/* ═══════════════════════════════════════════════════════════════════════════
   GEO Content Styles — 啄木鸟工具集
   用于 FAQ、日期、引用、相关链接、对比表格、博客文章与指南页面。
   同时服务于 tool-page（主 CSS：tool-pages.css）与内容页（blog/guides/comparisons）。
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── 页面元信息（发布时间 / 更新时间） ── */
.geo-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 18px;
    margin: 0 0 18px;
    padding: 10px 16px;
    border-radius: var(--tool-radius-sm, 12px);
    border: 1px solid var(--tool-accent-border, rgba(13, 148, 136, 0.22));
    color: var(--tool-text-secondary, #0F766E);
    font-size: 0.9rem;
    font-weight: 500;
}

.geo-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.geo-meta svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.geo-meta time {
    font-weight: 600;
    color: var(--tool-text-primary, #134E4A);
}

/* ── 常见问题 FAQ（AI 友好问答结构） ── */
.geo-faq {
    margin-top: var(--tool-gap-md, 20px);
    padding: 24px 28px;
    background: var(--tool-surface, #fff);
    border-radius: var(--tool-radius-md, 18px);
    border: 1px solid var(--tool-border, rgba(13, 148, 136, 0.18));
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
}

.geo-faq > h2 {
    margin: 0 0 16px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--tool-text-primary, #134E4A);
    position: relative;
    padding-left: 16px;
}

.geo-faq > h2::before {
    content: "";
    width: 6px;
    height: 22px;
    border-radius: 999px;
    background: var(--tool-accent-gradient, linear-gradient(135deg, #0D9488, #14B8A6));
    position: absolute;
    left: 0;
    top: 2px;
}

.geo-faq details {
    border: 1px solid var(--tool-border, rgba(13, 148, 136, 0.18));
    border-radius: var(--tool-radius-sm, 12px);
    background: var(--tool-input-bg-soft, #fff);
    margin-bottom: 10px;
    overflow: hidden;
}

.geo-faq details:last-child {
    margin-bottom: 0;
}

.geo-faq summary {
    cursor: pointer;
    padding: 14px 18px;
    font-weight: 600;
    font-size: 1rem;
    color: var(--tool-text-primary, #134E4A);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: color 0.2s ease;
}

.geo-faq summary::-webkit-details-marker {
    display: none;
}

.geo-faq summary::after {
    content: "+";
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--tool-accent, #0D9488);
    transition: transform 0.2s ease;
}

.geo-faq details[open] summary::after {
    transform: rotate(45deg);
}

.geo-faq summary:hover {
    color: var(--tool-accent, #0D9488);
}

.geo-faq details > div {
    padding: 0 18px 14px;
}

.geo-faq details > div p {
    margin: 0 0 8px;
    color: var(--tool-text-secondary, #0F766E);
    line-height: 1.7;
    font-size: 0.95rem;
}

.geo-faq details > div p:last-child {
    margin-bottom: 0;
}

.geo-faq ol,
.geo-faq ul {
    margin: 0;
    padding-left: 20px;
}

.geo-faq li {
    margin-bottom: 4px;
    line-height: 1.7;
}

/* ── 参考资料 / 引用来源（E-E-A-T） ── */
.geo-references {
    margin-top: var(--tool-gap-md, 20px);
    padding: 24px 28px;
    background: var(--tool-surface, #fff);
    border-radius: var(--tool-radius-md, 18px);
    border: 1px solid var(--tool-border, rgba(13, 148, 136, 0.18));
}

.geo-references > h2 {
    margin: 0 0 14px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--tool-text-primary, #134E4A);
    position: relative;
    padding-left: 16px;
}

.geo-references > h2::before {
    content: "";
    width: 6px;
    height: 22px;
    border-radius: 999px;
    background: var(--tool-accent-gradient, linear-gradient(135deg, #0D9488, #14B8A6));
    position: absolute;
    left: 0;
    top: 2px;
}

.geo-references ol {
    margin: 0;
    padding-left: 22px;
}

.geo-references li {
    margin-bottom: 8px;
    color: var(--tool-text-secondary, #0F766E);
    line-height: 1.7;
    font-size: 0.93rem;
    word-break: break-all;
}

.geo-references a {
    color: var(--tool-accent, #0D9488);
    font-weight: 600;
    transition: color 0.2s ease;
}

.geo-references a:hover {
    color: var(--tool-accent-strong, #115E59);
    text-decoration: underline;
}

/* ── 相关链接 / 主题聚类 ── */
.geo-related {
    margin-top: var(--tool-gap-md, 20px);
    padding: 24px 28px;
    background: var(--tool-surface, #fff);
    border-radius: var(--tool-radius-md, 18px);
    border: 1px solid var(--tool-border, rgba(13, 148, 136, 0.18));
}

.geo-related > h2 {
    margin: 0 0 14px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--tool-text-primary, #134E4A);
    position: relative;
    padding-left: 16px;
}

.geo-related > h2::before {
    content: "";
    width: 6px;
    height: 22px;
    border-radius: 999px;
    background: var(--tool-accent-gradient, linear-gradient(135deg, #0D9488, #14B8A6));
    position: absolute;
    left: 0;
    top: 2px;
}

.geo-related-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.geo-related-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--tool-radius-sm, 12px);
    border: 1px solid var(--tool-accent-border, rgba(13, 148, 136, 0.22));
    color: var(--tool-text-primary, #134E4A);
    font-weight: 600;
    font-size: 0.92rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.geo-related-links a:hover {
    transform: translateY(-2px);
    box-shadow: var(--tool-shadow-hover, 0 20px 48px rgba(13, 148, 136, 0.16));
    border-color: var(--tool-accent, #0D9488);
}

.geo-related-links svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--tool-accent, #0D9488);
}

/* ── 对比表格（comparison pages） ── */
.geo-compare {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-size: 0.95rem;
}

.geo-compare th,
.geo-compare td {
    border: 1px solid var(--tool-border, rgba(13, 148, 136, 0.18));
    padding: 12px 14px;
    text-align: left;
    vertical-align: top;
    line-height: 1.6;
}

.geo-compare thead th {
    background: var(--tool-accent-gradient, linear-gradient(135deg, #0D9488, #14B8A6));
    color: #fff;
    font-weight: 600;
}

.geo-compare td:first-child {
    font-weight: 600;
    white-space: nowrap;
}

.geo-compare .win {
    color: #059669;
    font-weight: 700;
}

.geo-compare .lose {
    color: #DC2626;
    font-weight: 600;
}

.geo-compare .tie {
    color: #D97706;
    font-weight: 600;
}

/* ── 文章正文（blog / guides） ── */
.geo-article {
    max-width: 820px;
    margin: 0 auto;
    padding: 40px 28px 64px;
}

.geo-article h1 {
    font-size: 2rem;
    line-height: 1.3;
    margin: 0 0 12px;
    letter-spacing: -0.01em;
    color: var(--tool-text-primary, #134E4A);
}

.geo-article .geo-meta {
    margin-bottom: 28px;
}

.geo-article h2 {
    font-size: 1.45rem;
    margin: 36px 0 14px;
    color: var(--tool-text-primary, #134E4A);
}

.geo-article h3 {
    font-size: 1.15rem;
    margin: 28px 0 10px;
    color: var(--tool-text-primary, #134E4A);
}

.geo-article p {
    line-height: 1.85;
    color: var(--tool-text-secondary, #0F766E);
    margin: 0 0 16px;
    font-size: 1rem;
}

.geo-article ul,
.geo-article ol {
    margin: 0 0 18px;
    padding-left: 22px;
    color: var(--tool-text-secondary, #0F766E);
    line-height: 1.85;
}

.geo-article li {
    margin-bottom: 6px;
}

.geo-article a {
    color: var(--tool-accent, #0D9488);
    font-weight: 600;
    transition: color 0.2s ease;
}

.geo-article a:hover {
    color: var(--tool-accent-strong, #115E59);
    text-decoration: underline;
}

.geo-article blockquote {
    margin: 20px 0;
    padding: 14px 20px;
    border-left: 4px solid var(--tool-accent, #0D9488);
    border-radius: 0 var(--tool-radius-sm, 12px) var(--tool-radius-sm, 12px) 0;
    color: var(--tool-text-secondary, #0F766E);
}

.geo-article blockquote p {
    margin: 0;
}

.geo-article table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-size: 0.95rem;
}

.geo-article th,
.geo-article td {
    border: 1px solid var(--tool-border, rgba(13, 148, 136, 0.18));
    padding: 10px 12px;
    text-align: left;
}

.geo-article thead th {
    font-weight: 600;
    color: var(--tool-text-primary, #134E4A);
}

.geo-article code {
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.9em;
    color: var(--tool-accent-strong, #115E59);
    word-break: break-all;
}

.geo-article pre {
    background: var(--tool-bg-dark, #0F172A);
    color: #E2E8F0;
    padding: 16px 20px;
    border-radius: var(--tool-radius-sm, 12px);
    overflow-x: auto;
    margin: 0 0 18px;
    line-height: 1.6;
    font-size: 0.92rem;
}

.geo-article pre code {
    background: none;
    color: inherit;
    padding: 0;
}

/* ── 卡片（blog / guides / comparison 列表） ── */
.geo-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
    padding: 8px 0 32px;
}

.geo-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 24px 26px;
    background: var(--tool-surface, #fff);
    border-radius: var(--tool-radius-md, 18px);
    border: 1px solid var(--tool-border, rgba(13, 148, 136, 0.18));
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.geo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tool-shadow-hover, 0 20px 48px rgba(13, 148, 136, 0.16));
    border-color: var(--tool-accent, #0D9488);
}

.geo-card-category {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--tool-accent, #0D9488);
}

.geo-card h2,
.geo-card h3 {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.4;
    color: var(--tool-text-primary, #134E4A);
}

.geo-card p {
    margin: 0;
    color: var(--tool-text-secondary, #0F766E);
    font-size: 0.93rem;
    line-height: 1.65;
    flex: 1;
}

.geo-card .geo-card-date {
    font-size: 0.82rem;
    color: var(--tool-text-tertiary, #0D9488);
    font-weight: 500;
}

/* ── 页脚内容中心导航 ── */
.geo-footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    justify-content: center;
}

@media (max-width: 600px) {
    .geo-article {
        padding: 24px 16px 48px;
    }

    .geo-article h1 {
        font-size: 1.6rem;
    }

    .geo-faq,
    .geo-references,
    .geo-related {
        padding: 18px 16px;
    }
}