/* ============================================
   GEO 内容页样式扩展
   仅用于文章型页面与 FAQ 区块，不修改 styles.css
   ============================================ */

/* ---------- 文章头 ---------- */
.art-hero {
    background: linear-gradient(180deg, var(--primary-soft) 0%, #FFFFFF 100%);
    padding: 48px 0 44px;
    border-bottom: 1px solid var(--border);
}
.crumb {
    font-size: 13px; color: var(--text-muted);
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    margin-bottom: 18px;
}
.crumb a { color: var(--primary); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.crumb span { color: var(--text-muted); }

.art-h1 {
    font-size: 38px; font-weight: 800; line-height: 1.32;
    color: var(--text); letter-spacing: -.6px; max-width: 900px;
}
.art-lead {
    font-size: 17px; line-height: 1.85; color: var(--text-light);
    max-width: 820px; margin-top: 16px;
}
.art-meta {
    display: flex; gap: 22px; flex-wrap: wrap;
    font-size: 13px; color: var(--text-muted); margin-top: 22px;
}
.art-meta i { color: var(--primary); margin-right: 5px; }

/* ---------- 正文 ---------- */
.art-body { padding: 52px 0 24px; background: #FFFFFF; }
.art-body .container { max-width: 880px; }

.art-body h2 {
    font-size: 25px; font-weight: 800; color: var(--text);
    line-height: 1.4; letter-spacing: -.3px;
    margin: 46px 0 14px; padding-top: 6px;
}
.art-body h2:first-of-type { margin-top: 0; }
.art-body h3 {
    font-size: 18px; font-weight: 700; color: var(--text);
    margin: 30px 0 10px;
}
.art-body p {
    font-size: 16px; line-height: 1.92; color: var(--text-light);
    margin-bottom: 15px;
}
.art-body strong, .art-body b { color: var(--text); font-weight: 700; }
.art-body a { color: var(--primary); text-decoration: none; }
.art-body a:hover { text-decoration: underline; }

.art-body ul, .art-body ol { margin: 4px 0 18px; padding-left: 0; list-style: none; }
.art-body ol { counter-reset: artol; }
.art-body ul li {
    position: relative; padding-left: 26px;
    font-size: 16px; line-height: 1.9; color: var(--text-light);
    margin-bottom: 10px;
}
.art-body ul li::before {
    content: ""; position: absolute; left: 6px; top: 12px;
    width: 6px; height: 6px; border-radius: 50%; background: var(--primary);
}
.art-body ol li {
    position: relative; padding-left: 34px;
    font-size: 16px; line-height: 1.9; color: var(--text-light);
    margin-bottom: 12px; counter-increment: artol;
}
.art-body ol li::before {
    content: counter(artol);
    position: absolute; left: 0; top: 2px;
    width: 24px; height: 24px; border-radius: 8px;
    background: var(--primary-light); color: var(--primary);
    font-size: 13px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}

/* ---------- 直答块：给 AI 摘取用的核心答案 ---------- */
.ans {
    background: var(--primary-soft);
    border-left: 4px solid var(--primary);
    border-radius: 0 12px 12px 0;
    padding: 20px 24px;
    margin: 0 0 22px;
}
.ans p {
    margin: 0; font-size: 16px; line-height: 1.88; color: var(--text);
}
.ans p + p { margin-top: 10px; }
.ans b { color: var(--primary-dark); }

/* ---------- 表格 ---------- */
.art-body table {
    width: 100%; border-collapse: collapse; margin: 18px 0 22px;
    font-size: 15px; border: 1px solid var(--border);
    border-radius: 12px; overflow: hidden;
}
.art-body thead { background: var(--primary-soft); }
.art-body th {
    text-align: left; padding: 13px 16px; font-weight: 700;
    color: var(--text); font-size: 14px; border-bottom: 1px solid var(--border);
}
.art-body td {
    padding: 13px 16px; color: var(--text-light);
    border-bottom: 1px solid var(--border); vertical-align: top; line-height: 1.75;
}
.art-body tbody tr:last-child td { border-bottom: none; }

/* ---------- 提示块 ---------- */
.tip {
    background: #FFF9EC; border: 1px solid #FCE3AE;
    border-radius: 12px; padding: 18px 22px; margin: 20px 0;
}
.tip p { margin: 0; color: #7A5A12; font-size: 15px; line-height: 1.85; }
.tip b { color: #5C4208; }

/* ---------- FAQ ---------- */
.faq-section { padding: 72px 0; background: var(--bg); }
.faq-list { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
    background: #FFFFFF; border: 1px solid var(--border);
    border-radius: 14px; padding: 24px 28px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .25s ease;
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-q {
    display: flex; gap: 11px; align-items: flex-start;
    font-size: 17px; font-weight: 700; color: var(--text);
    line-height: 1.6; margin-bottom: 10px;
}
.faq-q i { color: var(--primary); font-size: 15px; margin-top: 5px; flex: 0 0 auto; }
.faq-a {
    font-size: 15.5px; line-height: 1.88; color: var(--text-light);
    padding-left: 26px;
}
.faq-a b { color: var(--text); }

/* ---------- 相关阅读 ---------- */
.rel-section { padding: 60px 0; background: #FFFFFF; }
.rel-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 18px; max-width: 1000px; margin: 32px auto 0;
}
.rel-card {
    display: block; background: var(--bg); border: 1px solid var(--border);
    border-radius: 14px; padding: 22px 24px; text-decoration: none;
    transition: all .25s ease;
}
.rel-card:hover {
    background: #FFFFFF; border-color: var(--primary);
    transform: translateY(-3px); box-shadow: var(--shadow-md);
}
.rel-card .rc-t {
    font-size: 15.5px; font-weight: 700; color: var(--text);
    line-height: 1.55; margin-bottom: 8px;
}
.rel-card .rc-d { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
.rel-card:hover .rc-t { color: var(--primary); }

/* ---------- 首页知识中心板块 ---------- */
.kb-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 20px; margin-top: 44px;
}
.kb-card {
    display: block; background: #FFFFFF; border: 1px solid var(--border);
    border-radius: 16px; padding: 26px 26px 24px;
    text-decoration: none; box-shadow: var(--shadow-sm);
    transition: all .28s ease; position: relative;
}
.kb-card:hover {
    border-color: var(--primary); transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.kb-card .kb-icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: var(--primary-light); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; margin-bottom: 16px;
}
.kb-card .kb-t {
    font-size: 17px; font-weight: 700; color: var(--text);
    line-height: 1.5; margin-bottom: 9px;
}
.kb-card .kb-d {
    font-size: 13.5px; color: var(--text-light);
    line-height: 1.75; margin-bottom: 14px;
}
.kb-card .kb-more {
    font-size: 13px; color: var(--primary); font-weight: 700;
    display: flex; align-items: center; gap: 6px;
}
.kb-card:hover .kb-more { gap: 10px; }

@media (max-width: 900px) {
    .art-h1 { font-size: 28px; }
    .art-lead { font-size: 15.5px; }
    .art-body h2 { font-size: 21px; margin-top: 34px; }
    .art-body .container { max-width: 100%; }
    .rel-grid, .kb-grid { grid-template-columns: 1fr; }
    .faq-item { padding: 20px; }
    .faq-a { padding-left: 0; }
    .art-hero { padding: 32px 0 30px; }
}