:root {
  --navy-950: #07101f;
  --navy-900: #0b1729;
  --navy-800: #11233b;
  --navy-700: #18324f;
  --gold-500: #d9a441;
  --gold-400: #f0c96a;
  --gold-300: #ffe4a0;
  --paper: #f7f4ed;
  --ink: #142033;
  --muted: #647084;
  --line: rgba(20, 32, 51, .12);
  --white: #fff;
  --shadow: 0 22px 55px rgba(7, 16, 31, .13);
  --content: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.wrap { width: min(calc(100% - 40px), var(--content)); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 1000; padding: 10px 16px; background: #fff; color: #111; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  color: #fff;
  background: rgba(7, 16, 31, .94);
  border-bottom: 1px solid rgba(240, 201, 106, .22);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: #fff; text-decoration: none; white-space: nowrap; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(240, 201, 106, .55);
  background: linear-gradient(145deg, #f8db8c, #b77c19);
  color: #08111f;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -.05em;
}
.brand strong { display: block; font-size: 17px; letter-spacing: .04em; }
.brand small { display: block; margin-top: -3px; color: #aebad0; font-size: 10px; letter-spacing: .16em; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a { padding: 9px 12px; color: #d9e0ec; text-decoration: none; font-size: 14px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--gold-300); }
.header-cta { padding: 10px 18px !important; margin-left: 8px; color: #08111f !important; background: var(--gold-400); font-weight: 800; }

.hero { position: relative; min-height: 620px; display: grid; align-items: end; overflow: hidden; color: #fff; background: var(--navy-950); }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 55%; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(4, 12, 24, .94) 0%, rgba(4, 12, 24, .72) 43%, rgba(4, 12, 24, .18) 78%), linear-gradient(0deg, rgba(4, 12, 24, .8), transparent 48%); }
.hero-content { position: relative; z-index: 2; padding: 110px 0 78px; max-width: 650px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px; color: var(--gold-300); font-size: 13px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 38px; height: 1px; background: var(--gold-400); }
.hero h1 { margin: 0; max-width: 620px; font-size: clamp(38px, 6vw, 68px); line-height: 1.12; letter-spacing: -.04em; }
.hero-lead { max-width: 580px; margin: 22px 0 0; color: #dbe3ef; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 11px 22px; border: 1px solid transparent; text-decoration: none; font-size: 15px; font-weight: 800; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #08111f; background: var(--gold-400); }
.button-secondary { color: #fff; border-color: rgba(255,255,255,.4); background: rgba(7,16,31,.28); }
.hero-note { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 28px; color: #c6d0df; font-size: 13px; }
.hero-note span::before { content: "✓"; margin-right: 7px; color: var(--gold-400); font-weight: 900; }

.quick-nav { position: relative; z-index: 3; margin-top: -1px; color: #fff; background: var(--navy-900); border-top: 1px solid rgba(240,201,106,.25); }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.quick-grid a { display: block; padding: 22px 26px; border-right: 1px solid rgba(255,255,255,.1); text-decoration: none; }
.quick-grid a:first-child { border-left: 1px solid rgba(255,255,255,.1); }
.quick-grid small { display: block; color: #8898af; font-size: 10px; letter-spacing: .14em; }
.quick-grid strong { display: block; margin-top: 3px; color: #f4f7fb; font-size: 15px; }
.quick-grid a:hover strong { color: var(--gold-300); }

.section { padding: 84px 0; }
.section-soft { background: #ede8de; }
.section-dark { color: #fff; background: var(--navy-950); }
.section-heading { max-width: 720px; margin-bottom: 38px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.section-heading h2 { margin: 0; font-size: clamp(28px, 4vw, 42px); line-height: 1.22; letter-spacing: -.03em; }
.section-heading p { margin: 13px 0 0; color: var(--muted); }
.section-dark .section-heading p { color: #aebad0; }
.kicker { display: block; margin-bottom: 9px; color: #a56c0c; font-size: 12px; font-weight: 900; letter-spacing: .16em; }
.section-dark .kicker { color: var(--gold-400); }

.intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 58px; align-items: center; }
.intro-copy p { margin: 0 0 15px; color: #49566a; }
.intro-panel { padding: 34px; color: #fff; background: var(--navy-900); box-shadow: var(--shadow); }
.intro-panel h3 { margin: 0 0 20px; color: var(--gold-300); font-size: 21px; }
.fact-list { display: grid; gap: 0; margin: 0; }
.fact-row { display: grid; grid-template-columns: 110px 1fr; gap: 18px; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.1); }
.fact-row dt { color: #8fa0b8; font-size: 13px; }
.fact-row dd { margin: 0; color: #f6f8fb; font-size: 14px; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { min-height: 230px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.42); }
.service-number { color: #af7a21; font-family: Georgia, serif; font-size: 34px; line-height: 1; }
.service-card h3 { margin: 28px 0 9px; font-size: 20px; }
.service-card p { margin: 0; color: var(--muted); font-size: 14px; }
.service-card a { display: inline-block; margin-top: 18px; color: #80540a; font-size: 13px; font-weight: 800; text-decoration: none; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 32px 28px; border: 1px solid rgba(240,201,106,.25); background: var(--navy-900); }
.step::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 48px; color: var(--gold-400); font-family: Georgia, serif; font-size: 38px; }
.step h3 { margin: 0 0 9px; font-size: 20px; }
.step p { margin: 0; color: #aebad0; font-size: 14px; }

.notice { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; padding: 34px 38px; border-left: 4px solid var(--gold-500); background: #fff; box-shadow: var(--shadow); }
.notice h2 { margin: 0 0 7px; font-size: 24px; }
.notice p { margin: 0; color: var(--muted); font-size: 14px; }

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 22px 46px 22px 0; cursor: pointer; font-weight: 800; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; color: #a56c0c; font-size: 27px; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { max-width: 850px; margin: -4px 0 22px; color: var(--muted); font-size: 14px; }

.page-hero { padding: 78px 0 66px; color: #fff; background: radial-gradient(circle at 80% 10%, #28466d 0, transparent 34%), var(--navy-950); }
.breadcrumbs { margin-bottom: 30px; color: #9cabc0; font-size: 13px; }
.breadcrumbs a { color: #dbe4f2; text-decoration: none; }
.page-hero h1 { max-width: 800px; margin: 0; font-size: clamp(34px, 5vw, 54px); line-height: 1.2; }
.page-hero p { max-width: 680px; margin: 16px 0 0; color: #bdc8d9; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 52px; align-items: start; }
.article { min-width: 0; }
.article h2 { margin: 42px 0 12px; font-size: 26px; line-height: 1.35; }
.article h2:first-child { margin-top: 0; }
.article h3 { margin: 28px 0 9px; font-size: 19px; }
.article p, .article li { color: #4d5a6e; }
.article ul, .article ol { padding-left: 1.25em; }
.article-note { margin: 28px 0; padding: 22px 24px; border-left: 3px solid var(--gold-500); background: #fff; }
.article-note strong { display: block; margin-bottom: 5px; color: var(--ink); }
.sidebar { position: sticky; top: 100px; padding: 26px; color: #fff; background: var(--navy-900); }
.sidebar h2 { margin: 0 0 8px; color: var(--gold-300); font-size: 20px; }
.sidebar p { margin: 0 0 20px; color: #aebad0; font-size: 13px; }
.sidebar .button { width: 100%; }
.side-links { margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); }
.side-links a { display: block; padding: 7px 0; color: #d7dfeb; font-size: 13px; text-decoration: none; }
.news-list { display: grid; gap: 18px; }
.news-item { padding: 28px; border: 1px solid var(--line); background: #fff; }
.news-item time { color: #9a6a19; font-size: 12px; font-weight: 800; }
.news-item h2 { margin: 9px 0 10px; font-size: 22px; }
.news-item p { margin: 0; color: var(--muted); font-size: 14px; }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.contact-card { padding: 28px; border: 1px solid var(--line); background: #fff; }
.contact-card h2 { margin: 0 0 8px; font-size: 21px; }
.contact-card p { margin: 0 0 20px; color: var(--muted); font-size: 14px; }

.site-footer { padding: 52px 0 24px; color: #d9e0ec; background: var(--navy-950); }
.footer-grid { display: grid; grid-template-columns: 1.25fr .75fr .75fr; gap: 50px; }
.footer-brand p { max-width: 470px; color: #8fa0b8; font-size: 13px; }
.footer-column h2 { margin: 0 0 12px; color: var(--gold-300); font-size: 14px; }
.footer-column a { display: block; padding: 4px 0; color: #aebad0; font-size: 13px; text-decoration: none; }
.footer-bottom { margin-top: 38px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); color: #718199; font-size: 12px; }
.floating-service { position: fixed; right: 22px; bottom: 22px; z-index: 80; display: inline-flex; align-items: center; gap: 8px; padding: 12px 18px; color: #08111f; background: var(--gold-400); box-shadow: 0 16px 34px rgba(7,16,31,.25); font-size: 14px; font-weight: 900; text-decoration: none; }
.mobile-dock { display: none; }

.error-page { min-height: 100vh; display: grid; place-items: center; padding: 30px; color: #fff; text-align: center; background: radial-gradient(circle at 50% 0, #24476f, transparent 42%), var(--navy-950); }
.error-code { color: var(--gold-400); font-family: Georgia, serif; font-size: clamp(80px, 18vw, 170px); line-height: 1; }
.error-page h1 { margin: 8px 0; font-size: 28px; }
.error-page p { margin: 0 0 25px; color: #aebad0; }

@media (max-width: 860px) {
  .site-nav a:not(.header-cta) { display: none; }
  .hero { min-height: 590px; }
  .hero::before { background: linear-gradient(0deg, rgba(4,12,24,.96) 0%, rgba(4,12,24,.64) 72%, rgba(4,12,24,.25)); }
  .hero-content { padding: 110px 0 58px; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-grid, .content-layout { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .step::before { margin-bottom: 24px; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .wrap { width: min(calc(100% - 28px), var(--content)); }
  .header-inner { min-height: 64px; }
  .brand small { display: none; }
  .header-cta { padding: 9px 13px !important; font-size: 13px !important; }
  .hero { min-height: 570px; }
  .hero-content { padding-bottom: 48px; }
  .hero-lead { font-size: 16px; }
  .hero-actions .button { width: 100%; }
  .quick-grid a { padding: 18px 16px; }
  .section { padding: 62px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .notice { grid-template-columns: 1fr; padding: 28px 24px; }
  .notice .button { width: 100%; }
  .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .floating-service { display: none; }
  .mobile-dock { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; display: grid; grid-template-columns: 1fr 1.25fr; padding: 8px max(10px, env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left)); background: rgba(7,16,31,.97); border-top: 1px solid rgba(240,201,106,.22); }
  .mobile-dock a { min-height: 46px; display: grid; place-items: center; color: #dbe3ef; font-size: 13px; font-weight: 800; text-decoration: none; }
  .mobile-dock a:last-child { color: #08111f; background: var(--gold-400); }
  .site-footer { padding-bottom: 88px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}