:root{color-scheme:dark;--base:#181f17;--panel:#252e22;--line:#3e4b36;--muted:#bcc8ae;--text:#f2f2dd;--green:#bce477;--shadow:#0d150c}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--base);color:var(--text);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #f5cf6a;outline-offset:4px}.wrap{width:min(1140px,calc(100% - 56px));margin-inline:auto}.top{background:#161d16;border-bottom:1px solid #3b4834}.top-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;gap:10px;font:900 17px/1 system-ui,sans-serif;letter-spacing:.13em;white-space:nowrap}.brand span{letter-spacing:.08em;color:var(--green)}nav{display:flex;gap:30px;color:#d0d9c3;font-size:14px;font-weight:700}nav a:hover{color:var(--green)}
.hero{isolation:isolate;position:relative;overflow:hidden;background:#31422a;min-height:570px;display:grid;align-items:center}.landscape{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:59% 50%;z-index:-2}.hero::after{position:absolute;inset:0;z-index:-1;content:"";background:linear-gradient(90deg,#121e15f7 0%,#162318d1 33%,#19291b40 65%,transparent 84%),linear-gradient(0deg,#111c149e,transparent 32%)}.hero-inner{padding:54px 0 74px}.eyebrow,.kicker{font:800 12px/1.5 ui-monospace,monospace;letter-spacing:.16em;color:var(--green)}.eyebrow{display:flex;align-items:center;gap:10px}.eyebrow i{width:9px;height:9px;background:var(--green);box-shadow:2px 2px #455d34}.hero h1{font-size:clamp(60px,9vw,124px);letter-spacing:.06em;line-height:.91;margin:26px 0 26px;text-shadow:4px 4px #3c5138,8px 8px #142019;font-weight:900}.hero h1 strong{color:#eff5d3;letter-spacing:.045em;font-weight:1000}.hero p{color:#e5ecd7;margin:0 0 27px;font-size:17px}.scene-caption{position:absolute;bottom:21px;right:max(28px,calc((100% - 1140px)/2));font:800 10px ui-monospace,monospace;letter-spacing:.2em;color:#e1f0d0;text-shadow:1px 2px #10180d}.scene-caption span{color:var(--green)}
.button{display:inline-flex;justify-content:space-between;gap:18px;align-items:center;min-height:48px;padding:11px 16px;background:#a6d467;color:#14210b;border:1px solid #c5e992;box-shadow:inset 0 3px #ffffff32,0 4px #47732e,0 6px #101b0b;font-size:15px;font-weight:900;transition:background .15s,transform .15s}.button:hover{background:#c0ea81;transform:translateY(-1px)}.button:active{transform:translateY(3px)}.button span{font-family:ui-monospace,monospace;font-size:20px;line-height:1}.hero-button{min-width:171px}
.edition{border-block:1px solid #495b3f;background:#263420}.edition .wrap{display:flex;flex-wrap:wrap;gap:8px 23px;min-height:55px;align-items:center;padding-block:10px}.edition b{font:900 13px ui-monospace,monospace;letter-spacing:.12em;color:var(--green)}.edition span{font-size:13px;color:#d4ddc3}.edition span::before{content:"";display:inline-block;width:5px;height:5px;background:#84966f;margin:0 10px 2px 0}
.content{padding-block:68px 75px;display:grid;gap:59px}.content section{scroll-margin-top:24px}.kicker span{color:#859778}.content h2{font-size:clamp(28px,4.5vw,42px);line-height:1.18;margin:9px 0 13px;letter-spacing:.025em}.intro{color:var(--muted);margin:0 0 24px}.cards,.routes{display:grid;grid-template-columns:1fr 1fr;gap:16px}.card{padding:25px;background:var(--panel);border:1px solid var(--line);box-shadow:inset 0 3px #34412d,0 4px var(--shadow)}.platform-icon{width:41px;height:41px;display:grid;place-items:center;background:#35442d;border:1px solid #597345;color:var(--green)}.platform-icon svg{width:22px;fill:currentColor}.card h3{font-size:25px;margin:12px 0 0}.card p{color:var(--muted);margin:2px 0 20px;font-size:14px}.note{margin-top:22px;background:#232c20;border-left:3px solid #81a657;padding:12px 16px;color:#dae5cd}.note p{display:inline;margin:0 0 0 12px;color:var(--muted);font-size:14px}.route{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#222c20;padding:14px 16px;border:1px solid var(--line)}.route b{display:block;font-size:14px}.route code{font-size:15px;color:var(--green);overflow-wrap:anywhere}.route button{background:#333f2a;border:1px solid #596f48;color:#f0f4e2;padding:5px 10px;min-width:54px;cursor:pointer;font-size:13px}.route button:hover{background:#4c613b}
.help ol{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;list-style:none;counter-reset:guide;margin:22px 0;padding:0}.help li{counter-increment:guide;border-top:1px solid var(--line);padding-top:12px}.help li::before{content:"0" counter(guide);font:800 12px ui-monospace,monospace;color:var(--green);margin-right:8px}.help li span{display:block;color:var(--muted);font-size:14px;margin-top:4px}.help details{border-block:1px solid var(--line);padding:10px 0}.help summary{cursor:pointer;font-weight:700}.help details p{color:var(--muted);margin:8px 0;font-size:14px}footer{background:#121911;border-top:1px solid #34402d;padding:23px 0;color:var(--muted)}footer .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px}footer p{margin:0;font-size:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(max-width:640px){.wrap{width:calc(100% - 32px)}.top-inner{min-height:58px}.brand{font-size:14px;gap:7px}nav{gap:13px;font-size:13px}.hero{min-height:490px}.hero-inner{padding:45px 0 59px}.landscape{object-position:64% 50%}.hero::after{background:linear-gradient(90deg,#142016ed,#18271960 87%),linear-gradient(0deg,#10180db0,transparent 55%)}.scene-caption{right:16px;bottom:12px}.content{padding-block:44px;gap:43px}.cards,.routes,.help ol{grid-template-columns:1fr}.card{padding:19px}.note p{display:block;margin:3px 0 0}.help ol{gap:10px}.edition .wrap{gap:7px 12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}

.local-label{display:inline-block;padding:5px 9px;border:1px solid #566a45;color:var(--green);font-size:13px}