:root {
  --ink: #10224b;
  --blue: #123d92;
  --blue-deep: #071b43;
  --rose: #b66f73;
  --rose-soft: #e8c7c7;
  --paper: #fffdfa;
  --mist: #edf3ff;
  --line: rgba(18, 61, 146, .16);
  --shadow: 0 24px 70px rgba(7, 27, 67, .12);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .22em; }
img { display: block; width: 100%; height: auto; }
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 100; padding: 10px 16px; background: white; }
.skip-link:focus { top: 16px; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,.15);
  background: rgba(7,27,67,.96); color: white;
  backdrop-filter: blur(18px);
}
.nav-shell, .shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.nav-shell { min-height: 72px; display: flex; align-items: center; gap: 28px; }
.brand { margin-right: auto; display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 32px; height: 32px; border: 1px solid var(--rose-soft); transform: rotate(45deg); display: grid; place-items: center; }
.brand-mark::after { content: ""; width: 12px; height: 12px; border: 1px solid white; }
.brand-name { font-family: Georgia, "Times New Roman", serif; letter-spacing: .14em; }
.nav-toggle { display: none; border: 1px solid rgba(255,255,255,.4); background: none; color: white; padding: 8px 12px; }
.main-nav { display: flex; align-items: center; gap: 18px; font-size: .9rem; }
.main-nav a { text-decoration: none; opacity: .86; }
.main-nav a:hover, .main-nav a:focus { opacity: 1; color: #ffd9d8; }
main { overflow: hidden; }
.cover {
  color: white;
  background:
    radial-gradient(circle at 82% 20%, rgba(232,199,199,.28), transparent 24%),
    linear-gradient(135deg, var(--blue-deep), var(--blue) 72%, #7d4d6a);
  padding: 78px 0 92px;
}
.cover-grid { display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 64px; }
.kicker, .eyebrow {
  margin: 0 0 12px; color: var(--rose-soft); text-transform: uppercase;
  letter-spacing: .2em; font-size: .76rem; font-weight: 700;
}
h1, h2, h3 { font-family: Georgia, "Noto Serif SC", "Songti SC", serif; line-height: 1.18; }
h1 { margin: 0 0 22px; font-size: clamp(2.55rem, 7vw, 5.8rem); font-weight: 500; letter-spacing: -.04em; }
.page-hero h1 { font-size: clamp(2.3rem, 6vw, 4.8rem); }
h2 { margin: 0 0 20px; font-size: clamp(1.85rem, 4vw, 3rem); color: var(--blue-deep); }
h3 { margin: 0 0 10px; font-size: 1.25rem; color: var(--blue); }
.cover .dek { max-width: 690px; font-size: 1.12rem; color: rgba(255,255,255,.82); }
.cover-art { position: relative; }
.cover-art img { border: 1px solid rgba(255,255,255,.25); box-shadow: 34px 34px 0 rgba(232,199,199,.16); }
.issue-stamp { position: absolute; right: -18px; bottom: -22px; padding: 15px 18px; background: var(--paper); color: var(--blue-deep); font: 700 .78rem/1.25 Georgia,serif; letter-spacing: .12em; }
.meta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.pill { display: inline-flex; align-items: center; gap: 7px; padding: 8px 13px; border: 1px solid currentColor; border-radius: 999px; font-size: .78rem; letter-spacing: .04em; }
.section { padding: 88px 0; }
.section-tint { background: var(--mist); }
.section-dark { background: var(--blue-deep); color: white; }
.section-dark h2, .section-dark h3 { color: white; }
.section-head { max-width: 760px; margin-bottom: 38px; }
.section-head p { color: #486086; }
.section-dark .section-head p { color: rgba(255,255,255,.7); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.card { padding: 28px; border: 1px solid var(--line); background: white; border-radius: var(--radius); box-shadow: 0 12px 38px rgba(7,27,67,.06); }
.card-number { display: block; color: var(--rose); font: 700 .78rem/1 Georgia,serif; letter-spacing: .18em; margin-bottom: 28px; }
.card p { color: #506486; }
.card-link { display: inline-block; color: var(--blue); font-weight: 700; font-size: .9rem; }
.trust-strip { margin-top: -34px; position: relative; z-index: 3; }
.trust-inner { display: grid; grid-template-columns: repeat(3,1fr); background: white; box-shadow: var(--shadow); border-radius: var(--radius); }
.trust-item { padding: 25px 30px; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; color: var(--blue); }
.method-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 70px; align-items: start; }
.editorial-note { border-top: 4px solid var(--rose); padding: 24px; background: #fff7f5; }
.timeline { position: relative; padding-left: 38px; }
.timeline::before { content: ""; position: absolute; top: 8px; bottom: 8px; left: 8px; width: 1px; background: var(--rose); }
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-item::before { content: ""; position: absolute; width: 15px; height: 15px; border-radius: 50%; background: var(--rose); left: -37px; top: 7px; box-shadow: 0 0 0 7px rgba(182,111,115,.14); }
.timeline-item time { font-weight: 700; color: var(--rose-soft); letter-spacing: .08em; }
.faq details { border-top: 1px solid var(--line); padding: 20px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 700; color: var(--blue-deep); }
.quote-card { position: relative; padding-top: 54px; }
.quote-card::before { content: "“"; position: absolute; top: 4px; color: var(--rose-soft); font: 76px/1 Georgia,serif; }
.label-example { display: inline-block; padding: 4px 9px; background: #f8e3e0; color: #7b3f47; border-radius: 4px; font-size: .72rem; font-weight: 800; }
.page-hero { padding: 66px 0; }
.page-hero .cover-grid { grid-template-columns: 1.16fr .84fr; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 280px; gap: 64px; align-items: start; }
.prose { font-size: 1.05rem; }
.prose > p:first-of-type { font-size: 1.22rem; color: #405779; }
.prose h2 { margin-top: 54px; font-size: 2rem; }
.prose h3 { margin-top: 34px; }
.prose ul, .prose ol { padding-left: 1.35rem; }
.prose li { margin: .65rem 0; }
.aside { position: sticky; top: 102px; }
.aside-card { padding: 23px; border: 1px solid var(--line); margin-bottom: 18px; }
.aside-card h2 { font-size: 1.25rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: 9px 20px; font-size: .85rem; color: #657594; margin: 22px 0; }
.breadcrumbs { padding: 18px 0; font-size: .82rem; color: #667694; }
.list-stack { display: grid; gap: 15px; }
.list-row { display: grid; grid-template-columns: 110px 1fr auto; gap: 22px; align-items: center; padding: 23px 0; border-top: 1px solid var(--line); }
.list-row:last-child { border-bottom: 1px solid var(--line); }
.list-row .row-type { color: var(--rose); font-size: .76rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.tag-cloud a { padding: 10px 15px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; background: white; }
.notice { padding: 22px 25px; border-left: 4px solid var(--rose); background: #fff6f3; }
.feature-steps { counter-reset: steps; display: grid; gap: 18px; }
.feature-step { position: relative; padding: 26px 26px 26px 76px; background: white; border: 1px solid var(--line); }
.feature-step::before { counter-increment: steps; content: "0" counter(steps); position: absolute; left: 24px; color: var(--rose); font: 700 1.2rem Georgia,serif; }
.site-footer { background: #061637; color: white; padding: 58px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; }
.footer-grid h2 { color: white; font-size: 1.3rem; }
.footer-grid a { display: block; margin: 7px 0; color: rgba(255,255,255,.72); }
.footer-note { margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.62); font-size: .82rem; }
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; padding: 20px; background: var(--blue-deep); flex-wrap: wrap; }
  .main-nav.is-open { display: flex; }
  .cover-grid, .page-hero .cover-grid, .method-grid, .article-layout { grid-template-columns: 1fr; }
  .cover-art { max-width: 650px; }
  .aside { position: static; }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 620px) {
  .nav-shell, .shell { width: min(100% - 28px, 1180px); }
  .section { padding: 62px 0; }
  .cover { padding: 54px 0 70px; }
  .grid-3, .grid-2, .trust-inner, .footer-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .list-row { grid-template-columns: 1fr; gap: 4px; }
  .brand-name { font-size: .9rem; }
}
@media print {
  .site-header, .site-footer, .nav-toggle { display: none; }
  .cover, .section-dark { background: white; color: black; }
  .cover h1, .section-dark h2, .section-dark h3 { color: black; }
  a { text-decoration: none; }
}