*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}.zhangmen{--bg:#f4f0e5;--ink:#243c48;--muted:#5e6e6d;--accent:#846126;--line:#c9c5b5;--panel:#ebe8db;--button:#244f55}.planet{--bg:#071424;--ink:#eff7ff;--muted:#adc3d6;--accent:#e9c87c;--line:#29435b;--panel:#0e2136;--button:#b5ddf2}a{color:inherit;text-decoration:none}button{font:inherit}a,button{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,video:focus-visible{outline:3px solid var(--accent);outline-offset:5px}header{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}nav{max-width:1360px;margin:auto;min-height:84px;padding:12px 5%;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:center;gap:12px;margin-right:auto;font-weight:700;font-size:19px}.brand img{width:48px;height:48px;border-radius:12px}.nav-link{font-size:14px;white-space:nowrap}.nav-cta{border:1px solid var(--line);padding:8px 20px}.hero{position:relative}.hero-art{display:block;width:100%;height:auto;max-height:76vh;object-fit:cover;object-position:center}.planet .hero-art{max-height:80vh}.hero-note{position:absolute;bottom:22px;right:5%;color:white;background:#071424b8;padding:5px 14px;font-size:12px;letter-spacing:2px}.intro,.section,footer{max-width:1200px;margin:auto;padding:80px 40px}.intro{display:grid;grid-template-columns:1.25fr 1fr;gap:60px;align-items:center;border-bottom:1px solid var(--line)}.eyebrow{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:3px;margin:0 0 18px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,4vw,58px);line-height:1.3;letter-spacing:2px;margin-bottom:20px}.zhangmen h1,.zhangmen h2,.zhangmen h3{font-family:"Songti SC","STSong",serif}h2{font-size:clamp(28px,3vw,40px);line-height:1.4;margin-bottom:24px}h3{font-size:23px;margin-bottom:12px}.lede{color:var(--muted);font-size:18px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:10px 25px;border:1px solid var(--button);background:var(--button);color:var(--bg);font-weight:600;cursor:pointer}.button.secondary{color:var(--ink);background:transparent;border-color:var(--line)}.facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:24px;margin-top:28px;gap:12px}.facts strong{font-size:28px;line-height:1.2;display:block;color:var(--accent)}.facts span{font-size:14px;color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:36px}.section-head h2{margin:0}.section-head>p{color:var(--muted);margin:0}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.feature{border-top:1px solid var(--line);padding-top:25px}.feature>span{display:block;color:var(--accent);font-size:14px;letter-spacing:3px;margin-bottom:28px}.feature p{color:var(--muted);margin:0}.world{background:var(--panel)}.world-inner{max-width:1200px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:70px 40px}.world img{display:block;width:100%;border-radius:2px}.world p{color:var(--muted)}.world ol{padding-left:22px}.world li{padding:10px 0;border-bottom:1px solid var(--line)}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.gallery figure{margin:0}.shot{display:block;width:100%;padding:0;background:var(--panel);border:1px solid var(--line);cursor:zoom-in;overflow:hidden}.shot img{display:block;width:100%;height:auto;transition:transform .3s}.shot:hover img{transform:scale(1.025)}figcaption{font-size:14px;color:var(--muted);padding-top:13px}.media-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:26px;align-items:start}.media-grid figure{margin:0}.media-grid video{width:100%;max-height:520px;background:#08121c;display:block}.download{border:1px solid var(--line);background:var(--panel);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px}.download h2{margin-bottom:14px}.download p{color:var(--muted);margin-bottom:0}.status{display:block;border:1px solid var(--line);padding:14px 26px;white-space:nowrap;color:var(--muted)}.download-qr{max-width:160px;height:auto;display:block;margin:18px auto 0}footer{padding-top:25px;padding-bottom:35px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:14px}dialog{border:1px solid var(--line);padding:16px;background:var(--bg);color:var(--ink);max-width:95vw;max-height:94vh}dialog::backdrop{background:#000c}dialog img{display:block;max-width:85vw;max-height:78vh;object-fit:contain;margin:auto}.close{display:block;margin:0 0 12px auto;padding:7px 18px;background:var(--panel);color:var(--ink);border:1px solid var(--line);cursor:pointer}.skip{position:fixed;top:-100px;left:12px;z-index:10;background:var(--bg);padding:10px}.skip:focus{top:10px}
@media(min-width:1500px){.hero-art{max-height:none;width:100%;aspect-ratio:1920/950;object-fit:cover}}
@media(max-width:760px){nav{min-height:72px;gap:14px;padding:10px 18px}.brand{font-size:16px;gap:8px}.brand img{width:38px;height:38px}.nav-link{display:none}.nav-cta{font-size:14px;padding:6px 12px}.hero-art,.planet .hero-art{max-height:none;aspect-ratio:1;object-fit:cover}.hero-note{bottom:10px;font-size:10px}.intro,.section{padding:48px 22px}.intro{grid-template-columns:1fr;gap:20px}.intro .lede{margin:0}.eyebrow{font-size:12px;letter-spacing:2px}h1{font-size:36px}.features{grid-template-columns:1fr;gap:28px}.feature>span{margin-bottom:12px}.world-inner{grid-template-columns:1fr;padding:40px 22px;gap:28px}.section-head{display:block}.section-head>p{margin-top:12px}.gallery{gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}figcaption{font-size:12px}.media-grid{grid-template-columns:1fr}.download{padding:28px;display:block}.download .status{margin-top:24px;text-align:center;white-space:normal}.download .button{margin-top:24px}footer{margin:0 22px;padding:24px 0;flex-wrap:wrap}.facts strong{font-size:25px}}
.hero-art,.planet .hero-art{max-height:none;aspect-ratio:auto;object-fit:contain}
.world img{height:auto}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.shot img{transition:none}}