/* roulang page: index */
:root {
  --bg-body: #0f111a;
  --bg-card: #181b29;
  --bg-elevated: #202438;
  --bg-footer: #0a0c12;
  --primary-start: #6366f1;
  --primary-end: #a855f7;
  --accent: #f59e0b;
  --accent-2: #22d3ee;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(148, 163, 184, 0.15);
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 8px 40px rgba(99, 102, 241, 0.18);
  --shadow-btn: 0 4px 16px rgba(99, 102, 241, 0.35);
  --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition-base: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition-base); }
a:hover { color: var(--accent-2); }
img { max-width: 100%; height: auto; display: block; }
button, input { font-family: inherit; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
.section { padding: 5rem 0; position: relative; }
@media (max-width: 768px) { .section { padding: 3rem 0; } }
.h2-title {
  font-size: clamp(1.5rem, 2.5vw, 1.9rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1.25rem;
  position: relative;
  padding-left: 16px;
}
.h2-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25em;
  bottom: 0.25em;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary-start), var(--primary-end));
}
.h2-sub { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 3rem; max-width: 620px; line-height: 1.8; }

/* ===== Buttons ===== */
.btn {
  border-radius: var(--radius-pill);
  font-weight: 600;
  padding: 0.7rem 2rem;
  transition: var(--transition-base);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}
.btn:focus { outline: 3px solid rgba(99, 102, 241, 0.4); box-shadow: none; }
.btn-grad {
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: #fff;
  border: none;
  box-shadow: var(--shadow-btn);
}
.btn-grad:hover { color: #fff; filter: brightness(1.1); box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45); transform: translateY(-1px); }
.btn-grad:active { transform: translateY(1px); filter: brightness(0.95); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: none;
}
.btn-ghost:hover { color: #fff; background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.55); }
.btn-white { background: #fff; color: #1a1d2e; border: none; }
.btn-white:hover { color: #1a1d2e; background: #f0f2fa; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2); }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1080;
  pointer-events: none;
}
.nav-capsule {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(15, 17, 26, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-pill);
  padding: 6px 28px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  pointer-events: auto;
  transition: var(--transition-base);
}
.nav-capsule.scrolled { background: rgba(15, 17, 26, 0.92); box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6); }
.navbar { padding: 0; }
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  padding: 0;
}
.navbar-brand:hover { color: var(--text-primary); }
.brand-star {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: #fff;
  font-size: 0.85rem;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.5);
}
.brand-text { letter-spacing: 0.5px; }
.navbar-nav { gap: 4px; }
.navbar-nav .nav-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  transition: var(--transition-base);
}
.navbar-nav .nav-link:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.06); }
.navbar-nav .nav-link.active { color: #fff; background: linear-gradient(135deg, var(--primary-start), var(--primary-end)); }
.nav-login-btn {
  font-size: 0.85rem;
  padding: 0.45rem 1.6rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--text-primary);
  border-radius: var(--radius-pill);
  background: transparent;
  transition: var(--transition-base);
}
.nav-login-btn:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
.navbar-toggler { border: none; color: var(--text-primary); padding: 6px 10px; }
.navbar-toggler:focus { box-shadow: none; outline: 2px solid rgba(99, 102, 241, 0.4); }
.navbar-toggler .bi { font-size: 1.4rem; color: var(--text-primary); }
@media (max-width: 991.98px) {
  .nav-capsule { border-radius: 28px; padding: 8px 20px; }
  .navbar-collapse {
    background: rgba(15, 17, 26, 0.97);
    border-radius: 20px;
    padding: 16px;
    margin-top: 14px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  }
  .navbar-nav { gap: 8px; }
  .navbar-nav .nav-link { padding: 10px 18px; border-radius: 14px; }
  .nav-login-btn { margin-top: 10px; width: 100%; text-align: center; }
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 150px 0 90px;
  background:
    linear-gradient(135deg, rgba(15, 17, 26, 0.82) 0%, rgba(24, 20, 44, 0.88) 50%, rgba(15, 17, 26, 0.85) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(2px 2px at 15% 25%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1.5px 1.5px at 85% 18%, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1px 1px at 65% 70%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(2px 2px at 30% 65%, rgba(167, 139, 250, 0.4), transparent);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }
.hero-cover-col { position: relative; }
.hero-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 11;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.hero-cover img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-lg); }
.hero-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55), transparent 60%);
  pointer-events: none;
}
.hero-live-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(239, 68, 68, 0.92);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 1px;
}
.hero-live-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: #fff; animation: pulse-dot 1.2s infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero-cover-time {
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 3;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 0.8rem;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
}
.hero-info-col { display: flex; flex-direction: column; justify-content: center; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.hero-eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 2px;
}
.hero-title {
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 18px;
  color: #fff;
}
.hero-title .gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, var(--primary-end) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-subtitle {
  font-size: 1.02rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 420px;
  line-height: 1.8;
}
.countdown-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
}
.count-label-head { font-size: 0.85rem; color: var(--text-muted); margin-right: 4px; }
.count-box {
  background: rgba(20, 23, 35, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 14px;
  padding: 10px 14px;
  text-align: center;
  min-width: 60px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
.count-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  display: block;
  line-height: 1.2;
}
.count-label { font-size: 0.75rem; color: var(--text-muted); display: block; margin-top: 2px; }
.count-sep { font-size: 1.4rem; color: var(--text-muted); font-weight: 300; }
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.hero-tag {
  font-size: 0.8rem;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  background: rgba(99, 102, 241, 0.12);
  color: #b5b8ff;
  border: 1px solid rgba(99, 102, 241, 0.3);
}
.hero-tag.hot { background: rgba(245, 158, 11, 0.1); color: #fbbf24; border-color: rgba(245, 158, 11, 0.35); }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-info-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.hero-info-bar i { color: var(--accent-2); margin-right: 4px; }
@media (max-width: 991.98px) {
  .hero-section { padding: 130px 0 70px; }
  .hero-cover-col { margin-bottom: 36px; }
  .hero-title { font-size: 2rem; }
}
@media (max-width: 575.98px) {
  .hero-section { padding: 110px 0 50px; }
  .count-box { min-width: 52px; padding: 8px 10px; }
  .count-num { font-size: 1.4rem; }
  .btn { padding: 0.6rem 1.4rem; }
}

/* ===== Data Badge Bar ===== */
.data-bar {
  background: #14161f;
  border-top: 1px solid rgba(148, 163, 184, 0.06);
  border-bottom: 1px solid rgba(148, 163, 184, 0.06);
  padding: 2.8rem 0;
  position: relative;
}
.data-badge {
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 100%;
  transition: var(--transition-base);
}
.data-badge:hover { border-color: rgba(99, 102, 241, 0.4); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.badge-icon {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.35);
}
.badge-icon.amber { background: linear-gradient(135deg, #f59e0b, #f97316); box-shadow: 0 0 16px rgba(245, 158, 11, 0.3); }
.badge-icon.cyan { background: linear-gradient(135deg, #22d3ee, #3b82f6); box-shadow: 0 0 16px rgba(34, 211, 238, 0.3); }
.badge-num {
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.badge-icon.amber + .badge-text .badge-num { background: linear-gradient(135deg, #fde68a, #fbbf24); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.badge-icon.cyan + .badge-text .badge-num { background: linear-gradient(135deg, #a5f3fc, #22d3ee); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.badge-label { font-size: 0.82rem; color: var(--text-secondary); margin-top: 2px; }
@media (max-width: 767.98px) {
  .data-bar { padding: 1.8rem 0; }
  .data-badge { padding: 16px 14px; gap: 12px; }
  .badge-icon { width: 40px; height: 40px; font-size: 1.1rem; border-radius: 12px; }
  .badge-num { font-size: 1.3rem; }
}

/* ===== Live Section / CMS ===== */
.live-section { background: var(--bg-body); }
.live-card {
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 20px;
  overflow: hidden;
  height: 100%;
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}
.live-card:hover { box-shadow: var(--shadow-hover); border-color: rgba(99, 102, 241, 0.35); transform: translateY(-4px); }
.live-card-cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.live-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.live-card:hover .live-card-cover img { transform: scale(1.05); }
.live-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  background: rgba(239, 68, 68, 0.92);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}
.live-card-time {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 2;
  font-size: 0.75rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.live-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.live-card-cat { font-size: 0.75rem; color: var(--accent-2); font-weight: 600; letter-spacing: 1px; margin-bottom: 8px; text-transform: uppercase; }
.live-card-title { font-size: 1.1rem; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
.live-card-title a { color: var(--text-primary); }
.live-card-title a:hover { color: var(--accent-2); }
.live-card-excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  flex: 1;
}
.live-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  padding-top: 12px;
  margin-top: auto;
}
.link-more { color: var(--primary-start); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; transition: var(--transition-base); }
.link-more:hover { color: var(--primary-end); gap: 8px; }
.empty-block {
  text-align: center;
  padding: 60px 20px;
  border: 2px dashed rgba(148, 163, 184, 0.2);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}
.empty-block i { font-size: 2.4rem; display: block; margin-bottom: 16px; color: var(--text-muted); opacity: 0.6; }
.empty-block p { font-size: 1rem; }

/* ===== Highlights ===== */
.highlight-section { background: #12141e; }
.highlight-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 26px 24px;
  background: rgba(24, 27, 41, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 20px;
  margin-bottom: 18px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}
.highlight-item:hover { background: var(--bg-card); border-color: rgba(99, 102, 241, 0.35); transform: translateX(6px); }
.hl-num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #a5b4fc, var(--primary-end));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
  min-width: 52px;
  font-style: italic;
}
.hl-info { flex: 1; }
.hl-info h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.hl-info p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; margin: 0; }
.hl-icon {
  font-size: 1.6rem;
  color: var(--accent-2);
  opacity: 0.7;
  flex: 0 0 auto;
  transition: var(--transition-base);
}
.highlight-item:hover .hl-icon { opacity: 1; transform: scale(1.1); }
@media (max-width: 767.98px) {
  .highlight-item { padding: 20px 16px; gap: 14px; }
  .hl-num { font-size: 1.6rem; min-width: 40px; }
  .hl-icon { font-size: 1.3rem; }
}

/* ===== Category Cards ===== */
.category-wrapper { margin-bottom: 32px; }
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.12);
  transition: var(--transition-base);
  height: 100%;
}
.category-card:hover { box-shadow: var(--shadow-hover); border-color: rgba(99, 102, 241, 0.4); transform: translateY(-4px); }
.category-cover { position: relative; height: 210px; overflow: hidden; }
.category-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.category-card:hover .category-cover img { transform: scale(1.06); }
.category-cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, var(--bg-card), transparent 70%); }
.category-icon {
  position: absolute;
  bottom: 16px;
  left: 20px;
  z-index: 2;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: #fff;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}
.category-card.type2 .category-icon { background: linear-gradient(135deg, #f59e0b, #f97316); box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4); }
.category-body { padding: 24px 24px 28px; }
.category-body h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; }
.category-body p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 18px; }
.category-link { font-size: 0.9rem; font-weight: 600; color: var(--primary-start); display: inline-flex; align-items: center; gap: 6px; }
.category-card.type2 .category-link { color: #f59e0b; }
.category-card.type2 .category-link:hover { color: #f97316; }
.category-link:hover { gap: 10px; }

/* ===== Replay Section ===== */
.replay-section { background: var(--bg-body); }
.replay-card {
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.12);
  height: 100%;
  transition: var(--transition-base);
}
.replay-card:hover { box-shadow: var(--shadow-hover); border-color: rgba(34, 211, 238, 0.3); transform: translateY(-4px); }
.replay-cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.replay-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.replay-card:hover .replay-cover img { transform: scale(1.04); }
.replay-duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  font-size: 0.75rem;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}
.replay-body { padding: 18px 20px 22px; }
.replay-body h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.45; }
.replay-body p { font-size: 0.85rem; color: var(--text-secondary); margin: 0; display: flex; align-items: center; gap: 8px; }
.replay-body p i { color: var(--accent-2); }
.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary-start);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-base);
  z-index: 2;
}
.replay-card:hover .play-icon { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ===== Subscribe CTA ===== */
.subscribe-section { position: relative; background: #12141e; }
.subscribe-card {
  border-radius: 28px;
  padding: 56px 48px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.95) 0%, rgba(76, 44, 130, 0.9) 45%, rgba(15, 17, 26, 0.92) 100%);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}
.subscribe-card::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  top: -60px;
  right: -40px;
}
.subscribe-card::after {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.15);
  bottom: -30px;
  left: 20%;
}
.subscribe-card h2 { font-size: 1.7rem; font-weight: 800; color: #fff; margin-bottom: 12px; position: relative; z-index: 1; }
.subscribe-card .sub-desc { color: rgba(255, 255, 255, 0.75); font-size: 0.95rem; margin-bottom: 28px; position: relative; z-index: 1; }
.subscribe-form { display: flex; gap: 12px; flex-wrap: wrap; max-width: 520px; position: relative; z-index: 1; }
.subscribe-form .form-control {
  flex: 1;
  min-width: 220px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  padding: 0.72rem 1.4rem;
  font-size: 0.9rem;
  backdrop-filter: blur(4px);
}
.subscribe-form .form-control:focus { background: rgba(255, 255, 255, 0.18); border-color: #fff; box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.15); color: #fff; }
.subscribe-form .form-control::placeholder { color: rgba(255, 255, 255, 0.5); }
.form-tip { color: #a5f3fc; font-size: 0.85rem; margin-top: 10px; opacity: 0; transition: opacity 0.4s ease; max-width: 100%; }
@media (max-width: 767.98px) {
  .subscribe-card { padding: 40px 24px; border-radius: 20px; }
  .subscribe-form { flex-direction: column; }
  .subscribe-form .btn { width: 100%; }
}

/* ===== FAQ ===== */
.faq-section { background: var(--bg-body); }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion-item {
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius-md) !important;
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition-base);
}
.accordion-item:hover { border-color: rgba(99, 102, 241, 0.3); }
.accordion-button {
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 20px 24px;
  border: none;
  border-radius: var(--radius-md) !important;
  box-shadow: none !important;
  transition: var(--transition-base);
}
.accordion-button:hover { background: var(--bg-elevated); color: var(--accent-2); }
.accordion-button:not(.collapsed) { color: var(--accent-2); background: var(--bg-elevated); }
.accordion-button::after {
  content: '+';
  background-image: none !important;
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-secondary);
  width: auto;
  height: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}
.accordion-button:not(.collapsed)::after { transform: rotate(45deg); color: var(--accent-2); }
.accordion-body {
  background: #1b1d2b;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.8;
  padding: 18px 24px 22px;
  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  padding: 4rem 0 0;
}
.footer-brand { display: flex; align-items: center; gap: 8px; font-size: 1.15rem; font-weight: 700; margin-bottom: 14px; }
.footer-brand .brand-star { width: 28px; height: 28px; font-size: 0.75rem; }
.footer-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; max-width: 260px; margin-bottom: 20px; }
.footer-title { font-size: 0.92rem; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; letter-spacing: 1px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 0.85rem; color: var(--text-secondary); transition: var(--transition-base); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact { list-style: none; padding: 0; margin: 0; font-size: 0.85rem; color: var(--text-secondary); }
.footer-contact li { margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--accent-2); }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(148, 163, 184, 0.25);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: var(--transition-base);
}
.footer-social a:hover { background: var(--primary-start); border-color: var(--primary-start); color: #fff; transform: translateY(-2px); }
.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  padding: 1.5rem 0;
  margin-top: 3rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: #fff; }
@media (max-width: 767.98px) {
  .site-footer { padding-top: 2.5rem; }
  .footer-bottom { margin-top: 2rem; }
}

/* ===== Scroll to top ===== */
.back-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: #fff;
  border: none;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-btn);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition-base);
  z-index: 999;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { filter: brightness(1.1); }
@media (max-width: 575.98px) {
  .back-top { bottom: 80px; right: 16px; width: 40px; height: 40px; }
}

/* ===== Mobile bottom bar for nav if needed ===== */
@media (max-width: 767.98px) {
  .nav-capsule { max-width: calc(100% - 24px); }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: #2e3448; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-start); }

/* ===== Focus visibility ===== */
a:focus-visible, button:focus-visible, .accordion-button:focus-visible {
  outline: 3px solid rgba(99, 102, 241, 0.5);
  outline-offset: 2px;
  border-radius: 8px;
}

/* roulang page: category1 */
:root {
      --bg-body: #0f111a;
      --bg-card: #181b29;
      --bg-elevated: #202438;
      --bg-deep: #0a0c12;
      --primary-start: #6366f1;
      --primary-end: #a855f7;
      --accent: #f59e0b;
      --accent-2: #22d3ee;
      --text-primary: #f1f5f9;
      --text-secondary: #94a3b8;
      --text-muted: #64748b;
      --border-color: rgba(148, 163, 184, 0.15);
      --border-strong: rgba(148, 163, 184, 0.28);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
      --shadow-hover: 0 8px 40px rgba(99, 102, 241, 0.18);
      --shadow-btn: 0 4px 16px rgba(99, 102, 241, 0.35);
      --grad-brand: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
      --grad-cta: linear-gradient(135deg, #6366f1 0%, #0f111a 80%);
      --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-main);
      background-color: var(--bg-body);
      background-image: radial-gradient(rgba(99, 102, 241, 0.055) 1px, transparent 1px);
      background-size: 28px 28px;
      color: var(--text-primary);
      line-height: 1.8;
      font-size: 0.95rem;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--accent-2);
      text-decoration: none;
      transition: color 0.2s ease;
    }

    a:hover {
      color: #67e8f9;
    }

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

    button, input, select, textarea {
      font-family: inherit;
    }

    .container {
      max-width: 1200px;
    }

    /* 导航 */
    .site-header {
      position: fixed;
      top: 16px;
      left: 0;
      right: 0;
      z-index: 1050;
      pointer-events: none;
      padding: 0 16px;
    }

    .nav-capsule {
      pointer-events: auto;
      max-width: 1200px;
      margin: 0 auto;
      background: rgba(15, 17, 26, 0.78);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-color);
      border-radius: 999px;
      padding: 8px 24px;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      flex-wrap: nowrap;
    }

    .navbar-brand {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0;
      margin-right: 1rem;
      font-weight: 700;
      font-size: 1.15rem;
      color: var(--text-primary);
      white-space: nowrap;
      transition: opacity 0.2s;
    }

    .navbar-brand:hover {
      color: var(--text-primary);
      opacity: 0.85;
    }

    .brand-star {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--grad-brand);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      color: #fff;
      box-shadow: 0 0 12px rgba(99, 102, 241, 0.45);
      flex-shrink: 0;
    }

    .brand-text {
      letter-spacing: 0.02em;
    }

    .navbar-toggler {
      border: 1px solid var(--border-color);
      border-radius: 999px;
      color: var(--text-primary);
      font-size: 1.3rem;
      padding: 4px 12px;
      background: transparent;
      transition: background 0.2s;
    }

    .navbar-toggler:hover {
      background: rgba(255, 255, 255, 0.06);
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.35);
      outline: none;
    }

    .navbar-collapse {
      flex-grow: 0;
    }

    .navbar-nav {
      gap: 2px;
    }

    .nav-item {
      list-style: none;
    }

    .nav-link {
      color: var(--text-secondary);
      font-weight: 500;
      font-size: 0.93rem;
      border-radius: 999px;
      padding: 6px 16px !important;
      transition: all 0.25s ease;
      position: relative;
    }

    .nav-link:hover {
      color: var(--text-primary);
      background: rgba(255, 255, 255, 0.06);
    }

    .nav-link.active {
      color: #fff;
      background: var(--grad-brand);
      box-shadow: 0 2px 10px rgba(99, 102, 241, 0.35);
    }

    .nav-link.active::after {
      display: none;
    }

    .nav-login-btn {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid var(--border-color);
      color: var(--text-primary);
      border-radius: 999px;
      padding: 5px 20px;
      font-size: 0.88rem;
      font-weight: 500;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .nav-login-btn:hover {
      background: rgba(255, 255, 255, 0.15);
      border-color: var(--border-strong);
      color: var(--text-primary);
    }

    .nav-login-btn:focus {
      outline: none;
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.4);
    }

    @media (max-width: 991.98px) {
      .site-header {
        top: 12px;
      }
      .nav-capsule {
        border-radius: 28px;
        padding: 10px 18px;
      }
      .navbar-collapse {
        background: rgba(15, 17, 26, 0.97);
        backdrop-filter: blur(18px);
        border: 1px solid var(--border-color);
        border-radius: 20px;
        padding: 14px;
        margin-top: 10px;
        max-height: 70vh;
        overflow-y: auto;
      }
      .navbar-nav {
        flex-direction: column;
        gap: 6px;
        width: 100%;
      }
      .nav-link {
        padding: 10px 16px !important;
        font-size: 1rem;
      }
      .nav-login-btn {
        margin-top: 10px;
        width: 100%;
        text-align: center;
      }
    }

    /* 通用 Section */
    .section {
      padding: 4.5rem 0;
      position: relative;
    }

    .section-title-wrap {
      margin-bottom: 2.5rem;
    }

    .section-title {
      font-size: clamp(1.5rem, 2.6vw, 2rem);
      font-weight: 700;
      line-height: 1.4;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 0.5rem;
    }

    .section-title::before {
      content: "";
      display: inline-block;
      width: 6px;
      height: 28px;
      border-radius: 4px;
      background: var(--grad-brand);
      flex-shrink: 0;
    }

    .section-sub {
      color: var(--text-secondary);
      font-size: 0.95rem;
      max-width: 560px;
      line-height: 1.7;
      margin-top: 0.25rem;
    }

    @media (max-width: 767.98px) {
      .section {
        padding: 2.8rem 0;
      }
      .section-title {
        font-size: 1.4rem;
      }
    }

    /* Hero */
    .cat-hero {
      position: relative;
      padding: 10rem 0 5rem;
      overflow: hidden;
    }

    .cat-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 17, 26, 0.55) 0%, rgba(15, 17, 26, 0.92) 100%);
      z-index: 0;
    }

    .cat-hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      z-index: -1;
    }

    .cat-hero .container {
      position: relative;
      z-index: 1;
    }

    .cat-hero h1 {
      font-size: clamp(2.2rem, 5vw, 3.4rem);
      font-weight: 800;
      letter-spacing: 0.03em;
      line-height: 1.25;
      margin-bottom: 1rem;
      background: linear-gradient(120deg, #f1f5f9 30%, var(--primary-end) 70%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      display: inline-block;
    }

    .cat-hero-desc {
      color: var(--text-secondary);
      font-size: 1.05rem;
      max-width: 560px;
      line-height: 1.8;
      margin-bottom: 1.5rem;
    }

    .cat-hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 16px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border-color);
      color: var(--text-secondary);
      font-size: 0.85rem;
      font-weight: 500;
      transition: all 0.25s;
    }

    .tag:hover {
      background: rgba(255, 255, 255, 0.1);
      color: var(--text-primary);
      border-color: var(--border-strong);
    }

    .tag i {
      color: var(--accent);
    }

    .cat-hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      margin-top: 2rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--border-color);
    }

    .cat-hero-meta span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--text-secondary);
      font-size: 0.88rem;
    }

    .cat-hero-meta i {
      color: var(--accent-2);
      font-size: 1.1rem;
    }

    @media (max-width: 767.98px) {
      .cat-hero {
        padding: 7.5rem 0 3rem;
      }
      .cat-hero h1 {
        font-size: 2rem;
      }
      .cat-hero-meta {
        gap: 12px;
      }
    }

    /* 精选卡片区域 */
    .featured-area {
      position: relative;
    }

    .featured-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      border: 2px solid var(--border-color);
      background: var(--bg-card);
      box-shadow: var(--shadow-card);
      transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .featured-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(99, 102, 241, 0.4);
    }

    .featured-card-main {
      min-height: 420px;
    }

    .featured-card-main .featured-cover {
      height: 260px;
    }

    .featured-cover {
      position: relative;
      width: 100%;
      overflow: hidden;
    }

    .featured-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .featured-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0, 0, 0, 0.65), transparent 50%);
    }

    .badge-corner {
      position: absolute;
      top: 14px;
      left: 14px;
      z-index: 2;
      padding: 4px 14px;
      border-radius: 999px;
      background: var(--grad-brand);
      color: #fff;
      font-size: 0.78rem;
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .badge-live {
      position: absolute;
      bottom: 14px;
      right: 14px;
      z-index: 2;
      padding: 3px 12px;
      border-radius: 999px;
      background: rgba(0, 0, 0, 0.65);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      backdrop-filter: blur(4px);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .badge-live i {
      color: #ef4444;
    }

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

    .featured-body h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.45;
      color: var(--text-primary);
    }

    .featured-body p {
      color: var(--text-secondary);
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 14px;
      flex: 1;
    }

    .featured-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      flex-wrap: wrap;
    }

    .featured-tag-line {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .mini-tag {
      padding: 2px 10px;
      border-radius: 999px;
      background: rgba(34, 211, 238, 0.12);
      color: var(--accent-2);
      font-size: 0.75rem;
      border: 1px solid rgba(34, 211, 238, 0.2);
    }

    .mini-tag-warn {
      background: rgba(245, 158, 11, 0.12);
      color: var(--accent);
      border-color: rgba(245, 158, 11, 0.2);
    }

    .link-arrow {
      color: var(--primary-end);
      font-weight: 600;
      font-size: 0.88rem;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: gap 0.25s ease, color 0.2s;
      white-space: nowrap;
    }

    .link-arrow:hover {
      gap: 10px;
      color: var(--accent-2);
    }

    .featured-small {
      min-height: 200px;
      flex-direction: row;
      align-items: stretch;
    }

    .featured-small .featured-cover {
      width: 40%;
      flex-shrink: 0;
      min-height: 100%;
    }

    .featured-small .featured-body {
      padding: 18px 20px;
    }

    .featured-small .featured-body h3 {
      font-size: 1.05rem;
    }

    .featured-small .featured-body p {
      font-size: 0.82rem;
      -webkit-line-clamp: 3;
      display: -webkit-box;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    @media (max-width: 991.98px) {
      .featured-card-main {
        min-height: auto;
      }
      .featured-small {
        flex-direction: column;
      }
      .featured-small .featured-cover {
        width: 100%;
        height: 180px;
      }
    }

    /* 直播指南 */
    .guide-section {
      background: rgba(24, 27, 41, 0.45);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .guide-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem 1.5rem;
      text-align: center;
      height: 100%;
      position: relative;
      transition: all 0.3s ease;
      box-shadow: var(--shadow-card);
    }

    .guide-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(99, 102, 241, 0.35);
    }

    .guide-icon {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--grad-brand);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: #fff;
      box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
      margin-bottom: 1rem;
    }

    .guide-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-primary);
    }

    .guide-card p {
      font-size: 0.85rem;
      color: var(--text-secondary);
      margin-bottom: 0;
      line-height: 1.7;
    }

    .guide-num {
      position: absolute;
      top: 12px;
      right: 18px;
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1;
      background: linear-gradient(135deg, rgba(99,102,241,0.3), rgba(168,85,247,0.15));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      font-variant-numeric: tabular-nums;
    }

    /* 内容列表 */
    .content-list-card {
      display: flex;
      flex-direction: row;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 20px;
      overflow: hidden;
      transition: all 0.3s ease;
      height: 100%;
      box-shadow: var(--shadow-card);
    }

    .content-list-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(99, 102, 241, 0.35);
    }

    .content-list-cover {
      width: 180px;
      flex-shrink: 0;
      position: relative;
      overflow: hidden;
    }

    .content-list-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .content-list-body {
      padding: 16px 20px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .content-list-body h3 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 6px;
      line-height: 1.45;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .content-list-body p {
      font-size: 0.83rem;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 10px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      flex: 1;
    }

    .content-list-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    .content-list-meta .label {
      color: var(--accent-2);
      font-weight: 500;
    }

    .content-list-meta .date {
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    @media (max-width: 767.98px) {
      .content-list-cover {
        width: 120px;
      }
      .content-list-body {
        padding: 12px 14px;
      }
      .content-list-body h3 {
        font-size: 0.92rem;
        white-space: normal;
      }
      .content-list-body p {
        font-size: 0.78rem;
      }
    }

    /* 数据统计 */
    .stats-section {
      background: linear-gradient(180deg, rgba(20, 22, 31, 0.6), rgba(10, 12, 18, 0.8));
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .stats-card {
      text-align: center;
      padding: 1.5rem 0.75rem;
      position: relative;
    }

    .stats-card::after {
      content: "";
      position: absolute;
      right: 0;
      top: 20%;
      bottom: 20%;
      width: 1px;
      background: var(--border-color);
    }

    .stats-card:last-child::after {
      display: none;
    }

    .stats-number {
      font-size: clamp(2rem, 3.5vw, 2.8rem);
      font-weight: 800;
      line-height: 1.2;
      background: linear-gradient(135deg, var(--primary-start), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      font-variant-numeric: tabular-nums;
      letter-spacing: 0.02em;
    }

    .stats-label {
      color: var(--text-secondary);
      font-size: 0.85rem;
      margin-top: 4px;
      display: block;
    }

    @media (max-width: 767.98px) {
      .stats-card::after {
        display: none;
      }
      .stats-card {
        padding: 1rem 0.5rem;
      }
    }

    /* FAQ */
    .faq-wrap .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md) !important;
      overflow: hidden;
      margin-bottom: 14px;
      box-shadow: var(--shadow-card);
    }

    .faq-wrap .accordion-button {
      background: var(--bg-card);
      color: var(--text-primary);
      font-weight: 600;
      font-size: 0.95rem;
      padding: 20px 24px;
      line-height: 1.5;
      box-shadow: none;
      transition: background 0.2s;
    }

    .faq-wrap .accordion-button:hover {
      background: var(--bg-elevated);
    }

    .faq-wrap .accordion-button:focus {
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.35);
      border-radius: var(--radius-md);
    }

    .faq-wrap .accordion-button:not(.collapsed) {
      background: var(--bg-elevated);
      color: var(--text-primary);
    }

    .faq-wrap .accordion-button::after {
      background-image: none;
      content: "+";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--accent);
      width: 28px;
      height: 28px;
      margin-left: auto;
      border-radius: 50%;
      background-color: rgba(99, 102, 241, 0.15);
      transition: transform 0.3s ease, background-color 0.2s;
    }

    .faq-wrap .accordion-button:not(.collapsed)::after {
      transform: rotate(45deg);
      color: #fff;
      background-color: var(--primary-end);
    }

    .faq-wrap .accordion-body {
      background: #1b1d2b;
      color: var(--text-secondary);
      padding: 0 24px 22px;
      font-size: 0.88rem;
      line-height: 1.8;
      border-top: 1px solid var(--border-color);
    }

    /* CTA */
    .cta-banner {
      position: relative;
      border-radius: var(--radius-lg);
      background: var(--grad-cta);
      border: 1px solid var(--border-color);
      padding: 3.5rem 2.5rem;
      text-align: center;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .cta-banner::before {
      content: "";
      position: absolute;
      top: -50%;
      right: -20%;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(99, 102, 241, 0.28), transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .cta-banner h2 {
      font-size: clamp(1.5rem, 2.8vw, 2.2rem);
      font-weight: 700;
      color: #fff;
      margin-bottom: 0.75rem;
      position: relative;
    }

    .cta-banner p {
      color: rgba(255, 255, 255, 0.7);
      font-size: 0.95rem;
      max-width: 480px;
      margin: 0 auto 1.75rem;
      position: relative;
    }

    .cta-banner .btn-back-home {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      color: var(--primary-start);
      border-radius: 999px;
      padding: 10px 32px;
      font-weight: 600;
      font-size: 0.95rem;
      border: none;
      transition: all 0.25s ease;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
      position: relative;
      z-index: 2;
      text-decoration: none;
    }

    .cta-banner .btn-back-home:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 28px rgba(99, 102, 241, 0.4);
      color: var(--primary-start);
    }

    .cta-banner .btn-back-home:focus {
      outline: none;
      box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3);
    }

    @media (max-width: 767.98px) {
      .cta-banner {
        padding: 2.5rem 1.5rem;
      }
    }

    /* 页脚 */
    .site-footer {
      background: var(--bg-deep);
      border-top: 1px solid var(--border-color);
      padding: 4rem 0 1.5rem;
      margin-top: 2rem;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 12px;
      text-decoration: none;
    }

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

    .footer-desc {
      color: var(--text-muted);
      font-size: 0.85rem;
      line-height: 1.7;
      max-width: 300px;
      margin-bottom: 1rem;
    }

    .footer-social {
      display: flex;
      gap: 8px;
    }

    .footer-social a {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border-color);
      color: var(--text-secondary);
      font-size: 0.95rem;
      transition: all 0.25s;
    }

    .footer-social a:hover {
      background: var(--grad-brand);
      color: #fff;
      border-color: transparent;
      transform: translateY(-2px);
    }

    .footer-title {
      color: var(--text-primary);
      font-size: 0.95rem;
      font-weight: 600;
      margin-bottom: 1rem;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .footer-links a {
      color: var(--text-muted);
      font-size: 0.85rem;
      text-decoration: none;
      transition: color 0.25s;
    }

    .footer-links a:hover {
      color: var(--primary-end);
      padding-left: 4px;
    }

    .footer-contact {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
      color: var(--text-muted);
      font-size: 0.85rem;
    }

    .footer-contact li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      line-height: 1.5;
    }

    .footer-contact i {
      color: var(--accent-2);
      font-size: 1rem;
      margin-top: 3px;
    }

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      margin-top: 2.5rem;
      padding-top: 1.5rem;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      color: var(--text-muted);
      font-size: 0.82rem;
      gap: 6px;
    }

    .footer-bottom a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s;
    }

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

    @media (max-width: 767.98px) {
      .footer-bottom {
        flex-direction: column;
        gap: 4px;
        text-align: center;
      }
    }

    /* 通用按钮 */
    .btn-primary-custom {
      background: var(--grad-brand);
      border: none;
      color: #fff;
      border-radius: 999px;
      padding: 10px 28px;
      font-weight: 600;
      font-size: 0.95rem;
      box-shadow: var(--shadow-btn);
      transition: filter 0.2s, transform 0.15s, box-shadow 0.2s;
    }

    .btn-primary-custom:hover {
      filter: brightness(1.1);
      color: #fff;
      transform: translateY(-1px);
      box-shadow: 0 6px 22px rgba(99, 102, 241, 0.45);
    }

    .btn-primary-custom:focus {
      outline: none;
      box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.4);
    }

    .btn-primary-custom:active {
      transform: translateY(1px);
    }

    /* 面包屑 */
    .breadcrumb-line {
      position: relative;
      z-index: 1;
      padding: 0;
      margin-bottom: 1.5rem;
      font-size: 0.85rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .breadcrumb-line a {
      color: var(--text-secondary);
      text-decoration: none;
      transition: color 0.2s;
    }

    .breadcrumb-line a:hover {
      color: var(--accent-2);
    }

    .breadcrumb-line i {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

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

/* roulang page: article */
:root {
            --bg-body: #0f111a;
            --bg-card: #181b29;
            --bg-elevated: #202438;
            --bg-footer: #0a0c12;
            --primary-start: #6366f1;
            --primary-end: #a855f7;
            --accent: #f59e0b;
            --accent-2: #22d3ee;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-color: rgba(148, 163, 184, 0.15);
            --success: #10b981;
            --warning: #f59e0b;
            --error: #ef4444;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 40px rgba(99, 102, 241, 0.18);
            --shadow-btn: 0 4px 16px rgba(99, 102, 241, 0.35);
            --gradient-brand: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
            --font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

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

        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 0.95rem;
            font-variant-numeric: tabular-nums;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--accent-2);
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航胶囊 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1050;
            pointer-events: none;
        }

        .site-header .nav-capsule {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(15, 17, 26, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-pill);
            padding: 0.55rem 1rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
            pointer-events: auto;
            transition: background 0.3s ease;
        }

        .nav-inner {
            flex-wrap: nowrap;
            align-items: center;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            padding: 0;
        }

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

        .brand-star {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
        }

        .brand-text {
            background: linear-gradient(120deg, #e0e7ff, #c4b5fd);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .navbar-nav {
            gap: 2px;
        }

        .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 0.45rem 1.1rem;
            border-radius: var(--radius-pill);
            transition: background 0.2s ease, color 0.2s ease;
        }

        .nav-link:hover,
        .nav-link:focus {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
        }

        .nav-link.active {
            background: rgba(99, 102, 241, 0.15);
            color: #c7d2fe;
            font-weight: 600;
        }

        .nav-login-btn {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
            border-radius: var(--radius-pill);
            padding: 0.45rem 1.5rem;
            font-weight: 500;
            font-size: 0.88rem;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-login-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
        }

        .navbar-toggler {
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 0.25rem 0.5rem;
            box-shadow: none !important;
        }

        .navbar-toggler:focus {
            outline: none;
        }

        /* ===== 文章页 Hero ===== */
        .page-hero {
            position: relative;
            padding: 10rem 0 4.5rem;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 17, 26, 0.86) 0%, rgba(15, 17, 26, 0.72) 50%, var(--bg-body) 100%);
            z-index: 1;
        }

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

        .breadcrumb-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 1.75rem;
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .breadcrumb-wrap a {
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }

        .breadcrumb-wrap a:hover {
            color: var(--accent-2);
        }

        .breadcrumb-wrap .sep {
            color: var(--text-muted);
            margin: 0 0.2rem;
        }

        .breadcrumb-wrap .current {
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 320px;
        }

        .page-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.6rem;
            align-items: center;
            color: var(--text-secondary);
            font-size: 0.88rem;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-meta i {
            color: var(--text-muted);
        }

        .badge-cat {
            display: inline-block;
            background: rgba(99, 102, 241, 0.15);
            color: #c7d2fe;
            padding: 0.25rem 1rem;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.82rem;
            border: 1px solid rgba(99, 102, 241, 0.25);
        }

        /* ===== 正文 ===== */
        .article-section {
            padding: 1rem 0 3rem;
        }

        .article-body {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.75rem 3rem;
            box-shadow: var(--shadow-card);
        }

        .article-body h2 {
            font-size: clamp(1.3rem, 2vw, 1.6rem);
            font-weight: 700;
            margin: 2.5rem 0 1.25rem;
            padding-left: 0.8rem;
            border-left: 4px solid var(--primary-start);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 2rem 0 0.8rem;
            color: var(--text-primary);
        }

        .article-body p {
            margin-bottom: 1.25rem;
            line-height: 1.9;
            color: rgba(241, 245, 249, 0.88);
        }

        .article-body img {
            display: block;
            width: auto;
            max-width: 100%;
            margin: 1.5rem auto;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary-start);
            background: rgba(99, 102, 241, 0.08);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .article-body a {
            color: #a5b4fc;
            text-decoration: underline;
            text-underline-offset: 4px;
            transition: color 0.2s ease;
        }

        .article-body a:hover {
            color: var(--accent-2);
        }

        .article-body ul,
        .article-body ol {
            margin: 1rem 0 1.5rem;
            padding-left: 1.5rem;
            color: rgba(241, 245, 249, 0.86);
        }

        .article-body li {
            margin-bottom: 0.5rem;
        }

        .not-found {
            text-align: center;
            padding: 3.5rem 1rem;
            color: var(--text-secondary);
        }

        .not-found .not-found-icon {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

        .not-found a {
            display: inline-block;
            margin-top: 1rem;
            color: #a5b4fc;
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        /* ===== 标签 ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 1.5rem;
        }

        .tag-pill {
            background: rgba(148, 163, 184, 0.1);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            padding: 0.35rem 1.1rem;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            transition: border-color 0.2s ease, color 0.2s ease;
        }

        .tag-pill:hover {
            border-color: rgba(99, 102, 241, 0.4);
            color: var(--text-primary);
        }

        /* ===== 上下篇 ===== */
        .prev-next-section {
            padding: 1.5rem 0 2.5rem;
        }

        .prev-next-card {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.15rem 1.4rem;
            height: 100%;
            transition: all 0.25s ease;
        }

        .prev-next-card:hover {
            border-color: rgba(99, 102, 241, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .prev-next-card .arrow {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(99, 102, 241, 0.12);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #a5b4fc;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .prev-next-card .label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .prev-next-card .title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin-top: 0.15rem;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 3rem 0 1rem;
        }

        .related-section .section-title-wrap {
            margin-bottom: 2rem;
        }

        .section-title-wrap {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .section-title-wrap::before {
            content: "";
            display: block;
            width: 5px;
            height: 28px;
            border-radius: var(--radius-pill);
            background: var(--gradient-brand);
        }

        .section-title-wrap h2 {
            font-size: clamp(1.3rem, 2vw, 1.7rem);
            font-weight: 700;
            margin: 0;
            line-height: 1.4;
        }

        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(99, 102, 241, 0.4);
        }

        .related-card .cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .related-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .related-card:hover .cover img {
            transform: scale(1.04);
        }

        .related-card .related-body {
            padding: 1.15rem 1.25rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .related-card .related-date {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .related-card h3 {
            font-size: 0.98rem;
            font-weight: 600;
            line-height: 1.5;
            margin: 0;
            color: var(--text-primary);
            transition: color 0.2s ease;
        }

        .related-card:hover h3 {
            color: #c7d2fe;
        }

        .related-card .related-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: auto;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .related-link {
            color: #a5b4fc;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .related-link i {
            transition: transform 0.2s ease;
        }

        .related-link:hover i {
            transform: translateX(3px);
        }

        /* ===== CTA 横幅 ===== */
        .cta-band {
            padding: 4rem 0;
        }

        .cta-inner {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.95), rgba(15, 17, 26, 0.96));
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(99, 102, 241, 0.25);
        }

        .cta-inner h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .cta-inner p {
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 1.75rem;
            line-height: 1.7;
        }

        .btn-gradient {
            display: inline-block;
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 0.75rem 2.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: var(--shadow-btn);
            transition: filter 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
        }

        .btn-gradient:hover {
            filter: brightness(1.1);
            color: #fff;
            box-shadow: 0 8px 28px rgba(99, 102, 241, 0.45);
        }

        .btn-gradient:focus-visible {
            outline: 3px solid rgba(99, 102, 241, 0.4);
            outline-offset: 2px;
        }

        .btn-gradient:active {
            transform: translateY(1px);
        }

        .btn-outline-light {
            display: inline-block;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: var(--text-primary);
            border-radius: var(--radius-pill);
            padding: 0.75rem 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid var(--border-color);
            padding-top: 3.5rem;
            padding-bottom: 1.8rem;
            margin-top: 2rem;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

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

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.8;
            margin-bottom: 1.25rem;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 0.6rem;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 1rem;
            transition: all 0.2s ease;
        }

        .footer-social a:hover {
            background: rgba(99, 102, 241, 0.2);
            border-color: rgba(99, 102, 241, 0.4);
            color: #c7d2fe;
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .footer-links,
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 0.55rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: #c7d2fe;
        }

        .footer-contact li {
            color: var(--text-secondary);
            font-size: 0.88rem;
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-contact i {
            color: var(--text-muted);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .footer-bottom a:hover {
            color: #94a3b8;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .site-header {
                top: 8px;
                padding: 0 12px;
            }

            .site-header .nav-capsule {
                margin: 0;
                border-radius: var(--radius-md);
                padding: 0.5rem 0.9rem;
            }

            .navbar-collapse {
                background: rgba(15, 17, 26, 0.96);
                border: 1px solid var(--border-color);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.75rem;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
            }

            .nav-link {
                padding: 0.75rem 1.25rem;
                font-size: 1rem;
            }

            .nav-login-btn {
                margin-top: 0.5rem;
                text-align: center;
                display: block;
            }

            .page-hero {
                padding: 8.5rem 0 3.5rem;
            }

            .article-body {
                padding: 1.75rem 1.5rem;
            }

            .breadcrumb-wrap .current {
                max-width: 180px;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero {
                padding: 7.5rem 0 2.5rem;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .article-meta {
                gap: 0.5rem 1rem;
                font-size: 0.82rem;
            }

            .article-section {
                padding: 0.5rem 0 2rem;
            }

            .article-body {
                padding: 1.25rem 1rem;
            }

            .article-body p {
                line-height: 1.85;
            }

            .prev-next-section {
                padding: 1rem 0 1.5rem;
            }

            .prev-next-card {
                padding: 1rem;
            }

            .cta-band {
                padding: 2.5rem 0;
            }

            .cta-inner {
                padding: 2rem 1.25rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 0.4rem;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-header .nav-capsule {
                border-radius: 999px;
            }

            .related-card .related-body {
                padding: 1rem;
            }
        }

/* roulang page: category2 */
:root {
  --bg-body: #0d1017;
  --bg-card: #181b29;
  --bg-elevated: #202438;
  --primary-start: #6366f1;
  --primary-end: #a855f7;
  --accent: #f59e0b;
  --accent-2: #22d3ee;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(148, 163, 184, 0.15);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.025;
  pointer-events: none;
  z-index: 0;
}

.container { max-width: 1200px; position: relative; z-index: 1; }

h1, h2, h3, h4, h5, h6 { color: var(--text-primary); }

a { color: inherit; text-decoration: none; transition: color .25s ease; }

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

button { font-family: inherit; }

/* 悬浮胶囊导航 */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1030;
  padding: 0 16px;
}

.nav-capsule {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(15, 17, 26, 0.78);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 999px;
  padding: 10px 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.nav-inner { flex-wrap: wrap; }

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: #f1f5f9;
  letter-spacing: 0.02em;
}

.brand-star {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.navbar-nav { gap: 6px; }

.nav-capsule .navbar-nav .nav-link {
  padding: 8px 18px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: background .25s, color .25s;
}

.nav-capsule .navbar-nav .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-capsule .navbar-nav .nav-link.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.24), rgba(168, 85, 247, 0.24));
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.4);
}

.nav-login-btn {
  border-radius: 999px;
  padding: 8px 22px;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: #fff;
  border: none;
  font-weight: 600;
  transition: filter .25s, transform .15s;
}

.nav-login-btn:hover { filter: brightness(1.1); color: #fff; transform: translateY(-1px); }

.navbar-toggler { border: none; color: #fff; font-size: 1.3rem; }

.navbar-toggler:focus { outline: none; box-shadow: none; }

/* 分类 Hero */
.category-hero {
  position: relative;
  min-height: 78vh;
  padding: 10rem 0 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 17, 26, 0.94) 0%, rgba(15, 17, 26, 0.76) 50%, rgba(15, 17, 26, 0.45) 100%),
              linear-gradient(to top, #0d1017 0%, transparent 40%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.18);
  border: 1px dashed rgba(245, 158, 11, 0.5);
  border-radius: 999px;
  padding: 8px 18px;
  color: #fbbf24;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
  transform: rotate(-1deg);
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: 0.01em;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.8;
  margin-bottom: 1.6rem;
}

.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }

.tag-chip {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  transition: border-color .25s, color .25s;
}

.tag-chip:hover { border-color: var(--accent); color: var(--accent); }

.hero-score-card {
  background: rgba(24, 27, 41, 0.85);
  border: 1px solid rgba(245, 158, 11, 0.28);
  border-radius: 24px;
  padding: 1.8rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  transform: rotate(1.2deg);
}

.score-card-head {
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.score-card-head::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.2);
}

.score-card-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 1rem;
}

.team-name { font-weight: 700; font-size: 1.1rem; }

.score-number {
  font-size: 2.8rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  letter-spacing: 0.02em;
  text-shadow: 0 0 30px rgba(245, 158, 11, 0.3);
}

.score-card-meta {
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-align: center;
  margin-bottom: 1rem;
}

.score-card-events {
  display: flex;
  justify-content: center;
  gap: 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 通用区块 */
section { padding: 4.5rem 0; }

.section-head { margin-bottom: 2.5rem; }

.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  padding: 6px 16px;
  border: 1px dashed rgba(245, 158, 11, 0.5);
  border-radius: 999px;
  transform: rotate(-1deg);
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.7rem;
}

.section-head p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 640px;
}

/* 数据徽章条 */
.stats-bar {
  padding: 2.5rem 0;
  background: #14161f;
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border-radius: 18px;
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(148, 163, 184, 0.1);
  transition: transform .25s, box-shadow .25s;
  height: 100%;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.16);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #a5b4fc;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.stat-num {
  font-size: 1.7rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.stat-label { color: var(--text-secondary); font-size: 0.9rem; }

/* 适用场景 */
.scenario-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 2rem 1.6rem;
  border: 1px solid rgba(148, 163, 184, 0.1);
  text-align: center;
  height: 100%;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}

.scenario-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: 0 12px 40px rgba(34, 211, 238, 0.12);
}

.scenario-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(99, 102, 241, 0.18));
  border: 1px solid rgba(34, 211, 238, 0.35);
  color: var(--accent-2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.scenario-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.6rem; color: #f1f5f9; }
.scenario-card p { color: var(--text-secondary); font-size: 0.93rem; line-height: 1.75; }

/* 精选内容卡片 */
.featured-card {
  background: var(--bg-card);
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.1);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  height: 100%;
  transition: box-shadow .3s, border-color .3s, transform .3s;
}

.featured-card:hover {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 8px 40px rgba(99, 102, 241, 0.18);
  transform: translateY(-4px);
}

.featured-cover { position: relative; overflow: hidden; aspect-ratio: 16 / 9; }

.featured-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }

.featured-card:hover .featured-cover img { transform: scale(1.04); }

.featured-card.small .featured-cover { aspect-ratio: 16 / 9; }

.corner-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.featured-body { padding: 1.5rem; }

.featured-meta {
  display: flex;
  gap: 16px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
}

.featured-body h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.6rem; color: #f8fafc; }

.featured-body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.btn-link-arrow {
  color: var(--primary-start);
  font-weight: 600;
  text-decoration: none;
  padding-left: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-link-arrow:hover { color: var(--accent); }
.btn-link-arrow i { transition: transform .3s; }
.btn-link-arrow:hover i { transform: translateX(4px); }

/* 内容横向列表 */
.list-wrap { display: flex; flex-direction: column; gap: 1.5rem; }

.list-card {
  display: flex;
  background: var(--bg-card);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: box-shadow .3s, border-color .3s, transform .3s;
}

.list-card:hover {
  border-color: rgba(99, 102, 241, 0.45);
  box-shadow: 0 10px 40px rgba(99, 102, 241, 0.16);
  transform: translateY(-3px);
}

.list-thumb {
  position: relative;
  flex: 0 0 260px;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.list-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }

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

.thumb-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
}

.list-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.list-meta {
  display: flex;
  gap: 14px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.list-info h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5rem; color: #f8fafc; }

.list-info p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 0.75rem;
}

.list-link {
  color: var(--primary-start);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.list-link:hover { color: var(--accent-2); }

/* 流程步骤 */
.steps-section {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px dashed rgba(148, 163, 184, 0.2);
  border-bottom: 1px dashed rgba(148, 163, 184, 0.2);
}

.step-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 1.8rem;
  border: 1px solid rgba(148, 163, 184, 0.1);
  height: 100%;
  position: relative;
  transition: transform .3s, box-shadow .3s;
  overflow: hidden;
}

.step-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18), transparent 70%);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.18);
}

.step-num {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  margin-bottom: 1rem;
}

.step-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.6rem; color: #f1f5f9; }

.step-card p { color: var(--text-secondary); font-size: 0.93rem; line-height: 1.75; }

/* FAQ 手风琴 */
.custom-accordion .accordion-item {
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.custom-accordion .accordion-button {
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 600;
  padding: 20px 24px;
  border-radius: 16px;
  box-shadow: none;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color .25s;
}

.custom-accordion .accordion-button::after { display: none; }

.custom-accordion .accordion-button:focus { box-shadow: none; }

.acc-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: transform .35s;
  flex-shrink: 0;
}

.custom-accordion .accordion-button:not(.collapsed) {
  background: var(--bg-elevated);
  color: #fff;
}

.custom-accordion .accordion-button:not(.collapsed) .acc-icon {
  transform: rotate(135deg);
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #fff;
}

.custom-accordion .accordion-body {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* CTA 区 */
.cta-section { padding: 4.5rem 0 5rem; }

.cta-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.35), rgba(15, 17, 26, 0.6)),
              radial-gradient(circle at 80% -20%, rgba(168, 85, 247, 0.3), transparent 50%),
              var(--bg-card);
  border: 1px dashed rgba(245, 158, 11, 0.3);
  border-radius: 28px;
  padding: 3.5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-emoji {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.2rem;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.6rem;
  transform: rotate(-6deg);
}

.cta-box h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; margin-bottom: 0.75rem; }

.cta-box p { color: var(--text-secondary); margin-bottom: 1.5rem; }

.btn-cta {
  background: #fff;
  color: #0f111a;
  border-radius: 999px;
  padding: 12px 34px;
  font-weight: 700;
  border: none;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
  transition: transform .25s, box-shadow .25s, filter .25s;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255, 255, 255, 0.25);
  color: #0f111a;
  filter: brightness(0.95);
}

/* 页脚 */
.site-footer {
  background: #0a0c12;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  padding: 3.5rem 0 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 320px;
}

.footer-social { display: flex; gap: 10px; margin-top: 1.2rem; }

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background .25s, color .25s;
}

.footer-social a:hover {
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #fff;
}

.footer-title {
  color: #f1f5f9;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.footer-links { list-style: none; padding: 0; margin: 0; }

.footer-links li, .footer-contact li { margin-bottom: 0.6rem; }

.footer-links a, .footer-contact { color: var(--text-secondary); font-size: 0.9rem; transition: color .25s; }

.footer-links a:hover { color: #fff; }

.footer-contact { list-style: none; padding: 0; margin: 0; }

.footer-contact i { margin-right: 8px; color: #6366f1; }

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  margin-top: 2rem;
  padding-top: 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}

.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: #fff; }

/* 响应式 */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(15, 17, 26, 0.96);
    border: 1px solid rgba(148, 163, 184, 0.15);
    border-radius: 20px;
    padding: 16px;
    margin-top: 12px;
  }

  .nav-login-btn { margin-top: 10px; }

  .category-hero { padding: 8rem 0 4rem; min-height: auto; }
  .hero-score-card { transform: none; max-width: 440px; }
  .list-card { flex-wrap: wrap; }
  .list-thumb { flex: 0 0 100%; aspect-ratio: 16 / 8; }
}

@media (max-width: 767.98px) {
  section { padding: 3rem 0; }

  .nav-login-btn { width: 100%; text-align: center; }

  .stat-item { padding: 1rem; }
  .stat-num { font-size: 1.4rem; }
  .stat-icon { width: 42px; height: 42px; font-size: 1.2rem; }

  .list-info { padding: 1.2rem; }

  .cta-box { padding: 2.5rem 1.5rem; }

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

@media (max-width: 575.98px) {
  .site-header { top: 8px; padding: 0 10px; }
  .nav-capsule { padding: 8px 16px; }
  .hero-title { font-size: 2rem; }
  .hero-sub { font-size: 0.95rem; }
  .score-card-body { flex-wrap: wrap; justify-content: center; }
  .score-number { flex-basis: 100%; text-align: center; }
}