:root{
  --bg:#F3F4FA;--card:#FFF;--ink:#1E2333;--ink-2:#5A6072;--ink-3:#9AA0B4;
  --line:#E7E9F4;--brand:#5B5BD6;--radius:14px;
  --shadow:0 1px 2px rgba(20,24,60,.03),0 4px 14px rgba(20,24,60,.05);
  --shadow-hover:0 4px 8px rgba(20,24,60,.06),0 18px 44px rgba(20,24,60,.13);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1200px 500px at 50% -10%,rgba(91,91,214,.05),transparent)}
a{color:inherit;text-decoration:none}

.hero{position:relative;overflow:hidden;color:#fff;padding:52px 20px 60px;
  background:radial-gradient(900px 340px at 12% -10%,rgba(139,92,246,.55),transparent 60%),
    radial-gradient(800px 320px at 90% 0%,rgba(62,123,250,.5),transparent 60%),
    linear-gradient(135deg,#4B46C8 0%,#6D4AE0 46%,#8B5CF6 100%)}
.hero::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 80%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 80%);pointer-events:none}
.hero-inner{position:relative;max-width:1080px;margin:0 auto;text-align:center}
.logo-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:16px}
.logo-mark{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:20px;box-shadow:0 4px 14px rgba(0,0,0,.15)}
.logo-name{font-size:17px;font-weight:700}
h1{font-size:clamp(28px,5vw,44px);font-weight:900;line-height:1.2}
.hero p{margin-top:12px;font-size:clamp(14px,2.2vw,17px);color:rgba(255,255,255,.86)}

.search-box{margin:26px auto 0;max-width:640px;display:flex;align-items:center;gap:6px;
  background:#fff;border-radius:14px;padding:7px;box-shadow:0 12px 40px rgba(20,24,60,.22)}
.search-box select{border:none;outline:none;background:transparent;font-size:14px;color:var(--ink);
  padding:8px 10px;border-right:1px solid var(--line);cursor:pointer;max-width:120px}
.search-box input{flex:1;border:none;outline:none;font-size:15px;color:var(--ink);padding:8px 10px;min-width:0}
.search-btn{border:none;cursor:pointer;font-weight:700;font-size:15px;color:#fff;
  background:linear-gradient(135deg,#5B5BD6,#7C5CF0);border-radius:10px;padding:10px 22px;min-height:44px}

.wrap{max-width:1080px;margin:0 auto;padding:0 20px 60px}

.cat-nav{position:sticky;top:0;z-index:20;background:rgba(243,244,250,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  margin:22px 0 0;padding:12px 20px;border-bottom:1px solid var(--line);
  display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.filter-input{flex:1;min-width:180px;max-width:300px;border:1px solid var(--line);
  border-radius:10px;outline:none;font-size:14px;color:var(--ink);padding:9px 14px;background:#fff}
.chips{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.chip{border:none;cursor:pointer;font-size:13.5px;color:var(--ink-2);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:7px 15px;min-height:38px;white-space:nowrap;
  transition:all .2s var(--ease)}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700;
  box-shadow:0 4px 12px rgba(91,91,214,.3)}

.section{margin-top:44px}
.sec-head{display:flex;align-items:baseline;gap:12px;margin-bottom:18px}
.sec-dot{width:12px;height:12px;border-radius:4px;flex:none;align-self:center}
.sec-title{font-size:22px;font-weight:900;letter-spacing:-.3px}
.sec-count{font-size:13px;color:var(--ink-3)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{display:flex;align-items:center;gap:13px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;
  box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(91,91,214,.3)}
.card-ico{width:46px;height:46px;border-radius:12px;flex:none;color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:19px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 2px 6px rgba(0,0,0,.08);
  overflow:hidden}
.card-ico img{width:100%;height:100%;object-fit:cover;animation:fadeIn .3s var(--ease)}
@keyframes fadeIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}
.card-name{font-size:15px;font-weight:700;display:block;line-height:1.3}
.card-desc{font-size:13px;color:var(--ink-2);margin-top:2px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.hot-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.hot-card{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.hot-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.hot-rank{font-size:22px;font-weight:900;color:#F0562A;flex:none}
.hot-name{font-size:15px;font-weight:700;display:block}
.hot-desc{font-size:13px;color:var(--ink-2)}

.empty{text-align:center;color:var(--ink-3);padding:46px 0;font-size:15px}
.footer{margin-top:52px;padding-top:22px;border-top:1px solid var(--line);text-align:center;
  color:var(--ink-3);font-size:13px}
.footer a{color:var(--brand)}

#toTop{position:fixed;right:22px;bottom:26px;z-index:30;width:44px;height:44px;border-radius:12px;
  border:none;cursor:pointer;background:var(--brand);box-shadow:var(--shadow-hover);
  display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .25s}
#toTop.show{opacity:1;pointer-events:auto}

@media(max-width:760px){.hot-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:560px){
  .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
  .hot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .filter-input{max-width:none}
  .chip{min-height:44px}
  .card-desc,.hot-desc{font-size:14px}
}

/* 问候 */
.greet{font-size:14px !important;margin-top:8px !important;opacity:.9}
#darkToggle{margin-left:8px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  color:#fff;width:34px;height:34px;border-radius:10px;cursor:pointer;font-size:15px}

/* 公告条 */
.announce{background:#fff7e6;color:#ad6800;text-align:center;font-size:14px;padding:10px 16px;
  border-bottom:1px solid #ffd591}

/* NEW / 热门角标 */
.tag{display:inline-block;font-size:10px;padding:1px 5px;border-radius:4px;margin-left:4px;vertical-align:middle}
.tag-new{background:#e8f8f0;color:#17a673}
.tag-hot{background:#fdecec;color:#e04536}

/* 友链区 */
.friend-links{display:flex;flex-wrap:wrap;gap:10px}
.flink{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13px;
  color:var(--ink-2);transition:all .18s;display:inline-flex;align-items:center;gap:6px}
.flink img{width:16px;height:16px;border-radius:3px}
.flink-fallback{width:18px;height:18px;border-radius:5px;background:linear-gradient(135deg,#5b5bd6,#8b5cf6);color:#fff;
  font-size:11px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;flex:none}
.friend-grid{margin-top:14px}
.card-icon img{width:100%;height:100%;object-fit:cover;border-radius:inherit}
.flink:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.apply-row{text-align:center;margin-top:26px}
.apply-row a{color:var(--brand);font-size:14px}

/* 暗色模式 */
html.dark{
  --bg:#15171d;--card:#22252e;--ink:#e8eaf2;--ink-2:#a6abbd;--ink-3:#6b7080;
  --line:#30343f;--shadow:0 1px 2px rgba(0,0,0,.2),0 6px 24px rgba(0,0,0,.3);
  --shadow-hover:0 2px 4px rgba(0,0,0,.25),0 16px 40px rgba(0,0,0,.45);
}
html.dark body{background:var(--bg)}
html.dark .cat-nav{background:rgba(21,23,29,.92)}
html.dark .filter-input{background:#22252e;color:var(--ink);border-color:#30343f}
html.dark .search-box select{background:transparent;color:#fff}
html.dark .announce{background:#2a2410;color:#f0c060;border-bottom-color:#4a3d18}

/* 紧凑视图 */
body.compact .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
body.compact .card{padding:10px 12px}
body.compact .card-ico{width:32px;height:32px;font-size:14px}
body.compact .card-name{font-size:13px}
body.compact .card-desc{display:none}

/* 二维码弹窗 */
.qr-modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:999}
.qr-modal-box{background:#fff;border-radius:16px;padding:24px;text-align:center}
.qr-modal-box h3{margin-bottom:14px}
.qr-modal-box img{border-radius:8px}
.qr-modal-box p{margin:12px 0;font-size:13px;color:#9aa0b4}
.qr-modal-box button{background:#5b5bd6;color:#fff;border:none;padding:8px 20px;border-radius:8px;cursor:pointer}

/* 卡片悬停网站预览 */
.site-preview{position:fixed;width:320px;z-index:998;display:none;box-shadow:0 12px 40px rgba(0,0,0,.2);
  border-radius:10px;overflow:hidden;background:#fff;pointer-events:none}
.site-preview img{width:100%;display:block}