:root{
  --primary:#377DFF;
  --secondary:#00C2FF;
  --bg:#f6f9ff;
  --surface:#fff;
  --surface-soft:#eef4ff;
  --text:#101a2e;
  --text-2:#5a6a85;
  --text-3:#8b99b1;
  --line:#e4ebf7;
  --shadow:0 18px 55px rgba(23,58,120,.09);
}
html.dark{
  --bg:#0a1120;
  --surface:#111a2e;
  --surface-soft:#16213a;
  --text:#eef4ff;
  --text-2:#9fb0ca;
  --text-3:#6f81a0;
  --line:rgba(255,255,255,.08);
  --shadow:0 18px 55px rgba(0,0,0,.32);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--text);
  background:var(--bg);
  font-family:Inter,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  transition:background .3s ease,color .3s ease;
}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}
.topbar{
  background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.gradient-text{color:var(--primary)}
html.dark .gradient-text{color:#6fa4ff}
.gradient-bg{background:var(--primary)}
.pill{
  border:1px solid rgba(55,125,255,.2);
  background:rgba(55,125,255,.08);
  color:#1d5fd6;
}
html.dark .pill{color:#8fc0ff}
.btn-primary{
  color:#fff;background:var(--primary);
  box-shadow:0 10px 24px rgba(55,125,255,.28);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-primary:hover{
  transform:translateY(-2px);background:#2c6ef0;
  box-shadow:0 16px 30px rgba(55,125,255,.32);
}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-secondary:hover{transform:translateY(-2px)}
.glass{
  background:color-mix(in srgb,var(--surface) 88%,transparent);
  border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(18px);
}
.hero{position:relative;overflow:hidden}
.hero-grid{
  position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:
    linear-gradient(rgba(55,125,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(55,125,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(to bottom,black,transparent);
}
.blob{position:absolute;border-radius:999px;filter:blur(60px);pointer-events:none}
.blob-a{width:360px;height:360px;background:rgba(55,125,255,.10);left:-130px;top:20px}
.blob-b{width:320px;height:320px;background:rgba(55,125,255,.08);right:-100px;top:140px}
.editor-shell{
  border-radius:28px;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);box-shadow:0 30px 80px rgba(23,58,120,.16);
}
.editor-top{
  height:54px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:7px;padding:0 18px;
}
.window-dot{width:9px;height:9px;border-radius:50%}
.editor-body{display:grid;grid-template-columns:225px 1fr;min-height:490px}
.editor-side{border-right:1px solid var(--line);padding:18px;background:var(--surface-soft)}
.side-title{
  font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  color:var(--text-3);margin-bottom:12px
}
.template-btn{
  width:100%;text-align:left;border:1px solid transparent;background:transparent;
  border-radius:12px;padding:11px 12px;margin-bottom:6px;color:var(--text-2);
  font-size:13px;transition:.2s ease;
}
.template-btn:hover,.template-btn.active{
  color:var(--text);background:var(--surface);border-color:var(--line);
  box-shadow:0 7px 18px rgba(23,58,120,.07)
}
.template-btn.active{color:#1d63db}
html.dark .template-btn.active{color:#8fc0ff}
.editor-main{padding:28px;display:flex;flex-direction:column}
.editor-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tool-chip{
  padding:7px 10px;border:1px solid var(--line);background:var(--surface-soft);
  border-radius:9px;color:var(--text-2);font-size:12px
}
.prompt-area{
  min-height:118px;resize:vertical;border:1px solid var(--line);background:var(--surface-soft);
  border-radius:16px;color:var(--text);outline:none;padding:15px;line-height:1.65;width:100%;
  font-family:ui-monospace,SFMono-Regular,Consolas,"Courier New",monospace;font-size:13px
}
.prompt-area:focus{
  border-color:rgba(55,125,255,.45);box-shadow:0 0 0 4px rgba(55,125,255,.1)
}
.result-panel{
  margin-top:16px;border-radius:18px;border:1px solid rgba(55,125,255,.16);
  background:var(--surface-soft);
  padding:18px;min-height:175px
}
.result-text{
  color:var(--text-2);line-height:1.8;font-size:12.5px;white-space:pre-wrap;
  font-family:ui-monospace,SFMono-Regular,Consolas,"Courier New",monospace
}
.feature-card,.integration-card,.price-card{
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s ease
}
.feature-card:hover,.integration-card:hover,.price-card:hover{
  transform:translateY(-7px);box-shadow:0 24px 65px rgba(23,58,120,.14)
}
.icon-box{
  width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--primary);
  background:rgba(55,125,255,.10)
}
html.dark .icon-box{color:#6fa4ff}
.case-screen{
  background:var(--surface-soft);
  border:1px solid var(--line);min-height:195px;border-radius:18px;padding:18px
}
.mini-line{height:9px;border-radius:99px;background:rgba(90,106,133,.16);margin-bottom:10px}
.mini-line.w70{width:70%}.mini-line.w48{width:48%}
.mini-block{
  min-height:76px;border-radius:14px;background:var(--surface);border:1px solid var(--line)
}
.logo-tile{
  width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  font-weight:900;color:white;font-size:13px;box-shadow:0 9px 20px rgba(55,125,255,.18)
}
.logo-mark{height:44px;width:auto;flex:none;display:block}
.price-card.recommended{
  border-color:rgba(55,125,255,.35);box-shadow:0 25px 70px rgba(55,125,255,.15);position:relative
}
.popular{
  position:absolute;top:18px;right:18px;font-size:11px;font-weight:800;color:#fff;
  padding:6px 9px;border-radius:99px;background:var(--primary)
}
.reveal{
  opacity:0;transform:translateY(24px);
  transition:opacity .75s ease,transform .75s cubic-bezier(.2,.8,.2,1)
}
.reveal.show{opacity:1;transform:none}
.fade-right{
  opacity:0;transform:translateX(-22px);
  transition:opacity .75s ease,transform .75s ease
}
.fade-right.show{opacity:1;transform:none}
.stat-num{font-variant-numeric:tabular-nums}
/* 紧凑区块间距 */
.section{padding-top:64px;padding-bottom:64px}
.cta-band{
  background:var(--surface-soft);border:1px solid var(--line)
}
@media(max-width:900px){
  .editor-body{grid-template-columns:1fr}
  .editor-side{display:none}
}
@media(max-width:768px){
  .wrap{width:min(100% - 28px,1180px)}
  .hero{padding-top:56px}
  .editor-main{padding:18px}
  .section{padding-top:48px;padding-bottom:48px}
}