/* roulang page: index */
:root {
  --bg-0: #0E1013;
  --bg-1: #171A1F;
  --bg-2: #1E232A;
  --line: #2A3038;
  --accent: #FF5A1F;
  --accent-hover: #FF7A45;
  --accent-soft: rgba(255, 90, 31, 0.12);
  --info: #00E0C6;
  --text-1: #F5F7FA;
  --text-2: #C6CDD4;
  --text-3: #8A949E;
  --mask: linear-gradient(180deg, rgba(14, 16, 19, 0.55) 0%, rgba(14, 16, 19, 0.88) 100%);
  --nav-bg: rgba(20, 24, 28, 0.78);
  --nav-line: rgba(255, 255, 255, 0.08);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.4);
  --radius-card: 16px;
  --radius-btn: 8px;
  --radius-badge: 999px;
  --radius-count: 12px;
  --font: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", tabular-nums;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .25s ease; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.row { max-width: 1200px; margin: 0 auto; }
.section { padding: 80px 0; }
.section-head { margin-bottom: 40px; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.section-title { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 800; color: var(--text-1); letter-spacing: -0.02em; line-height: 1.25; }
.section-subtitle { color: var(--text-3); font-size: .9375rem; margin-top: 8px; line-height: 1.6; }
.section-more { color: var(--accent); font-size: .875rem; font-weight: 600; padding: 8px 18px; border: 1px solid var(--accent); border-radius: var(--radius-badge); transition: all .25s ease; display: inline-flex; align-items: center; gap: 8px; }
.section-more:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-hover); transform: translateY(-1px); }

/* ===== Header / Nav ===== */
.site-header { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); width: min(1200px, calc(100% - 32px)); z-index: 1000; }
.nav-container { display: flex; align-items: center; justify-content: space-between; background: var(--nav-bg); border: 1px solid var(--nav-line); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-radius: 999px; padding: 8px 16px; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35); }
.nav-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 800; color: var(--text-1); letter-spacing: -0.01em; }
.nav-logo span.logo-sub { color: var(--text-3); font-weight: 400; font-size: .8125rem; }
.nav-logo .logo-mark { width: 32px; height: 32px; border-radius: 10px; background: var(--accent); display: inline-flex; align-items: center; justify-content: center; color: var(--bg-0); font-size: .875rem; box-shadow: 0 2px 8px rgba(255, 90, 31, 0.35); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 8px 18px; border-radius: 999px; font-size: .875rem; color: var(--text-2); font-weight: 500; transition: all .25s ease; }
.nav-link:hover { color: var(--text-1); background: rgba(255, 255, 255, 0.06); }
.nav-link.active { background: var(--accent); color: var(--bg-0); font-weight: 600; }
.nav-cta { padding: 8px 20px; border-radius: 999px; background: var(--accent); color: var(--bg-0); font-weight: 700; font-size: .875rem; margin-left: 8px; transition: all .25s ease; box-shadow: 0 2px 8px rgba(255, 90, 31, 0.3); }
.nav-cta:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(255, 90, 31, 0.35); }
.nav-burger { display: none; width: 40px; height: 40px; border: 1px solid var(--nav-line); background: var(--bg-2); color: var(--text-1); border-radius: 50%; font-size: 1rem; cursor: pointer; align-items: center; justify-content: center; transition: all .25s ease; }
.nav-burger:hover { border-color: var(--accent); color: var(--accent); }

/* ===== Hero ===== */
.hero { position: relative; min-height: 720px; display: flex; align-items: center; padding: 140px 0 100px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-mask { position: absolute; inset: 0; background: var(--mask); }
.hero-content { position: relative; z-index: 2; max-width: 760px; padding: 0 24px; }
.hero-badge { display: inline-flex; align-items: center; gap: 10px; background: rgba(0, 224, 198, 0.1); border: 1px solid rgba(0, 224, 198, 0.2); color: var(--info); font-size: .875rem; font-weight: 600; padding: 8px 18px; border-radius: 999px; margin-bottom: 28px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--info); position: relative; display: inline-block; animation: pulse-dot 1.6s infinite; }
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(0, 224, 198, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(0, 224, 198, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 224, 198, 0); }
}
.hero h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 900; color: var(--text-1); line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 20px; }
.hero-subtitle { font-size: clamp(1rem, 1.6vw, 1.1875rem); color: var(--text-2); line-height: 1.8; margin-bottom: 36px; font-weight: 400; }
.countdown { display: flex; gap: 14px; margin-bottom: 36px; flex-wrap: wrap; }
.countdown-box { min-width: 78px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-count); padding: 14px 16px; text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.countdown-num { font-family: var(--font-num); font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; font-size: 2.5rem; font-weight: 700; color: var(--info); line-height: 1; }
.countdown-label { font-size: .8125rem; color: var(--text-3); margin-top: 6px; text-transform: uppercase; letter-spacing: .08em; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 28px; background: var(--accent); color: #141618; font-weight: 700; font-size: .9375rem; border-radius: var(--radius-btn); border: none; cursor: pointer; transition: all .25s ease; box-shadow: 0 4px 12px rgba(255, 90, 31, 0.3); }
.btn-primary:hover { background: var(--accent-hover); color: #141618; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(255, 90, 31, 0.4); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 28px; background: transparent; color: var(--accent); font-weight: 600; font-size: .9375rem; border: 1px solid var(--accent); border-radius: var(--radius-btn); cursor: pointer; transition: all .25s ease; }
.btn-outline:hover { background: var(--accent-soft); color: var(--accent-hover); transform: translateY(-2px); }

/* ===== Points ===== */
.points-section .section-head { margin-bottom: 44px; }
.point-card { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 28px; display: flex; gap: 20px; align-items: flex-start; margin-bottom: 20px; transition: all .25s ease; min-height: 120px; }
.point-card:hover { border-color: var(--accent); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.point-num { font-family: var(--font-num); font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; font-size: 2.5rem; font-weight: 800; color: var(--accent); line-height: 1; flex: 0 0 40px; }
.point-content { flex: 1; }
.point-title { font-size: 1.125rem; font-weight: 700; color: var(--text-1); margin-bottom: 8px; }
.point-desc { font-size: .875rem; color: var(--text-2); line-height: 1.6; }

/* ===== Subscribe ===== */
.subscribe-section { padding: 20px 0 80px; }
.subscribe-card { background: var(--bg-1); border: 1px solid var(--line); border-bottom-width: 8px; border-bottom-color: var(--accent); border-radius: var(--radius-card); padding: 40px; display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.subscribe-title { font-size: 1.5rem; font-weight: 700; color: var(--text-1); line-height: 1.4; margin-bottom: 8px; }
.subscribe-desc { color: var(--text-2); font-size: .9375rem; }
.subscribe-form { display: flex; gap: 12px; flex-wrap: wrap; }
.subscribe-input { height: 44px; min-width: 240px; padding: 0 16px; background: var(--bg-0); border: 1px solid var(--line); border-radius: var(--radius-btn); color: var(--text-1); font-size: .9375rem; outline: none; transition: all .25s ease; }
.subscribe-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.15); }
.subscribe-input.input-error { border-color: #FF4D4F; }
.subscribe-btn { height: 44px; padding: 0 24px; background: var(--accent); color: #141618; font-weight: 700; font-size: .9375rem; border: none; border-radius: var(--radius-btn); cursor: pointer; transition: all .25s ease; box-shadow: 0 4px 12px rgba(255, 90, 31, 0.3); }
.subscribe-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
.form-message { color: var(--info); font-size: .875rem; margin-top: 10px; display: none; }
.form-error { color: #FF4D4F; font-size: .875rem; margin-top: 10px; display: none; }

/* ===== Replay ===== */
.replay-section { background: var(--bg-0); padding: 80px 0 100px; }
.replay-scroll { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 16px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.replay-scroll::-webkit-scrollbar { height: 6px; }
.replay-scroll::-webkit-scrollbar-track { background: transparent; }
.replay-scroll::-webkit-scrollbar-thumb { background: var(--line); border-radius: 999px; }
.replay-card { flex: 0 0 280px; background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius-card); overflow: hidden; scroll-snap-align: start; transition: all .25s ease; }
.replay-card:hover { border-color: var(--accent); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.replay-cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.replay-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.replay-card:hover .replay-cover img { transform: scale(1.04); }
.replay-duration { position: absolute; right: 12px; bottom: 12px; background: rgba(0, 0, 0, 0.75); color: var(--text-1); font-size: .75rem; padding: 4px 10px; border-radius: var(--radius-badge); font-family: var(--font-num); font-variant-numeric: tabular-nums; }
.replay-info { padding: 16px; }
.replay-title { font-size: .9375rem; font-weight: 600; color: var(--text-1); line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.replay-meta { font-size: .8125rem; color: var(--text-3); display: flex; align-items: center; gap: 8px; }
.replay-meta i { font-size: .75rem; }
.replay-link { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-size: .8125rem; font-weight: 600; margin-top: 10px; transition: gap .25s ease; }
.replay-link:hover { gap: 10px; }

/* ===== News ===== */
.news-section { padding: 80px 0; background: var(--bg-1); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.news-main-card { display: block; background: var(--bg-0); border: 1px solid var(--line); border-radius: var(--radius-card); overflow: hidden; transition: all .25s ease; height: 100%; }
.news-main-card:hover { border-color: var(--accent); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.news-main-cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.news-main-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.news-main-card:hover .news-main-cover img { transform: scale(1.03); }
.news-main-body { padding: 24px; }
.news-category { display: inline-block; color: var(--accent); background: var(--accent-soft); font-size: .75rem; font-weight: 600; padding: 4px 12px; border-radius: var(--radius-badge); margin-bottom: 12px; }
.news-main-title { font-size: 1.25rem; font-weight: 700; color: var(--text-1); line-height: 1.45; margin-bottom: 12px; }
.news-main-summary { font-size: .9375rem; color: var(--text-2); line-height: 1.7; margin-bottom: 18px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-main-meta { display: flex; align-items: center; justify-content: space-between; font-size: .84375rem; color: var(--text-3); }
.news-read-more { color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.news-read-more:hover { gap: 10px; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item { display: block; background: var(--bg-0); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 20px; transition: all .25s ease; }
.news-item:hover { border-color: var(--accent); box-shadow: var(--shadow-card); transform: translateY(-2px); }
.news-item-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.news-item-title { font-size: .9375rem; font-weight: 600; color: var(--text-1); line-height: 1.5; }
.news-item-time { font-size: .75rem; color: var(--text-3); white-space: nowrap; }
.news-item-summary { font-size: .8125rem; color: var(--text-2); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.news-item-meta { display: flex; align-items: center; gap: 8px; }
.news-date { font-size: .75rem; color: var(--text-3); }

/* ===== Stats ===== */
.stats-section { padding: 60px 0; background: var(--bg-0); }
.stat-item { text-align: center; padding: 20px 16px; }
.stat-num { font-family: var(--font-num); font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 800; color: var(--accent); line-height: 1.2; }
.stat-num small { font-size: 1.25rem; font-weight: 600; margin-left: 2px; }
.stat-label { font-size: .875rem; color: var(--text-3); margin-top: 8px; }

/* ===== Empty State ===== */
.empty-state { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius-card); padding: 60px 24px; text-align: center; color: var(--text-3); font-size: .875rem; }
.empty-state i { font-size: 2.5rem; color: var(--text-3); margin-bottom: 16px; display: block; opacity: .5; }

/* ===== Footer ===== */
.footer { background: var(--bg-1); border-top: 1px solid var(--line); padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-desc { font-size: .875rem; color: var(--text-2); line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); display: inline-flex; align-items: center; justify-content: center; color: var(--text-3); font-size: .875rem; transition: all .25s ease; }
.footer-social a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.footer-title { font-size: .9375rem; font-weight: 600; color: var(--text-1); margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .875rem; color: var(--text-2); transition: color .25s ease, padding-left .25s ease; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact { font-size: .875rem; color: var(--text-2); line-height: 2; }
.footer-contact i { color: var(--accent); margin-right: 8px; width: 16px; }
.footer-subscribe-form { display: flex; gap: 8px; margin-top: 12px; }
.footer-subscribe-form .subscribe-input { min-width: 0; flex: 1; height: 40px; font-size: .84375rem; }
.footer-subscribe-form .subscribe-btn { height: 40px; padding: 0 18px; font-size: .84375rem; white-space: nowrap; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 20px; text-align: center; font-size: .8125rem; color: var(--text-3); }

/* ===== Mobile Nav Panel ===== */
.mobile-nav-panel { display: none; }
@media (max-width: 1023px) {
  .nav-links { display: none; position: fixed; top: 72px; left: 16px; right: 16px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 16px; padding: 16px; flex-direction: column; align-items: flex-start; gap: 4px; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5); z-index: 999; }
  .nav-links.open { display: flex; }
  .nav-link { width: 100%; padding: 14px 18px; border-radius: 12px; }
  .nav-link.active { background: var(--accent); color: var(--bg-0); }
  .nav-cta { width: 100%; margin: 8px 0 0; justify-content: center; border-radius: 12px; }
  .nav-burger { display: flex; }
  .section { padding: 56px 0; }
  .subscribe-card { padding: 28px; }
  .subscribe-form { width: 100%; }
  .subscribe-input { flex: 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .replay-scroll { gap: 14px; }
  .replay-card { flex: 0 0 260px; }
}
@media (max-width: 639px) {
  .section { padding: 48px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .hero { min-height: 600px; padding: 120px 0 80px; }
  .hero h1 { font-size: clamp(2rem, 8vw, 2.5rem); }
  .countdown { gap: 10px; }
  .countdown-box { min-width: 65px; padding: 12px; }
  .countdown-num { font-size: 2rem; }
  .point-card { flex-direction: row; padding: 22px; gap: 14px; }
  .point-num { font-size: 2rem; flex-basis: 32px; }
  .subscribe-card { padding: 24px; flex-direction: column; gap: 24px; }
  .subscribe-form { width: 100%; flex-direction: column; }
  .subscribe-input { width: 100%; min-width: 0; }
  .subscribe-btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .btn-primary, .btn-outline { width: 100%; }
  .replay-card { flex: 0 0 220px; }
  .footer-subscribe-form { flex-direction: column; }
}

/* roulang page: article */
:root {
  --bg-0: #0E1013;
  --bg-1: #171A1F;
  --bg-2: #1E232A;
  --line: #2A3038;
  --accent: #FF5A1F;
  --accent-hover: #FF7A45;
  --accent-soft: rgba(255, 90, 31, 0.12);
  --info: #00E0C6;
  --text-1: #F5F7FA;
  --text-2: #C6CDD4;
  --text-3: #8A949E;
  --mask: linear-gradient(180deg, rgba(14,16,19,0.55) 0%, rgba(14,16,19,0.88) 100%);
  --radius-lg: 16px;
  --radius-sm: 8px;
  --shadow-card: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.4);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-0);
  color: var(--text-2);
  font-family: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.8;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.25s ease;
}
a:hover {
  color: var(--accent);
}

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

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

.grid-x {
  margin-left: -12px;
  margin-right: -12px;
}

/* ====== 导航 ====== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
}

.nav-container {
  width: min(1200px, calc(100% - 32px));
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(20, 24, 28, 0.82);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0 24px 0 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.nav-logo:hover {
  color: var(--text-1);
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--accent);
  color: #141618;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
}

.logo-sub {
  font-weight: 600;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: all 0.25s ease;
  line-height: 1.4;
}
.nav-link:hover,
.nav-link.active {
  background: var(--accent);
  color: var(--bg-0);
  font-weight: 600;
}

.nav-cta {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #141618;
  font-size: 0.875rem;
  font-weight: 700;
  margin-left: 8px;
  transition: background 0.25s ease, transform 0.15s ease;
}
.nav-cta:hover {
  background: var(--accent-hover);
  color: #141618;
}

.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-1);
  border: 1px solid var(--line);
  color: var(--text-1);
  font-size: 1rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ====== 页面主体 ====== */
.article-main {
  padding-top: 110px;
  padding-bottom: 80px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-3);
  margin-bottom: 28px;
  padding: 0;
  background: transparent;
}
.breadcrumb a {
  color: var(--text-3);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb i {
  font-size: 0.625rem;
  color: var(--text-3);
  opacity: 0.6;
}
.breadcrumb .current {
  color: var(--text-3);
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: inline-block;
}

/* 文章头部 */
.article-header {
  max-width: 800px;
  margin: 0 auto 32px;
}

.article-header h1 {
  font-size: clamp(1.75rem, 3.2vw, 2.25rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--text-1);
  letter-spacing: 0.02em;
  margin-bottom: 18px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--text-3);
}
.article-meta .dot {
  margin: 0 4px;
  opacity: 0.5;
}
.article-meta .meta-cat {
  color: var(--accent);
  font-weight: 600;
}
.article-meta .meta-hot {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--info);
  font-weight: 600;
}
.article-meta .meta-hot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--info);
  display: inline-block;
}

/* 正文阅读区 */
.article-content {
  max-width: 760px;
  margin: 0 auto 48px;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--text-2);
  word-wrap: break-word;
}

.article-content p {
  margin-bottom: 1.6em;
}

.article-content h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-1);
  margin: 1.5em 0 0.75em;
  line-height: 1.35;
}
.article-content h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-1);
  margin: 1.25em 0 0.6em;
  line-height: 1.4;
}
.article-content h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-1);
  margin: 1.1em 0 0.5em;
}

.article-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover {
  color: var(--accent-hover);
}

.article-content img {
  border-radius: 12px;
  margin: 1.5em auto;
  box-shadow: var(--shadow-card);
}

.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  padding: 18px 22px;
  margin: 1.6em 0;
  border-radius: 0 12px 12px 0;
  color: var(--text-2);
}
.article-content blockquote p {
  margin-bottom: 0.5em;
}
.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content ul,
.article-content ol {
  margin: 1.2em 0 1.6em;
  padding-left: 1.5em;
}
.article-content ul li,
.article-content ol li {
  margin-bottom: 0.6em;
}
.article-content ul li::marker {
  color: var(--accent);
}
.article-content ol li::marker {
  color: var(--accent);
  font-weight: 700;
}

.article-content pre {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 1.5em 0;
  color: var(--text-1);
  font-family: "SF Mono", Consolas, "Courier New", monospace;
}
.article-content code {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 0.875em;
  color: var(--info);
  font-family: "SF Mono", Consolas, "Courier New", monospace;
}
.article-content pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  border-radius: 12px;
  overflow: hidden;
  font-size: 0.9375rem;
}
.article-content table th,
.article-content table td {
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  text-align: left;
}
.article-content table th {
  background: var(--bg-2);
  color: var(--text-1);
  font-weight: 700;
}
.article-content table tr:first-child th {
  border-top: none;
}

/* 文章空态 */
.article-empty {
  max-width: 760px;
  margin: 0 auto 48px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 60px 30px;
  text-align: center;
}
.article-empty i {
  font-size: 2rem;
  color: var(--text-3);
  margin-bottom: 16px;
  display: block;
}
.article-empty p {
  font-size: 0.9375rem;
  color: var(--text-3);
  margin-bottom: 20px;
}

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #141618;
  font-weight: 700;
  font-size: 0.9375rem;
  border: none;
  cursor: pointer;
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.15s ease;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #141618;
  box-shadow: 0 4px 12px rgba(255, 90, 31, 0.3);
}
.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}
.btn-secondary:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

/* 标签组 */
.article-tags {
  max-width: 760px;
  margin: 0 auto 56px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--text-3);
  cursor: default;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 相关推荐 */
.related-section {
  max-width: 1200px;
  margin: 0 auto 48px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.section-head h2 {
  font-size: clamp(1.375rem, 2vw, 1.75rem);
  font-weight: 800;
  color: var(--text-1);
}
.section-head a {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 600;
}
.section-head a:hover {
  color: var(--accent-hover);
}

.related-card {
  display: block;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--accent);
}

.related-cover {
  height: 168px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.related-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--mask);
}
.related-cover i {
  position: absolute;
  right: 14px;
  bottom: 12px;
  z-index: 2;
  color: #fff;
  font-size: 0.8125rem;
  opacity: 0.85;
}

.related-info {
  padding: 16px 20px 20px;
}
.related-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 4px;
  line-height: 1.4;
}
.related-desc {
  font-size: 0.8125rem;
  color: var(--text-3);
  line-height: 1.6;
}

/* 返回 */
.back-home-wrap {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.back-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-3);
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  transition: all 0.25s ease;
}
.back-home:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ====== 页脚 ====== */
.footer {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  padding: 56px 0 24px;
}

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

.footer-brand .nav-logo {
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 0.875rem;
  color: var(--text-3);
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 0.9375rem;
  transition: all 0.25s ease;
}
.footer-social a:hover {
  background: var(--accent);
  color: var(--bg-0);
  border-color: var(--accent);
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--text-3);
}
.footer-links a:hover {
  color: var(--accent);
}

.footer-contact p {
  font-size: 0.875rem;
  color: var(--text-3);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact i {
  color: var(--text-3);
  width: 16px;
  text-align: center;
}

.footer-subscribe-form {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.subscribe-input {
  flex: 1;
  height: 44px;
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0 16px;
  font-size: 0.875rem;
  color: var(--text-1);
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.subscribe-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.15);
}
.subscribe-btn {
  height: 44px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #141618;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  transition: background 0.25s ease;
}
.subscribe-btn:hover {
  background: var(--accent-hover);
}

.form-message {
  display: none;
  font-size: 0.8125rem;
  color: var(--info);
  margin-top: 10px;
}
.form-error {
  display: none;
  font-size: 0.8125rem;
  color: #FF4D4F;
  margin-top: 10px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-3);
}

/* ====== 响应式 ====== */
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  
  .related-cover {
    height: 150px;
  }
}

@media (max-width: 767px) {
  .site-header {
    top: 10px;
  }
  
  .nav-container {
    height: 54px;
    padding: 0 14px 0 12px;
    width: calc(100% - 20px);
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    box-shadow: var(--shadow-hover);
  }
  
  .nav-links.open {
    display: flex;
  }
  
  .nav-link {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    text-align: center;
  }
  
  .nav-cta {
    margin: 8px 0 0;
    text-align: center;
  }
  
  .nav-burger {
    display: flex;
  }
  
  .article-main {
    padding-top: 90px;
    padding-bottom: 56px;
  }
  
  .breadcrumb {
    font-size: 0.75rem;
    margin-bottom: 20px;
  }
  
  .article-header h1 {
    font-size: 1.5rem;
  }
  
  .article-content {
    font-size: 1rem;
  }
  
  .article-content h2 {
    font-size: 1.375rem;
  }
  
  .article-content h3 {
    font-size: 1.1875rem;
  }
  
  .related-section {
    padding-top: 32px;
  }
  
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .footer {
    padding: 40px 0 20px;
  }
}

@media (max-width: 520px) {
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  
  .article-meta {
    font-size: 0.75rem;
  }
  
  .article-tags {
    gap: 8px;
  }
  
  .tag {
    height: 28px;
    font-size: 0.75rem;
    padding: 0 10px;
  }
  
  .related-cover {
    height: 140px;
  }
  
  .related-info {
    padding: 14px 16px 16px;
  }
}

/* roulang page: category1 */
:root{
  --bg-0:#0E1013;--bg-1:#171A1F;--bg-2:#1E232A;--line:#2A3038;
  --accent:#FF5A1F;--accent-hover:#FF7A45;--accent-soft:rgba(255,90,31,0.12);
  --info:#00E0C6;--text-1:#F5F7FA;--text-2:#C6CDD4;--text-3:#8A949E;
  --mask:linear-gradient(180deg,rgba(14,16,19,0.55) 0%,rgba(14,16,19,0.88) 100%);
  --nav-bg:rgba(20,24,28,0.78);--nav-line:rgba(255,255,255,0.08);
  --radius:16px;--radius-sm:8px;--radius-pill:999px;
  --shadow:0 4px 16px rgba(0,0,0,0.25);--shadow-hover:0 8px 24px rgba(0,0,0,0.4);
  --transition:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{scroll-behavior:smooth}
body{
  background:var(--bg-0);
  color:var(--text-2);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:1rem;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
input,button{font-family:inherit;border:none;outline:none}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:100%;margin:0 auto}
.row .columns{padding-left:12px;padding-right:12px}
.section{padding:80px 0}
.section-head{text-align:center;margin-bottom:48px}
.section-tag{
  display:inline-block;background:var(--accent-soft);color:var(--accent);
  font-size:.8125rem;font-weight:600;padding:5px 16px;border-radius:var(--radius-pill);
  letter-spacing:.5px;margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(1.75rem,3vw,2.25rem);font-weight:800;color:var(--text-1);line-height:1.3;margin-bottom:10px;
}
.section-head p{color:var(--text-3);font-size:.9375rem;max-width:600px;margin:0 auto}
/* 导航 */
.site-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1200px,calc(100% - 32px));z-index:1000;
  border-radius:var(--radius-pill);background:var(--nav-bg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--nav-line);
  box-shadow:0 8px 24px rgba(0,0,0,0.35);
}
.nav-container{display:flex;align-items:center;justify-content:space-between;padding:8px 16px}
.nav-logo{display:flex;align-items:center;gap:9px;color:var(--text-1);font-size:1.125rem;font-weight:800;letter-spacing:.5px}
.logo-mark{
  width:34px;height:34px;border-radius:50%;background:var(--accent);
  color:var(--bg-0);display:flex;align-items:center;justify-content:center;
  font-size:16px;flex-shrink:0;box-shadow:0 0 12px rgba(255,90,31,0.35);
}
.logo-sub{font-size:.75rem;color:var(--text-3);font-weight:500}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-block;padding:8px 18px;border-radius:var(--radius-pill);
  font-size:.875rem;color:var(--text-2);font-weight:500;
  transition:all var(--transition);white-space:nowrap;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,0.06)}
.nav-link.active{background:var(--accent);color:var(--bg-0);font-weight:600}
.nav-cta{
  display:inline-block;padding:8px 20px;border-radius:var(--radius-pill);
  background:var(--accent);color:var(--bg-0);font-size:.875rem;font-weight:700;
  transition:all var(--transition);white-space:nowrap;
}
.nav-cta:hover{background:var(--accent-hover);box-shadow:0 4px 12px rgba(255,90,31,0.3);transform:translateY(-1px)}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:50%;
  background:var(--bg-2);color:var(--text-1);border:1px solid var(--line);
  cursor:pointer;align-items:center;justify-content:center;font-size:1.125rem;
}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:46px;padding:0 28px;border-radius:var(--radius-sm);
  font-size:.9375rem;font-weight:700;cursor:pointer;
  transition:all var(--transition);text-decoration:none;line-height:1;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#141618}
.btn-primary:hover{background:var(--accent-hover);box-shadow:0 4px 12px rgba(255,90,31,0.3);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-secondary{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.btn-secondary:hover{background:var(--accent-soft);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(1px)}
.btn-lg{height:52px;padding:0 36px;font-size:1rem}
/* Hero */
.page-hero{
  position:relative;min-height:70vh;display:flex;align-items:center;
  padding:140px 0 80px;overflow:hidden;isolation:isolate;
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  z-index:-2;
}
.hero-overlay{
  position:absolute;inset:0;background:var(--mask);z-index:-1;
}
.hero-content{max-width:720px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(0,224,198,0.1);color:var(--info);
  font-size:.8125rem;font-weight:600;padding:6px 16px;border-radius:var(--radius-pill);
  margin-bottom:20px;letter-spacing:.5px;
}
.hero-badge i{font-size:8px}
.hero-content h1{
  font-size:clamp(2.5rem,5vw,3.5rem);font-weight:900;color:var(--text-1);
  line-height:1.2;margin-bottom:18px;letter-spacing:1px;
}
.hero-sub{
  font-size:1.125rem;color:var(--text-2);line-height:1.8;
  max-width:600px;margin-bottom:32px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
/* 分类描述 */
.intro-section{padding:60px 0 20px}
.intro-block{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 40px;font-size:1rem;line-height:1.9;color:var(--text-2);
  max-width:900px;margin:0 auto;text-align:center;position:relative;
}
.intro-block::before{
  content:"";position:absolute;left:40px;top:-1px;width:48px;height:4px;
  background:var(--accent);border-radius:0 0 4px 4px;
}
/* 核心卖点 */
.features-section{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feature-card{
  background:var(--bg-0);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;height:100%;text-align:center;
  transition:all var(--transition);
}
.feature-card:hover{
  border-color:var(--accent);box-shadow:var(--shadow-hover);transform:translateY(-2px);
}
.feature-card i{
  font-size:2rem;color:var(--accent);background:var(--accent-soft);
  width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  margin:0 auto 22px;
}
.feature-card h3{font-size:1.125rem;font-weight:700;color:var(--text-1);margin-bottom:12px}
.feature-card p{font-size:.875rem;color:var(--text-2);line-height:1.7}
/* 赛事类型 */
.game-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;height:100%;transition:all var(--transition);
  display:flex;flex-direction:column;
}
.game-card:hover{border-color:var(--accent);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.game-card img{height:180px;object-fit:cover;width:100%}
.game-card-body{padding:24px;flex:1;display:flex;flex-direction:column;gap:10px}
.game-card-body h3{font-size:1.125rem;font-weight:700;color:var(--text-1)}
.game-card-body p{font-size:.875rem;color:var(--text-2);line-height:1.7;flex:1}
.tag{
  display:inline-block;background:var(--accent-soft);color:var(--accent);
  font-size:.75rem;font-weight:600;padding:3px 12px;border-radius:var(--radius-pill);
  align-self:flex-start;
}
/* 流程+数据 */
.process-section{background:var(--bg-0)}
.process-steps{margin-bottom:56px}
.step-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;text-align:center;height:100%;position:relative;
  transition:all var(--transition);
}
.step-item:hover{border-color:var(--accent);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.step-num{
  display:block;font-size:2.5rem;font-weight:800;color:var(--accent);
  line-height:1;margin-bottom:14px;font-feature-settings:"tnum";
}
.step-item h3{font-size:1rem;font-weight:700;color:var(--text-1);margin-bottom:8px}
.step-item p{font-size:.8125rem;color:var(--text-3);line-height:1.6}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:40px 32px;
}
.stat-item{text-align:center}
.stat-num{
  display:block;font-size:2rem;font-weight:800;color:var(--accent);
  font-feature-settings:"tnum";line-height:1.2;margin-bottom:6px;
}
.stat-label{font-size:.875rem;color:var(--text-3)}
/* FAQ */
.faq-section{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.accordion{list-style:none;margin:0;padding:0}
.accordion-item{
  background:var(--bg-0);border:1px solid var(--line);border-radius:12px;
  margin-bottom:10px;overflow:hidden;transition:border-color var(--transition);
}
.accordion-item.is-active{border-color:var(--accent)}
.accordion-title{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 24px;font-size:1.0625rem;font-weight:600;color:var(--text-1);
  cursor:pointer;transition:color var(--transition);line-height:1.4;
}
.accordion-title:hover{color:var(--accent)}
.accordion-title::after{
  content:"\002B";font-size:1.5rem;font-weight:300;color:var(--accent);
  transition:transform .3s ease;line-height:1;margin-left:16px;flex-shrink:0;
}
.accordion-item.is-active .accordion-title{color:var(--accent)}
.accordion-item.is-active .accordion-title::after{transform:rotate(45deg)}
.accordion-content{
  padding:0 24px 20px;font-size:.9375rem;color:var(--text-2);
  line-height:1.7;border-top:1px solid transparent;
}
.accordion-item.is-active .accordion-content{border-top-color:var(--line);padding-top:16px}
.accordion-content p{margin-bottom:0}
/* CTA */
.cta-section{padding:80px 0}
.cta-box{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:48px 40px;position:relative;overflow:hidden;
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 20%,rgba(255,90,31,0.15),transparent 60%);
  pointer-events:none;
}
.cta-box h2{
  font-size:clamp(1.5rem,2.5vw,2rem);font-weight:800;color:var(--text-1);
  margin-bottom:8px;line-height:1.3;
}
.cta-box p{color:var(--text-3);font-size:.9375rem}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe-input{
  flex:1;min-width:200px;height:48px;background:var(--bg-0);
  border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 16px;color:var(--text-1);font-size:.9375rem;
  transition:border-color var(--transition),box-shadow var(--transition);
}
.subscribe-input::placeholder{color:var(--text-3)}
.subscribe-input:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(255,90,31,0.15);
}
.subscribe-input.error{border-color:#FF4D4F;box-shadow:0 0 0 3px rgba(255,77,79,0.12)}
.form-message,.form-error{display:none;font-size:.8125rem;margin-top:10px;width:100%}
.form-message{color:var(--info)}
.form-error{color:#FF4D4F}
.form-message.show,.form-error.show{display:block}
/* 页脚 */
.footer{
  background:#171A1F;border-top:1px solid var(--line);
  padding:60px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;
  gap:40px;margin-bottom:40px;
}
.footer-brand{margin-bottom:16px}
.footer-desc{font-size:.875rem;color:var(--text-3);line-height:1.7;margin-top:14px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;background:var(--bg-0);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:.9375rem;transition:all var(--transition);
}
.footer-social a:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.footer-title{font-size:.9375rem;font-weight:700;color:var(--text-1);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:.875rem;color:var(--text-3);transition:color var(--transition)}
.footer-links a:hover{color:var(--accent)}
.footer-contact p{font-size:.875rem;color:var(--text-3);margin-bottom:8px;display:flex;align-items:center;gap:8px}
.footer-contact i{color:var(--accent);width:16px;text-align:center}
.footer-subscribe-form{display:flex;gap:8px;margin-top:8px}
.footer-subscribe-form .subscribe-input{
  min-width:0;flex:1;height:42px;font-size:.875rem;background:var(--bg-0);
  border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;color:var(--text-1);transition:border-color var(--transition);
}
.footer-subscribe-form .subscribe-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,90,31,0.12)}
.footer-subscribe-form .subscribe-btn{
  height:42px;padding:0 18px;background:var(--accent);color:var(--bg-0);
  font-size:.875rem;font-weight:700;border-radius:var(--radius-sm);
  cursor:pointer;transition:background var(--transition);white-space:nowrap;
}
.footer-subscribe-form .subscribe-btn:hover{background:var(--accent-hover)}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:24px;
  font-size:.8125rem;color:var(--text-3);text-align:center;
}
/* 响应式 */
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero-content h1{font-size:2.5rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .nav-container{padding:8px 12px}
  .nav-links{
    display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;
    background:var(--bg-2);border:1px solid var(--line);border-radius:16px;
    flex-direction:column;padding:16px;gap:4px;box-shadow:var(--shadow-hover);
  }
  .nav-links.open{display:flex}
  .nav-link,.nav-cta{width:100%;text-align:center;padding:12px 18px}
  .nav-burger{display:flex}
  .page-hero{padding:120px 0 60px;min-height:auto}
  .hero-content h1{font-size:2rem}
  .hero-sub{font-size:1rem}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .intro-block{padding:24px 20px}
  .cta-box{padding:32px 24px}
  .cta-box h2{font-size:1.5rem}
  .subscribe-form{flex-direction:column}
  .subscribe-input{width:100%}
  .subscribe-btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .stats-grid{padding:32px 20px;gap:24px}
  .step-item{padding:24px 16px}
  .feature-card{padding:24px 20px}
  .game-card img{height:150px}
  .accordion-title{padding:16px 18px;font-size:.9375rem}
  .accordion-content{padding:0 18px 16px}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-num{font-size:1.5rem}
  .hero-content h1{font-size:1.75rem}
  .footer-subscribe-form{flex-direction:column}
  .footer-subscribe-form .subscribe-btn{width:100%}
}

/* roulang page: category2 */
:root {
  --bg-0: #0E1013;
  --bg-1: #171A1F;
  --bg-2: #1E232A;
  --line: #2A3038;
  --accent: #FF5A1F;
  --accent-hover: #FF7A45;
  --accent-soft: rgba(255,90,31,0.12);
  --info: #00E0C6;
  --text-1: #F5F7FA;
  --text-2: #C6CDD4;
  --text-3: #8A949E;
  --mask: linear-gradient(180deg, rgba(14,16,19,0.55) 0%, rgba(14,16,19,0.88) 100%);
  --nav-bg: rgba(20,24,28,0.78);
  --nav-line: rgba(255,255,255,0.08);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.4);
  --font-main: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--bg-0);
  color: var(--text-2);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--accent-hover); }
h1, h2, h3, h4, h5, h6 { margin: 0 0 0.75em; color: var(--text-1); line-height: 1.25; font-weight: 800; }
p { margin: 0 0 1.5em; font-size: 0.9375rem; line-height: 1.8; }
ul, ol { margin: 0 0 1.5em; padding-left: 1.25rem; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.row { max-width: 1200px; margin: 0 auto; }
.row > .columns { padding-left: 12px; padding-right: 12px; }
.section { padding: 80px 0; }
.section-header { margin-bottom: 48px; }
.section-header.centered { text-align: center; }
.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(255,90,31,0.25);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-1);
}
.section-sub {
  font-size: 0.9375rem;
  color: var(--text-2);
  max-width: 720px;
  margin-bottom: 0;
}
.section-header.centered .section-sub { margin-left: auto; margin-right: auto; }

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 999;
  pointer-events: none;
}
.nav-container {
  max-width: 1200px;
  width: calc(100% - 32px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--nav-bg);
  border: 1px solid var(--nav-line);
  border-radius: 999px;
  padding: 10px 12px 10px 20px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  pointer-events: auto;
  transition: border-color 0.3s ease;
}
.nav-container:hover { border-color: rgba(255,90,31,0.2); }
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.nav-logo:hover { color: var(--text-1); }
.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent);
  color: #141618;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  box-shadow: 0 0 0 4px rgba(255,90,31,0.12);
}
.logo-sub {
  font-size: 0.8125rem;
  color: var(--text-3);
  font-weight: 600;
  margin-left: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex-wrap: nowrap;
}
.nav-link {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: all 0.25s ease;
  white-space: nowrap;
}
.nav-link:hover { color: var(--text-1); background: rgba(255,255,255,0.06); }
.nav-link.active,
.nav-link.active:hover {
  background: var(--accent);
  color: #141618;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(255,90,31,0.25);
}
.nav-cta {
  display: inline-block;
  margin-left: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: #141618;
  font-size: 0.875rem;
  font-weight: 700;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--accent-hover);
  color: #141618;
  box-shadow: 0 4px 14px rgba(255,90,31,0.3);
}
.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text-1);
  font-size: 1rem;
  cursor: pointer;
}

/* ===== Hero 横幅 ===== */
.page-hero {
  position: relative;
  min-height: 300px;
  display: flex;
  align-items: center;
  padding: 140px 0 60px;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  border-bottom: 1px solid var(--line);
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--mask);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,224,198,0.1);
  border: 1px solid rgba(0,224,198,0.22);
  color: var(--info);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--info);
  box-shadow: 0 0 0 4px rgba(0,224,198,0.15);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(0,224,198,0.12); }
  50% { box-shadow: 0 0 0 8px rgba(0,224,198,0.06); }
}
.page-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 900;
  color: var(--text-1);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
.hero-sub {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-2);
  max-width: 680px;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  font-family: var(--font-main);
  line-height: 1;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: #141618;
  box-shadow: 0 4px 12px rgba(255,90,31,0.25);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #141618;
  box-shadow: 0 6px 18px rgba(255,90,31,0.35);
}
.btn-ghost {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}
.btn-ghost:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-hover);
}

/* ===== 描述 + 卖点 ===== */
.intro-section {
  background: var(--bg-0);
}
.intro-copy {
  padding-right: 20px;
}
.intro-copy .section-title { margin-bottom: 18px; }
.intro-copy p { color: var(--text-2); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feature-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.feature-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.feature-num {
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 14px;
  font-feature-settings: "tnum";
}
.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.875rem;
  color: var(--text-2);
  margin-bottom: 0;
  line-height: 1.7;
}

/* ===== 覆盖赛事 ===== */
.coverage-section {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 8px;
}
.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-1);
  transition: all 0.25s ease;
}
.tag-item i { color: var(--accent); font-size: 0.8125rem; }
.tag-item:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

/* ===== 流程 ===== */
.steps-section {
  background: var(--bg-0);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.step-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: all 0.25s ease;
}
.step-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 18px;
  border: 1px solid rgba(255,90,31,0.2);
}
.step-card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 0.875rem; color: var(--text-2); margin-bottom: 0; }

/* ===== 资讯栏目 ===== */
.channel-section {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.channel-grid { margin-top: 8px; }
.channel-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
}
.channel-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.channel-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background: var(--bg-2);
}
.channel-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.channel-card:hover .channel-cover img { transform: scale(1.04); }
.channel-tag {
  position: absolute;
  left: 14px;
  bottom: 12px;
  background: rgba(14,16,19,0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-1);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
}
.channel-body {
  padding: 22px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.channel-body h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 10px; }
.channel-body p {
  font-size: 0.875rem;
  color: var(--text-2);
  margin-bottom: 16px;
  flex: 1;
}
.channel-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.channel-link i { font-size: 0.75rem; transition: transform 0.25s ease; }
.channel-link:hover i { transform: translateX(4px); }

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-0);
}
.faq-accordion {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}
.faq-accordion .accordion-item {
  list-style: none;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-accordion .accordion-item.is-active {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.faq-accordion .accordion-title {
  background: transparent !important;
  border-bottom: 1px solid transparent !important;
  color: var(--text-1) !important;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.5;
  padding: 18px 22px;
  padding-right: 52px;
  position: relative;
  background-image: none !important;
  transition: color 0.25s ease;
}
.faq-accordion .accordion-title:hover {
  color: var(--accent-hover) !important;
}
.faq-accordion .accordion-item.is-active > .accordion-title {
  color: var(--accent) !important;
}
.faq-accordion .accordion-title::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.8125rem;
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  transition: transform 0.3s ease, color 0.3s ease;
}
.faq-accordion .accordion-item.is-active > .accordion-title::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--accent);
}
.faq-accordion .accordion-content {
  background: transparent !important;
  border-bottom: 0 !important;
  color: var(--text-2);
  font-size: 0.9375rem;
  line-height: 1.8;
  padding: 0 22px 18px !important;
}
.faq-accordion .accordion-content p {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 0;
}

/* ===== CTA ===== */
.cta-band {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  padding: 64px 0 72px;
}
.cta-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--info));
}
.cta-copy h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 10px;
}
.cta-copy p {
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: 24px;
}
.cta-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.subscribe-input {
  width: 280px;
  max-width: 100%;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--bg-0);
  border: 1px solid var(--line);
  color: var(--text-1);
  padding: 0 16px;
  font-size: 0.9375rem;
  font-family: var(--font-main);
  outline: none;
  transition: all 0.25s ease;
}
.subscribe-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,90,31,0.15);
}
.subscribe-input::placeholder { color: var(--text-3); }
.form-message, .form-error {
  display: none;
  margin-top: 14px;
  font-size: 0.8125rem;
  line-height: 1.5;
}
.form-message { color: var(--info); }
.form-error { color: #FF4D4F; }

/* ===== 页脚 ===== */
.footer {
  background: #171A1F;
  border-top: 1px solid var(--line);
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-desc {
  font-size: 0.875rem;
  color: var(--text-3);
  line-height: 1.8;
  margin-bottom: 16px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  transition: all 0.25s ease;
}
.footer-social a:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.footer-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 14px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color 0.2s ease;
}
.footer-links a:hover { color: var(--accent); }
.footer-contact p {
  font-size: 0.875rem;
  color: var(--text-2);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact i { color: var(--text-3); width: 16px; }
.footer-subscribe-form {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.footer-subscribe-form .subscribe-input {
  width: 100%;
  height: 42px;
  font-size: 0.875rem;
}
.subscribe-btn {
  height: 42px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #141618;
  border: none;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.subscribe-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(255,90,31,0.3);
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-3);
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1023px) {
  .section { padding: 60px 0; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nav-links {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow-hover);
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    gap: 6px;
    display: none;
    z-index: 998;
  }
  .nav-links.open { display: flex; }
  .nav-link, .nav-cta { text-align: center; border-radius: 10px; }
  .nav-cta { margin-left: 0; margin-top: 4px; }
  .nav-burger { display: inline-flex; }
}
@media screen and (max-width: 767px) {
  .section { padding: 48px 0; }
  .page-hero { padding: 120px 0 48px; min-height: 0; }
  .page-title { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .feature-grid { grid-template-columns: 1fr; }
  .intro-copy { padding-right: 0; margin-bottom: 24px; }
  .steps-grid { grid-template-columns: 1fr; }
  .tag-list { gap: 10px; }
  .tag-item { padding: 8px 16px; font-size: 0.8125rem; }
  .channel-grid .columns { margin-bottom: 16px; }
  .cta-inner { padding: 32px 20px; }
  .cta-form { flex-direction: column; }
  .cta-form .subscribe-input { width: 100%; }
  .cta-form .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-subscribe-form { flex-direction: column; }
  .footer-subscribe-form .subscribe-btn { width: 100%; }
  .nav-container { padding: 8px 8px 8px 16px; }
}
@media screen and (max-width: 520px) {
  .section-title { font-size: 1.5rem; }
  .nav-logo { font-size: 1rem; }
  .logo-sub { display: none; }
  .logo-mark { width: 32px; height: 32px; }
  .nav-cta { font-size: 0.8125rem; padding: 8px 14px; }
  .feature-card, .step-card { padding: 20px; }
  .faq-accordion .accordion-title { font-size: 0.9375rem; padding: 16px 16px; padding-right: 44px; }
  .faq-accordion .accordion-content { padding: 0 16px 16px !important; font-size: 0.875rem; }
}

/* roulang page: category3 */
:root {
  --bg-0: #0E1013;
  --bg-1: #171A1F;
  --bg-2: #1E232A;
  --line: #2A3038;
  --accent: #FF5A1F;
  --accent-hover: #FF7A45;
  --accent-soft: rgba(255,90,31,0.12);
  --info: #00E0C6;
  --text-1: #F5F7FA;
  --text-2: #C6CDD4;
  --text-3: #8A949E;
  --mask: linear-gradient(180deg, rgba(14,16,19,0.55) 0%, rgba(14,16,19,0.88) 100%);
  --nav-bg: rgba(20,24,28,0.78);
  --nav-line: rgba(255,255,255,0.08);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.4);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-0);
  color: var(--text-2);
  font-family: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 1rem;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input {
  font-family: inherit;
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.section-head .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--text-1);
  line-height: 1.3;
  max-width: 640px;
}

/* ── 固定胶囊导航 ── */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 16px;
}

.nav-container {
  width: min(1200px, calc(100% - 32px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--nav-line);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  padding: 8px 16px;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-1);
  white-space: nowrap;
}

.nav-logo .logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #141618;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.nav-logo .logo-sub {
  color: var(--accent);
  font-weight: 700;
  margin-left: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--text-2);
  font-weight: 500;
  transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
}

.nav-link:hover {
  color: var(--text-1);
  background: rgba(255,255,255,0.06);
}

.nav-link.active {
  background: var(--accent);
  color: #141618;
  font-weight: 700;
}

.nav-cta {
  background: var(--accent);
  color: #141618;
  border-radius: 999px;
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 700;
  border: none;
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
  margin-left: 8px;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(255,90,31,0.3);
  transform: translateY(-1px);
}

.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text-1);
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  transition: border-color 0.25s ease;
}

.nav-burger:hover {
  border-color: var(--accent);
}

/* ── Hero 分类横幅 ── */
.category-hero {
  position: relative;
  padding: 200px 0 100px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--mask);
  pointer-events: none;
}

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

.category-hero-inner {
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,224,198,0.1);
  border: 1px solid rgba(0,224,198,0.2);
  color: var(--info);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge .live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--info);
  box-shadow: 0 0 0 0 rgba(0,224,198,0.5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0,224,198,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(0,224,198,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,224,198,0); }
}

.category-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--text-1);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.category-description {
  font-size: 1.0625rem;
  color: var(--text-2);
  max-width: 700px;
  margin-bottom: 32px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 700;
  transition: all 0.25s ease;
  border: none;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: #141618;
  box-shadow: 0 4px 12px rgba(255,90,31,0.2);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #141618;
  box-shadow: 0 4px 16px rgba(255,90,31,0.35);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}

.btn-secondary:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* ── 回放优势卡片 ── */
.feature-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  height: 100%;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.feature-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.feature-card .feature-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 20px;
  font-feature-settings: "tnum";
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ── 回放卡片 ── */
.replay-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
  margin-bottom: 24px;
}

.replay-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.replay-card .card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-2);
}

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

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

.replay-card .duration-badge {
  position: absolute;
  bottom: 10px;
  right: 12px;
  background: rgba(14,16,19,0.82);
  color: var(--text-1);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.replay-card .card-body {
  padding: 18px 20px 20px;
}

.replay-card .card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.replay-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-3);
}

.replay-card .card-meta i {
  color: var(--accent);
  margin-right: 4px;
}

.replay-card .watch-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 12px;
  transition: gap 0.25s ease, color 0.25s ease;
}

.replay-card .watch-link:hover {
  color: var(--accent-hover);
  gap: 10px;
}

/* ── 观看流程 ── */
.step-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  height: 100%;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.step-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  font-feature-settings: "tnum";
}

.step-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 12px;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ── FAQ 手风琴 ── */
.accordion {
  max-width: 760px;
  margin: 0 auto;
  background: transparent;
}

.accordion-item {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 8px;
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.accordion-item:hover {
  border-color: var(--text-3);
}

.accordion-item.is-active {
  border-color: var(--accent);
}

.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-1);
  background: transparent;
  border: none;
  line-height: 1.5;
  cursor: pointer;
  transition: color 0.25s ease;
}

.accordion-title:hover,
.accordion-item.is-active .accordion-title {
  color: var(--accent);
  background: transparent;
}

.accordion-title::after {
  content: "\002B";
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--text-3);
  transition: transform 0.3s ease, color 0.3s ease;
  margin-left: 16px;
  line-height: 1;
}

.accordion-item.is-active .accordion-title::after {
  transform: rotate(45deg);
  color: var(--accent);
}

.accordion-content {
  padding: 0 22px 22px;
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.7;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
}

.accordion-content p {
  margin-bottom: 0;
  padding-top: 16px;
}

/* ── CTA 订阅 ── */
.cta-section {
  padding: 80px 0;
}

.cta-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-info {
  flex: 1;
  min-width: 260px;
}

.cta-info h3 {
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 8px;
}

.cta-info p {
  font-size: 0.9375rem;
  color: var(--text-2);
  margin-bottom: 0;
}

.subscribe-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  min-width: 320px;
  flex: 1;
  position: relative;
}

.subscribe-input {
  width: 100%;
  max-width: 280px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--bg-0);
  border: 1px solid var(--line);
  color: var(--text-1);
  padding: 0 16px;
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.subscribe-input::placeholder {
  color: var(--text-3);
}

.subscribe-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,90,31,0.15);
}

.subscribe-input.input-error {
  border-color: #FF4D4F;
  box-shadow: 0 0 0 3px rgba(255,77,79,0.15);
}

.subscribe-input.input-success {
  border-color: var(--info);
  box-shadow: 0 0 0 3px rgba(0,224,198,0.15);
}

.subscribe-btn {
  background: var(--accent);
  color: #141618;
  border: none;
  border-radius: var(--radius-sm);
  height: 46px;
  padding: 0 26px;
  font-size: 0.9375rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
  white-space: nowrap;
}

.subscribe-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(255,90,31,0.3);
  transform: translateY(-2px);
}

.subscribe-btn:active {
  transform: translateY(0);
}

.form-message,
.form-error {
  font-size: 0.8125rem;
  line-height: 1.5;
  margin-top: 8px;
  display: none;
  width: 100%;
}

.form-message.show {
  display: block;
  color: var(--info);
}

.form-error.show {
  display: block;
  color: #FF4D4F;
}

/* ── 页脚 ── */
.footer {
  background: #171A1F;
  border-top: 1px solid var(--line);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

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

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-3);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  transition: all 0.25s ease;
}

.footer-social a:hover {
  background: var(--accent);
  color: #141618;
  border-color: var(--accent);
  transform: translateY(-2px);
}

.footer-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 20px;
}

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

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color 0.25s ease;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-contact p {
  font-size: 0.875rem;
  color: var(--text-2);
  margin-bottom: 12px;
}

.footer-contact i {
  color: var(--accent);
  margin-right: 8px;
  width: 16px;
  text-align: center;
}

.footer-subscribe-form {
  display: flex;
  gap: 8px;
  align-items: center;
}

.footer-subscribe-form .subscribe-input {
  flex: 1;
  max-width: none;
  height: 42px;
  font-size: 0.875rem;
}

.footer-subscribe-form .subscribe-btn {
  height: 42px;
  padding: 0 20px;
  font-size: 0.875rem;
  white-space: nowrap;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-size: 0.8125rem;
  color: var(--text-3);
  text-align: center;
}

/* ── 响应式 ── */
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 48px 0;
  }

  .nav-container {
    height: 60px;
    padding: 6px 14px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    box-shadow: var(--shadow-hover);
  }

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

  .nav-link {
    padding: 12px 18px;
    font-size: 0.9375rem;
  }

  .nav-link.active {
    background: var(--accent);
    color: #141618;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 8px;
    text-align: center;
    padding: 12px 18px;
  }

  .nav-burger {
    display: flex;
  }

  .category-hero {
    padding: 160px 0 72px;
  }

  .category-title {
    font-size: 2.25rem;
  }

  .category-description {
    font-size: 0.9375rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .cta-section {
    padding: 48px 0;
  }

  .cta-card {
    padding: 28px;
    flex-direction: column;
    align-items: stretch;
  }

  .subscribe-form {
    min-width: 0;
    width: 100%;
    flex-direction: column;
  }

  .subscribe-input {
    max-width: none;
  }

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

  .footer-subscribe-form {
    flex-direction: column;
    align-items: stretch;
  }
}

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

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