.skip-link { position: fixed; left: 16px; top: -70px; z-index: 200; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 12px; }
.site-header { height: var(--header-h); position: sticky; top: 0; z-index: 60; background: rgba(250,248,242,.90); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.header-inner { width: min(calc(100% - 56px), var(--max)); height: 100%; margin: 0 auto; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-seal { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 13px 13px 13px 5px; font-family: var(--serif); font-size: 23px; font-weight: 700; }
.brand-text { display: grid; line-height: 1.08; }
.brand-text strong { font-family: var(--serif); font-size: 18px; letter-spacing: .03em; }
.brand-text span { color: var(--ink-3); font-size: 10px; letter-spacing: .14em; margin-top: 4px; }
.desktop-nav { justify-self: center; display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 10px 15px; border-radius: 999px; color: var(--ink-2); font-weight: 650; }
.nav-link:hover { background: rgba(23,77,59,.06); color: var(--jade); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-button, .lang-button, .menu-button { min-height: 40px; border: 1px solid var(--line); background: rgba(255,255,255,.45); border-radius: 999px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.icon-button { width: 40px; }
.lang-button { padding: 0 13px; font-size: 13px; font-weight: 750; }
.menu-button { display: none; width: 42px; }
.icon-button:hover, .lang-button:hover, .menu-button:hover { border-color: var(--line-strong); background: #fff; }
.mobile-menu { position: absolute; inset: var(--header-h) 0 auto; padding: 18px 20px 28px; background: var(--paper-2); border-top: 1px solid var(--line); box-shadow: var(--shadow); }
.mobile-menu .nav-link { display: block; padding: 14px 16px; }
body.menu-open { overflow: hidden; }

main { min-height: calc(100vh - var(--header-h)); }
.container { width: min(calc(100% - 56px), var(--max)); margin-inline: auto; }
.section { padding: 78px 0; }
.section-tight { padding: 50px 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--cinnabar); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
.section-title { font-family: var(--serif); font-size: clamp(30px, 3vw, 46px); line-height: 1.18; margin: 14px 0 12px; letter-spacing: -.025em; }
.section-lead { color: var(--ink-2); max-width: 720px; font-size: 17px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.text-link { color: var(--jade); border-bottom: 1px solid rgba(23,77,59,.28); font-weight: 750; }

.hero { min-height: 650px; position: relative; overflow: hidden; display: grid; align-items: center; padding: 64px 0 72px; border-bottom: 1px solid var(--line); }
.hero::before { content: ""; position: absolute; width: 520px; height: 520px; right: -90px; top: 20px; border: 1px solid rgba(23,77,59,.10); border-radius: 48% 52% 44% 56%; transform: rotate(17deg); box-shadow: inset 0 0 0 34px rgba(255,255,255,.08), inset 0 0 0 35px rgba(23,77,59,.07); }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0,1.1fr) minmax(360px,.9fr); gap: 80px; align-items: center; }
.hero-copy { max-width: 790px; }
.hero h1 { font-family: var(--serif); font-size: clamp(48px,5.4vw,82px); font-weight: 700; line-height: 1.08; letter-spacing: -.045em; margin: 22px 0 24px; }
.hero h1 em { color: var(--jade); font-style: normal; position: relative; white-space: nowrap; }
.hero h1 em::after { content: ""; position: absolute; left: 3%; right: 2%; bottom: -5px; height: 8px; background: rgba(181,80,61,.16); border-radius: 50%; transform: rotate(-1deg); }
.hero-lead { color: var(--ink-2); font-size: 19px; max-width: 680px; margin-bottom: 34px; }
.search-shell { display: flex; align-items: center; gap: 10px; width: min(100%,720px); padding: 8px; background: rgba(255,255,255,.74); border: 1px solid var(--line-strong); border-radius: 19px; box-shadow: var(--shadow-soft); }
.search-shell svg { margin-left: 12px; color: var(--ink-3); flex: 0 0 auto; }
.search-input { width: 100%; min-width: 0; height: 46px; border: 0; outline: none; background: transparent; color: var(--ink); font-size: 16px; }
.search-input::placeholder { color: #8b968f; }
.search-submit { height: 46px; padding: 0 24px; border: 0; border-radius: 13px; font-weight: 800; cursor: pointer; white-space: nowrap; display: inline-flex; align-items: center; justify-content: center; }
.quick-links { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 18px; color: var(--ink-3); font-size: 13px; }
.quick-links a { color: var(--jade); font-weight: 700; }
.quick-links a:hover { text-decoration: underline; }
.hero-feature { position: relative; min-height: 470px; padding: 34px; border: 1px solid rgba(23,77,59,.13); border-radius: var(--radius-lg); background: rgba(250,248,242,.72); box-shadow: var(--shadow); overflow: hidden; }
.hero-feature::before { content: "静"; position: absolute; right: -16px; bottom: -86px; font-family: var(--serif); color: rgba(23,77,59,.045); font-size: 320px; line-height: 1; }
.feature-top { display: flex; align-items: center; justify-content: space-between; position: relative; }
.content-tag { display: inline-flex; align-items: center; gap: 7px; color: var(--cinnabar); font-size: 12px; font-weight: 800; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.feature-index { color: var(--gold); font-family: var(--serif); font-size: 13px; }
.feature-poem { position: relative; margin-top: 56px; }
.feature-poem h2 { font-family: var(--serif); font-size: 42px; margin-bottom: 2px; }
.feature-poem .meta { color: var(--ink-3); font-size: 14px; }
.poem-lines { font-family: var(--serif); font-size: 23px; line-height: 2.1; letter-spacing: .06em; margin: 26px 0 22px; }
.feature-translation { color: var(--ink-2); font-family: Georgia, serif; font-size: 15px; line-height: 1.7; max-width: 360px; }
.feature-link { display: inline-flex; align-items: center; gap: 9px; color: var(--jade); font-weight: 800; margin-top: 26px; }

.content-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: 22px; }
.content-card { grid-column: span 4; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(250,248,242,.80); padding: 26px; min-height: 270px; position: relative; overflow: hidden; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); border-color: rgba(23,77,59,.30); }
.card-kind { color: var(--cinnabar); font-size: 11px; font-weight: 850; letter-spacing: .14em; }
.content-card h3 { font-family: var(--serif); font-size: 28px; line-height: 1.25; margin: 20px 0 7px; }
.card-meta { color: var(--ink-3); font-size: 13px; }
.card-body { color: var(--ink-2); margin-top: 18px; }
.card-en { font-family: Georgia, serif; color: var(--jade); font-size: 14px; margin-top: 16px; }
.corner-mark { position: absolute; right: 18px; bottom: 10px; color: rgba(23,77,59,.06); font-family: var(--serif); font-size: 90px; line-height: 1; }
.category-band { position: relative; overflow: hidden; }
.category-band::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(90deg, transparent 49.7%, rgba(255,255,255,.045) 50%, transparent 50.3%); background-size: 90px 100%; pointer-events: none; }
.category-band .eyebrow { color: #dfb4a8; }
.category-band .section-lead { color: rgba(255,255,255,.68); }
.category-list { position: relative; display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 36px; }
.category-item { border-top: 1px solid rgba(255,255,255,.22); padding: 24px 0 10px; display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; }
.category-no { font-family: var(--serif); color: #d8be91; font-size: 13px; }
.category-item strong { display: block; font-family: var(--serif); font-size: 23px; }
.category-item small { display: block; margin-top: 4px; color: rgba(255,255,255,.60); font-size: 13px; }
.trust-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.trust-list { display: grid; gap: 14px; }
.trust-item { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(250,248,242,.68); display: grid; grid-template-columns: 38px 1fr; gap: 16px; }
.trust-icon { width: 38px; height: 38px; border-radius: 12px; background: var(--jade-soft); color: var(--jade); display: grid; place-items: center; }
.trust-item h3 { font-size: 15px; margin: 0 0 4px; }
.trust-item p { color: var(--ink-3); font-size: 13px; margin: 0; }

.site-footer { border-top: 1px solid var(--line); background: rgba(250,248,242,.66); padding: 44px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3,.7fr); gap: 40px; }
.footer-brand p { color: var(--ink-3); max-width: 380px; margin: 16px 0 0; font-size: 13px; }
.footer-col h2 { font-size: 13px; margin-bottom: 12px; }
.footer-col a { display: block; color: var(--ink-3); font-size: 13px; padding: 4px 0; }
.footer-col a:hover { color: var(--jade); }
.footer-bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: 12px; display: flex; justify-content: space-between; gap: 20px; }

.subhero { padding: 54px 0 36px; border-bottom: 1px solid var(--line); background: rgba(250,248,242,.42); }
.subhero .search-shell { max-width: 840px; }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--ink-3); font-size: 13px; margin-bottom: 18px; }
.breadcrumbs a { color: var(--jade); }
.search-heading { font-family: var(--serif); font-size: clamp(34px,4vw,54px); margin-bottom: 24px; }
.search-heading span { color: var(--cinnabar); }
.search-layout { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 54px; align-items: start; }
.result-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.filter-group { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-button { border: 1px solid var(--line); background: rgba(255,255,255,.45); border-radius: 999px; padding: 8px 14px; color: var(--ink-2); font-weight: 700; font-size: 13px; }
.result-count { color: var(--ink-3); font-size: 13px; white-space: nowrap; }
.result-list { display: grid; gap: 14px; }
.result-card { border: 1px solid var(--line); border-radius: var(--radius); background: rgba(250,248,242,.72); padding: 24px; display: grid; grid-template-columns: 88px 1fr auto; gap: 22px; align-items: start; }
.result-card:hover { border-color: rgba(23,77,59,.32); box-shadow: var(--shadow-soft); }
.result-mark { width: 88px; height: 88px; display: grid; place-items: center; border-radius: 18px; background: var(--jade-soft); color: var(--jade); font-family: var(--serif); font-size: 32px; }
.result-card[data-type="idiom"] .result-mark { background: var(--cinnabar-soft); color: var(--cinnabar); }
.result-kind { color: var(--cinnabar); font-size: 11px; font-weight: 850; letter-spacing: .12em; }
.result-card h2 { font-family: var(--serif); font-size: 25px; margin: 5px 0 3px; }
.result-meta { color: var(--ink-3); font-size: 13px; }
.result-summary { color: var(--ink-2); margin: 13px 0 6px; }
.result-en { color: var(--jade); font-family: Georgia, serif; font-size: 14px; }
.result-arrow { color: var(--ink-3); margin-top: 34px; }
.search-aside { position: sticky; top: 104px; }
.aside-block { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(250,248,242,.58); margin-bottom: 14px; }
.aside-block h2 { font-family: var(--serif); font-size: 20px; margin-bottom: 14px; }
.aside-block p { color: var(--ink-3); font-size: 13px; margin: 0; }
.topic-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.topic-cloud a { background: var(--paper-3); border-radius: 8px; padding: 7px 10px; color: var(--ink-2); font-size: 12px; }
.empty-state { text-align: center; padding: 80px 24px; border: 1px dashed var(--line-strong); border-radius: var(--radius); }
.empty-mark { width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 18px; background: var(--jade-soft); color: var(--jade); font-family: var(--serif); font-size: 28px; }
.empty-state p { color: var(--ink-3); }
.inline-action { width: fit-content; margin: 12px auto 0; }

.detail-hero { padding: 42px 0 0; }
.detail-heading { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: end; padding-bottom: 34px; border-bottom: 1px solid var(--line); }
.detail-heading h1 { font-family: var(--serif); font-size: clamp(48px,6vw,82px); line-height: 1; margin: 15px 0; letter-spacing: -.04em; }
.detail-subline { color: var(--ink-2); display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.detail-subline span + span::before { content: "·"; margin-right: 18px; color: var(--gold); }
.detail-seal { width: 110px; height: 110px; border: 1px solid rgba(181,80,61,.35); color: var(--cinnabar); display: grid; place-items: center; font-family: var(--serif); font-size: 36px; transform: rotate(-4deg); border-radius: 28% 36% 30% 32%; background: rgba(181,80,61,.04); }
.detail-grid { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(300px,.65fr); gap: 64px; padding: 52px 0 80px; align-items: start; }
.reading-panel { background: rgba(250,248,242,.74); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-soft); }
.panel-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 24px; }
.panel-label { color: var(--cinnabar); font-size: 11px; font-weight: 850; letter-spacing: .14em; }
.toggle-button { border: 1px solid var(--line); background: transparent; padding: 7px 11px; border-radius: 999px; cursor: pointer; color: var(--ink-2); font-size: 12px; font-weight: 750; }
.toggle-button[aria-expanded="true"] { background: var(--jade-soft); color: var(--jade); }
.full-poem { font-family: var(--serif); font-size: clamp(26px,2.4vw,35px); line-height: 2.1; letter-spacing: .09em; text-align: center; padding: 22px 0 32px; }
.pinyin { font-family: var(--sans); color: var(--ink-3); font-size: 13px; letter-spacing: .04em; margin: -15px 0 20px; text-align: center; line-height: 2; }
.translation-block { border-top: 1px solid var(--line); padding-top: 26px; }
.translation-block h2 { font-family: Georgia, serif; font-size: 26px; color: var(--jade); margin: 8px 0 14px; }
.translation-block p { font-family: Georgia, serif; color: var(--ink-2); font-size: 17px; line-height: 1.9; }
.detail-section { padding: 34px 0; border-bottom: 1px solid var(--line); }
.detail-section h2 { font-family: var(--serif); font-size: 29px; margin: 12px 0 15px; }
.detail-section p { color: var(--ink-2); font-size: 16px; }
.keyword-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.keyword { background: var(--paper-3); color: var(--jade); padding: 7px 11px; border-radius: 999px; font-size: 12px; font-weight: 750; }
.detail-aside { position: sticky; top: 104px; display: grid; gap: 14px; }
.info-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: rgba(250,248,242,.68); }
.info-card h2 { font-family: var(--serif); font-size: 20px; margin-bottom: 17px; }
.definition-list { display: grid; gap: 12px; margin: 0; }
.definition-list div { display: grid; grid-template-columns: 80px 1fr; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.definition-list div:last-child { border-bottom: 0; padding-bottom: 0; }
.definition-list dt { color: var(--ink-3); font-size: 12px; }
.definition-list dd { margin: 0; font-size: 13px; font-weight: 650; }
.source-button { width: 100%; border: 1px solid var(--line); background: var(--paper-2); border-radius: 12px; padding: 12px 14px; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 750; }
.source-detail { padding-top: 14px; color: var(--ink-3); font-size: 12px; }
.source-detail p { margin-bottom: 10px; }
.rights-row { display: grid; gap: 9px; margin-top: 15px; }
.rights-pill { display: flex; gap: 9px; align-items: flex-start; color: var(--ink-2); font-size: 12px; }
.rights-pill > span:first-child { color: var(--jade); }
.related-list { display: grid; gap: 10px; }
.related-item { border: 1px solid var(--line); border-radius: 12px; padding: 13px; display: flex; justify-content: space-between; gap: 14px; align-items: center; }
.related-item:hover { background: var(--jade-soft); border-color: transparent; }
.related-item strong { font-family: var(--serif); }
.related-item small { display: -webkit-box; color: var(--ink-3); margin-top: 2px; line-height: 1.45; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.idiom-core { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 28px; }
.meaning-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 23px; background: rgba(250,248,242,.68); }
.meaning-card .panel-label { display: block; margin-bottom: 11px; }
.meaning-card.accent .panel-label { color: #d8be91; }
.meaning-card h2 { font-family: Georgia, var(--serif); font-size: 23px; margin: 0; }
.meaning-card p { margin: 10px 0 0; color: var(--ink-2); font-size: 13px; }
.meaning-card.accent p { color: rgba(255,255,255,.72); }
.example-pair { display: grid; gap: 11px; margin-top: 18px; padding: 20px; border-left: 3px solid var(--cinnabar); background: rgba(181,80,61,.05); }
.example-pair p { margin: 0; }
.example-en { font-family: Georgia, serif; color: var(--jade) !important; }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 100; transform: translate(-50%,24px); opacity: 0; pointer-events: none; background: var(--ink); color: #fff; border-radius: 999px; padding: 11px 16px; box-shadow: var(--shadow); font-size: 13px; transition: .2s ease; }
.toast.show { opacity: 1; transform: translate(-50%,0); }

@media (max-width: 1080px) {
  .desktop-nav { display: none; }
  .menu-button { display: inline-flex; }
  .hero-grid { gap: 40px; grid-template-columns: 1fr .82fr; }
  .content-card { grid-column: span 6; }
  .search-layout { grid-template-columns: 1fr; }
  .search-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .detail-grid { gap: 34px; }
}
@media (max-width: 760px) {
  :root { --header-h: 64px; }
  .container, .header-inner { width: min(calc(100% - 32px),var(--max)); }
  .site-header { height: var(--header-h); }
  .header-inner { gap: 12px; }
  .brand-seal { width: 36px; height: 36px; font-size: 20px; }
  .brand-text strong { font-size: 16px; }
  .brand-text span { display: none; }
  .icon-button { display: none; }
  .lang-button { min-height: 38px; padding: 0 10px; font-size: 12px; }
  .menu-button { min-height: 38px; width: 38px; }
  .hero { min-height: 0; padding: 44px 0 50px; }
  .hero::before { width: 280px; height: 280px; right: -120px; top: 260px; }
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero h1 { font-size: clamp(42px,13vw,58px); margin-top: 16px; }
  .hero-lead { font-size: 16px; }
  .search-shell { padding: 6px; border-radius: 15px; }
  .search-shell svg { margin-left: 8px; }
  .search-submit { padding: 0 17px; height: 44px; }
  .search-input { height: 44px; }
  .hero-feature { min-height: 410px; padding: 24px; }
  .feature-poem { margin-top: 38px; }
  .feature-poem h2 { font-size: 36px; }
  .poem-lines { font-size: 21px; }
  .section { padding: 58px 0; }
  .section-tight { padding: 38px 0; }
  .section-head { align-items: flex-start; flex-direction: column; margin-bottom: 24px; }
  .content-grid { grid-template-columns: 1fr; }
  .content-card { grid-column: auto; min-height: 240px; }
  .category-list { grid-template-columns: 1fr; gap: 2px; }
  .trust-section { grid-template-columns: 1fr; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 18px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .subhero { padding: 36px 0 26px; }
  .search-heading { font-size: 34px; }
  .search-layout { gap: 30px; }
  .result-toolbar { align-items: flex-start; flex-direction: column; }
  .result-card { grid-template-columns: 54px 1fr; gap: 14px; padding: 18px; }
  .result-mark { width: 54px; height: 54px; border-radius: 14px; font-size: 22px; }
  .result-arrow { display: none; }
  .result-summary, .result-en { grid-column: 1 / -1; }
  .search-aside { grid-template-columns: 1fr; }
  .detail-hero { padding-top: 28px; }
  .detail-heading { grid-template-columns: 1fr auto; gap: 16px; }
  .detail-heading h1 { font-size: 48px; }
  .detail-seal { width: 68px; height: 68px; font-size: 25px; border-radius: 22px; }
  .detail-grid { grid-template-columns: 1fr; padding: 30px 0 60px; }
  .reading-panel { padding: 24px 18px; border-radius: 22px; }
  .full-poem { font-size: 22px; letter-spacing: .02em; line-height: 2.15; }
  .detail-aside { position: static; }
  .idiom-core { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}