body{min-height:100vh}
.hbar{display:flex;align-items:center;gap:10px;padding:14px clamp(14px,4vw,40px);position:sticky;top:0;background:rgba(11,13,16,.85);backdrop-filter:blur(8px);z-index:5;border-bottom:1px solid #1a2230}
.grow{flex:1}
#sparks{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
main{max-width:1120px;margin:0 auto;padding:0 clamp(14px,4vw,40px)}
.hero{position:relative;padding:clamp(40px,9vw,90px) 0 40px;overflow:hidden}
#bg{position:absolute;inset:0;width:100%;height:100%;opacity:.55;pointer-events:none}
.hero-in{position:relative;max-width:900px}
.eyebrow{color:var(--cyan);letter-spacing:.24em;font-size:12px;font-weight:700;margin:0 0 12px}
h1{font-size:clamp(36px,6.4vw,66px);line-height:1.02;margin:0 0 16px;letter-spacing:-.02em}
h1 span{background:linear-gradient(90deg,#1e5bff,#00e5ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(16px,2.2vw,19px);color:#c3d3ea;max-width:560px;line-height:1.5;margin:0 0 26px}
.qs{background:#10151d;border:1px solid var(--line);border-radius:16px;padding:16px;max-width:620px}
.qs label{display:block;font-weight:700;margin-bottom:10px}
.qsrow{display:flex;gap:8px}
.qsrow .txt{flex:1;padding:12px 14px;font-size:15px}
.qs small,.open small{display:block;color:var(--mute);margin-top:8px;font-size:12px}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:10px 0 50px}
.big{display:flex;flex-direction:column;gap:6px;padding:22px;border-radius:18px;border:1px solid var(--line);background:linear-gradient(180deg,#141b26,#10151d);color:var(--white);text-decoration:none;transition:transform .15s,border-color .15s;min-height:170px}
.big:hover{transform:translateY(-3px);border-color:var(--cyan)}
.big .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:22px;font-weight:700;background:#0f2430;color:var(--cyan);margin-bottom:8px}
.big.create .ico{background:var(--blue);color:#fff}
.big b{font-size:20px}
.big span:last-child{color:var(--mute);font-size:14px;line-height:1.45}
h2{font-size:22px;margin:0 0 14px}
.tcards4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:50px}
.tcards4 .tcard{text-decoration:none}
.mymaps{margin-bottom:60px}
.mmhead{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.dim{color:var(--mute);font-size:13px}
#mmList{display:grid;gap:10px;margin:8px 0 24px}
.mm{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#10151d;flex-wrap:wrap}
.mm .nm{flex:1;min-width:160px}
.mm .nm b{display:block;font-size:16px}
.mm .nm span{font-size:12px;color:var(--mute)}
.mm .acts{display:flex;gap:6px;flex-wrap:wrap}
.empty{padding:20px;border:1px dashed var(--line);border-radius:14px;color:var(--mute);text-align:center}
.open h3{font-size:16px;margin:0 0 10px}
footer{border-top:1px solid #1a2230;padding:24px clamp(14px,4vw,40px);color:var(--mute);font-size:13px;text-align:center}
@media (max-width:860px){.three{grid-template-columns:1fr}.tcards4{grid-template-columns:repeat(2,1fr)}.big{min-height:0}}
@media (max-width:520px){.qsrow{flex-direction:column}.demo-note{display:none}.tcards4{grid-template-columns:1fr 1fr;gap:8px}.tcard span{display:none}}
.mmthumb{width:120px;height:75px;border-radius:10px;object-fit:cover;border:1px solid var(--line);background:linear-gradient(135deg,#132033,#0b1220);flex:none}
@media(max-width:480px){.mmthumb{width:96px;height:60px}}