:root {
  --payment-ink: #1c2c3a;
  --payment-muted: #606e71;
  --payment-paper: #f4f7fb;
  --payment-green: #23795d;
  --payment-green-dark: #173e33;
  --payment-green-soft: #e8f2ed;
  --payment-border: #e1e6e5;
  --payment-gold: #ebc17a;
  --payment-warning: #795723;
  --payment-white: #fff;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--payment-ink);
  background: var(--payment-paper);
  font-size: 16px;
  line-height: 1.6;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; min-width: 320px; }
[hidden] { display: none !important; }
a { color: inherit; text-underline-offset: 4px; }
button { font: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; }
button, a, summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
:is(button, a, summary):focus-visible { outline: 3px solid var(--payment-green); outline-offset: 4px; }
h1, h2, h3, h4, p { margin-top: 0; }
h2 { margin-bottom: 0; font-size: clamp(24px, 2.5vw, 30px); line-height: 1.4; letter-spacing: -.5px; }
.skip-link { position: absolute; top: -100px; left: 20px; padding: 12px 20px; z-index: 10; background: white; }
.skip-link:focus { top: 10px; }
.payment-header { min-height: 98px; padding: 16px max(24px, calc((100vw - 1180px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--payment-border); background: white; }
.payment-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.payment-brand img { border-radius: 10px; }
.payment-brand strong, .payment-brand small, .payment-version { display: block; }
.payment-brand strong { font-size: 20px; line-height: 1.25; letter-spacing: .3px; }
.payment-brand small { font-size: 10px; letter-spacing: 1.9px; margin-top: 4px; color: var(--payment-muted); }
.payment-version { min-height: 14px; font-size: 10px; color: var(--payment-muted); }
.payment-header nav { display: flex; gap: 32px; }
.payment-header nav a { display: flex; min-height: 44px; align-items: center; text-decoration: none; font-size: 14px; color: var(--payment-muted); }
.payment-header nav a[aria-current], .payment-header nav a:hover { color: var(--payment-green); }
.header-classroom { display: flex; gap: 24px; min-height: 44px; align-items: center; padding: 8px 17px; border: 1px solid var(--payment-border); border-radius: 6px; font-size: 13px; text-decoration: none; }
.header-classroom:hover { background: var(--payment-green-soft); }
main { width: min(1180px, calc(100% - 48px)); margin: auto; padding: 32px 0 56px; }
.payment-hero { display: grid; grid-template-columns: 1.22fr 1fr; border-radius: 12px; overflow: hidden; border: 1px solid var(--payment-border); background: var(--payment-white); }
.hero-copy { padding: 48px 42px 38px; }
.payment-eyebrow { margin: 0 0 14px; font-size: 11px; letter-spacing: 1.8px; font-weight: 650; color: var(--payment-green); }
.payment-hero h1 { font-size: clamp(30px, 3.2vw, 43px); line-height: 1.45; letter-spacing: -1.3px; margin-bottom: 20px; }
.payment-hero h1 span { color: var(--payment-green); }
.payment-lead { font-size: 14px; line-height: 1.9; color: var(--payment-muted); margin-bottom: 27px; }
.payment-button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 46px; padding: 11px 18px; border: 1px solid #b9cec5; border-radius: 6px; font-size: 14px; font-weight: 550; text-decoration: none; background: white; color: var(--payment-green-dark); transition: background .18s ease, border-color .18s ease; }
.payment-button:hover:not(:disabled) { background: var(--payment-green-soft); border-color: var(--payment-green); }
.payment-button--primary, .payment-plan-card.is-selected .payment-button { background: var(--payment-green); border-color: var(--payment-green); color: white; }
.payment-button--primary:hover:not(:disabled), .payment-plan-card.is-selected .payment-button:hover { background: var(--payment-green-dark); border-color: var(--payment-green-dark); }
.payment-button:disabled { background: #e5eae7; border-color: #d8dfda; color: #64716a; }
.full { width: 100%; }
.hero-action { gap: 40px; }
.hero-notes { display: flex; flex-wrap: wrap; gap: 12px 18px; margin-top: 26px; color: var(--payment-muted); font-size: 11px; }
.hero-image { position: relative; min-height: 370px; isolation: isolate; background: #142d2c; }
.hero-image > img { position: absolute; width: 100%; height: 100%; object-fit: cover; object-position: center 48%; z-index: -2; }
.hero-image::after { content: ""; position: absolute; inset: 0; background: rgb(10 27 27 / 25%); z-index: -1; }
.hero-image-caption { display: flex; flex-direction: column; justify-content: flex-end; height: 100%; padding: 32px; color: white; text-shadow: 0 2px 12px #000; }
.hero-image-caption > span { font-size: 12px; letter-spacing: 2px; color: #ffe1b0; margin-bottom: 8px; }
.hero-image-caption strong { font-size: 25px; line-height: 1.25; letter-spacing: 1px; }
.hero-image-caption small { margin-top: 18px; font-size: 11px; letter-spacing: 3px; }
.payment-notice { margin: 20px 0 0; padding: 12px 16px; display: flex; align-items: baseline; gap: 12px; background: #f5eee2; border: 1px solid #e7d9be; border-radius: 6px; color: var(--payment-warning); font-size: 12px; }
.payment-notice strong { flex-shrink: 0; }
.payment-section { margin-top: 48px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.section-heading .payment-eyebrow { margin-bottom: 8px; }
.section-heading > p { margin: 0; font-size: 13px; color: var(--payment-muted); }
.payment-plan-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.payment-plan-card { padding: 25px 25px 22px; display: flex; flex-direction: column; border: 1px solid var(--payment-border); border-radius: 10px; background: white; transition: border-color .18s ease, box-shadow .18s ease; }
.payment-plan-card.is-selected { border-color: var(--payment-green); box-shadow: 0 0 0 1px var(--payment-green); }
.payment-plan-card--recommended { background: #f6faf7; }
.payment-plan-card--live { color: #eef5ff; background: #0a111f; border-color: #2456a8; box-shadow: inset 0 0 0 1px #163867, 0 14px 30px rgb(8 18 37 / 14%); }
.payment-plan-card--live.is-selected { border-color: #60a5fa; box-shadow: inset 0 0 0 1px #60a5fa, 0 0 0 3px rgb(37 99 235 / 18%); }
.payment-plan-card--live .payment-plan-topline { color: #82b7ff; }
.payment-plan-card--live .recommended-label { color: #dbeafe; background: #173b70; }
.payment-plan-card--live .payment-plan-description { color: #a9b9d2; }
.payment-plan-card--live .payment-price > small { color: #fcd34d; }
.payment-plan-card--live .payment-delivery,
.payment-plan-card--live .payment-delivery > span { color: #ffd166; }
.payment-plan-card--live h3,
.payment-plan-card--live .payment-price { color: #eef5ff; }
.payment-plan-card--live ul { border-top-color: #203451; color: #dbeafe; }
.payment-plan-card--live li::marker { color: #60a5fa; }
.payment-plan-card--live .payment-delivery { border-top-color: #203451; }
.payment-plan-card--live .payment-button,
.payment-plan-card--live.is-selected .payment-button { color: white; background: #2563eb; border-color: #60a5fa; }
.payment-plan-card--live .payment-button:hover:not(:disabled),
.payment-plan-card--live.is-selected .payment-button:hover:not(:disabled) { background: #1d4ed8; border-color: #93c5fd; }
.payment-plan-topline { display: flex; min-height: 27px; justify-content: space-between; align-items: center; gap: 6px; color: var(--payment-green); font-size: 11px; letter-spacing: .5px; }
.recommended-label { background: var(--payment-green-soft); border-radius: 4px; padding: 3px 8px; white-space: nowrap; }
.payment-plan-card h3 { font-size: 22px; line-height: 1.4; margin: 20px 0 12px; overflow-wrap: anywhere; }
.payment-plan-description { font-size: 13px; line-height: 1.85; color: var(--payment-muted); margin-bottom: 20px; }
.payment-price { display: flex; flex-wrap: wrap; gap: 3px; align-items: baseline; font-size: 38px; line-height: 1.25; font-weight: 650; letter-spacing: -1px; font-variant-numeric: tabular-nums; margin: auto 0 24px; }
.payment-price > span { font-size: 20px; font-weight: 500; margin-right: 4px; }
.payment-price > small { font-size: 12px; font-weight: 400; color: var(--payment-muted); letter-spacing: 0; margin-left: 7px; }
.payment-plan-card ul { display: grid; gap: 10px; list-style: disc; padding: 20px 0 0 17px; margin: 0; border-top: 1px solid var(--payment-border); font-size: 13px; color: #3f5550; }
.payment-plan-card li::marker { color: var(--payment-green); }
.payment-delivery { display: grid; gap: 4px; margin: 20px 0; padding-top: 16px; border-top: 1px dashed var(--payment-border); font-size: 12px; }
.payment-delivery > span { color: var(--payment-muted); font-size: 11px; }
.section-footnote { margin: 16px 0 0; font-size: 12px; color: var(--payment-muted); }
.payment-empty { grid-column: 1 / -1; margin: 0; padding: 40px 20px; text-align: center; border: 1px dashed var(--payment-border); border-radius: 8px; background: white; color: var(--payment-muted); }
.checkout-section { margin-top: 48px; display: grid; grid-template-columns: .95fr 1fr; gap: 56px; align-items: start; padding: 30px; border: 1px solid #cfe4df; background: linear-gradient(135deg, #edf6f0 0%, #edf5ff 100%); border-radius: 12px; }
.checkout-section:focus { outline: none; }
.checkout-section:focus-visible { outline: 3px solid var(--payment-green); outline-offset: 4px; }
.checkout-copy { padding: 6px 0; }
.checkout-copy h2 { font-size: 32px; }
.section-description { margin: 16px 0 28px; max-width: 350px; font-size: 14px; color: var(--payment-muted); line-height: 1.8; }
.checkout-steps { display: grid; gap: 16px; padding: 0; margin: 0; list-style: none; }
.checkout-steps li { display: flex; align-items: baseline; gap: 20px; }
.checkout-steps li > span { color: var(--payment-green); font-size: 12px; font-variant-numeric: tabular-nums; }
.checkout-steps strong { font-size: 14px; font-weight: 600; }
.checkout-steps p { font-size: 12px; color: var(--payment-muted); margin: 5px 0 0; }
.checkout-safety { margin: 20px 0 0; font-size: 11px; color: var(--payment-muted); }
.checkout-card { padding: 20px; min-width: 0; background: white; border: 1px solid #cfe3fa; border-radius: 9px; box-shadow: 0 8px 24px rgb(24 62 51 / 8%); }
.checkout-card-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; border-bottom: 1px solid var(--payment-border); padding-bottom: 12px; }
.checkout-card-heading h3 { margin: 0; font-size: 15px; }
.status-badge { font-size: 11px; color: var(--payment-warning); background: #f6efdf; padding: 3px 9px; border-radius: 4px; }
.summary-product { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 14px; }
.summary-product p { font-size: 11px; color: var(--payment-muted); margin-bottom: 5px; }
.summary-product h4 { font-size: 16px; margin: 0; overflow-wrap: anywhere; }
.summary-product > strong { white-space: nowrap; font-size: 27px; color: var(--payment-green-dark); font-weight: 600; font-variant-numeric: tabular-nums; }
.summary-product small { font-size: 15px; padding-right: 3px; }
.summary-delivery { font-size: 11px; color: var(--payment-muted); margin: 9px 0 0; }
.checkout-code-layout { display: flex; align-items: center; gap: 14px; padding-top: 14px; }
.qr-frame { position: relative; display: grid; place-items: center; width: 140px; height: 140px; flex-shrink: 0; border: 1px solid var(--payment-border); border-radius: 6px; background: white; overflow: hidden; }
.qr-frame img { display: block; width: 100%; height: 100%; }
.qr-frame.is-payment-pending img { opacity: .76; filter: saturate(.72); }
.qr-frame::after { content: attr(data-tooltip); position: absolute; right: 7px; bottom: 7px; left: 7px; padding: 5px 7px; border-radius: 4px; color: #9a3412; background: rgb(255 247 237 / 96%); font-size: 10px; line-height: 1.35; text-align: center; opacity: 0; transform: translateY(4px); pointer-events: none; transition: opacity .18s ease, transform .18s ease; }
.qr-frame:hover::after, .qr-frame:focus-visible::after { opacity: 1; transform: translateY(0); }
.qr-pending-label { position: absolute; top: 7px; left: 7px; z-index: 1; padding: 3px 6px; border-radius: 4px; color: #9a3412; background: #fff7ed; font-size: 10px; line-height: 1.2; white-space: nowrap; }
.qr-frame p { padding: 16px; margin: 0; text-align: center; color: var(--payment-muted); font-size: 12px; }
.qr-copy strong { font-size: 13px; }
.qr-copy p { font-size: 12px; color: var(--payment-muted); margin: 6px 0 0; line-height: 1.65; }
.qr-copy b { color: var(--payment-warning); font-weight: 500; }
.text-button { min-height: 44px; padding: 8px 0; border: 0; color: var(--payment-green); background: transparent; font-size: 12px; text-decoration: underline; text-underline-offset: 4px; }
.text-button:disabled { color: var(--payment-muted); text-decoration: none; }
.local-entry-note { padding: 8px 12px; border-radius: 4px; font-size: 11px; color: var(--payment-warning); background: #faf5ea; margin: 10px 0 0; }
.checkout-feedback { font-size: 12px; color: var(--payment-green); margin: 8px 0 0; }
.checkout-feedback:empty { display: none; }
.entry-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; color: var(--payment-green); }
.payment-channel { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px solid var(--payment-border); margin-top: 2px; font-size: 12px; }
.payment-channel > span { color: var(--payment-muted); }
.payment-channel strong { font-weight: 500; }
.checkout-disclaimer { margin: 10px 0 0; padding-top: 10px; border-top: 1px dashed #dce6ee; font-size: 11px; color: var(--payment-muted); line-height: 1.65; }
.checkout-disclaimer strong { color: var(--payment-ink); }
.checkout-disclaimer a { color: var(--payment-green); }
.checkout-error { color: #a33a33; margin: 18px 0 0; font-size: 14px; }
.muted { color: var(--payment-muted); font-size: 14px; margin: 20px 0 0; }
.learning-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; padding: 24px; border: 1px solid #cfe3fa; border-radius: 12px; background: #eef7ff; }
.learning-grid article + article { padding-left: 30px; border-left: 1px solid var(--payment-border); }
.learning-number { font-size: 11px; color: var(--payment-green); letter-spacing: 1px; }
#learning .payment-eyebrow, #learning .learning-number { color: #2563eb; }
.learning-grid h3 { margin: 14px 0 10px; font-size: 18px; font-weight: 600; }
.learning-grid p, .service-notices p { color: var(--payment-muted); font-size: 13px; line-height: 1.9; margin: 0; }
.section-tag { padding: 5px 12px; background: var(--payment-green-soft); color: var(--payment-green); font-size: 12px; border-radius: 4px; }
.service-notices { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.service-notices article { border: 1px solid var(--payment-border); border-radius: 8px; padding: 22px; }
.service-notices article:nth-child(1) { background: #eff6ff; border-color: #bfdbfe; }
.service-notices article:nth-child(2) { background: #fffbeb; border-color: #fde68a; }
.service-notices article:nth-child(3) { background: #fff1f2; border-color: #fecdd3; }
#order-notice .payment-eyebrow { color: #c2410c; }
.service-notices h3 { font-size: 15px; margin-bottom: 13px; }
.faq-section { margin-top: 56px; display: grid; grid-template-columns: .8fr 1.5fr; gap: 64px; padding: 28px; border: 1px solid #ddd6fe; border-radius: 14px; background: #f5f3ff; }
#questions .payment-eyebrow { color: #7c3aed; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; margin-top: 20px; font-size: 13px; color: var(--payment-green); }
.faq-list details { border-bottom: 1px solid var(--payment-border); }
.faq-list details:first-child { border-top: 1px solid var(--payment-border); }
.faq-list summary { cursor: pointer; padding: 20px 4px; font-size: 14px; font-weight: 550; }
.faq-list summary::marker { color: var(--payment-green); }
.faq-list p { color: var(--payment-muted); font-size: 13px; line-height: 1.9; margin: 0; padding: 0 4px 22px; }
.merchant-section { display: grid; grid-template-columns: .8fr 1.5fr; gap: 64px; margin-top: 48px; padding: 28px; border: 1px solid #bae6fd; border-radius: 12px; background: #f0f9ff; }
#merchant .payment-eyebrow { color: #0369a1; }
.merchant-section h2 { font-size: 22px; }
.merchant-section > div > p:last-child { font-size: 12px; color: var(--payment-muted); margin: 12px 0 0; }
.merchant-section dl { margin: 0; display: grid; gap: 12px; font-size: 12px; }
.merchant-section dl > div { display: grid; grid-template-columns: 90px 1fr; gap: 12px; }
.merchant-section dt { color: var(--payment-muted); }
.merchant-section dd { margin: 0; overflow-wrap: anywhere; }
.wecom-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 42px; align-items: center; margin-top: 20px; padding: 28px; border: 1px solid #a7f3d0; border-radius: 12px; background: linear-gradient(120deg, #ecfdf5 0%, #eff6ff 100%); }
#wecom .payment-eyebrow { color: #047857; }
.wecom-copy h2 { margin-bottom: 14px; font-size: 24px; }
.wecom-copy > p:not(.payment-eyebrow) { max-width: 500px; margin-bottom: 0; color: var(--payment-muted); font-size: 13px; line-height: 1.9; }
.wecom-copy .wecom-note { margin-top: 12px; font-size: 11px; }
.wecom-qr-card { display: flex; align-items: center; gap: 24px; padding: 18px 22px; border: 1px solid var(--payment-border); border-radius: 8px; background: white; }
.wecom-qr-image { display: block; width: 180px; flex-shrink: 0; padding: 8px; border: 1px solid var(--payment-border); border-radius: 6px; background: white; }
.wecom-qr-image img { display: block; width: 100%; height: auto; }
.wecom-qr-copy strong { font-size: 16px; }
.wecom-qr-copy p { margin: 8px 0 0; color: var(--payment-muted); font-size: 12px; line-height: 1.8; }
.payment-footer { display: flex; gap: 24px; align-items: center; justify-content: space-between; padding: 24px max(24px, calc((100vw - 1180px) / 2)); border-top: 1px solid var(--payment-border); background: white; }
.payment-footer > span { font-size: 15px; font-weight: 600; }
.payment-footer small { display: block; font-size: 9px; letter-spacing: 1.8px; color: var(--payment-muted); font-weight: 400; }
.payment-footer > p { margin: 0; font-size: 12px; color: var(--payment-muted); }
.payment-footer > div { display: flex; gap: 24px; }
.payment-footer a, .payment-footer button { display: inline-flex; align-items: center; min-height: 44px; padding: 0; font-size: 12px; text-decoration: none; background: none; border: 0; color: var(--payment-muted); }
dialog { width: min(560px, calc(100% - 32px)); max-height: calc(100dvh - 48px); overflow-y: auto; padding: 28px; border: 1px solid var(--payment-border); border-radius: 12px; color: var(--payment-ink); box-shadow: 0 20px 80px #10231d30; }
dialog::backdrop { background: rgb(12 30 25 / 50%); }
.dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.dialog-heading h2 { font-size: 21px; }
dialog p { font-size: 14px; color: var(--payment-muted); line-height: 1.9; }
dialog p:last-child { margin-bottom: 0; }
@media (max-width: 1000px) {
  .payment-header nav { gap: 18px; }
  .payment-plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-copy { padding: 36px 28px; }
  .payment-hero h1 { font-size: 33px; }
  .payment-plan-card { padding: 22px 18px; }
  .payment-plan-card h3 { font-size: 19px; }
  .payment-price { font-size: 32px; }
  .checkout-section { gap: 30px; padding: 28px; grid-template-columns: .8fr 1fr; }
  .checkout-code-layout { gap: 14px; }
  .qr-frame { width: 136px; height: 136px; }
  .faq-section, .merchant-section, .wecom-section { gap: 30px; }
}
@media (max-width: 760px) {
  .payment-header { padding: 14px 20px; min-height: 84px; }
  .payment-header nav { display: none; }
  .header-classroom { font-size: 12px; gap: 12px; }
  main { width: calc(100% - 32px); padding-top: 20px; }
  .payment-hero { grid-template-columns: 1fr; }
  .hero-copy { padding: 32px 24px; }
  .payment-hero h1 { font-size: clamp(28px, 5vw, 36px); }
  .payment-lead { font-size: 15px; }
  .hero-image { min-height: 230px; }
  .hero-image > img { object-position: center 47%; }
  .hero-image-caption { padding: 24px; }
  .hero-image-caption strong { font-size: 22px; }
  .payment-notice { display: block; }
  .payment-notice strong { display: block; margin-bottom: 3px; }
  .payment-section { margin-top: 38px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 8px; }
  .payment-plan-grid { grid-template-columns: 1fr; gap: 16px; }
  .payment-plan-card { padding: 25px; }
  .payment-plan-card h3 { font-size: 23px; margin-top: 14px; }
  .payment-plan-description { font-size: 15px; margin-bottom: 18px; }
  .payment-price { font-size: 38px; margin-bottom: 18px; }
  .payment-plan-card ul { font-size: 14px; }
  .checkout-section { grid-template-columns: 1fr; margin-top: 38px; padding: 24px 18px; gap: 28px; }
  .checkout-copy { padding: 0 6px; }
  .checkout-copy h2 { font-size: 28px; }
  .checkout-copy h2 br { display: none; }
  .section-description { max-width: none; font-size: 15px; margin-bottom: 24px; }
  .checkout-card { padding: 20px; }
  .checkout-code-layout { justify-content: center; gap: 20px; }
  .qr-frame { width: 150px; height: 150px; }
  .learning-grid, .service-notices, .faq-section, .merchant-section, .wecom-section { grid-template-columns: 1fr; }
  .learning-grid { gap: 24px; }
  .learning-grid article + article { padding: 24px 0 0; border-left: 0; border-top: 1px solid var(--payment-border); }
  .learning-grid p, .service-notices p, .faq-list p { font-size: 15px; }
  .faq-list summary { font-size: 16px; }
  .faq-section { gap: 22px; margin-top: 40px; }
  .merchant-section { padding: 24px; gap: 24px; margin-top: 36px; }
  .wecom-section { padding: 24px; gap: 22px; }
  .wecom-qr-card { justify-content: flex-start; }
  .payment-footer { flex-wrap: wrap; padding: 24px 20px; gap: 12px 24px; padding-bottom: max(24px, env(safe-area-inset-bottom)); }
  .payment-footer > div { width: 100%; justify-content: space-between; }
}
@media (max-width: 390px) {
  .payment-brand strong { font-size: 17px; }
  .payment-brand { gap: 8px; }
  .payment-brand img { width: 35px; height: 35px; }
  .header-classroom { padding: 8px 10px; }
  .hero-copy { padding: 28px 20px; }
  .hero-notes { gap: 10px; }
  .desktop-break { display: none; }
  .checkout-code-layout { flex-direction: column; gap: 12px; text-align: center; }
  .qr-frame { width: 184px; height: 184px; }
  .wecom-qr-card { flex-direction: column; text-align: center; }
  .summary-product { flex-wrap: wrap; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}