/* roulang page: index */
:root {
  --primary: #ff6b35;
  --primary-hover: #e85a26;
  --primary-soft: rgba(255, 107, 53, 0.12);
  --secondary: #f7c948;
  --secondary-hover: #e8b832;
  --accent: #ff4757;
  --bg-dark: #0d0d14;
  --bg-card: #181825;
  --bg-card-hover: #1e1e32;
  --bg-surface: #12121e;
  --bg-elevated: #1c1c30;
  --text-primary: #f0f0f5;
  --text-secondary: #a8a8c0;
  --text-muted: #6b6b85;
  --border-color: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 107, 53, 0.3);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(255, 107, 53, 0.15);
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); background: var(--bg-dark); color: var(--text-primary); line-height: 1.65; font-size: 16px; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
::selection { background: var(--primary); color: #fff; }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header / Nav */
.site-header { position: sticky; top: 0; z-index: 1050; background: rgba(13, 13, 20, 0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid var(--border-color); }
.header-top { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; gap: 16px; }
.header-brand { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 20px; color: #fff; font-weight: 700; flex-shrink: 0; }
.logo-text { font-size: 22px; font-weight: 700; color: var(--text-primary); letter-spacing: 0.5px; line-height: 1.2; }
.logo-text span { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box { display: flex; align-items: center; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 50px; padding: 0 16px; transition: var(--transition); }
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.search-box input { background: transparent; border: none; outline: none; color: var(--text-primary); padding: 8px 8px 8px 0; width: 180px; font-size: 14px; }
.search-box input::placeholder { color: var(--text-muted); }
.search-box button { background: transparent; border: none; color: var(--text-muted); padding: 6px 0 6px 8px; cursor: pointer; transition: var(--transition); }
.search-box button:hover { color: var(--primary); }
.btn-header { padding: 8px 22px; border-radius: 50px; font-weight: 600; font-size: 14px; border: none; cursor: pointer; transition: var(--transition); white-space: nowrap; }
.btn-primary-solid { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3); }
.btn-primary-solid:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(255, 107, 53, 0.4); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-color); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }

.nav-bar { padding: 0 0 10px 0; }
.nav-tabs-custom { display: flex; gap: 6px; list-style: none; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; padding: 0; margin: 0; }
.nav-tabs-custom::-webkit-scrollbar { display: none; }
.nav-tabs-custom li a { display: flex; align-items: center; gap: 8px; padding: 8px 20px; border-radius: 50px; font-size: 14px; font-weight: 500; color: var(--text-secondary); background: transparent; border: 1px solid transparent; transition: var(--transition); white-space: nowrap; }
.nav-tabs-custom li a:hover { color: var(--text-primary); background: var(--bg-card); border-color: var(--border-color); }
.nav-tabs-custom li a.active { color: #fff; background: linear-gradient(135deg, var(--primary), var(--accent)); border-color: transparent; box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3); }
.nav-tabs-custom li a i { font-size: 13px; }

.mobile-toggle { display: none; background: transparent; border: none; color: var(--text-primary); font-size: 24px; cursor: pointer; padding: 4px; }
@media (max-width: 768px) {
  .search-box input { width: 120px; }
  .header-actions .btn-header span { display: none; }
  .mobile-toggle { display: block; }
  .nav-bar { display: none; position: absolute; top: 100%; left: 0; right: 0; background: rgba(13,13,20,0.98); backdrop-filter: blur(18px); padding: 16px 24px; border-bottom: 1px solid var(--border-color); }
  .nav-bar.open { display: block; }
  .nav-tabs-custom { flex-direction: column; gap: 8px; }
  .nav-tabs-custom li a { width: 100%; justify-content: center; padding: 12px 20px; }
}

/* Hero */
.hero-section { position: relative; min-height: 80vh; display: flex; align-items: center; overflow: hidden; padding: 60px 0 80px; }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13,13,20,0.92) 0%, rgba(13,13,20,0.6) 50%, rgba(13,13,20,0.3) 100%); }
.hero-glow { position: absolute; top: -20%; right: -10%; width: 60%; height: 80%; background: radial-gradient(circle, rgba(255,107,53,0.12) 0%, transparent 70%); pointer-events: none; }
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--primary-soft); border: 1px solid rgba(255,107,53,0.25); padding: 6px 18px; border-radius: 50px; font-size: 13px; font-weight: 500; color: var(--primary); margin-bottom: 24px; }
.hero-badge i { font-size: 12px; }
.hero-title { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 800; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.5px; }
.hero-title .highlight { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: clamp(1rem, 2vw, 1.2rem); color: var(--text-secondary); line-height: 1.7; margin-bottom: 32px; max-width: 600px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-hero { padding: 14px 36px; border-radius: 50px; font-weight: 700; font-size: 16px; border: none; cursor: pointer; transition: var(--transition); display: inline-flex; align-items: center; gap: 10px; }
.btn-hero-primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; box-shadow: 0 8px 32px rgba(255, 107, 53, 0.35); }
.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(255, 107, 53, 0.45); color: #fff; }
.btn-hero-secondary { background: rgba(255,255,255,0.06); color: var(--text-primary); border: 1px solid var(--border-color); backdrop-filter: blur(8px); }
.btn-hero-secondary:hover { background: rgba(255,255,255,0.12); border-color: var(--text-secondary); color: var(--text-primary); transform: translateY(-3px); }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border-color); flex-wrap: wrap; }
.hero-stat-item { display: flex; flex-direction: column; }
.hero-stat-num { font-size: 28px; font-weight: 800; color: var(--text-primary); }
.hero-stat-num span { color: var(--primary); }
.hero-stat-label { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* Section common */
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 52px; }
.section-tag { display: inline-block; background: var(--primary-soft); color: var(--primary); padding: 4px 18px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 14px; letter-spacing: 0.5px; }
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.25; margin-bottom: 14px; }
.section-desc { color: var(--text-secondary); font-size: 1.05rem; max-width: 640px; margin: 0 auto; line-height: 1.7; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 32px 28px; transition: var(--transition); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); opacity: 0; transition: var(--transition); }
.feature-card:hover { transform: translateY(-6px); border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); background: var(--primary-soft); display: flex; align-items: center; justify-content: center; font-size: 22px; color: var(--primary); margin-bottom: 18px; transition: var(--transition); }
.feature-card:hover .feature-icon { background: var(--primary); color: #fff; }
.feature-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.65; margin: 0; }

/* Matches / Events */
.matches-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.match-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
.match-card:hover { transform: translateY(-5px); border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.match-cover { position: relative; height: 180px; overflow: hidden; }
.match-cover img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.match-card:hover .match-cover img { transform: scale(1.05); }
.match-tag { position: absolute; top: 12px; left: 12px; background: var(--primary); color: #fff; padding: 4px 14px; border-radius: 50px; font-size: 12px; font-weight: 600; }
.match-live { position: absolute; top: 12px; right: 12px; background: var(--accent); color: #fff; padding: 4px 12px; border-radius: 50px; font-size: 11px; font-weight: 700; display: flex; align-items: center; gap: 4px; animation: pulse-dot 1.5s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
.match-info { padding: 20px; }
.match-info h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.match-info .match-meta { display: flex; gap: 14px; font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
.match-info .match-meta i { margin-right: 4px; }
.match-info .match-desc { color: var(--text-secondary); font-size: 14px; line-height: 1.6; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.match-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 20px; border-radius: 50px; font-size: 13px; font-weight: 600; background: var(--primary-soft); color: var(--primary); border: 1px solid rgba(255,107,53,0.2); transition: var(--transition); }
.match-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* News / CMS List */
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.news-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
.news-card:hover { transform: translateY(-5px); border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.news-cover { height: 200px; overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.news-card:hover .news-cover img { transform: scale(1.05); }
.news-body { padding: 20px; }
.news-body .news-cat { display: inline-block; background: var(--primary-soft); color: var(--primary); padding: 2px 12px; border-radius: 50px; font-size: 12px; font-weight: 600; margin-bottom: 10px; }
.news-body h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body p { color: var(--text-secondary); font-size: 14px; line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-foot { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-muted); }
.news-foot a { color: var(--primary); font-weight: 500; }
.news-foot a:hover { text-decoration: underline; }
.news-empty { text-align: center; padding: 60px 20px; color: var(--text-muted); background: var(--bg-card); border-radius: var(--radius-md); border: 1px dashed var(--border-color); }
.news-empty i { font-size: 40px; margin-bottom: 16px; opacity: 0.4; }

/* Stats counter */
.stats-section { background: var(--bg-surface); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 32px; text-align: center; }
.stat-item { padding: 16px; }
.stat-num { font-size: 2.8rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1.2; }
.stat-label { color: var(--text-secondary); font-size: 15px; margin-top: 6px; }
.stat-icon { font-size: 28px; color: var(--primary); margin-bottom: 12px; }

/* Categories */
.cats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.cat-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 28px 20px; text-align: center; transition: var(--transition); cursor: pointer; }
.cat-card:hover { transform: translateY(-5px); border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.cat-icon { font-size: 36px; color: var(--primary); margin-bottom: 14px; }
.cat-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.cat-card p { font-size: 13px; color: var(--text-muted); margin: 0; }
.cat-card .cat-count { display: inline-block; margin-top: 12px; background: var(--primary-soft); color: var(--primary); padding: 2px 14px; border-radius: 50px; font-size: 12px; font-weight: 600; }

/* FAQ */
.faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--border-hover); }
.faq-q { padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; font-size: 16px; gap: 16px; user-select: none; }
.faq-q i { color: var(--text-muted); transition: var(--transition); font-size: 14px; flex-shrink: 0; }
.faq-item.active .faq-q i { transform: rotate(180deg); color: var(--primary); }
.faq-a { padding: 0 24px 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.3s ease; }
.faq-item.active .faq-a { max-height: 300px; padding: 0 24px 20px 24px; }
.faq-a p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; margin: 0; }

/* CTA */
.cta-section { position: relative; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat; }
.cta-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13,13,20,0.92) 0%, rgba(255,107,53,0.15) 100%); }
.cta-content { position: relative; z-index: 2; text-align: center; padding: 80px 0; max-width: 640px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; margin-bottom: 16px; }
.cta-content p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 28px; line-height: 1.7; }

/* Footer */
.site-footer { background: var(--bg-surface); border-top: 1px solid var(--border-color); padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-brand .logo-text { font-size: 20px; }
.footer-brand p { color: var(--text-secondary); font-size: 14px; margin-top: 12px; line-height: 1.7; max-width: 320px; }
.footer-col h5 { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.5px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-secondary); font-size: 14px; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom { border-top: 1px solid var(--border-color); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--text-muted); }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); transition: var(--transition); }
.footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero-stats { gap: 24px; }
  .hero-stat-item { min-width: 80px; }
  .section { padding: 56px 0; }
  .header-actions .btn-header { padding: 8px 16px; }
  .search-box input { width: 100px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .header-actions .search-box { display: none; }
  .header-actions .btn-header { padding: 8px 14px; font-size: 13px; }
  .container { padding: 0 16px; }
  .features-grid, .matches-grid, .news-grid { grid-template-columns: 1fr; }
  .cats-grid { grid-template-columns: 1fr 1fr; }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --dark: #0b1a2e;
            --dark-alt: #132a45;
            --bg-body: #0f1f33;
            --bg-card: #162d4a;
            --bg-card-hover: #1a3355;
            --bg-section: #0d1f33;
            --bg-section-alt: #11273f;
            --text-white: #f1f5f9;
            --text-light: #b8c7dd;
            --text-muted: #7a93b0;
            --border-color: rgba(255,255,255,0.08);
            --border-light: rgba(255,255,255,0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== 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-sans);
            background: var(--bg-body);
            color: var(--text-white);
            line-height: 1.7;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        ul, ol { list-style: none; }
        .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky; top: 0; z-index: 1050;
            background: rgba(11, 26, 46, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: var(--nav-height); gap: 16px;
        }
        .logo-text {
            font-size: 1.6rem; font-weight: 800; letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text; white-space: nowrap;
        }
        .logo-text span { color: var(--accent); -webkit-text-fill-color: var(--accent); }
        .nav-bar { display: flex; align-items: center; flex: 1; justify-content: flex-end; }
        .nav-tabs-custom {
            display: flex; align-items: center; gap: 6px; margin: 0; padding: 0;
            background: rgba(255,255,255,0.04); border-radius: 40px;
            padding: 4px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none;
        }
        .nav-tabs-custom::-webkit-scrollbar { display: none; }
        .nav-tabs-custom li { list-style: none; }
        .nav-tabs-custom a {
            display: flex; align-items: center; gap: 8px;
            padding: 10px 20px; border-radius: 30px;
            font-size: 0.95rem; font-weight: 600; letter-spacing: 0.3px;
            color: var(--text-light); white-space: nowrap;
            transition: var(--transition);
        }
        .nav-tabs-custom a i { font-size: 0.9rem; }
        .nav-tabs-custom a:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
        .nav-tabs-custom a.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff; box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .search-toggle {
            background: rgba(255,255,255,0.06); border: 1px solid var(--border-color);
            color: var(--text-light); width: 40px; height: 40px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            transition: var(--transition); cursor: pointer;
        }
        .search-toggle:hover { background: rgba(255,255,255,0.12); color: #fff; }

        /* ===== 文章主体 ===== */
        .article-section {
            padding: 60px 0 80px;
            background: var(--bg-section);
        }
        .article-header {
            text-align: center; max-width: 860px; margin: 0 auto 48px;
        }
        .article-category {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff; font-size: 0.85rem; font-weight: 700;
            padding: 6px 20px; border-radius: 30px; letter-spacing: 0.5px;
            margin-bottom: 20px; text-transform: uppercase;
        }
        .article-title {
            font-size: 2.6rem; font-weight: 800; line-height: 1.25;
            margin-bottom: 20px; color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex; align-items: center; justify-content: center;
            gap: 24px; flex-wrap: wrap; color: var(--text-muted);
            font-size: 0.95rem;
        }
        .article-meta i { margin-right: 6px; color: var(--primary-light); }
        .article-meta span { display: flex; align-items: center; }
        .article-featured-img {
            margin: 0 auto 48px; max-width: 900px; border-radius: var(--radius-lg);
            overflow: hidden; box-shadow: var(--shadow-lg);
        }
        .article-featured-img img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

        .article-body {
            max-width: 800px; margin: 0 auto;
            font-size: 1.08rem; line-height: 1.9; color: var(--text-light);
        }
        .article-body p { margin-bottom: 1.6rem; }
        .article-body h2, .article-body h3 {
            color: var(--text-white); font-weight: 700; margin-top: 2.4rem; margin-bottom: 1rem;
            letter-spacing: -0.3px;
        }
        .article-body h2 { font-size: 1.8rem; }
        .article-body h3 { font-size: 1.4rem; }
        .article-body ul, .article-body ol {
            margin: 1.2rem 0; padding-left: 1.8rem; color: var(--text-light);
        }
        .article-body li { margin-bottom: 0.6rem; list-style: disc; }
        .article-body ol li { list-style: decimal; }
        .article-body blockquote {
            border-left: 4px solid var(--primary); padding: 16px 24px;
            margin: 2rem 0; background: rgba(230,57,70,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light); font-style: italic;
        }
        .article-body img { border-radius: var(--radius-md); margin: 2rem 0; box-shadow: var(--shadow-md); }
        .article-body a { color: var(--primary-light); text-decoration: underline; }
        .article-body a:hover { color: var(--accent); }

        .article-not-found {
            text-align: center; padding: 100px 20px; max-width: 600px; margin: 0 auto;
        }
        .article-not-found i { font-size: 4rem; color: var(--text-muted); margin-bottom: 24px; }
        .article-not-found h2 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
        .article-not-found p { color: var(--text-muted); margin-bottom: 32px; }
        .article-not-found .btn-back {
            display: inline-flex; align-items: center; gap: 8px;
            background: var(--primary); color: #fff; padding: 12px 32px;
            border-radius: 40px; font-weight: 600; transition: var(--transition);
        }
        .article-not-found .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,57,70,0.3); }

        /* ===== 推荐阅读 ===== */
        .recommend-section {
            padding: 60px 0 80px;
            background: var(--bg-section-alt);
        }
        .recommend-header {
            display: flex; align-items: center; justify-content: space-between;
            margin-bottom: 40px; flex-wrap: wrap; gap: 16px;
        }
        .recommend-header h2 {
            font-size: 1.8rem; font-weight: 700; color: var(--text-white);
            letter-spacing: -0.3px;
        }
        .recommend-header h2 i { color: var(--primary-light); margin-right: 12px; }
        .recommend-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
        }
        .rec-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            overflow: hidden; border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .rec-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--border-light); }
        .rec-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .rec-card-body { padding: 20px; }
        .rec-card-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
        .rec-card-body h3 a { color: var(--text-white); }
        .rec-card-body h3 a:hover { color: var(--primary-light); }
        .rec-card-body p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .rec-card-meta { font-size: 0.85rem; color: var(--text-muted); display: flex; align-items: center; gap: 16px; }
        .rec-card-meta i { margin-right: 4px; color: var(--primary-light); }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0; text-align: center;
            background: linear-gradient(135deg, var(--dark-alt), var(--secondary));
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08; pointer-events: none;
        }
        .cta-inner { position: relative; z-index: 1; }
        .cta-inner h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; color: #fff; }
        .cta-inner p { font-size: 1.15rem; color: var(--text-light); max-width: 640px; margin: 0 auto 32px; }
        .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .btn-primary-custom {
            display: inline-flex; align-items: center; gap: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff; padding: 14px 36px; border-radius: 40px;
            font-weight: 700; font-size: 1.05rem; letter-spacing: 0.3px;
            transition: var(--transition); border: none; cursor: pointer;
        }
        .btn-primary-custom:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(230,57,70,0.35); color: #fff; }
        .btn-outline-custom {
            display: inline-flex; align-items: center; gap: 10px;
            background: transparent; color: var(--text-white);
            padding: 14px 36px; border-radius: 40px; font-weight: 700;
            font-size: 1.05rem; border: 2px solid rgba(255,255,255,0.25);
            transition: var(--transition);
        }
        .btn-outline-custom:hover { background: rgba(255,255,255,0.08); border-color: #fff; color: #fff; transform: translateY(-3px); }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0 80px;
            background: var(--bg-section);
        }
        .faq-section h2 {
            text-align: center; font-size: 1.8rem; font-weight: 700;
            margin-bottom: 40px; color: var(--text-white);
        }
        .faq-grid {
            max-width: 760px; margin: 0 auto;
            display: flex; flex-direction: column; gap: 12px;
        }
        .faq-item {
            background: var(--bg-card); border-radius: var(--radius-md);
            border: 1px solid var(--border-color); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border-light); }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between;
            padding: 18px 24px; cursor: pointer; font-weight: 600;
            color: var(--text-white); font-size: 1.05rem;
            gap: 12px; user-select: none;
        }
        .faq-question i { color: var(--primary-light); transition: transform 0.3s; font-size: 0.9rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; padding: 0 24px; overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-light); font-size: 0.98rem; line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 400px; padding: 0 24px 20px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark); border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
            padding-bottom: 40px; border-bottom: 1px solid var(--border-color);
        }
        .footer-brand .logo-text { font-size: 1.5rem; margin-bottom: 16px; display: block; }
        .footer-brand p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; max-width: 360px; }
        .footer-col h5 { font-size: 1rem; font-weight: 700; margin-bottom: 18px; color: var(--text-white); letter-spacing: 0.5px; }
        .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
        .footer-col ul li a { color: var(--text-muted); font-size: 0.92rem; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom {
            display: flex; align-items: center; justify-content: space-between;
            padding: 24px 0; flex-wrap: wrap; gap: 16px;
        }
        .footer-bottom span { font-size: 0.88rem; color: var(--text-muted); }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 38px; height: 38px; border-radius: 50%;
            background: rgba(255,255,255,0.05); display: flex;
            align-items: center; justify-content: center;
            color: var(--text-muted); font-size: 1.1rem;
            transition: var(--transition); border: 1px solid var(--border-color);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

        /* ===== 结构化数据 ===== */
        .breadcrumb-bar {
            padding: 18px 0; background: rgba(0,0,0,0.15);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb-bar ul {
            display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
            font-size: 0.92rem; color: var(--text-muted);
        }
        .breadcrumb-bar ul li a { color: var(--text-muted); }
        .breadcrumb-bar ul li a:hover { color: var(--primary-light); }
        .breadcrumb-bar ul li i { font-size: 0.7rem; color: var(--text-muted); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .recommend-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; gap: 12px; }
            .nav-bar { width: 100%; justify-content: center; }
            .nav-tabs-custom { width: 100%; justify-content: center; padding: 4px; }
            .nav-tabs-custom a { padding: 8px 16px; font-size: 0.85rem; }
            .article-title { font-size: 1.8rem; }
            .article-body { font-size: 1rem; }
            .article-section { padding: 40px 0 60px; }
            .recommend-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-inner h2 { font-size: 1.6rem; }
            .article-meta { gap: 12px; font-size: 0.85rem; }
            .breadcrumb-bar ul { font-size: 0.82rem; }
        }
        @media (max-width: 520px) {
            .nav-tabs-custom a { padding: 6px 12px; font-size: 0.8rem; gap: 4px; }
            .nav-tabs-custom a i { display: none; }
            .article-title { font-size: 1.4rem; }
            .article-body { font-size: 0.95rem; }
            .container { padding: 0 16px; }
            .btn-primary-custom, .btn-outline-custom { padding: 12px 24px; font-size: 0.95rem; width: 100%; justify-content: center; }
            .cta-buttons { flex-direction: column; }
        }

        /* ===== 工具类 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mb-0 { margin-bottom: 0; }
        .mt-2 { margin-top: 1rem; }
        .text-center { text-align: center; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --panda-primary: #DC2626;
            --panda-primary-hover: #B91C1C;
            --panda-accent: #F59E0B;
            --panda-accent-hover: #D97706;
            --panda-dark: #0F0F1A;
            --panda-dark-2: #1A1A2E;
            --panda-dark-3: #24243E;
            --panda-light: #F8FAFC;
            --panda-text: #E2E8F0;
            --panda-text-muted: #94A3B8;
            --panda-border: rgba(255, 255, 255, 0.08);
            --panda-card-bg: rgba(26, 26, 46, 0.85);
            --panda-radius: 16px;
            --panda-radius-sm: 10px;
            --panda-radius-lg: 24px;
            --panda-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            --panda-shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --panda-glow: 0 0 30px rgba(220, 38, 38, 0.15);
            --panda-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --panda-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --panda-container-max: 1280px;
            --panda-section-gap: 5rem;
        }

        /* ===== 基础 Reset / Base ===== */
        *,
        *::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(--panda-font);
            background-color: var(--panda-dark);
            color: var(--panda-text);
            line-height: 1.7;
            font-size: 1rem;
            overflow-x: hidden;
        }

        a {
            color: var(--panda-accent);
            text-decoration: none;
            transition: var(--panda-transition);
        }
        a:hover {
            color: var(--panda-accent-hover);
        }

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 0.5em;
        }

        p {
            margin-bottom: 1em;
            color: var(--panda-text);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--panda-container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .container-narrow {
            max-width: 960px;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--panda-border);
            transition: var(--panda-transition);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            flex-wrap: nowrap;
        }

        .logo-text {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--panda-primary);
        }
        .logo-sublabel {
            font-size: 0.7rem;
            color: var(--panda-text-muted);
            letter-spacing: 1px;
            font-weight: 400;
            display: block;
            margin-top: -2px;
        }

        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-bar::-webkit-scrollbar {
            display: none;
        }

        .nav-tabs-custom {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.2rem;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 40px;
            border: 1px solid var(--panda-border);
        }

        .nav-tabs-custom li {
            display: inline-flex;
        }

        .nav-tabs-custom li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.55rem 1.2rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--panda-text-muted);
            border-radius: 30px;
            transition: var(--panda-transition);
            white-space: nowrap;
            background: transparent;
            border: none;
        }
        .nav-tabs-custom li a i {
            font-size: 0.85rem;
        }
        .nav-tabs-custom li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-tabs-custom li a.active {
            color: #fff;
            background: var(--panda-primary);
            box-shadow: 0 4px 16px rgba(220, 38, 38, 0.35);
        }
        .nav-tabs-custom li a.active i {
            color: #fff;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 30px;
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            border: 1px solid var(--panda-border);
            transition: var(--panda-transition);
        }
        .header-search:focus-within {
            border-color: var(--panda-primary);
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: 0.85rem;
            width: 140px;
            padding: 0.3rem 0;
        }
        .header-search input::placeholder {
            color: var(--panda-text-muted);
        }
        .header-search button {
            background: var(--panda-primary);
            border: none;
            color: #fff;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--panda-transition);
        }
        .header-search button:hover {
            background: var(--panda-primary-hover);
        }

        .btn-cta-nav {
            background: var(--panda-accent);
            color: #0F0F1A;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.5rem 1.2rem;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: var(--panda-transition);
            white-space: nowrap;
        }
        .btn-cta-nav:hover {
            background: var(--panda-accent-hover);
            transform: translateY(-1px);
            color: #0F0F1A;
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 8rem 0 5rem;
            background: var(--panda-dark);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            opacity: 0.35;
            transform: scale(1.02);
            filter: blur(2px);
            z-index: 0;
        }
        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(15, 15, 26, 0.55) 0%, var(--panda-dark) 90%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(220, 38, 38, 0.18);
            border: 1px solid rgba(220, 38, 38, 0.3);
            padding: 0.4rem 1.2rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: var(--panda-accent);
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(8px);
        }
        .hero-badge i {
            color: var(--panda-primary);
        }

        .hero-title {
            font-size: clamp(2.6rem, 7vw, 4.8rem);
            font-weight: 900;
            line-height: 1.1;
            color: #fff;
            margin-bottom: 1.2rem;
            letter-spacing: -1px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--panda-primary), var(--panda-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sub {
            font-size: clamp(1.05rem, 2vw, 1.3rem);
            color: var(--panda-text-muted);
            max-width: 740px;
            margin: 0 auto 2.2rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }

        .btn-panda-primary {
            background: var(--panda-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 0.85rem 2.4rem;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            transition: var(--panda-transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            box-shadow: 0 8px 28px rgba(220, 38, 38, 0.3);
        }
        .btn-panda-primary:hover {
            background: var(--panda-primary-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(220, 38, 38, 0.4);
            color: #fff;
        }

        .btn-panda-outline {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.85rem 2.4rem;
            border-radius: 40px;
            border: 2px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: var(--panda-transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn-panda-outline:hover {
            border-color: var(--panda-accent);
            color: var(--panda-accent);
            background: rgba(245, 158, 11, 0.08);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2.5rem 4rem;
            margin-top: 3.5rem;
            padding-top: 2.5rem;
            border-top: 1px solid var(--panda-border);
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stats .stat-number span {
            color: var(--panda-accent);
        }
        .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--panda-text-muted);
            margin-top: 0.2rem;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--panda-section-gap) 0;
        }
        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            text-align: center;
            margin-bottom: 0.6rem;
            color: #fff;
        }
        .section-desc {
            text-align: center;
            font-size: 1.05rem;
            color: var(--panda-text-muted);
            max-width: 640px;
            margin: 0 auto 3.5rem;
            line-height: 1.7;
        }
        .section-desc-left {
            text-align: left;
            margin-left: 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--panda-accent);
            background: rgba(245, 158, 11, 0.12);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            margin-bottom: 0.8rem;
        }

        /* ===== 卡片 ===== */
        .card-panda {
            background: var(--panda-card-bg);
            border: 1px solid var(--panda-border);
            border-radius: var(--panda-radius);
            padding: 2rem;
            transition: var(--panda-transition);
            backdrop-filter: blur(8px);
            height: 100%;
        }
        .card-panda:hover {
            transform: translateY(-6px);
            border-color: rgba(220, 38, 38, 0.25);
            box-shadow: var(--panda-glow);
        }
        .card-panda .card-icon {
            font-size: 2.2rem;
            color: var(--panda-primary);
            margin-bottom: 1.2rem;
            display: inline-block;
        }
        .card-panda h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: #fff;
        }
        .card-panda p {
            font-size: 0.92rem;
            color: var(--panda-text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== 特色直播板块 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }

        /* ===== 赛事分类卡片（图片） ===== */
        .sport-card {
            position: relative;
            border-radius: var(--panda-radius);
            overflow: hidden;
            height: 320px;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            transition: var(--panda-transition);
            border: 1px solid var(--panda-border);
        }
        .sport-card:hover {
            transform: scale(1.02);
            box-shadow: var(--panda-shadow);
            border-color: rgba(220, 38, 38, 0.3);
        }
        .sport-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--panda-transition);
        }
        .sport-card:hover img {
            transform: scale(1.08);
        }
        .sport-card .sport-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 15, 26, 0.92) 0%, rgba(15, 15, 26, 0.2) 60%, transparent 100%);
            z-index: 1;
        }
        .sport-card .sport-info {
            position: relative;
            z-index: 2;
            padding: 1.8rem 1.8rem 1.5rem;
            width: 100%;
        }
        .sport-card .sport-info h4 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.3rem;
        }
        .sport-card .sport-info p {
            font-size: 0.85rem;
            color: var(--panda-text-muted);
            margin-bottom: 0;
        }
        .sport-card .sport-badge {
            position: absolute;
            top: 1.2rem;
            right: 1.2rem;
            z-index: 3;
            background: var(--panda-primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 0.8rem;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .sport-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        /* ===== 数据/统计板块 ===== */
        .stats-wall {
            background: var(--panda-dark-2);
            border: 1px solid var(--panda-border);
            border-radius: var(--panda-radius-lg);
            padding: 3.5rem 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 2rem;
            text-align: center;
        }
        .stats-wall .sw-item .sw-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
        }
        .stats-wall .sw-item .sw-number span {
            color: var(--panda-accent);
        }
        .stats-wall .sw-item .sw-label {
            font-size: 0.9rem;
            color: var(--panda-text-muted);
            margin-top: 0.3rem;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--panda-card-bg);
            border: 1px solid var(--panda-border);
            border-radius: var(--panda-radius-sm);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: var(--panda-transition);
        }
        .faq-item:hover {
            border-color: rgba(220, 38, 38, 0.2);
        }
        .faq-question {
            padding: 1.2rem 1.6rem;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--panda-transition);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question i {
            color: var(--panda-accent);
            transition: var(--panda-transition);
            font-size: 0.9rem;
        }
        .faq-item.active .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 1.6rem;
            color: var(--panda-text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.6rem 1.2rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--panda-dark-2);
            border-top: 1px solid var(--panda-border);
            border-bottom: 1px solid var(--panda-border);
        }
        .cta-box {
            background: linear-gradient(145deg, rgba(220, 38, 38, 0.08), rgba(245, 158, 11, 0.06));
            border: 1px solid rgba(220, 38, 38, 0.2);
            border-radius: var(--panda-radius-lg);
            padding: 3.5rem 2.5rem;
            text-align: center;
        }
        .cta-box h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
        }
        .cta-box p {
            color: var(--panda-text-muted);
            max-width: 580px;
            margin: 0 auto 2rem;
            font-size: 1rem;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--panda-dark-2);
            border-top: 1px solid var(--panda-border);
            padding: 4rem 0 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand .logo-text {
            font-size: 1.5rem;
            margin-bottom: 0.8rem;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--panda-text-muted);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.2rem;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--panda-text-muted);
            transition: var(--panda-transition);
        }
        .footer-col ul li a:hover {
            color: var(--panda-accent);
            padding-left: 3px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 2rem;
            border-top: 1px solid var(--panda-border);
            font-size: 0.8rem;
            color: var(--panda-text-muted);
        }
        .footer-social {
            display: flex;
            gap: 0.8rem;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--panda-text-muted);
            font-size: 1rem;
            transition: var(--panda-transition);
            border: 1px solid var(--panda-border);
        }
        .footer-social a:hover {
            background: var(--panda-primary);
            color: #fff;
            border-color: var(--panda-primary);
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --panda-section-gap: 3.5rem;
            }

            .site-header .header-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }

            .menu-toggle {
                display: block;
            }

            .header-actions .header-search {
                display: none;
            }

            .nav-bar {
                width: 100%;
                order: 3;
                margin-top: 0.5rem;
                justify-content: center;
            }
            .nav-tabs-custom {
                width: 100%;
                justify-content: center;
                border-radius: 30px;
            }
            .nav-tabs-custom li a {
                padding: 0.45rem 0.9rem;
                font-size: 0.8rem;
            }
            .nav-tabs-custom li a i {
                display: none;
            }

            .hero-title {
                font-size: 2.2rem;
            }
            .hero-stats {
                gap: 1.5rem 2rem;
            }
            .hero-stats .stat-number {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .sport-grid {
                grid-template-columns: 1fr 1fr;
            }
            .sport-card {
                height: 240px;
            }

            .stats-wall {
                grid-template-columns: 1fr 1fr;
                padding: 2rem 1.2rem;
            }
            .stats-wall .sw-item .sw-number {
                font-size: 1.8rem;
            }

            .cta-box {
                padding: 2.5rem 1.5rem;
            }
            .cta-box h3 {
                font-size: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .hero-section {
                min-height: 85vh;
                padding: 6rem 0 3rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-sub {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-panda-primary,
            .btn-panda-outline {
                width: 100%;
                justify-content: center;
                font-size: 0.95rem;
                padding: 0.75rem 1.5rem;
            }
            .hero-stats {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 1rem 1.5rem;
            }
            .hero-stats .stat-number {
                font-size: 1.3rem;
            }

            .sport-grid {
                grid-template-columns: 1fr;
            }
            .sport-card {
                height: 220px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .stats-wall {
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
                padding: 1.5rem 0.8rem;
            }

            .faq-question {
                padding: 1rem 1.2rem;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 1.2rem;
                font-size: 0.85rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 1.2rem 1rem;
            }

            .cta-box {
                padding: 2rem 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-brand p {
                max-width: 100%;
            }

            .nav-tabs-custom li a {
                padding: 0.35rem 0.7rem;
                font-size: 0.75rem;
            }
            .nav-tabs-custom li a i {
                display: none;
            }
        }

        /* ===== 工具类 ===== */
        .text-accent {
            color: var(--panda-accent);
        }
        .text-primary-custom {
            color: var(--panda-primary);
        }
        .bg-dark-2 {
            background: var(--panda-dark-2);
        }
        .border-panda {
            border: 1px solid var(--panda-border);
        }
        .rounded-panda {
            border-radius: var(--panda-radius);
        }
        .shadow-panda {
            box-shadow: var(--panda-shadow-sm);
        }
        .gap-section {
            height: 2rem;
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--panda-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        /* ===== Bootstrap 覆盖 ===== */
        .btn {
            border-radius: 40px;
            font-weight: 600;
        }
        .btn-primary {
            background-color: var(--panda-primary);
            border-color: var(--panda-primary);
        }
        .btn-primary:hover {
            background-color: var(--panda-primary-hover);
            border-color: var(--panda-primary-hover);
        }
        .form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--panda-border);
            color: #fff;
            border-radius: 12px;
            padding: 0.65rem 1rem;
        }
        .form-control:focus {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--panda-primary);
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
            color: #fff;
        }
        .form-control::placeholder {
            color: var(--panda-text-muted);
        }