/* ================= 导航站前台样式 ================= */
:root{
  --primary:#ff6a00;
  --primary-2:#ff3d5a;
  --primary-soft:#fff3ea;
  --bg:#f5f6f8;
  --card:#ffffff;
  --text:#1f2329;
  --text-2:#5c6470;
  --text-3:#98a0ac;
  --line:#ececf0;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 6px 20px rgba(16,24,40,.06);
  --shadow-hover:0 4px 10px rgba(255,106,0,.10),0 14px 34px rgba(255,61,90,.14);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}

/* ---------- 头部 ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;font-weight:700;font-size:19px;box-shadow:0 4px 12px rgba(255,106,0,.32)
}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{font-size:18px;letter-spacing:.5px}
.logo-text i{font-style:normal;font-size:12px;color:var(--text-3)}

.search-box{position:relative;flex:1 1 auto;max-width:520px;margin:0 auto}
.search-box input{
  width:100%;height:42px;padding:0 46px 0 16px;border:1px solid var(--line);
  border-radius:21px;background:#f7f8fa;font-size:14px;color:var(--text);outline:none;
  transition:border-color .18s,background .18s,box-shadow .18s
}
.search-box input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(255,106,0,.12)}
.search-box button{
  position:absolute;right:5px;top:5px;width:32px;height:32px;border:0;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;cursor:pointer;
  display:grid;place-items:center
}
.search-sug{
  position:absolute;left:0;right:0;top:48px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);overflow:hidden;z-index:60
}
.search-sug a{display:flex;align-items:center;gap:10px;padding:9px 14px;font-size:14px}
.search-sug a:hover{background:var(--primary-soft)}
.search-sug img{width:20px;height:20px;border-radius:5px;object-fit:contain}
.search-sug span{color:var(--text-3);font-size:12px;margin-left:auto}

.header-links{display:flex;gap:16px;font-size:13px;color:var(--text-2);flex:0 0 auto}
.header-links a:hover{color:var(--primary)}

.cat-nav{border-top:1px solid var(--line);background:#fff}
.cat-nav-inner{display:flex;gap:6px;overflow-x:auto;padding:9px 16px;scrollbar-width:none}
.cat-nav-inner::-webkit-scrollbar{display:none}
.cat-chip{
  flex:0 0 auto;padding:6px 14px;border-radius:16px;font-size:13px;color:var(--text-2);
  background:#f4f5f7;white-space:nowrap;transition:.18s
}
.cat-chip:hover,.cat-chip.active{background:var(--primary-soft);color:var(--primary)}

/* ---------- 区块 ---------- */
section.block{margin-top:24px}
.sec-head{display:flex;align-items:baseline;gap:10px;margin:0 0 12px;padding-left:11px;border-left:4px solid var(--primary)}
.sec-head h2{margin:0;font-size:18px;font-weight:700}
.sec-head .sec-remark{font-size:13px;color:var(--text-3)}
.sec-head .sec-more{margin-left:auto;font-size:13px;color:var(--text-3)}

.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:12px}
.site-card{
  display:flex;align-items:center;gap:11px;padding:12px 13px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);transition:.2s;position:relative
}
.site-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#ffd6bd}
.site-card .ico{
  width:40px;height:40px;flex:0 0 40px;border-radius:11px;object-fit:contain;
  background:#f6f7f9;padding:5px
}
.site-card .ico-fallback{
  width:40px;height:40px;flex:0 0 40px;border-radius:11px;display:grid;place-items:center;
  color:#fff;font-weight:600;font-size:17px;background:linear-gradient(135deg,#ff8a3d,#ff3d5a)
}
.site-card .meta{min-width:0;flex:1 1 auto}
.site-card .nm{
  font-size:14.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  display:flex;align-items:center;gap:5px
}
.site-card .nm .tag-top{
  font-size:10px;font-weight:500;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));
  border-radius:4px;padding:1px 4px;flex:0 0 auto
}
.site-card .ds{
  font-size:12px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px
}
.site-card .arrow{color:var(--text-3);opacity:0;transform:translateX(-4px);transition:.2s;flex:0 0 auto}
.site-card:hover .arrow{opacity:1;transform:none}

/* 热门区 */
.hot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.hot-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 10px;
  text-align:center;transition:.2s
}
.hot-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#ffd6bd}
.hot-card .ico{width:44px;height:44px;margin:0 auto 9px;border-radius:13px;object-fit:contain;background:#f6f7f9;padding:6px}
.hot-card .ico-fallback{
  width:44px;height:44px;margin:0 auto 9px;border-radius:13px;display:grid;place-items:center;
  color:#fff;font-weight:600;font-size:19px;background:linear-gradient(135deg,#ff8a3d,#ff3d5a)
}
.hot-card .nm{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hot-card .ds{font-size:11.5px;color:var(--text-3);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 首页 banner */
.hero{
  margin-top:20px;padding:26px 26px;border-radius:18px;color:#fff;
  background:linear-gradient(120deg,#ff7a2f 0%,#ff4d6a 55%,#ff3d5a 100%);
  box-shadow:0 10px 30px rgba(255,90,60,.25)
}
.hero h1{margin:0 0 8px;font-size:25px;font-weight:800;letter-spacing:.5px}
.hero p{margin:0;font-size:14px;opacity:.94}
.hero-stats{display:flex;gap:26px;margin-top:16px;flex-wrap:wrap}
.hero-stats div b{display:block;font-size:21px;font-weight:800}
.hero-stats div span{font-size:12px;opacity:.9}

/* ---------- 跳转中间页 ---------- */
.go-wrap{max-width:720px;margin:26px auto}
.go-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.go-top{padding:28px 26px 22px;text-align:center;border-bottom:1px dashed var(--line)}
.go-top .ico{width:72px;height:72px;margin:0 auto 14px;border-radius:20px;object-fit:contain;background:#f6f7f9;padding:10px}
.go-top .ico-fallback{
  width:72px;height:72px;margin:0 auto 14px;border-radius:20px;display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:30px;background:linear-gradient(135deg,#ff8a3d,#ff3d5a)
}
.go-top h1{margin:0 0 6px;font-size:22px}
.go-top .go-desc{margin:0;color:var(--text-2);font-size:14px}
.go-url{
  display:block;margin:14px auto 0;max-width:520px;padding:10px 14px;background:#f7f8fa;
  border:1px solid var(--line);border-radius:10px;font-size:13px;color:var(--text-2);
  word-break:break-all
}
.go-body{padding:22px 26px 26px;text-align:center}
.go-tip{font-size:13px;color:var(--text-3);margin:0 0 14px}
.go-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:240px;height:50px;
  padding:0 30px;border-radius:25px;border:0;cursor:pointer;color:#fff;font-size:16px;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 22px rgba(255,90,60,.30);transition:.2s
}
.go-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,90,60,.40)}
.go-meta{display:flex;justify-content:center;gap:22px;margin-top:18px;font-size:12.5px;color:var(--text-3);flex-wrap:wrap}
.go-back{margin-top:18px;font-size:13px;color:var(--text-3)}
.go-back a{color:var(--primary)}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin-top:10px}
.notice{
  display:flex;gap:8px;align-items:flex-start;padding:12px 14px;background:#fff8f0;
  border:1px solid #ffe0c7;border-radius:12px;color:#a1541a;font-size:13px;text-align:left
}

/* ---------- 搜索结果 ---------- */
.result-head{margin:22px 0 14px;font-size:15px;color:var(--text-2)}
.result-head b{color:var(--primary)}
.empty{padding:60px 20px;text-align:center;color:var(--text-3)}
.empty p{margin:0 0 6px;font-size:16px;color:var(--text-2)}

/* ---------- 底部 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:40px;padding:34px 0 20px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.footer-col h4{margin:0 0 12px;font-size:15px}
.footer-desc{color:var(--text-3);font-size:13px;margin:0}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.copyright{
  display:flex;gap:8px 20px;flex-wrap:wrap;justify-content:center;
  border-top:1px solid var(--line);margin-top:26px;padding-top:18px;font-size:12.5px;color:var(--text-3)
}
.to-top{
  position:fixed;right:20px;bottom:26px;width:42px;height:42px;border:0;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);color:var(--text-2);
  cursor:pointer;display:grid;place-items:center;z-index:40
}
.to-top:hover{color:var(--primary);border-color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:860px){
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 16px;gap:12px}
  .search-box{order:3;max-width:none;width:100%;margin:0}
  .header-links{margin-left:auto}
  .footer-inner{grid-template-columns:1fr 1fr;gap:20px}
  .hero{padding:20px}
  .hero h1{font-size:21px}
}
@media (max-width:560px){
  .wrap{padding:0 12px}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .hot-grid{grid-template-columns:repeat(3,1fr);gap:10px}
  .site-card{padding:10px;gap:9px}
  .site-card .ico,.site-card .ico-fallback{width:34px;height:34px;flex-basis:34px}
  .site-card .ds{display:none}
  .footer-inner{grid-template-columns:1fr}
  .go-btn{width:100%;min-width:0}
}