/* ============================================================
   会员购买页样式(网页版精简后仅此页)
   设计:Hero 区渐变 + 套餐卡片 + 三步引导 + 弹窗
   ============================================================ */

/* Hero 区 */
.mb-hero{
    background:linear-gradient(135deg,#6b5fe6 0%,#8b5cf6 50%,#a855f7 100%);
    color:#fff;padding:56px 20px 64px;text-align:center;position:relative;overflow:hidden;
}
.mb-hero::after{
    content:'';position:absolute;inset:0;background:
        radial-gradient(circle at 20% 30%,rgba(255,255,255,.15),transparent 40%),
        radial-gradient(circle at 80% 70%,rgba(255,255,255,.1),transparent 40%);
    pointer-events:none;
}
.mb-hero-inner{position:relative;max-width:720px;margin:0 auto}
.mb-hero-badge{display:inline-block;background:rgba(255,255,255,.2);backdrop-filter:blur(8px);
    padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:18px;letter-spacing:1px}
.mb-hero-title{font-size:30px;font-weight:800;margin:0 0 12px;line-height:1.3}
.mb-hero-sub{font-size:15px;opacity:.92;margin:0 auto 24px;max-width:560px;line-height:1.7}
.mb-hero-feats{display:flex;gap:10px 22px;flex-wrap:wrap;justify-content:center;font-size:14px;opacity:.95}
.mb-hero-feats span{background:rgba(255,255,255,.15);padding:5px 14px;border-radius:16px}

/* 主体 */
.mb-wrap{max-width:1000px;margin:-36px auto 48px;padding:0 16px;position:relative}
.mb-note{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;padding:12px 16px;border-radius:10px;
    margin-bottom:20px;font-size:14px;line-height:1.6}
.mb-empty{text-align:center;padding:60px 20px;color:#888;font-size:16px}

/* 套餐卡片 */
.mb-plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-bottom:40px}
.mb-plan{
    background:#fff;border-radius:16px;padding:30px 24px;text-align:center;position:relative;
    border:2px solid #eef0f4;transition:transform .25s,box-shadow .25s,border-color .25s;cursor:default;
}
.mb-plan:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(107,95,230,.18);border-color:#c7b8ff}
.mb-plan--vip{background:linear-gradient(160deg,#fff 60%,#faf5ff 100%);border-color:#d8b4fe}
.mb-plan--vip:hover{box-shadow:0 16px 40px rgba(168,85,247,.22);border-color:#a855f7}
.mb-plan--rec{border-color:#c7b8ff}
.mb-plan-tag{position:absolute;top:-1px;right:18px;background:linear-gradient(90deg,#6b5fe6,#a855f7);
    color:#fff;font-size:11px;font-weight:700;padding:4px 12px;border-radius:0 0 8px 8px;letter-spacing:1px}
.mb-plan-name{font-size:18px;font-weight:700;color:#1a1a2e;margin-bottom:14px}
.mb-plan-price{display:flex;align-items:flex-start;justify-content:center;gap:2px;margin-bottom:4px}
.mb-cur{font-size:18px;color:#6b5fe6;font-weight:600;margin-top:8px}
.mb-amount{font-size:40px;font-weight:800;color:#6b5fe6;line-height:1}
.mb-plan--vip .mb-cur,.mb-plan--vip .mb-amount{color:#9333ea}
.mb-plan-orig{font-size:13px;color:#aaa;text-decoration:line-through;margin-bottom:10px}
.mb-plan-meta{font-size:13px;color:#666;margin-bottom:20px;padding:8px 0;border-top:1px dashed #eef0f4;border-bottom:1px dashed #eef0f4}
.mb-plan-btn{
    width:100%;padding:12px;border:none;border-radius:24px;font-size:15px;font-weight:600;cursor:pointer;
    background:#f3f0ff;color:#6b5fe6;transition:all .25s;
}
.mb-plan-btn:hover{background:#6b5fe6;color:#fff;box-shadow:0 6px 18px rgba(107,95,230,.35)}
.mb-plan--vip .mb-plan-btn{background:#ede9fe;color:#9333ea}
.mb-plan--vip .mb-plan-btn:hover{background:#9333ea;color:#fff;box-shadow:0 6px 18px rgba(147,51,234,.4)}

/* 三步引导 */
.mb-step{background:#fff;border-radius:16px;padding:28px 24px;border:1px solid #eef0f4}
.mb-step-h{font-size:17px;font-weight:700;margin-bottom:20px;color:#1a1a2e}
.mb-step-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.mb-step-item{display:flex;gap:14px;align-items:flex-start}
.mb-step-n{flex-shrink:0;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#6b5fe6,#a855f7);
    color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px}
.mb-step-item b{font-size:15px;color:#1a1a2e;display:block;margin-bottom:4px}
.mb-step-item p{font-size:13px;color:#888;margin:0;line-height:1.5}

.mb-err{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:12px 16px;border-radius:10px;
    margin-top:20px;font-size:14px;text-align:center}

/* 弹窗通用 */
.mb-overlay{position:fixed;inset:0;background:rgba(20,18,40,.55);backdrop-filter:blur(6px);
    display:flex;align-items:center;justify-content:center;z-index:9999;padding:16px;animation:mbFade .2s}
@keyframes mbFade{from{opacity:0}to{opacity:1}}
.mb-box{background:#fff;border-radius:18px;width:100%;max-width:420px;max-height:90vh;overflow:auto;
    box-shadow:0 24px 60px rgba(0,0,0,.3);animation:mbPop .25s}
@keyframes mbPop{from{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}
.mb-box-head{padding:18px 22px;font-size:17px;font-weight:700;border-bottom:1px solid #f0f0f5;
    display:flex;justify-content:space-between;align-items:center;color:#1a1a2e}
.mb-box-x{cursor:pointer;color:#aaa;font-size:18px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:6px}
.mb-box-x:hover{background:#f5f5fa;color:#666}
.mb-loading{padding:40px 20px;text-align:center;color:#888}

/* 支付弹窗 */
.mb-qr{display:flex;justify-content:center;padding:12px 0}
.mb-pay-amt{margin-top:12px;text-align:center;font-size:15px;color:#444}
.mb-pay-amt b{color:#6b5fe6}
.mb-pay-wait{text-align:center;color:#999;font-size:13px;padding:12px 0 24px}

/* 预注册弹窗 */
.mb-pre-body{padding:22px}
.mb-pre-tip{font-size:14px;color:#444;line-height:1.6;margin:0 0 16px}
.mb-pre-tip b{color:#9333ea}
.mb-pre-code{background:#f5f3ff;border:1px dashed #c7b8ff;border-radius:10px;padding:12px;text-align:center;
    font-size:14px;color:#6b5fe6;font-weight:600;margin-bottom:18px;word-break:break-all}
.mb-pre-code span{font-size:18px;letter-spacing:1px}
.mb-field{margin-bottom:14px}
.mb-field label{display:block;font-size:13px;color:#666;margin-bottom:6px;font-weight:500}
.mb-field input,.mb-field select{width:100%;padding:11px 14px;border:1px solid #e0e0e8;border-radius:10px;
    font-size:14px;box-sizing:border-box;transition:border-color .2s}
.mb-field input:focus,.mb-field select:focus{outline:none;border-color:#6b5fe6;box-shadow:0 0 0 3px rgba(107,95,230,.1)}
.mb-pre-hint{font-size:13px;min-height:18px;margin-bottom:10px;color:#888}
.mb-pre-hint.err{color:#dc2626}
.mb-btn-primary{width:100%;padding:13px;border:none;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;
    background:linear-gradient(90deg,#6b5fe6,#a855f7);color:#fff;transition:transform .15s,box-shadow .2s;text-align:center;text-decoration:none;display:inline-block}
.mb-btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(107,95,230,.4)}

/* 完成弹窗 */
.mb-done-body{padding:28px 22px;text-align:center}
.mb-done-icon{font-size:52px;margin-bottom:8px}
.mb-done-title{font-size:20px;font-weight:700;color:#1a1a2e;margin:0 0 8px}
.mb-done-sub{font-size:14px;color:#666;line-height:1.6;margin:0 0 16px}
.mb-done-code{background:linear-gradient(90deg,#f5f3ff,#ede9fe);border:1px dashed #a855f7;border-radius:12px;
    padding:16px;font-size:22px;font-weight:800;color:#9333ea;letter-spacing:2px;margin-bottom:22px;word-break:break-all}
.mb-done-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.mb-done-actions .mb-btn-primary{width:auto;padding:13px 28px}
.mb-btn-ghost{padding:13px 28px;border:1px solid #e0e0e8;background:#fff;border-radius:12px;font-size:15px;
    font-weight:600;cursor:pointer;color:#666;transition:all .2s}
.mb-btn-ghost:hover{background:#f5f5fa;border-color:#c7c7d0}
.mb-done-qr{display:flex;justify-content:center;margin-bottom:6px}
.mb-done-qr img{width:120px;height:120px;border-radius:10px;border:1px solid #eee}
.mb-done-qr-tip{font-size:12px;color:#aaa;margin:0 0 14px}
.mb-done-service{font-size:13px;color:#888;margin:14px 0 0;padding-top:14px;border-top:1px dashed #eee}
.mb-done-service b{color:#6b5fe6}

/* 移动端 */
@media (max-width:640px){
    .mb-hero{padding:40px 18px 52px}
    .mb-hero-title{font-size:24px}
    .mb-hero-sub{font-size:14px}
    .mb-hero-feats{font-size:13px;gap:8px 14px}
    .mb-hero-feats span{padding:4px 12px}
    .mb-plans{grid-template-columns:1fr;gap:14px}
    .mb-plan{padding:24px 20px}
    .mb-amount{font-size:34px}
    .mb-step-list{grid-template-columns:1fr}
    .mb-done-code{font-size:18px}
}

/* SVG 图标(ic() 输出)尺寸适配 */
.mb-done-icon svg{width:52px;height:52px;flex:none;color:#22c55e}
.mb-btn-primary svg,.mb-btn-ghost svg,.mb-card-svc-btn svg{width:16px;height:16px;flex:none;vertical-align:-3px;margin-right:2px}
.mb-pre-tip svg,.sp-note svg{width:15px;height:15px;flex:none;vertical-align:-3px;margin-right:2px}
.mb-done-cookie svg{width:14px;height:14px;flex:none;vertical-align:-3px;margin-right:2px}