/* itotii 辣椒AI导航 — chili.itotii.com
   零依赖、响应式、支持亮/暗主题与 RTL。 */
:root{
  --brand:#e8452c; --brand-2:#ff6b3d; --brand-soft:#fff1ed;
  --bg:#f7f8fa; --surface:#fff; --surface-2:#f1f3f7; --border:#e6e9f0;
  --text:#161a22; --text-2:#5a6273; --text-3:#8d95a6;
  --shadow:0 1px 2px rgba(18,24,40,.04),0 8px 24px rgba(18,24,40,.06);
  --shadow-hover:0 6px 14px rgba(18,24,40,.08),0 18px 44px rgba(18,24,40,.10);
  --radius:14px; --radius-sm:10px; --max:1280px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,"Noto Sans",Arial,sans-serif;
}
[data-theme="dark"]{
  --brand:#ff6a4d; --brand-2:#ff8a5c; --brand-soft:#2a1c19;
  --bg:#0e1117; --surface:#171b23; --surface-2:#1e232d; --border:#2a303c;
  --text:#eef1f6; --text-2:#a9b2c2; --text-3:#7a8496;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.28);
  --shadow-hover:0 8px 20px rgba(0,0,0,.42),0 20px 48px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;background:var(--brand);color:#fff;z-index:999}
.skip:focus{position:fixed;top:8px;left:8px;width:auto;height:auto;margin:0;padding:10px 16px;clip:auto;overflow:visible;border-radius:8px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:22px;height:66px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;font-weight:800;font-size:18px;letter-spacing:-.4px}
.logo-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 4px 12px rgba(232,69,44,.3)}
.logo-mark svg{width:22px;height:22px}
.logo b{color:var(--brand)}
.logo small{display:block;font-size:10px;font-weight:600;color:var(--text-3);letter-spacing:1.4px;line-height:1;margin-top:2px}
.nav{display:flex;gap:2px;flex:1;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{padding:7px 11px;border-radius:9px;font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap;transition:.15s}
.nav a:hover,.nav a.active{background:var(--brand-soft);color:var(--brand)}
.header-tools{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--border);background:var(--surface);border-radius:10px;transition:.15s}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.icon-btn svg{width:17px;height:17px}
.lang-select{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;height:36px;padding:0 11px;border:1px solid var(--border);background:var(--surface);border-radius:10px;font-size:13px;font-weight:700;white-space:nowrap}
.lang-btn:hover{border-color:var(--brand)}
.lang-menu{position:absolute;right:0;top:44px;width:228px;max-height:340px;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-hover);padding:6px;display:none;z-index:80}
.lang-menu.open{display:block}
.lang-menu a{display:flex;justify-content:space-between;align-items:center;padding:7px 10px;border-radius:8px;font-size:13px}
.lang-menu a:hover{background:var(--surface-2)}
.lang-menu a.cur{color:var(--brand);font-weight:800;background:var(--brand-soft)}
.lang-menu em{font-style:normal;color:var(--text-3);font-size:11px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:54px 0 30px;background:radial-gradient(900px 380px at 50% -160px,rgba(232,69,44,.13),transparent 70%)}
.hero-inner{text-align:center;max-width:820px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border:1px solid var(--border);border-radius:99px;background:var(--surface);font-size:12px;font-weight:700;color:var(--text-2);margin-bottom:18px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}
.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.14;letter-spacing:-1.6px;margin:0 0 14px;font-weight:850}
.hero h1 span{background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:16px;color:var(--text-2);margin:0 auto 26px;max-width:680px}
.searchbox{display:flex;align-items:center;gap:10px;max-width:660px;margin:0 auto;padding:7px 7px 7px 18px;background:var(--surface);border:1.5px solid var(--border);border-radius:16px;box-shadow:var(--shadow);transition:.2s}
.searchbox:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(232,69,44,.12),var(--shadow)}
.searchbox svg{width:19px;height:19px;color:var(--text-3);flex-shrink:0}
.searchbox input{flex:1;border:0;outline:0;background:transparent;font-size:15px;min-width:0}
.searchbox button{border:0;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;padding:10px 20px;white-space:nowrap}
.searchbox button:hover{filter:brightness(1.06)}
.stats{display:flex;justify-content:center;gap:34px;flex-wrap:wrap;margin-top:26px}
.stat b{display:block;font-size:24px;font-weight:850;letter-spacing:-.8px;color:var(--brand);line-height:1.2}
.stat span{font-size:12px;color:var(--text-3);font-weight:600}

/* ---------- Sections ---------- */
section{padding:34px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.sec-head h2{font-size:22px;letter-spacing:-.6px;margin:0;font-weight:800}
.sec-head p{margin:4px 0 0;color:var(--text-3);font-size:13px}
.more-link{font-size:13px;font-weight:800;color:var(--brand);white-space:nowrap}
.more-link:hover{text-decoration:underline}

.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(178px,1fr));gap:11px}
.cat-card{display:flex;align-items:center;gap:11px;padding:13px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow);transition:.18s}
.cat-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-hover)}
.cat-ico{width:34px;height:34px;flex-shrink:0;display:grid;place-items:center;border-radius:9px;background:var(--brand-soft);color:var(--brand)}
.cat-ico svg{width:17px;height:17px}
.cat-card b{display:block;font-size:13.5px;font-weight:750;line-height:1.3}
.cat-card small{font-size:11px;color:var(--text-3)}

/* ---------- Site cards ---------- */
.site-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:12px}
.site-card{position:relative;display:flex;gap:12px;padding:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:.18s;overflow:hidden}
.site-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 55%,var(--border));box-shadow:var(--shadow-hover)}
.fav{width:40px;height:40px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;color:#fff;font-weight:850;font-size:16px;letter-spacing:-.5px;text-transform:uppercase}
.site-meta{min-width:0;flex:1}
.site-name{display:flex;align-items:center;gap:6px;font-size:14.5px;font-weight:800;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.site-name .ext{color:var(--text-3);font-size:11px;flex-shrink:0}
.site-desc{font-size:12px;color:var(--text-2);line-height:1.5;margin:4px 0 8px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:36px}
.tags{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.tag{font-size:10.5px;font-weight:700;padding:2px 7px;border-radius:6px;background:var(--surface-2);color:var(--text-2)}
.tag.cn{background:#fff0ed;color:#d3402a}
[data-theme="dark"] .tag.cn{background:#3a211c;color:#ff8a6f}
.tag.gh{background:#eef2ff;color:#4b57b5}
[data-theme="dark"] .tag.gh{background:#232a4a;color:#9aa8ff}
.tag.score{margin-left:auto;background:transparent;color:var(--text-3);padding-right:0}
.rank{position:absolute;top:0;left:0;width:26px;height:26px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-size:11px;font-weight:850;border-radius:var(--radius) 0 12px 0}
.site-card.ranked{padding-left:20px}
.site-card.ranked .fav{margin-left:8px}

/* 全量目录紧凑列表 */
.dir-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:8px}
.dir-item{display:flex;align-items:center;gap:10px;padding:9px 12px;background:var(--surface);border:1px solid var(--border);border-radius:9px;transition:.15s}
.dir-item:hover{border-color:var(--brand);background:var(--brand-soft)}
.dir-item .fav{width:27px;height:27px;border-radius:7px;font-size:11px}
.dir-item .n{font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0}
.dir-item .d{font-size:11px;color:var(--text-3);white-space:nowrap;max-width:42%;overflow:hidden;text-overflow:ellipsis}
.dir-item .g{font-size:10px;color:var(--brand);font-weight:800;flex-shrink:0}

/* ---------- Filter bar ---------- */
.filterbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:13px 15px;background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:16px;box-shadow:var(--shadow)}
.filterbar label{font-size:12px;font-weight:800;color:var(--text-3)}
.filterbar select,.filterbar input{border:1px solid var(--border);background:var(--surface-2);border-radius:8px;padding:7px 10px;font-size:13px;outline:0}
.filterbar input{flex:1;min-width:180px}
.filterbar select:focus,.filterbar input:focus{border-color:var(--brand)}
.filter-count{font-size:12px;color:var(--text-3);margin-left:auto;white-space:nowrap}

/* ---------- Pagination ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:6px;flex-wrap:wrap;margin:26px 0 4px}
.pager a,.pager span{min-width:36px;height:36px;padding:0 10px;display:grid;place-items:center;border:1px solid var(--border);border-radius:9px;background:var(--surface);font-size:13px;font-weight:700}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager .cur{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff}
.pager .dots{border:0;background:transparent}

/* ---------- Prose ---------- */
.prose{max-width:820px}
.prose h2{font-size:20px;margin:30px 0 10px;letter-spacing:-.4px}
.prose h3{font-size:16px;margin:22px 0 8px}
.prose p,.prose li{color:var(--text-2);font-size:14.5px;line-height:1.85}
.prose ul{padding-left:22px}
.prose a{color:var(--brand);text-decoration:underline}
.callout{margin:20px 0;padding:16px 18px;background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;font-size:13.5px;color:var(--text-2)}
.faq-item{border:1px solid var(--border);border-radius:12px;background:var(--surface);margin-bottom:10px;overflow:hidden}
.faq-item summary{padding:15px 18px;font-weight:750;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;font-size:14.5px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--brand);font-size:20px;line-height:1;font-weight:600}
.faq-item[open] summary::after{content:"−"}
.faq-item .answer{padding:0 18px 16px;color:var(--text-2);font-size:14px;line-height:1.8}
.data-table{width:100%;border-collapse:collapse;font-size:13.5px;margin:14px 0}
.data-table th,.data-table td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--border)}
.data-table th{color:var(--text-3);font-weight:800;font-size:12px}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;gap:7px;align-items:center;font-size:12.5px;color:var(--text-3);padding:18px 0 0;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.crumb span{opacity:.5}

/* ---------- Footer ---------- */
.site-footer{margin-top:46px;border-top:1px solid var(--border);background:var(--surface)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;padding:40px 0 26px}
.footer-brand p{font-size:13px;color:var(--text-2);max-width:360px;margin:12px 0 0}
.footer-col h3{font-size:13px;font-weight:850;margin:0 0 12px;letter-spacing:.3px}
.footer-col a{display:block;font-size:13px;color:var(--text-2);padding:4px 0}
.footer-col a:hover{color:var(--brand)}
.friends{grid-column:1/-1;border-top:1px solid var(--border);padding-top:20px}
.friends h3{font-size:13px;font-weight:850;margin:0 0 12px}
.friend-links{display:flex;flex-wrap:wrap;gap:8px}
.friend-links a{font-size:12.5px;padding:6px 11px;border:1px solid var(--border);border-radius:8px;background:var(--surface-2);color:var(--text-2);transition:.15s}
.friend-links a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.footer-lang{grid-column:1/-1;border-top:1px solid var(--border);padding-top:18px}
.footer-lang h3{font-size:12px;color:var(--text-3);margin:0 0 9px;letter-spacing:.4px}
.footer-lang div{display:flex;flex-wrap:wrap;gap:6px}
.footer-lang a{font-size:11.5px;padding:4px 9px;border-radius:6px;background:var(--surface-2);color:var(--text-2)}
.footer-lang a:hover,.footer-lang a.cur{background:var(--brand-soft);color:var(--brand);font-weight:800}
.footer-bottom{border-top:1px solid var(--border);padding:16px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--text-3)}

/* ---------- Misc ---------- */
.geo-toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%,80px);z-index:100;display:flex;align-items:center;gap:12px;padding:11px 14px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-hover);font-size:13px;opacity:0;transition:.3s;max-width:calc(100vw - 32px)}
.geo-toast.show{transform:translate(-50%,0);opacity:1}
.geo-toast button{border:0;background:var(--brand);color:#fff;border-radius:8px;padding:6px 12px;font-size:12px;font-weight:800;white-space:nowrap}
.geo-toast .x{border:0;background:transparent;color:var(--text-3);padding:4px;font-size:16px}
.empty{padding:44px 20px;text-align:center;color:var(--text-3);font-size:14px;grid-column:1/-1}
.ad-slot{min-height:90px;margin:22px 0;border:1px dashed var(--border);border-radius:12px;display:grid;place-items:center;color:var(--text-3);font-size:12px;background:var(--surface)}
#backTop{position:fixed;right:20px;bottom:20px;width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);display:none;place-items:center;z-index:50}
#backTop.show{display:grid}
#backTop:hover{color:var(--brand);border-color:var(--brand)}
[dir="rtl"] .site-card,[dir="rtl"] .dir-item,[dir="rtl"] .cat-card{direction:rtl}
[dir="rtl"] .searchbox input{text-align:right}
[dir="rtl"] .lang-menu{right:auto;left:0}
[dir="rtl"] .rank{left:auto;right:0;border-radius:0 var(--radius) 0 12px}
[dir="rtl"] .site-card.ranked{padding-left:14px;padding-right:20px}
[dir="rtl"] .site-card.ranked .fav{margin-left:0;margin-right:8px}
[dir="rtl"] .crumbs,[dir="rtl"] .footer-inner{direction:rtl}

@media (max-width:900px){
  .footer-top{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .hero{padding:38px 0 22px}
  .stats{gap:20px}
}
@media (max-width:600px){
  .wrap{padding:0 14px}
  .header-inner{gap:10px;height:58px}
  .logo{font-size:15px}
  .logo small{display:none}
  .hero h1{font-size:30px}
  .hero p{font-size:14px}
  .searchbox{padding-left:13px}
  .searchbox button{padding:9px 13px}
  .site-grid{grid-template-columns:1fr}
  .dir-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr;gap:22px}
  .stats{gap:16px}
  .stat b{font-size:20px}
}
@media print{.site-header,.site-footer,.searchbox,.filterbar,.pager,#backTop,.geo-toast{display:none!important}}