@font-face {
  font-family: "Gilroy";
  src: url("../fonts/Gilroy-Light.otf") format("opentype");
  font-style: normal;
  font-weight: 300 500;
  font-display: swap;
}

@font-face {
  font-family: "Gilroy";
  src: url("../fonts/Gilroy-ExtraBold.otf") format("opentype");
  font-style: normal;
  font-weight: 600 900;
  font-display: swap;
}

:root {
  --ink: #171a1f;
  --ink-soft: #242931;
  --gold: #f6b914;
  --gold-soft: #ffd66c;
  --paper: #f6f4ee;
  --white: #fff;
  --muted: #69707a;
  --line: rgba(23, 26, 31, .12);
  --radius: 22px;
  --shadow: 0 24px 70px rgba(15, 17, 20, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Gilroy", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
html[lang="zh"] body { font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", "Gilroy", sans-serif; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 100; background: var(--gold); padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.topline { background: #0f1115; color: #d9dce1; font-size: 13px; }
.topline .container { display: flex; min-height: 38px; align-items: center; justify-content: space-between; gap: 20px; }
.topline a:hover { color: var(--gold); }
.topline-links { display: flex; gap: 20px; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(246,244,238,.92); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.nav { min-height: 78px; display: flex; align-items: center; gap: 30px; }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; font-weight: 900; letter-spacing: -.04em; font-size: 20px; }
.brand img { width: 44px; height: 44px; }
.brand span b { color: #a66f00; }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 14px; font-weight: 700; }
.nav-links a { position: relative; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: var(--gold); transition: .25s; }
.nav-links a:hover::after { right: 0; }
.lang-switch { display: flex; gap: 4px; padding: 4px; background: #e8e5dd; border-radius: 999px; }
.lang-switch a { min-width: 34px; padding: 5px 8px; text-align: center; border-radius: 999px; font-size: 12px; font-weight: 800; }
.lang-switch a.active { background: var(--ink); color: white; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 12px; background: var(--ink); color: white; cursor: pointer; }

.hero { position: relative; overflow: hidden; padding: 72px 0 80px; }
.hero::before { content: ""; position: absolute; width: 620px; height: 620px; right: -260px; top: -240px; border: 1px solid rgba(23,26,31,.12); border-radius: 50%; box-shadow: 0 0 0 80px rgba(246,185,20,.08), 0 0 0 160px rgba(23,26,31,.025); }
.hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 64px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 20px; text-transform: uppercase; letter-spacing: .13em; font-size: 12px; font-weight: 900; }
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--gold); border-radius: 2px; }
h1, h2, h3 { margin-top: 0; line-height: 1.05; letter-spacing: -.04em; }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(48px, 6.6vw, 92px); }
h1 .accent { display: block; color: #a66f00; }
.hero-copy { max-width: 620px; margin: 0 0 32px; color: var(--muted); font-size: 18px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 10px; padding: 0 22px; border: 1px solid transparent; border-radius: 12px; font-weight: 800; cursor: pointer; transition: transform .2s, background .2s, color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--ink); color: white; }
.btn-primary:hover { background: #000; }
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-outline { border-color: var(--line); background: transparent; }
.hero-visual { position: relative; }
.hero-image { overflow: visible; background: transparent; }
.hero-image img { display: block; width: 100%; height: auto; object-fit: contain; transform: scale(1.15); transform-origin: center; }

.trustbar { border-block: 1px solid var(--line); background: #edeae2; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-item { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 82px; border-right: 1px solid var(--line); font-weight: 800; }
.trust-item:last-child { border-right: 0; }
.trust-num { color: #a66f00; font-size: 28px; font-weight: 900; }

.section { padding: 110px 0; }
.section-dark { background: var(--ink); color: white; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 48px; }
.section-head h2 { max-width: 720px; margin-bottom: 0; font-size: clamp(38px, 5vw, 66px); }
.section-head p { max-width: 420px; margin: 0; color: var(--muted); }
.section-dark .section-head p { color: #aeb4bd; }

.services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.service-card { overflow: hidden; position: relative; min-height: 560px; border-radius: var(--radius); background: var(--gold); }
.service-card img { width: 100%; height: 100%; min-height: 560px; object-fit: cover; transition: transform .6s ease; }
.service-card:hover img { transform: scale(1.035); }
.service-overlay { position: absolute; inset: auto 0 0; padding: 90px 30px 30px; background: linear-gradient(transparent, rgba(10,12,15,.92)); color: white; }
.service-num { display: inline-block; margin-bottom: 10px; color: var(--gold); font-weight: 900; }
.service-card h3 { margin-bottom: 10px; font-size: 34px; }
.service-card p { max-width: 520px; margin: 0; color: #d0d3d8; }

.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.process-item { padding: 36px; background: var(--paper); }
.process-item span { display: block; margin-bottom: 55px; color: #a66f00; font-weight: 900; }
.process-item h3 { font-size: 25px; }
.process-item p { margin-bottom: 0; color: var(--muted); }

.location-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 24px; align-items: stretch; }
.location-copy { padding: 46px; border-radius: var(--radius); background: var(--gold); }
.location-copy h2 { font-size: clamp(36px, 4vw, 58px); }
.coords { margin: 30px 0; padding: 18px 0; border-block: 1px solid rgba(23,26,31,.2); font-weight: 800; }
.map-card { min-height: 520px; overflow: hidden; border-radius: var(--radius); background: #ddd; }
.map-card iframe { width: 100%; height: 100%; min-height: 520px; border: 0; }

.faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; }
.faq h2 { font-size: clamp(38px, 4.8vw, 64px); }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; list-style: none; font-weight: 850; cursor: pointer; }
.faq-list summary::after { content: "+"; font-size: 27px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { max-width: 680px; margin: 0 0 24px; color: var(--muted); }

.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; }
.contact-copy h2 { font-size: clamp(42px, 5.5vw, 76px); }
.contact-list { display: grid; gap: 12px; margin-top: 34px; }
.contact-link { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.15); color: #e4e6ea; }
.contact-link strong { color: var(--gold); }
button.contact-link { width: 100%; border-width: 0 0 1px; border-color: rgba(255,255,255,.15); background: transparent; text-align: left; cursor: pointer; }
.wechat-dialog { width: min(480px, calc(100% - 28px)); max-height: calc(100vh - 28px); padding: 0; border: 0; border-radius: 24px; background: var(--white); color: var(--ink); box-shadow: 0 30px 100px rgba(0,0,0,.35); }
.wechat-dialog::backdrop { background: rgba(8,10,12,.76); backdrop-filter: blur(7px); }
.wechat-dialog-inner { position: relative; padding: 30px; text-align: center; }
.wechat-dialog h3 { margin-bottom: 8px; font-size: 30px; }
.wechat-dialog p { margin: 0 0 18px; color: var(--muted); }
.wechat-dialog img { width: min(100%, 360px); max-height: 62vh; margin: 0 auto 18px; object-fit: contain; border: 1px solid var(--line); border-radius: 16px; }
.wechat-close { position: absolute; top: 14px; right: 14px; width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--ink); color: white; font-size: 22px; cursor: pointer; }
.wechat-dialog .actions { justify-content: center; }
.wechat-id { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: min(100%, 360px); margin: 0 auto 16px; padding: 12px 14px; border-radius: 12px; background: #f1f3f5; text-align: left; }
.wechat-id span { color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.wechat-id code { overflow-wrap: anywhere; color: var(--ink); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 14px; font-weight: 800; }
.wechat-status { min-height: 22px; margin: 10px 0 0 !important; color: #417641 !important; font-size: 13px; font-weight: 700; }
.lead-form { display: grid; gap: 14px; padding: 34px; border-radius: var(--radius); background: white; color: var(--ink); }
.lead-form label { font-size: 13px; font-weight: 800; }
.lead-form input, .lead-form select, .lead-form textarea { width: 100%; margin-top: 6px; border: 1px solid #d9dadd; border-radius: 10px; background: #f7f7f5; padding: 14px; outline: none; }
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus { border-color: #b57c00; box-shadow: 0 0 0 3px rgba(246,185,20,.2); }
.lead-form textarea { min-height: 100px; resize: vertical; }

.footer { padding: 30px 0; background: #0f1115; color: #8f969f; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; }
.footer .container { display: flex; justify-content: space-between; gap: 20px; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .nav-links { position: fixed; inset: 117px 20px auto; display: none; flex-direction: column; align-items: stretch; padding: 24px; border-radius: 18px; background: var(--ink); color: white; box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .hero-grid, .location-grid, .faq, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 46px; }
  .hero-visual { max-width: 680px; }
  .hero-image img { transform: scale(1.03); }
  .services { grid-template-columns: 1fr; }
  .service-card, .service-card img { min-height: 500px; }
  .section-head { display: block; }
  .section-head p { margin-top: 20px; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1180px); }
  .topline .container { justify-content: center; }
  .topline-location { display: none; }
  .topline-links { gap: 12px; }
  .nav { min-height: 70px; gap: 12px; }
  .brand span { display: none; }
  .brand img { width: 38px; height: 38px; }
  .lang-switch a { min-width: 30px; padding-inline: 6px; }
  .nav-links { top: 107px; }
  h1 { font-size: 47px; }
  .hero-copy { font-size: 16px; }
  .hero-image img { transform: none; }
  .actions .btn { width: 100%; }
  .trust-grid { grid-template-columns: 1fr; padding: 12px 0; }
  .trust-item { min-height: 58px; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-item:last-child { border-bottom: 0; }
  .section { padding: 76px 0; }
  .service-card, .service-card img { min-height: 410px; }
  .service-card h3 { font-size: 29px; }
  .process { grid-template-columns: 1fr; }
  .process-item span { margin-bottom: 24px; }
  .location-copy, .lead-form { padding: 26px; }
  .wechat-dialog-inner { padding: 26px 18px 20px; }
  .wechat-dialog .actions .btn { width: 100%; }
  .map-card, .map-card iframe { min-height: 380px; }
  .footer .container { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
