:root {
  --brown-950: #2b1b0c;
  --brown-900: #3b260f;
  --brown-800: #553b18;
  --brown-700: #6b4a1f;
  --gold-500: #ffa631;
  --gold-400: #ffb94f;
  --gold-100: #fff0d5;
  --ink: #2a241c;
  --muted: #6f6559;
  --navy: #2d3142;
  --paper: #faf7f2;
  --white: #ffffff;
  --line: #e7dccb;
  --success: #2f6b4f;
  --shadow: 0 18px 50px rgba(43, 27, 12, 0.10);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --content: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1000;
  padding: 10px 16px;
  border-radius: 8px;
  color: var(--brown-950);
  background: var(--gold-500);
}

.skip-link:focus { top: 16px; }

.container {
  width: min(calc(100% - 40px), var(--content));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--white);
  background: rgba(43, 27, 12, 0.96);
  border-bottom: 1px solid rgba(255, 166, 49, 0.25);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand img {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  object-fit: cover;
}

.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: 20px; letter-spacing: 0.08em; }
.brand-copy small { margin-top: 5px; color: #dec9a8; font-size: 11px; letter-spacing: 0.12em; }

.site-nav { display: flex; align-items: center; gap: 4px; }

.site-nav > a:not(.button) {
  padding: 10px 13px;
  border-radius: 10px;
  color: #f3eadf;
  font-size: 15px;
  transition: color .2s ease, background .2s ease;
}

.site-nav > a:not(.button):hover,
.site-nav > a[aria-current="page"]:not(.button) {
  color: var(--gold-400);
  background: rgba(255,255,255,.07);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 12px;
  color: var(--white);
  background: transparent;
  cursor: pointer;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--brown-950); background: var(--gold-500); box-shadow: 0 10px 24px rgba(255,166,49,.22); }
.button-primary:hover { background: var(--gold-400); box-shadow: 0 14px 30px rgba(255,166,49,.30); }
.button-secondary { color: var(--brown-900); background: var(--white); border-color: var(--line); }
.button-dark { color: var(--white); background: var(--brown-900); }
.button-small { min-height: 42px; padding: 9px 16px; font-size: 14px; }

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--brown-950);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .18;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to right, transparent, #000 45%, #000);
}

.hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -160px;
  bottom: -260px;
  border: 90px solid rgba(255,166,49,.16);
  border-radius: 50%;
}

.hero-grid {
  position: relative;
  z-index: 1;
  min-height: 630px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, .8fr);
  align-items: center;
  gap: 70px;
  padding-block: 80px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--gold-400);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .12em;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  border-radius: 99px;
  background: currentColor;
}

h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { line-height: 1.22; }

.hero h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(42px, 5.8vw, 76px);
  letter-spacing: -.04em;
}

.hero h1 span { color: var(--gold-400); }

.hero-lead {
  max-width: 690px;
  margin-bottom: 30px;
  color: #eadfce;
  font-size: clamp(17px, 2vw, 20px);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.fine-print {
  margin: 20px 0 0;
  color: #c9b9a3;
  font-size: 13px;
}

.hero-panel {
  position: relative;
  padding: 24px;
  border: 1px solid rgba(255,185,79,.28);
  border-radius: var(--radius-lg);
  background: rgba(85,59,24,.62);
  box-shadow: 0 28px 70px rgba(0,0,0,.25);
}

.hero-panel::before {
  content: "服务从信息确认开始";
  position: absolute;
  top: -16px;
  left: 24px;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--brown-950);
  background: var(--gold-500);
  font-size: 12px;
  font-weight: 800;
}

.hero-panel h2 { margin: 12px 0 18px; font-size: 25px; }

.brief-list { display: grid; gap: 12px; }
.brief-item { display: grid; grid-template-columns: 44px 1fr; gap: 13px; align-items: start; padding: 14px; border-radius: 14px; background: rgba(255,255,255,.08); }
.brief-item b { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; color: var(--brown-950); background: var(--gold-500); }
.brief-item strong { display: block; margin-bottom: 2px; }
.brief-item span { color: #d9ccba; font-size: 13px; }

.section { padding-block: 92px; }
.section-tight { padding-block: 66px; }
.section-white { background: var(--white); }
.section-dark { color: var(--white); background: var(--brown-900); }
.section-gold { background: var(--gold-100); }

.section-heading { max-width: 760px; margin-bottom: 42px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.section-heading h2 { margin-bottom: 14px; font-size: clamp(30px, 4vw, 48px); letter-spacing: -.03em; }
.section-heading p { margin-bottom: 0; color: var(--muted); font-size: 17px; }
.section-dark .section-heading p { color: #d7c8b4; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.service-card {
  position: relative;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: 0 8px 32px rgba(43,27,12,.05);
}

.service-card::after {
  content: "";
  position: absolute;
  right: -28px;
  bottom: -34px;
  width: 120px;
  height: 120px;
  border: 22px solid var(--gold-100);
  border-radius: 50%;
}

.service-card .number { color: var(--gold-500); font-size: 13px; font-weight: 900; letter-spacing: .15em; }
.service-card h3 { margin: 14px 0 12px; font-size: 25px; }
.service-card p { color: var(--muted); }
.text-link { position: relative; z-index: 1; margin-top: auto; color: var(--brown-800); font-weight: 800; }
.text-link:hover { color: var(--gold-500); }

.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.scene-card { padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.74); }
.scene-card .icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 16px; border-radius: 12px; color: var(--brown-950); background: var(--gold-500); font-weight: 900; }
.scene-card h3 { margin-bottom: 7px; font-size: 19px; }
.scene-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.step { position: relative; padding: 0 18px; }
.step:not(:last-child)::after { content: ""; position: absolute; top: 23px; right: -10px; width: 20px; height: 2px; background: rgba(255,166,49,.45); }
.step b { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 18px; border-radius: 50%; color: var(--brown-950); background: var(--gold-500); }
.step h3 { font-size: 17px; }
.step p { color: #d7c8b4; font-size: 14px; }

.feature { padding: 28px; border-top: 4px solid var(--gold-500); border-radius: 6px 6px var(--radius-md) var(--radius-md); background: var(--white); box-shadow: var(--shadow); }
.feature h3 { margin-bottom: 10px; }
.feature p { margin-bottom: 0; color: var(--muted); }

.checklist { display: grid; gap: 12px; padding: 0; list-style: none; }
.checklist li { position: relative; padding-left: 30px; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 1px; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; color: var(--white); background: var(--success); font-size: 12px; font-weight: 900; }

.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 56px;
  align-items: center;
  padding: 48px;
  border-radius: var(--radius-lg);
  color: var(--white);
  background: var(--brown-950);
  box-shadow: var(--shadow);
}

.contact-shell h2 { margin-bottom: 16px; font-size: clamp(30px, 4vw, 46px); }
.contact-shell p { max-width: 660px; color: #d7c8b4; }
.contact-note { margin-top: 20px; padding: 14px 16px; border-left: 3px solid var(--gold-500); color: #eedfca; background: rgba(255,255,255,.06); }

.qr-card { padding: 18px; border-radius: 18px; color: var(--ink); text-align: center; background: var(--white); }
.qr-card img { width: 230px; height: 230px; margin: 0 auto 12px; }
.qr-card strong { display: block; }
.qr-card span { color: var(--muted); font-size: 13px; }

.page-hero { color: var(--white); background: var(--brown-950); }
.page-hero .container { min-height: 370px; display: grid; align-content: center; padding-block: 70px; }
.page-hero h1 { max-width: 850px; margin-bottom: 18px; font-size: clamp(38px, 5vw, 62px); }
.page-hero p { max-width: 760px; margin-bottom: 0; color: #ddcfbc; font-size: 18px; }

.breadcrumb { margin-bottom: 24px; color: #cdbb9f; font-size: 13px; }
.breadcrumb a { color: var(--gold-400); }

.content-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 58px; align-items: start; }
.side-nav { position: sticky; top: 102px; display: grid; padding: 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.side-nav a { padding: 10px 12px; border-radius: 9px; color: var(--muted); font-size: 14px; }
.side-nav a:hover { color: var(--brown-800); background: var(--gold-100); }

.prose-section { scroll-margin-top: 110px; margin-bottom: 58px; }
.prose-section h2 { margin-bottom: 16px; font-size: 31px; }
.prose-section h3 { margin-top: 30px; font-size: 20px; }
.prose-section p, .prose-section li { color: #554b40; }
.prose-section .notice { padding: 20px; border-left: 4px solid var(--gold-500); border-radius: 0 12px 12px 0; background: var(--gold-100); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 15px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--brown-900); background: var(--gold-100); }
tr:last-child td { border-bottom: 0; }

.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 22px; border: 0; color: var(--ink); background: transparent; text-align: left; font-weight: 800; cursor: pointer; }
.faq-question span:last-child { color: var(--gold-500); font-size: 24px; }
.faq-answer { padding: 0 22px 20px; color: var(--muted); }
.faq-answer[hidden] { display: none; }

.site-footer { color: #d9ccba; background: var(--brown-950); border-top: 4px solid var(--gold-500); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 50px; padding-block: 54px; }
.footer-grid h2, .footer-grid h3 { color: var(--white); }
.footer-grid h2 { font-size: 22px; }
.footer-grid h3 { font-size: 15px; }
.footer-grid p { max-width: 460px; font-size: 14px; }
.footer-links { display: grid; gap: 8px; }
.footer-links a:hover { color: var(--gold-400); }
.footer-bottom { padding: 20px 0 28px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.footer-bottom a { color: var(--gold-400); }

.mobile-contact { display: none; }

.not-found { min-height: calc(100vh - 200px); display: grid; place-items: center; padding: 60px 20px; text-align: center; }
.not-found strong { display: block; color: var(--gold-500); font-size: clamp(76px, 16vw, 160px); line-height: 1; }
.not-found h1 { font-size: 36px; }

@media (max-width: 980px) {
  .menu-button { display: inline-grid; place-items: center; }
  .site-nav { position: fixed; inset: 78px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 4px; padding: 18px 20px 26px; background: var(--brown-950); box-shadow: 0 30px 50px rgba(0,0,0,.28); }
  .site-nav.open { display: flex; }
  .site-nav > a:not(.button) { padding: 13px 15px; }
  .site-nav .button { margin-top: 8px; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; gap: 48px; padding-block: 70px; }
  .hero-panel { max-width: 680px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 28px 0; }
  .step:not(:last-child)::after { display: none; }
  .contact-shell { grid-template-columns: 1fr 260px; padding: 36px; }
  .content-layout { grid-template-columns: 1fr; }
  .side-nav { position: static; grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 28px), var(--content)); }
  .brand-copy small { display: none; }
  .brand img { width: 44px; height: 44px; }
  .nav-wrap { min-height: 70px; }
  .site-nav { top: 70px; }
  .hero-grid { padding-block: 58px; }
  .hero h1 { font-size: 44px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-panel { padding: 20px; }
  .section { padding-block: 68px; }
  .section-tight { padding-block: 52px; }
  .grid-3, .grid-2, .scene-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .service-card { min-height: 250px; }
  .steps { grid-template-columns: 1fr; gap: 18px; }
  .step { display: grid; grid-template-columns: 48px 1fr; gap: 0 16px; padding: 0; }
  .step b { grid-row: 1 / 3; }
  .step h3 { margin-bottom: 6px; }
  .contact-shell { grid-template-columns: 1fr; padding: 28px 22px; }
  .qr-card { max-width: 300px; margin-inline: auto; }
  .page-hero .container { min-height: 320px; padding-block: 55px; }
  .side-nav { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom .container { display: grid; }
  .mobile-contact {
    position: fixed;
    z-index: 90;
    left: 14px;
    right: 14px;
    bottom: 12px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border-radius: 14px;
    color: var(--brown-950);
    background: var(--gold-500);
    box-shadow: 0 12px 36px rgba(43,27,12,.3);
    font-weight: 900;
  }
  .site-footer { padding-bottom: 72px; }
}

@media (max-width: 430px) {
  .grid-4 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 39px; }
  .side-nav { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}