:root{
  --bg:#f9f9ff;--on:#151c27;--muted:#4c4546;--line:#cfc4c5;
  --green:#006e2f;--on-green:#fff;--paper:#fff;--card:#f9f9ff;
  --soft:#e7eefe;--shadow:0 4px 24px rgba(0,110,47,.08);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--on);font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif}
.pay{max-width:1280px;margin:0 auto;padding:20px 48px 40px;display:flex;flex-direction:column;gap:24px}
.pay-hero{text-align:center;max-width:48rem;margin:0 auto;padding-top:0}
.pay-hero h1{margin:0 0 8px;font-size:clamp(24px,3.4vw,36px);font-weight:700;letter-spacing:-.02em;line-height:1.2;color:#000}
.pay-lead{margin:0 auto;max-width:36rem;font-size:14px;line-height:1.5;color:var(--muted)}
.pay-balance{margin:12px auto 0;display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:var(--soft);font-size:13px}
.pay-balance b{font-size:16px}
.pay-err{margin-top:8px;color:#ba1a1a;font-size:14px}
.pay-grid{display:grid;grid-template-columns:1fr;gap:16px;align-items:stretch}
@media(min-width:860px){.pay-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:859px){.pay{padding:16px 16px 28px;gap:20px}}
.plan{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 24px;display:flex;flex-direction:column;gap:14px;position:relative}
.plan:hover{box-shadow:0 4px 16px rgba(21,28,39,.04)}
.plan.is-hot{border:2px solid var(--green);background:#fff;box-shadow:var(--shadow);z-index:1}
.plan-badge{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--green);color:#fff;padding:3px 14px;border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.08em}
.plan h3{margin:0 0 4px;font-size:24px;font-weight:600;letter-spacing:-.01em}
.plan .desc{margin:0;color:var(--muted);font-size:13px;line-height:1.45}
.plan .price{font-size:36px;font-weight:700;letter-spacing:-.02em;line-height:1.15}
.plan .price span{font-size:14px;font-weight:400;color:var(--muted)}
.plan .cta{width:100%;padding:10px 16px;border-radius:999px;font-size:14px;font-weight:500;cursor:pointer;border:1px solid #7e7576;background:transparent;color:#000}
.plan .cta:hover{background:var(--soft)}
.plan.is-hot .cta{background:#000;color:#fff;border:0}
.plan .cta:disabled{opacity:.55;cursor:wait}
.plan ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:13px}
.plan li{display:flex;align-items:flex-start;gap:8px}
.plan li i{flex:0 0 18px;width:18px;height:18px;color:var(--green)}
.pay-more-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.mini{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;font:inherit;color:inherit;text-align:left}
.mini:hover{border-color:var(--green)}
.mini b{display:block;font-size:18px}
.mini span{color:var(--muted);font-size:13px}
.pay-faq{max-width:48rem;margin:0 auto;width:100%}
.pay-faq-item{border-bottom:1px solid var(--line);padding:0 0 24px;margin-bottom:24px}
.pay-faq-item:last-child{border-bottom:0}
.pay-faq-item h3{margin:0 0 8px;font-size:16px;font-weight:600}
.pay-faq-item p{margin:0;color:var(--muted);font-size:16px;line-height:1.6}
.pay-foot{border-top:1px solid var(--line);background:var(--bg)}
.pay-foot-inner{max-width:1280px;margin:0 auto;padding:48px 64px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.pay-foot-brand{font-size:24px;font-weight:800;color:#000;text-decoration:none}
.pay-foot nav{display:flex;flex-wrap:wrap;gap:28px}
.pay-foot nav a{color:var(--muted);text-decoration:underline}
.pay-copy{color:var(--on);opacity:.6;font-size:14px}
[hidden]{display:none!important}
.pay-mask{position:fixed;inset:0;background:rgba(21,28,39,.45);z-index:2147483600;place-items:center;padding:20px}
.pay-mask:not([hidden]){display:grid}
.pay-modal{background:#fff;border-radius:24px;padding:32px;width:min(420px,100%);text-align:center;box-shadow:0 30px 40px rgba(0,0,0,.08)}
.pay-modal h2{margin:0 0 8px;font-size:22px}
.pay-modal p{margin:0 0 16px;color:var(--muted);font-size:14px}
.pay-qr{width:232px;height:232px;margin:0 auto 16px;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center}
.pay-qr img,.pay-qr canvas{width:232px;height:232px}
.pay-wait{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--muted);font-size:13px;margin-bottom:12px}
.pay-spin{width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--green);border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.pay-link{background:none;border:0;color:var(--green);cursor:pointer;font-size:14px;font-weight:600}
.pay-ok{font-size:48px;color:var(--green)}
.btn-black{display:inline-block;background:#000;color:#fff;border:0;border-radius:999px;padding:12px 28px;font-size:14px;cursor:pointer}
.pay-more h2,.pay-faq h2{margin:0 0 20px;font-size:24px;font-weight:600;text-align:center}
@media(max-height:820px){
  .pay{padding-top:12px;gap:16px}
  .pay-hero h1{font-size:26px}
  .plan{padding:16px 20px;gap:10px}
  .plan h3{font-size:20px}
  .plan .price{font-size:30px}
}
@media(max-width:859px){.pay-foot-inner{padding:32px 16px}}