:root{
  --bg:#F6EDE4;--deep:#E8D8C8;--paper:#FFF8F2;--soft:#F0E4D6;--title:#1A1612;--text:#2A241C;--muted:#5A5048;--aux:#7A7068;--orange:#E07030;--black:#1A1612;--copper:#B06030;--border:rgba(26,22,18,.12);--hot:rgba(224,112,48,.50);--shadow:0 12px 28px rgba(26,22,18,.10);--max:960px;
}
*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}html.locked,body.locked{overflow:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}a,button{outline:none}a:focus-visible,button:focus-visible{box-shadow:0 0 0 3px var(--hot)}img{display:block;max-width:100%;height:auto}.top-edge{position:fixed;top:0;left:0;right:0;height:20px;background:var(--black);color:var(--bg);z-index:80;font-size:12px}.top-edge-inner,.site-head-inner,.quick-nav-inner{max-width:var(--max);height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 16px}.mini-brand{font-weight:700;letter-spacing:.06em}.text-trigger{height:20px;border:0;background:transparent;color:var(--bg);padding:0 4px;cursor:pointer;font-size:12px}.site-head{position:fixed;top:20px;left:0;right:0;height:54px;background:var(--paper);border-bottom:1px solid var(--orange);z-index:79}.brand-link{min-width:44px;height:44px;display:flex;align-items:center}.brand-logo,.footer-logo{height:24px;width:auto;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:800;color:var(--title)}.head-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-button{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:4px;font-size:14px}.app-link{background:linear-gradient(135deg,#1A1612 0%,#E07030 100%);color:var(--paper)}.menu-button{border:1px solid var(--orange);background:var(--paper);color:var(--title);cursor:pointer}.quick-nav{position:fixed;top:74px;left:0;right:0;height:46px;background:var(--paper);z-index:78;border-bottom:1px solid var(--border)}.quick-nav-inner{justify-content:flex-start;gap:22px}.quick-item{display:inline-flex;align-items:center;gap:7px;min-height:44px;font-size:13px}.quick-item span{width:18px;height:18px;border:1px solid var(--black);border-radius:2px}.quick-item.is-active span{background:var(--orange);border-color:var(--orange)}.site-main{max-width:var(--max);margin:0 auto;padding:152px 16px 72px}.page-hero{margin:0 0 24px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--copper);font-weight:700}.eyebrow::before{content:"";width:24px;height:3px;background:var(--orange)}h1,h2,h3{margin-top:0;color:var(--title);line-height:1.3}h1{font-size:24px;margin-bottom:12px}h2{font-size:20px;margin-bottom:12px}h3{font-size:16px;margin-bottom:8px}p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted);max-width:780px}.section{margin:24px 0 34px}.panel,.card{background:var(--paper);border:1px solid var(--border);border-radius:4px;box-shadow:var(--shadow)}.panel{padding:24px}.card{padding:20px}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:42px;padding:0 18px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.btn-primary{background:linear-gradient(135deg,#1A1612 0%,#E07030 100%);color:var(--paper)}.btn-secondary{background:var(--paper);border:1px solid var(--orange);color:var(--title)}.media-slot{min-height:150px;background:var(--paper);border:1px solid var(--border);border-radius:4px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.banner{height:200px}.media-slot.portrait{height:320px}.media-slot.slant-media{height:176px;max-width:300px}.media-slot.card-media{height:190px}.index-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.index-chips a{background:var(--orange);color:var(--paper);padding:7px 11px;border-radius:3px;font-size:13px;font-weight:700}.slant-block{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:24px;align-items:center;background:var(--soft);padding:22px;border-radius:4px;clip-path:polygon(0 0,100% 0,97% 100%,0 100%)}.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.scroll-pages{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}.scroll-page{background:var(--paper);border:1px solid var(--border);padding:22px;border-radius:3px;position:relative}.scroll-page::after{content:"";position:absolute;right:0;top:0;bottom:0;width:4px;background:var(--orange);opacity:.45}.rack-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.rack-head{grid-column:1/-1}.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period-item{background:var(--black);color:var(--paper);padding:20px;border-radius:4px}.period-item h3{color:var(--paper)}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:150px 1fr auto;gap:16px;align-items:center;background:var(--paper);border:1px solid var(--border);padding:14px 16px;border-radius:4px}.status{font-size:13px;padding:5px 9px;border-radius:999px;background:var(--soft);color:var(--title)}.app-feature{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:24px;align-items:center}.app-mini{display:flex;align-items:center;gap:12px;margin-bottom:14px}.app-icon-slot{width:48px;height:48px;min-height:48px;flex:0 0 48px}.app-icon-slot img{width:48px;height:48px}.faq-mini,.faq-list{display:grid;gap:12px}.faq-item{background:var(--paper);border:1px solid var(--border);padding:18px;border-radius:4px}.center-card{max-width:760px;margin:0 auto;text-align:center}.center-card .media-slot{margin-bottom:18px}.check-list{display:grid;gap:10px}.check-list article{background:var(--paper);border-left:4px solid var(--orange);padding:18px}.method-steps{counter-reset:step;display:grid;gap:12px}.method-steps article{counter-increment:step;background:var(--paper);border:1px solid var(--border);padding:18px 18px 18px 62px;position:relative}.method-steps article::before{content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;display:grid;place-items:center;background:var(--orange);color:var(--paper);border-radius:3px;font-weight:800}.topic-list{display:grid;gap:14px}.topic-list article{display:grid;grid-template-columns:120px 1fr;gap:20px;background:var(--paper);padding:18px;border:1px solid var(--border)}.topic-list strong{color:var(--orange)}.terms section{padding:20px 0;border-bottom:1px solid var(--border)}.terms section:last-child{border-bottom:0}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.note-box{background:var(--soft);border:1px solid var(--hot);padding:18px;border-radius:4px}.site-footer{background:var(--black);color:var(--bg);border-top:2px solid var(--orange);font-size:13px}.footer-inner{max-width:var(--max);margin:auto;padding:34px 16px 82px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:24px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-grid h2{font-size:14px;color:var(--paper);margin-bottom:8px}.footer-grid a{display:block;color:var(--bg);padding:4px 0}.footer-note{margin-top:24px;color:#d8cabe}.copyright{color:#b8aaa0;margin-bottom:0}.screen-overlay{position:fixed;inset:0;background:rgba(26,22,18,.52);z-index:90;visibility:hidden;opacity:0;pointer-events:none;transition:.18s}.screen-overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.menu-panel{position:fixed;left:50%;top:24px;transform:translate(-50%,-24px);width:320px;max-height:360px;background:var(--paper);z-index:95;border:1px solid var(--orange);box-shadow:var(--shadow);border-radius:5px;overflow:auto;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.menu-panel.is-open{transform:translate(-50%,0);visibility:visible;opacity:1;pointer-events:auto}.menu-top{position:sticky;top:0;background:var(--paper);display:flex;justify-content:space-between;align-items:center;padding:12px;border-bottom:1px solid var(--border);z-index:2}.menu-brand{display:flex;align-items:center;gap:8px}.menu-brand img{height:24px;width:auto;object-fit:contain}.close-button,.search-head button{border:1px solid var(--orange);background:var(--paper);min-height:40px;padding:0 12px;border-radius:4px;cursor:pointer}.menu-groups{padding:10px 12px 16px}.menu-groups section{padding:8px 0;border-bottom:1px solid var(--border)}.menu-groups section:last-child{border-bottom:0}.menu-groups h2{font-size:13px;color:var(--orange);margin:0 0 6px}.menu-groups a{display:flex;justify-content:space-between;gap:8px;padding:8px 0}.menu-groups b{font-size:14px}.menu-groups span{font-size:12px;color:var(--muted);text-align:right}.search-panel{position:fixed;left:0;right:0;top:74px;z-index:94;visibility:hidden;opacity:0;pointer-events:none;transition:.18s}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{max-width:720px;margin:auto;background:var(--paper);border:1px solid var(--orange);box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.preset-links{display:flex;gap:8px;flex-wrap:wrap}.preset-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;background:var(--soft);border:1px solid var(--border);border-radius:3px}.mobile-bottom{display:none}
@media (max-width:760px){
  .quick-nav{display:none}.site-main{padding-top:106px;padding-bottom:86px}.slant-block,.dual-grid,.scroll-pages,.rack-grid,.period-grid,.app-feature,.topic-list article,.contact-grid{grid-template-columns:1fr}.slant-block{clip-path:none}.slant-block .slant-media{max-width:none}.rack-head{grid-column:auto}.status-row{grid-template-columns:1fr;gap:7px}.footer-grid{grid-template-columns:1fr 1fr}.footer-inner{padding-bottom:90px}.mobile-bottom{position:fixed;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(4,1fr);background:var(--paper);border-top:1px solid var(--border);z-index:85}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-active{background:var(--orange);color:var(--title);font-weight:800}.menu-panel{width:88%;max-height:78vh}.search-panel{inset:0;top:0;background:var(--black)}.search-card{height:100%;max-width:none;background:var(--black);color:var(--paper);border:0;padding:80px 16px}.search-head strong{color:var(--paper)}.search-head button{background:var(--black);color:var(--paper)}.preset-links a{background:#2c2722;border-color:rgba(255,248,242,.2);color:var(--paper)}
}
@media (max-width:420px){.head-actions{gap:4px}.app-link,.menu-button{padding:0 10px}.footer-grid{grid-template-columns:1fr}.panel,.card{padding:18px}.site-main{padding-left:16px;padding-right:16px}}