:root {
  --bg: #070b12;
  --bg-soft: #0b111d;
  --panel: #101826;
  --panel-2: #121d2e;
  --ink: #f7f4ea;
  --text: #dbe4ef;
  --muted: #93a0b4;
  --faint: #64748b;
  --line: rgba(255, 255, 255, .12);
  --line-strong: rgba(244, 197, 66, .34);
  --accent: #f4c542;
  --accent-soft: rgba(244, 197, 66, .12);
  --radius: 26px;
  --shadow: 0 28px 90px rgba(0, 0, 0, .34);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 78% 4%, rgba(244, 197, 66, .16), transparent 28rem),
    radial-gradient(circle at 10% 16%, rgba(244, 197, 66, .10), transparent 24rem),
    linear-gradient(180deg, #070b12 0%, #0a101b 46%, #070b12 100%);
  color: var(--text);
  font-family: "Microsoft YaHei UI", "PingFang SC", "Segoe UI", Arial, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image:
    linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, black 0%, transparent 78%);
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.nav-shell {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(7, 11, 18, .78);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.nav { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; color: var(--ink); font-weight: 900; letter-spacing: -.03em; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; padding: 3px; border-radius: 14px; background: #fff; box-shadow: 0 16px 42px rgba(244, 197, 66, .20); overflow: hidden; flex: 0 0 auto; }
.brand-mark img { width: 100%; height: 100%; display: block; object-fit: cover; border-radius: 11px; }
.nav-links { display: flex; align-items: center; gap: 26px; color: var(--muted); font-size: 14px; font-weight: 800; white-space: nowrap; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-cta, .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--line); font-weight: 900; white-space: nowrap; transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease; }
.nav-cta, .btn.primary { color: #0a0d12; background: var(--accent); border-color: rgba(244, 197, 66, .86); box-shadow: 0 18px 52px rgba(244, 197, 66, .20); }
.btn.secondary { color: var(--ink); background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .16); }
.btn:hover, .nav-cta:hover { transform: translateY(-2px); }
.btn:active, .nav-cta:active { transform: translateY(0) scale(.99); }
.hero { position: relative; padding: 72px 0 48px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(390px, .98fr); gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--accent); font-size: 13px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; opacity: .72; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin: 18px 0 22px; color: var(--ink); font-size: clamp(42px, 7vw, 80px); line-height: .95; letter-spacing: -.08em; }
.hero-lead { max-width: 650px; color: var(--muted); font-size: 18px; line-height: 1.86; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-note { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; color: var(--faint); font-size: 13px; font-weight: 800; }
.hero-note span { padding: 8px 12px; border: 1px solid rgba(255, 255, 255, .09); border-radius: 999px; background: rgba(255, 255, 255, .04); }
.product-visual { position: relative; min-height: 500px; padding: 18px; border: 1px solid rgba(255, 255, 255, .14); border-radius: 34px; background: radial-gradient(circle at 75% 18%, rgba(244, 197, 66, .22), transparent 18rem), linear-gradient(145deg, rgba(255, 255, 255, .105), rgba(255, 255, 255, .035)); box-shadow: var(--shadow); overflow: hidden; }
.app-card { height: 100%; min-height: 462px; border-radius: 25px; border: 1px solid rgba(255, 255, 255, .12); background: rgba(9, 14, 24, .84); overflow: hidden; }
.app-topbar { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 18px 18px 0; color: var(--muted); font-size: 12px; font-weight: 800; }
.window-dots { display: inline-flex; gap: 7px; }
.window-dots i { width: 9px; height: 9px; border-radius: 999px; background: rgba(255, 255, 255, .24); }
.app-hero { padding: 26px 24px 12px; display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: end; }
.app-hero strong { display: block; color: var(--ink); font-size: 30px; line-height: 1.08; letter-spacing: -.05em; }
.app-hero span { display: block; margin-top: 10px; color: var(--muted); font-size: 13px; }
.publish-score { width: 94px; height: 94px; display: grid; place-items: center; border-radius: 28px; color: #0a0d12; background: radial-gradient(circle at 35% 25%, #fff2a4, transparent 36%), linear-gradient(145deg, #ffe17a, #d7a012); box-shadow: 0 22px 52px rgba(244, 197, 66, .20); font-weight: 950; font-size: 25px; }
.workflow-board { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 14px 18px 18px; }
.mini-panel { min-height: 126px; padding: 16px; border-radius: 20px; border: 1px solid rgba(255, 255, 255, .10); background: rgba(255, 255, 255, .055); }
.mini-panel.wide { grid-column: 1 / -1; }
.panel-title { display: flex; justify-content: space-between; gap: 12px; color: var(--ink); font-size: 14px; font-weight: 900; }
.tag { color: var(--accent); font-size: 12px; font-weight: 900; }
.rows { display: grid; gap: 10px; margin-top: 15px; }
.row-line { height: 10px; border-radius: 999px; background: rgba(255, 255, 255, .12); overflow: hidden; }
.row-line span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), rgba(244, 197, 66, .28)); }
.flow-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.flow-item { padding: 13px 12px; border-radius: 16px; background: rgba(244, 197, 66, .10); color: var(--ink); font-size: 13px; font-weight: 900; text-align: center; }
.section { padding: 66px 0; }
.section.tight { padding: 34px 0 66px; }
.page-head { padding: 70px 0 32px; }
.page-head h1 { max-width: 900px; }
.page-head p { max-width: 720px; color: var(--muted); font-size: 18px; line-height: 1.84; }
.section-title { max-width: 760px; margin-bottom: 34px; }
.section-title h2 { margin: 0 0 14px; color: var(--ink); font-size: clamp(32px, 4.8vw, 56px); line-height: 1.04; letter-spacing: -.065em; }
.section-title p { max-width: 660px; color: var(--muted); font-size: 17px; line-height: 1.82; }
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.module-card { position: relative; min-height: 260px; padding: 26px; border-radius: var(--radius); border: 1px solid rgba(255, 255, 255, .11); background: radial-gradient(circle at 82% 10%, rgba(244, 197, 66, .11), transparent 15rem), linear-gradient(145deg, rgba(255, 255, 255, .078), rgba(255, 255, 255, .035)); overflow: hidden; }
.module-card.large { grid-column: span 2; }
.module-card h3 { margin: 0 0 12px; color: var(--ink); font-size: 25px; line-height: 1.14; letter-spacing: -.045em; }
.module-card p { color: var(--muted); line-height: 1.8; }
.module-card .link { display: inline-flex; margin-top: 18px; color: var(--accent); font-weight: 900; }
.feature-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.feature-pills span { padding: 9px 12px; border-radius: 999px; color: var(--ink); background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .10); font-size: 13px; font-weight: 800; }
.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.check-item { padding: 22px; border-radius: 22px; border: 1px solid rgba(255, 255, 255, .10); background: rgba(255, 255, 255, .045); }
.check-item h3 { margin: 0 0 8px; color: var(--ink); font-size: 19px; }
.check-item p { margin: 0; color: var(--muted); line-height: 1.76; }
.steps { display: grid; gap: 16px; }
.step-row { display: grid; grid-template-columns: 92px 1fr 220px; gap: 20px; align-items: center; min-height: 154px; padding: 24px; border-radius: var(--radius); border: 1px solid rgba(255, 255, 255, .11); background: linear-gradient(145deg, rgba(255, 255, 255, .078), rgba(255, 255, 255, .035)); }
.step-num { display: inline-grid; place-items: center; width: 58px; height: 58px; border-radius: 18px; color: #0a0d12; background: var(--accent); font-weight: 950; box-shadow: 0 18px 42px rgba(244, 197, 66, .16); }
.step-row h3 { margin: 0 0 8px; color: var(--ink); font-size: 26px; letter-spacing: -.045em; }
.step-row p { margin: 0; color: var(--muted); line-height: 1.78; }
.step-side { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.step-side span { padding: 8px 10px; border-radius: 999px; background: rgba(244, 197, 66, .10); color: var(--ink); border: 1px solid rgba(244, 197, 66, .18); font-size: 12px; font-weight: 900; }
.cta { position: relative; overflow: hidden; padding: 40px; border-radius: 34px; border: 1px solid var(--line-strong); background: radial-gradient(circle at 86% 18%, rgba(244, 197, 66, .24), transparent 18rem), linear-gradient(145deg, rgba(244, 197, 66, .14), rgba(255, 255, 255, .05)); box-shadow: var(--shadow); }
.cta h2 { max-width: 780px; margin: 0 0 14px; color: var(--ink); font-size: clamp(34px, 5vw, 60px); line-height: 1.04; letter-spacing: -.07em; }
.cta p { max-width: 690px; color: var(--muted); font-size: 17px; line-height: 1.82; }
.download-layout { display: grid; grid-template-columns: 1.04fr .96fr; gap: 18px; align-items: stretch; }
.download-card, .release-panel { padding: 34px; border-radius: 30px; border: 1px solid rgba(255, 255, 255, .12); background: linear-gradient(145deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .035)); box-shadow: var(--shadow); }
.download-card h1 { font-size: clamp(40px, 6.8vw, 72px); }
.release-list { display: grid; gap: 12px; margin-top: 22px; }
.release-item { padding: 18px; border-radius: 20px; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.09); }
.release-item strong { display:block; color: var(--ink); margin-bottom: 6px; font-size: 18px; }
.release-item span { color: var(--muted); }
.notice { margin-top: 22px; padding: 16px 18px; border-radius: 18px; color: var(--text); background: rgba(244, 197, 66, .10); border: 1px solid rgba(244, 197, 66, .22); font-weight: 800; }
.footer { display: flex; justify-content: space-between; gap: 20px; padding: 34px 0 44px; color: var(--faint); border-top: 1px solid rgba(255, 255, 255, .08); font-size: 14px; flex-wrap: wrap; }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .nav-cta { transition: none; }
}
@media (max-width: 980px) {
  .hero-grid, .download-layout { grid-template-columns: 1fr; }
  .product-visual { min-height: auto; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .module-card.large { grid-column: span 1; }
  .step-row { grid-template-columns: 72px 1fr; }
  .step-side { grid-column: 2; justify-content: flex-start; }
  .nav-links { display: none; }
}
@media (max-width: 680px) {
  .wrap { width: min(100% - 28px, 1160px); }
  .nav { height: 66px; }
  .brand span { font-size: 15px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 13px; }
  .nav-cta { min-height: 40px; padding: 0 13px; font-size: 13px; }
  .hero, .page-head { padding: 46px 0 30px; }
  h1 { font-size: clamp(42px, 14vw, 58px); }
  .hero-lead, .section-title p, .cta p, .page-head p { font-size: 16px; }
  .actions { display: grid; }
  .btn { width: 100%; }
  .workflow-board, .flow-list, .module-grid, .check-grid { grid-template-columns: 1fr; }
  .app-hero { grid-template-columns: 1fr; }
  .publish-score { width: 100%; height: 78px; }
  .section { padding: 48px 0; }
  .module-card, .cta, .download-card, .release-panel { padding: 22px; border-radius: 22px; }
  .step-row { grid-template-columns: 1fr; padding: 22px; }
  .step-side { grid-column: auto; }
}