/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a2c;
            --primary-light: #1a3a5c;
            --accent: #f5a623;
            --accent-hover: #e09515;
            --secondary: #ff6b6b;
            --dark: #081420;
            --body-bg: #f4f6f9;
            --card-bg: #ffffff;
            --text-light: #f0f4f8;
            --text-body: #1e2a3a;
            --text-muted: #6c7a8a;
            --border-light: #e2e8f0;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 8px 30px rgba(0,0,0,0.06);
            --shadow-hover: 0 16px 48px rgba(0,0,0,0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 76px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--body-bg);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 0; list-style: none; margin: 0; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--dark); margin-top: 0; }
        .section-title {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto 2.5rem auto;
            text-align: center;
        }
        @media (max-width: 768px) {
            .section-title { font-size: 1.6rem; }
            .section-sub { font-size: 0.95rem; margin-bottom: 1.8rem; }
        }

        /* ===== Buttons ===== */
        .btn-accent {
            display: inline-flex; align-items: center; gap: 8px;
            background: var(--accent); color: #0b1a2c; font-weight: 600;
            padding: 12px 32px; border-radius: 50px; border: none;
            font-size: 1rem; transition: var(--transition);
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.35);
        }
        .btn-accent:hover { background: var(--accent-hover); color: #0b1a2c; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245, 166, 35, 0.45); }
        .btn-accent:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

        .btn-outline-light {
            display: inline-flex; align-items: center; gap: 8px;
            background: transparent; color: #fff; font-weight: 600;
            padding: 12px 32px; border-radius: 50px; border: 2px solid rgba(255,255,255,0.5);
            font-size: 1rem; transition: var(--transition);
        }
        .btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; color: #fff; transform: translateY(-2px); }

        .btn-ghost {
            display: inline-flex; align-items: center; gap: 6px;
            background: transparent; color: var(--primary-light); font-weight: 500;
            padding: 8px 0; border: none; font-size: 0.95rem; transition: var(--transition);
        }
        .btn-ghost:hover { color: var(--accent); gap: 12px; }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1050;
            background: rgba(11, 26, 44, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            height: var(--nav-height);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex; align-items: center; justify-content: space-between;
            height: var(--nav-height);
        }
        .site-logo {
            font-size: 1.3rem; font-weight: 800; color: #fff; letter-spacing: -0.3px;
            display: flex; align-items: center; gap: 8px;
        }
        .site-logo i { color: var(--accent); font-size: 1.5rem; }
        .site-logo:hover { color: var(--accent); }

        .nav-list { display: flex; align-items: center; gap: 32px; margin: 0; padding: 0; list-style: none; }
        .nav-list a {
            color: rgba(255,255,255,0.78); font-weight: 500; font-size: 0.95rem;
            padding: 6px 0; position: relative; transition: var(--transition);
        }
        .nav-list a::after {
            content: ''; position: absolute; left: 0; bottom: -2px;
            width: 0; height: 2px; background: var(--accent);
            transition: var(--transition); border-radius: 2px;
        }
        .nav-list a:hover { color: #fff; }
        .nav-list a:hover::after { width: 100%; }
        .nav-list a.active { color: #fff; }
        .nav-list a.active::after { width: 100%; }

        .nav-cta {
            background: var(--accent); color: #0b1a2c !important; font-weight: 700;
            padding: 10px 24px !important; border-radius: 50px; font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 166, 35, 0.3);
            transition: var(--transition);
        }
        .nav-cta:hover { background: var(--accent-hover) !important; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245, 166, 35, 0.4); }
        .nav-cta::after { display: none !important; }

        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 4px; }

        @media (max-width: 820px) {
            .nav-list { display: none; }
            .nav-list.open { display: flex; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; width: 100%; background: rgba(11,26,44,0.98); padding: 20px 24px; gap: 16px; border-bottom: 1px solid rgba(255,255,255,0.06); }
            .nav-toggle { display: block; }
            .nav-cta { align-self: flex-start; }
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 92vh;
            display: flex; align-items: center;
            background: linear-gradient(135deg, #0b1a2c 0%, #1a3a5c 60%, #0f2a44 100%);
            position: relative; overflow: hidden;
            padding: calc(var(--nav-height) + 40px) 0 60px 0;
        }
        .hero::before {
            content: '';
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18; mix-blend-mode: overlay;
            pointer-events: none;
        }
        .hero .container { position: relative; z-index: 2; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 6px;
            background: rgba(245, 166, 35, 0.18); color: var(--accent);
            padding: 6px 18px; border-radius: 50px; font-size: 0.85rem; font-weight: 500;
            border: 1px solid rgba(245, 166, 35, 0.2); margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 3.2rem; font-weight: 800; color: #fff;
            letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 18px;
        }
        .hero h1 span { color: var(--accent); }
        .hero p {
            font-size: 1.15rem; color: rgba(255,255,255,0.75);
            max-width: 580px; margin-bottom: 32px; line-height: 1.7;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
        .hero-stats {
            display: flex; gap: 40px; margin-top: 48px;
            padding-top: 36px; border-top: 1px solid rgba(255,255,255,0.08);
        }
        .hero-stats .stat-num { font-size: 1.8rem; font-weight: 800; color: #fff; }
        .hero-stats .stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.55); }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stats .stat-num { font-size: 1.4rem; }
        }
        @media (max-width: 520px) {
            .hero { min-height: 80vh; padding-top: calc(var(--nav-height) + 20px); }
            .hero h1 { font-size: 1.7rem; }
        }

        /* ===== 板块通用 ===== */
        section { padding: 80px 0; }
        @media (max-width: 768px) { section { padding: 52px 0; } }

        .section-bg-alt { background: #ffffff; }
        .section-bg-dark {
            background: var(--primary);
            color: rgba(255,255,255,0.85);
        }
        .section-bg-dark .section-title { color: #fff; }
        .section-bg-dark .section-sub { color: rgba(255,255,255,0.6); }

        /* ===== 优势卡片 ===== */
        .advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .advantage-card {
            background: var(--card-bg); border-radius: var(--radius);
            padding: 36px 28px; box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition); text-align: center;
        }
        .advantage-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .advantage-icon {
            width: 64px; height: 64px; border-radius: 50%;
            background: rgba(245, 166, 35, 0.1); color: var(--accent);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.6rem; margin: 0 auto 18px auto;
        }
        .advantage-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .advantage-card p { font-size: 0.92rem; color: var(--text-muted); margin: 0; }
        @media (max-width: 820px) { .advantage-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .advantage-grid { grid-template-columns: 1fr; } }

        /* ===== 游戏/服务卡片 ===== */
        .game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .game-card {
            background: var(--card-bg); border-radius: var(--radius);
            overflow: hidden; box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .game-card img { width: 100%; height: 200px; object-fit: cover; }
        .game-card-body { padding: 22px 24px 26px; }
        .game-card-body h3 { font-size: 1.1rem; margin-bottom: 6px; }
        .game-card-body p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 14px; }
        .game-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .game-tags span {
            background: var(--body-bg); color: var(--text-muted);
            padding: 4px 14px; border-radius: 50px; font-size: 0.78rem;
            font-weight: 500;
        }
        @media (max-width: 820px) { .game-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 520px) { .game-grid { grid-template-columns: 1fr; } }

        /* ===== 资讯列表 (CMS) ===== */
        .news-list { display: flex; flex-direction: column; gap: 16px; }
        .news-item {
            display: flex; align-items: center; gap: 20px;
            background: var(--card-bg); border-radius: var(--radius-sm);
            padding: 18px 24px; box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-item:hover { box-shadow: var(--shadow-hover); transform: translateX(4px); }
        .news-item .date {
            flex-shrink: 0; font-size: 0.82rem; color: var(--text-muted);
            min-width: 80px;
        }
        .news-item .cat {
            flex-shrink: 0; font-size: 0.78rem; font-weight: 600;
            color: var(--accent); background: rgba(245,166,35,0.08);
            padding: 2px 14px; border-radius: 50px;
        }
        .news-item .title { flex: 1; font-weight: 500; color: var(--text-body); }
        .news-item .title:hover { color: var(--accent); }
        @media (max-width: 640px) {
            .news-item { flex-wrap: wrap; gap: 8px; padding: 14px 18px; }
            .news-item .date { min-width: auto; }
        }

        .empty-news {
            text-align: center; padding: 40px 20px;
            color: var(--text-muted); font-size: 0.95rem;
        }

        /* ===== 信任/数据 ===== */
        .trust-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
            text-align: center;
        }
        .trust-item .num { font-size: 2.4rem; font-weight: 800; color: var(--accent); }
        .trust-item .label { font-size: 0.92rem; color: rgba(255,255,255,0.65); margin-top: 4px; }
        @media (max-width: 768px) { .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; } }
        @media (max-width: 520px) { .trust-grid { grid-template-columns: 1fr; } }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--card-bg); border-radius: var(--radius-sm);
            border: 1px solid var(--border-light); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow); }
        .faq-question {
            width: 100%; background: none; border: none; padding: 18px 24px;
            display: flex; justify-content: space-between; align-items: center;
            font-size: 1rem; font-weight: 600; color: var(--text-body); cursor: pointer;
            text-align: left; transition: var(--transition);
        }
        .faq-question i { transition: var(--transition); color: var(--accent); }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px; color: var(--text-muted); font-size: 0.95rem; line-height: 1.7;
        }
        .faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px 24px; }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, #0b1a2c 0%, #1a3a5c 100%);
            border-radius: var(--radius); padding: 60px 48px;
            text-align: center; position: relative; overflow: hidden;
        }
        .cta-block::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08; mix-blend-mode: overlay; pointer-events: none;
        }
        .cta-block h2 { color: #fff; font-size: 2rem; margin-bottom: 12px; position: relative; }
        .cta-block p { color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto 28px; position: relative; }
        .cta-block .btn-accent { font-size: 1.05rem; padding: 14px 40px; position: relative; }
        @media (max-width: 640px) {
            .cta-block { padding: 40px 24px; }
            .cta-block h2 { font-size: 1.5rem; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark); color: rgba(255,255,255,0.6);
            padding: 48px 0 32px; font-size: 0.9rem;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
        .footer-brand .site-logo { font-size: 1.1rem; margin-bottom: 12px; display: inline-flex; }
        .footer-brand p { font-size: 0.88rem; max-width: 300px; }
        .footer-col h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a { color: rgba(255,255,255,0.5); font-size: 0.88rem; }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px; text-align: center; font-size: 0.82rem;
        }
        @media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

        /* ===== 辅助 ===== */
        .text-accent { color: var(--accent); }
        .bg-accent-soft { background: rgba(245,166,35,0.06); }
        .gap-8 { gap: 8px; }
        .gap-12 { gap: 12px; }
        .mt-16 { margin-top: 16px; }
        .mb-8 { margin-bottom: 8px; }

        /* focus-visible 可访问性 */
        :focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

        /* 滚动条美化 */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--body-bg); }
        ::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 8px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-light: #e9c46a;
            --bg-dark: #0d1b2a;
            --bg-mid: #1b2838;
            --bg-light: #f8f9fa;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-muted: #636e72;
            --text-light: #dfe6e9;
            --border-color: #e0e0e0;
            --border-radius: 12px;
            --border-radius-sm: 8px;
            --border-radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
            --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.20);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --header-height: 76px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            padding-top: var(--header-height);
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

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

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

        ul,
        ol {
            list-style: none;
            padding: 0;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background: rgba(13, 27, 42, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
        }

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

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            text-shadow: 0 2px 8px rgba(230, 57, 70, 0.3);
            transition: var(--transition);
        }
        .site-logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .site-logo:hover {
            color: var(--primary-light);
            text-shadow: 0 0 20px rgba(230, 57, 70, 0.5);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
        }

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            font-size: 0.95rem;
            border-radius: var(--border-radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .nav-list li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-list li a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }
        .nav-list li a.active:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.5);
        }

        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 10px 24px !important;
            border-radius: 50px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
            letter-spacing: 0.3px;
        }
        .nav-cta i {
            font-size: 0.85rem;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.55) !important;
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 80px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-blend-mode: overlay;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 42, 0.88) 0%, rgba(230, 57, 70, 0.55) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            padding: 6px 18px;
            border-radius: 50px;
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .category-hero .hero-badge i {
            color: var(--primary-light);
        }
        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .category-hero h1 span {
            color: var(--primary-light);
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .category-hero .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: 50px;
            border: none;
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.4);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-hero .btn-hero-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 12px 48px rgba(230, 57, 70, 0.55);
            transform: translateY(-3px);
            color: #fff;
        }
        .category-hero .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.20);
            backdrop-filter: blur(6px);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-hero .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.20);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-3px);
            color: #fff;
        }

        /* ===== Section通用 ===== */
        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }

        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 0 auto 16px;
        }

        .text-center .section-divider {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 卖点卡片 ===== */
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
            height: 100%;
            text-align: center;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
            border-color: var(--primary-light);
        }
        .feature-card .icon-wrapper {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 70px;
            height: 70px;
            border-radius: 20px;
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.10), rgba(69, 123, 157, 0.10));
            color: var(--primary);
            font-size: 1.8rem;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .feature-card:hover .icon-wrapper {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.30);
        }
        .feature-card h5 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 热门游戏 ===== */
        .game-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
            height: 100%;
        }
        .game-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }
        .game-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--bg-mid);
        }
        .game-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .game-card:hover .card-img img {
            transform: scale(1.05);
        }
        .game-card .card-img .game-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.35);
        }
        .game-card .card-img .game-rating {
            position: absolute;
            bottom: 14px;
            right: 14px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(4px);
            color: var(--accent-light);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .game-card .card-body {
            padding: 22px 20px 24px;
        }
        .game-card .card-body h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .game-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .game-card .card-body .game-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }
        .game-card .card-body .game-tags span {
            background: var(--bg-light);
            color: var(--text-muted);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .game-card .card-body .btn-game {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 50px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .game-card .card-body .btn-game:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
            transform: translateY(-2px);
        }

        /* ===== 流程步骤 ===== */
        .steps-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
        }
        .steps-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 42, 0.92), rgba(29, 53, 87, 0.85));
            z-index: 0;
        }
        .steps-section .container {
            position: relative;
            z-index: 1;
        }
        .steps-section .section-title {
            color: #fff;
        }
        .steps-section .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .steps-section .section-divider {
            background: var(--accent);
        }

        .step-item {
            text-align: center;
            padding: 20px 16px;
            position: relative;
        }
        .step-item .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 16px;
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.35);
            transition: var(--transition);
        }
        .step-item:hover .step-number {
            transform: scale(1.08);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.5);
        }
        .step-item h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .step-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent);
            opacity: 0.6;
            padding: 0 8px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .accordion-item {
            border: none;
            margin-bottom: 12px;
            border-radius: var(--border-radius-sm) !important;
            background: var(--bg-card);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            overflow: hidden;
        }
        .accordion-button {
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--text-dark);
            padding: 18px 24px;
            background: var(--bg-card);
            border: none;
            box-shadow: none !important;
            transition: var(--transition);
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--bg-card);
        }
        .accordion-button::after {
            background-size: 1rem;
            transition: var(--transition);
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 100px 0;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.75), rgba(13, 27, 42, 0.90));
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .cta-section p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 18px 48px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 1.1rem;
            border-radius: 50px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-light);
            color: var(--text-dark);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.35);
            transform: translateY(-4px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-brand .site-logo {
            font-size: 1.4rem;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 340px;
        }
        .site-footer .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 2.6rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 66px;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(13, 27, 42, 0.98);
                backdrop-filter: blur(12px);
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 16px;
                width: 100%;
                border-radius: 8px;
            }
            .nav-list li a.nav-cta {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }
            .nav-toggle {
                display: block;
            }

            .category-hero {
                padding: 80px 0 60px;
                min-height: 420px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .category-hero .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-hero .btn-hero-primary,
            .category-hero .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }

            .section-padding {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }

            .step-arrow {
                transform: rotate(90deg);
                padding: 12px 0;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-brand p {
                max-width: 100%;
            }

            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .cta-section .btn-cta {
                width: 100%;
                justify-content: center;
                padding: 16px 32px;
            }

            .game-card .card-img {
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-badge {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .feature-card {
                padding: 24px 18px;
            }
            .feature-card .icon-wrapper {
                width: 56px;
                height: 56px;
                font-size: 1.4rem;
            }
            .game-card .card-body {
                padding: 16px 14px 18px;
            }
            .step-item {
                padding: 12px 8px;
            }
            .accordion-button {
                font-size: 0.95rem;
                padding: 14px 16px;
            }
            .accordion-body {
                padding: 0 16px 14px;
                font-size: 0.9rem;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== 辅助 ===== */
        .bg-soft-primary {
            background: rgba(230, 57, 70, 0.04);
        }
        .rounded-12 {
            border-radius: var(--border-radius);
        }
        .shadow-hover {
            transition: var(--transition);
        }
        .shadow-hover:hover {
            box-shadow: var(--shadow-hover);
        }
        .gap-4 {
            gap: 1.5rem;
        }
        .mb-40 {
            margin-bottom: 40px;
        }

/* roulang page: article */
:root {
            --primary: #1a1a3e;
            --primary-dark: #0f0f2d;
            --primary-light: #2a2a5e;
            --accent: #ff6b35;
            --accent-hover: #e55a2b;
            --accent-light: #fff0ea;
            --gold: #f7c948;
            --gold-light: #ffe08a;
            --bg: #f8f9fc;
            --bg-alt: #eef0f7;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #6b7280;
            --text-white: #ffffff;
            --border: #e5e7eb;
            --border-light: #f0f0f5;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-hover: 0 8px 32px rgba(0,0,0,0.12);
            --shadow-lg: 0 12px 48px rgba(0,0,0,0.15);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        *, *::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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

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

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

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--primary-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0,0,0,0.25);
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .site-logo i {
            color: var(--gold);
            font-size: 1.5rem;
        }
        .site-logo:hover {
            color: var(--gold-light);
            transform: translateY(-1px);
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        .nav-list li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.8);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-list li a:hover {
            color: var(--text-white);
            background: rgba(255,255,255,0.08);
        }
        .nav-list li a.active {
            color: var(--text-white);
            background: rgba(255,255,255,0.12);
        }
        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--accent) !important;
            color: var(--text-white) !important;
            padding: 8px 22px !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 14px rgba(255,107,53,0.35);
        }
        .nav-cta:hover {
            background: var(--accent-hover) !important;
            box-shadow: 0 6px 20px rgba(255,107,53,0.5);
            transform: translateY(-2px);
        }
        .nav-cta i {
            font-size: 0.85rem;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255,255,255,0.1);
        }
        .nav-toggle:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            background: var(--primary-dark);
            background-image: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,15,45,0.3) 0%, rgba(15,15,45,0.8) 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .article-hero .article-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--text-white);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
        }
        .article-hero .article-date {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero .article-date i {
            color: var(--gold);
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            max-width: 900px;
            margin: 0 0 16px 0;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .article-hero .article-excerpt {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.85);
            max-width: 750px;
            line-height: 1.7;
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
        }
        .article-hero .breadcrumb a {
            color: rgba(255,255,255,0.75);
        }
        .article-hero .breadcrumb a:hover {
            color: var(--gold);
        }
        .article-hero .breadcrumb span {
            color: var(--gold-light);
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 60px 0;
        }
        .article-content-wrap {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px;
            max-width: 860px;
            margin: 0 auto;
        }
        .article-content-wrap .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-content-wrap .article-body p {
            margin-bottom: 1.2rem;
        }
        .article-content-wrap .article-body h2,
        .article-content-wrap .article-body h3 {
            color: var(--primary);
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        .article-content-wrap .article-body h2 {
            font-size: 1.6rem;
        }
        .article-content-wrap .article-body h3 {
            font-size: 1.3rem;
        }
        .article-content-wrap .article-body ul,
        .article-content-wrap .article-body ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }
        .article-content-wrap .article-body li {
            margin-bottom: 0.4rem;
        }
        .article-content-wrap .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.5rem 0;
        }
        .article-content-wrap .article-body a {
            color: var(--accent);
            text-decoration: underline;
        }
        .article-content-wrap .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            background: var(--accent-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.2rem 0;
            color: var(--text-secondary);
        }

        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-not-found i {
            font-size: 3.5rem;
            color: var(--text-light);
            margin-bottom: 20px;
            display: block;
        }
        .article-not-found h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-light);
            margin-bottom: 24px;
            font-size: 1.1rem;
        }
        .article-not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--accent);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
        }
        .article-not-found .btn-back:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255,107,53,0.35);
            color: var(--text-white);
        }

        /* ===== Tags / Share ===== */
        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .article-tags .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-alt);
            color: var(--text-secondary);
            font-size: 0.85rem;
            padding: 4px 14px;
            border-radius: 20px;
            transition: var(--transition);
        }
        .article-tags .tag-item:hover {
            background: var(--accent-light);
            color: var(--accent);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
        }
        .article-share span {
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-alt);
            color: var(--text-secondary);
            font-size: 1rem;
            transition: var(--transition);
        }
        .article-share a:hover {
            background: var(--accent);
            color: var(--text-white);
            transform: translateY(-2px);
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-alt);
        }
        .related-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            text-align: center;
        }
        .related-section .section-subtitle {
            color: var(--text-light);
            text-align: center;
            margin-bottom: 40px;
            font-size: 1.05rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-card:hover .card-img {
            transform: scale(1.03);
        }
        .related-card .card-body {
            padding: 20px 24px 24px;
        }
        .related-card .card-cat {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 2px 12px;
            border-radius: 12px;
            margin-bottom: 10px;
        }
        .related-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-title a {
            color: var(--primary);
        }
        .related-card .card-title a:hover {
            color: var(--accent);
        }
        .related-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            font-size: 0.82rem;
            color: var(--text-light);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: var(--bg-card);
        }
        .faq-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            text-align: center;
        }
        .faq-section .section-subtitle {
            color: var(--text-light);
            text-align: center;
            margin-bottom: 40px;
            font-size: 1.05rem;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--primary-dark);
            background-image: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15,15,45,0.5);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.85);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: var(--accent);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 700;
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(255,107,53,0.4);
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(255,107,53,0.5);
            color: var(--text-white);
        }
        .cta-section .btn-cta i {
            font-size: 1rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.8);
            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(255,255,255,0.08);
        }
        .footer-brand .site-logo {
            font-size: 1.4rem;
            margin-bottom: 16px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.95rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.65);
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 1.05rem;
            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: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.65);
            font-size: 0.92rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul li a:hover {
            color: var(--gold);
            transform: translateX(4px);
        }
        .footer-col ul li a i {
            font-size: 0.9rem;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .article-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: var(--primary-dark);
                padding: 16px 24px;
                box-shadow: 0 8px 32px rgba(0,0,0,0.3);
                border-top: 1px solid rgba(255,255,255,0.06);
                gap: 4px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-list li a.active::after {
                display: none;
            }
            .nav-list li a.active {
                background: rgba(255,255,255,0.12);
            }
            .nav-toggle {
                display: block;
            }
            .article-hero {
                padding: 60px 0 40px;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-hero .article-excerpt {
                font-size: 1rem;
            }
            .article-content-wrap {
                padding: 28px 20px;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section .btn-cta {
                padding: 14px 32px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-hero .article-meta {
                gap: 10px;
            }
            .article-content-wrap {
                padding: 20px 16px;
                border-radius: var(--radius);
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card .card-img {
                height: 180px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.98rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .site-logo {
                font-size: 1.15rem;
            }
            .nav-list li a {
                font-size: 0.9rem;
                padding: 10px 14px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .gap-1 { gap: 0.5rem; }
        .gap-2 { gap: 1rem; }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Smooth fade-in for content */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-fade-up {
            animation: fadeUp 0.6s ease forwards;
        }