/* ============================================
   筑豆生态 · 订阅升级页 v1.0
   全屏 overlay,生态共享,所有工具/筑豆主站都用同一份
   ============================================ */

.zdp-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(10px);
  display:none;align-items:center;justify-content:center;z-index:200;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  padding:24px;
}
.zdp-overlay.zdp-show{display:flex}

.zdp-modal{
  background:#2a2a2a;border:1px solid rgba(255,255,255,.08);border-radius:14px;
  width:100%;max-width:880px;max-height:90vh;display:flex;flex-direction:column;
  overflow:hidden;color:#e5e5e5;
  box-shadow:0 24px 80px rgba(0,0,0,.6);
  animation:zdpSlideUp .3s cubic-bezier(.2,.8,.2,1);
}
@keyframes zdpSlideUp{from{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}

.zdp-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:24px 30px 14px;
}
.zdp-title{font-size:20px;font-weight:600;color:#fff;letter-spacing:.02em}
.zdp-sub{font-size:13px;color:rgba(255,255,255,.55);margin-top:4px}
.zdp-close{
  width:32px;height:32px;border:0;background:0;border-radius:6px;
  font-size:22px;color:rgba(255,255,255,.55);cursor:pointer;
  display:grid;place-items:center;line-height:1;
}
.zdp-close:hover{background:rgba(255,255,255,.06);color:#fff}

.zdp-body{padding:0 30px 24px;overflow:auto;flex:1}
.zdp-body::-webkit-scrollbar{width:6px}
.zdp-body::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:3px}

/* 月付/年付切换器 */
.zdp-billing-toggle{
  display:flex;align-items:center;justify-content:center;gap:0;
  margin:0 0 22px;padding:4px;background:rgba(255,255,255,.04);
  border-radius:99px;width:fit-content;margin-left:auto;margin-right:auto;
  border:1px solid rgba(255,255,255,.06);
}
.zdp-billing-btn{
  border:0;background:0;padding:7px 18px;border-radius:99px;
  font-size:13px;color:rgba(255,255,255,.6);cursor:pointer;
  transition:all .15s;font-family:inherit;
  display:flex;align-items:center;gap:6px;
}
.zdp-billing-btn:hover{color:#fff}
.zdp-billing-btn.zdp-active{
  background:linear-gradient(135deg,#3a8a5c,#52b07a);color:#fff;
  font-weight:600;
}
.zdp-save-pill{
  font-size:10px;font-weight:700;letter-spacing:.3px;
  background:rgba(255,255,255,.18);color:#fff;
  padding:1px 6px;border-radius:99px;
}

/* 套餐对比双栏 */
.zdp-plans{display:grid;grid-template-columns:1fr 1.1fr;gap:14px;margin-bottom:24px}
.zdp-plan{
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);
  border-radius:12px;padding:24px 22px;display:flex;flex-direction:column;
  position:relative;
}
.zdp-plan.zdp-pro{
  background:linear-gradient(160deg,rgba(82,176,122,.1),rgba(82,176,122,.02));
  border-color:rgba(82,176,122,.3);
}
.zdp-plan.zdp-current{
  border-color:rgba(255,255,255,.2);
}
.zdp-recommended{
  position:absolute;top:-10px;right:18px;
  background:linear-gradient(135deg,#3a8a5c,#52b07a);color:#fff;
  font-size:10px;font-weight:700;letter-spacing:.8px;
  padding:3px 9px;border-radius:99px;
}
.zdp-plan-name{font-size:14px;color:rgba(255,255,255,.7);font-weight:500;margin-bottom:6px;letter-spacing:.05em}
.zdp-plan-price{display:flex;align-items:baseline;gap:6px;margin-bottom:4px}
.zdp-plan-price-num{font-size:30px;font-weight:700;color:#fff;letter-spacing:.02em}
.zdp-plan-price-unit{font-size:13px;color:rgba(255,255,255,.55)}
.zdp-plan-price-note{font-size:11.5px;color:rgba(255,255,255,.45);margin-bottom:18px;min-height:16px}

.zdp-plan-features{
  flex:1;display:flex;flex-direction:column;gap:9px;
  margin-bottom:20px;
}
.zdp-plan-feat{
  display:flex;align-items:flex-start;gap:9px;
  font-size:13px;color:rgba(255,255,255,.85);line-height:1.5;
}
.zdp-plan-feat::before{
  content:'✓';flex-shrink:0;color:#52b07a;font-weight:700;
  display:inline-block;margin-top:1px;font-size:13px;
}
.zdp-plan.zdp-free .zdp-plan-feat::before{color:rgba(255,255,255,.4)}
.zdp-plan-feat-mute{color:rgba(255,255,255,.4)}
.zdp-plan-feat-mute::before{content:'○' !important;color:rgba(255,255,255,.3) !important}
.zdp-plan-feat b{color:#fff;font-weight:600}

.zdp-plan-cta{
  width:100%;padding:11px 16px;border:0;border-radius:8px;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all .15s;font-family:inherit;
}
.zdp-plan-cta-primary{
  background:linear-gradient(135deg,#3a8a5c,#52b07a);color:#fff;
}
.zdp-plan-cta-primary:hover{
  background:linear-gradient(135deg,#2a7a4c,#42a06a);
  transform:translateY(-1px);
  box-shadow:0 4px 16px rgba(82,176,122,.3);
}
.zdp-plan-cta-current{
  background:rgba(255,255,255,.06);color:rgba(255,255,255,.7);
  cursor:default;border:1px solid rgba(255,255,255,.1);
}
.zdp-plan-cta-secondary{
  background:0;color:rgba(255,255,255,.7);
  border:1px solid rgba(255,255,255,.15);
}
.zdp-plan-cta-secondary:hover{background:rgba(255,255,255,.04);color:#fff;border-color:rgba(255,255,255,.3)}

/* 加量包区 */
.zdp-topup-section{
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:20px;
}
.zdp-topup-title{
  font-size:13px;color:rgba(255,255,255,.7);font-weight:500;
  margin-bottom:4px;
}
.zdp-topup-sub{
  font-size:12px;color:rgba(255,255,255,.45);margin-bottom:14px;
}
.zdp-topup-packs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.zdp-topup-pack{
  background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.08);
  border-radius:8px;padding:14px;display:flex;flex-direction:column;
  align-items:center;gap:5px;cursor:pointer;
  transition:border-color .15s,background .15s,transform .15s;
}
.zdp-topup-pack:hover{
  border-color:rgba(82,176,122,.4);
  background:rgba(82,176,122,.04);
  transform:translateY(-2px);
}
.zdp-pack-credits{font-size:15px;font-weight:600;color:#fff}
.zdp-pack-price{font-size:13px;color:rgba(255,255,255,.7)}
.zdp-pack-save{
  font-size:10px;color:#52b07a;font-weight:600;
  background:rgba(82,176,122,.12);padding:1px 6px;border-radius:99px;
}

/* 底部说明 */
.zdp-foot{
  padding:16px 30px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;justify-content:space-between;align-items:center;
  font-size:11.5px;color:rgba(255,255,255,.45);
  flex-wrap:wrap;gap:8px;
}
.zdp-foot a{color:rgba(255,255,255,.6);text-decoration:none}
.zdp-foot a:hover{color:#fff}
.zdp-cancel-link{
  background:0;border:0;color:rgba(255,255,255,.45);font-size:11.5px;
  cursor:pointer;text-decoration:underline;font-family:inherit;
}
.zdp-cancel-link:hover{color:#f07370}

/* 响应式 */
@media(max-width:680px){
  .zdp-overlay{padding:0;align-items:stretch}
  .zdp-modal{max-width:100%;max-height:100vh;border-radius:0}
  .zdp-plans{grid-template-columns:1fr;gap:12px}
  .zdp-topup-packs{grid-template-columns:1fr}
  .zdp-head{padding:18px 20px 12px}
  .zdp-body{padding:0 20px 18px}
  .zdp-foot{padding:14px 20px}
}