:root{--bg:#F8F7FB;--bg-grad-a:rgba(124,118,214,.07);--bg-grad-b:rgba(210,206,255,.06);--text:#111827;--muted:#6b7280;--brand:#8B86E3;--brand-2:#DAD8FF;--brand-3:#7A74CF;--focus:#BDBAFF;--card:#ffffff;--border:#ECECFA;--shadow:0 8px 28px rgba(17,24,39,.06);--radius:18px;--plan-title:#333;--plan-sub:#666;--nav-blue:22,119,255;--nav-purple:106,17,203}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(135deg,var(--bg-grad-a),var(--bg-grad-b)),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
img{max-width:100%;display:block}
a{color:var(--brand-3);text-decoration:none}
header{position:sticky;top:0;z-index:10;background:linear-gradient(90deg,rgba(var(--nav-blue),0.4) 0%,rgba(var(--nav-purple),0.4) 100%);color:#fff;border-bottom:1px solid rgba(255,255,255,0.25);backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px)}
.wrap{max-width:1060px;margin:0 auto;padding:0 16px}
.nav{display:flex;align-items:center;gap:12px;padding:18px 0}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{width:32px;height:32px;border-radius:22%;object-fit:cover;box-shadow:0 0 0 3px rgba(255,255,255,.12)}
.brand-name{font-weight:800;font-size:18px;color:#fff}
.nav-spacer{flex:1}
.btn-link{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;font-weight:700;font-size:14px;white-space:nowrap;transition:.2s}
.btn-link.nav-ghost{border:1px solid rgba(255,255,255,.75);background:transparent;color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.btn-link.nav-ghost:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(0,0,0,.22)}
header .wrap{max-width:1000px}
.breadcrumb{font-size:13px;color:#7F829A;display:flex;flex-wrap:wrap;gap:6px;padding:10px 0 0}
.breadcrumb a{color:#7F829A}
.grid{display:grid;grid-template-columns:1fr;gap:18px;margin:14px 0 20px}
@media (min-width:960px){.grid{grid-template-columns:minmax(0,1.65fr) minmax(280px,0.85fr)}}
.hero{background:linear-gradient(0deg,#F4F3FF,#FDFDFF);border:1px solid var(--border);color:#2d2f44;border-radius:22px;padding:18px 16px;box-shadow:var(--shadow)}
.hero h1{font-size:20px;margin:0 0 6px;font-weight:900;letter-spacing:.2px}
.hero p{margin:0;color:#505472;line-height:1.7}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.cluster{display:grid;gap:14px}
.cluster h2{font-size:18px;margin:0 0 12px}
.field{margin:12px 0}
.label{display:block;font-size:14px;color:#3A3D54;margin-bottom:6px}
.input{width:100%;height:48px;border:1px solid #E4E6FB;border-radius:14px;padding:0 14px;font-size:15px;outline:none;background:#fff;transition:.2s}
.input:focus{border-color:var(--brand-3);box-shadow:0 0 0 3px var(--focus)}
.hint{font-size:12px;color:#7A7F9E;margin-top:8px}
.pay-methods{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pay-item{border:1px solid #E7E8FE;border-radius:14px;padding:12px;display:flex;align-items:center;gap:10px;cursor:pointer;background:#fff;transition:.2s}
.pay-item:hover{box-shadow:0 8px 16px rgba(110,103,245,.10)}
.pay-item input{accent-color:var(--brand-3);width:18px;height:18px}
.pay-icon{width:26px;height:26px;border-radius:6px;box-shadow:0 2px 6px rgba(110,103,245,.15);object-fit:cover}
#plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:8px}
@media (min-width:640px){#plans{grid-template-columns:repeat(3,minmax(0,1fr))}}
#plans .plan{position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:16px 12px;min-height:96px;border:1px solid #E9E9FF;border-radius:14px;background:#fff;transition:.25s;box-shadow:0 0 0 rgba(0,0,0,0);cursor:pointer;overflow:visible}
#plans .plan:hover{transform:translateY(-1px);box-shadow:0 8px 16px rgba(0,0,0,.06)}
#plans .plan[aria-pressed="true"]{border:2px solid var(--brand);box-shadow:0 0 0 4px rgba(139,134,227,.15)}
#plans .plan strong{display:block;font-size:18px;line-height:1.15;color:var(--plan-title);font-weight:800;letter-spacing:.2px}
#plans .plan small{display:block;font-size:13px;line-height:1.2;color:var(--plan-sub);margin-top:6px}
#plans .plan[data-badge]::after{content:attr(data-badge);position:absolute;top:5%;right:0;transform:translate(10%,-50%);padding:4px 10px;border-radius:999px;font-size:12px;font-weight:900;letter-spacing:.2px;background:#FFFFFF;color:#4B4BD3;border:1px solid #C9CCFF;box-shadow:0 2px 8px rgba(0,0,0,.06);z-index:1;pointer-events:none}
#plans .plan.custom{grid-column:1/-1;align-items:stretch;padding:14px}
.custom-input{margin-top:10px;background:#F7F7FF;border-radius:12px;padding:12px}
.custom-input input{width:100%;height:42px;border:1px solid #E4E6FB;border-radius:10px;padding:0 10px;font-size:15px;background:#fff;outline:none;transition:.2s}
.custom-input input:focus{border-color:var(--brand-3);box-shadow:0 0 0 3px var(--focus)}
.custom-input .hint{margin-top:8px;font-size:12px;color:#8A8FB2}
.btn{width:100%;height:50px;border:none;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:900;font-size:16px;box-shadow:0 10px 22px rgba(110,103,245,.20);cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px);box-shadow:0 14px 26px rgba(110,103,245,.26)}
.side-stack{display:grid;gap:14px}
.ticker{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px 14px;box-shadow:var(--shadow)}
.ticker-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 0 0 4px rgba(139,134,227,.12)}
.ticker-title{font-weight:900;color:#3A3D54;font-size:14px}
.ticker-body{height:28px;overflow:hidden;position:relative}
.ticker-list{list-style:none;margin:0;padding:0;position:absolute;left:0;right:0;top:0;animation:tickerMove 12s linear infinite}
.ticker-item{font-size:13px;color:#555a78;line-height:28px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}
.ticker:hover .ticker-list{animation-play-state:paused}
@keyframes tickerMove{0%{transform:translateY(0)}100%{transform:translateY(-100%)}}
.info-card{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:16px}
.info-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.info-dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 0 0 6px rgba(142,134,255,.12)}
.info-title{margin:0;font-size:16px}
.kv{margin:8px 0 0;color:#4b4f6d;line-height:1.8}
details{border:1px dashed #E8E8FF;border-radius:12px;padding:10px 12px;margin:10px 0;background:#FCFBFF}
details[open]{background:#fff;box-shadow:0 6px 14px rgba(0,0,0,.04)}
details summary{cursor:pointer;font-weight:800;color:#3A3D54}
details p{color:#555a78;margin:8px 0 0;font-size:13px}
footer{border-top:1px solid var(--border);background:#fff}
.footer-inner{padding:18px 0;font-size:13px;color:#7A7FA6}
.icp a{color:#7A7FA6}
.sr-only{position:absolute;width:1px;height:1px;clip:rect(1px,1px,1px,1px);overflow:hidden}