/* XINFOK site template. Fixed: edited only on redesign, never per product. */
:root {
  --paper: #f5f6f4; --sheet: #ffffff; --ink: #1b2026; --ink-soft: #57606b; --rule: #d9ddde;
  --accent: #9a5800; --accent-ink: #ffffff; --err: #b42318; --focus: #1d5fd1;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --step--1: 0.8125rem; --step-0: 1rem; --step-1: 1.25rem; --step-2: 1.5rem; --step-3: 1.875rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --paper: #121518; --sheet: #1a1e22; --ink: #e8eaec; --ink-soft: #9aa3ad; --rule: #2e343a;
    --accent: #f0a73a; --accent-ink: #1b1306; --err: #ff8a7a; --focus: #7aa7ff; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); font-size: var(--step-0); line-height: 1.55;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
img { max-width: 100%; }
[hidden] { display: none !important; }
.wrap { max-width: 1160px; margin-inline: auto; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
h1, h2, h3 { text-wrap: balance; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: var(--sheet); padding: 6px 10px; z-index: 10; }

header.site { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-block: 14px; border-bottom: 2px solid var(--ink); }
.brand { display: grid; text-decoration: none; color: var(--ink); line-height: 1.25; }
.brand b { font-size: var(--step-1); font-weight: 800; letter-spacing: 0.06em; }
.brand svg { display: block; height: 28px; width: auto; }
nav.main { display: flex; gap: 8px 20px; align-items: center; flex-wrap: wrap; font-size: 0.9375rem; }
nav.main > a { color: var(--ink); text-decoration: none; }
nav.main > a[aria-current="page"] { font-weight: 700; text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 2px; }
.lang { display: flex; border: 1px solid var(--rule); border-radius: 3px; overflow: hidden; font-family: var(--font-mono); font-size: var(--step--1); }
.lang a { padding: 3px 8px; color: var(--ink-soft); text-decoration: none; }
.lang a[aria-current="true"] { background: var(--ink); color: var(--sheet); }
.crumbs { font-size: var(--step--1); color: var(--ink-soft); padding-block: 12px 0; }
.crumbs a { color: var(--ink-soft); }

.code { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-soft); letter-spacing: 0.02em; overflow-wrap: anywhere; }
.media { width: 100%; max-width: 600px; aspect-ratio: 1 / 1; background: var(--sheet); border: 1px solid var(--rule); display: grid; place-items: center; overflow: hidden; }
.media img { width: 100%; height: 100%; object-fit: contain; display: block; }
.btn { display: inline-block; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); border-radius: 3px; padding: 10px 20px; }
.btn.quiet { background: transparent; color: var(--ink); border-color: var(--ink); font-weight: 600; }
.btn[disabled] { opacity: .6; cursor: progress; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px 16px; flex-wrap: wrap; margin-bottom: 14px; }
.section-head h2 { font-size: var(--step-2); margin: 0; }
.section-head a { font-size: 0.9375rem; }
.page { padding-block: 24px 48px; display: grid; gap: 48px; }

.hero { display: grid; gap: 10px; padding-top: 16px; max-width: 46rem; }
.hero h1 { font-size: var(--step-3); line-height: 1.2; margin: 0; }
.hero p { margin: 0; color: var(--ink-soft); font-size: 1.0625rem; }
.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hero .actions { margin-top: 8px; }
.cats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.cat { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 16px; align-items: center; padding: 12px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 4px; color: var(--ink); text-decoration: none; }
.cat .media { border: 0; }
.cat h3 { margin: 0 0 4px; font-size: var(--step-1); }
.cat p { margin: 0; font-size: 0.9375rem; color: var(--ink-soft); }
.cat:hover h3 { text-decoration: underline; }
.where { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 16px 32px; align-items: start; }
@media (max-width: 860px) { .where { grid-template-columns: minmax(0, 1fr); } }
.photos { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 8px; }
.photos img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; border: 1px solid var(--rule); }
address { font-style: normal; display: grid; gap: 6px; font-size: 0.9375rem; }
address b { font-size: 1rem; }

.listhead { display: grid; gap: 6px; }
.listhead h1 { font-size: var(--step-3); margin: 0; }
.listhead p { margin: 0; color: var(--ink-soft); }
.catnav { display: flex; gap: 8px; flex-wrap: wrap; }
.catnav a { font-size: 0.9375rem; color: var(--ink); text-decoration: none; border: 1px solid var(--rule); background: var(--sheet); padding: 4px 12px; border-radius: 3px; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px 16px; list-style: none; margin: 0; padding: 0; }
@media (max-width: 860px) { .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } .ov .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 12px; } }
.card { display: grid; gap: 6px; align-content: start; color: var(--ink); text-decoration: none; min-width: 0; }
.card .media { max-width: none; }
.card h3 { margin: 4px 0 0; font-size: 1rem; font-weight: 600; line-height: 1.35;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; line-clamp: 2; overflow: hidden; min-height: 2.7em; }  /* 标题固定两行，超出省略号；编码、价格上下对齐 */
.card:hover h3 { text-decoration: underline; }
.card .code { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }  /* 编码固定一行，价格对齐；全码在商品页 */
@media (max-width: 600px) { .card .code { font-size: 0.75rem; letter-spacing: 0; } }
.price-s { font-variant-numeric: tabular-nums; font-size: 0.9375rem; }
.price-s span { color: var(--ink-soft); }
.card.find .media { border-style: dashed; background: transparent; }
.card.find .media div { display: grid; gap: 8px; padding: 16px; text-align: center; }
.card.find span { font-size: var(--step--1); color: var(--ink-soft); }
.count { font-size: var(--step--1); color: var(--ink-soft); }
.pager { display: flex; gap: 6px; flex-wrap: wrap; font-family: var(--font-mono); font-size: var(--step--1); }
.pager a, .pager span { padding: 4px 10px; border: 1px solid var(--rule); border-radius: 3px; text-decoration: none; color: var(--ink); }
.pager [aria-current="page"] { background: var(--ink); color: var(--sheet); border-color: var(--ink); }

.product { display: grid; grid-template-columns: minmax(0, 600px) minmax(0, 1fr); gap: 24px 48px; align-items: start; padding-block: 16px 40px; }
@media (max-width: 860px) { .product { grid-template-columns: minmax(0, 1fr); } }
.gallery { display: grid; gap: 10px; align-content: start; width: 100%; max-width: 600px; }
.thumbs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.thumbs button { aspect-ratio: 1 / 1; max-width: 100%; padding: 2px; cursor: pointer; background: var(--sheet); border: 1px solid var(--rule); border-radius: 0; }
.thumbs button img { width: 100%; height: 100%; object-fit: contain; display: block; }
.thumbs button[aria-current="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.buy { display: grid; gap: 16px; min-width: 0; }
.ident { display: grid; gap: 4px; }
.ident h1 { font-size: var(--step-3); font-weight: 700; line-height: 1.15; margin: 0; }
.alias { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: var(--step--1); color: var(--ink-soft); }
.alias code { font-family: var(--font-mono); color: var(--ink); background: var(--sheet); border: 1px solid var(--rule); padding: 0 7px; border-radius: 3px; }
.keyspec { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 16px; font-size: 0.9375rem; }
.keyspec dt { color: var(--ink-soft); }
.keyspec dd { margin: 0; font-family: var(--font-mono); font-size: 0.875rem; padding-top: 1px; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; color: var(--ink-soft); padding: 0; margin-bottom: 6px; }
.variants { display: flex; gap: 8px; flex-wrap: wrap; }
.variant { position: relative; }
.variant input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.variant label { display: block; cursor: pointer; padding: 6px 12px; border: 1px solid var(--rule); background: var(--sheet); border-radius: 3px; }
.variant input:checked + label { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.variant input:focus-visible + label { outline: 2px solid var(--focus); outline-offset: 2px; }
.price { display: grid; gap: 2px; padding-block: 12px; border-block: 1px solid var(--rule); }
.price .amount { display: flex; align-items: baseline; gap: 6px 10px; flex-wrap: wrap; }
.price strong { font-size: var(--step-2); font-weight: 700; font-variant-numeric: tabular-nums; }
.price .amount span { color: var(--ink-soft); font-size: 0.9375rem; }
.price p { margin: 0; font-size: var(--step--1); color: var(--ink-soft); }

.formcol { display: grid; gap: 10px; align-content: start; }
form.inquiry { display: grid; gap: 10px; padding: 16px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 4px; scroll-margin-top: 16px; }
form.inquiry h2 { margin: 0; font-size: var(--step-1); font-weight: 700; }
.field { display: grid; gap: 4px; }
.field label { font-size: 0.875rem; font-weight: 600; }
.field label em { font-style: normal; font-weight: 400; color: var(--ink-soft); }
.field input[type="text"], .field textarea { font: inherit; color: var(--ink); background: var(--paper); border: 1px solid var(--rule); border-radius: 3px; padding: 8px 10px; width: 100%; }
.field input[type="file"] { font: inherit; font-size: 0.875rem; color: var(--ink-soft); max-width: 100%; }
.field textarea { resize: vertical; }
.field [aria-invalid="true"] { border-color: var(--err); outline: 1px solid var(--err); }
.hint { font-size: var(--step--1); color: var(--ink-soft); margin: 0; }
.hint.err { color: var(--err); font-weight: 600; }
.files { margin: 0; padding: 0; list-style: none; font-size: var(--step--1); font-family: var(--font-mono); }
.cf-turnstile { min-height: 65px; }
.done { display: grid; gap: 6px; }
.done h2 { margin: 0; font-size: var(--step-1); }
.done p { margin: 0; }
details.how { font-size: 0.9375rem; border-top: 1px solid var(--rule); padding-top: 8px; }
details.how summary { cursor: pointer; font-weight: 600; padding-block: 4px; }
details.how ol { margin: 8px 0 0; padding-left: 1.25rem; display: grid; gap: 6px; }
details.how p { margin: 8px 0 0; color: var(--ink-soft); font-size: var(--step--1); }

.details { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px 48px; padding-block: 32px 48px; border-top: 1px solid var(--rule); }
@media (max-width: 860px) { .details { grid-template-columns: minmax(0, 1fr); } }
.details h2 { font-size: var(--step-1); margin: 0 0 10px; }
.details section { min-width: 0; }
.sheet { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
th, td { text-align: left; padding: 8px 12px 8px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { width: 40%; font-weight: 500; color: var(--ink-soft); }
td { font-family: var(--font-mono); font-size: 0.875rem; font-variant-numeric: tabular-nums; }
.prose p { margin: 0 0 12px; max-width: 65ch; }
.prose h2 { font-size: var(--step-1); margin: 28px 0 8px; }

.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 32px 48px; align-items: start; }
@media (max-width: 860px) { .about { grid-template-columns: minmax(0, 1fr); } }
.about h1 { font-size: var(--step-3); margin: 0 0 12px; }
.about h2 { font-size: var(--step-1); margin: 32px 0 10px; scroll-margin-top: 16px; }
.facts { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 8px 20px; font-size: 0.9375rem; }
.facts dt { color: var(--ink-soft); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.copyrow { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.copyrow button { font: inherit; font-size: var(--step--1); padding: 2px 8px; border: 1px solid var(--rule); background: var(--sheet); color: var(--ink); border-radius: 3px; cursor: pointer; }
.team { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(var(--cols, 3), minmax(0, 1fr)); gap: 24px 16px; max-width: 520px; }
@media (max-width: 380px) { .team { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.member { display: grid; justify-items: center; align-content: start; text-align: center; gap: 2px; min-width: 0; }
.member img { width: 120px; max-width: 100%; aspect-ratio: 1 / 1; border-radius: 50%; object-fit: cover; border: 1px solid var(--rule); margin-bottom: 8px; background: var(--sheet); }
@media (max-width: 600px) { .member img { width: 96px; } }
.member b { font-size: 0.9375rem; }
.member span { font-size: var(--step--1); color: var(--ink-soft); }

footer.site { border-top: 2px solid var(--ink); padding-block: 20px 32px; display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; font-size: var(--step--1); color: var(--ink-soft); }
footer.site b { color: var(--ink); }
footer.site p { margin: 0; }
footer.site .termsline { font-family: var(--font-mono); color: var(--ink); }
footer.site .right { display: grid; gap: 6px; justify-items: end; align-content: end; }
@media (max-width: 600px) { footer.site .right { justify-items: start; } }

.quotebar { display: none; }
@media (max-width: 860px) {
  body.has-quotebar .quotebar { display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
    padding: 10px max(16px, env(safe-area-inset-right, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
    background: var(--sheet); border-top: 1px solid var(--rule); }
  .quotebar .btn { width: 100%; text-align: center; }
  body.has-quotebar footer.site { padding-bottom: 96px; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }