:root{--ink:#1d2a25;--muted:#6f746d;--paper:#f4efe3;--cream:#fbf8f0;--red:#a54539;--red-dark:#723128;--blue:#477187;--green:#355e57;--line:#d8d0bf;--gold:#b59a64;--white:#fff;--serif:"Noto Serif SC","Songti SC","STSong",serif;--sans:"Noto Sans SC","Microsoft YaHei",sans-serif}
[hidden]{display:none!important}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);font-size:15px}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.wrap{width:min(1180px,calc(100% - 48px));margin:0 auto}
.topbar{height:78px;display:flex;align-items:center;gap:34px;padding:0 max(24px,calc((100vw - 1180px)/2));background:rgba(251,248,240,.95);border-bottom:1px solid #e3dccd;position:sticky;top:0;z-index:30;backdrop-filter:blur(10px)}
.brand{display:flex;align-items:center;gap:12px;border:0;background:none;color:var(--ink);padding:0;text-align:left;white-space:nowrap}
.brand b{display:block;font:700 18px var(--serif);letter-spacing:.08em}
.brand small{display:block;color:#7f817a;font-size:10px;letter-spacing:.08em;margin-top:3px}
.seal{display:grid;place-items:center;width:41px;height:41px;border:2px solid var(--red);color:var(--red);font:700 22px var(--serif);transform:rotate(-2deg);background:rgba(165,69,57,.04)}
nav{display:flex;align-items:center;gap:4px;margin:auto}
nav button{height:78px;border:0;border-bottom:2px solid transparent;padding:0 13px;background:transparent;color:#555c56;font-size:14px}
nav button:hover,nav button.active{color:var(--red);border-color:var(--red)}
.login-button{border:1px solid #b9ad99;background:transparent;padding:10px 16px;color:var(--ink);border-radius:2px;text-decoration:none}
.login-button:hover,.outline:hover{background:var(--ink);color:white}
.hero{min-height:575px;background:var(--green);color:#f8f3e8;position:relative;overflow:hidden}
.hero-pattern{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,black,transparent)}
.hero:after{content:"";position:absolute;width:680px;height:680px;border:1px solid rgba(255,255,255,.07);border-radius:50%;right:-260px;top:-270px}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;min-height:575px;position:relative;z-index:1}
.hero-copy{padding:82px 0 48px}
.eyebrow{display:block;color:var(--red);font-size:10px;font-weight:700;letter-spacing:.25em;margin-bottom:13px}
.eyebrow.light{color:#cfb982}
.hero h1{font:500 clamp(46px,6vw,78px)/1.12 var(--serif);margin:0;letter-spacing:.08em}
.hero h1 em{font-style:normal;color:#d5bd82}
.hero-copy>p{font:400 17px/2 var(--serif);max-width:620px;color:#d7e0db;margin:25px 0 34px}
.hero-actions{display:flex;align-items:center;gap:28px}
.primary{border:0;background:var(--red);color:white;padding:13px 22px;font-weight:600;border-radius:2px}
.primary:hover{background:var(--red-dark)}
.primary.pale{background:#e7d9b8;color:#243a34}
.primary.pale:hover{background:#fff0c9}
.primary span{margin-left:35px}
.text-button{color:#edf2ef;border:0;background:transparent;border-bottom:1px solid rgba(255,255,255,.4);padding:11px 0}
.version-line{display:flex;gap:28px;align-items:center;margin-top:52px;color:#b9c8c2;font-size:11px}
.version-line i{width:34px;height:1px;background:#d5bd82}
.version-line b{color:#e7d9b8;margin-right:5px}
.hero-art{position:relative;min-height:575px}
.moon{position:absolute;width:330px;height:330px;border-radius:50%;background:#e7ddc6;right:50px;top:64px;box-shadow:0 0 80px rgba(244,239,227,.12)}
.moon:after{content:"";position:absolute;inset:15px;border:1px solid rgba(53,94,87,.14);border-radius:50%}
.vertical-title{position:absolute;z-index:2;right:170px;top:115px;color:#344e47;font:400 30px/1.7 var(--serif);writing-mode:vertical-rl;letter-spacing:.25em}
.vertical-title b{color:var(--red);font-size:48px}
.big-seal{position:absolute;z-index:3;right:48px;top:330px;border:3px double #c17a66;color:#9e4637;background:#efe4cb;width:96px;height:96px;display:grid;place-items:center;text-align:center;font:700 27px/1.25 var(--serif);transform:rotate(4deg)}
.branch-lines{position:absolute;width:360px;height:190px;right:62px;bottom:18px;border-left:1px solid rgba(231,217,184,.35)}
.branch-lines:before{content:"";position:absolute;width:240px;border-top:1px solid rgba(231,217,184,.35);left:0;top:42px}
.branch-lines i{display:block;width:12px;height:12px;border:1px solid #d6bd83;background:var(--green);margin:36px 0 0 60px;transform:rotate(45deg)}
.intro-strip{background:#ede6d7;border-bottom:1px solid #d7cebc}
.stats{display:grid;grid-template-columns:1fr 1fr 1fr 1.1fr;min-height:105px}
.stats>div{display:flex;align-items:center;gap:16px;border-right:1px solid #d7cebc;padding:15px 30px 15px 0}
.stats>div:not(:first-child){padding-left:30px}
.stats strong{font:500 36px var(--serif);color:var(--red)}
.stats span{font-size:12px;line-height:1.7;color:#697069}
.stats>button{border:0;background:var(--red);color:white;text-align:left;padding:22px 30px;display:flex;flex-direction:column;justify-content:center}
.stats>button span{color:#e9cfc9;font-size:11px}
.stats>button b{font:600 15px var(--serif);margin-top:6px}
.section{padding:88px 0;scroll-margin-top:72px}
.section-head{margin-bottom:34px}
.section-head h2,.map-layout h2,.source-layout h2{font:600 clamp(32px,4vw,47px) var(--serif);margin:0 0 10px;letter-spacing:.06em}
.section-head p{color:var(--muted);margin:0;line-height:1.8}
.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.legend{display:flex;gap:16px;font-size:12px;color:#656c65}
.legend span{display:flex;align-items:center;gap:6px}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.male-dot{background:var(--blue)}
.female-dot{background:#bd6b73}
.hollow-dot{border:1px solid #656c65}
.living-dot{background:#6e8b70}
.demo-notice{background:#f0e6cf;border-left:3px solid var(--gold);padding:11px 15px;font-size:12px;color:#6b604b;margin-bottom:16px}
.demo-notice b{color:var(--ink);margin-right:8px}
.tree-shell{border:1px solid var(--line);background:#fffef9;box-shadow:0 18px 50px rgba(45,47,39,.06)}
.tree-tools{min-height:62px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:10px 14px}
.search-wrap{position:relative;width:280px}
.search{display:flex;align-items:center;gap:8px;border:1px solid #d8d0bf;background:white;padding:0 12px;width:100%;height:39px}
.search input{border:0;outline:0;width:100%;background:transparent}
.search:focus-within{border-color:#6a8178;box-shadow:0 0 0 2px rgba(75,104,93,.12)}
.search-results{position:absolute;z-index:30;top:45px;left:0;width:min(440px,calc(100vw - 56px));max-height:320px;overflow:auto;background:#fffef9;border:1px solid #cfc5b3;box-shadow:0 14px 35px rgba(45,47,39,.18);padding:7px}
.search-summary,.search-empty{margin:0;padding:8px 9px;color:#716b60;font-size:11px;line-height:1.55}
.search-result{display:block;width:100%;padding:9px 10px;text-align:left;border:0;border-top:1px solid #eee7da;background:transparent;color:var(--ink)}
.search-result:hover,.search-result:focus,.search-result.active{background:#f3ede1;outline:0}
.result-name{display:block;font:600 15px var(--serif);color:#263a33}
.result-meta{display:block;margin-top:3px;font-size:10px;line-height:1.45;color:#777064}
.tree-tools select{height:39px;border:1px solid #d8d0bf;background:white;padding:0 30px 0 12px;color:#555}
.zoom-tools{margin-left:auto;display:flex;align-items:center;border:1px solid #d8d0bf;height:39px}
.zoom-tools button{border:0;background:white;height:100%;padding:0 12px}
.zoom-tools button+button{border-left:1px solid #eee7da}
.zoom-tools span{font-size:11px;color:#777;padding:0 8px}
.tree-stage{height:575px;position:relative;overflow:auto;background-image:radial-gradient(#d8d0bf 1px,transparent 1px);background-size:22px 22px;scrollbar-color:#b8ad99 #f6f0e4}
.tree-stage svg{display:block;max-width:none;background:rgba(255,254,249,.76)}
.relation-line{stroke:#9b9c91;stroke-width:1.5;fill:none}
.relation-line.long-parent-line{stroke:#5f756d;stroke-width:2}
.spouse-line{stroke:#b08b72;stroke-width:1.5;fill:none}
.tree-node[data-role="spouse"] rect{filter:drop-shadow(0 2px 2px rgba(61,47,36,.06))}
.tree-node{cursor:pointer}
.tree-node rect{stroke-width:1.5;transition:.2s}
.tree-node rect.male{stroke:var(--blue);fill:#eff5f6}
.tree-node rect.female{stroke:#bd6b73;fill:#fbf0f1}
.tree-node rect.unknown{stroke:#8c877d;fill:#f5f1e9}
.tree-node rect.living.male{fill:#bcd7e1}
.tree-node rect.living.female{fill:#efbcc2}
.tree-node rect.status-unknown{stroke-dasharray:4 2}
.tree-node rect.selected{stroke-width:3;filter:drop-shadow(0 5px 6px rgba(0,0,0,.1))}
.tree-node rect.selected{stroke:#b0443c;animation:tree-focus-pulse 1.1s ease-out 2}
@keyframes tree-focus-pulse{0%,100%{filter:drop-shadow(0 5px 6px rgba(0,0,0,.1))}50%{filter:drop-shadow(0 0 9px rgba(176,68,60,.75))}}
.node-name{font:600 13px var(--serif);fill:#23332e}
.node-name.compact{font-size:9.5px}
.node-status{font:700 7.5px var(--sans);fill:#6d706a;letter-spacing:.02em}
.node-status.living{fill:#2f6a51}
.node-status.deceased{fill:#706e68}
.node-status.status-unknown{fill:#956f42}
.verify-mark{font:700 8px var(--sans);fill:#9a5c31}
.tree-node.unverified rect{stroke-dasharray:2 1}
.node-meta{font:9px var(--sans);fill:#6c746e}
.minimap{position:absolute;right:14px;bottom:14px;width:140px;height:75px;background:rgba(255,255,255,.9);border:1px solid var(--line);padding:9px;font-size:9px;color:#777}
.mini-track{height:34px;margin-top:7px;border-left:1px solid #aaa;border-top:1px solid #aaa;position:relative}
.mini-track:after{content:"";position:absolute;width:80px;border-top:1px solid #aaa;left:20px;top:17px}
.mini-track i{position:absolute;width:9px;height:9px;background:var(--red);left:55px;top:13px}
.pan-pad{position:absolute;left:14px;bottom:14px;text-align:center}
.pan-pad button{width:30px;height:26px;border:1px solid var(--line);background:rgba(255,255,255,.9);color:#666}
.pan-pad div{display:flex}
.paper-section{background:var(--paper);border-top:1px solid #e2dacb;border-bottom:1px solid #e2dacb}
.outline{padding:11px 17px;border:1px solid #9f9585;background:transparent;color:var(--ink)}
.memory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.memory{background:#fffdf8;border:1px solid #ded5c5}
.memory-visual{height:210px;position:relative;display:grid;place-items:center;overflow:hidden}
.memory-visual:after{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.4)}
.memory-visual span{font:500 70px var(--serif);color:rgba(255,255,255,.85)}
.memory-visual i{position:absolute;bottom:14px;left:14px;background:var(--red);color:white;font-style:normal;font-size:10px;padding:5px 8px;z-index:2}
.paper .memory-visual{background:linear-gradient(135deg,#9b8d74,#d3c6ac)}
.house .memory-visual{background:linear-gradient(145deg,#486861,#b89b70)}
.audio .memory-visual{background:linear-gradient(145deg,#714a46,#c29274)}
.memory>div:last-child{padding:20px}
.memory small{color:#8b8b82;font-size:10px}
.memory h3{font:600 20px/1.5 var(--serif);margin:7px 0 15px}
.memory button,.branch-grid button,footer button{border:0;background:none;color:var(--red);padding:0}
.map-section{background:#faf7ef}
.map-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}
.timeline{margin-top:38px;border-left:1px solid #b8ad96}
.timeline>div{display:grid;grid-template-columns:90px 1fr;position:relative;padding:0 0 30px 24px}
.timeline>div:before{content:"";position:absolute;width:9px;height:9px;background:var(--cream);border:2px solid var(--red);border-radius:50%;left:-6px;top:4px}
.timeline>b{font-size:11px}
.timeline strong{display:block;font:600 16px var(--serif)}
.timeline small{display:block;color:#777;margin-top:6px}
.map-card{height:470px;background:#dce3d8;position:relative;overflow:hidden;border:12px solid #ebe5d8;box-shadow:0 12px 40px rgba(45,47,39,.12)}
.map-grid{position:absolute;inset:-20%;background-image:linear-gradient(28deg,transparent 48%,rgba(255,255,255,.5) 49%,transparent 51%),linear-gradient(118deg,transparent 49%,rgba(63,97,87,.12) 50%,transparent 51%);background-size:90px 90px;transform:rotate(8deg)}
.map-card:before{content:"江苏·东台";position:absolute;right:40px;top:65px;font:500 52px var(--serif);color:rgba(53,94,87,.12);writing-mode:vertical-rl}
.place{position:absolute;background:var(--red);color:white;padding:7px 10px;border-radius:2px;font-size:11px;box-shadow:0 5px 14px rgba(0,0,0,.14)}
.place:after{content:"";position:absolute;width:9px;height:9px;background:var(--red);transform:rotate(45deg);bottom:-4px;left:13px}
.place small{display:block;color:#f5d6ce}
.p1{left:48%;top:48%}
.p2{left:28%;top:30%;background:var(--green)}
.p2:after{background:var(--green)}
.p3{right:17%;bottom:26%;background:#9a8660}
.p3:after{background:#9a8660}
.map-caption{position:absolute;left:0;right:0;bottom:0;background:rgba(32,51,45,.9);color:white;padding:15px 20px;display:flex;justify-content:space-between}
.map-caption b{font:600 15px var(--serif)}
.map-caption span{color:#b8c9c3;font-size:11px}
.branch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.branch-grid article{border-top:3px solid var(--green);background:white;padding:24px;border-left:1px solid #e0d9cc;border-right:1px solid #e0d9cc;border-bottom:1px solid #e0d9cc}
.branch-index{color:#b8aa91;font:500 12px var(--serif)}
.branch-grid h3{font:600 26px var(--serif);margin:15px 0 4px}
.branch-grid p,.branch-grid small{color:#84867f;font-size:11px}
.branch-grid b{display:block;font-size:12px;margin:14px 0 20px}
.progress{height:5px;background:#ece7dc;margin-top:24px}
.progress i{display:block;height:100%;background:var(--red)}
.source-section{background:#263f39;color:#f7f2e7}
.source-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;align-items:center}
.source-layout p,.source-layout li{color:#bdcac5}
.source-layout ul{padding-left:18px;line-height:2}
.privacy-card{background:#eef1e9;border-left:3px solid var(--green);padding:11px 13px;color:#536158;font-size:11px;margin:15px 0}
.privacy-card.dark{background:rgba(255,255,255,.07);border-color:#d1b576;color:#d6e0dc;margin:25px 0}
.source-preview{height:485px;background:#f6f1e6;position:relative;padding:30px 80px;overflow:hidden;box-shadow:0 16px 50px rgba(0,0,0,.25)}
.source-tree{filter:blur(2.5px);opacity:.45;border-left:1px solid #789;display:flex;flex-direction:column;gap:7px}
.source-tree i{display:block;width:72px;height:8px;background:#be7480;border-left:20px solid #6f9caf}
.lock{position:absolute;inset:0;background:rgba(247,242,232,.74);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--ink);font-style:normal}
.lock:first-letter{font-size:30px}
.lock b{font:600 18px var(--serif);margin-top:8px}
.lock small{color:#777;margin-top:5px}
.governance{background:#eee8da}
.govern-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #cfc5b3;border-bottom:1px solid #cfc5b3}
.govern-grid>div{padding:24px;border-right:1px solid #cfc5b3}
.govern-grid>div:first-child{border-left:1px solid #cfc5b3}
.govern-grid span{color:var(--red);font:600 12px var(--serif)}
.govern-grid h3{font:600 18px var(--serif);margin:12px 0 8px}
.govern-grid p{font-size:12px;line-height:1.7;color:#73776f}
footer{background:#182822;color:#ecf0ed;padding:55px 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:50px}
.brand.inverse{color:white}
.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:8px}
.footer-grid b{font-size:12px}
.footer-grid a,.footer-grid button{font-size:11px;color:#aebbb6;text-align:left}
.footer-note{color:#7f918a!important;font-size:10px;line-height:1.8;border-left:1px solid #3b4d47;padding-left:20px}
.drawer{position:fixed;right:0;top:0;bottom:0;width:min(420px,100%);background:#fffdf8;z-index:50;box-shadow:-20px 0 60px rgba(27,34,30,.22);padding:50px 36px;overflow:auto;animation:slide .25s ease}
.drawer-close{position:absolute;right:18px;top:15px;border:0;background:transparent;color:#777;font-size:28px}
.portrait{width:82px;height:92px;display:grid;place-items:center;margin-bottom:20px;background:#eef5f6;border:1px solid var(--blue);color:var(--blue);font:600 34px var(--serif)}
.portrait.female{background:#fbf0f1;border-color:#bd6b73;color:#a85762}
.drawer h3,.modal h3{font:600 30px var(--serif);margin:4px 0}
.life{color:#777}
.drawer-tabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin:25px 0 18px;padding-bottom:10px;font-size:12px}
.drawer-tabs b{color:var(--red)}
.bio{font:14px/1.9 var(--serif)}
.alias-list,.source-ref{padding:10px 12px;background:#f6f1e6;border-left:2px solid var(--gold);font-size:13px;line-height:1.7;color:#625d52}
.drawer h4{font:600 15px var(--serif);margin-top:25px}
.mini-event{display:grid;grid-template-columns:60px 1fr;gap:10px;border-left:1px solid var(--red);padding:0 0 18px 12px;font-size:12px}
.mini-event small{display:block;color:#888;margin-top:4px}
.empty{color:#888;font-size:12px}
.full{width:100%;margin-top:10px}
.ghost{border:1px solid var(--line);background:transparent;padding:11px}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,26,22,.72);z-index:60;display:grid;place-items:center;padding:20px}
.modal{position:relative;background:#fffdf8;width:min(490px,100%);padding:38px 42px;box-shadow:0 24px 80px rgba(0,0,0,.28);max-height:90vh;overflow:auto}
.seal.small{width:34px;height:34px;font-size:17px}
.modal>p{color:#70766f;line-height:1.7}
.provider{display:block;width:100%;height:46px;border:1px solid #d4cbbb;background:white;margin-top:10px;text-align:left;padding:0 16px}
.provider:hover{border-color:var(--green)}
.provider.disabled{color:#999;background:#f4f1ea;cursor:not-allowed}
.legal{display:block;color:#999;text-align:center;margin-top:17px}
.modal label{display:block;font-size:11px;color:#666;margin-top:15px}
.modal input,.modal select,.modal textarea{width:100%;border:1px solid #d5cdbf;background:white;padding:11px;margin-top:6px;outline:0}
.modal textarea{height:85px;resize:vertical}
.modal input:focus,.modal textarea:focus,.modal select:focus{border-color:var(--green)}
.toast{position:fixed;right:24px;bottom:24px;z-index:70;background:var(--ink);color:white;padding:14px 20px;box-shadow:0 10px 30px rgba(0,0,0,.2);animation:rise .25s ease}
@keyframes slide{from{transform:translateX(100%)}
to{transform:translateX(0)}
}
@keyframes rise{from{transform:translateY(20px);opacity:0}
to{transform:translateY(0);opacity:1}
}

@media(max-width:980px){.topbar{padding:0 18px}
.topbar nav{display:none}
.login-button{margin-left:auto}
.hero-inner{grid-template-columns:1fr}
.hero-art{display:none}
.hero-copy{padding:70px 0}
.stats{grid-template-columns:repeat(2,1fr)}
.stats>button{min-height:100px}
.memory-grid,.branch-grid{grid-template-columns:1fr 1fr}
.map-layout,.source-layout{grid-template-columns:1fr}
.source-preview{height:390px}
.govern-grid{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.tree-tools{flex-wrap:wrap}
.zoom-tools{margin-left:0}
.tree-stage{height:520px}
}

@media(max-width:640px){.wrap{width:min(100% - 28px,1180px)}
.topbar{height:66px}
.brand b{font-size:15px}
.brand small{display:none}
.seal{width:34px;height:34px}
.login-button{font-size:11px;padding:8px}
.hero{min-height:560px}
.hero h1{font-size:45px}
.hero-copy>p{font-size:15px}
.hero-actions{align-items:flex-start;flex-direction:column;gap:8px}
.version-line{flex-direction:column;align-items:flex-start;gap:8px;margin-top:35px}
.stats{grid-template-columns:1fr}
.stats>div{border-right:0;border-bottom:1px solid #d7cebc;padding:15px!important}
.section{padding:64px 0}
.split{align-items:flex-start;flex-direction:column}
.legend{flex-wrap:wrap}
.tree-tools{align-items:stretch}
.search-wrap,.search{width:100%}
.tree-tools select{width:100%}
.zoom-tools{width:100%;justify-content:space-between}
.tree-stage{height:500px}
.memory-grid,.branch-grid{grid-template-columns:1fr}
.map-card{height:360px}
.govern-grid{grid-template-columns:1fr}
.govern-grid>div{border-left:1px solid #cfc5b3}
.footer-grid{grid-template-columns:1fr}
.drawer{padding:45px 24px}
.modal{padding:34px 24px}
.source-layout{gap:40px}
.source-preview{height:340px;padding:25px 50px}
}