:root{--ink:#eaf3ee;--muted:#a6b9b1;--bg:#08131a;--panel:#10232a;--line:#294149;--teal:#73d6c1;--amber:#f5b85d;--paper:#e3d8bb;--dark:#19252a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--amber);color:#12191c;padding:.5rem 1rem;z-index:10}.topbar{height:76px;display:flex;align-items:center;gap:28px;padding:0 5vw;border-bottom:1px solid #1b3038;position:sticky;top:0;background:rgba(8,19,26,.9);backdrop-filter:blur(12px);z-index:5}.wordmark{display:flex;align-items:center;gap:10px;margin-right:auto}.sigil{color:var(--amber);font-size:1.5rem}.wordmark b{display:block;font-family:Georgia,serif;font-size:1.05rem;letter-spacing:.08em}.wordmark small{display:block;color:var(--muted);font-size:.58rem;letter-spacing:.18em}nav{display:flex;gap:24px;color:var(--muted);font-size:.88rem}nav a:hover,nav a:focus{color:var(--teal)}.top-download,.primary,.download-button{background:var(--amber);color:#1a2425;padding:11px 18px;font-weight:700;display:inline-flex;gap:14px;align-items:center}.intro{min-height:calc(100vh - 76px);display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:5vw;padding:7vw 8vw 6vw;position:relative;overflow:hidden}.intro:after{content:"";position:absolute;inset:auto 0 0;height:1px;background:var(--line)}.kicker{color:var(--teal);font-size:.72rem;letter-spacing:.22em;margin:0 0 18px}.intro h1{font:clamp(3.6rem,8vw,8rem)/.98 Georgia,serif;margin:0 0 24px;letter-spacing:.01em}.intro h1 em{color:var(--amber);font-style:normal}.lede{max-width:520px;color:var(--muted);font-size:1.08rem}.intro-actions{display:flex;gap:20px;align-items:center;margin:32px 0}.quiet{color:var(--teal);border-bottom:1px solid var(--teal);padding-bottom:3px}.facts{display:flex;gap:25px;color:var(--muted);font-size:.8rem}.facts b{color:var(--ink);display:block;font-size:.9rem}.intro-art{height:520px;position:relative;background:linear-gradient(#122e39 0%,#0c2028 55%,#091116 100%);overflow:hidden;border-left:1px solid #34535a}.intro-art:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(112,214,193,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(112,214,193,.08) 1px,transparent 1px);background-size:42px 42px;transform:perspective(420px) rotateX(55deg) scale(1.6);transform-origin:bottom}.moon{position:absolute;width:180px;height:180px;border-radius:50%;right:16%;top:13%;background:#e8dfbe;box-shadow:0 0 60px rgba(232,223,190,.3)}.mountains{position:absolute;bottom:0;left:-5%;width:110%;height:48%;background:linear-gradient(140deg,transparent 0 15%,#173a43 15% 35%,transparent 35% 48%,#153139 48% 70%,transparent 70%),linear-gradient(35deg,#0b1b22 30%,transparent 30%);clip-path:polygon(0 100%,0 65%,18% 35%,32% 72%,48% 28%,66% 62%,82% 22%,100% 58%,100% 100%)}.tower{position:absolute;bottom:24%;left:47%;width:90px;height:210px;background:#14262d;border:3px solid #59736e;clip-path:polygon(15% 100%,15% 25%,35% 25%,35% 0,65% 0,65% 25%,85% 25%,85% 100%)}.tower i{position:absolute;width:11px;height:18px;background:var(--amber);top:52px;left:22px;box-shadow:34px 0 var(--amber)}.tower i:nth-child(2){top:92px}.tower i:nth-child(3){top:132px}.tower b{position:absolute;top:-44px;left:37px;color:var(--amber);font-size:2rem}.stamp{position:absolute;right:26px;bottom:24px;border:1px solid var(--amber);color:var(--amber);padding:8px 12px;line-height:1.05;font:700 .72rem Georgia,serif;letter-spacing:.12em;transform:rotate(-7deg)}.stamp small{font:normal .5rem sans-serif;letter-spacing:.18em}.map-section,.stairs-section,.gallery,.faq{padding:7vw 8vw}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-head h2,.clue-copy h2,.download-copy h2{font:clamp(2rem,4vw,4rem)/1.1 Georgia,serif;margin:0}.section-head>p{max-width:350px;color:var(--muted);margin:0}.map-board{height:560px;position:relative;background:#d6cba9;color:#26343a;overflow:hidden;background-image:radial-gradient(rgba(79,89,74,.13) 1px,transparent 1px);background-size:12px 12px;box-shadow:0 16px 50px rgba(0,0,0,.25)}.map-board:before{content:"SLEEPING ARCHIVE / FIELD MAP";position:absolute;top:24px;left:28px;letter-spacing:.2em;font-size:.7rem;color:#60736d}.route{position:absolute;height:2px;background:#8b6b45;transform-origin:left}.route-a{width:54%;left:13%;top:49%;transform:rotate(-24deg)}.route-b{width:43%;left:42%;top:51%;transform:rotate(36deg)}.route-c{width:37%;left:45%;top:73%;transform:rotate(-60deg)}.pin{position:absolute;border:0;background:transparent;color:#26343a;text-align:left;cursor:pointer}.pin span{display:grid;place-items:center;width:50px;height:50px;background:#26343a;color:var(--amber);border-radius:50%;font-size:1.25rem;box-shadow:0 0 0 7px rgba(38,52,58,.12)}.pin b,.pin small{display:block}.pin b{margin-top:10px;font-family:Georgia,serif;font-size:1.1rem}.pin small{font-size:.58rem;letter-spacing:.12em;color:#6f7767}.pin-town{left:13%;top:35%}.pin-library{left:43%;top:14%}.pin-stairs{right:13%;bottom:16%}.map-note{position:absolute;right:28px;top:24px;width:230px;border-left:2px solid #bd8a45;padding:10px 14px;color:#556459;font-size:.82rem}.clue-section{display:grid;grid-template-columns:1fr 1fr;gap:8vw;padding:7vw 12vw;background:#0d1f25;align-items:center}.clue-visual{min-height:410px;display:grid;place-items:center;background:linear-gradient(135deg,#18363c,#0b1a21);position:relative}.paper{background:var(--paper);color:#27353a;width:72%;padding:34px 30px;transform:rotate(-5deg);box-shadow:18px 18px 0 rgba(245,184,93,.15)}.paper span{font-size:.72rem;letter-spacing:.16em;color:#805321}.paper h3{font:2.4rem/1.1 Georgia,serif;margin:28px 0 20px}.paper p{font-size:.92rem}.scribble{border-top:1px solid #b09d7d;margin-top:28px;padding-top:12px;font:1.4rem Georgia,serif;color:#9b6a3d}.clue-copy>p{color:var(--muted);max-width:440px}.clue-list{list-style:none;margin:32px 0 0;padding:0}.clue-list li{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:17px 0;border-bottom:1px solid var(--line)}.clue-list strong{color:var(--amber);font:1.2rem Georgia,serif}.clue-list span{color:var(--muted);font-size:.9rem}.stairs-section{background:#0a171d}.stairs-track{display:flex;align-items:center;gap:18px;margin:55px 0}.step{width:180px;height:120px;border:1px solid var(--line);padding:16px;background:#0d242b}.step.current{border-color:var(--amber);box-shadow:0 0 0 5px rgba(245,184,93,.1)}.step span{color:var(--teal);font-size:.7rem;letter-spacing:.15em}.step b,.step small{display:block}.step b{font:1.35rem Georgia,serif;margin:12px 0 2px}.step small{color:var(--muted);font-size:.75rem}.line{height:1px;background:var(--line);flex:1}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.stat-row div{padding:22px 18px;border-right:1px solid var(--line)}.stat-row div:last-child{border:0}.stat-row b,.stat-row span{display:block}.stat-row span{color:var(--muted);font-size:.85rem;margin-top:5px}.gallery-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:14px}.gallery figure{margin:0;background:#10242a;min-width:0}.gallery img{width:100%;height:250px;display:block;object-fit:cover;filter:saturate(.72) contrast(1.02)}.gallery .wide img{height:330px}.gallery figcaption{padding:16px 18px}.gallery figcaption b,.gallery figcaption span{display:block}.gallery figcaption span{font-size:.8rem;color:var(--muted);margin-top:4px}.download-section{padding:8vw 12vw;display:grid;grid-template-columns:1fr 1fr;gap:8vw;background:#12343a;align-items:center}.download-copy>p{color:var(--muted);max-width:480px}.download-button{margin-top:20px}.download-note{display:block;color:#9bb8af;margin-top:14px;font-size:.75rem}.download-card{border:1px solid #467268;padding:30px;display:flex;gap:28px;align-items:center;background:rgba(8,19,26,.35)}.qr-placeholder{width:145px;height:145px;display:grid;place-items:center;border:7px solid var(--paper);background:repeating-linear-gradient(45deg,#152b2f 0 6px,#e3d8bb 6px 10px);color:#152b2f;text-align:center}.qr-placeholder span{font-size:.55rem;letter-spacing:.2em}.qr-placeholder b{font:1.8rem Georgia,serif}.download-card ol{padding-left:20px;color:var(--muted);font-size:.85rem}.faq{max-width:920px;margin:auto}.faq details{border-top:1px solid var(--line);padding:20px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font:1.25rem Georgia,serif}.faq p{color:var(--muted);max-width:700px}footer{padding:28px 8vw;display:flex;justify-content:space-between;border-top:1px solid var(--line);color:#78918b;font-size:.76rem}@media(max-width:800px){.topbar{height:auto;min-height:68px;padding:12px 5vw;gap:12px;flex-wrap:wrap}.topbar nav{order:3;width:100%;overflow:auto;gap:18px;padding-bottom:3px}.top-download{padding:9px 12px;font-size:.78rem}.intro{grid-template-columns:1fr;padding:16vw 7vw 12vw}.intro-art{height:360px;order:-1}.intro h1{font-size:clamp(3rem,15vw,5rem)}.lede{font-size:1rem}.facts{gap:14px;flex-wrap:wrap}.section-head{display:block}.section-head>p{margin-top:14px}.map-section,.stairs-section,.gallery,.faq{padding:16vw 7vw}.map-board{height:500px}.map-note{right:16px;left:16px;top:auto;bottom:16px;width:auto}.pin-town{left:8%;top:30%}.pin-library{left:38%;top:13%}.pin-stairs{right:8%;bottom:23%}.clue-section,.download-section{grid-template-columns:1fr;padding:16vw 7vw;gap:12vw}.paper{width:82%}.clue-copy h2,.download-copy h2{font-size:2.8rem}.stairs-track{gap:8px;margin:35px 0;align-items:stretch}.step{width:auto;flex:1;height:110px;padding:11px}.step b{font-size:1rem}.step small{font-size:.68rem}.line{display:none}.stat-row{grid-template-columns:1fr}.stat-row div{border-right:0;border-bottom:1px solid var(--line)}.gallery-grid{grid-template-columns:1fr}.gallery .wide img,.gallery img{height:220px}.download-card{flex-direction:column;align-items:flex-start}.download-button{width:100%;justify-content:center}footer{display:block;padding:24px 7vw}footer span{display:block;margin:5px 0}}