:root {
  --ink: #17312b;
  --ink-soft: #2c4c43;
  --paper: #f4efe4;
  --paper-deep: #e7dfd0;
  --clay: #bd5b39;
  --sun: #e4b85a;
  --line: rgba(23, 49, 43, .17);
  --serif: "Iowan Old Style", "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --sans: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
.grain { position: fixed; inset: 0; pointer-events: none; opacity: .22; z-index: -1; background-image: radial-gradient(rgba(23,49,43,.15) .6px, transparent .7px); background-size: 7px 7px; mix-blend-mode: multiply; }
.page-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header { min-height: 104px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); gap: 24px; }
.wordmark { font-family: var(--serif); font-size: clamp(1.35rem, 2.4vw, 1.75rem); letter-spacing: .04em; display: grid; line-height: 1; }
.wordmark span, .eyebrow { font: 700 .66rem/1.2 var(--sans); letter-spacing: .16em; text-transform: uppercase; }
.wordmark span { color: var(--clay); margin-bottom: 7px; }
nav { display: flex; gap: clamp(14px, 2vw, 30px); font-size: .88rem; }
nav a { padding: 8px 0; border-bottom: 1px solid transparent; transition: border-color .2s ease; }
nav a:hover, nav a[aria-current="page"] { border-color: var(--clay); }
.hero { padding: clamp(72px, 11vw, 145px) 0 clamp(74px, 10vw, 130px); max-width: 1000px; position: relative; }
.eyebrow { color: var(--clay); display: inline-block; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.1; letter-spacing: -.035em; }
h1 { font-size: clamp(3.25rem, 8vw, 7.2rem); margin: 18px 0 30px; max-width: 980px; }
h1 em, h2 em { color: var(--clay); font-style: italic; }
.lede { max-width: 620px; font-size: clamp(1.05rem, 1.7vw, 1.32rem); color: var(--ink-soft); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 35px; }
.button { display: inline-flex; padding: 13px 20px; background: var(--ink); color: var(--paper); border: 1px solid var(--ink); font-size: .86rem; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); background: var(--clay); border-color: var(--clay); }
.button-quiet { background: transparent; color: var(--ink); }
.hero-note { position: absolute; right: 0; bottom: 48px; max-width: 260px; display: grid; grid-template-columns: 30px 1fr; gap: 12px; font-size: .78rem; color: var(--ink-soft); }
.hero-note span { font: 700 1.25rem var(--serif); color: var(--clay); }.hero-note p { margin: 0; }
.editorial-intro { display: grid; grid-template-columns: 1.05fr .75fr; gap: clamp(30px, 8vw, 130px); padding: clamp(48px, 7vw, 90px) 0; border-top: 1px solid var(--line); }
.editorial-intro h2, .section-heading h2 { font-size: clamp(2.1rem, 4vw, 3.7rem); margin: 14px 0 0; }.editorial-intro p { align-self: end; color: var(--ink-soft); }
.question-grid { padding: 38px 0 100px; }.section-heading { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 18px; margin-bottom: 30px; }.section-heading h2 { grid-column: 1; }.section-heading > .text-link { grid-column: 2; grid-row: 1 / span 2; align-self: end; }
.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }.article-grid-full { margin-bottom: 104px; }.article-card { min-height: 280px; padding: clamp(24px, 4vw, 48px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; transition: background .2s ease, transform .2s ease; }.article-card:hover { background: rgba(228,184,90,.18); }.card-meta { display: flex; justify-content: space-between; gap: 12px; font: 700 .65rem var(--sans); letter-spacing: .1em; color: var(--clay); }.article-card h2 { font-size: clamp(1.7rem, 2.5vw, 2.55rem); margin: 34px 0 14px; }.article-card p { color: var(--ink-soft); font-size: .92rem; }.text-link { margin-top: auto; font: 700 .76rem var(--sans); letter-spacing: .07em; text-transform: uppercase; color: var(--clay); }.text-link span { display: inline-block; margin-left: 6px; transition: transform .2s ease; }.text-link:hover span { transform: translateX(4px); }
.service-callout { background: var(--ink); color: var(--paper); padding: clamp(44px, 7vw, 88px); margin: 0 calc((min(1180px, 100vw - 40px) - 100vw) / 2) 100px; padding-left: max(calc((100vw - min(1180px, 100vw - 40px)) / 2), 20px); padding-right: max(calc((100vw - min(1180px, 100vw - 40px)) / 2), 20px); }.service-callout .eyebrow { color: var(--sun); }.service-callout h2 { font-size: clamp(2.2rem, 4.8vw, 4.6rem); margin: 18px 0; }.service-callout p { max-width: 680px; color: rgba(244,239,228,.76); }.service-entry { margin-top: 38px; display: flex; align-items: center; gap: 22px; max-width: 720px; border-top: 1px solid rgba(244,239,228,.28); padding-top: 26px; }.service-qr { width: 132px; height: 132px; padding: 7px; background: var(--paper); flex: 0 0 auto; }.service-qr img { display: block; width: 100%; height: 100%; object-fit: contain; }.service-details h3 { font-size: 1.65rem; margin: 8px 0 6px; }.service-details p { margin-bottom: 8px; font-size: .9rem; }.service-details .service-address { font-size: .77rem; color: rgba(244,239,228,.62); }.service-details strong { font-size: .8rem; color: var(--sun); }
.page-heading { padding: clamp(68px, 9vw, 125px) 0 65px; max-width: 940px; }.page-heading h1 { font-size: clamp(3rem, 6.8vw, 6rem); }.page-heading > p { max-width: 620px; color: var(--ink-soft); font-size: 1.05rem; }
.article-page { padding: 54px 0 104px; max-width: 860px; margin: 0 auto; }.article-header { padding: 20px 0 54px; border-bottom: 1px solid var(--line); }.back-link { font-size: .82rem; color: var(--clay); }.article-header .eyebrow { margin-top: 48px; }.article-header h1 { font-size: clamp(3rem, 6.2vw, 5.6rem); margin-bottom: 22px; }.article-deck { font: 1.1rem/1.7 var(--serif); color: var(--ink-soft); max-width: 680px; }.article-facts { display: flex; flex-wrap: wrap; gap: 18px 40px; margin: 36px 0 0; }.article-facts div { min-width: 122px; }.article-facts dt { font-size: .7rem; letter-spacing: .09em; color: var(--clay); }.article-facts dd { margin: 5px 0 0; font-size: .84rem; }.article-content { padding: 56px 0 28px; font-size: 1.04rem; }.article-content h1 { display: none; }.article-content h2 { font-size: clamp(1.9rem, 3.2vw, 2.8rem); margin: 48px 0 17px; }.article-content p { max-width: 720px; }.article-content ul { padding-left: 1.25rem; max-width: 720px; }.article-content li + li { margin-top: 10px; }.article-content blockquote { border-left: 3px solid var(--clay); margin: 36px 0; padding: 8px 0 8px 20px; color: var(--ink-soft); font: italic 1.05rem/1.65 var(--serif); }.article-boundary { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 24px 0; color: var(--ink-soft); }.article-boundary p { margin: 10px 0 0; }.article-next { padding: 28px 0; font: 1.15rem/1.6 var(--serif); }.article-next span { display: block; color: var(--clay); font: 700 .68rem var(--sans); letter-spacing: .12em; text-transform: uppercase; }.article-next p { margin: 8px 0 0; }
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin-bottom: 100px; }.method-grid article { padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-height: 220px; }.method-grid span { color: var(--clay); font: 700 1.4rem var(--serif); }.method-grid h2 { font-size: 1.7rem; margin: 30px 0 10px; }.method-grid p { font-size: .88rem; color: var(--ink-soft); }.source-table { margin-bottom: 100px; }.source-row { display: grid; grid-template-columns: 100px 1fr 100px; gap: 18px; padding: 23px 0; border-top: 1px solid var(--line); }.source-row:last-child { border-bottom: 1px solid var(--line); }.source-row strong { color: var(--clay); }.source-row p { margin: 0; color: var(--ink-soft); }.source-row span { font-size: .78rem; text-align: right; }
.about-copy { max-width: 760px; padding-bottom: 104px; }.about-copy h2 { font-size: 2rem; margin: 55px 0 15px; }.about-copy li { margin: 10px 0; }.empty-page { min-height: 55vh; }
.site-footer { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 34px; border-top: 1px solid var(--line); padding: 38px 0 52px; color: var(--ink-soft); font-size: .78rem; }.site-footer strong { display: block; font: 1.5rem var(--serif); color: var(--ink); margin-top: 12px; }.site-footer p { margin: 0; }.muted { color: var(--clay); }
@media (max-width: 760px) { .page-shell { width: min(100% - 30px, 1180px); }.site-header { min-height: 84px; align-items: flex-start; padding-top: 21px; flex-direction: column; gap: 13px; }.site-header nav { width: 100%; justify-content: space-between; font-size: .76rem; }.hero { padding-top: 82px; }.hero-note { position: static; margin-top: 50px; }.editorial-intro, .site-footer { grid-template-columns: 1fr; }.article-grid { grid-template-columns: 1fr; }.section-heading { grid-template-columns: 1fr; }.section-heading > .text-link { grid-column: 1; grid-row: auto; }.method-grid { grid-template-columns: 1fr 1fr; }.source-row { grid-template-columns: 76px 1fr; }.source-row span { grid-column: 2; text-align: left; }.article-page { padding-top: 22px; }.article-content { font-size: 1rem; }.article-facts { gap: 14px 24px; }.service-callout { margin-bottom: 70px; }.service-entry { align-items: flex-start; }.service-qr { width: 116px; height: 116px; }.site-footer { gap: 18px; } }
@media (max-width: 440px) { .method-grid { grid-template-columns: 1fr; }.page-heading h1, .hero h1 { letter-spacing: -.05em; }.article-card { min-height: 248px; } }