/* 本地字体：Inter（西文）+ Noto Sans SC 子集（中文，tools/subset_fonts.py 生成）。不依赖外网。 */
@font-face{font-family:'Inter';font-style:normal;font-weight:300;font-display:swap;src:url(assets/fonts/inter-300.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url(assets/fonts/inter-400.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url(assets/fonts/inter-500.woff2) format('woff2')}
@font-face{font-family:'Noto Sans SC Subset';font-style:normal;font-weight:300;font-display:swap;src:url(assets/fonts/noto-sc-300.woff2) format('woff2')}
@font-face{font-family:'Noto Sans SC Subset';font-style:normal;font-weight:400;font-display:swap;src:url(assets/fonts/noto-sc-400.woff2) format('woff2')}
@font-face{font-family:'Noto Sans SC Subset';font-style:normal;font-weight:500 900;font-display:swap;src:url(assets/fonts/noto-sc-400.woff2) format('woff2')}
:root{color-scheme:dark;--bg:#080b10;--accent:#95b7d8;--rgb:149,183,216;--text:#e3e6e9;--muted:#8c949f;--line:rgba(170,190,210,.15);font-family:'Inter','Noto Sans SC Subset','PingFang SC','Microsoft YaHei',sans-serif;font-feature-settings:'cv11','ss03';font-weight:400}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh;transition:background 2s}button,a,select,input{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,.map:focus-visible{outline:1px solid var(--accent);outline-offset:5px}[hidden]{display:none!important}.accent{color:var(--accent)}.atmosphere{position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse at 80% 35%,rgba(var(--rgb),.065),transparent 60%);transition:background 2s}.grain{position:fixed;inset:0;pointer-events:none;opacity:.11;z-index:10;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23ffffff' filter='url(%23n)' opacity='.2' d='M0 0h180v180H0z'/%3E%3C/svg%3E")}header{height:94px;display:flex;align-items:center;justify-content:space-between;margin:0 5%;border-bottom:1px solid var(--line);position:relative;z-index:2}.identity{display:flex;align-items:center;gap:12px;letter-spacing:2px;font-size:19px}.sigil{font-size:37px;color:var(--accent)}.identity-sub{font-size:9px;letter-spacing:1.8px;color:var(--muted);margin-left:15px}nav{display:flex;gap:38px;height:100%;align-items:center}nav a{height:100%;display:flex;align-items:center;gap:11px;font-size:10px;color:var(--muted);position:relative}nav a span{font-size:12px;letter-spacing:2px}nav a.active{color:var(--text)}nav a.active:after{content:'';position:absolute;bottom:-1px;height:2px;width:24px;background:var(--accent);left:0}.time{display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:1px;color:var(--muted);font-variant-numeric:tabular-nums}.status-dot{width:5px;height:5px;border-radius:100%;background:var(--accent);box-shadow:0 0 10px rgba(var(--rgb),.5);display:inline-block}.timezone{font-size:8px;opacity:.6}.page{animation:arrive .75s cubic-bezier(.2,.7,.2,1) both}.home{min-height:calc(100vh - 165px);position:relative;padding:74px 7% 0;display:grid;grid-template-columns:1.05fr 1fr;gap:10px;align-items:center;overflow:hidden}.eyebrow{font-size:9px;letter-spacing:2.5px;color:var(--accent);display:flex;align-items:center;gap:12px}.tiny-cross{font-size:19px}.pretitle{font-size:14px;letter-spacing:4px;margin:31px 0 9px;color:var(--muted)}h1{font-size:clamp(40px,4.8vw,74px);font-weight:500;letter-spacing:-.035em;margin:0 0 26px;line-height:1.14}.hero-statement{font-size:24px;line-height:1.85;font-weight:300;letter-spacing:3px}.quiet{color:#a7adb8}.intro{font-size:12px;font-weight:300;line-height:2.2;color:var(--muted);max-width:405px;margin:23px 0 30px;letter-spacing:1px}.enter{display:flex;align-items:center;gap:17px;width:320px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);transition:padding .3s,background .3s}.enter:hover{padding-left:12px;background:rgba(var(--rgb),.04)}.enter-symbol{width:34px;height:34px;display:grid;place-items:center;border:1px solid rgba(var(--rgb),.4);color:var(--accent);font-size:23px}.enter>span:nth-child(2){font-size:12px;letter-spacing:2px}.enter small{display:block;font-size:7px;letter-spacing:1.7px;color:var(--muted);margin-top:7px}.enter-arrow{margin-left:auto;color:var(--accent);font-size:22px}.coordinates{display:flex;gap:30px;margin-top:25px;font-size:9px;letter-spacing:1px;color:var(--muted)}.hero-visual{position:relative;aspect-ratio:1;min-width:0;display:grid;place-items:center}.sphere{width:115%;transform:rotate(-15deg);animation:float 16s ease-in-out infinite}.globe-lines{opacity:.5}.orbital{position:absolute;border:1px solid var(--line);border-radius:50%;width:91%;height:91%}.orbital-two{width:96%;height:96%;border-style:dashed;opacity:.4;animation:spin 150s linear infinite}.orbit-label{position:absolute;top:5%;left:20%;font-size:8px;letter-spacing:3px;color:var(--muted);background:var(--bg);padding:5px 12px;z-index:1}.visual-caption{position:absolute;bottom:4%;left:27%;font-size:11px;letter-spacing:3px;color:#b9c0c9}.visual-caption .status-dot{margin-right:6px}.visual-caption small{display:block;font-size:7px;letter-spacing:2.5px;margin:12px 0 0 15px;color:var(--muted)}.visual-index{position:absolute;right:0;top:53%;font-size:9px;color:var(--muted);writing-mode:vertical-rl;letter-spacing:2px}.home-bottom{grid-column:1/-1;display:flex;align-items:center;gap:30px;border-top:1px solid var(--line);margin-top:56px;padding:24px 0 27px;font-size:10px;letter-spacing:1px;color:#b3bac5}.home-bottom .section-mark{font-size:8px;letter-spacing:2px;max-width:130px;line-height:1.8;color:var(--muted);margin-right:auto}.home-bottom div span{display:block;font-size:8px;color:var(--muted);margin-bottom:7px}.home-bottom b{font-weight:300;color:#444d5a}.home-bottom .next{color:var(--accent)}footer{position:relative;display:flex;justify-content:space-between;align-items:center;gap:15px;margin:0 5%;border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:8px;letter-spacing:1px}.footer-divider{margin:0 15px;opacity:.4}.theme-control{display:flex;align-items:center;gap:13px}.theme-control label{font-size:9px}select{border:0;background:transparent;color:#b2bbc7;font-size:9px;padding:3px;cursor:pointer}option{background:#10141b}.tree-page{padding:43px 7% 12px;min-height:calc(100vh - 166px)}.tree-heading{display:flex;justify-content:space-between;align-items:center}.tree-heading h2{font-size:34px;font-weight:400;letter-spacing:3px;margin:14px 0 9px}.tree-heading p{font-size:11px;letter-spacing:2px;color:var(--muted)}.tree-heading-note{font-size:10px;letter-spacing:2px;line-height:1.9;color:var(--accent);text-align:right}.tree-heading-note span{display:block;font-size:8px;color:var(--muted);margin-top:10px}.map-toolbar{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);margin-top:21px;padding-bottom:12px}.filters{display:flex;gap:20px}.filters button,.zoom-controls button{background:none;border:0;color:var(--muted);font-size:10px;padding:5px 0;display:inline-flex;align-items:center;gap:7px}.filters button.selected{color:var(--accent)}.legend-dot{width:5px;height:5px;background:var(--accent);border-radius:50%;display:inline-block}.legend-dot.hollow{background:none;border:1px solid var(--accent)}.zoom-controls{display:flex;gap:20px}.zoom-controls button{min-width:22px;justify-content:center}.map-shell{height:460px;position:relative;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 58% 50%,rgba(var(--rgb),.035),transparent 65%)}.map{width:100%;height:100%;overflow:hidden;touch-action:none;cursor:grab;background-image:radial-gradient(rgba(var(--rgb),.12) .6px,transparent .6px);background-size:24px 24px}.map:active{cursor:grabbing}.map-world{width:1100px;height:580px;position:absolute;transform-origin:0 0}#edges{position:absolute;inset:0;width:1100px;height:580px}#edges path{fill:none;stroke:var(--accent);stroke-width:1;opacity:.23;transition:opacity .4s}#edges path.future{stroke-dasharray:4 7;opacity:.13}.node{position:absolute;transform:translate(-50%,-50%);width:135px;min-height:74px;background:none;border:0;color:var(--text);display:flex;flex-direction:column;align-items:center;gap:9px;font-size:11px;letter-spacing:.4px;transition:opacity .4s,filter .4s}.node-marker{width:17px;height:17px;border:1px solid rgba(var(--rgb),.7);transform:rotate(45deg);display:grid;place-items:center;transition:box-shadow .3s,background .3s}.node-marker:after{content:'';width:5px;height:5px;background:var(--accent);box-shadow:0 0 14px var(--accent)}.node.explore .node-marker{border-style:dashed}.node.explore .node-marker:after{background:none;box-shadow:none;border:1px solid var(--accent);width:4px;height:4px}.node.root .node-marker{width:28px;height:28px;border:1px solid var(--accent);box-shadow:0 0 35px rgba(var(--rgb),.2)}.node.root{font-size:13px;width:190px}.node small{font-size:7px;letter-spacing:1.5px;color:var(--muted)}.node:hover .node-marker,.node:focus-visible .node-marker,.node.chosen .node-marker{box-shadow:0 0 30px rgba(var(--rgb),.45);background:rgba(var(--rgb),.2)}.node.dim{opacity:.15}.node.absent{visibility:hidden;pointer-events:none}.node.explore{color:#9ba6b7}.map-watermark{position:absolute;bottom:67px;left:56px;font-size:30px;font-weight:500;letter-spacing:4px;line-height:1.2;color:rgba(var(--rgb),.08);pointer-events:none}.map-watermark span{display:block;font-size:9px;letter-spacing:2px;margin-top:14px;color:rgba(var(--rgb),.3)}.map-instruction{position:absolute;bottom:15px;left:18px;font-size:8px;color:var(--muted);letter-spacing:1px;pointer-events:none}.map-instruction span{margin:0 9px}#tooltip{position:absolute;z-index:3;pointer-events:none;background:rgba(14,19,27,.97);border:1px solid rgba(var(--rgb),.25);padding:15px 18px;width:270px;font-size:10px;line-height:1.9;box-shadow:0 15px 40px #0006}#tooltip strong{display:block;color:var(--accent);font-size:12px;font-weight:500;margin-bottom:5px}.detail{position:absolute;right:0;top:0;bottom:0;width:340px;z-index:4;background:rgba(11,15,21,.97);border-left:1px solid rgba(var(--rgb),.25);padding:27px;overflow:auto;box-shadow:-25px 0 50px #0003;animation:arrive .35s ease}.detail-close{position:absolute;right:18px;top:16px;border:0;background:none;color:var(--muted);font-size:23px}.detail .eyebrow{font-size:8px;margin-top:12px}.detail h3{font-size:24px;font-weight:400;margin:19px 0 7px}.detail .en{font-size:9px;color:var(--muted);letter-spacing:1px}.detail h4{font-size:10px;font-weight:400;color:var(--accent);letter-spacing:2px;margin:27px 0 10px}.detail p{font-size:11px;line-height:2;color:#b0b8c3}.detail .source{font-size:9px;color:var(--muted);border-top:1px solid var(--line);padding-top:15px;margin-top:21px}.detail .node-state{font-size:9px;color:var(--accent);display:inline-block;padding:6px 9px;border:1px solid var(--line);margin-top:14px}.timeline{padding:20px 0 7px}.timeline-title{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px}.timeline-title small{font-size:9px;color:var(--accent)}input[type=range]{width:100%;margin:19px 0 12px;height:2px;accent-color:var(--accent);cursor:pointer;display:block}.timeline-labels{display:flex;justify-content:space-between;font-size:8px;color:var(--muted);gap:10px}.evidence-note{font-size:8px;line-height:1.9;color:var(--muted);opacity:.75;margin:19px 0 8px}@keyframes arrive{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,100%{transform:rotate(-15deg) translateY(0)}50%{transform:rotate(-12deg) translateY(-10px)}}@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:1600px){.home{padding-top:100px;padding-bottom:20px}.map-shell{height:540px}}@media(max-width:1000px){.identity-sub{display:none}.home{padding:65px 6% 0;grid-template-columns:1.2fr 1fr}.hero-statement{font-size:20px}.home-bottom{gap:16px}.home-bottom .section-mark{max-width:90px}.intro{max-width:355px}.hero-visual{opacity:.8}.visual-caption{left:18%;bottom:0}.tree-page{padding-left:5%;padding-right:5%}}@media(max-width:650px){header{height:75px;margin:0 6%}.identity{font-size:16px}.sigil{font-size:29px}nav{gap:19px}nav a{gap:6px;font-size:8px}nav a span{font-size:10px;letter-spacing:1px}.time{display:none}.home{display:block;padding:48px 8% 0}.hero-copy{position:relative;z-index:1}.hero-copy .eyebrow{font-size:7px;letter-spacing:2px}.pretitle{margin-top:28px}h1{font-size:47px;letter-spacing:-.035em}.hero-statement{font-size:20px;letter-spacing:2px}.intro{font-size:11px;max-width:340px}.enter{width:100%;max-width:320px}.hero-visual{width:87%;margin:22px auto 0}.hero-visual .orbit-label{font-size:6px}.visual-caption{bottom:1%;left:23%;font-size:9px}.home-bottom{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:33px}.home-bottom .section-mark{grid-column:1/-1;max-width:none}.home-bottom b{display:none}.home-bottom div span{margin-bottom:4px}footer{margin:0 6%;padding:20px 0;flex-direction:column;align-items:flex-start;font-size:7px;gap:17px}.footer-divider{margin:0 7px}.tree-page{padding:34px 6% 20px}.tree-heading .eyebrow{font-size:7px;letter-spacing:1px}.tree-heading h2{font-size:28px}.tree-heading p{font-size:10px}.tree-heading-note{display:none}.filters{gap:15px}.filters button{font-size:9px}.zoom-controls{gap:9px}.map-shell{height:440px}.map-instruction{font-size:7px;left:8px}.detail{width:min(330px,100%)}.timeline-labels{font-size:7px;line-height:1.8}.timeline-labels span{max-width:72px}.evidence-note{font-size:8px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}