:root {
  --navy: #09182d;
  --navy-2: #102744;
  --navy-3: #173557;
  --gold: #c99d45;
  --gold-light: #e4c98e;
  --cream: #f4f0e7;
  --paper: #fbfaf7;
  --ink: #14233a;
  --muted: #667185;
  --line: #dcd8cd;
  --white: #ffffff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.container { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 24, 45, 0.96);
  border-bottom: 1px solid rgba(228, 201, 142, 0.18);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 42px; }
.brand { display: flex; align-items: center; margin-right: auto; }
.brand-logo { display: block; width: auto; height: 54px; object-fit: contain; border-radius: 2px; }
nav { display: flex; gap: 26px; }
nav a { color: rgba(255,255,255,.68); font-size: 14px; transition: color .2s; }
nav a:hover, nav a:focus-visible, nav a[aria-current="location"] { color: var(--gold-light); }
.header-phone { border-left: 1px solid rgba(255,255,255,.18); padding-left: 24px; }
.header-phone span, .header-phone strong { display: block; }
.header-phone span { color: rgba(255,255,255,.5); font-size: 10px; letter-spacing: .15em; }
.header-phone strong { color: var(--gold-light); font-size: 17px; margin-top: 3px; letter-spacing: .04em; }

.hero { position: relative; overflow: hidden; background: var(--navy); color: white; }
.hero::before {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(201,157,69,.2);
  border-radius: 50%;
  right: -240px;
  top: -220px;
  box-shadow: 0 0 0 90px rgba(201,157,69,.03), 0 0 0 180px rgba(201,157,69,.025);
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .12;
  background-image: linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, black, transparent 75%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.35fr .8fr; gap: 72px; align-items: center; min-height: 620px; padding-block: 68px; }
.eyebrow, .section-label { color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow::before, .section-label::before { content: ""; display: inline-block; width: 34px; height: 1px; background: currentColor; margin: 0 12px 4px 0; }
.hero h1 { font-family: "Songti SC", STSong, serif; font-size: clamp(48px, 6vw, 78px); line-height: 1.06; margin: 28px 0; letter-spacing: .01em; }
.hero h1 span { display: block; margin-top: 20px; color: var(--gold-light); font-family: inherit; font-size: clamp(23px, 2.7vw, 36px); font-weight: 500; }
.hero-lead { max-width: 720px; color: rgba(255,255,255,.72); font-size: 17px; line-height: 2; margin: 0; }
.hero-lead strong { color: var(--gold-light); font-weight: 700; }
.hero-actions { display: flex; gap: 14px; margin-top: 36px; }
.button { min-height: 50px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; font-weight: 700; font-size: 14px; border: 1px solid transparent; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-gold { color: var(--navy); background: var(--gold); }
.button-gold:hover { background: var(--gold-light); }
.button-ghost { color: white; border-color: rgba(255,255,255,.28); }
.button-ghost:hover { border-color: var(--gold-light); }
.trust-row { display: flex; flex-wrap: wrap; gap: 0; margin: 38px 0 0; padding: 0; list-style: none; }
.trust-row li { color: rgba(255,255,255,.58); font-size: 12px; letter-spacing: .08em; padding-right: 18px; margin-right: 18px; border-right: 1px solid rgba(255,255,255,.2); }
.trust-row li:last-child { border: 0; }
.hero-panel { background: rgba(16,39,68,.82); border: 1px solid rgba(228,201,142,.25); padding: 34px; backdrop-filter: blur(10px); box-shadow: 0 30px 80px rgba(0,0,0,.22); }
.panel-kicker { color: var(--gold); font-size: 11px; letter-spacing: .18em; margin: 0 0 12px; }
.hero-panel h2 { font-family: "Songti SC", STSong, serif; font-size: 25px; line-height: 1.45; margin: 0 0 25px; }
.hero-panel ul { list-style: none; padding: 0; margin: 0; }
.hero-panel li { display: flex; gap: 16px; align-items: center; color: rgba(255,255,255,.75); padding: 15px 0; border-top: 1px solid rgba(255,255,255,.1); font-size: 14px; }
.hero-panel li span { color: var(--gold); font-size: 11px; }
.verification-panel li { display: grid; grid-template-columns: 28px 1fr; align-items: start; row-gap: 4px; }
.verification-panel li span { grid-row: 1 / 3; padding-top: 3px; }
.verification-panel li strong { color: white; font-size: 14px; }
.verification-panel li small { color: rgba(255,255,255,.5); font-size: 12px; }
.panel-note { margin-top: 22px; padding: 17px 18px; background: rgba(201,157,69,.11); border-left: 2px solid var(--gold); }
.panel-note strong { font-size: 13px; color: var(--gold-light); }
.panel-note p { margin: 6px 0 0; color: rgba(255,255,255,.58); font-size: 12px; line-height: 1.7; }

.key-strip { position: relative; z-index: 2; margin-top: -1px; background: #fff; border-bottom: 1px solid var(--line); }
.key-strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.key-strip-grid > div { position: relative; padding: 25px 24px 25px 34px; border-right: 1px solid var(--line); }
.key-strip-grid > div:first-child { border-left: 1px solid var(--line); }
.key-strip-grid > div::before { content: ""; position: absolute; left: 18px; top: 28px; bottom: 28px; width: 3px; background: var(--gold); }
.key-strip-grid > div:nth-child(2)::before { background: #557d9b; }
.key-strip-grid > div:nth-child(3)::before { background: #4d7a67; }
.key-strip-grid > div:nth-child(4)::before { background: #9b6651; }
.key-strip span, .key-strip strong { display: block; }
.key-strip span { color: var(--muted); font-size: 10px; letter-spacing: .12em; }
.key-strip strong { margin-top: 7px; color: var(--ink); font-size: 15px; }

.definition { background: #eee9df; border-bottom: 1px solid var(--line); }
.definition-grid { display: grid; grid-template-columns: .72fr 1.3fr; gap: 0; padding-block: 46px; align-items: stretch; }
.definition h2, .section-heading h2, .evidence h2, .compliance h2, .deliverables h2, .faq h2, .references h2, .cta-card h2 { font-family: "Songti SC", STSong, serif; }
.definition h2 { font-size: 32px; margin: 14px 0 0; }
.definition-grid > div:first-child { padding: 34px 38px; color: white; background: var(--navy-2); border-left: 4px solid var(--gold); }
.definition-grid > div:first-child .section-label { color: var(--gold-light); }
.definition-copy { border-left: 0; padding: 32px 40px; background: #faf8f3; }
.definition-copy p { font-size: 16px; line-height: 1.95; color: #4f5c6d; margin: 0; }
.definition-copy p + p { margin-top: 12px; }
.definition-copy mark { color: var(--navy); background: linear-gradient(transparent 58%, rgba(201,157,69,.35) 58%); font-weight: 800; }
.definition-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.definition-points span { padding: 10px 13px; background: rgba(255,255,255,.6); border: 1px solid #d8d1c2; color: #536072; font-size: 12px; }
.definition-points b { color: var(--gold); font-family: Georgia, serif; margin-right: 8px; }

.use-cases { color: white; background: var(--navy-2); }
.use-cases-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 72px; align-items: start; }
.use-cases-intro { position: sticky; top: 110px; }
.use-cases-intro h2 { margin: 16px 0 20px; font-family: "Songti SC", STSong, serif; font-size: clamp(34px, 4vw, 46px); line-height: 1.35; }
.use-cases-intro > p:not(.section-label) { margin: 0; color: rgba(255,255,255,.62); font-size: 14px; line-height: 1.9; }
.use-cases-note { margin-top: 26px; padding: 17px 18px; color: #ead9b7; background: rgba(201,157,69,.1); border-left: 3px solid var(--gold); font-size: 12px; line-height: 1.8; }
.use-cases-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.use-cases-list article { display: grid; grid-template-columns: 42px 1fr; gap: 12px; min-height: 154px; padding: 24px 22px; background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.12); }
.use-cases-list article:nth-child(2), .use-cases-list article:nth-child(5) { background: rgba(201,157,69,.08); }
.use-cases-list article > span { width: 34px; height: 34px; display: grid; place-items: center; color: var(--navy-2); background: var(--gold-light); border-radius: 50%; font-family: Georgia, serif; font-size: 10px; }
.use-cases-list h3 { margin: 3px 0 9px; font-size: 16px; line-height: 1.55; }
.use-cases-list p { margin: 0; color: rgba(255,255,255,.53); font-size: 12px; line-height: 1.75; }

.verification { background: var(--paper); }
.risk-banner { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 22px; margin-bottom: 38px; padding: 20px 26px; color: white; background: #712f28; border-left: 6px solid #e0a34e; box-shadow: 0 16px 40px rgba(83,28,23,.13); }
.risk-flag { padding: 8px 11px; color: #552019; background: #f0c06d; font-size: 11px; font-weight: 900; letter-spacing: .12em; white-space: nowrap; }
.risk-banner p { margin: 0; color: rgba(255,255,255,.78); font-size: 14px; line-height: 1.85; }
.risk-banner strong { color: white; }
.verification-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: end; margin-bottom: 32px; }
.verification-heading h2 { margin: 15px 0 0; font-family: "Songti SC", STSong, serif; font-size: clamp(36px, 4.4vw, 52px); line-height: 1.35; }
.verification-heading > p { margin: 0; padding-left: 20px; color: var(--muted); border-left: 3px solid var(--gold); font-size: 15px; line-height: 1.95; }
.verification-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.proof-card { display: grid; grid-template-columns: 44px 1fr; gap: 16px; min-height: 0; padding: 26px 28px; background: white; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-card.proof-primary { color: white; background: var(--navy-2); }
.proof-index { color: var(--gold); font-family: Georgia, serif; font-size: 12px; }
.proof-label { margin: 0 0 12px; color: #7a6b51; font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.proof-card h3 { margin: 0 0 11px; color: var(--navy-2); font-family: "Songti SC", STSong, serif; font-size: 23px; line-height: 1.38; }
.proof-card > div > p:last-child { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.proof-primary .proof-label { color: var(--gold-light); }
.proof-primary h3 { color: white; }
.proof-primary > div > p:last-child { color: rgba(255,255,255,.58); }
.meeting-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 14px; margin-top: 16px; }
.meeting-grid > * { padding: 28px 30px; border: 0; background: #f4f0e7; }
.meeting-intro { color: white; background: var(--navy-2); border-left: 4px solid var(--gold); }
.meeting-intro > span { color: var(--gold-light); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.meeting-intro p { color: rgba(255,255,255,.58); }
.meeting-grid h3 { margin: 17px 0 12px; font-size: 19px; line-height: 1.5; }
.meeting-grid p { color: var(--muted); font-size: 13px; line-height: 1.8; margin: 0; }
.meeting-grid article { position: relative; padding-top: 56px; background: #f7eedc; border-top: 3px solid var(--gold); }
.meeting-grid article:last-child { background: #edf3ef; border-top-color: #4d7a67; }
.meeting-type { position: absolute; top: 25px; left: 30px; color: var(--gold); font-family: Georgia, serif; font-size: 12px; }
.meeting-grid article a { display: inline-flex; gap: 10px; margin-top: 21px; padding-bottom: 5px; color: #7e5e29; border-bottom: 1px solid #c8aa70; font-size: 13px; font-weight: 800; }

.office-proof { margin-top: 44px; padding-top: 40px; border-top: 1px solid var(--line); }
.office-proof-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: end; margin-bottom: 26px; }
.office-proof-heading h2 { margin: 14px 0 0; font-size: clamp(30px, 3.4vw, 40px); line-height: 1.35; }
.office-proof-heading > p { margin: 0; padding-left: 18px; color: var(--muted); border-left: 3px solid var(--gold); font-size: 14px; line-height: 1.9; }
.office-gallery { display: grid; grid-template-columns: 1.55fr .8fr; grid-template-rows: 1fr 1fr; gap: 14px; height: clamp(430px, 42vw, 510px); }
.office-photo { position: relative; min-width: 0; min-height: 0; margin: 0; overflow: hidden; background: var(--navy); }
.office-photo-main { grid-row: 1 / 3; }
.office-photo img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.office-photo:hover img { transform: scale(1.015); }
.office-photo figcaption { position: absolute; inset: auto 0 0; display: grid; grid-template-columns: 32px 1fr; gap: 3px 10px; padding: 38px 22px 18px; color: white; background: linear-gradient(transparent, rgba(7,19,33,.9)); }
.office-photo figcaption span { grid-row: 1 / 3; padding-top: 3px; color: var(--gold-light); font-family: Georgia, serif; font-size: 11px; }
.office-photo figcaption strong { font-size: 15px; }
.office-photo figcaption small { color: rgba(255,255,255,.68); font-size: 11px; line-height: 1.6; }
.office-photo-main figcaption { padding: 60px 28px 24px; }
.office-photo-main figcaption strong { font-size: 18px; }

.section { padding-block: 68px; }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 58px; align-items: end; margin-bottom: 34px; }
.section-heading h2 { font-size: clamp(32px, 4vw, 46px); line-height: 1.3; margin: 14px 0 0; }
.section-heading > p { color: var(--muted); line-height: 1.9; margin: 0; }
.ink-highlight { display: block; color: var(--navy-2); margin-top: 8px; padding-left: 12px; border-left: 3px solid var(--gold); }
.services { background: #f8f7f3; }
.services .section-heading { padding: 30px 36px; color: white; background: var(--navy-2); border-left: 4px solid var(--gold); }
.services .section-heading h2 { color: white; font-size: clamp(30px, 3.4vw, 42px); }
.services .section-heading > p { color: rgba(255,255,255,.62); }
.services .ink-highlight { color: var(--gold-light); }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; border: 0; }
.service-card { position: relative; min-height: 0; padding: 24px 28px 25px 74px; border: 0; background: #fff; transition: background .2s, transform .2s; overflow: hidden; box-shadow: 0 8px 24px rgba(21,35,53,.045); }
.service-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--gold); opacity: .9; }
.service-card:nth-child(2)::before, .service-card:nth-child(5)::before { background: #557d9b; }
.service-card:nth-child(3)::before, .service-card:nth-child(6)::before { background: #4d7a67; }
.service-card:nth-child(2), .service-card:nth-child(5) { background: #f1f5f7; }
.service-card:nth-child(3), .service-card:nth-child(6) { background: #f0f5f2; }
.service-card:hover { background: white; transform: translateY(-3px); box-shadow: 0 18px 46px rgba(14,32,52,.07); }
.card-number { position: absolute; left: 25px; top: 25px; width: 30px; height: 30px; display: grid; place-items: center; color: var(--navy); background: #f0d69c; border-radius: 50%; font-family: Georgia, serif; font-size: 11px; }
.service-card h3 { margin: 0 0 8px; font-family: "Songti SC", STSong, serif; font-size: 21px; }
.service-card p { color: var(--muted); font-size: 15px; line-height: 1.78; margin: 0; }

.evidence { background: var(--navy-2); color: white; }
.evidence-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 72px; align-items: center; }
.section-label.light { color: var(--gold-light); }
.evidence h2 { font-size: clamp(34px, 4vw, 50px); line-height: 1.3; margin: 18px 0 24px; }
.evidence-copy > p:not(.section-label) { color: rgba(255,255,255,.6); line-height: 1.9; }
.text-link { display: inline-flex; gap: 12px; color: var(--gold-light); border-bottom: 1px solid rgba(228,201,142,.4); padding-bottom: 7px; margin-top: 16px; font-size: 14px; }
.evidence-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.evidence-list article { display: grid; grid-template-columns: 62px 1fr; gap: 17px; padding: 23px; border: 1px solid rgba(255,255,255,.13); background: rgba(255,255,255,.035); }
.evidence-list article:nth-child(2), .evidence-list article:nth-child(3) { background: rgba(201,157,69,.07); }
.evidence-list article:last-child { border-bottom: 1px solid rgba(255,255,255,.13); }
.evidence-list > article > span { width: 54px; height: 54px; display: grid; place-items: center; border: 1px solid rgba(201,157,69,.5); color: var(--gold-light); font-family: "Songti SC", serif; }
.evidence-list h3 { font-size: 18px; margin: 0 0 7px; }
.evidence-list p { color: rgba(255,255,255,.52); margin: 0; font-size: 13px; }

.process-section { background: var(--cream); }
.section-heading.compact { margin-bottom: 28px; }
.process-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; list-style: none; margin: 0; padding: 0; border: 0; }
.process-list li { position: relative; min-height: 158px; padding: 24px 25px 22px 70px; background: rgba(255,255,255,.72); border-top: 3px solid var(--gold); }
.process-list li:nth-child(2), .process-list li:nth-child(5) { border-top-color: #557d9b; background: #eef3f5; }
.process-list li:nth-child(3), .process-list li:nth-child(6) { border-top-color: #4d7a67; background: #edf3ef; }
.process-list li::before, .process-list li:not(:last-child)::after { display: none; }
.process-list span { position: absolute; left: 24px; top: 24px; width: 30px; height: 30px; display: grid; place-items: center; color: var(--navy); background: #efd59a; border-radius: 50%; font-family: Georgia, serif; font-size: 11px; }
.process-list h3 { font-size: 17px; margin: 3px 0 10px; }
.process-list p { color: var(--muted); font-size: 13px; line-height: 1.8; margin: 0; }

.compliance { background: #edf0ee; }
.compliance-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: stretch; }
.compliance-title { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: end; padding: 0 0 24px; }
.compliance h2 { font-size: 38px; line-height: 1.35; margin: 14px 0 0; }
.compliance-title > p:last-child { color: var(--muted); line-height: 1.9; }
.boundary-card { padding: 31px 34px; border: 0; background: white; }
.boundary-card.allow { background: #e3efe7; border-left: 6px solid #486f60; }
.boundary-card.deny { background: #f4e6df; border-left: 6px solid #9c513f; }
.boundary-tag { display: inline-block; font-weight: 700; font-size: 14px; margin-bottom: 20px; }
.allow .boundary-tag { padding: 7px 10px; color: white; background: #486f60; }
.deny .boundary-tag { padding: 7px 10px; color: white; background: #9c513f; }
.boundary-card ul { list-style: none; padding: 0; margin: 0; }
.boundary-card li { position: relative; padding: 15px 0 15px 20px; border-top: 1px solid #ece9e1; color: #566273; font-size: 13px; line-height: 1.6; }
.boundary-card li::before { content: "·"; position: absolute; left: 2px; color: var(--gold); font-weight: 900; }

.deliverables { background: #e9edec; }
.deliverable-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 0; }
.deliverable-grid > div { padding: 38px 40px; color: white; background: var(--navy-2); border-left: 4px solid var(--gold); }
.deliverables h2 { color: white; font-size: 39px; line-height: 1.35; margin: 16px 0 20px; }
.deliverable-intro { color: rgba(255,255,255,.58); line-height: 1.9; }
.deliverable-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0; padding: 12px 0 12px 16px; list-style: none; border: 0; }
.deliverable-list li { display: grid; grid-template-columns: 34px 1fr; padding: 18px 17px; border: 0; background: white; }
.deliverable-list li:nth-child(odd) { margin-right: 0; background: #f8f2e7; }
.deliverable-list li:nth-child(3), .deliverable-list li:nth-child(6) { background: #edf3ef; }
.deliverable-list span { color: var(--gold); font-size: 11px; grid-row: 1 / 3; padding-top: 3px; }
.deliverable-list strong { font-size: 16px; }
.deliverable-list small { color: var(--muted); margin-top: 7px; }

.payment { background: #f7f1e5; border-top: 1px solid #e2d9c7; border-bottom: 1px solid #e2d9c7; }
.payment-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 62px; align-items: end; margin-bottom: 32px; }
.payment-heading h2 { font-family: "Songti SC", STSong, serif; font-size: clamp(34px, 4vw, 48px); line-height: 1.32; margin: 15px 0 0; }
.payment-assurance { padding: 24px 26px; background: var(--navy-2); color: white; border-left: 4px solid var(--gold); }
.payment-assurance span, .payment-assurance strong { display: block; }
.payment-assurance span { color: var(--gold-light); font-size: 11px; letter-spacing: .15em; }
.payment-assurance strong { margin-top: 9px; font-size: 18px; }
.payment-assurance p { color: rgba(255,255,255,.58); font-size: 13px; line-height: 1.75; margin: 9px 0 0; }
.payment-example { display: grid; grid-template-columns: .55fr 1.45fr; background: white; border: 1px solid #ded3bf; box-shadow: 0 22px 60px rgba(66,48,20,.06); }
.example-label { padding: 38px 34px; background: var(--navy); color: white; }
.example-label span, .example-label strong, .example-label small { display: block; }
.example-label span { width: max-content; padding: 6px 9px; color: var(--navy); background: var(--gold); font-size: 11px; font-weight: 800; }
.example-label strong { margin-top: 28px; color: var(--gold-light); font-family: Georgia, "Microsoft YaHei", sans-serif; font-size: 27px; line-height: 1.4; }
.example-label small { margin-top: 17px; color: rgba(255,255,255,.48); line-height: 1.7; }
.payment-steps { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; list-style: none; }
.payment-steps li { position: relative; padding: 27px 24px; border-left: 1px solid #e5dfd4; }
.payment-no { color: var(--gold); font-family: Georgia, serif; font-size: 12px; }
.payment-stage { color: var(--muted); font-size: 12px; margin: 18px 0 5px; }
.payment-amount { display: block; min-height: 54px; color: var(--navy-2); font-family: Georgia, "Microsoft YaHei", sans-serif; font-size: 21px; line-height: 1.35; }
.payment-steps li > p:not(.payment-stage) { min-height: 62px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.payment-steps li > b { display: inline-block; margin-top: 10px; padding: 7px 9px; color: #426b59; background: #edf5f0; font-size: 11px; }
.finance-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px; }
.finance-grid article { padding: 28px; background: rgba(255,255,255,.65); border: 1px solid #ded3bf; }
.finance-grid article > span { display: inline-block; padding: 6px 9px; color: #7b5b23; background: #f0e3c6; font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.finance-grid h3 { margin: 19px 0 11px; font-size: 17px; }
.finance-grid p { color: var(--muted); font-size: 13px; line-height: 1.8; margin: 0; }

.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 72px; align-items: start; }
.faq-title { position: sticky; top: 120px; }
.faq h2 { font-size: 39px; line-height: 1.4; margin: 16px 0 22px; }
.faq-title > p:not(.section-label) { color: var(--muted); line-height: 1.8; }
.updated { display: inline-block; margin-top: 20px; color: #687586; font-size: 12px; border: 1px solid var(--line); padding: 8px 11px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 24px; padding: 25px 0; font-size: 16px; font-weight: 700; }
summary::-webkit-details-marker { display: none; }
summary span { color: var(--gold); font-size: 21px; font-weight: 400; transition: transform .2s; }
details[open] summary span { transform: rotate(45deg); }
details > p { color: var(--muted); font-size: 14px; line-height: 1.95; margin: -4px 42px 24px 0; }

.references { padding-block: 55px; background: var(--cream); border-top: 1px solid var(--line); }
.reference-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; }
.references h2 { font-size: 27px; margin: 12px 0 0; }
.reference-links { display: grid; gap: 10px; }
.reference-links a { display: flex; justify-content: space-between; padding: 16px 18px; border: 1px solid #d3ccbd; background: rgba(255,255,255,.4); color: #4a586a; font-size: 13px; }
.reference-links a:hover { border-color: var(--gold); }

.cta-section { background: var(--paper); padding: 52px 0; }
.cta-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 80px; padding: 60px; color: white; background: var(--navy); }
.cta-card::after { content: ""; position: absolute; width: 260px; height: 260px; border: 1px solid rgba(201,157,69,.28); transform: rotate(45deg); right: -150px; bottom: -140px; }
.cta-card h2 { font-size: 36px; line-height: 1.4; margin: 15px 0 14px; }
.cta-card p:not(.section-label) { color: rgba(255,255,255,.55); }
.cta-contact { position: relative; z-index: 1; border-left: 1px solid rgba(255,255,255,.18); padding-left: 45px; }
.cta-contact span, .cta-contact a, .cta-contact small { display: block; }
.cta-contact span { color: var(--gold-light); font-size: 12px; letter-spacing: .16em; }
.cta-contact a { color: white; font-family: Georgia, serif; font-size: 35px; margin: 10px 0 12px; }
.cta-contact small { color: rgba(255,255,255,.48); line-height: 1.7; }

footer { background: #071321; color: white; padding: 40px 0; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 48px; align-items: center; }
.footer-brand { display: flex; gap: 14px; align-items: center; }
.footer-logo { display: block; width: auto; height: 44px; object-fit: contain; border-radius: 2px; }
.footer-brand strong, .footer-brand small { display: block; }
.footer-brand strong { font-size: 14px; }
.footer-brand small { color: rgba(255,255,255,.43); margin-top: 6px; font-size: 11px; }
.footer-info p, .footer-legal p { color: rgba(255,255,255,.48); font-size: 12px; margin: 6px 0; }
.footer-info a, .footer-legal a { color: var(--gold-light); }
.footer-legal { text-align: right; }
.footer-legal a { font-size: 12px; }
.mobile-bar { display: none; }

@media (max-width: 980px) {
  nav { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 42px; padding-block: 60px; }
  .hero-panel { max-width: 640px; }
  .definition-grid, .evidence-grid, .deliverable-grid, .faq-grid { grid-template-columns: 1fr; gap: 45px; }
  .use-cases-layout { grid-template-columns: 1fr; gap: 34px; }
  .use-cases-intro { position: static; }
  .definition-grid, .deliverable-grid { gap: 0; }
  .verification-heading { grid-template-columns: 1fr; gap: 30px; }
  .meeting-grid { grid-template-columns: 1fr 1fr; }
  .meeting-intro { grid-column: 1 / -1; }
  .office-proof-heading { grid-template-columns: 1fr; gap: 22px; }
  .office-gallery { height: auto; grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; }
  .office-photo { aspect-ratio: 3 / 2; }
  .office-photo-main { grid-column: 1 / -1; grid-row: auto; }
  .key-strip-grid { grid-template-columns: 1fr 1fr; }
  .payment-heading, .payment-example { grid-template-columns: 1fr; gap: 30px; }
  .payment-example { gap: 0; }
  .definition-copy { border-left: 0; border-top: 1px solid #c9c2b1; padding: 30px 34px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .finance-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: repeat(3, 1fr); row-gap: 24px; }
  .compliance-grid { grid-template-columns: 1fr 1fr; }
  .compliance-title { grid-column: 1 / -1; max-width: none; }
  .faq-title { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-legal { grid-column: 1 / -1; text-align: left; border-top: 1px solid rgba(255,255,255,.1); padding-top: 18px; }
}

@media (max-width: 680px) {
  html { scroll-padding-top: 72px; }
  body { padding-bottom: 68px; }
  .container { width: min(100% - 32px, var(--max)); }
  .site-header { position: relative; }
  .header-inner { min-height: 70px; }
  .brand-logo { height: 46px; }
  .header-phone { display: none; }
  .hero-inner { min-height: auto; padding-block: 54px; }
  .hero h1 { font-size: 47px; }
  .hero h1 span { font-size: 22px; line-height: 1.5; }
  .hero-lead { font-size: 15px; line-height: 1.9; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .trust-row { gap: 10px 0; }
  .trust-row li { width: 50%; margin: 0; padding: 0; border: 0; }
  .hero-panel { padding: 26px 22px; }
  .key-strip-grid { grid-template-columns: 1fr 1fr; }
  .key-strip-grid > div { padding: 20px 14px 20px 28px; }
  .key-strip-grid > div:first-child { border-left: 0; }
  .key-strip-grid > div:nth-child(odd) { border-left: 1px solid var(--line); }
  .key-strip strong { font-size: 13px; }
  .definition-grid { padding-block: 38px; gap: 0; }
  .definition-grid > div:first-child { padding: 28px 25px; }
  .definition-copy { padding: 25px; }
  .risk-banner { grid-template-columns: 1fr; gap: 14px; margin-bottom: 42px; padding: 22px; }
  .risk-flag { width: max-content; }
  .verification-heading h2 { font-size: 35px; }
  .verification-heading > p { padding-left: 15px; }
  .verification-grid { grid-template-columns: 1fr; }
  .proof-card { min-height: 0; padding: 26px 22px; grid-template-columns: 38px 1fr; }
  .proof-card h3 { font-size: 19px; }
  .meeting-grid { grid-template-columns: 1fr; }
  .meeting-intro { grid-column: auto; }
  .office-proof { margin-top: 34px; padding-top: 32px; }
  .office-proof-heading h2 { font-size: 31px; }
  .office-proof-heading > p { padding-left: 14px; }
  .office-gallery { grid-template-columns: 1fr; gap: 10px; }
  .office-photo-main { grid-column: auto; }
  .office-photo figcaption, .office-photo-main figcaption { padding: 42px 18px 16px; }
  .office-photo figcaption strong, .office-photo-main figcaption strong { font-size: 15px; }
  .definition h2 { font-size: 28px; }
  .definition-copy p { font-size: 14px; }
  .use-cases-intro h2 { font-size: 34px; }
  .use-cases-list { grid-template-columns: 1fr; }
  .use-cases-list article { min-height: 0; padding: 22px 19px; }
  .section { padding-block: 54px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; margin-bottom: 28px; }
  .section-heading h2 { font-size: 34px; }
  .service-grid { grid-template-columns: 1fr; }
  .services .section-heading { padding: 25px 22px; }
  .service-card { min-height: auto; padding: 22px 20px 23px 66px; }
  .service-card h3 { margin-top: 0; }
  .card-number { left: 21px; top: 22px; }
  .evidence-grid { gap: 40px; }
  .evidence h2 { font-size: 36px; }
  .evidence-list { grid-template-columns: 1fr; }
  .evidence-list article { grid-template-columns: 60px 1fr; gap: 15px; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li:not(:last-child)::after { display: none; }
  .compliance-grid { grid-template-columns: 1fr; }
  .compliance-title { grid-column: auto; grid-template-columns: 1fr; gap: 18px; padding-right: 0; }
  .compliance h2, .deliverables h2, .faq h2 { font-size: 33px; }
  .deliverable-list { grid-template-columns: 1fr; }
  .deliverable-list li:nth-child(odd) { margin-right: 0; }
  .deliverable-grid { gap: 0; }
  .deliverable-grid > div { padding: 30px 25px; }
  .deliverable-list { padding: 12px 0 0; }
  .faq-grid { gap: 35px; }
  .payment-heading { gap: 26px; }
  .payment-heading h2 { font-size: 34px; }
  .payment-assurance { padding: 21px; }
  .example-label { padding: 30px 24px; }
  .payment-steps { grid-template-columns: 1fr; }
  .payment-steps li { border-left: 0; border-top: 1px solid #e5dfd4; }
  .payment-amount, .payment-steps li > p:not(.payment-stage) { min-height: 0; }
  .reference-inner { grid-template-columns: 1fr; gap: 30px; }
  .cta-card { grid-template-columns: 1fr; gap: 35px; padding: 38px 26px; }
  .cta-card h2 { font-size: 30px; }
  .cta-contact { border-left: 0; border-top: 1px solid rgba(255,255,255,.18); padding: 28px 0 0; }
  .cta-contact a { font-size: 29px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-legal { grid-column: auto; }
  .mobile-bar { position: fixed; z-index: 60; left: 0; right: 0; bottom: 0; height: 68px; padding: 9px 14px; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: rgba(7,19,33,.98); border-top: 1px solid rgba(201,157,69,.35); color: white; }
  .mobile-bar span, .mobile-bar strong { display: block; }
  .mobile-bar span { color: rgba(255,255,255,.5); font-size: 10px; }
  .mobile-bar strong { color: var(--gold-light); font-size: 15px; margin-top: 3px; }
  .mobile-bar a { color: var(--navy); background: var(--gold); padding: 12px 18px; font-weight: 800; font-size: 13px; }
}

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