/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #7C3AED;
            --primary-light: #8B5CF6;
            --primary-dark: #6D28D9;
            --secondary: #F59E0B;
            --secondary-light: #FBBF24;
            --secondary-dark: #D97706;
            --accent: #EC4899;
            --bg: #0F0B1A;
            --bg-alt: #1A1530;
            --bg-card: #221D3A;
            --bg-card-hover: #2A2450;
            --text: #F5F3FF;
            --text-secondary: #C4B5FD;
            --text-muted: #8B7DB0;
            --border: rgba(139, 92, 246, 0.15);
            --border-light: rgba(139, 92, 246, 0.08);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container: 1200px;
            --nav-height: 72px;
            --section-gap: 100px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 4px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        img:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

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

        /* ===== 通用组件 ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            background: rgba(245, 158, 11, 0.1);
            padding: 4px 16px;
            border-radius: 20px;
            border: 1px solid rgba(245, 158, 11, 0.2);
        }
        .section-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--text) 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.6;
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            transition: all var(--transition);
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-color: var(--primary-light);
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
            color: #fff;
            box-shadow: 0 8px 32px rgba(124, 58, 237, 0.55);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0px);
            box-shadow: 0 2px 12px rgba(124, 58, 237, 0.3);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text);
            border-color: var(--border);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--primary-light);
            color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0px);
        }
        .btn-glow {
            animation: glow-pulse 3s ease-in-out infinite;
        }
        @keyframes glow-pulse {
            0%,
            100% {
                box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
            }
            50% {
                box-shadow: 0 4px 40px rgba(124, 58, 237, 0.7);
            }
        }

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(124, 58, 237, 0.15);
            color: var(--primary-light);
            border: 1px solid rgba(124, 58, 237, 0.2);
            transition: all var(--transition);
        }
        .badge-hot {
            background: rgba(239, 68, 68, 0.15);
            color: #F87171;
            border-color: rgba(239, 68, 68, 0.2);
        }
        .badge-new {
            background: rgba(245, 158, 11, 0.15);
            color: var(--secondary);
            border-color: rgba(245, 158, 11, 0.2);
        }
        .badge:hover {
            transform: translateY(-1px);
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .card:hover::before {
            opacity: 1;
        }

        .card-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 18px;
            aspect-ratio: 16/9;
            background: var(--bg-alt);
            position: relative;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.06);
        }
        .card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .card-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.3;
            color: var(--text);
        }
        .card-title a {
            color: inherit;
        }
        .card-title a:hover {
            color: var(--primary-light);
        }
        .card-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 11, 26, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: all var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 11, 26, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--secondary);
            font-size: 28px;
        }
        .logo span {
            background: linear-gradient(135deg, var(--text) 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover span {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main a {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-main a:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-main a.active {
            color: var(--text);
            background: rgba(124, 58, 237, 0.2);
            border: 1px solid rgba(124, 58, 237, 0.2);
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 4px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 40px;
        }
        .nav-search:focus-within {
            border-color: var(--primary-light);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 20px rgba(124, 58, 237, 0.15);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .nav-search input {
            background: none;
            border: none;
            color: var(--text);
            font-size: 14px;
            width: 140px;
            padding: 6px 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search input:focus {
            outline: none;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-light);
            color: var(--text);
            font-size: 20px;
            cursor: pointer;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* 移动端导航菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 11, 26, 0.98);
            backdrop-filter: blur(30px);
            -webkit-backdrop-filter: blur(30px);
            padding: 32px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
            opacity: 0;
            transform: translateY(-10px);
            transition: all 0.4s ease;
        }
        .mobile-menu.open {
            display: flex;
            opacity: 1;
            transform: translateY(0);
        }
        .mobile-menu a {
            display: block;
            padding: 16px 24px;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .mobile-menu a:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--border-light);
        }
        .mobile-menu a.active {
            color: var(--text);
            background: rgba(124, 58, 237, 0.15);
            border-color: rgba(124, 58, 237, 0.2);
        }
        .mobile-menu .mobile-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            padding: 0 16px;
            border: 1px solid var(--border-light);
            margin-bottom: 8px;
            height: 48px;
        }
        .mobile-menu .mobile-search i {
            color: var(--text-muted);
            margin-right: 12px;
        }
        .mobile-menu .mobile-search input {
            background: none;
            border: none;
            color: var(--text);
            font-size: 16px;
            width: 100%;
            padding: 8px 0;
        }
        .mobile-menu .mobile-search input::placeholder {
            color: var(--text-muted);
        }
        .mobile-menu .mobile-search input:focus {
            outline: none;
        }

        @media (max-width: 768px) {
            .nav-main {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-inner {
                padding: 0 16px;
            }
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 0 80px;
            overflow: hidden;
            background: var(--bg);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            filter: brightness(0.35) saturate(1.2);
            transform: scale(1.05);
            transition: transform 8s ease;
        }
        .hero:hover .hero-bg {
            transform: scale(1.0);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(135deg, rgba(15, 11, 26, 0.75) 0%, rgba(15, 11, 26, 0.3) 50%, rgba(124, 58, 237, 0.15) 100%);
        }
        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 1;
            overflow: hidden;
            pointer-events: none;
        }
        .hero-particles span {
            position: absolute;
            width: 6px;
            height: 6px;
            background: var(--primary-light);
            border-radius: 50%;
            opacity: 0.15;
            animation: float-particle 20s infinite ease-in-out;
        }
        .hero-particles span:nth-child(1) {
            top: 20%;
            left: 10%;
            animation-delay: 0s;
            width: 8px;
            height: 8px;
        }
        .hero-particles span:nth-child(2) {
            top: 60%;
            left: 80%;
            animation-delay: -5s;
            width: 4px;
            height: 4px;
        }
        .hero-particles span:nth-child(3) {
            top: 30%;
            left: 60%;
            animation-delay: -10s;
            width: 10px;
            height: 10px;
            background: var(--secondary);
        }
        .hero-particles span:nth-child(4) {
            top: 70%;
            left: 30%;
            animation-delay: -15s;
            width: 5px;
            height: 5px;
        }
        .hero-particles span:nth-child(5) {
            top: 10%;
            left: 90%;
            animation-delay: -7s;
            width: 7px;
            height: 7px;
            background: var(--accent);
        }
        @keyframes float-particle {
            0%,
            100% {
                transform: translateY(0) scale(1);
                opacity: 0.15;
            }
            50% {
                transform: translateY(-40px) scale(1.5);
                opacity: 0.3;
            }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            padding: 0 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: 50px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid rgba(245, 158, 11, 0.2);
            font-size: 14px;
            font-weight: 500;
            color: var(--secondary);
            margin-bottom: 24px;
            animation: fade-in-down 0.8s ease;
        }
        .hero-badge i {
            font-size: 12px;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hero-title {
            font-size: 62px;
            font-weight: 900;
            line-height: 1.08;
            margin-bottom: 20px;
            letter-spacing: -1.5px;
            animation: fade-in-up 0.8s ease 0.1s both;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 50%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 20px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.7;
            animation: fade-in-up 0.8s ease 0.2s both;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            animation: fade-in-up 0.8s ease 0.3s both;
        }
        .hero-actions .btn {
            min-width: 160px;
            justify-content: center;
        }
        .hero-stats {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 48px;
            margin-top: 60px;
            animation: fade-in-up 0.8s ease 0.4s both;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }
        .hero-stat-num span {
            color: var(--secondary);
        }
        .hero-stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .hero-stat-divider {
            width: 1px;
            height: 48px;
            background: var(--border-light);
        }

        @keyframes fade-in-up {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes fade-in-down {
            from {
                opacity: 0;
                transform: translateY(-16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 75vh;
                padding: 100px 0 60px;
            }
            .hero-title {
                font-size: 36px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stat-num {
                font-size: 28px;
            }
            .hero-stat-divider {
                display: none;
            }
            .hero-actions .btn {
                min-width: 140px;
                font-size: 14px;
                padding: 12px 24px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat {
                flex: 1;
                min-width: 80px;
            }
        }

        /* ===== 特色板块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 36px 28px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border);
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 26px;
            transition: all var(--transition);
        }
        .feature-icon.purple {
            background: rgba(124, 58, 237, 0.15);
            color: var(--primary-light);
        }
        .feature-icon.amber {
            background: rgba(245, 158, 11, 0.15);
            color: var(--secondary);
        }
        .feature-icon.pink {
            background: rgba(236, 72, 153, 0.15);
            color: var(--accent);
        }
        .feature-card:hover .feature-icon {
            transform: scale(1.1) rotate(-3deg);
        }
        .feature-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .feature-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 3/4;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            background: var(--bg-alt);
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
            border-color: var(--border);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
            filter: brightness(0.55);
        }
        .category-card:hover img {
            transform: scale(1.08);
            filter: brightness(0.7);
        }
        .category-card-overlay {
            position: relative;
            z-index: 2;
            padding: 24px;
            width: 100%;
            background: linear-gradient(transparent, rgba(15, 11, 26, 0.85) 50%);
        }
        .category-card .badge {
            margin-bottom: 8px;
            display: inline-block;
        }
        .category-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .category-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .category-card {
                aspect-ratio: 4/5;
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .category-card-overlay {
                padding: 16px;
            }
            .category-card-title {
                font-size: 16px;
            }
        }

        /* ===== 最新资讯列表 (CMS) ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 24px;
            transition: all var(--transition);
        }
        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border);
            transform: translateX(6px);
            box-shadow: var(--shadow-sm);
        }
        .news-thumb {
            width: 180px;
            min-height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-alt);
            aspect-ratio: 3/2;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-item:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-info .badge {
            margin-bottom: 8px;
            display: inline-block;
        }
        .news-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .news-title a {
            color: var(--text);
        }
        .news-title a:hover {
            color: var(--primary-light);
        }
        .news-excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-meta i {
            margin-right: 4px;
        }
        .news-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        .news-empty i {
            font-size: 40px;
            margin-bottom: 16px;
            display: block;
            opacity: 0.4;
        }

        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                gap: 16px;
                padding: 20px;
            }
            .news-thumb {
                width: 100%;
                aspect-ratio: 16/9;
                min-height: auto;
            }
            .news-title {
                font-size: 18px;
            }
            .news-meta {
                flex-wrap: wrap;
                gap: 12px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--bg-alt) 0%, #1A1530 100%);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            padding: 32px 16px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--border);
            transform: translateY(-4px);
        }
        .stat-item .stat-icon {
            font-size: 32px;
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .stat-item .stat-number {
            font-size: 42px;
            font-weight: 900;
            color: var(--text);
            line-height: 1.2;
        }
        .stat-item .stat-number span {
            color: var(--secondary);
        }
        .stat-item .stat-label {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 32px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
        }

        /* ===== 热门推荐 ===== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .hot-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .hot-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
            border-color: var(--border);
        }
        .hot-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-alt);
            position: relative;
        }
        .hot-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .hot-card:hover .hot-card-img img {
            transform: scale(1.06);
        }
        .hot-card-img .badge {
            position: absolute;
            top: 12px;
            right: 12px;
            z-index: 2;
        }
        .hot-card-body {
            padding: 24px;
        }
        .hot-card-body .hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .hot-card-body .hot-tags .badge {
            font-size: 11px;
            padding: 2px 12px;
        }
        .hot-card-body .hot-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.3;
            color: var(--text);
        }
        .hot-card-body .hot-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-card-body .hot-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        @media (max-width: 768px) {
            .hot-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== 流程/步骤 ===== */
        .steps-section {
            background: var(--bg-alt);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent), var(--primary));
            opacity: 0.2;
            z-index: 0;
        }
        .step-item {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 32px 20px;
            border-radius: var(--radius);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: var(--border);
        }
        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 22px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border: 2px solid rgba(139, 92, 246, 0.3);
            transition: all var(--transition);
        }
        .step-item:hover .step-number {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(124, 58, 237, 0.4);
        }
        .step-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .step-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .steps-grid::before {
                display: none;
            }
            .step-item {
                padding: 24px 16px;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            gap: 16px;
            transition: all var(--transition);
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-question i {
            font-size: 16px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-alt) 0%, rgba(124, 58, 237, 0.08) 100%);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .cta-box {
            text-align: center;
            padding: 80px 40px;
            border-radius: var(--radius);
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 11, 26, 0.7);
            z-index: 0;
        }
        .cta-box>* {
            position: relative;
            z-index: 1;
        }
        .cta-box .section-title {
            font-size: 42px;
        }
        .cta-box .section-subtitle {
            margin: 0 auto 32px;
        }
        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-box {
                padding: 48px 24px;
            }
            .cta-box .section-title {
                font-size: 28px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-alt);
            border-top: 1px solid var(--border-light);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 22px;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 16px;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: rgba(124, 58, 237, 0.15);
            border-color: var(--primary-light);
            color: var(--primary-light);
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 15px;
            color: var(--text-secondary);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-col ul a i {
            font-size: 10px;
            color: var(--text-muted);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 30px;
            }
            :root {
                --section-gap: 60px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 16px;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 22px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ===== 选中颜色 ===== */
        ::selection {
            background: rgba(124, 58, 237, 0.3);
            color: var(--text);
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #ffb703;
            --secondary-light: #ffd166;
            --accent: #457b9d;
            --accent-dark: #1d3557;
            --bg: #fafafa;
            --bg-alt: #f1f3f5;
            --bg-dark: #1a1a2e;
            --text: #1d1d1f;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-full: 50px;
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 70px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            margin-bottom: 0.8rem;
            color: var(--text-light);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title h2 {
            margin-bottom: 12px;
        }
        .section-title p {
            font-size: 1.1rem;
            max-width: 640px;
            margin: 0 auto;
            color: var(--text-light);
        }
        .text-center {
            text-align: center;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            height: var(--header-h);
            display: flex;
            align-items: center;
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            flex-shrink: 0;
        }
        .logo i {
            font-size: 1.8rem;
            color: var(--primary);
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-main a:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }
        .nav-main a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border-radius: var(--radius-full);
            padding: 0 16px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12);
        }
        .nav-search i {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .nav-search input {
            padding: 8px 10px;
            min-width: 160px;
            background: transparent;
            color: var(--text);
            font-size: 0.9rem;
        }
        .nav-search input::placeholder {
            color: var(--text-light);
        }
        .nav-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-alt);
        }

        /* ===== Mobile Nav ===== */
        @media (max-width: 868px) {
            .nav-main {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-bottom: 2px solid var(--border-light);
                z-index: 999;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
                font-size: 1.05rem;
            }
            .nav-search input {
                min-width: 100px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-actions {
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
                gap: 10px;
            }
            .logo {
                font-size: 1.2rem;
            }
            .logo i {
                font-size: 1.4rem;
            }
            .nav-search input {
                min-width: 80px;
                font-size: 0.8rem;
            }
            .nav-search {
                padding: 0 10px;
            }
            .nav-search input {
                padding: 6px 6px;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #16213e 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
        }
        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(230, 57, 70, 0.15), transparent 70%);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            color: var(--text-white);
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .page-banner h1 i {
            color: var(--secondary);
            margin-right: 12px;
        }
        .page-banner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.2rem;
            max-width: 640px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .banner-badges {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .banner-badges .badge {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #fff;
            padding: 6px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.15);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .banner-badges .badge i {
            color: var(--secondary);
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 70px 0 50px;
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 0.95rem;
            }
            .banner-badges .badge {
                font-size: 0.8rem;
                padding: 4px 14px;
            }
        }

        /* ===== Filter / Tabs ===== */
        .filter-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
            position: sticky;
            top: var(--header-h);
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }
        .filter-bar .container {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .filter-bar .filter-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-light);
            white-space: nowrap;
        }
        .filter-bar .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            flex: 1;
        }
        .filter-bar .filter-tab {
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--bg-alt);
            color: var(--text-light);
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .filter-bar .filter-tab:hover {
            background: rgba(230, 57, 70, 0.06);
            color: var(--primary);
        }
        .filter-bar .filter-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.25);
        }
        @media (max-width: 600px) {
            .filter-bar .container {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-bar .filter-label {
                margin-bottom: 4px;
            }
            .filter-bar .filter-tabs {
                gap: 6px;
            }
            .filter-bar .filter-tab {
                font-size: 0.8rem;
                padding: 4px 12px;
            }
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card-item {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .card-item .card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .card-item .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .card-item:hover .card-img img {
            transform: scale(1.05);
        }
        .card-item .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            box-shadow: 0 2px 10px rgba(230, 57, 70, 0.3);
        }
        .card-item .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-item .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .card-item .card-meta i {
            margin-right: 4px;
        }
        .card-item .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            color: var(--text);
            transition: color var(--transition);
        }
        .card-item:hover .card-title {
            color: var(--primary);
        }
        .card-item .card-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .card-item .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .card-item .card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .card-item .card-tags .tag {
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: var(--radius-full);
            background: var(--bg-alt);
            color: var(--text-light);
            font-weight: 500;
        }
        .card-item .card-read {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .card-item .card-read:hover {
            gap: 8px;
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 600px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .card-item .card-body {
                padding: 16px 16px 18px;
            }
            .card-item .card-title {
                font-size: 1.05rem;
            }
        }

        /* ===== Featured / Special Block ===== */
        .featured-block {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            margin-bottom: 40px;
            border: 1px solid var(--border-light);
        }
        .featured-block .featured-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .featured-block .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .featured-block:hover .featured-img img {
            transform: scale(1.03);
        }
        .featured-block .featured-body {
            padding: 36px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-block .featured-badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--text);
            padding: 4px 16px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .featured-block .featured-title {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .featured-block .featured-desc {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .featured-block .featured-meta {
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .featured-block .featured-meta i {
            margin-right: 4px;
            color: var(--primary);
        }
        @media (max-width: 868px) {
            .featured-block {
                grid-template-columns: 1fr;
            }
            .featured-block .featured-img {
                aspect-ratio: 16 / 9;
            }
            .featured-block .featured-body {
                padding: 24px 28px;
            }
            .featured-block .featured-title {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .featured-block .featured-body {
                padding: 18px 18px;
            }
            .featured-block .featured-title {
                font-size: 1.2rem;
            }
        }

        /* ===== Stats / Numbers ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-item .stat-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }
        @media (max-width: 868px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== Hot List ===== */
        .hot-list {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .hot-list .hot-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 22px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
        }
        .hot-list .hot-item:last-child {
            border-bottom: none;
        }
        .hot-list .hot-item:hover {
            background: var(--bg-alt);
        }
        .hot-list .hot-rank {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--border);
            min-width: 36px;
            text-align: center;
            font-feature-settings: "tnum";
        }
        .hot-list .hot-rank.top1 {
            color: var(--primary);
        }
        .hot-list .hot-rank.top2 {
            color: var(--secondary);
        }
        .hot-list .hot-rank.top3 {
            color: var(--accent);
        }
        .hot-list .hot-info {
            flex: 1;
        }
        .hot-list .hot-info .hot-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            margin-bottom: 2px;
            transition: color var(--transition);
        }
        .hot-list .hot-item:hover .hot-title {
            color: var(--primary);
        }
        .hot-list .hot-info .hot-desc {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .hot-list .hot-heat {
            font-size: 0.8rem;
            color: var(--text-light);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .hot-list .hot-heat i {
            color: var(--primary);
        }
        @media (max-width: 600px) {
            .hot-list .hot-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .hot-list .hot-rank {
                font-size: 1.1rem;
                min-width: 28px;
            }
            .hot-list .hot-info .hot-title {
                font-size: 0.9rem;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #16213e 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: var(--text-white);
            font-size: 2.4rem;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.35);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 600px) {
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .cta-section .cta-buttons {
                flex-direction: column;
                align-items: stretch;
                max-width: 320px;
                margin: 0 auto;
            }
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-item .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-item .faq-question i {
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        @media (max-width: 600px) {
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                font-size: 0.9rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 50px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            background: #fff;
            color: var(--text);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .pagination .active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.25);
        }
        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
            border-top: 4px solid var(--primary);
        }
        .site-footer .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo i {
            color: var(--primary-light);
        }
        .footer-brand .logo span {
            background: linear-gradient(135deg, #fff, #ddd);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 16px;
            font-weight: 700;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--primary-light);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 868px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-brand .logo {
                font-size: 1.3rem;
            }
        }

        /* ===== Utilities ===== */
        .bg-alt {
            background: var(--bg-alt);
        }
        .bg-white {
            background: #fff;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .gap-16 {
            gap: 16px;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-alt);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-light);
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Animation ===== */
        @keyframes fadeInUp {
            0% {
                opacity: 0;
                transform: translateY(30px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #d4145a;
            --primary-dark: #b0104a;
            --primary-light: #fce4ec;
            --secondary: #ff6b35;
            --secondary-light: #fff0e6;
            --accent: #ffd700;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #5a5a7a;
            --text-light: #8e8ea0;
            --text-white: #ffffff;
            --border-color: #e8e8f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-hover: 0 8px 30px rgba(212,20,90,0.15);
            --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --header-height: 70px;
            --spacing-section: 80px;
            --spacing-block: 40px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        button { cursor: pointer; background: none; }
        ul { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 15px rgba(212,20,90,0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(212,20,90,0.4);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
        }
        .btn-outline:active { transform: translateY(0); }
        .btn-secondary {
            background: var(--secondary);
            color: var(--text-white);
            box-shadow: 0 4px 15px rgba(255,107,53,0.3);
        }
        .btn-secondary:hover {
            background: #e55a2b;
            color: var(--text-white);
            transform: translateY(-2px);
        }
        .btn-sm { padding: 8px 18px; font-size: 13px; }
        .btn-lg { padding: 16px 36px; font-size: 17px; }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            letter-spacing: 0.3px;
        }
        .badge-hot { background: #ffe0e0; color: #d4145a; }
        .badge-new { background: #e0f0ff; color: #1a73e8; }
        .badge-live { background: #e0ffe6; color: #0d9f4e; }

        /* ===== Section Title ===== */
        .section-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header .section-subtitle { margin: 0 auto; }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            flex-shrink: 0;
        }
        .logo i { font-size: 26px; color: var(--primary); }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover { color: var(--primary); background: var(--primary-light); }
        .nav-main a.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(212,20,90,0.25);
        }
        .nav-main a.active:hover { color: var(--text-white); background: var(--primary-dark); }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(212,20,90,0.1); }
        .nav-search i { color: var(--text-light); font-size: 14px; }
        .nav-search input {
            background: transparent;
            border: none;
            padding: 8px 12px;
            font-size: 14px;
            width: 160px;
            color: var(--text-primary);
        }
        .nav-search input::placeholder { color: var(--text-light); }
        .nav-toggle { display: none; font-size: 22px; color: var(--text-primary); padding: 6px; border-radius: 8px; }
        .nav-toggle:hover { background: var(--bg-body); }

        /* ===== Article Hero / Banner ===== */
        .article-hero {
            padding-top: calc(var(--header-height) + 30px);
            padding-bottom: 40px;
            background: var(--bg-dark);
            background-image: linear-gradient(135deg, #1a1a2e 0%, #2d1b36 50%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: rgba(255,255,255,0.7); }
        .article-breadcrumb a:hover { color: var(--accent); }
        .article-breadcrumb i { font-size: 12px; color: rgba(255,255,255,0.4); }
        .article-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
            max-width: 800px;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.7);
            font-size: 14px;
        }
        .article-meta .badge { background: rgba(255,255,255,0.15); color: var(--text-white); }
        .article-meta i { margin-right: 4px; }
        .article-meta span { display: flex; align-items: center; gap: 4px; }

        /* ===== Article Content ===== */
        .article-section {
            padding: 50px 0 80px;
            background: var(--bg-white);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 50px;
            align-items: start;
        }
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 30px;
            object-fit: cover;
            max-height: 500px;
        }
        .article-body h2 {
            font-size: 24px;
            margin-top: 36px;
            margin-bottom: 16px;
            color: var(--text-primary);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 20px;
            margin-top: 28px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .article-body p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .article-body ul, .article-body ol {
            margin-bottom: 18px;
            padding-left: 24px;
            color: var(--text-secondary);
        }
        .article-body li { margin-bottom: 8px; line-height: 1.7; }
        .article-body ul li { list-style: disc; }
        .article-body ol li { list-style: decimal; }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--text-secondary);
        }
        .article-body blockquote p:last-child { margin-bottom: 0; }
        .article-body img { border-radius: var(--radius-md); margin: 24px 0; }
        .article-body a { color: var(--primary); text-decoration: underline; }
        .article-body a:hover { color: var(--primary-dark); }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-body);
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary-light); color: var(--primary); }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .article-share span { font-weight: 600; font-size: 14px; color: var(--text-secondary); }
        .article-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-body);
            color: var(--text-secondary);
            transition: var(--transition);
            font-size: 16px;
        }
        .article-share a:hover { background: var(--primary); color: var(--text-white); transform: translateY(-2px); }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list li a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text-secondary);
        }
        .sidebar-list li a:hover { color: var(--primary); }
        .sidebar-list li a img {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-list li a .sidebar-post-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .sidebar-list li a .sidebar-post-date {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 4px;
        }
        .sidebar-card .cta-box {
            text-align: center;
            padding: 16px 0;
        }
        .sidebar-card .cta-box p { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; }
        .sidebar-card .cta-box .btn { width: 100%; }

        /* ===== Related Articles ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-body);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .related-body {
            padding: 20px;
        }
        .related-card .related-body h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .related-body h4 a { color: var(--text-primary); }
        .related-card .related-body h4 a:hover { color: var(--primary); }
        .related-card .related-body p {
            font-size: 14px;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .related-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            font-size: 13px;
            color: var(--text-light);
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-box i { font-size: 64px; color: var(--text-light); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 28px; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-secondary); margin-bottom: 24px; font-size: 16px; }
        .not-found-box .btn { display: inline-flex; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.85);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand .logo { color: var(--text-white); margin-bottom: 16px; }
        .footer-brand .logo span { -webkit-text-fill-color: var(--text-white); background: none; }
        .footer-brand .logo i { color: var(--accent); }
        .footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); margin-bottom: 20px; max-width: 360px; }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.7);
            font-size: 18px;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: var(--text-white); transform: translateY(-3px); }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-col ul li a i { font-size: 10px; color: var(--primary); }
        .footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== Mobile Navigation ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        }

        @media (max-width: 768px) {
            :root { --header-height: 60px; --spacing-section: 50px; }
            .header-inner { padding: 0 16px; }
            .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 2px solid var(--primary-light);
                z-index: 999;
            }
            .nav-main.open { transform: translateY(0); opacity: 1; }
            .nav-main a { width: 100%; padding: 12px 18px; font-size: 16px; }
            .nav-toggle { display: block; }
            .nav-search input { width: 100px; }
            .article-hero h1 { font-size: 26px; }
            .article-body { padding: 24px 20px; }
            .article-body h2 { font-size: 20px; }
            .article-body p { font-size: 15px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .section-title { font-size: 26px; }
            .related-grid { grid-template-columns: 1fr; }
            .article-sidebar { grid-template-columns: 1fr; }
            .article-hero { padding-top: calc(var(--header-height) + 20px); padding-bottom: 30px; }
        }

        @media (max-width: 520px) {
            .header-inner { padding: 0 12px; }
            .logo { font-size: 18px; }
            .logo i { font-size: 20px; }
            .nav-search input { width: 70px; font-size: 12px; }
            .article-hero h1 { font-size: 22px; }
            .article-meta { gap: 10px; font-size: 12px; flex-wrap: wrap; }
            .article-body { padding: 16px; }
            .article-body h2 { font-size: 18px; }
            .article-body p { font-size: 14px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .section-title { font-size: 22px; }
            .container { padding: 0 16px; }
            .sidebar-card { padding: 20px; }
            .article-section { padding: 30px 0 50px; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-20 { margin-top: 20px; }
        .mb-20 { margin-bottom: 20px; }
        .gap-16 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }