:root{
  --bg:#FAFAF8; --surface:#FFFFFF; --border:rgba(0,0,0,.08); --border-strong:rgba(0,0,0,.16);
  --text:#1A1A18; --text-2:#6B6A64; --text-3:#9C9B94;
  --accent:#4F46E5; --accent-soft:#EEEDFE;
  --green:#0F6E56; --green-soft:#E1F5EE;
  --amber:#854F0B; --amber-soft:#FAEEDA; --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Inter",-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
header{position:sticky;top:0;z-index:50;background:rgba(250,250,248,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;gap:20px}
.logo{font-size:20px;font-weight:700;letter-spacing:-.5px;display:flex;align-items:center;gap:8px}
.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.logo-img{height:28px;width:auto;max-width:160px;border-radius:8px;object-fit:contain;display:block}
.topbar{background:var(--accent-soft);color:var(--accent);text-align:center;font-size:13px;padding:7px 16px;font-weight:500}
.logo span em{font-style:normal;color:var(--accent)}
.nav{display:flex;gap:18px;margin-left:8px}
.nav a{font-size:14px;color:var(--text-2)}
.nav a:hover{color:var(--text)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.lang-switch{border:1px solid var(--border-strong);border-radius:999px;padding:5px 12px;font-size:13px;color:var(--text-2);background:var(--surface);cursor:pointer;display:flex;align-items:center;gap:6px}
.lang-switch:hover{border-color:var(--accent);color:var(--accent)}
.lang-sel{border:0;background:transparent;color:inherit;font:inherit;font-size:13px;cursor:pointer;padding:1px 2px;max-width:150px;text-overflow:ellipsis}
.lang-sel:hover,.lang-sel:focus{color:var(--accent);outline:none}
.lang-sel option{background:var(--surface);color:var(--text)}
.hero{max-width:760px;margin:0 auto;padding:72px 24px 40px;text-align:center}
.hero h1{font-size:42px;font-weight:700;letter-spacing:-1.2px;line-height:1.15}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{margin-top:14px;font-size:17px;color:var(--text-2)}
.search-box{margin:28px auto 0;max-width:560px;display:flex;align-items:center;background:var(--surface);border:1px solid var(--border-strong);border-radius:999px;padding:6px 6px 6px 20px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 2px 16px rgba(79,70,229,.12)}
.search-box svg{flex:none;color:var(--text-3)}
.search-box input{flex:1;border:none;outline:none;font-size:15px;padding:8px 12px;background:transparent;color:var(--text)}
.search-box button{flex:none;background:var(--accent);color:#fff;border:none;border-radius:999px;padding:10px 22px;font-size:14px;font-weight:500;cursor:pointer}
.hero-stats{margin-top:18px;font-size:13px;color:var(--text-3)}
.ad-slot{max-width:1200px;margin:8px auto 0;padding:0 24px}
.ad-slot[data-slot]{box-sizing:border-box;display:flex;justify-content:center;width:100%;margin:8px auto 0;padding:0 24px;overflow:hidden}
.ad-slot[data-slot] > *{max-width:100%!important}
@media (max-width:640px){.ad-slot[data-slot]{padding:0 12px}.ad-slot[data-slot] .ad-placeholder{height:60px;line-height:60px}}
.ad-placeholder{border:1.5px dashed var(--border-strong);border-radius:var(--radius);background:var(--surface);color:var(--text-3);height:90px;display:flex;align-items:center;justify-content:center;font-size:13px;letter-spacing:.5px}
.chips-wrap{max-width:1200px;margin:30px auto 0;padding:0 24px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--border-strong);background:var(--surface);border-radius:999px;padding:7px 16px;font-size:13.5px;color:var(--text-2);cursor:pointer;transition:all .15s}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.active{background:var(--text);border-color:var(--text);color:#fff}
.section-head{max-width:1200px;margin:36px auto 0;padding:0 24px;display:flex;align-items:baseline;gap:10px}
.section-head h2{font-size:20px;font-weight:600;letter-spacing:-.3px}
.section-head span{font-size:13px;color:var(--text-3)}
.grid{max-width:1200px;margin:18px auto 0;padding:0 24px 8px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:1024px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.grid{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:30px}.nav{display:none}}
@media(max-width:480px){.grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:10px;transition:transform .15s,box-shadow .15s,border-color .15s;position:relative}
.card:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:0 8px 24px rgba(0,0,0,.07)}
.card-top{display:flex;align-items:center;gap:12px}
.card-logo{width:44px;height:44px;border-radius:11px;flex:none;border:1px solid var(--border);background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}
.card-logo img{width:26px;height:26px}
.card-logo.letter{width:100%;height:100%;border:0;background:#4F46E5;color:#fff;font-weight:700;font-size:19px;font-family:inherit}
.detail-logo{width:72px;height:72px;border-radius:16px;object-fit:contain;background:#fff;border:1px solid var(--border);padding:3px;flex:none}
.detail-logo.letter{display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:30px;font-weight:700}
img.card-logo-img{background:#fff;border:1px solid var(--border);border-radius:10px;padding:2px}

/* ===== 工具详情页 ===== */
.detail{max-width:1120px;margin:26px auto 0;padding:0 24px}
.crumb{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--border-strong)}
.detail-head{display:flex;gap:20px;align-items:flex-start;margin-top:14px;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.detail-meta{flex:1;min-width:0}
.detail-meta h1{font-size:28px;font-weight:700;letter-spacing:-.7px;line-height:1.2}
.detail-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px}
.detail-cta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:18px}
/* 直达官网的按钮：明确加下划线，让「这是外链」一眼可辨 */
.visit-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;background:var(--accent);color:#fff;font-size:14.5px;font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:3px;box-shadow:0 4px 14px rgba(79,70,229,.22);transition:transform .15s,filter .15s}
.visit-btn:hover{transform:translateY(-1px);filter:brightness(1.07);text-decoration:underline}
.visit-host{font-size:12.5px;color:var(--text-3);word-break:break-all}
.detail-body{margin-top:16px;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:18px}
.detail-desc{font-size:15.5px;color:var(--text-2);line-height:1.85}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tag{font-size:12px;color:var(--text-2);background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:5px 11px}
.detail-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--border)}
.detail-facts > div{display:flex;flex-direction:column;gap:4px;padding:12px 14px;background:var(--bg);border:1px solid var(--border);border-radius:12px}
.detail-facts span{font-size:11.5px;color:var(--text-3);letter-spacing:.3px}
.detail-facts b{font-size:14px;font-weight:600;letter-spacing:-.1px}
@media(max-width:760px){.detail{padding:0 14px}.detail-head{flex-direction:column;gap:14px;padding:18px}.detail-meta h1{font-size:23px}.detail-facts{grid-template-columns:repeat(2,minmax(0,1fr))}}
.card-name{font-size:15.5px;font-weight:600;letter-spacing:-.2px}
.card-cat{font-size:12px;color:var(--text-3);margin-top:1px}
.card-desc{font-size:13.5px;color:var(--text-2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px}
.card-foot{display:flex;align-items:center;gap:8px;margin-top:auto}
.badge{font-size:11.5px;font-weight:500;border-radius:6px;padding:3px 8px}
.badge.free{background:var(--green-soft);color:var(--green)}
.badge.freemium{background:var(--accent-soft);color:var(--accent)}
.badge.paid{background:var(--amber-soft);color:var(--amber)}
.badge.feat{background:#1A1A18;color:#fff}
.card-link{margin-left:auto;font-size:12.5px;color:var(--text-3)}
.card:hover .card-link{color:var(--accent)}
.ad-card{border:1.5px dashed var(--border-strong);background:transparent;align-items:center;justify-content:center;color:var(--text-3);font-size:12.5px;letter-spacing:.5px;min-height:148px}
.ad-card:hover{transform:none;box-shadow:none}
.empty{max-width:1200px;margin:40px auto;text-align:center;color:var(--text-3);font-size:14px;display:none}
footer{margin-top:64px;border-top:1px solid var(--border);background:var(--surface)}
.footer-inner{max-width:1200px;margin:0 auto;padding:36px 24px;display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.footer-inner .col{min-width:160px}
.footer-inner h4{font-size:13px;font-weight:600;margin-bottom:10px}
.footer-inner a{display:block;font-size:13px;color:var(--text-2);padding:3px 0}
.footer-inner a:hover{color:var(--accent)}
.footer-bottom{max-width:1200px;margin:0 auto;padding:16px 24px 28px;font-size:12.5px;color:var(--text-3);border-top:1px solid var(--border)}
.footer-note{margin-bottom:6px;color:var(--text-2)}
.page{max-width:760px;margin:60px auto;padding:0 24px}
.page h1{font-size:30px;font-weight:700;letter-spacing:-.6px;margin-bottom:16px}
.page p{font-size:15px;color:var(--text-2);line-height:1.8}

/* ===== v3：筛选栏 / 分页 / Cookie 同意条 ===== */
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;max-width:1120px;margin:0 auto 18px;padding:0 20px}
.filter-bar .fb-label{font-size:12.5px;color:var(--text-3)}
.filter-bar select{font:inherit;font-size:13px;padding:6px 10px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface);color:var(--text)}
.pager{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;margin:22px auto 0;max-width:1120px;padding:0 20px}
.pg{font:inherit;font-size:13px;padding:6px 12px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface);color:var(--text-2);cursor:pointer}
.pg:hover{border-color:var(--accent);color:var(--accent)}
.pg.active{background:var(--accent);border-color:var(--accent);color:#fff}
.pg[disabled]{opacity:.45;cursor:not-allowed}
.pg-info{margin-left:8px;font-size:12.5px;color:var(--text-3)}
.cookie-bar{position:fixed;left:0;right:0;bottom:0;z-index:99;background:var(--surface);border-top:1px solid var(--border-strong);box-shadow:0 -6px 20px rgba(0,0,0,.08);padding:12px 20px}
.cookie-inner{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-2)}
.cookie-inner a{color:var(--accent);text-decoration:underline}
.cookie-btns{display:flex;gap:8px}
.cookie-btn{font:inherit;font-size:13px;padding:7px 16px;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer}
.cookie-btn.ghost{background:transparent;color:var(--text-2);border-color:var(--border-strong)}
@media(max-width:640px){.cookie-inner{font-size:12.5px}.filter-bar{padding:0 14px}}