/* 灵犀 AURORA · 会员权益页 */

/* ============ 开屏 ============ */
.mb-hero{
  position:relative;overflow:hidden;
  padding:84px 0 74px;
  background:
    radial-gradient(110% 85% at 50% -5%,rgba(38,29,12,.7),transparent 60%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1));
}
.mb-band{opacity:.7}
.mb-g1{top:-180px;left:-130px}
.mb-g2{
  width:480px;height:480px;top:-60px;right:-150px;
  background:radial-gradient(circle,rgba(255,200,107,.5),transparent 68%);
  animation:au-drift 26s ease-in-out infinite reverse;
}
.mb-hero-inner{position:relative;z-index:2;text-align:center}
.mb-hero-inner .au-badge{margin-bottom:22px}
.mb-title{
  font-size:clamp(32px,6.4vw,62px);line-height:1.12;letter-spacing:-.02em;
  margin-bottom:18px;
}
.mb-dot{color:var(--tx-3);margin:0 6px;font-weight:400}
.mb-sub{max-width:660px;margin:0 auto;font-size:clamp(14.5px,1.6vw,17px);color:var(--tx-1);line-height:1.85}
.mb-sub strong{color:var(--gold);font-weight:700}
.mb-hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}

.mb-status{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:26px;padding:11px 18px;border-radius:999px;
  border-color:rgba(255,200,107,.4);
  font-size:14px;color:var(--tx-0);
}
.mb-status-ico{color:var(--gold);font-size:15px}

/* ============ 对比区 ============ */
.mb-compare{background:var(--bg-0)}
.mb-cols{
  display:grid;grid-template-columns:1fr auto 1fr;gap:0 22px;
  align-items:stretch;margin-bottom:54px;
}
.mb-col{display:flex;flex-direction:column;position:relative}
.mb-col-head{padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.mb-col-head .au-badge{margin-bottom:14px}
.mb-price{display:flex;align-items:baseline;gap:6px}
.mb-price b{font-size:40px;font-weight:800;color:var(--tx-0);line-height:1;letter-spacing:-.02em}
.mb-price em{font-style:normal;font-size:14px;color:var(--tx-2)}
.mb-col-note{margin-top:9px;font-size:13px;color:var(--tx-2)}
.mb-col-gold .mb-price b{
  background:var(--grad-gold);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.mb-flag{
  position:absolute;top:-1px;right:20px;
  padding:5px 12px 6px;border-radius:0 0 10px 10px;
  font-size:11.5px;font-weight:700;color:#2a1c05;
  background:var(--grad-gold);
}

.mb-list{display:flex;flex-direction:column;gap:0;flex:1 1 auto}
.mb-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px 2px;border-bottom:1px dashed rgba(255,255,255,.06);
  font-size:14.5px;
}
.mb-list li:last-child{border-bottom:0}
.mb-list li>span{color:var(--tx-1);flex:1 1 auto;min-width:0}
.mb-list li>b{
  flex:0 0 auto;text-align:right;max-width:52%;
  font-size:14.5px;font-weight:700;color:var(--tx-0);line-height:1.5;
}
.mb-list li>b em{
  display:block;font-style:normal;font-weight:500;
  font-size:11.5px;color:var(--tx-3);margin-top:2px;
}
.mb-list li.is-no>span{color:var(--tx-3)}
.mb-list li.is-no>b{color:var(--tx-3);font-weight:600}
.mb-list li.is-gold>b{color:var(--gold)}
.mb-list li.is-gold>span{color:var(--tx-0)}

.mb-col-foot{font-size:13px;line-height:1.75;margin:18px 0}
.mb-col .au-btn{margin-top:auto}

.mb-vs{display:flex;align-items:center;justify-content:center}
.mb-vs span{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:var(--tx-2);
  border:1px solid var(--line);background:var(--bg-2);
}

/* 四处差异 */
.mb-diff{padding-top:8px}
.mb-diff h3{font-size:22px;margin-bottom:10px;text-align:center}
.mb-diff-lead{max-width:700px;margin:0 auto 28px;text-align:center;font-size:14.5px;line-height:1.85}
.mb-diff-grid{margin-bottom:26px}
.mb-d{position:relative;padding-top:30px}
.mb-d-n{
  position:absolute;top:16px;left:20px;
  font-size:12px;font-weight:800;letter-spacing:.1em;
  color:var(--gold);
}
.mb-d h4{font-size:16px;margin-bottom:8px}
.mb-d p{font-size:13.5px;color:var(--tx-2);line-height:1.75}
.mb-honest{
  display:block;padding:18px 20px;border-radius:var(--r-md);
  font-size:14px;line-height:1.85;color:var(--tx-1);
  border-left:3px solid var(--aurora-3);
}
.mb-honest strong{color:var(--aurora-3)}

/* ============ 定价 ============ */
.mb-pricing{background:linear-gradient(180deg,var(--bg-0),var(--bg-1))}
.mb-plan{display:flex;flex-direction:column;position:relative}
.mb-plan h3{font-size:19px;margin-bottom:12px}
.mb-plan-p{display:flex;align-items:baseline;gap:5px;margin-bottom:12px}
.mb-plan-p b{font-size:34px;font-weight:800;color:var(--tx-0);line-height:1;letter-spacing:-.02em}
.mb-plan-p em{font-style:normal;font-size:13px;color:var(--tx-2)}
.mb-plan-hot .mb-plan-p b{
  background:var(--grad-gold);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.mb-plan-d{font-size:13.5px;color:var(--tx-2);line-height:1.75;margin-bottom:16px}
.mb-plan-l{display:flex;flex-direction:column;gap:9px;flex:1 1 auto;margin-bottom:16px}
.mb-plan-l li{
  position:relative;padding-left:20px;
  font-size:13.5px;color:var(--tx-1);line-height:1.6;
}
.mb-plan-l li::before{
  content:"";position:absolute;left:2px;top:8px;
  width:7px;height:7px;border-radius:50%;background:var(--aurora-2);
}
.mb-plan-hot .mb-plan-l li::before{background:var(--gold)}
.mb-plan-l code{
  padding:1px 6px;border-radius:5px;
  background:rgba(255,200,107,.14);color:var(--gold);
  border:1px solid rgba(255,200,107,.26);
}
.mb-plan-tag{
  align-self:flex-start;padding:5px 11px;border-radius:999px;
  font-size:11.5px;color:var(--tx-2);
  border:1px solid var(--line);background:var(--glass);
}
.mb-plan-badge{
  position:absolute;top:-1px;right:20px;
  padding:5px 12px 6px;border-radius:0 0 10px 10px;
  font-size:11.5px;font-weight:700;color:#2a1c05;background:var(--grad-gold);
}
.mb-plan-btn{align-self:flex-start}
.mb-pay-note{margin-top:26px;font-size:13px;line-height:1.8}
.mb-pay-note strong{color:var(--aurora-4)}

/* ============ 三步开通 ============ */
.mb-steps{background:var(--bg-1)}
.mb-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.mb-flow li{
  display:flex;gap:16px;align-items:flex-start;
  padding:24px 22px;border-radius:var(--r-lg);
  border:1px solid var(--line);background:var(--glass);
}
.mb-flow-n{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:#2a1c05;background:var(--grad-gold);
}
.mb-flow h3{font-size:16.5px;margin-bottom:7px}
.mb-flow p{font-size:13.5px;color:var(--tx-2);line-height:1.75}
.mb-flow-a{
  display:inline-block;margin-top:10px;
  font-size:13px;font-weight:600;color:var(--aurora-2);
}
@media (hover:hover) and (pointer:fine){
  .mb-flow-a:hover{color:var(--aurora-3)}
}

/* ============ 客服 + FAQ ============ */
.mb-support{background:linear-gradient(180deg,var(--bg-1),var(--bg-0))}
.mb-support-grid{display:grid;grid-template-columns:320px 1fr;gap:26px;align-items:start}
.mb-qr-card{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.mb-qr-card h3{font-size:19px}
.mb-qr-card p{font-size:13.5px}
/* CSS 手绘二维码占位 */
.mb-qr{
  position:relative;width:168px;height:168px;align-self:center;
  border-radius:var(--r-md);
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.14) 0 8px,transparent 8px 16px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.14) 0 8px,transparent 8px 16px),
    linear-gradient(135deg,rgba(28,33,66,.95),rgba(13,16,32,.95));
  border:1px solid var(--line);
  overflow:hidden;
}
.mb-qr-c{
  position:absolute;width:38px;height:38px;border-radius:8px;
  border:6px solid rgba(255,200,107,.55);
}
.mb-qr-tl{top:14px;left:14px}
.mb-qr-tr{top:14px;right:14px}
.mb-qr-bl{bottom:14px;left:14px}
.mb-qr-mid{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:52px;height:52px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#2a1c05;
  background:var(--grad-gold);
  box-shadow:0 0 0 5px rgba(13,16,32,.95);
}
.mb-qr-note{font-size:11.5px;align-self:center;text-align:center}

.mb-faq h3{font-size:19px;margin-bottom:16px}
.mb-fq{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--glass);margin-bottom:10px;overflow:hidden;
}
.mb-fq summary{
  padding:15px 44px 15px 17px;position:relative;
  font-size:14.5px;font-weight:600;color:var(--tx-0);cursor:pointer;
  list-style:none;
}
.mb-fq summary::-webkit-details-marker{display:none}
.mb-fq summary::after{
  content:"";position:absolute;right:18px;top:50%;
  width:8px;height:8px;margin-top:-5px;
  border-right:2px solid var(--tx-2);border-bottom:2px solid var(--tx-2);
  transform:rotate(45deg);transition:transform .22s ease;
}
.mb-fq[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.mb-fq p{
  padding:0 17px 16px;font-size:13.5px;color:var(--tx-2);line-height:1.85;
}
.mb-fq code{
  padding:1px 6px;border-radius:5px;
  background:rgba(255,200,107,.14);color:var(--gold);
  border:1px solid rgba(255,200,107,.26);
}
@media (hover:hover) and (pointer:fine){
  .mb-fq summary:hover{background:var(--glass-2)}
}

/* ============ 底部 CTA ============ */
.mb-cta{
  position:relative;padding:74px 0 84px;
  background:var(--bg-1);border-top:1px solid var(--line);text-align:center;
}
.mb-cta-inner h2{margin-bottom:12px}
.mb-cta-inner p{color:var(--tx-2);max-width:540px;margin:0 auto}
.mb-cta-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin:28px 0 16px}

/* ============ 移动端 ============ */
@media (max-width:960px){
  .mb-cols{grid-template-columns:1fr;gap:16px}
  .mb-vs{padding:2px 0}
  .mb-vs span{width:40px;height:40px;font-size:12px}
  .mb-flow{grid-template-columns:1fr}
  .mb-support-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .mb-hero{padding:44px 0 46px}
  .mb-title{font-size:clamp(27px,8.6vw,40px)}
  .mb-br{display:none}
  .mb-sub{font-size:14px;line-height:1.8}
  .mb-hero-cta{gap:10px;margin-top:24px}
  .mb-hero-cta .au-btn{width:100%}
  .mb-status{width:100%;justify-content:center;border-radius:var(--r-md);font-size:13.5px}

  .mb-price b{font-size:32px}
  .mb-list li{font-size:13.5px;padding:11px 0;gap:10px}
  .mb-list li>b{font-size:13.5px;max-width:56%}
  .mb-diff h3{font-size:19px}
  .mb-diff-lead{font-size:13.5px;margin-bottom:20px}
  .mb-honest{padding:15px 16px;font-size:13.5px}

  .mb-plan-p b{font-size:28px}
  .mb-plan-btn{width:100%}
  .mb-flow li{padding:18px 16px;gap:13px}
  .mb-qr{width:150px;height:150px}
  .mb-fq summary{font-size:14px;padding:13px 40px 13px 14px}
  .mb-fq p{padding:0 14px 14px;font-size:13px}

  .mb-cta{padding:48px 0 56px}
  .mb-cta-btns{gap:10px}
  .mb-cta-btns .au-btn{width:100%}
}