*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F3E6C8;color:#4A3418;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",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%;height:auto}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-60px;z-index:1000;background:#FFF8E8;color:#3A2A12;padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.site-header{position:fixed;inset:0 0 auto 0;z-index:100}.sprout-line{height:22px;background:#5A3C16;color:#FFF8E8;font-size:12px}.top-inner,.pod-inner,.ridge-inner{max-width:1080px;margin:0 auto;padding:0 16px}.top-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.top-action{border:0;background:transparent;color:#FFF8E8;min-width:44px;height:22px;cursor:pointer;padding:0 8px}.pod-bar{height:56px;background:#F3E6C8;border-bottom:1px solid rgba(90,60,22,.16)}.pod-inner{height:56px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px}.brand-link{justify-self:start;min-height:44px;display:flex;align-items:center}.brand-logo{height:26px;width:auto;max-width:170px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:800;color:#3A2A12;white-space:nowrap}.app-link,.menu-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;font-size:14px}.app-link{justify-self:center;padding:0 18px;background:linear-gradient(135deg,#8A5A22 0%,#5A3C16 100%);color:#FFF8E8}.menu-button{justify-self:end;border:1px solid rgba(90,60,22,.42);background:#FFF8E8;color:#5A3C16;padding:0 16px;cursor:pointer}.ridge-tabs{height:38px;background:#FFF8E8;border-bottom:1px solid rgba(90,60,22,.16)}.ridge-inner{height:38px;display:flex;align-items:center;justify-content:space-between}.ridge-left,.ridge-right{display:flex;align-items:center;gap:8px}.ridge-tabs a{min-height:30px;padding:4px 12px;border-radius:7px;font-size:13px;display:inline-flex;align-items:center}.ridge-tabs a.is-active{background:#5A3C16;color:#FFF8E8}.page-shell{max-width:1080px;margin:0 auto;padding:142px 16px 70px;min-height:65vh}h1,h2,h3,p{margin-top:0}h1{font-size:24px;line-height:1.3;color:#3A2A12;margin-bottom:14px}h2{font-size:20px;line-height:1.4;color:#3A2A12;margin-bottom:12px}h3{font-size:16px;color:#3A2A12;margin-bottom:8px}p{margin-bottom:14px}.eyebrow{font-size:13px;color:#7A5A28;font-weight:700;letter-spacing:.08em;margin-bottom:7px}.lead{font-size:16px;color:#4A3418;max-width:780px}.hero-intro,.section-block,.article-block,.terms-block{background:#FFF8E8;border:1px solid rgba(90,60,22,.16);border-radius:12px;box-shadow:0 12px 28px rgba(58,42,18,.08)}.hero-intro{padding:28px;margin-bottom:20px}.section-block,.article-block,.terms-block{padding:24px;margin:18px 0}.primary-link,.secondary-link{min-height:42px;padding:0 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14px}.timeline-item:before{content:"";position:absolute;left:-22px;top:8px;width:9px;height:9px;border-radius:50%;background:#6A7A38;border:2px solid #FFF8E8;box-shadow:0 0 0 1px rgba(90,60,22,.42)}.timeline-item:last-child{padding-bottom:0}.note-split{display:grid;grid-template-columns:1fr 1fr;gap:16px}.note-panel{background:#F7EDD4;border:1px solid rgba(90,60,22,.16);border-radius:10px;padding:18px}.note-panel ul,.check-list{margin:0;padding-left:1.2em}.note-panel li,.check-list li{margin:7px 0}.theme-bars{display:grid;gap:10px}.theme-bar{display:grid;grid-template-columns:minmax(130px,.7fr) 1.6fr auto;gap:14px;align-items:center;background:#F7EDD4;border:1px solid rgba(90,60,22,.16);border-left:4px solid #8A5A22;border-radius:8px;padding:14px}.status{font-size:12px;color:#5A3C16;background:#FFF8E8;border:1px solid rgba(90,60,22,.16);border-radius:999px;padding:4px 9px;white-space:nowrap}.app-section{display:grid;grid-template-columns:320px 1fr;gap:24px;align-items:center}.app-copy .icon-wrap{width:58px;height:58px;background:#F7EDD4;border-radius:12px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(90,60,22,.16);margin-bottom:12px}.app-copy .icon-wrap img{width:48px;height:48px;object-fit:contain}.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.faq-mini{background:#F7EDD4;border:1px solid rgba(90,60,22,.16);border-radius:10px;padding:16px}.faq-mini p{margin-bottom:0}.method-list{display:grid;gap:12px}.method-item{background:#FFF8E8;border:1px solid rgba(90,60,22,.16);border-radius:10px;padding:18px}.observe-directory{display:grid;grid-template-columns:220px 1fr;gap:20px}.observe-index{position:sticky;top:132px;align-self:start;background:#F7EDD4;border:1px solid rgba(90,60,22,.16);border-radius:10px;padding:14px}.observe-index a{display:block;padding:9px 10px;border-radius:7px}.observe-index a:hover,.observe-index a:focus-visible{background:#FFF8E8}.observe-content section{background:#FFF8E8;border:1px 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span{font-size:12px;color:#7A5A28}.search-layer{position:fixed;z-index:195;left:0;right:0;top:78px;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{max-width:760px;margin:12px auto;background:#FFF8E8;border:1px solid rgba(90,60,22,.16);box-shadow:0 12px 28px rgba(58,42,18,.12);border-radius:12px;padding:18px}.search-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.search-head>div{display:flex;flex-direction:column}.search-head span{font-size:13px;color:#7A5A28}.search-label{display:block;font-size:12px;color:#7A5A28;margin:14px 0 6px}.search-card input{width:100%;height:44px;border:1px solid rgba(90,60,22,.42);background:#FFFDF6;color:#3A2A12;border-radius:9px;padding:0 12px}.preset-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.preset-links a{background:#F7EDD4;border-radius:8px;padding:10px 12px}.preset-links span{font-size:12px;color:#7A5A28;margin-left:6px}.ui-locked{overflow:hidden}.mobile-bottom{display:none}
@media (max-width:760px){.ridge-tabs{display:none}.page-shell{padding:100px 16px 76px}.pod-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-link{min-width:0}.brand-logo{max-width:120px}.app-link,.menu-button{padding:0 11px}.quad-grid,.faq-grid,.memo-grid{grid-template-columns:1fr}.note-split{grid-template-columns:1fr}.theme-bar{grid-template-columns:1fr;gap:7px}.app-section{grid-template-columns:1fr}.app-media{height:300px}.observe-directory{grid-template-columns:1fr}.observe-index{position:static}.topic-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.footer-inner{padding-bottom:82px}.mobile-bottom{display:grid;position:fixed;z-index:150;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);grid-template-columns:repeat(5,1fr);background:#FFF8E8;border-top:1px solid rgba(90,60,22,.16)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:12px;min-width:0}.mobile-bottom a.is-active{background:#5A3C16;color:#FFF8E8}.search-layer{inset:0;top:0;background:#5A3C16;color:#FFF8E8}.search-card{height:100dvh;max-width:none;margin:0;border:0;border-radius:0;background:#5A3C16;color:#FFF8E8;box-shadow:none;padding:22px 16px}.search-head strong{color:#FFF8E8}.search-head span,.search-label{color:#F3E6C8}.search-card .close-button{background:#FFF8E8}.search-card input{background:#FFF8E8}.preset-links{grid-template-columns:1fr}.preset-links a{background:#FFF8E8;color:#3A2A12}.preset-links span{color:#7A5A28}.hero-intro,.section-block,.article-block,.terms-block{padding:20px}.ordinal{grid-template-columns:1fr;gap:4px}.banner-slot{height:180px}}
@media (max-width:420px){.top-inner{padding:0 12px}.pod-inner{padding:0 12px}.brand-fallback{font-size:15px}.app-link,.menu-button{font-size:13px;padding:0 9px}.footer-grid{grid-template-columns:1fr 1fr}.quad-card{padding:12px}}
/* 扩展紧凑顶栏与垄签的实际点击区域，同时保持指定视觉高度 */
.top-action{position:relative;height:22px;overflow:visible}
.top-action::before{content:"";position:absolute;left:-6px;right:-6px;top:-11px;bottom:-11px}
.ridge-tabs a{position:relative}
.ridge-tabs a::before{content:"";position:absolute;left:-4px;right:-4px;top:-7px;bottom:-7px}
.primary-link,.secondary-link{min-height:44px}