/* 买家子页面（/shop 与 /redeem）· 与首页 storefront.css 同一套「透明小票」设计。
   2026-09-27 按设计稿 Tasks/2026-09-27-buyer-pages-redesign/子页面设计稿-v3.html 重做。
   全部挂在 body.buyer-site 下：后台与买家页共用 index.html / app.js / style.css，后台不受影响。
   页面 CSP 禁止行内样式，这里的类要覆盖所有买家页模板（app.js、redeem-flow.*）。 */
body.buyer-site{
  --ink:#0b1830;--ink-2:#1d2d48;--muted:#5d6a7e;--paper:#f4f0e6;--paper-2:#ebe5d6;--card:#fffdf7;
  --line:#d8d0bd;--yellow:#ffd23f;--yellow-2:#ffe68a;--red:#d8412a;--green:#1c7a52;--green-bg:#e3f1e8;--mint:#7be3ad;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:"PingFang SC","Hiragino Sans GB","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --radius:14px;
  /* style.css 通用组件用到的变量，一并换成首页配色 */
  --white:#fffdf7;--deep:#0b1830;--accent:#ffd23f;--soft:#ebe5d6;--orange:#fff1c2;
  background:var(--paper);color:var(--ink);font:15px/1.65 var(--sans);-webkit-font-smoothing:antialiased;
}
body.buyer-site::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:repeating-linear-gradient(0deg,rgba(11,24,48,.018) 0 1px,transparent 1px 4px)}
.buyer-site :focus-visible{outline:3px solid var(--yellow);outline-offset:3px;border-radius:6px}
.buyer-site .wrap{width:min(1100px,100% - 40px);margin-inline:auto}

/* ───── 头部 / 环境提示 / 页脚：与首页相同 ───── */
.buyer-site .site-header{position:sticky;top:0;z-index:30;background:rgba(244,240,230,.9);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid rgba(11,24,48,.08)}
/* style.css 里后台侧栏也叫 .nav（竖排）、.logo（30px 黄色方块）、footer 有外边距，这里逐项复位 */
.buyer-site .nav{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:24px;height:66px}
.buyer-site .nav-links a{border-radius:0}
.buyer-site .logo{display:flex;align-items:center;gap:10px;width:auto;height:auto;padding:0;background:none;border-radius:0;font-weight:800;font-size:19px;color:var(--ink);white-space:nowrap}
.buyer-site .logo svg{display:block;flex:none}
.buyer-site .nav-links{display:flex;gap:26px;font-size:15px;color:var(--ink-2)}
.buyer-site .nav-links a{color:inherit;padding:4px 0}
.buyer-site .nav-links a:hover,.buyer-site .nav-links a.is-on{color:var(--ink);box-shadow:inset 0 -2px 0 var(--ink)}
.buyer-site .nav-links a.is-on{font-weight:800}
.buyer-site .nav-cta{border:1.5px solid var(--ink);padding:8px 18px;border-radius:999px;font-weight:700;font-size:14px;color:var(--ink);white-space:nowrap}
.buyer-site .nav-cta:hover,.buyer-site .nav-cta.is-on{background:var(--ink);color:var(--paper)}
.buyer-site .env-bar{background:var(--yellow-2);color:#5a4300;text-align:center;font-size:13px;padding:7px 16px;border-bottom:1px solid #e8cf6a}
.buyer-site .bp-main{padding:26px 0 72px;min-height:60vh}
.buyer-site .site-footer{margin:0;font-size:14px;background:var(--ink);color:#c9d3e2;padding:36px 0 40px;border-top:3px solid var(--yellow)}
.buyer-site .footer-inner{display:grid;grid-template-columns:auto 1fr;gap:14px 40px;align-items:center}
.buyer-site .footer-brand{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;font-size:14px}
.buyer-site .footer-brand strong{color:#fff;font-size:18px}
.buyer-site .footer-links{display:flex;gap:22px;justify-content:flex-end;font-size:14px}
.buyer-site .footer-links a{color:#c9d3e2}
.buyer-site .footer-links a:hover{color:var(--yellow)}
.buyer-site .footer-legal{grid-column:1/-1;font-size:12px;color:#8494ad;border-top:1px solid rgba(255,255,255,.1);padding-top:14px}

/* ───── 标题 ───── */
.buyer-site .back{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);font-weight:600}
.buyer-site .back::before{content:"←";font-family:var(--mono)}
.buyer-site .back:hover{color:var(--ink)}
.buyer-site .h-no{font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--muted)}
.buyer-site .h-no::before{content:"";display:inline-block;width:20px;height:3px;background:var(--yellow);vertical-align:middle;margin-right:9px;transform:translateY(-2px)}
.buyer-site .pg-title{font-size:32px;line-height:1.2;font-weight:900;letter-spacing:-.015em;margin:8px 0 10px;overflow-wrap:anywhere}
.buyer-site .pg-title mark{background:linear-gradient(transparent 58%,var(--yellow) 58% 92%,transparent 92%);color:inherit;padding:0 .04em}
.buyer-site .lede{color:var(--ink-2);font-size:15.5px}
.buyer-site .lede b{font-weight:800}
.buyer-site .center{text-align:center}
.buyer-site .gap-t{margin-top:18px}
.buyer-site .fine{font-size:13px;color:var(--muted);margin-top:12px}
.buyer-site .mono{font-family:var(--mono)}

/* ───── 票根进度条：①选套餐付款 → ②自动发卡 → ③兑换开通（对应首页「怎么充」） ───── */
.buyer-site .rail{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;margin:16px 0 28px;padding:0;background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);overflow:hidden}
.buyer-site .rail li{display:flex;align-items:center;gap:12px;padding:12px 18px;font-weight:700;font-size:15px;color:var(--muted);min-width:0}
.buyer-site .rail li+li{border-left:2px dashed var(--line)}
.buyer-site .rail .n{display:grid;place-items:center;flex:none;width:32px;height:32px;border-radius:9px;border:2px solid var(--line);font-family:var(--mono);font-size:15px;font-weight:800}
.buyer-site .rail small{display:block;font-size:12px;font-weight:600;color:var(--muted)}
.buyer-site .rail .done{color:var(--ink)}
.buyer-site .rail .done .n{background:var(--green-bg);border-color:var(--green);color:var(--green)}
.buyer-site .rail .on{background:var(--yellow);color:var(--ink)}
.buyer-site .rail .on .n{background:var(--ink);border-color:var(--ink);color:var(--yellow)}
.buyer-site .rail .on small{color:var(--ink-2)}

/* ───── 按钮：首页主按钮（墨蓝 + 黄色硬阴影）与描边次按钮 ───── */
.buyer-site .bt{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 22px;border-radius:12px;font-weight:800;font-size:15.5px;border:2px solid var(--ink);background:transparent;color:var(--ink);white-space:nowrap;text-decoration:none;transition:transform .15s,box-shadow .15s,background .2s;cursor:pointer}
.buyer-site .bt:hover{background:var(--card)}
.buyer-site .bt-solid,.buyer-site .bt-solid:hover{background:var(--ink);color:var(--paper);box-shadow:4px 4px 0 var(--yellow)}
.buyer-site .bt-solid:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--yellow)}
.buyer-site .bt-solid:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--yellow)}
.buyer-site .bt-yellow,.buyer-site .bt-yellow:hover{background:var(--yellow);box-shadow:3px 3px 0 var(--ink)}
.buyer-site .bt-sm{min-height:36px;padding:0 13px;font-size:13.5px;border-radius:10px}
.buyer-site .bt-block{width:100%}
.buyer-site .bt-light{border-color:#c9d3e2;color:#fff}
.buyer-site .bt-light:hover{background:rgba(255,255,255,.08)}
.buyer-site .bt:disabled,.buyer-site .bt[aria-disabled=true]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.buyer-site .bt-ext::after{content:"↗";font-family:var(--mono);font-size:13px}
.buyer-site .bt-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.buyer-site .bt-row.end{justify-content:flex-end}
.buyer-site .bt-row>.grow{flex:1}

/* ───── 状态章 ───── */
.buyer-site .chips{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.buyer-site .chip{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:7px;font-size:12.5px;font-weight:800;border:1.5px solid var(--ink);background:var(--card);color:var(--ink);white-space:nowrap}
.buyer-site .chip.ok{background:var(--green-bg);border-color:var(--green);color:var(--green)}
.buyer-site .chip.ok::before{content:"✓"}
.buyer-site .chip.run{background:var(--ink);color:var(--yellow)}
.buyer-site .chip.run::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--yellow);animation:bp-blink 1s infinite}
.buyer-site .chip.warn{background:var(--yellow)}
.buyer-site .chip.warn::before{content:"!";font-family:var(--mono)}
.buyer-site .chip.idle{border-color:var(--line);color:var(--muted)}

/* ───── 价签（首页商品卡同款） ───── */
.buyer-site .tag-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px}
.buyer-site .price-tag{position:relative;display:flex;flex-direction:column;background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);padding:26px 24px 22px;transition:transform .2s,box-shadow .2s}
.buyer-site .price-tag.is-lift,.buyer-site .price-tag:hover{box-shadow:6px 6px 0 var(--ink)}
.buyer-site .tag-grid .price-tag:hover{transform:translate(-3px,-3px)}
.buyer-site .price-tag::before{content:"";position:absolute;top:16px;right:18px;width:14px;height:14px;border-radius:50%;border:2px solid var(--ink);background:var(--paper)}
.buyer-site .price-tag.is-featured{background:var(--yellow)}
.buyer-site .price-tag.is-featured::before{background:var(--yellow-2)}
.buyer-site .tag-badge{align-self:flex-start;font-size:12px;font-weight:800;background:var(--red);color:#fff;padding:3px 10px;border-radius:6px;margin-bottom:12px;transform:rotate(-2deg)}
.buyer-site .tag-name{font-size:21px;font-weight:900;line-height:1.3;padding-right:26px}
.buyer-site .tag-price{display:flex;align-items:flex-start;gap:2px;margin:14px 0 4px;font-family:var(--mono);font-weight:800;line-height:1}
.buyer-site .tag-price small{font-size:20px;margin-top:6px}
.buyer-site .tag-price strong{font-size:54px;letter-spacing:-.03em}
.buyer-site .tag-price em{font-style:normal;font-size:22px;margin-top:4px}
.buyer-site .tag-points{list-style:none;display:grid;gap:7px;margin:16px 0 18px;padding:16px 0 0;border-top:2px dashed rgba(11,24,48,.22);font-size:14px;color:var(--ink-2)}
.buyer-site .tag-points li{display:flex;gap:8px}
.buyer-site .tag-points li::before{content:"✓";color:var(--green);font-weight:900}
.buyer-site .price-tag.is-featured .tag-points li::before{color:var(--ink)}
.buyer-site .tag-note{font-size:14px;color:var(--ink-2);white-space:pre-wrap}
.buyer-site .tag-howto{font-size:13.5px;color:var(--ink-2);border-top:2px dashed rgba(11,24,48,.22);padding-top:14px;white-space:pre-wrap}
.buyer-site .tag-howto b{display:block;margin-bottom:4px}
.buyer-site .tag-cta{margin-top:auto}

/* ───── 表单卡 ───── */
.buyer-site .fm{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);padding:24px 24px 22px;min-width:0}
.buyer-site .fm.is-lift{box-shadow:6px 6px 0 var(--yellow)}
.buyer-site .fm-title{font-size:21px;font-weight:900;margin:6px 0 16px}
.buyer-site .fm label{display:grid;gap:6px;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:16px}
.buyer-site .fm label>input,.buyer-site .fm label>textarea,.buyer-site .fm label>select{margin:0;height:50px;border:2px solid var(--ink);border-radius:10px;background:#fff;padding:0 14px;font-size:15.5px;color:var(--ink)}
.buyer-site .fm label>textarea{height:auto;min-height:110px;padding:12px 14px;font-size:14px}
.buyer-site .fm label>input:focus,.buyer-site .fm label>textarea:focus{outline:3px solid var(--yellow);outline-offset:1px}
.buyer-site .fm .help,.buyer-site .fm-hint{font-size:12.5px;color:var(--muted);font-weight:500;margin:0}
.buyer-site .fm-hint.gap-t{margin-top:14px}
.buyer-site .fm .error{margin:0 0 14px;border-radius:10px;border:2px solid var(--ink);background:#fff1c2;color:var(--ink);font-weight:700;font-size:14px}
.buyer-site .memo{display:flex;gap:10px;font-size:13px;color:var(--ink-2);background:var(--paper);border-left:4px solid var(--yellow);padding:10px 12px;border-radius:0 8px 8px 0;margin:4px 0 18px}
.buyer-site .notice{border-left:4px solid var(--yellow);background:var(--paper);color:var(--ink-2);border-radius:0 8px 8px 0;font-size:13.5px;padding:10px 12px}
.buyer-site .notice.is-warn{background:#fff1c2;color:#6b4a00}
/* 数量：− 输入 + */
.buyer-site .qty{display:flex;width:max-content;border:2px solid var(--ink);border-radius:10px;overflow:hidden;background:#fff}
.buyer-site .qty button{width:46px;min-height:46px;height:46px;padding:0;border-radius:0;background:var(--paper-2);font-family:var(--mono);font-size:20px;font-weight:800;color:var(--ink)}
.buyer-site .qty button:hover{background:var(--yellow-2)}
.buyer-site .fm .qty input{width:60px;height:46px;border:0;border-radius:0;background:#fff;text-align:center;font-family:var(--mono);font-size:18px;font-weight:800;padding:0;-moz-appearance:textfield;appearance:textfield}
.buyer-site .qty input::-webkit-outer-spin-button,.buyer-site .qty input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.buyer-site .qty-field{display:grid;gap:6px;margin-bottom:16px}
.buyer-site .qty-field>span{font-size:13px;font-weight:700;color:var(--ink-2)}
/* 支付方式：两块厚卡片，选中变黄 */
.buyer-site .payment-choices{border:0;margin:0 0 6px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.buyer-site .payment-choices legend{font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:8px;padding:0}
.buyer-site .fm .payment-choice{display:flex!important;align-items:center;gap:12px;margin:0;padding:14px;border:2px solid var(--ink);border-radius:12px;background:#fff;cursor:pointer;min-width:0}
.buyer-site .fm .payment-choice input{width:18px;height:18px;margin:0;accent-color:var(--ink)}
.buyer-site .payment-choice:has(input:checked){background:var(--yellow);box-shadow:4px 4px 0 var(--ink)}
.buyer-site .payment-choice:has(input:focus-visible){outline:3px solid var(--ink);outline-offset:2px}
.buyer-site .payment-name{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:800;color:var(--ink)}
.buyer-site .payment-badge{font-style:normal;font-size:11px;font-weight:800;background:var(--red);color:#fff;border-radius:5px;padding:1px 6px}
.buyer-site .payment-note{font-size:12px;color:var(--muted);font-weight:500}
.buyer-site .payment-choice:has(input:checked) .payment-note{color:var(--ink-2)}
.buyer-site .payment-tip{margin:10px 0 0;padding:10px 12px;border-radius:10px;background:#fff1c2;color:#6b4a00;font-size:13px;font-weight:500}
.buyer-site #channel-hint{margin:6px 0 10px}
/* 合计 + 下单按钮；手机上贴底，做成首页手机浮条的样子 */
.buyer-site .buy-bar{display:grid;gap:14px;margin-top:6px;padding-top:16px;border-top:2px dashed var(--line)}
.buyer-site .total,.buyer-site .buy-total{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.buyer-site .total span,.buyer-site .buy-total span{font-weight:800;font-size:15px}
.buyer-site .total strong,.buyer-site .buy-total strong{font-family:var(--mono);font-size:28px;font-weight:800}
/* 验证码 */
.buyer-site .captcha-box{padding:14px 16px;border-radius:12px;background:var(--paper);margin-bottom:14px}
.buyer-site .captcha-widget{min-height:65px;margin-top:10px}

/* ───── 小票（锯齿边，与首页同一个 mask） ───── */
.buyer-site .receipt{position:relative;max-width:440px;margin:0 auto}
.buyer-site .paper{position:relative;background:var(--card);padding:30px 30px 34px;box-shadow:0 1px 0 var(--line),0 24px 48px -22px rgba(11,24,48,.35);
  -webkit-mask:radial-gradient(circle at 8px 0,transparent 6px,#000 6.5px) 0 0/16px 51% repeat-x,radial-gradient(circle at 8px 100%,transparent 6px,#000 6.5px) 0 100%/16px 51% repeat-x;
  mask:radial-gradient(circle at 8px 0,transparent 6px,#000 6.5px) 0 0/16px 51% repeat-x,radial-gradient(circle at 8px 100%,transparent 6px,#000 6.5px) 0 100%/16px 51% repeat-x}
.buyer-site .paper-head{text-align:center;display:grid;gap:2px}
.buyer-site .paper-head strong{font-size:19px;font-weight:900;letter-spacing:.06em}
.buyer-site .paper-head span{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--muted)}
.buyer-site .rule{border-top:2px dashed var(--line);margin:18px 0}
.buyer-site .rows{display:grid;gap:11px;font-size:14.5px;margin:0}
.buyer-site .rows>div{display:flex;align-items:baseline;gap:8px;min-width:0}
.buyer-site .rows dt{color:var(--muted);white-space:nowrap}
.buyer-site .rows>div::after{content:"";order:1;flex:1;border-bottom:1px dotted #bfb59d;transform:translateY(-4px);min-width:12px}
.buyer-site .rows dd{order:2;margin:0;font-weight:700;text-align:right;overflow-wrap:anywhere}
.buyer-site .rows dd.mono{font-family:var(--mono);font-size:13.5px}
.buyer-site .rows dd.big{font-size:18px}
.buyer-site .paper .bt{margin-top:18px}
.buyer-site .paper .notice{margin-top:16px}
.buyer-site .foot{margin-top:14px;text-align:center;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.04em}
.buyer-site .paper-note{font-size:14.5px;font-weight:700;text-align:center}
.buyer-site .receipt-links{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:16px;font-size:13.5px}
.buyer-site .receipt-links a,.buyer-site .receipt-links button{color:var(--ink-2);background:none;border:0;padding:0;min-height:0;font-weight:700;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
/* 印章：绿色用于浅色纸面（已开通），深色票根里用浅薄荷绿（已出卡） */
.buyer-site .stamp{position:absolute;z-index:2;width:104px;height:104px;border-radius:50%;border:3px solid currentColor;display:grid;place-content:center;text-align:center;line-height:1.1;transform:rotate(-14deg);color:var(--green);background:radial-gradient(circle,transparent 41px,currentColor 41.5px 43px,transparent 43.5px);pointer-events:none}
.buyer-site .stamp span{font-size:12px;font-weight:800;letter-spacing:.3em;padding-left:.3em}
.buyer-site .stamp b{font-size:22px;font-weight:900;letter-spacing:.08em}
.buyer-site .receipt>.stamp{right:-16px;top:-26px}
/* 微信收款码：四角黄色取景框 */
.buyer-site .qr-frame{position:relative;width:min(220px,100%);margin:6px auto 12px}
.buyer-site .qr-frame::before,.buyer-site .qr-frame::after{content:"";position:absolute;inset:-9px;pointer-events:none;
  background:linear-gradient(var(--yellow),var(--yellow)) 0 0/28px 5px no-repeat,linear-gradient(var(--yellow),var(--yellow)) 0 0/5px 28px no-repeat,
    linear-gradient(var(--yellow),var(--yellow)) 100% 0/28px 5px no-repeat,linear-gradient(var(--yellow),var(--yellow)) 100% 0/5px 28px no-repeat}
.buyer-site .qr-frame::after{transform:scaleY(-1)}
.buyer-site .qr-frame .wechat-pay-qr{margin:0;max-width:none;min-height:0}
.buyer-site .qr-frame svg{display:block;width:100%;height:auto;border:2px solid var(--ink);border-radius:10px}

/* ───── 出卡中：小票打印机 ───── */
.buyer-site .printer{position:relative;width:min(440px,100%);margin:14px auto 0}
.buyer-site .slot{height:26px;border-radius:12px;background:var(--ink);box-shadow:0 6px 0 var(--ink-2);position:relative;z-index:2}
.buyer-site .slot::after{content:"";position:absolute;left:24px;right:24px;top:10px;height:6px;border-radius:4px;background:#050c18}
.buyer-site .printing{margin:-8px 22px 0;position:relative;z-index:1;animation:bp-feed 2.6s cubic-bezier(.3,.7,.3,1) infinite alternate}
.buyer-site .printing .paper{padding:22px 22px 28px}
.buyer-site .pline{display:flex;align-items:center;gap:10px;font-size:14.5px;padding:6px 0;min-width:0}
.buyer-site .pline .val{margin-left:auto;font-family:var(--mono);font-weight:800;font-size:13px;white-space:nowrap;max-width:58%;overflow:hidden;text-overflow:ellipsis}
.buyer-site .pline.is-wait{color:var(--muted)}
.buyer-site .mk{width:22px;height:22px;border-radius:6px;display:grid;place-items:center;font-size:12px;font-weight:900;flex:none;font-family:var(--mono)}
.buyer-site .mk.ok{background:var(--green-bg);color:var(--green)}
.buyer-site .mk.run{background:var(--ink);color:var(--yellow)}
.buyer-site .mk.run::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--yellow);animation:bp-blink 1s infinite}
.buyer-site .mk.wait{border:1.5px dashed var(--line);color:var(--muted)}
.buyer-site .dots::after{content:"";display:inline-block;width:1.4em;text-align:left;animation:bp-dots 1.4s steps(4) infinite}

/* ───── 卡密票根 ───── */
.buyer-site .stub{position:relative;background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:22px 24px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;grid-template-areas:"main stamp side";gap:18px;align-items:center}
.buyer-site .stub-main{grid-area:main;min-width:0}
.buyer-site .stub-label{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:#9fb0c9;margin-bottom:4px}
.buyer-site .stub-code{font-family:var(--mono);font-size:clamp(19px,2.3vw,26px);font-weight:800;letter-spacing:.08em;color:var(--yellow);overflow-wrap:anywhere;line-height:1.35}
.buyer-site .stub-acts{margin-top:12px}
/* 「已出卡」浮起的贴章：骑在票根上边缘、撕口虚线左侧，章心在边缘下 6px。
   实心薄荷绿底 + 墨色描边和虚线内圈，纸面和深色票根上都醒目；黄色硬阴影（首页按钮同款）+ 柔和投影做出浮层感；出现时盖章落下。 */
.buyer-site .stub .stamp{grid-area:stamp;align-self:start;margin:-66px -2px 0 0;position:relative;z-index:2;width:100px;height:100px;color:var(--ink);background:var(--mint);border:2.5px solid var(--ink);
  box-shadow:4px 5px 0 var(--yellow),0 16px 30px -8px rgba(11,24,48,.55);transform:rotate(-12deg);opacity:1;animation:bp-stamp .5s cubic-bezier(.2,.9,.3,1.25) .15s both}
.buyer-site .stub .stamp::before{content:"";position:absolute;inset:5px;border:1.5px dashed rgba(11,24,48,.55);border-radius:50%}
.buyer-site .stub .stamp span{position:relative;font-size:19px;letter-spacing:.16em;padding-left:.16em;font-weight:900}
.buyer-site .stub-side{grid-area:side;position:relative;border-left:2px dashed rgba(255,255,255,.25);display:grid;gap:8px;justify-items:center;align-content:center;text-align:center;font-size:12.5px;color:#c9d3e2;min-width:96px;
  /* 撑满票根高度，撕口才能咬在上下边缘；style.css 的旧 .handoff-wait 底色一并清掉 */
  align-self:stretch;margin:-22px 0;padding:22px 0 22px 18px;max-width:220px;background:none;border-radius:0}
/* 票根的两个撕口：半圆咬在票根上下边缘（票根不裁切溢出，章才能露出上边缘，所以撕口直接画成半圆） */
.buyer-site .stub-side::before,.buyer-site .stub-side::after{content:"";position:absolute;left:-12px;width:22px;height:11px;background:var(--paper)}
.buyer-site .stub-side::before{top:0;border-radius:0 0 11px 11px}.buyer-site .stub-side::after{bottom:0;border-radius:11px 11px 0 0}
.buyer-site .ring{position:relative;width:58px;height:58px}
.buyer-site .ring svg{position:absolute;inset:0;transform:rotate(-90deg)}
.buyer-site .ring circle{fill:none;stroke-width:6}
.buyer-site .ring .ring-bg{stroke:rgba(255,255,255,.14)}
.buyer-site .ring .ring-fg{stroke:var(--yellow);stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:0;animation:bp-drain 3s linear forwards}
.buyer-site .ring .handoff-count{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--mono);font-size:20px;font-weight:800;color:var(--yellow)}
/* 多张卡密：紧凑票根 */
.buyer-site .stub.is-row{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"main acts";padding:16px 18px;gap:12px;margin-bottom:12px}
.buyer-site .stub.is-row .stub-code{font-size:clamp(16px,1.8vw,20px)}
.buyer-site .stub.is-row .stub-acts{grid-area:acts;margin:0;display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.buyer-site .stub-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:8px;font-size:12.5px;color:#c9d3e2}
.buyer-site .stub-meta a{color:var(--yellow);text-decoration:underline;text-underline-offset:3px}
.buyer-site .stub-meta .chip{height:22px;font-size:12px}

/* ───── 客服卡（首页常见问题客服卡同款） ───── */
.buyer-site .contact-card{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);padding:18px;box-shadow:5px 5px 0 var(--yellow);display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;margin:18px 0 6px}
.buyer-site .contact-card .qr-list{display:flex;gap:10px;flex-wrap:wrap}
.buyer-site .contact-card img{width:128px;height:128px;object-fit:contain;background:#fff;border:1.5px solid var(--ink);border-radius:10px;padding:5px}
.buyer-site .contact-card h3{font-size:17px;font-weight:900}
.buyer-site .contact-card p{font-size:13.5px;color:var(--ink-2);margin-top:4px}
.buyer-site .ref{font-family:var(--mono);font-size:12.5px;background:var(--paper-2);padding:2px 7px;border-radius:5px;overflow-wrap:anywhere}

/* ───── 页面布局 ───── */
.buyer-site .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start}
.buyer-site .split.is-query{grid-template-columns:.8fr 1.2fr}
.buyer-site .narrow{max-width:720px;margin-inline:auto}
.buyer-site .summary-line{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 0;margin:10px 0 16px;border-block:2px dashed var(--line);font-weight:700}
.buyer-site .summary-line strong{font-family:var(--mono);font-size:20px}
.buyer-site .order-row{display:grid;grid-template-columns:1fr auto;gap:8px 16px;align-items:center;padding:16px 0;border-bottom:2px dashed var(--line)}
.buyer-site .order-row:last-child{border-bottom:0}
.buyer-site .order-row h3{font-size:16px;font-weight:800}
.buyer-site .order-row .meta{font-family:var(--mono);font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.buyer-site .order-row .amt{font-family:var(--mono);font-size:20px;font-weight:800;text-align:right}
.buyer-site .order-row .acts{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.buyer-site .order-row .stub{grid-column:1/-1;margin:4px 0 0}
.buyer-site .sec-block{margin-top:26px}
.buyer-site .notes{margin-top:12px;display:grid;gap:8px}
.buyer-site .notes div{background:var(--paper);border-radius:10px;padding:10px 12px;font-size:13.5px;white-space:pre-wrap}
.buyer-site .notes span{display:block;font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-top:2px}
.buyer-site .empty-note{border:2px dashed var(--line);border-radius:var(--radius);padding:36px 20px;text-align:center;color:var(--muted);background:rgba(255,253,247,.6)}
.buyer-site .loading{padding:70px;text-align:center;color:var(--muted)}
.buyer-site #toast{background:var(--ink);color:var(--paper);border-radius:12px;box-shadow:4px 4px 0 var(--yellow)}

@keyframes bp-blink{50%{opacity:.35}}
@keyframes bp-dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}
@keyframes bp-feed{from{transform:translateY(-10px)}to{transform:translateY(0)}}
@keyframes bp-drain{to{stroke-dashoffset:100}}
@keyframes bp-stamp{from{opacity:0;transform:rotate(-24deg) scale(1.7);box-shadow:0 0 0 var(--yellow),0 40px 50px -10px rgba(11,24,48,0)}to{opacity:1;transform:rotate(-12deg) scale(1)}}

@media (max-width:980px){
  .buyer-site .nav-links{display:none}
  .buyer-site .split,.buyer-site .split.is-query{grid-template-columns:minmax(0,1fr)}
  .buyer-site .footer-inner{grid-template-columns:1fr}
  .buyer-site .footer-links{justify-content:flex-start;flex-wrap:wrap;gap:10px 20px}
}
@media (max-width:640px){
  .buyer-site .wrap{width:calc(100% - 32px)}
  .buyer-site .nav{height:58px}
  .buyer-site .bp-main{padding:14px 0 56px}
  .buyer-site .pg-title{font-size:26px}
  .buyer-site .rail{margin:8px 0 22px}
  .buyer-site .rail li{flex-direction:column;justify-content:center;text-align:center;gap:5px;padding:9px 4px;font-size:12.5px}
  .buyer-site .rail .n{width:26px;height:26px;font-size:13px}
  .buyer-site .rail small{display:none}
  .buyer-site .price-tag{padding:22px 20px 18px}
  .buyer-site .tag-price strong{font-size:46px}
  .buyer-site .fm{padding:20px 18px}
  .buyer-site .payment-choices{grid-template-columns:1fr}
  .buyer-site .paper{padding:26px 20px 30px}
  /* 下单按钮贴在屏幕底部：合计 + 黄色按钮 */
  .buyer-site .buy-bar{position:sticky;bottom:10px;z-index:5;grid-template-columns:1fr 1.35fr;align-items:center;gap:8px;margin:14px -8px -8px;padding:8px;border:0;border-radius:16px;background:rgba(11,24,48,.95);box-shadow:0 12px 30px -10px rgba(11,24,48,.6)}
  .buyer-site .buy-total{display:grid;gap:0;padding-left:8px;color:var(--paper)}
  .buyer-site .buy-total span{font-size:11px;font-weight:600;color:#9fb0c9}
  .buyer-site .buy-total strong{font-size:20px}
  .buyer-site .buy-bar .bt-solid,.buyer-site .buy-bar .bt-solid:hover{background:var(--yellow);color:var(--ink);border-color:var(--yellow);box-shadow:none;min-height:46px;font-size:15px;padding:0 10px;white-space:normal}
  /* 手机：撕口改成横向虚线、缺口移到左右边缘；章骑在票根上边缘右端 */
  .buyer-site .stub{grid-template-columns:minmax(0,1fr);grid-template-areas:"main" "side";row-gap:14px}
  .buyer-site .stub-side{border-left:0;border-top:2px dashed rgba(255,255,255,.25);margin:0;padding:14px 0 0;min-width:0;max-width:none;grid-template-columns:auto 1fr;justify-items:start;align-items:center;text-align:left;align-self:stretch}
  .buyer-site .stub-side::before,.buyer-site .stub-side::after{top:-12px;bottom:auto;width:11px;height:22px}
  .buyer-site .stub-side::before{left:-24px;border-radius:0 11px 11px 0}
  .buyer-site .stub-side::after{left:auto;right:-24px;border-radius:11px 0 0 11px}
  .buyer-site .stub .stamp{grid-area:main;justify-self:end;width:80px;height:80px;margin:-56px 10px 0 0;box-shadow:3px 4px 0 var(--yellow),0 12px 24px -8px rgba(11,24,48,.55)}
  .buyer-site .stub .stamp::before{inset:4px}
  .buyer-site .stub .stamp span{font-size:16px}
  .buyer-site .stub .stub-label{padding-right:96px;margin-bottom:8px}
  .buyer-site .stub-code{font-size:18px;letter-spacing:.05em}
  .buyer-site .stub.is-row{grid-template-columns:1fr;grid-template-areas:"main" "acts"}
  .buyer-site .stub.is-row .stub-acts{justify-content:flex-start}
  .buyer-site .contact-card{grid-template-columns:1fr;justify-items:center;text-align:center}
  .buyer-site .contact-card .qr-list{justify-content:center}
  .buyer-site .bt-row.stack-m{display:grid;grid-template-columns:1fr}
  .buyer-site .receipt>.stamp{right:-6px;top:-30px;width:88px;height:88px;background:radial-gradient(circle,transparent 34px,currentColor 34.5px 36px,transparent 36.5px)}
  .buyer-site .receipt>.stamp b{font-size:18px}
}
@media (prefers-reduced-motion:reduce){
  .buyer-site *,.buyer-site *::before,.buyer-site *::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important}
  .buyer-site .ring .ring-fg{animation:none}
}