/* 中国色 / 尺寸 · 独立落地页
 * 设计原则：全部使用站点设计令牌（variables.css），并复用 main.css 的
 * .container / .section-card(.section-header/.section-body) / .btn-* 组件，
 * 不另起一套配色与排版，确保与全站视觉一致。
 * 仅补充 hero 布局、色块、面包屑、数值表、相关卡网格等少量辅助类。 */
.seo-wrap { max-width: 860px; margin: 0 auto; padding: 40px 20px 72px; }

.seo-crumb {
    display: flex; flex-wrap: wrap; align-items: center; gap: 2px;
    font-size: .8125rem; color: var(--color-text-muted); margin-bottom: 24px;
}
.seo-crumb a { color: var(--color-text-muted); text-decoration: none; transition: color var(--transition-fast); }
.seo-crumb a:hover { color: var(--color-primary); }
.seo-crumb span { margin: 0 6px; opacity: .5; }

/* hero：色块 / 尺寸示意 与 文字并排 */
.seo-hero { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin-bottom: 36px; }
.seo-swatch {
    width: 128px; height: 128px; flex: 0 0 128px; border-radius: var(--radius-lg);
    border: 1px solid var(--color-border); box-shadow: var(--shadow-md);
}
.seo-swatch-size {
    width: 128px; height: 128px; flex: 0 0 128px; border-radius: var(--radius-lg);
    border: 2px dashed var(--color-primary); background: var(--color-bg-secondary);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    font-size: 1.05rem; font-weight: 700; color: var(--color-primary);
    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; min-width: 0; }
.seo-h1 { font-size: 1.875rem; line-height: 1.25; margin: 0 0 12px; font-weight: 700; color: var(--color-text); letter-spacing: -0.01em; }
.seo-lead { font-size: 1rem; line-height: 1.8; color: var(--color-text-secondary); margin: 0 0 16px; }
.seo-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.seo-tag {
    font-size: .78rem; padding: 4px 12px; border-radius: var(--radius-full);
    background: var(--color-bg-secondary); border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}
.seo-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

/* 数值对照表（置于 .section-body 内） */
.seo-table { width: 100%; border-collapse: collapse; font-size: .9375rem; }
.seo-table th, .seo-table td {
    text-align: left; padding: 14px 4px; border-bottom: 1px solid var(--color-border); vertical-align: top;
}
.seo-table th { width: 140px; color: var(--color-text-muted); font-weight: 500; padding-left: 0; }
.seo-table td { color: var(--color-text); word-break: break-all; }
.seo-table td.seo-mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.seo-table td.seo-plain { color: var(--color-text-secondary); line-height: 1.8; word-break: normal; }

/* 说明卡（置于 .section-body 内） */
.seo-note {
    padding: 16px 18px; border-radius: var(--radius-lg);
    background: var(--color-bg-secondary); border: 1px solid var(--color-border); margin-bottom: 12px;
}
.seo-note:last-child { margin-bottom: 0; }
.seo-note-t { font-weight: 600; font-size: .9375rem; margin-bottom: 6px; color: var(--color-text); }
.seo-note-p { margin: 0; font-size: .9rem; line-height: 1.85; color: var(--color-text-secondary); }
.seo-note-p a { color: var(--color-primary); }
.seo-note-warn { border-color: var(--color-warning); background: rgba(245, 158, 11, .08); }
.seo-note-warn .seo-note-t { color: var(--color-warning); }

/* 相关条目：复用 .card 观感的小卡网格 */
.seo-rel-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.seo-rel {
    display: flex; align-items: center; gap: 10px; text-decoration: none;
    padding: 10px 12px; border-radius: var(--radius-md);
    border: 1px solid var(--color-border); background: var(--color-bg-card);
    color: var(--color-text); transition: all var(--transition-fast);
}
.seo-rel:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.seo-rel i { width: 28px; height: 28px; border-radius: var(--radius-sm); flex: 0 0 28px; border: 1px solid rgba(0, 0, 0, .08); }
.seo-rel span { font-size: .875rem; }
.seo-rel em { font-style: normal; font-size: .72rem; color: var(--color-text-muted); margin-left: auto; }

.seo-prose { font-size: .9rem; line-height: 1.9; color: var(--color-text-secondary); }
.seo-prose a { color: var(--color-primary); }

.seo-foot {
    margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--color-border);
    font-size: .8125rem; color: var(--color-text-muted); line-height: 1.9;
}
.seo-foot a { color: var(--color-primary); }

.seo-copy {
    border: 0; background: none; cursor: pointer; font-size: .75rem; margin-left: 10px;
    color: var(--color-primary); padding: 2px 6px; border-radius: var(--radius-sm);
}
.seo-copy:hover { background: var(--color-bg-secondary); }

@media (max-width: 600px) {
    .seo-wrap { padding: 28px 16px 52px; }
    .seo-h1 { font-size: 1.5rem; }
    .seo-hero { gap: 18px; }
    .seo-swatch, .seo-swatch-size { width: 104px; height: 104px; flex-basis: 104px; }
    .seo-table th { width: 96px; padding-right: 12px; }
}

/* ==========================================================================
 * 中国色独立详情页：宽版两栏
 * --------------------------------------------------------------------------
 * 原先用 .seo-wrap（860px 居中窄栏），与其它页面的 .container（1400px）对不上，
 * 观感是「窄栏文档」而非设计工具。这里外层直接用全站 .container，
 * 内部用小色样 + 色值四卡 + .cc-card 色卡网格铺开，与 chinese_colors.php 同构。
 * 只新增布局类，配色 / 圆角 / 阴影 / 间距一律取 variables.css 令牌。
 * ========================================================================== */
.cd-page { padding: 40px 0 64px; }
.cd-page .seo-crumb { margin-bottom: 24px; }

/* 色样只是取色参照，做成小方块即可；尺寸详情页的 .seo-swatch 同为 128px 量级，
 * 两处落地页保持一致，不再用整屏大色板抢掉标题。 */
.cd-hero {
    display: grid; grid-template-columns: 160px 1fr;
    gap: 32px; align-items: center; margin-bottom: 32px;
}
.cd-swatch {
    position: relative; width: 160px; height: 160px;
    border-radius: var(--radius-lg); border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm); overflow: hidden; box-sizing: border-box;
    display: flex; align-items: flex-end; padding: 14px;
}
.cd-swatch-hex {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .9375rem; font-weight: 600; letter-spacing: .02em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, .12);
}
.cd-eyebrow {
    font-size: .8125rem; color: var(--color-text-muted);
    letter-spacing: .06em; margin: 0 0 8px;
}
.cd-h1 {
    font-size: 2.125rem; line-height: 1.2; font-weight: 700;
    color: var(--color-text); margin: 0 0 12px; letter-spacing: -.02em;
}
.cd-lead {
    font-size: .9375rem; line-height: 1.8; color: var(--color-text-secondary);
    margin: 0 0 20px; max-width: 620px;
}
.cd-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.cd-values {
    display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px; margin-bottom: 36px;
}
.cd-value {
    display: flex; flex-direction: column; gap: 8px;
    padding: 18px 20px; border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); background: var(--color-bg-card);
}
.cd-value-k {
    font-size: .75rem; color: var(--color-text-muted); letter-spacing: .08em;
}
.cd-value-v {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 1.0625rem; color: var(--color-text); word-break: break-all;
}
.cd-value .seo-copy { margin: 0; padding: 2px 0; align-self: flex-start; }

/* 色值登录门控：色值与复制按钮仍 SSR 直出，只对游客做视觉隐藏。
 * data-auth 由 head 的 auth-init.js 同步写入，登录后由公共 auth 模块更新；
 * 不执行 JS 的爬虫拿到的 HTML 无此属性，四条色值保持可见，SEO 不受影响。 */
.cd-login-tip {
    display: none; align-items: center; justify-content: space-between; gap: 20px;
    padding: 20px 24px; margin-bottom: 36px;
    border: 1px solid var(--color-border); border-radius: var(--radius-lg);
    background: var(--color-bg-card);
}
.cd-login-tip-t { font-size: .9375rem; color: var(--color-text-muted); line-height: 1.6; }
.cd-login-tip .btn { flex-shrink: 0; }
[data-auth="logged-out"] .cd-values,
[data-auth="logged-out"] .cd-swatch-hex { display: none; }
[data-auth="logged-out"] .cd-login-tip { display: flex; }

.cd-notes { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }
.cd-notes .seo-note { margin-bottom: 0; }

/* 相关色：整卡可点，复用索引页色卡组件；auto-fit 让条目均分整行，不留落单半行 */
.cd-rel.cc-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.cd-rel .cc-card { color: inherit; text-decoration: none; }
.cd-rel .cc-name { font-size: .9375rem; }
.cd-rel .cc-swatch { height: 84px; }

@media (max-width: 960px) {
    .cd-hero { grid-template-columns: 128px 1fr; gap: 24px; }
    .cd-swatch { width: 128px; height: 128px; padding: 12px; }
    .cd-swatch-hex { font-size: .8125rem; }
    .cd-values { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cd-notes { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .cd-page { padding: 28px 0 52px; }
    .cd-h1 { font-size: 1.75rem; }
    .cd-hero { grid-template-columns: 1fr; gap: 18px; }
    .cd-swatch { width: 100%; height: 104px; padding: 14px; }
    .cd-swatch-hex { font-size: .9375rem; }
    .cd-values { grid-template-columns: 1fr; }
    .cd-login-tip { flex-direction: column; align-items: flex-start; gap: 14px; }
}