:root{--bg:#0d140c;--bg2:#131d11;--panel:#18241a;--panel2:#1f2e20;--line:rgba(255,255,255,.07);--text:#f3eedb;--muted:#b3b59f;--leaf:#79c93f;--leaf2:#4f9a23;--sun:#ffd23c;--wood:#6b4526;--wood2:#4a2f19;--r:14px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--leaf)}
img{max-width:100%}
.disp,h1,h2,.brand,.packet b,.play-btn{font-family:"Lilita One",system-ui,sans-serif;font-weight:400;letter-spacing:.3px}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(13,20,12,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:18px;height:60px}
.brand{display:flex;align-items:center;gap:8px;font-size:1.55rem;line-height:1;color:var(--leaf);text-decoration:none;white-space:nowrap}
.brand span{display:inline}.brand i{font-style:normal;color:#d9dcd3}
.brand img{width:40px;height:24px;object-fit:cover;border-radius:4px}
.nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:.93rem;padding:7px 12px;border-radius:999px;white-space:nowrap}
.nav a:hover{color:var(--text);background:var(--panel)}
.nav a.on{color:#10200b;background:var(--leaf)}

/* hero */
.hero{position:relative;padding:22px 0 8px;background:linear-gradient(180deg,rgba(13,20,12,.35) 0%,rgba(13,20,12,.85) 60%,var(--bg) 100%),url(/ui/lawn.webp) center top/cover no-repeat}
.bc{font-size:.82rem;color:var(--muted);margin-bottom:6px}
.bc a{color:var(--muted);text-decoration:none}
.bc a:hover{color:var(--text)}
.hero h1{font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.12;text-shadow:0 2px 0 rgba(0,0,0,.35)}
.hero h1 em{font-style:normal;color:var(--leaf)}
.lead{color:#d8d9c8;max-width:760px;margin-top:6px;font-size:1.02rem}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{font-size:.8rem;font-weight:600;color:#d8d9c8;background:rgba(0,0,0,.35);border:1px solid var(--line);padding:3px 10px;border-radius:999px}
.chip.star{color:var(--sun)}

/* seed tray = version switcher */
.tray{display:flex;gap:10px;align-items:stretch;margin:18px 0 14px;padding:10px;background:linear-gradient(180deg,var(--wood) 0%,var(--wood2) 100%);border-radius:12px;box-shadow:inset 0 2px 0 rgba(255,255,255,.12),0 6px 20px rgba(0,0,0,.35);overflow-x:auto;scrollbar-width:none}
.tray::-webkit-scrollbar{display:none}
.tray .lbl{flex:none;display:flex;align-items:center;padding:0 6px 0 4px;color:#f7d9a8;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.8px;writing-mode:vertical-rl;transform:rotate(180deg)}
.packet{flex:1 0 190px;display:flex;align-items:center;gap:10px;padding:6px 12px 6px 6px;background:#f4e7c1;border-radius:9px;text-decoration:none;color:#3a2410;border:2px solid transparent;transition:transform .12s}
.packet:hover{transform:translateY(-2px)}
.packet img{width:78px;height:47px;object-fit:cover;border-radius:6px;flex:none;background:#2c4a1c}
.packet b{display:block;font-size:1.08rem;line-height:1.15;color:#2e5d14}
.packet small{display:block;font-size:.74rem;color:#7a5a37;line-height:1.3}
.packet.on{border-color:var(--sun);box-shadow:0 0 0 3px rgba(255,210,60,.35)}
.packet.on b::after{content:" ● playing";font:700 .62rem system-ui,sans-serif;color:#b8860b;vertical-align:middle;letter-spacing:0}

/* stage */
.stage{position:relative;background:#000;border-radius:var(--r);overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.55),0 0 0 1px var(--line);aspect-ratio:3/2;max-height:calc(100vh - 90px);margin:0 auto}
.stage.wide{aspect-ratio:16/9}
.stage.tall{aspect-ratio:auto;height:min(82vh,860px);max-width:520px}
.stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.stage.fixed iframe{transform-origin:0 0}
.stage:fullscreen{max-height:none;border-radius:0}
.stage:-webkit-full-screen{max-height:none;border-radius:0}
.poster{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-bottom:4%;cursor:pointer;background:center/cover no-repeat #10240f}
.poster::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(0,0,0,.35) 0%,rgba(0,0,0,.1) 60%,rgba(0,0,0,0) 100%)}
.poster.gone{display:none}
.poster.dim::before{background:rgba(5,12,4,.62)}
.poster .hint{background:rgba(0,0,0,.45);padding:3px 12px;border-radius:999px}
.play-btn{position:relative;display:inline-flex;align-items:center;gap:10px;font-size:1.6rem;color:#fffbe8;background:linear-gradient(180deg,#8fdc4c 0%,#4f9a23 100%);border:3px solid #2b5a10;border-radius:16px;padding:10px 34px 12px;box-shadow:0 5px 0 #2b5a10,0 10px 30px rgba(0,0,0,.5);text-shadow:0 2px 0 rgba(0,0,0,.35);cursor:pointer;transition:transform .1s}
.play-btn:hover{transform:translateY(-2px)}
.play-btn:active{transform:translateY(2px);box-shadow:0 2px 0 #2b5a10}
.play-btn svg{width:22px;height:22px}
.poster .hint{position:relative;margin-top:12px;font-size:.8rem;color:#e8e6d2;text-shadow:0 1px 2px #000}

.bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin:10px 0 0;font-size:.85rem;color:var(--muted)}
.bar button{font:600 .85rem system-ui,sans-serif;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:6px 14px;cursor:pointer}
.bar button:hover{background:var(--panel2)}
.bar .sp{margin-left:auto}
.rot{display:none;margin-top:10px;font-size:.85rem;color:var(--sun);text-align:center}
@media (max-width:700px) and (orientation:portrait){.rot.show{display:block}}

/* content */
main{padding-bottom:10px}
.sec{padding:34px 0 6px}
.sec h2{font-size:clamp(1.4rem,2.6vw,1.8rem);line-height:1.2;margin-bottom:12px}
.sec h2 em{font-style:normal;color:var(--leaf)}
.sec h3{font-size:1.05rem;margin:18px 0 8px;color:var(--sun)}
.sec p{color:#d6d7c6;margin-bottom:10px;max-width:820px}
.sec ul,.sec ol{color:#d6d7c6;padding-left:22px;margin-bottom:10px;max-width:820px}
.sec li{margin-bottom:5px}
.sec strong{color:var(--text)}
.steps{list-style:none;padding:0!important;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;max-width:none!important;counter-reset:s}
.steps li{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 14px 14px 56px;margin:0!important;counter-increment:s;font-size:.93rem}
.steps li::before{content:counter(s);position:absolute;left:14px;top:14px;width:30px;height:30px;border-radius:50%;background:radial-gradient(circle at 40% 35%,#fff3a0 0%,var(--sun) 55%,#e0a100 100%);color:#5a3b00;font:800 .95rem/30px system-ui,sans-serif;text-align:center;box-shadow:0 0 14px rgba(255,210,60,.45)}
.steps b{display:block;color:var(--text);margin-bottom:2px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px}
.card h4{color:var(--leaf);font-size:1rem;margin-bottom:4px}
.card p{color:var(--muted);font-size:.9rem;margin:0}
.alm{display:flex;gap:12px;align-items:flex-start}
.alm img{width:80px;height:48px;border-radius:6px;flex:none;object-fit:cover}
.alm.z img{width:44px;height:62px}
.alm .c{font:700 .75rem system-ui,sans-serif;color:var(--sun);margin-left:4px}
.tips{list-style:none;padding:0!important}
.tips li{position:relative;padding-left:28px}
.tips li::before{content:"";position:absolute;left:4px;top:.55em;width:12px;height:12px;border-radius:50%;background:var(--leaf);box-shadow:0 0 0 3px rgba(121,201,63,.2)}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:8px;max-width:860px}
.faq summary{cursor:pointer;list-style:none;padding:14px 44px 14px 16px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:1.3rem;color:var(--leaf)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 16px 14px;margin:0;color:#d6d7c6}
.more{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px}
.more a{display:block;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;color:var(--text);transition:transform .12s}
.more a:hover{transform:translateY(-3px)}
.more img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:#10240f}
.more b{display:block;padding:10px 14px 0;color:var(--leaf)}
.more small{display:block;padding:2px 14px 12px;color:var(--muted);font-size:.85rem}
.credit{font-size:.84rem;color:var(--muted)}
.foot{margin-top:40px;border-top:1px solid var(--line);background:var(--bg2);padding:26px 0 30px;font-size:.88rem;color:var(--muted)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--text)}
.foot .brand{font-size:1.25rem}
@media (max-width:700px){.chips,.tray .lbl{display:none}.lead{font-size:.95rem}.tray{margin:12px 0 10px;padding:7px;gap:7px}.packet{flex:0 0 auto;padding:5px 10px 5px 5px;gap:8px}.packet img{width:54px;height:33px}.packet b{font-size:.95rem;white-space:nowrap}.packet small{white-space:nowrap}.packet.on b::after{content:""}.top .wrap{gap:10px}.brand{font-size:1.3rem}.brand img{display:none}.nav a{padding:6px 9px;font-size:.86rem}.play-btn{font-size:1.3rem;padding:8px 24px 10px}.bar .sp{margin-left:0}.hero{padding-top:14px}}