/* ============================================
   百度地图资讯站 全站共享样式
   色彩体系：主蓝 #0b3cff / 青蓝 #00b4d8 / 地图绿 #10b981
   强调橙 #ff7a1a / 强调紫 #7c4dff / 暖黄 #ffb300
   ============================================ */
:root{
  --blue:#0b3cff; --cyan:#00b4d8; --green:#10b981; --orange:#ff7a1a;
  --purple:#7c4dff; --yellow:#ffb300; --ink:#16223b; --sub:#5b6b8c;
  --line:#e8edf7; --bg:#f5f8ff; --card:#ffffff;
  --grad-main:linear-gradient(135deg,#0b3cff 0%,#00b4d8 52%,#10b981 100%);
  --grad-cyan:linear-gradient(135deg,#00b4d8,#10b981);
  --grad-orange:linear-gradient(135deg,#ff7a1a,#ffb300);
  --grad-purple:linear-gradient(135deg,#7c4dff,#00b4d8);
  --radius:18px; --shadow:0 10px 34px rgba(22,34,59,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--blue);text-decoration:none;transition:.25s}
a:hover{color:var(--green)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.brand img{width:34px;height:34px;border-radius:8px}
.brand span b{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{padding:8px 14px;border-radius:10px;color:var(--sub);font-weight:600;font-size:15px}
.nav-links a:hover{color:var(--blue);background:rgba(11,60,255,.06)}
.nav-links a.active{color:#fff;background:var(--grad-main)}
.nav-cta{margin-left:6px;padding:9px 18px;border-radius:12px;color:#fff;background:var(--grad-orange);font-weight:700;font-size:14px}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:16px 0 4px;font-size:13.5px;color:var(--sub)}
.breadcrumb a{color:var(--sub)}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb .sep{margin:0 8px;color:#b9c4db}
.breadcrumb .cur{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{background:var(--grad-main);color:#fff;padding:72px 0 84px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.10)}
.hero::before{content:"";position:absolute;left:-80px;bottom:-160px;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.08)}
.hero .container{position:relative;z-index:2}
.hero h1{font-size:42px;line-height:1.2;font-weight:900;margin-bottom:16px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#fff,#ffe9b8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;max-width:720px;color:rgba(255,255,255,.92);margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{padding:13px 28px;border-radius:14px;font-weight:700;font-size:16px;display:inline-flex;align-items:center;gap:8px}
.btn-solid{background:#fff;color:var(--blue)}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.btn-ghost{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.28)}
.hero-stats{display:flex;gap:34px;margin-top:38px;flex-wrap:wrap}
.hero-stats .s{font-size:15px;color:rgba(255,255,255,.85)}
.hero-stats .s b{display:block;font-size:30px;color:#fff}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
.sec-head{text-align:center;margin-bottom:36px}
.sec-head .tag{display:inline-block;padding:5px 16px;border-radius:20px;font-size:13px;font-weight:700;color:var(--blue);background:rgba(11,60,255,.08)}
.sec-head h2{font-size:30px;font-weight:800;margin:12px 0 8px}
.sec-head h2 em{font-style:normal;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{color:var(--sub);max-width:640px;margin:0 auto}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid var(--line);transition:.3s}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(22,34,59,.12)}
.card .ico{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--sub);font-size:14.5px}
.card .more{display:inline-block;margin-top:14px;font-weight:700;font-size:14px}

/* 渐变色块 */
.g-blue{background:var(--grad-main)}
.g-cyan{background:var(--grad-cyan)}
.g-orange{background:var(--grad-orange)}
.g-purple{background:var(--grad-purple)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px;font-weight:700;font-size:17px;
  display:flex;align-items:center;gap:12px;color:var(--ink)
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q{
  width:30px;height:30px;border-radius:10px;color:#fff;background:var(--grad-main);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0
}
.faq-item summary::after{content:"＋";margin-left:auto;color:var(--sub);font-size:20px;transition:.3s}
.faq-item[open] summary::after{content:"－";color:var(--blue)}
.faq-item .faq-body{padding:0 24px 22px;color:var(--sub);font-size:15px}
.faq-body ol{margin-left:20px;display:flex;flex-direction:column;gap:8px;margin-top:10px}
.faq-body ol li b{color:var(--ink)}
.faq-body p{margin-bottom:8px}

/* ---------- 下载页 ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dl-card{background:#fff;border-radius:var(--radius);padding:28px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--line)}
.dl-card .ico{width:70px;height:70px;margin:0 auto 16px;border-radius:20px;font-size:34px;display:flex;align-items:center;justify-content:center}
.dl-card h3{font-size:19px;margin-bottom:6px}
.dl-card p{color:var(--sub);font-size:14px;margin-bottom:16px}
.dl-card a.btn{padding:11px 22px;font-size:15px}

/* ---------- 新闻 ---------- */
.news-layout{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:20px}
.news-item{display:flex;gap:18px;background:#fff;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);border:1px solid var(--line)}
.news-item img{width:220px;height:140px;object-fit:cover;border-radius:12px;flex-shrink:0}
.news-item .meta{font-size:13px;color:var(--sub);margin:6px 0}
.news-item .meta .cat{color:var(--blue);font-weight:700}
.news-item h3{font-size:18px;line-height:1.5}
.sidebar{display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);border:1px solid var(--line)}
.side-card h4{font-size:16px;margin-bottom:14px;padding-left:12px;border-left:4px solid var(--blue)}
.side-card ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.side-card ul li a{font-size:14px;color:var(--sub)}
.side-card ul li a:hover{color:var(--blue)}
.side-card .tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.side-card .tag-cloud a{padding:6px 12px;border-radius:20px;background:var(--bg);font-size:13px;color:var(--sub)}
.side-card .tag-cloud a:hover{background:var(--grad-main);color:#fff}

/* ---------- 文章详情 ---------- */
.article-wrap{background:#fff;border-radius:var(--radius);padding:38px;box-shadow:var(--shadow);border:1px solid var(--line)}
.article-head h1{font-size:30px;line-height:1.4;font-weight:800;margin:10px 0 14px}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--sub);margin-bottom:20px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-body{font-size:16.5px;color:#2a3650}
.article-body p{margin-bottom:18px}
.article-body h2{font-size:23px;font-weight:800;margin:30px 0 14px;padding-left:14px;border-left:5px solid var(--blue)}
.article-body h3{font-size:19px;font-weight:700;margin:22px 0 10px}
.article-body img{border-radius:14px;margin:20px 0;box-shadow:var(--shadow)}
.article-body blockquote{border-left:4px solid var(--green);background:#f0fbf7;padding:16px 20px;border-radius:0 12px 12px 0;color:#2a5a48;margin:20px 0}
.article-body ul,.article-body ol{margin:0 0 18px 24px;display:flex;flex-direction:column;gap:8px}

/* 评论 */
.comments{margin-top:34px}
.comments h3{font-size:20px;font-weight:800;margin-bottom:18px}
.comment{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.comment .av{width:42px;height:42px;border-radius:50%;flex-shrink:0;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.comment .cm-name{font-weight:700;font-size:14px}
.comment .cm-time{font-size:12px;color:var(--sub);margin-left:10px}
.comment .cm-body{font-size:14.5px;color:#3a4763;margin-top:4px}

/* 上一篇/下一篇 */
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.prev-next a{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
.prev-next .pn-label{font-size:12px;color:var(--sub)}
.prev-next .pn-title{font-size:14.5px;font-weight:700;color:var(--ink)}
.prev-next .next{text-align:right}

/* ---------- 站点地图 ---------- */
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sitemap-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid var(--line)}
.sitemap-card h3{font-size:17px;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.sitemap-card ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.sitemap-card ul li a{font-size:14px;color:var(--sub)}
.sitemap-card ul li a:hover{color:var(--blue)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0e1730;color:#aab6d6;margin-top:56px;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:34px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer-grid a{color:#aab6d6;display:block;margin-bottom:8px;font-size:14px}
.footer-grid a:hover{color:#fff}
.footer-grid .brand{color:#fff}
.footer-grid .brand b{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:13px;color:#6b7aa0}
.footer-map-link{color:#6b7aa0;font-size:13px}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .grid-3,.grid-4,.dl-grid,.sitemap-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:32px}
}
@media(max-width:600px){
  .grid-2,.grid-3,.grid-4,.dl-grid,.sitemap-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column}
  .news-item img{width:100%;height:auto}
  .prev-next{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .article-wrap{padding:22px}
}