/* roulang page: index */
:root {
  --primary: #1a56db;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg: #f8fafc;
  --bg-dark: #0f172a;
  --bg-deep: #020617;
  --text: #0f172a;
  --text-light: #64748b;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius-lg: 20px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --space-section: clamp(60px, 8vw, 100px);
}
*, *::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: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: var(--space-section) 0; }
.text-center { text-align: center; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-lg { padding: 16px 44px; font-size: 16px; }
.btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 4px 18px rgba(26, 86, 219, 0.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(26, 86, 219, 0.4); color: var(--white); }
.btn-accent { background: var(--accent); color: var(--bg-deep); box-shadow: 0 4px 18px rgba(245, 158, 11, 0.3); }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245, 158, 11, 0.4); color: var(--bg-deep); }
.btn-outline-light { border-color: rgba(255,255,255,0.8); color: var(--white); background: transparent; }
.btn-outline-light:hover { background: rgba(255,255,255,0.15); border-color: var(--white); transform: translateY(-2px); color: var(--white); }
.btn-outline-dark { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline-dark:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }

/* ========== 顶部信息条 ========== */
.topbar {
  background: var(--bg-deep);
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  height: 40px;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.topbar-domain { display: flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 600; }
.topbar-domain i { font-size: 12px; }
.topbar-msg { display: flex; align-items: center; gap: 6px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.topbar-msg i { color: var(--accent); font-size: 12px; }
.topbar-action {
  color: var(--white);
  background: rgba(255,255,255,0.1);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  transition: var(--transition);
}
.topbar-action:hover { background: var(--accent); color: var(--bg-deep); }

/* ========== 主导航 ========== */
.main-nav {
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
}
.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 1px;
}
.brand-text span { color: var(--primary); }
.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-list li a {
  display: block;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}
.nav-list li a:hover { color: var(--primary); background: rgba(26, 86, 219, 0.06); }
.nav-list li a.active { color: var(--white); background: var(--primary); box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3); }
.nav-search {
  display: flex;
  align-items: center;
  background: var(--bg);
  border-radius: 50px;
  padding: 8px 8px 8px 18px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1); background: var(--white); }
.nav-search input {
  border: none;
  background: transparent;
  width: 140px;
  font-size: 14px;
  color: var(--text);
}
.nav-search input::placeholder { color: var(--text-light); }
.nav-search button {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: var(--transition);
}
.nav-search button:hover { background: var(--primary-dark); }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.nav-toggle:hover { background: rgba(26, 86, 219, 0.1); color: var(--primary); }

/* ========== Hero ========== */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: clamp(100px, 12vw, 180px) 0;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(2, 6, 23, 0.94) 0%, rgba(15, 23, 42, 0.82) 45%, rgba(15, 23, 42, 0.45) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  color: var(--white);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 28px;
}
.hero-badge i { font-size: 12px; }
.hero-title {
  font-size: clamp(38px, 5.5vw, 60px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.hero-title span { color: var(--accent); }
.hero-desc {
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-tags { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
}
.hero-tags .tag i { color: var(--accent); font-size: 12px; }

/* ========== 板块通用 ========== */
.section { padding: var(--space-section) 0; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 52px; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(26, 86, 219, 0.08);
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.section-title span { color: var(--primary); }
.section-desc { font-size: 16px; color: var(--text-light); line-height: 1.7; }

/* ========== 核心优势 ========== */
.features { background: var(--white); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; background: var(--white); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--white);
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(26, 86, 219, 0.25);
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.65; }

/* ========== 分类入口 ========== */
.categories { background: var(--bg); }
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: block;
  box-shadow: var(--shadow-sm);
}
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.category-img { position: relative; height: 200px; overflow: hidden; }
.category-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.category-card:hover .category-img img { transform: scale(1.08); }
.category-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15, 23, 42, 0.6) 100%);
}
.category-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(255,255,255,0.92);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  backdrop-filter: blur(4px);
}
.category-info { padding: 24px; }
.category-info h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.category-info p { font-size: 14px; color: var(--text-light); line-height: 1.65; margin-bottom: 16px; }
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.category-link i { font-size: 12px; transition: var(--transition); }
.category-link:hover { gap: 10px; color: var(--primary-dark); }

/* ========== 资讯列表 ========== */
.news { background: var(--white); }
.news-widget {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.news-list { display: flex; flex-direction: column; }
.news-item {
  padding: 26px 20px;
  border-radius: var(--radius);
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.news-item:hover { background: var(--white); box-shadow: var(--shadow); border-left-color: var(--primary); }
.news-item + .news-item { border-top: 1px solid rgba(226, 232, 240, 0.8); }
.news-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 10px; flex-wrap: wrap; }
.news-cat {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  background: rgba(26, 86, 219, 0.1);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 50px;
}
.news-date { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-light); }
.news-date i { font-size: 11px; }
.news-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.news-title a { color: var(--text); }
.news-title a:hover { color: var(--primary); }
.news-desc { font-size: 14px; color: var(--text-light); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.empty-tip {
  text-align: center;
  color: var(--text-light);
  font-size: 16px;
  padding: 40px 20px;
}

/* ========== 热门专题 ========== */
.topics { background: var(--bg); }
.topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.topic-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.topic-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.topic-img { position: relative; height: 160px; overflow: hidden; }
.topic-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.topic-card:hover .topic-img img { transform: scale(1.06); }
.topic-tag {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(245, 158, 11, 0.95);
  color: var(--bg-deep);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.topic-content { padding: 20px; }
.topic-content h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.topic-content p { font-size: 13px; color: var(--text-light); line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.topic-stat { display: flex; align-items: center; gap: 14px; font-size: 12px; color: var(--text-light); }
.topic-stat span { display: flex; align-items: center; gap: 5px; }
.topic-stat i { color: var(--primary); font-size: 11px; }

/* ========== 数据统计 ========== */
.stats {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: clamp(70px, 8vw, 110px) 0;
  color: var(--white);
}
.stats-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(2, 6, 23, 0.94) 0%, rgba(15, 23, 42, 0.85) 60%, rgba(30, 64, 175, 0.7) 100%);
  z-index: 1;
}
.stats-content { position: relative; z-index: 2; }
.stats-header { text-align: center; margin-bottom: 56px; }
.stats-header .section-tag { color: var(--accent); background: rgba(245, 158, 11, 0.12); }
.stats-header .section-title { color: var(--white); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item { text-align: center; padding: 32px 20px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); backdrop-filter: blur(6px); transition: var(--transition); }
.stat-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.stat-num {
  font-size: clamp(36px, 4vw, 50px);
  font-weight: 900;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.stat-label { font-size: 15px; color: rgba(255,255,255,0.75); }

/* ========== 流程步骤 ========== */
.steps { background: var(--white); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.step-item {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius);
  position: relative;
  transition: var(--transition);
}
.step-item:hover { background: var(--bg); }
.step-num {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  font-size: 24px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(26, 86, 219, 0.25);
  position: relative;
  z-index: 1;
}
.step-item:nth-child(even) .step-num { background: linear-gradient(135deg, var(--accent), #fbbf24); box-shadow: 0 8px 24px rgba(245, 158, 11, 0.25); }
.step-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-item p { font-size: 14px; color: var(--text-light); line-height: 1.65; }
.step-line {
  position: absolute;
  top: 76px;
  left: calc(50% + 44px);
  right: calc(-50% + 44px);
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0 6px, transparent 6px 12px);
  z-index: 0;
}
.step-item:last-child .step-line { display: none; }

/* ========== FAQ ========== */
.faq { background: var(--bg); }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(26, 86, 219, 0.3); box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: var(--transition);
  gap: 16px;
}
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(26, 86, 219, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-question.active { color: var(--primary); }
.faq-question.active .faq-icon { background: var(--primary); color: var(--white); transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 28px 22px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
}

/* ========== CTA ========== */
.cta {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: clamp(80px, 9vw, 120px) 0;
  overflow: hidden;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent-dark) 100%);
  opacity: 0.92;
  z-index: 1;
}
.cta-content { position: relative; z-index: 2; text-align: center; color: var(--white); max-width: 700px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 900; line-height: 1.25; margin-bottom: 20px; letter-spacing: 1px; }
.cta-content p { font-size: 16px; color: rgba(255,255,255,0.85); line-height: 1.7; margin-bottom: 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== 页脚 ========== */
.site-footer { background: var(--bg-deep); color: rgba(255,255,255,0.7); }
.footer-top { padding: 72px 0 48px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
}
.footer-brand .brand-text { color: var(--white); font-size: 22px; }
.footer-brand .brand-icon { width: 46px; height: 46px; font-size: 20px; }
.footer-brand p { margin-top: 20px; font-size: 14px; line-height: 1.7; }
.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 6px; }
.footer-contact-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 14px; }
.footer-contact-list i { color: var(--accent); width: 20px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: var(--accent); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .step-line { display: none; }
}
@media (max-width: 820px) {
  .nav-search { display: none; }
  .nav-toggle { display: flex; }
  .nav-list {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
    display: none;
    border-radius: 0 0 20px 20px;
    z-index: 999;
  }
  .nav-list.open { display: flex; }
  .nav-list li a { padding: 14px 20px; font-size: 16px; border-radius: 10px; }
  .categories-grid { grid-template-columns: 1fr; gap: 20px; }
  .news-widget { padding: 24px; }
}
@media (max-width: 640px) {
  .topbar-msg { display: none; }
  .topbar-inner { justify-content: center; }
  .features-grid { grid-template-columns: 1fr; }
  .topics-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 80px 0; }
  .hero-actions .btn { width: 100%; }
  .cta-actions .btn { width: 100%; }
  .news-item { padding: 20px 14px; }
  .btn { padding: 12px 28px; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 32px; }
  .section-title { font-size: 26px; }
  .brand-text { font-size: 17px; }
  .brand-icon { width: 36px; height: 36px; font-size: 15px; }
  .stats-grid { grid-template-columns: 1fr; }
}

/* roulang page: article */
:root{
  --primary:#1e6fff;
  --primary-dark:#0e4fbf;
  --accent:#00c4a7;
  --accent-2:#ff6b35;
  --bg-light:#f5f7fb;
  --bg-white:#ffffff;
  --bg-dark:#0d1b2e;
  --bg-nav:#0f1f35;
  --text-main:#1a2332;
  --text-muted:#6b7a8f;
  --border-color:#e3e9f2;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(13,27,46,.06);
  --shadow-md:0 8px 28px rgba(13,27,46,.08);
  --shadow-lg:0 18px 50px rgba(13,27,46,.12);
  --transition:all .25s ease;
}
*,*::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;
  line-height:1.7;color:var(--text-main);background:var(--bg-light);
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}
h1,h2,h3,h4,h5{line-height:1.3;font-weight:700}

.container{max-width:1280px;margin:0 auto;padding:0 24px}
.grid-container{max-width:1280px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:36px;font-weight:600;font-size:15px;
  border:2px solid transparent;transition:var(--transition);cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#0e8fff);color:#fff;
  box-shadow:0 8px 22px rgba(30,111,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(30,111,255,.45);color:#fff}
.btn-secondary{
  background:transparent;border-color:var(--primary);color:var(--primary);
}
.btn-secondary:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-light{
  background:#fff;color:var(--primary);box-shadow:0 8px 22px rgba(0,0,0,.12);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.2)}

/* ===== Header ===== */
.site-header{
  background:var(--bg-white);position:sticky;top:0;z-index:100;
  box-shadow:0 4px 24px rgba(13,27,46,.07);
}
.topbar{
  background:linear-gradient(135deg,var(--bg-dark) 0%,#152a47 100%);
  color:rgba(255,255,255,.88);font-size:13px;padding:8px 0;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar-domain{display:inline-flex;align-items:center;gap:6px;font-weight:600}
.topbar-msg{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.7)}
.topbar-msg i{color:var(--accent)}
.topbar-action{
  color:#fff;font-size:13px;font-weight:600;padding:4px 14px;
  border-radius:20px;background:rgba(255,255,255,.12);display:inline-flex;align-items:center;gap:6px;
}
.topbar-action:hover{background:var(--primary)}

.main-nav{background:var(--bg-white);padding:14px 0;border-bottom:1px solid #edf1f7}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:24px;color:var(--bg-dark);flex-shrink:0}
.brand-icon{
  width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;
  box-shadow:0 6px 16px rgba(30,111,255,.3);
}
.brand-text span{color:var(--primary)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:#f1f4f9;color:var(--text-main);font-size:20px;align-items:center;justify-content:center}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list a{
  display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:30px;
  font-weight:600;font-size:15px;color:#334155;white-space:nowrap;
}
.nav-list a:hover{color:var(--primary);background:rgba(30,111,255,.08)}
.nav-list a.active{
  background:linear-gradient(135deg,var(--primary),#0e8fff);color:#fff;
  box-shadow:0 6px 18px rgba(30,111,255,.32);
}
.nav-search{display:flex;align-items:center;background:#f1f4f9;border-radius:30px;padding:4px 4px 4px 16px;border:1px solid transparent;transition:var(--transition)}
.nav-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 4px 14px rgba(30,111,255,.12)}
.nav-search input{border:none;outline:none;background:transparent;font-size:14px;width:140px;color:var(--text-main)}
.nav-search button{
  width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;display:flex;align-items:center;justify-content:center;transition:var(--transition);
}
.nav-search button:hover{transform:scale(1.06)}

/* ===== Article Banner ===== */
.article-banner{
  background:linear-gradient(120deg,rgba(10,22,40,.92) 0%,rgba(20,48,80,.82) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:54px 0 54px;color:#fff;position:relative;overflow:hidden;
}
.article-banner::after{
  content:'';position:absolute;bottom:-60px;right:-40px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(0,196,167,.25),transparent 70%);border-radius:50%;
}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.65);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:12px}
.article-banner h1{
  font-size:clamp(24px,4vw,38px);font-weight:800;max-width:860px;line-height:1.35;
  text-shadow:0 4px 18px rgba(0,0,0,.3);margin-bottom:14px;
}
.article-banner .banner-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;color:rgba(255,255,255,.75)}
.article-banner .banner-meta i{margin-right:5px;color:var(--accent)}
.article-banner .badge-cat{
  display:inline-flex;align-items:center;gap:6px;padding:5px 16px;border-radius:20px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);
  font-size:13px;font-weight:600;
}

/* ===== Article Main ===== */
.article-main{padding:44px 0 64px}
.article-card{
  background:var(--bg-white);border-radius:20px;padding:40px 44px;
  box-shadow:var(--shadow-md);border:1px solid rgba(227,233,242,.6);
}
.article-body{font-size:16.5px;line-height:2;color:#2d3b4e}
.article-body p{margin-bottom:22px}
.article-body h2,.article-body h3,.article-body h4{color:var(--bg-dark);margin:32px 0 16px}
.article-body h2{font-size:26px;border-left:4px solid var(--primary);padding-left:14px}
.article-body h3{font-size:21px}
.article-body img{border-radius:14px;margin:24px 0;box-shadow:var(--shadow-sm)}
.article-body ul,.article-body ol{margin:0 0 22px 24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  border-left:4px solid var(--primary);padding:14px 20px;background:#f0f5ff;
  border-radius:0 12px 12px 0;margin:24px 0;color:#334155;font-style:italic;
}
.article-body a{color:var(--primary);font-weight:600;border-bottom:1px dashed var(--primary)}
.article-body a:hover{color:var(--primary-dark);border-bottom-style:solid}

.article-tags{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;padding-top:24px;
  border-top:1px solid var(--border-color);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:24px;
  background:#f0f4fb;color:#334155;font-size:13px;font-weight:600;transition:var(--transition);
}
.tag:hover{background:var(--primary);color:#fff}

.not-found{
  background:var(--bg-white);border-radius:20px;padding:72px 40px;text-align:center;
  box-shadow:var(--shadow-md);
}
.not-found .nf-icon{
  width:90px;height:90px;border-radius:50%;background:#f0f4fb;display:flex;
  align-items:center;justify-content:center;font-size:38px;color:var(--primary);margin:0 auto 24px;
}
.not-found h2{font-size:28px;margin-bottom:12px}
.not-found p{color:var(--text-muted);margin-bottom:28px}

/* ===== Sidebar ===== */
.sidebar-widget{
  background:var(--bg-white);border-radius:16px;padding:26px;margin-bottom:24px;
  box-shadow:var(--shadow-sm);border:1px solid rgba(227,233,242,.6);
}
.sidebar-widget h3{
  font-size:18px;font-weight:700;margin-bottom:18px;padding-bottom:12px;
  border-bottom:2px solid #f0f3f8;position:relative;color:var(--bg-dark);
}
.sidebar-widget h3::after{
  content:'';position:absolute;bottom:-2px;left:0;width:42px;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:4px;
}
.side-info-item{
  display:flex;align-items:flex-start;gap:12px;padding:10px 0;
  border-bottom:1px dashed #edf0f6;font-size:14px;color:var(--text-muted);
}
.side-info-item:last-child{border-bottom:none}
.side-info-item i{color:var(--primary);margin-top:4px;width:18px;text-align:center}
.sidebar-cat-list li{margin-bottom:10px}
.sidebar-cat-list a{
  display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:12px;
  background:#f8fafc;border:1px solid var(--border-color);font-size:14px;font-weight:600;color:#334155;
  transition:var(--transition);
}
.sidebar-cat-list a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateX(4px)}
.sidebar-cat-list a i{width:20px;text-align:center}
.sidebar-service{
  background:linear-gradient(135deg,var(--bg-dark),#1a2a4a);color:#fff;
  border-radius:16px;padding:28px 24px;text-align:center;
}
.sidebar-service i{font-size:36px;color:var(--accent);margin-bottom:14px}
.sidebar-service h4{font-size:18px;margin-bottom:8px}
.sidebar-service p{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px}

/* ===== Recommend Section ===== */
.recommend-section{padding:64px 0;background:var(--bg-white);border-top:1px solid var(--border-color)}
.section-title{font-size:30px;font-weight:800;text-align:center;margin-bottom:10px;color:var(--bg-dark)}
.section-title span{color:var(--primary)}
.section-subtitle{text-align:center;color:var(--text-muted);margin-bottom:40px;max-width:680px;margin-left:auto;margin-right:auto}
.reco-card{
  background:var(--bg-white);border-radius:18px;overflow:hidden;border:1px solid var(--border-color);
  box-shadow:var(--shadow-sm);transition:var(--transition);height:100%;display:flex;flex-direction:column;
}
.reco-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.reco-card .reco-img{position:relative;overflow:hidden;aspect-ratio:16/10}
.reco-card .reco-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.reco-card:hover .reco-img img{transform:scale(1.06)}
.reco-card .reco-img::after{
  content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(13,27,46,.4));pointer-events:none;
}
.reco-body{padding:24px;flex:1;display:flex;flex-direction:column}
.reco-body .reco-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--primary);
  background:#eef4ff;padding:4px 12px;border-radius:20px;align-self:flex-start;margin-bottom:12px;
}
.reco-body h3{font-size:19px;font-weight:700;margin-bottom:10px;color:var(--bg-dark);line-height:1.45}
.reco-body p{font-size:14px;color:var(--text-muted);flex:1;margin-bottom:16px;line-height:1.7}
.reco-body .reco-link{color:var(--primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.reco-body .reco-link:hover{gap:12px}

/* ===== FAQ ===== */
.faq-section{padding:64px 0;background:var(--bg-light)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.faq-item{
  background:var(--bg-white);border-radius:16px;padding:24px 28px;border:1px solid var(--border-color);
  box-shadow:var(--shadow-sm);transition:var(--transition);
}
.faq-item:hover{box-shadow:var(--shadow-md);border-color:var(--primary)}
.faq-item h3{font-size:16px;font-weight:700;color:var(--bg-dark);margin-bottom:10px;display:flex;align-items:flex-start;gap:10px}
.faq-item h3 i{color:var(--primary);margin-top:3px}
.faq-item p{font-size:14px;color:var(--text-muted);line-height:1.85;padding-left:24px}

/* ===== CTA ===== */
.cta-section{
  padding:70px 0;background:linear-gradient(120deg,#0c1830,#123457 60%,#14505e);
  color:#fff;position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;top:-100px;right:-60px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(0,196,167,.22),transparent 65%);border-radius:50%;
}
.cta-section::after{
  content:'';position:absolute;bottom:-80px;left:-40px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(30,111,255,.25),transparent 60%);border-radius:50%;
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:680px;margin:0 auto}
.cta-inner h2{font-size:34px;font-weight:800;margin-bottom:16px}
.cta-inner h2 span{color:var(--accent)}
.cta-inner p{color:rgba(255,255,255,.78);margin-bottom:32px;font-size:16px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.75);font-size:14px}
.footer-top{padding:56px 0 40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand .brand{margin-bottom:16px;color:#fff}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.65);max-width:340px}
.footer-col h4{
  color:#fff;font-size:17px;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;width:32px;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:4px;
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:rgba(255,255,255,.65);font-size:14px;transition:var(--transition)}
.footer-col ul a:hover{color:var(--accent);padding-left:5px}
.footer-contact-list li{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:14px;color:rgba(255,255,255,.65)}
.footer-contact-list i{color:var(--accent);width:20px;text-align:center}
.footer-bottom{padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom p{margin:0}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--accent)}

/* ===== Table ===== */
.footer-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.footer-table th,.footer-table td{padding:10px 14px;border:1px solid var(--border-color);text-align:left}
.footer-table th{background:#f0f4fb;font-weight:700}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .nav-toggle{display:flex}
  .nav-list{
    display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-white);
    flex-direction:column;padding:16px 24px;gap:6px;box-shadow:0 24px 40px rgba(13,27,46,.15);
    border-top:1px solid var(--border-color);
  }
  .nav-list.open{display:flex}
  .nav-list a{width:100%;justify-content:flex-start;padding:14px 16px;border-radius:12px}
  .nav-search{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .faq-grid{grid-template-columns:1fr}
  .article-card{padding:28px 24px}
}
@media(max-width:768px){
  .topbar-msg{display:none}
  .topbar-inner{justify-content:center}
  .article-main{padding:28px 0 48px}
  .article-card{padding:22px 18px;border-radius:14px}
  .article-banner{padding:36px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner h2{font-size:26px}
  .section-title{font-size:24px}
  .bar-meta{flex-wrap:wrap;gap:10px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:20px}
  .brand-icon{width:38px;height:38px;font-size:18px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-top{padding:40px 0 28px}
  .footer-brand p{max-width:100%}
  .footer-col h4{margin-bottom:14px}
  .article-card{padding:18px 14px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:22px}
  .reco-card .reco-body{padding:18px}
  .cta-btns{flex-direction:column}
  .btn{width:100%}
}

/* roulang page: category1 */
:root {
    --primary: #c9a227;
    --primary-dark: #9a7d1f;
    --primary-light: #f5ead0;
    --dark-bg: #171320;
    --dark-bg-2: #211b30;
    --light-bg: #f8f6f1;
    --white: #ffffff;
    --text-main: #1f2430;
    --text-weak: #6f7680;
    --text-on-dark: #ece7dd;
    --border: #e6e0d2;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 10px 40px rgba(20, 16, 10, 0.08);
    --shadow-hover: 0 18px 50px rgba(20, 16, 10, 0.14);
    --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; line-height: 1.7; color: var(--text-main); background: var(--light-bg); }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.grid-container { max-width: 1200px; }
.section { padding: 80px 0; }
.section-pad { padding: 80px 0; }
.section-light { background: var(--light-bg); }
.section-white { background: var(--white); }
.section-dark { background: var(--dark-bg); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--primary); background: var(--primary-light); padding: 6px 18px; border-radius: 40px; margin-bottom: 16px; }
.section-title { font-size: 36px; font-weight: 800; line-height: 1.25; margin-bottom: 14px; color: var(--text-main); }
.section-desc { font-size: 16px; color: var(--text-weak); line-height: 1.7; }
.section-head.light .section-title { color: var(--text-on-dark); }
.section-head.light .section-desc { color: rgba(236, 231, 221, 0.7); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 15px; font-weight: 600; padding: 13px 30px; border-radius: 60px; transition: var(--transition); border: 2px solid transparent; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 20px rgba(201, 162, 39, 0.3); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 10px 30px rgba(201, 162, 39, 0.4); transform: translateY(-3px); }
.btn-light { background: #fff; color: var(--primary); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1); }
.btn-light:hover { background: var(--primary-light); transform: translateY(-3px); }
.btn-outline { border-color: rgba(236, 231, 221, 0.4); color: var(--text-on-dark); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(201, 162, 39, 0.1); transform: translateY(-3px); }
.btn-large { padding: 16px 42px; font-size: 16px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.topbar { background: var(--dark-bg); color: rgba(236, 231, 221, 0.85); font-size: 13px; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 38px; flex-wrap: wrap; gap: 8px; }
.topbar-domain, .topbar-msg, .topbar-action { display: inline-flex; align-items: center; gap: 6px; }
.topbar-msg { color: rgba(236, 231, 221, 0.7); }
.topbar-message i { color: var(--primary); }
.topbar-action { color: var(--primary); font-weight: 600; padding: 2px 0; border-bottom: 1px solid transparent; }
.topbar-action:hover { border-color: var(--primary); }
.main-nav { background: #fff; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 20px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 24px; color: var(--text-main); }
.brand-icon { width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; box-shadow: 0 4px 14px rgba(201,162,39,0.35); }
.brand-text { font-size: 22px; letter-spacing: 0.5px; }
.brand-text span { color: var(--primary); }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-list li a { display: flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 500; color: var(--text-main); padding: 10px 18px; border-radius: 30px; transition: var(--transition); }
.nav-list li a:hover { background: var(--primary-light); color: var(--primary-dark); }
.nav-list li a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(201,162,39,0.3); }
.nav-toggle { display: none; font-size: 22px; color: var(--text-main); width: 44px; height: 44px; border-radius: 10px; transition: var(--transition); }
.nav-toggle:hover { background: var(--primary-light); }
.nav-search { display: flex; align-items: center; background: var(--light-bg); border: 1px solid var(--border); border-radius: 30px; padding: 4px 6px 4px 18px; transition: var(--transition); }
.nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(201,162,39,0.12); }
.nav-search input { border: none; background: transparent; font-size: 14px; width: 150px; color: var(--text-main); }
.nav-search input::placeholder { color: var(--text-weak); }
.nav-search button { width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.nav-search button:hover { background: var(--primary-dark); }

/* Page Hero */
.page-hero { position: relative; background-size: cover; background-position: center; background-image: url('/assets/images/backpic/back-2.png'); padding: 110px 0 100px; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(23,19,32,0.92) 0%, rgba(23,19,32,0.7) 60%, rgba(23,19,32,0.4) 100%); }
.hero-overlay { position: absolute; inset: 0; }
.hero-content { position: relative; z-index: 2; color: var(--text-on-dark); max-width: 680px; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--primary); background: rgba(201,162,39,0.15); border: 1px solid rgba(201,162,39,0.4); padding: 6px 20px; border-radius: 40px; margin-bottom: 24px; }
.hero-content h1 { font-size: 46px; font-weight: 900; line-height: 1.15; margin-bottom: 18px; }
.hero-content h1 span { color: var(--primary); }
.hero-content p { font-size: 18px; color: rgba(236, 231, 221, 0.8); line-height: 1.7; margin-bottom: 30px; max-width: 560px; }
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

/* About */
.about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.about-media img { width: 100%; height: 420px; object-fit: cover; transition: transform 0.5s ease; }
.about-media:hover img { transform: scale(1.03); }
.about-media::after { content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 40%; background: linear-gradient(transparent, rgba(23,19,32,0.4)); }
.media-badge { position: absolute; top: 20px; left: 20px; z-index: 2; background: rgba(255,255,255,0.92); color: var(--primary-dark); font-weight: 700; font-size: 14px; padding: 8px 18px; border-radius: 30px; box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.about-content h2 { font-size: 32px; font-weight: 800; margin-bottom: 20px; line-height: 1.3; }
.about-content h2 span { color: var(--primary); }
.about-content p { color: var(--text-weak); margin-bottom: 16px; line-height: 1.8; }
.about-list { margin-top: 24px; display: grid; grid-template-columns: 1fr; gap: 12px; }
.about-point { display: flex; align-items: flex-start; gap: 12px; padding: 14px 18px; background: var(--light-bg); border-radius: var(--radius-sm); border-left: 4px solid var(--primary); }
.about-point i { color: var(--primary); font-size: 18px; margin-top: 2px; }
.about-point span { font-size: 15px; color: var(--text-main); font-weight: 500; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 36px 24px; text-align: center; transition: var(--transition); }
.stat-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-6px); border-color: rgba(201,162,39,0.4); }
.stat-icon { font-size: 28px; color: var(--primary); margin-bottom: 14px; }
.stat-number { font-size: 42px; font-weight: 900; color: var(--white); line-height: 1.2; }
.stat-number span { color: var(--primary); }
.stat-label { font-size: 14px; color: rgba(236,231,221,0.65); margin-top: 8px; letter-spacing: 0.5px; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card { background: var(--white); border-radius: var(--radius); padding: 34px 28px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); position: relative; overflow: hidden; }
.feature-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--primary), var(--primary-light)); opacity: 0; transition: var(--transition); }
.feature-card:hover::before { opacity: 1; }
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.feature-icon { width: 64px; height: 64px; border-radius: 16px; background: linear-gradient(135deg, var(--primary-light), #fdf6e7); display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--primary); margin-bottom: 20px; transition: var(--transition); }
.feature-card:hover .feature-icon { transform: scale(1.08) rotate(-4deg); }
.feature-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-text { font-size: 14px; color: var(--text-weak); line-height: 1.7; }

/* News */
.news-list { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 960px; margin: 0 auto; }
.news-card { display: flex; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.news-cover { width: 260px; min-height: 180px; flex-shrink: 0; position: relative; overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .news-cover img { transform: scale(1.06); }
.news-body { padding: 26px 30px; display: flex; flex-direction: column; justify-content: center; }
.news-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; color: var(--primary); background: var(--primary-light); padding: 4px 14px; border-radius: 30px; margin-bottom: 12px; align-self: flex-start; }
.news-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; transition: var(--transition); }
.news-title:hover { color: var(--primary); }
.news-excerpt { font-size: 14px; color: var(--text-weak); margin-bottom: 12px; line-height: 1.6; }
.news-meta { font-size: 13px; color: var(--text-weak); display: flex; align-items: center; gap: 8px; }

/* Timeline */
.timeline { max-width: 720px; margin: 0 auto; position: relative; padding-left: 40px; }
.timeline::before { content: ""; position: absolute; left: 12px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--primary), var(--primary-light), transparent); }
.timeline-item { position: relative; padding: 0 0 40px 24px; }
.timeline-item::before { content: ""; position: absolute; left: -35px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--white); border: 4px solid var(--primary); box-shadow: 0 0 0 4px rgba(201,162,39,0.15); z-index: 1; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-year { display: inline-block; font-size: 14px; font-weight: 800; color: var(--primary-dark); background: var(--primary-light); padding: 4px 16px; border-radius: 30px; margin-bottom: 8px; }
.timeline-title { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.timeline-text { font-size: 14px; color: var(--text-weak); line-height: 1.7; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--primary); box-shadow: 0 4px 20px rgba(201,162,39,0.1); }
.faq-item summary { display: flex; justify-content: space-between; align-items: center; font-size: 15px; font-weight: 600; padding: 20px 24px; cursor: pointer; 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; font-size: 13px; color: var(--primary); transition: transform 0.3s ease; }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] summary { color: var(--primary); }
.faq-item p { padding: 0 24px 20px; font-size: 14px; color: var(--text-weak); line-height: 1.7; }

/* CTA */
.cta-section { padding: 100px 0; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; position: relative; }
.cta-section::before { content: ""; position: absolute; inset: 0; background: linear-gradient(130deg, rgba(23,19,32,0.94), rgba(23,19,32,0.75)); }
.cta-box { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; text-align: center; color: var(--text-on-dark); }
.cta-title { font-size: 36px; font-weight: 900; margin-bottom: 16px; }
.cta-title span { color: var(--primary); }
.cta-desc { font-size: 16px; color: rgba(236,231,221,0.75); margin-bottom: 30px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-note { margin-top: 20px; font-size: 13px; color: rgba(236,231,221,0.5); }

/* Footer */
.site-footer { background: var(--dark-bg-2); color: rgba(236,231,221,0.7); }
.footer-top { padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand .brand { color: var(--text-on-dark); margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 320px; color: rgba(236,231,221,0.6); }
.footer-col h4 { font-size: 16px; font-weight: 700; color: var(--text-on-dark); margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 32px; height: 3px; background: var(--primary); border-radius: 4px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(236,231,221,0.6); transition: var(--transition); display: inline-block; }
.footer-col ul li a:hover { color: var(--primary); transform: translateX(4px); }
.footer-contact-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(236,231,221,0.6); }
.footer-contact-list li i { color: var(--primary); width: 18px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 22px 0; text-align: center; font-size: 13px; color: rgba(236,231,221,0.4); }
.footer-bottom a { color: var(--primary); }

/* Responsive */
@media (max-width: 1024px) {
    .container { padding: 0 28px; }
    .section { padding: 64px 0; }
    .section-pad { padding: 64px 0; }
    .nav-list li a { padding: 10px 12px; font-size: 14px; }
    .nav-search input { width: 110px; }
    .hero-content h1 { font-size: 40px; }
    .about-wrap { gap: 40px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .news-cover { width: 220px; }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
    .section { padding: 50px 0; }
    .section-pad { padding: 50px 0; }
    .section-title { font-size: 28px; }
    .topbar-msg { display: none; }
    .nav-inner { flex-wrap: wrap; padding: 12px 0; min-height: auto; }
    .nav-toggle { display: flex; align-items: center; justify-content: center; }
    .nav-list { display: none; flex-direction: column; width: 100%; gap: 4px; padding-top: 10px; border-top: 1px solid var(--border); }
    .nav-list.open { display: flex; }
    .nav-list li a { width: 100%; padding: 14px 18px; font-size: 15px; }
    .nav-search { flex: 1; min-width: 180px; }
    .page-hero { padding: 80px 0 70px; }
    .hero-content h1 { font-size: 32px; }
    .hero-content p { font-size: 16px; }
    .about-wrap { grid-template-columns: 1fr; gap: 30px; }
    .about-media img { height: 300px; }
    .features-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .stat-number { font-size: 36px; }
    .news-card { flex-direction: column; }
    .news-cover { width: 100%; height: 200px; }
    .timeline { padding-left: 28px; }
    .timeline-item::before { left: -27px; width: 12px; height: 12px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .cta-title { font-size: 28px; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; }
}
@media (max-width: 520px) {
    .container { padding: 0 18px; }
    .stats-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-media img { height: 240px; }
    .stat-card { padding: 24px 16px; }
    .feature-card { padding: 26px 20px; }
    .faq-item summary { padding: 16px 18px; font-size: 14px; }
    .faq-item p { padding: 0 18px 16px; }
    .hero-content h1 { font-size: 28px; }
    .cta-buttons { flex-direction: column; }
    .cta-buttons .btn { width: 100%; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #d4263f;
  --primary-dark: #b01835;
  --gold: #f0b429;
  --dark: #0b1120;
  --dark-2: #131c30;
  --bg: #f4f5f9;
  --card-bg: #ffffff;
  --text: #1a1f36;
  --text-weak: #6e7591;
  --border: #e6e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.13);
  --shadow-primary: 0 8px 24px rgba(212, 38, 63, 0.28);
  --space-section: 90px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ========== 基础重置 ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
}

/* ========== 容器 ========== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== 顶部信息条 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
}

.topbar {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 40px;
  gap: 16px;
}

.topbar-domain,
.topbar-msg {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.topbar-domain i,
.topbar-msg i {
  color: var(--gold);
}

.topbar-action {
  color: var(--gold);
  border: 1px solid rgba(240, 180, 41, 0.4);
  border-radius: 20px;
  padding: 3px 16px;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.topbar-action:hover {
  background: rgba(240, 180, 41, 0.12);
  border-color: var(--gold);
}

/* ========== 主导航 ========== */
.main-nav {
  background: #fff;
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 76px;
  gap: 30px;
}

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

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 6px 18px rgba(212, 38, 63, 0.3);
}

.brand-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: 1px;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  color: var(--text);
  font-weight: 500;
  border-radius: 10px;
  font-size: 15px;
  white-space: nowrap;
}

.nav-list a i {
  font-size: 15px;
  color: var(--text-weak);
  transition: var(--transition);
}

.nav-list a:hover {
  background: rgba(212, 38, 63, 0.06);
  color: var(--primary);
}

.nav-list a:hover i {
  color: var(--primary);
}

.nav-list a.active {
  background: linear-gradient(135deg, rgba(212, 38, 63, 0.1), rgba(176, 24, 53, 0.05));
  color: var(--primary);
  font-weight: 600;
}

.nav-list a.active i {
  color: var(--primary);
}

.nav-search {
  display: flex;
  align-items: center;
  background: var(--bg);
  border-radius: 30px;
  padding: 4px 6px 4px 18px;
  border: 1px solid var(--border);
  max-width: 220px;
  margin-left: auto;
  transition: var(--transition);
}

.nav-search:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(212, 38, 63, 0.1);
}

.nav-search input {
  flex: 1;
  font-size: 14px;
  color: var(--text);
  background: transparent;
  min-width: 0;
}

.nav-search button {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}

.nav-search button:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--primary);
  color: #fff;
}

/* ========== 分类页 Hero ========== */
.cat-hero {
  position: relative;
  background-size: cover;
  background-position: center center;
  padding: 120px 0 100px;
  color: #fff;
}

.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 17, 32, 0.92) 0%, rgba(11, 17, 32, 0.66) 55%, rgba(212, 38, 63, 0.28) 100%);
}

.cat-hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.cat-hero-tag {
  display: inline-block;
  background: rgba(240, 180, 41, 0.15);
  border: 1px solid rgba(240, 180, 41, 0.4);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  padding: 4px 16px;
  border-radius: 30px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.cat-hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.cat-hero p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  line-height: 1.8;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

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

.breadcrumb i {
  font-size: 10px;
}

.breadcrumb span {
  color: var(--gold);
}

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

.section-block + .section-block {
  padding-top: 0;
}

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

.section-tag {
  display: inline-block;
  background: rgba(212, 38, 63, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 4px 18px;
  border-radius: 30px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 10px;
}

.section-head h2 span {
  color: var(--primary);
}

.section-head p {
  font-size: 15px;
  color: var(--text-weak);
  max-width: 640px;
  margin: 0 auto;
}

/* 分隔装饰线 */
.section-divider {
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  border-radius: 4px;
  margin: 14px auto 0;
}

/* ========== 攻略分类卡片 ========== */
.guide-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.guide-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.guide-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 38, 63, 0.25);
}

.guide-card-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--dark-2);
}

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

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

.guide-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 17, 32, 0.65), transparent 60%);
}

.guide-card-icon {
  position: absolute;
  bottom: 14px;
  left: 18px;
  z-index: 2;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(212, 38, 63, 0.4);
}

.guide-card-body {
  padding: 22px 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.guide-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

.guide-card-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  flex: 1;
}

.guide-card-link {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}

.guide-card-link i {
  font-size: 12px;
  transition: transform 0.3s;
}

.guide-card-link:hover i {
  transform: translateX(4px);
}

/* ========== 最新攻略 + 热门榜单 ========== */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  align-items: start;
}

/* 文章列表 */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.article-item {
  display: flex;
  gap: 18px;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 14px;
  border: 1px solid var(--border);
  transition: var(--transition);
  align-items: center;
}

.article-item:hover {
  box-shadow: var(--shadow);
  transform: translateX(4px);
  border-color: rgba(212, 38, 63, 0.2);
}

.article-thumb {
  width: 180px;
  height: 120px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--dark-2);
}

.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.article-item:hover .article-thumb img {
  transform: scale(1.05);
}

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

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.article-tag {
  display: inline-block;
  background: rgba(212, 38, 63, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 20px;
}

.article-tag.tag-gold {
  background: rgba(240, 180, 41, 0.12);
  color: #b87b00;
}

.article-tag.tag-blue {
  background: rgba(23, 116, 230, 0.1);
  color: #1666d3;
}

.article-time {
  font-size: 12px;
  color: var(--text-weak);
}

.article-info h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-info h3 a:hover {
  color: var(--primary);
}

.article-info p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 热门榜单 */
.hot-panel {
  background: var(--dark);
  border-radius: var(--radius);
  padding: 28px 24px;
  color: #fff;
  position: sticky;
  top: 100px;
}

.hot-panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.hot-panel-head i {
  color: var(--gold);
  font-size: 22px;
}

.hot-panel-head h3 {
  font-size: 19px;
  font-weight: 700;
}

.hot-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hot-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  transition: var(--transition);
  border: 1px solid transparent;
}

.hot-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(240, 180, 41, 0.2);
  transform: translateX(4px);
}

.hot-index {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.6);
  flex-shrink: 0;
}

.hot-item:nth-child(1) .hot-index {
  background: linear-gradient(135deg, #f0b429, #d98e04);
  color: #fff;
}

.hot-item:nth-child(2) .hot-index {
  background: linear-gradient(135deg, #b8c4d0, #8b99a8);
  color: #fff;
}

.hot-item:nth-child(3) .hot-index {
  background: linear-gradient(135deg, #c8785a, #a85b3f);
  color: #fff;
}

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

.hot-info h4 {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.hot-info span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.hot-arrow {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

/* ========== 攻略流程 ========== */
.steps-section {
  background: var(--dark-2);
  color: #fff;
}

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

.steps-section .section-head p {
  color: rgba(255, 255, 255, 0.6);
}

.steps-section .section-tag {
  background: rgba(240, 180, 41, 0.12);
  color: var(--gold);
}

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

.step-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 34px 26px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-6px);
  border-color: rgba(240, 180, 41, 0.3);
}

.step-num {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 44px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.06);
  line-height: 1;
}

.step-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  box-shadow: 0 10px 24px rgba(212, 38, 63, 0.35);
}

.step-card:nth-child(2) .step-icon {
  background: linear-gradient(135deg, #e8591e, #c43d08);
  box-shadow: 0 10px 24px rgba(232, 89, 30, 0.35);
}

.step-card:nth-child(3) .step-icon {
  background: linear-gradient(135deg, var(--gold), #d98e04);
  box-shadow: 0 10px 24px rgba(240, 180, 41, 0.35);
}

.step-card:nth-child(4) .step-icon {
  background: linear-gradient(135deg, #2c9e6b, #1b7d4e);
  box-shadow: 0 10px 24px rgba(44, 158, 107, 0.35);
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
}

/* ========== 专题推荐 ========== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.topic-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--dark-2);
  display: block;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.topic-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.topic-card:hover img {
  transform: scale(1.08);
}

.topic-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 17, 32, 0.85), rgba(11, 17, 32, 0.15) 60%, transparent);
}

.topic-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px;
  z-index: 2;
  color: #fff;
}

.topic-body .topic-label {
  display: inline-block;
  font-size: 12px;
  background: rgba(240, 180, 41, 0.2);
  border: 1px solid rgba(240, 180, 41, 0.35);
  color: var(--gold);
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.topic-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}

.topic-body p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 12px;
}

.topic-more {
  font-size: 13px;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(212, 38, 63, 0.25);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  color: var(--dark);
  font-size: 15px;
  list-style: none;
}

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

.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 13px;
  color: var(--text-weak);
  transition: transform 0.3s;
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 100px 0;
  color: #fff;
  text-align: center;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 17, 32, 0.92), rgba(212, 38, 63, 0.72));
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(212, 38, 63, 0.4);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(212, 38, 63, 0.5);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
  transform: translateY(-3px);
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
}

.footer-top {
  padding: 60px 0 40px;
}

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

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
}

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

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

.footer-col ul a {
  color: rgba(255, 255, 255, 0.55);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

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

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-contact-list i {
  width: 30px;
  height: 30px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--gold);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
}

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

/* ========== 响应式断点 ========== */
@media screen and (max-width: 1024px) {
  :root {
    --space-section: 72px;
  }

  .nav-inner {
    height: 68px;
  }

  .brand-text {
    font-size: 20px;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px;
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.12);
    border-top: 1px solid var(--border);
  }

  .nav-list.open {
    display: flex;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-list a {
    padding: 14px 16px;
    border-radius: 10px;
    width: 100%;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .nav-search {
    display: none;
  }

  .guide-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .split-layout {
    grid-template-columns: 1fr;
  }

  .hot-panel {
    position: static;
  }

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

  .cat-hero h1 {
    font-size: 34px;
  }
}

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

  .topbar-inner {
    flex-wrap: wrap;
    justify-content: center;
    padding: 8px 0;
    text-align: center;
  }

  .topbar-domain {
    display: none;
  }

  .nav-inner {
    gap: 16px;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .cat-hero {
    padding: 70px 0 60px;
  }

  .cat-hero h1 {
    font-size: 28px;
  }

  .guide-card-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .article-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

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

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

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

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

  .cta-content h2 {
    font-size: 28px;
  }
}

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

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

  .nav-inner {
    height: 60px;
  }

  .brand-text {
    font-size: 18px;
  }

  .nav-toggle {
    width: 36px;
    height: 36px;
  }

  .cat-hero {
    padding: 50px 0 44px;
  }

  .cat-hero h1 {
    font-size: 24px;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }

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

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

/* roulang page: category3 */
/* ===== 设计变量 ===== */
:root {
  --primary: #c8a355;
  --primary-dark: #a9873d;
  --primary-light: #e2c98c;
  --dark: #12141a;
  --dark-soft: #1c1f27;
  --body-bg: #f6f3ee;
  --text-main: #27282c;
  --text-muted: #7a7e87;
  --border: #e8e1d5;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(18, 20, 26, 0.05);
  --shadow: 0 8px 30px rgba(18, 20, 26, 0.08);
  --shadow-lg: 0 18px 50px rgba(18, 20, 26, 0.12);
  --transition: 0.3s ease;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--body-bg);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-dark); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
button { cursor: pointer; border: none; background: none; }
ul { list-style: none; margin: 0; padding: 0; }
input, button, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部信息条 ===== */
.topbar {
  background: #0c0e12;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 13px;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 40px;
  gap: 16px;
  color: rgba(255, 255, 255, 0.7);
  flex-wrap: wrap;
}
.topbar-domain { display: flex; align-items: center; gap: 7px; font-weight: 600; color: var(--primary-light); }
.topbar-msg { display: flex; align-items: center; gap: 7px; }
.topbar-msg i { color: var(--primary); }
.topbar-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-weight: 600;
  padding: 5px 14px;
  border: 1px solid rgba(200, 163, 85, 0.4);
  border-radius: 20px;
  transition: var(--transition);
}
.topbar-action:hover { background: rgba(200, 163, 85, 0.12); color: #fff; }

/* ===== 主导航 ===== */
.main-nav {
  background: #14161c;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 18px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}
.brand:hover { color: #fff; }
.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #12141a;
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(200, 163, 85, 0.35);
}
.brand-text span { color: var(--primary-light); }

.nav-toggle {
  display: none;
  font-size: 22px;
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition);
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.06); }

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
}
.nav-list a i { color: rgba(255, 255, 255, 0.5); transition: var(--transition); }
.nav-list a:hover { color: var(--primary-light); background: rgba(255, 255, 255, 0.05); }
.nav-list a:hover i { color: var(--primary); }
.nav-list a.active { color: #12141a; background: linear-gradient(135deg, var(--primary-light), var(--primary)); box-shadow: 0 4px 16px rgba(200, 163, 85, 0.35); }
.nav-list a.active i { color: #12141a; }

.nav-search {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  overflow: hidden;
  transition: var(--transition);
}
.nav-search:focus-within { border-color: var(--primary); background: rgba(255, 255, 255, 0.12); }
.nav-search input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  padding: 8px 16px;
  font-size: 14px;
  width: 190px;
}
.nav-search input::placeholder { color: rgba(255, 255, 255, 0.4); }
.nav-search button {
  width: 42px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 14px;
  transition: var(--transition);
}
.nav-search button:hover { background: rgba(200, 163, 85, 0.2); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 28px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn i { font-size: 15px; }
.btn-gold {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: #12141a;
  box-shadow: 0 6px 20px rgba(200, 163, 85, 0.35);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(200, 163, 85, 0.45); color: #12141a; }
.btn-ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.15); color: #fff; transform: translateY(-2px); }
.btn-dark-gold {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: #12141a;
  box-shadow: 0 6px 22px rgba(200, 163, 85, 0.4);
}
.btn-dark-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(200, 163, 85, 0.5); color: #12141a; }

/* ===== 页面 Hero ===== */
.page-hero {
  position: relative;
  padding: 120px 0 110px;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(10, 12, 16, 0.92) 20%, rgba(12, 14, 18, 0.55) 60%, rgba(18, 20, 26, 0.35));
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero-content { max-width: 720px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(200, 163, 85, 0.16);
  border: 1px solid rgba(200, 163, 85, 0.35);
  border-radius: 30px;
  color: var(--primary-light);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero-badge i { font-size: 15px; }
.page-hero h1 {
  font-size: 52px;
  line-height: 1.2;
  font-weight: 900;
  margin: 0 0 20px;
  letter-spacing: 2px;
}
.page-hero h1 span { color: var(--primary-light); }
.page-hero p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 0 30px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.hero-stat strong {
  display: block;
  font-size: 30px;
  font-weight: 900;
  color: var(--primary-light);
  line-height: 1.2;
}
.hero-stat span { font-size: 14px; color: rgba(255, 255, 255, 0.6); }

/* ===== 通用板块 ===== */
.section { padding: 88px 0; }
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(200, 163, 85, 0.12);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-tag i { font-size: 14px; }
.section-head h2 {
  font-size: 34px;
  font-weight: 900;
  margin: 0 0 12px;
  color: var(--dark);
  letter-spacing: 1px;
}
.section-head p { font-size: 15px; color: var(--text-muted); margin: 0; }
.section-head.light h2 { color: #fff; }
.section-head.light p { color: rgba(255, 255, 255, 0.6); }
.section-head.light .section-tag { color: var(--primary-light); background: rgba(255, 255, 255, 0.08); }

/* ===== 精选活动卡片 ===== */
.events-section { background: var(--body-bg); }
.events-grid { margin-bottom: -30px; }
.events-grid .cell { margin-bottom: 30px; }
.event-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.event-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(200, 163, 85, 0.4); }
.event-card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.event-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.event-card:hover .event-card-img img { transform: scale(1.05); }
.event-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 12, 16, 0.35), transparent 55%);
}
.event-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 13px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: #12141a;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}
.event-hot {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(6px);
}
.event-hot i { color: #ff6b6b; font-size: 11px; }
.event-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.event-card-body h3 { font-size: 20px; font-weight: 800; margin: 0 0 10px; color: var(--dark); }
.event-card-body p { font-size: 14px; color: var(--text-muted); margin: 0 0 20px; flex: 1; }
.event-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.event-meta span { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.event-meta i { color: var(--primary); }
.event-link { font-size: 14px; font-weight: 700; color: var(--primary-dark); display: flex; align-items: center; gap: 6px; }
.event-link:hover { color: var(--primary); gap: 10px; }

/* ===== 活动动态列表 ===== */
.activity-section {
  position: relative;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.activity-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(12, 14, 18, 0.88);
}
.activity-section .container { position: relative; z-index: 1; }
.activity-list { max-width: 900px; margin: 0 auto; }
.activity-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 16px;
  transition: var(--transition);
}
.activity-item:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(200, 163, 85, 0.35); transform: translateX(4px); }
.activity-thumb {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}
.activity-thumb img { width: 100%; height: 100%; object-fit: cover; }
.activity-info { flex: 1; min-width: 0; }
.activity-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(200, 163, 85, 0.18);
  color: var(--primary-light);
  border: 1px solid rgba(200, 163, 85, 0.3);
  margin-bottom: 4px;
}
.activity-info h3 { font-size: 17px; font-weight: 700; margin: 4px 0 4px; color: #fff; }
.activity-info p { font-size: 13px; color: rgba(255, 255, 255, 0.55); margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.activity-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  font-weight: 600;
}
.activity-date i { color: var(--primary-light); font-size: 14px; }

/* ===== 领取流程 ===== */
.steps-section { background: var(--white); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.step-item {
  text-align: center;
  padding: 36px 24px;
  background: var(--body-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  transition: var(--transition);
}
.step-item:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(200, 163, 85, 0.4); }
.step-num {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 46px;
  font-weight: 900;
  color: rgba(200, 163, 85, 0.14);
  line-height: 1;
}
.step-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #12141a;
  box-shadow: 0 8px 24px rgba(200, 163, 85, 0.3);
}
.step-item h3 { font-size: 18px; font-weight: 800; margin: 0 0 8px; color: var(--dark); }
.step-item p { font-size: 14px; color: var(--text-muted); margin: 0; }

/* ===== 热门排行 ===== */
.rank-section { background: var(--dark); }
.rank-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.rank-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 30px;
}
.rank-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; }
.rank-card-head i { color: var(--primary); font-size: 20px; }
.rank-card-head h3 { font-size: 18px; font-weight: 800; color: #fff; margin: 0; }
.rank-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.rank-list-item:last-child { border-bottom: none; padding-bottom: 0; }
.rank-num {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  flex-shrink: 0;
}
.rank-list-item:nth-child(1) .rank-num,
.rank-list-item:nth-child(2) .rank-num,
.rank-list-item:nth-child(3) .rank-num {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: #12141a;
  box-shadow: 0 4px 14px rgba(200, 163, 85, 0.3);
}
.rank-info { flex: 1; min-width: 0; }
.rank-info h4 { font-size: 15px; font-weight: 700; color: #fff; margin: 0 0 6px; }
.rank-bar { height: 4px; border-radius: 4px; background: rgba(255, 255, 255, 0.1); overflow: hidden; }
.rank-bar span { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.rank-meta { text-align: right; flex-shrink: 0; }
.rank-meta strong { display: block; font-size: 18px; color: var(--primary-light); }
.rank-meta small { font-size: 11px; color: rgba(255, 255, 255, 0.4); }

/* ===== FAQ ===== */
.faq-section { background: var(--body-bg); }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 1000px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); border-color: rgba(200, 163, 85, 0.35); }
.faq-item h3 { display: flex; align-items: flex-start; gap: 12px; font-size: 16px; font-weight: 800; color: var(--dark); margin: 0 0 12px; }
.faq-item h3 i { color: var(--primary); font-size: 18px; margin-top: 2px; }
.faq-item p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section { background: var(--dark); position: relative; overflow: hidden; }
.cta-section::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 163, 85, 0.15), transparent 60%);
  top: -150px;
  right: -150px;
}
.cta-section::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05), transparent 60%);
  bottom: -140px;
  left: -100px;
}
.cta-card { text-align: center; position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-card h2 { font-size: 34px; font-weight: 900; color: #fff; margin: 0 0 16px; letter-spacing: 1px; }
.cta-card h2 span { color: var(--primary-light); }
.cta-card p { font-size: 16px; color: rgba(255, 255, 255, 0.7); margin: 0 0 32px; }
.cta-tags { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.cta-tags span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-weight: 600;
}
.cta-tags i { color: var(--primary-light); font-size: 13px; }

/* ===== 页脚 ===== */
.site-footer { background: #0c0e12; color: rgba(255, 255, 255, 0.65); }
.footer-top { padding: 70px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; }
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin: 0; max-width: 340px; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin: 0 0 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--primary); border-radius: 2px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--primary-light); transform: translateX(4px); }
.footer-contact-list li { display: flex; align-items: center; gap: 9px; font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-bottom: 12px; }
.footer-contact-list i { color: var(--primary-light); font-size: 14px; width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 22px 0;
  text-align: center;
}
.footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, 0.4); margin: 0; }
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: var(--primary-light); }

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .nav-inner { flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px 0 6px;
  }
  .nav-list.open { display: flex; }
  .nav-list a { padding: 12px 16px; border-radius: 10px; }
  .nav-search { order: 2; margin-left: auto; width: 180px; }
  .nav-search input { width: 130px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .rank-grid { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media screen and (max-width: 768px) {
  .topbar-inner { justify-content: center; }
  .topbar-msg { display: none; }
  .container { padding: 0 18px; }
  .section { padding: 64px 0; }
  .page-hero { padding: 90px 0 80px; }
  .page-hero h1 { font-size: 34px; }
  .page-hero p { font-size: 15px; }
  .hero-actions { margin-bottom: 34px; }
  .hero-stats { gap: 28px; }
  .section-head { margin-bottom: 38px; }
  .section-head h2 { font-size: 27px; }
  .faq-grid { grid-template-columns: 1fr; }
  .activity-item { flex-wrap: wrap; }
  .activity-thumb { width: 64px; height: 64px; }
  .activity-info p { white-space: normal; }
  .activity-date { flex-direction: row; width: 100%; justify-content: flex-start; }
  .activity-date i { margin-left: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

@media screen and (max-width: 520px) {
  .nav-inner { gap: 8px; }
  .brand { font-size: 20px; }
  .brand-icon { width: 34px; height: 34px; font-size: 15px; }
  .nav-search { display: none; }
  .page-hero h1 { font-size: 28px; }
  .hero-badge { font-size: 12px; }
  .hero-stats { gap: 18px; }
  .hero-stat strong { font-size: 24px; }
  .steps-grid { grid-template-columns: 1fr; }
  .events-grid .cell { margin-bottom: 20px; }
  .event-card-body h3 { font-size: 18px; }
  .rank-card { padding: 22px; }
  .rank-info h4 { font-size: 14px; }
  .rank-meta strong { font-size: 15px; }
  .cta-card h2 { font-size: 26px; }
  .footer-top { padding: 50px 0 30px; }
}