/* roulang page: index */
:root {
  --primary: #0f1b3d;
  --primary-light: #1a2d6a;
  --primary-dark: #0a0f26;
  --accent: #d4a84b;
  --accent-light: #e8c56e;
  --accent-dark: #b8912e;
  --bg-body: #f4f5f9;
  --bg-card: #ffffff;
  --bg-dark: #0f1b3d;
  --bg-section-alt: #eef0f6;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #7a7a9a;
  --text-light: #f8f9fa;
  --text-accent: #d4a84b;
  --border-color: #e2e4ed;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(15, 27, 61, 0.06);
  --shadow-md: 0 6px 24px rgba(15, 27, 61, 0.10);
  --shadow-lg: 0 14px 40px rgba(15, 27, 61, 0.14);
  --shadow-xl: 0 24px 60px rgba(15, 27, 61, 0.18);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition: 0.30s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1200px;
  --header-h: 72px;
  --footer-padding: 48px 0 24px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-family); font-size: 16px; line-height: 1.7; color: var(--text-primary); background: var(--bg-body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; transition: var(--transition); }
button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
input, textarea { font-family: inherit; font-size: 1rem; border: 1px solid var(--border-color); border-radius: var(--radius-sm); padding: 10px 16px; background: #fff; transition: var(--transition); }
input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(212, 168, 75, 0.18); }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-alt { background: var(--bg-section-alt); }
.section-dark { background: var(--bg-dark); color: var(--text-light); }
.section-title { font-size: 2.2rem; text-align: center; margin-bottom: 12px; font-weight: 800; letter-spacing: -0.5px; }
.section-subtitle { font-size: 1.1rem; text-align: center; color: var(--text-secondary); margin-bottom: 48px; max-width: 680px; margin-left: auto; margin-right: auto; }
.section-dark .section-title { color: var(--text-light); }
.section-dark .section-subtitle { color: rgba(255,255,255,0.7); }

/* ========== HEADER / NAV ========== */
.header-main { position: fixed; top: 0; left: 0; width: 100%; height: var(--header-h); background: rgba(15, 27, 61, 0.96); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); z-index: 1000; border-bottom: 1px solid rgba(212, 168, 75, 0.15); box-shadow: 0 2px 20px rgba(0,0,0,0.20); }
.header-main .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo { font-size: 1.6rem; font-weight: 800; color: var(--text-light); letter-spacing: -0.3px; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.logo:hover { color: var(--accent); }
.logo .logo-icon { font-size: 1.8rem; color: var(--accent); }
.nav-desktop { display: flex; align-items: center; gap: 8px; }
.nav-desktop a { padding: 8px 20px; border-radius: var(--radius-sm); color: rgba(255,255,255,0.85); font-size: 0.95rem; font-weight: 500; position: relative; }
.nav-desktop a:hover { color: var(--accent-light); background: rgba(212, 168, 75, 0.08); }
.nav-desktop a.active { color: var(--accent); background: rgba(212, 168, 75, 0.12); }
.nav-desktop a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--accent); border-radius: 4px; }
.nav-cta { background: var(--accent) !important; color: var(--primary-dark) !important; padding: 8px 24px !important; border-radius: var(--radius-sm) !important; font-weight: 600 !important; }
.nav-cta:hover { background: var(--accent-light) !important; color: var(--primary-dark) !important; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(212,168,75,0.35); }

/* ========== MOBILE BOTTOM TAB ========== */
.bottom-tab-nav { display: none; position: fixed; bottom: 0; left: 0; width: 100%; height: 64px; background: rgba(15, 27, 61, 0.98); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); z-index: 1001; border-top: 1px solid rgba(212, 168, 75, 0.12); box-shadow: 0 -4px 24px rgba(0,0,0,0.18); justify-content: space-around; align-items: center; padding: 0 12px; }
.bottom-tab-item { display: flex; flex-direction: column; align-items: center; gap: 2px; color: rgba(255,255,255,0.55); font-size: 0.7rem; padding: 6px 12px; border-radius: 12px; transition: var(--transition); min-width: 64px; }
.bottom-tab-item i { font-size: 1.35rem; transition: var(--transition); }
.bottom-tab-item span { font-weight: 500; }
.bottom-tab-item:hover { color: var(--accent-light); background: rgba(212,168,75,0.06); }
.bottom-tab-item.active { color: var(--accent); }
.bottom-tab-item.active i { transform: translateY(-2px); }
.tab-logo-mobile { font-size: 1.4rem; font-weight: 800; color: var(--accent); letter-spacing: -0.3px; }

/* ========== HERO ========== */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; padding-top: var(--header-h); background: var(--primary-dark); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.5; transform: scale(1.04); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,27,61,0.88) 0%, rgba(10,15,38,0.72) 50%, rgba(15,27,61,0.88) 100%); }
.hero .container { position: relative; z-index: 2; text-align: center; padding: 60px 20px; }
.hero-badge { display: inline-block; background: rgba(212,168,75,0.18); color: var(--accent); padding: 6px 20px; border-radius: 40px; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.3px; border: 1px solid rgba(212,168,75,0.25); margin-bottom: 24px; backdrop-filter: blur(4px); }
.hero h1 { font-size: 3.2rem; font-weight: 900; color: var(--text-light); margin-bottom: 18px; letter-spacing: -1px; line-height: 1.2; }
.hero h1 .highlight { color: var(--accent); }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,0.75); max-width: 720px; margin: 0 auto 32px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 34px; border-radius: var(--radius-sm); font-size: 1rem; font-weight: 600; transition: var(--transition); white-space: nowrap; }
.btn-primary { background: var(--accent); color: var(--primary-dark); box-shadow: 0 4px 16px rgba(212,168,75,0.30); }
.btn-primary:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 8px 28px rgba(212,168,75,0.40); }
.btn-outline-light { background: transparent; color: var(--text-light); border: 2px solid rgba(255,255,255,0.3); }
.btn-outline-light:hover { border-color: var(--accent); color: var(--accent); background: rgba(212,168,75,0.08); transform: translateY(-3px); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 32px 56px; justify-content: center; margin-top: 48px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.08); }
.hero-stat-item { text-align: center; }
.hero-stat-number { font-size: 2.4rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.hero-stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ========== FEATURES ========== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 36px 28px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); transition: var(--transition); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.feature-icon { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, rgba(212,168,75,0.12), rgba(212,168,75,0.04)); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.8rem; color: var(--accent); }
.feature-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.feature-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }

/* ========== COVER CARDS ========== */
.cover-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cover-card { position: relative; border-radius: var(--radius-md); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); transition: var(--transition); }
.cover-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.cover-card img { width: 100%; height: 200px; object-fit: cover; }
.cover-card-body { padding: 20px 22px 24px; }
.cover-card-tag { display: inline-block; background: rgba(212,168,75,0.12); color: var(--accent-dark); font-size: 0.75rem; font-weight: 600; padding: 3px 12px; border-radius: 20px; margin-bottom: 10px; }
.cover-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.cover-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; }
.cover-card-link { margin-top: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem; }
.cover-card-link:hover { color: var(--accent); gap: 10px; }

/* ========== CMS LIST ========== */
.cms-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cms-item { background: var(--bg-card); border-radius: var(--radius-md); padding: 24px 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); transition: var(--transition); display: flex; flex-direction: column; }
.cms-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(212,168,75,0.25); }
.cms-item .cms-cat { font-size: 0.75rem; font-weight: 600; color: var(--accent-dark); background: rgba(212,168,75,0.10); padding: 2px 12px; border-radius: 20px; align-self: flex-start; margin-bottom: 10px; }
.cms-item .cms-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.cms-item .cms-title a { color: var(--text-primary); }
.cms-item .cms-title a:hover { color: var(--accent); }
.cms-item .cms-excerpt { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; flex: 1; margin-bottom: 12px; }
.cms-item .cms-meta { font-size: 0.82rem; color: var(--text-muted); display: flex; align-items: center; gap: 16px; }
.cms-empty { grid-column: 1 / -1; text-align: center; padding: 48px; color: var(--text-secondary); font-size: 1.05rem; background: rgba(0,0,0,0.02); border-radius: var(--radius-md); border: 1px dashed var(--border-color); }

/* ========== ADVANTAGE / NUMBERS ========== */
.advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.advantage-item { text-align: center; padding: 32px 20px; background: rgba(255,255,255,0.05); border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.06); transition: var(--transition); }
.advantage-item:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.advantage-number { font-size: 2.8rem; font-weight: 900; color: var(--accent); line-height: 1.2; }
.advantage-label { font-size: 1rem; color: rgba(255,255,255,0.75); margin-top: 6px; font-weight: 500; }

/* ========== CATEGORY SECTION ========== */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cat-card { position: relative; border-radius: var(--radius-md); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); transition: var(--transition); }
.cat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.cat-card img { width: 100%; height: 180px; object-fit: cover; }
.cat-card-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to top, rgba(15,27,61,0.7) 0%, transparent 60%); }
.cat-card-body { position: absolute; bottom: 0; left: 0; width: 100%; padding: 18px 22px; }
.cat-card-body h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-light); margin-bottom: 4px; }
.cat-card-body p { font-size: 0.85rem; color: rgba(255,255,255,0.75); }

/* ========== TESTIMONIALS ========== */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testi-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 32px 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); }
.testi-card .quote { font-size: 1.9rem; color: var(--accent); opacity: 0.3; line-height: 1; margin-bottom: 8px; }
.testi-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 14px; }
.testi-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--primary-light), var(--accent)); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 1.1rem; }
.testi-name { font-weight: 600; font-size: 0.95rem; }
.testi-role { font-size: 0.8rem; color: var(--text-muted); }

/* ========== FAQ ========== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border-radius: var(--radius-md); padding: 0; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(212,168,75,0.2); }
.faq-question { width: 100%; padding: 20px 28px; display: flex; align-items: center; justify-content: space-between; font-size: 1.05rem; font-weight: 600; color: var(--text-primary); text-align: left; background: transparent; }
.faq-question i { font-size: 1.2rem; color: var(--accent); transition: var(--transition); }
.faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
.faq-answer { padding: 0 28px 20px; font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; display: none; }
.faq-item.active .faq-answer { display: block; }

/* ========== CTA ========== */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.10; }
.cta-section .container { position: relative; z-index: 2; text-align: center; padding: 64px 20px; }
.cta-section h2 { font-size: 2.4rem; color: var(--text-light); margin-bottom: 16px; }
.cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 28px; }
.cta-section .btn-primary { font-size: 1.1rem; padding: 16px 44px; }

/* ========== FOOTER ========== */
.footer-main { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: var(--footer-padding); border-top: 1px solid rgba(212,168,75,0.08); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.footer-brand .logo { font-size: 1.5rem; margin-bottom: 14px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 320px; }
.footer-col h4 { font-size: 1rem; font-weight: 700; color: var(--text-light); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 0.9rem; color: rgba(255,255,255,0.6); padding: 4px 0; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.4); }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5); font-size: 1.1rem; }
.footer-socials a:hover { background: var(--accent); color: var(--primary-dark); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.6rem; }
  .features-grid, .cover-grid, .cat-grid, .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .section-title { font-size: 1.8rem; }
  .section-subtitle { font-size: 1rem; margin-bottom: 32px; }
  .hero { min-height: 80vh; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { gap: 20px 32px; }
  .hero-stat-number { font-size: 1.8rem; }
  .features-grid, .cover-grid, .cat-grid, .testi-grid { grid-template-columns: 1fr; }
  .cms-grid { grid-template-columns: 1fr; }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .advantage-number { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .nav-desktop { display: none; }
  .bottom-tab-nav { display: flex; }
  .header-main .container { justify-content: center; }
  .header-main .logo { font-size: 1.4rem; }
  body { padding-bottom: 64px; }
  .faq-question { font-size: 0.95rem; padding: 16px 20px; }
  .faq-answer { padding: 0 20px 16px; }
  .cta-section h2 { font-size: 1.8rem; }
  .cover-card img { height: 160px; }
  .cat-card img { height: 140px; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 0.92rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; padding: 12px 24px; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-stat-number { font-size: 1.6rem; }
  .advantage-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .advantage-item { padding: 20px 12px; }
  .advantage-number { font-size: 1.6rem; }
  .section-title { font-size: 1.5rem; }
  .bottom-tab-nav { height: 56px; padding: 0 8px; }
  .bottom-tab-item { min-width: 48px; font-size: 0.65rem; }
  .bottom-tab-item i { font-size: 1.15rem; }
  .tab-logo-mobile { font-size: 1.2rem; }
  .cms-item { padding: 18px 20px; }
  .feature-card { padding: 28px 20px; }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a33;
            --primary-light: #12284a;
            --primary-mid: #1a3a5f;
            --accent: #e8b830;
            --accent-light: #f5d060;
            --accent-dark: #c99f20;
            --bg-body: #f4f6fa;
            --bg-card: #ffffff;
            --bg-dark: #0b1a33;
            --text-primary: #0b1a33;
            --text-secondary: #4a5568;
            --text-light: #a0aec0;
            --text-white: #ffffff;
            --border-color: #e2e8f0;
            --border-light: #f0f2f5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
            --shadow-glow: 0 0 30px rgba(232,184,48,0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-width: 1200px;
            --header-height: 72px;
            --footer-bg: #071326;
            --footer-text: rgba(255,255,255,0.85);
            --footer-muted: rgba(255,255,255,0.4);
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            padding-top: var(--header-height);
            padding-bottom: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: 2.4rem; }
        h2 { font-size: 1.8rem; margin-bottom: 1rem; }
        h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 28px; border-radius: 50px; font-size: 0.95rem; font-weight: 600;
            border: none; cursor: pointer; transition: all var(--transition);
            text-decoration: none; line-height: 1.4;
        }
        .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary); box-shadow: 0 4px 15px rgba(232,184,48,0.35);
        }
        .btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(232,184,48,0.45); color: var(--primary); }
        .btn-accent:active { transform: translateY(0); }
        .btn-outline {
            background: transparent; border: 2px solid var(--accent); color: var(--accent);
        }
        .btn-outline:hover { background: var(--accent); color: var(--primary); transform: translateY(-2px); }
        .btn-white {
            background: var(--text-white); color: var(--primary); box-shadow: var(--shadow-md);
        }
        .btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); color: var(--primary); }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }

        /* ===== 标签 ===== */
        .tag {
            display: inline-block; padding: 4px 14px; border-radius: 50px;
            font-size: 0.8rem; font-weight: 500; background: var(--border-light);
            color: var(--text-secondary); transition: all var(--transition);
        }
        .tag:hover { background: var(--accent); color: var(--primary); }
        .tag-accent { background: rgba(232,184,48,0.15); color: var(--accent-dark); font-weight: 600; }
        .tag-category { background: var(--primary); color: var(--text-white); font-size: 0.75rem; padding: 3px 12px; }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card); border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm); transition: all var(--transition);
            overflow: hidden; border: 1px solid var(--border-light);
        }
        .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .card-body { padding: 20px; }
        .card-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
        .card-text { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0; }
        .card-meta { font-size: 0.8rem; color: var(--text-light); margin-top: 8px; display: flex; align-items: center; gap: 12px; }

        /* ===== 分隔线 ===== */
        .divider { width: 60px; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-light)); border-radius: 3px; margin: 0 auto 1.2rem auto; }
        .divider-left { margin: 0 0 1.2rem 0; }

        /* ===== 徽章 ===== */
        .badge {
            display: inline-block; padding: 2px 12px; border-radius: 50px;
            font-size: 0.75rem; font-weight: 600; background: var(--accent);
            color: var(--primary); letter-spacing: 0.02em;
        }

        /* ===== 头部导航 ===== */
        .header-main {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--header-height); background: rgba(11,26,51,0.97);
            backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: background var(--transition);
        }
        .header-main .container {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.3rem; font-weight: 800; color: var(--text-white);
            text-decoration: none; letter-spacing: 0.5px;
        }
        .logo:hover { color: var(--accent); }
        .logo-icon { color: var(--accent); font-size: 1.6rem; }
        .nav-desktop { display: flex; align-items: center; gap: 8px; }
        .nav-desktop a {
            padding: 8px 18px; border-radius: 50px; font-size: 0.9rem; font-weight: 500;
            color: rgba(255,255,255,0.8); transition: all var(--transition);
            text-decoration: none;
        }
        .nav-desktop a:hover { background: rgba(255,255,255,0.08); color: var(--accent); }
        .nav-desktop a.active { background: rgba(232,184,48,0.15); color: var(--accent); font-weight: 600; }
        .nav-desktop a.nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary); font-weight: 700; padding: 8px 24px;
            box-shadow: 0 4px 15px rgba(232,184,48,0.25);
        }
        .nav-desktop a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(232,184,48,0.4); color: var(--primary); }

        /* ===== 移动端底部 Tab 导航 ===== */
        .nav-bottom {
            display: none;
            position: fixed; bottom: 0; left: 0; right: 0; z-index: 1100;
            background: rgba(11,26,51,0.98); backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 6px 0 env(safe-area-inset-bottom, 6px) 0;
            justify-content: space-around;
            box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
        }
        .nav-bottom a {
            display: flex; flex-direction: column; align-items: center; gap: 2px;
            padding: 6px 12px; border-radius: 12px;
            font-size: 0.7rem; font-weight: 500; color: rgba(255,255,255,0.55);
            text-decoration: none; transition: all var(--transition);
            min-width: 60px;
        }
        .nav-bottom a i { font-size: 1.2rem; }
        .nav-bottom a:hover { color: var(--accent); background: rgba(255,255,255,0.05); }
        .nav-bottom a.active { color: var(--accent); }
        .nav-bottom a.nav-cta-bottom {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary); font-weight: 700; padding: 6px 18px;
            border-radius: 50px;
        }
        .nav-bottom a.nav-cta-bottom:hover { color: var(--primary); transform: translateY(-2px); }

        /* ===== Hero 文章头图 ===== */
        .article-hero {
            position: relative; padding: 80px 0 60px;
            background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            min-height: 360px; display: flex; align-items: center;
        }
        .article-hero::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(11,26,51,0.88) 0%, rgba(11,26,51,0.6) 60%, rgba(0,0,0,0.4) 100%);
        }
        .article-hero .container-narrow { position: relative; z-index: 2; text-align: center; }
        .article-hero .article-category {
            display: inline-block; margin-bottom: 16px;
        }
        .article-hero h1 {
            color: var(--text-white); font-size: 2.2rem; font-weight: 800;
            margin-bottom: 18px; letter-spacing: 0.02em; line-height: 1.3;
        }
        .article-hero .article-meta {
            display: flex; justify-content: center; align-items: center; gap: 24px;
            color: rgba(255,255,255,0.7); font-size: 0.9rem; flex-wrap: wrap;
        }
        .article-hero .article-meta i { margin-right: 6px; color: var(--accent); }

        /* ===== 文章正文 ===== */
        .article-main { padding: 50px 0 30px; }
        .article-content {
            background: var(--bg-card); border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm); padding: 40px 48px;
            border: 1px solid var(--border-light);
        }
        .article-content p { font-size: 1.05rem; line-height: 1.9; color: var(--text-secondary); margin-bottom: 1.4rem; }
        .article-content h2, .article-content h3 { margin-top: 2rem; color: var(--text-primary); }
        .article-content h2 { font-size: 1.6rem; }
        .article-content h3 { font-size: 1.25rem; }
        .article-content ul, .article-content ol { margin-bottom: 1.4rem; padding-left: 1.6rem; }
        .article-content ul { list-style: disc; }
        .article-content ol { list-style: decimal; }
        .article-content li { margin-bottom: 0.5rem; font-size: 1rem; color: var(--text-secondary); line-height: 1.8; }
        .article-content img { border-radius: var(--radius-md); margin: 1.8rem 0; box-shadow: var(--shadow-sm); }
        .article-content blockquote {
            border-left: 4px solid var(--accent); padding: 16px 24px;
            margin: 1.8rem 0; background: rgba(232,184,48,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic; color: var(--text-secondary);
        }
        .article-content a { color: var(--accent-dark); font-weight: 600; border-bottom: 1px solid transparent; }
        .article-content a:hover { border-bottom-color: var(--accent); }

        /* ===== 文章标签与分享 ===== */
        .article-footer-bar {
            margin-top: 30px; padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
        }
        .article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-share { display: flex; align-items: center; gap: 10px; }
        .article-share span { font-size: 0.9rem; color: var(--text-secondary); font-weight: 500; }
        .article-share a {
            display: flex; align-items: center; justify-content: center;
            width: 38px; height: 38px; border-radius: 50%;
            background: var(--border-light); color: var(--text-secondary);
            transition: all var(--transition); font-size: 1rem;
        }
        .article-share a:hover { background: var(--accent); color: var(--primary); transform: translateY(-2px); }

        /* ===== 未找到文章 ===== */
        .article-not-found {
            text-align: center; padding: 80px 24px;
            background: var(--bg-card); border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
        }
        .article-not-found i { font-size: 3.5rem; color: var(--text-light); margin-bottom: 20px; }
        .article-not-found h2 { font-size: 1.6rem; margin-bottom: 12px; }
        .article-not-found p { color: var(--text-secondary); margin-bottom: 24px; }

        /* ===== 推荐文章 ===== */
        .related-section { padding: 60px 0 50px; background: var(--bg-body); }
        .related-section .section-title { text-align: center; margin-bottom: 12px; }
        .related-section .section-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 36px; font-size: 1rem; }
        .related-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
        }
        .related-card .card-img { aspect-ratio: 16/9; }
        .related-card .card-body { padding: 18px; }
        .related-card .card-title { font-size: 0.95rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card .card-meta { font-size: 0.75rem; }

        /* ===== CTA ===== */
        .article-cta {
            padding: 60px 0; background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover; background-position: center; position: relative;
        }
        .article-cta::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(11,26,51,0.9), rgba(11,26,51,0.7));
        }
        .article-cta .container { position: relative; z-index: 2; text-align: center; }
        .article-cta h2 { color: var(--text-white); font-size: 1.8rem; margin-bottom: 12px; }
        .article-cta p { color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 28px; font-size: 1rem; }
        .article-cta .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

        /* ===== 页脚 ===== */
        .footer-main {
            background: var(--footer-bg); color: var(--footer-text);
            padding: 56px 0 24px;
        }
        .footer-main .footer-grid {
            display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px;
            margin-bottom: 40px;
        }
        .footer-main .logo { color: var(--text-white); font-size: 1.2rem; margin-bottom: 14px; }
        .footer-main .footer-brand p { font-size: 0.9rem; color: var(--footer-muted); line-height: 1.7; max-width: 360px; }
        .footer-main .footer-col h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
        .footer-main .footer-col a {
            display: block; color: var(--footer-muted); font-size: 0.9rem;
            margin-bottom: 10px; transition: all var(--transition);
        }
        .footer-main .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-main .footer-col a i { width: 20px; margin-right: 6px; }
        .footer-main .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
            display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
        }
        .footer-main .footer-bottom span { font-size: 0.85rem; color: var(--footer-muted); }
        .footer-main .footer-socials { display: flex; gap: 12px; }
        .footer-main .footer-socials a {
            display: flex; align-items: center; justify-content: center;
            width: 36px; height: 36px; border-radius: 50%;
            background: rgba(255,255,255,0.08); color: var(--footer-muted);
            transition: all var(--transition); font-size: 1rem;
        }
        .footer-main .footer-socials a:hover { background: var(--accent); color: var(--primary); transform: translateY(-2px); }

        /* ===== 响应式设计 ===== */
        @media (max-width: 1024px) {
            .footer-main .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-hero h1 { font-size: 1.8rem; }
        }

        @media (max-width: 768px) {
            :root { --header-height: 60px; }
            body { padding-bottom: 64px; }
            .nav-desktop { display: none; }
            .nav-bottom { display: flex; }
            .header-main .container { padding: 0 16px; }
            .logo { font-size: 1.1rem; }
            .logo-icon { font-size: 1.3rem; }
            .article-hero { padding: 50px 0 40px; min-height: 280px; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-hero .article-meta { gap: 12px; font-size: 0.8rem; flex-direction: column; }
            .article-content { padding: 24px 20px; border-radius: var(--radius-md); }
            .article-content p { font-size: 0.95rem; }
            .article-footer-bar { flex-direction: column; align-items: flex-start; }
            .related-grid { grid-template-columns: 1fr; gap: 16px; }
            .article-cta h2 { font-size: 1.4rem; }
            .article-cta p { font-size: 0.9rem; }
            .footer-main { padding: 40px 0 80px; }
            .footer-main .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-main .footer-brand p { max-width: 100%; }
            .footer-main .footer-bottom { flex-direction: column; text-align: center; }
            .container { padding: 0 16px; }
            .container-narrow { padding: 0 16px; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
        }

        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.3rem; }
            .article-content { padding: 18px 14px; }
            .article-hero { padding: 40px 0 30px; min-height: 220px; }
            .btn { padding: 10px 22px; font-size: 0.85rem; }
            .nav-bottom a { min-width: 50px; font-size: 0.65rem; }
            .nav-bottom a i { font-size: 1rem; }
        }

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

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a2e;
            --primary-light: #132a45;
            --primary-dark: #060f1a;
            --accent: #f0a030;
            --accent-hover: #e88f1a;
            --accent-glow: rgba(240, 160, 48, 0.25);
            --bg-dark: #0b1a2e;
            --bg-card: #ffffff;
            --bg-section: #f5f7fa;
            --bg-section-alt: #eef1f5;
            --text-primary: #1a2332;
            --text-secondary: #4a5a6a;
            --text-light: #8899aa;
            --text-white: #f0f4f8;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-card: #e8ecf0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.30s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-w: 1200px;
            --nav-height: 72px;
            --tab-height: 64px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-section);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
            padding-bottom: var(--tab-height);
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        /* ===== 导航 (桌面端) ===== */
        .header-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--nav-height);
            background: rgba(11, 26, 46, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1000;
            display: flex;
            align-items: center;
        }
        .header-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .logo .logo-icon {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .logo:hover {
            color: var(--accent);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-desktop a {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
            position: relative;
        }
        .nav-desktop a i {
            font-size: 0.95rem;
        }
        .nav-desktop a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.07);
        }
        .nav-desktop a.active {
            color: var(--accent);
            background: rgba(240, 160, 48, 0.10);
        }
        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .nav-cta {
            background: var(--accent) !important;
            color: var(--primary-dark) !important;
            font-weight: 700 !important;
            padding: 8px 22px !important;
            border-radius: var(--radius-sm) !important;
            box-shadow: 0 4px 14px var(--accent-glow);
        }
        .nav-cta:hover {
            background: var(--accent-hover) !important;
            box-shadow: 0 6px 24px var(--accent-glow) !important;
            transform: translateY(-1px);
        }
        .nav-cta i {
            color: var(--primary-dark) !important;
        }

        /* ===== 移动端底部 Tab 导航 ===== */
        .tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: var(--tab-height);
            background: rgba(11, 26, 46, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1001;
            justify-content: space-around;
            align-items: center;
            padding: 0 8px;
        }
        .tab-bar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.65rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            min-width: 60px;
            text-align: center;
        }
        .tab-bar a i {
            font-size: 1.25rem;
            transition: var(--transition);
        }
        .tab-bar a span {
            font-size: 0.6rem;
            line-height: 1.2;
            letter-spacing: 0.02em;
        }
        .tab-bar a:hover {
            color: rgba(255, 255, 255, 0.8);
        }
        .tab-bar a.active {
            color: var(--accent);
        }
        .tab-bar a.active i {
            transform: scale(1.05);
        }
        .tab-bar .tab-cta {
            background: var(--accent);
            color: var(--primary-dark) !important;
            border-radius: 40px;
            padding: 6px 18px;
            font-weight: 700;
        }
        .tab-bar .tab-cta i {
            color: var(--primary-dark) !important;
        }
        .tab-bar .tab-cta span {
            color: var(--primary-dark) !important;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            line-height: 1.2;
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 16px var(--accent-glow);
        }
        .btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 28px var(--accent-glow);
            transform: translateY(-2px);
            color: var(--primary-dark);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.25);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: none;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 18px 42px;
            font-size: 1.05rem;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-dark {
            background: var(--primary);
            color: var(--text-white);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            color: var(--text-primary);
        }
        .section-sub {
            text-align: center;
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .section-dark .section-title {
            color: var(--text-white);
        }
        .section-dark .section-sub {
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 768px) {
            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.65rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== Hero ===== */
        .hero-esports {
            position: relative;
            min-height: 76vh;
            display: flex;
            align-items: center;
            background: var(--primary-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            padding: 60px 0;
            overflow: hidden;
        }
        .hero-esports::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.88) 40%, rgba(11, 26, 46, 0.50) 80%);
            z-index: 1;
        }
        .hero-esports .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-esports .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(240, 160, 48, 0.15);
            border: 1px solid rgba(240, 160, 48, 0.25);
            border-radius: 40px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }
        .hero-esports .hero-badge i {
            font-size: 0.75rem;
        }
        .hero-esports h1 {
            font-size: 3.4rem;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.12;
            max-width: 700px;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero-esports h1 span {
            color: var(--accent);
        }
        .hero-esports p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 580px;
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .hero-esports .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .hero-esports {
                min-height: 60vh;
                padding: 40px 0;
            }
            .hero-esports h1 {
                font-size: 2.0rem;
            }
            .hero-esports p {
                font-size: 0.95rem;
            }
            .hero-esports .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-esports .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 特色卡片网格 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card .icon-wrap {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: rgba(240, 160, 48, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .feature-card:hover .icon-wrap {
            background: rgba(240, 160, 48, 0.16);
            transform: scale(1.04);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 0.90rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 24px 18px 22px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 28px 12px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-4px);
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-label {
            font-size: 0.90rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2.0rem;
            }
        }

        /* ===== 赛事分类 ===== */
        .esport-cat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .esport-cat-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: var(--transition);
        }
        .esport-cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .esport-cat-card .cat-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .esport-cat-card .cat-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11, 26, 46, 0.50) 0%, transparent 60%);
        }
        .esport-cat-card .cat-body {
            padding: 20px 18px 22px;
        }
        .esport-cat-card .cat-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .esport-cat-card .cat-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .esport-cat-card .cat-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 40px;
            font-size: 0.70rem;
            font-weight: 600;
            background: rgba(240, 160, 48, 0.10);
            color: var(--accent);
            margin-top: 10px;
        }

        @media (max-width: 1024px) {
            .esport-cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .esport-cat-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 流程步骤 ===== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 22px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 1.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            transition: var(--transition);
        }
        .step-card:hover .step-number {
            transform: scale(1.06);
            box-shadow: 0 0 0 6px rgba(240, 160, 48, 0.15);
        }
        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 160, 48, 0.15);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
            gap: 12px;
        }
        .faq-question i {
            color: var(--accent);
            font-size: 0.85rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.90rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }
        .faq-item.open .faq-question {
            color: var(--accent);
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.90rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            position: relative;
            padding: 90px 0;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.85) 30%, rgba(11, 26, 46, 0.55) 70%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 540px;
            margin: 0 auto 32px;
        }
        .cta-section .btn {
            font-size: 1.05rem;
            padding: 16px 44px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.92rem;
            }
            .cta-section .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 页脚 ===== */
        .footer-main {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 14px;
            color: var(--text-white);
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.45);
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-col a i {
            width: 18px;
            margin-right: 6px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            font-size: 0.80rem;
            color: rgba(255, 255, 255, 0.30);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-socials {
            display: flex;
            gap: 12px;
        }
        .footer-socials a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.45);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 响应式调整 ===== */
        @media (max-width: 900px) {
            .nav-desktop {
                display: none;
            }
            .tab-bar {
                display: flex;
            }
            body {
                padding-top: var(--nav-height);
                padding-bottom: var(--tab-height);
            }
            .header-main .container {
                justify-content: space-between;
            }
            .header-main .logo {
                font-size: 1.1rem;
            }
        }
        @media (min-width: 901px) {
            .tab-bar {
                display: none !important;
            }
            body {
                padding-bottom: 0;
            }
        }

        /* ===== 工具类 ===== */
        .text-accent {
            color: var(--accent);
        }
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-section);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--text-light);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-secondary);
        }

        /* ===== 选中高亮 ===== */
        ::selection {
            background: var(--accent);
            color: var(--primary-dark);
        }