/* 中国色 / 尺寸 · 独立落地页
 * 全部内容服务端直出，不依赖 JS；爬虫与禁用 JS 的浏览器都能读到完整信息。 */
.seo-wrap { max-width: 980px; margin: 0 auto; padding: 40px 20px 72px; }
.seo-crumb { font-size: .8125rem; color: var(--color-text-muted, #8a94a6); margin-bottom: 20px; }
.seo-crumb a { color: var(--color-link, var(--color-primary, #1f4e8c)); text-decoration: none; }
.seo-crumb a:hover { text-decoration: underline; }
.seo-crumb span { margin: 0 8px; opacity: .55; }

.seo-hero { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin-bottom: 30px; }
.seo-swatch {
    width: 148px; height: 148px; flex: 0 0 148px; border-radius: 18px;
    border: 1px solid var(--color-border, #e2e8f0);
    box-shadow: 0 8px 28px rgba(0,0,0,.10);
}
.seo-swatch-size {
    width: 148px; height: 148px; flex: 0 0 148px; border-radius: 18px;
    border: 2px dashed var(--color-primary, #1f4e8c);
    background: var(--color-bg-secondary, #f8fafc);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    font-size: 1.05rem; font-weight: 700; color: var(--color-primary, #1f4e8c);
    line-height: 1.5; text-align: center; padding: 8px; box-sizing: border-box;
}
.seo-swatch-size small { font-size: .7rem; font-weight: 500; opacity: .75; }
.seo-hero-txt { flex: 1 1 320px; }
.seo-h1 { font-size: 2rem; line-height: 1.25; margin: 0 0 10px; font-weight: 700; }
.seo-lead { font-size: 1rem; line-height: 1.85; color: var(--color-text-secondary, #4a5568); margin: 0 0 14px; }
.seo-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.seo-tag {
    font-size: .78rem; padding: 4px 11px; border-radius: 20px;
    background: var(--color-bg-secondary, #f1f5f9);
    border: 1px solid var(--color-border, #e2e8f0);
    color: var(--color-text-secondary, #4a5568);
}
.seo-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

.seo-section { margin: 34px 0; }
.seo-h2 {
    font-size: 1.25rem; font-weight: 650; margin: 0 0 16px;
    padding-left: 12px; border-left: 4px solid var(--color-primary, #1f4e8c);
}
.seo-table { width: 100%; border-collapse: collapse; font-size: .9375rem; }
.seo-table th, .seo-table td {
    text-align: left; padding: 12px 14px;
    border-bottom: 1px solid var(--color-border, #e2e8f0);
}
.seo-table th {
    width: 132px; color: var(--color-text-muted, #8a94a6); font-weight: 500;
    background: var(--color-bg-secondary, #f8fafc);
}
.seo-table td { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all; }
.seo-table td.seo-plain { font-family: inherit; line-height: 1.8; }
.seo-copy {
    border: 0; background: none; cursor: pointer; font-size: .75rem; margin-left: 10px;
    color: var(--color-primary, #1f4e8c); padding: 2px 6px; border-radius: 4px;
}
.seo-copy:hover { background: var(--color-bg-secondary, #f1f5f9); }

.seo-notes { display: grid; gap: 12px; }
.seo-note {
    padding: 16px 18px; border-radius: 10px;
    background: var(--color-bg-secondary, #f8fafc);
    border: 1px solid var(--color-border, #e2e8f0);
}
.seo-note-t { font-weight: 650; font-size: .9375rem; margin-bottom: 7px; }
.seo-note-p { margin: 0; font-size: .9rem; line-height: 1.85; color: var(--color-text-secondary, #4a5568); }
.seo-note-warn { border-color: var(--color-warning, #d69e2e); background: rgba(214,158,46,.08); }
.seo-note-warn .seo-note-t { color: var(--color-warning, #a9741a); }

.seo-links { display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 10px; }
.seo-link {
    display: flex; align-items: center; gap: 9px; text-decoration: none;
    padding: 9px 11px; border-radius: 9px; font-size: .875rem;
    border: 1px solid var(--color-border, #e2e8f0);
    background: var(--color-bg-card, #fff);
    color: var(--color-text, #1a202c);
}
.seo-link:hover { border-color: var(--color-primary, #1f4e8c); }
.seo-link i {
    width: 22px; height: 22px; border-radius: 6px; flex: 0 0 22px;
    border: 1px solid rgba(0,0,0,.08);
}
.seo-link em { font-style: normal; font-size: .72rem; color: var(--color-text-muted, #8a94a6); margin-left: auto; }

.seo-prose { font-size: .9rem; line-height: 1.9; color: var(--color-text-secondary, #4a5568); }
.seo-prose a { color: var(--color-link, var(--color-primary, #1f4e8c)); }
.seo-foot {
    margin-top: 44px; padding-top: 22px; font-size: .8125rem;
    border-top: 1px solid var(--color-border, #e2e8f0);
    color: var(--color-text-muted, #8a94a6); line-height: 1.9;
}
.seo-foot a { color: var(--color-link, var(--color-primary, #1f4e8c)); }
@media (max-width: 600px) {
    .seo-wrap { padding: 26px 16px 52px; }
    .seo-h1 { font-size: 1.6rem; }
    .seo-hero { gap: 18px; }
    .seo-swatch, .seo-swatch-size { width: 108px; height: 108px; flex-basis: 108px; }
    .seo-table th { width: 92px; }
    .seo-table th, .seo-table td { padding: 10px; font-size: .85rem; }
}