:root {
    --gold: #D9A21B;
    --gold-soft: #F1C96A;
    --ink: #2B261D;
    --body: #302D28;
    --muted: #756F64;
    --paper: #FFFDF7;
    --paper-2: #F7F1E3;
    --accent: #E9673F;
    --line: #E8DEC8;
    --line-strong: #D6C7A7;
    --white: #FFFFFF;
    --shadow: 0 16px 42px rgba(74, 52, 18, .10);
    --radius: 22px;
    --radius-sm: 14px;
    --content: min(1180px, calc(100% - 40px));
    --reading: min(780px, calc(100% - 40px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--body); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.78; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
button, input { font: inherit; }
button { cursor: pointer; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; background: var(--ink); color: white; padding: 10px 14px; border-radius: 10px; }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,253,247,.95); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(217,162,27,.18); }
.header-inner { width: var(--content); margin: 0 auto; min-height: 76px; display: flex; align-items: center; gap: 28px; }
.brand-lockup { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; min-width: 220px; }
.brand-lockup img { width: 46px; height: 46px; object-fit: contain; }
.brand-lockup span { display: grid; line-height: 1.25; }
.brand-lockup strong { font-size: 18px; color: var(--ink); }
.brand-lockup small { color: var(--muted); font-size: 12px; margin-top: 4px; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 5px; }
.site-nav a, .search-trigger { border: 0; background: transparent; text-decoration: none; color: var(--ink); padding: 10px 12px; border-radius: 10px; font-weight: 650; font-size: 14px; }
.site-nav a:hover, .site-nav a:focus-visible, .search-trigger:hover, .search-trigger:focus-visible { background: var(--paper-2); outline: none; }
.search-trigger { color: #7A3B27; }
.nav-toggle { display: none; margin-left: auto; border: 1px solid var(--line); background: var(--white); border-radius: 10px; padding: 8px 12px; color: var(--ink); }
.search-modal[hidden] { display: none !important; }
.search-modal { position: fixed; inset: 0; z-index: 300; display: grid; place-items: start center; padding: 12vh 20px 20px; background: rgba(43,38,29,.58); }
.search-dialog { width: min(640px, 100%); background: var(--paper); border-radius: 24px; padding: 30px; box-shadow: 0 28px 80px rgba(0,0,0,.22); position: relative; }
.search-dialog h2 { margin: 0 44px 8px 0; font-size: 26px; color: var(--ink); }
.search-dialog p { margin: 0 0 20px; color: var(--muted); }
.modal-close { position: absolute; right: 20px; top: 18px; border: 0; background: var(--paper-2); width: 38px; height: 38px; border-radius: 50%; font-size: 24px; color: var(--ink); }
.search-form label { display: block; margin-bottom: 8px; font-weight: 700; color: var(--ink); }
.search-line { display: flex; gap: 8px; }
.search-line input { min-width: 0; flex: 1; border: 1px solid var(--line-strong); border-radius: 12px; padding: 12px 14px; background: white; color: var(--body); }
.search-line button { border: 0; border-radius: 12px; background: var(--accent); color: white; font-weight: 750; padding: 10px 18px; }
main { min-height: 65vh; }
.shell { width: var(--content); margin: 0 auto; }
.reading { width: var(--reading); margin: 0 auto; }
.section { padding: 72px 0; }
.section.compact { padding: 50px 0; }
.section.tint { background: var(--paper-2); border-top: 1px solid rgba(217,162,27,.11); border-bottom: 1px solid rgba(217,162,27,.11); }
.section.dark { background: var(--ink); color: #FFF8E9; }
.section.dark p, .section.dark .muted { color: #D9D0BF; }
.section-head { display: grid; grid-template-columns: 1fr minmax(280px, 520px); align-items: end; gap: 34px; margin-bottom: 28px; }
.section-head h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.16; color: var(--ink); letter-spacing: -.025em; }
.section-head p { margin: 0; color: var(--muted); }
.dark .section-head h2 { color: #FFF8E9; }
.eyebrow { color: #8B6410; font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: #805B10; font-weight: 800; font-size: 14px; }
.kicker::before { content: ""; width: 22px; height: 2px; background: var(--gold); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: white; text-decoration: none; border-radius: 12px; padding: 11px 18px; font-weight: 800; border: 1px solid var(--accent); }
.button.secondary { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.dark .button.secondary { color: #FFF8E9; border-color: rgba(255,255,255,.3); }
.text-link { color: #8A3C24; font-weight: 750; text-decoration: none; border-bottom: 1px solid rgba(233,103,63,.35); }
.action-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 24px; }
.home-hero { padding: 42px 0 64px; }
.hero-frame { width: var(--content); margin: 0 auto; display: grid; grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr); gap: 26px; align-items: stretch; }
.hero-copy { background: var(--paper-2); border-radius: 28px; padding: clamp(30px, 5vw, 64px); display: flex; flex-direction: column; justify-content: center; border: 1px solid var(--line); }
.hero-copy h1 { margin: 12px 0 18px; color: var(--ink); font-size: clamp(38px, 5vw, 66px); line-height: 1.04; letter-spacing: -.045em; }
.hero-copy p { font-size: 17px; margin: 0; color: #5E574D; max-width: 650px; }
.hero-visual { min-height: 520px; border-radius: 28px; overflow: hidden; position: relative; background: #EED9A6; }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-caption { position: absolute; left: 22px; right: 22px; bottom: 22px; background: rgba(255,253,247,.93); border: 1px solid rgba(255,255,255,.7); padding: 18px 20px; border-radius: 16px; box-shadow: var(--shadow); }
.hero-caption strong { display: block; color: var(--ink); font-size: 18px; margin-bottom: 4px; }
.hero-caption span { color: var(--muted); font-size: 14px; }
.intent-strip { width: var(--content); margin: 0 auto 20px; display: grid; grid-template-columns: 1.2fr 1.8fr 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.intent-strip a { text-decoration: none; padding: 24px 22px; display: grid; gap: 6px; border-right: 1px solid var(--line); }
.intent-strip a:last-child { border-right: 0; }
.intent-strip strong { color: var(--ink); }
.intent-strip span { color: var(--muted); font-size: 14px; }
.intent-strip a:hover { background: #FFF8E9; }
.brand-intro { display: grid; grid-template-columns: .75fr 1.25fr; gap: 44px; align-items: start; }
.brand-intro .aside-note { position: sticky; top: 110px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: white; }
.brand-intro .aside-note h2 { margin-top: 0; color: var(--ink); }
.brand-intro .main-copy h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.18; margin: 0 0 20px; color: var(--ink); }
.brand-intro .main-copy p { margin: 0 0 16px; }
.quick-index { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 22px; overflow: hidden; }
.quick-index a { background: var(--paper); text-decoration: none; padding: 24px; display: grid; gap: 8px; }
.quick-index strong { color: var(--ink); font-size: 18px; }
.quick-index span { color: var(--muted); }
.quick-index a:hover { background: #FFF8E9; }
.editorial-list { border-top: 1px solid var(--line); }
.editorial-row { display: grid; grid-template-columns: 190px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); align-items: center; }
.row-image { border-radius: 16px; overflow: hidden; aspect-ratio: 16 / 10; background: var(--paper-2); }
.row-image img { width: 100%; height: 100%; object-fit: cover; }
.row-main h3 { margin: 4px 0 7px; color: var(--ink); font-size: 22px; line-height: 1.3; }
.row-main h3 a { text-decoration: none; }
.row-main p { margin: 0 0 8px; color: #5D574F; }
.row-links a { color: #8A3C24; font-size: 14px; font-weight: 750; text-decoration: none; }
.category-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.category-band a { min-height: 180px; border-radius: 20px; padding: 22px; text-decoration: none; background: white; border: 1px solid var(--line); display: flex; flex-direction: column; justify-content: flex-end; position: relative; overflow: hidden; }
.category-band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .16; }
.category-band strong, .category-band span { position: relative; z-index: 1; }
.category-band strong { color: var(--ink); font-size: 20px; }
.category-band span { color: var(--muted); font-size: 14px; margin-top: 4px; }
.wide-feature { display: grid; grid-template-columns: 1.15fr .85fr; border: 1px solid var(--line); border-radius: 26px; overflow: hidden; background: white; }
.wide-feature img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
.wide-feature .copy { padding: clamp(30px,5vw,60px); align-self: center; }
.wide-feature h2 { margin: 8px 0 14px; font-size: clamp(28px,4vw,44px); line-height: 1.15; color: var(--ink); }
.wide-feature p { color: var(--muted); }
.topic-rail { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.topic-rail article { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: white; }
.topic-rail h3 { margin: 8px 0 10px; color: var(--ink); }
.topic-rail p { margin: 0 0 14px; color: var(--muted); }
.guide-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.guide-row { display: grid; grid-template-columns: 150px 1fr; gap: 22px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.guide-kind { color: #8B6410; font-weight: 800; font-size: 14px; }
.guide-row h3 { margin: 0 0 6px; color: var(--ink); font-size: 20px; }
.guide-row h3 a { text-decoration: none; }
.guide-row p { margin: 0 0 8px; color: var(--muted); }
.breadcrumbs { width: var(--content); margin: 22px auto 0; font-size: 13px; color: var(--muted); }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; }
.breadcrumbs li:not(:last-child)::after { content: "›"; margin-left: 6px; color: #B7A98D; }
.breadcrumbs a { text-decoration: none; }
.page-hero { padding: 46px 0 54px; }
.page-hero .inner { width: var(--content); margin: 0 auto; display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: center; }
.page-hero h1 { margin: 10px 0 16px; font-size: clamp(38px,5vw,62px); line-height: 1.06; color: var(--ink); letter-spacing: -.04em; }
.page-hero p { margin: 0; color: var(--muted); font-size: 17px; max-width: 760px; }
.page-hero .visual { border-radius: 24px; overflow: hidden; aspect-ratio: 16/10; background: var(--paper-2); }
.page-hero .visual img { width: 100%; height: 100%; object-fit: cover; }
.page-lead { font-size: 19px; color: #4D473F; }
.notice { border-left: 4px solid var(--gold); background: var(--paper-2); padding: 16px 18px; border-radius: 0 14px 14px 0; color: #5B5142; }
.info-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.info-grid article { padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.info-grid h3 { margin: 0 0 8px; color: var(--ink); }
.info-grid p { margin: 0; color: var(--muted); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 28px; }
.filter-bar a { text-decoration: none; border: 1px solid var(--line); background: white; color: var(--ink); padding: 8px 12px; border-radius: 999px; font-size: 14px; }
.filter-bar a.active { background: var(--ink); color: white; border-color: var(--ink); }
.pagination { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 32px; }
.pagination a, .pagination span { min-width: 40px; text-align: center; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); text-decoration: none; }
.pagination span { background: var(--ink); color: white; border-color: var(--ink); }
.article-layout { width: var(--content); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 52px; padding: 44px 0 72px; align-items: start; }
.article { min-width: 0; }
.article-header { border-bottom: 1px solid var(--line); padding-bottom: 24px; margin-bottom: 30px; }
.article-header h1 { color: var(--ink); font-size: clamp(36px,5vw,58px); line-height: 1.08; margin: 10px 0 16px; letter-spacing: -.035em; }
.article-header .lead { font-size: 18px; color: var(--muted); }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 13px; color: var(--muted); margin-top: 14px; }
.article-cover { border-radius: 22px; overflow: hidden; margin: 0 0 30px; aspect-ratio: 16/9; background: var(--paper-2); }
.article-cover img { width: 100%; height: 100%; object-fit: cover; }
.article h2 { color: var(--ink); font-size: 28px; margin: 36px 0 12px; line-height: 1.25; }
.article h3 { color: var(--ink); font-size: 22px; margin: 28px 0 10px; }
.article p { margin: 0 0 16px; }
.article ul, .article ol { padding-left: 1.3em; }
.article-aside { position: sticky; top: 104px; display: grid; gap: 14px; }
.aside-card { border: 1px solid var(--line); border-radius: 16px; padding: 20px; background: white; }
.aside-card h2 { margin: 0 0 10px; color: var(--ink); font-size: 18px; }
.aside-card p { margin: 0 0 12px; color: var(--muted); font-size: 14px; }
.aside-card a { color: #8A3C24; text-decoration: none; font-weight: 750; }
.related-list { display: grid; gap: 10px; }
.related-list a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.related-list a:last-child { border-bottom: 0; }
.fact-list { display: grid; grid-template-columns: 170px 1fr; border-top: 1px solid var(--line); }
.fact-list dt, .fact-list dd { margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); }
.fact-list dt { color: var(--muted); font-weight: 700; }
.fact-list dd { color: var(--ink); }
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 16px; background: white; overflow: hidden; }
.faq-item h2, .faq-item h3 { margin: 0; font-size: 18px; }
.faq-question { width: 100%; border: 0; background: transparent; text-align: left; padding: 18px 52px 18px 18px; color: var(--ink); font-weight: 800; position: relative; }
.faq-question::after { content: "+"; position: absolute; right: 18px; top: 16px; font-size: 24px; color: var(--gold); }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 18px 18px; color: var(--muted); }
.faq-answer[hidden] { display: none !important; }
.search-summary { padding: 18px 20px; border-radius: 14px; background: var(--paper-2); color: var(--ink); margin-bottom: 26px; }
.search-group { margin-top: 34px; }
.search-group h2 { color: var(--ink); font-size: 28px; }
.search-result { padding: 18px 0; border-top: 1px solid var(--line); }
.search-result h3 { margin: 0 0 6px; color: var(--ink); }
.search-result h3 a { text-decoration: none; }
.search-result p { margin: 0; color: var(--muted); }
.empty-state { width: var(--reading); margin: 60px auto; padding: 36px; border: 1px solid var(--line); border-radius: 22px; background: var(--paper-2); }
.empty-state h1, .empty-state h2 { color: var(--ink); }
.error-code { font-size: clamp(72px,14vw,150px); line-height: .9; color: var(--gold); font-weight: 900; letter-spacing: -.08em; }
.site-footer { background: #2B261D; color: #FFF8E9; padding: 56px 0 24px; }
.footer-grid { width: var(--content); margin: 0 auto; display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 34px; }
.footer-grid h2 { margin: 0 0 14px; font-size: 16px; color: #FFF2CC; }
.footer-grid p { margin: 0; color: #CFC6B5; }
.footer-grid nav { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-grid a { color: #E5DDCE; text-decoration: none; font-size: 14px; }
.footer-grid a:hover { color: white; text-decoration: underline; }
.footer-bottom { width: var(--content); margin: 42px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.14); display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; color: #BEB5A5; font-size: 13px; }
.back-top { margin-left: auto; border: 1px solid rgba(255,255,255,.2); background: transparent; color: #FFF8E9; border-radius: 10px; padding: 7px 11px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; min-width: 620px; background: white; }
th, td { text-align: left; vertical-align: top; padding: 14px 16px; border-bottom: 1px solid var(--line); }
th { color: var(--ink); background: var(--paper-2); }
td { color: #5D574F; }
.timeline { display: grid; gap: 0; margin: 26px 0; }
.timeline article { position: relative; padding: 0 0 28px 32px; border-left: 2px solid var(--line-strong); }
.timeline article::before { content: ""; position: absolute; left: -7px; top: 5px; width: 12px; height: 12px; border-radius: 50%; background: var(--gold); }
.timeline h3 { margin-top: 0; }
.split-note { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.split-note > div { border-radius: 18px; padding: 24px; background: var(--paper-2); }
.split-note h3 { color: var(--ink); margin-top: 0; }
.link-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.link-list a { padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: white; text-decoration: none; }
.link-list strong { display: block; color: var(--ink); margin-bottom: 3px; }
.link-list span { color: var(--muted); font-size: 14px; }
.policy h2 { margin-top: 34px; color: var(--ink); }
.policy p, .policy li { color: #514B43; }
@media (max-width: 1080px) {
    .hero-frame { grid-template-columns: 1fr; }
    .hero-visual { min-height: 390px; }
    .intent-strip { grid-template-columns: 1fr 1fr; }
    .intent-strip a:nth-child(2) { border-right: 0; }
    .intent-strip a:last-child { grid-column: 1/-1; border-top: 1px solid var(--line); }
    .page-hero .inner { grid-template-columns: 1fr; }
    .page-hero .visual { max-height: 440px; }
    .article-layout { grid-template-columns: 1fr; }
    .article-aside { position: static; grid-template-columns: repeat(2,1fr); }
    .footer-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 860px) {
    :root { --content: min(100% - 28px, 1180px); --reading: min(100% - 28px, 780px); }
    .header-inner { min-height: 68px; gap: 12px; }
    .brand-lockup small { display: none; }
    .nav-toggle { display: inline-block; }
    .site-nav { position: absolute; left: 14px; right: 14px; top: calc(100% + 8px); margin: 0; padding: 10px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); box-shadow: var(--shadow); display: none; flex-direction: column; align-items: stretch; }
    .site-nav[data-open="true"] { display: flex; }
    .site-nav a, .search-trigger { width: 100%; text-align: left; padding: 11px 12px; }
    .section { padding: 56px 0; }
    .section-head { grid-template-columns: 1fr; gap: 12px; }
    .brand-intro { grid-template-columns: 1fr; }
    .brand-intro .aside-note { position: static; }
    .category-band { grid-template-columns: repeat(2,1fr); }
    .wide-feature { grid-template-columns: 1fr; }
    .topic-rail { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr 1fr; }
    .article-aside { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
    .brand-lockup { min-width: 0; }
    .brand-lockup img { width: 40px; height: 40px; }
    .home-hero { padding-top: 22px; }
    .hero-copy { padding: 28px 22px; border-radius: 22px; }
    .hero-copy h1 { font-size: clamp(34px, 12vw, 48px); }
    .hero-visual { min-height: 320px; border-radius: 22px; }
    .hero-caption { left: 12px; right: 12px; bottom: 12px; }
    .intent-strip { grid-template-columns: 1fr; }
    .intent-strip a, .intent-strip a:nth-child(2) { border-right: 0; border-top: 1px solid var(--line); }
    .intent-strip a:first-child { border-top: 0; }
    .intent-strip a:last-child { grid-column: auto; }
    .quick-index { grid-template-columns: 1fr; }
    .editorial-row { grid-template-columns: 110px 1fr; gap: 15px; }
    .row-main h3 { font-size: 18px; }
    .row-main p { font-size: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
    .category-band { grid-template-columns: 1fr; }
    .guide-row { grid-template-columns: 1fr; gap: 5px; }
    .info-grid { grid-template-columns: 1fr; }
    .page-hero { padding-top: 28px; }
    .page-hero h1 { font-size: 38px; }
    .article-layout { gap: 28px; padding-top: 28px; }
    .article-header h1 { font-size: 38px; }
    .fact-list { grid-template-columns: 1fr; }
    .fact-list dt { padding-bottom: 0; border-bottom: 0; }
    .split-note { grid-template-columns: 1fr; }
    .link-list { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { align-items: flex-start; flex-direction: column; }
    .back-top { margin-left: 0; }
    .search-dialog { padding: 24px 18px; }
    .search-line { flex-direction: column; }
}
@media (max-width: 390px) {
    :root { --content: calc(100% - 20px); --reading: calc(100% - 20px); }
    .brand-lockup strong { font-size: 16px; }
    .nav-toggle { padding: 7px 9px; }
    .editorial-row { grid-template-columns: 1fr; }
    .row-image { max-height: 190px; }
    .button { width: 100%; }
    .action-row { align-items: stretch; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}