:root {
  --bg: #0d1534;
  --bg-2: #141c43;
  --panel: rgba(15, 21, 50, 0.86);
  --panel-2: rgba(19, 27, 62, 0.96);
  --text: #f7f4ff;
  --muted: rgba(247, 244, 255, 0.72);
  --pink: #ff82a6;
  --purple: #7d67ff;
  --blue: #57c8ff;
  --orange: #ffb54a;
  --mint: #49ddc2;
  --line: rgba(255,255,255,.12);
  --radius: 28px;
  --shadow: 0 22px 60px rgba(0,0,0,.24);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255,130,166,.24), transparent 30%),
    radial-gradient(circle at top right, rgba(125,103,255,.20), transparent 26%),
    linear-gradient(180deg, #091024 0%, #11183b 52%, #0f1531 100%);
  min-height: 100vh;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: .3;
  mask-image: radial-gradient(circle at center, black 42%, transparent 100%);
  pointer-events: none;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; position: relative; z-index: 1; }
.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(20px);
  background: rgba(10, 14, 34, .66);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner { min-height: 84px; display: flex; align-items: center; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand img { width: 54px; height: 54px; border-radius: 18px; box-shadow: 0 14px 28px rgba(0,0,0,.26); }
.brand strong { display: block; line-height: 1.1; font-size: 1.05rem; }
.brand small { display: block; color: var(--muted); margin-top: 2px; }
.site-nav { margin-left: auto; display: flex; gap: 10px; align-items: center; overflow-x: auto; scrollbar-width: none; }
.site-nav::-webkit-scrollbar { display: none; }
.nav-link {
  padding: 10px 14px; border-radius: 999px; white-space: nowrap;
  background: rgba(255,255,255,.05);
  color: rgba(247,244,255,.84);
  border: 1px solid transparent;
}
.nav-link:hover, .nav-link.is-active {
  background: linear-gradient(135deg, rgba(255,130,166,.24), rgba(125,103,255,.22));
  border-color: rgba(255,255,255,.14);
  color: #fff;
  transform: translateY(-1px);
}
.nav-toggle { display: none; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.06); color: var(--text); border-radius: 14px; padding: 10px 14px; }
.header-cta { flex: none; }
.site-main { padding: 28px 0 56px; }
.breadcrumbs { display: flex; gap: 8px; flex-wrap: wrap; color: rgba(247,244,255,.72); margin: 10px 0 20px; }
.breadcrumbs a { color: rgba(255,255,255,.92); }
.sep { opacity: .45; }
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 28px;
  padding: 38px;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(25,31,80,.92), rgba(16,20,50,.72));
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: var(--shadow);
}
.hero h1 { margin: 0; line-height: 1.06; font-size: clamp(2.3rem, 5vw, 4.4rem); }
.hero-lead { color: var(--muted); font-size: 1.05rem; line-height: 1.9; margin: 18px 0 0; max-width: 62ch; }
.eyebrow { display: inline-flex; letter-spacing: .18em; text-transform: uppercase; color: var(--orange); margin: 0 0 14px; font-size: .78rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: 14px 20px;
  border: 1px solid transparent; font-weight: 700; transition: .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--pink), var(--purple)); color: #fff; box-shadow: 0 16px 28px rgba(125,103,255,.28); }
.btn-secondary { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); color: #fff; }
.hero-stats { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; margin-top: 28px; }
.stat, .info-card, .quote-card, .link-card, .faq-item, .timeline-card, .content-card, .stat-card {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.stat { padding: 16px; }
.stat strong { display: block; font-size: 1.1rem; margin-bottom: 6px; }
.stat span { color: var(--muted); font-size: .92rem; }
.hero-aside { display: grid; gap: 14px; }
.hero-panel { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); border-radius: 28px; padding: 20px; }
.hero-panel h3 { margin: 0 0 10px; }
.hero-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.hero-list li { display: flex; gap: 10px; color: var(--muted); line-height: 1.7; }
.hero-list span { color: var(--orange); font-weight: 800; flex: none; }
.section { margin-top: 28px; }
.section-head { max-width: 760px; margin-bottom: 18px; }
.section-head h2 { margin: 0 0 10px; line-height: 1.08; font-size: clamp(1.6rem, 3vw, 2.7rem); }
.section-head p { margin: 0; color: var(--muted); line-height: 1.8; }
.feature-grid, .link-grid, .review-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0,1fr)); }
.feature-grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.info-card, .quote-card, .link-card, .timeline-card, .content-card, .stat-card { padding: 22px; }
.card-badge { display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 999px; background: linear-gradient(135deg, rgba(255,130,166,.2), rgba(125,103,255,.18)); color: #fff3d8; font-size: .82rem; margin-bottom: 16px; }
.info-card h3, .quote-card h3, .timeline-card h3, .content-card h3 { margin: 0 0 10px; }
.info-card p, .quote-card p, .timeline-card p, .content-card p { margin: 0; color: var(--muted); line-height: 1.8; }
.preview-strip { display: grid; grid-template-columns: 1.08fr .92fr; gap: 18px; }
.preview-gallery { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.shot { padding: 14px; border-radius: 24px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); }
.shot img { width: 100%; border-radius: 20px; }
.shot figcaption { margin-top: 10px; color: var(--muted); font-size: .94rem; }
.link-card { display: grid; gap: 8px; transition: .2s ease; }
.link-card:hover { transform: translateY(-2px); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); }
.link-card strong { font-size: 1.02rem; }
.link-card span { color: var(--muted); line-height: 1.7; }
.quote-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.avatar { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--pink), var(--orange)); color: #fff; font-weight: 800; }
.quote-top h3 { margin: 0; }
.quote-top p, .footer-copy { margin: 0; color: var(--muted); }
.quote-text { line-height: 1.85; font-size: 1rem; }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 22px; font-weight: 700; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { border-bottom: 1px solid rgba(255,255,255,.1); }
.faq-body { padding: 0 22px 18px; color: var(--muted); line-height: 1.85; }
.article {
  background: var(--panel-2);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 32px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.article p, .article li { color: var(--muted); line-height: 1.9; }
.article h2 { margin-top: 28px; margin-bottom: 12px; }
.article h3 { margin-top: 18px; margin-bottom: 10px; }
.meta-list { margin: 0; padding-left: 20px; display: grid; gap: 10px; color: var(--muted); line-height: 1.8; }
.step-list { display: grid; gap: 14px; counter-reset: step; margin: 18px 0 0; padding: 0; list-style: none; }
.step-list li {
  position: relative;
  padding: 18px 18px 18px 70px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 22px;
  line-height: 1.8;
}
.step-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 18px; top: 18px; width: 36px; height: 36px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--pink), var(--purple)); color: #fff; font-weight: 800;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag { padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.09); color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .9fr; gap: 20px; padding: 36px 0 20px; }
.site-footer { background: rgba(8,11,28,.88); border-top: 1px solid rgba(255,255,255,.08); }
.footer-brand { margin-bottom: 14px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding: 18px 0 26px; color: rgba(247,244,255,.64); border-top: 1px solid rgba(255,255,255,.08); font-size: .94rem; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.timeline { display: grid; gap: 16px; }
.timeline-item { display: grid; grid-template-columns: 132px 1fr; gap: 14px; align-items: start; }
.timeline-date { padding-top: 10px; color: var(--orange); font-weight: 800; }
@media (max-width: 1100px) {
  .hero, .preview-strip, .footer-grid { grid-template-columns: 1fr; }
  .feature-grid.four, .feature-grid, .link-grid, .review-grid, .preview-gallery, .hero-stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .container { width: min(100% - 18px, 1180px); }
  .header-inner { flex-wrap: wrap; padding: 12px 0; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .site-nav { display: none; width: 100%; order: 4; margin-left: 0; padding-top: 8px; flex-wrap: wrap; overflow: visible; }
  .site-nav.is-open { display: flex; }
  .header-cta { display: none; }
  .hero { padding: 22px; }
  .hero h1 { font-size: clamp(2rem, 9vw, 3rem); }
  .feature-grid, .link-grid, .review-grid, .preview-gallery, .hero-stats { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}