/* ============================================================
   AI 导航站 - 前台样式表
   ============================================================ */
:root{
  --pri:#4f7cff; --pri2:#6d5cff; --pri-l:#eef2ff; --pri-b:#dbe3ff;
  --txt:#1e2430; --txt2:#5b6577; --txt3:#8b95a7;
  --bg:#f5f7fb; --card:#ffffff; --line:#e8ecf4; --line2:#f0f3f9;
  --ok:#16a34a; --warn:#f59e0b; --no:#ef4444;
  --r:14px; --r-s:10px;
  --sh:0 2px 10px rgba(23,37,84,.05);
  --sh-h:0 10px 30px rgba(35,60,150,.12);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);
  font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;}
a{color:inherit;text-decoration:none;transition:color .15s}
a:hover{color:var(--pri)}
img{max-width:100%;border:0;vertical-align:middle}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}

/* ---------------- 顶部导航 ---------------- */
.hd{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:22px;height:64px}
.logo{display:flex;align-items:center;gap:9px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:0 4px 12px rgba(79,124,255,.32)}
.logo-txt b{display:block;font-size:16px;letter-spacing:.2px}
.logo-txt i{display:block;font-style:normal;font-size:11px;color:var(--txt3);margin-top:-2px;
  max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav{display:flex;gap:2px;flex:1;overflow:hidden}
.nav a{padding:7px 11px;border-radius:8px;font-size:14px;color:var(--txt2);white-space:nowrap}
.nav a:hover{background:var(--pri-l);color:var(--pri)}
.hd-search{position:relative;display:flex;align-items:center;gap:8px;width:250px;height:38px;padding:0 12px;
  background:#f3f5fa;border:1px solid transparent;border-radius:10px;color:var(--txt3);flex-shrink:0}
.hd-search:focus-within{background:#fff;border-color:var(--pri);box-shadow:0 0 0 3px rgba(79,124,255,.12)}
.hd-search input{flex:1;border:0;background:transparent;outline:none;color:var(--txt);font-size:13.5px}
.hd-sug{position:absolute;top:46px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh-h);overflow:hidden;display:none;z-index:60}
.hd-sug a{display:flex;align-items:center;gap:10px;padding:9px 13px;font-size:13.5px}
.hd-sug a:hover{background:var(--pri-l)}
.hd-sug b{font-weight:600}
.hd-sug em{font-style:normal;color:var(--txt3);font-size:12px;margin-left:auto}
.hd-user{display:flex;align-items:center;gap:8px;flex-shrink:0}
.btn-primary,.btn-ghost,.btn-visit,.btn-copy{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:38px;padding:0 18px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:500;
  cursor:pointer;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff!important;
  box-shadow:0 4px 14px rgba(79,124,255,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--txt2)}
.btn-ghost:hover{border-color:var(--pri-b);color:var(--pri);background:var(--pri-l)}
.btn-lg{height:44px;padding:0 30px;font-size:15px;font-weight:600}
.btn-block{width:100%}
.menu-btn{display:none;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--line);
  background:#fff;border-radius:9px;color:var(--txt2);cursor:pointer}
.hd-mobile{display:none;flex-wrap:wrap;gap:6px;padding:10px 20px 16px;border-top:1px solid var(--line2);background:#fff}
.hd-mobile a{padding:6px 12px;background:#f4f6fb;border-radius:8px;font-size:13.5px;color:var(--txt2)}
.hd-mobile.show{display:flex}

.notice-bar{background:linear-gradient(90deg,#eef2ff,#f5f0ff);color:#4356c9;font-size:13px;padding:9px 0;
  border-bottom:1px solid var(--pri-b)}

/* ---------------- Hero ---------------- */
.hero{background:linear-gradient(180deg,#fff 0%,#f7f9ff 60%,var(--bg) 100%);padding:52px 0 44px;text-align:center;
  border-bottom:1px solid var(--line2)}
.hero-title{font-size:40px;font-weight:800;letter-spacing:-.5px}
.hero-title span{background:linear-gradient(120deg,var(--pri),var(--pri2) 60%,#a855f7);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:var(--txt2);font-size:15px;margin:12px 0 26px}
.hero-search{display:flex;align-items:center;gap:10px;max-width:640px;margin:0 auto;height:56px;padding:0 8px 0 20px;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 30px rgba(30,60,150,.09);color:var(--txt3)}
.hero-search:focus-within{border-color:var(--pri);box-shadow:0 10px 34px rgba(79,124,255,.18)}
.hero-search input{flex:1;border:0;outline:none;font-size:15px;background:transparent;color:var(--txt)}
.hero-search button{height:42px;padding:0 26px;border:0;border-radius:11px;cursor:pointer;color:#fff;font-size:14.5px;
  font-weight:600;background:linear-gradient(135deg,var(--pri),var(--pri2))}
.hero-tags{margin-top:16px;font-size:13px;color:var(--txt3)}
.hero-tags a{display:inline-block;margin:4px 4px 0;padding:3px 11px;background:#eef1f8;border-radius:20px;color:var(--txt2)}
.hero-tags a:hover{background:var(--pri-l);color:var(--pri)}
.hero-stat{display:flex;justify-content:center;gap:56px;margin-top:32px}
.hero-stat div{text-align:center}
.hero-stat b{display:block;font-size:26px;font-weight:800;color:var(--pri);letter-spacing:-.5px}
.hero-stat i{font-style:normal;font-size:12.5px;color:var(--txt3)}

/* ---------------- 通用区块 ---------------- */
.main{min-height:60vh;padding-bottom:20px}
.sec{padding:34px 0 8px}
.sec-head{position:relative;margin-bottom:18px;padding-right:120px}
.sec-head h2{display:flex;align-items:center;gap:9px;font-size:20px}
.sec-head h2 a{color:var(--txt)}
.sec-ico{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:var(--pri-l);color:var(--c,var(--pri))}
.sec-dot{display:inline-block;width:4px;height:18px;border-radius:3px;
  background:linear-gradient(180deg,var(--pri),var(--pri2));margin-right:2px}
.sec-en{font-style:normal;font-size:12px;color:var(--txt3);font-weight:400;letter-spacing:.4px}
.sec-head p{color:var(--txt3);font-size:13px;margin:6px 0 0 4px}
.sec-more{position:absolute;right:0;top:8px;font-size:13px;color:var(--txt3)}
.sec-more:hover{color:var(--pri)}
.sub-cates{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px 4px}
.sub-cates a{padding:4px 12px;background:#fff;border:1px solid var(--line);border-radius:20px;font-size:12.5px;color:var(--txt2)}
.sub-cates a:hover{border-color:var(--pri-b);background:var(--pri-l);color:var(--pri)}
.sub-cates-lg a{background:#f4f6fb;border-color:transparent;font-size:13px;padding:6px 14px}

.cate-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;background:#fff;border:1px solid var(--line);
  border-radius:11px;font-size:13.5px;color:var(--txt);box-shadow:var(--sh)}
.chip svg{color:var(--c,var(--pri))}
.chip em{font-style:normal;font-size:11.5px;color:#fff;background:var(--c,var(--pri));border-radius:20px;padding:1px 7px;opacity:.85}
.chip:hover{border-color:var(--c,var(--pri));transform:translateY(-2px);box-shadow:var(--sh-h);color:var(--txt)}

/* ---------------- 网格卡片 ---------------- */
.grid{display:grid;gap:14px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh)}
.site-card{position:relative;transition:.18s;overflow:hidden}
.site-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:var(--pri-b)}
.site-main{display:flex;align-items:flex-start;gap:12px;padding:15px 15px 40px}
.site-logo{width:44px;height:44px;border-radius:11px;background:#f5f7fc;display:flex;align-items:center;
  justify-content:center;overflow:hidden;flex-shrink:0}
.site-logo img{width:30px;height:30px;object-fit:contain}
.site-logo-fb{width:100%;height:100%;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  color:#fff;background:linear-gradient(135deg,var(--pri),var(--pri2))}
.site-body{flex:1;min-width:0}
.site-top{display:flex;align-items:center;gap:6px}
.site-name{font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.site-desc{display:block;font-size:12.5px;color:var(--txt2);margin:5px 0 8px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:38px}
.site-meta{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:11.5px;color:var(--txt3)}
.site-cate{font-style:normal;color:var(--pri);background:var(--pri-l);padding:1px 8px;border-radius:6px}
.site-host{font-style:normal;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#a6aec0}
.site-tools{position:absolute;right:12px;bottom:11px;display:flex;align-items:center;gap:6px;z-index:2}
.site-go{font-size:11.5px;color:#a8b1c2;padding:2px 9px;border-radius:7px;border:1px solid var(--line);background:#fff}
.site-go:hover{color:var(--pri);border-color:var(--pri-b);background:var(--pri-l)}
.site-out{width:24px;height:24px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;
  color:#c2c9d8;transition:.18s}
.site-card:hover .site-out{background:var(--pri);color:#fff}
.badge-hot{font-style:normal;font-size:10px;font-weight:700;color:#fff;background:linear-gradient(135deg,#ff6a3d,#ef4444);
  padding:1px 6px;border-radius:5px;letter-spacing:.3px}
.badge-rec{font-style:normal;font-size:10px;font-weight:600;color:#7c3aed;background:#f3efff;padding:1px 6px;border-radius:5px}
.tag{font-size:11px;padding:1px 7px;border-radius:5px;font-weight:500}
.tag-free{background:#e8f8ee;color:#12843f}
.tag-freemium{background:#fff4e2;color:#b06d00}
.tag-paid{background:#fdeaea;color:#c02626}

/* ---------------- 首页布局 ---------------- */
.home-main{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:26px;align-items:start;padding-top:8px}
.home-left{min-width:0}
.cate-block{padding-top:22px}
.cate-block .sec-head h2{--c:var(--pri)}
.home-side,.page-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:80px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--sh)}
.side-title{display:flex;align-items:center;gap:7px;font-size:14.5px;margin-bottom:12px;padding-bottom:10px;
  border-bottom:1px solid var(--line2)}
.side-title svg{color:var(--pri)}
.row-list{display:flex;flex-direction:column;gap:2px}
.row-item{display:flex;align-items:center;gap:10px;padding:7px 8px;border-radius:9px}
.row-item:hover{background:#f7f9ff}
.row-no{font-style:normal;width:18px;font-size:12px;font-weight:700;color:#b4bdd0;flex-shrink:0;text-align:center}
.row-no.top{color:#ef4444}
.row-logo{width:26px;height:26px;border-radius:7px;background:#f5f7fc;display:flex;align-items:center;
  justify-content:center;overflow:hidden;flex-shrink:0}
.row-logo img{width:18px;height:18px;object-fit:contain}
.row-logo .site-logo-fb{font-size:12px;border-radius:7px}
.row-txt{min-width:0;flex:1}
.row-txt b{display:block;font-size:13.5px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-txt i{display:block;font-style:normal;font-size:11.5px;color:var(--txt3);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.side-more{display:block;text-align:center;margin-top:10px;padding-top:10px;border-top:1px solid var(--line2);
  font-size:12.5px;color:var(--txt3)}
.side-cta{background:linear-gradient(150deg,#f4f7ff,#f8f4ff);border-color:var(--pri-b)}
.side-cta h3{font-size:15px;margin-bottom:6px}
.side-cta p{font-size:12.5px;color:var(--txt2);margin:0 0 12px}
.side-cta .btn-ghost,.side-cta .btn-primary{margin-bottom:8px}
.side-cta .btn-ghost{margin-bottom:0}
.side-cates{display:flex;flex-direction:column;gap:1px}
.side-cates a{display:flex;justify-content:space-between;padding:6px 9px;border-radius:8px;font-size:13px;color:var(--txt2)}
.side-cates a:hover,.side-cates a.on{background:var(--pri-l);color:var(--pri)}
.side-cates em{font-style:normal;font-size:11.5px;color:var(--txt3)}
.side-list li{position:relative;padding:5px 0 5px 14px;font-size:12.5px;color:var(--txt2);border-bottom:1px dashed var(--line2)}
.side-list li:last-child{border:0}
.side-list li::before{content:"";position:absolute;left:2px;top:13px;width:5px;height:5px;border-radius:50%;background:var(--pri);opacity:.5}

/* ---------------- 广告 ---------------- */
.ad-box{margin:14px 0}
.ad-item{position:relative;display:block;padding:10px 16px;background:linear-gradient(90deg,#f7f9ff,#f5f7fb);
  border:1px dashed var(--pri-b);border-radius:12px;text-align:center;color:var(--txt2);font-size:13px}
.ad-item img{max-height:110px;border-radius:8px}
.ad-item:hover{border-color:var(--pri);color:var(--pri)}
.ad-flag{position:absolute;right:8px;top:6px;font-style:normal;font-size:10px;color:#9aa4b8;background:#fff;
  border:1px solid var(--line);padding:0 5px;border-radius:4px;opacity:.8}
.ad-side .ad-item{min-height:120px;display:flex;align-items:center;justify-content:center}
.ad-footer{max-width:1280px;margin:18px auto 0;padding:0 20px}
.ad-top{max-width:1280px;margin:0 auto 4px;text-align:center}
.ad-top .ad-item{display:inline-block;max-width:100%;padding:6px 10px;vertical-align:top}
.ad-top .ad-item img{display:block;max-width:100%;max-height:88px}
.ad-mid{max-width:1280px;margin:26px auto 0;padding:0 20px}
.ad-bottom{max-width:1280px;margin:26px auto 0;padding:0 20px}

/* ---------------- 文字广告位网格 ---------------- */
.ad-text-sec{padding-top:10px}
.ad-grid{display:grid;grid-template-columns:repeat(auto-fill,200px);gap:6px;justify-content:center;align-items:center}
.ad-grid-item{position:relative;display:flex;align-items:center;justify-content:center;
  width:200px;height:40px;padding:6px 12px;background:#f6f8fb;border:1px solid var(--line);
  border-radius:6px;color:var(--txt2);font-size:12px;text-align:center;transition:.15s;overflow:hidden}
.ad-grid-item:hover{border-color:var(--pri);color:var(--pri);box-shadow:var(--sh)}
.ad-grid-item.empty{height:40px;padding:0 12px;background:#fafbfc;border-style:dashed;color:var(--txt3)}
.ad-grid-item.empty:hover{background:var(--pri-l)}
.ad-grid-item .ad-flag{right:3px;top:3px;font-size:9px;padding:0 3px}
.ad-empty{color:var(--txt3)}
.ad-empty:hover{background:var(--pri-l)}
.ag-txt{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.ag-badge{position:absolute;right:3px;top:3px;font-style:normal;font-size:9px;color:#9aa4b8;
  background:#fff;border:1px solid var(--line);padding:0 3px;border-radius:3px;opacity:.85}

/* ---------------- 积分充值档位 ---------------- */
.recharge-packs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%}
.rp-item{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 12px;
  background:#fff;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;transition:.15s;text-align:center}
.rp-item:hover{border-color:var(--pri-b);background:var(--pri-l)}
.rp-item input{position:absolute;opacity:0;pointer-events:none}
.rp-item:has(input:checked){border-color:var(--pri);background:var(--pri-l);
  box-shadow:0 0 0 3px rgba(79,124,255,.12)}
.rp-money{font-size:20px;font-weight:800;color:var(--pri)}
.rp-points{font-size:12px;color:var(--txt3)}
.pay-types{grid-template-columns:repeat(2,1fr)}
.pay-types .rp-money{font-size:15px;font-weight:600;color:var(--txt)}

/* ---------------- 支付 ---------------- */
.pay-result{margin-top:18px;padding:24px 20px;text-align:center;background:#f7f9ff;
  border:1px solid var(--pri-b);border-radius:var(--r)}
.pay-result h3{font-size:16px;margin-bottom:8px}
.pay-result p{font-size:13px;color:var(--txt2);margin:6px 0}
.pay-result code{background:#fff;border:1px solid var(--line);padding:2px 8px;border-radius:6px;
  font-size:12.5px;color:#c02626;word-break:break-all}
.pay-qr{display:block;width:220px;max-width:100%;height:220px;object-fit:contain;margin:14px auto;padding:10px;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh)}
.pay-result .btn-primary{margin-top:8px}

/* ---------------- 会员中心 ---------------- */
.user-points{display:inline-flex;align-items:center;gap:5px;padding:8px 16px;border-radius:10px;
  background:var(--pri-l);color:var(--pri);font-size:13px;font-weight:500}
.user-points b{font-size:17px;font-weight:800}
.cost-total{color:var(--pri);font-size:16px}

@media (max-width:960px){
  .recharge-packs{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .recharge-packs{grid-template-columns:1fr}
}

/* ---------------- 内页布局 ---------------- */
.page-main{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start;padding:22px 20px 40px}
.page-left{min-width:0}
.crumb{padding:16px 20px 0;font-size:12.5px;color:var(--txt3)}
.crumb a{color:var(--txt3)}
.crumb a:hover{color:var(--pri)}
.crumb i{margin:0 7px;font-style:normal;color:#ccd3e0}
.crumb span{color:var(--txt2)}
.list-head{margin-bottom:18px}
.list-head h1{font-size:24px;letter-spacing:-.3px}
.list-head p{color:var(--txt3);font-size:13.5px;margin:6px 0 0}

.cate-hero{display:flex;align-items:center;gap:16px;padding:22px 24px;border-radius:var(--r);margin-bottom:16px;
  background:linear-gradient(120deg,color-mix(in srgb,var(--c) 10%,#fff),#fff 70%);
  border:1px solid var(--line);box-shadow:var(--sh);position:relative;overflow:hidden}
.cate-hero::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;
  background:var(--c);opacity:.06}
.cate-hero-ico{width:58px;height:58px;border-radius:16px;background:#fff;display:flex;align-items:center;
  justify-content:center;color:var(--c);box-shadow:0 6px 18px rgba(35,60,150,.1);flex-shrink:0}
.cate-hero-txt{flex:1;min-width:0}
.cate-hero-txt h1{font-size:22px}
.cate-hero-txt h1 em{font-style:normal;font-size:12px;color:var(--txt3);font-weight:400;letter-spacing:.5px;margin-left:6px}
.cate-hero-txt p{color:var(--txt2);font-size:13px;margin:6px 0 0}
.cate-hero-num{text-align:center;padding-left:20px;border-left:1px solid var(--line)}
.cate-hero-num b{display:block;font-size:24px;color:var(--c);font-weight:800}
.cate-hero-num i{font-style:normal;font-size:11.5px;color:var(--txt3)}

.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding:8px 14px;
  background:#fff;border:1px solid var(--line);border-radius:11px}
.toolbar-tabs{display:flex;gap:4px}
.toolbar-tabs a{padding:5px 13px;border-radius:8px;font-size:13.5px;color:var(--txt2)}
.toolbar-tabs a:hover{background:var(--pri-l);color:var(--pri)}
.toolbar-tabs a.on{background:var(--pri);color:#fff}
.toolbar-count{font-size:12.5px;color:var(--txt3)}
.toolbar-count b{color:var(--pri)}

/* ---------------- 分页 ---------------- */
.pager{margin:26px 0 8px}
.pager ul{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;align-items:center}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;
  padding:0 11px;background:#fff;border:1px solid var(--line);border-radius:9px;font-size:13.5px;color:var(--txt2)}
.pager a:hover{border-color:var(--pri);color:var(--pri);background:var(--pri-l)}
.pager .active span{background:linear-gradient(135deg,var(--pri),var(--pri2));border-color:transparent;color:#fff;font-weight:600}
.pager .disabled span{background:transparent;border:0;color:#c2c9d8}
.pager .total span{background:transparent;border:0;color:var(--txt3);font-size:12.5px}

/* ---------------- 空状态 ---------------- */
.empty{text-align:center;padding:70px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r);color:var(--txt3)}
.empty p{margin:14px 0;font-size:14px}
.empty-tags{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.empty-tags a{padding:4px 13px;background:#f4f6fb;border-radius:20px;font-size:12.5px}

/* ---------------- 详情页 ---------------- */
.detail-hero{display:flex;align-items:flex-start;gap:18px;padding:24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--sh);flex-wrap:wrap}
.detail-logo{width:70px;height:70px;border-radius:18px;background:#f5f7fc;display:flex;align-items:center;
  justify-content:center;overflow:hidden;flex-shrink:0;box-shadow:0 4px 14px rgba(35,60,150,.08)}
.detail-logo img{width:50px;height:50px;object-fit:contain}
.detail-logo .site-logo-fb{font-size:28px;border-radius:18px}
.detail-info{flex:1;min-width:260px}
.detail-info h1{display:flex;align-items:center;gap:9px;font-size:23px}
.detail-url{display:inline-flex;align-items:center;gap:5px;margin-top:7px;font-size:12.5px;color:var(--txt3)}
.detail-url:hover{color:var(--pri)}
.detail-desc{color:var(--txt2);font-size:13.5px;margin:11px 0 12px;line-height:1.7}
.detail-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:12.5px;color:var(--txt3);align-items:center}
.detail-meta b{color:var(--txt)}
.detail-actions{display:flex;flex-direction:column;gap:9px;min-width:140px}
.btn-visit{height:46px;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff!important;font-size:15px;
  font-weight:600;box-shadow:0 6px 18px rgba(79,124,255,.3)}
.btn-visit:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-copy{height:40px;background:#fff;border-color:var(--line);color:var(--txt2);font-size:13.5px}
.btn-copy:hover{border-color:var(--pri);color:var(--pri)}
.detail-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:14px 0 0;font-size:12.5px;color:var(--txt3)}
.detail-tags a{padding:3px 12px;background:#fff;border:1px solid var(--line);border-radius:20px;color:var(--txt2)}
.detail-tags a:hover{border-color:var(--pri-b);background:var(--pri-l);color:var(--pri)}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);margin-top:18px;overflow:hidden}
.panel-title{font-size:16px;padding:16px 22px;border-bottom:1px solid var(--line2);display:flex;align-items:center;gap:8px}
.panel-title-lg{font-size:22px;padding:22px 24px;border-bottom:1px solid var(--line2)}
.panel-body{padding:20px 22px 24px}
.article{font-size:14.5px;line-height:1.9;color:#2c3444}
.article p{margin:0 0 14px}
.article h3{font-size:15.5px;margin:22px 0 9px;padding-left:10px;border-left:3px solid var(--pri)}
.article ul{margin:0 0 14px;padding-left:2px}
.article li{position:relative;padding-left:16px;margin:6px 0;color:var(--txt2)}
.article li::before{content:"";position:absolute;left:3px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--pri);opacity:.55}
.article a{color:var(--pri);word-break:break-all}
.article code{background:#f4f6fb;padding:2px 7px;border-radius:5px;font-size:13px;color:#c02626}

/* ---------------- 友链 ---------------- */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.link-card{display:flex;align-items:center;gap:11px;padding:14px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--sh)}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:var(--pri-b)}
.link-logo{width:38px;height:38px;border-radius:10px;background:#f5f7fc;display:flex;align-items:center;
  justify-content:center;overflow:hidden;flex-shrink:0}
.link-logo img{width:26px;height:26px;object-fit:contain}
.link-txt{min-width:0}
.link-txt b{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:600}
.link-txt em{display:block;font-style:normal;font-size:12px;color:var(--txt3);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.ft-links-side{display:flex;flex-wrap:wrap;gap:7px}
.ft-links-side a{padding:4px 11px;background:#f4f6fb;border-radius:20px;font-size:12.5px;color:var(--txt2)}

/* ---------------- 表单 ---------------- */
.form{display:grid;gap:16px}
.form-2{grid-template-columns:1fr 1fr}
.fi{display:flex;flex-direction:column;gap:7px;min-width:0}
.fi-full{grid-column:1/-1}
.fi label{font-size:13px;font-weight:500;color:var(--txt2)}
.fi label i{color:var(--no);font-style:normal}
.fi input,.fi select,.fi textarea{width:100%;padding:0 13px;height:42px;border:1px solid var(--line);
  border-radius:10px;background:#fbfcfe;outline:none;color:var(--txt);transition:.15s}
.fi textarea{height:auto;padding:11px 13px;resize:vertical;line-height:1.7}
.fi select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%238b95a7' stroke-width='2'%3E%3Cpath d='M3 5l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;padding-right:34px}
.fi input:focus,.fi select:focus,.fi textarea:focus{border-color:var(--pri);background:#fff;
  box-shadow:0 0 0 3px rgba(79,124,255,.12)}
.form-submit{flex-direction:row;align-items:center;gap:14px;flex-wrap:wrap;margin-top:4px}
.form-hint{font-size:12.5px;color:var(--txt3)}
.form-tip{background:#f7f9ff;border:1px solid var(--pri-b);border-radius:11px;padding:14px 17px;font-size:13px;
  color:var(--txt2);margin-bottom:20px;line-height:1.9}
.form-tip code{background:#fff;border:1px solid var(--line);padding:2px 8px;border-radius:6px;font-size:12.5px;
  color:#c02626;word-break:break-all}
.alert{padding:13px 18px;border-radius:11px;font-size:13.5px;margin-bottom:18px;border:1px solid}
.alert-success{background:#effaf3;border-color:#bbf0cd;color:#12843f}
.alert-error{background:#fef3f3;border-color:#fbd5d5;color:#c02626}
.alert-info{background:#f4f7ff;border-color:var(--pri-b);color:#3b5bdb}

/* ---------------- 登录 / 注册 ---------------- */
.auth-wrap{display:flex;justify-content:center;align-items:center;padding:60px 20px 90px;min-height:60vh}
.auth-box{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:34px 32px;box-shadow:0 12px 40px rgba(30,60,150,.09)}
.auth-brand{text-align:center;margin-bottom:24px}
.auth-brand .logo-mark{width:52px;height:52px;border-radius:15px;font-size:19px;margin:0 auto 12px}
.auth-brand h2{font-size:19px}
.auth-brand p{font-size:12.5px;color:var(--txt3);margin:6px 0 0}
.auth-foot{text-align:center;font-size:12.5px;color:var(--txt3);margin-top:6px}
.auth-foot a{color:var(--pri)}
.auth-foot span{margin:0 7px;color:#ccd3e0}

/* ---------------- 会员中心 ---------------- */
.user-head{display:flex;align-items:center;gap:16px;padding:22px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--sh);margin-bottom:18px;flex-wrap:wrap}
.user-avatar{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--pri),var(--pri2));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;flex-shrink:0}
.user-info{flex:1;min-width:180px}
.user-info h1{font-size:19px}
.user-info p{font-size:12.5px;color:var(--txt3);margin:5px 0 0}
.user-info b{color:var(--pri)}
.user-actions{display:flex;gap:9px}
.table-wrap{overflow-x:auto}
.tb{width:100%;border-collapse:collapse;font-size:13.5px}
.tb th{text-align:left;padding:10px 12px;background:#f8fafd;color:var(--txt2);font-weight:600;font-size:12.5px;
  border-bottom:1px solid var(--line);white-space:nowrap}
.tb td{padding:12px;border-bottom:1px solid var(--line2);vertical-align:top}
.tb tr:last-child td{border-bottom:0}
.tb-remark{font-size:12px;color:var(--warn);margin-top:3px}
.st{display:inline-block;font-size:12px;padding:2px 9px;border-radius:6px}
.st-ok{background:#e8f8ee;color:#12843f}
.st-warn{background:#fff4e2;color:#b06d00}
.st-no{background:#fdeaea;color:#c02626}

/* ---------------- 404 ---------------- */
.err-page{text-align:center;padding:90px 20px}
.err-page h1{font-size:88px;font-weight:800;letter-spacing:-4px;
  background:linear-gradient(135deg,var(--pri),var(--pri2),#a855f7);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.err-page p{color:var(--txt3);margin:6px 0 24px}
.err-actions{display:flex;gap:10px;justify-content:center;margin-bottom:34px}
.err-cates{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:640px;margin:0 auto}
.err-cates a{padding:5px 14px;background:#fff;border:1px solid var(--line);border-radius:20px;font-size:12.5px;color:var(--txt2)}

/* ---------------- 页脚 ---------------- */
.ft{background:#fff;border-top:1px solid var(--line);margin-top:40px}
.ft-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding:40px 20px 30px}
.ft-about p{font-size:13px;color:var(--txt2);margin:12px 0 0;line-height:1.85}
.ft-stat{font-size:12.5px;color:var(--txt3)!important}
.ft-stat b{color:var(--pri)}
.ft-col h4{font-size:14px;margin-bottom:14px}
.ft-links{display:flex;flex-wrap:wrap;gap:8px 14px}
.ft-links a{font-size:12.5px;color:var(--txt2)}
.ft-links a:hover{color:var(--pri)}
.ft-link-apply{color:var(--pri)!important;font-weight:500}
.ft-bar{border-top:1px solid var(--line2);padding:16px 0;font-size:12.5px;color:var(--txt3)}
.ft-bar .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.ft-bar a{color:var(--txt3)}
.ft-bar b{color:var(--txt2)}

.to-top{position:fixed;right:24px;bottom:32px;width:42px;height:42px;border-radius:12px;background:#fff;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--txt2);
  box-shadow:0 6px 20px rgba(30,60,150,.12);opacity:0;visibility:hidden;transition:.25s;z-index:80}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--pri);color:#fff;border-color:transparent}

/* ---------------- 响应式 ---------------- */
@media (max-width:1180px){
  .nav{display:none}
  .home-main{grid-template-columns:minmax(0,1fr) 290px}
  .grid-4{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:960px){
  .menu-btn{display:flex}
  .hd-search{width:190px}
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}
  .home-main,.page-main{grid-template-columns:1fr}
  .home-side,.page-side{position:static}
  .ft-in{grid-template-columns:1fr 1fr;gap:26px}
  .link-grid{grid-template-columns:repeat(2,1fr)}
  .hero-stat{gap:34px}
}
@media (max-width:640px){
  .wrap{padding:0 14px}
  .hd-in{gap:10px;height:58px}
  .logo-txt i{display:none}
  .hd-search{flex:1;width:auto;min-width:0}
  .hd-search input{font-size:13px}
  .hd-user .btn-ghost{display:none}
  .hero{padding:34px 0 30px}
  .hero-title{font-size:27px}
  .hero-sub{font-size:13.5px}
  .hero-search{height:50px}
  .hero-search button{padding:0 18px}
  .hero-stat{gap:22px;flex-wrap:wrap}
  .hero-stat b{font-size:21px}
  .grid-4,.grid-3{grid-template-columns:1fr}
  .form-2{grid-template-columns:1fr}
  .ft-in{grid-template-columns:1fr}
  .link-grid{grid-template-columns:1fr}
  .detail-hero{padding:18px}
  .detail-actions{flex-direction:row;width:100%}
  .detail-actions .btn-visit{flex:1}
  .panel-body{padding:16px}
  .cate-hero{flex-wrap:wrap}
  .cate-hero-num{border:0;padding:0;text-align:left}
}