:root {
  --bg: #0c0e12;
  --bg-2: #14171e;
  --bg-3: #1c2029;
  --ink: #f6f3ec;
  --muted: #c9c2b6;
  --dim: #9c9588;
  --line: rgba(246, 243, 236, 0.14);
  --accent: #ff6a3a;
  --accent-2: #ffc15a;
  --accent-ink: #2a120c;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.38);
  --radius: 28px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: Consolas, "Cascadia Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(900px 480px at 88% -10%, rgba(255, 106, 58, 0.18), transparent 60%),
    radial-gradient(700px 420px at -10% 20%, rgba(255, 193, 90, 0.08), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: clip;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
p { margin: 0 0 0.95em; }
h1, h2, h3 { line-height: 1.22; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
.skip {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.skip:focus {
  position: fixed;
  top: 12px;
  left: 12px;
  width: auto;
  height: auto;
  margin: 0;
  padding: 8px 12px;
  overflow: visible;
  clip: auto;
  background: var(--accent-2);
  color: var(--accent-ink);
  z-index: 50;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 72px;
  padding: 10px 28px;
  background: #0c0e12;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex: 0 0 auto;
}
.brand svg { width: 32px; height: 32px; }
.menu {
  display: flex;
  gap: 18px;
  flex: 1;
  min-width: 0;
}
.menu a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}
.menu a:hover { color: var(--ink); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 0;
  background: linear-gradient(180deg, #ff8d62, #ff5726);
  color: var(--accent-ink);
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(255, 87, 38, 0.28);
  cursor: pointer;
  transition: transform 0.18s ease, filter 0.18s ease;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); filter: brightness(1.06); }
.btn:active { transform: translateY(0); }
.btn-small { min-height: 40px; padding: 0 14px; font-size: 14px; box-shadow: none; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: none;
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--accent-2); filter: none; }
.btn:focus-visible, .menu a:focus-visible, .brand:focus-visible, .quiet:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 56px;
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 54px 0 72px;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.kicker i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: block;
}
.hero h1 {
  font-size: clamp(36px, 4.6vw, 64px);
  max-width: 11em;
  font-weight: 700;
}
.lede {
  margin-top: 18px;
  max-width: 38em;
  color: var(--muted);
  font-size: 18px;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  align-items: center;
  margin-top: 22px;
}
.sysnote {
  flex: 1 0 100%;
  color: var(--dim);
  font-size: 13px;
}
.quiet {
  color: var(--ink);
  text-underline-offset: 4px;
}
.points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.points li {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.points strong { display: block; font-size: 15px; }
.points span { display: block; color: var(--muted); font-size: 13px; line-height: 1.55; margin-top: 4px; }

.player {
  background: linear-gradient(180deg, #232833, #171b22);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.player-top {
  display: flex;
  justify-content: space-between;
  color: var(--dim);
  font-size: 12px;
  font-family: var(--mono);
  letter-spacing: 0.08em;
}
.disc-wrap { display: grid; place-items: center; padding: 18px 0 8px; }
.disc {
  width: 188px;
  height: 188px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, #14171c 0 16%, #2b241c 17% 22%, transparent 23%),
    conic-gradient(from 30deg, #3a2b24, #ffb48a, #241c18, #f0d7c2, #ff6a3a, #3a2b24);
  box-shadow: inset 0 0 0 12px rgba(0, 0, 0, 0.35), 0 18px 40px rgba(0, 0, 0, 0.35);
  animation: spin 22s linear infinite;
}
.track-name { font-size: 22px; font-weight: 700; margin-top: 8px; }
.track-sub { color: var(--muted); font-size: 14px; }
.progress { margin: 16px 0 8px; }
.progress i {
  display: block;
  height: 4px;
  border-radius: 99px;
  background: #343846;
  position: relative;
}
.progress i::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 62%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.times { display: flex; justify-content: space-between; color: var(--dim); font-family: var(--mono); font-size: 12px; }
.wave { width: 100%; height: 42px; margin-top: 8px; }
.controls {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 8px;
}
.controls span {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
}
.controls span.play {
  width: 54px;
  height: 54px;
  background: var(--ink);
  color: #14171c;
  border: 0;
}
.controls svg { width: 16px; height: 16px; }

.wrap { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.band { padding: 78px 0; }
.band-alt { background: rgba(255, 255, 255, 0.02); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band h2 { font-size: clamp(28px, 3vw, 40px); max-width: 16em; margin-bottom: 22px; }
.prose { max-width: 68ch; }
.prose p:last-child { margin-bottom: 0; }
.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.statement {
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.35;
  color: var(--ink);
  margin: 0;
  padding-left: 18px;
  border-left: 3px solid var(--accent);
}

.timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.timeline li { padding: 20px 18px 0 0; border-right: 1px solid var(--line); }
.timeline li:last-child { border-right: 0; }
.when {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent-2);
  letter-spacing: 0.08em;
}
.timeline h3 { margin: 8px 0; font-size: 18px; }
.timeline p { color: var(--muted); font-size: 15px; margin: 0; }
.after-list { margin-top: 28px; }

.steps { list-style: none; margin: 8px 0 0; padding: 0; counter-reset: step; }
.steps li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  color: var(--accent);
  font-size: 18px;
}
.steps strong { display: block; }
.steps p { margin: 4px 0 0; color: var(--muted); }

.table-wrap { margin-top: 8px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; vertical-align: top; padding: 14px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--accent-2); font-weight: 650; font-size: 14px; }
td { color: var(--muted); }
td:first-child, th:first-child { color: var(--ink); }

.callout {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 28px;
  background: #221910;
  border-radius: 18px;
  border: 1px solid rgba(255, 193, 90, 0.25);
}
.callout b { color: var(--accent-2); font-size: 14px; letter-spacing: 0.08em; }
.callout p { margin: 0; }
.callout p.follow { margin-top: 12px; }

.faq { display: flex; flex-direction: column; }
.faq article { padding: 22px 0; border-top: 1px solid var(--line); }
.faq h3 { font-size: 20px; margin-bottom: 10px; }
.faq p { color: var(--muted); max-width: 72ch; }

.cta-band {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 28px;
  align-items: center;
  padding: 36px;
  border-radius: 24px;
  background:
    radial-gradient(500px 180px at 100% 0%, rgba(255, 193, 90, 0.18), transparent 50%),
    #1a140f;
  border: 1px solid rgba(255, 106, 58, 0.35);
}
.cta-band h2 { margin-bottom: 10px; }
.cta-band p { color: var(--muted); max-width: 62ch; }
.win-tag {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--accent-2);
  font-size: 12px;
  letter-spacing: 0.12em;
  font-family: var(--mono);
}

.foot {
  padding: 36px 28px 48px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 13px;
  line-height: 1.7;
}
.foot p { margin: 0 auto 6px; width: min(1180px, 100%); }

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1024px) {
  .hero, .split, .cta-band, .callout { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .timeline li { border-bottom: 1px solid var(--line); padding-bottom: 16px; }
  .player { max-width: 460px; }
}
@media (max-width: 768px) {
  .topbar { flex-wrap: wrap; padding: 12px 16px; }
  .menu { order: 3; width: 100%; overflow-x: auto; padding-bottom: 4px; }
  .hero, .wrap { width: calc(100% - 32px); }
  .points, .timeline { grid-template-columns: 1fr; }
  .hero { padding-top: 28px; }
  .hero h1 { font-size: 34px; }
  .band { padding: 52px 0; }
  .btn { width: 100%; }
  .btn-small { width: auto; }
  .actions .btn { width: auto; }
  table, thead, tbody, tr, th, td { display: block; }
  thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  td { border-bottom: 0; padding: 6px 0; }
  tr { border-bottom: 1px solid var(--line); padding: 10px 0; }
  td::before {
    content: attr(data-label);
    display: block;
    color: var(--accent-2);
    font-size: 12px;
  }
}
@media (max-width: 390px) {
  .hero h1 { font-size: 30px; }
  .lede { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .disc, .btn { animation: none; transition: none; }
}