:root {
  --bg: #0f1115;
  --bg-soft: #161922;
  --card: #1c202b;
  --card-hover: #232836;
  --text: #e8ebf2;
  --text-dim: #9aa3b5;
  --accent: #ff5c35;
  --accent-2: #ffb703;
  --line: #2a3040;
  --radius: 16px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(255, 92, 53, 0.18), transparent),
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { font-weight: 800; line-height: 1.25; }
h2 { font-size: 1.75rem; margin-bottom: 8px; }
h3 { font-size: 1.1rem; }
.sec-desc { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 24px; }
section { padding: 56px 0; position: relative; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(15,17,21,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; flex-shrink: 0; }
.brand img { height: 32px; width: auto; border-radius: 8px; }
.nav-links { display: flex; gap: 6px; list-style: none; }
.nav-links a { padding: 8px 12px; border-radius: 8px; font-size: 0.92rem; color: var(--text-dim); transition: 0.2s; }
.nav-links a:hover { color: var(--text); background: var(--card); }
.header-actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.search-box {
  display: flex; align-items: center;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: 0 14px; height: 38px; transition: 0.2s;
}
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,92,53,0.15); }
.search-box input { background: transparent; border: none; outline: none; color: var(--text); font-size: 0.85rem; width: 140px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; padding: 10px 18px; border-radius: 999px;
  font-size: 0.9rem; font-weight: 600; border: none; cursor: pointer;
  transition: transform 0.15s, background 0.2s, box-shadow 0.2s;
}
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #ff7048; box-shadow: 0 6px 20px rgba(255,92,53,0.35); }
.btn-ghost { background: var(--card); color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--card-hover); border-color: var(--accent); }
.menu-toggle { display: none; }
.menu-label { display: none; font-size: 1.5rem; cursor: pointer; color: var(--text); }

/* Hero */
.hero { padding: 80px 0 64px; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; }
.hero-tag {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: rgba(255,92,53,0.12); color: var(--accent);
  font-size: 0.82rem; font-weight: 700; margin-bottom: 18px;
  border: 1px solid rgba(255,92,53,0.3);
}
.hero h1 { font-size: 3rem; margin-bottom: 18px; letter-spacing: -0.5px; }
.hero h1 .hl { color: var(--accent); }
.hero-sub { color: var(--text-dim); font-size: 1.05rem; max-width: 480px; margin-bottom: 28px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-stats { display: flex; gap: 28px; margin-top: 36px; flex-wrap: wrap; }
.stat-item { }
.stat-num { font-size: 1.4rem; font-weight: 800; color: var(--accent-2); }
.stat-label { font-size: 0.8rem; color: var(--text-dim); }

/* Danmaku */
.danmaku-stage {
  position: relative; height: 200px; overflow: hidden;
  border-radius: var(--radius); border: 1px solid var(--line);
  background: radial-gradient(circle at 30% 30%, rgba(255,92,53,0.1), transparent 60%), var(--bg-soft);
}
.danmaku-stage .track {
  position: absolute; white-space: nowrap; font-weight: 700; font-size: 1rem;
  color: rgba(255,255,255,0.85); text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  animation: scrollLeft linear infinite;
}
.track:nth-child(1) { top: 18px; animation-duration: 16s; }
.track:nth-child(2) { top: 52px; animation-duration: 20s; animation-delay: -4s; color: var(--accent-2); }
.track:nth-child(3) { top: 88px; animation-duration: 14s; animation-delay: -8s; }
.track:nth-child(4) { top: 124px; animation-duration: 22s; animation-delay: -2s; color: #8ecae6; }
.track:nth-child(5) { top: 158px; animation-duration: 18s; animation-delay: -11s; }
@keyframes scrollLeft {
  from { transform: translateX(100vw); }
  to { transform: translateX(-120%); }
}

/* Cards & Grid */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card {
  background: var(--card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,0.4); border-color: var(--accent); }
.card-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.card:hover .card-media img { transform: scale(1.05); }
.badge {
  position: absolute; top: 10px; left: 10px; padding: 3px 9px;
  border-radius: 6px; font-size: 0.72rem; font-weight: 700;
  background: rgba(255,92,53,0.9); color: #fff;
}
.card-body { padding: 14px; }
.card-body h3 { font-size: 0.95rem; margin-bottom: 6px; }
.card-meta { font-size: 0.78rem; color: var(--text-dim); display: flex; gap: 10px; flex-wrap: wrap; }
.card-tags { margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: 0.7rem; padding: 2px 8px; border-radius: 999px; background: rgba(255,255,255,0.06); color: var(--text-dim); }

/* Ranking Tabs */
.ranking-section { background: var(--bg-soft); border-radius: 24px; margin: 0 auto; max-width: 1160px; padding: 40px; border: 1px solid var(--line); }
.tabs input[type="radio"] { display: none; }
.tab-labels { display: flex; gap: 8px; margin-bottom: 22px; flex-wrap: wrap; }
.tab-labels label {
  padding: 9px 18px; border-radius: 999px; cursor: pointer;
  background: var(--card); border: 1px solid var(--line);
  font-size: 0.88rem; font-weight: 600; color: var(--text-dim); transition: 0.2s;
}
.tab-labels label:hover { color: var(--text); }
#tab-bangumi:checked ~ .tab-labels label[for="tab-bangumi"],
#tab-game:checked ~ .tab-labels label[for="tab-game"],
#tab-original:checked ~ .tab-labels label[for="tab-original"],
#tab-live:checked ~ .tab-labels label[for="tab-live"] {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.tab-panel { display: none; }
#tab-bangumi:checked ~ .tab-panels .panel-bangumi,
#tab-game:checked ~ .tab-panels .panel-game,
#tab-original:checked ~ .tab-panels .panel-original,
#tab-live:checked ~ .tab-panels .panel-live { display: block; }
.rank-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.rank-item {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 16px; border-radius: 12px; background: var(--card);
  transition: 0.2s; border: 1px solid transparent;
}
.rank-item:hover { border-color: var(--accent); transform: translateX(4px); }
.rank-no { font-weight: 800; font-size: 1.1rem; width: 28px; color: var(--text-dim); text-align: center; }
.rank-item:nth-child(1) .rank-no { color: #ffb703; }
.rank-item:nth-child(2) .rank-no { color: #c0c7d4; }
.rank-item:nth-child(3) .rank-no { color: #cd7f32; }
.rank-title { flex: 1; font-size: 0.92rem; font-weight: 600; }
.rank-author { font-size: 0.78rem; color: var(--text-dim); }
.rank-hot { font-size: 0.78rem; color: var(--accent-2); font-weight: 700; }

/* Phone mockup */
.phones { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.phone {
  background: var(--card); border-radius: 28px; padding: 10px;
  border: 1px solid var(--line); transition: 0.25s;
}
.phone:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: 0 16px 40px rgba(0,0,0,0.5); }
.phone-screen { border-radius: 20px; overflow: hidden; aspect-ratio: 9 / 16; background: #000; }
.phone-screen img { width: 100%; height: 100%; object-fit: cover; }
.phone-cap { text-align: center; font-size: 0.82rem; color: var(--text-dim); margin-top: 10px; }
.download-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 28px; }
.qr-placeholder {
  width: 74px; height: 74px; border-radius: 12px;
  border: 1px dashed var(--line); display: grid; place-items: center;
  font-size: 0.7rem; color: var(--text-dim); text-align: center; line-height: 1.3;
  background: var(--card);
}

/* Comments */
.comment-box { background: var(--card); border-radius: var(--radius); padding: 18px; border: 1px solid var(--line); }
.comment-input-row { display: flex; gap: 10px; margin-bottom: 18px; }
.comment-input-row input {
  flex: 1; background: var(--bg); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 14px; color: var(--text); outline: none; font-size: 0.9rem;
}
.comment-input-row input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,92,53,0.15); }
.comment-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.comment-item { display: flex; gap: 12px; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; font-weight: 700; font-size: 0.8rem; color: #fff;
}
.comment-content { font-size: 0.88rem; }
.comment-name { color: var(--accent-2); font-weight: 600; font-size: 0.82rem; }
.comment-time { color: var(--text-dim); font-size: 0.72rem; margin-left: 8px; }

/* Topics */
.topic-item {
  display: grid; grid-template-columns: 180px 1fr; gap: 18px;
  background: var(--card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); transition: 0.2s;
}
.topic-item:hover { border-color: var(--accent); }
.topic-item .card-media { aspect-ratio: 4 / 3; }
.topic-content { padding: 16px 16px 16px 0; }
.topic-content h3 { font-size: 1rem; margin-bottom: 6px; }
.topic-content p { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 10px; }
.topic-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.mini-btn {
  padding: 5px 12px; border-radius: 999px; font-size: 0.76rem;
  background: rgba(255,255,255,0.06); color: var(--text-dim);
  border: 1px solid var(--line); cursor: pointer; transition: 0.2s;
  font-family: inherit;
}
.mini-btn:hover { color: var(--text); border-color: var(--accent); background: rgba(255,92,53,0.12); }
.mini-btn:active { transform: scale(0.94); }

/* Vote */
.vote-box { background: var(--card); border-radius: var(--radius); padding: 22px; border: 1px solid var(--line); }
.vote-option { margin-bottom: 14px; }
.vote-label-row { display: flex; justify-content: space-between; font-size: 0.88rem; margin-bottom: 6px; }
.vote-bar { height: 10px; border-radius: 999px; background: var(--bg); overflow: hidden; }
.vote-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line); padding: 32px 0 36px;
  font-size: 0.78rem; color: var(--text-dim); background: var(--bg-soft);
}
.footer-inner { display: flex; flex-direction: column; gap: 10px; }
.footer-inner a { color: var(--text-dim); }
.footer-inner a:hover { color: var(--accent); }
.update-time { font-size: 0.72rem; color: #6b7385; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 2.4rem; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .phones { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .search-box { display: none; }
  .menu-label { display: block; }
  .ranking-section { padding: 28px; margin: 0 20px; }
}
@media (max-width: 768px) {
  .site-header .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--bg-soft); flex-direction: column; padding: 12px 20px;
    border-bottom: 1px solid var(--line); gap: 4px;
  }
  .menu-check:checked ~ .nav-links { display: flex; }
  .nav-links { display: none; }
  .menu-check:checked ~ .nav-links { display: flex; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 2rem; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .phones { grid-template-columns: 1fr 1fr; gap: 12px; }
  .topic-item { grid-template-columns: 1fr; }
  .topic-content { padding: 0 16px 16px; }
  .ranking-section { margin: 0 12px; padding: 20px; }
  h2 { font-size: 1.4rem; }
  .hero-stats { gap: 18px; }
}