:root {
  --bg: #0e1016;
  --bg-raise: #171b24;
  --bg-band: #12151d;
  --bg-sunken: #090b10;
  --accent: #e4ff4d;
  --accent-2: #ff6b93;
  --text: #f6f3ec;
  --muted: #c8c4d4;
  --line: rgba(246, 243, 236, 0.14);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.38);
  --radius: 26px;
  --max: 1160px;
  --header: 74px;
  --serif: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
p { margin: 0 0 1rem; }
h1, h2, h3 { line-height: 1.25; font-weight: 720; letter-spacing: -0.03em; margin: 0 0 0.8rem; }
h1 { font-size: clamp(2.3rem, 4.6vw, 4.35rem); }
h2 { font-size: clamp(1.55rem, 2.4vw, 2.15rem); }
h3 { font-size: 1.08rem; letter-spacing: 0; font-weight: 680; }

.skip {
  position: absolute;
  left: 16px;
  top: -40px;
  background: var(--accent);
  color: #14160c;
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header);
  padding: 12px 6vw;
  background: rgba(14, 16, 22, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 740;
  letter-spacing: 0.01em;
}
.brand svg { width: 34px; height: 34px; flex: none; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
}
.nav a:hover { color: var(--text); }
.head-dl { padding: 8px 14px; font-size: 0.88rem; }

.hero {
  position: relative;
  padding: 54px 6vw 72px;
  background:
    radial-gradient(820px 420px at 88% 8%, rgba(255, 107, 147, 0.2), transparent 62%),
    radial-gradient(640px 360px at 8% 90%, rgba(228, 255, 77, 0.1), transparent 60%),
    var(--bg);
  overflow: clip;
}
.hero-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.lead { color: var(--muted); font-size: 1.06rem; max-width: 40rem; }
.points { list-style: none; padding: 0; margin: 18px 0 22px; display: grid; gap: 10px; }
.points li { display: flex; gap: 10px; align-items: flex-start; color: var(--text); }
.points svg { width: 18px; height: 18px; margin-top: 6px; flex: none; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px 18px; align-items: center; }
.fine { color: var(--muted); font-size: 0.92rem; margin-top: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #17190d;
  text-decoration: none;
  font-weight: 760;
  border-radius: 999px;
  padding: 14px 22px;
  border: 0;
  box-shadow: 0 10px 30px rgba(228, 255, 77, 0.18);
  transition: transform 0.18s ease, background 0.18s ease;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); background: #f3ff9a; }
.btn:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  box-shadow: none;
  border: 1px solid var(--line);
}
.btn-ghost:hover { background: rgba(255,255,255,0.04); }
.textlink { color: var(--accent-2); font-weight: 680; }

.player {
  background: linear-gradient(180deg, #222838, #141822);
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.player-top, .controls, .player-meta { display: flex; align-items: center; }
.player-top { justify-content: space-between; color: var(--muted); font-size: 0.82rem; margin-bottom: 14px; }
.dots { display: flex; gap: 6px; }
.dots i { width: 8px; height: 8px; border-radius: 50%; background: #3a4154; display: block; }
.dots i:first-child { background: var(--accent-2); }
.cover {
  height: 210px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 50%, #2a3144 0 58px, transparent 60px),
    linear-gradient(145deg, #ff6b93, #6d5cff 55%, #e4ff4d);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.cover svg { width: 92px; height: 92px; }
.track { font-size: 1.2rem; font-weight: 720; margin: 0; }
.artist { color: var(--muted); margin: 4px 0 14px; }
.progress { height: 6px; background: #2c3344; border-radius: 99px; overflow: hidden; }
.progress span { display: block; width: 46%; height: 100%; background: linear-gradient(90deg, var(--accent-2), var(--accent)); }
.controls { justify-content: space-between; margin-top: 14px; color: var(--muted); }
.play {
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent); color: #17190d;
}
.play svg, .controls svg { width: 22px; height: 22px; }
.eq { display: flex; align-items: flex-end; gap: 4px; height: 28px; }
.eq span {
  width: 4px; height: 100%; border-radius: 4px; background: var(--accent);
  transform-origin: bottom;
  animation: eq 1.15s ease-in-out infinite;
}
.eq span:nth-child(2) { animation-delay: 0.12s; }
.eq span:nth-child(3) { animation-delay: 0.28s; }
.eq span:nth-child(4) { animation-delay: 0.05s; }
.eq span:nth-child(5) { animation-delay: 0.2s; }
@keyframes eq {
  0%, 100% { transform: scaleY(0.28); }
  50% { transform: scaleY(1); }
}

main { display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 72px 6vw; }
.band { background: var(--bg-band); }
.sunken { background: var(--bg-sunken); }
.kicker { color: var(--accent); font-size: 0.8rem; letter-spacing: 0.16em; margin-bottom: 8px; }
.prose { max-width: 68ch; }
.prose.wide { max-width: 78ch; }
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 42px;
  align-items: start;
}
.panel {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 8px;
}
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.timeline time { color: var(--accent-2); font-weight: 720; }
.quote {
  margin: 0;
  padding: 8px 0 8px 18px;
  border-left: 3px solid var(--accent);
  font-size: 1.35rem;
  line-height: 1.45;
  letter-spacing: -0.03em;
}
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.duo article {
  padding: 22px;
  border-radius: 22px;
  background: #141822;
  border: 1px solid var(--line);
}
.duo article:last-child { background: #241821; }
.flow { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 8px; }
.flow span {
  border: 1px dashed rgba(228, 255, 77, 0.45);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--accent);
  font-size: 0.92rem;
}
.lyric-demo { display: grid; gap: 8px; padding: 8px 0 12px; }
.lyric-demo p { margin: 0; color: #8d879c; }
.lyric-demo .now { color: var(--text); font-size: 1.35rem; font-weight: 720; }
.mini-play {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border-radius: 18px;
  background: #10131b;
  border: 1px solid var(--line);
  margin-bottom: 16px;
}
.mini-play strong { display: block; }
.mini-play em { color: var(--muted); font-style: normal; font-size: 0.92rem; }
.dl-panel {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 24px;
  align-items: center;
  padding: 28px;
  border-radius: 28px;
  background:
    linear-gradient(120deg, rgba(228,255,77,0.14), transparent 42%),
    #171b24;
  border: 1px solid var(--line);
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--accent); font-weight: 680; font-size: 0.92rem; }
.faq { display: grid; gap: 18px; }
.faq article {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.faq p { color: var(--muted); max-width: 72ch; }
.close {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 28px;
  align-items: end;
}
.close h2 { font-size: clamp(2rem, 4vw, 3.2rem); }

.site-foot {
  padding: 28px 6vw 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  background: #090b10;
}
.site-foot p { margin: 0 0 6px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--accent); color: #17190d; }

@media (max-width: 1024px) {
  .hero-grid, .split, .duo, .dl-panel, .close { grid-template-columns: 1fr; }
  .player { max-width: 460px; }
}
@media (max-width: 768px) {
  .site-header { flex-wrap: wrap; padding: 12px 18px; }
  .nav { order: 3; width: 100%; gap: 14px 16px; padding-bottom: 4px; flex-wrap: wrap; }
  .nav a { flex: 0 0 auto; white-space: nowrap; }
  .wrap { padding: 48px 18px; }
  .hero { padding: 28px 18px 48px; }
  .timeline li { grid-template-columns: 72px 1fr; }
  h1 { font-size: clamp(1.85rem, 9vw, 2.5rem); }
}
@media (max-width: 390px) {
  .hero .btn, .dl-panel .btn, .close .btn { width: 100%; }
  .head-dl { width: auto; }
  .hero-actions { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}