:root{
  --bg:#07111f;--panel:rgba(13,26,44,.78);--panel2:rgba(17,35,57,.72);
  --line:rgba(151,181,214,.15);--ink:#eef6ff;--muted:#8fa7c2;--cyan:#31e0c1;
  --blue:#4f8cff;--violet:#8b7dff;--danger:#ff6b81;--warn:#ffc66d;
  --shadow:0 24px 80px rgba(0,0,0,.35);--radius:22px;
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{
  margin:0;background:radial-gradient(circle at 15% 10%,#102d46,transparent 32%),
  radial-gradient(circle at 85% 80%,#31205a,transparent 35%),var(--bg);
  color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;
  overflow-x:hidden;
}
button,input,textarea,select{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
.ambient{position:fixed;border-radius:50%;filter:blur(70px);opacity:.28;pointer-events:none;animation:float 12s ease-in-out infinite}
.a1{width:380px;height:380px;background:#1e88ff;left:-120px;top:8%}
.a2{width:420px;height:420px;background:#9b5cff;right:-160px;bottom:-100px;animation-delay:-4s}
.a3{width:240px;height:240px;background:#2ee6bd;left:45%;top:60%;animation-delay:-7s}
@keyframes float{50%{transform:translate3d(30px,-24px,0) scale(1.08)}}
.toast{position:fixed;z-index:50;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;pointer-events:none;
  background:#eaf7ff;color:#102136;padding:12px 18px;border-radius:12px;box-shadow:var(--shadow);transition:.25s}
.toast.show{opacity:1;transform:translate(-50%,0)}
.auth-screen{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(360px,.8fr);gap:5vw;align-items:center;padding:7vh 7vw;position:relative;z-index:1}
.brand-lockup{display:flex;gap:14px;align-items:center}
.brand-mark{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-weight:900;color:#06101d;
  background:linear-gradient(135deg,var(--cyan),#73b6ff);box-shadow:0 10px 30px rgba(49,224,193,.25)}
.brand-lockup b{display:block;font-size:25px;letter-spacing:.5px}.brand-lockup small{display:block;color:var(--muted);font-size:10px;letter-spacing:2px;margin-top:3px}
.brand-lockup.compact b{font-size:20px}.brand-lockup.compact .brand-mark{width:38px;height:38px;border-radius:12px}
.hero-copy{margin-top:9vh;max-width:780px}
.eyebrow,.auth-card span,.view-kicker,.panel-head span,.metric span,.download-card>span,.accent-panel>span{
  font-size:11px;letter-spacing:1.6px;color:var(--cyan);font-weight:700
}
.hero-copy h1{font-size:clamp(38px,5vw,76px);line-height:1.05;margin:18px 0 24px;letter-spacing:-2px}
.hero-copy p{max-width:650px;color:var(--muted);font-size:16px;line-height:1.8}
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:8vh;max-width:850px}
.feature-strip div{padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(12,27,46,.52);backdrop-filter:blur(12px)}
.feature-strip b{display:block;margin-bottom:7px}.feature-strip span{color:var(--muted);font-size:12px;line-height:1.5}
.auth-card,.panel,.metric{border:1px solid var(--line);background:linear-gradient(150deg,var(--panel),rgba(8,17,30,.88));box-shadow:var(--shadow);backdrop-filter:blur(22px)}
.auth-card{border-radius:28px;padding:26px;max-width:500px;justify-self:end;width:100%}
.auth-tabs{display:flex;background:#081525;padding:5px;border-radius:12px;margin-bottom:25px}
.auth-tabs button{flex:1;border:0;background:transparent;color:var(--muted);padding:10px;border-radius:9px;cursor:pointer}
.auth-tabs button.active{background:#162b48;color:var(--ink);box-shadow:0 8px 24px rgba(0,0,0,.18)}
.auth-form h2{font-size:30px;margin:8px 0 8px}.auth-form>p{color:var(--muted);margin:0 0 24px}
label{display:block;font-size:12px;color:var(--muted);margin:14px 0}
input,textarea,select{
  width:100%;margin-top:8px;border:1px solid var(--line);border-radius:12px;background:#081525;
  color:var(--ink);padding:12px 13px;outline:none;transition:.2s
}
input:focus,textarea:focus,select:focus{border-color:rgba(49,224,193,.6);box-shadow:0 0 0 3px rgba(49,224,193,.08)}
textarea{resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:11px;
  background:rgba(20,40,64,.75);color:var(--ink);padding:10px 15px;text-decoration:none;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px);border-color:rgba(49,224,193,.46)}
.btn.primary{background:linear-gradient(135deg,var(--cyan),#53a8ff);color:#06111d;border:0;font-weight:800}
.btn.danger{color:#ffd7dd;background:rgba(91,24,39,.55);border-color:rgba(255,107,129,.25)}
.btn.wide{width:100%}
.app-shell{min-height:100vh;display:grid;grid-template-columns:250px minmax(0,1fr);position:relative;z-index:1}
.sidebar{padding:28px 20px;border-right:1px solid var(--line);background:rgba(5,14,25,.62);backdrop-filter:blur(24px);display:flex;flex-direction:column}
#side-nav{display:flex;flex-direction:column;gap:6px;margin-top:42px}
.nav{border:0;background:transparent;text-align:left;color:var(--muted);padding:12px 14px;border-radius:11px;cursor:pointer}
.nav:hover{color:var(--ink);background:rgba(255,255,255,.04)}.nav.active{background:linear-gradient(90deg,rgba(49,224,193,.2),rgba(79,140,255,.08));color:var(--ink);border-left:2px solid var(--cyan)}
.account-box{margin-top:auto;display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:10px;padding:12px;border:1px solid var(--line);border-radius:15px;background:rgba(10,25,43,.7)}
.avatar{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#315d95,#6d58c8);font-weight:800}
.account-box b,.account-box small{display:block;max-width:100px;overflow:hidden;text-overflow:ellipsis}.account-box small{font-size:10px;color:var(--muted);margin-top:3px}
.account-box button{border:0;background:transparent;color:var(--muted);cursor:pointer}
.workspace{padding:28px 34px 60px;max-width:1600px;width:100%}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.topbar h1{font-size:30px;margin:6px 0 0}.topbar>div>span{font-size:10px;color:var(--cyan);letter-spacing:2px}
.pill{padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(16,36,58,.68);font-size:12px}
.view{display:none;animation:in .35s ease}.view.active{display:block}@keyframes in{from{opacity:0;transform:translateY(8px)}}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.metric{border-radius:var(--radius);padding:20px}.metric b{display:block;font-size:25px;margin:12px 0 6px}.metric small{color:var(--muted)}
.two-col{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:16px;margin-top:16px}
.panel{border-radius:var(--radius);padding:22px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.panel h2{font-size:20px;margin:6px 0}
.steps{margin:0;padding:0 0 0 18px;color:var(--muted);line-height:1.8}.steps b{color:var(--ink);margin-right:8px}
.accent-panel{background:linear-gradient(145deg,rgba(50,129,143,.38),rgba(69,52,128,.38));display:flex;flex-direction:column;justify-content:center}
.accent-panel h2{font-size:28px}.accent-panel p{color:#b9cce0;line-height:1.8}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.plan-card{padding:24px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(150deg,rgba(17,38,63,.92),rgba(8,17,30,.92));box-shadow:var(--shadow)}
.plan-card h3{font-size:25px;margin:0 0 8px}.plan-price{font-size:38px;font-weight:900;margin:20px 0}.plan-price small{font-size:13px;color:var(--muted);font-weight:400}
.plan-card p{min-height:48px;color:var(--muted);line-height:1.6}.plan-card .btn{width:100%;margin-top:18px}
.notice{margin-top:16px;border:1px solid rgba(255,198,109,.22);background:rgba(86,58,22,.22);padding:14px 16px;border-radius:14px;color:#dcc69e}
.narrow-panel{max-width:680px}.narrow-panel p{color:var(--muted)}
.stack-form{display:flex;flex-direction:column;gap:10px}
.order-list,.data-list{display:flex;flex-direction:column;gap:9px}
.data-row{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;align-items:center;padding:12px 14px;background:rgba(8,20,35,.68);border:1px solid var(--line);border-radius:12px;font-size:12px}
.data-row b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.data-row small{color:var(--muted)}
.data-row .actions{display:flex;gap:6px;flex-wrap:wrap}
.compact-list .data-row{grid-template-columns:repeat(4,minmax(0,1fr))}
.status{padding:4px 8px;border-radius:999px;font-size:10px;text-transform:uppercase;background:rgba(79,140,255,.14);color:#a9c8ff}
.status.paid,.status.active,.status.used{background:rgba(49,224,193,.12);color:#80f4dc}
.status.pending{background:rgba(255,198,109,.12);color:#ffd897}
.status.disabled,.status.cancelled{background:rgba(255,107,129,.12);color:#ffabb8}
.download-card{max-width:900px}.download-card h2{font-size:34px}.download-card p{color:var(--muted)}
.download-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}.download-meta div{padding:15px;border:1px solid var(--line);border-radius:14px}.download-meta b,.download-meta span{display:block}.download-meta span{font-size:11px;color:var(--muted);margin-top:5px}
.admin-tabs{display:flex;gap:7px;margin:18px 0}.admin-tabs button{border:1px solid var(--line);background:rgba(11,27,46,.75);color:var(--muted);padding:9px 13px;border-radius:10px;cursor:pointer}
.admin-tabs button.active{color:var(--ink);border-color:rgba(49,224,193,.45)}
.admin-pane{display:none}.admin-pane.active{display:block}
.admin-view textarea{margin-top:14px}
@media(max-width:1000px){.auth-screen{grid-template-columns:1fr;padding:36px 20px}.auth-card{justify-self:stretch;max-width:none}.hero-copy{margin-top:46px}.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:5;padding:12px;flex-direction:row;align-items:center;gap:12px;overflow:auto}.brand-lockup.compact small{display:none}#side-nav{flex-direction:row;margin:0}.account-box{margin:0 0 0 auto}.workspace{padding:20px 14px 50px}.metric-grid{grid-template-columns:repeat(2,1fr)}.two-col,.plan-grid{grid-template-columns:1fr}}
@media(max-width:640px){.feature-strip,.download-meta{grid-template-columns:1fr}.metric-grid{grid-template-columns:1fr}.sidebar .brand-lockup{display:none}.account-box div{display:none}.data-row,.compact-list .data-row{grid-template-columns:1fr 1fr}.auth-card{padding:20px}.hero-copy h1{font-size:40px}}

/* Public website */
.site-body{min-height:100vh}.site-nav{height:78px;padding:0 7vw;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:2;border-bottom:1px solid var(--line)}
.site-nav nav{display:flex;align-items:center;gap:24px}.site-nav nav a{color:var(--muted);text-decoration:none;font-size:13px}.site-nav nav a:hover{color:var(--ink)}.site-nav .brand-lockup{text-decoration:none;color:var(--ink)}
.site-main{padding:0 7vw;position:relative;z-index:1}.site-hero{min-height:calc(100vh - 78px);display:grid;grid-template-columns:minmax(0,1fr) minmax(430px,.85fr);gap:5vw;align-items:center;padding:8vh 0}
.site-hero h1{font-size:clamp(48px,7vw,96px);line-height:.98;letter-spacing:-4px;margin:22px 0 28px}.site-hero p{font-size:17px;line-height:1.9;color:var(--muted);max-width:680px}
.hero-actions{display:flex;gap:10px;margin-top:34px}.btn.large{padding:14px 21px;border-radius:13px}.mini-trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;color:#94abc2;font-size:12px}.mini-trust span::before{content:"·";color:var(--cyan);margin-right:7px}
.product-window{border:1px solid rgba(160,196,226,.22);border-radius:26px;overflow:hidden;background:rgba(8,19,34,.78);box-shadow:0 40px 120px rgba(0,0,0,.52);transform:rotate(-1deg)}
.window-bar{height:44px;display:flex;align-items:center;gap:7px;padding:0 16px;background:rgba(255,255,255,.035);border-bottom:1px solid var(--line)}.window-bar i{width:9px;height:9px;border-radius:50%;background:#ff6b74}.window-bar i:nth-child(2){background:#ffc460}.window-bar i:nth-child(3){background:#37dcb4}.window-bar span{margin-left:12px;color:#6d849e;font-size:11px}
.window-body{display:grid;grid-template-columns:150px 1fr;min-height:390px}.window-body aside{padding:20px 14px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:11px;color:#6f88a2;font-size:11px}.window-body aside b{color:var(--ink);margin-bottom:12px}
.preview-content{padding:40px}.preview-content>span{font-size:10px;letter-spacing:2px;color:var(--cyan)}.preview-content h3{font-size:29px;line-height:1.25;max-width:350px}.preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:34px}.preview-grid div{padding:15px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.025)}.preview-grid b,.preview-grid small{display:block}.preview-grid small{color:var(--muted);margin-top:5px;font-size:10px}
.site-section{padding:110px 0;border-top:1px solid var(--line)}.site-section h2{font-size:clamp(34px,4vw,56px);letter-spacing:-2px;margin:15px 0 40px;max-width:780px}
.feature-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature-cards article{padding:26px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(17,37,61,.72),rgba(8,18,31,.82))}.feature-cards b{font-size:18px}.feature-cards p{color:var(--muted);line-height:1.7;font-size:13px}
.guide-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,.8fr);gap:8vw;align-items:center}.guide-section p{color:var(--muted);line-height:1.9}.guide-list{display:flex;flex-direction:column;gap:10px}.guide-list div{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:18px;border-radius:15px;background:rgba(255,255,255,.035);border:1px solid var(--line)}.guide-list b{color:var(--cyan)}.guide-list span{color:#a5bad0}
.site-note{color:var(--muted);margin-top:18px}.download-band{margin:60px 0 100px;padding:50px;border-radius:28px;border:1px solid rgba(49,224,193,.25);background:linear-gradient(135deg,rgba(29,108,114,.35),rgba(65,49,126,.38));display:flex;align-items:center;justify-content:space-between;gap:30px}.download-band h2{font-size:42px;margin:10px 0}.download-band p{color:#adc1d5;max-width:720px;line-height:1.7}
.site-footer{padding:28px 7vw;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#6e87a0;font-size:12px}
@media(max-width:1000px){.site-nav nav a:not(.btn){display:none}.site-hero{grid-template-columns:1fr;padding-top:60px}.product-window{transform:none}.feature-cards{grid-template-columns:1fr 1fr}.guide-section{grid-template-columns:1fr}.download-band{flex-direction:column;align-items:flex-start}.site-footer{flex-direction:column;gap:8px}}
@media(max-width:640px){.site-nav{padding:0 20px}.site-main{padding:0 20px}.site-hero h1{font-size:50px;letter-spacing:-2px}.feature-cards{grid-template-columns:1fr}.window-body{grid-template-columns:1fr}.window-body aside{display:none}.preview-content{padding:24px}.download-band{padding:28px}.site-footer{padding:24px 20px}}