/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #E8542D;
  --primary-dark: #D1451F;
  --primary-light: rgba(232, 84, 45, 0.1);
  --dark: #1E2428;
  --dark-light: #2A3136;
  --bg: #F5F6F7;
  --white: #FFFFFF;
  --text: #2C3136;
  --text-light: #6B7280;
  --border: #E5E7EB;
  --gold: #E8A33D;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(30, 36, 40, 0.06);
  --shadow-md: 0 6px 20px rgba(232, 84, 45, 0.12);
  --shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.25);
  --space-section: 80px;
  --space-section-sm: 48px;
}

/* ========== Reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol, li { list-style: none; }
button { font-family: inherit; border: none; cursor: pointer; background: none; }
input, select, textarea { font-family: inherit; }

/* ========== 容器 ========== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 16px; line-height: 1.4;
  transition: all 0.3s ease; border: none; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232, 84, 45, 0.3); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(232, 84, 45, 0.2); }
.btn-outline { border: 1px solid var(--dark); color: var(--dark); background: transparent; }
.btn-outline:hover { background: var(--dark); color: #fff; }
.btn-lg { height: 52px; padding: 0 38px; font-size: 18px; border-radius: var(--radius-md); }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ========== 标签 ========== */
.tag {
  display: inline-block; padding: 4px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 400;
  background: var(--primary-light); color: var(--primary);
}

/* ========== 通告条 ========== */
.topbar {
  background: var(--dark); color: rgba(255, 255, 255, 0.75);
  padding: 10px 0; font-size: 14px;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.topbar-text { display: flex; align-items: center; gap: 8px; }
.topbar-text i { color: var(--gold); }
.topbar-link { color: var(--gold); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; transition: color 0.3s; }
.topbar-link:hover { color: #fff; }

/* ========== 导航面板 ========== */
.site-header { padding: 16px 0 0; }
.nav-panel {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  padding: 16px 24px; display: flex; align-items: center; gap: 20px;
  position: relative; z-index: 100;
}
.nav-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon {
  width: 44px; height: 44px; border-radius: 8px;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; line-height: 1;
  box-shadow: 0 2px 8px rgba(232, 84, 45, 0.25);
}
.logo-text { font-size: 20px; font-weight: 700; color: var(--dark); letter-spacing: 0.5px; }
.logo-text span { color: var(--primary); }

.nav-cats { display: flex; gap: 10px; flex: 1; margin-left: 12px; overflow-x: auto; scrollbar-width: none; }
.nav-cats::-webkit-scrollbar { display: none; }
.nav-cat {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; min-width: 72px; padding: 10px 8px 8px;
  border-radius: 8px; background: var(--bg);
  transition: all 0.3s ease; position: relative;
  border: 1px solid transparent;
}
.nav-cat .cat-icon { font-size: 18px; color: var(--primary); transition: transform 0.3s; }
.nav-cat .cat-label { font-size: 12px; color: var(--text); font-weight: 500; white-space: nowrap; }
.nav-cat:hover { background: var(--primary-light); border-color: rgba(232, 84, 45, 0.15); }
.nav-cat:hover .cat-icon { transform: scale(1.1); }
.nav-cat.active { background: var(--primary-light); border-color: rgba(232, 84, 45, 0.2); }
.nav-cat.active::after {
  content: ''; position: absolute; bottom: -1px; left: 50%; transform: translateX(-50%);
  width: 24px; height: 3px; background: var(--primary); border-radius: 3px 3px 0 0;
}
.nav-cta { margin-left: auto; flex-shrink: 0; }

/* ========== Hero ========== */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(30, 36, 40, 0.93) 0%, rgba(30, 36, 40, 0.82) 60%, rgba(30, 36, 40, 0.92) 100%),
              url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  padding: 80px 0 88px;
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 8px; background: var(--primary);
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 100%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 18px; border-radius: 999px;
  background: rgba(232, 84, 45, 0.18); border: 1px solid rgba(232, 84, 45, 0.35);
  color: var(--gold); font-size: 14px; font-weight: 500;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 44px; font-weight: 800; line-height: 1.3; letter-spacing: 1px;
  margin-bottom: 20px; color: #fff;
}
.hero h1 .highlight {
  color: var(--gold); position: relative; white-space: nowrap;
}
.hero h1 .highlight::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 3px; background: var(--gold); border-radius: 3px; opacity: 0.6;
}
.hero-sub {
  font-size: 18px; color: rgba(255, 255, 255, 0.75); line-height: 1.8;
  margin-bottom: 36px; max-width: 540px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* 倒计时 */
.countdown-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 32px 28px; box-shadow: var(--shadow-dark);
  text-align: center; position: relative; overflow: hidden;
}
.countdown-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; background: linear-gradient(90deg, var(--primary), var(--gold));
}
.countdown-card h3 {
  color: var(--dark); font-size: 18px; font-weight: 700; margin-bottom: 8px;
}
.countdown-label-tip { color: var(--text-light); font-size: 13px; margin-bottom: 24px; }
.countdown-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.countdown-block {
  background: var(--dark-light); border-radius: 8px;
  padding: 16px 8px; text-align: center;
  transition: transform 0.3s;
}
.countdown-block:hover { transform: translateY(-2px); }
.countdown-num {
  display: block;
  font-family: "DIN Alternate", "Roboto Mono", "Menlo", monospace;
  font-size: 40px; font-weight: 700; color: var(--gold);
  line-height: 1.1; letter-spacing: 1px;
}
.countdown-unit { color: rgba(255, 255, 255, 0.65); font-size: 13px; margin-top: 6px; display: block; }
.countdown-tip { color: var(--text-light); font-size: 13px; margin-top: 20px; line-height: 1.6; }

/* ========== 数据条 ========== */
.stats-section { background: var(--dark); padding: 40px 0; position: relative; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 16px; }
.stat-item + .stat-item { border-left: 1px solid rgba(255, 255, 255, 0.08); }
.stat-num {
  display: block;
  font-family: "DIN Alternate", "Roboto", sans-serif;
  font-size: 40px; font-weight: 700; color: var(--gold); line-height: 1.2;
}
.stat-label { display: block; font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-top: 6px; }

/* ========== 通用板块 ========== */
.section { padding: var(--space-section) 0; }
.section-title {
  font-size: 30px; font-weight: 700; color: var(--dark);
  text-align: center; margin-bottom: 8px; letter-spacing: 1px;
}
.section-sub { font-size: 16px; color: var(--text-light); text-align: center; margin-bottom: 48px; }

/* ========== 卖点区 ========== */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
  background: var(--white); border-radius: var(--radius-md);
  padding: 36px 28px; text-align: center;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.feature-card:hover {
  box-shadow: var(--shadow-md); transform: translateY(-4px);
  border-color: rgba(232, 84, 45, 0.2);
}
.feature-icon {
  width: 72px; height: 72px; margin: 0 auto 20px;
  background: var(--primary-light); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: var(--primary);
  transition: transform 0.3s;
}
.feature-card:hover .feature-icon { transform: scale(1.08); }
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ========== 图墙 ========== */
.gallery-section { background: var(--white); }
.gallery-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.gallery-item {
  position: relative; border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-sm); cursor: pointer;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-lg { grid-column: span 7; height: 320px; }
.gallery-lg2 { grid-column: span 5; height: 320px; }
.gallery-sm { grid-column: span 3; height: 220px; }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(30, 36, 40, 0.82) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px; color: #fff;
}
.gallery-overlay h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.gallery-overlay p { font-size: 13px; color: rgba(255, 255, 255, 0.75); }
.gallery-note { font-size: 13px; color: var(--text-light); text-align: center; margin-top: 20px; }

/* ========== CTA ========== */
.cta-section {
  background: linear-gradient(135deg, var(--dark) 0%, #262e33 100%);
  padding: 80px 0; position: relative;
}
.cta-section::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--gold), var(--primary));
  opacity: 0.7;
}
.cta-banner {
  display: flex; flex-wrap: wrap; gap: 40px; align-items: center;
  background: var(--dark-light); border-radius: var(--radius-lg);
  padding: 48px 52px; border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-dark);
}
.cta-left { flex: 1; min-width: 280px; }
.cta-left h2 { color: #fff; font-size: 28px; font-weight: 700; margin-bottom: 12px; letter-spacing: 1px; }
.cta-left h2 span { color: var(--gold); }
.cta-left p { color: rgba(255, 255, 255, 0.65); font-size: 15px; line-height: 1.8; }
.cta-form {
  flex: 1; min-width: 300px; background: var(--white);
  border-radius: var(--radius-md); padding: 36px;
  display: flex; flex-direction: column; gap: 16px;
  box-shadow: var(--shadow-dark);
}
.cta-form h4 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.cta-form .form-desc { font-size: 13px; color: var(--text-light); margin-bottom: 4px; }
.cta-form input[type="text"],
.cta-form input[type="tel"],
.cta-form select {
  width: 100%; height: 48px; padding: 0 16px;
  border: 1px solid #D1D5DB; border-radius: var(--radius-sm);
  font-size: 15px; color: var(--text);
  transition: all 0.3s; background: #fff;
}
.cta-form input:focus, .cta-form select:focus {
  border-color: var(--primary); outline: none;
  box-shadow: 0 0 0 3px rgba(232, 84, 45, 0.12), 0 0 0 2px rgba(232, 163, 61, 0.15);
}
.cta-form .btn { width: 100%; }

/* ========== 最新资讯 ========== */
.latest-section { background: var(--bg); }
.post-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.post-item {
  background: var(--white); border-radius: var(--radius-md);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: all 0.3s ease; overflow: hidden;
}
.post-item:hover {
  border-color: rgba(232, 84, 45, 0.35);
  box-shadow: var(--shadow-md); transform: translateY(-2px);
}
.post-link { display: block; padding: 28px 32px; }
.post-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; flex-wrap: wrap; }
.post-date { font-size: 13px; color: var(--text-light); display: inline-flex; align-items: center; gap: 6px; }
.post-cat {
  display: inline-block; padding: 3px 12px; border-radius: 999px;
  background: var(--primary-light); color: var(--primary); font-size: 12px; font-weight: 500;
}
.post-item h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 8px; line-height: 1.5; }
.post-item p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
.post-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--primary);
}
.post-arrow i { transition: transform 0.3s; }
.post-item:hover .post-arrow i { transform: translateX(6px); }
.empty-tip {
  grid-column: 1 / -1; text-align: center; color: var(--text-light);
  padding: 56px 0; font-size: 15px;
  background: var(--white); border-radius: var(--radius-md);
  border: 1px dashed var(--border);
}

/* ========== FAQ ========== */
.faq-section { background: var(--white); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--bg); border-radius: var(--radius-md);
  margin-bottom: 16px; border: 1px solid var(--border);
  overflow: hidden; transition: border-color 0.3s;
}
.faq-item.active { border-color: rgba(232, 84, 45, 0.3); background: #fff; box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%; display: flex; align-items: center; gap: 16px;
  padding: 20px 24px; background: transparent;
  font-size: 16px; font-weight: 600; color: var(--dark); text-align: left;
  transition: color 0.3s;
}
.faq-icon {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 600;
  transition: all 0.3s ease;
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.35s ease;
  padding: 0 24px;
}
.faq-item.active .faq-answer { max-height: 400px; padding-bottom: 20px; }
.faq-answer p { font-size: 14px; color: var(--text-light); line-height: 1.8; }

/* ========== 页脚 ========== */
.site-footer {
  background: var(--dark); color: rgba(255, 255, 255, 0.6);
  border-radius: 32px 32px 0 0; position: relative;
  margin-top: 0; padding-top: 64px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px; padding-bottom: 48px;
}
.footer-col h3 { color: #fff; font-size: 20px; font-weight: 700; margin-bottom: 16px; }
.footer-col h3 span { color: var(--gold); }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-col p { font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, 0.5); }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col ul i { margin-right: 8px; color: var(--primary); }
.footer-col a { color: rgba(255, 255, 255, 0.5); font-size: 14px; transition: color 0.3s, padding-left 0.3s; }
.footer-col a:hover { color: var(--gold); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0; text-align: center;
  font-size: 14px; color: rgba(255, 255, 255, 0.35);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.5); }
.footer-bottom a:hover { color: var(--gold); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 36px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-lg { grid-column: span 7; height: 280px; }
  .gallery-lg2 { grid-column: span 5; height: 280px; }
  .gallery-sm { grid-column: span 6; height: 200px; }
  .post-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-item + .stat-item { border-left: none; }
  .cta-banner { padding: 36px; }
}

@media (max-width: 768px) {
  :root { --space-section: 48px; }
  .nav-panel { flex-wrap: wrap; gap: 12px; padding: 14px 16px; }
  .nav-cats { margin-left: 0; order: 3; width: 100%; }
  .nav-cta { margin-left: auto; }
  .hero { padding: 56px 0 64px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 16px; }
  .section-title { font-size: 24px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .gallery-grid { gap: 12px; }
  .gallery-lg { grid-column: span 12; height: 240px; }
  .gallery-lg2 { grid-column: span 12; height: 240px; }
  .gallery-sm { grid-column: span 6; height: 180px; }
  .cta-banner { flex-direction: column; padding: 28px; gap: 24px; }
  .cta-form { min-width: 100%; }
  .faq-question { font-size: 15px; padding: 16px 18px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 17px; }
  .nav-cat { min-width: 64px; padding: 8px 6px; }
  .hero h1 { font-size: 26px; }
  .hero-sub { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .feature-grid { grid-template-columns: 1fr; }
  .gallery-sm { grid-column: span 12; }
  .countdown-num { font-size: 28px; }
  .countdown-block { padding: 12px 6px; }
  .post-link { padding: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-num { font-size: 28px; }
  .cta-banner { padding: 20px; }
  .topbar-inner { flex-direction: column; gap: 4px; text-align: center; }
}

/* roulang page: article */
:root {
  --primary: #E8542D;
  --primary-dark: #C94420;
  --primary-light: rgba(232, 84, 45, 0.10);
  --dark: #1E2428;
  --dark-2: #2A3136;
  --dark-3: #353D43;
  --bg: #F5F6F7;
  --white: #FFFFFF;
  --text: #1E2428;
  --text-light: #6B7280;
  --text-muted: #9CA3AF;
  --border: #E5E7EB;
  --gold: #E8A33D;
  --radius-card: 12px;
  --radius-btn: 6px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(30,36,40,0.06);
  --shadow-hover: 0 6px 20px rgba(232,84,45,0.12);
  --shadow-dark: 0 4px 16px rgba(0,0,0,0.25);
  --transition: all 0.3s ease;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--primary-dark);
}

ul, ol {
  list-style: none;
}

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

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

/* ===== Navigation Panel ===== */
.site-header {
  background: var(--bg);
  padding: 20px 0 8px;
}

.nav-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  box-shadow: var(--shadow-card);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--white);
  font-size: 22px;
  font-weight: 800;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(232,84,45,0.3);
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
  line-height: 1.2;
}

.logo-text span {
  color: var(--primary);
}

.nav-cats {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.nav-cat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 72px;
  height: 56px;
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  transition: var(--transition);
  position: relative;
}

.nav-cat .cat-icon {
  font-size: 18px;
  color: var(--primary);
  line-height: 1;
}

.nav-cat .cat-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
  line-height: 1;
}

.nav-cat:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.nav-cat.active {
  background: var(--primary-light);
}

.nav-cat.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-cat.active .cat-label {
  color: var(--primary);
  font-weight: 600;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 12px 24px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: var(--white) !important;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(232,84,45,0.25);
}

.btn-primary:focus {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--text);
}

.btn-outline:hover {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 18px;
  font-weight: 600;
  border-radius: var(--radius-lg);
  min-height: 52px;
}

.btn-block {
  width: 100%;
}

/* ===== Article Page ===== */
.article-main {
  padding: 40px 0 80px;
}

.breadcrumb-bar {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 14px 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb-bar a {
  color: var(--text-light);
}

.breadcrumb-bar a:hover {
  color: var(--primary);
}

.breadcrumb-bar .sep {
  color: var(--text-muted);
  margin: 0 4px;
}

.article-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 40px;
  max-width: 820px;
  margin: 0 auto;
}

.article-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.article-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: var(--text-light);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.article-meta i {
  color: var(--primary);
  margin-right: 6px;
}

.article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  max-width: 780px;
  margin: 0 auto;
}

.article-content p {
  margin-bottom: 1.2em;
}

.article-content h2 {
  font-size: 26px;
  font-weight: 600;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--text);
  position: relative;
  padding-left: 16px;
}

.article-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 24px;
  background: var(--primary);
  border-radius: 2px;
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--text);
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.2em;
  padding-left: 24px;
}

.article-content ul li {
  list-style: disc;
  margin-bottom: 8px;
}

.article-content ol li {
  list-style: decimal;
  margin-bottom: 8px;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 8px 8px 0;
  color: var(--text-light);
}

.article-content img {
  border-radius: 8px;
  margin: 24px 0;
  width: 100%;
  object-fit: cover;
}

.article-content pre {
  background: var(--dark);
  color: #E5E7EB;
  padding: 20px;
  border-radius: 10px;
  font-family: "DIN Alternate", "SF Mono", Consolas, monospace;
  font-size: 14px;
  line-height: 1.6;
  overflow-x: auto;
  margin: 24px 0;
}

.article-content code {
  font-family: "DIN Alternate", Consolas, monospace;
  background: var(--dark-3);
  color: #E5E7EB;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}

.article-content pre code {
  background: transparent;
  padding: 0;
}

.article-empty {
  text-align: center;
  padding: 80px 24px;
}

.article-empty .empty-icon {
  font-size: 56px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.article-empty h2 {
  font-size: 24px;
  color: var(--text);
  margin-bottom: 8px;
}

.article-empty p {
  color: var(--text-light);
  margin-bottom: 24px;
}

/* ===== Related Section ===== */
.related-section {
  max-width: 820px;
  margin: 48px auto 0;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.related-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.related-title i {
  color: var(--primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
  display: block;
  width: 100%;
}

.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(232, 84, 45, 0.4);
}

.related-thumb {
  width: 100%;
  height: 140px;
  overflow: hidden;
  position: relative;
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.related-card:hover .related-thumb img {
  transform: scale(1.05);
}

.related-info {
  padding: 16px;
}

.related-info h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-date {
  font-size: 12px;
  color: var(--text-muted);
}

.related-back {
  text-align: center;
  margin-top: 32px;
}

/* ===== CTA Banner ===== */
.cta-section {
  background: var(--dark);
  background-image: linear-gradient(135deg, rgba(232,84,45,0.1) 0%, transparent 50%), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(30, 36, 40, 0.75);
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-inner h2 {
  color: var(--white);
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.cta-inner h2 span {
  color: var(--gold);
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  margin-bottom: 28px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  position: relative;
  padding-top: 40px;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 20px;
  background: var(--bg);
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 48px 0 32px;
}

.footer-col h3 {
  color: var(--white);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-col h3 span {
  color: var(--primary);
}

.footer-col h4 {
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--primary);
}

.footer-col p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.7;
}

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

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-col ul li a i,
.footer-col ul li i {
  font-size: 11px;
  margin-right: 8px;
  color: var(--primary);
  width: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a:hover {
  color: var(--primary);
}

/* ===== Tags ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--primary-light);
  color: var(--primary);
}

/* ===== FAQ ===== */
.faq-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 40px;
  max-width: 820px;
  margin: 48px auto 0;
}

.faq-block .block-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-block .block-title i {
  color: var(--primary);
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media screen and (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .nav-panel {
    flex-wrap: wrap;
    padding: 12px;
  }
  
  .nav-cats {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  
  .nav-cat {
    flex-shrink: 0;
    width: 64px;
    height: 52px;
  }
  
  .nav-cta {
    padding: 10px 18px;
    font-size: 14px;
  }
  
  .article-card {
    padding: 24px;
  }
  
  .article-title {
    font-size: 26px;
  }
  
  .related-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-inner h2 {
    font-size: 26px;
  }
  
  .faq-block {
    padding: 24px;
  }
}

@media screen and (max-width: 520px) {
  body {
    font-size: 15px;
  }
  
  .logo-text {
    font-size: 17px;
  }
  
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  
  .nav-panel {
    gap: 12px;
  }
  
  .nav-cta {
    padding: 8px 14px;
    font-size: 13px;
  }
  
  .article-card {
    padding: 18px;
    border-radius: 10px;
  }
  
  .article-title {
    font-size: 22px;
  }
  
  .article-meta {
    gap: 12px;
    font-size: 12px;
  }
  
  .article-content {
    font-size: 15px;
    line-height: 1.75;
  }
  
  .article-content h2 {
    font-size: 20px;
    margin-top: 32px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .btn-lg {
    padding: 14px 24px;
    font-size: 16px;
    min-height: 48px;
  }
}

@media screen and (max-width: 640px) {
  .nav-panel {
    flex-wrap: wrap;
  }
  
  .nav-cats {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
  }
  
  .related-grid {
    grid-template-columns: 1fr;
  }
  
  .related-thumb {
    height: 120px;
  }
}

@media screen and (min-width: 641px) and (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .related-card:last-child {
    grid-column: 1 / -1;
  }
  
  .related-card:last-child .related-thumb {
    height: 160px;
  }
}

/* roulang page: category1 */
:root {
      --primary: #E8542D;
      --primary-dark: #C94420;
      --primary-light: rgba(232, 84, 45, 0.10);
      --charcoal: #1E2428;
      --charcoal-2: #2A3136;
      --bg: #F5F6F7;
      --white: #FFFFFF;
      --text: #1E2428;
      --text-light: #6B7280;
      --border: #E5E7EB;
      --gold: #E8A33D;
      --radius: 12px;
      --radius-sm: 6px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(30, 36, 40, 0.06);
      --shadow-hover: 0 6px 20px rgba(232, 84, 45, 0.12);
      --shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.25);
      --transition: all 0.3s ease;
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, "Segoe UI", sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.8;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    ul, ol { list-style: none; }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }

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

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-sm);
      padding: 12px 28px;
      font-size: 16px;
      font-weight: 600;
      line-height: 1.4;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      text-align: center;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(232, 84, 45, 0.28);
      color: #fff;
    }
    .btn-outline {
      background: transparent;
      color: #fff;
      border: 1.5px solid rgba(255, 255, 255, 0.7);
    }
    .btn-outline:hover {
      background: var(--charcoal);
      border-color: var(--charcoal);
      transform: translateY(-2px);
      color: #fff;
    }
    .btn-cta {
      height: 52px;
      padding: 0 36px;
      font-size: 18px;
      font-weight: 700;
      border-radius: var(--radius);
      box-shadow: 0 10px 24px rgba(232, 84, 45, 0.30);
    }
    .btn-cta:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(232, 84, 45, 0.36);
    }
    .btn:focus-visible {
      outline: 2px solid var(--gold);
      outline-offset: 3px;
    }

    /* ===== 顶部通告条 ===== */
    .top-ticker {
      background: var(--charcoal);
      color: rgba(255, 255, 255, 0.85);
      font-size: 13px;
      padding: 8px 0;
      text-align: center;
      letter-spacing: 0.5px;
    }
    .top-ticker strong { color: var(--gold); font-weight: 600; }

    /* ===== 导航 ===== */
    .site-header { padding: 16px 0 0; position: relative; z-index: 50; }
    .nav-panel {
      display: flex;
      align-items: center;
      gap: 20px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      padding: 12px 20px;
      flex-wrap: nowrap;
    }
    .nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .logo-icon {
      width: 44px; height: 44px;
      background: var(--primary);
      color: #fff;
      border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
      font-size: 24px; font-weight: 800;
      box-shadow: 0 4px 10px rgba(232, 84, 45, 0.3);
    }
    .logo-text { font-size: 20px; font-weight: 700; color: var(--text); line-height: 1.2; letter-spacing: 1px; }
    .logo-text span { color: var(--primary); }
    .nav-cats { display: flex; gap: 6px; margin-left: auto; align-items: center; }
    .nav-cat {
      display: flex; flex-direction: column; align-items: center; gap: 3px;
      padding: 8px 12px 10px;
      border-radius: 10px;
      color: var(--text-light);
      font-size: 12px;
      position: relative;
      transition: var(--transition);
    }
    .nav-cat .cat-icon {
      width: 44px; height: 44px;
      border-radius: 8px;
      background: var(--bg);
      display: flex; align-items: center; justify-content: center;
      font-size: 18px; color: var(--text-light);
      transition: var(--transition);
    }
    .nav-cat:hover { color: var(--primary); }
    .nav-cat:hover .cat-icon { background: var(--primary-light); color: var(--primary); }
    .nav-cat.active { color: var(--primary); font-weight: 600; }
    .nav-cat.active .cat-icon { background: var(--primary-light); color: var(--primary); }
    .nav-cat.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 24px; height: 3px;
      background: var(--primary);
      border-radius: 999px;
    }
    .nav-cta { flex-shrink: 0; }
    .nav-toggle {
      display: none;
      width: 42px; height: 42px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--white);
      color: var(--text);
      font-size: 18px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      margin-left: auto;
    }
    .nav-toggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

    /* ===== 页面顶栏 Hero ===== */
    .page-hero {
      background: var(--charcoal);
      background-image: linear-gradient(135deg, rgba(30, 36, 40, 0.92) 0%, rgba(42, 49, 54, 0.72) 100%), url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      border-radius: var(--radius-lg);
      margin-top: 24px;
      padding: 72px 56px;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .page-hero::after {
      content: '';
      position: absolute;
      bottom: -30px;
      left: -20px;
      width: 60%;
      height: 60px;
      background: var(--primary);
      transform: skewY(-2deg);
      opacity: 0.85;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(232, 163, 61, 0.18);
      border: 1px solid rgba(232, 163, 61, 0.5);
      color: var(--gold);
      font-size: 13px;
      font-weight: 600;
      padding: 5px 16px;
      border-radius: 999px;
      margin-bottom: 20px;
    }
    .page-hero h1 {
      font-size: 46px;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: 2px;
      margin-bottom: 16px;
    }
    .page-hero h1 span { color: var(--primary); position: relative; }
    .page-hero h1 span::after {
      content: '';
      position: absolute;
      bottom: 4px; left: 0;
      width: 100%; height: 8px;
      background: rgba(232, 84, 45, 0.30);
      z-index: -1;
    }
    .hero-desc { font-size: 18px; line-height: 1.9; color: rgba(255, 255, 255, 0.85); max-width: 620px; margin-bottom: 32px; }
    .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; position: relative; z-index: 2; }
    .hero-stats {
      display: flex;
      gap: 40px;
      margin-top: 48px;
      position: relative;
      z-index: 2;
      flex-wrap: wrap;
    }
    .hero-stat .num { font-size: 28px; font-weight: 700; color: var(--gold); font-family: "DIN Alternate", "Roboto Mono", monospace; }
    .hero-stat .label { font-size: 13px; color: rgba(255, 255, 255, 0.6); }

    /* ===== 分类筛选条 ===== */
    .filter-bar {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      padding: 20px 24px;
      margin-top: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }
    .filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
    .filter-tab {
      padding: 7px 18px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-light);
      background: var(--bg);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
    }
    .filter-tab:hover { color: var(--primary); background: var(--primary-light); }
    .filter-tab.active { background: var(--primary); color: #fff; box-shadow: 0 4px 10px rgba(232, 84, 45, 0.24); }
    .filter-note { font-size: 13px; color: var(--text-light); }

    /* ===== 板块通用 ===== */
    .section-block { padding: 72px 0; }
    .section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
    .section-tag {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      padding: 4px 16px;
      border-radius: 999px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-head h2 { font-size: 30px; font-weight: 700; line-height: 1.4; letter-spacing: 1px; color: var(--text); }
    .section-head p { margin-top: 12px; color: var(--text-light); font-size: 15px; line-height: 1.8; }

    /* ===== 卖点区 ===== */
    .features-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      padding: 32px 24px;
      text-align: center;
      transition: var(--transition);
      height: 100%;
    }
    .features-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
    .feature-icon {
      width: 64px; height: 64px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 16px;
      display: flex; align-items: center; justify-content: center;
      font-size: 28px;
      margin: 0 auto 18px;
    }
    .features-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
    .features-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

    /* ===== 活动亮点卡片 ===== */
    .showcase-grid { margin-bottom: 24px; }
    .showcase-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .showcase-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: rgba(232, 84, 45, 0.4);
      transform: translateY(-4px);
    }
    .card-media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
    .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
    .showcase-card:hover .card-media img { transform: scale(1.05); }
    .card-media::after {
      content: '';
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 40%;
      background: linear-gradient(to top, rgba(30, 36, 40, 0.55), transparent);
      pointer-events: none;
    }
    .card-tag {
      position: absolute;
      top: 14px; left: 14px;
      background: rgba(30, 36, 40, 0.75);
      backdrop-filter: blur(6px);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 999px;
      z-index: 2;
    }
    .card-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
    .card-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
    .card-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 14px; flex: 1; }
    .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--bg);
      padding-top: 14px;
    }
    .card-meta .date { font-size: 13px; color: var(--text-light); display: inline-flex; align-items: center; gap: 6px; }
    .card-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
    .card-link:hover { gap: 10px; color: var(--primary-dark); }
    .grid-cards > .cell { margin-bottom: 24px; }

    /* 空态 */
    .empty-state {
      display: none;
      text-align: center;
      padding: 48px 20px;
      background: var(--white);
      border: 1px dashed var(--border);
      border-radius: var(--radius);
      color: var(--text-light);
      font-size: 15px;
    }
    .empty-state i { font-size: 40px; margin-bottom: 12px; color: var(--border); }

    /* ===== 参与流程 ===== */
    .process-section {
      background: var(--charcoal);
      border-radius: var(--radius-lg);
      padding: 72px 48px;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .process-section .section-head h2 { color: #fff; }
    .process-section .section-head p { color: rgba(255, 255, 255, 0.6); }
    .process-section .section-tag { background: rgba(232, 163, 61, 0.15); color: var(--gold); }
    .process-step {
      text-align: center;
      padding: 28px 20px;
      position: relative;
    }
    .step-num {
      width: 56px; height: 56px;
      border-radius: 50%;
      background: var(--charcoal-2);
      color: var(--gold);
      font-size: 20px;
      font-weight: 700;
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 16px;
      border: 2px solid rgba(232, 163, 61, 0.4);
    }
    .process-step h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
    .process-step p { font-size: 14px; color: rgba(255, 255, 255, 0.65); line-height: 1.7; max-width: 220px; margin: 0 auto; }
    .step-line { display: none; }
    @media (min-width: 1025px) {
      .step-line {
        display: block;
        position: absolute;
        top: 44px;
        right: -20px;
        width: 40px;
        height: 1.5px;
        background: rgba(255, 255, 255, 0.2);
      }
    }

    /* ===== FAQ 手风琴 ===== */
    .faq-wrap { max-width: 820px; margin: 0 auto; }
    .accordion-item {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .accordion-item.is-active { border-color: rgba(232, 84, 45, 0.3); box-shadow: var(--shadow-hover); }
    .accordion-title {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      color: var(--text);
      background: var(--white);
      border-bottom: 1px solid transparent;
      min-height: 60px;
    }
    .accordion-item .acc-icon {
      width: 28px; height: 28px;
      flex-shrink: 0;
      border-radius: 8px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex; align-items: center; justify-content: center;
      font-size: 16px;
      transition: var(--transition);
    }
    .accordion-item.is-active .acc-icon { background: var(--primary); color: #fff; }
    .accordion-item.is-active .accordion-title { border-bottom-color: var(--border); }
    .accordion-content {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      color: var(--text-light);
      font-size: 14px;
      line-height: 1.8;
      background: #fff;
    }
    .accordion-item.is-active .accordion-content { max-height: 600px; padding: 4px 24px 22px; }
    .accordion-content p { padding-top: 8px; }

    /* ===== CTA 横幅 ===== */
    .cta-section {
      padding: 72px 0;
      position: relative;
    }
    .cta-banner {
      background: var(--charcoal);
      background-image: linear-gradient(120deg, rgba(30, 36, 40, 0.94) 0%, rgba(42, 49, 54, 0.85) 100%), url('/assets/images/backpic/back-2.png');
      background-size: cover;
      background-position: center;
      border-radius: var(--radius-lg);
      padding: 56px;
      display: flex;
      align-items: center;
      gap: 48px;
      flex-wrap: wrap;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .cta-banner::after {
      content: '';
      position: absolute;
      top: -40px; right: -30px;
      width: 180px; height: 180px;
      background: var(--primary);
      border-radius: 50%;
      opacity: 0.2;
    }
    .cta-info { flex: 1 1 360px; position: relative; z-index: 2; }
    .cta-info h2 { font-size: 30px; font-weight: 700; margin-bottom: 14px; line-height: 1.4; }
    .cta-info p { color: rgba(255, 255, 255, 0.75); font-size: 15px; line-height: 1.8; margin-bottom: 20px; }
    .cta-form-card {
      flex: 1 1 360px;
      background: var(--white);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: var(--shadow-dark);
      position: relative;
      z-index: 2;
    }
    .cta-form-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 18px; color: var(--text); }
    .form-group { margin-bottom: 16px; }
    .form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
    .form-control {
      width: 100%;
      height: 48px;
      border: 1px solid #D1D5DB;
      border-radius: var(--radius-sm);
      padding: 0 16px;
      font-size: 15px;
      color: var(--text);
      background: #fff;
      transition: var(--transition);
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(232, 84, 45, 0.12), 0 0 0 1px var(--gold);
    }
    select.form-control { appearance: auto; }
    .form-submit { width: 100%; margin-top: 8px; }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--charcoal);
      color: rgba(255, 255, 255, 0.7);
      padding-top: 72px;
      margin-top: 40px;
      position: relative;
    }
    .site-footer::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 20px;
      background: var(--bg);
      border-radius: 0 0 50% 50% / 0 0 100% 100%;
      transform: translateY(-100%);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 40px;
    }
    .footer-col h3 { color: #fff; font-size: 20px; font-weight: 700; margin-bottom: 12px; }
    .footer-col h3 span { color: var(--primary); }
    .footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 14px; }
    .footer-col p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); }
    .footer-col ul li { margin-bottom: 8px; }
    .footer-col ul a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.65);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .footer-col ul a:hover { color: var(--gold); padding-left: 3px; }
    .footer-col ul li i { font-size: 12px; color: var(--primary); }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 20px 0 24px;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.45);
    }
    .footer-bottom a { color: rgba(255, 255, 255, 0.7); }
    .footer-bottom a:hover { color: var(--gold); }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
      .page-hero { padding: 56px 36px; }
      .page-hero h1 { font-size: 36px; }
      .cta-banner { padding: 42px 32px; }
      .process-section { padding: 56px 32px; }
    }
    @media (max-width: 768px) {
      .container { padding: 0 18px; }
      .section-block { padding: 56px 0; }
      .section-head h2 { font-size: 24px; }
      .page-hero { padding: 44px 24px; }
      .page-hero h1 { font-size: 30px; }
      .hero-stats { gap: 24px; }
      .filter-bar { flex-direction: column; align-items: flex-start; }
      .cta-banner { padding: 36px 24px; }
      .cta-form-card { padding: 22px; }
    }
    @media (max-width: 640px) {
      body { font-size: 15px; line-height: 1.75; }
      .section-block { padding: 48px 0; }
      .nav-panel { flex-wrap: wrap; padding: 12px 16px; }
      .nav-logo { margin-right: auto; }
      .nav-toggle { display: inline-flex; }
      .nav-cats {
        display: none;
        flex-direction: column;
        width: 100%;
        margin: 12px 0 0;
        padding-top: 12px;
        border-top: 1px solid var(--border);
        gap: 4px;
      }
      .nav-cats.open { display: flex; }
      .nav-cat { flex-direction: row; justify-content: flex-start; width: 100%; gap: 12px; padding: 10px 12px; border-radius: 8px; }
      .nav-cat::after { display: none; }
      .nav-cat .cat-icon { width: 38px; height: 38px; font-size: 16px; }
      .nav-cta { display: none; }
      .top-ticker { font-size: 12px; padding: 6px 10px; line-height: 1.6; }
      .page-hero { padding: 36px 18px; margin-top: 16px; border-radius: var(--radius); }
      .page-hero h1 { font-size: 26px; letter-spacing: 1px; }
      .hero-desc { font-size: 15px; }
      .hero-actions .btn { width: 100%; }
      .hero-stats { flex-direction: column; gap: 12px; margin-top: 32px; }
      .features-card { padding: 24px 18px; }
      .showcase-card { border-radius: 10px; }
      .card-body { padding: 16px 16px 18px; }
      .process-section { padding: 44px 18px; }
      .process-step { padding: 20px 8px; }
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .cta-banner { padding: 32px 18px; }
      .cta-info h2 { font-size: 24px; }
      .btn-cta { height: 48px; font-size: 16px; padding: 0 28px; }
      .section-head { margin-bottom: 32px; }
      .filter-tabs { gap: 6px; }
      .filter-tab { padding: 6px 14px; font-size: 13px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }

/* roulang page: category2 */
:root {
            --primary: #E8542D;
            --primary-dark: #d0451f;
            --primary-light: #fae8e3;
            --dark: #1E2428;
            --dark-2: #2A3136;
            --bg: #F5F6F7;
            --text: #1E2428;
            --text-light: #6B7280;
            --text-muted: #9CA3AF;
            --border: #E5E7EB;
            --white: #FFFFFF;
            --gold: #E8A33D;
            --radius: 12px;
            --radius-sm: 6px;
            --radius-lg: 16px;
            --shadow: 0 2px 8px rgba(30, 36, 40, 0.06);
            --shadow-hover: 0 6px 20px rgba(232, 84, 45, 0.12);
            --shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.25);
            --container: 1200px;
            --transition: all 0.3s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        ul, ol {
            list-style: none;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section {
            padding: 72px 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-head p {
            color: var(--text-light);
            font-size: 15px;
        }

        .text-primary {
            color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 16px;
            line-height: 1.2;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-outline {
            background: transparent;
            color: var(--white);
            border-color: rgba(255, 255, 255, 0.7);
        }

        .btn-outline:hover {
            background: var(--white);
            color: var(--dark);
            border-color: var(--white);
        }

        .btn-lg {
            padding: 16px 34px;
            font-size: 18px;
            border-radius: var(--radius);
            height: 54px;
        }

        .btn-block {
            width: 100%;
        }

        .btn-dark {
            background: var(--dark);
            color: var(--white);
            border-color: var(--dark);
        }

        .btn-dark:hover {
            background: #2b343a;
        }

        .pill-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(232, 84, 45, 0.1);
            color: var(--primary);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .text-link {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
        }

        .text-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ==================== 导航面板 ==================== */
        .site-header {
            background: var(--bg);
            padding: 20px 0 8px;
        }

        .nav-panel {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 20px;
        }

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

        .logo-icon {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: var(--white);
            font-weight: 700;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            line-height: 1;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--primary);
        }

        .nav-cats {
            display: flex;
            align-items: flex-end;
            gap: 8px;
            flex: 1;
            justify-content: center;
            padding: 4px 8px;
        }

        .nav-cat {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            padding: 10px 18px 8px;
            border-radius: 10px;
            background: var(--bg);
            transition: var(--transition);
            position: relative;
            min-width: 80px;
        }

        .nav-cat .cat-icon {
            font-size: 18px;
            color: var(--text-light);
        }

        .nav-cat .cat-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-light);
        }

        .nav-cat:hover {
            background: rgba(232, 84, 45, 0.1);
        }

        .nav-cat:hover .cat-icon,
        .nav-cat:hover .cat-label {
            color: var(--primary);
        }

        .nav-cat.active {
            background: rgba(232, 84, 45, 0.08);
        }

        .nav-cat.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cat.active .cat-icon,
        .nav-cat.active .cat-label {
            color: var(--primary);
        }

        .nav-cta {
            padding: 10px 22px;
            font-size: 15px;
            flex-shrink: 0;
        }

        /* ==================== Hero ==================== */
        .cat-hero {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0 70px;
        }

        .cat-hero .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.25;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 90px;
            background: linear-gradient(180deg, transparent, var(--dark));
            z-index: 1;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            align-items: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(232, 163, 61, 0.15);
            color: var(--gold);
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            border: 1px solid rgba(232, 163, 61, 0.2);
        }

        .hero-content h1 {
            font-size: 44px;
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .hero-content .hero-sub {
            color: rgba(255, 255, 255, 0.8);
            font-size: 18px;
            line-height: 1.8;
            max-width: 480px;
            margin-bottom: 28px;
        }

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

        .countdown-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-dark);
        }

        .countdown-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }

        .cd-label {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
        }

        .cd-tag {
            background: rgba(232, 84, 45, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }

        .countdown-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 14px;
        }

        .cd-block {
            background: var(--dark-2);
            border-radius: 8px;
            padding: 12px 8px;
            text-align: center;
        }

        .cd-num {
            display: block;
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1;
        }

        .cd-unit {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
            margin-top: 6px;
            letter-spacing: 1px;
        }

        .countdown-note {
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 10px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .hero-stripe {
            position: absolute;
            bottom: -20px;
            left: 0;
            right: 0;
            height: 40px;
            background: var(--primary);
            transform: skewY(-1.5deg);
            z-index: 3;
        }

        /* ==================== 卖点 ==================== */
        .features-section {
            background: var(--bg);
        }

        .features-grid {
            gap: 20px 0;
        }

        .features-grid .column {
            padding: 0 12px;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 22px 24px;
            text-align: center;
            height: 100%;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 84, 45, 0.25);
            transform: translateY(-4px);
        }

        .feature-icon {
            display: inline-flex;
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(232, 84, 45, 0.1);
            color: var(--primary);
            font-size: 24px;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
        }

        /* ==================== 项目覆盖 ==================== */
        .sports-section {
            background: var(--white);
        }

        .sport-card {
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
        }

        .sport-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .sport-card .sport-img {
            position: relative;
            height: 260px;
            overflow: hidden;
        }

        .sport-card-lg .sport-img {
            height: 300px;
        }

        .sport-card .sport-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .sport-card:hover .sport-img img {
            transform: scale(1.05);
        }

        .sport-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(20, 24, 28, 0.85) 100%);
        }

        .sport-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 22px;
        }

        .sport-badge {
            display: inline-block;
            background: var(--primary);
            color: var(--white);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .sport-info h3 {
            color: var(--white);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .sport-info p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            line-height: 1.6;
        }

        .second-row {
            margin-top: 20px;
        }

        /* ==================== 更新流程 ==================== */
        .process-section {
            background: var(--bg);
        }

        .process-grid .column {
            padding: 0 12px;
        }

        .process-step {
            background: var(--white);
            border-radius: var(--radius);
            padding: 32px 22px 24px;
            text-align: center;
            height: 100%;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
            z-index: 1;
            transition: var(--transition);
        }

        .process-step::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 4px;
            border-radius: 0 0 4px 4px;
            background: var(--primary);
            opacity: 0.8;
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .step-num {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            color: rgba(232, 84, 45, 0.25);
            margin-bottom: 12px;
            display: block;
            line-height: 1;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
        }

        /* ==================== 本周焦点 ==================== */
        .focus-section {
            background: var(--white);
        }

        .focus-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            height: 100%;
            transition: var(--transition);
        }

        .focus-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .focus-img {
            height: 220px;
            overflow: hidden;
        }

        .focus-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .focus-card:hover .focus-img img {
            transform: scale(1.03);
        }

        .focus-content {
            padding: 24px;
        }

        .focus-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin: 10px 0 8px;
            line-height: 1.4;
        }

        .focus-content p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .hot-list-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 24px 28px;
            height: 100%;
            border: 1px solid var(--border);
        }

        .hot-list-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }

        .hot-list-card h3::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
        }

        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hot-list li {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 12px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .hot-list li:hover {
            background: rgba(232, 84, 45, 0.06);
        }

        .hot-num {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
            width: 34px;
        }

        .hot-list li:first-child .hot-num {
            color: var(--primary);
        }

        .hot-list h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
        }

        .hot-list p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ==================== FAQ ==================== */
        .faq-section {
            background: var(--bg);
        }

        .accordion {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .accordion-item {
            border-bottom: 1px solid var(--border);
        }

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

        .accordion-title {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .accordion-title::before {
            content: "+";
            display: flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            background: rgba(232, 84, 45, 0.1);
            color: var(--primary);
            border-radius: 50%;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .accordion-item.is-active .accordion-title::before {
            content: "−";
            background: var(--primary);
            color: var(--white);
        }

        .accordion-title:hover {
            color: var(--primary);
        }

        .accordion-content {
            padding: 0 24px 18px 64px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }

        .accordion-content p {
            margin-bottom: 4px;
        }

        /* ==================== CTA ==================== */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .cta-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.2;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px 40px;
            box-shadow: var(--shadow-dark);
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .cta-card>div>p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
        }

        .cta-form {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            height: 48px;
            border: 1px solid #D1D5DB;
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 15px;
            background: var(--white);
            color: var(--text);
            transition: var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 84, 45, 0.15);
            outline: none;
        }

        .form-note {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 12px;
        }

        /* ==================== 页脚 ==================== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            position: relative;
            margin-top: 0;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: -20px;
            left: 0;
            right: 0;
            height: 20px;
            border-radius: 50% 50% 0 0;
            background: var(--dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-col h3 {
            color: var(--white);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-col h3 span {
            color: var(--primary);
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 15px;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-col ul li {
            margin-bottom: 8px;
            font-size: 14px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 2px;
        }

        .footer-col ul li i {
            width: 16px;
            color: var(--primary);
            font-size: 12px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ==================== 响应式 ==================== */
        @media (max-width: 1024px) {
            .nav-panel {
                flex-wrap: wrap;
            }

            .nav-cats {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding: 8px 0 4px;
                flex-wrap: nowrap;
                scrollbar-width: thin;
            }

            .nav-cat {
                min-width: 90px;
                flex-shrink: 0;
            }

            .hero-content h1 {
                font-size: 36px;
            }

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

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

            .section-head h2 {
                font-size: 24px;
            }

            .hero-content {
                text-align: center;
            }

            .hero-content .hero-sub {
                margin-left: auto;
                margin-right: auto;
                font-size: 16px;
            }

            .hero-actions {
                justify-content: center;
            }

            .countdown-card {
                margin-top: 32px;
                max-width: 420px;
                margin-left: auto;
                margin-right: auto;
            }

            .countdown-grid {
                gap: 8px;
            }

            .cd-num {
                font-size: 32px;
            }

            .sport-card .sport-img {
                height: 220px;
            }

            .sport-card-lg .sport-img {
                height: 240px;
            }

            .process-grid .column {
                margin-bottom: 16px;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .cta-card {
                padding: 28px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 30px;
            }
        }

        @media (max-width: 640px) {
            .nav-panel {
                padding: 12px 14px;
            }

            .nav-logo .logo-text {
                font-size: 18px;
            }

            .nav-cta {
                padding: 8px 16px;
                font-size: 14px;
            }

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

            .hero-content .hero-sub {
                font-size: 15px;
            }

            .btn-lg {
                width: 100%;
                height: 50px;
                font-size: 16px;
                padding: 12px 20px;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

            .countdown-card {
                padding: 20px 16px;
            }

            .cd-block {
                padding: 10px 4px;
            }

            .cd-num {
                font-size: 28px;
            }

            .sport-card .sport-img {
                height: 200px;
            }

            .sport-card-lg .sport-img {
                height: 220px;
            }

            .second-row {
                margin-top: 16px;
            }

            .features-grid .column {
                margin-bottom: 16px;
            }

            .process-grid .column {
                padding: 0 6px;
            }

            .accordion-title {
                padding: 16px 16px;
                font-size: 15px;
            }

            .accordion-content {
                padding: 0 16px 16px 50px;
                font-size: 14px;
            }

            .cta-section {
                padding: 56px 0;
            }

            .cta-form {
                padding: 18px;
            }

            .footer-bottom {
                font-size: 13px;
                padding: 20px 0;
            }
        }