:root {
  --paper: #f5f0e1;
  --paper-deep: #e9dfcc;
  --ink: #2f241f;
  --brown: #5c4033;
  --orange: #e07a5f;
  --orange-deep: #bd5a43;
  --sage: #7d9474;
  --line: #d5c6ae;
  --white: #fffdf8;
  --shadow: 0 12px 30px rgba(92, 64, 51, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(245, 240, 225, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.nav-wrap { max-width: 1160px; margin: 0 auto; padding: 14px 22px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 1px; white-space: nowrap; }
.brand img { width: 38px; height: 38px; border-radius: 9px; }
.brand span { font-size: 20px; color: var(--brown); }
.nav-links { margin-left: auto; display: flex; flex-wrap: wrap; gap: 8px; }
.nav-links a { padding: 7px 12px; border-radius: 6px; color: #6b5142; font-size: 14px; }
.nav-links a:hover, .nav-links a.active { background: var(--orange); color: #fff; }
.download-mini { background: var(--brown); color: #fff !important; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 22px; }
.hero { padding: 74px 0 58px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: center; }
.eyebrow { color: var(--orange-deep); font-weight: 700; letter-spacing: 2px; font-size: 13px; }
h1 { margin: 12px 0 18px; color: var(--brown); font-family: Georgia, "Songti SC", serif; font-size: clamp(34px, 5vw, 58px); line-height: 1.18; letter-spacing: 0; }
h2 { color: var(--brown); font-family: Georgia, "Songti SC", serif; font-size: 28px; margin: 0 0 18px; letter-spacing: 0; }
h3 { color: var(--brown); margin: 0 0 8px; font-size: 19px; }
p { margin: 0 0 14px; }
.lead { font-size: 18px; color: #634c3e; max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 6px; padding: 12px 22px; font-weight: 700; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-primary { background: var(--orange); color: #fff; }
.btn-secondary { background: transparent; border: 1px solid var(--brown); color: var(--brown); }
.hero-art { justify-self: center; position: relative; }
.hero-art img { width: min(360px, 80vw); border: 10px solid var(--white); box-shadow: var(--shadow); transform: rotate(2deg); }
.stamp { position: absolute; right: -16px; bottom: -18px; width: 94px; height: 94px; border: 2px solid var(--orange); border-radius: 50%; display: grid; place-items: center; color: var(--orange-deep); background: var(--paper); font-size: 13px; text-align: center; transform: rotate(-10deg); }
.section { padding: 66px 0; border-top: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; gap: 20px; align-items: end; margin-bottom: 26px; }
.section-head p { color: #755d4d; max-width: 650px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 22px; box-shadow: 0 5px 16px rgba(92,64,51,.06); }
.card strong { color: var(--orange-deep); }
.icon { width: 38px; height: 38px; display: grid; place-items: center; background: var(--paper-deep); color: var(--orange-deep); border-radius: 8px; font-size: 20px; margin-bottom: 12px; }
.feature-list { display: grid; gap: 12px; }
.feature-row { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.feature-row:last-child { border-bottom: 0; }
.feature-row b { color: var(--brown); }
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.shot { text-align: center; }
.shot img { width: min(250px, 100%); margin: 0 auto 10px; border: 8px solid var(--white); box-shadow: var(--shadow); }
.quote { position: relative; padding: 24px 24px 22px 52px; background: #f1e8d5; border-left: 4px solid var(--orange); }
.quote::before { content: "“"; position: absolute; left: 16px; top: 6px; color: var(--orange); font: 42px Georgia, serif; }
.quote cite { display: block; margin-top: 10px; color: #806454; font-style: normal; font-size: 13px; }
.timeline { display: grid; gap: 14px; }
.timeline-item { display: grid; grid-template-columns: 118px 1fr; gap: 16px; padding: 16px; background: var(--white); border: 1px solid var(--line); border-radius: 7px; }
.timeline-item time { color: var(--orange-deep); font-weight: 700; }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step { counter-increment: step; display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: start; }
.step::before { content: counter(step); width: 42px; height: 42px; border-radius: 50%; background: var(--brown); color: #fff; display: grid; place-items: center; font-weight: 800; }
.step .card { padding: 16px 18px; }
.faq { border-top: 1px solid var(--line); }
.faq details { background: var(--white); border-bottom: 1px solid var(--line); padding: 16px 4px; }
.faq summary { cursor: pointer; color: var(--brown); font-weight: 700; }
.faq p { padding: 10px 18px 0 0; color: #675044; }
.callout { background: var(--brown); color: #fff; border-radius: 8px; padding: 28px; display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.callout h2 { color: #fff; margin-bottom: 8px; }
.callout p { color: #f6e9d7; }
.site-footer { margin-top: 64px; padding: 34px 0 42px; background: #493329; color: #eadcc7; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 24px; }
.site-footer h3 { color: #fff3e3; font-size: 16px; }
.site-footer a { color: #f6c3ae; }
.disclaimer { border-top: 1px solid rgba(255,255,255,.2); margin-top: 24px; padding-top: 18px; font-size: 12px; color: #d9c8b2; }
.page-hero { padding: 62px 0 42px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(34px, 5vw, 52px); }
.article { max-width: 850px; }
.article p { color: #574238; }
.article .card { margin: 20px 0; }
.tag { display: inline-block; background: #e8d9c2; color: var(--brown); padding: 4px 10px; border-radius: 4px; margin: 0 5px 6px 0; font-size: 12px; }
.table-like { width: 100%; border-collapse: collapse; background: var(--white); }
.table-like th, .table-like td { padding: 13px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.table-like th { background: #eee2cf; color: var(--brown); }
@media (max-width: 820px) {
  .nav-wrap { align-items: flex-start; flex-wrap: wrap; gap: 10px; }
  .nav-links { width: 100%; margin-left: 0; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 3px; }
  .hero { grid-template-columns: 1fr; padding-top: 48px; gap: 28px; }
  .hero-art { order: -1; }
  .grid-3, .shots { grid-template-columns: 1fr; }
  .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .feature-row, .timeline-item { grid-template-columns: 1fr; gap: 4px; }
  .callout { display: block; }
  .callout .btn { margin-top: 14px; }
}
