:root {
    --bg: #0F0E0A;
    --deep: #090807;
    --panel: #17150F;
    --panel-2: #1F1B12;
    --title: #F6E7B8;
    --text: #E4D4A2;
    --muted: #B39A5E;
    --soft: #8C7744;
    --gold: #E0B12A;
    --gold-bright: #F0C84A;
    --gold-deep: #A37A14;
    --sand: #F3E6C4;
    --line: rgba(224,177,42,0.18);
    --line-strong: rgba(224,177,42,0.46);
    --shadow: 0 12px 28px rgba(0,0,0,0.35);
    --max: 1120px;
    --radius: 12px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif; font-size: 15px; line-height: 1.7; overflow-x: hidden; }
body.ui-locked { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 3px; }
.skip-link { position: fixed; z-index: 500; top: 8px; left: 8px; transform: translateY(-150%); background: var(--gold-bright); color: #1A1406; padding: 8px 12px; border-radius: 8px; }
.skip-link:focus { transform: none; }
.site-header { position: fixed; z-index: 120; top: 0; left: 0; right: 0; box-shadow: 0 8px 22px rgba(0,0,0,.18); }
.gold-line { height: 22px; background: var(--deep); color: var(--gold-bright); border-bottom: 1px solid var(--line); font-size: 12px; }
.top-inner, .scroll-inner, .tag-inner, .footer-inner, .content-wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.top-inner { height: 22px; display: flex; align-items: center; justify-content: space-between; }
.top-search-button { position: relative; min-height: 22px; border: 0; padding: 0 2px; color: var(--gold-bright); background: transparent; font-size: 12px; }
.top-search-button::before { content: ''; position: absolute; inset: -11px -10px; }
.scroll-bar { height: 60px; background: var(--deep); border-bottom: 1px solid var(--line-strong); }
.scroll-inner { height: 60px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; }
.brand-link { justify-self: start; min-height: 44px; display: inline-flex; align-items: center; }
.brand-logo, .drawer-logo, .footer-logo { height: 28px; width: auto; object-fit: contain; object-position: center; }
.brand-fallback { color: var(--title); font-size: 16px; font-weight: 700; letter-spacing: .08em; }
.drawer-button, .app-link { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; font-size: 14px; }
.drawer-button { min-width: 88px; border: 1px solid var(--line-strong); background: var(--panel); color: var(--sand); }
.app-link { justify-self: end; padding: 0 16px; background: linear-gradient(135deg,#F0C84A 0%,#E0B12A 55%,#A37A14 100%); color: #1A1406; font-weight: 700; }
.tag-bar { height: 40px; background: #4B3810; border-bottom: 1px solid var(--line-strong); }
.tag-inner { height: 40px; display: flex; justify-content: center; align-items: stretch; gap: 4px; }
.tag-link { min-width: 120px; display: inline-flex; align-items: center; justify-content: center; color: var(--sand); font-size: 13px; border-left: 1px solid rgba(240,200,74,.12); border-right: 1px solid rgba(240,200,74,.12); }
.tag-link:hover, .tag-link.is-active { background: var(--gold); color: #1A1406; }
.site-main { min-height: 70vh; padding-top: 122px; padding-bottom: 64px; }
.page-shell { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.page-head { padding: 42px 0 24px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.eyebrow { margin: 0 0 8px; color: var(--gold-bright); font-size: 12px; letter-spacing: .15em; }
h1, h2, h3 { color: var(--title); margin-top: 0; }
h1 { font-size: 24px; line-height: 1.3; margin-bottom: 12px; }
h2 { font-size: 20px; line-height: 1.4; margin-bottom: 12px; }
h3 { font-size: 16px; line-height: 1.45; margin-bottom: 8px; }
p { margin: 0 0 14px; }
.lead { color: var(--sand); max-width: 820px; font-size: 16px; }
.muted { color: var(--muted); }
.section { margin: 0 0 28px; padding: 24px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.section + .section { margin-top: 20px; }
.section p:last-child { margin-bottom: 0; }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); min-width: 0; }
.card p:last-child { margin-bottom: 0; }
.media-slot { width: 100%; background: var(--deep); border: 1px solid var(--line); border-radius: 12px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.media-slot img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.media-180 { height: 180px; }
.media-200 { height: 200px; }
.media-260 { height: 260px; }
.media-360 { height: min(360px, 68vw); }
.hero { padding: 30px 0 12px; }
.hero .media-slot { margin-bottom: 22px; }
.hero-copy { max-width: 850px; }
.hero-copy .brand-kicker { color: var(--gold-bright); letter-spacing: .14em; font-size: 12px; margin-bottom: 6px; }
.hero-copy h1 { font-size: 24px; margin-bottom: 12px; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.btn-primary, .btn-secondary { height: 42px; min-width: 132px; padding: 0 16px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; font-size: 14px; white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg,#F0C84A 0%,#E0B12A 55%,#A37A14 100%); color: #1A1406; font-weight: 700; }
.btn-secondary { background: var(--deep); color: var(--sand); border: 1px solid var(--line-strong); }
.btn-primary:hover, .btn-secondary:hover { transform: translateY(-1px); }
.home-section { margin-top: 30px; }
.home-section > h2 { margin-bottom: 16px; }
.number-line, .focus-list, .shelf-list, .plain-list, .timeline { list-style: none; padding: 0; margin: 0; }
.number-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 16px 0; }
.number-line li { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px; color: var(--sand); }
.number-line strong, .focus-no { color: var(--gold-bright); margin-right: 6px; }
.shelf-list li { display: grid; grid-template-columns: 1fr auto; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.shelf-list li:last-child { border-bottom: 0; }
.shelf-list span { color: var(--muted); }
.focus-list li { display: grid; grid-template-columns: 52px 1fr; gap: 12px; align-items: start; padding: 15px 0; border-bottom: 1px solid var(--line); }
.focus-list li:last-child { border-bottom: 0; }
.focus-no { font-size: 22px; line-height: 1; }
.timeline { border-left: 1px solid var(--line-strong); margin-left: 8px; padding-left: 24px; }
.timeline li { position: relative; padding: 0 0 22px; }
.timeline li::before { content: ''; position: absolute; left: -30px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 5px rgba(224,177,42,.12); }
.status { display: inline-flex; min-height: 28px; align-items: center; padding: 0 10px; margin-bottom: 8px; border-radius: 999px; background: var(--gold); color: #1A1406; font-size: 12px; font-weight: 700; }
.note-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.note-grid div { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.app-panel { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); gap: 24px; align-items: center; }
.app-badge { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.app-badge .media-slot { width: 50px; height: 50px; flex: 0 0 50px; }
.app-badge .media-slot img { width: 48px; height: 48px; }
.faq-mini details, .faq-list details { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-bottom: 10px; }
.faq-mini summary, .faq-list summary { cursor: pointer; color: var(--title); font-weight: 700; }
.faq-mini details p, .faq-list details p { margin: 12px 0 0; color: var(--text); }
.article-grid { display: grid; grid-template-columns: 230px 1fr; gap: 24px; align-items: start; }
.article-index { position: sticky; top: 144px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.article-index a { display: block; padding: 8px 0; color: var(--muted); border-bottom: 1px solid var(--line); }
.article-index a:last-child { border-bottom: 0; }
.article-index a:hover { color: var(--gold-bright); }
.big-number-list { counter-reset: item; display: grid; gap: 14px; }
.big-number-item { display: grid; grid-template-columns: 74px 1fr; gap: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.big-number-item .no { font-size: 28px; color: var(--gold-bright); line-height: 1; font-weight: 700; }
.index-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.index-cards a { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; min-height: 128px; }
.index-cards a:hover { border-color: var(--line-strong); background: var(--panel-2); }
.index-cards span { display: block; color: var(--muted); margin-top: 6px; }
.notice { border-left: 3px solid var(--gold); background: var(--panel-2); padding: 14px 16px; color: var(--sand); border-radius: 0 10px 10px 0; }
.rule-list { margin: 0; padding-left: 20px; }
.rule-list li { margin-bottom: 8px; }
.rule-list li::marker { color: var(--gold); }
.site-footer { background: var(--deep); border-top: 1px solid var(--line-strong); color: var(--text); padding: 34px 0 74px; font-size: 13px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.footer-logo-link { min-height: 44px; display: flex; align-items: center; }
.footer-brand strong, .footer-brand span { display: block; }
.footer-brand strong { color: var(--title); font-size: 16px; }
.footer-brand span { color: var(--muted); font-size: 12px; letter-spacing: .08em; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.footer-grid h2 { font-size: 13px; color: var(--gold-bright); margin-bottom: 8px; }
.footer-grid a { display: block; min-height: 30px; color: var(--text); }
.footer-grid a:hover { color: var(--gold-bright); }
.footer-note { color: var(--muted); margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); }
.footer-copy { color: var(--soft); margin-bottom: 0; }
.overlay { position: fixed; z-index: 150; inset: 0; background: rgba(0,0,0,.72); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .2s ease, visibility .2s ease; }
.overlay.is-visible { opacity: 1; visibility: visible; pointer-events: auto; }
.drawer-panel { position: fixed; z-index: 180; top: 0; left: 0; bottom: 0; width: min(400px, 86vw); background: var(--deep); border-right: 1px solid var(--line-strong); transform: translateX(-102%); visibility: hidden; pointer-events: none; transition: transform .24s ease, visibility .24s ease; overflow-y: auto; box-shadow: var(--shadow); }
.drawer-panel.is-open { transform: translateX(0); visibility: visible; pointer-events: auto; }
.drawer-head { position: sticky; z-index: 2; top: 0; display: flex; align-items: center; justify-content: space-between; min-height: 66px; padding: 10px 16px; background: var(--deep); border-bottom: 1px solid var(--line); }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); }
.close-button { min-height: 44px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--panel); color: var(--sand); }
.drawer-groups { padding: 14px 16px 28px; }
.drawer-groups section { margin-bottom: 20px; }
.drawer-groups h2 { font-size: 13px; color: var(--gold-bright); margin-bottom: 6px; }
.drawer-groups a { display: block; padding: 11px 0; border-bottom: 1px solid var(--line); }
.drawer-groups strong, .drawer-groups span { display: block; }
.drawer-groups strong { color: var(--sand); }
.drawer-groups span { color: var(--muted); font-size: 12px; line-height: 1.5; margin-top: 2px; }
.search-layer { position: fixed; z-index: 175; top: 82px; left: 0; right: 0; visibility: hidden; pointer-events: none; transform: translateY(-12px); opacity: 0; transition: .2s ease; }
.search-layer.is-open { visibility: visible; pointer-events: auto; transform: none; opacity: 1; }
.search-card { width: min(760px, calc(100% - 32px)); margin: 12px auto; background: var(--deep); border: 1px solid var(--line-strong); border-radius: 14px; box-shadow: var(--shadow); padding: 18px; }
.search-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 10px; }
.search-head h2 { margin: 0; font-size: 18px; }
.search-card label { display: block; color: var(--muted); margin-bottom: 8px; }
.search-card input { width: 100%; min-height: 44px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--panel); color: var(--sand); padding: 0 12px; }
.search-presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.search-presets a { min-height: 40px; display: inline-flex; align-items: center; padding: 0 12px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--line); color: var(--sand); }
.search-empty { margin-top: 14px; color: var(--muted); }
.mobile-bottom { display: none; }
@media (max-width: 800px) {
    .site-main { padding-top: 82px; padding-bottom: 86px; }
    .tag-bar { display: none; }
    .top-inner, .scroll-inner, .tag-inner, .footer-inner, .content-wrap, .page-shell { width: calc(100% - 32px); }
    .scroll-inner { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 8px; }
    .brand-link { max-width: 100%; overflow: hidden; }
    .brand-logo { max-width: 104px; }
    .drawer-button { min-width: 72px; }
    .app-link { padding: 0 10px; white-space: nowrap; }
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .number-line { grid-template-columns: 1fr 1fr; }
    .note-grid { grid-template-columns: 1fr 1fr; }
    .app-panel { grid-template-columns: 1fr; }
    .article-grid { grid-template-columns: 1fr; }
    .article-index { position: static; }
    .index-cards { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .search-layer { inset: 0; background: var(--deep); overflow-y: auto; }
    .search-card { width: 100%; min-height: 100%; margin: 0; border: 0; border-radius: 0; padding: 22px 16px calc(86px + env(safe-area-inset-bottom)); }
    .mobile-bottom { position: fixed; z-index: 110; left: 0; right: 0; bottom: 0; height: calc(48px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); display: grid; grid-template-columns: repeat(5, 1fr); background: var(--deep); border-top: 1px solid var(--line-strong); }
    .mobile-bottom a { display: flex; align-items: center; justify-content: center; min-width: 0; color: var(--text); font-size: 12px; }
    .mobile-bottom a.is-active { background: var(--gold); color: #1A1406; font-weight: 700; }
    .site-footer { padding-bottom: calc(78px + env(safe-area-inset-bottom)); }
}
@media (max-width: 520px) {
    .page-head { padding-top: 30px; }
    .section { padding: 18px; }
    .hero { padding-top: 20px; }
    .media-260 { height: 220px; }
    .media-200 { height: 180px; }
    .media-180 { height: 160px; }
    .number-line { grid-template-columns: 1fr; }
    .note-grid { grid-template-columns: 1fr; }
    .big-number-item { grid-template-columns: 50px 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .shelf-list li { grid-template-columns: 1fr; gap: 4px; }
}