:root{--paper:#f0eadf;--ink:#1b1c19;--muted:#66645d;--red:#9a3029;--red-dark:#6f201c;--blue:#365e65;--gold:#a67b37;--line:rgba(27,28,25,.18);--card:#f7f3ea;--white:#fffdf7;--shadow:0 24px 70px rgba(42,31,19,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif}a{color:inherit}.skip-link{position:fixed;left:1rem;top:-4rem;z-index:99;background:#fff;padding:.8rem 1rem}.skip-link:focus{top:1rem}.site-header{height:72px;padding:0 clamp(20px,4vw,68px);display:flex;align-items:center;gap:36px;border-bottom:1px solid var(--line);background:rgba(240,234,223,.92);backdrop-filter:blur(14px);position:sticky;top:0;z-index:30}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:serif;font-weight:700;letter-spacing:.12em}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--red);color:var(--red);font-family:serif}.site-header nav{display:flex;gap:28px;margin-left:auto}.site-header nav a{text-decoration:none;color:var(--muted);font-size:14px}.site-header nav a:hover{color:var(--red)}.edition{font-size:12px;color:var(--muted);border-left:1px solid var(--line);padding-left:24px}.hero{min-height:calc(100vh - 72px);position:relative;overflow:hidden;padding:clamp(80px,10vw,150px) clamp(22px,8vw,132px) 80px;background:linear-gradient(120deg,rgba(240,234,223,.98) 38%,rgba(240,234,223,.55)),radial-gradient(circle at 85% 40%,#d8c7a5 0,transparent 44%)}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to right,transparent,black 75%);opacity:.35}.hero-copy{max-width:760px;position:relative;z-index:2}.eyebrow,.section-index{font-size:12px;letter-spacing:.22em;color:var(--red);text-transform:uppercase}.hero h1{font-family:"Songti SC","Noto Serif SC",serif;font-size:clamp(54px,7.5vw,112px);line-height:1.06;letter-spacing:-.05em;font-weight:600;margin:24px 0 34px}.dek{max-width:650px;font-size:clamp(17px,1.5vw,21px);line-height:1.9;color:#494943}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:38px}.primary-action{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;background:var(--red);color:white;text-decoration:none;border:0}.primary-action:hover{background:var(--red-dark)}.text-action{border:0;background:none;color:var(--ink);text-decoration:underline;text-underline-offset:5px;cursor:pointer}.hero-facts{position:absolute;z-index:3;right:5vw;bottom:55px;display:flex;background:rgba(255,253,247,.82);backdrop-filter:blur(10px);border:1px solid var(--line)}.hero-facts div{min-width:118px;padding:18px;border-right:1px solid var(--line)}.hero-facts div:last-child{border:0}.hero-facts strong{font-family:serif;font-size:30px;display:block}.hero-facts span{font-size:12px;color:var(--muted)}.hero-route{position:absolute;right:-4vw;top:10%;width:min(58vw,850px);height:70%;opacity:.42}.hero-route svg{width:100%;height:100%}.hero-route path{fill:none;stroke:var(--red);stroke-width:2;stroke-dasharray:9 9}.hero-route circle{fill:var(--red)}.case-strip{display:flex;align-items:stretch;min-height:84px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:0 clamp(20px,4vw,68px);background:var(--white);overflow-x:auto}.case-strip>span:first-child{display:flex;align-items:center;padding-right:35px;font-size:12px;color:var(--muted);white-space:nowrap}.case-tab{min-width:210px;padding:18px 26px;border:0;border-left:1px solid var(--line);background:transparent;text-decoration:none;text-align:left;color:var(--ink);font-size:16px;cursor:pointer}.case-tab small{display:block;color:var(--muted);font-size:11px;margin-top:5px}.case-tab.active{background:var(--red);color:white}.case-tab.active small{color:#f1ccc7}.case-tab.disabled{display:block;opacity:.48;border-right:1px solid var(--line)}.story-shell{padding:100px clamp(20px,4vw,68px) 120px}.story-intro{display:grid;grid-template-columns:1fr 1fr;gap:8vw;max-width:1260px;margin:0 auto 70px}.story-intro h2,.section-heading h2{font-family:"Songti SC",serif;font-size:clamp(40px,5vw,72px);line-height:1.14;margin:18px 0}.story-intro>p:last-child{align-self:end;max-width:530px;line-height:1.9;color:var(--muted)}.timeline-control{position:sticky;top:72px;z-index:25;max-width:1260px;margin:0 auto 22px;display:flex;gap:20px;align-items:center;padding:16px 20px;background:rgba(27,28,25,.96);color:white;box-shadow:var(--shadow)}.play{border:1px solid rgba(255,255,255,.35);background:transparent;color:white;width:42px;height:42px;border-radius:50%;cursor:pointer}.timeline-main{flex:1}.timeline-labels,.timeline-ends{display:flex;justify-content:space-between}.timeline-labels{font-size:13px;margin-bottom:5px}.timeline-labels span:last-child{color:#dfb1aa}.timeline-ends{font-size:10px;color:#aaa}.timeline-main input{width:100%;accent-color:#c34a40}.scrolly{max-width:1260px;margin:auto;display:grid;grid-template-columns:minmax(330px,.72fr) minmax(520px,1.28fr);gap:22px;align-items:start}.map-stage{position:sticky;top:158px;grid-column:2;height:calc(100vh - 180px);min-height:560px;background:#c8c0ad;overflow:hidden;box-shadow:var(--shadow)}#map{position:absolute;inset:0}.map-fallback{position:absolute;inset:0;display:grid;place-items:center;padding:40px;text-align:center;background:#dad0bd;color:var(--muted)}.flow-layer{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;mix-blend-mode:multiply}.flow-text{fill:var(--red);font-size:18px;font-weight:700;letter-spacing:7px;opacity:.55}.flow-a textPath{animation:flow-a 16s linear infinite}.flow-b{fill:var(--blue);opacity:.48}.flow-b textPath{animation:flow-b 20s linear infinite}@keyframes flow-a{from{start-offset:-20%}to{start-offset:55%}}@keyframes flow-b{from{start-offset:35%}to{start-offset:-35%}}.map-overlay{position:absolute;background:rgba(255,253,247,.9);backdrop-filter:blur(10px);padding:10px 13px;font-size:12px}.top-left{top:16px;left:16px}.bottom-left{left:16px;bottom:58px;display:flex;flex-direction:column}.bottom-left strong{font-family:serif;font-size:22px}.bottom-left span{color:var(--muted)}.pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--red);margin-right:8px;box-shadow:0 0 0 5px rgba(154,48,41,.15)}.map-legend{position:absolute;left:0;right:0;bottom:0;display:flex;gap:16px;padding:13px 16px;background:rgba(27,28,25,.9);color:#eee;font-size:10px}.map-legend span{display:flex;align-items:center;gap:6px}.dot{width:8px;height:8px;border-radius:50%;background:#628878}.dot.review{background:#c58a3a}.line{width:18px;border-top:2px dashed #c34a40}.story-steps{grid-column:1;grid-row:1}.story-card{min-height:58vh;margin:0 0 22vh;padding:32px;background:rgba(247,243,234,.94);border:1px solid var(--line);opacity:.46;transform:translateY(24px);transition:.35s ease}.story-card.active{opacity:1;transform:none;box-shadow:var(--shadow);border-top:4px solid var(--red)}.story-card .card-top{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}.story-card .number{font-family:serif;font-size:40px;color:var(--red)}.story-card h3{font-family:"Songti SC",serif;font-size:clamp(28px,3vw,42px);line-height:1.25;margin:16px 0}.story-card p{font-size:15px;line-height:1.9;color:#4d4d48}.card-meta{display:flex;flex-wrap:wrap;gap:7px;margin:22px 0}.chip{border:1px solid var(--line);padding:5px 8px;font-size:10px;color:var(--muted)}.confidence{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;display:flex;justify-content:space-between}.confidence b{font-weight:500;color:var(--blue)}.evidence-section,.method-section{padding:110px clamp(20px,7vw,120px);background:var(--ink);color:#f3eee5}.section-heading{display:grid;grid-template-columns:1.3fr .7fr;gap:8vw;align-items:end;max-width:1400px;margin:auto}.section-heading>p{color:#aaa;line-height:1.9}.evidence-summary{max-width:1400px;margin:60px auto 30px;display:grid;grid-template-columns:1fr 1fr;gap:22px}.evidence-meter,.status-grid{border:1px solid rgba(255,255,255,.18);padding:28px}.evidence-meter>span,.evidence-meter small{display:block;color:#aaa;font-size:12px}.evidence-meter strong{font-family:serif;font-size:32px}.meter{height:4px;background:#4a4945;margin:18px 0}.meter i{display:block;width:44%;height:100%;background:var(--gold)}.status-grid{display:grid;grid-template-columns:repeat(3,1fr)}.status-grid div{border-right:1px solid rgba(255,255,255,.18);padding-left:18px}.status-grid div:last-child{border:0}.status-grid b{font-family:serif;font-size:34px;display:block}.status-grid span{font-size:11px;color:#aaa}.source-grid{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.16)}.source-card{background:var(--ink);padding:28px;min-height:230px}.source-card .source-type{font-size:10px;color:#c19c5f;letter-spacing:.12em}.source-card h3{font-family:serif;font-size:21px;line-height:1.5}.source-card p{color:#aaa;font-size:12px;line-height:1.7}.source-card a{color:#e6d3b3;font-size:12px;text-underline-offset:4px}.method-section{background:#e6ddcd;color:var(--ink)}.method-flow{max-width:1400px;margin:60px auto;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.method-flow li{padding:30px;border-right:1px solid var(--line)}.method-flow li:last-child{border:0}.method-flow li>span{font-family:serif;color:var(--red);font-size:28px}.method-flow h3{font-family:serif;font-size:22px}.method-flow p{font-size:13px;color:var(--muted);line-height:1.8}.boundary-note{max-width:1400px;margin:auto;display:grid;grid-template-columns:180px 1fr;gap:40px;padding:30px;border-left:4px solid var(--red);background:rgba(255,255,255,.4)}.boundary-note p{margin:0;color:var(--muted);line-height:1.8}footer{padding:38px clamp(20px,4vw,68px);display:grid;grid-template-columns:1fr 2fr auto;align-items:center;gap:28px;background:#11120f;color:#eee}footer>div{display:flex;align-items:center;gap:12px}footer p{color:#888;font-size:12px}footer a{font-size:12px}dialog{max-width:620px;border:0;padding:45px;background:var(--white);color:var(--ink);box-shadow:var(--shadow)}dialog::backdrop{background:rgba(20,20,18,.7);backdrop-filter:blur(4px)}dialog h2{font-family:serif;font-size:38px}dialog p{line-height:1.9}.dialog-close{position:absolute;right:14px;top:10px;border:0;background:none;font-size:30px;cursor:pointer}
@media(max-width:900px){.site-header nav,.edition{display:none}.hero{padding-top:80px}.hero-route{width:90vw;opacity:.2}.hero-facts{position:relative;right:auto;bottom:auto;margin-top:70px;width:max-content;max-width:100%}.hero-facts div{min-width:90px}.story-intro,.section-heading,.evidence-summary{grid-template-columns:1fr}.scrolly{display:flex;flex-direction:column}.map-stage{top:140px;width:100%;height:52vh;min-height:390px;order:0;z-index:10}.story-steps{order:1}.story-card{min-height:auto;margin-bottom:45vh}.source-grid{grid-template-columns:1fr 1fr}.method-flow{grid-template-columns:1fr 1fr}.method-flow li:nth-child(2){border-right:0}.method-flow li:nth-child(-n+2){border-bottom:1px solid var(--line)}footer{grid-template-columns:1fr}}
@media(max-width:560px){.hero h1{font-size:49px}.hero-actions{align-items:flex-start;flex-direction:column}.hero-facts{display:grid;grid-template-columns:repeat(3,1fr)}.hero-facts div{padding:12px}.case-tab{min-width:160px}.story-shell{padding-left:12px;padding-right:12px}.timeline-control{top:72px}.map-stage{top:142px}.map-legend{gap:8px;flex-wrap:wrap}.story-card{padding:24px}.source-grid,.method-flow{grid-template-columns:1fr}.method-flow li{border-right:0;border-bottom:1px solid var(--line)!important}.boundary-note{grid-template-columns:1fr}.status-grid{padding:20px}.status-grid div{padding-left:10px}.source-card{min-height:0}footer p{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.flow-text textPath{animation:none}.story-card{transition:none}}