/* roulang page: index */
/* ============ 设计变量 ============ */
:root {
  --primary: #0f766e;
  --primary-dark: #0b5d56;
  --primary-light: #d5f5f0;
  --primary-soft: #e6faf7;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg: #f4f7fb;
  --bg-deep: #0f172a;
  --card: #ffffff;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #dfe7ef;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 6px 28px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.14);
  --font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition: all 0.25s ease;
}

/* ============ 基础 Reset ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
ul, ol { padding: 0; margin: 0; list-style: none; }

/* ============ 容器 ============ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  transition: var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(15, 118, 110, 0.3); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15, 118, 110, 0.4); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.7); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.15); color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary-dark); box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.btn-light:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(245,158,11,0.3); }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }

/* ============ 标签 & 徽章 ============ */
.badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: var(--primary-light);
  color: var(--primary-dark);
  letter-spacing: 0.3px;
}
.tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid rgba(15,118,110,0.12);
}
.tag-hot { background: #fff3e0; color: var(--accent-dark); border-color: rgba(245,158,11,0.2); }

/* ============ Header / 导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(15,23,42,0.04);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, #14b8a6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(15,118,110,0.35);
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.3px;
  line-height: 1.2;
}
.logo-text span { color: var(--primary); }
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  position: relative;
  width: 240px;
}
.search-box input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 42px 0 18px;
  font-size: 14px;
  background: #f8fafc;
  transition: var(--transition);
  font-family: inherit;
}
.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,118,110,0.12);
  background: #fff;
}
.search-box i {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-weak);
  font-size: 14px;
  pointer-events: none;
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  color: var(--text);
  padding: 4px;
  margin-left: 8px;
}
.header-bottom {
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.5);
}
.nav-list {
  display: flex;
  align-items: center;
  height: 50px;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-list::-webkit-scrollbar { display: none; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-weak);
  border-radius: 999px;
  white-space: nowrap;
  transition: var(--transition);
}
.nav-link i { font-size: 13px; opacity: 0.8; }
.nav-link:hover { color: var(--primary); background: var(--primary-soft); }
.nav-link.active {
  color: var(--primary-dark);
  background: var(--primary-light);
  font-weight: 700;
}
.nav-link:focus-visible { outline: 3px solid rgba(15,118,110,0.2); outline-offset: 2px; }

/* ============ Hero ============ */
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color: #fff;
  min-height: 560px;
  display: flex;
  align-items: center;
  isolation: isolate;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8,30,39,0.92) 0%, rgba(10,37,48,0.72) 45%, rgba(15,118,110,0.45) 100%);
  z-index: -1;
}
.hero-content {
  max-width: 720px;
  padding: 80px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(6px);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.18);
}
.hero-badge i { color: var(--accent); }
.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 20px;
  letter-spacing: -1px;
}
.hero-title span {
  color: #5eead4;
}
.hero-subtitle {
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.7;
  color: rgba(255,255,255,0.9);
  margin-bottom: 36px;
  max-width: 600px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 48px; }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 32px;
}
.stat-item { display: flex; flex-direction: column; }
.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.stat-number i { font-size: 24px; color: #5eead4; margin-right: 6px; }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.7); margin-top: 4px; }

/* ============ 板块通用 ============ */
.section { padding: 88px 0; }
.section-alt { background: #fff; }
.section-head {
  max-width: 680px;
  margin-bottom: 44px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.section-eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-head.center .section-eyebrow::after {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-weak);
  line-height: 1.7;
  margin: 0;
}

/* ============ 关于 / 核心说明 ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img img { width: 100%; height: 420px; object-fit: cover; }
.about-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15,118,110,0.15) 0%, transparent 50%);
}
.about-content h3 { font-size: 22px; font-weight: 700; margin-bottom: 18px; }
.about-content p { color: var(--text-weak); margin-bottom: 16px; line-height: 1.85; }
.about-points { margin-top: 24px; display: flex; flex-direction: column; gap: 14px; }
.about-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.about-point i {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 3px;
}
.about-point strong { display: block; font-size: 15px; }
.about-point span { font-size: 14px; color: var(--text-weak); }

/* ============ 分类入口 ============ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15,118,110,0.25);
}
.category-cover {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.category-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.category-card:hover .category-cover img { transform: scale(1.06); }
.category-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15,23,42,0.25) 0%, transparent 60%);
}
.category-icon {
  position: absolute;
  left: 20px;
  bottom: -24px;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 6px 18px rgba(15,118,110,0.4);
  border: 3px solid #fff;
  z-index: 2;
}
.category-info { padding: 40px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.category-info h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.category-info p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin-bottom: 20px; flex: 1; }
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
}
.category-link i { transition: transform 0.25s; font-size: 12px; }
.category-link:hover i { transform: translateX(4px); }

/* ============ 数据 / 流程 ============ */
.process-section {
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  color: #fff;
  isolation: isolate;
}
.process-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(8,25,35,0.92);
  z-index: -1;
}
.process-section .section-title { color: #fff; }
.process-section .section-subtitle { color: rgba(255,255,255,0.75); }
.process-section .section-eyebrow { color: #5eead4; }
.process-section .section-eyebrow::before { background: var(--accent); }
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 40px;
  counter-reset: process;
}
.process-item {
  position: relative;
  padding: 28px 22px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.process-item:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-6px);
  border-color: rgba(94,234,212,0.4);
}
.process-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(94,234,212,0.15);
  color: #5eead4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}
.process-item h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; color: #fff; }
.process-item p { font-size: 14px; color: rgba(255,255,255,0.7); margin: 0; line-height: 1.7; }

/* ============ 资讯列表 ============ */
.news-lyt {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.news-list-section { background: var(--bg); }
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.news-item:first-child { padding-top: 0; }
.news-item:last-child { border-bottom: none; }
.news-item:hover { padding-left: 10px; }
.news-info { flex: 1; min-width: 0; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.news-title {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
  line-height: 1.5;
  color: var(--text);
  transition: var(--transition);
}
.news-title a { color: inherit; }
.news-title a:hover { color: var(--primary); }
.news-desc {
  font-size: 14px;
  color: var(--text-weak);
  margin: 0;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-time { font-size: 13px; color: var(--text-weak); display: flex; align-items: center; gap: 5px; }
.news-time i { font-size: 12px; }
.news-category { font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); }
.empty-tip { text-align: center; padding: 48px 0; color: var(--text-weak); font-size: 15px; }
.sidebar-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.sidebar-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-card h3 i { color: var(--primary); font-size: 15px; }
.sidebar-rank { display: flex; flex-direction: column; gap: 14px; }
.rank-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-radius: 10px;
  transition: var(--transition);
}
.rank-item:hover { background: var(--primary-soft); padding-left: 8px; }
.rank-num {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #f1f5f9;
  color: var(--text-weak);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.rank-item:nth-child(1) .rank-num { background: #fff3e0; color: var(--accent-dark); }
.rank-item:nth-child(2) .rank-num { background: #e0f2fe; color: #0369a1; }
.rank-item:nth-child(3) .rank-num { background: #fce7f3; color: #be185d; }
.rank-name { font-size: 14px; font-weight: 600; flex: 1; }
.rank-popularity { font-size: 13px; color: var(--text-weak); display: flex; align-items: center; gap: 4px; }
.rank-popularity i { color: var(--accent); }

/* ============ 内容卡片 ============ */
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.content-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.content-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.card-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.content-card:hover .card-cover img { transform: scale(1.05); }
.card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15,23,42,0.2) 0%, transparent 60%);
}
.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
}
.card-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.card-title { font-size: 18px; font-weight: 700; margin: 0 0 10px; line-height: 1.45; }
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--primary); }
.card-text { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin: 0 0 18px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-weak);
}
.card-meta i { font-size: 12px; margin-right: 4px; }

/* ============ FAQ ============ */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  padding: 0;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(15,118,110,0.2); box-shadow: var(--shadow); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  color: var(--text);
}
.faq-q i {
  color: var(--primary);
  transition: transform 0.3s;
  font-size: 14px;
  flex-shrink: 0;
}
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a {
  display: none;
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  margin: 0;
  padding-top: 16px;
}
.faq-item.open .faq-a { display: block; }

/* ============ CTA ============ */
.cta-section {
  position: relative;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  isolation: isolate;
  color: #fff;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8,25,35,0.95) 0%, rgba(15,118,110,0.85) 100%);
  z-index: -1;
}
.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 64px 0;
  flex-wrap: wrap;
}
.cta-content h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  margin: 0 0 12px;
  line-height: 1.2;
}
.cta-content p { font-size: 16px; color: rgba(255,255,255,0.85); margin: 0; max-width: 520px; }
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============ 页脚 ============ */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-text span { color: #5eead4; }
.footer-desc { margin: 16px 0 24px; font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
.footer-col h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-col a:hover { color: #5eead4; transform: translateX(4px); }
.footer-col a i { font-size: 11px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ 响应式 ============ */
@media screen and (max-width: 1024px) {
  .container { padding: 0 24px; }
  .news-lyt { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img img { height: 340px; }
}

@media screen and (max-width: 768px) {
  .header-top { height: 64px; }
  .logo-text { font-size: 19px; }
  .search-box { display: none; }
  .menu-toggle { display: block; }
  .header-bottom {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 32px rgba(0,0,0,0.1);
  }
  .site-header.nav-open .header-bottom { display: block; }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    height: auto;
    padding: 12px;
    gap: 4px;
  }
  .nav-link { padding: 14px 16px; border-radius: 12px; }
  .hero { min-height: 500px; }
  .hero-content { padding: 56px 0; }
  .hero-stats { gap: 24px; }
  .category-grid { grid-template-columns: 1fr; gap: 20px; }
  .content-grid { grid-template-columns: 1fr; gap: 20px; }
  .process-list { grid-template-columns: 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 64px 0; }
  .cta-box { padding: 48px 0; flex-direction: column; align-items: flex-start; }
  .about-grid { gap: 28px; }
}

@media screen and (max-width: 520px) {
  .container { padding: 0 18px; }
  .hero-title { font-size: 32px; }
  .hero-cta .btn { width: 100%; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .about-img img { height: 240px; }
  .section-title { font-size: 26px; }
  .category-cover { height: 180px; }
  .card-cover { height: 160px; }
  .news-item { flex-direction: column; gap: 10px; }
  .news-item:hover { padding-left: 4px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: article */
:root {
    --primary: #0e7490;
    --primary-dark: #155e75;
    --primary-light: #ecfeff;
    --secondary: #14b8a6;
    --accent: #f59e0b;
    --bg: #f1f5f9;
    --bg-white: #ffffff;
    --text: #0f172a;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    --shadow-hover: 0 12px 32px rgba(15, 23, 42, 0.10);
    --transition: all 0.28s ease;
    --container-max: 1280px;
    --header-height: 72px;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}
a:hover {
    color: var(--primary);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}
input, textarea, select {
    font-family: inherit;
    font-size: 1rem;
}
ul, ol {
    list-style: none;
}
.grid-container {
    max-width: var(--container-max);
    padding: 0 24px;
}
/* ---------- Header / Nav ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-white);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
}
.header-top {
    background: #0b3340;
    color: #cbd5e1;
    font-size: 13px;
    padding: 6px 0;
}
.header-top .grid-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px 16px;
}
.header-top i {
    color: var(--secondary);
    margin-right: 4px;
}
.header-top .trend a {
    color: #e2e8f0;
    margin-left: 8px;
    transition: var(--transition);
}
.header-top .trend a:hover {
    color: var(--secondary);
}
.header-main {
    border-bottom: 1px solid var(--border);
}
.header-flex {
    display: flex;
    align-items: center;
    gap: 24px;
    min-height: var(--header-height);
    position: relative;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.logo-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: #fff;
    box-shadow: 0 4px 12px rgba(14, 116, 144, 0.28);
}
.logo-text {
    font-size: 22px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text);
}
.logo-text span {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-light);
    letter-spacing: 1px;
}
.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
}
.nav-link i {
    font-size: 14px;
    color: var(--text-muted);
    transition: var(--transition);
}
.nav-link:hover {
    background: var(--primary-light);
    color: var(--primary);
}
.nav-link:hover i {
    color: var(--primary);
}
.nav-link.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(14, 116, 144, 0.28);
}
.nav-link.active i {
    color: #fff;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.search-form {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 6px 4px 16px;
    transition: var(--transition);
}
.search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.12);
}
.search-form input {
    border: none;
    outline: none;
    background: transparent;
    width: 150px;
    font-size: 14px;
    color: var(--text);
}
.search-form button {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.search-form button:hover {
    background: var(--primary-dark);
}
.mobile-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 18px;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
}
/* ---------- Breadcrumb ---------- */
.breadcrumb-wrap {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}
.breadcrumb {
    font-size: 14px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.breadcrumb a {
    color: var(--text-light);
}
.breadcrumb a:hover {
    color: var(--primary);
}
.breadcrumb i {
    font-size: 12px;
    color: var(--text-muted);
}
/* ---------- Article Section ---------- */
.article-section {
    padding: 40px 0 20px;
}
.article-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 40px;
}
.article-main {
    min-width: 0;
}
.article-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
}
.article-head {
    padding: 36px 40px 24px;
    border-bottom: 1px solid var(--border);
}
.article-cat {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(14, 116, 144, 0.2);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
    margin-bottom: 14px;
}
.article-head h1 {
    font-size: 32px;
    line-height: 1.35;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 14px;
    color: var(--text-light);
}
.article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}
.article-meta i {
    color: var(--primary);
    font-size: 13px;
}
.article-body {
    padding: 32px 40px 40px;
    font-size: 16px;
    line-height: 1.9;
    color: #334155;
}
.article-body p {
    margin-bottom: 1.4em;
}
.article-body h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin: 1.8em 0 0.8em;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
}
.article-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin: 1.6em 0 0.6em;
}
.article-body img {
    border-radius: var(--radius);
    margin: 20px 0;
    box-shadow: var(--shadow);
}
.article-body ul, .article-body ol {
    padding-left: 1.6em;
    margin-bottom: 1.4em;
}
.article-body ul {
    list-style: disc;
}
.article-body ol {
    list-style: decimal;
}
.article-body li {
    margin-bottom: 0.4em;
}
.article-body blockquote {
    border-left: 4px solid var(--secondary);
    background: var(--primary-light);
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 1.6em 0;
    color: #155e75;
}
.article-body a {
    color: var(--primary);
    border-bottom: 1px solid rgba(14, 116, 144, 0.3);
}
.article-body a:hover {
    border-bottom-color: var(--primary);
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6em 0;
    font-size: 14px;
}
.article-body table th {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 700;
    padding: 12px;
    text-align: left;
    border: 1px solid var(--border);
}
.article-body table td {
    padding: 12px;
    border: 1px solid var(--border);
}
.article-share {
    padding: 20px 40px 28px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-item {
    display: inline-block;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-light);
    font-size: 13px;
    padding: 4px 12px;
    border-radius: 999px;
    transition: var(--transition);
}
.tag-item:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}
.share-btns {
    display: flex;
    gap: 8px;
}
.share-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: var(--transition);
    border: 1px solid var(--border);
    background: var(--bg-white);
    color: var(--text-light);
}
.share-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
}
/* ---------- Sidebar ---------- */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.sidebar-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 24px;
}
.sidebar-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--bg);
    position: relative;
}
.sidebar-card h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 32px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sidebar-list li {
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.sidebar-list li:hover {
    background: var(--bg);
}
.sidebar-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
}
.list-thumb {
    width: 56px;
    height: 48px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg);
}
.list-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.list-info {
    flex: 1;
    min-width: 0;
}
.list-title {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.list-date {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}
.sidebar-cats {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.cat-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-white);
    transition: var(--transition);
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}
.cat-link i {
    color: var(--primary);
}
.cat-link:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    transform: translateX(4px);
}
.cat-link .badge-num {
    margin-left: auto;
    background: var(--bg);
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 999px;
    color: var(--text-light);
}
/* ---------- Related Section ---------- */
.related-section {
    padding: 50px 0;
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}
.section-head h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    position: relative;
    padding-left: 16px;
}
.section-head h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 5px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}
.section-head p {
    color: var(--text-light);
    font-size: 14px;
}
.rel-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.rel-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.rel-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
    border-color: rgba(14, 116, 144, 0.25);
}
.rel-img {
    height: 150px;
    overflow: hidden;
    position: relative;
    background: var(--bg);
}
.rel-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}
.rel-card:hover .rel-img img {
    transform: scale(1.05);
}
.rel-img .rel-cat {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    backdrop-filter: blur(6px);
}
.rel-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.rel-body h3 {
    font-size: 15px;
    line-height: 1.5;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition);
}
.rel-card:hover .rel-body h3 {
    color: var(--primary);
}
.rel-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}
.rel-meta i {
    margin-right: 4px;
    font-size: 12px;
}
/* ---------- CTA ---------- */
.cta-section {
    padding: 60px 0;
    background: linear-gradient(rgba(11, 51, 64, 0.88), rgba(11, 51, 64, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    text-align: center;
    color: #fff;
}
.cta-inner {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 20px;
}
.cta-inner h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 14px;
}
.cta-inner p {
    color: #cbd5e1;
    font-size: 16px;
    margin-bottom: 24px;
    line-height: 1.7;
}
.cta-btns {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #fff;
    padding: 12px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    border: none;
    box-shadow: 0 4px 16px rgba(14, 116, 144, 0.35);
}
.btn-primary:hover {
    background: #0b6177;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 116, 144, 0.4);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    padding: 12px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}
.btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}
/* ---------- Not Found ---------- */
.not-found {
    text-align: center;
    padding: 80px 24px;
}
.not-found .icon {
    font-size: 64px;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.not-found h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
}
.not-found p {
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 24px;
}
.not-found .btn-primary {
    display: inline-flex;
}
/* ---------- Footer ---------- */
.site-footer {
    background: #0b1e2b;
    color: #94a3b8;
    padding: 56px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 36px;
}
.footer-brand .logo {
    margin-bottom: 16px;
}
.footer-brand .logo-text {
    color: #f8fafc;
}
.footer-brand .logo-text span {
    color: var(--text-muted);
}
.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #94a3b8;
    margin-bottom: 20px;
    max-width: 360px;
}
.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: #94a3b8;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
}
.footer-col h3 {
    color: #e2e8f0;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul a {
    color: #94a3b8;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.footer-col ul a i {
    font-size: 10px;
    color: var(--primary);
}
.footer-col ul a:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: #64748b;
}
/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .article-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .rel-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .header-flex {
        flex-wrap: wrap;
        gap: 12px;
        min-height: auto;
        padding: 12px 0;
    }
    .nav-list {
        display: none;
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
        background: var(--bg-white);
        border-radius: var(--radius);
        box-shadow: var(--shadow-hover);
        border: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        z-index: 999;
        margin-left: 0;
    }
    .nav-list.open {
        display: flex;
    }
    .mobile-toggle {
        display: flex;
    }
    .header-top .grid-container {
        justify-content: center;
        text-align: center;
    }
    .header-top .trend {
        display: none;
    }
    .article-head {
        padding: 24px 20px 20px;
    }
    .article-head h1 {
        font-size: 24px;
    }
    .article-body {
        padding: 20px;
    }
    .article-share {
        padding: 16px 20px 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .cta-inner h2 {
        font-size: 24px;
    }
}
@media (max-width: 520px) {
    .grid-container {
        padding: 0 16px;
    }
    .header-main .grid-container {
        gap: 8px;
    }
    .search-form input {
        width: 90px;
    }
    .nav-link {
        font-size: 14px;
        padding: 10px 12px;
    }
    .rel-grid {
        grid-template-columns: 1fr;
    }
    .article-head h1 {
        font-size: 22px;
    }
    .article-meta {
        gap: 10px;
        font-size: 13px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .breadcrumb-wrap {
        font-size: 13px;
    }
    .article-body {
        font-size: 15px;
        line-height: 1.85;
    }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0d9488;
            --primary-dark: #0f766e;
            --primary-light: #ccfbf1;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f5f7f9;
            --bg-deep: #0b2530;
            --bg-card: #ffffff;
            --text: #1e2a32;
            --text-weak: #5b6b76;
            --text-muted: #8b9ca8;
            --border: #e1e8ed;
            --border-light: #eef2f5;
            --radius: 12px;
            --radius-lg: 18px;
            --shadow-sm: 0 2px 8px rgba(16, 60, 80, .06);
            --shadow-md: 0 6px 20px rgba(16, 60, 80, .10);
            --shadow-lg: 0 14px 40px rgba(16, 60, 80, .14);
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
            --container: 1200px;
            --space: 80px;
        }

        /* ===== 基础 Reset & Base ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        ul, ol {
            list-style: none;
        }
        table {
            border-collapse: collapse;
            width: 100%;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(13, 148, 136, .35);
            outline-offset: 2px;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--space) 0;
        }
        .section-tight {
            padding: 56px 0;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 12px 0;
            flex-wrap: wrap;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #0d9488, #059669);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            border-radius: 10px;
            letter-spacing: .5px;
            box-shadow: var(--shadow-sm);
        }
        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            letter-spacing: .5px;
        }
        .logo-text span {
            color: var(--primary);
            font-weight: 600;
            font-size: 16px;
            margin-left: 2px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 4px 6px 4px 16px;
            width: 300px;
            transition: box-shadow .2s, border-color .2s;
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 148, 136, .15);
            background: #fff;
        }
        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            flex: 1;
            font-size: 14px;
            color: var(--text);
            padding: 6px 0;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search button {
            width: 34px;
            height: 34px;
            border: none;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: background .2s, transform .2s;
            flex-shrink: 0;
        }
        .header-search button:hover {
            background: var(--primary-dark);
            transform: scale(1.05);
        }
        .header-trends {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            margin-left: auto;
        }
        .trend-label {
            color: var(--text-muted);
            white-space: nowrap;
        }
        .header-trends a {
            background: var(--bg);
            border: 1px solid var(--border-light);
            padding: 2px 12px;
            border-radius: 20px;
            color: var(--text-weak);
            font-size: 13px;
            white-space: nowrap;
            transition: all .2s;
        }
        .header-trends a:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }
        .header-nav {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, .08);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 6px 0;
            flex-wrap: nowrap;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            font-weight: 500;
            padding: 9px 18px;
            border-radius: 8px;
            white-space: nowrap;
            transition: background .2s, color .2s;
        }
        .nav-link i {
            font-size: 14px;
            opacity: .8;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .nav-link.active {
            color: #fff;
            background: rgba(13, 148, 136, .9);
            box-shadow: inset 0 -2px 0 rgba(255, 255, 255, .3);
        }

        /* ===== 分类页 Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(rgba(11, 37, 48, .82), rgba(11, 37, 48, .92)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            padding: 88px 0 130px;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(13, 148, 136, .3), transparent 70%);
            pointer-events: none;
        }
        .banner-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(13, 148, 136, .22);
            border: 1px solid rgba(13, 148, 136, .5);
            color: #9ef0e7;
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 30px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .banner-title {
            font-size: clamp(32px, 5vw, 46px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }
        .banner-title span {
            color: #2dd4bf;
        }
        .banner-desc {
            max-width: 640px;
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 22px;
        }
        .banner-meta {
            display: flex;
            gap: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }
        .banner-meta i {
            color: #2dd4bf;
            margin-right: 6px;
        }

        /* ===== KPI 数据仪表盘 ===== */
        .kpi-section {
            margin-top: -72px;
            position: relative;
            z-index: 9;
        }
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .kpi-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 24px 22px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: var(--shadow-md);
            transition: transform .25s, box-shadow .25s;
        }
        .kpi-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .kpi-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .kpi-icon.orange {
            background: #fef3c7;
            color: var(--accent-dark);
        }
        .kpi-icon.blue {
            background: #dbeafe;
            color: #2563eb;
        }
        .kpi-icon.purple {
            background: #ede9fe;
            color: #7c3aed;
        }
        .kpi-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }
        .kpi-label {
            font-size: 14px;
            color: var(--text-weak);
            margin-top: 2px;
        }

        /* ===== 板块通用 ===== */
        .section-head {
            margin-bottom: 38px;
            text-align: center;
        }
        .section-head.left {
            text-align: left;
        }
        .section-overline {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(26px, 3.4vw, 34px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 700px;
            margin: 12px auto 0;
            text-align: center;
        }
        .section-head.left .section-desc {
            text-align: left;
            margin-left: 0;
        }

        /* ===== 排行榜表格 ===== */
        .ranking-section {
            padding: var(--space) 0 0;
        }
        .rank-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .rank-table {
            width: 100%;
            font-size: 15px;
        }
        .rank-table thead th {
            background: #f8fafb;
            color: var(--text-weak);
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: .5px;
            padding: 14px 20px;
            border-bottom: 2px solid var(--border-light);
            white-space: nowrap;
            text-align: left;
        }
        .rank-table tbody td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }
        .rank-table tbody tr:last-child td {
            border-bottom: none;
        }
        .rank-table tbody tr {
            transition: background .2s;
        }
        .rank-table tbody tr:hover {
            background: #f8fbfa;
        }
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 8px;
            font-weight: 800;
            font-size: 15px;
            background: var(--bg);
            color: var(--text-weak);
        }
        .rank-badge.top-1 {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #fff;
        }
        .rank-badge.top-2 {
            background: linear-gradient(135deg, #94a3b8, #cbd5e1);
            color: #fff;
        }
        .rank-badge.top-3 {
            background: linear-gradient(135deg, #d97706, #f59e0b);
            color: #fff;
        }
        .rank-game-name {
            font-weight: 700;
            color: var(--text);
            font-size: 16px;
            transition: color .2s;
        }
        .rank-game-name:hover {
            color: var(--primary);
        }
        .rank-type {
            font-size: 13px;
            background: var(--bg);
            color: var(--text-weak);
            padding: 3px 10px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .heat-cell {
            min-width: 130px;
        }
        .heat-bar-wrap {
            display: inline-block;
            vertical-align: middle;
            width: 64px;
            height: 6px;
            background: #eef2f5;
            border-radius: 4px;
            margin-right: 10px;
            overflow: hidden;
        }
        .heat-bar-inner {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, #0d9488, #2dd4bf);
        }
        .heat-value {
            font-weight: 700;
            color: var(--text);
            font-size: 15px;
        }
        .score-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #fff7ed;
            color: var(--accent-dark);
            font-weight: 800;
            font-size: 14px;
            padding: 3px 10px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .score-badge i {
            font-size: 12px;
        }
        .rank-detail-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 14px;
            border-radius: 20px;
            transition: all .2s;
            white-space: nowrap;
        }
        .rank-detail-btn:hover {
            background: var(--primary);
            color: #fff;
        }
        .rank-note {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 游戏卡片推荐 ===== */
        .recommend-section {
            padding: var(--space) 0;
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .game-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform .25s, box-shadow .25s;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .game-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg);
        }
        .game-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }
        .game-card:hover .game-cover img {
            transform: scale(1.05);
        }
        .game-cover .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 37, 48, .75);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }
        .game-cover .card-rating {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(245, 158, 11, .95);
            color: #fff;
            font-size: 13px;
            font-weight: 800;
            padding: 3px 10px;
            border-radius: 20px;
            font-style: italic;
        }
        .game-info {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .game-info h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .game-info h3 a {
            color: var(--text);
        }
        .game-info h3 a:hover {
            color: var(--primary);
        }
        .game-info p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--text-weak);
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .game-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            margin-bottom: 14px;
        }
        .game-meta i {
            color: var(--primary);
            margin-right: 3px;
        }
        .btn-game {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 16px;
            border-radius: 8px;
            transition: all .2s;
            border: 2px solid var(--primary);
        }
        .btn-game:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-game i {
            font-size: 13px;
            transition: transform .2s;
        }
        .btn-game:hover i {
            transform: translateX(3px);
        }

        /* ===== 排行算法说明 ===== */
        .method-section {
            background: #fff;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .method-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .method-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .method-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .method-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 37, 48, .4), transparent 60%);
            pointer-events: none;
        }
        .method-list {
            margin-top: 24px;
            display: grid;
            gap: 20px;
        }
        .method-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .method-item-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .method-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }
        .method-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--space) 0;
        }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .2s;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            cursor: pointer;
            list-style: none;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 12px;
            position: relative;
            transition: color .2s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::before {
            content: '\f059';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 16px;
            color: var(--primary);
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 13px;
            color: var(--text-muted);
            margin-left: auto;
            transition: transform .3s;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-body {
            padding: 0 24px 20px 52px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 0 0 var(--space);
        }
        .cta-inner {
            position: relative;
            background: linear-gradient(110deg, rgba(11, 37, 48, .92), rgba(13, 148, 136, .75)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            overflow: hidden;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }
        .cta-inner::before {
            content: '';
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
            top: -80px;
            right: 40px;
        }
        .cta-inner h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            margin-bottom: 10px;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            max-width: 520px;
            margin-bottom: 24px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: 8px;
            transition: all .2s;
            border: 2px solid transparent;
            cursor: pointer;
        }
        .btn-primary {
            background: #fff;
            color: var(--primary-dark);
            border-color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .6);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .cta-tip {
            margin-top: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .65);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .8);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand .logo-text span {
            color: #2dd4bf;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            max-width: 320px;
            margin-bottom: 18px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 255, 255, .08);
            color: rgba(255, 255, 255, .7);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            transition: all .2s;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h3 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: color .2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a i {
            font-size: 10px;
            color: rgba(255, 255, 255, .35);
        }
        .footer-col ul a:hover {
            color: #2dd4bf;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }
        .footer-bottom span {
            white-space: nowrap;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --space: 62px;
            }
            .game-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .header-search {
                width: 240px;
            }
            .header-trends {
                display: none;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space: 52px;
            }
            .header-main {
                gap: 12px;
            }
            .header-search {
                order: 3;
                width: 100%;
                margin-top: 4px;
            }
            .nav-list {
                overflow-x: auto;
                scrollbar-width: none;
                -webkit-overflow-scrolling: touch;
            }
            .nav-list::-webkit-scrollbar {
                display: none;
            }
            .nav-link {
                font-size: 14px;
                padding: 8px 14px;
            }
            .method-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .method-image img {
                min-height: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .rank-table thead th:nth-child(4) {
                display: none;
            }
            .rank-table tbody td:nth-child(4) {
                display: none;
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-inner {
                padding: 40px 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .logo-text {
                font-size: 18px;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .banner-title {
                font-size: 28px;
            }
            .banner-desc {
                font-size: 15px;
            }
            .banner-meta {
                flex-wrap: wrap;
                gap: 8px 14px;
                font-size: 13px;
            }
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .kpi-card {
                padding: 18px 14px;
                gap: 10px;
            }
            .kpi-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }
            .kpi-num {
                font-size: 24px;
            }
            .kpi-label {
                font-size: 12px;
            }
            .rank-table thead th:nth-child(5) {
                display: none;
            }
            .rank-table tbody td:nth-child(5) {
                display: none;
            }
            .rank-table thead th,
            .rank-table tbody td {
                padding: 12px 12px;
                font-size: 14px;
            }
            .heat-bar-wrap {
                width: 40px;
            }
            .game-grid {
                grid-template-columns: 1fr;
            }
            .game-info {
                padding: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-actions {
                flex-direction: column;
            }
            .btn {
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #0f766e;
  --primary-dark: #0b5d56;
  --primary-light: #14b8a6;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg: #f8fafc;
  --bg-alt: #f0fdfa;
  --bg-deep: #0f172a;
  --text: #1e293b;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-w: 1200px;
  --nav-h: 64px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
ul,
ol {
  list-style: none;
}
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary);
  background: rgba(15, 118, 110, 0.08);
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 12px;
}
.section-title span {
  color: var(--primary);
}
.section-desc {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(15, 118, 110, 0.3);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 118, 110, 0.35);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
}
.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}
.btn-lg {
  padding: 15px 36px;
  font-size: 16px;
}

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.3);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}
.logo-text span {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: block;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.nav-link i {
  font-size: 13px;
  opacity: 0.8;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(15, 118, 110, 0.06);
}
.nav-link.active {
  color: var(--primary);
  background: rgba(15, 118, 110, 0.1);
  font-weight: 600;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-search {
  position: relative;
}
.header-search input {
  width: 200px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 0 40px 0 16px;
  font-size: 14px;
  background: var(--bg);
  transition: var(--transition);
}
.header-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
  background: #fff;
  outline: none;
  width: 240px;
}
.header-search button {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border: none;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.header-search button:hover {
  background: var(--primary-dark);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  font-size: 18px;
  color: var(--text);
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.nav-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== Hero / Banner ===== */
.page-banner {
  position: relative;
  padding: 80px 0 70px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(15, 118, 110, 0.85)), url('/assets/images/backpic/back-2.png') no-repeat center center;
  background-size: cover;
  color: #fff;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.25), transparent 70%);
  pointer-events: none;
}
.page-banner::after {
  content: '';
  position: absolute;
  bottom: -80%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15), transparent 70%);
  pointer-events: none;
}
.banner-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}
.banner-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 500;
  backdrop-filter: blur(6px);
  margin-bottom: 20px;
}
.banner-pill i {
  color: var(--accent);
}
.page-banner h1 {
  font-size: 46px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
}
.page-banner h1 span {
  color: #5eead4;
}
.page-banner p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin-bottom: 30px;
}
.banner-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.banner-meta {
  display: flex;
  gap: 30px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.banner-meta-item {
  display: flex;
  flex-direction: column;
}
.banner-meta-item .num {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.banner-meta-item .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 2px;
}

/* ===== Today Schedule ===== */
.today-schedule {
  margin-top: -30px;
  position: relative;
  z-index: 5;
}
.schedule-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}
.schedule-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.schedule-header h2 {
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.schedule-header h2 i {
  color: var(--primary);
}
.schedule-date {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-alt);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.schedule-table-wrap {
  padding: 0 28px;
  overflow-x: auto;
}
.schedule-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
.schedule-table thead th {
  padding: 14px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border);
  text-align: left;
}
.schedule-table tbody td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  vertical-align: middle;
}
.schedule-table tbody tr:last-child td {
  border-bottom: none;
}
.schedule-table tbody tr {
  transition: var(--transition);
}
.schedule-table tbody tr:hover {
  background: rgba(15, 118, 110, 0.03);
}
.game-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}
.game-thumb {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}
.game-name {
  font-weight: 600;
  color: var(--text);
}
.game-type-badge {
  display: inline-block;
  background: rgba(15, 118, 110, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}
.time-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-alt);
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}
.time-badge i {
  color: var(--accent);
  font-size: 12px;
}
.status-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}
.status-badge.open {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
}
.status-badge.full {
  background: rgba(245, 158, 11, 0.1);
  color: #b45309;
}
.status-badge.coming {
  background: rgba(99, 102, 241, 0.1);
  color: #4f46e5;
}
.schedule-footer {
  padding: 16px 28px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--bg-alt);
}
.schedule-footer p {
  font-size: 14px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.schedule-footer p i {
  color: var(--primary);
}
.schedule-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.schedule-link:hover {
  color: var(--primary-dark);
}

/* ===== KPIs ===== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.kpi-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.kpi-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: var(--transition);
}
.kpi-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.kpi-card:hover::after {
  opacity: 1;
}
.kpi-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin: 0 auto 16px;
}
.kpi-card .num {
  font-size: 36px;
  font-weight: 900;
  color: var(--text);
  line-height: 1.2;
}
.kpi-card .num span {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
  margin-left: 2px;
}
.kpi-card .label {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 6px;
}

/* ===== Upcoming Cards ===== */
.upcoming-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.upcoming-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.upcoming-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.upcoming-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.upcoming-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.upcoming-card:hover .upcoming-cover img {
  transform: scale(1.06);
}
.upcoming-cover::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60%;
  background: linear-gradient(transparent, rgba(15, 23, 42, 0.6));
}
.upcoming-date {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255, 255, 255, 0.92);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  z-index: 2;
  backdrop-filter: blur(4px);
}
.upcoming-tag {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(245, 158, 11, 0.95);
  color: #fff;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  z-index: 2;
}
.upcoming-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.upcoming-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}
.upcoming-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}
.upcoming-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-muted);
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.upcoming-meta i {
  color: var(--primary);
}

/* ===== Popular Games ===== */
.popular-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.popular-card {
  display: flex;
  gap: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}
.popular-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.popular-rank {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.popular-rank .rank-num {
  font-size: 30px;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
}
.popular-rank .rank-icon {
  color: var(--accent);
  font-size: 18px;
}
.popular-card:nth-child(1) .rank-icon,
.popular-card:nth-child(2) .rank-icon,
.popular-card:nth-child(3) .rank-icon {
  color: var(--accent);
}
.popular-info {
  flex: 1;
}
.popular-info h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.popular-info .game-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 12px;
}
.popular-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-alt);
  color: var(--text-light);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  transition: var(--transition);
}
.tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(15, 118, 110, 0.04);
}
.tag i {
  font-size: 11px;
}

/* ===== Guide Steps ===== */
.guide-section {
  background: var(--bg-deep);
  color: #fff;
}
.guide-section .section-title {
  color: #fff;
}
.guide-section .section-desc {
  color: rgba(255, 255, 255, 0.7);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 20px;
}
.step-card {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(6px);
}
.step-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(94, 234, 212, 0.4);
  transform: translateY(-6px);
}
.step-num {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(20, 184, 166, 0.3);
}
.step-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(15, 118, 110, 0.3);
}
.faq-item[open] {
  box-shadow: var(--shadow);
}
.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  position: relative;
  padding-right: 60px;
  list-style: none;
  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;
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 14px;
  transition: var(--transition);
}
.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(180deg);
}
.faq-item summary:hover {
  color: var(--primary);
}
.faq-item[open] summary {
  border-bottom: 1px solid var(--border);
  color: var(--primary);
}
.faq-item .faq-body {
  padding: 20px 24px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.85;
}
.faq-item .faq-body p {
  margin-bottom: 10px;
}
.faq-item .faq-body p:last-child {
  margin-bottom: 0;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 70px 0;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.95), rgba(20, 184, 166, 0.85)), url('/assets/images/backpic/back-3.png') no-repeat center center;
  background-size: cover;
  color: #fff;
  text-align: center;
}
.cta-inner {
  max-width: 660px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.cta-inner h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  line-height: 1.8;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.cta-form input {
  flex: 1;
  min-width: 220px;
  height: 50px;
  border: none;
  border-radius: 50px;
  padding: 0 24px;
  font-size: 15px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}
.cta-form input:focus {
  outline: 3px solid rgba(255, 255, 255, 0.3);
}
.cta-form .btn {
  height: 50px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand .logo-icon {
  background: linear-gradient(135deg, #14b8a6, var(--primary-light));
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand .logo-text span {
  color: #5eead4;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 360px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}
.footer-col h3 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 10px;
  position: relative;
}
.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  background: var(--primary-light);
  border-radius: 3px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.footer-col ul a i {
  font-size: 10px;
  color: var(--primary-light);
}
.footer-col ul a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .header-search input {
    width: 160px;
  }
  .header-search input:focus {
    width: 200px;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .upcoming-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media screen and (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 28px;
  }
  .page-banner {
    padding: 60px 0 56px;
  }
  .page-banner h1 {
    font-size: 34px;
  }
  .banner-meta {
    gap: 20px;
    flex-wrap: wrap;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-list {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 99;
    border-bottom: 2px solid var(--border);
  }
  .nav-list.open {
    transform: translateY(0);
  }
  .nav-link {
    padding: 12px 16px;
    width: 100%;
    border-radius: 8px;
  }
  .header-actions .header-search {
    display: none;
  }
  .popular-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .schedule-header,
  .schedule-table-wrap {
    padding-left: 16px;
    padding-right: 16px;
  }
  .cta-form {
    flex-direction: column;
  }
  .cta-form .btn {
    width: 100%;
  }
}
@media screen and (max-width: 520px) {
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .upcoming-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .page-banner h1 {
    font-size: 28px;
  }
  .banner-btns .btn {
    width: 100%;
    justify-content: center;
  }
  .banner-meta-item .num {
    font-size: 24px;
  }
  .schedule-table-wrap {
    padding: 0 12px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --success: #10b981;
  --bg: #f4f7fb;
  --bg-white: #ffffff;
  --bg-dark: #0b1120;
  --text: #1e293b;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-dark: rgba(255, 255, 255, 0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-width: 1280px;
}

/* ===== 基础 reset/base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--primary);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  outline: none;
  background: none;
}
ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
}

/* ===== 顶部辅助条 ===== */
.topbar {
  background: var(--bg-dark);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-dark);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar-welcome {
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
}
.topbar-links {
  display: flex;
  gap: 20px;
  align-items: center;
}
.topbar-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}
.topbar-links a:hover {
  color: #fff;
}

/* ===== 主导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.logo-text span {
  color: var(--primary);
  font-weight: 700;
}
.nav-center {
  display: flex;
  align-items: center;
}
.nav-list {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-radius: 10px;
  transition: var(--transition);
  position: relative;
}
.nav-link i {
  font-size: 14px;
  color: var(--text-light);
  transition: var(--transition);
}
.nav-link:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.nav-link:hover i {
  color: var(--primary);
}
.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}
.nav-link.active i {
  color: #fff;
}
.nav-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-search-toggle {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: 10px;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.nav-search-toggle:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}
.nav-search {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 14px;
  height: 38px;
  width: 200px;
  transition: var(--transition);
}
.nav-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: #fff;
}
.nav-search i {
  color: var(--text-muted);
  font-size: 14px;
}
.nav-search input {
  border: none;
  background: transparent;
  padding: 0 8px;
  width: 100%;
  font-size: 14px;
  color: var(--text);
}
.nav-search input::placeholder {
  color: var(--text-muted);
}
.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--border);
}
.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 4px;
  transition: var(--transition);
}
.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* ===== 移动端导航抽屉 ===== */
.mobile-nav {
  display: none;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 16px 0;
  box-shadow: var(--shadow);
}
.mobile-nav .nav-list {
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  padding: 0 16px;
}
.mobile-nav .nav-link {
  padding: 14px 18px;
  border-radius: 12px;
}
.mobile-nav .nav-link.active {
  background: var(--primary);
  color: #fff;
}
.mobile-nav .nav-link.active i {
  color: #fff;
}

/* ===== 内页Banner ===== */
.page-hero {
  position: relative;
  padding: 80px 0 60px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 17, 32, 0.94), rgba(37, 99, 235, 0.75));
  z-index: 1;
}
.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 16px;
}
.page-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}
.page-hero .breadcrumb a:hover {
  color: #fff;
}
.page-hero .breadcrumb i {
  font-size: 10px;
}
.page-hero h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}
.page-hero p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0;
}

/* ===== 板块通用 ===== */
.section {
  padding: 64px 0;
}
.section-alt {
  background: #fff;
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}
.section-title-wrap {
  max-width: 640px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.section-tag i {
  font-size: 12px;
}
.section-title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: -0.02em;
}
.section-desc {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
  margin-top: 8px;
}
.section-more {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  transition: var(--transition);
}
.section-more:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.section-more i {
  font-size: 12px;
}

/* ===== KPI 数据卡 ===== */
.kpi-grid {
  margin-top: -40px;
  position: relative;
  z-index: 5;
  padding-bottom: 10px;
}
.kpi-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
  margin-bottom: 0;
  position: relative;
}
.kpi-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.kpi-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 20px;
  border-radius: 12px;
}
.kpi-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}
.kpi-num span {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
}
.kpi-label {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 6px;
}
.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  padding: 4px 10px;
  border-radius: 16px;
}
.kpi-trend.down {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* ===== 排行榜单区 ===== */
.rank-main-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 24px;
}
.rank-card-header {
  padding: 24px 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.rank-card-header h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}
.rank-filter {
  display: flex;
  gap: 8px;
  align-items: center;
}
.rank-filter-tab {
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  background: var(--bg);
  color: var(--text-light);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.rank-filter-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.rank-filter-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.rank-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}
.rank-table th {
  padding: 16px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-light);
  text-align: left;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.rank-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  font-size: 15px;
}
.rank-table tr:last-child td {
  border-bottom: none;
}
.rank-table tr {
  transition: var(--transition);
}
.rank-table tbody tr:hover {
  background: #f8faff;
}
.rank-num {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 800;
  background: var(--bg);
  color: var(--text);
}
.rank-num.top-1 {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #fff;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}
.rank-num.top-2 {
  background: linear-gradient(135deg, #cbd5e1, #94a3b8);
  color: #fff;
  box-shadow: 0 4px 12px rgba(148, 163, 184, 0.3);
}
.rank-num.top-3 {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}
.rank-game {
  display: flex;
  align-items: center;
  gap: 14px;
}
.rank-game-img {
  width: 64px;
  height: 48px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.rank-game-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.rank-game-info {
  min-width: 0;
}
.rank-game-name {
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rank-game-name:hover {
  color: var(--primary);
}
.rank-game-meta {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
  flex-wrap: wrap;
}
.rank-tags {
  display: flex;
  gap: 6px;
}
.rank-tag {
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 12px;
}
.rank-score {
  font-weight: 800;
  color: var(--text);
  font-size: 18px;
}
.rank-hot {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 16px;
}
.rank-trend i {
  font-size: 14px;
}
.rank-trend.up {
  color: var(--success);
}
.rank-trend.down {
  color: #ef4444;
}

/* ===== 榜单辅助说明 ===== */
.rank-note-card {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--text-light);
  margin-top: 24px;
}
.rank-note-card i {
  font-size: 20px;
  color: var(--primary);
  flex-shrink: 0;
}
.rank-note-card strong {
  color: var(--text);
}

/* ===== 图文解读 ===== */
.feature-block {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin-bottom: 24px;
  transition: var(--transition);
}
.feature-block:hover {
  box-shadow: var(--shadow-lg);
}
.feature-img {
  position: relative;
  height: 100%;
  min-height: 260px;
  overflow: hidden;
}
.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.feature-block:hover .feature-img img {
  transform: scale(1.04);
}
.feature-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.2), transparent 60%);
}
.feature-body {
  padding: 28px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.feature-body .section-tag {
  margin-bottom: 12px;
}
.feature-body h3 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 14px;
  color: var(--text);
}
.feature-body p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}
.feature-list-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}
.feature-list-item i {
  color: var(--primary);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
}
.text-link:hover {
  gap: 10px;
}
.text-link i {
  font-size: 12px;
}

/* ===== 内容卡片列表 ===== */
.content-card-row {
  margin-bottom: 24px;
}
.content-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.content-card-img {
  position: relative;
  height: 160px;
  overflow: hidden;
}
.content-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.content-card-img .game-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.content-card-img .rank-pos {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}
.content-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.content-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text);
}
.content-card-body h3 a:hover {
  color: var(--primary);
}
.content-card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-meta a {
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg);
}
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  padding: 18px 22px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 14px;
  list-style: none;
  user-select: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::before {
  content: "\f059";
  font-family: "Font Awesome 6 Free";
  font-weight: 400;
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}
.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  margin-left: auto;
  color: var(--text-muted);
  font-size: 14px;
  transition: var(--transition);
}
.faq-item[open] summary::after {
  transform: rotate(180deg);
  color: var(--primary);
}
.faq-answer {
  padding: 0 22px 20px 54px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}
.faq-answer a {
  color: var(--primary);
  font-weight: 600;
}

/* ===== CTA ===== */
.cta-box {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  padding: 56px 60px;
  text-align: center;
  color: #fff;
}
.cta-box::before {
  content: "\f005";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  font-size: 220px;
  opacity: 0.06;
  right: -20px;
  top: -40px;
  transform: rotate(15deg);
}
.cta-box::after {
  content: "\f13b";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  font-size: 200px;
  opacity: 0.05;
  left: -30px;
  bottom: -60px;
  transform: rotate(-10deg);
}
.cta-box h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.cta-box p {
  font-size: 16px;
  opacity: 0.85;
  max-width: 520px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 1;
}
.cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.btn-white {
  background: #fff;
  color: var(--primary-dark);
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  color: var(--primary-dark);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 64px;
  padding-bottom: 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand .logo-text span {
  color: #60a5fa;
}
.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  margin-top: 18px;
  max-width: 380px;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  transition: var(--transition);
  border: 1px solid transparent;
}
.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-3px);
}
.footer-col h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
  padding: 4px 0;
}
.footer-col ul li a i {
  font-size: 10px;
  color: var(--primary);
  opacity: 0.7;
}
.footer-col ul li a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }
  .nav-search {
    width: 150px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .section-title {
    font-size: 26px;
  }
  .page-hero {
    padding: 70px 0 54px;
  }
  .page-hero h1 {
    font-size: 32px;
  }
}

@media (max-width: 820px) {
  .nav-center {
    display: none;
  }
  .nav-search {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .mobile-nav {
    display: none;
  }
  .mobile-nav.open {
    display: block;
  }
  .nav-tools {
    margin-left: auto;
  }
  .topbar-welcome {
    display: none;
  }
  .section {
    padding: 48px 0;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
  }
  .kpi-grid {
    margin-top: -24px;
  }
  .kpi-card {
    margin-bottom: 16px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .page-hero p {
    font-size: 15px;
  }
  .cta-box {
    padding: 40px 24px;
  }
  .cta-box h2 {
    font-size: 24px;
  }
  .rank-table th:nth-child(4),
  .rank-table td:nth-child(4) {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 14px;
  }
  .nav-container {
    height: 64px;
  }
  .logo-text {
    font-size: 18px;
  }
  .logo-icon {
    width: 38px;
    height: 38px;
    font-size: 15px;
    border-radius: 10px;
  }
  .page-hero {
    padding: 56px 0 44px;
  }
  .page-hero h1 {
    font-size: 24px;
  }
  .page-hero p {
    font-size: 14px;
  }
  .section-title {
    font-size: 22px;
  }
  .section-tag {
    font-size: 12px;
  }
  .kpi-num {
    font-size: 24px;
  }
  .kpi-card {
    padding: 18px;
  }
  .rank-card-header {
    padding: 20px 16px 0;
    flex-direction: column;
    align-items: flex-start;
  }
  .rank-filter {
    flex-wrap: wrap;
  }
  .rank-table th,
  .rank-table td {
    padding: 12px 14px;
  }
  .rank-game-img {
    width: 52px;
    height: 40px;
  }
  .rank-game-name {
    font-size: 14px;
  }
  .feature-body {
    padding: 20px;
  }
  .feature-desc {
    font-size: 14px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding-top: 20px;
  }
}

/* ===== 焦点可访问性 ===== */
:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.4);
  outline-offset: 2px;
}

/* ===== 滚动条自定义 ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}