.commerce-page h1 { font-size: 44px; line-height: 1.35; }
.commerce-page nav button { padding: 0; font-size: 13px; }
.commerce-page nav a[aria-current="page"] { color: var(--accent); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.license-intro { padding: 64px 6% 48px; text-align: center; background: #edf0ed; border-bottom: 1px solid var(--line); }
.license-intro h1 { font: 56px Georgia, "SimSun", serif; margin: 20px 0 13px; }
.license-subtitle { font-size: 19px; }
.system-list { display: flex; justify-content: center; gap: 24px; margin: 23px 0; font-size: 12px; color: #555; }
.system-list span + span { border-left: 1px solid #bbb; padding-left: 24px; }
.license-summary { font-size: 14px; color: var(--muted); }
.license-cta { margin: 25px 0 14px; min-width: 225px; font-size: 14px; }
.transaction-note { font-size: 11px; color: var(--muted); max-width: 600px; margin: auto; }
.license-assurances { display: flex; flex-wrap: wrap; justify-content: center; gap: 32px; font-size: 11px; color: #666; margin-top: 30px; }
.license-assurances span::before { content: ""; display: inline-block; width: 5px; height: 5px; background: var(--accent); border-radius: 50%; margin-right: 9px; vertical-align: middle; }
.license-process { background: var(--white); }
.license-faq { border-top: 1px solid var(--line); }
.faq-layout { display: grid; grid-template-columns: 1fr 1.3fr; gap: 8%; }
.faq-layout > h2 { font-size: 33px; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 17px 0; }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { font-size: 14px; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font: 22px Arial; flex-shrink: 0; }
.faq-list details[open] summary::after { content: "-"; }
.faq-list details p { padding-top: 13px; font-size: 12px; line-height: 2; color: var(--muted); }
.faq-list details .text-link { margin-top: 10px; }
.license-support { display: flex; align-items: center; justify-content: space-between; padding: 32px 7%; background: #e4e4e4; gap: 20px; }
.license-support h2 { font-size: 28px; margin-top: 8px; }
.store-main { max-width: 1160px; margin: auto; padding: 24px 28px 0; }
.store-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 25px; margin-bottom: 18px; }
.store-heading h1 { font-size: 27px; margin: 8px 0 0; }
.store-heading-actions { display: flex; gap: 22px; flex-wrap: wrap; }
.purchase-notice { border: 1px solid #cdd9cf; border-left: 3px solid var(--accent); padding: 12px 18px; background: #edf1ed; margin-bottom: 20px; }
.purchase-notice h2 { font: 14px "Microsoft YaHei", sans-serif; margin-bottom: 6px; }
.purchase-notice p { font-size: 11px; color: #667069; line-height: 1.7; }
.purchase-notice a { font-size: 10px; border-bottom: 1px solid #8c9a8e; display: inline-block; margin-top: 7px; }
.catalog-toolbar { display: flex; gap: 20px; align-items: center; }
.search-field { position: relative; flex: 1; }
.search-field input { width: 100%; height: 43px; padding: 10px 40px 10px 14px; background: var(--white); border: 1px solid #ccc; border-radius: 4px; font: 12px "Microsoft YaHei", sans-serif; color: var(--ink); }
.search-field input::-webkit-search-cancel-button { display: none; }
.search-field button { position: absolute; right: 5px; top: 5px; width: 33px; height: 33px; display: grid; place-items: center; padding: 0; }
.search-field button[hidden] { display: none; }
.sort-field { display: flex; gap: 10px; align-items: center; font-size: 11px; color: var(--muted); }
.sort-field select { height: 43px; padding: 8px 26px 8px 10px; border: 1px solid #ccc; border-radius: 4px; background: var(--white); font: 11px "Microsoft YaHei", sans-serif; color: var(--ink); max-width: 160px; }
.catalog-meta { display: flex; gap: 15px; align-items: center; margin: 17px 0; font-size: 11px; color: var(--muted); }
.catalog-meta > span { color: var(--accent); }
.catalog-meta small { margin-left: auto; font-size: 9px; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.product-card { border: 1px solid #d2d2d2; border-radius: 6px; overflow: hidden; background: var(--white); }
.product-card[hidden] { display: none; }
.product-art { display: block; padding: 0; width: 100%; position: relative; aspect-ratio: 2 / 1; background: #e6e8e6; overflow: hidden; }
.product-art img { width: 100%; height: 100%; object-fit: contain; transition: transform .3s; }
.product-art:hover img { transform: scale(1.025); }
.product-art > span { position: absolute; left: 12px; bottom: 10px; padding: 3px 7px; font-size: 8px; background: #fafafaed; color: #4a4a4a; }
.product-info { padding: 19px 19px 20px; }
.product-title { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.product-title h2 { font-size: 23px; }
.plan-tag { background: #eee; font-size: 9px; color: #6c6c6c; padding: 2px 7px; }
.tag-green { background: #e5ede6; color: var(--accent); }
.product-info > p { font-size: 10px; color: var(--muted); margin-top: 6px; }
.product-info > p:not(.product-duration) { display: none; }
.product-info .product-duration { margin-top: 9px; color: #555; }
.product-price { display: flex; gap: 8px; align-items: baseline; margin-top: 16px; }
.product-price strong { font: 34px Georgia, serif; }
.product-price strong span { font-size: 18px; }
.product-price small { color: var(--muted); font-size: 10px; }
.product-info ul { list-style: none; padding: 0; margin: 15px 0 20px; font-size: 11px; line-height: 2.15; color: #6c6c6c; }
.product-info li::before { content: "/"; margin-right: 10px; color: #a0a0a0; }
.product-select { width: 100%; }
.catalog-empty { padding: 65px 20px; text-align: center; background: var(--white); border-top: 1px solid var(--line); }
.catalog-empty h2 { font-size: 25px; }
.catalog-empty p { font-size: 12px; color: var(--muted); margin: 15px 0; }
.store-faq { margin-top: 50px; padding: 36px 0; border-top: 1px solid var(--line); }
.store-contact { display: flex; flex-wrap: wrap; gap: 25px; padding: 24px 0; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.store-contact a { color: var(--ink); }
.commerce-page footer { margin-top: 24px; border-top: 1px solid var(--line); }
.commerce-dialog { width: min(930px, 94vw); padding: 25px; border-radius: 6px; }
[data-close-commerce] { display: grid; place-items: center; padding: 8px; min-width: 40px; height: 40px; }
.product-detail { display: grid; grid-template-columns: .85fr 1.15fr; gap: 30px; }
.detail-visual { background: #efefef; display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 0; }
.detail-visual img { width: 100%; }
.detail-visual span { font-size: 9px; color: #888; margin: 20px 0; }
.detail-copy h2 { font-size: 33px; margin-top: 9px; }
#detail-duration { font-size: 12px; color: var(--muted); margin-top: 5px; }
.detail-price { font: 38px Georgia, serif; margin: 16px 0 20px; }
.detail-specs { margin: 0; font-size: 11px; }
.detail-specs > div { display: flex; justify-content: space-between; gap: 15px; border-bottom: 1px solid var(--line); padding: 9px 0; }
.detail-specs dt { color: var(--muted); flex-shrink: 0; }
.detail-specs dd { margin: 0; text-align: right; }
.checkout-disclosure { font-size: 11px; color: #6e716e; background: #edf1ed; padding: 12px; margin-top: 17px; line-height: 1.9; }
.purchase-agreement { display: flex; align-items: flex-start; gap: 9px; margin: 18px 0; font-size: 10px; color: var(--muted); line-height: 1.9; cursor: pointer; }
.purchase-agreement input { accent-color: var(--accent); margin: 4px 0 0; flex-shrink: 0; width: 15px; height: 15px; }
.checkout-button { width: 100%; }
#checkout-label { font-size: 12px; line-height: 1.8; }
.checkout-button:disabled { background: #c7c7c7; border-color: #c7c7c7; color: #fafafa; cursor: not-allowed; }
.detail-payment-note { font-size: 10px; color: #838383; margin-top: 12px; line-height: 1.9; }
.orders-dialog { max-width: 510px; border-radius: 6px; padding: 24px; }
.orders-dialog > p { font-size: 13px; color: var(--muted); }
.orders-dialog ol { font-size: 12px; padding-left: 20px; line-height: 2.5; margin: 20px 0; }
.orders-dialog .button { width: 100%; }
.orders-dialog .detail-payment-note { font-size: 10px; }
@media(max-width:1050px) {
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media(max-width:900px) {
  .product-grid { gap: 14px; }
  .product-info { padding: 15px; }
  .product-title h2 { font-size: 20px; }
  .product-title { gap: 6px; }
  .product-detail { gap: 22px; }
}
@media(max-width:700px) {
  .license-intro { padding: 44px 6% 35px; }
  .license-intro h1 { font-size: 42px; }
  .license-subtitle { font-size: 16px; }
  .system-list { font-size: 10px; gap: 14px; }
  .system-list span + span { padding-left: 14px; }
  .license-summary { font-size: 12px; }
  .license-assurances { gap: 12px 20px; font-size: 10px; }
  .transaction-note { font-size: 10px; }
  .license-process .steps p { font-size: 12px; }
  .faq-layout { grid-template-columns: 1fr; gap: 25px; }
  .faq-layout > h2 { font-size: 28px; }
  .license-support { padding: 28px 6%; align-items: flex-start; flex-direction: column; }
  .license-support h2 { font-size: 25px; }
  .store-main { padding: 28px 6% 0; }
  .store-heading { align-items: flex-start; flex-direction: column; gap: 16px; }
  .store-heading h1 { font-size: 27px; }
  .purchase-notice { padding: 14px 16px; }
  .catalog-toolbar { gap: 12px; flex-wrap: wrap; }
  .search-field { flex-basis: 100%; }
  .sort-field { margin-left: auto; }
  .catalog-meta { flex-wrap: wrap; gap: 7px 15px; margin-top: 13px; }
  .catalog-meta small { flex-basis: 100%; margin-left: 0; }
  .product-grid { grid-template-columns: 1fr; gap: 22px; }
  .product-info { padding: 20px; }
  .product-title h2 { font-size: 24px; }
  .product-price strong { font-size: 38px; }
  .product-info > p { font-size: 12px; }
  .store-contact { gap: 15px; }
  .store-faq { margin-top: 35px; }
  .commerce-dialog { padding: 16px; }
  .product-detail { grid-template-columns: 1fr; gap: 20px; }
  .detail-visual { display: none; }
  .detail-copy h2 { font-size: 29px; }
  .purchase-agreement { font-size: 11px; }
  .detail-specs { font-size: 11px; }
  .orders-dialog { padding: 18px; }
}
@media(prefers-reduced-motion:reduce) { .product-art img { transition: none; } }