:root {
  --brand: #ff7a1a;
  --brand-dark: #c9540a;
  --brand-light: #fff2e2;
  --ink: #241a12;
  --ink-2: #6f6154;
  --ink-3: #9b8d7f;
  --line: #eee1d1;
  --page: #fffaf3;
  --card: #ffffff;
  --wechat: #07c160;
  --shadow: 0 18px 50px rgba(92, 60, 25, 0.12);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--page); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
.page-shell { min-height: 100vh; overflow: hidden; }

.site-header {
  width: min(1180px, calc(100% - 48px));
  height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { font-family: "Songti SC", STSong, serif; font-size: 29px; font-weight: 700; text-decoration: none; letter-spacing: -1px; }
.brand span, .mini-brand span, .dialog-mark span { color: var(--brand); }
.header-action { min-height: 44px; padding: 0 20px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: rgba(255,255,255,.76); cursor: pointer; }
.header-action:hover { border-color: var(--brand); color: var(--brand-dark); }

.hero {
  position: relative;
  width: min(1180px, calc(100% - 48px));
  min-height: 680px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: 64px;
  padding: 50px 0 88px;
}

.hero::before { position: absolute; z-index: -1; top: -110px; right: -34vw; width: 75vw; height: 720px; border-radius: 0 0 0 45%; background: var(--brand-light); content: ""; }
.eyebrow { margin: 0 0 16px; color: var(--brand-dark); font-size: 14px; font-weight: 600; letter-spacing: .14em; }
h1 { margin: 0; font-family: "Songti SC", STSong, serif; font-size: clamp(58px, 7vw, 96px); font-weight: 600; line-height: 1.02; letter-spacing: -.06em; }
h1 span { color: var(--brand); }
.hero-description { max-width: 580px; margin: 28px 0 0; color: var(--ink-2); font-size: 18px; line-height: 1.9; }
.hero-actions { margin-top: 36px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.primary-action { min-height: 54px; padding: 0 24px; border: 0; border-radius: 15px; background: var(--ink); color: white; font-weight: 600; cursor: pointer; box-shadow: 0 10px 24px rgba(36,26,18,.16); }
.primary-action:hover { transform: translateY(-1px); background: #38281b; }
.primary-action:focus-visible, .header-action:focus-visible, .dialog-close:focus-visible, .dialog-confirm:focus-visible, a:focus-visible { outline: 3px solid rgba(255,122,26,.35); outline-offset: 3px; }
.wechat-dot { display: inline-block; width: 10px; height: 10px; margin-right: 9px; border-radius: 50%; background: var(--wechat); box-shadow: 0 0 0 4px rgba(7,193,96,.14); }
.text-link { font-size: 15px; text-decoration: none; border-bottom: 1px solid var(--ink-3); padding-bottom: 3px; }
.launch-note { margin: 14px 0 0; color: var(--ink-3); font-size: 13px; }

.phone-stage { position: relative; min-height: 570px; display: grid; place-items: center; }
.sun-shape { position: absolute; width: 460px; height: 460px; border-radius: 50%; background: #ffc17a; opacity: .52; }
.phone { position: relative; width: 306px; min-height: 588px; padding: 16px 16px 22px; border: 9px solid #2f241c; border-radius: 44px; background: #fefbf8; box-shadow: var(--shadow); transform: rotate(2.5deg); }
.phone-status { display: flex; justify-content: space-between; padding: 0 9px; font-size: 9px; font-weight: 600; }
.mini-brand { margin-top: 22px; font-family: "Songti SC", STSong, serif; font-size: 20px; font-weight: 700; }
.mini-copy { padding: 28px 3px 21px; display: flex; flex-direction: column; align-items: center; gap: 7px; }
.mini-copy strong { font-family: "Songti SC", STSong, serif; font-size: 19px; }
.mini-copy span { color: var(--ink-2); font-size: 9px; }
.search-card { overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: white; }
.search-tabs { height: 39px; display: flex; border-bottom: 1px solid var(--line); }
.search-tabs span { position: relative; flex: 1; display: grid; place-items: center; color: var(--ink-2); font-size: 11px; }
.search-tabs .active { color: var(--brand-dark); font-weight: 600; }
.search-tabs .active::after { position: absolute; bottom: 0; width: 54px; height: 3px; border-radius: 9px; background: var(--brand); content: ""; }
.search-field { min-height: 46px; margin: 7px; padding-left: 9px; display: flex; align-items: center; gap: 7px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink-3); font-size: 10px; }
.search-field b { align-self: stretch; margin-left: auto; padding: 0 10px; display: grid; place-items: center; border-radius: 9px; background: var(--brand); color: white; font-size: 10px; }
.mini-services { margin-top: 18px; display: grid; gap: 9px; }
.mini-services > div { min-height: 60px; padding: 10px; display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 12px; background: white; }
.mini-services i { width: 34px; height: 34px; flex: none; display: grid; place-items: center; border-radius: 11px; background: var(--brand-light); color: var(--brand-dark); font-style: normal; font-family: "Songti SC", STSong, serif; font-weight: 700; }
.mini-services span { display: flex; flex-direction: column; gap: 3px; }
.mini-services b { font-size: 11px; }
.mini-services small { color: var(--ink-3); font-size: 8px; }

.services { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 108px 0; }
.section-heading { max-width: 680px; }
h2 { margin: 0; font-family: "Songti SC", STSong, serif; font-size: clamp(36px, 5vw, 58px); line-height: 1.2; letter-spacing: -.035em; }
.service-grid { margin-top: 52px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-grid article { min-height: 260px; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.82); }
.service-grid article:nth-child(even) { transform: translateY(28px); }
.service-grid article > span { color: var(--brand); font-family: Georgia, serif; font-size: 14px; font-style: italic; }
.service-grid h3 { margin: 64px 0 12px; font-size: 19px; }
.service-grid p { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.8; }

.final-cta { width: min(1180px, calc(100% - 48px)); margin: 70px auto; padding: 74px 28px; border-radius: 28px; background: var(--brand-light); text-align: center; }
.final-cta h2 { max-width: 760px; margin: 0 auto; }
.final-cta > p:not(.eyebrow) { margin: 20px 0 30px; color: var(--ink-2); }

.site-footer { width: min(1180px, calc(100% - 48px)); min-height: 150px; margin: 0 auto; padding: 40px 0; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); }
.footer-brand { font-size: 24px; }
.site-footer p { margin: 8px 0 0; color: var(--ink-3); font-size: 13px; }
.legal { text-align: right; }
.legal a { display: inline-block; margin-top: 8px; color: var(--ink-2); font-size: 13px; text-decoration: none; }
.legal a:hover { color: var(--brand-dark); }

.launch-dialog { width: min(390px, calc(100% - 36px)); padding: 38px 30px 28px; border: 0; border-radius: 24px; background: white; color: var(--ink); text-align: center; box-shadow: var(--shadow); }
.launch-dialog::backdrop { background: rgba(36,26,18,.52); backdrop-filter: blur(4px); }
.dialog-close { position: absolute; top: 12px; right: 14px; width: 40px; height: 40px; border: 0; background: transparent; color: var(--ink-2); font-size: 28px; cursor: pointer; }
.dialog-mark { width: 74px; height: 74px; margin: 0 auto 20px; display: grid; place-items: center; border-radius: 22px; background: var(--brand-light); font-family: "Songti SC", STSong, serif; font-size: 18px; font-weight: 700; }
.launch-dialog h2 { font-family: inherit; font-size: 22px; }
.launch-dialog p { color: var(--ink-2); line-height: 1.7; }
.dialog-confirm { width: 100%; min-height: 48px; margin-top: 8px; border: 0; border-radius: 13px; background: var(--ink); color: white; cursor: pointer; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr 1fr; gap: 22px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid article:nth-child(even) { transform: none; }
}

@media (max-width: 720px) {
  .site-header, .hero, .services, .final-cta, .site-footer { width: min(100% - 32px, 560px); }
  .site-header { height: 70px; }
  .brand { font-size: 25px; }
  .header-action { padding: 0 15px; font-size: 14px; }
  .hero { grid-template-columns: 1fr; gap: 28px; padding: 50px 0 70px; text-align: center; }
  .hero::before { top: 42%; right: -55%; width: 150%; height: 52%; border-radius: 46% 0 0 0; }
  .hero-description { font-size: 16px; line-height: 1.8; }
  .hero-actions { justify-content: center; }
  .launch-note { text-align: center; }
  .phone-stage { min-height: 510px; }
  .sun-shape { width: 350px; height: 350px; }
  .phone { width: 275px; min-height: 530px; transform: rotate(1.5deg) scale(.94); }
  .services { padding: 86px 0 60px; }
  .service-grid { grid-template-columns: 1fr; margin-top: 34px; }
  .service-grid article { min-height: 205px; }
  .service-grid h3 { margin-top: 42px; }
  .final-cta { margin-top: 35px; padding: 58px 22px; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .legal { text-align: left; }
}

@media (prefers-reduced-motion: no-preference) {
  .primary-action, .header-action { transition: transform .18s ease, color .18s ease, border-color .18s ease, background .18s ease; }
}