/* roulang page: index */
/* ===================== 设计变量 ===================== */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fef3c7;
  --ink-900: #0f172a;
  --ink-700: #1e293b;
  --ink-500: #475569;
  --ink-400: #64748b;
  --ink-300: #94a3b8;
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-dark: #0b1426;
  --bg-dark-2: #101d36;
  --line: #e2e8f0;
  --line-light: #f1f5f9;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --shadow-xs: 0 1px 3px rgba(15,23,42,.05);
  --shadow-sm: 0 2px 10px rgba(15,23,42,.06);
  --shadow-md: 0 6px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.12);
  --shadow-primary: 0 8px 28px rgba(37,99,235,.22);
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --container-w: 1200px;
  --section-pad: 96px;
  --font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

/* ===================== 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-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-500);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
button { cursor: pointer; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family);
  color: var(--ink-900);
  line-height: 1.3;
  font-weight: 700;
}
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================== 按钮 ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(37,99,235,.3);
  color: #fff;
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,.08);
  color: #fff;
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent);
  color: var(--ink-900);
}
.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn-block { width: 100%; }
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-lg { padding: 18px 40px; font-size: 17px; }

/* ===================== 顶部信息条 ===================== */
.top-bar {
  background: var(--bg-dark);
  color: rgba(255,255,255,.7);
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  gap: 12px;
}
.top-welcome { display: inline-flex; align-items: center; gap: 6px; }
.top-welcome i { color: var(--accent); }
.top-links { display: flex; gap: 18px; align-items: center; }
.top-links a { color: rgba(255,255,255,.6); transition: color .2s; display: inline-flex; align-items: center; gap: 5px; }
.top-links a:hover { color: #fff; }

/* ===================== Header 导航 ===================== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-xs);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--ink-900);
  letter-spacing: -.5px;
  white-space: nowrap;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
}
.logo:hover { color: var(--ink-900); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-500);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: color .2s, background .2s;
}
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink-700);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: background .2s;
}
.menu-toggle:hover { background: var(--line-light); }

/* ===================== Hero 首屏 ===================== */
.hero {
  position: relative;
  background: linear-gradient(105deg, rgba(7,16,32,.92) 0%, rgba(13,28,55,.82) 48%, rgba(20,40,80,.7) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  padding: 110px 0 130px;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -60px;
  right: -40px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,.25), transparent 65%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  color: rgba(255,255,255,.9);
  backdrop-filter: blur(6px);
  margin-bottom: 26px;
}
.hero-badge i { color: var(--accent); }
.hero h1 {
  font-size: 52px;
  line-height: 1.18;
  color: #fff;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.hero h1 .gradient-text {
  background: linear-gradient(120deg, #60a5fa, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,.78);
  margin-bottom: 34px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.7);
}
.trust-item i {
  color: var(--accent);
  font-size: 15px;
}

/* ===================== 通用板块 ===================== */
.section { padding: var(--section-pad) 0; }
.section-alt { background: var(--bg-card); }
.section-dark {
  background: var(--bg-dark);
  color: rgba(255,255,255,.8);
}
.section-dark h2 { color: #fff; }
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-header h2 {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -.6px;
  margin-bottom: 8px;
}
.section-header p {
  font-size: 15px;
  color: var(--ink-400);
  max-width: 540px;
}
.section-header.center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.section-header.center p { margin-left: auto; margin-right: auto; }

/* ===================== 核心亮点 ===================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #60a5fa);
  opacity: 0;
  transition: opacity .3s;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}
.feature-card:nth-child(2) .feature-icon { background: var(--accent-light); color: var(--accent-dark); }
.feature-card:nth-child(3) .feature-icon { background: #dcfce7; color: #16a34a; }
.feature-card:nth-child(4) .feature-icon { background: #fae8ff; color: #c026d3; }
.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-400);
}

/* ===================== 分类入口 ===================== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-dark);
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.category-card:hover img { transform: scale(1.05); }
.category-overlay {
  position: relative;
  z-index: 2;
  padding: 34px 28px 28px;
  width: 100%;
  background: linear-gradient(to top, rgba(7,16,32,.92) 0%, rgba(7,16,32,.55) 55%, transparent 100%);
}
.category-overlay .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.18);
  color: #fff;
  backdrop-filter: blur(4px);
  margin-bottom: 12px;
}
.category-overlay h3 {
  color: #fff;
  font-size: 22px;
  margin-bottom: 6px;
}
.category-overlay p {
  color: rgba(255,255,255,.72);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #93c5fd;
  transition: gap .2s, color .2s;
}
.category-link:hover { color: #fff; gap: 10px; }

/* ===================== 数据统计 ===================== */
.stats-section {
  position: relative;
  padding: 90px 0;
  background: linear-gradient(115deg, rgba(7,16,32,.9), rgba(13,28,55,.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: rgba(255,255,255,.8);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item {
  padding: 28px 16px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  transition: var(--transition);
}
.stat-item:hover {
  background: rgba(255,255,255,.08);
  transform: translateY(-4px);
}
.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 6px;
  letter-spacing: -1px;
}
.stat-number span { color: var(--accent); }
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  letter-spacing: .03em;
}

/* ===================== 热门看点 ===================== */
.hot-section {
  background: var(--bg-card);
}
.hot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.hot-card {
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}
.hot-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.hot-cover {
  position: relative;
  height: 190px;
  overflow: hidden;
}
.hot-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.hot-card:hover .hot-cover img { transform: scale(1.06); }
.hot-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(245,158,11,.35);
}
.hot-update {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(7,16,32,.65);
  color: #fff;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}
.hot-info { padding: 24px; }
.hot-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}
.tag-fire {
  color: #dc2626;
  background: #fee2e2;
}
.tag-new {
  color: #16a34a;
  background: #dcfce7;
}
.hot-info h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.hot-info p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-400);
  margin-bottom: 18px;
}
.hot-progress { margin-bottom: 16px; }
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-400);
  margin-bottom: 6px;
}
.progress-label strong { color: var(--ink-700); }
.progress-bar {
  height: 6px;
  border-radius: 4px;
  background: var(--line-light);
  overflow: hidden;
}
.progress-bar span {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), #60a5fa);
}
.hot-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line-light);
  padding-top: 14px;
}
.hot-footer a {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap .2s;
}
.hot-footer a:hover { gap: 9px; }
.hot-footer .views {
  font-size: 12px;
  color: var(--ink-300);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ===================== 最新资讯 ===================== */
.news-section { background: var(--bg-body); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.news-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  padding: 26px 28px;
  transition: var(--transition);
}
.news-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
  transform: translateY(-3px);
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
}
.badge-orange { background: var(--accent-light); color: var(--accent-dark); }
.badge-green { background: #dcfce7; color: #16a34a; }
.badge-purple { background: #fae8ff; color: #c026d3; }
.news-time {
  font-size: 12px;
  color: var(--ink-300);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-900);
  transition: color .2s;
}
.news-card:hover h3 { color: var(--primary); }
.news-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-400);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-more {
  margin-top: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap .2s;
}
.news-card:hover .news-more { gap: 9px; }
.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 30px;
  background: var(--bg-card);
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  color: var(--ink-400);
  font-size: 15px;
}
.news-view-all {
  text-align: center;
  margin-top: 42px;
}

/* ===================== 上手指南 ===================== */
.steps-section {
  background: var(--bg-card);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step-card {
  position: relative;
  background: var(--bg-body);
  border-radius: var(--radius-lg);
  padding: 36px 26px 30px;
  border: 1px solid var(--line-light);
  transition: var(--transition);
}
.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 6px 16px rgba(37,99,235,.3);
}
.step-card:nth-child(2) .step-num { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); box-shadow: 0 6px 16px rgba(245,158,11,.3); }
.step-card:nth-child(3) .step-num { background: linear-gradient(135deg, #16a34a, #15803d); box-shadow: 0 6px 16px rgba(22,163,74,.3); }
.step-card:nth-child(4) .step-num { background: linear-gradient(135deg, #c026d3, #a21caf); box-shadow: 0 6px 16px rgba(192,38,211,.3); }
.step-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}
.step-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-400);
}

/* ===================== FAQ ===================== */
.faq-section { background: var(--bg-body); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .3s;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary); }
.faq-item summary .faq-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--line-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--ink-500);
  flex-shrink: 0;
  transition: transform .3s, background .3s, color .3s;
}
.faq-item[open] summary .faq-arrow {
  transform: rotate(180deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  padding: 0 26px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-500);
}
.faq-item[open] .faq-answer { padding-top: 0; }

/* ===================== CTA ===================== */
.cta-section {
  position: relative;
  background: linear-gradient(110deg, rgba(7,16,32,.94), rgba(15,32,62,.88)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 110px 0;
}
.cta-section h2 {
  color: #fff;
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -.5px;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,.72);
  max-width: 520px;
  margin: 0 auto 36px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-note {
  margin-top: 24px;
  font-size: 12px;
  color: rgba(255,255,255,.5);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===================== 页脚 ===================== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.6);
  padding: 70px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 50px;
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo:hover { color: #fff; }
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.55);
  max-width: 340px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 20px;
  font-weight: 600;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s, padding-left .2s;
}
.footer-links a:hover { color: #93c5fd; padding-left: 6px; }
.footer-links a i { font-size: 12px; color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  flex-wrap: wrap;
}
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: #fff; }

/* ===================== 响应式 ===================== */
@media (max-width: 1024px) {
  :root { --section-pad: 72px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hot-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 42px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-pad: 56px; }
  .container { padding: 0 18px; }
  .header-inner { height: 66px; gap: 14px; }
  .logo { font-size: 17px; }
  .logo-icon { width: 34px; height: 34px; font-size: 15px; }
  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 66px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform .3s ease, opacity .3s ease, visibility .3s;
    z-index: 99;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-link {
    display: block;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 15px;
  }
  .nav-link.active::after { display: none; }
  .header-actions .btn { display: none; }
  .hero { padding: 80px 0 100px; }
  .hero h1 { font-size: 32px; }
  .hero-desc { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .category-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .news-grid { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .section-header h2 { font-size: 27px; }
  .cta-section { padding: 80px 0; }
  .cta-section h2 { font-size: 30px; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .features-grid { grid-template-columns: 1fr; }
  .hot-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 34px; }
  .top-bar .top-links { display: none; }
  .hero h1 { font-size: 28px; }
  .hero-trust { gap: 14px; }
  .btn-lg { padding: 16px 30px; font-size: 16px; }
  .faq-item summary { padding: 16px 18px; font-size: 15px; }
  .faq-answer { padding: 0 18px 18px; font-size: 13px; }
  .news-card { padding: 20px; }
  .footer-bottom { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* roulang page: category1 */
:root {
            --primary: #e63946;
            --primary-dark: #b02a35;
            --primary-light: #ff6b6b;
            --accent: #ffd166;
            --accent-dark: #f4a261;
            --dark: #0f1419;
            --dark-2: #1a1f29;
            --dark-3: #232936;
            --text-main: #e8eaed;
            --text-weak: #9aa4b2;
            --text-mute: #6b7683;
            --border: #2c3542;
            --bg-body: #0b0e13;
            --bg-section: #12161d;
            --bg-card: #1a2029;
            --bg-hover: #222a36;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s ease;
            --container: 1200px;
            --space-section: 90px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        img,
        svg {
            display: block;
            max-width: 100%;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ========== 顶部信息条 ========== */
        .top-bar {
            background: var(--dark-2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 13px;
            color: var(--text-weak);
            padding: 8px 0;
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .top-bar-info {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .top-bar-info span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .top-bar-info i {
            color: var(--primary-light);
            font-size: 12px;
        }

        .top-bar-link {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar-link a {
            color: var(--text-weak);
            transition: var(--transition);
        }

        .top-bar-link a:hover {
            color: var(--primary-light);
        }

        .top-bar-cta {
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 20px;
            font-weight: 600;
            transition: var(--transition);
        }

        .top-bar-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }

        /* ========== 主导航 ========== */
        .main-header {
            background: var(--dark);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            height: 76px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.35);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
        }

        .nav-link {
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(230, 57, 70, 0.15);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 220px;
            padding: 9px 16px 9px 38px;
            border-radius: 30px;
            background: var(--bg-section);
            border: 1px solid var(--border);
            color: var(--text-main);
            font-size: 14px;
            transition: var(--transition);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
        }

        .nav-search i {
            position: absolute;
            left: 14px;
            color: var(--text-mute);
            font-size: 14px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            border: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(230, 57, 70, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-main);
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--border);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            transform: translateY(-2px);
        }

        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            background: var(--bg-section);
            border: 1px solid var(--border);
            color: var(--text-main);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .hamburger:hover {
            border-color: var(--primary);
            color: var(--primary-light);
        }

        /* ========== 页头 Banner ========== */
        .page-banner {
            position: relative;
            padding: 80px 0;
            background: var(--dark-2);
            background-image: linear-gradient(135deg, rgba(11, 14, 19, 0.92), rgba(26, 31, 41, 0.82)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            text-align: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(230, 57, 70, 0.25), transparent 60%);
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .page-banner .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            border: 1px solid rgba(230, 57, 70, 0.3);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 16px;
        }

        .page-banner h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: 1px;
        }

        .page-banner p {
            font-size: 17px;
            color: var(--text-weak);
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .banner-breadcrumb {
            margin-top: 24px;
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-mute);
        }

        .banner-breadcrumb a {
            color: var(--text-weak);
        }

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

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--space-section) 0;
        }

        .section-alt {
            background: var(--bg-section);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
        }

        .section-title-wrap {
            max-width: 660px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--primary-light);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .section-desc {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ========== 赛事快讯 ========== */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .match-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
            position: relative;
        }

        .match-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(230, 57, 70, 0.2);
        }

        .match-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .match-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .match-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 14, 19, 0.9), transparent 60%);
        }

        .match-status {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 1px;
        }

        .match-status.live {
            background: #f44336;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(244, 67, 54, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(244, 67, 54, 0);
            }
        }

        .match-status.upcoming {
            background: var(--accent-dark);
        }

        .match-time {
            position: absolute;
            bottom: 14px;
            right: 14px;
            z-index: 2;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
        }

        .match-card-body {
            padding: 22px;
        }

        .match-team {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .match-team i {
            color: var(--primary-light);
            font-size: 14px;
        }

        .match-league {
            font-size: 13px;
            color: var(--text-mute);
            background: var(--bg-section);
            display: inline-block;
            padding: 3px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            border: 1px solid var(--border);
        }

        .match-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .match-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .match-meta i {
            color: var(--text-mute);
            font-size: 12px;
        }

        /* ========== 直播分类入口 ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .topic-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .topic-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(230, 57, 70, 0.2);
        }

        .topic-card:hover::before {
            opacity: 1;
        }

        .topic-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.2), rgba(230, 57, 70, 0.05));
            border: 1px solid rgba(230, 57, 70, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary-light);
            margin-bottom: 18px;
        }

        .topic-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            margin-top: 16px;
            transition: var(--transition);
        }

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

        /* ========== 热门排行 ========== */
        .rank-section {
            background: var(--dark-2);
            background-image: linear-gradient(135deg, rgba(11, 14, 19, 0.95), rgba(26, 31, 41, 0.85)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }

        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rank-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 18px;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }

        .rank-item:hover {
            background: var(--bg-hover);
            transform: translateX(6px);
            border-color: rgba(230, 57, 70, 0.2);
        }

        .rank-num {
            font-size: 22px;
            font-weight: 900;
            color: var(--text-mute);
            width: 44px;
            text-align: center;
            font-style: italic;
        }

        .rank-item:nth-child(1) .rank-num,
        .rank-item:nth-child(2) .rank-num,
        .rank-item:nth-child(3) .rank-num {
            color: var(--accent);
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-info p {
            font-size: 13px;
            color: var(--text-weak);
        }

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

        .heat-bar {
            width: 100px;
            height: 6px;
            background: var(--dark-3);
            border-radius: 10px;
            overflow: hidden;
        }

        .heat-bar span {
            display: block;
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 10px;
        }

        .heat-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            min-width: 40px;
            text-align: right;
        }

        /* ========== 数据指标 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            text-align: center;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            border-color: rgba(230, 57, 70, 0.3);
            box-shadow: var(--shadow-card);
        }

        .stat-num {
            font-size: 38px;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 15px;
            color: var(--text-weak);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ========== 图文板块 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 48px;
            align-items: center;
        }

        .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
        }

        .feature-img img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .feature-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 14, 19, 0.5), transparent 50%);
        }

        .feature-content h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .feature-content p {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-main);
        }

        .feature-list li i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 5px;
        }

        /* ========== 观看指南 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }

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

        .step-num {
            font-size: 42px;
            font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 2px var(--primary);
            line-height: 1;
            margin-bottom: 14px;
            display: block;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.04);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.2);
        }

        .faq-item summary {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--text-mute);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary {
            color: var(--primary-light);
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary-light);
        }

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 16px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.95), rgba(176, 42, 53, 0.95));
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: rgba(0, 0, 0, 0.1);
            border-radius: 50%;
        }

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

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .btn-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: var(--transition);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark-2);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .logo {
            margin-bottom: 16px;
            font-size: 22px;
        }

        .footer-desc {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-weak);
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
        }

        .footer-links a i {
            font-size: 12px;
            margin-right: 4px;
            color: var(--text-mute);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        .footer-links a:hover i {
            color: var(--primary-light);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 13px;
            color: var(--text-mute);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .nav-search input {
                width: 160px;
            }

            .match-grid,
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .feature-grid {
                gap: 32px;
            }

            .section {
                --space-section: 70px;
            }
        }

        @media (max-width: 768px) {
            .top-bar .container {
                flex-direction: column;
                gap: 6px;
                padding: 8px 20px;
            }

            .top-bar-info {
                flex-wrap: wrap;
                justify-content: center;
                gap: 10px;
            }

            .top-bar-link {
                gap: 10px;
            }

            .main-header .container {
                height: 66px;
                gap: 12px;
            }

            .logo {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--dark-2);
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 24px 30px;
                gap: 6px;
                transition: right 0.3s ease;
                z-index: 1100;
                border-left: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: -20px 0 40px rgba(0, 0, 0, 0.4);
            }

            .main-nav.open {
                right: 0;
            }

            .nav-link {
                width: 100%;
                padding: 14px 16px;
                font-size: 16px;
                border-radius: var(--radius-md);
            }

            .nav-link.active::after {
                bottom: auto;
                left: 0;
                top: 50%;
                transform: translateY(-50%);
                width: 4px;
                height: 24px;
            }

            .nav-actions {
                margin-left: auto;
            }

            .nav-search {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-overlay {
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.6);
                z-index: 1050;
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
            }

            .nav-overlay.show {
                opacity: 1;
                visibility: visible;
            }

            .page-banner {
                padding: 60px 0;
            }

            .page-banner h1 {
                font-size: 30px;
            }

            .page-banner p {
                font-size: 15px;
            }

            .section-title {
                font-size: 26px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .match-grid,
            .topic-grid {
                grid-template-columns: 1fr;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .feature-content h2 {
                font-size: 24px;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

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

            .rank-item {
                flex-wrap: wrap;
                gap: 12px;
            }

            .rank-heat {
                width: 100%;
                justify-content: flex-end;
            }

            .heat-bar {
                flex: 1;
                max-width: 140px;
            }

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

            .cta-inner h2 {
                font-size: 26px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn-white,
            .btn-ghost {
                width: 100%;
                max-width: 320px;
                justify-content: center;
            }

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .logo {
                font-size: 16px;
                gap: 8px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                border-radius: 8px;
                font-size: 12px;
            }

            .btn-primary {
                padding: 8px 16px;
                font-size: 14px;
            }

            .page-banner h1 {
                font-size: 26px;
            }

            .page-banner p {
                font-size: 14px;
            }

            .section {
                --space-section: 56px;
            }

            .section-title {
                font-size: 24px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-card {
                padding: 22px 12px;
            }

            .stat-num {
                font-size: 24px;
            }

            .stat-label {
                font-size: 13px;
            }

            .match-card-body {
                padding: 18px;
            }

            .topic-card {
                padding: 22px 20px;
            }

            .rank-item {
                padding: 14px 16px;
            }

            .rank-num {
                font-size: 18px;
                width: 32px;
            }

            .rank-info h4 {
                font-size: 15px;
            }

            .faq-item summary {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-item .faq-answer {
                padding: 0 18px 18px;
            }
        }

        @media (max-width: 380px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 辅助 ========== */
        .text-center {
            text-align: center;
        }

        .mt-60 {
            margin-top: 60px;
        }

        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 46px;
            height: 46px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-weak);
            font-size: 16px;
            cursor: pointer;
            z-index: 999;
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
        }

        .scroll-top.show {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-4px);
        }

        .banner-wave {
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            line-height: 0;
            z-index: 1;
            pointer-events: none;
        }

        .banner-wave svg {
            width: 100%;
            height: 50px;
            display: block;
        }

/* roulang page: category2 */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #eef2ff;
  --accent: #f59e0b;
  --accent-light: #fffbeb;
  --bg-body: #f7f8fc;
  --bg-white: #ffffff;
  --bg-dark: #0f172a;
  --bg-dark-2: #1e293b;
  --text-main: #1e293b;
  --text-body: #475569;
  --text-weak: #94a3b8;
  --border: #e2e8f0;
  --border-light: #edf2f7;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --shadow-primary: 0 8px 24px rgba(99, 102, 241, 0.25);
  --space-section: 88px;
  --space-section-sm: 56px;
  --container: 1200px;
  --font-main: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-body);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input {
  font-family: inherit;
}

h1, h2, h3, h4, h5 {
  color: var(--text-main);
  line-height: 1.3;
  font-weight: 700;
}

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

/* ===== 顶部信息条 ===== */
.top-bar {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  padding: 8px 0;
  letter-spacing: 0.02em;
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-bar a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  transition: color 0.25s;
}

.top-bar a:hover {
  color: #fff;
}

.top-bar .split-dot {
  width: 3px;
  height: 3px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  display: inline-block;
  margin: 0 10px;
}

/* ===== 主导航 ===== */
.main-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.04);
}

.main-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: var(--shadow-primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 15px;
  color: var(--text-body);
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-link.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  transition: all 0.25s ease;
  cursor: pointer;
  border: 1px solid transparent;
  text-align: center;
  white-space: nowrap;
}

.btn-sm {
  padding: 7px 18px;
  font-size: 14px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.28);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(99, 102, 241, 0.35);
}

.btn-outline {
  border-color: var(--border);
  color: var(--text-main);
  background: var(--bg-white);
}

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

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  transform: translateY(-2px);
}

/* 汉堡菜单按钮 */
.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  background: var(--bg-white);
}

/* ===== Hero / Banner ===== */
.cat-hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 72px 0 64px;
  color: #fff;
  overflow: hidden;
}

.cat-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 45%, rgba(15, 23, 42, 0.35) 100%);
}

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

.cat-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
  font-size: 13px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.cat-hero h1 {
  font-size: 42px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  max-width: 640px;
}

.cat-hero p {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin-bottom: 32px;
}

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

.cat-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.hero-tag {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
}

/* ===== 面包屑 ===== */
.breadcrumb-bar {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  padding: 14px 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-weak);
}

.breadcrumb a {
  color: var(--text-weak);
  transition: color 0.25s;
}

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

.breadcrumb .sep {
  color: #cbd5e1;
  font-size: 12px;
}

.breadcrumb .current {
  color: var(--text-main);
  font-weight: 500;
}

/* ===== 通用板块 ===== */
.section {
  padding: var(--space-section) 0;
}

.section-alt {
  background: var(--bg-white);
}

.section-hero-light {
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--bg-body) 100%);
}

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
}

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

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--primary-light);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  line-height: 1.3;
}

.section-head p {
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.7;
}

/* ===== 分类介绍区 ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.intro-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.intro-visual img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.intro-visual .visual-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(0deg, rgba(15, 23, 42, 0.7) 0%, transparent 100%);
  padding: 32px 24px 20px;
}

.intro-visual .visual-overlay span {
  color: #fff;
  font-weight: 600;
  font-size: 15px;
}

.intro-content h2 {
  font-size: 32px;
  margin-bottom: 20px;
}

.intro-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 24px;
}

.intro-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.point-item {
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: all 0.3s ease;
}

.point-item:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.point-item i {
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 8px;
}

.point-item h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.point-item p {
  font-size: 13px;
  color: var(--text-weak);
  margin: 0;
  line-height: 1.5;
}

/* ===== 游戏卡片区 ===== */
.game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.game-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: all 0.35s ease;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.game-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.game-card-cover {
  position: relative;
  height: 190px;
  overflow: hidden;
}

.game-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.game-card:hover .game-card-cover img {
  transform: scale(1.06);
}

.game-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.game-card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.game-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.game-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.game-card-body .game-desc {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.game-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 14px;
}

.game-meta-row i {
  margin-right: 5px;
  color: var(--primary);
}

.game-stats {
  display: flex;
  gap: 14px;
}

.game-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}

.game-footer .btn {
  padding: 8px 18px;
  font-size: 13px;
}

.game-footer .rating {
  color: #f59e0b;
  font-weight: 700;
  font-size: 14px;
}

.game-footer .rating i {
  margin-right: 4px;
}

/* ===== 玩法指南 ===== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.guide-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 1px solid var(--border-light);
  position: relative;
  transition: all 0.3s ease;
}

.guide-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.guide-num {
  font-size: 36px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
  line-height: 1;
}

.guide-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.guide-card p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.65;
  margin: 0;
}

/* ===== 数据/统计 ===== */
.stats-section {
  background: var(--bg-dark);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  padding: 72px 0;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.88);
}

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

.stats-section .section-head h2 {
  color: #fff;
}

.stats-section .section-head p {
  color: rgba(255, 255, 255, 0.7);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.stat-item {
  text-align: center;
  padding: 28px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(6px);
  transition: all 0.3s ease;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--primary);
  transform: translateY(-4px);
}

.stat-num {
  font-size: 40px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-num span {
  font-size: 20px;
  font-weight: 700;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

/* ===== 热门排行 ===== */
.rank-section {
  background: var(--bg-white);
}

.rank-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
  margin: 0 auto;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  transition: all 0.3s ease;
}

.rank-item:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  transform: translateX(6px);
}

.rank-no {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  color: var(--text-weak);
  flex-shrink: 0;
}

.rank-item:nth-child(1) .rank-no {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #fff;
  border: none;
}

.rank-item:nth-child(2) .rank-no {
  background: linear-gradient(135deg, #94a3b8, #cbd5e1);
  color: #fff;
  border: none;
}

.rank-item:nth-child(3) .rank-no {
  background: linear-gradient(135deg, #d97706, #b45309);
  color: #fff;
  border: none;
}

.rank-info {
  flex: 1;
  min-width: 0;
}

.rank-info h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.rank-info p {
  font-size: 13px;
  color: var(--text-weak);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-tag {
  font-size: 12px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  flex-shrink: 0;
}

.rank-heat {
  font-size: 13px;
  color: var(--text-weak);
  flex-shrink: 0;
  font-weight: 600;
}

.rank-heat i {
  color: var(--accent);
  margin-right: 4px;
}

/* ===== 热门榜单标签 ===== */
.cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}

.cat-tab {
  padding: 8px 22px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-white);
  color: var(--text-body);
  transition: all 0.25s ease;
}

.cat-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.cat-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* ===== FAQ ===== */
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  background: none;
  border: none;
  transition: color 0.25s;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question i {
  color: var(--primary);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-body);
  margin: 0;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #4338ca 100%);
  border-radius: var(--radius-lg);
  margin: var(--space-section) auto;
  max-width: var(--container);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

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

.cta-wrapper {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-section h2 {
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  margin-bottom: 28px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.cta-section .btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.cta-section .btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  margin-top: var(--space-section);
  padding-top: 64px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background: linear-gradient(135deg, var(--primary), #818cf8);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 380px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.25s ease, padding-left 0.25s ease;
}

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-links a i {
  color: var(--primary);
  font-size: 12px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 面包屑式响应式 ===== */
@media (max-width: 1024px) {
  .intro-grid {
    gap: 36px;
  }
  .game-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 56px;
    --space-section-sm: 40px;
  }

  .hamburger {
    display: inline-flex;
  }

  .main-header .container {
    height: 64px;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 6px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.3s ease;
    z-index: 99;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-link {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 15px;
  }

  .header-actions .btn-sm {
    display: none;
  }

  .top-bar .container {
    flex-direction: column;
    gap: 4px;
  }

  .top-bar-left, .top-bar-right {
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .cat-hero {
    padding: 48px 0;
  }

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

  .cat-hero p {
    font-size: 15px;
  }

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

  .intro-visual img {
    height: 300px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .cta-section {
    margin: 56px 16px;
    padding: 40px 24px;
    border-radius: var(--radius-md);
  }

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

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .section-head h2 {
    font-size: 26px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

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

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

  .intro-points {
    grid-template-columns: 1fr;
  }

  .rank-item {
    flex-wrap: wrap;
    gap: 10px;
  }

  .rank-tag {
    order: 3;
  }

  .rank-heat {
    order: 4;
  }

  .cat-hero-actions .btn {
    width: 100%;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-actions .btn {
    width: 100%;
  }
}

/* 焦点可访问性 */
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(99, 102, 241, 0.4);
  outline-offset: 2px;
}

/* roulang page: article */
:root {
  --primary: #f5b942;
  --primary-dark: #d99a1e;
  --primary-light: #ffe3a3;
  --secondary: #1a2b4a;
  --accent: #ff6b35;
  --dark-bg: #0b1220;
  --dark-card: #141e30;
  --dark-card-2: #1a2538;
  --light-bg: #f5f7fb;
  --white: #ffffff;
  --text-dark: #1b2430;
  --text-body: #3c4a5d;
  --text-muted: #7e8b9d;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, .08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, .12);
  --transition: .25s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--light-bg);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; display: block; height: auto; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 12px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-dark);
}
p { margin: 0 0 16px; }
button, input, select, textarea { font: inherit; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: rgba(245, 185, 66, .12);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 10px;
}
.section-head { margin-bottom: 40px; }
.section-head h2 { font-size: 30px; margin-bottom: 8px; }
.section-head p { color: var(--text-muted); margin: 0; }
.section-head.text-center { text-align: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 60px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #f7c96b);
  color: #1b2430;
  box-shadow: 0 6px 18px rgba(245, 185, 66, .35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(245, 185, 66, .45);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(245, 185, 66, .3); }
.btn-outline {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, .5);
  color: #fff;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-cta { background: var(--primary); color: #1b2430; font-size: 16px; padding: 14px 36px; box-shadow: 0 8px 24px rgba(245, 185, 66, .4); }
.btn-cta:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 14px 32px rgba(245, 185, 66, .5); }
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* Reading progress */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 9999;
  background: transparent;
}
.reading-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width .08s linear;
}

/* ===== Header ===== */
.top-bar {
  background: var(--dark-bg);
  color: rgba(255, 255, 255, .75);
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.top-bar-inner { display: flex; align-items: center; justify-content: space-between; }
.top-bar-text { display: inline-flex; align-items: center; gap: 6px; }
.top-bar-text i { color: var(--primary); }
.top-bar-link {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.top-bar-link:hover { color: #fff; }
.main-nav-wrap {
  background: var(--dark-bg);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, .2);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  white-space: nowrap;
  letter-spacing: .5px;
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #1b2430;
  font-size: 16px;
  box-shadow: 0 4px 14px rgba(245, 185, 66, .35);
}
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  color: rgba(255, 255, 255, .6);
  font-size: 15px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
}
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  padding: 90px 0 180px;
  background-size: cover;
  background-position: center 25%;
  background-repeat: no-repeat;
}
.article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 18, 32, .95) 0%, rgba(11, 18, 32, .8) 60%, rgba(26, 43, 74, .7) 100%);
  z-index: 1;
}
.article-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .55);
  font-size: 14px;
  margin-bottom: 24px;
}
.breadcrumb a { color: rgba(255, 255, 255, .75); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 11px; color: rgba(255, 255, 255, .4); }
.article-hero-info { max-width: 820px; }
.hero-badges { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 185, 66, .18);
  border: 1px solid rgba(245, 185, 66, .4);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 100px;
}
.hot-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 107, 53, .18);
  border: 1px solid rgba(255, 107, 53, .4);
  color: #ff8a62;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 100px;
}
.article-hero h1 {
  font-size: 42px;
  color: #fff;
  margin-bottom: 18px;
  line-height: 1.2;
  text-shadow: 0 4px 24px rgba(0, 0, 0, .3);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: rgba(255, 255, 255, .65);
  font-size: 14px;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--primary); }

/* ===== Article Body ===== */
.article-main {
  padding: 0 0 80px;
  background: var(--light-bg);
  position: relative;
}
.article-wrap { max-width: 900px; margin: 0 auto; }
.article-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 56px 64px;
  margin-top: -120px;
  position: relative;
  z-index: 3;
  border: 1px solid rgba(255, 255, 255, .8);
}
.article-content-body { font-size: 17px; line-height: 1.95; color: var(--text-body); }
.article-content-body > *:first-child { margin-top: 0; }
.article-content-body h2 {
  font-size: 26px;
  color: var(--text-dark);
  margin: 40px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  position: relative;
}
.article-content-body h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--primary);
}
.article-content-body h3 { font-size: 21px; color: var(--text-dark); margin: 32px 0 12px; }
.article-content-body p { margin-bottom: 20px; }
.article-content-body a { color: var(--primary-dark); font-weight: 600; border-bottom: 1px dashed var(--primary); }
.article-content-body a:hover { color: var(--accent); border-color: var(--accent); }
.article-content-body img { border-radius: var(--radius); margin: 28px 0; box-shadow: var(--shadow-md); }
.article-content-body ul, .article-content-body ol { margin: 20px 0; padding-left: 24px; }
.article-content-body ul { list-style: disc; }
.article-content-body ol { list-style: decimal; }
.article-content-body li { margin-bottom: 8px; line-height: 1.8; }
.article-content-body blockquote {
  margin: 28px 0;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(245, 185, 66, .08), rgba(245, 185, 66, .03));
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-body);
  font-style: normal;
  position: relative;
}
.article-content-body blockquote p:last-child { margin-bottom: 0; }
.article-content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}
.article-content-body table th, .article-content-body table td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}
.article-content-body table th { background: var(--dark-bg); color: #fff; font-weight: 600; }
.article-content-body table tr:nth-child(even) { background: #f9fafc; }

.article-divider { height: 1px; background: var(--border); margin: 40px 0 28px; }

.article-tags { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.tag-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  padding-top: 4px;
}
.tag-label i { color: var(--primary-dark); }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-item {
  display: inline-flex;
  align-items: center;
  background: var(--light-bg);
  border: 1px solid var(--border);
  color: var(--text-body);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: 100px;
  transition: all var(--transition);
}
.tag-item:hover { background: var(--primary); border-color: var(--primary); color: #1b2430; cursor: default; }

.article-not-found {
  text-align: center;
  padding: 40px 20px;
}
.not-found-icon {
  width: 84px;
  height: 84px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(245, 185, 66, .15), rgba(255, 107, 53, .1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--primary-dark);
}
.article-not-found h2 { font-size: 28px; margin-bottom: 10px; }
.article-not-found p { color: var(--text-muted); margin-bottom: 28px; }

/* ===== Related ===== */
.related-section { padding: 80px 0; background: var(--white); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.card-cover { display: block; position: relative; overflow: hidden; aspect-ratio: 16/10; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.post-card:hover .card-cover img { transform: scale(1.05); }
.cover-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 18, 32, .75);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: .5px;
}
.hot-badge-mini {
  position: absolute;
  top: 14px;
  right: 14px;
  background: linear-gradient(135deg, var(--accent), #ff8a62);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  box-shadow: 0 4px 12px rgba(255, 107, 53, .35);
}
.card-body { padding: 24px 24px 28px; }
.card-body h3 { font-size: 18px; line-height: 1.4; margin-bottom: 10px; }
.card-body h3 a { color: var(--text-dark); }
.card-body h3 a:hover { color: var(--primary-dark); }
.card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 18px; }
.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.card-meta span { display: inline-flex; align-items: center; gap: 6px; }
.card-meta i { color: var(--primary-dark); }
.section-link { font-size: 14px; font-weight: 600; color: var(--primary-dark); display: inline-flex; align-items: center; gap: 6px; }
.section-link:hover { gap: 10px; color: var(--accent); }

/* ===== Ranking ===== */
.ranking-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-card) 100%);
  color: #fff;
}
.ranking-layout { display: grid; grid-template-columns: 280px 1fr; gap: 60px; align-items: center; }
.ranking-left h2 { color: #fff; font-size: 30px; }
.ranking-left p { color: rgba(255, 255, 255, .55); }
.ranking-list { display: flex; flex-direction: column; gap: 4px; }
.ranking-list li {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .05);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.ranking-list li:hover { background: rgba(255, 255, 255, .07); transform: translateX(6px); }
.rank-num {
  font-size: 24px;
  font-weight: 800;
  color: rgba(255, 255, 255, .2);
  min-width: 34px;
  font-style: italic;
  line-height: 1;
}
.ranking-list li:nth-child(1) .rank-num, .ranking-list li:nth-child(2) .rank-num, .ranking-list li:nth-child(3) .rank-num { color: var(--primary); }
.rank-item-link { flex: 1; color: rgba(255, 255, 255, .85); font-size: 16px; font-weight: 500; }
.rank-item-link:hover { color: var(--primary); }
.rank-hot { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; color: rgba(255, 255, 255, .5); white-space: nowrap; }
.rank-hot i { color: var(--accent); }

/* ===== FAQ ===== */
.faq-section { padding: 80px 0; background: var(--light-bg); }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item.active { border-color: var(--primary); box-shadow: 0 6px 20px rgba(245, 185, 66, .15); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-dark);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
}
.faq-question:hover { background: rgba(245, 185, 66, .05); }
.faq-icon {
  font-size: 14px;
  color: var(--primary-dark);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  padding: 0 24px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
}
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }

/* ===== CTA ===== */
.cta-section { padding: 100px 0; }
.cta-inner {
  background: linear-gradient(135deg, var(--dark-bg), var(--secondary) 60%, #1e3050);
  border-radius: var(--radius-lg);
  padding: 60px 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(245, 185, 66, .25), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-inner::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: 20%;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(255, 107, 53, .15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-content { position: relative; z-index: 1; }
.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 185, 66, .15);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 18px;
  border-radius: 100px;
  margin-bottom: 16px;
  border: 1px solid rgba(245, 185, 66, .25);
}
.cta-content h2 { color: #fff; font-size: 30px; margin-bottom: 10px; }
.cta-content p { color: rgba(255, 255, 255, .65); margin: 0; font-size: 15px; max-width: 480px; }
.cta-inner > .btn { position: relative; z-index: 1; flex-shrink: 0; }

/* ===== Footer ===== */
.site-footer { background: var(--dark-bg); color: rgba(255, 255, 255, .7); padding: 70px 0 0; }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.footer-brand .logo { font-size: 20px; margin-bottom: 16px; }
.footer-desc { font-size: 14px; color: rgba(255, 255, 255, .55); line-height: 1.8; max-width: 360px; margin: 0; }
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}
.footer-links a i { font-size: 11px; color: var(--primary); }
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0 28px;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .ranking-layout { grid-template-columns: 1fr; gap: 40px; }
  .article-hero h1 { font-size: 34px; }
  .article-card { padding: 44px 40px; }
  .cta-inner { flex-direction: column; text-align: center; padding: 50px 40px; }
  .cta-content p { margin: 0 auto; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark-bg);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    border-top: 1px solid rgba(255, 255, 255, .06);
    box-shadow: 0 20px 40px rgba(0, 0, 0, .3);
  }
  .main-nav.open { display: flex; }
  .nav-link { padding: 14px 16px; font-size: 16px; }
  .nav-link.active::after { display: none; }
  .nav-link.active { background: rgba(245, 185, 66, .1); }
  .article-hero { padding: 60px 0 140px; }
  .article-hero h1 { font-size: 30px; }
  .article-card { margin-top: -100px; padding: 36px 28px; border-radius: 16px; }
  .article-content-body { font-size: 16px; }
  .article-meta { gap: 12px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .ranking-list li { padding: 14px; }
  .rank-num { font-size: 20px; }
  .cta-inner { padding: 40px 24px; }
  .cta-content h2 { font-size: 24px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .top-bar-inner { flex-wrap: wrap; justify-content: center; gap: 4px; }
  .logo { font-size: 18px; }
  .logo-icon { width: 32px; height: 32px; font-size: 14px; }
  .nav-actions .btn-primary { display: none; }
  .article-hero h1 { font-size: 26px; }
  .hero-badges { gap: 8px; }
  .article-card { padding: 28px 20px; }
  .article-content-body h2 { font-size: 21px; }
  .article-content-body h3 { font-size: 18px; }
  .article-tags { flex-direction: column; }
  .section-head h2 { font-size: 24px; }
  .ranking-layout { grid-template-columns: 1fr; }
  .ranking-left h2 { font-size: 24px; }
  .rank-hot { display: none; }
  .faq-question { font-size: 15px; padding: 16px 18px; }
  .faq-item.active .faq-answer { padding: 0 18px 16px; }
  .cta-inner { padding: 32px 20px; }
  .cta-content h2 { font-size: 22px; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
}

/* roulang page: category3 */
:root{
  --primary:#f59e0b;
  --primary-600:#d97706;
  --primary-50:#fffbeb;
  --secondary:#7c3aed;
  --secondary-50:#f5f3ff;
  --dark:#0f172a;
  --dark-2:#1e293b;
  --dark-3:#334155;
  --light:#f8fafc;
  --white:#fff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e2e8f0;
  --radius:18px;
  --radius-sm:10px;
  --radius-lg:26px;
  --shadow:0 6px 24px rgba(2,6,23,.07);
  --shadow-lg:0 16px 40px rgba(2,6,23,.10);
  --container:1200px;
  --space:96px;
  --space-sm:64px;
  --transition:.28s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  background:var(--light);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space) 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 52px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-50);color:var(--primary-600);
  border:1px solid rgba(245,158,11,.18);
  padding:7px 18px;border-radius:40px;
  font-size:14px;font-weight:600;letter-spacing:.5px;
  margin-bottom:18px;
}
.section-tag i{font-size:13px}
.section-title{font-size:34px;line-height:1.3;font-weight:800;letter-spacing:-.5px;color:var(--dark)}
.section-desc{color:var(--muted);font-size:16px;margin-top:14px}

/* ===== Header ===== */
.site-header{
  position:relative;z-index:100;
  background:linear-gradient(180deg,#0b1220 0%,var(--dark) 100%);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.top-info{
  background:rgba(255,255,255,.04);
  border-bottom:1px solid rgba(255,255,255,.06);
  font-size:13px;color:rgba(255,255,255,.72);
}
.top-info-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:38px;
}
.top-info-inner .info-left{display:flex;align-items:center;gap:8px}
.top-info-inner .info-left i{color:var(--primary)}
.top-info-inner .info-right{
  display:flex;align-items:center;gap:10px;
  color:rgba(255,255,255,.85);font-weight:600;letter-spacing:.3px;
}
.header-main{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:30px;
}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:#fff;white-space:nowrap;letter-spacing:.5px}
.logo-icon{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(135deg,#f59e0b,#f97316);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;
  box-shadow:0 6px 18px rgba(245,158,11,.35);
}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  padding:9px 20px;border-radius:40px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.78);
  transition:var(--transition);position:relative;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.active{
  color:var(--primary);
  background:rgba(245,158,11,.12);
}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:18px;height:2px;border-radius:2px;
  background:var(--primary);
}
.header-cta{
  padding:10px 24px;border-radius:40px;
  background:linear-gradient(135deg,#f59e0b,#f97316);
  color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 8px 20px rgba(245,158,11,.3);
  transition:var(--transition);white-space:nowrap;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,158,11,.4)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.08);
  align-items:center;justify-content:center;
  color:#fff;font-size:18px;
}

/* ===== Hero ===== */
.hero{
  position:relative;color:#fff;
  padding:130px 0 120px;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(2,6,23,.88) 0%,rgba(15,23,42,.72) 55%,rgba(124,58,237,.32) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 70%,rgba(248,250,252,.08) 100%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.18);
  padding:8px 20px;border-radius:40px;
  font-size:14px;font-weight:600;letter-spacing:1px;
  color:var(--primary);
}
.hero-badge i{color:var(--primary)}
.hero h1{
  font-size:52px;line-height:1.2;font-weight:900;letter-spacing:-1px;
  margin:24px 0 20px;max-width:720px;
}
.hero h1 span{
  background:linear-gradient(90deg,var(--primary),#fb923c);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-desc{
  font-size:18px;color:rgba(255,255,255,.82);
  max-width:640px;line-height:1.85;margin-bottom:36px;
}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 32px;border-radius:40px;
  font-size:15px;font-weight:700;transition:var(--transition);
}
.btn-primary{
  background:linear-gradient(135deg,#f59e0b,#f97316);
  color:#fff;box-shadow:0 10px 26px rgba(245,158,11,.35);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(245,158,11,.45)}
.btn-outline{
  background:transparent;color:#fff;
  border:1.5px solid rgba(255,255,255,.4);
  backdrop-filter:blur(4px);
}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-3px)}
.hero-stats{
  display:flex;align-items:center;gap:48px;margin-top:56px;
  flex-wrap:wrap;
}
.hero-stat{display:flex;flex-direction:column}
.hero-stat b{font-size:30px;font-weight:800;color:#fff;line-height:1.2}
.hero-stat b em{font-style:normal;color:var(--primary)}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.6);margin-top:4px}

/* ===== 活动类型 ===== */
.types-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:22px;
}
.type-card{
  background:var(--white);border-radius:var(--radius);
  padding:32px 24px 26px;text-align:center;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  transition:var(--transition);
}
.type-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(245,158,11,.3)}
.type-icon{
  width:62px;height:62px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;font-size:24px;
}
.type-icon.i1{background:#fffbeb;color:#f59e0b}
.type-icon.i2{background:#f0fdf4;color:#22c55e}
.type-icon.i3{background:#f5f3ff;color:#7c3aed}
.type-icon.i4{background:#fff1f2;color:#f43f5e}
.type-icon.i5{background:#eff6ff;color:#3b82f6}
.type-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.type-card p{font-size:13px;color:var(--muted);line-height:1.65}

/* ===== 热门活动卡片 ===== */
.activity-section{background:#fff;border-top:1px solid var(--border)}
.activities-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.activity-card{
  background:var(--white);border-radius:var(--radius-lg);
  overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);transition:var(--transition);
  display:flex;flex-direction:column;
}
.activity-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.activity-cover{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:#eef1f5;
}
.activity-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.activity-card:hover .activity-cover img{transform:scale(1.06)}
.activity-tags{
  position:absolute;top:14px;left:14px;display:flex;gap:8px;flex-wrap:wrap;
}
.tag{
  display:inline-flex;align-items:center;gap:4px;
  background:rgba(15,23,42,.78);backdrop-filter:blur(6px);
  color:#fff;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:20px;
}
.tag.hot{background:linear-gradient(135deg,#f43f5e,#fb7185)}
.tag.limited{background:linear-gradient(135deg,#f59e0b,#f97316)}
.activity-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.activity-body h3{font-size:19px;font-weight:800;margin-bottom:10px;line-height:1.45}
.activity-body p{font-size:14px;color:var(--muted);line-height:1.7;flex:1}
.activity-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:16px;
  border-top:1px solid var(--border);
}
.activity-meta .date{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.activity-meta .more{
  font-size:14px;font-weight:600;color:var(--primary-600);
  display:inline-flex;align-items:center;gap:5px;
  transition:var(--transition);
}
.activity-meta .more:hover{gap:9px}

/* ===== 日历 ===== */
.calendar-section{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.calendar-section::before{
  content:"";position:absolute;top:-120px;right:-80px;width:360px;height:360px;
  border-radius:50%;background:rgba(245,158,11,.1);filter:blur(80px);
}
.calendar-section .section-title{color:#fff}
.calendar-section .section-desc{color:rgba(255,255,255,.6)}
.calendar-section .section-tag{background:rgba(245,158,11,.12);color:#fbbf24;border-color:rgba(245,158,11,.25)}
.calendar-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
  position:relative;z-index:2;
}
.calendar-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius);padding:28px 22px;
  transition:var(--transition);position:relative;overflow:hidden;
}
.calendar-item:hover{background:rgba(255,255,255,.1);transform:translateY(-5px)}
.calendar-day{
  font-size:13px;font-weight:600;color:var(--primary);letter-spacing:1px;
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.calendar-day i{opacity:.8}
.calendar-item h4{font-size:18px;font-weight:700;margin-bottom:8px}
.calendar-item p{font-size:13px;color:rgba(255,255,255,.58);line-height:1.65}
.calendar-bar{
  position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--primary),#fb923c);
  opacity:.85;
}

/* ===== 热度榜 ===== */
.rank-section{background:linear-gradient(180deg,#fff 0%,var(--light) 100%)}
.rank-layout{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
}
.rank-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);aspect-ratio:4/3;
}
.rank-visual img{width:100%;height:100%;object-fit:cover}
.rank-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(2,6,23,.55),transparent 60%);
}
.rank-list{display:flex;flex-direction:column;gap:16px}
.rank-item{
  display:flex;align-items:center;gap:18px;
  background:var(--white);border:1px solid var(--border);
  border-radius:16px;padding:18px 22px;
  box-shadow:var(--shadow);transition:var(--transition);
}
.rank-item:hover{transform:translateX(6px);box-shadow:var(--shadow-lg);border-color:rgba(245,158,11,.3)}
.rank-num{
  width:44px;height:44px;border-radius:13px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#94a3b8,#64748b);
}
.rank-item:nth-child(1) .rank-num{background:linear-gradient(135deg,#f59e0b,#f97316)}
.rank-item:nth-child(2) .rank-num{background:linear-gradient(135deg,#a78bfa,#7c3aed)}
.rank-item:nth-child(3) .rank-num{background:linear-gradient(135deg,#fb7185,#f43f5e)}
.rank-item:nth-child(4) .rank-num{background:linear-gradient(135deg,#38bdf8,#0ea5e9)}
.rank-item:nth-child(5) .rank-num{background:linear-gradient(135deg,#34d399,#10b981)}
.rank-info{flex:1;min-width:0}
.rank-info h4{font-size:16px;font-weight:700;margin-bottom:4px}
.rank-info p{font-size:13px;color:var(--muted)}
.rank-heat{
  display:flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--primary-600);
  white-space:nowrap;
}
.rank-heat i{color:var(--primary)}

/* ===== 流程 ===== */
.steps-section{background:#fff}
.steps-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.steps-grid::before{
  content:"";position:absolute;top:44px;left:10%;right:10%;
  height:2px;background:linear-gradient(90deg,var(--primary-50),var(--primary),var(--secondary),var(--secondary-50));
  border-radius:2px;
}
.step-item{text-align:center;padding:0 18px;position:relative}
.step-dot{
  width:88px;height:88px;border-radius:28px;
  background:var(--white);border:2px solid var(--primary);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 22px;font-size:28px;color:var(--primary-600);
  box-shadow:0 10px 28px rgba(245,158,11,.18);
  position:relative;z-index:2;
}
.step-item:nth-child(2) .step-dot{border-color:var(--secondary);color:var(--secondary)}
.step-item:nth-child(3) .step-dot{border-color:#f43f5e;color:#f43f5e}
.step-item:nth-child(4) .step-dot{border-color:#0ea5e9;color:#0ea5e9}
.step-item:nth-child(5) .step-dot{border-color:#10b981;color:#10b981}
.step-no{
  position:absolute;top:-6px;right:50%;transform:translateX(-50%) translateX(44px);
  width:26px;height:26px;border-radius:50%;
  background:var(--dark);color:#fff;
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  z-index:3;border:2px solid #fff;
}
.step-item h3{font-size:16px;font-weight:700;margin-bottom:8px}
.step-item p{font-size:13px;color:var(--muted);line-height:1.6}

/* ===== FAQ ===== */
.faq-section{background:var(--light)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--white);border:1px solid var(--border);
  border-radius:16px;margin-bottom:14px;
  box-shadow:var(--shadow);overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{border-color:rgba(245,158,11,.3)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 28px;font-size:16px;font-weight:700;
  transition:var(--transition);color:var(--dark);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
  width:32px;height:32px;border-radius:50%;
  background:var(--primary-50);color:var(--primary-600);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:var(--transition);flex-shrink:0;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-item[open] summary{border-bottom:1px solid var(--border)}
.faq-answer{padding:4px 28px 24px;color:var(--muted);font-size:14px;line-height:1.8}
.faq-answer a{color:var(--primary-600);font-weight:600}

/* ===== CTA ===== */
.cta-section{
  position:relative;padding:100px 0;text-align:center;color:#fff;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(15,23,42,.92),rgba(124,58,237,.78));
}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{font-size:38px;font-weight:900;letter-spacing:-1px;margin-bottom:16px}
.cta-section p{font-size:16px;color:rgba(255,255,255,.82);max-width:600px;margin:0 auto 36px;line-height:1.8}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:74px 0 0;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-desc{line-height:1.8;margin-top:16px;color:rgba(255,255,255,.58);max-width:420px}
.footer-col h4{color:#fff;font-size:17px;font-weight:700;margin-bottom:20px;padding-bottom:12px;position:relative}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:3px;border-radius:3px;background:var(--primary)}
.footer-links li{margin-bottom:12px}
.footer-links a{
  display:inline-flex;align-items:center;gap:8px;
  color:rgba(255,255,255,.62);transition:var(--transition);
}
.footer-links a i{color:var(--primary);font-size:12px}
.footer-links a:hover{color:#fff;padding-left:5px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:24px 0;flex-wrap:wrap;
  color:rgba(255,255,255,.4);font-size:13px;
}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .types-grid{grid-template-columns:repeat(3,1fr)}
  .activities-grid{grid-template-columns:repeat(2,1fr)}
  .calendar-grid{grid-template-columns:repeat(3,1fr)}
  .steps-grid{grid-template-columns:repeat(3,1fr);gap:30px 0}
  .steps-grid::before{display:none}
  .rank-layout{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:42px}
}
@media(max-width:768px){
  :root{--space:64px;--space-sm:44px}
  .section-title{font-size:28px}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;right:-320px;width:300px;height:100vh;
    background:var(--dark);flex-direction:column;align-items:flex-start;
    padding:100px 32px 32px;gap:6px;
    transition:right .38s ease;z-index:200;
    box-shadow:-20px 0 50px rgba(2,6,23,.4);
  }
  .main-nav.open{right:0}
  .nav-link{width:100%;font-size:17px;padding:13px 16px}
  .header-cta{display:none}
  .top-info-inner .info-left{display:none}
  .top-info-inner{justify-content:center;min-height:34px}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .hero{padding:90px 0 80px}
  .hero h1{font-size:32px}
  .hero-desc{font-size:16px}
  .hero-stats{gap:24px}
  .activities-grid{grid-template-columns:1fr;gap:20px}
  .types-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .calendar-grid{grid-template-columns:1fr;gap:14px}
  .steps-grid{grid-template-columns:1fr;gap:26px 0}
  .rank-list{gap:12px}
  .blog-list{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .hero h1{font-size:27px}
  .hero-desc{font-size:15px}
  .hero-actions .btn{width:100%}
  .types-grid{grid-template-columns:1fr}
  .cta-section h2{font-size:27px}
  .section-title{font-size:24px}
}