:root{--bg:#f7f8fa;--card:#fff;--text:#202124;--muted:#6b7280;--line:#e7e9ee;--soft:#f2f4f7;--brand:#2f6fed;--shell:1440px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif}a{color:inherit}.ai-shell{width:min(calc(100% - 32px),var(--shell));margin:auto}.ai-site-main{min-height:60vh}.ai-site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.ai-header-inner{width:min(calc(100% - 32px),var(--shell));height:64px;margin:auto;display:grid;grid-template-columns:210px 1fr auto auto;gap:22px;align-items:center}.ai-brand{display:flex;align-items:baseline;gap:9px;text-decoration:none}.ai-brand strong{font-size:24px;letter-spacing:-.6px}.ai-brand span{font-size:12px;color:var(--muted)}.ai-desktop-nav{display:flex;justify-content:center;gap:22px;overflow:hidden}.ai-desktop-nav a,.ai-submit-link{font-size:14px;font-weight:650;text-decoration:none;white-space:nowrap}.ai-desktop-nav a:hover{color:var(--brand)}.ai-submit-link{padding:8px 13px;border:1px solid var(--line);background:#fff;border-radius:6px}.ai-menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:6px}.ai-menu-toggle span{display:block;width:20px;height:2px;margin:4px auto;background:#333}.ai-mobile-nav,.ai-menu-backdrop{display:none}.ai-home-v3{padding:18px 0 56px}.ai-hero-simple{padding:30px 32px;background:#fff;border:1px solid var(--line);border-radius:8px}.ai-hero-simple h1{margin:0 0 8px;font-size:clamp(30px,4vw,48px);line-height:1.15;letter-spacing:-1.5px}.ai-hero-simple p{margin:0;color:var(--muted);font-size:16px}.ai-search-simple{display:flex;max-width:760px;height:48px;margin-top:20px;border:1px solid #cfd4dc;border-radius:6px;background:#fff}.ai-search-simple input{flex:1;min-width:0;border:0;outline:0;padding:0 15px;background:transparent}.ai-search-simple button{width:92px;border:0;background:#202124;color:#fff;font-weight:700;border-radius:0 5px 5px 0}.ai-category-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.ai-category-strip a{padding:5px 9px;border:1px solid var(--line);border-radius:4px;background:#fafafa;color:#4b5563;font-size:13px;text-decoration:none}.ai-nav-section{margin-top:14px;background:#fff;border:1px solid var(--line);border-radius:8px}.ai-nav-head{display:flex;justify-content:space-between;align-items:end;gap:20px;padding:16px 18px 11px;border-bottom:1px solid var(--line)}.ai-nav-head h2{margin:0;font-size:20px;text-decoration:underline;text-decoration-color:#cfd4dc;text-decoration-thickness:1px;text-underline-offset:5px}.ai-nav-head p{margin:3px 0 0;color:var(--muted);font-size:13px}.ai-nav-head>a{color:var(--muted);font-size:13px;text-decoration:none}.ai-text-links{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));padding:6px 12px 14px}.ai-text-links a{padding:9px 8px;font-size:16px;font-weight:600;text-decoration:underline;text-decoration-color:#c8ccd3;text-decoration-thickness:1px;text-underline-offset:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ai-text-links a:hover{color:var(--brand);text-decoration-color:#aebff3}.ai-category-links{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));padding:8px 12px 14px}.ai-category-links a{padding:11px 10px;border-bottom:1px dotted #e3e5e9;text-decoration:none}.ai-category-links strong{display:block;font-size:15px}.ai-category-links span{display:block;margin-top:2px;color:#9aa0a6;font-size:12px}.ai-news-grid-v3{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;padding:14px 16px 18px}.ai-news-grid-v3 article{min-width:0}.ai-news-grid-v3 .cover{display:block;height:126px;overflow:hidden;background:#eef1f5;border-radius:5px}.ai-news-grid-v3 img{width:100%;height:100%;object-fit:cover}.ai-news-grid-v3 .cover span{height:100%;display:grid;place-items:center;color:#7b8491;font-size:14px}.ai-news-grid-v3 h3{margin:8px 0 4px;font-size:15px;line-height:1.45}.ai-news-grid-v3 h3 a{text-decoration:underline;text-decoration-color:#cfd4dc;text-underline-offset:4px}.ai-news-grid-v3 small{color:#9aa0a6}.ai-custom-content{padding:18px;color:#4b5563}.ai-site-footer{padding:34px 0 18px;background:#fff;border-top:1px solid var(--line)}.ai-footer-grid{width:min(calc(100% - 32px),var(--shell));margin:auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.ai-footer-grid h3{margin:0 0 10px;font-size:14px}.ai-footer-grid a{display:block;margin:7px 0;color:#667085;font-size:13px;text-decoration:none}.ai-footer-brand strong{font-size:23px}.ai-footer-brand p{max-width:380px;color:#80868b;font-size:13px}.ai-footer-bottom{width:min(calc(100% - 32px),var(--shell));margin:24px auto 0;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#9aa0a6;font-size:12px}.ai-back-top{position:fixed;right:18px;bottom:18px;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:#fff;opacity:0;pointer-events:none}.ai-back-top.show{opacity:1;pointer-events:auto}.page-wrap,.container{width:min(calc(100% - 32px),var(--shell));margin:auto}.page-wrap{padding:24px 0 56px}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px}.content-main,.mainbox{background:#fff;border:1px solid var(--line);border-radius:8px;padding:26px}.page-detail h1{margin-top:0}.rich-content{color:#444}.rich-content h2{margin-top:28px;font-size:24px}.breadcrumb{display:flex;gap:8px;margin-bottom:14px;color:#8a919b;font-size:13px}.sidebar-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:#f5f7fa}.auth-card{width:min(100%,520px);background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px;box-shadow:0 18px 50px rgba(31,35,48,.08)}.auth-brand{margin-bottom:22px}.auth-brand strong{display:block;font-size:28px}.auth-brand span{color:var(--muted);font-size:14px}.auth-card h1{margin:0 0 8px;font-size:25px}.auth-card p{color:var(--muted)}.auth-card .field{margin-top:15px}.auth-card label{display:block;margin-bottom:6px;font-size:14px;font-weight:650}.auth-card input{width:100%;height:44px;padding:0 12px;border:1px solid #cfd4dc;border-radius:6px;outline:0}.auth-card input:focus{border-color:#7c9cf0;box-shadow:0 0 0 3px rgba(47,111,237,.1)}.auth-card .btn{width:100%;height:46px;margin-top:18px;border:0;border-radius:6px;background:#202124;color:#fff;font-weight:700}.auth-card .alert{padding:10px 12px;background:#fff3f2;border:1px solid #f3c7c3;color:#a33;border-radius:6px}.install-checks{margin-top:18px;border:1px solid var(--line);border-radius:7px;overflow:hidden}.install-check{display:flex;justify-content:space-between;padding:10px 12px;border-top:1px solid var(--line);font-size:14px}.install-check:first-child{border-top:0}.install-check b.ok{color:#16875b}.install-check b.bad{color:#b42318}
@media(max-width:1180px){.ai-text-links{grid-template-columns:repeat(6,1fr)}.ai-news-grid-v3{grid-template-columns:repeat(4,1fr)}}
@media(max-width:820px){.ai-header-inner{grid-template-columns:1fr auto;height:60px}.ai-brand span,.ai-desktop-nav,.ai-submit-link{display:none}.ai-menu-toggle{display:block}.ai-mobile-nav{position:absolute;left:0;right:0;top:60px;z-index:102;padding:0 12px;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-6px);transition:.2s}.ai-mobile-nav nav{background:#fff;border:1px solid var(--line);border-radius:0 0 8px 8px;box-shadow:0 16px 35px rgba(0,0,0,.12)}.ai-mobile-nav a{display:block;padding:12px 14px;border-bottom:1px solid var(--line);text-decoration:none}.ai-menu-backdrop{position:fixed;inset:60px 0 0;z-index:90;background:rgba(0,0,0,.22)}.ai-menu-open .ai-mobile-nav{display:block;opacity:1;visibility:visible;pointer-events:auto;transform:none}.ai-menu-open .ai-menu-backdrop{display:block}.ai-text-links{grid-template-columns:repeat(4,1fr)}.ai-category-links{grid-template-columns:repeat(3,1fr)}.ai-news-grid-v3{grid-template-columns:repeat(3,1fr)}.content-layout{grid-template-columns:1fr}.ai-footer-grid{grid-template-columns:1fr 1fr}.ai-footer-brand{grid-column:1/-1}}
@media(max-width:560px){.ai-shell,.page-wrap,.container{width:min(calc(100% - 20px),var(--shell))}.ai-home-v3{padding-top:10px}.ai-hero-simple{padding:22px 16px}.ai-hero-simple h1{font-size:31px}.ai-search-simple{height:44px}.ai-search-simple button{width:74px}.ai-nav-head{padding:14px 14px 9px}.ai-nav-head h2{font-size:18px}.ai-nav-head p,.ai-nav-head>a{display:none}.ai-text-links{grid-template-columns:repeat(3,1fr);padding:5px 8px 12px}.ai-text-links a{font-size:15px;padding:8px 6px}.ai-category-links{grid-template-columns:repeat(2,1fr)}.ai-news-grid-v3{grid-template-columns:repeat(2,1fr);gap:10px;padding:12px}.ai-news-grid-v3 .cover{height:100px}.ai-footer-grid{grid-template-columns:1fr 1fr;gap:20px}.ai-footer-brand{grid-column:1/-1}.ai-footer-bottom{display:block}.content-main,.mainbox{padding:20px 16px}}

/* ===== V4 directory pages + taxonomy ===== */
.directory-page{padding:26px 0 56px;background:#f7f8fa;min-height:70vh}.directory-shell{width:min(1240px,calc(100% - 32px));margin:auto}.directory-breadcrumb{display:flex;gap:8px;align-items:center;font-size:13px;color:#8a9099;margin-bottom:16px}.directory-breadcrumb a{color:#667085;text-decoration:none}.directory-hero{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;background:#fff;border:1px solid #e8eaee;padding:26px 28px;margin-bottom:16px}.directory-hero h1{margin:5px 0 8px;font-size:32px;line-height:1.2;color:#17191c}.directory-hero p{margin:0;color:#69707b;max-width:720px;line-height:1.75}.directory-kicker{font-size:12px;letter-spacing:.12em;color:#777f8a}.directory-count{white-space:nowrap;font-size:14px;color:#68707b}.directory-count strong{font-size:26px;color:#191c20;margin-right:5px}.directory-filter{background:#fff;border:1px solid #e8eaee;padding:14px 16px;display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.directory-filter a{display:inline-flex;align-items:center;gap:6px;padding:8px 11px;border:1px solid #eceef1;color:#4d5560;text-decoration:none;font-size:14px;background:#fff}.directory-filter a:hover,.directory-filter a.active{border-color:#9aa3ad;background:#f4f5f7;color:#111}.directory-filter small{color:#9aa0a8}.website-grid-v4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.website-card-v4{background:#fff;border:1px solid #e7e9ed;padding:18px;min-width:0;transition:.18s ease;display:flex;flex-direction:column}.website-card-v4:hover{border-color:#c8cdd4;box-shadow:0 8px 24px rgba(20,26,35,.06);transform:translateY(-2px)}.website-card-top{display:flex;justify-content:space-between;gap:10px;margin-bottom:14px}.website-card-top span{font-size:12px;color:#68717d;background:#f4f5f7;padding:5px 8px}.website-card-top em{font-style:normal;font-size:12px;color:#999}.website-card-v4 h2{font-size:19px;line-height:1.35;margin:0 0 7px}.website-card-v4 h2 a{color:#20242a;text-decoration:underline;text-decoration-color:#cfd3d8;text-underline-offset:4px}.website-domain{font-size:13px;color:#8b929c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:12px}.website-card-v4 p{font-size:14px;line-height:1.7;color:#68707b;margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.website-card-actions{display:flex;gap:8px;margin-top:auto}.website-card-actions a{flex:1;text-align:center;padding:9px 8px;border:1px solid #e4e7eb;text-decoration:none;color:#3f4650;font-size:13px}.website-card-actions a:last-child{background:#202327;color:#fff;border-color:#202327}.directory-empty{background:#fff;border:1px solid #e7e9ed;text-align:center;padding:60px 20px}.directory-empty h2{margin:0 0 8px}.directory-empty p{color:#737b86}.directory-empty a{display:inline-block;margin-top:10px;padding:10px 18px;background:#222;color:#fff;text-decoration:none}
.website-detail-v4{padding:26px 0 64px;background:#f7f8fa}.website-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:18px;align-items:start}.website-detail-main,.website-detail-side section{background:#fff;border:1px solid #e6e9ed}.website-detail-head{padding:30px;border-bottom:1px solid #eceef1}.website-detail-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.website-detail-meta span{font-size:12px;background:#f2f4f6;color:#616975;padding:5px 8px}.website-detail-head h1{font-size:36px;line-height:1.15;margin:0 0 10px;color:#181b20}.website-detail-head .lead{font-size:16px;line-height:1.8;color:#626b76;margin:0 0 20px;max-width:800px}.website-detail-cta{display:flex;gap:10px;flex-wrap:wrap}.website-detail-cta a{padding:11px 18px;border:1px solid #dfe3e7;color:#343a42;text-decoration:none}.website-detail-cta .primary{background:#202327;color:#fff;border-color:#202327}.website-cover-v4{display:block;width:100%;max-height:440px;object-fit:cover;border-bottom:1px solid #eceef1}.website-content-v4{padding:30px;font-size:16px;line-height:1.9;color:#414852}.website-content-v4 h2,.website-content-v4 h3{color:#181b20;margin-top:1.5em}.website-content-v4 img{max-width:100%;height:auto}.website-detail-side{display:grid;gap:14px}.website-detail-side section{padding:20px}.website-detail-side h3{font-size:17px;margin:0 0 15px}.website-info-list{margin:0}.website-info-list div{display:grid;grid-template-columns:74px 1fr;gap:12px;padding:10px 0;border-top:1px solid #eef0f2}.website-info-list div:first-child{border-top:0}.website-info-list dt{color:#9097a0;font-size:13px}.website-info-list dd{margin:0;color:#333941;font-size:14px;word-break:break-word}.website-safe-note p{font-size:13px;line-height:1.7;color:#737b86;margin:0}.related-websites{margin-top:18px;background:#fff;border:1px solid #e6e9ed;padding:24px}.related-websites h2{font-size:21px;margin:0 0 16px}.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.related-grid a{border:1px solid #e7e9ed;padding:14px;text-decoration:none;color:#252a30}.related-grid strong{display:block;text-decoration:underline;text-decoration-color:#d2d6db;text-underline-offset:4px}.related-grid span{display:block;margin-top:6px;color:#8a919b;font-size:12px}.taxonomy-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px;padding:12px;background:#fff;border:1px solid #e7e9ed}.taxonomy-tabs a{padding:8px 12px;border:1px solid #eceef1;color:#59616c;text-decoration:none;font-size:14px}.taxonomy-tabs a.active,.taxonomy-tabs a:hover{background:#202327;color:#fff;border-color:#202327}
@media(max-width:1050px){.website-grid-v4{grid-template-columns:repeat(3,minmax(0,1fr))}.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:820px){.directory-hero{align-items:flex-start;flex-direction:column}.website-grid-v4{grid-template-columns:repeat(2,minmax(0,1fr))}.website-detail-grid{grid-template-columns:1fr}.website-detail-side{grid-template-columns:repeat(2,minmax(0,1fr))}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.directory-page,.website-detail-v4{padding-top:16px}.directory-shell{width:min(100% - 20px,1240px)}.directory-hero{padding:20px}.directory-hero h1{font-size:26px}.website-grid-v4{grid-template-columns:1fr}.website-detail-head,.website-content-v4{padding:20px}.website-detail-head h1{font-size:29px}.website-detail-side{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.website-card-v4 p{display:none}}