/* roulang page: index */
:root {
  --primary: #1E40AF;
  --primary-dark: #1E3A8A;
  --accent: #0E7490;
  --accent-dark: #155E75;
  --success: #16A34A;
  --warning: #D97706;
  --bg: #F8FAFC;
  --card-bg: #FFFFFF;
  --section-blue: #EFF6FF;
  --text-main: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --radius: 12px;
  --shadow-card: 0 4px 16px rgba(30, 41, 59, 0.08);
  --shadow-hover: 0 12px 32px rgba(30, 41, 59, 0.14);
  --transition: 0.2s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 5rem 0; }
.section-lg { padding: 8rem 0; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1.5rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
}
.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .01em;
  white-space: nowrap;
}
.nav-search {
  position: relative;
  flex: 0 1 240px;
  margin-left: auto;
}
.nav-search input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 2.5rem 0 1rem;
  font-size: .875rem;
  background: var(--bg);
  transition: border-color .2s, box-shadow .2s;
}
.nav-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 116, 144, .12);
}
.nav-search i {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: .875rem;
  color: var(--text-muted);
  pointer-events: none;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}
.btn-booking {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: var(--accent);
  color: #fff;
  font-size: .875rem;
  font-weight: 600;
  padding: .55rem 1.25rem;
  border-radius: 8px;
  transition: all .2s;
}
.btn-booking:hover {
  background: var(--accent-dark);
  box-shadow: 0 4px 14px rgba(14, 116, 144, .25);
  transform: translateY(-1px);
}
.btn-booking:active { transform: translateY(1px); }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-main);
  font-size: 1rem;
}

.channel-nav {
  background: #fff;
  border-top: 1px solid #F1F5F9;
}
.channel-tabs {
  display: flex;
  align-items: center;
  gap: .25rem;
  height: 48px;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-tabs::-webkit-scrollbar { display: none; }
.channel-tab {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 1.1rem;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .2s, border-color .2s;
}
.channel-tab:hover { color: var(--text-main); }
.channel-tab.active {
  color: var(--primary);
  font-weight: 600;
  border-bottom-color: var(--primary);
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  padding: 5rem 0 3.5rem;
  background: linear-gradient(180deg, #F8FAFC 0%, #F0F7FF 100%);
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 64, 175, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 64, 175, .035) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}
.hero-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4rem;
}
.hero-content { flex: 1 1 50%; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(14, 116, 144, .1);
  color: var(--accent);
  font-size: .8125rem;
  font-weight: 600;
  padding: .35rem .9rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.hero-badge i { font-size: .75rem; }
.hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}
.hero-title span { color: var(--primary); }
.hero-sub {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 540px;
  margin-bottom: 2rem;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: .875rem;
  margin-bottom: 2.5rem;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--primary);
  color: #fff;
  font-size: .9375rem;
  font-weight: 600;
  padding: .75rem 1.5rem;
  border-radius: 8px;
  transition: all .2s;
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 8px 20px rgba(30, 64, 175, .25);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(1px); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: #DBEAFE;
  color: var(--primary);
  font-size: .9375rem;
  font-weight: 600;
  padding: .75rem 1.5rem;
  border-radius: 8px;
  transition: all .2s;
}
.btn-secondary:hover {
  background: #BFDBFE;
  transform: translateY(-2px);
}
.btn-secondary:active { transform: translateY(1px); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: #fff;
  border: 1px solid var(--border);
  color: #334155;
  font-size: .9375rem;
  font-weight: 500;
  padding: .75rem 1.5rem;
  border-radius: 8px;
  transition: all .2s;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-outline:active { transform: translateY(1px); }

.hero-visual {
  flex: 1 1 50%;
  position: relative;
}
.hero-cover {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(15, 23, 42, .15);
  aspect-ratio: 4 / 3;
  background: #1E293B;
}
.hero-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(30, 64, 175, .1) 0%, rgba(15, 23, 42, .35) 100%);
}
.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background: rgba(255, 255, 255, .92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.35rem;
  z-index: 2;
  box-shadow: 0 8px 30px rgba(15, 23, 42, .25);
  transition: transform .25s ease, box-shadow .25s ease;
}
.play-button:hover {
  transform: translate(-50%, -50%) scale(1.07);
  box-shadow: 0 12px 36px rgba(15, 23, 42, .3);
}
.hero-cover-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  z-index: 2;
  background: rgba(15, 23, 42, .72);
  color: #fff;
  font-size: .8125rem;
  padding: .4rem .9rem;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.hero-cover-badge i { color: #FBBF24; font-size: .75rem; }

/* ===== Countdown ===== */
.countdown-card {
  position: relative;
  z-index: 3;
  max-width: 420px;
  background: #fff;
  border-radius: 14px;
  border: 1px solid #E2E8F0;
  box-shadow: 0 12px 36px rgba(15, 23, 42, .08);
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.countdown-label {
  font-size: .8125rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.4;
  flex-shrink: 0;
}
.countdown-items {
  display: flex;
  gap: .6rem;
  align-items: center;
}
.countdown-item {
  text-align: center;
  min-width: 52px;
}
.countdown-item .num {
  font-size: 1.875rem;
  font-weight: 700;
  font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
  color: var(--accent);
  line-height: 1.2;
  letter-spacing: -.02em;
}
.countdown-item .unit {
  font-size: .6875rem;
  color: var(--text-muted);
  display: block;
  margin-top: .1rem;
}
.countdown-sep {
  color: var(--border);
  font-weight: 700;
  font-size: 1.25rem;
}

/* ===== Sticky countdown bar ===== */
.sticky-bar {
  position: sticky;
  top: 112px;
  z-index: 90;
  background: var(--section-blue);
  border-bottom: 1px solid rgba(30, 64, 175, .08);
  backdrop-filter: blur(8px);
}
.sticky-bar-inner {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.sticky-bar-text {
  font-size: .875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 500;
}
.sticky-bar-text i { color: var(--accent); }
.sticky-bar-time {
  color: var(--accent);
  font-weight: 700;
  font-family: "SF Mono", Consolas, monospace;
}
.sticky-bar-btn {
  background: var(--accent);
  color: #fff;
  font-size: .8125rem;
  font-weight: 600;
  padding: .45rem 1.1rem;
  border-radius: 6px;
  transition: all .2s;
  flex-shrink: 0;
}
.sticky-bar-btn:hover { background: var(--accent-dark); }

/* ===== Section titles ===== */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.75rem;
}
.section-title {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
  position: relative;
  padding-left: .875rem;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: .25rem;
  bottom: .25rem;
  width: 4px;
  border-radius: 2px;
  background: var(--primary);
}
.section-sub {
  font-size: .9375rem;
  color: var(--text-muted);
  max-width: 480px;
}

/* ===== Highlights ===== */
.highlights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}
.highlight-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-card);
  transition: all .2s ease;
}
.highlight-card.offset { margin-top: 24px; }
.highlight-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: rgba(30, 64, 175, .2);
}
.highlight-card .icon-wrap {
  width: 48px;
  height: 48px;
  background: rgba(14, 116, 144, .1);
  color: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.highlight-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: .4rem;
}
.highlight-card p {
  font-size: .9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Subscribe ===== */
.subscribe-section {
  background: var(--section-blue);
  padding: 5rem 0;
}
.subscribe-card {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border-radius: 16px;
  padding: 3rem 2.5rem;
  text-align: center;
  box-shadow: 0 16px 48px rgba(15, 23, 42, .08);
  border: 1px solid #E2E8F0;
}
.subscribe-card h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: .75rem;
}
.subscribe-card .desc {
  color: var(--text-secondary);
  font-size: .9375rem;
  margin-bottom: 2rem;
}
.subscribe-form {
  display: flex;
  justify-content: center;
  gap: .625rem;
  flex-wrap: wrap;
  max-width: 520px;
  margin: 0 auto;
}
.subscribe-form input {
  flex: 1 1 300px;
  height: 44px;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 0 1rem;
  font-size: .9375rem;
  background: var(--bg);
  transition: border-color .2s, box-shadow .2s;
}
.subscribe-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 116, 144, .15);
}
.subscribe-form .btn-submit {
  height: 44px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: .9375rem;
  padding: 0 1.5rem;
  border: none;
  border-radius: 8px;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.subscribe-form .btn-submit:hover {
  background: var(--accent-dark);
  box-shadow: 0 6px 16px rgba(14, 116, 144, .25);
  transform: translateY(-1px);
}
.subscribe-form .btn-submit:active { transform: translateY(1px); }
.subscribe-privacy {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
}
.subscribe-success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  color: var(--success);
  font-weight: 600;
  font-size: .9375rem;
  padding: 1rem 0;
}
.subscribe-success i { font-size: 1.3rem; }
.subscribe-form.done { display: none; }
.subscribe-success.show { display: flex; }

/* ===== Replay ===== */
.replay-scroll {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  padding-bottom: .75rem;
  scrollbar-width: none;
}
.replay-scroll::-webkit-scrollbar { display: none; }
.replay-card {
  flex: 0 0 280px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all .2s ease;
}
.replay-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.replay-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #1E293B;
}
.replay-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.replay-card:hover .replay-cover img { transform: scale(1.04); }
.replay-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15, 23, 42, .55) 100%);
}
.duration-badge {
  position: absolute;
  right: .75rem;
  bottom: .75rem;
  background: rgba(15, 23, 42, .75);
  color: #fff;
  font-size: .75rem;
  padding: .2rem .55rem;
  border-radius: 4px;
  z-index: 2;
  font-family: "SF Mono", Consolas, monospace;
}
.date-badge {
  position: absolute;
  left: .75rem;
  top: .75rem;
  background: rgba(255, 255, 255, .92);
  color: var(--text-secondary);
  font-size: .75rem;
  padding: .2rem .6rem;
  border-radius: 999px;
  z-index: 2;
  font-weight: 500;
}
.replay-card .body {
  padding: 1rem 1.1rem 1.25rem;
}
.replay-card .body h4 {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.8em;
}
.replay-card .body p {
  font-size: .8125rem;
  color: var(--text-muted);
  margin-top: .4rem;
}

/* ===== News list (CMS) ===== */
.news-section {
  background: var(--bg);
}
.news-wrapper {
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.news-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid #F1F5F9;
  transition: background .2s ease;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: var(--section-blue); }
.news-thumb {
  flex: 0 0 112px;
  width: 112px;
  height: 84px;
  border-radius: 8px;
  overflow: hidden;
  background: #E2E8F0;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .3rem;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}
.news-cat {
  font-size: .75rem;
  background: #DBEAFE;
  color: var(--primary);
  padding: .15rem .6rem;
  border-radius: 4px;
  font-weight: 500;
}
.news-date {
  font-size: .8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: .35rem;
}
.news-content h4 {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.45;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.news-content p {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.news-empty {
  padding: 4rem 2rem;
  text-align: center;
  background: #F8FAFC;
  border-radius: 0 0 16px 16px;
}
.news-empty i {
  font-size: 2.5rem;
  color: #CBD5E1;
  margin-bottom: .75rem;
}
.news-empty h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: .25rem;
}
.news-empty p {
  font-size: .875rem;
  color: var(--text-muted);
}

/* ===== FAQ ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: .875rem;
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s;
}
.faq-item:hover { box-shadow: var(--shadow-card); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: .9375rem;
  color: var(--text-main);
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon {
  color: var(--accent);
  font-size: .875rem;
  transition: transform .25s ease;
  flex-shrink: 0;
}
.faq-item[open] summary { color: var(--primary); }
.faq-item[open] summary .faq-icon { transform: rotate(45deg); }
.faq-body {
  padding: 0 1.5rem 1.25rem;
  background: #F8FAFC;
  border-top: 1px solid #F1F5F9;
  font-size: .9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--primary);
  padding: 5rem 0;
  margin-top: 2rem;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: .75rem;
}
.cta-inner p {
  color: rgba(255, 255, 255, .85);
  font-size: .9375rem;
  margin-bottom: 2rem;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn-white {
  background: #fff;
  color: var(--primary);
  font-weight: 600;
  font-size: .9375rem;
  padding: .75rem 1.75rem;
  border-radius: 8px;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.btn-white:hover {
  background: #EFF6FF;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, .2);
}
.btn-outline-white {
  border: 1px solid rgba(255, 255, 255, .7);
  color: #fff;
  font-size: .9375rem;
  font-weight: 500;
  padding: .75rem 1.75rem;
  border-radius: 8px;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 4rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand .logo {
  margin-bottom: 1rem;
}
.footer-brand .logo-icon {
  background: rgba(255, 255, 255, .12);
  color: #fff;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand p {
  font-size: .875rem;
  line-height: 1.7;
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: .9375rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.footer-col ul a {
  font-size: .875rem;
  color: #94A3B8;
  transition: color .2s;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.footer-col ul a:hover { color: #fff; }
.footer-col ul a i {
  font-size: .75rem;
  color: #64748B;
}
.footer-contact li {
  font-size: .875rem;
  margin-bottom: .6rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.footer-contact i { color: #64748B; width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, .15);
  padding-top: 1.5rem;
  text-align: center;
  font-size: .8125rem;
  color: #64748B;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-wrapper { gap: 2rem; }
  .section-lg { padding: 5rem 0; }
}
@media (max-width: 768px) {
  .top-nav { height: 60px; }
  .nav-search { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-actions .btn-booking span { display: none; }
  .nav-actions .btn-booking { padding: .55rem .8rem; }
  .hero-wrapper { flex-direction: column; }
  .hero-content { width: 100%; }
  .hero-visual { width: 100%; }
  .hero-section { padding: 3rem 0 2rem; }
  .countdown-card { max-width: 100%; }
  .sticky-bar { top: 108px; }
  .sticky-bar-text { font-size: .8125rem; }
  .highlights-grid { grid-template-columns: 1fr; }
  .highlight-card.offset { margin-top: 0; }
  .section-lg { padding: 4rem 0; }
  .section { padding: 4rem 0; }
  .subscribe-card { padding: 2.5rem 1.5rem; }
  .replay-card { flex: 0 0 240px; }
  .news-item { flex-direction: row; padding: 1rem; }
  .news-thumb { flex: 0 0 80px; width: 80px; height: 64px; }
  .news-content h4 { -webkit-line-clamp: 2; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .btn-white, .btn-outline-white { width: 100%; justify-content: center; }
}
@media (max-width: 520px) {
  .logo-text { font-size: 1rem; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-secondary { justify-content: center; }
  .countdown-card { flex-direction: column; align-items: flex-start; gap: .75rem; padding: 1rem 1.25rem; }
  .countdown-items { width: 100%; justify-content: space-between; }
  .countdown-item { min-width: auto; flex: 1; }
  .section-head { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .replay-card { flex: 0 0 220px; }
  .news-item { flex-direction: column; }
  .news-thumb { flex: none; width: 100%; height: 120px; }
  .sticky-bar-inner { flex-direction: column; height: auto; padding: .6rem 0; gap: .35rem; }
  .sticky-bar { top: 108px; }
  .section-title { font-size: 1.3rem; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1E40AF;
            --primary-dark: #1E3A8A;
            --primary-light: #DBEAFE;
            --secondary: #0E7490;
            --secondary-dark: #155E75;
            --success: #16A34A;
            --warning: #D97706;
            --bg: #F8FAFC;
            --bg-alt: #EFF6FF;
            --card-bg: #FFFFFF;
            --text-main: #0F172A;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --text-body: #334155;
            --border: #E2E8F0;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 16px rgba(30, 41, 59, 0.08);
            --shadow-hover: 0 12px 32px rgba(30, 41, 59, 0.14);
            --space-section: 5rem;
            --space-section-lg: 7.5rem;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            display: block;
            max-width: 100%;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header 双层导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 8px rgba(30, 41, 59, 0.04);
        }

        .top-nav {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            transition: background 0.2s ease;
        }

        .logo:hover .logo-icon {
            background: var(--primary-dark);
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.01em;
        }

        .nav-search {
            position: relative;
            flex: 0 1 240px;
        }

        .nav-search input {
            width: 100%;
            height: 38px;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 38px 0 16px;
            font-size: 0.875rem;
            background: var(--bg);
            color: var(--text-main);
            transition: all 0.2s ease;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-search input:focus {
            outline: none;
            border-color: var(--secondary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.15);
        }

        .nav-search i {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.875rem;
            pointer-events: none;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-booking {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-booking:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
        }

        .btn-booking:active {
            transform: translateY(1px);
        }

        .nav-toggle {
            display: none;
            font-size: 1.25rem;
            color: var(--text-main);
            width: 36px;
            height: 36px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle:hover {
            background: var(--bg);
        }

        .channel-nav {
            background: #fff;
            border-top: 1px solid #F1F5F9;
        }

        .channel-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 48px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .channel-tabs::-webkit-scrollbar {
            display: none;
        }

        .channel-tab {
            flex-shrink: 0;
            padding: 6px 18px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 999px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .channel-tab:hover {
            color: var(--text-main);
            background: var(--bg);
        }

        .channel-tab.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--bg-alt);
        }

        /* ===== Hero 分类主视觉 ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 40%, #1E40AF 70%, #1E3A8A 100%);
            color: #fff;
            padding: 88px 0 96px;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(15, 23, 42, 0.85) 0%, rgba(30, 41, 59, 0.5) 50%, rgba(30, 64, 175, 0.3) 100%);
        }

        .category-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, 0.2);
            color: #E0E7FF;
            font-size: 0.8125rem;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: #60A5FA;
            font-size: 0.75rem;
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .category-hero p {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
        }

        .btn-primary:hover {
            background: var(--bg-alt);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* ===== 频道导读 ===== */
        .section-intro {
            padding: var(--space-section-lg) 0 var(--space-section);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 56px;
            align-items: center;
        }

        .intro-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 14px;
        }

        .intro-eyebrow::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .intro-content h2 {
            font-size: clamp(1.4rem, 2.4vw, 2rem);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .intro-content p {
            font-size: 0.9375rem;
            line-height: 1.85;
            color: var(--text-body);
            margin-bottom: 16px;
        }

        .intro-points {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .intro-point {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .intro-point i {
            color: var(--secondary);
            font-size: 1rem;
            margin-top: 4px;
            width: 20px;
            text-align: center;
        }

        .intro-point span {
            font-size: 0.9375rem;
            color: var(--text-main);
            font-weight: 500;
        }

        .intro-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .intro-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius);
        }

        .intro-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.3) 100%);
            border-radius: var(--radius);
        }

        /* ===== 赛事亮点 ===== */
        .section-highlights {
            background: var(--bg-alt);
            padding: var(--space-section) 0;
        }

        .section-heading {
            margin-bottom: 40px;
        }

        .section-heading .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-heading h2 {
            font-size: clamp(1.4rem, 2.4vw, 2rem);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            position: relative;
            padding-left: 16px;
        }

        .section-heading h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--primary);
            border-radius: 4px;
        }

        .section-heading p {
            margin-top: 14px;
            color: var(--text-secondary);
            font-size: 0.9375rem;
            max-width: 560px;
        }

        .highlight-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 28px;
        }

        .highlight-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: #DBEAFE;
        }

        .highlight-card.wide {
            grid-column: span 1;
        }

        .highlight-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--bg-alt);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 18px;
        }

        .highlight-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .highlight-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .highlight-list {
            margin-top: 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.875rem;
            color: var(--text-body);
        }

        .highlight-list li i {
            color: var(--success);
            font-size: 0.8125rem;
            margin-top: 5px;
        }

        /* ===== 观赛数据 ===== */
        .section-stats {
            padding: var(--space-section) 0;
            background: #fff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .stat-item {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius);
            background: var(--bg);
            transition: all 0.2s ease;
        }

        .stat-item:hover {
            background: var(--bg-alt);
            box-shadow: var(--shadow);
        }

        .stat-number {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .stat-number span {
            font-size: 1.25rem;
            color: var(--secondary);
            margin-left: 2px;
        }

        .stat-label {
            margin-top: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        /* ===== 赛事焦点 ===== */
        .section-match {
            padding: var(--space-section) 0;
            background: var(--bg);
        }

        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .match-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.2s ease;
        }

        .match-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .match-cover {
            position: relative;
            height: 160px;
            overflow: hidden;
        }

        .match-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .match-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(15, 23, 42, 0.45) 100%);
        }

        .match-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(30, 64, 175, 0.9);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 999px;
            z-index: 1;
        }

        .match-date {
            position: absolute;
            bottom: 10px;
            right: 12px;
            color: #fff;
            font-size: 0.75rem;
            background: rgba(15, 23, 42, 0.55);
            padding: 3px 10px;
            border-radius: 6px;
            z-index: 1;
        }

        .match-body {
            padding: 20px;
        }

        .match-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .match-body p {
            font-size: 0.8125rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 观赛流程 ===== */
        .section-flow {
            background: var(--bg-alt);
            padding: var(--space-section) 0;
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .flow-step {
            position: relative;
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 22px;
            box-shadow: var(--shadow);
            transition: all 0.2s ease;
        }

        .flow-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .step-num {
            font-size: 0.8125rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 0.08em;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .step-num::after {
            content: "";
            flex: 0 1 30px;
            height: 1px;
            background: var(--border);
        }

        .flow-step h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .flow-step p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .section-faq {
            padding: var(--space-section) 0;
            background: #fff;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .faq-item:hover {
            border-color: #BFDBFE;
        }

        .faq-item.open {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-main);
            background: none;
            width: 100%;
            text-align: left;
            transition: all 0.2s ease;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8125rem;
            color: var(--secondary);
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-icon {
            background: var(--secondary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid #F1F5F9;
            padding-top: 16px;
            margin-top: 0;
        }

        /* ===== CTA ===== */
        .section-cta {
            background: var(--primary);
            padding: 68px 0;
            margin-top: var(--space-section);
            position: relative;
            overflow: hidden;
        }

        .section-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
        }

        .section-cta .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .section-cta h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-cta p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin: 0 auto 32px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 12px 30px;
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
        }

        .btn-cta-primary:hover {
            background: var(--bg-alt);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            transform: translateY(-2px);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
        }

        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F172A;
            color: #94A3B8;
            padding: 64px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand p {
            font-size: 0.875rem;
            line-height: 1.8;
            color: #94A3B8;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 0.875rem;
            color: #94A3B8;
            transition: all 0.2s ease;
        }

        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-col a i {
            font-size: 0.75rem;
            margin-right: 6px;
            color: #64748B;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.875rem;
            line-height: 1.7;
            color: #94A3B8;
        }

        .footer-contact i {
            color: var(--secondary);
            margin-top: 4px;
            font-size: 0.875rem;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.8125rem;
            color: #64748B;
        }

        /* ===== 移动端导航响应式 ===== */
        @media (max-width: 1024px) {
            .nav-search {
                flex: 0 1 180px;
            }

            .intro-grid {
                gap: 36px;
            }

            .highlight-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 3.5rem;
                --space-section-lg: 5rem;
            }

            .nav-search {
                flex: 0 0 auto;
                width: 36px;
            }

            .nav-search input {
                display: none;
            }

            .nav-search::after {
                content: "\f002";
                font-family: "Font Awesome 6 Free";
                font-weight: 900;
                position: absolute;
                right: 10px;
                top: 50%;
                transform: translateY(-50%);
                color: var(--text-muted);
                font-size: 0.875rem;
            }

            .nav-toggle {
                display: flex;
            }

            .btn-booking span {
                display: none;
            }

            .btn-booking {
                width: 38px;
                height: 38px;
                padding: 0;
                justify-content: center;
                border-radius: 8px;
            }

            .intro-grid {
                grid-template-columns: 1fr;
            }

            .intro-image img {
                height: 240px;
            }

            .highlight-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .match-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .flow-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .section-cta {
                padding: 52px 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                padding: 56px 0 64px;
            }

            .category-hero p {
                font-size: 0.9375rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                justify-content: center;
            }

            .match-grid {
                grid-template-columns: 1fr;
            }

            .flow-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }

            .stat-number {
                font-size: 1.75rem;
            }

            .faq-question {
                font-size: 0.875rem;
            }
        }

/* roulang page: article */
:root {
  --primary: #1E40AF;
  --primary-dark: #1E3A8A;
  --primary-light: #DBEAFE;
  --secondary: #0E7490;
  --secondary-dark: #155E75;
  --success: #16A34A;
  --warning: #D97706;
  --bg: #F8FAFC;
  --bg-blue: #EFF6FF;
  --card: #FFFFFF;
  --text: #0F172A;
  --text-2: #475569;
  --text-3: #64748B;
  --border: #E2E8F0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 16px rgba(30, 41, 59, 0.08);
  --shadow-hover: 0 12px 32px rgba(30, 41, 59, 0.14);
  --transition: all 0.2s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input { font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航 */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.top-nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary);
  white-space: nowrap;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}
.logo-text { font-size: 1.25rem; letter-spacing: 0.5px; }
.nav-search { position: relative; flex: 0 1 240px; }
.nav-search input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 1rem 0 2.5rem;
  font-size: 0.875rem;
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
.nav-search input:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.15);
  background: #fff;
}
.nav-search i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  font-size: 0.875rem;
}
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.btn-booking {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary);
  color: #fff;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-booking:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 16px rgba(30, 64, 175, 0.25);
  transform: translateY(-1px);
}
.btn-booking:active { transform: translateY(1px); }
.nav-toggle { display: none; font-size: 1.25rem; color: var(--text); }

.channel-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.channel-tabs {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.channel-tabs::-webkit-scrollbar { display: none; }
.channel-tab {
  display: inline-flex;
  align-items: center;
  padding: 0.72rem 1rem 0.6rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.channel-tab:hover { color: var(--text); }
.channel-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* 文章主区域 */
.article-main {
  padding: 2.5rem 0 4rem;
  min-height: 60vh;
}
.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--text-3);
  margin-bottom: 1.5rem;
  gap: 0.4rem;
}
.breadcrumb a { color: var(--text-3); transition: var(--transition); }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb-sep { color: #CBD5E1; }
.breadcrumb-current {
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 280px;
}

/* 文章标题区 */
.article-header {
  padding: 2rem 0 1.5rem;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  padding: 2.5rem 2.5rem 2rem;
  position: relative;
}
.article-header::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
  margin-top: 1.25rem;
}
.article-header h1 {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 0.9rem;
}
.article-desc {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-3);
  margin-bottom: 1.1rem;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.8125rem;
  color: var(--text-3);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.article-meta i { color: var(--secondary); font-size: 0.8125rem; }
.article-meta .badge-cat {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.75rem;
}

/* 文章正文 */
.article-content {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem;
  font-size: 1rem;
  line-height: 1.9;
  color: #334155;
  word-wrap: break-word;
}
.article-content p {
  margin-bottom: 1.5em;
  max-width: 70ch;
}
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2.5em 0 1em;
  color: var(--text);
  line-height: 1.3;
  position: relative;
  padding-left: 0.9rem;
}
.article-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.25em;
  bottom: 0.25em;
  width: 4px;
  background: var(--primary);
  border-radius: 2px;
}
.article-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 2em 0 0.8em;
  color: var(--text);
}
.article-content img {
  border-radius: var(--radius);
  margin: 2em auto;
  box-shadow: var(--shadow);
}
.article-content figcaption {
  font-size: 0.8125rem;
  color: var(--text-3);
  text-align: center;
  margin-top: -1.2em;
  margin-bottom: 2em;
}
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: #F8FAFC;
  padding: 1.2rem 1.5rem;
  margin: 2em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-2);
}
.article-content ul {
  margin: 1.5em 0;
  padding-left: 1.4em;
  list-style: disc;
}
.article-content ol {
  margin: 1.5em 0;
  padding-left: 1.4em;
  list-style: decimal;
}
.article-content li {
  margin-bottom: 0.5em;
}
.article-content a {
  color: var(--secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}
.article-content a:hover {
  color: var(--primary);
  text-decoration-color: var(--primary);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.9rem;
}
.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 0.75em 1em;
  text-align: left;
}
.article-content th {
  background: var(--bg-blue);
  font-weight: 600;
  color: var(--text);
}
.article-content pre {
  background: #0F172A;
  color: #E2E8F0;
  padding: 1.5em;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 1.5em 0;
  font-size: 0.875rem;
  line-height: 1.7;
}
.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
.article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5em 0;
}

/* 相关推荐 */
.related-section {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.related-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.related-section h2::before {
  content: "";
  width: 4px;
  height: 20px;
  background: var(--primary);
  border-radius: 2px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.related-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.related-card .card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.related-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.related-card:hover .card-img img { transform: scale(1.04); }
.card-cat {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(15, 23, 42, 0.72);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.related-card .card-body {
  padding: 1rem 1.1rem 1.1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.related-card .card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.8em;
}
.related-card .card-desc {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-3);
  margin-bottom: 0.9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-3);
}
.related-card .card-foot .cat-tag {
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-weight: 500;
}
.back-wrap {
  margin-top: 2.5rem;
  text-align: center;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}
.back-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.08);
}

/* 无文章 */
.not-found {
  text-align: center;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 5rem 2rem;
}
.not-found-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  background: var(--bg-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
}
.not-found h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.not-found p {
  color: var(--text-3);
  font-size: 0.9375rem;
  margin-bottom: 1.75rem;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary);
  color: #fff;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 8px 20px rgba(30, 64, 175, 0.25);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); }

/* 页脚 */
.site-footer {
  background: #0F172A;
  color: #94A3B8;
  margin-top: 3rem;
  padding: 3.5rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 1rem;
}
.footer-brand .logo-icon {
  background: var(--primary);
}
.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.8;
  max-width: 34rem;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.footer-col ul li {
  margin-bottom: 0.65rem;
  font-size: 0.875rem;
}
.footer-col ul li a {
  color: #94A3B8;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.footer-col ul li a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-col ul li i {
  font-size: 0.75rem;
  color: var(--secondary);
  width: 14px;
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.footer-contact li i {
  margin-top: 0.25rem;
}
.footer-bottom {
  padding: 1.5rem 0;
  font-size: 0.8125rem;
  color: #64748B;
  text-align: center;
}

/* 响应式 */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { gap: 1.8rem; }
}
@media (max-width: 768px) {
  .nav-search { display: none; }
  .nav-toggle { display: inline-flex; }
  .btn-booking span { display: none; }
  .btn-booking { padding: 0.5rem 0.85rem; }
  .logo-text { font-size: 1.05rem; }
  .article-header { padding: 1.8rem 1.4rem 1.5rem; }
  .article-content { padding: 1.6rem 1.25rem; }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .article-container { padding: 0 16px; }
}
@media (max-width: 640px) {
  .related-grid { grid-template-columns: 1fr; }
  .article-main { padding: 1.5rem 0 3rem; }
  .article-header h1 { font-size: 1.4rem; }
  .article-content { font-size: 0.9375rem; line-height: 1.85; }
  .article-content h2 { font-size: 1.25rem; }
  .breadcrumb-current { max-width: 160px; }
  .footer-bottom { text-align: left; padding: 1.2rem 0; }
}

@media (max-width: 480px) {
  .top-nav { gap: 0.5rem; }
  .channel-tab { padding: 0.65rem 0.75rem 0.55rem; font-size: 0.8125rem; }
  .article-meta { gap: 0.9rem; }
}
