:root {
  --ink: #17131d;
  --ink-soft: #40394a;
  --purple: #28183d;
  --purple-deep: #170f25;
  --teal: #0d6f70;
  --teal-light: #dceceb;
  --gold: #bb985e;
  --ivory: #f7f5ef;
  --paper: #fffefa;
  --line: #ded9d0;
  --white: #ffffff;
  --max: 1180px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
html[lang="zh-Hans"] body { font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", var(--sans); }
html[lang="zh-Hans"] h1,
html[lang="zh-Hans"] h2,
html[lang="zh-Hans"] h3 { font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif; letter-spacing: 0; }
a { color: inherit; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
:focus-visible { outline: 3px solid #72c7c4; outline-offset: 3px; }

.skip-link {
  position: fixed; left: 1rem; top: -5rem; z-index: 100;
  background: var(--white); color: var(--purple); padding: .75rem 1rem;
}
.skip-link:focus { top: 1rem; }
.container { width: min(calc(100% - 2.5rem), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 2.5rem), 780px); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,254,250,.96); border-bottom: 1px solid rgba(222,217,208,.75);
  backdrop-filter: blur(14px);
}
.nav-wrap { min-height: 78px; display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; align-items: center; text-decoration: none; flex: 0 0 auto; }
.brand-logo { display: block; width: 190px; height: auto; }
.footer-brand { width: max-content; max-width: 100%; background: var(--white); padding: .25rem .45rem; }
.footer-brand .brand-logo { width: 205px; }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 1.4rem; }
.main-nav a { text-decoration: none; font-size: .9rem; font-weight: 650; color: #332b3b; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--teal); }
.nav-cta { padding: .7rem 1rem; border: 1px solid var(--purple); background: var(--purple); color: var(--white) !important; }
.language-switch { border-left: 1px solid var(--line); padding-left: 1rem; color: var(--teal) !important; white-space: nowrap; }
.menu-button { display: none; margin-left: auto; border: 0; background: transparent; padding: .6rem; color: var(--purple); }
.menu-button svg { width: 28px; height: 28px; }

.eyebrow { margin: 0 0 .8rem; color: var(--teal); letter-spacing: .14em; text-transform: uppercase; font-size: .76rem; font-weight: 800; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.12; color: var(--purple); }
h1 { font-size: clamp(2.65rem, 6.8vw, 5.5rem); letter-spacing: -.04em; margin: 0; }
h2 { font-size: clamp(2rem, 4.6vw, 3.35rem); letter-spacing: -.025em; margin: 0; }
h3 { font-size: 1.45rem; margin: 0; }
.lead { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--ink-soft); max-width: 700px; }

.hero {
  position: relative; overflow: hidden; color: var(--white);
  background: linear-gradient(125deg, var(--purple-deep) 0%, #2d1b45 70%, #183a40 125%);
  padding: clamp(5rem, 10vw, 8.5rem) 0 4.3rem;
}
.hero::after {
  content: ""; position: absolute; width: 46vw; height: 46vw; min-width: 430px; min-height: 430px;
  border: 1px solid rgba(187,152,94,.23); transform: rotate(28deg); right: -17vw; top: -21vw;
  box-shadow: 0 0 0 68px rgba(187,152,94,.05), 0 0 0 150px rgba(15,116,116,.045);
}
.hero .container { position: relative; z-index: 1; }
.hero h1, .hero .lead { color: var(--white); }
.hero h1 { max-width: 920px; }
.hero .lead { color: #e8e1ee; margin: 1.5rem 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 48px;
  padding: .78rem 1.15rem; border: 1px solid transparent; text-decoration: none; font-weight: 740; font-size: .92rem;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--teal); color: var(--white); }
.button-primary:hover { background: #095d5e; }
.button-light { border-color: rgba(255,255,255,.56); color: var(--white); background: rgba(255,255,255,.04); }
.button-dark { background: var(--purple); color: var(--white); }
.trust-line { display: flex; flex-wrap: wrap; gap: .55rem 1.5rem; margin-top: 4rem; color: #d9d0e1; font-size: .86rem; }
.trust-line span::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); margin-right: .6rem; vertical-align: middle; }

.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section-ivory { background: var(--ivory); }
.section-dark { background: var(--purple); color: var(--white); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-head { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 2rem 5rem; align-items: end; margin-bottom: 3rem; }
.section-head p { margin: 0; color: var(--ink-soft); }
.section-dark .section-head p { color: #ddd4e4; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service-card { display: flex; min-height: 220px; flex-direction: column; background: var(--paper); padding: 2rem; text-decoration: none; transition: background .2s ease, color .2s ease; }
.service-card:hover { background: var(--purple); color: var(--white); }
.service-card:hover h3, .service-card:hover p, .service-card:hover .text-link { color: var(--white); }
.service-card .number { color: var(--gold); font-family: var(--serif); margin-bottom: 2rem; }
.service-card p { color: var(--ink-soft); margin: .65rem 0 1.5rem; }
.text-link { color: var(--teal); font-weight: 760; margin-top: auto; text-decoration: none; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 7vw, 7rem); align-items: start; }
.rule-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.rule-list li { display: flex; gap: 1rem; align-items: baseline; border-bottom: 1px solid var(--line); padding: 1rem 0; }
.rule-list li::before { content: ""; flex: 0 0 7px; height: 7px; background: var(--teal); }
.steps { counter-reset: item; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.15); }
.step { counter-increment: item; padding: 1.4rem; background: var(--purple); min-height: 180px; }
.step::before { content: "0" counter(item); display: block; color: var(--gold); font-family: var(--serif); margin-bottom: 2.2rem; }
.step strong { display: block; color: var(--white); }
.step span { color: #d9d0df; font-size: .88rem; }

.report-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.report-card { display: grid; grid-template-columns: 180px 1fr auto; gap: 2rem; align-items: center; padding: 1.7rem 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.report-card:hover h3 { color: var(--teal); }
.report-meta { color: var(--teal); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 780; }
.report-card p { color: var(--ink-soft); margin: .35rem 0 0; }
.arrow { font-size: 1.5rem; color: var(--gold); }

.page-hero { padding: clamp(4.5rem, 9vw, 7.5rem) 0 3.5rem; background: var(--ivory); border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 920px; font-size: clamp(2.7rem, 6vw, 4.8rem); }
.page-hero .lead { margin: 1.4rem 0 0; }
.breadcrumbs { font-size: .82rem; color: var(--teal); margin-bottom: 1.4rem; }
.breadcrumbs a { text-decoration: none; }
.service-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 5rem; align-items: start; }
.service-copy h2 { font-size: 2.2rem; margin-top: 3.5rem; }
.service-copy h2:first-child { margin-top: 0; }
.service-copy p { color: var(--ink-soft); }
.aside-card { position: sticky; top: 105px; padding: 1.7rem; background: var(--purple); color: var(--white); }
.aside-card h3 { color: var(--white); }
.aside-card p { color: #ded4e4; font-size: .92rem; }
.aside-card .button { width: 100%; margin-top: .5rem; }
.pill-list { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }
.pill { border: 1px solid var(--line); padding: .45rem .7rem; color: var(--ink-soft); background: var(--white); font-size: .88rem; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 5rem; }
.contact-details { padding: 2rem; background: var(--purple); color: var(--white); }
.contact-details h2 { color: var(--white); font-size: 2rem; }
.contact-details a { color: var(--white); }
.contact-details address { font-style: normal; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: grid; gap: .42rem; }
.field-full { grid-column: 1 / -1; }
label { font-weight: 700; font-size: .9rem; }
input, textarea, select { width: 100%; border: 1px solid #bdb6c3; background: var(--white); padding: .82rem; color: var(--ink); border-radius: 0; }
textarea { min-height: 150px; resize: vertical; }
.form-note { font-size: .82rem; color: var(--ink-soft); }
.status { min-height: 1.5rem; color: var(--teal); font-weight: 700; }

.notice { padding: 1.2rem 1.35rem; border-left: 3px solid var(--gold); background: var(--ivory); color: var(--ink-soft); }
.prose h2 { font-size: 2rem; margin-top: 2.5rem; }
.prose h3 { margin-top: 2rem; }

.cta-band { display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.cta-band h2 { max-width: 700px; }
.site-footer { background: #120c1d; color: #d9d2dd; padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 3rem; }
.site-footer h3 { font-family: var(--sans); color: var(--white); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 800; }
.site-footer ul { list-style: none; padding: 0; margin: 1rem 0 0; }
.site-footer li { margin: .45rem 0; }
.site-footer a { color: #d9d2dd; text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.footer-bottom { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.14); display: flex; justify-content: space-between; gap: 1rem; font-size: .78rem; color: #aaa0b3; }

@media (max-width: 920px) {
  .menu-button { display: inline-grid; place-items: center; }
  .main-nav { position: absolute; display: none; inset: 78px 0 auto; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: .7rem 1.25rem 1.25rem; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: .75rem 0; }
  .language-switch { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; margin-top: .35rem; }
  .nav-cta { text-align: center; padding: .75rem !important; margin-top: .4rem; }
  .section-head, .split, .contact-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .service-layout { grid-template-columns: 1fr; gap: 3rem; }
  .aside-card { position: static; }
  .report-card { grid-template-columns: 135px 1fr auto; }
}

@media (max-width: 620px) {
  .container, .narrow { width: min(calc(100% - 2rem), var(--max)); }
  .hero { padding-top: 4.2rem; }
  .hero h1 { font-size: clamp(2.5rem, 13vw, 3.6rem); }
  .trust-line { display: grid; gap: .6rem; margin-top: 3rem; }
  .grid-3, .steps, .form-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 190px; }
  .report-card { grid-template-columns: 1fr auto; gap: .35rem 1rem; }
  .report-meta { grid-column: 1 / -1; }
  .cta-band, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .brand-logo { width: 158px; }
}

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