:root{--bg:#F6EDE4;--bg-deep:#E8D8C8;--card:#FFF8F2;--soft:#F0E4D6;--ink:#1A1612;--text:#2A241C;--muted:#5A5048;--aux:#7A7068;--orange:#E07030;--brown:#B06030;--line:rgba(26,22,18,.12);--focus:rgba(224,112,48,.50);--shadow:0 12px 28px rgba(26,22,18,.10)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--ink);color:var(--card);padding:10px 14px}
.skip-link:focus{top:8px}
.top-shell{position:fixed;z-index:40;left:0;right:0;top:0}
.orange-edge{height:20px;background:var(--ink);color:var(--bg);font-size:12px}
.top-inner,.head-inner,.block-inner,.page-wrap,.footer-inner{width:min(960px,calc(100% - 32px));margin:0 auto}
.top-inner{height:20px;display:flex;align-items:center;justify-content:space-between}
.text-button{border:0;background:transparent;color:var(--bg);padding:0;min-width:44px;height:20px;font-size:12px}
.black-head{height:54px;background:var(--card);border-bottom:1px solid rgba(224,112,48,.55)}
.head-inner{height:54px;display:flex;align-items:center;justify-content:space-between}
.brand-link{min-height:44px;display:flex;align-items:center}
.brand-logo,.menu-logo,.footer-logo{height:24px;width:auto;object-fit:contain;object-position:center}
.brand-fallback{font-weight:800;font-size:16px;letter-spacing:.04em;color:var(--ink)}
.head-actions{display:flex;align-items:center;gap:10px}
.head-app,.menu-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;font-size:14px}
.head-app{padding:0 14px;border:1px solid var(--orange);background:var(--card);color:var(--ink)}
.menu-button{padding:0 14px;border:0;background:linear-gradient(135deg,var(--ink) 0%,var(--orange) 100%);color:var(--card)}
.block-nav{height:46px;background:var(--card);border-bottom:1px solid var(--line)}
.block-inner{height:46px;display:flex;align-items:center;gap:26px}
.block-item{display:inline-flex;align-items:center;gap:8px;font-size:13px;min-height:44px}
.nav-square{width:18px;height:18px;border:1px solid var(--ink);border-radius:2px;background:transparent}
.block-item.is-current .nav-square{background:var(--orange);border-color:var(--orange)}
.site-main{padding-top:120px;min-height:60vh}
.page-wrap{padding:34px 0 54px}
.hero-index{padding-top:28px}
.h1,.page-wrap h1{font-size:24px;line-height:1.3;color:var(--ink);margin:0 0 12px}
.page-wrap h2{font-size:20px;line-height:1.4;color:var(--ink);margin:0 0 10px}
.page-wrap h3{font-size:16px;line-height:1.45;color:var(--ink);margin:0 0 8px}
p{margin:0 0 14px}
.eyebrow{font-size:13px;color:var(--brown);font-weight:700;letter-spacing:.08em;margin-bottom:8px}
.lead{font-size:16px;color:var(--muted);max-width:760px}
.muted{color:var(--muted)}
.index-blocks{display:flex;gap:10px;margin-bottom:24px;flex-wrap:wrap}
.index-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:var(--orange);color:var(--card);border-radius:4px;font-size:13px}
.index-chip span{width:10px;height:10px;background:var(--card);border-radius:2px}
.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.btn{min-height:44px;padding:0 16px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--ink) 0%,var(--orange) 100%);color:var(--card)}
.btn-secondary{background:var(--card);border:1px solid var(--orange);color:var(--ink)}
.section{margin-top:38px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.section-head p{margin:0;color:var(--muted);max-width:520px}
.card{background:var(--card);border:1px solid var(--line);border-radius:4px;box-shadow:var(--shadow)}
.image-slot{background:var(--card);border:1px dashed rgba(26,22,18,.16);display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:120px}
.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.slant-row{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:24px;align-items:stretch;background:var(--soft);padding:18px;border-radius:5px;border:1px solid var(--line)}
.slant-image{height:176px;clip-path:polygon(0 0,100% 0,90% 100%,0 100%);background:var(--card)}
.slant-image img{width:100%;height:100%;object-fit:contain}
.double-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.double-card{padding:18px}
.double-card .image-slot{height:188px;margin-bottom:14px}
.sheet-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.sheet{position:relative;padding:20px 22px 22px;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow)}
.sheet:before{content:"";position:absolute;top:0;right:0;border-style:solid;border-width:0 0 22px 22px;border-color:transparent transparent var(--bg-deep) transparent}
.sheet .image-slot{height:184px;margin-bottom:14px}
.center-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:820px;margin:0 auto}
.center-card{padding:22px;text-align:center}
.center-card .image-slot{height:190px;margin-bottom:14px}
.triptych{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.triptych article{padding:18px;background:var(--card);border-top:4px solid var(--orange);box-shadow:var(--shadow)}
.status-list{display:grid;gap:10px}
.status-row{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:15px 16px;background:var(--card);border-left:5px solid var(--orange);border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.status-row strong{color:var(--ink)}
.app-row{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:24px;align-items:center}
.app-shot{height:320px;background:var(--card);border:1px solid var(--line);border-radius:5px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.app-shot img{width:100%;height:100%;object-fit:contain}
.app-icon-wrap{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.app-icon{width:48px;height:48px;object-fit:contain;background:var(--card);border:1px solid var(--line);border-radius:6px}
.article-column{display:grid;gap:18px}
.article-block{padding:20px 22px;background:var(--card);border:1px solid var(--line);border-radius:4px}
.article-block.orange{background:var(--orange);color:var(--card);border-color:var(--orange)}
.article-block.orange h2,.article-block.orange h3{color:var(--card)}
.article-block.dark{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.article-block.dark h2,.article-block.dark h3{color:var(--card)}
.topic-list{display:grid;gap:12px}
.topic-item{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:18px;background:var(--card);border:1px solid var(--line)}
.memo-list{display:grid;gap:12px}
.memo-item{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:start;padding:16px;background:var(--card);border:1px solid var(--line)}
.memo-num{width:34px;height:34px;border-radius:4px;background:var(--orange);color:var(--card);display:flex;align-items:center;justify-content:center;font-weight:700}
.method-steps{counter-reset:method;display:grid;gap:16px}
.method-step{counter-increment:method;padding:18px 20px 18px 70px;background:var(--card);border:1px solid var(--line);position:relative}
.method-step:before{content:counter(method);position:absolute;left:18px;top:18px;width:34px;height:34px;background:var(--ink);color:var(--card);display:flex;align-items:center;justify-content:center;border-radius:3px;font-weight:700}
.faq-list{display:grid;gap:12px}
.faq-item{padding:18px 20px;background:var(--card);border:1px solid var(--line)}
.faq-item h2{font-size:16px;margin-bottom:8px}
.banner-slot{height:200px;background:var(--card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin:18px 0 22px;overflow:hidden}
.banner-slot img{width:100%;height:100%;object-fit:contain}
.inline-image{height:220px;background:var(--card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin:16px 0;overflow:hidden}
.inline-image img{width:100%;height:100%;object-fit:contain}
.site-footer{background:var(--ink);color:var(--bg);border-top:1px solid var(--orange);padding:34px 0 calc(38px + env(safe-area-inset-bottom))}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.footer-brand div{display:flex;flex-direction:column;line-height:1.2}.footer-brand strong{color:var(--card)}.footer-brand span{font-size:12px;color:var(--bg)}
.footer-mark{color:var(--card)}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.footer-grid h2{font-size:13px;color:var(--card);margin:0 0 8px}
.footer-grid a{display:block;font-size:13px;color:var(--bg);padding:3px 0}
.footer-note,.copyright{font-size:13px;color:var(--bg)}
.footer-note{border-top:1px solid rgba(246,237,228,.15);padding-top:20px;margin-top:22px}
.copyright{margin-bottom:0;color:#d7cbc0}
.overlay{position:fixed;inset:0;background:rgba(26,22,18,.56);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}
.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.menu-panel{position:fixed;z-index:80;top:28px;left:50%;width:min(320px,88vw);max-height:360px;transform:translate(-50%,-18px);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease;border-radius:6px;overflow:hidden}
.menu-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.menu-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line)}
.menu-brand{display:flex;align-items:center;gap:10px}.menu-brand strong{color:var(--ink)}
.close-button{min-height:44px;padding:0 12px;border:1px solid var(--orange);background:var(--card);color:var(--ink);border-radius:4px}
.menu-scroll{max-height:296px;overflow:auto;padding:6px 12px 14px}
.menu-group{padding:8px 0;border-bottom:1px solid var(--line)}.menu-group:last-child{border-bottom:0}.menu-group h2{font-size:13px;margin:0 0 6px;color:var(--brown)}
.menu-group a{display:grid;grid-template-columns:72px 1fr;gap:8px;padding:7px 0;min-height:44px;align-items:center}.menu-group a span{font-weight:700;color:var(--ink)}.menu-group a small{font-size:12px;color:var(--muted);line-height:1.45}
.search-layer{position:fixed;z-index:85;left:50%;top:80px;width:min(680px,calc(100% - 32px));transform:translate(-50%,-12px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.search-card{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);padding:18px;border-radius:6px}
.search-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.search-head strong{display:block;font-size:16px;color:var(--ink)}.search-head span{font-size:13px;color:var(--muted)}
.search-label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
.search-input{width:100%;height:44px;border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:0 12px;border-radius:4px}
.search-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-links a{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:4px;color:var(--ink)}
.mobile-bottom{display:none}
.is-locked{overflow:hidden}
.link-list{display:grid;gap:10px}.link-list a{min-height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;background:var(--card);border:1px solid var(--line)}
@media (hover:hover){.btn:hover,.head-app:hover,.block-item:hover,.footer-grid a:hover,.menu-group a:hover,.search-links a:hover,.link-list a:hover{filter:brightness(.97)}.menu-button:hover{filter:brightness(1.08)}}
@media (max-width:720px){
    .block-nav{display:none}.site-main{padding-top:74px;padding-bottom:58px}.page-wrap{padding-top:26px}.top-inner,.head-inner,.page-wrap,.footer-inner{width:calc(100% - 32px)}
    .slant-row,.double-cards,.sheet-grid,.center-cards,.triptych,.app-row,.topic-item{grid-template-columns:1fr}
    .slant-image{max-width:300px;width:100%}.section-head{align-items:flex-start;flex-direction:column;gap:6px}.status-row{grid-template-columns:1fr;gap:6px}.footer-grid{grid-template-columns:1fr 1fr}.app-shot{max-width:320px;width:100%;margin:0 auto}.banner-slot{height:200px}
    .mobile-bottom{position:fixed;z-index:60;left:0;right:0;bottom:0;display:grid;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-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-bottom a.is-current{background:var(--orange);color:var(--ink)}
    .site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
    .search-layer{inset:0;width:100%;height:100%;transform:none;background:var(--ink);padding:74px 16px 60px}.search-layer.is-open{transform:none}.search-card{background:var(--ink);color:var(--bg);border-color:rgba(246,237,228,.2);box-shadow:none}.search-head strong,.search-head span,.search-label{color:var(--bg)}.search-input{background:#2a241f;color:var(--card);border-color:rgba(246,237,228,.25)}.search-links a{background:#2a241f;color:var(--card);border-color:rgba(246,237,228,.18)}.search-card .close-button{background:var(--ink);color:var(--card)}
    .menu-panel{top:16px}.head-actions{gap:6px}.head-app,.menu-button{padding:0 11px}.h1,.page-wrap h1{font-size:24px}
}