:root{color-scheme:light;--bg:#f5f7fb;--panel:#fff;--panel2:#f8faff;--ink:#202b40;--muted:#718099;--soft:#eef2fa;--line:#e6ebf3;--line2:#dbe3f0;--primary:#4267e9;--primarydark:#304bb9;--positive:#14876d;--posbg:#e9faf4;--negative:#ce5151;--negbg:#fff0ef;--shadow:0 8px 32px #22325b0b;--radius:16px;--hover:#f0f4ff}
:root[data-theme="dark"]{color-scheme:dark;--bg:#101722;--panel:#172232;--panel2:#1b293a;--ink:#eaf0fb;--muted:#94a7c1;--soft:#233248;--line:#2b3a4e;--line2:#374760;--primary:#91a5ff;--primarydark:#b3c1ff;--positive:#6fd9b5;--posbg:#13392f;--negative:#f3a49d;--negbg:#3e242b;--shadow:none;--hover:#293951}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft Yahei",sans-serif}button,input,select{font:inherit}button{cursor:pointer}a{text-decoration:none;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8aa3ff;outline-offset:2px}::selection{background:#b3c5ff66}button{border:0}pre,code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}code{overflow-wrap:anywhere}kbd{font:11px ui-monospace,monospace;border:1px solid var(--line2);padding:2px 5px;border-radius:5px;color:var(--muted)}[hidden]{display:none!important}
.topbar{position:sticky;top:0;height:69px;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--panel);border-bottom:1px solid var(--line);padding:0 clamp(18px,3.5vw,50px)}.brand,.brand-link,.top-actions,.topnav{display:flex;align-items:center}.brand-link{gap:12px}.brand-logo{display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#5677f7,#3155dc);color:white;width:38px;height:38px;border-radius:11px;font-size:27px;font-weight:700;box-shadow:0 4px 9px #4a6aef33}.brand strong{font-size:16px;display:block;letter-spacing:.2px;line-height:1.4}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.5px;line-height:1.3}.topnav{gap:6px;align-self:stretch}.topnav a{padding:0 14px;display:flex;align-items:center;position:relative;color:var(--muted);font-weight:600;white-space:nowrap;font-size:13px}.topnav a:hover,.topnav a.active{color:var(--primary)}.topnav a.active:after{content:"";height:3px;position:absolute;bottom:0;left:14px;right:14px;background:var(--primary);border-radius:9px}.top-actions{gap:10px}.header-search{display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:var(--panel2);border-radius:9px;padding:6px 9px;color:var(--muted);font-size:18px}.header-search span{font-size:12px}.header-search kbd{margin-left:12px}.icon-btn{background:var(--panel2);border:1px solid var(--line);color:var(--ink);width:35px;height:35px;border-radius:9px;font-size:18px}.icon-btn:hover{background:var(--soft)}.mobile-only{display:none}
.body-layout{max-width:1700px;margin:auto;display:grid;grid-template-columns:280px minmax(0,1fr) 208px;gap:25px;min-height:calc(100vh - 123px);padding:24px clamp(18px,3vw,44px)}.sidebar{position:sticky;top:92px;height:calc(100vh - 115px);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden;min-width:0}.side-search{padding:19px 16px 12px}.side-search label{display:block;font-size:12px;font-weight:700;margin-bottom:10px}.searchbox{display:flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid var(--line2);border-radius:9px}.searchbox:focus-within{border-color:var(--primary)}.searchbox>span:first-child{font-size:20px;color:var(--muted)}.searchbox input{min-width:0;flex:1;width:100%;border:0;outline:none!important;background:none;color:var(--ink);font-size:12px}.searchbox input::placeholder{color:#96a3b6}.shortcut{font-size:10px;color:var(--muted)}.side-controls{display:flex;gap:6px;margin-top:10px}.side-controls select{min-width:0;flex:1;max-width:100%;border:1px solid var(--line);color:var(--ink);background:var(--panel2);border-radius:7px;padding:6px;font-size:11px}.side-controls button{background:var(--soft);color:var(--muted);border-radius:7px;padding:5px 9px;font-size:11px}.side-caption{display:flex;justify-content:space-between;padding:14px 16px 10px;font-weight:700;color:var(--muted);font-size:11px;letter-spacing:.8px}.tree{overflow:auto;min-height:0;flex:1;padding:0 9px 15px;scrollbar-width:thin}.treeroot,.treegroup{margin:0}.tree summary{list-style:none;cursor:pointer;display:flex;gap:6px;align-items:center;min-height:36px;justify-content:space-between;padding:7px 9px;border-radius:8px;font-size:12px;font-weight:700}.tree summary::-webkit-details-marker{display:none}.tree summary:hover{background:var(--hover)}.tree summary .caret{font-size:9px;color:var(--muted);transform:rotate(-90deg);transition:transform .12s}.tree details[open]>summary .caret{transform:rotate(0)}.tree .tree-title{display:flex;align-items:center;gap:7px;min-width:0}.tree .tree-title span:nth-child(2){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree .folder{color:#edb65c}.tree .number{font-size:10px;font-weight:500;color:var(--muted)}.treegroup{margin-left:11px;border-left:1px solid var(--line);padding-left:7px}.treegroup summary{font-weight:500;font-size:11px}.leaf{display:flex;text-align:left;align-items:center;gap:8px;width:calc(100% - 5px);margin:2px 0 2px 5px;padding:7px 10px;border-radius:7px;background:none;color:var(--muted);font-size:12px}.leaf span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.leaf:hover{background:var(--hover);color:var(--primary)}.leaf.active{background:var(--soft);color:var(--primary);font-weight:700}.leaf .dot{width:5px;height:5px;border-radius:50%;background:var(--line2);flex-shrink:0}.leaf.active .dot{background:var(--primary)}.empty-search{font-size:12px;color:var(--muted);padding:15px}.side-footer{border-top:1px solid var(--line);padding:10px;text-align:center;font-size:10px;color:var(--muted)}
.content{min-width:0;max-width:100%;padding-bottom:35px}.right-rail{position:sticky;top:93px;height:max-content}.rail-card,.rail-tip{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 16px}.rail-title{font-size:12px;font-weight:800;margin-bottom:9px}.toc-link{display:block;border-left:2px solid var(--line);font-size:11.5px;color:var(--muted);padding:5px 8px;margin-left:2px}.toc-link:hover{color:var(--primary);border-color:var(--primary)}.rail-tip{background:var(--panel2);margin-top:15px;font-size:12px;color:var(--muted)}.rail-tip strong{font-size:12px;color:var(--ink)}.rail-tip p{margin:6px 0 0}.footer{border-top:1px solid var(--line);background:var(--panel);color:var(--muted);padding:15px clamp(20px,4vw,50px);display:flex;justify-content:space-between;gap:12px;font-size:11px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,15px);opacity:0;transition:.2s;pointer-events:none;background:#24344f;color:white;padding:9px 17px;border-radius:10px;z-index:100;font-size:12px}.toast.visible{opacity:1;transform:translate(-50%,0)}
.loading{text-align:center;color:var(--muted);padding:100px 0}.spinner{display:inline-block;width:18px;height:18px;border:3px solid var(--line2);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle;margin-right:8px}@keyframes spin{to{transform:rotate(360deg)}}
.hero{background:linear-gradient(120deg,#2f54cf,#476cf2 65%,#6885fb);color:white;border-radius:18px;padding:39px 37px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-40px;top:-70px;width:240px;height:240px;border:45px solid #ffffff18;border-radius:50%;pointer-events:none}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.5px;opacity:.9}.hero h1{font-size:clamp(26px,3vw,35px);line-height:1.35;margin:14px 0 9px}.hero p{font-size:14px;margin:0;color:#e8edff;max-width:700px}.hero-actions{display:flex;gap:10px;margin-top:23px;flex-wrap:wrap}.btn{border:1px solid var(--line2);background:var(--panel);color:var(--ink);border-radius:9px;padding:8px 13px;font-size:12px;font-weight:700;transition:background .15s}.btn:hover{background:var(--hover)}.btn.primary{background:var(--primary);border-color:var(--primary);color:white}.hero .btn.primary{background:white;color:#3157d8;border-color:white}.hero .btn.ghost{background:#ffffff20;border-color:#ffffff75;color:white}.statgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin:18px 0 27px}.statcard{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:15px 20px}.statnum{font-size:25px;font-weight:800;line-height:1.2;color:var(--primary)}.statname{margin-top:5px;font-size:12px;color:var(--muted)}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:28px 0 14px;gap:12px}.section-heading h2{font-size:18px;margin:0}.section-heading a{color:var(--primary);font-size:12px}.catgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.catcard,.guidecard{border:1px solid var(--line);background:var(--panel);text-align:left;padding:16px;border-radius:12px;color:var(--ink);transition:box-shadow .15s,transform .15s,border-color .15s}.catcard:hover,.guidecard:hover{box-shadow:var(--shadow);border-color:#aabaff;transform:translateY(-2px)}.catcard .cat-icon{font-size:23px}.catcard strong{display:block;font-size:13px;margin:5px 0}.catcard small{color:var(--muted);font-size:11px}.guidegrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.guidecard{display:block;min-height:96px}.guidecard .g-icon{font-size:20px}.guidecard strong{display:block;margin:8px 0 0;font-size:13px;line-height:1.45}.guidecard small{font-size:11px;color:var(--muted)}.quickchips{display:flex;flex-wrap:wrap;gap:8px}.chip{border:1px solid var(--line);background:var(--panel);border-radius:24px;padding:6px 12px;font-size:12px;color:var(--ink)}.chip:hover{border-color:var(--primary);color:var(--primary)}.notes{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:17px 20px;font-size:12px;color:var(--muted)}
.crumb{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-bottom:15px}.crumb a:hover{color:var(--primary)}.doc-hero{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:25px 28px 22px}.doc-head{display:flex;justify-content:space-between;align-items:start;gap:12px}.doc-head h1{font-size:30px;margin:0;line-height:1.4;word-break:break-word}.tagline{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin-top:8px}.tag{display:inline-block;border:1px solid var(--line);background:var(--panel2);padding:2px 8px;border-radius:50px;color:var(--muted);font-size:11px}.tag.special{color:var(--primary);background:var(--soft)}.icon-action{border:1px solid var(--line);background:var(--panel2);padding:7px 11px;border-radius:8px;white-space:nowrap;color:var(--ink);font-size:12px}.icon-action.active{background:#fff1c9;color:#805307}.doc-summary{margin:17px 0 0;font-size:14px;color:var(--muted);line-height:1.85}.pill-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:15px}.overview-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px 22px}.overview-card h3{margin:0 0 8px;font-size:12px;color:var(--muted);letter-spacing:.2px}.overview-card p{margin:0;font-size:13px;line-height:1.8}.section-card{scroll-margin-top:90px;background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-top:14px;overflow:hidden}.section-card summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none;font-weight:800;padding:17px 22px;font-size:15px}.section-card summary::-webkit-details-marker{display:none}.section-card summary:hover{background:var(--panel2)}.section-card summary .sectioncount{color:var(--muted);font-size:11px;font-weight:400;margin-left:10px}.section-card summary .chevron{font-size:11px;color:var(--muted);transform:rotate(-90deg)}.section-card[open] summary .chevron{transform:rotate(0)}.section-card .section-inner{padding:0 25px 21px}.section-card ul,.section-card ol{margin:0;padding-left:20px}.section-card li{padding:6px 0 6px 2px;border-bottom:1px dashed var(--line);font-size:13px;line-height:1.75}.section-card li:last-child{border-bottom:0}.section-card p{font-size:13px}.section-card.good{border-left:3px solid var(--positive)}.section-card.good summary{color:var(--positive)}.section-card.bad{border-left:3px solid var(--negative)}.section-card.bad summary{color:var(--negative)}.section-card .lead{font-weight:500}.doc-actions{margin-top:15px;display:flex;flex-wrap:wrap;gap:8px}.info-foot{padding:15px 0;color:var(--muted);font-size:11px}.lead-list{display:grid;gap:10px}.lead-item{background:var(--panel2);border-radius:8px;padding:10px 12px;font-size:13px}.empty-state{padding:50px 20px;background:var(--panel);border:1px solid var(--line);border-radius:15px;text-align:center;color:var(--muted)}
.markdown{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px 34px;margin-top:15px;overflow-wrap:anywhere;font-size:13px}.markdown h1{font-size:25px}.markdown h2{font-size:18px;margin-top:26px;padding-top:12px;border-top:1px solid var(--line)}.markdown h3{font-size:15px}.markdown p{line-height:1.85}.markdown ol,.markdown ul{padding-left:22px}.markdown li{margin:5px 0}.markdown code{background:var(--soft);padding:2px 5px;border-radius:4px;font-size:12px}.markdown pre{background:#172132;color:#e2e9fa;border-radius:10px;overflow:auto;padding:13px 18px;line-height:1.6}.markdown pre code{color:inherit;background:none;padding:0}.markdown blockquote{border-left:3px solid var(--primary);margin:15px 0;padding:5px 12px;color:var(--muted);background:var(--panel2)}.markdown a{color:var(--primary)}.markdown hr{border:0;border-top:1px solid var(--line);margin:20px 0}.markdown table{border-collapse:collapse;display:block;overflow:auto;width:100%}.markdown th,.markdown td{border:1px solid var(--line);padding:7px 10px}.markdown th{background:var(--panel2)}
@media(max-width:1250px){.body-layout{grid-template-columns:254px minmax(0,1fr);gap:18px}.right-rail{display:none}.topbar{padding:0 20px}.topnav a{padding:0 9px}.catgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.topnav{display:none}.header-search kbd,.header-search span{display:none}.header-search{padding:5px 11px}.mobile-only{display:inline-flex;align-items:center;justify-content:center;margin-right:9px}.body-layout{display:block;padding:17px 14px;min-height:80vh}.sidebar{position:fixed;top:70px;left:0;bottom:0;z-index:45;width:min(335px,88vw);height:calc(100vh - 70px);border-radius:0 13px 0 0;box-shadow:0 15px 30px #0a132e22;transform:translateX(-105%);transition:transform .2s}.sidebar.open{transform:translateX(0)}.mobile-shade{position:fixed;inset:70px 0 0;background:#0b17286e;z-index:40}.mobile-shade:not([hidden]){display:block}.content{max-width:920px;margin:auto}.topbar{height:70px}.brand strong{font-size:14px}.brand small{font-size:9px}.statgrid{grid-template-columns:repeat(2,1fr)}.hero{padding:29px 23px}.catgrid{grid-template-columns:repeat(2,minmax(0,1fr))}.pill-grid{grid-template-columns:1fr}.doc-hero{padding:20px}.doc-head h1{font-size:27px}.markdown{padding:22px}.footer{flex-direction:column;gap:4px}}
@media(max-width:520px){.brand-logo{height:34px;width:34px;font-size:25px}.top-actions{gap:6px}.hero h1{font-size:25px}.hero p{font-size:12px}.statcard{padding:14px}.statnum{font-size:22px}.guidegrid{grid-template-columns:1fr}.catgrid{grid-template-columns:1fr 1fr;gap:7px}.catcard{padding:12px}.catcard .cat-icon{font-size:18px}.catcard strong{font-size:11.5px}.doc-head{flex-direction:column}.section-card summary{padding:14px;font-size:13px}.section-card .section-inner{padding:0 17px 15px}.section-card li{font-size:12px}.doc-summary{font-size:13px}.markdown{padding:18px}.topbar{padding:0 14px}}

.direct-results{padding:7px 5px 10px;margin-bottom:10px;border-bottom:1px solid var(--line)}.direct-title{color:var(--primary);font-size:10px;font-weight:800;padding:0 9px 5px}