 0 8px;
        }

        .dock-search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-secondary);
            background: transparent;
            border: 1px solid rgba(17, 18, 20, 0.08);
            transition: all var(--transition-base);
        }

        .dock-search-btn:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
            background: rgba(23, 217, 178, 0.08);
        }

        .dock-subscribe-btn {
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-ink);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .dock-subscribe-btn:hover {
            background: var(--color-accent);
            color: var(--color-ink);
        }

        .dock-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.1);
            background: #fff;
            transition: all var(--transition-base);
        }

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

        /* Mobile Menu */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 17, 21, 0.6);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 300ms ease;
        }

        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(85vw, 360px);
            height: 100vh;
            background: var(--color-deep);
            z-index: 95;
            padding: 100px 32px 40px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: right 350ms cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }

        .mobile-menu-panel.open {
            right: 0;
        }

        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 18px;
            transition: all var(--transition-base);
        }

        .mobile-menu-close:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .mobile-menu-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            font-weight: 500;
            transition: all var(--transition-base);
        }

        .mobile-menu-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu-link.active {
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.12);
            font-weight: 700;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--color-muted);
            font-size: 11px;
        }

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

        /* Section */
        .section-pad {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }

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

        /* Card */
        .card-base {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid rgba(17, 18, 20, 0.08);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

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

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            background: var(--color-ink);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
        }

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

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            background: var(--color-white);
            color: var(--color-ink);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.01em;
            border: 1px solid rgba(17, 18, 20, 0.2);
            transition: all var(--transition-base);
        }

        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.05);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-text-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--color-ink);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-base);
        }

        .btn-text-arrow i {
            transition: transform var(--transition-base);
        }

        .btn-text-arrow:hover {
            color: var(--color-accent);
        }

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

        /* Tag badge */
        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(23, 217, 178, 0.1);
            color: #0d8f72;
            font-size: 12px;
            font-weight: 600;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .tag-badge:hover {
            background: var(--color-accent);
            color: var(--color-ink);
        }

        .tag-badge.vermilion {
            background: rgba(255, 77, 46, 0.1);
            color: #c2341d;
        }

        .tag-badge.vermilion:hover {
            background: var(--color-vermilion);
            color: #fff;
        }

        .tag-badge.ink {
            background: rgba(17, 18, 20, 0.06);
            color: var(--color-ink);
        }

        .tag-badge.ink:hover {
            background: var(--color-ink);
            color: #fff;
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud-item {
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-white);
            border: 1px solid rgba(17, 18, 20, 0.1);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-secondary);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .tag-cloud-item:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.06);
            box-shadow: 0 4px 12px rgba(23, 217, 178, 0.15);
        }

        .tag-cloud-item.size-lg {
            font-size: 17px;
            font-weight: 700;
            padding: 10px 22px;
            color: var(--color-ink);
        }

        .tag-cloud-item.size-md {
            font-size: 15px;
            font-weight: 600;
            padding: 9px 20px;
        }

        .tag-cloud-item.size-sm {
            font-size: 13px;
            padding: 6px 14px;
        }

        /* Feature card */
        .feature-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--color-deep);
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-float);
        }

        .feature-card .feature-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.6;
        }

        .feature-card .feature-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 17, 21, 0.2) 0%, rgba(15, 17, 21, 0.85) 65%, rgba(15, 17, 21, 0.95) 100%);
        }

        .feature-card .feature-content {
            position: relative;
            z-index: 2;
            padding: 40px;
            max-width: 680px;
        }

        @media (max-width: 640px) {
            .feature-card {
                min-height: 420px;
            }
            .feature-card .feature-content {
                padding: 28px 24px;
            }
        }

        /* Strategy list item */
        .strategy-list-item {
            display: grid;
            grid-template-columns: 1fr 220px;
            gap: 20px;
            padding: 20px;
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid rgba(17, 18, 20, 0.08);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .strategy-list-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(23, 217, 178, 0.3);
        }

        .strategy-list-item .strategy-thumb {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: 12px;
        }

        @media (max-width: 640px) {
            .strategy-list-item {
                grid-template-columns: 1fr;
            }
            .strategy-list-item .strategy-thumb {
                height: 180px;
                order: -1;
            }
        }

        /* Ranking item */
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 16px;
            background: var(--color-white);
            border-radius: 12px;
            border: 1px solid rgba(17, 18, 20, 0.07);
            transition: all var(--transition-base);
        }

        .ranking-item:hover {
            border-color: rgba(23, 217, 178, 0.3);
            box-shadow: 0 4px 12px rgba(17, 18, 20, 0.08);
        }

        .ranking-number {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            min-width: 40px;
            color: var(--color-muted);
        }

        .ranking-number.top1 {
            color: var(--color-vermilion);
        }
        .ranking-number.top2 {
            color: #f59e0b;
        }
        .ranking-number.top3 {
            color: var(--color-accent);
        }

        /* Version patch card */
        .version-card {
            background: var(--color-deep);
            border-radius: var(--radius-card);
            padding: 28px;
            color: #fff;
            border: 1px solid rgba(23, 217, 178, 0.2);
            box-shadow: 0 12px 36px rgba(15, 17, 21, 0.3);
        }

        .version-card .version-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(23, 217, 178, 0.15);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
        }

        .version-card .version-meter {
            height: 6px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.1);
            overflow: hidden;
            margin-top: 12px;
        }

        .version-card .version-meter-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--color-accent);
            transition: width 500ms ease;
        }

        /* FAQ */
        .faq-item {
            background: var(--color-white);
            border-radius: 14px;
            border: 1px solid rgba(17, 18, 20, 0.08);
            overflow: hidden;
            margin-bottom: 12px;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(23, 217, 178, 0.25);
        }

        .faq-item.active {
            border-color: rgba(23, 217, 178, 0.4);
            box-shadow: 0 6px 20px rgba(17, 18, 20, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            transition: color var(--transition-base);
            user-select: none;
            text-align: left;
            width: 100%;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(17, 18, 20, 0.05);
            color: var(--color-secondary);
            font-size: 14px;
            transition: all var(--transition-base);
        }

        .faq-item.active .faq-icon {
            background: var(--color-accent);
            color: var(--color-ink);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms ease, padding 350ms ease;
            padding: 0 20px;
            color: var(--color-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* CTA section */
        .cta-section {
            background: var(--color-deep);
            border-radius: 20px;
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(23, 217, 178, 0.1);
            filter: blur(60px);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 77, 46, 0.08);
            filter: blur(50px);
        }

        /* Form */
        .form-input {
            padding: 10px 16px;
            border-radius: 10px;
            border: 1px solid rgba(17, 18, 20, 0.15);
            background: var(--color-white);
            font-size: 14px;
            color: var(--color-primarytext);
            transition: all var(--transition-base);
            outline: none;
            width: 100%;
        }

        .form-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.1);
        }

        .form-input::placeholder {
            color: var(--color-muted);
        }

        /* Footer */
        .footer-link {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-base);
        }

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

        /* Focus visible */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* Vertical timeline style for ranking */
        .trend-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .trend-up {
            color: var(--color-accent);
        }
        .trend-down {
            color: var(--color-vermilion);
        }
        .trend-flat {
            color: var(--color-muted);
        }

        /* Data bar */
        .data-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .data-bar .data-label {
            min-width: 80px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-secondary);
            flex-shrink: 0;
        }

        .data-bar .data-track {
            flex: 1;
            height: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            overflow: hidden;
        }

        .data-bar .data-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--color-accent);
            transition: width 800ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        .data-bar .data-value {
            min-width: 40px;
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            text-align: right;
            flex-shrink: 0;
        }

        /* Hide scrollbar utility */
        .no-scrollbar {
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }

/* roulang page: category3 */
:root {
            --color-ink: #111214;
            --color-deep: #0F1115;
            --color-accent: #17D9B2;
            --color-vermilion: #FF4D2E;
            --color-mist: #F5F6F8;
            --color-white: #FFFFFF;
            --color-primarytext: #17191C;
            --color-secondary: #5B6472;
            --color-muted: #8A93A1;
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 10px 30px rgba(17, 18, 20, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(17, 18, 20, 0.12);
            --shadow-dock: 0 8px 28px rgba(17, 18, 20, 0.1);
            --shadow-float: 0 18px 48px rgba(17, 18, 20, 0.16);
            --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            background-color: var(--color-mist);
            color: var(--color-primarytext);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

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

        .container-x {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1024px) {
            .container-x {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Navigation Dock */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1180px;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: 999px;
            box-shadow: var(--shadow-dock);
            padding: 6px 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .dock-nav.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: 0 12px 32px rgba(17, 18, 20, 0.14);
        }
        .dock-logo {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 12px;
            flex-shrink: 0;
        }
        .dock-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            animation: logoPulse 2.6s ease-in-out infinite;
        }
        .dock-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            padding: 0 8px;
        }
        .dock-search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-secondary);
            background: transparent;
            border: 1px solid rgba(17, 18, 20, 0.08);
            transition: all var(--transition-base);
        }
        .dock-search-btn:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
            background: rgba(23, 217, 178, 0.08);
        }
        .dock-subscribe-btn {
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-ink);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .dock-subscribe-btn:hover {
            background: var(--color-accent);
            color: var(--color-ink);
        }
        .dock-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.1);
            background: #fff;
            transition: all var(--transition-base);
        }
        .dock-hamburger:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .dock-link {
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-secondary);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .dock-link:hover {
            color: var(--color-ink);
            background: rgba(17, 18, 20, 0.05);
        }
        .dock-link.active {
            color: #fff;
            background: var(--color-ink);
            font-weight: 600;
        }
        .dock-link.active:hover {
            color: #fff;
            background: var(--color-ink);
        }

        @keyframes logoPulse {
            0%, 100% { box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18); }
            50% { box-shadow: 0 0 0 7px rgba(23, 217, 178, 0.08); }
        }

        /* Mobile Menu */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 17, 21, 0.6);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 300ms ease;
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(85vw, 360px);
            height: 100vh;
            background: var(--color-deep);
            z-index: 95;
            padding: 100px 32px 40px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: right 350ms cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            right: 0;
        }
        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            font-size: 20px;
            transition: all var(--transition-base);
        }
        .mobile-menu-close:hover {
            background: rgba(255, 255, 255, 0.2);
            color: var(--color-accent);
        }
        .mobile-menu-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            font-weight: 500;
            transition: all var(--transition-base);
        }
        .mobile-menu-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .mobile-menu-link.active {
            background: rgba(23, 217, 178, 0.15);
            color: var(--color-accent);
            font-weight: 600;
        }
        .mobile-menu-link i {
            width: 20px;
            text-align: center;
            color: var(--color-accent);
        }

        @media (max-width: 1023px) {
            .dock-links {
                display: none;
            }
            .dock-cta .dock-search-btn {
                display: none;
            }
            .dock-hamburger {
                display: flex;
            }
        }
        @media (max-width: 640px) {
            .dock-cta .dock-subscribe-btn {
                display: none;
            }
            .dock-logo {
                font-size: 17px;
            }
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: var(--color-ink);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(17, 18, 20, 0.12);
        }
        .btn-primary:hover {
            background: var(--color-accent);
            color: var(--color-ink);
            box-shadow: 0 6px 20px rgba(23, 217, 178, 0.3);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: var(--color-white);
            color: var(--color-ink);
            font-size: 14px;
            font-weight: 700;
            border: 1.5px solid rgba(17, 18, 20, 0.2);
            transition: all var(--transition-base);
        }
        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.04);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .dock-link:focus-visible,
        .dock-subscribe-btn:focus-visible,
        .dock-search-btn:focus-visible,
        .mobile-menu-link:focus-visible,
        .read-more:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* Cards */
        .content-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid rgba(17, 18, 20, 0.08);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .content-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }
        .badge-accent {
            background: rgba(23, 217, 178, 0.12);
            color: #0d9c81;
        }
        .badge-vermilion {
            background: rgba(255, 77, 46, 0.1);
            color: var(--color-vermilion);
        }
        .badge-ink {
            background: rgba(17, 18, 20, 0.08);
            color: var(--color-secondary);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-secondary);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: var(--color-muted);
            font-size: 11px;
        }
        .breadcrumb .current {
            color: var(--color-ink);
            font-weight: 600;
        }

        /* Read More */
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-ink);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .read-more i {
            transition: transform var(--transition-base);
            font-size: 12px;
        }
        .read-more:hover {
            color: var(--color-accent);
        }
        .read-more:hover i {
            transform: translateX(4px);
            color: var(--color-accent);
        }

        /* Player Card Grid */
        .player-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .player-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid rgba(17, 18, 20, 0.08);
            box-shadow: var(--shadow-card);
            padding: 20px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-base);
        }
        .player-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(23, 217, 178, 0.25);
        }
        .player-card:nth-child(even) {
            margin-top: 36px;
        }
        .player-card .pc-top {
            display: flex;
            gap: 16px;
            margin-bottom: 14px;
        }
        .player-card .pc-thumb {
            width: 100px;
            height: 100px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
            object-fit: cover;
        }
        .player-card .pc-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.45;
            margin-bottom: 4px;
        }
        .player-card .pc-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }
        .player-card .pc-desc {
            font-size: 13px;
            color: var(--color-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .player-card .pc-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid rgba(17, 18, 20, 0.06);
        }
        .player-card .pc-stat-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--color-secondary);
            margin-top: 6px;
        }
        .player-card .pc-stat-bar {
            flex: 1;
            height: 4px;
            background: rgba(17, 18, 20, 0.08);
            border-radius: 999px;
            overflow: hidden;
        }
        .player-card .pc-stat-fill {
            height: 100%;
            background: var(--color-accent);
            border-radius: 999px;
            transition: width 600ms ease;
        }
        @media (max-width: 768px) {
            .player-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .player-card:nth-child(even) {
                margin-top: 0;
            }
            .player-card .pc-top {
                flex-direction: column;
            }
            .player-card .pc-thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* Ability Bar */
        .ability-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }
        .ability-row .ab-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-secondary);
            width: 80px;
            flex-shrink: 0;
        }
        .ability-row .ab-track {
            flex: 1;
            height: 6px;
            background: rgba(17, 18, 20, 0.07);
            border-radius: 999px;
            overflow: hidden;
        }
        .ability-row .ab-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent), #9cf0e0);
            border-radius: 999px;
            transition: width 800ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        .ability-row .ab-val {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-ink);
            width: 30px;
            text-align: right;
        }

        /* Rank Badge */
        .rank-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .rank-1 { background: rgba(255, 77, 46, 0.1); color: var(--color-vermilion); }
        .rank-2 { background: rgba(245, 158, 11, 0.15); color: #b45309; }
        .rank-3 { background: rgba(23, 217, 178, 0.12); color: #0d9c81; }
        .rank-other { background: rgba(17, 18, 20, 0.06); color: var(--color-secondary); }

        /* Section heading */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.4;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--color-secondary);
            line-height: 1.9;
            max-width: 680px;
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 22px;
            }
        }

        /* FAQ */
        .faq-item {
            background: var(--color-white);
            border-radius: 14px;
            border: 1px solid rgba(17, 18, 20, 0.08);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item.open {
            border-color: rgba(23, 217, 178, 0.3);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: left;
            width: 100%;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(17, 18, 20, 0.05);
            font-size: 14px;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }
        .faq-item.open .faq-icon {
            background: rgba(23, 217, 178, 0.15);
            color: var(--color-accent);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms ease, padding 350ms ease;
            padding: 0 20px;
            color: var(--color-secondary);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }

        /* Form input */
        .form-input {
            padding: 11px 16px;
            border-radius: 10px;
            border: 1.5px solid rgba(17, 18, 20, 0.15);
            font-size: 14px;
            transition: all var(--transition-base);
            background: var(--color-white);
            color: var(--color-primarytext);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.1);
        }
        .form-input::placeholder {
            color: var(--color-muted);
        }

        /* CTA dark section */
        .cta-dark {
            background: var(--color-deep);
            border-radius: 24px;
            padding: 48px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-dark::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top right, rgba(23, 217, 178, 0.15), transparent 60%);
            pointer-events: none;
        }

        /* Topic tile */
        .topic-tile {
            display: block;
            background: var(--color-white);
            border-radius: 14px;
            border: 1px solid rgba(17, 18, 20, 0.08);
            padding: 20px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            text-align: center;
        }
        .topic-tile:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(23, 217, 178, 0.25);
        }
        .topic-tile .topic-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(23, 217, 178, 0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 12px;
            transition: all var(--transition-base);
        }
        .topic-tile:hover .topic-icon {
            background: var(--color-accent);
            color: #fff;
        }
        .topic-tile .topic-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
        }
        .topic-tile .topic-desc {
            font-size: 12px;
            color: var(--color-muted);
            margin-top: 4px;
            line-height: 1.5;
        }

        /* Footer specific */
        .footer-link {
            transition: color var(--transition-base);
        }
        .footer-link:hover {
            color: var(--color-accent) !important;
        }

        /* Rank bar in deep section */
        .rank-bar-track {
            flex: 1;
            height: 4px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            overflow: hidden;
        }
        .rank-bar-fill {
            height: 100%;
            background: var(--color-accent);
            border-radius: 999px;
        }

/* roulang page: category4 */
:root {
            --color-ink: #111214;
            --color-deep: #0F1115;
            --color-accent: #17D9B2;
            --color-vermilion: #FF4D2E;
            --color-mist: #F5F6F8;
            --color-white: #FFFFFF;
            --color-primarytext: #17191C;
            --color-secondary: #5B6472;
            --color-muted: #8A93A1;
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 10px 30px rgba(17, 18, 20, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(17, 18, 20, 0.12);
            --shadow-dock: 0 8px 28px rgba(17, 18, 20, 0.1);
            --shadow-float: 0 18px 48px rgba(17, 18, 20, 0.16);
            --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            background-color: var(--color-mist);
            color: var(--color-primarytext);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 88px;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

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

        .container-x {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container-x {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-x {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Navigation Dock */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1180px;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: 999px;
            box-shadow: var(--shadow-dock);
            padding: 6px 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }

        .dock-nav.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: 0 12px 32px rgba(17, 18, 20, 0.14);
        }

        .dock-logo {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 12px;
            flex-shrink: 0;
        }

        .dock-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            animation: logoPulse 2.6s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(23, 217, 178, 0.06);
            }
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            min-width: 0;
        }

        .dock-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-secondary);
            padding: 8px 14px;
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
            position: relative;
        }

        .dock-link:hover {
            color: var(--color-ink);
            background: rgba(17, 18, 20, 0.04);
        }

        .dock-link.active {
            color: var(--color-ink);
            background: rgba(23, 217, 178, 0.12);
        }

        .dock-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: 999px;
            background: var(--color-accent);
        }

        .dock-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            padding: 0 8px;
        }

        .dock-search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-secondary);
            background: transparent;
            border: 1px solid rgba(17, 18, 20, 0.08);
            transition: all var(--transition-base);
        }

        .dock-search-btn:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
            background: rgba(23, 217, 178, 0.08);
        }

        .dock-subscribe-btn {
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-ink);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .dock-subscribe-btn:hover {
            background: var(--color-accent);
            color: var(--color-ink);
        }

        .dock-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.1);
            background: #fff;
            transition: all var(--transition-base);
        }

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

        /* Mobile Menu */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 17, 21, 0.6);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 300ms ease;
        }

        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(85vw, 360px);
            height: 100vh;
            background: var(--color-deep);
            z-index: 95;
            padding: 100px 32px 40px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: right 350ms cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }

        .mobile-menu-panel.open {
            right: 0;
        }

        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            font-size: 20px;
            transition: all var(--transition-base);
        }

        .mobile-menu-close:hover {
            background: rgba(255, 255, 255, 0.16);
            color: var(--color-accent);
        }

        .mobile-menu-link {
            font-size: 18px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            padding: 12px 16px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all var(--transition-base);
        }

        .mobile-menu-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu-link.active {
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.1);
        }

        @media (max-width: 1023px) {
            .dock-links {
                display: none;
            }
            .dock-hamburger {
                display: flex;
            }
            .dock-cta .dock-subscribe-btn {
                display: none;
            }
        }

        @media (max-width: 640px) {
            .dock-cta {
                padding: 0 4px;
            }
            .dock-search-btn {
                width: 36px;
                height: 36px;
            }
            body {
                padding-top: 78px;
            }
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: var(--color-ink);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent);
            color: var(--color-ink);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(23, 217, 178, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: #fff;
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.15);
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(17, 18, 20, 0.08);
        }

        .btn-outline:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-vermilion {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: var(--color-vermilion);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-vermilion:hover {
            background: #e03e22;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 77, 46, 0.25);
        }

        .btn-vermilion:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-vermilion:focus-visible {
            outline: 2px solid var(--color-vermilion);
            outline-offset: 2px;
        }

        /* Cards */
        .team-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid rgba(17, 18, 20, 0.08);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .team-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(23, 217, 178, 0.3);
        }

        .info-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid rgba(17, 18, 20, 0.08);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition-base);
        }

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

        /* Section */
        .section-pad {
            padding: 48px 0;
        }

        @media (min-width: 768px) {
            .section-pad {
                padding: 64px 0;
            }
        }

        @media (min-width: 1024px) {
            .section-pad {
                padding: 80px 0;
            }
        }

        .section-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 26px;
            }
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-secondary);
            line-height: 1.8;
            max-width: 640px;
        }

        /* Badge */
        .badge-accent {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(23, 217, 178, 0.12);
            color: #0a9a7d;
            font-size: 12px;
            font-weight: 600;
        }

        .badge-vermilion {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(255, 77, 46, 0.1);
            color: var(--color-vermilion);
            font-size: 12px;
            font-weight: 600;
        }

        .badge-ink {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(17, 18, 20, 0.06);
            color: var(--color-ink);
            font-size: 12px;
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }

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

        .breadcrumb .sep {
            color: var(--color-muted);
            font-size: 10px;
        }

        /* Horizontal scroll */
        .scroll-row {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(17, 18, 20, 0.2) transparent;
        }

        .scroll-row::-webkit-scrollbar {
            height: 6px;
        }

        .scroll-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-row::-webkit-scrollbar-thumb {
            background: rgba(17, 18, 20, 0.15);
            border-radius: 999px;
        }

        .scroll-row>div {
            flex-shrink: 0;
            scroll-snap-align: start;
        }

        /* Form */
        .form-input {
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(17, 18, 20, 0.15);
            background: #fff;
            color: var(--color-ink);
            font-size: 14px;
            transition: all var(--transition-base);
            width: 100%;
            outline: none;
        }

        .form-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.1);
        }

        .form-input::placeholder {
            color: var(--color-muted);
        }

        /* Dark section */
        .dark-section {
            background: var(--color-deep);
            color: #fff;
        }

        .dark-section .section-title {
            color: #fff;
        }
        .dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(23, 217, 178, 0.3);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            text-align: left;
            transition: all var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms ease;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--color-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-item.open .faq-answer-inner {
            background: rgba(23, 217, 178, 0.04);
            border-radius: 0 0 12px 12px;
            margin: 0;
            padding: 0 20px 18px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(17, 18, 20, 0.06);
            font-size: 14px;
            transition: all var(--transition-base);
        }

        .faq-item.open .faq-icon {
            background: rgba(23, 217, 178, 0.15);
            color: var(--color-accent);
            transform: rotate(45deg);
        }

        /* Timeline */
        .timeline-item {
            position: relative;
            padding-left: 28px;
            padding-bottom: 24px;
            border-left: 2px solid rgba(23, 217, 178, 0.3);
            margin-left: 8px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -7px;
            top: 0;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.15);
        }

        .timeline-item:last-child {
            border-left-color: transparent;
        }

        /* Table */
        .data-table {
            width: 100%;
            border-collapse: collapse;
            border-radius: 12px;
            overflow: hidden;
            font-size: 14px;
        }

        .data-table thead th {
            background: var(--color-ink);
            color: #fff;
            font-weight: 600;
            text-align: left;
            padding: 12px 16px;
            white-space: nowrap;
        }

        .data-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid rgba(17, 18, 20, 0.06);
            color: var(--color-primarytext);
            white-space: nowrap;
        }
        .data-table tbody tr:nth-child(even) {
            background: rgba(17, 18, 20, 0.02);
        }

        .data-table tbody tr:hover {
            background: rgba(23, 217, 178, 0.06);
        }

        /* Team card special */
        .team-logo-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-deep);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        .stat-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        @media (min-width: 768px) {
            .stat-value {
                font-size: 32px;
            }
        }

        .stat-label {
            font-size: 13px;
            color: var(--color-muted);
            font-weight: 500;
        }

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

        .text-accent {
            color: var(--color-accent);
        }
        .text-vermilion {
            color: var(--color-vermilion);
        }
        .bg-ink {
            background: var(--color-ink);
        }
        .bg-deep {
            background: var(--color-deep);
        }
        .bg-mist {
            background: var(--color-mist);
        }

        .quick-link-arrow {
            transition: transform var(--transition-base);
        }
        .quick-link-arrow:hover {
            transform: translateX(4px);
        }

        .team-rank-number {
            font-size: 40px;
            font-weight: 800;
            line-height: 1;
            color: rgba(17, 18, 20, 0.1);
            letter-spacing: -0.03em;
        }
        @media (min-width: 768px) {
            .team-rank-number {
                font-size: 56px;
            }
        }

/* roulang page: category5 */
:root {
            --color-ink: #111214;
            --color-deep: #0F1115;
            --color-accent: #17D9B2;
            --color-vermilion: #FF4D2E;
            --color-mist: #F5F6F8;
            --color-white: #FFFFFF;
            --color-primarytext: #17191C;
            --color-secondary: #5B6472;
            --color-muted: #8A93A1;
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 10px 30px rgba(17, 18, 20, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(17, 18, 20, 0.12);
            --shadow-dock: 0 8px 28px rgba(17, 18, 20, 0.1);
            --shadow-float: 0 18px 48px rgba(17, 18, 20, 0.16);
            --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            background-color: var(--color-mist);
            color: var(--color-primarytext);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container-x {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container-x {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-x {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1180px;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: 999px;
            box-shadow: var(--shadow-dock);
            padding: 6px 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .dock-nav.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: 0 12px 32px rgba(17, 18, 20, 0.14);
        }
        .dock-logo {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 12px;
            flex-shrink: 0;
        }
        .dock-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            animation: logoPulse 2.6s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(23, 217, 178, 0.08);
            }
        }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .dock-links::-webkit-scrollbar {
            display: none;
        }
        .dock-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-secondary);
            padding: 8px 14px;
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition-base);
            position: relative;
        }
        .dock-link:hover {
            color: var(--color-ink);
            background: rgba(17, 18, 20, 0.04);
        }
        .dock-link.active {
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.1);
        }
        .dock-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }
        .dock-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            padding: 0 8px;
        }
        .dock-search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-secondary);
            background: transparent;
            border: 1px solid rgba(17, 18, 20, 0.08);
            transition: all var(--transition-base);
        }
        .dock-search-btn:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
            background: rgba(23, 217, 178, 0.08);
        }
        .dock-subscribe-btn {
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-ink);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .dock-subscribe-btn:hover {
            background: var(--color-accent);
            color: var(--color-ink);
        }
        .dock-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.1);
            background: #fff;
            transition: all var(--transition-base);
        }
        .dock-hamburger:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 17, 21, 0.6);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 300ms ease;
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(85vw, 360px);
            height: 100vh;
            background: var(--color-deep);
            z-index: 95;
            padding: 100px 32px 40px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: right 350ms cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            right: 0;
        }
        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            font-size: 18px;
            transition: all var(--transition-base);
        }
        .mobile-menu-close:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .mobile-menu-link {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            font-weight: 600;
            padding: 12px 8px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-base);
        }
        .mobile-menu-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu-link.active {
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.12);
        }
        .section-space {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section-space {
                padding: 5rem 0;
            }
        }
        .card-base {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid rgba(17, 18, 20, 0.08);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: var(--color-ink);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-accent);
            color: var(--color-ink);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: var(--color-white);
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.2);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        .badge-accent {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(23, 217, 178, 0.12);
            color: #0D9C7E;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        .badge-vermilion {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(255, 77, 46, 0.1);
            color: var(--color-vermilion);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        .faq-item {
            border-bottom: 1px solid rgba(17, 18, 20, 0.08);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 4px;
            font-weight: 600;
            font-size: 16px;
            color: var(--color-ink);
            text-align: left;
            transition: color var(--transition-base);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(17, 18, 20, 0.06);
            font-size: 14px;
            transition: all var(--transition-base);
        }
        .faq-question .faq-icon.rotated {
            background: rgba(23, 217, 178, 0.15);
            color: var(--color-accent);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-answer-inner {
            padding: 0 4px 20px;
            color: var(--color-secondary);
            font-size: 15px;
            line-height: 1.9;
        }
        .faq-answer.open {
            max-height: 300px;
        }
        .data-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(17, 18, 20, 0.06);
        }
        .data-table thead th {
            background: #FAFAFB;
            color: var(--color-ink);
            font-weight: 700;
            font-size: 13px;
            text-align: left;
            padding: 14px 16px;
            border-bottom: 1px solid rgba(17, 18, 20, 0.08);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .data-table tbody td {
            padding: 13px 16px;
            font-size: 14px;
            color: var(--color-secondary);
            border-bottom: 1px solid rgba(17, 18, 20, 0.05);
            white-space: nowrap;
        }
        .data-table tbody tr:last-child td {
            border-bottom: none;
        }
        .data-table tbody tr:nth-child(even) {
            background: #FBFBFC;
        }
        .data-table tbody tr:hover {
            background: rgba(23, 217, 178, 0.05);
        }
        .data-table td,

        .data-table th {
            transition: background var(--transition-base);
        }
        .tool-tile {
            background: #fff;
            border-radius: 14px;
            border: 1px solid rgba(17, 18, 20, 0.08);
            padding: 20px 18px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-base);
            cursor: default;
        }
        .tool-tile:hover {
            border-color: var(--color-accent);
            box-shadow: 0 8px 24px rgba(23, 217, 178, 0.12);
            transform: translateY(-3px);
        }
        .tool-tile-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background: rgba(23, 217, 178, 0.1);
            color: #0D9C7E;
            flex-shrink: 0;
        }
        .breadcrumb-link {
            font-size: 13px;
            color: var(--color-muted);
            transition: color var(--transition-base);
        }
        .breadcrumb-link:hover {
            color: var(--color-accent);
        }
        .breadcrumb-separator {
            font-size: 12px;
            color: var(--color-muted);
            margin: 0 8px;
        }
        .article-card {
            background: #fff;
            border-radius: 14px;
            border: 1px solid rgba(17, 18, 20, 0.08);
            padding: 16px;
            display: flex;
            gap: 16px;
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .article-card:hover {
            box-shadow: 0 10px 28px rgba(17, 18, 20, 0.1);
            transform: translateY(-2px);
        }
        .article-card:hover .article-title {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-thumb {
            width: 80px;
            height: 64px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            background: #F0F1F3;
        }
        .article-title {
            font-weight: 700;
            font-size: 15px;
            color: var(--color-ink);
            transition: color var(--transition-base);
            line-height: 1.5;
            margin-bottom: 4px;
        }
        .article-meta {
            font-size: 12px;
            color: var(--color-muted);
            margin-bottom: 6px;
        }
        .article-desc {
            font-size: 13px;
            color: var(--color-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            margin-top: 8px;
            transition: all var(--transition-base);
        }
        .read-more-link:hover {
            gap: 10px;
            color: #0D9C7E;
        }
        .form-input {
            padding: 10px 16px;
            border-radius: 10px;
            border: 1px solid rgba(17, 18, 20, 0.15);
            background: #fff;
            color: var(--color-primarytext);
            font-size: 14px;
            transition: all var(--transition-base);
            outline: none;
        }
        .form-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.1);
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            transition: color var(--transition-base);
        }
        .footer-link:hover {
            color: var(--color-accent);
        }
        .bg-ink {
            background: var(--color-deep);
        }
        .text-accent {
            color: var(--color-accent);
        }
        @media (max-width: 1023px) {
            .dock-links {
                display: none;
            }
            .dock-hamburger {
                display: flex;
            }
            .dock-cta .dock-subscribe-btn {
                display: none;
            }
        }
        @media (max-width: 767px) {
            .dock-nav {
                top: 10px;
                width: calc(100% - 20px);
                border-radius: 20px;
                padding: 4px 6px;
            }
            .dock-logo {
                font-size: 18px;
                gap: 6px;
                padding: 4px 8px;
            }
            .dock-logo .logo-dot {
                width: 8px;
                height: 8px;
            }
            .section-space {
                padding: 3rem 0;
            }
            .article-card {
                flex-direction: column;
                gap: 12px;
            }
            .article-thumb {
                width: 100%;
                height: 140px;
            }
        }
        @media (max-width: 520px) {
            .dock-nav {
                top: 8px;
                width: calc(100% - 16px);
                border-radius: 16px;
            }
            .data-table {
                display: block;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 10px 12px;
                font-size: 12px;
            }
            .container-x {
                padding-left: 0.75rem;
                padding-right: 0.75rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-ink: #111214;
            --color-deep: #0F1115;
            --color-accent: #17D9B2;
            --color-vermilion: #FF4D2E;
            --color-mist: #F5F6F8;
            --color-white: #FFFFFF;
            --color-primarytext: #17191C;
            --color-secondary: #5B6472;
            --color-muted: #8A93A1;
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-card: 0 10px 30px rgba(17, 18, 20, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(17, 18, 20, 0.12);
            --shadow-dock: 0 8px 28px rgba(17, 18, 20, 0.1);
            --shadow-float: 0 18px 48px rgba(17, 18, 20, 0.16);
            --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            background-color: var(--color-mist);
            color: var(--color-primarytext);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container-x {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container-x {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-x {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1180px;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: 999px;
            box-shadow: var(--shadow-dock);
            padding: 6px 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .dock-nav.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: 0 12px 32px rgba(17, 18, 20, 0.14);
        }
        .dock-logo {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 12px;
            flex-shrink: 0;
        }
        .dock-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            animation: logoPulse 2.6s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.18);
            }
            50% {
                box-shadow: 0 0 0 7px rgba(23, 217, 178, 0.08);
            }
        }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-shrink: 1;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .dock-links::-webkit-scrollbar {
            display: none;
        }
        .dock-link {
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-secondary);
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .dock-link:hover {
            color: var(--color-ink);
            background: rgba(17, 18, 20, 0.05);
        }
        .dock-link.active {
            color: var(--color-ink);
            background: rgba(17, 18, 20, 0.08);
        }
        .dock-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            padding: 0 8px;
        }
        .dock-search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-secondary);
            background: transparent;
            border: 1px solid rgba(17, 18, 20, 0.08);
            transition: all var(--transition-base);
        }
        .dock-search-btn:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
            background: rgba(23, 217, 178, 0.08);
        }
        .dock-subscribe-btn {
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--color-ink);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .dock-subscribe-btn:hover {
            background: var(--color-accent);
            color: var(--color-ink);
        }
        .dock-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.1);
            background: #fff;
            transition: all var(--transition-base);
        }
        .dock-hamburger:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        @media (max-width: 1023px) {
            .dock-links {
                display: none;
            }
            .dock-subscribe-btn {
                display: none;
            }
            .dock-hamburger {
                display: flex;
            }
            .dock-cta {
                padding: 0 4px;
            }
        }
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 17, 21, 0.6);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 300ms ease;
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(85vw, 360px);
            height: 100vh;
            background: var(--color-deep);
            z-index: 95;
            padding: 100px 32px 40px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: right 350ms cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            right: 0;
        }
        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all var(--transition-base);
        }
        .mobile-menu-close:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .mobile-menu-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-base);
        }
        .mobile-menu-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .mobile-menu-link.active {
            background: rgba(23, 217, 178, 0.15);
            color: var(--color-accent);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            padding: 12px 0;
            flex-wrap: wrap;
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-sep {
            color: var(--color-muted);
            font-size: 10px;
        }
        .breadcrumb-current {
            color: var(--color-ink);
            font-weight: 600;
        }
        .section-pad {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }
        .card-hover {
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .focus-ring-accent:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: var(--color-ink);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
        }
        .btn-primary:hover {
            background: var(--color-accent);
            color: var(--color-ink);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: var(--color-white);
            color: var(--color-ink);
            border: 1px solid rgba(17, 18, 20, 0.2);
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition-base);
        }
        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.06);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(23, 217, 178, 0.12);
            color: #0d9d7f;
            letter-spacing: 0.02em;
        }
        .badge-hot {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(255, 77, 46, 0.1);
            color: var(--color-vermilion);
            letter-spacing: 0.02em;
        }
        .alphabet-index {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 16px 0;
        }
        .alphabet-link {
            min-width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--color-white);
            border: 1px solid rgba(17, 18, 20, 0.08);
            font-weight: 700;
            font-size: 14px;
            color: var(--color-secondary);
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(17, 18, 20, 0.04);
        }
        .alphabet-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(23, 217, 178, 0.06);
        }
        .term-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid rgba(17, 18, 20, 0.08);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }
        .term-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .term-card-header {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            flex-wrap: wrap;
        }
        .term-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.01em;
        }
        .term-en {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-muted);
            letter-spacing: 0.03em;
            margin-top: 2px;
        }
        .term-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 13px;
            cursor: pointer;
            transition: all var(--transition-base);
            margin-top: 8px;
        }
        .term-more:hover {
            color: var(--color-ink);
        }
        .term-detail {
            display: none;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px dashed rgba(17, 18, 20, 0.1);
            font-size: 14px;
            color: var(--color-secondary);
            line-height: 1.7;
        }
        .term-detail.open {
            display: block;
        }
        .faq-item {
            border: 1px solid rgba(17, 18, 20, 0.08);
            border-radius: 12px;
            background: var(--color-white);
            overflow: hidden;
            transition: all var(--transition-base);
            margin-bottom: 12px;
        }
        .faq-item:hover {
            border-color: rgba(17, 18, 20, 0.14);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            text-align: left;
            transition: all var(--transition-base);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(17, 18, 20, 0.05);
            transition: all var(--transition-base);
            font-size: 14px;
        }
        .faq-item.open .faq-question .faq-icon {
            background: rgba(23, 217, 178, 0.15);
            color: var(--color-accent);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 20px;
            background: #FAFBFC;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--color-secondary);
            line-height: 1.7;
        }
        .cta-dark {
            background: var(--color-deep);
            border-radius: 24px;
            padding: 48px 32px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-dark::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(23, 217, 178, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .form-input {
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid rgba(17, 18, 20, 0.12);
            background: var(--color-white);
            color: var(--color-primarytext);
            font-size: 14px;
            transition: all var(--transition-base);
            width: 100%;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(23, 217, 178, 0.1);
        }
        .form-input::placeholder {
            color: var(--color-muted);
        }
        .rank-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(17, 18, 20, 0.05);
        }
        .rank-bar:last-child {
            border-bottom: none;
        }
        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(17, 18, 20, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            color: var(--color-secondary);
            flex-shrink: 0;
        }
        .rank-num.top1 {
            background: rgba(255, 77, 46, 0.12);
            color: var(--color-vermilion);
        }
        .rank-num.top2 {
            background: rgba(23, 217, 178, 0.15);
            color: #0d9d7f;
        }
        .rank-num.top3 {
            background: rgba(255, 170, 0, 0.15);
            color: #b8860b;
        }
        .path-card {
            background: var(--color-white);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            border: 1px solid rgba(17, 18, 20, 0.08);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
        }
        .path-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .path-number {
            font-size: 40px;
            font-weight: 800;
            color: rgba(17, 18, 20, 0.06);
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 12px;
        }
        .path-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }
        .path-card p {
            font-size: 13px;
            color: var(--color-secondary);
            line-height: 1.7;
        }