/*
Theme Name: GEO Engine
Theme URI: https://example.com/geo-engine
Author: GEO Engine
Author URI: https://example.com
Description: 面向生成式搜索引擎（豆包 / 元宝 / 通义千问 / Kimi / DeepSeek）的 WordPress 主题。内置 GEO 六维评分引擎、AI 内容生成、JSON-LD 结构化数据自动输出与导出能力，开箱即用。
Version: 1.0.0
Requires at least: 5.9
Requires PHP: 7.4
Tested up to: 6.7
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: geo-engine
Tags: seo, geo, ai, schema, faq, blog, custom-colors, translation-ready
*/

/* ---------------------------------------------------------------
   基础变量
--------------------------------------------------------------- */
:root{
  --geo-primary:#2563eb;
  --geo-primary-dark:#1d4ed8;
  --geo-primary-light:#eff6ff;
  --geo-text:#1f2937;
  --geo-muted:#6b7280;
  --geo-border:#e5e7eb;
  --geo-bg:#ffffff;
  --geo-bg-soft:#f9fafb;
  --geo-success:#16a34a;
  --geo-warning:#f59e0b;
  --geo-danger:#dc2626;
  --geo-radius:10px;
  --geo-maxw:760px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:var(--geo-text);background:var(--geo-bg);
}
a{color:var(--geo-primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--geo-maxw);margin:0 auto;padding:0 20px}
.container-wide{max-width:1120px;margin:0 auto;padding:0 20px}

/* 按钮 */
.btn{display:inline-block;padding:9px 18px;border:1px solid var(--geo-primary);border-radius:6px;
  background:var(--geo-primary);color:#fff;font-size:14px;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--geo-primary-dark);border-color:var(--geo-primary-dark);
  color:#fff;text-decoration:none}
.btn-outline{background:#fff;color:var(--geo-primary)}
.btn-outline:hover{background:var(--geo-primary-light);color:var(--geo-primary);text-decoration:none}

/* 顶部 */
.site-header{border-bottom:1px solid var(--geo-border);background:#fff;position:sticky;top:0;z-index:50}
.site-header .container-wide{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.site-title{font-size:19px;font-weight:700;margin:0;color:var(--geo-text)}
.site-title a{color:inherit}
.site-tagline{font-size:12px;color:var(--geo-muted);margin:0}
.primary-menu ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.primary-menu a{color:var(--geo-muted);font-size:14px}
.primary-menu a:hover{color:var(--geo-primary)}

/* 正文排版 */
.site-main{padding:40px 0 64px;min-height:50vh}
.entry-title{font-size:30px;line-height:1.35;margin:0 0 12px}
.entry-meta{font-size:13px;color:var(--geo-muted);margin-bottom:24px;display:flex;flex-wrap:wrap;gap:14px}
.entry-content h2{font-size:23px;margin:36px 0 14px;padding-bottom:8px;border-bottom:1px solid var(--geo-border)}
.entry-content h3{font-size:19px;margin:28px 0 10px}
.entry-content p{margin:0 0 16px}
.entry-content ul,.entry-content ol{margin:0 0 18px;padding-left:24px}
.entry-content li{margin-bottom:6px}
.entry-content blockquote{margin:20px 0;padding:12px 18px;border-left:4px solid var(--geo-primary);background:var(--geo-primary-light);color:#1e40af}
.entry-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.entry-content th,.entry-content td{border:1px solid var(--geo-border);padding:10px 12px;text-align:left}
.entry-content th{background:var(--geo-bg-soft);font-weight:600}

/* 答案块（GEO 核心：首段结论高亮） */
.geo-answer-box{
  background:var(--geo-primary-light);border-left:4px solid var(--geo-primary);
  padding:16px 20px;border-radius:0 var(--geo-radius) var(--geo-radius) 0;margin:0 0 26px;
}
.geo-answer-box .geo-label{font-size:12px;font-weight:700;color:var(--geo-primary);letter-spacing:.05em;margin-bottom:6px;display:block}
.geo-answer-box p{margin:0}

/* 目录 */
.geo-toc{background:var(--geo-bg-soft);border:1px solid var(--geo-border);border-radius:var(--geo-radius);padding:16px 20px;margin:0 0 26px}
.geo-toc-title{font-weight:700;font-size:15px;margin:0 0 8px}
.geo-toc ol{margin:0;padding-left:20px;font-size:14px}
.geo-toc a{color:var(--geo-muted)}
.geo-toc a:hover{color:var(--geo-primary)}

/* FAQ */
.geo-faq{margin:34px 0;border:1px solid var(--geo-border);border-radius:var(--geo-radius);overflow:hidden}
.geo-faq-title{padding:14px 20px;background:var(--geo-bg-soft);font-weight:700;font-size:17px;margin:0;border-bottom:1px solid var(--geo-border)}
.geo-faq-item{border-bottom:1px solid var(--geo-border)}
.geo-faq-item:last-child{border-bottom:0}
.geo-faq-q{padding:14px 20px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;gap:12px;margin:0}
.geo-faq-q::after{content:"+";color:var(--geo-primary);font-weight:700}
.geo-faq-item.open .geo-faq-q::after{content:"−"}
.geo-faq-a{padding:0 20px 16px;color:var(--geo-muted);display:none;margin:0}
.geo-faq-item.open .geo-faq-a{display:block}

/* 评分条 */
.geo-score-badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;
  padding:3px 10px;border-radius:999px;background:var(--geo-primary-light);color:var(--geo-primary)}
.geo-score-badge.g-A{background:#dcfce7;color:#15803d}
.geo-score-badge.g-B{background:#dbeafe;color:#1d4ed8}
.geo-score-badge.g-C{background:#fef9c3;color:#a16207}
.geo-score-badge.g-D{background:#fee2e2;color:#b91c1c}

/* 卡片列表 */
.geo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.geo-card{border:1px solid var(--geo-border);border-radius:var(--geo-radius);padding:20px;background:#fff;
  display:flex;flex-direction:column;gap:8px;transition:box-shadow .15s}
.geo-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.06)}
.geo-card h3{margin:0;font-size:17px;line-height:1.4}
.geo-card h3 a{color:var(--geo-text)}
.geo-card p{margin:0;font-size:14px;color:var(--geo-muted)}
.geo-card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:8px}

/* 页脚 */
.site-footer{border-top:1px solid var(--geo-border);background:var(--geo-bg-soft);padding:28px 0;font-size:14px;color:var(--geo-muted)}
.site-footer .container-wide{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* 分页 */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.pagination .page-numbers{padding:7px 13px;border:1px solid var(--geo-border);border-radius:6px;color:var(--geo-muted);font-size:14px}
.pagination .current{background:var(--geo-primary);color:#fff;border-color:var(--geo-primary)}

@media (max-width:640px){
  .site-header .container-wide{height:auto;padding:12px 20px;flex-wrap:wrap}
  .entry-title{font-size:24px}
  .primary-menu ul{gap:14px;flex-wrap:wrap}
}