:root{--bg:#ffffff;--sf:#f7f7f8;--bd:#e6e6ea;--tx:#111114;--mu:#6b6b76;--ac:#5b3df5;--acs:#efebff;--sp:#b45309}
*{box-sizing:border-box}body{margin:0;font:15px/1.55 Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--tx);background:var(--bg)}a{color:inherit;text-decoration:none}
.w{max-width:1120px;margin:0 auto;padding:0 20px}header.n{border-bottom:1px solid var(--bd);position:sticky;top:0;background:#fffe;backdrop-filter:blur(6px);z-index:5}
header.n .w{display:flex;align-items:center;gap:22px;height:56px}.logo{font-weight:700;display:flex;gap:8px;align-items:center}.logo img{height:28px;width:auto;display:block}
nav a{color:var(--mu);font-size:14px;margin-right:16px}nav a:hover{color:var(--tx)}.sp1{flex:1}.kbd{border:1px solid var(--bd);border-radius:8px;padding:5px 10px;color:var(--mu);font-size:13px;background:var(--sf);cursor:pointer}
.btn{display:inline-block;border:1px solid var(--bd);border-radius:8px;padding:7px 14px;font-size:14px;background:#fff;cursor:pointer}.btn.p{background:var(--ac);color:#fff;border-color:var(--ac)}
.hero{text-align:center;padding:56px 0 34px}.hero h1{font-size:44px;line-height:1.1;margin:10px 0;letter-spacing:-.02em}.hero p{color:var(--mu);font-size:18px;max-width:620px;margin:0 auto 22px}
.pill{display:inline-block;font-size:12px;border:1px solid var(--bd);border-radius:999px;padding:3px 10px;color:var(--mu);background:var(--sf)}
form.nl{display:flex;gap:8px;justify-content:center;margin:0 auto}form.nl input{border:1px solid var(--bd);border-radius:8px;padding:9px 12px;width:260px;font:inherit}.nlnote{font-size:12px;color:var(--mu);margin-top:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.chip{border:1px solid var(--bd);border-radius:999px;padding:4px 12px;font-size:13px;background:#fff;cursor:pointer}.chip b{color:var(--mu);font-weight:500;margin-left:4px}.chip.on{background:var(--tx);color:#fff;border-color:var(--tx)}.chip.on b{color:#ccc}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--bd);margin-top:24px}.tab{padding:8px 14px;cursor:pointer;color:var(--mu);border-bottom:2px solid transparent;font-weight:500}.tab.on{color:var(--tx);border-color:var(--ac)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin:18px 0 40px}
.card{border:1px solid var(--bd);border-radius:12px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:.15s}.card:hover{box-shadow:0 4px 18px #0000000f;transform:translateY(-1px)}
.thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--acs),#f4f4f6 60%,#fff);position:relative;display:flex;align-items:center;justify-content:center;color:var(--ac);font-weight:700;font-size:20px;letter-spacing:-.01em}
.thumb .play{position:absolute;right:10px;bottom:10px;font-size:11px;background:#fff;border:1px solid var(--bd);border-radius:999px;padding:2px 8px;color:var(--mu);font-weight:500}
.thumb .ty{position:absolute;left:10px;top:10px;font-size:11px;background:#fff;border-radius:999px;padding:2px 8px;color:var(--tx);font-weight:600;border:1px solid var(--bd)}
.cb{padding:12px 14px;flex:1;display:flex;flex-direction:column;gap:6px}.cb h3{margin:0;font-size:15px}.cb p{margin:0;color:var(--mu);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--mu);margin-top:auto}.tag{background:var(--sf);border-radius:6px;padding:1px 7px}.ver{color:#047857}.ver.s{color:var(--mu)}
.card.sp{border-color:#f3d9b1;background:#fffaf2}.card.sp .thumb{background:linear-gradient(135deg,#fde9c8,#fff7ea)}.splabel{font-size:11px;color:var(--sp);font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.crumb{font-size:13px;color:var(--mu);margin:22px 0 6px}.crumb a:hover{text-decoration:underline}
.detail{display:grid;grid-template-columns:1fr 300px;gap:36px;margin:10px 0 50px}.detail h1{font-size:32px;margin:4px 0 8px;letter-spacing:-.02em}.detail h2{font-size:17px;margin:26px 0 8px}
.side{border:1px solid var(--bd);border-radius:12px;padding:16px;height:fit-content;font-size:14px;position:sticky;top:76px}.side dt{color:var(--mu);font-size:12px;margin-top:10px}.side dd{margin:0}
.prompt{background:#0f0f14;color:#ecebff;border-radius:10px;padding:14px;font:13px/1.5 ui-monospace,Menlo,monospace;white-space:pre-wrap;position:relative}.prompt button{position:absolute;top:8px;right:8px;font-size:12px}
.box{border:1px solid var(--bd);border-radius:12px;padding:18px;background:var(--sf);margin:22px 0}.ev{font-size:12px;color:var(--mu);font-style:italic}
table.st{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0 40px}table.st th,table.st td{border-bottom:1px solid var(--bd);padding:9px 8px;text-align:left;vertical-align:top}table.st th{color:var(--mu);font-weight:500;font-size:12px;text-transform:uppercase}
.unk{color:#9a9aa5}.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0 40px}.tier{border:1px solid var(--bd);border-radius:12px;padding:20px}.tier .pr{font-size:28px;font-weight:700}
footer{border-top:1px solid var(--bd);padding:26px 0 40px;color:var(--mu);font-size:13px}footer a{margin-right:14px}
#k{position:fixed;inset:0;background:#0006;display:none;align-items:flex-start;justify-content:center;padding-top:12vh;z-index:20}#k.on{display:flex}#k .m{background:#fff;width:600px;max-width:92vw;border-radius:14px;overflow:hidden;box-shadow:0 20px 60px #0004}
#k input{width:100%;border:0;border-bottom:1px solid var(--bd);padding:16px;font:inherit;font-size:17px;outline:0}#k ul{list-style:none;margin:0;padding:6px;max-height:50vh;overflow:auto}#k li a{display:block;padding:9px 12px;border-radius:8px}#k li a:hover,#k li.sel a{background:var(--acs)}#k small{color:var(--mu);margin-left:6px}
input,textarea,select{font:inherit}.form label{display:block;margin:12px 0 4px;font-size:13px;color:var(--mu)}.form input,.form textarea,.form select{width:100%;border:1px solid var(--bd);border-radius:8px;padding:9px}
@media(max-width:820px){.detail{grid-template-columns:1fr}.tiers{grid-template-columns:1fr}nav{display:none}.hero h1{font-size:32px}}.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit}.thumb .ty,.thumb .play{z-index:2}.thumb.demo{overflow:hidden;cursor:pointer;display:flex;background:#111}.dplay{position:relative;z-index:2;background:rgba(17,17,20,.78);color:#fff;border-radius:999px;padding:10px 18px;font-size:15px}.thumb.demo:hover .dplay{background:var(--ac)}.demo-frame{aspect-ratio:16/9;width:100%;border:0;border-radius:12px;margin-top:16px;display:block}.dcredit{font-size:13px;color:var(--mu);margin-top:6px}.dcredit a{color:var(--ac)}.dcredit.sm{font-size:12px;margin:4px 0 6px}.dflag{background:#fff3e0;color:#9a5b00;border-radius:999px;padding:1px 7px;font-size:11px}.xembed{margin-top:16px;min-height:200px}.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}.formmsg{margin-top:8px;font-size:13px}.cover{margin:0}.covercap{font-size:12px;color:var(--mu);margin-top:6px}.nlissue h2{font-size:18px;margin-top:28px}.nlissue li{margin:8px 0}.nlissue a{color:var(--ac)}