/* 臻贤科技 · 会员中心 · SaaS 渐变风 */
:root{
  --violet:#6366F1; --violet-2:#8B5CF6; --violet-3:#A78BFA;
  --ink:#0F172A; --ink-2:#475569; --ink-3:#94A3B8;
  --bg:#FFFFFF; --bg-2:#F8F8FC; --line:#ECECF4;
  --ok:#10B981; --warn:#F59E0B; --bad:#F43F5E;
  --grad:linear-gradient(120deg,#6366F1 0%,#8B5CF6 55%,#A855F7 100%);
  --shadow:0 24px 60px -28px rgba(99,102,241,.35);
  --shadow-sm:0 10px 30px -18px rgba(15,23,42,.22);
  --sans:"Inter","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--sans);color:var(--ink);background:var(--bg-2);line-height:1.7;-webkit-font-smoothing:antialiased;min-height:100vh}
a{text-decoration:none;color:inherit}
button{font-family:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* header */
header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.85);backdrop-filter:blur(18px) saturate(180%);border-bottom:1px solid rgba(15,23,42,.06)}
.nav{display:flex;align-items:center;height:68px;gap:22px}
.logo{display:flex;align-items:center;gap:11px}
.logo .mark{width:34px;height:34px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:14px;box-shadow:0 8px 20px -8px rgba(99,102,241,.7)}
.logo b{font-size:17px;font-weight:800;letter-spacing:-.01em;display:block;line-height:1.15}
.logo small{display:block;font-size:9px;letter-spacing:.2em;color:var(--ink-3);font-weight:600}
.nav .sp{margin-left:auto}
.nav .lnk{font-size:13.5px;color:var(--ink-2);padding:8px 14px;border-radius:10px;transition:.2s}
.nav .lnk:hover{color:var(--violet);background:#F4F2FF}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:12px;font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-p{background:var(--grad);color:#fff;box-shadow:0 14px 30px -14px rgba(99,102,241,.8)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 20px 38px -14px rgba(99,102,241,.9)}
.btn-p:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn-o{background:#fff;color:var(--ink);border-color:#E6E4F0}
.btn-o:hover{border-color:var(--violet-3);color:var(--violet)}
.btn-gh{background:transparent;color:var(--ink-2);border-color:transparent}
.btn-gh:hover{background:#F1F0FF;color:var(--violet)}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:10px}
.btn-block{width:100%}

/* card */
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow-sm)}

/* form */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field label i{color:var(--bad);font-style:normal}
.field input,.field select{width:100%;padding:12px 14px;border:1px solid #E4E2EF;border-radius:12px;font-size:14px;font-family:inherit;color:var(--ink);background:#FCFCFE;transition:.2s}
.field input:focus,.field select:focus{outline:none;border-color:var(--violet-3);background:#fff;box-shadow:0 0 0 4px rgba(99,102,241,.1)}
.field .hint{font-size:12px;color:var(--ink-3);margin-top:5px}
.err-box{background:#FFF1F3;border:1px solid #FFD9DF;color:#C2314B;border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:14px;display:none}
.err-box.show{display:block}
.ok-box{background:#ECFDF5;border:1px solid #BBF7D0;color:#047857;border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:14px;display:none}
.ok-box.show{display:block}

/* auth page */
.auth-wrap{min-height:calc(100vh - 68px);display:flex;align-items:center;justify-content:center;padding:48px 22px;position:relative;overflow:hidden}
.auth-wrap::before{content:"";position:absolute;top:-180px;left:50%;transform:translateX(-50%);width:960px;height:640px;background:radial-gradient(closest-side,rgba(99,102,241,.18),rgba(139,92,246,.08) 45%,transparent 72%);filter:blur(14px);pointer-events:none}
.auth{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:0;max-width:980px;width:100%;background:#fff;border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}
.auth-side{background:var(--grad);color:#fff;padding:44px 40px;position:relative;overflow:hidden}
.auth-side::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 80% 12%,rgba(255,255,255,.28),transparent 42%),linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:auto,44px 44px,44px 44px;pointer-events:none}
.auth-side h2{font-size:27px;font-weight:800;letter-spacing:-.02em;line-height:1.35;position:relative}
.auth-side p{font-size:14px;opacity:.9;margin-top:14px;position:relative}
.auth-side ul{list-style:none;margin-top:28px;position:relative}
.auth-side li{font-size:13.5px;padding:9px 0 9px 26px;position:relative;opacity:.95}
.auth-side li::before{content:"✓";position:absolute;left:0;top:9px;width:17px;height:17px;border-radius:50%;background:rgba(255,255,255,.22);font-size:10px;display:flex;align-items:center;justify-content:center}
.auth-body{padding:40px 38px}
.auth-body h1{font-size:22px;font-weight:800;letter-spacing:-.01em}
.auth-body .sub{font-size:13.5px;color:var(--ink-3);margin:8px 0 24px}
.auth-foot{font-size:12.5px;color:var(--ink-3);text-align:center;margin-top:18px}
.auth-foot a{color:var(--violet);font-weight:600}

/* member center */
.page-head{padding:34px 0 8px}
.page-head h1{font-size:26px;font-weight:800;letter-spacing:-.02em}
.page-head .sub{color:var(--ink-3);font-size:13.5px;margin-top:6px}
.grid2{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
.plan-now{display:flex;align-items:flex-start;gap:20px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;background:#F1F0FF;color:#5B4FE8;border:1px solid #E4E1FF}
.badge.ok{background:#ECFDF5;color:#047857;border-color:#BBF7D0}
.badge.warn{background:#FFFBEB;color:#B45309;border-color:#FDE68A}
.badge.bad{background:#FFF1F3;color:#C2314B;border-color:#FFD9DF}
.kv{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.kv .it{background:var(--bg-2);border-radius:14px;padding:14px 16px}
.kv .it b{display:block;font-size:19px;font-weight:800;letter-spacing:-.01em}
.kv .it span{font-size:12px;color:var(--ink-3)}
.bar{height:7px;border-radius:99px;background:#EDEBF7;overflow:hidden;margin-top:7px}
.bar>i{display:block;height:100%;border-radius:99px;background:var(--grad);transition:width .5s}

.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(206px,1fr));gap:16px;margin-top:16px}
.plan{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 20px;box-shadow:var(--shadow-sm);position:relative;transition:.25s;display:flex;flex-direction:column}
.plan:hover{transform:translateY(-3px);border-color:#DDD8FF;box-shadow:var(--shadow)}
.plan.rec{border-color:#C7BFFB;box-shadow:0 20px 44px -26px rgba(99,102,241,.55)}
.plan.src{border:1px solid #C7BFFB;background:linear-gradient(170deg,#FBFAFF,#fff 55%);box-shadow:0 18px 40px -28px rgba(99,102,241,.5)}
.plan.src .nm{color:#4338CA}
.plan.src .am{font-size:26px}
.plan .tag{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:11px;font-weight:700;padding:4px 12px;border-radius:999px;white-space:nowrap}
.plan .nm{font-size:15px;font-weight:750}
.plan .am{font-size:30px;font-weight:900;letter-spacing:-.03em;margin:8px 0 2px}
.plan .am small{font-size:12.5px;font-weight:600;color:var(--ink-3)}
.plan .per{font-size:12px;color:var(--ink-3);min-height:34px}
.plan ul{list-style:none;margin:12px 0 18px;flex:1}
.plan li{font-size:12.5px;color:var(--ink-2);padding:5px 0 5px 18px;position:relative}
.plan li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--violet-3)}

table.tb{width:100%;border-collapse:collapse;font-size:13px}
table.tb th{text-align:left;font-weight:600;color:var(--ink-3);font-size:12px;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
table.tb td{padding:12px;border-bottom:1px solid #F4F3FA;color:var(--ink-2)}
table.tb tr:last-child td{border-bottom:0}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}

/* modal */
.mask{position:fixed;inset:0;background:rgba(15,23,42,.42);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:90;padding:22px;opacity:0;pointer-events:none;transition:.2s}
.mask.show{opacity:1;pointer-events:auto}
.modal{background:#fff;border-radius:22px;width:100%;max-width:430px;box-shadow:0 40px 80px -30px rgba(15,23,42,.5);overflow:hidden;transform:translateY(10px);transition:.25s}
.mask.show .modal{transform:none}
.modal-h{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-h b{font-size:15px}
.modal-x{border:0;background:transparent;font-size:20px;color:var(--ink-3);cursor:pointer;line-height:1}
.modal-b{padding:22px;text-align:center}
.modal-f{padding:0 22px 22px}
.qrbox{width:220px;height:220px;margin:8px auto 12px;border:1px solid var(--line);border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#fff}
.qrbox img{width:100%;height:100%;object-fit:contain}
.pay-amt{font-size:28px;font-weight:900;letter-spacing:-.02em}
.pay-amt small{font-size:13px;font-weight:600;color:var(--ink-3)}
.pay-tip{font-size:12.5px;color:var(--ink-3);margin-top:6px}
.pay-tabs{display:flex;gap:10px;justify-content:center;margin:16px 0 4px}
.pay-tab{padding:9px 18px;border-radius:11px;border:1px solid #E4E2EF;background:#fff;font-size:13px;font-weight:600;cursor:pointer;color:var(--ink-2)}
.pay-tab.on{border-color:var(--violet);color:var(--violet);background:#F6F4FF}
.toast{position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);background:#0F172A;color:#fff;padding:12px 20px;border-radius:12px;font-size:13.5px;opacity:0;pointer-events:none;transition:.25s;z-index:120;max-width:80vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{background:#C2314B}
.na{color:#B45309;font-style:italic}
@media (max-width:900px){
  .auth{grid-template-columns:1fr}
  .auth-side{display:none}
  .grid2{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr 1fr}
  .kv{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .plans{grid-template-columns:1fr}
  .auth-body{padding:30px 22px}
  .card{padding:20px}
}