:root{
  --bg:#0b1020; --card:#131b38; --accent:#5b8cff; --accent2:#36d6a0;
  --text:#eaf0ff; --muted:#9fb0d6;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(1200px 600px at 70% -10%,#1b2a5e 0%,var(--bg) 60%);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 6vw;position:sticky;top:0;backdrop-filter:blur(10px);background:rgba(11,16,32,.6);z-index:10}
.brand{font-weight:800;font-size:22px;letter-spacing:.5px}.brand span{color:var(--accent)}
.nav nav{display:flex;gap:22px;align-items:center}
.nav a{color:var(--muted);font-size:15px}
.nav a.cta{background:var(--accent);color:#fff;padding:8px 16px;border-radius:999px}

.hero{padding:9vh 6vw 7vh;text-align:center}
.hero-inner{max-width:820px;margin:0 auto}
.badge{display:inline-block;padding:6px 14px;border:1px solid rgba(91,140,255,.4);color:var(--accent);border-radius:999px;font-size:13px;margin-bottom:18px}
.hero h1{font-size:clamp(34px,6vw,60px);line-height:1.15;font-weight:800;background:linear-gradient(90deg,#fff,#9db4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{margin:20px auto 28px;max-width:640px;color:var(--muted);font-size:18px}
.hl{color:var(--accent2);font-weight:600}
.btn-primary{display:inline-block;background:linear-gradient(90deg,var(--accent),#7aa0ff);color:#fff;padding:14px 30px;border:none;border-radius:999px;font-size:17px;font-weight:700;cursor:pointer;transition:.2s;box-shadow:0 8px 30px rgba(91,140,255,.4)}
.btn-primary:hover{transform:translateY(-2px);opacity:.95}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.trust{margin-top:18px;color:var(--muted);font-size:13px}

.features{max-width:1100px;margin:0 auto;padding:20px 6vw 40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.feat{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:22px}
.feat .ico{font-size:30px}.feat h3{margin:10px 0 6px;font-size:18px}.feat p{color:var(--muted);font-size:14px}

.experience{max-width:760px;margin:30px auto;padding:20px 6vw 60px}
.experience h2{text-align:center;font-size:clamp(24px,4vw,34px);margin-bottom:24px}
.card{background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:28px}
#expForm label{display:block;color:var(--muted);font-size:14px;margin:14px 0 6px}
#expForm input{width:100%;padding:13px 15px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:#0c1326;color:#fff;font-size:16px}
#expForm input:focus{outline:none;border-color:var(--accent)}
.note{color:var(--muted);font-size:12px;margin-top:12px}
.loading{text-align:center;padding:30px 0}
.spinner{width:42px;height:42px;border:4px solid rgba(91,140,255,.2);border-top-color:var(--accent);border-radius:50%;margin:0 auto 14px;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.hidden{display:none!important}

.report{margin-top:24px;background:#0c1326;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:22px}
.rep-head{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.gauge{width:120px;height:120px;border-radius:50%;border:6px solid var(--accent2);display:flex;flex-direction:column;align-items:center;justify-content:center;flex:0 0 auto;background:#0c1326}
.gauge .num{font-size:38px;font-weight:800;color:var(--accent2)}
.gauge .lab{font-size:11px;color:var(--muted);text-align:center;padding:0 6px}
.rep-meta{flex:1;min-width:200px}
.rep-meta .site{color:var(--accent);font-size:14px;word-break:break-all}
.rep-meta .sum{font-size:18px;font-weight:600;margin-top:4px}
.aiv{margin-top:16px;color:var(--muted);background:#0a1124;border-left:3px solid var(--accent);padding:10px 14px;border-radius:8px;font-size:14px}
.rep-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
.rep-block{margin-top:16px}
.rep-cols h4,.rep-block h4{font-size:15px;margin-bottom:8px}
.rep-cols ul,.rep-block ul{list-style:none}
.rep-cols li,.rep-block li{padding:6px 0 6px 18px;position:relative;color:#dce6ff;font-size:14px;border-bottom:1px solid rgba(255,255,255,.05)}
.rep-cols li:before,.rep-block li:before{content:"•";position:absolute;left:0;color:var(--accent)}
.open-cta{text-align:center;margin-top:24px}

.foot{text-align:center;color:var(--muted);font-size:13px;padding:30px 6vw;border-top:1px solid rgba(255,255,255,.06)}

.modal{position:fixed;inset:0;background:rgba(4,8,20,.82);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-box{background:var(--card);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:30px;max-width:420px;width:100%;text-align:center;position:relative}
.modal-box .close{position:absolute;right:14px;top:10px;background:none;border:none;color:var(--muted);font-size:26px;cursor:pointer}
.modal-box h3{margin-bottom:8px}
.modal-box p{color:var(--muted);font-size:14px;margin-bottom:14px}
.btn-feishu{display:inline-block;background:var(--accent2);color:#06231a;font-weight:800;padding:12px 22px;border-radius:12px;font-size:16px}
.qr-url{margin-top:10px;font-size:11px;color:var(--muted);word-break:break-all}
.bind-status{margin-top:16px;color:var(--muted);font-size:14px}
.bind-status.ok{color:var(--accent2);font-weight:700}
.countdown{margin-top:10px;color:var(--accent);font-weight:600;font-size:15px}
.btn-upgrade{display:inline-block;margin-top:18px;color:var(--accent);font-weight:700}

@media(max-width:600px){
  .rep-cols{grid-template-columns:1fr}
  .nav nav a:not(.cta){display:none}
}