:root{--bg:#0b1020;--bg2:#0d1530;--card:rgba(255,255,255,.04);--card-border:rgba(255,255,255,.06);--muted:#A0A7C1;--text:#E9EDFF;--brand:#5B8CFF;--brand-2:#7AD1FF;--ok:#2ecc71;--warn:#f1c40f;--danger:#e74c3c}
html.theme-light{--bg:#f6f8ff;--bg2:#ffffff;--text:#0b1020;--muted:#48506b;--card:rgba(0,0,0,.035);--card-border:rgba(0,0,0,.08)}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 100%);color:var(--text);line-height:1.6}
a{text-decoration:none;color:inherit}
.container{max-width:1120px;margin:0 auto;padding:0 16px}
.site-header{display:flex;align-items:center;justify-content:space-between;padding:16px 0;position:sticky;top:0;background:rgba(11,16,32,.7);backdrop-filter:blur(8px);z-index:10;border-bottom:1px solid rgba(255,255,255,.06)}
html.theme-light .site-header{background:rgba(255,255,255,.75);border-bottom:1px solid var(--card-border)}
.logo{font-weight:700;letter-spacing:.3px;background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;font-size:20px}
.nav{display:flex;gap:16px}
.nav-link{padding:6px 10px;border-radius:8px;color:var(--muted)}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.btn{display:inline-block;background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#0b1020;padding:10px 16px;border-radius:10px;font-weight:600;box-shadow:0 8px 24px rgba(90,140,255,.25)}
.btn:hover{transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.14);padding:9px 14px;border-radius:10px;color:var(--text)}
.btn-lg{padding:14px 22px;font-size:18px}
.btn-danger{display:inline-block;background:linear-gradient(90deg,#ff6b6b,#ff9a9a);color:#0b1020;padding:10px 16px;border-radius:10px;font-weight:600}
.btn-ghost-danger{border:1px solid rgba(231,76,60,.8);color:#ff9a9a;padding:9px 14px;border-radius:10px}
.icon-btn{border:1px solid rgba(255,255,255,.14);background:transparent;color:var(--text);border-radius:999px;padding:8px 10px;cursor:pointer}
.icon-btn:hover{background:rgba(255,255,255,.06)}
.hero{padding:72px 0 32px;border-bottom:1px solid rgba(255,255,255,.06)}
.hero-content{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.hero h1{font-size:38px;line-height:1.2;margin:0}
.sub{color:var(--muted);margin:0}
.trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.trust-badge{border:1px solid rgba(255,255,255,.1);padding:6px 10px;border-radius:999px;color:var(--muted);font-size:13px}
.section{padding:56px 0}
.section-alt{background:radial-gradient(1200px 400px at 50% -10%,rgba(123,209,255,.12),transparent 60%)}
.section-title{font-size:28px;margin:0 0 24px 0}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.card{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:18px}
.card h3{margin:8px 0 8px 0}
.icon{font-size:20px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.steps li{display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:16px}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#0b1020;font-weight:700}
.select-grid{margin-top:8px}
.select-card{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:14px;cursor:pointer;color:var(--text);text-align:left}
.select-card:hover{border-color:rgba(255,255,255,.2)}
.hint{color:var(--muted);margin-top:8px}
.price{display:flex;flex-direction:column;align-items:center;gap:16px}
.price-card{display:flex;flex-direction:column;gap:12px;align-items:center;background:var(--card);border:1px solid var(--card-border);border-radius:16px;padding:20px;max-width:420px}
.amount{font-size:42px;font-weight:700}
.note{color:var(--muted)}
.muted{color:var(--muted)}
.faq details{background:var(--card);border:1px solid var(--card-border);border-radius:12px;padding:14px}
.faq details+details{margin-top:10px}
.site-footer{border-top:1px solid rgba(255,255,255,.06);margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px;padding:22px 16px}
.link-list{list-style:none;margin:8px 0 0 0;padding:0}
.link-list a{color:var(--text)}
.text-link{color:var(--text)}
.disclaimer{border-top:1px solid var(--card-border);padding:16px;color:var(--muted);font-size:13px;background:rgba(0,0,0,.12)}
html.theme-light .disclaimer{background:rgba(255,255,255,.7)}
.table-wrap{overflow-x:auto}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.badge{display:inline-block;padding:3px 8px;border-radius:999px;font-size:12px;font-weight:600}
.badge.draft{background:rgba(255,255,255,.08);color:#E9EDFF}
.badge.pending{background:linear-gradient(90deg,#f1c40f33,#f39c1233);color:#f1c40f}
.badge.paid{background:linear-gradient(90deg,#2ecc7133,#27ae6033);color:#2ecc71}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.72);display:flex;align-items:center;justify-content:center;z-index:1000}
.modal-card{background:rgba(12,18,40,.96);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:20px;width:100%;max-width:560px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
html.theme-light .modal-card{background:#ffffffcc;border:1px solid var(--card-border);color:#0b1020}

/* Theme toggle */
.theme-toggle{display:flex;gap:8px;align-items:center;margin-right:8px}
.theme-toggle .toggle{position:relative;width:46px;height:24px;display:inline-block}
.theme-toggle .toggle input{display:none}
.theme-toggle .track{position:absolute;inset:0;background:rgba(255,255,255,.2);border:1px solid var(--card-border);border-radius:999px}
.theme-toggle .thumb{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:left .2s}
.theme-toggle input:checked + .track .thumb{left:24px}
.theme-toggle .sun,.theme-toggle .moon{font-size:14px;color:var(--muted)}

@media (max-width: 960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-5{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:32px}
}

@media (max-width: 640px){
  .nav{display:none}
  .grid-4{grid-template-columns:1fr}
  .grid-5{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .hero h1{font-size:28px}
}