/* roulang page: index */
:root {
  --primary: #c90e2d;
  --primary-dark: #a00a24;
  --primary-light: #e04060;
  --secondary: #141b2d;
  --accent: #e8a800;
  --bg-body: #f6f8fb;
  --bg-white: #ffffff;
  --bg-dark: #0f1626;
  --bg-dark-light: #1a2236;
  --text-main: #1e2735;
  --text-weak: #6b7a90;
  --text-invert: #ffffff;
  --border-color: #e3e9f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-xs: 0 2px 6px rgba(20, 27, 45, 0.05);
  --shadow-sm: 0 4px 14px rgba(20, 27, 45, 0.06);
  --shadow-md: 0 10px 28px rgba(20, 27, 45, 0.09);
  --shadow-lg: 0 18px 44px rgba(20, 27, 45, 0.13);
  --shadow-red: 0 12px 30px rgba(201, 14, 45, 0.20);
  --transition: 0.3s ease;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea, select { font-family: inherit; }
.container { max-width: 1250px; padding-left: 24px; padding-right: 24px; }

/* ===== Header ===== */
.site-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: var(--shadow-xs);
}
.header-top { border-bottom: 1px solid rgba(227, 233, 240, 0.7); }
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}
.brand-logo { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800;
  box-shadow: var(--shadow-red);
}
.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.brand-text span { color: var(--primary); }
.header-search { display: flex; align-items: center; flex: 1; max-width: 360px; }
.header-search input {
  width: 100%;
  border: 1px solid var(--border-color);
  border-right: none;
  border-radius: 10px 0 0 10px;
  padding: 8px 16px;
  font-size: 14px;
  background: var(--bg-body);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header-search input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(201, 14, 45, 0.10);
  background: #fff;
}
.search-btn {
  background: var(--primary);
  color: #fff;
  border-radius: 0 10px 10px 0;
  padding: 8px 16px;
  font-size: 15px;
  transition: background var(--transition);
}
.search-btn:hover { background: var(--primary-dark); }
.btn-header-cta {
  background: var(--secondary);
  color: #fff !important;
  border-radius: 10px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition);
}
.btn-header-cta:hover { background: #222c44; transform: translateY(-2px); }
.navbar-toggler {
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-main);
  font-size: 17px;
}
.header-nav { background: var(--bg-white); }
.channel-tabs {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  margin: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-tabs::-webkit-scrollbar { display: none; }
.channel-tabs li a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-weak);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.channel-tabs li a i { font-size: 14px; }
.channel-tabs li a:hover { color: var(--primary); }
.channel-tabs li.active a {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}
@media (max-width: 991.98px) {
  .header-top-inner { flex-wrap: wrap; padding: 12px 0; }
  .brand-text { font-size: 17px; }
  .header-nav { border-top: 1px solid var(--border-color); }
  .channel-tabs { flex-wrap: nowrap; padding: 6px 0; }
  .channel-tabs li a { padding: 10px 14px; font-size: 14px; }
}
@media (max-width: 575.98px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .brand-text { font-size: 16px; }
  .brand-mark { width: 36px; height: 36px; font-size: 18px; border-radius: 10px; }
  .channel-tabs li a { padding: 10px 12px; font-size: 13px; }
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center center;
  padding: 120px 0 110px;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(100deg, rgba(10, 16, 30, 0.94) 0%, rgba(15, 22, 38, 0.82) 45%, rgba(15, 22, 38, 0.45) 100%);
}
.hero-container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  border-radius: 30px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 500;
  backdrop-filter: blur(6px);
  margin-bottom: 24px;
}
.hero-badge i { color: var(--accent); }
.hero-title {
  color: #fff;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.hero-title span { color: var(--accent); }
.hero-subtitle {
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff !important;
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  box-shadow: var(--shadow-red);
  transition: all var(--transition);
}
.btn-hero-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(201, 14, 45, 0.30);
}
.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.30);
  color: #fff !important;
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  backdrop-filter: blur(4px);
  transition: all var(--transition);
}
.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
}
.hero-mini-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}
.hero-mini-stats span { display: inline-flex; align-items: center; gap: 6px; }
.hero-mini-stats i { color: var(--accent); }

/* ===== Sections ===== */
.section { padding: 90px 0; }
.section-sm { padding: 60px 0; }
.section-head { margin-bottom: 50px; }
.section-head.center { text-align: center; }
.section-sub {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: rgba(201, 14, 45, 0.08);
  border-radius: 30px;
  padding: 6px 16px;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 14px;
}
.section-desc {
  color: var(--text-weak);
  font-size: 16px;
  max-width: 680px;
  margin: 0 auto;
}
.section-head.left .section-desc { margin-left: 0; }

/* ===== Stats ===== */
.stats-wrap { margin-top: -56px; position: relative; z-index: 5; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(227, 233, 240, 0.6);
  display: flex;
  align-items: center;
  gap: 18px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.stat-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: rgba(201, 14, 45, 0.09);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.stat-number {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}
.stat-label { font-size: 13px; color: var(--text-weak); }

/* ===== About / Feature ===== */
.feature-section { background: var(--bg-white); }
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-media { position: relative; }
.feature-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
}
.feature-media::after {
  content: '';
  position: absolute;
  inset: 18px -18px -18px 18px;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(201, 14, 45, 0.15);
  z-index: 0;
  pointer-events: none;
}
.feature-media .media-inner { position: relative; z-index: 1; }
.feature-list { list-style: none; padding: 0; margin: 20px 0 0; }
.feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  color: var(--text-main);
  font-size: 15px;
}
.feature-list li i {
  color: var(--primary);
  width: 22px;
  text-align: center;
  font-size: 15px;
}
.feature-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--text-main);
  font-weight: 500;
  transition: all var(--transition);
}
.tag-pill:hover { border-color: var(--primary); color: var(--primary); background: rgba(201, 14, 45, 0.04); }
.tag-pill i { color: var(--primary); font-size: 12px; }

/* ===== Category Cards ===== */
.cat-section { background: var(--bg-body); }
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cat-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.cat-img { position: relative; overflow: hidden; height: 190px; }
.cat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.cat-card:hover .cat-img img { transform: scale(1.06); }
.cat-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 16, 30, 0.55) 100%);
}
.cat-icon {
  position: absolute;
  bottom: 14px; left: 18px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.94);
  color: var(--primary);
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
  box-shadow: var(--shadow-sm);
}
.cat-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.cat-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.cat-body p { color: var(--text-weak); font-size: 14px; line-height: 1.7; margin-bottom: 18px; flex: 1; }
.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  transition: gap var(--transition);
}
.cat-link:hover { gap: 14px; color: var(--primary-dark); }

/* ===== Function Grid ===== */
.func-section { background: var(--bg-white); }
.func-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.func-card {
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.func-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.func-card:hover::before { opacity: 1; }
.func-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); background: var(--bg-white); }
.func-icon {
  width: 50px; height: 50px;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  box-shadow: var(--shadow-red);
}
.func-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.func-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin: 0; }

/* ===== News ===== */
.news-section { background: var(--bg-body); }
.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.news-item {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(201, 14, 45, 0.3); }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.news-tag {
  display: inline-block;
  background: rgba(201, 14, 45, 0.09);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  padding: 3px 10px;
}
.news-date { font-size: 13px; color: var(--text-weak); }
.news-title { font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.news-title a:hover { color: var(--primary); }
.news-desc {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-top: auto;
}
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-color);
  color: var(--text-weak);
}

/* ===== Dashboard ===== */
.dashboard-section {
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  position: relative;
  color: #fff;
}
.dashboard-section .overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(120deg, rgba(10, 16, 30, 0.96) 0%, rgba(15, 22, 38, 0.92) 100%);
}
.dashboard-section .container { position: relative; z-index: 2; }
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.06fr 0.9fr;
  gap: 22px;
  margin-top: 44px;
}
.dboard-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(8px);
  transition: transform var(--transition);
}
.dboard-card:hover { transform: translateY(-4px); }
.dboard-card .dboard-title {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dboard-card .dboard-title i { color: var(--accent); }
.ring-wrap { display: flex; align-items: center; gap: 22px; }
.ring {
  width: 92px; height: 92px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) 0deg 210deg, rgba(255,255,255,0.12) 210deg 360deg);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ring-inner {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--bg-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: #fff;
}
.ring-label { font-size: 13px; color: rgba(255,255,255,0.65); line-height: 1.6; }
.ring-label b { font-size: 16px; color: #fff; }
.player-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.10);
  font-size: 14px;
}
.player-row:last-child { border-bottom: none; }
.player-row .p-name { color: #fff; font-weight: 500; }
.player-row .p-stat { color: var(--accent); font-weight: 700; }
.player-row .p-bar {
  flex: 1;
  margin: 0 12px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
  max-width: 100px;
}
.player-row .p-bar span { display: block; height: 100%; background: var(--accent); border-radius: 2px; }
.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 16px;
  margin: 0 8px 12px 0;
}
.status-w { background: rgba(40, 200, 120, 0.22); color: #6ee7b7; }
.status-d { background: rgba(180, 180, 180, 0.18); color: #d1d5db; }
.status-l { background: rgba(201, 14, 45, 0.25); color: #fca5a5; }
.dboard-foot { margin-top: 34px; text-align: center; }
.btn-dboard {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff !important;
  padding: 12px 30px;
  border-radius: 12px;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-dboard:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(201, 14, 45, 0.35); }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-white); }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.accordion-item {
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
.accordion-button {
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  background: var(--bg-white);
  border: none;
  transition: all var(--transition);
}
.accordion-button:not(.collapsed) {
  background: rgba(201, 14, 45, 0.06);
  color: var(--primary);
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(201, 14, 45, 0.12);
  border-color: var(--primary);
}
.accordion-button::after { transition: transform var(--transition); }
.accordion-body { padding: 6px 24px 22px; color: var(--text-weak); font-size: 15px; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section { background: var(--bg-body); }
.cta-box {
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  padding: 64px 48px;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(201, 14, 45, 0.93) 0%, rgba(160, 10, 36, 0.88) 100%);
}
.cta-box .cta-inner { position: relative; z-index: 2; text-align: center; }
.cta-title {
  color: #fff;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-desc {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  max-width: 540px;
  margin: 0 auto 30px;
  line-height: 1.8;
}
.cta-btn-group { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.btn-cta-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--primary) !important;
  padding: 13px 32px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  transition: all var(--transition);
}
.btn-cta-light:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(0, 0, 0, 0.20); }
.btn-cta-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  color: #fff !important;
  padding: 13px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  transition: all var(--transition);
}
.btn-cta-outline:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-3px); }

/* ===== Footer ===== */
.site-footer { background: var(--bg-dark); color: rgba(255, 255, 255, 0.65); }
.footer-top { padding: 64px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
.footer-brand { margin-bottom: 14px; }
.footer-brand .brand-mark { box-shadow: none; }
.footer-brand .brand-text { color: #fff; }
.footer-desc { font-size: 14px; line-height: 1.8; max-width: 300px; }
.footer-col h5 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.60);
  font-size: 14px;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.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);
}

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .func-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr 1fr; }
  .dashboard-grid .dboard-card:last-child { grid-column: 1 / -1; }
}
@media (max-width: 991.98px) {
  .section { padding: 68px 0; }
  .hero-section { padding: 90px 0 80px; }
  .feature-grid { grid-template-columns: 1fr; gap: 40px; }
  .cat-grid { grid-template-columns: 1fr; gap: 20px; }
  .news-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cta-box { padding: 50px 30px; }
}
@media (max-width: 767.98px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .stat-card { padding: 20px 16px; flex-direction: column; align-items: flex-start; gap: 10px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .dashboard-grid .dboard-card:last-child { grid-column: auto; }
  .func-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 15px; }
  .cta-box { padding: 40px 24px; }
  .cta-btn-group { flex-direction: column; align-items: center; }
}
@media (max-width: 575.98px) {
  .section { padding: 56px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cat-img { height: 170px; }
  .news-item { padding: 20px; }
  .dboard-card { padding: 22px; }
}

/* roulang page: category1 */
:root {
            --clr-primary: #c8102e;
            --clr-primary-hover: #a30d26;
            --clr-primary-soft: #fdeef0;
            --clr-dark: #17171a;
            --clr-dark-2: #232327;
            --clr-bg: #f6f6f4;
            --clr-card: #ffffff;
            --clr-text: #1d1d1f;
            --clr-muted: #70707a;
            --clr-border: #e6e6e8;
            --clr-accent: #d4a017;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, .06);
            --shadow: 0 8px 32px rgba(0, 0, 0, .08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, .12);
            --transition: all .25s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--clr-primary); }
        button { font-family: inherit; border: none; cursor: pointer; }
        input, textarea { font-family: inherit; }
        .container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
        .site-header { position: sticky; top: 0; z-index: 1050; background: #fff; box-shadow: 0 2px 16px rgba(0, 0, 0, .06); }
        .header-top { border-bottom: 1px solid var(--clr-border); }
        .header-top-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 16px; }
        .brand-logo { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
        .brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: linear-gradient(135deg, var(--clr-primary), #9e0d24); color: #fff; font-weight: 800; font-size: 22px; border-radius: 12px; box-shadow: 0 4px 16px rgba(200, 16, 46, .3); }
        .brand-text { font-size: 20px; font-weight: 800; color: var(--clr-dark); letter-spacing: .5px; line-height: 1.2; }
        .brand-text span { display: block; font-size: 13px; font-weight: 600; color: var(--clr-primary); letter-spacing: 2px; }
        .header-search { display: flex; align-items: center; background: var(--clr-bg); border: 1px solid var(--clr-border); border-radius: 40px; padding: 4px 4px 4px 16px; width: 320px; transition: var(--transition); }
        .header-search:focus-within { border-color: var(--clr-primary); box-shadow: 0 0 0 3px rgba(200, 16, 46, .12); background: #fff; }
        .header-search input { flex: 1; border: none; outline: none; background: transparent; font-size: 14px; color: var(--clr-text); }
        .header-search input::placeholder { color: #a0a0aa; }
        .search-btn { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: var(--clr-dark); color: #fff; transition: var(--transition); }
        .search-btn:hover { background: var(--clr-primary); }
        .btn-header-cta { display: inline-flex; align-items: center; background: var(--clr-primary); color: #fff !important; padding: 10px 22px; border-radius: 40px; font-size: 14px; font-weight: 600; transition: var(--transition); box-shadow: 0 4px 16px rgba(200, 16, 46, .25); }
        .btn-header-cta:hover { background: var(--clr-primary-hover); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(200, 16, 46, .35); }
        .navbar-toggler { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--clr-border); border-radius: 10px; background: #fff; color: var(--clr-dark); font-size: 18px; }
        .header-nav { border-bottom: 1px solid var(--clr-border); background: #fff; }
        .channel-tabs { list-style: none; display: flex; align-items: center; gap: 4px; padding: 8px 0; margin: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
        .channel-tabs::-webkit-scrollbar { display: none; }
        .channel-tabs li { flex-shrink: 0; }
        .channel-tabs a { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 40px; font-size: 15px; font-weight: 600; color: var(--clr-muted); background: transparent; transition: var(--transition); white-space: nowrap; }
        .channel-tabs a i { font-size: 15px; }
        .channel-tabs a:hover { color: var(--clr-primary); background: var(--clr-primary-soft); }
        .channel-tabs .active a { background: var(--clr-dark); color: #fff; box-shadow: 0 4px 14px rgba(0, 0, 0, .15); }
        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            padding: 110px 0 90px;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10, 10, 12, .9) 0%, rgba(10, 10, 12, .65) 60%, rgba(10, 10, 12, .35) 100%); }
        .page-hero .container { position: relative; z-index: 2; }
        .breadcrumb-custom { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, .75); margin-bottom: 22px; }
        .breadcrumb-custom a { color: rgba(255, 255, 255, .75); }
        .breadcrumb-custom a:hover { color: #fff; }
        .breadcrumb-custom .sep { color: rgba(255, 255, 255, .4); }
        .page-hero h1 { font-size: 48px; font-weight: 800; line-height: 1.25; margin-bottom: 18px; letter-spacing: 1px; }
        .page-hero h1 span { color: #ff6b6b; }
        .page-hero .hero-desc { font-size: 17px; color: rgba(255, 255, 255, .85); max-width: 640px; line-height: 1.8; margin-bottom: 28px; }
        .hero-badges { display: flex; flex-wrap: wrap; gap: 10px; }
        .badge-tag { display: inline-flex; align-items: center; gap: 6px; padding: 8px 18px; border-radius: 40px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22); backdrop-filter: blur(6px); font-size: 13px; font-weight: 600; color: #fff; }
        .badge-tag i { font-size: 12px; }
        .section { padding: 90px 0; }
        .section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
        .section-head .eyebrow { display: inline-block; padding: 6px 16px; background: var(--clr-primary-soft); color: var(--clr-primary); border-radius: 40px; font-size: 13px; font-weight: 700; letter-spacing: 1px; margin-bottom: 14px; }
        .section-head h2 { font-size: 38px; font-weight: 800; color: var(--clr-dark); line-height: 1.3; margin-bottom: 14px; }
        .section-head p { color: var(--clr-muted); font-size: 16px; line-height: 1.7; }
        .service-section { background: #fff; }
        .service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .service-card { background: var(--clr-bg); border: 1px solid var(--clr-border); border-radius: var(--radius-lg); padding: 36px 28px; transition: var(--transition); position: relative; overflow: hidden; }
        .service-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent)); opacity: 0; transition: var(--transition); }
        .service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); background: #fff; border-color: transparent; }
        .service-card:hover::before { opacity: 1; }
        .service-icon { display: inline-flex; align-items: center; justify-content: center; width: 60px; height: 60px; border-radius: 16px; background: var(--clr-primary); color: #fff; font-size: 24px; margin-bottom: 20px; box-shadow: 0 8px 24px rgba(200, 16, 46, .25); }
        .service-card:nth-child(2) .service-icon { background: var(--clr-dark); box-shadow: 0 8px 24px rgba(0, 0, 0, .2); }
        .service-card:nth-child(3) .service-icon { background: #2563eb; box-shadow: 0 8px 24px rgba(37, 99, 235, .25); }
        .service-card:nth-child(4) .service-icon { background: var(--clr-accent); box-shadow: 0 8px 24px rgba(212, 160, 23, .25); }
        .service-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; color: var(--clr-dark); }
        .service-card p { font-size: 14px; color: var(--clr-muted); line-height: 1.7; margin-bottom: 0; }
        .article-section { background: var(--clr-bg); }
        .article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .article-card { background: var(--clr-card); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--clr-border); }
        .article-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
        .article-card .card-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
        .article-card .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
        .article-card:hover .card-media img { transform: scale(1.05); }
        .article-card .card-tag { position: absolute; top: 14px; left: 14px; z-index: 2; padding: 5px 14px; background: rgba(0, 0, 0, .72); color: #fff; border-radius: 40px; font-size: 12px; font-weight: 600; backdrop-filter: blur(4px); }
        .article-card .card-body { padding: 24px 24px 28px; }
        .article-card .card-title { font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .article-card .card-text { font-size: 14px; color: var(--clr-muted); line-height: 1.7; margin-bottom: 18px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
        .article-card .card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: #a0a0aa; border-top: 1px solid var(--clr-border); padding-top: 16px; }
        .article-card .card-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .article-card .card-meta i { font-size: 12px; }
        .stats-section { background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; position: relative; padding: 90px 0; }
        .stats-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15, 15, 18, .95), rgba(30, 10, 14, .85)); }
        .stats-section .container { position: relative; z-index: 2; }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
        .stat-item { padding: 40px 20px; border-radius: var(--radius-lg); background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); backdrop-filter: blur(8px); transition: var(--transition); }
        .stat-item:hover { background: rgba(255, 255, 255, .1); transform: translateY(-4px); }
        .stat-number { font-size: 46px; font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 6px; }
        .stat-number .suffix { font-size: 22px; font-weight: 700; color: var(--clr-accent); }
        .stat-label { font-size: 14px; color: rgba(255, 255, 255, .7); letter-spacing: 2px; }
        .topic-section { background: #fff; }
        .topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .topic-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 3 / 4; box-shadow: var(--shadow-sm); transition: var(--transition); display: block; }
        .topic-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .topic-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
        .topic-card:hover img { transform: scale(1.05); }
        .topic-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 0, 0, .1) 0%, rgba(0, 0, 0, .85) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 26px; color: #fff; }
        .topic-overlay .topic-icon { width: 42px; height: 42px; border-radius: 12px; background: rgba(255, 255, 255, .2); display: inline-flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 14px; backdrop-filter: blur(4px); }
        .topic-overlay h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
        .topic-overlay p { font-size: 13px; color: rgba(255, 255, 255, .75); margin-bottom: 0; line-height: 1.6; }
        .faq-section { background: var(--clr-bg); }
        .faq-wrap { max-width: 840px; margin: 0 auto; }
        .faq-wrap .accordion-item { border: 1px solid var(--clr-border); border-radius: var(--radius) !important; margin-bottom: 14px; overflow: hidden; box-shadow: var(--shadow-sm); background: #fff; }
        .faq-wrap .accordion-item:last-child { margin-bottom: 0; }
        .faq-wrap .accordion-button { font-size: 16px; font-weight: 600; color: var(--clr-dark); padding: 20px 24px; background: #fff; box-shadow: none; border: none; }
        .faq-wrap .accordion-button:not(.collapsed) { color: var(--clr-primary); background: var(--clr-primary-soft); }
        .faq-wrap .accordion-button:focus { box-shadow: 0 0 0 3px rgba(200, 16, 46, .12); }
        .faq-wrap .accordion-button::after { background-size: 14px; filter: grayscale(1); }
        .faq-wrap .accordion-body { padding: 0 24px 24px; color: var(--clr-muted); font-size: 15px; line-height: 1.8; }
        .faq-wrap .accordion-item::after { display: none; }
        .cta-section { position: relative; background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; padding: 90px 0; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(200, 16, 46, .92), rgba(80, 0, 15, .95)); }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-inner { max-width: 760px; margin: 0 auto; text-align: center; color: #fff; }
        .cta-inner h2 { font-size: 38px; font-weight: 800; margin-bottom: 16px; }
        .cta-inner p { font-size: 16px; color: rgba(255, 255, 255, .85); margin-bottom: 32px; line-height: 1.8; }
        .cta-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; }
        .cta-form input { flex: 1; padding: 14px 20px; border-radius: 40px; border: 2px solid rgba(255, 255, 255, .4); background: rgba(255, 255, 255, .15); color: #fff; font-size: 14px; outline: none; transition: var(--transition); }
        .cta-form input::placeholder { color: rgba(255, 255, 255, .6); }
        .cta-form input:focus { border-color: #fff; background: rgba(255, 255, 255, .25); box-shadow: 0 0 0 4px rgba(255, 255, 255, .15); }
        .cta-form button { padding: 14px 34px; border-radius: 40px; background: #fff; color: var(--clr-primary); font-weight: 700; font-size: 15px; transition: var(--transition); box-shadow: 0 4px 16px rgba(0, 0, 0, .2); }
        .cta-form button:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, .3); }
        .site-footer { background: var(--clr-dark); color: rgba(255, 255, 255, .7); }
        .footer-top { padding: 70px 0 50px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 50px; }
        .footer-brand { margin-bottom: 16px; }
        .footer-brand .brand-text { color: #fff; }
        .footer-brand .brand-text span { color: #ff6b6b; }
        .footer-desc { font-size: 14px; line-height: 1.8; max-width: 360px; margin: 0; }
        .footer-col h5 { color: #fff; font-size: 17px; font-weight: 700; margin-bottom: 20px; }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-col ul a { font-size: 14px; color: rgba(255, 255, 255, .65); }
        .footer-col ul a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom { padding: 24px 0; text-align: center; font-size: 14px; color: rgba(255, 255, 255, .45); }
        @media (max-width: 1024px) {
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .article-grid { grid-template-columns: repeat(2, 1fr); }
            .topic-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .page-hero { padding: 90px 0 70px; }
            .page-hero h1 { font-size: 38px; }
        }
        @media (max-width: 768px) {
            .header-top-inner { min-height: 64px; }
            .header-search { display: none; }
            .btn-header-cta { display: none; }
            .brand-text { font-size: 17px; }
            .brand-text span { font-size: 11px; }
            .channel-tabs a { padding: 8px 16px; font-size: 14px; }
            .section { padding: 60px 0; }
            .section-head h2 { font-size: 30px; }
            .page-hero { padding: 70px 0 60px; background-attachment: scroll; }
            .page-hero h1 { font-size: 30px; }
            .page-hero .hero-desc { font-size: 15px; }
            .footer-grid { grid-template-columns: 1fr; gap: 36px; }
            .cta-form { flex-direction: column; }
            .cta-form button { width: 100%; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .service-grid { grid-template-columns: 1fr; }
            .article-grid { grid-template-columns: 1fr; }
            .topic-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .brand-mark { width: 38px; height: 38px; font-size: 18px; border-radius: 10px; }
            .brand-text { font-size: 16px; }
            .page-hero h1 { font-size: 26px; }
            .section-head h2 { font-size: 25px; }
            .stat-number { font-size: 36px; }
            .footer-bottom { font-size: 12px; }
        }

/* roulang page: article */
:root {
  --brand-primary: #c1121f;
  --brand-primary-dark: #9b0f1a;
  --brand-primary-soft: #fde6e7;
  --brand-accent: #f4a261;
  --brand-accent-dark: #e76f51;
  --brand-dark: #0d1b2a;
  --bg-body: #f4f6fb;
  --bg-surface: #ffffff;
  --text-main: #1b2437;
  --text-muted: #64748b;
  --border-main: #e6eaf2;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-xs: 0 2px 8px rgba(13, 27, 42, .05);
  --shadow-sm: 0 4px 18px rgba(13, 27, 42, .07);
  --shadow-md: 0 12px 34px rgba(13, 27, 42, .1);
  --shadow-lg: 0 24px 64px rgba(193, 18, 31, .2);
  --space-section: 88px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background: var(--bg-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; transition: color .2s ease, background .2s ease, box-shadow .2s ease; }
img { max-width: 100%; height: auto; }
input:focus, button:focus, a:focus { outline: none; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(193, 18, 31, .35);
  outline-offset: 2px;
}

.container { max-width: 1200px; }

.btn-brand-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand-primary); color: #fff;
  border: 1px solid var(--brand-primary);
  padding: 11px 28px; border-radius: 999px;
  font-size: 14.5px; font-weight: 700;
  transition: all .25s ease;
}
.btn-brand-primary:hover {
  background: var(--brand-primary-dark);
  border-color: var(--brand-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 4px 24px rgba(13, 27, 42, .06);
}
.header-top { padding: 14px 0; border-bottom: 1px solid var(--border-main); }
.header-top-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

.brand-logo { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
  color: #fff; font-weight: 900; font-size: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(193, 18, 31, .35);
}
.brand-text { font-size: 20px; font-weight: 900; color: var(--brand-dark); letter-spacing: .5px; white-space: nowrap; }
.brand-text span { color: var(--brand-primary); }

.header-search { display: flex; flex: 0 1 420px; position: relative; }
.header-search input {
  width: 100%;
  border: 1.5px solid var(--border-main);
  border-radius: 999px;
  padding: 10px 52px 10px 20px;
  font-size: 14px;
  background: var(--bg-body);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.header-search input:focus { border-color: var(--brand-primary); background: #fff; box-shadow: 0 0 0 4px rgba(193, 18, 31, .1); }
.search-btn {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  width: 36px; height: 36px; border-radius: 50%;
  border: 0; background: var(--brand-primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .2s, transform .2s;
}
.search-btn:hover { background: var(--brand-primary-dark); transform: translateY(-50%) scale(1.05); }

.btn-header-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 20px; border-radius: 999px;
  background: var(--brand-dark); color: #fff; font-size: 14px; font-weight: 600;
  border: 1px solid var(--brand-dark);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn-header-cta:hover {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(193, 18, 31, .25);
}

.navbar-toggler {
  border: 1.5px solid var(--border-main); background: #fff;
  border-radius: 10px; width: 42px; height: 42px;
  color: var(--brand-dark); font-size: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.navbar-toggler:hover { border-color: var(--brand-primary); color: var(--brand-primary); }

.header-nav { background: #fff; border-bottom: 1px solid var(--border-main); }
.channel-tabs {
  list-style: none; margin: 0; padding: 10px 0;
  display: flex; gap: 6px; align-items: center; flex-wrap: wrap;
}
.channel-tabs li { margin: 0; }
.channel-tabs li a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 999px;
  color: var(--text-muted); font-size: 14.5px; font-weight: 600;
  transition: all .2s ease;
}
.channel-tabs li a i { font-size: 14px; }
.channel-tabs li a:hover { color: var(--brand-primary); background: var(--brand-primary-soft); }
.channel-tabs li.active a {
  background: var(--brand-primary); color: #fff;
  box-shadow: 0 6px 16px rgba(193, 18, 31, .3);
}

/* ---------- Article banner ---------- */
.article-banner {
  position: relative;
  background:
    linear-gradient(100deg, rgba(13, 27, 42, .94) 10%, rgba(13, 27, 42, .78) 45%, rgba(193, 18, 31, .45)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 58px 0 62px;
  color: #fff;
}
.breadcrumb-nav {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  font-size: 13.5px; color: rgba(255, 255, 255, .72); margin-bottom: 22px;
}
.breadcrumb-nav a { color: rgba(255, 255, 255, .75); }
.breadcrumb-nav a:hover { color: #fff; }
.breadcrumb-nav .bc-sep { color: rgba(255, 255, 255, .4); font-size: 10px; }
.breadcrumb-nav .bc-current { color: #fff; font-weight: 600; }

.banner-title-wrap { max-width: 880px; }
.banner-title-wrap h1 {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 900;
  line-height: 1.35;
  margin: 0 0 18px;
  letter-spacing: .5px;
}
.banner-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; font-size: 14px; color: rgba(255, 255, 255, .85); }
.banner-meta span { display: inline-flex; align-items: center; gap: 7px; }
.badge-cat {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255, 255, 255, .16); color: #fff;
  padding: 5px 14px; border-radius: 999px; font-size: 13px; font-weight: 700;
  border: 1px solid rgba(255, 255, 255, .25);
}

/* ---------- Article main ---------- */
.article-main { padding: 48px 0 var(--space-section); }
.article-body-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 48px);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-main);
}

.article-content { font-size: 16.5px; line-height: 1.95; color: #31415b; }
.article-content h2 {
  font-size: 24px; font-weight: 800; color: var(--brand-dark);
  margin: 2.2rem 0 1.2rem;
  padding-left: 14px; border-left: 4px solid var(--brand-primary);
}
.article-content h3 { font-size: 20px; font-weight: 700; color: var(--brand-dark); margin: 1.8rem 0 1rem; }
.article-content p { margin-bottom: 1.4rem; }
.article-content ul, .article-content ol { margin-bottom: 1.4rem; padding-left: 1.4rem; }
.article-content li { margin-bottom: .5rem; }
.article-content img { border-radius: var(--radius-md); box-shadow: var(--shadow-md); margin: 1.6rem 0; }
.article-content blockquote {
  margin: 1.8rem 0; padding: 18px 24px;
  background: var(--brand-primary-soft);
  border-left: 4px solid var(--brand-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--brand-dark); font-weight: 500;
}
.article-content a { color: var(--brand-primary); font-weight: 600; border-bottom: 1px solid transparent; }
.article-content a:hover { border-bottom-color: var(--brand-primary); }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 15px; }
.article-content th, .article-content td { border: 1px solid var(--border-main); padding: 10px 14px; }
.article-content th { background: var(--bg-light); font-weight: 700; }

.article-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border-main);
}
.tag-pill {
  padding: 6px 16px; border-radius: 999px;
  background: var(--bg-body); border: 1px solid var(--border-main);
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  transition: all .2s;
}
.tag-pill:hover { background: var(--brand-primary); border-color: var(--brand-primary); color: #fff; }

.article-footer-links {
  margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border-main);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.btn-back-news {
  display: inline-flex; align-items: center;
  padding: 10px 22px; border-radius: 999px;
  background: var(--bg-body); border: 1.5px solid var(--border-main);
  color: var(--text-main); font-size: 14px; font-weight: 600;
  transition: all .2s;
}
.btn-back-news:hover {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.not-found-wrap { text-align: center; padding: 60px 20px; }
.not-found-icon {
  width: 90px; height: 90px; margin: 0 auto 24px;
  border-radius: 50%; background: var(--brand-primary-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 34px; color: var(--brand-primary);
}
.not-found-wrap h2 { font-size: 26px; font-weight: 800; color: var(--brand-dark); margin-bottom: 12px; }
.not-found-wrap p { color: var(--text-muted); margin-bottom: 24px; }

/* ---------- Sidebar ---------- */
.sidebar-widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-xs);
  margin-bottom: 28px;
}
.widget-title { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 800; color: var(--brand-dark); margin-bottom: 20px; }
.widget-title::before { content: ''; width: 4px; height: 18px; border-radius: 4px; background: var(--brand-primary); }

.platform-desc { font-size: 14px; color: var(--text-muted); line-height: 1.8; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 20px; }
.stat-box {
  background: var(--bg-body); border-radius: var(--radius-sm);
  padding: 14px 6px; text-align: center;
  border: 1px solid var(--border-main);
  transition: all .2s;
}
.stat-box:hover {
  border-color: var(--brand-primary);
  background: var(--brand-primary-soft);
  transform: translateY(-3px);
}
.stat-num { font-size: 20px; font-weight: 900; color: var(--brand-primary); line-height: 1.2; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.side-nav { list-style: none; margin: 0; padding: 0; }
.side-nav li a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: var(--radius-sm);
  color: var(--text-main); font-size: 14px; font-weight: 600;
  border: 1px solid transparent;
  transition: all .2s;
}
.side-nav li a i { width: 20px; text-align: center; color: var(--brand-primary); font-size: 14px; }
.side-nav li a:hover {
  background: var(--brand-primary-soft);
  border-color: rgba(193, 18, 31, .15);
  color: var(--brand-primary);
  transform: translateX(4px);
}

.highlight-list { display: grid; gap: 14px; }
.highlight-item {
  display: flex; gap: 14px; padding: 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-body);
  border: 1px solid var(--border-main);
  transition: all .2s;
}
.highlight-item:hover { background: var(--brand-primary-soft); border-color: rgba(193, 18, 31, .18); }
.highlight-icon {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 12px;
  background: var(--brand-primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 16px;
  box-shadow: 0 6px 14px rgba(193, 18, 31, .3);
}
.highlight-item h5 { font-size: 15px; font-weight: 700; color: var(--brand-dark); margin-bottom: 4px; }
.highlight-item p { font-size: 13px; color: var(--text-muted); margin: 0; line-height: 1.6; }

/* ---------- Section heading ---------- */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 1px;
  color: var(--brand-primary);
  background: var(--brand-primary-soft);
  padding: 6px 16px; border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 900; color: var(--brand-dark); margin-bottom: 14px; }
.section-head p { color: var(--text-muted); font-size: 16px; margin: 0; }

/* ---------- Channel cards ---------- */
.channel-section { padding: var(--space-section) 0; background: var(--bg-surface); }
.channel-card {
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: var(--shadow-xs);
  transition: transform .3s ease, box-shadow .3s ease;
  height: 100%;
}
.channel-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.channel-card-media { position: relative; height: 190px; overflow: hidden; }
.channel-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.channel-card:hover .channel-card-media img { transform: scale(1.06); }
.channel-card-media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13, 27, 42, 0) 40%, rgba(13, 27, 42, .5));
}
.channel-card-body { padding: 24px; }
.channel-card-body h3 { font-size: 18px; font-weight: 800; color: var(--brand-dark); margin-bottom: 10px; }
.channel-card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 16px; }
.channel-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; color: var(--brand-primary); }
.channel-link i { transition: transform .2s; }
.channel-link:hover { color: var(--brand-primary-dark); }
.channel-link:hover i { transform: translateX(4px); }

/* ---------- FAQ ---------- */
.faq-section { padding: var(--space-section) 0; background: var(--bg-body); }
.faq-accordion .accordion-item {
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md) !important;
  overflow: hidden;
  margin-bottom: 14px;
  background: var(--bg-surface);
  box-shadow: var(--shadow-xs);
}
.faq-accordion .accordion-button {
  padding: 18px 22px;
  font-size: 15.5px; font-weight: 700; color: var(--brand-dark);
  background: var(--bg-surface);
  box-shadow: none;
}
.faq-accordion .accordion-button:not(.collapsed) {
  background: var(--brand-primary-soft);
  color: var(--brand-primary);
}
.faq-accordion .accordion-button:focus { box-shadow: 0 0 0 3px rgba(193, 18, 31, .15); }
.faq-accordion .accordion-button::after { background-size: 1rem; }
.faq-accordion .accordion-body {
  padding: 6px 22px 20px;
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- CTA ---------- */
.cta-section {
  position: relative;
  background:
    linear-gradient(120deg, rgba(13, 27, 42, .96), rgba(193, 18, 31, .85)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding: 72px 0;
  color: #fff;
  text-align: center;
}
.cta-section h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 900; margin-bottom: 14px; }
.cta-section p { font-size: 16px; color: rgba(255, 255, 255, .85); max-width: 620px; margin: 0 auto 28px; }
.btn-cta-gold {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--brand-accent); color: var(--brand-dark);
  font-weight: 800; font-size: 15px;
  padding: 13px 34px; border-radius: 999px;
  border: 0;
  transition: all .25s ease;
}
.btn-cta-gold:hover {
  background: #ffbe85;
  color: var(--brand-dark);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(244, 162, 97, .35);
}

/* ---------- Footer ---------- */
.site-footer { background: var(--brand-dark); color: rgba(255, 255, 255, .72); }
.footer-top { padding: 58px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-brand .brand-text { color: #fff; }
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, .6); margin: 14px 0 0; }
.footer-col h5 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255, 255, 255, .62); font-size: 14px; transition: color .2s, padding-left .2s; }
.footer-col ul li a:hover { color: var(--brand-accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
  text-align: center;
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: 22px; bottom: 22px;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--brand-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .3s ease; z-index: 1040;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--brand-dark); color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
  .header-top { padding: 12px 0; }
  .header-nav { padding: 10px 0 14px; }
  .channel-tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .channel-tabs::-webkit-scrollbar { display: none; }
  .channel-tabs li { flex-shrink: 0; }
  .article-main { padding: 32px 0 60px; }
  .sidebar { margin-top: 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767.98px) {
  .article-banner { padding: 42px 0 46px; }
  .banner-meta { gap: 12px; }
  .cta-section { padding: 56px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 575.98px) {
  .brand-text { font-size: 17px; }
  .brand-mark { width: 36px; height: 36px; font-size: 17px; border-radius: 10px; }
  .article-body-card { padding: 20px; }
  .article-content { font-size: 15.5px; }
  .channel-card-media { height: 160px; }
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #d22f3f;
  --primary-dark: #b0202f;
  --primary-light: #fde8ea;
  --dark: #161a24;
  --dark-2: #1f2430;
  --bg-light: #f4f5f9;
  --bg-deep: #0f1117;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --border: #e5e7ed;
  --white: #ffffff;
  --radius: 14px;
  --radius-lg: 24px;
  --shadow: 0 2px 12px rgba(22, 26, 36, .07);
  --shadow-lg: 0 16px 40px rgba(22, 26, 36, .13);
  --shadow-hover: 0 8px 30px rgba(210, 47, 63, .14);
  --transition: all .3s cubic-bezier(.25, .8, .25, 1);
  --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ========== Reset / 基础 ========== */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
a:hover { color: var(--primary); }
ul, ol { list-style: none; margin: 0; padding: 0; }
button, input, select { font-family: inherit; }

/* ========== 容器 ========== */
.container { max-width: 1240px; }

/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--white);
  box-shadow: 0 2px 16px rgba(22, 26, 36, .06);
  border-bottom: 1px solid var(--border);
}

.header-top {
  padding: 14px 0;
  background: var(--white);
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  font-weight: 800;
  font-size: 22px;
  box-shadow: 0 4px 14px rgba(210, 47, 63, .25);
}

.brand-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--dark);
  line-height: 1.2;
}

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

.header-search {
  flex: 0 1 520px;
  position: relative;
}

.header-search input {
  width: 100%;
  height: 46px;
  border: 2px solid var(--border);
  border-radius: 50px;
  padding: 0 52px 0 20px;
  background: var(--bg-light);
  font-size: 14px;
  color: var(--text-main);
  transition: var(--transition);
  outline: none;
}

.header-search input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(210, 47, 63, .08);
}

.header-search .search-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  cursor: pointer;
}

.header-search .search-btn:hover { background: var(--primary-dark); }

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 46px;
  padding: 0 22px;
  border-radius: 50px;
  background: var(--dark);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-header-cta:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.navbar-toggler {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 2px solid var(--border);
  background: var(--bg-light);
  color: var(--dark);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.header-nav {
  border-top: 1px solid var(--border);
  background: var(--white);
}

.header-nav .container {
  overflow-x: auto;
  scrollbar-width: none;
}

.header-nav .container::-webkit-scrollbar { display: none; }

.channel-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  padding: 8px 0;
}

.channel-tabs li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
  background: transparent;
  border: 2px solid transparent;
}

.channel-tabs li a i { font-size: 16px; }

.channel-tabs li a:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.channel-tabs li.active a {
  background: var(--dark);
  color: #fff;
  box-shadow: 0 4px 14px rgba(22, 26, 36, .18);
}

.channel-tabs li.active a i { color: var(--primary); }

/* ========== 页面横幅 ========== */
.page-banner {
  position: relative;
  padding: 96px 0 80px;
  background: linear-gradient(135deg, rgba(22, 26, 36, .92) 0%, rgba(44, 49, 62, .78) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}

.page-banner::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--white), transparent);
}

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

.banner-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .14);
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 13px;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 20px;
  backdrop-filter: blur(6px);
}

.page-banner h1 {
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.page-banner p {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: rgba(255, 255, 255, .84);
  max-width: 720px;
  margin: 0 auto 30px;
}

.banner-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 50px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border: none;
  transition: var(--transition);
  cursor: pointer;
}

.btn-brand:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, .55);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  background: transparent;
  transition: var(--transition);
  cursor: pointer;
}

.btn-outline-light:hover { border-color: #fff; background: rgba(255, 255, 255, .1); color: #fff; }

/* ========== 通用板块 ========== */
.section { padding: 80px 0; }
.section-bg { background: var(--bg-light); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  position: relative;
}

.section-head p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}

.section-overline {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* 分隔线装饰 */
.section-head h2::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  margin: 14px auto 0;
}

/* ========== 核心服务卡片 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  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(--primary-dark));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 0;
}

/* ========== 数据统计区块 ========== */
.stats-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::after {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(210, 47, 63, .16);
  right: -120px;
  top: -120px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  backdrop-filter: blur(8px);
}

.stat-icon {
  font-size: 26px;
  color: var(--primary);
  margin-bottom: 10px;
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  font-family: inherit;
}

.stat-number small {
  font-size: 18px;
  font-weight: 600;
  color: rgba(255, 255, 255, .65);
  margin-left: 4px;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
  margin-top: 8px;
}

/* ========== 数据表/排行 ========== */
.data-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.data-panel-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.data-panel-header h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin: 0;
}

.data-panel-tabs a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--border);
  background: var(--bg-light);
  margin-left: 8px;
  transition: var(--transition);
}

.data-panel-tabs a:hover,
.data-panel-tabs a.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.table-wrap { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table thead th {
  background: var(--bg-light);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 13px;
  padding: 14px 20px;
  text-align: left;
  letter-spacing: .5px;
  white-space: nowrap;
}

.data-table tbody td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
  transition: var(--transition);
}

.data-table tbody tr {
  cursor: pointer;
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: var(--primary-light);
}

.data-table tbody tr:last-child td { border-bottom: none; }

.team-cell {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.team-cell img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  object-fit: cover;
}

.team-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--bg-light);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 13px;
}

.team-rank.top {
  background: var(--primary-light);
  color: var(--primary);
}

.win-rate-bar {
  height: 8px;
  background: var(--bg-light);
  border-radius: 4px;
  overflow: hidden;
  min-width: 130px;
  position: relative;
}

.win-rate-bar .bar {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border-radius: 4px;
}

/* ========== 分析文章区 ========== */
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  margin-top: 20px;
}

.analysis-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.analysis-card .card-cover {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.analysis-card .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

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

.analysis-card .card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(22, 26, 36, .4), transparent);
}

.card-tag {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 2;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 50px;
}

.analysis-card .card-body {
  padding: 24px 24px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.analysis-card .card-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.45;
  margin-bottom: 10px;
  transition: var(--transition);
}

.analysis-card .card-body h3 a:hover { color: var(--primary); }

.analysis-card .card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.card-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ========== FAQ ========== */
.faq-wrap { max-width: 780px; margin: 0 auto; }

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover { box-shadow: var(--shadow); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  transition: var(--transition);
  gap: 16px;
}

.faq-question i.fa-chevron-down {
  color: var(--text-muted);
  transition: transform .3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}

.faq-item.open .faq-answer {
  padding: 0 24px 20px;
  max-height: 200px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}

/* ========== CTA ========== */
.cta-section {
  padding: 72px 0;
  background: linear-gradient(135deg, rgba(210, 47, 63, .05) 0%, rgba(210, 47, 63, .12) 100%);
}

.cta-box {
  background: var(--dark);
  border-radius: 28px;
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
  color: #fff;
  text-align: center;
}

.cta-box::before {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(210, 47, 63, .2);
  top: -100px;
  left: -80px;
}

.cta-box::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .04);
  right: -60px;
  bottom: -80px;
}

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

.cta-box h2 {
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-box p {
  color: rgba(255, 255, 255, .8);
  max-width: 600px;
  margin: 0 auto 32px;
  font-size: 15px;
}

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

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 34px;
  border-radius: 50px;
  background: #fff;
  color: var(--dark);
  font-weight: 700;
  font-size: 15px;
  border: none;
  transition: var(--transition);
}

.btn-white:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(210, 47, 63, .35);
}

.btn-ghost-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 34px;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, .6);
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
}

.btn-ghost-light:hover { border-color: #fff; background: rgba(255, 255, 255, .1); color: #fff; }

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, .72);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}

.footer-brand { margin-bottom: 18px; }

.footer-brand .brand-mark {
  width: 40px;
  height: 40px;
  font-size: 19px;
}

.footer-brand .brand-text {
  color: #fff;
  font-size: 19px;
}

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

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .58);
  max-width: 400px;
}

.footer-col h5 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
}

.footer-col h5::before {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  width: 100%;
  height: 100%;
  border-bottom: 2px solid rgba(255, 255, 255, .08);
  /* 代替 underline */
}

.footer-col h5::after {
  content: '';
  display: block;
  width: 28px;
  height: 3px;
  border-radius: 4px;
  background: var(--primary);
  margin-top: 8px;
}

.footer-col ul li { margin-bottom: 12px; }

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, .62);
  transition: var(--transition);
  display: inline-block;
}

.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}

/* ========== 响应式 ========== */
@media (max-width: 991.98px) {
  .header-top { padding: 12px 0; }

  .header-nav { border-top: none; }
  .channel-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 12px 0 14px;
    gap: 8px;
  }

  .channel-tabs li a { font-size: 14px; padding: 8px 16px; }

  .brand-mark { width: 40px; height: 40px; font-size: 19px; }
  .brand-text { font-size: 19px; }

  .stats-grid { gap: 20px; }
  .stat-number { font-size: 32px; }

  .cta-box { padding: 44px 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767.98px) {
  .section { padding: 56px 0; }
  .page-banner { padding: 64px 0 56px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-col { margin-bottom: 8px; }
  .data-panel-header { flex-direction: column; align-items: flex-start; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .banner-actions { flex-direction: column; align-items: stretch; padding: 0 20px; }
  .btn-brand, .btn-outline-light { justify-content: center; }
}

@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-number { font-size: 26px; }
  .page-banner h1 { font-size: 1.7rem; }
  .feature-card { padding: 28px 22px; }
  .cta-box { padding: 36px 22px; }
  .btn-white, .btn-ghost-light { width: 100%; justify-content: center; }
}

/* Bootstrap 覆盖 */
.btn:focus,
.btn:active,
.form-control:focus {
  box-shadow: none;
}

.card { border: 0; }

/* roulang page: category3 */
:root {
    --primary: #c8102e;
    --primary-dark: #9e0c24;
    --primary-light: #fdeef0;
    --secondary: #101828;
    --accent: #f5c518;
    --bg: #f6f7fb;
    --bg-alt: #ffffff;
    --text: #17202a;
    --text-muted: #5d6b7e;
    --border: #e4e8f0;
    --radius: 18px;
    --radius-sm: 12px;
    --radius-lg: 26px;
    --shadow: 0 14px 44px rgba(20, 30, 60, 0.10);
    --shadow-sm: 0 4px 18px rgba(20, 30, 60, 0.07);
    --shadow-primary: 0 10px 28px rgba(200, 16, 46, 0.28);
    --transition: all 0.25s ease;
}
*,
*::before,
*::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button,
input {
    font-family: inherit;
}
.container {
    max-width: 1200px;
}
.section-padding {
    padding: 96px 0;
}
@media (max-width: 767.98px) {
    .section-padding {
        padding: 64px 0;
    }
}
hr {
    border-color: var(--border);
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1080;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 24px rgba(16, 24, 40, 0.08);
}
.header-top {
    border-bottom: 1px solid var(--border);
    background: #fff;
}
.header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 78px;
    gap: 20px;
}
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.brand-mark {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, #8e0b22 100%);
    color: #fff;
    font-size: 24px;
    font-weight: 800;
    border-radius: 14px;
    box-shadow: var(--shadow-primary);
}
.brand-text {
    font-size: 21px;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: 0.4px;
    line-height: 1.15;
    white-space: nowrap;
}
.brand-text span {
    color: var(--primary);
}
.header-search {
    position: relative;
    flex: 0 1 380px;
}
.header-search input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 11px 48px 11px 20px;
    font-size: 14px;
    color: var(--text);
    background: #f8f9fc;
    outline: none;
    transition: var(--transition);
}
.header-search input:focus {
    background: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(200, 16, 46, 0.12);
}
.search-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 50%;
    background: rgba(200, 16, 46, 0.08);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.search-btn:hover {
    background: var(--primary);
    color: #fff;
}
.btn-header-cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background: var(--primary);
    color: #fff !important;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: var(--transition);
}
.btn-header-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}
.navbar-toggler {
    border: none;
    background: var(--primary);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    padding: 0;
    box-shadow: var(--shadow-primary);
    transition: var(--transition);
}
.navbar-toggler:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 4px rgba(200, 16, 46, 0.25);
}
.header-nav {
    background: #fff;
}
.channel-tabs {
    display: flex;
    align-items: stretch;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.channel-tabs::-webkit-scrollbar {
    display: none;
}
.channel-tabs li a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 22px;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-muted);
    border-bottom: 3px solid transparent;
    border-radius: 0;
    white-space: nowrap;
    transition: var(--transition);
}
.channel-tabs li a:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.channel-tabs li a i {
    font-size: 15px;
}
.channel-tabs li.active a {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: rgba(200, 16, 46, 0.05);
    font-weight: 700;
}

/* ===== Hero ===== */
.hero-section {
    position: relative;
    padding: 120px 0 130px;
    background-image: linear-gradient(100deg, rgba(10, 10, 26, 0.92) 0%, rgba(16, 24, 40, 0.72) 50%, rgba(16, 24, 40, 0.55) 100%), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
}
.hero-section::after {
    content: '';
    position: absolute;
    right: -120px;
    top: -120px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(200, 16, 46, 0.45), transparent 68%);
    border-radius: 50%;
    pointer-events: none;
}
.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 820px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50px;
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 600;
    color: #ffe9e9;
    margin-bottom: 24px;
    backdrop-filter: blur(6px);
}
.hero-badge i {
    color: var(--accent);
}
.hero-section h1 {
    font-size: 54px;
    font-weight: 800;
    line-height: 1.16;
    letter-spacing: 1px;
    margin-bottom: 22px;
    color: #fff;
}
.hero-desc {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 36px;
    max-width: 640px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.btn {
    border-radius: 50px;
    font-weight: 600;
    padding: 12px 28px;
    transition: var(--transition);
}
.btn-lg {
    padding: 14px 34px;
    font-size: 16px;
}
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--shadow-primary);
}
.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(200, 16, 46, 0.4);
}
.btn-outline-light {
    border: 1.5px solid rgba(255, 255, 255, 0.7);
    color: #fff;
    background: transparent;
}
.btn-outline-light:hover {
    background: #fff;
    color: var(--secondary);
    border-color: #fff;
    transform: translateY(-2px);
}
.hero-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.hero-metrics .metric-item .metric-num {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
}
.hero-metrics .metric-item .metric-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.5px;
}

/* ===== Section Head ===== */
.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 52px;
}
.section-head.left {
    text-align: left;
    margin-left: 0;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 50px;
    padding: 7px 16px;
    margin-bottom: 16px;
}
.section-head h2 {
    font-size: 38px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}
.section-head p {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 0;
}

/* ===== Feature ===== */
.feature-section {
    background: var(--bg);
}
.feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 34px 28px;
    height: 100%;
    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(-8px);
    box-shadow: var(--shadow);
    border-color: transparent;
}
.feature-card:hover::before {
    opacity: 1;
}
.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 22px;
    transition: var(--transition);
}
.feature-card:hover .feature-icon {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-primary);
}
.feature-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
}
.feature-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===== Topic ===== */
.topic-section {
    background: #fff;
}
.topic-panel {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
}
.topic-list {
    display: flex;
    flex-direction: column;
}
.topic-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.topic-item:last-child {
    border-bottom: none;
}
.topic-item:hover {
    padding-left: 10px;
}
.topic-rank {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    color: var(--text-muted);
    flex-shrink: 0;
}
.topic-item:nth-child(1) .topic-rank,
.topic-item:nth-child(2) .topic-rank,
.topic-item:nth-child(3) .topic-rank {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.topic-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 4px;
    color: var(--secondary);
}
.topic-meta {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}
.topic-trend {
    margin-left: auto;
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
}
.topic-trend i {
    margin-right: 4px;
}
.side-card {
    background: var(--secondary);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: #fff;
    min-height: 100%;
    position: relative;
    overflow: hidden;
}
.side-card::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(200, 16, 46, 0.5), transparent 70%);
    border-radius: 50%;
}
.side-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.side-card h3 i {
    color: var(--accent);
}
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    position: relative;
    z-index: 2;
}
.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #e8ecf3;
    padding: 7px 14px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}
.tag-item:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}
.tag-item .tag-count {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 1px 8px;
    font-size: 12px;
}
.side-card .side-note {
    margin-top: 28px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.7;
    position: relative;
    z-index: 2;
    padding: 16px 18px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent);
}

/* ===== Stats ===== */
.stats-section {
    background: linear-gradient(135deg, var(--secondary) 0%, #1c2440 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute;
    left: 10%;
    top: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200, 16, 46, 0.25), transparent 65%);
    border-radius: 50%;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 2;
}
.stat-card {
    text-align: center;
    padding: 28px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    transition: var(--transition);
}
.stat-card:hover {
    background: rgba(255, 255, 255, 0.09);
    transform: translateY(-6px);
}
.stat-number {
    font-size: 42px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 8px;
    letter-spacing: 1px;
}
.stat-number em {
    font-style: normal;
    color: var(--accent);
    font-size: 24px;
    margin-left: 4px;
}
.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.68);
    letter-spacing: 1px;
    font-weight: 500;
}
@media (max-width: 767.98px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .stat-number {
        font-size: 32px;
    }
}

/* ===== Stories ===== */
.stories-section {
    background: var(--bg);
}
.story-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    transition: var(--transition);
}
.story-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
}
.story-img {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}
.story-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.story-card:hover .story-img img {
    transform: scale(1.05);
}
.story-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(10, 14, 24, 0.45));
}
.story-body {
    padding: 28px;
    position: relative;
}
.story-body .badge {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 14px;
}
.story-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 12px;
    line-height: 1.4;
}
.story-body p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.7;
}
.story-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.story-link:hover {
    gap: 10px;
    color: var(--primary-dark);
}

/* ===== Timeline ===== */
.event-section {
    background: #fff;
}
.timeline {
    position: relative;
    max-width: 820px;
    margin: 0 auto;
    padding-left: 40px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 8px;
    bottom: 8px;
    width: 3px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    border-radius: 3px;
}
.timeline-node {
    position: relative;
    padding-bottom: 44px;
}
.timeline-node:last-child {
    padding-bottom: 0;
}
.timeline-node::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    border: 4px solid #fff;
    box-shadow: 0 0 0 3px var(--primary);
}
.timeline-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 30px;
    transition: var(--transition);
}
.timeline-card:hover {
    box-shadow: var(--shadow-sm);
    border-color: transparent;
}
.timeline-date {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    padding: 5px 14px;
    margin-bottom: 12px;
}
.timeline-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 8px;
}
.timeline-card p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.7;
}
.timeline-card .meta {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.timeline-card .meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.timeline-card .meta i {
    color: var(--primary);
}

/* ===== FAQ ===== */
.faq-section {
    background: var(--bg);
}
.accordion {
    --bs-accordion-border-radius: var(--radius-sm);
    --bs-accordion-border-color: var(--border);
    --bs-accordion-bg: #fff;
    --bs-accordion-active-bg: var(--primary-light);
    --bs-accordion-active-color: var(--primary);
    --bs-accordion-btn-focus-border-color: var(--primary);
    --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(200, 16, 46, 0.12);
    --bs-accordion-btn-padding-y: 18px;
    --bs-accordion-body-padding-y: 18px;
}
.accordion-item {
    margin-bottom: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm) !important;
    overflow: hidden;
    box-shadow: none;
}
.accordion-button {
    font-weight: 600;
    font-size: 16px;
    color: var(--secondary);
    background: #fff;
}
.accordion-button:not(.collapsed) {
    color: var(--primary);
    background: var(--primary-light);
    box-shadow: none;
}
.accordion-button::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23c8102e'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}
.accordion-body {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.75;
}

/* ===== CTA ===== */
.cta-section {
    background-image: linear-gradient(120deg, rgba(16, 24, 40, 0.92), rgba(200, 16, 46, 0.72)), url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    padding: 110px 0;
    color: #fff;
    text-align: center;
}
.cta-inner {
    max-width: 640px;
    margin: 0 auto;
}
.cta-inner h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 18px;
    color: #fff;
}
.cta-inner p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
}
.btn-light {
    background: #fff;
    color: var(--primary);
    border: none;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}
.btn-light:hover {
    background: var(--primary-light);
    color: var(--primary);
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
    background: #0d1117;
    color: #c0c7d4;
}
.footer-top {
    padding: 72px 0 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
}
.footer-brand .brand-text {
    color: #fff;
}
.footer-brand .brand-text span {
    color: #ff5a70;
}
.footer-brand .brand-mark {
    background: linear-gradient(135deg, #ff3b52, #a80e28);
}
.footer-desc {
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.8;
    color: #8b94a3;
    max-width: 360px;
}
.footer-col h5 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}
.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-col ul li {
    margin-bottom: 12px;
}
.footer-col ul li a {
    color: #8b94a3;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.footer-col ul li a:hover {
    color: #fff;
    transform: translateX(4px);
}
.footer-bottom {
    padding: 22px 0;
    text-align: center;
    font-size: 13px;
    color: #7c8698;
}
.footer-bottom .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.footer-bottom a {
    color: #aab4c5;
}
.footer-bottom a:hover {
    color: #fff;
}
@media (max-width: 767.98px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    .header-nav {
        background: #fff;
        border-bottom: 1px solid var(--border);
    }
    .header-nav.collapse:not(.show) {
        display: none;
    }
    .header-nav.collapse.show {
        display: block;
    }
    .channel-tabs {
        flex-direction: column;
        padding: 12px 0;
        gap: 4px;
    }
    .channel-tabs li a {
        padding: 14px 18px;
        border-radius: 12px;
        border-bottom: none;
        border-left: 4px solid transparent;
        font-size: 15px;
    }
    .channel-tabs li a:hover {
        background: var(--primary-light);
        color: var(--primary);
    }
    .channel-tabs li.active a {
        background: var(--primary-light);
        color: var(--primary);
        border-bottom: none;
        border-left-color: var(--primary);
    }
    .hero-section {
        padding: 90px 0 100px;
    }
    .hero-section h1 {
        font-size: 38px;
    }
    .hero-desc {
        font-size: 16px;
    }
    .section-head h2 {
        font-size: 30px;
    }
    .section-padding {
        padding: 72px 0;
    }
    .timeline {
        padding-left: 30px;
    }
}
@media (max-width: 575.98px) {
    .header-top-inner {
        min-height: 66px;
        gap: 12px;
    }
    .brand-mark {
        width: 40px;
        height: 40px;
        font-size: 20px;
        border-radius: 12px;
    }
    .brand-text {
        font-size: 17px;
    }
    .brand-text span {
        font-size: 14px;
    }
    .hero-section {
        padding: 64px 0 72px;
    }
    .hero-section h1 {
        font-size: 30px;
    }
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .hero-metrics {
        gap: 22px;
    }
    .hero-metrics .metric-item .metric-num {
        font-size: 22px;
    }
    .section-head h2 {
        font-size: 26px;
    }
    .section-head p {
        font-size: 14px;
    }
    .feature-card {
        padding: 26px 22px;
    }
    .topic-panel {
        padding: 24px 20px;
    }
    .topic-item {
        flex-wrap: wrap;
        gap: 12px;
    }
    .topic-trend {
        margin-left: 0;
        width: 100%;
        padding-left: 58px;
    }
    .side-card {
        padding: 28px 22px;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .stat-card {
        padding: 20px 12px;
    }
    .stat-number {
        font-size: 26px;
    }
    .timeline {
        padding-left: 26px;
    }
    .timeline-node::before {
        left: -27px;
    }
    .timeline-card {
        padding: 22px 18px;
    }
    .cta-section {
        padding: 70px 0;
    }
    .cta-inner h2 {
        font-size: 28px;
    }
    .footer-top {
        padding: 52px 0 36px;
    }
}