:root {
  --bg: #090909;
  --surface: #121210;
  --line: rgba(255, 255, 255, .13);
  --text: #f1efe9;
  --muted: #aaa79f;
  --accent: #d9ff63;
  --max: 1920px;
}

* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(circle at 85% 5%, rgba(217, 255, 99, .08), transparent 24rem), var(--bg);
  font: 16px/1.75 Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: inherit; }
.shell { width: min(calc(100% - 64px), var(--max)); margin: 0 auto; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(9, 9, 9, .88); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { text-decoration: none; font-size: 14px; font-weight: 700; letter-spacing: .12em; }
.brand span { color: var(--accent); }
.nav-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.nav-links a { color: var(--muted); font-size: 13px; text-decoration: none; }
.nav-links a:hover { color: var(--accent); }
.hero { padding: clamp(76px, 8vw, 128px) 0 clamp(62px, 6vw, 96px); border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 16px; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
h1 { max-width: 1280px; margin: 0; font-size: clamp(40px, 3.4vw, 60px); font-weight: 520; line-height: 1.18; letter-spacing: -.035em; text-wrap: balance; line-break: strict; }
.lead { max-width: 800px; margin: 24px 0 0; color: var(--muted); font-size: clamp(16px, 1.5vw, 19px); }
.breadcrumb { margin: 0 0 24px; color: var(--muted); font-size: 13px; }
.breadcrumb a { color: var(--muted); }
.section { padding: clamp(60px, 8vw, 105px) 0; }
.section + .section { border-top: 1px solid var(--line); }
h2 { max-width: 1040px; margin: 0 0 22px; font-size: clamp(28px, 3vw, 46px); font-weight: 520; letter-spacing: -.025em; line-height: 1.25; text-wrap: balance; line-break: strict; }
h3 { margin: 0 0 8px; font-size: 19px; font-weight: 600; text-wrap: balance; line-break: strict; }
p { margin: 0 0 16px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.card p, .muted { color: var(--muted); }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.process > div { min-height: 175px; padding: 24px; background: var(--surface); }
.process strong { display: block; margin-bottom: 18px; color: var(--accent); font: italic 18px Georgia, serif; }
.cta { padding: 38px; border: 1px solid rgba(217, 255, 99, .38); border-radius: 18px; background: linear-gradient(135deg, rgba(217, 255, 99, .12), transparent 56%), var(--surface); }
.button { display: inline-flex; margin-top: 10px; padding: 13px 20px; border-radius: 999px; color: #111; background: var(--accent); font-weight: 700; text-decoration: none; }
.faq { border-top: 1px solid var(--line); }
.faq details { padding: 20px 0; border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-size: 19px; font-weight: 600; line-height: 1.45; text-wrap: balance; line-break: strict; }
.faq details p { max-width: 850px; margin: 14px 0 0; color: var(--muted); }
.service-intro { max-width: 920px; margin: 0 0 30px; color: var(--muted); font-size: 17px; }
.service-faq { max-width: 1280px; }
.title-mobile-break { display: none; }
.title-desktop-break { display: inline; }
.about-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.about-gallery figure { min-height: 0; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.about-gallery img { display: block; width: 100%; aspect-ratio: 1.45; object-fit: cover; transition: transform .45s ease; }
.about-gallery figure:hover img { transform: scale(1.035); }
.about-gallery figcaption { padding: 11px 12px; color: var(--muted); font-size: 12px; }
.about-services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.about-services .card { min-height: 0; }
.footer { padding: 36px 0; color: var(--muted); border-top: 1px solid var(--line); font-size: 13px; }

body.contact-panel-open { overflow: hidden; }
.contact-panel[hidden] { display: none; }
.contact-panel { position: fixed; z-index: 100; inset: 0; display: grid; padding: 24px; place-items: center; }
.contact-panel-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, .72); backdrop-filter: blur(12px); }
.contact-panel-dialog { position: relative; z-index: 1; width: min(100%, 650px); padding: clamp(28px, 4vw, 48px); border: 1px solid rgba(217, 255, 99, .34); border-radius: 22px; background: #11110f; box-shadow: 0 28px 90px rgba(0, 0, 0, .55); }
.contact-panel-close { position: absolute; top: 16px; right: 16px; display: grid; width: 38px; height: 38px; cursor: pointer; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--text); background: transparent; font-size: 22px; line-height: 1; }
.contact-panel-close:hover { color: var(--bg); border-color: var(--accent); background: var(--accent); }
.contact-panel-title { margin: 0 0 12px; font-size: clamp(30px, 4vw, 46px); font-weight: 520; letter-spacing: -.025em; }
.contact-panel-lead { max-width: 490px; margin: 0; color: var(--muted); }
.contact-panel-grid { display: grid; margin-top: 30px; grid-template-columns: 1fr auto; gap: 28px; align-items: center; }
.contact-phone-label { color: var(--muted); font-size: 11px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
.contact-phone-number { margin: 6px 0 18px; font-size: clamp(28px, 3vw, 38px); letter-spacing: -.025em; }
.contact-copy-button, .contact-account-copy { min-height: 45px; padding: 0 17px; cursor: pointer; border: 1px solid var(--line); border-radius: 999px; color: var(--text); background: transparent; font: inherit; font-size: 12px; font-weight: 650; letter-spacing: .08em; transition: color .25s, border-color .25s, background .25s; }
.contact-copy-button:hover, .contact-copy-button.is-copied, .contact-account-copy:hover, .contact-account-copy.is-copied { color: var(--bg); border-color: var(--accent); background: var(--accent); }
.contact-dial-mobile { display: none; min-height: 45px; padding: 0 17px; align-items: center; justify-content: center; border-radius: 999px; color: var(--bg); background: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-decoration: none; }
.contact-panel-footnote { margin: 20px 0 0; color: var(--muted); font-size: 12px; }
.contact-social { display: flex; margin-top: 18px; gap: 10px; align-items: center; color: var(--muted); font-size: 12px; line-height: 1.55; }
.contact-social strong { color: #d7d4cb; font-weight: 560; }
.contact-account-copy { min-height: auto; margin-left: auto; padding: 5px 0; border: 0; color: var(--accent); white-space: nowrap; }
.contact-panel-qr { width: 142px; height: 142px; padding: 8px; border-radius: 12px; background: #fff; }
.contact-panel-qr img { display: block; width: 100%; height: 100%; object-fit: contain; }
.contact-panel-links { display: flex; margin-top: 24px; gap: 10px; }
.contact-panel-links .button { margin-top: 0; color: var(--text); border: 1px solid var(--line); background: transparent; }
.contact-panel-links .button:hover { color: var(--bg); border-color: var(--accent); background: var(--accent); }
.contact-panel-trigger { cursor: pointer; border: 0; font: inherit; }

@media (max-width: 720px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 68px; align-items: flex-start; padding: 16px 0; flex-direction: column; }
  .nav-links { justify-content: flex-start; gap: 12px 18px; }
  .grid, .process, .about-gallery, .about-services { grid-template-columns: 1fr; }
  .about-gallery img { height: auto; aspect-ratio: auto; object-fit: contain; }
  .hero { padding: 52px 0 48px; }
  .breadcrumb { margin-bottom: 18px; font-size: 12px; }
  .eyebrow { margin-bottom: 12px; font-size: 11px; }
  h1 { max-width: 100%; font-size: clamp(32px, 9.2vw, 40px); line-height: 1.22; letter-spacing: -.03em; }
  .lead { margin-top: 18px; font-size: 16px; line-height: 1.7; }
  .section { padding: 58px 0; }
  h2 { margin-bottom: 18px; font-size: clamp(26px, 7.2vw, 32px); line-height: 1.3; }
  h3 { font-size: 18px; line-height: 1.4; }
  .service-intro { margin-bottom: 24px; font-size: 16px; line-height: 1.7; }
  .faq summary { padding-right: 4px; font-size: 17px; }
  .faq details { padding: 18px 0; }
  .faq details p { margin-top: 12px; font-size: 15px; line-height: 1.72; }
  .title-mobile-break { display: inline; }
  .title-desktop-break { display: none; }
  .process { gap: 1px; }
  .process > div { min-height: auto; }
  .cta, .card { padding: 22px; }
  .contact-panel { z-index: 2147483647; padding: 14px; align-items: start; overflow-y: auto; -webkit-overflow-scrolling: touch; }
  .contact-panel-dialog { margin: auto 0; }
  .contact-panel-grid { grid-template-columns: 1fr; }
  .contact-copy-button { display: none; }
  .contact-dial-mobile { display: inline-flex; }
  .contact-social { align-items: flex-start; flex-wrap: wrap; }
  .contact-account-copy { width: 100%; margin-left: 0; text-align: left; }
  .contact-panel-qr { width: 132px; height: 132px; }
  .contact-panel-trigger { touch-action: manipulation; }
}