:root {
  color-scheme: light dark;
  --bg: #f3f5f9;
  --panel: rgba(255,255,255,.94);
  --panel-strong: #ffffff;
  --text: #111827;
  --muted: #667085;
  --line: rgba(17,24,39,.1);
  --accent: #e92f9b;
  --accent-2: #7c3aed;
  --shadow: 0 20px 60px rgba(15,23,42,.1);
}
html[data-theme="dark"] {
  --bg: #080b12;
  --panel: rgba(16,20,32,.92);
  --panel-strong: #121827;
  --text: #f7f8fb;
  --muted: #a6adbb;
  --line: rgba(255,255,255,.1);
  --shadow: 0 24px 70px rgba(0,0,0,.4);
}
html[data-theme="auto"] { color-scheme: light dark; }
@media (prefers-color-scheme: dark) {
  html[data-theme="auto"] {
    --bg: #080b12;
    --panel: rgba(16,20,32,.92);
    --panel-strong: #121827;
    --text: #f7f8fb;
    --muted: #a6adbb;
    --line: rgba(255,255,255,.1);
    --shadow: 0 24px 70px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 20%, transparent), transparent 36rem),
    radial-gradient(circle at 85% 10%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent 38rem),
    var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 13px clamp(16px, 3vw, 40px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 950; letter-spacing: -.03em; white-space: nowrap; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 30px color-mix(in srgb, var(--accent) 32%, transparent);
  font-size: 15px;
}
.main-nav { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; flex: 1; padding: 2px 0; }
.main-nav::-webkit-scrollbar { display: none; }
.tools { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.lang, .chip, .page-btn, .button, .source, .more {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-strong) 85%, transparent);
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--muted);
  white-space: nowrap;
  font-size: 14px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.lang.active, .chip.active, .page-btn.active, .button, .source, .more:hover {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.theme-toggle {
  width: 42px;
  height: 42px;
  cursor: pointer;
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--panel-strong);
  border-radius: 999px;
}
.hero {
  width: 100%;
  padding: 44px clamp(18px, 4vw, 70px) 42px;
  min-height: 178px;
  display: grid;
  place-items: center;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(5,7,12,.58), rgba(5,7,12,.18)),
    radial-gradient(circle at center, rgba(233,47,155,.32), transparent 34rem),
    linear-gradient(135deg, #111827, #2d1230);
  color: #fff;
}
.hero h1 { margin: 0 0 10px; font-size: clamp(32px, 4.8vw, 68px); letter-spacing: -.05em; }
.hero p { max-width: 940px; margin: 0; color: rgba(255,255,255,.84); line-height: 1.8; font-size: clamp(16px, 1.6vw, 22px); }
.shell { width: 100%; max-width: none; margin: 0; padding: 18px clamp(14px, 2vw, 34px) 70px; }
.ad { display: grid; place-items: center; border: 1px dashed var(--line); border-radius: 22px; background: var(--panel); color: var(--muted); margin: 14px 0 18px; min-height: 86px; overflow: hidden; }
.ad-box { min-height: 260px; }
.branch-panel, .section, .watch, .list-title {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.branch-panel { padding: 16px; margin: 16px 0 22px; }
.branch-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: thin; }
.branch-row:last-of-type { border-bottom: 0; }
.branch-row strong { min-width: 112px; color: var(--muted); }
.branch-tags .chip { padding: 9px 12px; }
.chip small, .tag small { opacity: .68; font-weight: 700; }
.filter-search { padding-top: 12px; }
.filter-search input {
  width: 100%;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--text);
  outline: none;
  font-size: 16px;
}
.section { padding: 22px; margin: 24px 0; }
.section-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.section-head h2, .watch h2, .list-title h2 { margin: 0; letter-spacing: -.02em; font-size: clamp(22px, 2.2vw, 34px); }
.section-tags { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(305px, 1fr)); gap: 20px; align-items: start; }
.video-card { background: var(--panel-strong); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; box-shadow: 0 12px 32px rgba(0,0,0,.07); transition: transform .18s ease, box-shadow .18s ease; }
.video-card:hover { transform: translateY(-5px); box-shadow: 0 22px 52px rgba(0,0,0,.14); }
.thumb { position: relative; display: block; aspect-ratio: 16 / 9; background: #121827; overflow: hidden; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .28s ease; }
.video-card:hover .thumb img { transform: scale(1.055); }
.poster-placeholder { display: grid; place-items: center; height: 100%; color: #fff; background: linear-gradient(135deg, #111827, #7c3aed); font-weight: 950; font-size: 26px; }
.play-badge { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 62px; height: 62px; display: grid; place-items: center; border-radius: 999px; background: rgba(0,0,0,.56); backdrop-filter: blur(10px); box-shadow: 0 10px 30px rgba(0,0,0,.28); }
.play-badge svg circle { fill: rgba(255,255,255,.96); }
.play-badge svg path { fill: #111827; }
.card-body { padding: 16px; }
.card-body h2 { font-size: 18px; line-height: 1.45; margin: 0 0 9px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 52px; }
.meta { color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.tags { display: flex; gap: 7px; flex-wrap: wrap; }
.tag { color: var(--muted); background: color-mix(in srgb, var(--panel) 76%, transparent); border: 1px solid var(--line); border-radius: 999px; padding: 6px 9px; font-size: 13px; }
.tag:hover { color: var(--text); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.pagination { display: flex; justify-content: center; align-items: center; gap: 9px; margin: 28px 0 8px; flex-wrap: wrap; }
.watch { padding: clamp(14px, 2.4vw, 34px); max-width: 1280px; margin: 0 auto; }
.iframe-wrap { position: relative; width: 100%; aspect-ratio: 16 / 9; border-radius: 24px; overflow: hidden; background: #000; margin-bottom: 22px; box-shadow: 0 18px 52px rgba(0,0,0,.2); }
.iframe-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.no-player { min-height: 340px; display: grid; place-items: center; text-align: center; padding: 24px; background: #0b0f19; color: #fff; }
.summary { color: var(--muted); line-height: 1.8; font-size: 16px; }
.list-title { padding: 18px 22px; margin-bottom: 18px; }
@media (min-width: 1680px) {
  .cards { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 22px; }
}
@media (max-width: 980px) {
  .topbar { align-items: flex-start; flex-wrap: wrap; }
  .main-nav { order: 3; width: 100%; flex-basis: 100%; }
  .tools { width: 100%; overflow-x: auto; }
  .branch-row { align-items: flex-start; }
  .branch-row strong { min-width: 96px; }
}
@media (max-width: 640px) {
  .shell { padding-left: 10px; padding-right: 10px; }
  .cards { grid-template-columns: 1fr; gap: 14px; }
  .section { padding: 14px; border-radius: 22px; }
  .card-body { padding: 13px; }
  .card-body h2 { font-size: 16px; min-height: 46px; }
  .branch-panel { border-radius: 22px; padding: 12px; }
  .chip, .lang, .page-btn { padding: 8px 11px; font-size: 12px; }
  .hero { min-height: 150px; padding: 30px 14px; }
}