/* ===== 高德地图资讯站 全局样式 ===== */
:root{
  --blue:#1667d6; --blue2:#0b4fb0; --cyan:#00b8d4; --purple:#6a4df0;
  --orange:#ff7a1a; --green:#16a34a; --pink:#e83e8c; --gold:#f5a623;
  --dark:#1a2233; --gray:#5b6472; --light:#f4f6fb; --line:#e6eaf2;
  --grad-hero:linear-gradient(135deg,#0b4fb0 0%,#1667d6 35%,#00b8d4 100%);
  --grad-cta:linear-gradient(90deg,#ff7a1a,#f5a623);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#2b3445;background:#f7f9fc;line-height:1.75;font-size:16px}
a{text-decoration:none;color:inherit;transition:.25s}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.topbar{background:var(--grad-hero);color:#fff;position:sticky;top:0;z-index:100;box-shadow:0 4px 20px rgba(11,79,176,.25)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;letter-spacing:.5px}
.logo img{width:36px;height:36px;border-radius:8px}
.nav{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.nav a{padding:8px 16px;border-radius:20px;font-size:15px;color:#eaf3ff;white-space:nowrap}
.nav a:hover,.nav a.active{background:rgba(255,255,255,.18);color:#fff}

/* 面包屑 */
.crumbs{background:#fff;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--gray)}
.crumbs .container{padding-top:12px;padding-bottom:12px}
.crumbs a{color:var(--blue)}
.crumbs a:hover{color:var(--orange)}
.crumbs span{margin:0 6px;color:#c3c9d6}

/* Hero */
.hero{background:var(--grad-hero);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.14),transparent 70%)}
.hero-inner{display:flex;align-items:center;gap:40px;padding:64px 0;position:relative;z-index:2}
.hero-text{flex:1.2}
.hero-text h1{font-size:42px;line-height:1.25;margin-bottom:18px;font-weight:800}
.hero-text h1 em{font-style:normal;color:#ffd166}
.hero-text p{font-size:18px;color:#e6f0ff;max-width:560px;margin-bottom:28px}
.hero-stats{display:flex;gap:32px;margin-bottom:28px;flex-wrap:wrap}
.hero-stats b{font-size:28px;color:#ffd166;display:block}
.hero-stats span{font-size:14px;color:#dbe7fb}
.hero-img{flex:1;text-align:center}
.hero-img img{border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.35);max-width:420px;margin:0 auto}

/* 按钮 */
.btn{display:inline-block;padding:13px 30px;border-radius:28px;font-size:16px;font-weight:600;cursor:pointer;text-align:center}
.btn-cta{background:var(--grad-cta);color:#fff;box-shadow:0 8px 22px rgba(255,122,26,.4)}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,122,26,.5)}
.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)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue2)}
.btn-outline{border:1.5px solid var(--blue);color:var(--blue);background:#fff}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-sm{padding:8px 18px;font-size:14px}

/* 章节 */
.section{padding:56px 0}
.section-head{text-align:center;margin-bottom:40px}
.section-head h2{font-size:30px;color:var(--dark);margin-bottom:10px;font-weight:800}
.section-head p{color:var(--gray);font-size:16px}
.kicker{display:inline-block;background:linear-gradient(90deg,#eaf2ff,#e8fbff);color:var(--blue);padding:5px 16px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:12px}

/* 卡片 */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border-radius:16px;padding:26px;box-shadow:0 4px 16px rgba(30,50,90,.06);border:1px solid var(--line);transition:.3s}
.card:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(30,50,90,.12)}
.card .icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:10px;color:var(--dark)}
.card p{color:var(--gray);font-size:15px}
.card a.more{color:var(--blue);font-weight:600;font-size:14px;display:inline-block;margin-top:12px}
.card a.more:hover{color:var(--orange)}

/* 色块背景 */
.bg-blue{background:linear-gradient(135deg,#eaf2ff,#e3f6ff)}
.bg-orange{background:linear-gradient(135deg,#fff3e8,#fff8f0)}
.bg-green{background:linear-gradient(135deg,#e8f8ee,#f0fbf4)}
.bg-purple{background:linear-gradient(135deg,#efeaff,#f7f4ff)}
.bg-cyan{background:linear-gradient(135deg,#e0f9fd,#edfcff)}
.bg-pink{background:linear-gradient(135deg,#ffeef6,#fff5fa)}

/* 渐变图标 */
.i-blue{background:linear-gradient(135deg,#1667d6,#00b8d4)}
.i-orange{background:linear-gradient(135deg,#ff7a1a,#f5a623)}
.i-green{background:linear-gradient(135deg,#16a34a,#4ade80)}
.i-purple{background:linear-gradient(135deg,#6a4df0,#a78bfa)}
.i-pink{background:linear-gradient(135deg,#e83e8c,#f472b6)}
.i-cyan{background:linear-gradient(135deg,#00b8d4,#22d3ee)}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-cat{background:#fff;border-radius:16px;margin-bottom:18px;overflow:hidden;box-shadow:0 4px 16px rgba(30,50,90,.06);border:1px solid var(--line)}
.faq-cat-head{display:flex;align-items:center;gap:12px;padding:20px 26px;cursor:pointer;font-size:18px;font-weight:700;color:var(--dark)}
.faq-cat-head .badge{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;flex-shrink:0}
.faq-body{padding:0 26px 22px}
.faq-q{background:var(--light);border-left:4px solid var(--blue);border-radius:0 12px 12px 0;padding:14px 18px;margin:14px 0 10px;font-weight:600;color:var(--dark)}
.faq-a{padding:0 6px;color:#3c4657}
.faq-a ol{padding-left:22px;margin:8px 0}
.faq-a ol li{margin:6px 0}

/* 新闻卡片 */
.news-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 16px rgba(30,50,90,.06);border:1px solid var(--line);transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(30,50,90,.12)}
.news-card img{height:180px;width:100%;object-fit:cover}
.news-card .body{padding:20px;flex:1;display:flex;flex-direction:column}
.news-card .cat{font-size:12px;color:var(--blue);font-weight:600;background:#eaf2ff;display:inline-block;padding:3px 10px;border-radius:12px;margin-bottom:10px;width:fit-content}
.news-card h3{font-size:17px;margin-bottom:8px;line-height:1.5}
.news-card h3 a:hover{color:var(--blue)}
.news-card .meta{font-size:12.5px;color:#9aa3b5;margin-top:auto}

/* 新闻详情 */
.article-wrap{display:grid;grid-template-columns:1fr 320px;gap:30px;align-items:start}
.article-main{background:#fff;border-radius:16px;padding:40px;box-shadow:0 4px 16px rgba(30,50,90,.06);border:1px solid var(--line)}
.article-main h1{font-size:30px;line-height:1.4;margin-bottom:16px;color:var(--dark)}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;color:#9aa3b5;font-size:13.5px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:24px}
.article-content p{margin-bottom:18px;color:#3c4657;font-size:16.5px;text-align:justify}
.article-content h2{font-size:22px;color:var(--dark);margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--blue)}
.article-content img{border-radius:12px;margin:16px 0;width:100%}
.article-content figure{margin:16px 0}
.article-content figcaption{font-size:13px;color:#9aa3b5;text-align:center;margin-top:6px}
.sidebar{display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border-radius:16px;padding:22px;box-shadow:0 4px 16px rgba(30,50,90,.06);border:1px solid var(--line)}
.side-card h4{font-size:16px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--line);color:var(--dark)}
.side-card ul li{padding:8px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.side-card ul li:last-child{border-bottom:none}
.side-card ul li a:hover{color:var(--blue)}
.side-card ul li .n{color:var(--orange);font-weight:700;margin-right:6px}
.hot-rank li{display:flex;align-items:flex-start;gap:10px}
.hot-rank .rank{width:22px;height:22px;background:var(--grad-cta);color:#fff;border-radius:6px;font-size:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}

/* 评论 */
.comments{margin-top:36px}
.comments h3{font-size:20px;margin-bottom:18px;color:var(--dark)}
.comment{background:var(--light);border-radius:12px;padding:16px 18px;margin-bottom:14px}
.comment .u{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.comment .avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px}
.comment .u b{font-size:14.5px;color:var(--dark)}
.comment .u time{font-size:12px;color:#9aa3b5;margin-left:auto}
.comment p{font-size:14.5px;color:#3c4657}

/* 分页/上一篇下一篇 */
.prev-next{display:flex;justify-content:space-between;gap:16px;margin-top:30px}
.prev-next a{flex:1;background:var(--light);border-radius:12px;padding:14px 18px;font-size:14px;color:var(--dark);border:1px solid var(--line)}
.prev-next a:hover{border-color:var(--blue);color:var(--blue)}
.prev-next a.next{text-align:right}
.back-list{display:inline-block;margin-top:24px;color:var(--blue);font-weight:600}

/* 下载页 */
.dl-hero{background:var(--grad-hero);color:#fff;text-align:center;padding:70px 0}
.dl-hero h1{font-size:38px;margin-bottom:14px}
.dl-hero p{color:#e6f0ff;font-size:17px;margin-bottom:30px}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:-40px}
.dl-card{background:#fff;border-radius:18px;padding:30px;text-align:center;box-shadow:0 10px 30px rgba(30,50,90,.12);border:1px solid var(--line);position:relative}
.dl-card .plat{font-size:48px;margin-bottom:12px}
.dl-card h3{font-size:20px;margin-bottom:8px}
.dl-card .ver{font-size:13px;color:#9aa3b5;margin-bottom:16px}
.dl-card .size{font-size:13px;color:var(--gray);margin-bottom:16px}

/* 表格 */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px}
th{background:var(--grad-hero);color:#fff;font-weight:600}
tr:nth-child(even){background:#fafbfe}

/* 页脚 */
.footer{background:#121a2b;color:#9aa7bd;padding:50px 0 24px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer ul li{margin:8px 0;font-size:14px}
.footer ul li a:hover{color:#ffd166}
.footer .brand p{font-size:14px;margin-top:12px;max-width:300px}
.footer-bottom{border-top:1px solid #26324a;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px}
.footer-bottom a{color:#b9c4d6}
.footer-bottom a:hover{color:#ffd166}

/* 页脚统计代码说明区 */
.analytics-note{font-size:12px;color:#5b6a85;margin-top:14px;text-align:center}

/* 响应式 */
@media(max-width:960px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-inner{flex-direction:column;text-align:center}
  .hero-stats{justify-content:center}
  .article-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .topbar-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:10px}
}
@media(max-width:560px){
  .grid-3,.grid-4,.grid-2,.dl-grid{grid-template-columns:1fr}
  .hero-text h1{font-size:30px}
  .article-main{padding:22px}
  .footer-grid{grid-template-columns:1fr}
}