:root {
  --warm: #f3f1ec;
  --soft: #f5f4f0;
  --graphite: #171a1f;
  --ink: #1a1a1a;
  --cyan: #6ea9b6;
  --cyan-2: #7daeb7;
  --muted: #686862;
  --line: rgba(183, 176, 165, 0.45);
  --display: "Aptos Display", "Segoe UI Variable Display", "Helvetica Neue", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --body: "Aptos", "Segoe UI Variable Text", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--warm); color: var(--ink); font-family: var(--body); line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 18px; top: 18px; z-index: 20; padding: 10px 14px; background: var(--soft); }

.site-header { position: absolute; z-index: 5; top: 24px; left: clamp(20px, 3.2vw, 56px); right: clamp(20px, 3.2vw, 56px); min-height: 66px; padding: 12px 18px; border: 1px solid rgba(245, 244, 240, 0.32); border-radius: 14px; background: rgba(23, 26, 31, 0.28); backdrop-filter: blur(20px) saturate(0.88); -webkit-backdrop-filter: blur(20px) saturate(0.88); box-shadow: 0 14px 40px rgba(0, 0, 0, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.06); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; color: var(--soft); }
.site-brand { justify-self: center; text-align: center; }
.site-brand strong { display: block; padding-left: 0.24em; font: 600 21px/1 var(--display); letter-spacing: 0.24em; }
.site-brand small { display: block; margin-top: 6px; color: rgba(245, 244, 240, 0.72); font-size: 9px; letter-spacing: 0.28em; }
.site-nav { display: flex; align-items: center; gap: 18px; font-size: 12px; letter-spacing: 0.08em; }
.site-nav:last-child { justify-content: flex-end; }
.site-nav a { color: rgba(245, 244, 240, 0.84); }
.site-nav a:hover { color: #fff; }
.site-nav .quiet-action { padding: 7px 13px; border: 1px solid rgba(245, 244, 240, 0.34); border-radius: 999px; }

.page-hero { position: relative; min-height: 570px; overflow: hidden; background: var(--graphite); color: var(--soft); display: flex; align-items: flex-end; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(23, 26, 31, 0.96), rgba(23, 26, 31, 0.76) 56%, rgba(23, 26, 31, 0.5)), url("/assets/hero-desktop.webp") center / cover no-repeat; }
.page-hero::after { content: ""; position: absolute; right: -18vw; bottom: -32vw; width: 54vw; height: 54vw; border: 1px solid rgba(110, 169, 182, 0.2); border-radius: 50%; box-shadow: 0 0 0 52px rgba(110, 169, 182, 0.025), 0 0 0 104px rgba(110, 169, 182, 0.018); }
.hero-inner { position: relative; z-index: 1; width: min(1180px, 100%); margin: 0 auto; padding: 170px clamp(20px, 7vw, 80px) 76px; }
.kicker { color: var(--cyan-2); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; }
.hero-inner h1 { max-width: 920px; margin: 20px 0 24px; font: 400 clamp(42px, 5.8vw, 78px) / 1.08 var(--display); letter-spacing: -0.04em; text-wrap: balance; }
.hero-inner > p { max-width: 760px; margin: 0; color: rgba(245, 244, 240, 0.76); font-size: 18px; line-height: 1.9; }

.breadcrumb { max-width: 980px; margin: 0 auto; padding: 22px 24px 0; color: var(--muted); font-size: 12px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: var(--line); }
.content { max-width: 980px; margin: 0 auto; padding: 72px 24px 112px; }
.content-lead { max-width: 820px; margin: 0 0 70px; color: #30302e; font-size: 20px; line-height: 1.9; }
.article-section { display: grid; grid-template-columns: minmax(180px, 0.34fr) minmax(0, 0.66fr); gap: clamp(32px, 7vw, 90px); padding: 44px 0; border-top: 1px solid var(--line); }
.article-section h2 { margin: 0; font: 400 clamp(28px, 3.8vw, 44px) / 1.2 var(--display); letter-spacing: -0.025em; }
.article-copy p { margin: 0 0 20px; color: var(--muted); font-size: 16px; line-height: 1.95; }
.article-copy p:last-child { margin-bottom: 0; }
.article-copy h3 { margin: 28px 0 10px; font: 400 23px/1.35 var(--display); }
.article-copy ul { margin: 0; padding-left: 1.2em; color: var(--muted); }
.article-copy li { margin: 8px 0; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 30px 0 0; background: var(--line); border: 1px solid var(--line); }
.fact { min-height: 145px; padding: 22px; background: var(--soft); }
.fact span { color: var(--cyan); font-size: 10px; letter-spacing: 0.12em; }
.fact strong { display: block; margin-top: 35px; font-size: 17px; font-weight: 400; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { padding: 24px 0; border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0 0 9px; font: 400 22px/1.4 var(--display); }
.faq-item p { margin: 0; color: var(--muted); }
.case-list { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 18px; margin-top: 38px; }
.case-tile { position: relative; min-height: 430px; overflow: hidden; background: #c4bdb3; }
.case-tile.small { min-height: 206px; }
.case-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.case-tile::after { content: ""; position: absolute; inset: 48% 0 0; background: linear-gradient(transparent, rgba(23, 26, 31, 0.8)); }
.case-meta { position: absolute; z-index: 1; left: 22px; right: 22px; bottom: 20px; color: var(--soft); }
.case-meta span { color: var(--cyan-2); font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; }
.case-meta h2 { margin: 5px 0 0; font: 400 27px/1.2 var(--display); }
.case-stack { display: grid; gap: 18px; }

.closing { padding: 80px 24px; background: var(--graphite); color: var(--soft); text-align: center; }
.closing h2 { margin: 0; font: 400 clamp(34px, 5vw, 60px) / 1.15 var(--display); }
.closing p { max-width: 650px; margin: 20px auto 0; color: rgba(245, 244, 240, 0.66); }
.actions { display: flex; justify-content: center; gap: 12px; margin-top: 30px; }
.action { min-width: 142px; padding: 11px 20px; border: 1px solid rgba(245, 244, 240, 0.34); border-radius: 999px; color: var(--soft); font-size: 12px; letter-spacing: 0.08em; }
.action:hover { border-color: rgba(245, 244, 240, 0.7); }

.site-footer { padding: 52px clamp(20px, 7vw, 90px) 26px; background: var(--graphite); color: var(--soft); }
.footer-inner { max-width: 1180px; margin: 0 auto; display: flex; justify-content: space-between; gap: 38px; }
.footer-brand strong { display: block; font: 600 22px/1 var(--display); letter-spacing: 0.24em; }
.footer-brand p { max-width: 310px; margin: 16px 0 0; color: rgba(245, 244, 240, 0.55); font-size: 12px; }
.footer-links { display: grid; grid-template-columns: repeat(2, auto); gap: 9px 36px; color: rgba(245, 244, 240, 0.72); font-size: 12px; }
.copyright { max-width: 1180px; margin: 42px auto 0; padding-top: 16px; border-top: 1px solid rgba(245, 244, 240, 0.15); color: rgba(245, 244, 240, 0.42); font-size: 10px; letter-spacing: 0.08em; }
.status-page { min-height: 100svh; background: var(--graphite); color: var(--soft); display: grid; place-items: center; padding: 34px 20px; }
.status-inner { width: min(760px, 100%); text-align: center; }
.status-inner .code { color: var(--cyan-2); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; }
.status-inner h1 { margin: 24px 0 18px; font: 400 clamp(48px, 8vw, 92px) / 1.05 var(--display); letter-spacing: -0.04em; }
.status-inner p { max-width: 600px; margin: 0 auto; color: rgba(245, 244, 240, 0.68); font-size: 17px; }

@media (max-width: 720px) {
  .site-header { top: 14px; left: 14px; right: 14px; min-height: 58px; padding: 10px 13px; }
  .site-brand strong { font-size: 18px; }
  .site-brand small { font-size: 8px; }
  .site-nav { gap: 10px; font-size: 10px; }
  .site-nav .secondary-link { display: none; }
  .hero-inner { padding: 138px 20px 58px; }
  .hero-inner h1 { font-size: clamp(38px, 10.6vw, 48px); text-wrap: wrap; }
  .hero-inner > p { font-size: 15px; }
  .content { padding: 56px 20px 82px; }
  .content-lead { margin-bottom: 48px; font-size: 18px; }
  .article-section { grid-template-columns: 1fr; gap: 20px; padding: 35px 0; }
  .facts { grid-template-columns: 1fr; }
  .fact { min-height: 108px; }
  .fact strong { margin-top: 22px; }
  .case-list { grid-template-columns: 1fr; }
  .case-tile { min-height: 330px; }
  .case-stack .case-tile { min-height: 220px; }
  .footer-inner { flex-direction: column; }
  .actions { flex-direction: column; }
  .action { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}