:root {
  color-scheme: light;
  --brand: #6657e8;
  --brand-deep: #4c3bb9;
  --ink: #232135;
  --muted: #625e76;
  --line: #dedbe9;
  --surface: #f5f3fc;
  --white: #ffffff;
  --z-header: 10;
  --z-skip: 20;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif; -webkit-font-smoothing: antialiased; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, ul, ol, dl, dd { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
svg { display: block; max-width: 100%; }
::selection { background: #dcd7ff; color: var(--ink); }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 5px; border-radius: 3px; }
.container { width: min(1184px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: var(--z-skip); padding: 12px 18px; background: var(--white); color: var(--brand-deep); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: var(--z-header); background: var(--white); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; background: var(--brand); color: var(--white); font-size: 23px; font-weight: 700; line-height: 1; }
.brand-name { color: var(--ink); font-size: 19px; font-weight: 700; line-height: 1.3; }
.brand-description { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; font-weight: 400; }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 38px); }
.site-nav a { display: flex; align-items: center; min-height: 44px; font-size: 14px; color: var(--muted); transition: color .2s ease-out; }
.site-nav a:hover { color: var(--brand-deep); }

.hero { overflow: hidden; background: var(--brand-deep); color: var(--white); }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(24px, 4vw, 64px); align-items: center; min-height: 588px; padding-block: clamp(60px, 7vw, 100px); }
.hero-copy { min-width: 0; }
.hero-label { margin-bottom: 24px; color: #e0dafc; font-size: 15px; }
.hero h1 { font-size: clamp(38px, 4.3vw, 62px); font-weight: 650; line-height: 1.25; letter-spacing: -.025em; }
.hero-description { max-width: 42em; margin-top: 28px; color: #e0dafc; font-size: 16px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 48px; padding: 12px 20px; border-radius: 7px; font-size: 14px; font-weight: 650; transition: background-color .2s ease-out, transform .2s ease-out; }
.button-light { color: var(--brand-deep); background: var(--white); }
.button-light:hover { background: #ece8ff; transform: translateY(-2px); }
.hero-secondary { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--white); font-size: 14px; }
.hero-secondary:hover { text-decoration: underline; text-underline-offset: 5px; }
.hero a:focus-visible { outline-color: var(--white); }
.hero-visual { min-width: 0; animation: map-arrive .7s cubic-bezier(.16, 1, .3, 1) both; }
.service-map { width: 100%; overflow: visible; font-family: inherit; }
.map-lines { color: #8e7bdd; }
.map-center { color: #eeeaff; }
.map-core-text { fill: var(--brand-deep); font-size: 19px; font-weight: 700; }
.map-core-subtitle { fill: #5e4caa; font-size: 12px; }
.map-node rect { fill: #5a47c3; stroke: #aa9ae8; stroke-width: 1; }
.map-node text { fill: var(--white); font-size: 17px; font-weight: 600; }
.map-node text.map-node-subtitle { fill: #e4defb; font-size: 11px; font-weight: 400; }
.visual-caption { margin-top: 12px; text-align: center; color: #e0dafc; font-size: 12px; }

.section { padding-block: clamp(64px, 7.5vw, 104px); scroll-margin-top: 20px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; margin-bottom: 52px; }
.section h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 650; line-height: 1.4; letter-spacing: -.02em; }
.section-heading > p { max-width: 33em; color: var(--muted); font-size: 15px; line-height: 1.9; }
.service-row { display: grid; grid-template-columns: .9fr 1.5fr; align-items: start; gap: 48px; padding-block: 30px; border-top: 1px solid var(--line); }
.service-row:last-child { padding-bottom: 0; }
.service-row h3 { font-size: 22px; font-weight: 650; line-height: 1.6; }
.service-row p { max-width: 42em; color: var(--muted); font-size: 15px; line-height: 1.85; }
.service-tags { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 16px; padding: 0; list-style: none; }
.service-tags li { display: inline-flex; align-items: center; gap: 7px; color: var(--brand-deep); font-size: 12px; }
.service-tags li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--brand); }
.process { border-top: 1px solid var(--line); background: var(--surface); }
.process-list { display: flex; flex-wrap: wrap; gap: 32px; padding: 0; list-style: none; }
.process-list li { flex: 1 1 210px; min-width: 0; }
.step-number { display: inline-block; margin-bottom: 20px; color: var(--brand-deep); font-size: 28px; font-weight: 500; line-height: 1.2; font-variant-numeric: tabular-nums; }
.process-list h3 { margin-bottom: 12px; font-size: 19px; font-weight: 650; }
.process-list p { max-width: 24em; color: var(--muted); font-size: 14px; line-height: 1.85; }
.company-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 8vw, 120px); align-items: start; }
.company-copy > p { max-width: 35em; margin-top: 24px; color: var(--muted); font-size: 15px; line-height: 1.95; }
.company-facts { margin-top: 6px; }
.company-facts > div { display: grid; grid-template-columns: 138px 1fr; gap: 18px; padding-block: 20px; border-bottom: 1px solid var(--line); }
.company-facts > div:first-child { padding-top: 0; }
.company-facts dt { color: var(--muted); font-size: 13px; }
.company-facts dd { min-width: 0; color: var(--ink); font-size: 14px; font-weight: 550; overflow-wrap: anywhere; }
.credit-code { font-variant-numeric: tabular-nums; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 24px; color: var(--muted); font-size: 12px; }
.footer-inner a { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; }
.footer-inner a:hover { color: var(--brand-deep); }
.error-page { min-height: 100svh; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 24px; padding-block: 48px; }
.error-page h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.4; }
.error-page p { color: var(--muted); font-size: 15px; }
.button-brand { color: var(--white); background: var(--brand-deep); }
.button-brand:hover { background: var(--brand); }

@keyframes map-arrive { from { transform: translateY(12px); opacity: .7; } to { transform: translateY(0); opacity: 1; } }

@media (max-width: 1000px) {
  .container { width: calc(100% - 56px); }
  .hero-inner { min-height: 500px; grid-template-columns: 1.15fr 1fr; gap: 16px; }
  .hero h1 { font-size: clamp(32px, 4.4vw, 44px); }
  .hero-description { font-size: 15px; }
  .desktop-break { display: none; }
  .hero-actions { gap: 14px 24px; }
  .section-heading { align-items: flex-start; gap: 32px; }
  .service-row { grid-template-columns: 1fr 1.6fr; gap: 32px; }
  .process-list { gap: 32px 48px; }
  .process-list li { flex-basis: calc(50% - 24px); }
  .company-inner { gap: 40px; }
  .company-facts > div { grid-template-columns: 1fr; gap: 6px; padding-block: 15px; }
}

@media (max-width: 680px) {
  html { scroll-padding-top: 132px; }
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 112px; flex-wrap: wrap; gap: 4px; padding-block: 12px 6px; }
  .brand-mark { width: 36px; height: 36px; font-size: 21px; border-radius: 9px; }
  .brand-name { font-size: 17px; }
  .brand-description { font-size: 10px; }
  .site-nav { width: 100%; justify-content: space-between; gap: 16px; }
  .site-nav a { font-size: 13px; min-height: 44px; }
  .hero-inner { grid-template-columns: 1fr; gap: 26px; padding-block: 48px 32px; }
  .hero-label { margin-bottom: 20px; font-size: 13px; }
  .hero h1 { font-size: clamp(32px, 7.7vw, 44px); line-height: 1.3; letter-spacing: -.02em; }
  .hero-description { margin-top: 22px; font-size: 14px; line-height: 1.9; }
  .hero-actions { margin-top: 28px; gap: 12px 22px; }
  .button { font-size: 13px; padding: 12px 16px; gap: 18px; }
  .hero-secondary { font-size: 13px; }
  .hero-visual { width: min(400px, 100%); margin-inline: auto; }
  .map-node text { font-size: 22px; transform: translateY(10px); }
  .map-core-text { font-size: 23px; transform: translateY(10px); }
  .map-node text.map-node-subtitle, .map-core-subtitle { display: none; }
  .visual-caption { margin-top: 0; font-size: 11px; }
  .section { padding-block: 58px; }
  .section-heading { display: block; margin-bottom: 30px; }
  .section h2 { font-size: 28px; }
  .section-heading > p { margin-top: 16px; font-size: 14px; }
  .service-row { grid-template-columns: 1fr; gap: 12px; padding-block: 24px; }
  .service-row h3 { font-size: 19px; }
  .service-row p { font-size: 14px; }
  .service-tags { margin-top: 12px; gap: 8px 18px; }
  .service-tags li { font-size: 11px; }
  .process-list { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .step-number { margin-bottom: 14px; font-size: 25px; }
  .process-list h3 { margin-bottom: 8px; font-size: 17px; }
  .process-list p { font-size: 13px; }
  .company-inner { grid-template-columns: 1fr; gap: 30px; }
  .company-copy > p { font-size: 14px; margin-top: 18px; }
  .company-facts > div { grid-template-columns: 126px 1fr; gap: 14px; padding-block: 17px; }
  .company-facts dd { font-size: 13px; }
  .company-facts dt { font-size: 12px; }
  .footer-inner { align-items: flex-start; padding-block: 18px; gap: 12px; }
  .footer-inner p { padding-top: 12px; font-size: 11px; }
  .footer-inner a { gap: 6px; white-space: nowrap; font-size: 11px; }
}

@media (max-width: 360px) {
  .container { width: calc(100% - 32px); }
  .hero h1 { font-size: 30px; }
  .process-list { grid-template-columns: 1fr; gap: 26px; }
  .process-list li { display: grid; grid-template-columns: 42px 1fr; gap: 0 14px; }
  .step-number { grid-row: span 2; margin-bottom: 0; font-size: 23px; }
  .company-facts > div { grid-template-columns: 1fr; gap: 6px; }
  .footer-inner { flex-wrap: wrap; gap: 0; }
  .footer-inner p { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-visual { animation: none; }
  .button, .site-nav a { transition: none; }
  .button-light:hover { transform: none; }
}