:root {
  --bg: #0c0e13;
  --bg-2: #141821;
  --bg-3: #1c2230;
  --ink: #f6f2ea;
  --muted: #c9c2b6;
  --faint: #9a9286;
  --line: rgba(246, 242, 234, 0.12);
  --accent: #ff4d6a;
  --accent-2: #8d7cff;
  --accent-ink: #1a0a10;
  --radius: 22px;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.38);
  --max: 1160px;
  --sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
  background:
    radial-gradient(880px 420px at 100% -8%, rgba(255, 77, 106, 0.16), transparent 62%),
    radial-gradient(720px 380px at -12% 8%, rgba(141, 124, 255, 0.16), transparent 58%),
    var(--bg);
}
img, svg { display: block; }
a { color: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.mast {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  width: min(var(--max), calc(100% - 40px));
  margin: 14px auto 0;
  padding: 12px 16px;
  background: rgba(16, 19, 27, 0.9);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: 0.04em; }
.brand svg { width: 28px; height: 28px; }
.mast nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-left: auto; }
.mast nav a { text-decoration: none; color: var(--muted); font-size: 14px; }
.mast nav a:hover { color: var(--ink); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 10px 24px rgba(255, 77, 106, 0.28);
  transition: transform 0.18s ease, background 0.18s ease;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-1px); background: #ff6780; }
.btn:active { transform: translateY(0); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14px; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: none;
  border: 1px solid var(--line);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.04); }
.hero { padding: 54px 0 28px; }
.hero-grid > *, .split > *, .cols > * { min-width: 0; }
.table-wrap { max-width: 100%; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  gap: 48px;
  align-items: center;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: #ffd0d8;
  font-size: 13px;
  letter-spacing: 0.14em;
}
.kicker i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: block;
}
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(36px, 4.6vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 760;
  max-width: 14em;
}
.hero-lead { margin: 0 0 18px; color: var(--muted); font-size: 18px; max-width: 38em; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; padding: 0; list-style: none; }
.pills li {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.win-note { margin: 12px 0 0; color: var(--faint); font-size: 13px; }
.subnav { display: flex; flex-wrap: wrap; gap: 14px 18px; margin-top: 18px; }
.subnav a { color: #d7ccff; font-size: 14px; }
.player {
  background: linear-gradient(180deg, #1a2030, #12151d);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.player-top { display: flex; justify-content: space-between; color: var(--faint); font-size: 12px; letter-spacing: 0.08em; }
.cover {
  margin: 14px 0;
  height: 210px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.16), transparent 42%),
    linear-gradient(145deg, #ff4d6a, #6d5cff 70%);
  position: relative;
  overflow: hidden;
}
.cover svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.track { margin: 0; font-size: 20px; font-weight: 700; }
.artist { margin: 4px 0 12px; color: var(--muted); }
.progress { height: 6px; border-radius: 99px; background: rgba(255,255,255,0.08); overflow: hidden; }
.progress span { display: block; width: 46%; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.controls { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; color: var(--muted); }
.controls b { color: var(--ink); font-size: 13px; font-weight: 600; }
.eq { display: flex; align-items: flex-end; gap: 4px; height: 22px; }
.eq i {
  display: block; width: 3px; border-radius: 3px; background: var(--accent);
  animation: bar 1.2s ease-in-out infinite alternate;
}
.eq i:nth-child(2) { animation-delay: 0.15s; height: 70%; }
.eq i:nth-child(1) { height: 40%; }
.eq i:nth-child(3) { height: 90%; animation-delay: 0.28s; }
.eq i:nth-child(4) { height: 55%; animation-delay: 0.08s; }
@keyframes bar { from { transform: scaleY(0.45); } to { transform: scaleY(1); } }
.caption { margin: 10px 2px 0; color: var(--faint); font-size: 12px; }
.block { padding: 34px 0; }
.block h2 {
  margin: 0 0 16px;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  max-width: 18em;
}
.prose { max-width: 74ch; }
.prose p, .split p, .note p, .qa p, .end-copy p { margin: 0 0 14px; }
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
  gap: 36px;
  align-items: start;
}
.sheet {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 8px;
}
.sheet h3 { margin: 0 0 8px; font-size: 15px; color: var(--muted); font-weight: 600; }
.sheet ol { list-style: none; margin: 0; padding: 0; }
.sheet li {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
}
.sheet li span { color: var(--faint); font-variant-numeric: tabular-nums; }
.cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 36px;
}
.note {
  margin-top: 8px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 77, 106, 0.06);
  border-radius: 0 16px 16px 0;
}
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { text-align: left; padding: 14px 16px; vertical-align: top; border-bottom: 1px solid var(--line); }
th { background: #1a2030; color: #ffe3e8; font-weight: 650; font-size: 14px; }
td { background: rgba(20, 24, 33, 0.65); color: var(--ink); }
tr:last-child td { border-bottom: 0; }
.band {
  margin: 10px 0;
  padding: 28px 0;
  background: linear-gradient(90deg, rgba(141, 124, 255, 0.08), rgba(255, 77, 106, 0.06));
  border-block: 1px solid var(--line);
}
.band .wrap { display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 24px; align-items: center; }
.qa { border-top: 1px solid var(--line); padding: 16px 0 6px; }
.qa summary { cursor: pointer; font-weight: 700; font-size: 18px; line-height: 1.5; }
.qa summary:hover { color: #ffd0d8; }
.qa p { color: var(--muted); max-width: 74ch; }
.end {
  margin: 20px 0 50px;
  padding: 32px;
  border-radius: 28px;
  background:
    radial-gradient(500px 180px at 100% 0%, rgba(255, 77, 106, 0.2), transparent 60%),
    var(--bg-3);
  border: 1px solid var(--line);
}
.foot {
  padding: 28px 0 40px;
  color: var(--faint);
  font-size: 13px;
  border-top: 1px solid var(--line);
}
.foot p { margin: 0 0 6px; }
@media (max-width: 1024px) {
  .hero-grid, .split, .cols, .band .wrap { grid-template-columns: 1fr; }
  .hero { padding-top: 32px; }
}
@media (max-width: 768px) {
  body { font-size: 16px; }
  .wrap { width: min(var(--max), calc(100% - 28px)); }
  .mast { width: min(var(--max), calc(100% - 28px)); border-radius: 20px; }
  .mast nav { margin-left: 0; width: 100%; }
  .hero h1 { font-size: 34px; }
  .end { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .eq i, .btn { animation: none; transition: none; }
}