.purchase-page { display: grid; gap: 14px; }
.purchase-panel, .purchase-result, .payment-confirm-panel { border: 1px solid var(--line); border-radius: 8px; background: #faf9f5; box-shadow: 0 4px 24px rgb(0 0 0 / .05); }
.purchase-panel { padding: 24px; }
.purchase-panel-heading { margin-bottom: 22px; }
.purchase-kicker { display: block; margin-bottom: 7px; color: var(--accent-dark); font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.purchase-panel-heading h2, .purchase-result-heading h2, .payment-confirm-panel h1 { margin: 0; font-size: 24px; line-height: 1.25; }
.purchase-panel-heading p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.purchase-form { display: grid; gap: 22px; }
.purchase-form fieldset { margin: 0; padding: 0; border: 0; }
.purchase-form legend { margin-bottom: 9px; color: var(--ink-soft); font-size: 12px; font-weight: 800; }
.purchase-plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.purchase-plans input, .purchase-quantities input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.purchase-plans label { display: grid; grid-template-columns: max-content minmax(0, 1fr); min-height: 100px; padding: 13px; align-content: center; align-items: baseline; gap: 3px 5px; border: 1px solid var(--line); border-radius: 7px; background: #fffdfa; cursor: pointer; transition: border-color .16s ease, background .16s ease, transform .16s ease; }
.purchase-plans label:hover { border-color: var(--line-strong); transform: translateY(-1px); }
.purchase-plans input:checked + label { border-color: var(--accent); background: #fff5f0; box-shadow: inset 0 0 0 1px var(--accent); }
.purchase-plans input:focus-visible + label, .purchase-quantities input:focus-visible + label { box-shadow: 0 0 0 3px rgb(201 93 60 / .16); }
.purchase-plans label strong { color: var(--ink); font: 800 23px/1 var(--mono); }
.purchase-plans label span { color: var(--muted); font-size: 11px; }
.purchase-plans label b { grid-column: 1 / -1; margin-top: 5px; color: var(--accent-dark); font: 800 14px/1 var(--mono); }
.purchase-quantities { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.purchase-quantities label { display: grid; min-height: 70px; padding: 11px; place-content: center; gap: 5px; border: 1px solid var(--line); border-radius: 7px; background: #fffdfa; color: var(--ink-soft); text-align: center; cursor: pointer; transition: border-color .16s ease, background .16s ease, transform .16s ease; }
.purchase-quantities label:hover { border-color: var(--line-strong); transform: translateY(-1px); }
.purchase-quantities input:checked + label { border-color: var(--accent); background: #fff5f0; box-shadow: inset 0 0 0 1px var(--accent); }
.purchase-quantities label strong { color: var(--ink); font: 800 22px/1 var(--mono); }
.purchase-quantities label span { color: var(--muted); font-size: 11px; }
.purchase-stage[hidden], .purchase-submit[hidden] { display: none; }
.purchase-submit { display: flex; min-height: 58px; align-items: center; justify-content: space-between; gap: 16px; padding-top: 4px; border-top: 1px solid var(--line); }
.purchase-submit div { display: grid; gap: 3px; }
.purchase-submit small { color: var(--muted); font-size: 11px; }
.purchase-submit strong { color: var(--ink); font-size: 14px; }
.purchase-submit .button { display: inline-flex; gap: 8px; }
.purchase-disclaimer { margin: 16px 0 0; color: var(--meta); font-size: 11px; line-height: 1.6; text-align: center; }
.purchase-result { padding: 25px; }
.purchase-result-mark { display: grid; width: 44px; height: 44px; place-items: center; border-radius: 50%; background: #e4f2e9; color: var(--green); }
.purchase-result-heading { margin-top: 15px; }
.purchase-result-heading small { color: var(--green); font-size: 11px; font-weight: 800; }
.purchase-result-heading p { margin: 7px 0 0; color: var(--muted); font: 12px/1.5 var(--mono); }
.purchase-email-result { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 10px; margin-top: 22px; padding: 14px; border: 1px solid #c9ddcf; border-radius: 7px; background: #f4faf6; }
.purchase-email-result > div { display: grid; min-width: 0; gap: 6px; }
.purchase-email-result small { color: var(--muted); font-size: 11px; }
.purchase-email-result code { min-width: 0; overflow-wrap: anywhere; color: var(--ink); font-size: 13px; font-weight: 700; user-select: all; }
.purchase-email-status { padding: 4px 7px; border-radius: 4px; background: #dceee3; color: var(--green); font-size: 11px; font-weight: 800; white-space: nowrap; }
.purchase-result-note { margin: 14px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.purchase-again { width: 100%; margin-top: 20px; }
.payment-body { min-height: 100vh; }
.payment-shell { width: min(440px, calc(100% - 24px)); margin: 0 auto; padding: 34px 0; }
.payment-confirm-panel { padding: 26px; text-align: left; }
.payment-confirm-panel h1 { font-size: 24px; }
.payment-amount { margin: 15px 0; color: var(--accent-dark); font: 800 34px/1 var(--mono); }
.payment-order-summary { margin: 0 0 22px; border-bottom: 1px solid var(--line); }
.payment-order-summary div { display: flex; min-height: 43px; align-items: center; justify-content: space-between; gap: 16px; }
.payment-order-summary div[hidden] { display: none; }
.payment-order-summary div + div { border-top: 1px solid var(--line); }
.payment-order-summary dt { flex: 0 0 auto; color: var(--muted); font-size: 12px; }
.payment-order-summary dd { margin: 0; color: var(--ink); font-size: 13px; font-weight: 800; }
.payment-order-summary .payment-order-id { min-height: 54px; }
.payment-order-id dd { display: flex; min-width: 0; align-items: center; gap: 7px; }
.payment-order-id code { min-width: 0; padding: 5px 7px; border-radius: 4px; background: #fff5f0; color: var(--accent-dark); font-size: 11px; overflow-wrap: anywhere; user-select: all; }
.payment-order-copy { display: grid; width: 32px; height: 32px; padding: 0; flex: 0 0 32px; place-items: center; border: 0; border-radius: 5px; background: transparent; color: var(--accent-dark); }
.payment-order-copy:hover { background: #ffe8df; }
.payment-countdown { display: inline-block; min-width: 5ch; color: var(--accent-dark); font: 800 14px/1 var(--mono); text-align: right; }
.payment-order-discount dd { color: var(--green); }
.payment-order-summary .payment-order-total { min-height: 55px; }
.payment-order-total dd { color: var(--accent-dark); font: 800 24px/1 var(--mono); }
.payment-order-total dd small { margin-right: 2px; font-size: 13px; }
.payment-checkout-form { display: block; }
.payment-explain { margin: 14px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; text-align: center; }
.payment-confirm-button.button { width: 100%; min-height: 48px; justify-content: space-between; border-color: #1677ff; background: #1677ff; }
.payment-confirm-button.button:hover { border-color: #0869e8; background: #0869e8; }
.payment-confirm-label { display: inline-flex; align-items: center; gap: 9px; }
.payment-confirm-logo { display: grid; width: 28px; height: 28px; place-items: center; border-radius: 5px; background: #fff; }
.payment-confirm-logo img { display: block; width: 24px; height: 24px; }
.payment-confirm-button b { padding-left: 14px; border-left: 1px solid rgb(255 255 255 / .32); font: 800 14px/1 var(--mono); }
.payment-promotions { display: grid; margin-top: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.payment-discount { min-width: 0; }
.payment-discount [hidden] { display: none; }
.payment-discount-trigger.button { width: 100%; min-height: 58px; padding: 8px 10px; justify-content: flex-start; gap: 8px; border-color: #07c160; background: #07c160; color: #fff; box-shadow: 0 7px 18px rgb(7 193 96 / .18); }
.payment-discount-trigger.button:hover { border-color: #06ad56; background: #06ad56; }
.payment-discount-wechat-icon { display: grid; width: 28px; height: 28px; flex: 0 0 28px; place-items: center; border-radius: 5px; background: #fff; }
.payment-discount-wechat-icon img { display: block; width: 22px; height: 22px; }
.payment-discount-trigger > span, .payment-friend-trigger > span { display: grid; min-width: 0; gap: 3px; text-align: left; }
.payment-discount-trigger strong, .payment-friend-trigger strong { font-size: 12px; line-height: 1.2; }
.payment-discount-trigger small, .payment-friend-trigger small { overflow-wrap: anywhere; color: rgb(255 255 255 / .82); font-size: 9px; font-weight: 600; line-height: 1.3; }
.payment-discount-applied { display: grid; min-height: 58px; padding: 8px 10px; grid-template-columns: 1fr auto; align-items: center; gap: 2px 8px; border: 1px solid #b9d5c4; border-radius: 6px; background: #f2faf5; }
.payment-discount-applied span { color: var(--green); font-size: 12px; font-weight: 800; }
.payment-discount-applied strong { grid-row: 1 / 3; grid-column: 2; color: var(--green); font: 800 21px/1 var(--mono); }
.payment-discount-applied small { color: var(--muted); font-size: 9px; }
.payment-discount-dialog { width: min(380px, calc(100% - 24px)); max-width: none; max-height: calc(100dvh - 24px); padding: 24px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-strong); color: var(--ink); box-shadow: 0 24px 80px rgb(23 24 20 / .28); text-align: center; }
.payment-discount-dialog::backdrop { background: rgb(23 24 20 / .62); backdrop-filter: blur(3px); }
.payment-discount-close { position: absolute; top: 12px; right: 12px; display: grid; width: 34px; height: 34px; padding: 0; place-items: center; border: 0; border-radius: 5px; background: #f1f0eb; color: var(--muted); }
.payment-discount-dialog header { padding: 0 34px; }
.payment-discount-dialog h2 { margin: 0; font-size: 20px; line-height: 1.35; }
.payment-discount-dialog header p, .payment-discount-attempt > p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.payment-discount-account { color: var(--green); font-weight: 800; }
.payment-discount-loading, .payment-discount-qr { display: grid; width: min(220px, 100%); aspect-ratio: 1; margin: 20px auto 16px; place-items: center; overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: #f7f8f5; }
.payment-discount-loading { align-content: center; gap: 10px; color: var(--muted); font-size: 11px; }
.payment-discount-loading i { width: 28px; height: 28px; border: 3px solid #d8d8cf; border-top-color: var(--green); border-radius: 50%; animation: payment-spin .8s linear infinite; }
.payment-discount-qr img { display: block; width: 100%; height: 100%; object-fit: contain; }
.payment-discount-code { display: flex; min-height: 36px; align-items: center; justify-content: center; gap: 12px; }
.payment-discount-code span { color: var(--muted); font-size: 11px; }
.payment-discount-code strong { color: var(--ink); font: 800 24px/1 var(--mono); }
.payment-discount-retry { margin-top: 14px; }
.payment-friend { min-width: 0; }
.payment-friend-trigger.button { width: 100%; min-height: 58px; padding: 8px 10px; justify-content: flex-start; gap: 8px; border-color: #e5a238; background: #f2ac3d; color: #2d210e; box-shadow: 0 7px 18px rgb(209 137 28 / .16); }
.payment-friend-trigger.button:hover { border-color: #d79228; background: #e7a137; }
.payment-friend-icon { display: grid; width: 28px; height: 28px; flex: 0 0 28px; place-items: center; border-radius: 5px; background: rgb(255 255 255 / .72); color: #76500f; }
.payment-friend-trigger small { color: rgb(45 33 14 / .72); }
.payment-friend-dialog [hidden] { display: none; }
.payment-friend-loading { display: grid; min-height: 170px; place-content: center; gap: 12px; color: var(--muted); font-size: 11px; }
.payment-friend-loading i { width: 28px; height: 28px; margin: 0 auto; border: 3px solid #e5ded0; border-top-color: #d79228; border-radius: 50%; animation: payment-spin .8s linear infinite; }
.payment-friend-content { display: grid; gap: 14px; margin-top: 20px; }
.payment-friend-progress { display: grid; gap: 8px; padding: 14px; border: 1px solid #ead5ad; border-radius: 7px; background: #fff9ed; }
.payment-friend-progress strong { color: #8b5c11; font: 800 28px/1 var(--mono); }
.payment-friend-progress progress, .friend-help-progress { width: 100%; height: 8px; overflow: hidden; border: 0; border-radius: 4px; accent-color: #e5a238; }
.payment-friend-progress progress::-webkit-progress-bar, .friend-help-progress::-webkit-progress-bar { border-radius: 4px; background: #ddd9d1; }
.payment-friend-progress progress::-webkit-progress-value, .friend-help-progress::-webkit-progress-value { border-radius: 4px; background: #e5a238; }
.payment-friend-progress small { color: var(--muted); font-size: 11px; }
.payment-friend-link { display: grid; grid-template-columns: minmax(0, 1fr) 42px; overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.payment-friend-link input { min-width: 0; height: 42px; padding: 0 11px; border: 0; outline: 0; background: transparent; color: var(--ink-soft); font: 11px/1.2 var(--mono); }
.payment-friend-link button { display: grid; width: 42px; height: 42px; padding: 0; place-items: center; border: 0; border-left: 1px solid var(--line); background: #f6f4ef; color: #8b5c11; }
.payment-friend-share.button { width: 100%; border-color: #df9d34; background: #df9d34; color: #2d210e; }
.payment-friend-content > p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
.friend-help-body { min-height: 100vh; }
.friend-help-shell { width: min(420px, calc(100% - 24px)); margin: 0 auto; padding: 34px 0; }
.friend-help-panel { padding: 28px; border: 1px solid var(--line); border-radius: 8px; background: #faf9f5; box-shadow: 0 4px 24px rgb(0 0 0 / .05); text-align: center; }
.friend-help-mark { display: grid; width: 52px; height: 52px; margin: 0 auto; place-items: center; border-radius: 50%; background: #fff1d9; color: #b37416; }
.friend-help-panel h2 { margin: 15px 0 0; font-size: 23px; }
.friend-help-lead { margin: 8px 0 18px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.friend-help-lead strong, .friend-help-lead b { color: #9a6516; }
.friend-help-progress { display: block; height: 10px; margin-bottom: 20px; }
.friend-help-button.button { width: 100%; min-height: 48px; border-color: #df9d34; background: #df9d34; color: #2d210e; }
.friend-help-button.button:disabled { border-color: #ddd7cc; background: #e9e5dd; color: var(--muted); cursor: wait; }
.friend-help-panel.is-success .friend-help-button:disabled { border-color: #d99a35; background: #e5a238; color: #2d210e; cursor: default; }
.friend-help-panel.is-success .friend-help-note { color: #8b5c11; font-weight: 700; }
.friend-help-panel.is-error .friend-help-note { color: var(--red); }
.friend-help-note { min-height: 36px; margin: 12px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.friend-help-home.button { width: 100%; margin-top: 14px; }
.friend-help-home[hidden] { display: none; }
.payment-result-panel { text-align: center; }
.payment-result-panel h1 { margin: 15px 0 0; }
.payment-result-mark { display: grid; width: 44px; height: 44px; margin: 0 auto; place-items: center; border-radius: 50%; }
.payment-result-mark.pending { border: 3px solid #d8d2cb; border-top-color: var(--accent); animation: payment-spin .8s linear infinite; }
.payment-result-mark.error { background: #f8e9e5; color: var(--red); }
.payment-result-back { width: 100%; margin-top: 18px; }
.payment-confirm-panel--success h1 { margin-top: 15px; }
.payment-email { display: block; margin: 18px 0; padding: 12px; overflow-wrap: anywhere; border: 1px solid #c9ddcf; border-radius: 6px; background: #f4faf6; color: var(--ink); font-size: 13px; font-weight: 700; user-select: all; }
@keyframes payment-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .payment-result-mark.pending { animation: none; } }
@media (max-width: 480px) {
  .purchase-panel, .purchase-result, .payment-confirm-panel { padding: 18px; }
  .purchase-plans label { min-height: 88px; padding: 10px; }
  .purchase-plans label strong { font-size: 19px; }
  .purchase-quantities label { min-height: 64px; padding: 9px 6px; }
  .purchase-submit { align-items: stretch; flex-direction: column; }
  .purchase-submit .button { width: 100%; }
  .payment-confirm-panel { padding: 16px; }
  .payment-discount-trigger.button, .payment-friend-trigger.button { padding: 7px; gap: 6px; }
  .payment-discount-wechat-icon, .payment-friend-icon { width: 26px; height: 26px; flex-basis: 26px; }
}