:root{--bg:#07111f;--card:#0d1b31;--muted:#91a4c2;--text:#eef6ff;--blue:#4ea1ff;--cyan:#39e0ff;--line:rgba(255,255,255,.12);--ok:#20d48a;--err:#ff5d6c;--violet:#8b5cf6;--radius:22px;--shadow:0 24px 80px rgba(0,0,0,.28)}
*{box-sizing:border-box;margin:0}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Microsoft YaHei",sans-serif;background:radial-gradient(ellipse at 20% -8%,#173f7a 0,#07111f 38%,#050914 100%);color:var(--text);min-height:100vh;line-height:1.6}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--cyan)}
img{max-width:100%}
.top{position:sticky;top:0;z-index:99;display:flex;align-items:center;justify-content:space-between;padding:16px 5vw;background:rgba(5,9,20,.82);backdrop-filter:blur(20px) saturate(1.4);border-bottom:1px solid var(--line)}
.brand{display:flex;gap:10px;align-items:center;font-size:15px}
.logo{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));font-weight:900;font-size:18px;color:#fff;box-shadow:0 4px 16px rgba(78,161,255,.35)}
.brand b{font-size:17px}
.brand small{color:var(--muted);margin-left:4px;font-size:12px}
.nav{display:flex;gap:16px;align-items:center;font-size:14px;font-weight:500}
.nav a{padding:6px 0;position:relative}
.nav a::after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--cyan);transition:width .25s}
.nav a:hover::after{width:100%}
.pill,.btn{border:1px solid var(--line);border-radius:999px;padding:10px 18px;background:rgba(255,255,255,.06);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;margin:4px}
.btn:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.primary{background:linear-gradient(135deg,#2b7bff,#37d5ff);border:0;color:#fff;font-weight:700;box-shadow:0 12px 36px rgba(52,151,255,.28)}
.primary:hover{box-shadow:0 16px 48px rgba(52,151,255,.4);transform:translateY(-2px)}
.btn.big{padding:16px 32px;font-size:16px}
main{max-width:1180px;margin:0 auto;padding:44px 22px 80px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;min-height:580px}
.eyebrow{display:inline-block;color:#9ddcff;border:1px solid rgba(80,180,255,.28);background:rgba(80,180,255,.08);padding:7px 14px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em}
.hero h1{font-size:clamp(36px,5.5vw,68px);line-height:1;margin:20px 0;background:linear-gradient(180deg,#fff 20%,#99c7ff 100%);-webkit-background-clip:text;color:transparent}
.hero p,.page-head p,.band p{color:var(--muted);font-size:17px;line-height:1.8}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.metrics{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.metrics span{padding:12px 16px;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:16px;font-size:13px}
.metrics b{display:block;color:#fff;font-size:14px;margin-bottom:2px}
.preview-card{padding:24px;min-height:400px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border-radius:var(--radius);box-shadow:var(--shadow)}
.card-head{display:flex;justify-content:space-between;color:#d9ebff;margin-bottom:18px}
.card-head em{color:#102b20;background:#62ffb2;border-radius:999px;padding:5px 12px;font-style:normal;font-weight:800;font-size:12px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}
.stat-grid div{padding:18px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.06)}
.stat-grid div small{color:var(--muted);font-size:12px}
.stat-grid div b{display:block;font-size:28px;margin-top:6px;background:linear-gradient(135deg,var(--cyan),var(--blue));-webkit-background-clip:text;color:transparent}
.chart{height:130px;display:flex;align-items:end;gap:12px;padding:18px;background:rgba(8,20,37,.8);border-radius:18px;margin-top:12px}
.chart i{flex:1;border-radius:999px 999px 6px 6px;background:linear-gradient(180deg,#58d7ff,#245bff);transition:height .6s cubic-bezier(.4,0,.2,1)}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:60px 0}
.features article{padding:28px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border-radius:var(--radius);transition:transform .2s,box-shadow .2s}
.features article:hover{transform:translateY(-4px);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.features article h3{font-size:17px;margin-bottom:10px;color:#fff}
.features article p{color:var(--muted);font-size:14px;line-height:1.7}
.case-section{margin:60px 0}
.section-title{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:22px}
.section-title h2{font-size:24px}
.section-title span,.section-title a{color:var(--muted);font-size:14px}
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.case-grid article{padding:24px;border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:var(--radius);transition:all .2s}
.case-grid article:hover{border-color:rgba(78,161,255,.3);background:rgba(78,161,255,.06)}
.case-grid article b{display:block;margin-bottom:8px;font-size:15px}
.case-grid article p{color:var(--muted);font-size:13px;line-height:1.7;margin-bottom:8px}
.case-grid article em{color:var(--cyan);font-size:12px;font-style:normal}
.page-head{text-align:center;margin-bottom:36px;padding:20px 0}
.page-head h1{font-size:clamp(24px,4vw,36px);margin:12px 0 8px;background:linear-gradient(180deg,#fff,#b8d8ff);-webkit-background-clip:text;color:transparent}
.page-head .eyebrow{font-size:11px}
.app-head{text-align:left}
.panel{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));border-radius:var(--radius);padding:24px;margin-bottom:18px}
.panel h2{font-size:18px;margin-bottom:16px}
.dash-grid{display:grid;gap:16px;margin-bottom:24px}
.dash-grid.four{grid-template-columns:repeat(4,1fr)}
.kpi{padding:22px;border-radius:20px;border:1px solid var(--line);background:rgba(255,255,255,.05)}
.kpi.accent{border-color:rgba(78,161,255,.3);background:linear-gradient(135deg,rgba(78,161,255,.12),rgba(57,224,255,.06))}
.kpi small{color:var(--muted);font-size:12px;display:block;margin-bottom:4px}
.kpi b{display:block;font-size:26px;margin-bottom:4px}
.kpi span{color:var(--muted);font-size:12px}
.action-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:28px}
.action-card{display:block;padding:20px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.04);transition:all .2s}
.action-card:hover{border-color:rgba(78,161,255,.3);transform:translateY(-2px);box-shadow:0 12px 40px rgba(0,0,0,.2)}
.action-card b{display:block;font-size:15px;margin-bottom:4px}
.action-card span{color:var(--muted);font-size:13px}
.primary-card{border-color:rgba(78,161,255,.3);background:linear-gradient(135deg,rgba(43,123,255,.15),rgba(55,213,255,.08))}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;color:var(--muted);font-weight:600;padding:10px 12px;border-bottom:1px solid var(--line)}
td{padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.05)}
tr:hover td{background:rgba(255,255,255,.03)}
.auth{display:flex;justify-content:center;align-items:center;min-height:60vh}
.auth .panel{width:100%;max-width:400px}
.auth h1{font-size:24px;margin-bottom:8px}
.auth p{color:var(--muted);margin-bottom:20px;font-size:14px}
label{display:block;margin-bottom:14px;font-size:13px;color:var(--muted);font-weight:500}
input,select,textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(0,0,0,.3);color:var(--text);font-size:14px;outline:none;transition:border-color .2s}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(78,161,255,.15)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2391a4c2'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .wide{grid-column:1/-1}
.form-grid button,.form-grid .btn{grid-column:1/-1}
.inline{display:flex;gap:10px;align-items:end;flex-wrap:wrap}
.inline input{flex:1;min-width:180px}
.flash{padding:14px 18px;border-radius:14px;margin-bottom:18px;font-size:14px;font-weight:500;animation:slideDown .3s}
.flash.ok{background:rgba(32,212,138,.12);border:1px solid rgba(32,212,138,.3);color:#6ee7b7}
.flash.err{background:rgba(255,93,108,.12);border:1px solid rgba(255,93,108,.3);color:#fca5a5}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-bottom:36px}
.plan{padding:28px;border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:var(--radius);transition:all .2s}
.plan:hover{transform:translateY(-3px);box-shadow:0 16px 50px rgba(0,0,0,.25)}
.plan.hot{border-color:rgba(78,161,255,.4);background:linear-gradient(160deg,rgba(43,123,255,.12),rgba(55,213,255,.06));position:relative}
.plan.hot::before{content:"推荐";position:absolute;top:16px;right:16px;background:linear-gradient(135deg,#2b7bff,#37d5ff);color:#fff;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:700}
.plan h3{font-size:18px;margin-bottom:8px}
.price{font-size:32px;font-weight:800;margin-bottom:12px;background:linear-gradient(135deg,var(--cyan),var(--blue));-webkit-background-clip:text;color:transparent}
.plan p{color:var(--muted);font-size:13px;margin-bottom:14px;line-height:1.6}
.plan ul{list-style:none;padding:0;margin-bottom:18px}
.plan ul li{padding:6px 0;font-size:13px;color:var(--muted);border-bottom:1px solid rgba(255,255,255,.04)}
.plan ul li::before{content:"\2713 ";color:var(--ok)}
.band{padding:32px;border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:var(--radius);margin:36px 0;text-align:center}
.band h2{margin-bottom:10px}
.process-rail{display:flex;gap:0;margin-bottom:28px;overflow-x:auto}
.process-rail div{flex:1;display:flex;align-items:center;gap:8px;padding:14px 18px;background:rgba(255,255,255,.04);border:1px solid var(--line);font-size:13px;color:var(--muted)}
.process-rail div:first-child{border-radius:14px 0 0 14px}
.process-rail div:last-child{border-radius:0 14px 14px 0}
.process-rail div.done{background:rgba(32,212,138,.08);border-color:rgba(32,212,138,.2);color:var(--ok)}
.process-rail b{width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.1);font-size:12px}
.process-rail .done b{background:var(--ok);color:#fff}
.calc-gate{text-align:center;padding:36px}
.calc-gate h2{margin-bottom:12px}
.calc-launch{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.muted{color:var(--muted);font-size:13px;margin-top:10px}
.list-cards{display:flex;flex-direction:column;gap:10px}
.row-card{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border:1px solid rgba(255,255,255,.06);border-radius:14px;background:rgba(255,255,255,.03);transition:all .15s}
.row-card:hover{background:rgba(255,255,255,.06);border-color:rgba(78,161,255,.2)}
.row-card b{display:block;font-size:14px;margin-bottom:2px}
.row-card span{color:var(--muted);font-size:12px}
.row-card em{color:var(--muted);font-size:11px;font-style:normal}
.row-actions{display:flex;gap:8px}
.row-actions .btn{padding:6px 12px;font-size:12px}
.template-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:28px}
.template-grid article{padding:20px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.04);transition:all .2s}
.template-grid article:hover{border-color:rgba(78,161,255,.25);transform:translateY(-2px)}
.template-grid article b{display:block;margin-bottom:6px;font-size:14px}
.template-grid article p{color:var(--muted);font-size:12px;line-height:1.6}
.mobile-tabbar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:99;background:rgba(5,9,20,.92);backdrop-filter:blur(16px);border-top:1px solid var(--line);padding:10px 0 max(10px,env(safe-area-inset-bottom));justify-content:space-around}
.mobile-tabbar a{display:flex;flex-direction:column;align-items:center;font-size:11px;color:var(--muted);padding:4px 8px;border-radius:8px;transition:color .2s}
.mobile-tabbar a:hover,.mobile-tabbar a.active{color:var(--cyan)}
footer{text-align:center;padding:32px 22px;color:var(--muted);font-size:13px;border-top:1px solid var(--line);margin-top:40px}
@media(max-width:900px){
.hero{grid-template-columns:1fr;gap:28px;min-height:auto;text-align:center}
.hero-actions{justify-content:center}
.metrics{justify-content:center}
.preview-card{display:none}
.features,.plans{grid-template-columns:1fr}
.dash-grid.four{grid-template-columns:1fr 1fr}
.two-col{grid-template-columns:1fr}
.form-grid{grid-template-columns:1fr}
.nav{display:none}
.mobile-tabbar{display:flex}
main{padding:24px 14px 100px}
.top{padding:12px 16px}
}
@media(max-width:480px){
.dash-grid.four{grid-template-columns:1fr}
.hero h1{font-size:28px}
.action-strip{grid-template-columns:1fr}
.process-rail{flex-direction:column}
.process-rail div{border-radius:10px!important}
}
[data-busy] button[type=submit]{position:relative;pointer-events:none;opacity:.7}
[data-busy] button[type=submit]::after{content:"";position:absolute;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;right:14px}
@keyframes spin{to{transform:rotate(360deg)}}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.25)}
.admin-grid{display:grid;grid-template-columns:220px 1fr;gap:18px}
.admin-nav{display:flex;flex-direction:column;gap:6px}
.admin-nav a{padding:10px 14px;border-radius:12px;font-size:14px;transition:background .15s}
.admin-nav a:hover,.admin-nav a.active{background:rgba(78,161,255,.12)}
.badge{display:inline-block;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:600}
.badge-admin{background:rgba(139,92,246,.2);color:#c4b5fd}
.badge-user{background:rgba(78,161,255,.15);color:#93c5fd}
.badge-active{background:rgba(32,212,138,.15);color:#6ee7b7}
.badge-disabled{background:rgba(255,93,108,.15);color:#fca5a5}

.nav a.active{color:var(--cyan)}
.nav a.active::after{width:100%}
.mobile-tabbar a span{display:block;margin-bottom:2px}


.wechat-btn{width:100%;background:linear-gradient(135deg,#18c867,#08a045);border:0;color:#fff;font-weight:800;box-shadow:0 12px 34px rgba(24,200,103,.24)}
.wechat-btn::before{content:"微信";display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.18);font-size:12px;margin-right:4px}
.auth-sep{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin:14px 0}
.auth-sep::before,.auth-sep::after{content:"";height:1px;background:var(--line);flex:1}