:root {
    --page: #F7F1D8;
    --deep: #E8DFA8;
    --content: #FFF9E8;
    --soft: #F0E8C0;
    --ink: #16140C;
    --text: #2A2614;
    --muted: #5A5428;
    --quiet: #7A7440;
    --yellow: #E8C430;
    --line: rgba(22,20,12,.12);
    --focus: rgba(232,196,48,.55);
    --shadow: 0 12px 28px rgba(22,20,12,.10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; background: var(--page); color: var(--text); font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif; font-size: 15px; line-height: 1.7; overflow-x: hidden; padding-bottom: 0; }
body.drawer-active, body.search-active { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
.wrap { width: min(960px, calc(100% - 32px)); margin: 0 auto; }
.smart-edge { position: fixed; z-index: 90; top: 0; left: 0; right: 0; height: 20px; background: var(--ink); color: var(--yellow); font-size: 12px; }
.edge-inner { height: 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.edge-search { min-width: 52px; height: 20px; padding: 0 8px; border: 0; background: transparent; color: var(--yellow); }
.smart-head { position: fixed; z-index: 89; top: 20px; left: 0; right: 0; height: 54px; background: var(--content); border-bottom: 1px solid var(--ink); }
.head-inner { height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand-link { min-height: 44px; display: inline-flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 800; }
.brand-image-slot { min-width: 24px; min-height: 24px; display: inline-flex; align-items: center; }
.brand-image { height: 24px; width: auto; object-fit: contain; object-position: center; }
.brand-image-slot:empty { display: none; }
.brand-image-slot:not(:empty) + .brand-fallback { display: none; }
.head-actions { display: flex; align-items: center; gap: 8px; }
.head-app, .drawer-open { height: 44px; min-width: 88px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; padding: 0 14px; font-size: 14px; white-space: nowrap; }
.head-app { color: var(--ink); background: linear-gradient(135deg,#16140C 0%,#E8C430 100%); border: 1px solid var(--ink); }
.drawer-open { background: var(--content); color: var(--ink); border: 1px solid var(--ink); }
.smart-grid { position: fixed; z-index: 88; top: 74px; left: 0; right: 0; height: 48px; background: var(--content); border-bottom: 1px solid var(--line); }
.grid-inner { height: 48px; display: flex; align-items: center; gap: 12px; }
.grid-link { width: 120px; height: 28px; border-radius: 12px; border: 1px solid var(--ink); display: inline-flex; align-items: center; justify-content: center; background: var(--content); color: var(--text); font-size: 13px; }
.grid-link.is-current { background: var(--ink); color: var(--yellow); }
.site-main { padding-top: 146px; min-height: 60vh; }
.page-section { padding: 30px 0; }
.page-section + .page-section { border-top: 1px solid var(--line); }
.eyebrow { display: inline-flex; min-height: 28px; padding: 3px 10px; align-items: center; border: 1px solid var(--focus); border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--content); }
h1, h2, h3 { margin: 0; color: var(--ink); line-height: 1.3; }
h1 { font-size: 24px; margin-top: 12px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }
p { margin: 10px 0 0; }
.lead { font-size: 16px; color: var(--muted); max-width: 780px; }
.hero-note { margin-top: 14px; padding: 16px 18px; border-left: 4px solid var(--yellow); background: var(--content); border-radius: 0 14px 14px 0; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.btn { height: 42px; padding: 0 18px; border-radius: 12px; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; min-width: 120px; border: 1px solid var(--ink); white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg,#16140C 0%,#E8C430 100%); color: var(--ink); }
.btn-secondary { background: var(--content); color: var(--text); }
a:hover, button:hover { filter: brightness(.97); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.quick-index { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin-bottom: 18px; }
.quick-index a { min-height: 54px; padding: 10px 14px; border: 1px solid var(--ink); border-radius: 14px; background: var(--content); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.quick-index span { color: var(--muted); font-size: 13px; }
.split-strips { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.strip { min-height: 220px; border-radius: 16px; border: 1px solid var(--line); background: var(--soft); padding: 18px; display: flex; flex-direction: column; justify-content: space-between; }
.strip-media { height: 160px; margin-bottom: 16px; border-radius: 14px; background: var(--content); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.strip-media img, .media-slot img, .center-media img, .banner-slot img, .icon-slot img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.stack-cards { display: grid; gap: 12px; }
.stack-card { border-radius: 16px; border: 1px solid var(--line); background: var(--content); padding: 18px; box-shadow: var(--shadow); }
.stack-card:nth-child(2) { margin-left: 4%; }
.stack-card:nth-child(3) { margin-left: 8%; }
.media-slot { height: 180px; background: var(--soft); border-radius: 14px; overflow: hidden; margin-bottom: 14px; display: flex; align-items: center; justify-content: center; }
.fold-list { display: grid; gap: 12px; }
.fold-item { display: grid; grid-template-columns: minmax(170px, .7fr) 1.3fr; gap: 0; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--content); }
.fold-side { padding: 18px; background: var(--ink); color: var(--page); }
.fold-side h3 { color: var(--yellow); }
.fold-body { padding: 18px; }
.center-cards { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; align-items: start; }
.center-card { border-radius: 16px; background: var(--content); border: 1px solid var(--line); padding: 20px; text-align: center; }
.center-media { height: 180px; background: var(--soft); border-radius: 14px; margin-bottom: 14px; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.periods { display: grid; grid-template-columns: 1fr; gap: 10px; }
.period-row { display: grid; grid-template-columns: 110px 1fr; gap: 16px; align-items: start; background: var(--content); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.period-row strong { color: var(--ink); }
.status-list { display: grid; gap: 10px; }
.status-row { display: grid; grid-template-columns: 130px 1fr auto; gap: 14px; align-items: center; padding: 16px; border-radius: 14px; background: var(--content); border: 1px solid var(--line); }
.status-badge { display: inline-flex; align-items: center; justify-content: center; min-width: 78px; min-height: 30px; border-radius: 999px; background: var(--yellow); color: var(--ink); font-weight: 700; font-size: 13px; }
.app-showcase { max-width: 720px; margin: 0 auto; text-align: center; }
.app-visuals { display: flex; gap: 18px; align-items: center; justify-content: center; margin: 18px auto; }
.app-main-slot { width: min(320px, 72vw); height: 320px; background: var(--content); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.app-main-slot img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.icon-slot { width: 64px; height: 64px; padding: 8px; background: var(--content); border: 1px solid var(--line); border-radius: 16px; display: flex; align-items: center; justify-content: center; }
.icon-slot img { width: 48px; height: 48px; }
.info-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.info-card { border-radius: 14px; padding: 18px; background: var(--content); border: 1px solid var(--line); }
.long-copy { max-width: 820px; }
.long-copy h2 { margin-top: 26px; }
.long-copy h3 { margin-top: 18px; }
.long-copy ul { margin: 10px 0 0; padding-left: 20px; }
.long-copy li + li { margin-top: 6px; }
.memo-list { display: grid; gap: 12px; counter-reset: memo; }
.memo-item { position: relative; padding: 18px 18px 18px 72px; border: 1px solid var(--line); background: var(--content); border-radius: 14px; }
.memo-item::before { counter-increment: memo; content: counter(memo, decimal-leading-zero); position: absolute; left: 18px; top: 18px; width: 38px; height: 38px; border-radius: 12px; background: var(--ink); color: var(--yellow); display: flex; align-items: center; justify-content: center; font-weight: 800; }
.method-list { display: grid; gap: 18px; }
.method-block { border-left: 6px solid var(--yellow); padding: 18px 20px; background: var(--content); border-radius: 0 14px 14px 0; }
.topic-list { display: grid; gap: 12px; }
.topic-item { display: grid; grid-template-columns: 160px 1fr; gap: 18px; align-items: start; padding: 18px; background: var(--content); border: 1px solid var(--line); border-radius: 14px; }
.topic-item strong { color: var(--ink); }
.rules { display: grid; gap: 12px; }
.rule { padding: 18px; background: var(--content); border-radius: 14px; border-top: 4px solid var(--yellow); box-shadow: var(--shadow); }
.faq-list { display: grid; gap: 12px; }
.faq-item { background: var(--content); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.faq-item h2 { font-size: 16px; }
.contact-paths { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.contact-card { border: 1px solid var(--line); border-radius: 14px; background: var(--content); padding: 18px; }
.banner-slot { height: 200px; border-radius: 16px; background: var(--content); border: 1px solid var(--line); overflow: hidden; display: flex; align-items: center; justify-content: center; margin: 18px 0; }
.brand-visual { height: 210px; border-radius: 16px; background: var(--soft); display: flex; align-items: center; justify-content: center; overflow: hidden; margin-top: 18px; }
.brand-visual img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.site-footer { margin-top: 40px; background: var(--ink); color: var(--page); border-top: 1px solid var(--yellow); padding: 28px 0 76px; font-size: 13px; }
.footer-inner { display: grid; gap: 22px; }
.footer-brand-link { display: inline-flex; gap: 12px; align-items: center; }
.footer-logo-slot:empty { display: none; }
.footer-logo { height: 24px; width: auto; object-fit: contain; object-position: center; }
.footer-brand strong, .footer-brand small { display: block; }
.footer-brand small { color: var(--yellow); margin-top: 2px; }
.footer-groups { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; }
.footer-groups h2 { color: var(--yellow); font-size: 13px; margin-bottom: 6px; }
.footer-groups a { display: block; min-height: 30px; color: var(--page); }
.footer-note { max-width: 780px; color: var(--page); }
.footer-copy { color: var(--yellow); }
.site-mask { position: fixed; z-index: 110; inset: 0; background: rgba(22,20,12,.48); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .2s ease, visibility .2s ease; }
body.drawer-active .site-mask, body.search-active .site-mask { opacity: 1; visibility: visible; pointer-events: auto; }
.smart-drawer { position: fixed; z-index: 120; top: 86px; right: 16px; width: min(32vw, 420px); min-width: 300px; max-height: calc(100vh - 110px); overflow-y: auto; background: var(--content); border: 1px solid var(--ink); border-radius: 16px; box-shadow: var(--shadow); transform: translateX(calc(100% + 40px)); visibility: hidden; pointer-events: none; transition: transform .24s ease, visibility .24s ease; }
body.drawer-active .smart-drawer { transform: translateX(0); visibility: visible; pointer-events: auto; }
.drawer-top { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px; background: var(--content); border-bottom: 1px solid var(--line); }
.drawer-brand { display: flex; align-items: center; gap: 8px; }
.drawer-logo-slot:empty { display: none; }
.drawer-logo { height: 24px; width: auto; object-fit: contain; }
.drawer-close { min-width: 64px; min-height: 44px; border-radius: 12px; border: 1px solid var(--ink); background: var(--content); color: var(--ink); }
.drawer-group { padding: 12px 14px; border-bottom: 1px solid var(--line); }
.drawer-group h2 { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.drawer-group a { display: grid; grid-template-columns: 72px 1fr; gap: 10px; min-height: 46px; align-items: center; border-radius: 10px; padding: 5px 8px; }
.drawer-group a:hover { background: var(--soft); }
.drawer-group span { font-size: 12px; color: var(--muted); }
.site-search { position: fixed; z-index: 125; top: 74px; left: 0; right: 0; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-14px); transition: all .2s ease; }
body.search-active .site-search { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.search-card { width: min(720px, calc(100% - 32px)); margin: 12px auto 0; background: var(--content); border: 1px solid var(--ink); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
.search-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.search-head strong, .search-head span { display: block; }
.search-head span { font-size: 13px; color: var(--muted); margin-top: 2px; }
.search-head button { min-width: 64px; min-height: 44px; border: 1px solid var(--ink); border-radius: 12px; background: var(--content); }
.search-input-label { display: block; margin-top: 14px; font-size: 13px; color: var(--muted); }
#search-input { width: 100%; height: 44px; margin-top: 6px; border: 1px solid var(--ink); border-radius: 12px; padding: 0 12px; background: var(--page); color: var(--ink); }
.search-links { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin-top: 12px; }
.search-links a { min-height: 44px; display: flex; align-items: center; justify-content: center; background: var(--soft); border: 1px solid var(--line); border-radius: 12px; }
.mobile-bar { display: none; }
@media (max-width: 760px) {
    body { padding-bottom: calc(48px + env(safe-area-inset-bottom)); }
    .smart-grid { display: none; }
    .site-main { padding-top: 98px; }
    .head-inner { gap: 8px; }
    .head-app, .drawer-open { min-width: 72px; padding: 0 10px; }
    .brand-link { min-width: 0; }
    .quick-index, .split-strips, .center-cards, .info-grid, .contact-paths { grid-template-columns: 1fr; }
    .fold-item { grid-template-columns: 1fr; }
    .period-row, .status-row, .topic-item { grid-template-columns: 1fr; gap: 8px; }
    .stack-card:nth-child(2), .stack-card:nth-child(3) { margin-left: 0; }
    .footer-groups { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .site-footer { padding-bottom: 92px; }
    .smart-drawer { top: 82px; right: 12px; width: min(86vw, 390px); min-width: 0; max-height: calc(100vh - 100px); }
    .site-search { inset: 20px 0 0; top: 20px; background: var(--ink); color: var(--yellow); display: flex; align-items: flex-start; }
    .search-card { width: 100%; margin: 0; min-height: calc(100vh - 20px); border-radius: 0; border: 0; background: var(--ink); color: var(--yellow); padding: 24px 16px 80px; }
    .search-head strong { color: var(--yellow); }
    .search-head span, .search-input-label { color: var(--page); }
    .search-head button { background: var(--ink); color: var(--yellow); border-color: var(--yellow); }
    #search-input { background: var(--content); color: var(--ink); }
    .search-links { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .search-links a { background: var(--content); color: var(--ink); }
    .mobile-bar { position: fixed; z-index: 100; left: 0; right: 0; bottom: 0; height: calc(48px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); background: var(--content); border-top: 1px solid var(--ink); display: grid; grid-template-columns: repeat(4,1fr); }
    .mobile-bar a { min-height: 48px; display: flex; align-items: center; justify-content: center; font-size: 13px; }
    .mobile-bar a.is-current { background: var(--yellow); color: var(--ink); font-weight: 700; }
    body.drawer-active .mobile-bar, body.search-active .mobile-bar { z-index: 80; }
}
@media (max-width: 420px) {
    .wrap { width: calc(100% - 32px); }
    .head-app { min-width: 68px; }
    .drawer-open { min-width: 62px; }
    .brand-fallback { font-size: 15px; }
    .app-visuals { flex-direction: column; }
    .footer-groups { grid-template-columns: 1fr 1fr; }
}

.mt-10 { margin-top: 10px; }
.mt-16 { margin-top: 16px; }
.mt-18 { margin-top: 18px; }
.actions-center { justify-content: center; }