:root {
  --ink: #242321;
  --muted: #726c65;
  --paper: #fff8ec;
  --cream: #fff1d8;
  --orange: #f36b3b;
  --orange-dark: #c74b25;
  --lime: #b8d66b;
  --line: #e9d8bf;
  --shadow: 0 18px 44px rgba(65, 43, 23, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.topline { height: 5px; background: linear-gradient(90deg, var(--orange), #f4b83f 55%, var(--lime)); }
.site-header {
  position: sticky; top: 0; z-index: 20; background: rgba(255, 248, 236, .94);
  backdrop-filter: blur(14px); border-bottom: 1px solid rgba(233,216,191,.78);
}
.nav { min-height: 76px; display:flex; align-items:center; justify-content:space-between; gap: 28px; }
.brand { display:flex; align-items:center; gap:11px; font-weight: 800; letter-spacing: .04em; }
.brand img { width: 42px; height: 42px; border-radius: 12px; }
.brand-name { font-size: 18px; }
.nav-links { display:flex; align-items:center; gap: 5px; }
.nav-links a { padding: 9px 13px; color: var(--muted); font-size: 14px; border-radius: 10px; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); background: var(--cream); }
.nav-download { background: var(--ink) !important; color: #fff8ec !important; padding: 10px 18px !important; }
.hero { padding: 86px 0 66px; overflow:hidden; }
.hero-grid { display:grid; grid-template-columns: 1.15fr .85fr; gap: 68px; align-items:center; }
.eyebrow { display:inline-flex; align-items:center; gap: 8px; color: var(--orange-dark); font-weight: 800; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content:""; width: 28px; height: 3px; border-radius: 3px; background: var(--orange); }
h1, h2, h3 { line-height: 1.22; margin: 0; letter-spacing: -.025em; }
h1 { font-size: clamp(42px, 6vw, 76px); max-width: 650px; margin-top: 18px; }
.hero-copy { font-size: 18px; color: var(--muted); max-width: 620px; margin: 24px 0 30px; }
.actions { display:flex; flex-wrap:wrap; align-items:center; gap: 12px; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap: 9px; min-height: 48px; padding: 0 22px; border-radius: 12px; border: 1px solid transparent; font-weight: 800; font-size: 15px; cursor:pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 9px 20px rgba(65,43,23,.14); }
.btn-primary { color:#fff; background: var(--orange); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.microcopy { color: var(--muted); font-size: 12px; margin-top: 14px; }
.hero-art { position:relative; min-height: 390px; display:grid; place-items:center; }
.orb { position:absolute; width: 330px; height:330px; border-radius: 50%; background: var(--cream); right: 6%; top: 4%; }
.phone { position:relative; width: 240px; padding: 10px; border: 8px solid var(--ink); border-radius: 31px; background: #1f1f1f; transform: rotate(5deg); box-shadow: var(--shadow); }
.phone-screen { border-radius: 21px; overflow:hidden; background:#fff; }
.phone-top { height: 26px; background: var(--ink); }
.phone-cover { height: 170px; background: linear-gradient(160deg,#fbac4a,#ed613a 55%,#673e38); padding: 20px; color:#fff; display:flex; align-items:flex-end; }
.phone-cover strong { font-size: 23px; line-height: 1.1; }
.phone-list { padding: 14px; background:#fff8ec; }
.phone-item { display:flex; gap: 10px; align-items:center; padding: 9px 0; border-bottom:1px solid #f1e6d6; }
.phone-thumb { width: 38px; height: 46px; border-radius: 7px; background: #f3b35f; }
.phone-item:nth-child(2) .phone-thumb { background:#b8d66b; }
.phone-item:nth-child(3) .phone-thumb { background:#dba0bc; }
.phone-item span { font-size: 11px; color: var(--muted); }
.float-note { position:absolute; right: 1%; bottom: 18%; padding: 14px 17px; background:#fff; border:1px solid var(--line); border-radius: 13px; box-shadow: var(--shadow); font-size: 13px; }
.float-note b { display:block; font-size: 20px; }
.section { padding: 80px 0; }
.section.alt { background:#f8ead4; }
.section-head { display:flex; justify-content:space-between; align-items:end; gap: 20px; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); }
.section-head p { max-width: 500px; color:var(--muted); margin:0; }
.feature-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { padding: 24px; background:#fffdf8; border:1px solid var(--line); border-radius: 16px; min-height: 205px; }
.feature .symbol { width: 38px; height: 38px; display:grid; place-items:center; border-radius: 11px; background: var(--cream); color: var(--orange-dark); font-weight: 900; margin-bottom: 18px; }
.feature h3 { font-size: 20px; margin-bottom: 10px; }
.feature p { color: var(--muted); margin:0; font-size: 14px; }
.stat-row { display:grid; grid-template-columns: repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius: 16px; overflow:hidden; }
.stat { padding: 22px; background:#fffdf8; }
.stat b { display:block; font-size: 28px; color: var(--orange-dark); }
.stat span { color:var(--muted); font-size: 13px; }
.gallery { display:grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 14px; align-items:stretch; }
.shot { padding: 8px; background:#fffdf8; border:1px solid var(--line); border-radius: 15px; }
.shot:first-child { grid-row:span 2; }
.shot img { width:100%; max-width:400px; margin:0 auto; aspect-ratio: 1/1; object-fit:cover; border-radius: 10px; }
.shot:first-child img { aspect-ratio: 3/4; }
.shot figcaption { padding: 11px 6px 4px; font-size: 13px; color:var(--muted); }
.link-band { display:grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.link-card { display:flex; align-items:center; justify-content:space-between; gap: 18px; padding: 22px 24px; border:1px solid var(--line); border-radius: 15px; background:#fffdf8; }
.link-card h3 { font-size: 19px; }
.link-card p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.arrow { font-size: 24px; color:var(--orange-dark); }
.quote-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.quote { padding: 24px; background: #262522; color:#fff8ec; border-radius:16px; }
.quote p { margin:0 0 18px; font-size: 15px; }
.quote cite { color:#f7c28c; font-style:normal; font-size: 13px; }
.cta { padding: 48px; border-radius: 20px; background: var(--ink); color:#fff8ec; display:flex; align-items:center; justify-content:space-between; gap: 28px; }
.cta h2 { font-size: 34px; }
.cta p { color:#d9cfc1; margin: 11px 0 0; }
.cta .btn-primary { background: #f49a54; color: var(--ink); }
.page-hero { padding: 64px 0 46px; background: #f8ead4; }
.page-hero h1 { font-size: clamp(38px,5vw,64px); max-width: 760px; }
.page-hero p { max-width: 730px; color:var(--muted); font-size:17px; margin: 19px 0 0; }
.prose { max-width: 820px; }
.prose h2 { font-size: 30px; margin: 42px 0 15px; }
.prose h3 { font-size: 21px; margin: 24px 0 7px; }
.prose p { color:#4e4942; margin: 0 0 16px; }
.steps { display:grid; gap: 15px; margin: 24px 0; }
.step { display:grid; grid-template-columns: 46px 1fr; gap: 16px; padding: 20px; border:1px solid var(--line); background:#fffdf8; border-radius:15px; }
.step-no { width: 38px; height:38px; display:grid; place-items:center; border-radius:50%; background:var(--orange); color:#fff; font-weight:900; }
.step h3 { margin:0 0 6px; }
.step p { margin:0; font-size:14px; }
.faq-list { display:grid; gap: 12px; margin-top: 26px; }
details { background:#fffdf8; border:1px solid var(--line); border-radius: 13px; padding: 18px 20px; }
summary { cursor:pointer; font-weight:800; padding-right: 18px; }
details p { margin: 13px 0 0; color:var(--muted); font-size:14px; }
.site-footer { margin-top: 70px; padding: 34px 0 40px; border-top:1px solid var(--line); }
.footer-grid { display:flex; justify-content:space-between; gap: 28px; align-items:start; }
.footer-grid p { margin: 8px 0 0; color:var(--muted); font-size:13px; max-width: 570px; }
.footer-links { display:flex; gap: 16px; color:var(--muted); font-size:13px; }
.disclaimer { margin-top: 22px; padding-top: 17px; border-top:1px dashed var(--line); color:#8a7d70; font-size:12px; }
.tiny { font-size:12px; color:var(--muted); }
@media (max-width: 840px) {
  .nav { min-height: 68px; }
  .nav-links a { padding: 7px 8px; font-size:12px; }
  .nav-download { display:none !important; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-art { min-height: 320px; }
  .feature-grid, .quote-grid { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .shot:first-child { grid-row:auto; }
  .stat-row { grid-template-columns: repeat(2,1fr); }
  .cta { align-items:flex-start; flex-direction:column; padding: 32px; }
}
@media (max-width: 560px) {
  .wrap { width: min(100% - 28px, 1120px); }
  .brand-name { font-size:15px; }
  .brand img { width:36px; height:36px; }
  .nav-links { gap:0; }
  .nav-links a { padding:6px 5px; font-size:11px; }
  .hero { padding: 55px 0 42px; }
  h1 { font-size: 44px; }
  .hero-copy { font-size:16px; }
  .feature-grid, .quote-grid, .link-band, .gallery { grid-template-columns: 1fr; }
  .shot:first-child img { aspect-ratio: 4/3; }
  .section { padding: 58px 0; }
  .section-head { display:block; }
  .section-head p { margin-top:12px; }
  .footer-grid { flex-direction:column; }
}