:root {
  color-scheme: light;
  --ink: #15332f;
  --muted: #5d716c;
  --forest: #064c43;
  --teal: #08747a;
  --sage: #76a982;
  --mist: #edf4ef;
  --paper: #fbf8f4;
  --white: #ffffff;
  --line: #dce7df;
  --accent: #c44a2e;
  --accent-dark: #9e351f;
  --shadow: 0 24px 70px rgba(18, 61, 53, .11);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.75 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--forest); text-underline-offset: 3px; }
a:hover { color: var(--teal); }
a:focus-visible, button:focus-visible { outline: 3px solid #e49a75; outline-offset: 3px; border-radius: 6px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 99; padding: 10px 14px; background: var(--white); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.shell { width: min(1180px, calc(100% - 44px)); margin: 0 auto; }
.site-header { position: relative; z-index: 10; border-bottom: 1px solid rgba(220, 231, 223, .8); background: rgba(251, 248, 244, .94); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand img { width: 62px; height: 38px; object-fit: contain; }
.brand strong { display: block; font-size: 18px; letter-spacing: .04em; }
.brand small { display: block; margin-top: -2px; color: var(--muted); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; gap: 20px; }
.site-nav a { color: var(--muted); font-size: 14px; text-decoration: none; }
.site-nav a:hover { color: var(--forest); }
.button, .site-nav .button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 10px 18px; border-radius: 11px; background: var(--accent); color: var(--white); font-weight: 700; text-decoration: none; box-shadow: 0 9px 24px rgba(196, 74, 46, .2); }
.button:hover, .site-nav .button:hover { background: var(--accent-dark); color: var(--white); }
.button.secondary { border: 1px solid var(--line); background: var(--white); color: var(--forest); box-shadow: none; }
.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 83% 20%, #dcece2 0, transparent 29%), linear-gradient(145deg, #fbf8f4 15%, #f3f7f2 100%); }
.hero::after { position: absolute; right: -160px; bottom: -240px; width: 520px; height: 520px; border: 1px solid rgba(8, 116, 122, .14); border-radius: 50%; content: ""; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 7fr) minmax(320px, 5fr); gap: 68px; align-items: center; min-height: 620px; padding: 86px 0; }
.eyebrow { margin: 0 0 16px; color: var(--teal); font-size: 13px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.025em; }
h1 { max-width: 760px; margin: 0; font-size: clamp(42px, 6.2vw, 72px); }
.hero-lead { max-width: 690px; margin: 24px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 20px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-note { margin: 18px 0 0; color: var(--muted); font-size: 13px; }
.hero-art { padding: 30px; border: 1px solid rgba(255,255,255,.85); border-radius: 32px; background: rgba(255,255,255,.72); box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.hero-art img { width: 100%; max-height: 300px; object-fit: contain; }
.hero-art p { margin: 20px 0 0; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.section { padding: 92px 0; }
.section.alt { background: var(--white); }
.section-head { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 34px; }
.section-head h2 { margin: 0; font-size: clamp(30px, 4vw, 44px); }
.section-head p { max-width: 590px; margin: 0; color: var(--muted); }
.trust-grid, .workflow-grid, .process-grid { display: grid; gap: 16px; }
.trust-grid { grid-template-columns: repeat(4, 1fr); }
.trust-card { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.72); }
.trust-card strong { display: block; margin-bottom: 7px; color: var(--forest); font-size: 17px; }
.trust-card p { margin: 0; color: var(--muted); font-size: 14px; }
.workflow-grid { grid-template-columns: repeat(5, 1fr); }
.workflow-card { min-height: 225px; padding: 24px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: transform .2s ease, box-shadow .2s ease; }
.workflow-card:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(18, 61, 53, .08); }
.workflow-card .number { color: #477b55; font-size: 13px; font-weight: 900; letter-spacing: .13em; }
.workflow-card h3 { margin: 30px 0 10px; font-size: 19px; }
.workflow-card p { margin: 0; color: var(--muted); font-size: 14px; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.case-card { overflow: hidden; margin: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: 0 14px 34px rgba(18, 61, 53, .07); }
.case-image { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background: #e8eeeb; }
.case-image img { position: absolute; top: 50%; width: 300%; max-width: none; transform: translateY(-50%); }
.case-card:nth-child(1) img { left: 0; }
.case-card:nth-child(2) img { left: -100%; }
.case-card:nth-child(3) img { left: -200%; }
.case-card figcaption { padding: 19px 20px 22px; color: var(--muted); font-size: 14px; }
.case-card figcaption strong { display: block; margin-bottom: 4px; color: var(--ink); font-size: 17px; }
.disclosure { margin: 20px 0 0; padding: 16px 18px; border-left: 4px solid var(--sage); background: var(--mist); color: var(--muted); font-size: 14px; }
.process-grid { grid-template-columns: repeat(4, 1fr); counter-reset: step; }
.process-card { position: relative; padding: 28px 22px; border-top: 3px solid var(--sage); background: var(--white); }
.process-card::before { display: block; margin-bottom: 26px; color: var(--teal); font-weight: 800; content: "0" counter(step); counter-increment: step; }
.process-card h3 { margin: 0 0 8px; }
.process-card p { margin: 0; color: var(--muted); font-size: 14px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.boundary, .about-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.boundary h2, .about-card h2 { margin-top: 0; }
.boundary ul { margin: 0; padding-left: 20px; color: var(--muted); }
.boundary li + li { margin-top: 9px; }
.about-card { display: grid; grid-template-columns: 210px 1fr; gap: 34px; align-items: center; }
.about-card img { width: 210px; }
.about-card dl { display: grid; grid-template-columns: 92px 1fr; gap: 9px 16px; margin: 20px 0 0; }
.about-card dt { color: var(--muted); }
.about-card dd { margin: 0; }
.legal-main { min-height: 65vh; padding: 72px 0 96px; }
.legal-card { max-width: 850px; padding: clamp(24px, 5vw, 56px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: 0 18px 50px rgba(18, 61, 53, .06); }
.legal-card h1 { font-size: clamp(34px, 5vw, 52px); }
.legal-card h2 { margin: 42px 0 12px; font-size: 24px; }
.legal-card p, .legal-card li { color: #405853; }
.legal-card .updated { margin: 12px 0 34px; color: var(--muted); font-size: 14px; }
.site-footer { padding: 38px 0; border-top: 1px solid var(--line); background: #f2f6f2; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; }
.footer-brand img { width: 150px; margin-bottom: 14px; }
.footer-brand p, .footer-col p { margin: 5px 0; color: var(--muted); font-size: 13px; }
.footer-col strong { display: block; margin-bottom: 9px; }
.footer-col a { display: block; width: fit-content; margin: 5px 0; color: var(--muted); font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.not-found { display: grid; place-items: center; min-height: 68vh; text-align: center; }
.not-found h1 { font-size: clamp(70px, 16vw, 150px); color: var(--sage); }

@media (max-width: 980px) {
  .site-nav a:not(.button) { display: none; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; gap: 34px; padding: 66px 0; }
  .hero-art { max-width: 600px; }
  .trust-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-card:last-child { grid-column: span 2; min-height: auto; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 30px, 1180px); }
  .header-inner { min-height: 70px; }
  .brand img { width: 50px; }
  .brand small { display: none; }
  .site-nav .button { padding: 9px 12px; font-size: 13px; }
  .hero-grid { padding: 54px 0; }
  .hero-art { padding: 20px; }
  .section { padding: 68px 0; }
  .section-head { display: block; }
  .section-head p { margin-top: 12px; }
  .trust-grid, .workflow-grid, .case-grid, .process-grid, .split, .footer-grid { grid-template-columns: 1fr; }
  .workflow-card, .workflow-card:last-child { grid-column: auto; min-height: auto; }
  .about-card { grid-template-columns: 1fr; }
  .about-card img { width: 170px; }
  .about-card dl { grid-template-columns: 78px 1fr; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-top: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}