:root{--bg:#F6EDE4;--deep:#E8D8C8;--card:#FFF8F2;--sub:#F0E4D6;--text:#2A241C;--title:#1A1612;--muted:#5A5048;--faint:#7A7068;--orange:#E07030;--black:#1A1612;--copper:#B06030;--line:rgba(26,22,18,.12);--oline:rgba(224,112,48,.50);--shadow:0 12px 28px rgba(26,22,18,.10);--max:960px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.skip-link{position:fixed;left:12px;top:-60px;z-index:1000;background:var(--black);color:var(--card);padding:8px 12px}.skip-link:focus{top:8px}.top-edge{position:fixed;z-index:70;top:0;left:0;right:0;height:20px;background:var(--black);color:var(--bg);font-size:12px}.top-edge-inner,.site-head-inner,.quick-strip-inner,.footer-inner{width:min(var(--max),calc(100% - 32px));margin:auto}.top-edge-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-trigger{border:0;background:none;color:var(--bg);font-size:12px;padding:0 4px;min-height:20px}.site-head{position:fixed;z-index:69;top:20px;left:0;right:0;height:54px;background:var(--card);border-bottom:1px solid var(--orange)}.site-head-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-link,.footer-logo-link{display:inline-flex;align-items:center;min-height:44px}.brand-logo{display:block;height:24px;max-width:130px;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}.head-app,.menu-trigger{height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:4px;font-size:14px}.head-app{border:1px solid var(--orange);background:var(--card);color:var(--title)}.menu-trigger{border:0;background:linear-gradient(135deg,#1A1612 0%,#E07030 100%);color:var(--card)}.quick-strip{position:fixed;z-index:68;top:74px;left:0;right:0;height:46px;background:var(--card);border-bottom:1px solid var(--line)}.quick-strip-inner{height:46px;display:flex;align-items:center;gap:26px}.quick-item{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:13px}.quick-square{width:18px;height:18px;border:1px solid var(--black);border-radius:2px;background:transparent}.quick-item.is-current .quick-square{background:var(--orange);border-color:var(--orange)}.site-main{padding-top:138px;min-height:70vh}.page-shell{width:min(var(--max),calc(100% - 32px));margin:0 auto 70px}.page-hero{padding:28px 0 24px;border-bottom:1px solid var(--line)}h1,h2,h3{color:var(--title);line-height:1.3;margin-top:0}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;line-height:1.8;max-width:760px}.eyebrow{font-size:13px;color:var(--copper);font-weight:700;letter-spacing:.05em;margin-bottom:8px}.muted{color:var(--muted)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:4px;font-size:14px}.btn-primary{background:linear-gradient(135deg,#1A1612 0%,#E07030 100%);color:var(--card)}.btn-secondary{background:var(--card);border:1px solid var(--orange);color:var(--title)}a:hover,.text-trigger:hover{text-decoration:underline}.btn:hover,.head-app:hover,.menu-trigger:hover{text-decoration:none;transform:translateY(-1px)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(224,112,48,.35);outline-offset:2px}.section{padding:32px 0;border-bottom:1px solid var(--line)}.section:last-child{border-bottom:0}.media-slot{background:var(--card);border:1px solid var(--line);border-radius:4px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:120px}.media-slot img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.media-empty{width:42px;height:2px;background:var(--oline);box-shadow:0 8px 0 var(--line),0 -8px 0 var(--line)}.index-markers{display:flex;gap:8px;margin-bottom:18px}.index-markers span{width:18px;height:18px;border-radius:2px;background:var(--orange);display:inline-block}.slant-row{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:28px;align-items:center}.slant-media{height:176px;clip-path:polygon(0 0,92% 0,100% 100%,8% 100%)}.double-cards,.sheet-pair,.info-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:18px;box-shadow:var(--shadow)}.card.flat{box-shadow:none}.card .media-slot{height:170px;margin-bottom:14px}.sheet{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:20px;position:relative}.sheet:after{content:"";position:absolute;right:10px;top:10px;bottom:10px;width:2px;background:var(--orange);opacity:.25}.shelf-head{height:180px;margin-bottom:16px}.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:4px}.app-split{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:28px;align-items:center}.app-visual{height:320px}.app-icon-row{display:flex;align-items:center;gap:12px;margin:12px 0}.app-icon{width:48px;height:48px;min-height:48px;flex:0 0 48px}.faq-mini{display:grid;gap:10px}.faq-mini details{background:var(--card);border:1px solid var(--line);padding:14px 16px;border-radius:4px}.faq-mini summary{font-weight:700;color:var(--title);cursor:pointer}.orange-index{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.orange-index a{background:var(--orange);color:var(--card);padding:12px;border-radius:4px;text-align:center}.angled-list{display:grid;gap:12px}.angled-item{background:var(--card);border:1px solid var(--line);padding:18px 20px;clip-path:polygon(0 0,98% 0,100% 50%,98% 100%,0 100%,2% 50%)}.left-right{display:grid;grid-template-columns:280px 1fr;gap:26px;align-items:start}.left-right .media-slot{height:220px}.single-flow{max-width:780px}.single-flow section{padding:20px 0;border-bottom:1px solid var(--line)}.memo-list{display:grid;gap:12px}.memo-item{background:var(--card);border-left:4px solid var(--orange);padding:16px 18px;border-radius:3px}.topic-list{display:grid;gap:14px}.topic-item{display:grid;grid-template-columns:140px 1fr;border:1px solid var(--line);background:var(--card);border-radius:4px;overflow:hidden}.topic-label{background:var(--black);color:var(--card);display:flex;align-items:center;justify-content:center;padding:16px;font-weight:700}.topic-body{padding:16px}.center-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.center-card{text-align:center;background:var(--card);border:1px solid var(--line);padding:22px;border-radius:4px}.terms{display:grid;gap:16px}.term{background:var(--card);border:1px solid var(--line);padding:18px;border-radius:4px}.banner-slot{height:200px;margin:10px 0 24px}.site-footer{background:var(--black);color:var(--bg);border-top:1px solid var(--orange);padding:34px 0 80px;font-size:13px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:24px}.footer-brand strong{font-size:16px}.footer-brand span{color:#d9cabd}.footer-fallback{font-size:16px;font-weight:800}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-groups h2{font-size:14px;color:var(--card);margin-bottom:8px}.footer-groups a{display:block;color:var(--bg);padding:3px 0}.footer-note{max-width:760px;margin-top:24px;color:#dfd2c6}.footer-copy{margin-top:10px;color:#bfb2a6}.page-shade{position:fixed;z-index:80;inset:0;background:rgba(26,22,18,.44);opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.page-shade.is-open{opacity:1;visibility:visible;pointer-events:auto}.menu-panel{position:fixed;z-index:90;top:28px;left:50%;width:320px;max-height:360px;overflow:auto;transform:translate(-50%,-18px);background:var(--card);border:1px solid var(--orange);border-radius:6px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.18s;padding:14px}.menu-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.menu-top,.search-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.menu-brand{display:flex;align-items:center;gap:8px}.icon-close{min-height:40px;border:1px solid var(--line);background:var(--card);color:var(--title);border-radius:4px;padding:0 12px}.menu-groups{display:grid;gap:14px;margin-top:12px}.menu-groups section{border-top:1px solid var(--line);padding-top:10px}.menu-groups h2{font-size:13px;color:var(--copper);margin-bottom:6px}.menu-groups a{display:grid;grid-template-columns:72px 1fr;gap:8px;padding:7px 0}.menu-groups a span{color:var(--muted);font-size:12px}.search-layer{position:fixed;z-index:89;top:74px;left:50%;width:min(620px,calc(100% - 32px));transform:translateX(-50%);opacity:0;visibility:hidden;pointer-events:none}.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-card{background:var(--card);border:1px solid var(--orange);box-shadow:var(--shadow);padding:18px;border-radius:6px}.search-card h2{margin:0}.search-card label{display:block;color:var(--muted);font-size:13px;margin:12px 0 6px}.search-card input{width:100%;height:44px;border:1px solid var(--line);border-radius:4px;background:#fff;padding:0 12px;color:var(--title)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{display:inline-flex;align-items:center;min-height:40px;padding:0 12px;background:var(--sub);border:1px solid var(--line);border-radius:4px}.locked{overflow:hidden}.mobile-bar{display:none}.note-box{background:var(--sub);border-left:4px solid var(--orange);padding:14px 16px;border-radius:3px;margin:16px 0}.quote-line{border-left:4px solid var(--black);padding-left:16px;color:var(--muted)}.numbered{counter-reset:item;display:grid;gap:12px}.numbered .card{counter-increment:item;position:relative;padding-left:54px}.numbered .card:before{content:counter(item);position:absolute;left:18px;top:18px;width:24px;height:24px;border-radius:2px;background:var(--orange);color:var(--card);display:flex;align-items:center;justify-content:center;font-weight:700}.faq-list{display:grid;gap:12px}.faq-item{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:18px}.faq-item h2{font-size:17px}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-card{background:var(--card);border:1px solid var(--line);padding:18px;border-radius:4px}.contact-card a{color:var(--copper);text-decoration:underline}.small{font-size:13px;color:var(--muted)}
@media (max-width:760px){.quick-strip{display:none}.site-main{padding-top:92px;padding-bottom:58px}.top-edge-inner,.site-head-inner,.footer-inner,.page-shell{width:calc(100% - 32px)}.head-actions{gap:6px}.head-app,.menu-trigger{padding:0 10px}.slant-row,.left-right,.app-split{grid-template-columns:1fr}.slant-media{width:100%;max-width:300px}.double-cards,.sheet-pair,.info-pair,.period-grid,.center-cards,.contact-grid{grid-template-columns:1fr}.orange-index{grid-template-columns:1fr 1fr}.topic-item{grid-template-columns:1fr}.topic-label{justify-content:flex-start}.status-row{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}.menu-panel{width:88%;max-height:78vh;top:28px}.search-layer{inset:0;width:auto;transform:none;background:var(--black);padding:88px 16px 70px}.search-card{background:var(--black);color:var(--bg);border-color:var(--orange);box-shadow:none}.search-card h2,.search-card p,.search-card label{color:var(--bg)}.search-card input{background:var(--card)}.search-presets a{background:#2b241d;color:var(--bg);border-color:rgba(255,255,255,.12)}.search-layer .icon-close{background:#2b241d;color:var(--bg);border-color:rgba(255,255,255,.12)}.mobile-bar{display:grid;position:fixed;z-index:67;left:0;right:0;bottom:0;grid-template-columns:repeat(4,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--card);border-top:1px solid var(--line)}.mobile-bar a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bar a.is-current{background:var(--orange);color:var(--title);font-weight:700}.site-footer{padding-bottom:95px}.page-hero{padding-top:22px}}
@media (max-width:430px){.footer-groups{grid-template-columns:1fr}.orange-index{grid-template-columns:1fr}.head-app{max-width:86px}.menu-groups a{grid-template-columns:64px 1fr}}