/* roulang page: index */
:root {
            --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
            --header-h: 72px;
            --brand-500: #0FBF9A;
            --brand-400: #2CCFAD;
            --brand-300: #5ADBC2;
            --accent-400: #F5B84B;
            --night-900: #0F1B19;
            --night-800: #172422;
            --night-950: #0A1312;
            --paper: #F5F1E8;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--night-900);
            color: rgba(245, 241, 232, 0.92);
            font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', 'system-ui', 'sans-serif';
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            line-height: 1.7;
            margin: 0;
        }

        ::selection {
            background: rgba(15, 191, 154, 0.35);
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin-inline: auto;
            padding-inline: 1rem;
            width: 100%;
        }

        @media (min-width: 768px) {
            .container {
                padding-inline: 1.5rem;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            background: rgba(15, 27, 25, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
        }

        .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border: 2px solid var(--brand-400);
            border-radius: 999px 999px 4px 4px;
            display: inline-block;
            position: relative;
            transition: filter 0.2s var(--ease-out);
            flex-shrink: 0;
        }

        .logo-mark::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 6px;
            background: var(--brand-500);
            border-radius: 0 0 4px 4px;
        }

        .logo:hover .logo-mark {
            filter: brightness(1.1);
        }

        .logo-name {
            font-weight: 800;
            font-size: 18px;
            color: var(--paper);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .logo-sub {
            font-size: 11px;
            color: rgba(245, 241, 232, 0.5);
            letter-spacing: 0.12em;
            line-height: 1.2;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            color: rgba(245, 241, 232, 0.7);
            transition: all 0.2s var(--ease-out);
            white-space: nowrap;
        }

        .nav-chip:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-chip:focus-visible {
            outline: 2px solid var(--brand-500);
            outline-offset: 2px;
        }

        .nav-chip.active {
            background: rgba(15, 191, 154, 0.15);
            color: var(--brand-300);
            font-weight: 500;
        }

        .mobile-nav {
            overflow-x: auto;
            padding: 0 1rem 12px;
            display: flex;
            gap: 4px;
            scrollbar-width: none;
        }

        .mobile-nav::-webkit-scrollbar {
            display: none;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            font-weight: 600;
            transition: all 0.25s var(--ease-out);
            cursor: pointer;
            border: none;
            outline: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand-500);
            color: #0A1312;
            padding: 10px 24px;
            font-size: 14px;
        }

        .btn-primary:hover {
            background: var(--brand-400);
            box-shadow: 0 0 0 3px rgba(15, 191, 154, 0.3);
        }

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

        .btn-primary:focus-visible {
            box-shadow: 0 0 0 3px rgba(15, 191, 154, 0.4), 0 0 0 6px rgba(15, 191, 154, 0.2);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--paper);
            padding: 10px 24px;
            font-size: 14px;
        }

        .btn-ghost:hover {
            border-color: rgba(15, 191, 154, 0.6);
            color: var(--brand-400);
            background: rgba(15, 191, 154, 0.08);
        }

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

        .btn-ghost:focus-visible {
            box-shadow: 0 0 0 3px rgba(15, 191, 154, 0.3);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 15px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            overflow: hidden;
            padding-top: var(--header-h);
            background: linear-gradient(135deg, #0F1B19 0%, #1E2D2A 60%, #0F1B19 100%);
        }

        .hero-grid {
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(245, 241, 232, 0.07) 1px, transparent 1px);
            background-size: 28px 28px;
            opacity: 0.6;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 184, 75, 0.12);
            border: 1px solid rgba(245, 184, 75, 0.3);
            color: var(--accent-400);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 999px;
            background: var(--accent-400);
            display: inline-block;
        }

        .hero h1 {
            font-size: 34px;
            line-height: 1.15;
            font-weight: 800;
            color: var(--paper);
            letter-spacing: -0.02em;
            margin: 0 0 16px;
        }

        @media (min-width: 768px) {
            .hero h1 {
                font-size: 48px;
            }
        }

        .hero-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(245, 241, 232, 0.6);
            max-width: 520px;
            margin: 0 0 28px;
        }

        @media (min-width: 768px) {
            .hero-subtitle {
                font-size: 18px;
            }
        }

        .hero-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 36px;
        }

        @media (min-width: 640px) {
            .hero-actions {
                flex-direction: row;
                gap: 16px;
            }
        }

        .trust-points {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            font-size: 13px;
            color: rgba(245, 241, 232, 0.5);
        }

        .trust-points span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .trust-points span::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 999px;
            background: var(--brand-500);
        }

        .hero-visual {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: linear-gradient(135deg, #1E2D2A, #0F1B19);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-visual.fallback-bg {
            background:
                radial-gradient(rgba(15, 191, 154, 0.15) 1px, transparent 1px),
                linear-gradient(135deg, #1E2D2A, #0F1B19);
            background-size: 24px 24px, cover;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 19, 18, 0.85) 0%, transparent 55%);
        }

        .live-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(10, 19, 18, 0.75);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            color: var(--paper);
            letter-spacing: 0.04em;
        }

        .live-dot {
            width: 7px;
            height: 7px;
            border-radius: 999px;
            background: #FF4D4F;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        .score-card {
            position: absolute;
            right: 16px;
            bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(23, 36, 34, 0.82);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 14px;
            padding: 12px 18px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .score-team {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.7);
        }

        .score-num {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent-400);
            font-variant-numeric: tabular-nums;
        }

        /* ===== 品牌理念条 ===== */
        .story-strip {
            background: rgba(4, 61, 51, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .story-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
        }

        @media (min-width: 768px) {
            .story-inner {
                flex-direction: row;
            }
        }

        .story-slogan {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.8);
            letter-spacing: 0.02em;
        }

        @media (min-width: 768px) {
            .story-slogan {
                font-size: 15px;
            }
        }

        .story-metrics {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .metric {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .metric-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent-400);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .metric-label {
            font-size: 12px;
            color: rgba(245, 241, 232, 0.5);
            margin-top: 2px;
        }

        /* ===== 板块标题 ===== */
        .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--paper);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin: 0 0 6px;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 30px;
            }
        }

        .section-subtitle {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.5);
            margin: 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--night-800);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s var(--ease-out);
            display: block;
        }

        .card:hover {
            box-shadow: 0 8px 30px rgba(15, 191, 154, 0.15);
            border-color: rgba(15, 191, 154, 0.4);
            transform: translateY(-4px);
        }

        .card:focus-visible {
            outline: 2px solid var(--brand-500);
            outline-offset: 2px;
        }

        .card-cover {
            position: relative;
            overflow: hidden;
            background: #1E2D2A;
        }

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

        .card-body {
            padding: 20px;
        }

        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--paper);
            line-height: 1.4;
            margin: 8px 0 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-summary {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.6);
            line-height: 1.6;
            margin: 0 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: rgba(245, 241, 232, 0.4);
            flex-wrap: wrap;
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--brand-400);
            margin-top: 12px;
            transition: gap 0.2s var(--ease-out);
        }

        .btn-link:hover {
            gap: 8px;
            color: var(--brand-300);
        }

        /* ===== chip ===== */
        .chip {
            display: inline-flex;
            align-items: center;
            border-radius: 999px;
            padding: 3px 12px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(15, 191, 154, 0.12);
            color: var(--brand-300);
            line-height: 1.4;
        }

        .chip-accent {
            background: rgba(245, 184, 75, 0.12);
            color: var(--accent-400);
        }

        /* ===== 紧凑列表 ===== */
        .compact-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .compact-item {
            display: flex;
            gap: 14px;
            padding: 14px 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: background 0.2s var(--ease-out);
            border-radius: 8px;
        }

        .compact-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .compact-item:focus-visible {
            outline: 2px solid var(--brand-500);
            outline-offset: 2px;
        }

        .compact-dot {
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: var(--brand-500);
            margin-top: 7px;
            flex-shrink: 0;
        }

        .compact-content {
            flex: 1;
            min-width: 0;
        }

        .compact-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--paper);
            line-height: 1.4;
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .compact-summary {
            font-size: 12px;
            color: rgba(245, 241, 232, 0.5);
            margin: 0 0 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .compact-meta {
            font-size: 11px;
            color: rgba(245, 241, 232, 0.35);
        }

        /* ===== 精选内容 ===== */
        .featured-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            background: rgba(15, 191, 154, 0.1);
            margin-bottom: 16px;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 32px;
        }

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

        /* ===== 信任背书 ===== */
        .trust-section {
            border-top: 1px solid rgba(245, 184, 75, 0.25);
            background: rgba(23, 36, 34, 0.5);
        }

        .trust-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            padding: 32px 0;
        }

        @media (min-width: 768px) {
            .trust-inner {
                flex-direction: row;
                justify-content: space-between;
            }
        }

        .trust-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--paper);
            margin: 0;
            white-space: nowrap;
        }

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .trust-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(245, 241, 232, 0.65);
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.2s var(--ease-out);
        }

        .trust-badge:hover {
            color: var(--brand-300);
            border-color: rgba(15, 191, 154, 0.3);
        }

        .trust-badge svg {
            width: 16px;
            height: 16px;
            color: var(--accent-400);
        }

        /* ===== CTA 订阅区 ===== */
        .cta-card {
            background: linear-gradient(145deg, #065A4B, #043D33);
            border: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
        }

        .cta-card .section-title {
            color: var(--paper);
        }

        .cta-card .section-subtitle {
            color: rgba(245, 241, 232, 0.6);
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 480px;
            margin: 32px auto 0;
        }

        @media (min-width: 640px) {
            .cta-form {
                flex-direction: row;
            }
        }

        .cta-input {
            flex: 1;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 12px 20px;
            font-size: 14px;
            color: var(--paper);
            outline: none;
            transition: all 0.2s var(--ease-out);
        }

        .cta-input::placeholder {
            color: rgba(245, 241, 232, 0.35);
        }

        .cta-input:focus {
            border-color: var(--brand-500);
            box-shadow: 0 0 0 3px rgba(15, 191, 154, 0.25);
        }

        .cta-note {
            font-size: 12px;
            color: rgba(245, 241, 232, 0.35);
            margin-top: 12px;
            text-align: center;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--night-950);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 48px 0 24px;
        }

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

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

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(245, 241, 232, 0.5);
            margin-top: 16px;
            max-width: 280px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(245, 241, 232, 0.8);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-links a {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.45);
            transition: color 0.2s var(--ease-out);
        }

        .footer-links a:hover {
            color: var(--brand-400);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(245, 241, 232, 0.35);
        }

        /* ===== 空状态 ===== */
        .empty-state {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 48px 24px;
            background: rgba(23, 36, 34, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            color: rgba(245, 241, 232, 0.45);
            font-size: 14px;
        }

        /* ===== 通用间距 ===== */
        .section-pad {
            padding: 56px 0;
        }

        @media (min-width: 768px) {
            .section-pad {
                padding: 72px 0;
            }
        }

/* roulang page: article */
:root {
            --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
            --header-h: 72px;
            --brand: #0FBF9A;
            --brand-hover: #2CCFAD;
            --accent: #F5B84B;
            --night-900: #0F1B19;
            --night-800: #172422;
            --paper: #F5F1E8;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            background-color: var(--night-900);
            color: rgba(245,241,232,0.92);
            font-family: 'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','system-ui','sans-serif';
            -webkit-font-smoothing: antialiased;
            line-height: 1.6;
        }
        ::selection { background: rgba(15,191,154,0.35); }
        a { color: inherit; text-decoration: none; transition: color .25s var(--ease-out); }
        img { max-width: 100%; display: block; }
        button, input { font-family: inherit; }

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 768px) {
            .container { padding-left: 24px; padding-right: 24px; }
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(15,27,25,0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            height: var(--header-h);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            border: 2px solid var(--brand);
            border-radius: 20px 20px 6px 6px;
            position: relative;
            display: inline-block;
            transition: filter .25s var(--ease-out);
            flex-shrink: 0;
        }
        .logo-mark::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 14px;
            height: 6px;
            background: var(--night-900);
            border-radius: 0 0 4px 4px;
        }
        .logo:hover .logo-mark { filter: brightness(1.15); }
        .logo-name { font-weight: 800; font-size: 20px; color: var(--paper); letter-spacing: -0.02em; line-height: 1.1; }
        .logo-sub { font-size: 11px; color: rgba(245,241,232,0.5); letter-spacing: 0.08em; line-height: 1.2; }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-chips::-webkit-scrollbar { display: none; }
        .nav-chip {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 14px;
            color: rgba(245,241,232,0.7);
            white-space: nowrap;
            font-weight: 500;
            transition: all .25s var(--ease-out);
        }
        .nav-chip:hover {
            color: #fff;
            background: rgba(255,255,255,0.06);
        }
        .nav-chip.active {
            background: rgba(15,191,154,0.15);
            color: #5ADBC2;
            font-weight: 600;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand);
            color: #0F1B19;
            font-weight: 700;
            border-radius: 999px;
            padding: 10px 24px;
            font-size: 14px;
            transition: all .25s var(--ease-out);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--brand-hover);
            box-shadow: 0 0 0 3px rgba(15,191,154,0.3);
        }
        .btn-primary:active { transform: scale(0.98); }
        .btn-primary:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(15,191,154,0.4); }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            color: var(--paper);
            font-weight: 600;
            border-radius: 999px;
            padding: 10px 24px;
            font-size: 14px;
            transition: all .25s var(--ease-out);
            cursor: pointer;
        }
        .btn-ghost:hover {
            border-color: rgba(15,191,154,0.6);
            color: var(--brand-hover);
            background: rgba(15,191,154,0.08);
        }
        .btn-ghost:active { transform: scale(0.98); }
        .btn-ghost:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(15,191,154,0.3); }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: rgba(245,241,232,0.5);
            padding-top: 28px;
        }
        .breadcrumb a { color: rgba(245,241,232,0.6); }
        .breadcrumb a:hover { color: var(--brand-hover); }
        .breadcrumb .sep { color: rgba(245,241,232,0.3); }
        .breadcrumb .current { color: rgba(245,241,232,0.85); }

        /* ===== Article Header ===== */
        .article-header {
            padding: 40px 0 32px;
            position: relative;
        }
        .article-header::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }
        .article-title {
            font-size: 32px;
            line-height: 1.25;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--paper);
            max-width: 860px;
        }
        @media (min-width: 768px) {
            .article-title { font-size: 42px; }
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
            font-size: 14px;
            color: rgba(245,241,232,0.55);
        }
        .chip {
            display: inline-flex;
            align-items: center;
            background: rgba(15,191,154,0.15);
            color: #5ADBC2;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 999px;
        }
        .chip-accent {
            background: rgba(245,184,75,0.15);
            color: #F5B84B;
        }
        .meta-icon { width: 14px; height: 14px; margin-right: 4px; opacity: 0.6; }

        /* ===== Article Body ===== */
        .article-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .article-body {
            background: var(--paper);
            color: #13201D;
            border-radius: 1rem;
            padding: 28px 24px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.3);
            line-height: 1.85;
            font-size: 16px;
        }
        @media (min-width: 768px) {
            .article-body { padding: 44px 52px; font-size: 17px; }
        }
        .article-body p { margin-bottom: 1.4em; }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 2em 0 0.8em;
            color: #0F1B19;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .article-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 1.8em 0 0.6em;
            color: #0F1B19;
        }
        .article-body h4 {
            font-size: 17px;
            font-weight: 600;
            margin: 1.4em 0 0.4em;
            color: #0F1B19;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.4em 1.4em;
            padding: 0;
        }
        .article-body ul { list-style: disc; }
        .article-body ol { list-style: decimal; }
        .article-body li { margin-bottom: 0.4em; }
        .article-body blockquote {
            border-left: 4px solid var(--brand);
            margin: 1.6em 0;
            padding: 12px 20px;
            background: rgba(15,191,154,0.06);
            border-radius: 0 10px 10px 0;
            color: rgba(19,32,29,0.8);
            font-style: italic;
        }
        .article-body img {
            border-radius: 12px;
            margin: 1.6em 0;
            width: 100%;
            height: auto;
        }
        .article-body a {
            color: #0AA182;
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover { color: #087D66; }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
            font-size: 15px;
        }
        .article-body th,
        .article-body td {
            border: 1px solid rgba(0,0,0,0.12);
            padding: 10px 12px;
            text-align: left;
        }
        .article-body th { background: rgba(15,191,154,0.08); font-weight: 600; }
        .article-body code {
            background: rgba(15,27,25,0.08);
            border-radius: 4px;
            padding: 2px 6px;
            font-size: 0.9em;
            font-family: 'SFMono-Regular', Consolas, monospace;
        }
        .article-body pre {
            background: #0F1B19;
            color: #E6FCF7;
            padding: 16px 20px;
            border-radius: 10px;
            overflow-x: auto;
            margin: 1.6em 0;
            font-size: 14px;
            line-height: 1.6;
        }
        .article-body pre code { background: transparent; color: inherit; padding: 0; }
        .article-body hr { border: none; border-top: 1px solid rgba(0,0,0,0.1); margin: 2em 0; }

        /* ===== Article Empty ===== */
        .article-empty {
            background: rgba(255,255,255,0.03);
            border: 1px dashed rgba(255,255,255,0.15);
            border-radius: 1rem;
            padding: 60px 24px;
            text-align: center;
        }
        .article-empty p { font-size: 16px; color: rgba(245,241,232,0.6); margin-bottom: 20px; }

        /* ===== Tags & Share ===== */
        .tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.08);
            color: rgba(245,241,232,0.7);
            font-size: 13px;
            transition: all .2s var(--ease-out);
        }
        .tag-chip:hover {
            background: rgba(15,191,154,0.12);
            border-color: rgba(15,191,154,0.4);
            color: #5ADBC2;
        }
        .share-btns { display: flex; gap: 10px; }
        .share-btn {
            width: 38px;
            height: 38px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            color: rgba(245,241,232,0.65);
            transition: all .25s var(--ease-out);
        }
        .share-btn:hover {
            background: rgba(15,191,154,0.14);
            border-color: rgba(15,191,154,0.4);
            color: #5ADBC2;
            transform: translateY(-2px);
        }

        /* ===== Cards ===== */
        .card {
            background: var(--night-800);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 1rem;
            overflow: hidden;
            transition: all .3s var(--ease-out);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card:hover {
            box-shadow: 0 8px 30px rgba(15,191,154,0.15);
            border-color: rgba(15,191,154,0.4);
            transform: translateY(-4px);
        }
        .card-cover { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: #1E2D2A; }
        .card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--paper);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-title:hover { color: #5ADBC2; }
        .card-excerpt {
            font-size: 14px;
            color: rgba(245,241,232,0.55);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
            flex: 1;
        }
        .card-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: rgba(245,241,232,0.4); }

        /* ===== Section ===== */
        .section-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--paper);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 6px;
        }
        .section-sub { font-size: 15px; color: rgba(245,241,232,0.55); }
        .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
        .link-more {
            font-size: 14px;
            color: rgba(245,241,232,0.6);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all .25s var(--ease-out);
            white-space: nowrap;
        }
        .link-more:hover { color: #5ADBC2; }

        /* ===== CTA ===== */
        .cta-card {
            background: linear-gradient(135deg, #043D33 0%, #0F1B19 100%);
            border: 1px solid rgba(15,191,154,0.2);
            border-radius: 1.5rem;
            padding: 40px 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        @media (min-width: 768px) { .cta-card { padding: 60px 40px; } }
        .cta-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
            background-size: 20px 20px;
            pointer-events: none;
        }
        .cta-title { font-size: 26px; font-weight: 800; color: var(--paper); margin-bottom: 10px; position: relative; }
        .cta-desc { font-size: 15px; color: rgba(245,241,232,0.65); margin-bottom: 24px; position: relative; }
        .cta-btn-row { position: relative; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

        /* ===== Footer ===== */
        .footer {
            background: #0A1312;
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            padding: 48px 0 32px;
        }
        @media (min-width: 768px) {
            .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; gap: 40px; }
        }
        .footer-desc { font-size: 14px; color: rgba(245,241,232,0.55); margin-top: 12px; line-height: 1.6; }
        .footer-title { font-size: 14px; font-weight: 600; color: rgba(245,241,232,0.85); margin-bottom: 14px; }
        .footer-links { list-style: none; padding: 0; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { font-size: 14px; color: rgba(245,241,232,0.5); }
        .footer-links a:hover { color: #5ADBC2; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(245,241,232,0.35);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .header-inner { gap: 12px; }
            .nav-chips { justify-content: flex-start; }
        }
        @media (max-width: 767px) {
            .site-header { height: auto; padding: 10px 0; }
            .header-inner { flex-wrap: wrap; height: auto; gap: 8px; }
            .nav-chips { order: 3; width: 100%; }
            .btn-primary { padding: 8px 18px; font-size: 13px; }
            .article-title { font-size: 26px; }
            .article-body { padding: 22px 18px; }
            .cta-title { font-size: 22px; }
        }
        @media (max-width: 520px) {
            .logo-name { font-size: 18px; }
            .logo-mark { width: 34px; height: 34px; }
            .nav-chip { padding: 5px 12px; font-size: 13px; }
            .article-body { border-radius: 0.75rem; }
            .card-body { padding: 16px; }
        }

/* roulang page: category1 */
:root {
            --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
            --header-h: 72px;
            --brand: #0FBF9A;
            --brand-400: #2CCFAD;
            --accent: #F5B84B;
            --night-900: #0F1B19;
            --night-800: #172422;
            --night-950: #0A1312;
            --paper: #F5F1E8;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--night-900);
            color: rgba(245, 241, 232, 0.92);
            font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', system-ui, sans-serif;
            -webkit-font-smoothing: antialiased;
            line-height: 1.75;
            font-size: 16px;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: 6px;
        }

        ::selection {
            background: rgba(15, 191, 154, 0.35);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ---------- Header ---------- */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(15, 27, 25, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .header-top {
            height: var(--header-h);
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            border: 2.5px solid var(--brand-400);
            border-top-left-radius: 999px;
            border-top-right-radius: 999px;
            border-bottom-left-radius: 5px;
            border-bottom-right-radius: 5px;
            position: relative;
            display: inline-block;
            background: rgba(15, 191, 154, 0.08);
            transition: filter 0.25s var(--ease-out);
        }

        .logo:hover .logo-mark {
            filter: brightness(1.15);
        }

        .logo-mark::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 4px;
            transform: translateX(-50%);
            width: 16px;
            height: 2.5px;
            background: var(--brand-400);
            border-radius: 2px;
        }

        .logo-name {
            font-size: 18px;
            font-weight: 800;
            color: var(--paper);
            letter-spacing: -0.02em;
            line-height: 1.15;
        }

        .logo-sub {
            font-size: 11px;
            color: rgba(245, 241, 232, 0.5);
            letter-spacing: 0.08em;
            line-height: 1.15;
            margin-top: 2px;
        }

        .nav-chips {
            display: flex;
            gap: 6px;
            margin: 0 auto;
            align-items: center;
        }

        .nav-chip {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            color: rgba(245, 241, 232, 0.7);
            white-space: nowrap;
            transition: all 0.25s var(--ease-out);
        }

        .nav-chip:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-chip.active {
            background: rgba(15, 191, 154, 0.15);
            color: #5ADBC2;
            font-weight: 500;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s var(--ease-out);
            border: none;
            font-family: inherit;
        }

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

        .btn-primary {
            background: var(--brand);
            color: #0A1312;
            padding: 10px 24px;
            font-size: 14px;
        }

        .btn-primary:hover {
            background: var(--brand-400);
            box-shadow: var(--glow, 0 0 0 3px rgba(15, 191, 154, 0.3));
            transform: translateY(-1px);
        }

        .btn-ghost {
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--paper);
            padding: 10px 24px;
            font-size: 14px;
            background: transparent;
        }

        .btn-ghost:hover {
            border-color: rgba(15, 191, 154, 0.6);
            color: #2CCFAD;
            background: rgba(15, 191, 154, 0.08);
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 15px;
        }

        .btn-light {
            border-color: rgba(255, 255, 255, 0.25);
        }

        .mobile-nav {
            display: none;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 8px 0;
            background: rgba(10, 19, 18, 0.85);
        }

        .mobile-nav-scroll {
            display: flex;
            gap: 6px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

        .mobile-nav-scroll::-webkit-scrollbar {
            display: none;
        }

        @media (max-width: 1023px) {
            .mobile-nav {
                display: block;
            }
        }

        /* ---------- Hero ---------- */
        .hero {
            position: relative;
            padding: calc(var(--header-h) + 64px) 0 80px;
            background: linear-gradient(135deg, #0A1312 0%, #1E2D2A 100%);
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(15, 191, 154, 0.16) 1px, transparent 1px);
            background-size: 28px 28px;
            opacity: 0.35;
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 184, 75, 0.12);
            border: 1px solid rgba(245, 184, 75, 0.25);
            color: #FFD58A;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 999px;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .hero-content h1 {
            font-size: 48px;
            line-height: 1.15;
            font-weight: 800;
            color: var(--paper);
            letter-spacing: -0.02em;
            margin: 22px 0 14px;
        }

        .hero-content h1 .brand-text {
            color: var(--brand-400);
        }

        .hero-sub {
            font-size: 17px;
            color: rgba(245, 241, 232, 0.6);
            max-width: 440px;
            line-height: 1.7;
        }

        .hero-actions {
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-trust {
            margin-top: 40px;
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .trust-item {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .trust-item::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand);
            flex-shrink: 0;
        }

        .hero-visual {
            position: relative;
            border-radius: 1rem;
            background: linear-gradient(160deg, #1E2D2A, #0A1312);
            min-height: 340px;
            overflow: hidden;
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hero-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .hero-score-card {
            position: absolute;
            right: 16px;
            bottom: 16px;
            background: rgba(23, 36, 34, 0.85);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 14px;
            padding: 14px 20px;
            min-width: 200px;
        }

        .live-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: #FFD58A;
            letter-spacing: 0.06em;
        }

        .live-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #F5B84B;
        }

        .score-line {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 8px;
        }

        .score-team {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.75);
        }

        .score-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
        }

        .score-divider {
            font-size: 16px;
            color: rgba(245, 241, 232, 0.35);
        }

        .score-sub {
            display: block;
            margin-top: 4px;
            font-size: 11px;
            color: rgba(245, 241, 232, 0.35);
        }

        @media (max-width: 1023px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-content h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding: calc(var(--header-h) + 40px) 0 52px;
            }

            .hero-content h1 {
                font-size: 30px;
            }

            .hero-trust {
                gap: 16px;
            }
        }

        /* ---------- Stats ---------- */
        .stats-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            background: rgba(10, 19, 18, 0.6);
            padding: 36px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.5);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .stat-num {
                font-size: 24px;
            }
        }

        /* ---------- Sections ---------- */
        .section {
            padding: 76px 0;
        }

        .section-alt {
            background: rgba(10, 19, 18, 0.5);
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--paper);
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .section-head p {
            margin-top: 10px;
            font-size: 15px;
            color: rgba(245, 241, 232, 0.55);
            max-width: 560px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .section-head h2 {
                font-size: 22px;
            }
        }

        /* ---------- Cat Cards ---------- */
        .cat-card {
            display: flex;
            flex-direction: column;
            background: var(--night-800);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1rem;
            overflow: hidden;
            transition: all 0.3s var(--ease-out);
        }

        .cat-card:hover {
            box-shadow: 0 8px 30px rgba(15, 191, 154, 0.15);
            border-color: rgba(15, 191, 154, 0.4);
            transform: translateY(-4px);
        }

        .cat-img {
            background: #1E2D2A;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

        .cat-body {
            padding: 22px 24px 24px;
        }

        .cat-tag {
            display: inline-block;
            background: rgba(15, 191, 154, 0.15);
            color: #5ADBC2;
            font-size: 12px;
            padding: 4px 14px;
            border-radius: 999px;
            font-weight: 500;
            margin-bottom: 12px;
        }

        .cat-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--paper);
            line-height: 1.4;
        }

        .cat-body p {
            margin-top: 8px;
            font-size: 14px;
            color: rgba(245, 241, 232, 0.55);
            line-height: 1.65;
        }

        /* ---------- Feature Cards ---------- */
        .feature-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1rem;
            padding: 32px 28px;
            transition: all 0.3s var(--ease-out);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--brand), transparent);
            opacity: 0;
            transition: opacity 0.3s var(--ease-out);
        }

        .feature-card:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(15, 191, 154, 0.3);
            box-shadow: 0 8px 30px rgba(15, 191, 154, 0.12);
            transform: translateY(-3px);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            font-size: 30px;
            margin-bottom: 18px;
            display: inline-block;
        }

        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--paper);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.55);
            line-height: 1.7;
        }

        /* ---------- Scenario Cards ---------- */
        .scenario-card {
            background: var(--night-800);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1rem;
            padding: 30px 28px;
            text-align: center;
            transition: all 0.3s var(--ease-out);
        }

        .scenario-card:hover {
            border-color: rgba(245, 184, 75, 0.35);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
            transform: translateY(-4px);
        }

        .scenario-icon {
            font-size: 32px;
            margin-bottom: 16px;
            display: inline-block;
        }

        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--paper);
            margin-bottom: 10px;
        }

        .scenario-card p {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.55);
            line-height: 1.7;
        }

        /* ---------- Steps ---------- */
        .step-item {
            position: relative;
            padding: 28px 24px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 1rem;
            transition: all 0.3s var(--ease-out);
        }

        .step-item:hover {
            border-color: rgba(15, 191, 154, 0.35);
            background: rgba(255, 255, 255, 0.05);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(15, 191, 154, 0.15);
            color: #5ADBC2;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 14px;
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--paper);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.5);
            line-height: 1.65;
        }

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

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .faq-item:first-child {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 4px;
            cursor: pointer;
            list-style: none;
            font-size: 16px;
            font-weight: 500;
            color: var(--paper);
            transition: color 0.25s var(--ease-out);
        }

        .faq-item summary:hover {
            color: #5ADBC2;
        }

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

        .faq-arrow {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            transition: transform 0.3s var(--ease-out);
            color: rgba(245, 241, 232, 0.5);
        }

        .faq-item[open] .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 4px 20px;
            font-size: 14px;
            color: rgba(245, 241, 232, 0.55);
            line-height: 1.75;
        }

        /* ---------- CTA ---------- */
        .cta-box {
            background: linear-gradient(135deg, #065A4B 0%, #043D33 60%, #0F1B19 100%);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 1.5rem;
            padding: 64px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(15, 191, 154, 0.12) 1px, transparent 1px);
            background-size: 24px 24px;
            opacity: 0.5;
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--paper);
            letter-spacing: -0.02em;
            position: relative;
        }

        .cta-box p {
            margin-top: 12px;
            font-size: 15px;
            color: rgba(245, 241, 232, 0.6);
            position: relative;
        }

        .cta-actions {
            margin-top: 32px;
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        @media (max-width: 768px) {
            .cta-box {
                padding: 44px 20px;
            }

            .cta-box h2 {
                font-size: 24px;
            }
        }

        /* ---------- Footer ---------- */
        .footer {
            background: var(--night-950);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 56px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.5);
            margin-top: 16px;
            max-width: 260px;
            line-height: 1.7;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(245, 241, 232, 0.8);
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.5);
        }

        .footer-links a:hover {
            color: #2CCFAD;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.35);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

/* roulang page: category2 */
:root {
            --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
            --header-h: 72px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: calc(var(--header-h) + 16px);
        }

        body {
            background-color: #0F1B19;
            color: rgba(245, 241, 232, 0.92);
            -webkit-font-smoothing: antialiased;
            font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', system-ui, sans-serif;
        }

        ::selection {
            background: rgba(15, 191, 154, 0.35);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 16px;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 24px;
            }
        }

        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: rgba(15, 27, 25, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 50;
        }

        .header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity 0.2s var(--ease-out);
        }

        .logo:hover {
            opacity: 0.85;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border: 2px solid #2CCFAD;
            border-radius: 50% 50% 0 0;
            border-bottom: none;
            position: relative;
            display: inline-block;
            flex-shrink: 0;
            transition: filter 0.2s var(--ease-out);
        }

        .logo-mark::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: #2CCFAD;
            border-radius: 2px;
        }

        .logo-mark::before {
            content: '';
            position: absolute;
            top: 8px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #F5B84B;
        }

        .logo-name {
            font-size: 18px;
            font-weight: 800;
            color: #F5F1E8;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .logo-sub {
            font-size: 11px;
            color: rgba(245, 241, 232, 0.5);
            line-height: 1.2;
            letter-spacing: 0.08em;
        }

        .nav-chips {
            display: none;
            gap: 4px;
            font-weight: normal;
        }

        @media (min-width: 1024px) {
            .nav-chips {
                display: flex;
            }
        }

        .nav-chip {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 14px;
            color: rgba(245, 241, 232, 0.7);
            text-decoration: none;
            transition: all 0.2s var(--ease-out);
            line-height: 1.4;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .nav-chip:hover {
            color: #F5F1E8;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-chip.active {
            background: rgba(15, 191, 154, 0.15);
            color: #5ADBC2;
            font-weight: 500;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            border-radius: 999px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.25s var(--ease-out);
            cursor: pointer;
            border: none;
            outline: none;
            line-height: 1.2;
            white-space: nowrap;
        }

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

        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 2px #0FBF9A, 0 0 0 4px rgba(15, 27, 25, 1);
        }

        .btn-primary {
            background: #0FBF9A;
            color: #0F1B19;
            padding: 10px 24px;
            font-size: 14px;
        }

        .btn-primary:hover {
            background: #2CCFAD;
            box-shadow: 0 0 0 3px rgba(15, 191, 154, 0.3);
        }

        .btn-primary-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #F5F1E8;
            padding: 10px 24px;
            font-size: 14px;
        }

        .btn-ghost:hover {
            border-color: rgba(15, 191, 154, 0.6);
            color: #2CCFAD;
            background: rgba(15, 191, 154, 0.08);
        }

        .btn-ghost-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .hero-banner {
            position: relative;
            padding: 108px 0 64px;
            background: linear-gradient(135deg, #0F1B19 0%, #1E2D2A 100%);
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(15, 191, 154, 0.15) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .hero-banner .container {
            position: relative;
            z-index: 1;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: #FFD58A;
            background: rgba(245, 184, 75, 0.08);
            border: 1px solid rgba(245, 184, 75, 0.2);
            letter-spacing: 0.02em;
        }

        .section-title {
            font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
            font-weight: 800;
            color: #F5F1E8;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            color: rgba(245, 241, 232, 0.6);
            line-height: 1.6;
        }

        h1.hero-title {
            color: #F5F1E8;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
        }

        h1.hero-title .highlight {
            color: #2CCFAD;
        }

        .guide-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 28px;
            transition: all 0.3s var(--ease-out);
            margin-bottom: 24px;
        }

        .guide-card:hover {
            border-color: rgba(15, 191, 154, 0.4);
            box-shadow: 0 8px 30px rgba(15, 191, 154, 0.12);
        }

        .guide-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(15, 191, 154, 0.15);
            color: #2CCFAD;
            font-weight: 800;
            font-size: 15px;
            margin-bottom: 16px;
        }

        .sticky-menu {
            position: sticky;
            top: calc(var(--header-h) + 24px);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 24px;
        }

        .sticky-menu-title {
            font-size: 13px;
            font-weight: 600;
            color: rgba(245, 241, 232, 0.45);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sticky-menu a {
            display: block;
            padding: 8px 12px;
            border-radius: 10px;
            font-size: 14px;
            color: rgba(245, 241, 232, 0.7);
            text-decoration: none;
            transition: all 0.2s var(--ease-out);
            border-left: 2px solid transparent;
            margin-bottom: 2px;
        }

        .sticky-menu a:hover {
            color: #2CCFAD;
            background: rgba(15, 191, 154, 0.06);
            border-left-color: #0FBF9A;
        }

        .sticky-menu a.current {
            color: #5ADBC2;
            font-weight: 500;
            background: rgba(15, 191, 154, 0.1);
            border-left-color: #0FBF9A;
        }

        .guide-step {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
        }

        .guide-step::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #0FBF9A;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            font-size: 15px;
            font-weight: 500;
            color: #F5F1E8;
            transition: color 0.2s var(--ease-out);
            user-select: none;
        }

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

        .faq-item summary:hover {
            color: #2CCFAD;
        }

        .faq-item summary .chevron {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            color: rgba(245, 241, 232, 0.4);
            transition: transform 0.3s var(--ease-out);
        }

        .faq-item[open] summary .chevron {
            transform: rotate(180deg);
            color: #2CCFAD;
        }

        .faq-answer {
            padding: 0 0 18px;
            font-size: 14px;
            color: rgba(245, 241, 232, 0.6);
            line-height: 1.7;
        }

        .cta-section {
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(6, 90, 75, 0.6), rgba(15, 27, 25, 0.9));
            border: 1px solid rgba(15, 191, 154, 0.25);
            padding: 40px 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(15, 191, 154, 0.1) 1px, transparent 1px);
            background-size: 20px 20px;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .footer {
            background: #0A1312;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 48px;
            margin-top: 0;
        }

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

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 48px;
            }
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(245, 241, 232, 0.5);
            margin-top: 14px;
            max-width: 280px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(245, 241, 232, 0.8);
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.5);
            text-decoration: none;
            transition: color 0.2s var(--ease-out);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a::before {
            content: '';
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: rgba(15, 191, 154, 0.5);
            flex-shrink: 0;
        }

        .footer-links a:hover {
            color: #2CCFAD;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.35);
        }

        .mobile-nav {
            display: flex;
            overflow-x: auto;
            gap: 8px;
            padding: 8px 16px;
            background: rgba(15, 27, 25, 0.98);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            z-index: 45;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

        .mobile-nav::-webkit-scrollbar {
            display: none;
        }

        .mobile-nav a {
            flex-shrink: 0;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 14px;
            color: rgba(245, 241, 232, 0.7);
            text-decoration: none;
            transition: all 0.2s var(--ease-out);
            white-space: nowrap;
            background: transparent;
        }

        .mobile-nav a:hover {
            color: #F5F1E8;
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-nav a.active {
            background: rgba(15, 191, 154, 0.15);
            color: #5ADBC2;
        }

        @media (min-width: 1024px) {
            .mobile-nav {
                display: none;
            }
        }

        .page-main {
            padding-top: var(--header-h);
        }

        .banner-bg {
            position: relative;
            background-image: linear-gradient(180deg, rgba(15, 27, 25, 0.88), rgba(15, 27, 25, 0.6)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .banner-bg::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, #0F1B19);
        }

        .badge-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #F5B84B;
            margin-right: 6px;
            animation: none;
        }

        .badge-label {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: #FFD58A;
            background: rgba(245, 184, 75, 0.1);
            border: 1px solid rgba(245, 184, 75, 0.2);
            letter-spacing: 0.02em;
        }

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

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: rgba(245, 241, 232, 0.75);
            line-height: 1.6;
        }

        .feature-list li::before {
            content: '✓';
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: rgba(15, 191, 154, 0.15);
            color: #2CCFAD;
            font-size: 11px;
            font-weight: 700;
            margin-top: 2px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 16px;
            margin-top: 32px;
        }

        @media (min-width: 640px) {
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 20px;
            text-align: center;
        }

        .stat-value {
            font-size: 28px;
            font-weight: 800;
            color: #F5B84B;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.5);
            margin-top: 4px;
            line-height: 1.4;
        }