:root {
  color-scheme: dark;
  --bg: #0b0b10;
  --card: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.14);
  --text: #f7f2ea;
  --muted: rgba(247, 242, 234, 0.66);
  --accent: #ff8a3d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 138, 61, 0.18), transparent 34rem),
    radial-gradient(circle at 80% 0%, rgba(120, 150, 255, 0.12), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.page {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0 28px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding: 28px 0 26px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 6vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.sub {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.count {
  color: var(--muted);
  font-size: 14px;
  padding: 10px 14px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  white-space: nowrap;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  overflow: hidden;
  border: 1px solid var(--card-border);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.045));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
  cursor: pointer;
  transform: translateY(0);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 138, 61, 0.42);
  background: linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.06));
}

.thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(255,138,61,0.30), rgba(70,90,160,0.22)),
    #171720;
  overflow: hidden;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.32));
}

.play span {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #1b120c;
  background: rgba(255, 242, 230, 0.92);
  font-size: 24px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.30);
}

.meta {
  padding: 16px 16px 15px;
}

.title {
  margin: 0;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 700;
}

.size {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.footer {
  display: flex;
  justify-content: center;
  padding: 34px 0 10px;
  color: rgba(247, 242, 234, 0.42);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.player[hidden] { display: none; }

.player {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
}

.player__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(12px);
}

.player__panel {
  position: relative;
  width: min(1120px, 100%);
  border-radius: 28px;
  overflow: hidden;
  background: #050507;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 30px 100px rgba(0,0,0,0.55);
}

.player__panel video {
  display: block;
  width: 100%;
  max-height: 76vh;
  background: #000;
}

.player__title {
  padding: 14px 18px 16px;
  color: var(--text);
  font-weight: 700;
}

.player__close {
  position: absolute;
  z-index: 2;
  top: 12px;
  right: 12px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(0,0,0,0.52);
  color: white;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 720px) {
  .page { width: min(100% - 28px, 1180px); padding-top: 28px; }
  .hero { align-items: flex-start; flex-direction: column; }
  .grid { grid-template-columns: 1fr; }
}