:root {
  --ink:#11202b;
  --ink-soft:#40515e;
  --paper:#f4f1ea;
  --white:#fffdf8;
  --night:#0d1821;
  --night-2:#142631;
  --teal:#2e7d71;
  --teal-bright:#6ec4aa;
  --gold:#c99548;
  --clay:#9b553d;
  --sand:#e7d8bd;
  --line:rgba(17,32,43,.14);
  --shadow:0 30px 80px rgba(8,18,25,.16);
  --radius:28px;
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang TC","Microsoft JhengHei","Noto Sans TC",system-ui,sans-serif;line-height:1.72;overflow-x:hidden}
img{max-width:100%;display:block}
button,a{font:inherit}
button{color:inherit}
a{color:inherit;text-decoration:none}
::selection{background:var(--gold);color:#fff}
.skip-link{position:fixed;left:1rem;top:-4rem;z-index:1000;background:#fff;padding:.7rem 1rem;border-radius:10px}.skip-link:focus{top:1rem}
.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.scroll-progress{position:fixed;inset:0 0 auto;height:3px;z-index:110;background:transparent}.scroll-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--teal-bright))}
.site-header{position:fixed;z-index:100;inset:0 0 auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:32px;padding:16px 28px;color:white;transition:.35s;background:linear-gradient(180deg,rgba(7,17,24,.78),transparent)}
.site-header.scrolled{background:rgba(10,24,33,.93);backdrop-filter:blur(16px);box-shadow:0 12px 45px rgba(0,0,0,.16)}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.45);border-radius:50%;font-weight:800;letter-spacing:.05em}.brand strong{display:block;font-size:.95rem;letter-spacing:.04em}.brand small{display:block;font-size:.64rem;opacity:.68;letter-spacing:.08em}
.site-nav{display:flex;justify-content:center;gap:clamp(16px,2.4vw,34px)}.site-nav a{font-size:.84rem;color:rgba(255,255,255,.75);position:relative}.site-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:1px;background:var(--gold);transition:.25s}.site-nav a:hover{color:#fff}.site-nav a:hover::after{right:0}
.header-actions{display:flex;gap:8px}.icon-button{width:42px;height:42px;border:1px solid rgba(255,255,255,.28);border-radius:50%;background:rgba(255,255,255,.08);color:#fff;cursor:pointer}.icon-button:hover{background:rgba(255,255,255,.18)}
.nav-toggle{display:none;background:none;border:0;padding:8px}.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px}
.hero{min-height:100svh;position:relative;display:grid;align-items:end;color:#fff;isolation:isolate}.hero-media{position:absolute;inset:0;background:url('assets/hero-pastoral.webp') center/cover no-repeat;z-index:-3;transform:scale(1.02)}.hero-overlay{position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(6,15,21,.88) 0%,rgba(6,15,21,.55) 45%,rgba(6,15,21,.08) 78%),linear-gradient(0deg,rgba(6,15,21,.9),transparent 50%)}
.hero-content{padding:180px 0 68px}.eyebrow,.section-kicker{font-size:.72rem;letter-spacing:.22em;font-weight:800;text-transform:uppercase;color:var(--gold);margin:0 0 18px}.hero h1{font-family:"Songti TC","Noto Serif TC",serif;font-size:clamp(3.1rem,7.5vw,7.2rem);line-height:.98;letter-spacing:-.055em;max-width:970px;margin:0;text-wrap:balance}.hero-lead{font-size:clamp(1.05rem,1.7vw,1.35rem);max-width:700px;color:rgba(255,255,255,.82);margin:28px 0 34px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border-radius:999px;border:1px solid transparent;font-weight:800;cursor:pointer;transition:.25s}.button.primary{background:var(--gold);color:#18222a}.button.primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(201,149,72,.28)}.button.ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.34);color:white}.button.secondary{background:var(--ink);color:#fff}.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(150px,1fr));max-width:760px;margin-top:60px;border-top:1px solid rgba(255,255,255,.24)}.hero-metrics article{padding:20px 24px 0 0}.hero-metrics strong{display:block;font-size:1.45rem;color:#fff}.hero-metrics span{font-size:.8rem;color:rgba(255,255,255,.62)}.scroll-cue{position:absolute;right:34px;bottom:34px;width:48px;height:70px;border:1px solid rgba(255,255,255,.4);border-radius:30px;display:grid;place-items:start center;padding-top:13px}.scroll-cue span{width:4px;height:10px;border-radius:4px;background:#fff;animation:scrollCue 1.8s infinite}@keyframes scrollCue{0%{transform:translateY(0);opacity:1}80%{transform:translateY(28px);opacity:0}100%{opacity:0}}
.section{padding:120px 0}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(50px,8vw,110px);align-items:center}.section-copy h2,.section-heading h2,.final-section h2{font-family:"Songti TC","Noto Serif TC",serif;font-size:clamp(2.4rem,4.8vw,4.8rem);line-height:1.08;letter-spacing:-.04em;margin:0;text-wrap:balance}.lead{font-size:1.22rem;color:var(--ink);margin-top:28px}.section-copy>p:not(.lead){color:var(--ink-soft)}.fact-callout{margin-top:32px;display:grid;grid-template-columns:46px 1fr;gap:16px;padding:22px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.62)}.fact-callout p{margin:0}.fact-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--gold);font-weight:900}
.orientation-panel{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid rgba(17,32,43,.08)}.host-orbit{height:500px;position:relative;display:grid;place-items:center;overflow:hidden;background:radial-gradient(circle at center,rgba(110,196,170,.18),transparent 35%),linear-gradient(145deg,#f4f7f3,#e7ece8);border-radius:22px}.orbit-core{position:relative;z-index:2;width:170px;height:170px;border-radius:50%;display:grid;place-content:center;text-align:center;background:var(--night);color:#fff;box-shadow:0 25px 60px rgba(13,24,33,.3)}.orbit-core strong{font-size:1rem}.orbit-core span{font-size:.72rem;opacity:.65;margin-top:5px}.orbit-ring{position:absolute;border:1px solid rgba(17,32,43,.14);border-radius:50%}.ring-one{width:330px;height:330px}.ring-two{width:460px;height:460px}.host-node{position:absolute;z-index:3;width:98px;height:98px;border:0;border-radius:50%;background:#fff;box-shadow:0 14px 35px rgba(18,39,47,.16);cursor:pointer;transition:.3s}.host-node span{display:block;font-family:"Songti TC",serif;font-weight:900;font-size:1.8rem}.host-node small{display:block;font-size:.68rem;color:var(--ink-soft)}.host-node.active{background:var(--gold);transform:scale(1.08)}.host-node.dog{top:46px;left:50%;transform:translateX(-50%)}.host-node.sheep{left:42px;bottom:74px}.host-node.human{right:42px;bottom:74px}.host-node.dog.active{transform:translateX(-50%) scale(1.08)}.host-detail{display:grid;grid-template-columns:46px 1fr;gap:18px;padding-top:24px}.host-detail-label{font-weight:900;color:var(--gold)}.host-detail h3{margin:0 0 4px;font-size:1.15rem}.host-detail p{margin:0;color:var(--ink-soft);font-size:.92rem}
.section-heading{display:grid;grid-template-columns:1.45fr .75fr;gap:60px;align-items:end;margin-bottom:52px}.section-heading>p{margin:0;color:var(--ink-soft)}.section-dark{background:var(--night);color:#fff}.section-dark .section-heading>p{color:rgba(255,255,255,.62)}.cycle-explorer{display:grid;grid-template-columns:1.25fr .75fr;min-height:700px;background:var(--night-2);border:1px solid rgba(255,255,255,.1);border-radius:32px;overflow:hidden;box-shadow:0 40px 90px rgba(0,0,0,.26)}.cycle-stage{position:relative;min-height:700px;background:#d9d4cd;display:grid;place-items:center}.cycle-stage img{width:100%;height:100%;object-fit:cover}.image-note{position:absolute;left:22px;bottom:22px;padding:9px 13px;border-radius:999px;background:rgba(10,24,33,.78);backdrop-filter:blur(10px);font-size:.75rem;color:#fff}.cycle-console{padding:34px;display:flex;flex-direction:column;gap:22px}.cycle-progress{height:2px;background:rgba(255,255,255,.12)}.cycle-progress span{display:block;height:100%;width:16.666%;background:var(--gold);transition:.35s}.cycle-step-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}.cycle-step{display:flex;align-items:center;gap:10px;text-align:left;border:1px solid rgba(255,255,255,.11);border-radius:14px;padding:12px;background:transparent;color:rgba(255,255,255,.6);cursor:pointer}.cycle-step b{color:var(--gold);font-size:.72rem}.cycle-step span{font-size:.8rem}.cycle-step.active{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(201,149,72,.55)}.cycle-detail{margin-top:auto;position:relative;display:grid;grid-template-columns:48px 1fr;gap:14px;padding:22px 140px 22px 0;border-top:1px solid rgba(255,255,255,.13);min-height:210px}.cycle-detail-number{font-size:.72rem;color:var(--gold);font-weight:800}.cycle-detail h3{margin:2px 0 8px;font-size:1.3rem}.cycle-detail p{color:rgba(255,255,255,.62);font-size:.86rem;margin:0}.cycle-detail .specimen-name{font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-bright)}.cycle-detail img{position:absolute;right:-8px;bottom:-5px;width:120px;height:190px;object-fit:cover;border-radius:60px 60px 18px 18px;filter:saturate(.85)}
.specimen-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:240px;gap:18px}.specimen-card{position:relative;border:0;padding:0;border-radius:24px;overflow:hidden;background:#15242d;cursor:zoom-in;box-shadow:0 12px 28px rgba(14,30,38,.12)}.specimen-card.wide{grid-column:span 2}.specimen-card.tall{grid-row:span 2}.specimen-card img{width:100%;height:100%;object-fit:cover;transition:.5s}.specimen-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,16,21,.88),transparent 58%)}.specimen-card:hover img{transform:scale(1.04)}.specimen-index{position:absolute;z-index:2;top:18px;left:18px;color:#fff;font-size:.7rem;letter-spacing:.18em}.specimen-caption{position:absolute;z-index:2;left:18px;bottom:18px;color:#fff}.specimen-caption b,.specimen-caption small{display:block}.specimen-caption b{font-size:1.05rem}.specimen-caption small{font-size:.72rem;opacity:.62}
.clinical-section{background:#e9e7e0}.clinical-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:26px}.organ-map{background:var(--night);color:#fff;border-radius:28px;padding:30px;display:grid;grid-template-columns:1fr;min-height:650px}.body-silhouette{position:relative;width:280px;height:440px;margin:0 auto}.body-head{position:absolute;top:10px;left:50%;width:70px;height:78px;transform:translateX(-50%);border-radius:46% 46% 48% 48%;background:rgba(255,255,255,.16)}.body-torso{position:absolute;top:95px;left:50%;width:160px;height:250px;transform:translateX(-50%);border-radius:44% 44% 34% 34%;background:rgba(255,255,255,.12)}.body-arm{position:absolute;top:110px;width:55px;height:270px;border-radius:30px;background:rgba(255,255,255,.09)}.body-arm.left{left:18px;transform:rotate(8deg)}.body-arm.right{right:18px;transform:rotate(-8deg)}.body-leg{position:absolute;top:330px;width:70px;height:100px;border-radius:30px;background:rgba(255,255,255,.1)}.body-leg.left{left:67px}.body-leg.right{right:67px}.organ-dot{position:absolute;width:24px;height:24px;border-radius:50%;border:5px solid rgba(255,255,255,.75);background:var(--gold);box-shadow:0 0 0 8px rgba(201,149,72,.15);cursor:pointer;z-index:3}.organ-dot.active{animation:pulse 2s infinite}.organ-dot.liver{top:205px;left:150px}.organ-dot.lung{top:155px;left:117px}.organ-dot.other{top:270px;left:92px}@keyframes pulse{50%{box-shadow:0 0 0 16px rgba(201,149,72,0)}}.organ-detail{border-top:1px solid rgba(255,255,255,.15);padding-top:22px}.organ-detail span{color:var(--gold);font-size:.74rem}.organ-detail h3{margin:5px 0}.organ-detail p{margin:0;color:rgba(255,255,255,.62);font-size:.9rem}.clinical-gallery{display:flex;flex-direction:column;gap:18px}.clinical-warning{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:center;background:#fff;border-radius:18px;padding:18px 20px}.clinical-warning span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#e6f2ec;color:var(--teal);font-weight:900}.clinical-warning p{margin:0;font-size:.86rem;color:var(--ink-soft)}.clinical-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;flex:1}.clinical-card{border:0;background:#fff;border-radius:22px;overflow:hidden;padding:0;text-align:left;cursor:zoom-in}.clinical-card img{width:100%;height:520px;object-fit:cover;object-position:center;transition:.4s}.clinical-card:hover img{transform:scale(1.03)}.clinical-card span{display:block;padding:14px 16px;font-size:.78rem;font-weight:700}
.section-sand{background:#eadfcb}.gansu-dashboard{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.gansu-figure,.trend-panel{margin:0;background:rgba(255,255,255,.72);border:1px solid rgba(17,32,43,.1);border-radius:26px;padding:18px}.zoom-image{position:relative;border:0;padding:0;background:transparent;cursor:zoom-in;border-radius:18px;overflow:hidden}.zoom-image span{position:absolute;right:15px;bottom:15px;background:rgba(13,24,33,.8);color:#fff;padding:8px 12px;border-radius:999px;font-size:.72rem}.gansu-figure figcaption{font-size:.76rem;color:var(--ink-soft);padding:12px 5px 0}.trend-panel{padding:30px;display:flex;flex-direction:column}.trend-label{font-size:.75rem;letter-spacing:.14em;font-weight:800;color:var(--ink-soft);margin:0}.bar-chart{height:300px;display:flex;align-items:end;gap:18px;padding:35px 6px 0;border-bottom:1px solid var(--line)}.bar-item{height:100%;flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:8px}.bar{width:100%;height:var(--value);min-height:20px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--teal-bright),var(--teal));transform-origin:bottom;animation:growBar 1.2s both}.bar-value{font-size:.8rem;font-weight:900}.bar-item small{padding:9px 0;color:var(--ink-soft)}@keyframes growBar{from{transform:scaleY(0)}}.trend-insight{display:grid;grid-template-columns:50px 1fr;gap:14px;margin:28px 0}.trend-arrow{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:#dcece6;color:var(--teal);font-size:1.4rem}.trend-insight strong{display:block}.trend-insight p{font-size:.83rem;color:var(--ink-soft);margin:3px 0}.risk-tags{display:flex;flex-wrap:wrap;gap:7px}.risk-tags span{padding:7px 10px;border:1px solid var(--line);border-radius:999px;font-size:.72rem;background:#fff}
.prevention-section{background:linear-gradient(135deg,#f7f4ed,#dfece6)}.prevention-lab{display:grid;grid-template-columns:.7fr 1.3fr;gap:24px;background:#fff;border-radius:30px;padding:28px;box-shadow:var(--shadow)}.prevention-meter{display:grid;place-items:center;text-align:center;padding:28px;border-radius:22px;background:var(--night);color:#fff}.meter-ring{--progress:0deg;width:230px;height:230px;border-radius:50%;background:conic-gradient(var(--gold) var(--progress),rgba(255,255,255,.12) 0);display:grid;place-items:center;position:relative}.meter-ring::after{content:"";position:absolute;inset:14px;border-radius:50%;background:var(--night)}.meter-ring>span{position:relative;z-index:2}.meter-ring strong{display:block;font-size:3rem;line-height:1}.meter-ring small{font-size:.72rem;color:rgba(255,255,255,.55)}.prevention-meter h3{margin:26px 0 5px}.prevention-meter p{color:rgba(255,255,255,.62);margin:0;max-width:280px}.meter-disclaimer{margin-top:22px;color:rgba(255,255,255,.4);font-size:.68rem}.intervention-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.intervention{display:grid;grid-template-columns:48px 1fr 28px;align-items:center;gap:14px;border:1px solid var(--line);background:#fbfaf7;border-radius:18px;padding:18px;text-align:left;cursor:pointer;transition:.25s}.intervention:hover{transform:translateY(-2px);border-color:rgba(46,125,113,.45)}.intervention.active{background:#e6f3ee;border-color:var(--teal)}.intervention-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:#edf0ec;font-weight:900;color:var(--teal)}.intervention b{display:block;font-size:.9rem}.intervention small{display:block;color:var(--ink-soft);font-size:.73rem;line-height:1.45}.intervention .check{opacity:0;color:var(--teal);font-weight:900}.intervention.active .check{opacity:1}
.quiz-wrap{max-width:960px}.quiz-wrap .section-heading{grid-template-columns:1fr}.quiz-card{background:#fff;color:var(--ink);border-radius:28px;padding:38px;box-shadow:0 35px 80px rgba(0,0,0,.22)}.quiz-topline{display:flex;justify-content:space-between;font-size:.75rem;font-weight:800;letter-spacing:.08em;color:var(--ink-soft)}.quiz-progress{height:3px;background:#e6e7e5;margin:14px 0 44px}.quiz-progress span{display:block;height:100%;width:25%;background:var(--gold);transition:.35s}.quiz-category{font-size:.68rem;letter-spacing:.18em;color:var(--teal);font-weight:900}.quiz-card h3{font-family:"Songti TC",serif;font-size:clamp(1.8rem,3.5vw,3.1rem);line-height:1.25;min-height:150px;margin:12px 0 28px}.quiz-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.quiz-answer{min-height:64px;border:1px solid var(--line);border-radius:16px;background:#f8f6f0;font-weight:900;cursor:pointer}.quiz-answer:hover{border-color:var(--gold)}.quiz-answer.correct{background:#dff2e9;border-color:var(--teal)}.quiz-answer.wrong{background:#f4ddd6;border-color:var(--clay)}.quiz-feedback{margin-top:18px;padding:18px;border-radius:16px;background:#eef2ef;color:var(--ink-soft)}.quiz-next{margin-top:18px}.final-section{background:var(--gold)}.final-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:80px;align-items:end}.final-grid p{font-size:1.05rem}.final-grid .section-kicker{color:rgba(17,32,43,.65)}
.site-footer{background:#071119;color:#fff;padding:70px 0 28px}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:60px}.footer-grid strong{display:block;margin-bottom:10px}.footer-grid p,.footer-grid a{display:block;color:rgba(255,255,255,.58);font-size:.8rem;margin:5px 0}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:18px;font-size:.68rem;color:rgba(255,255,255,.4)}
.museum-dialog,.guide-dialog{width:min(1100px,calc(100% - 32px));max-height:90vh;border:0;border-radius:28px;padding:0;background:#f7f4ed;color:var(--ink);box-shadow:0 50px 120px rgba(0,0,0,.45)}.museum-dialog::backdrop,.guide-dialog::backdrop{background:rgba(4,12,17,.78);backdrop-filter:blur(10px)}.dialog-close{position:absolute;z-index:10;right:18px;top:18px;width:44px;height:44px;border:0;border-radius:50%;background:rgba(13,24,33,.78);color:#fff;font-size:1.7rem;cursor:pointer}.dialog-grid{display:grid;grid-template-columns:1.2fr .8fr;min-height:660px}.dialog-image-wrap{background:#d9d4cb;display:grid;place-items:center;overflow:hidden}.dialog-image-wrap img{width:100%;height:660px;object-fit:contain}.dialog-copy{padding:70px 50px 40px;display:flex;flex-direction:column}.dialog-copy h2{font-family:"Songti TC",serif;font-size:2.8rem;line-height:1.1;margin:0}.dialog-copy .latin{font-style:italic;color:var(--teal)}.dialog-copy>p:last-of-type{color:var(--ink-soft)}.dialog-nav{margin-top:auto;display:flex;gap:10px}.dialog-nav button{width:48px;height:48px;border:1px solid var(--line);border-radius:50%;background:#fff;cursor:pointer}.guide-dialog{width:min(650px,calc(100% - 32px))}.guide-content{padding:60px}.guide-content h2{font-family:"Songti TC",serif;font-size:2.5rem}.guide-content li{margin:12px 0}.guide-content .button{margin-top:15px}
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