.buy-dock{position:fixed;bottom:0;left:0;right:0;z-index:10000;background:#fff;border-top:1px solid #ddd;padding:12px 20px calc(12px + env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:center;gap:28px;font:14px Arial,"Microsoft YaHei",sans-serif;color:#111}.buy-dock strong{font-size:25px;color:#d71920}.buy-action{background:#d71920;color:white!important;border:0;border-radius:9px;padding:13px 25px;cursor:pointer;font:bold 16px Arial,"Microsoft YaHei",sans-serif;min-height:48px}.buy-dock small{display:block;color:#666;font-size:12px}.purchase-dialog{width:min(540px,100%);max-height:90dvh;border:0;border-radius:20px;padding:0;color:#151515;background:white;font:15px/1.65 Arial,"Microsoft YaHei",sans-serif;box-shadow:0 20px 100px #0003}.purchase-dialog::backdrop{background:#0009}.purchase-head{position:sticky;top:0;background:#fff;z-index:2;padding:20px 24px 14px;border-bottom:1px solid #eee}.purchase-head h2{font-size:23px!important;color:#111!important;margin:0!important;border:0!important}.purchase-close{position:absolute;top:13px;right:13px;width:40px;height:40px;font-size:26px;background:#f4f4f4;border:0;border-radius:50%;cursor:pointer}.purchase-body{padding:20px 24px 28px}.purchase-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:6px 0 0}.purchase-option{background:#fff;border:1px solid #ddd;border-radius:9px;padding:10px 4px;color:#222;cursor:pointer;font:13px/1.5 Arial,"Microsoft YaHei",sans-serif}.purchase-option strong{display:block;font-size:23px}.purchase-option[aria-pressed=true]{border:2px solid #d71920;background:#fff8f8;color:#c41119}.purchase-step{font-weight:bold;font-size:17px;margin:18px 0 9px}.purchase-step b{display:inline-flex;align-items:center;justify-content:center;background:#171717;color:white;border-radius:50%;width:25px;height:25px;margin-right:7px}.payment-poster{display:block;width:100%;max-width:340px;height:auto;margin:10px auto;border:1px solid #eee;border-radius:8px}.purchase-help{text-align:center;font-size:13px;color:#666}.purchase-paid{width:100%;margin-top:12px}.purchase-contact{text-align:center;border-top:1px solid #ddd;margin-top:24px;padding-top:8px}.purchase-contact img{display:block;width:260px;max-width:100%;height:auto;margin:12px auto}.purchase-note{font-size:13px;color:#666}.purchase-dialog a{color:#b4141a;text-decoration:underline}.purchase-coming{padding:28px 12px;text-align:center;background:#f7f7f7;border-radius:10px}body.has-buy-dock{padding-bottom:100px!important}@media(max-width:600px){.purchase-dialog{margin:auto 0 0;width:100%;max-width:none;border-radius:20px 20px 0 0;max-height:92dvh}.purchase-head{padding:18px 20px 12px}.purchase-body{padding:16px 20px 25px}.buy-dock{justify-content:space-between;gap:10px}.buy-action{padding:13px 20px}.buy-dock strong{font-size:24px}}@media print{.buy-dock,.purchase-dialog{display:none!important}}

.payment-summary{text-align:center;margin:2px 0 0}.payment-summary strong{font-size:34px;color:#d71920;display:block;line-height:1.15}.payment-summary .ps-unit{font-size:16px}.payment-summary .ps-name{margin:5px 0 2px!important;font-size:18px;font-weight:bold;color:#151515}.payment-summary .ps-detail{margin:0!important;font-size:13px;color:#666}.payment-summary p{font-size:14px}
/* 大码放第一屏：--s 按视口高度整体缩放，保证「金额＋名称＋码」一屏装得下，不用滚 */
.payment-qr{--s:1;position:relative;width:calc(256px * var(--s));height:calc(256px * var(--s));overflow:hidden;margin:12px auto;background:white}.payment-qr .payment-poster{position:absolute;max-width:none!important;width:calc(1082px * var(--s))!important;height:calc(1600px * var(--s))!important;left:calc(-780px * var(--s))!important;top:calc(-1317px * var(--s))!important;margin:0!important;border:0!important;border-radius:0!important}
@media (max-height:820px){.payment-qr{--s:.88}}
@media (max-height:740px){.payment-qr{--s:.78}}
@media (max-height:660px){.payment-qr{--s:.66}}
@media (max-height:580px){.payment-qr{--s:.56}}

.purchase-options{grid-template-columns:repeat(2,1fr)}
.price{grid-template-columns:1fr;gap:14px}.price article{display:flex;gap:18px;align-items:center}.price .pinfo{flex:1;min-width:0}.price .pinfo p:first-child{margin-top:0}.price .payqr{flex:0 0 124px;text-align:center;line-height:1.3}.price .payqr img{width:124px;height:124px;border:1px solid #e5e2dc;border-radius:6px;background:#fff;display:block}.price .payqr b{display:block;font-size:13px;color:#b4181f;margin-top:6px;font-weight:bold}@media(max-width:600px){.price article{gap:12px}.price .payqr{flex:0 0 120px}.price .payqr img{width:120px;height:120px}}
.purchase-lead{margin:0 0 12px;font-size:13px;color:#666}.purchase-option{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:8px;text-align:left;padding:11px 12px;min-height:48px}.purchase-option .po-name{font-size:12.5px;line-height:1.3;color:#3a3a3a;text-align:left}.purchase-option strong{display:block;font-size:17px;color:#d71920;white-space:nowrap}.purchase-option[aria-pressed=true] strong{color:#c41119}@media(max-width:600px){.purchase-body{padding:16px 16px 24px}.purchase-option{gap:6px;padding:10px}}@media(max-width:380px){.purchase-option .po-name{font-size:12px}}
.purchase-switch{margin:20px 0 0!important;padding-top:16px;border-top:1px dashed #e3e3e3}.purchase-help{margin:8px 0 0}
#purchase-tail{margin-top:20px}