/* ============================================================
   AI池子 · AI工具库频道
   严格沿用浅色/白轻导航/大留白/圆角卡片/轻阴影/克制动效。
   页面主强调色：品牌橙（仅本频道内）；辅色：AI池子青蓝。
   ============================================================ */
:root{
  --tl-orange:#f97316;
  --tl-orange-deep:#ea580c;
  --tl-orange-soft:#fff4ec;
  --tl-blue:var(--accent,#17a5cc);
  --tl-blue-deep:var(--accent-deep,#0d7fa6);
  --tl-green:#15803d;
  --tl-green-soft:#e9f7ef;
  --tl-gold:#a16207;
  --tl-gold-soft:#fdf3e1;
  --tl-surface:#f6f8fb;
}
body[data-page="tools"]{background:var(--tl-surface)}
html{scroll-padding-top:86px}
body[data-page="tools"] section[id],body[data-page="tools"] .tl-section[id]{scroll-margin-top:86px}
.tl-container{width:100%;max-width:1180px;margin:0 auto;padding:0 16px}

/* Hero */
.tl-hero{padding:52px 0 44px;background:linear-gradient(180deg,#fff 0%,var(--tl-surface) 100%);overflow:hidden}
.tl-hero-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:900px){.tl-hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px}}
.tl-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--tl-blue-deep);font-weight:700;margin:0 0 14px;text-transform:uppercase}
.tl-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--tl-orange)}
.tl-hero h1{font-size:clamp(32px,5vw,48px);line-height:1.16;letter-spacing:-.02em;color:var(--ink);margin:0 0 14px}
.tl-hero h1 em{font-style:normal;color:var(--tl-orange-deep)}
.tl-hero .tl-lead{margin:0;font-size:15.5px;line-height:1.8;color:var(--text-2);max-width:620px}
.tl-hero-ctas{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:22px 0 18px}
.tl-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;font-size:14.5px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap}
.tl-btn:hover{text-decoration:none;transform:translateY(-1px)}
.tl-btn-primary{background:var(--tl-orange);color:#fff;box-shadow:0 8px 18px rgba(249,115,22,.22)}
.tl-btn-primary:hover{background:var(--tl-orange-deep)}
.tl-btn-secondary{background:#fff;border-color:#e3e9f0;color:var(--ink)}
.tl-btn-secondary:hover{border-color:var(--tl-blue);color:var(--tl-blue-deep);background:#f7fbfe}
.tl-btn-text{background:transparent;border:none;color:var(--tl-blue-deep);padding-left:4px;padding-right:4px;font-weight:600}
.tl-btn-text:hover{color:var(--tl-orange-deep)}
.tl-trust{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.tl-trust li{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--text-2);background:#fff;border:1px solid #e3e9f0;border-radius:999px;padding:7px 11px;box-shadow:var(--shadow,0 1px 2px rgba(13,42,63,.04))}
.tl-trust li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--tl-blue)}
.tl-trust li.green::before{background:#22c55e}
.tl-trust li.orange::before{background:var(--tl-orange)}
.tl-trust li.gold::before{background:#f59e0b}

/* Hero right ads */
.tl-hero-right{display:grid;gap:14px;align-content:start}
.tl-ad-card{background:#fff;border:1px solid #e3e9f0;border-radius:18px;box-shadow:var(--shadow);padding:20px}
.tl-ad-main{border-top:3px solid var(--tl-orange);position:relative;display:flex;flex-direction:column;min-height:420px;padding:22px}
.tl-ad-main .tl-ad-cover{aspect-ratio:16 / 8;border-radius:13px;background:#eef4f9;overflow:hidden;margin-bottom:16px;border:1px solid #dce9f3}
.tl-ad-main .tl-ad-cover img{width:100%;height:100%;object-fit:cover;display:block}
.tl-ad-cover-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:12.5px;letter-spacing:.04em;background:linear-gradient(135deg,#f7fbfe,#e9f3f9)}
.tl-ad-main .tl-ad-label{font-size:11px;letter-spacing:.1em;color:var(--tl-orange-deep);font-weight:800;margin-bottom:10px}
.tl-ad-main h2{font-size:24px;margin:0 0 10px;color:var(--ink);line-height:1.25}
.tl-ad-main .tl-card-tags{margin:0 0 12px}
.tl-ad-result{margin:0 0 12px;font-size:15px;line-height:1.7;color:var(--ink);font-weight:700}
.tl-ad-main .tl-ad-desc{margin:0 0 16px;color:var(--text-2);font-size:13.5px;line-height:1.7}
.tl-ad-main .tl-btn{width:100%;margin-top:auto}
.tl-ad-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:430px){.tl-ad-mini-grid{grid-template-columns:1fr}}
.tl-ad-mini{min-height:122px;display:flex;flex-direction:column}
.tl-ad-mini .tl-ad-label{font-size:11px;letter-spacing:.08em;color:var(--tl-blue-deep);font-weight:800;margin-bottom:8px}
.tl-ad-mini h3{font-size:15px;margin:0 0 4px;color:var(--ink)}
.tl-ad-mini p{margin:0;font-size:12px;color:var(--text-3);line-height:1.55}
.tl-ad-mini .tl-link{margin-top:auto;padding-top:10px;color:var(--tl-orange-deep);font-weight:700;font-size:13px;text-decoration:none}
.tl-ad-mini .tl-link:hover{color:var(--tl-orange)}

/* Scene section */
.tl-section{padding:34px 0}
.tl-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.tl-section-head h2{font-size:22px;margin:0;color:var(--ink);letter-spacing:-.01em}
.tl-section-head p{margin:2px 0 0;color:var(--text-2);font-size:13px}
.tl-scene-grid{display:grid;grid-template-columns:1fr;gap:12px}
@media (min-width:560px){.tl-scene-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.tl-scene-grid{grid-template-columns:repeat(3,1fr)}}
.tl-scene-card{display:flex;flex-direction:column;min-height:150px;background:#fff;border:1px solid #e3e9f0;border-radius:16px;padding:18px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;cursor:pointer;text-align:left;color:var(--ink)}
.tl-scene-card:hover{transform:translateY(-3px);border-color:#cfe0ed;box-shadow:var(--shadow-hover)}
.tl-scene-card h3{font-size:17px;margin:0 0 6px;color:var(--ink)}
.tl-scene-card p{margin:0;color:var(--text-2);font-size:13px;line-height:1.65}
.tl-scene-card .tl-scene-arrow{margin-top:auto;padding-top:12px;font-size:12px;font-weight:800;color:var(--tl-orange-deep)}

/* Filter */
.tl-filter-panel{background:#fff;border:1px solid #e3e9f0;border-radius:18px;box-shadow:var(--shadow);padding:18px}
.tl-search{position:relative;margin-bottom:14px}
.tl-search input{width:100%;min-height:44px;border:1px solid #e3e9f0;border-radius:999px;padding:10px 16px 10px 42px;font-size:14px;background:#fbfdff;color:var(--text)}
.tl-search .tl-search-ic{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:18px;line-height:1}
.tl-filter-label{font-size:11px;letter-spacing:.1em;font-weight:800;color:var(--text-3);margin:12px 0 8px;text-transform:uppercase}
.tl-chip-row{display:flex;flex-wrap:wrap;gap:8px}
.tl-chip{min-height:44px;border:1px solid #e3e9f0;background:#fff;border-radius:999px;padding:8px 14px;font-size:13px;color:var(--text-2);cursor:pointer;transition:background .16s ease,border-color .16s ease,color .16s ease}
.tl-chip:hover{border-color:#cfe0ed;color:var(--ink)}
.tl-chip.active{background:var(--tl-orange);border-color:var(--tl-orange);color:#fff}
.tl-chip.scene.active{background:var(--tl-blue-deep);border-color:var(--tl-blue-deep);color:#fff}
.tl-active-filters{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px;min-height:26px}
.tl-active-filters .tl-active-pill{display:inline-flex;align-items:center;gap:6px;background:#eef6fc;color:var(--tl-blue-deep);border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700}
.tl-active-filters .tl-clear{min-height:44px;background:none;border:none;color:var(--tl-orange-deep);font-size:12.5px;font-weight:700;cursor:pointer;padding:4px}
.tl-result-count{font-size:13px;color:var(--text-3);margin-top:12px}

/* Product grid */
.tl-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:16px}
@media (min-width:600px){.tl-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.tl-grid{grid-template-columns:repeat(3,1fr)}}
.tl-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e3e9f0;border-radius:16px;padding:18px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.tl-card:hover{transform:translateY(-3px);border-color:#cfe0ed;box-shadow:var(--shadow-hover)}
.tl-card-top{display:flex;align-items:flex-start;gap:12px}
.tl-logo{width:46px;height:46px;flex:0 0 46px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#eef6fc,#e1f0f8);color:var(--tl-blue-deep);font-size:18px;font-weight:800;border:1px solid #d7e8f2;overflow:hidden}
.tl-logo .ic{width:24px;height:24px}
.tl-logo-img{width:100%;height:100%;object-fit:cover;display:block}
.tl-logo-monogram{display:inline-flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:17px;font-weight:800;color:var(--tl-blue-deep)}
.tl-emoji-logo{font-size:24px;line-height:1}
.tl-card h3{font-size:16px;margin:0 0 4px;color:var(--ink)}
.tl-card h3 a.tl-card-title-link{color:var(--ink);text-decoration:none}
.tl-card h3 a.tl-card-title-link:hover{color:var(--tl-blue-deep);text-decoration:underline}
.tl-card-desc{margin:0;font-size:13px;line-height:1.62;color:var(--text-2)}
.tl-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 10px}
.tl-tag{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:800;padding:4px 9px;border-radius:999px}
.tl-tag.free{background:var(--tl-green-soft);color:var(--tl-green)}
.tl-tag.recommended{background:var(--tl-orange-soft);color:var(--tl-orange-deep)}
.tl-tag.local{background:#e8f3fb;color:var(--tl-blue-deep)}
.tl-tag.official{background:var(--tl-gold-soft);color:var(--tl-gold)}
.tl-tag.type{background:#f2f4f7;color:#51647a}
.tl-card-meta{margin:0 0 12px;font-size:12.5px;color:var(--text-2);line-height:1.7}
.tl-card-meta b{color:var(--ink)}
.tl-review{margin:0 0 14px;background:#fbfaf7;border-left:3px solid var(--tl-orange);border-radius:10px;padding:10px 12px}
.tl-review .tl-review-label{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--tl-orange-deep)}
.tl-review p{margin:4px 0 0;font-size:12.5px;line-height:1.65;color:var(--text-2)}
.tl-card-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:2px}
.tl-card-actions .tl-btn{min-height:44px;padding:0 16px;font-size:13.5px}
.tl-card-actions .tl-btn-ghost{background:#fff;border-color:#e3e9f0;color:var(--ink)}
.tl-card-actions .tl-btn-ghost:hover{color:var(--tl-blue-deep);border-color:var(--tl-blue)}
.tl-empty{grid-column:1/-1;text-align:center;color:var(--text-3);padding:40px 0}
.tl-load-more{display:flex;justify-content:center;align-items:center;margin-top:18px}
.tl-load-more .tl-btn{min-width:min(100%,320px)}
.tl-load-more-status{display:inline-flex;align-items:center;gap:8px;color:var(--text-3);font-size:13px;padding:10px 16px;background:#fff;border:1px solid #e3e9f0;border-radius:999px;box-shadow:var(--shadow)}


/* Featured */
.tl-featured-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width:600px){.tl-featured-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.tl-featured-grid{grid-template-columns:repeat(3,1fr)}}
.tl-feature-card{position:relative;background:#fff;border:1px solid #e3e9f0;border-radius:16px;padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.tl-feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.tl-feature-card.demo::after{content:"示例";position:absolute;right:10px;top:10px;background:var(--tl-orange-soft);color:var(--tl-orange-deep);font-size:10px;font-weight:800;padding:3px 8px;border-radius:999px}
.tl-feature-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.tl-feature-top .tl-logo{width:40px;height:40px;flex-basis:40px;border-radius:11px}
.tl-feature-card h3{font-size:16.5px;margin:0 0 6px;color:var(--ink)}
.tl-feature-card p{margin:0 0 12px;color:var(--text-2);font-size:13px;line-height:1.6}
.tl-feature-card .tl-card-actions{margin-top:auto}

/* Disclosure + bottom CTA */
.tl-disclosure{margin:34px 0 0;background:#fbfaf7;border:1px solid #eee8dc;border-radius:14px;padding:14px 16px;font-size:12.5px;line-height:1.75;color:var(--text-2)}
.tl-bottom-cta{margin:38px 0;background:#fff;border:1px solid #e3e9f0;border-radius:20px;box-shadow:var(--shadow);padding:32px 20px;text-align:center}
.tl-bottom-cta h2{font-size:24px;margin:0 0 8px;color:var(--ink)}
.tl-bottom-cta p{margin:0 auto 20px;max-width:640px;color:var(--text-2);font-size:14px;line-height:1.8}
.tl-bottom-cta .tl-hero-ctas{justify-content:center;margin:0}

@media (max-width:560px){
  html{scroll-padding-top:74px}
  body[data-page="tools"] section[id],body[data-page="tools"] .tl-section[id]{scroll-margin-top:74px}
  .tl-hero{padding:40px 0 32px}
  .tl-section{padding:28px 0}
  .tl-section-head{flex-direction:column;align-items:flex-start}
  .tl-hero h1{font-size:32px}
  .tl-hero-ctas{align-items:stretch;flex-direction:column}
  .tl-hero-ctas .tl-btn{width:100%}
  .tl-ad-main{min-height:380px}
  .tl-ad-main .tl-ad-cover{aspect-ratio:16 / 7}
  .tl-ad-mini-grid{grid-template-columns:1fr}
  .tl-load-more .tl-btn{width:100%}
  .tl-bottom-cta{padding:26px 16px}
}

/* Reset button styled as link */
button.tl-link{min-height:44px;display:inline-flex;align-items:center;background:none;border:none;padding:0;text-align:left;font:inherit;cursor:pointer}