/* talai 文章页共享样式 - 移动端优先 */
:root{
  --bg:#0a0f1f;--card:#141d35;--card-2:#1a2542;--line:rgba(255,255,255,.08);
  --txt:#eef2ff;--txt-2:#a8b3cc;--txt-3:#6b7693;
  --pri:#6366f1;--cyan:#06b6d4;--gold:#fbbf24;
  --grad:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#06b6d4 100%);
  --grad-warm:linear-gradient(135deg,#fbbf24,#f97316);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:60px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.7;font-size:15px;overflow-x:hidden;position:relative;
}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(99,102,241,.3),transparent)}
a{color:var(--pri);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{max-width:720px;margin:0 auto;padding:0 18px}

.header{position:sticky;top:0;z-index:50;background:rgba(10,15,31,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:54px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:17px;color:var(--txt);letter-spacing:.5px}
.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--grad);display:grid;place-items:center;font-size:13px;color:#fff;font-weight:800}
.logo-img{width:32px;height:32px;border-radius:8px;object-fit:cover;flex-shrink:0}
.nav-cta{background:var(--grad);color:#fff;padding:10px 18px;border-radius:22px;font-size:13px;font-weight:600;text-decoration:none;min-height:44px;display:inline-flex;align-items:center}

.crumb{padding:14px 0 0;font-size:13px;color:var(--txt-3)}
.crumb a{color:var(--txt-3);padding:10px 4px;display:inline-block;min-height:44px}
.crumb span{margin:0 6px}

.article-head{padding:20px 0 24px}
.article-head h1{font-size:25px;line-height:1.35;font-weight:800;margin-bottom:12px}
.article-head .meta{font-size:12px;color:var(--txt-3);display:flex;gap:14px;flex-wrap:wrap}
.article-head .meta .tag{background:rgba(99,102,241,.18);color:#c7d2fe;padding:2px 9px;border-radius:10px;border:1px solid rgba(99,102,241,.3)}

.article{padding-bottom:30px}
.article p{margin-bottom:16px;color:var(--txt-2)}
.article h2{font-size:20px;margin:28px 0 12px;font-weight:700;color:var(--txt);border-left:3px solid var(--pri);padding-left:12px}
.article h3{font-size:17px;margin:22px 0 10px;font-weight:700;color:var(--txt)}
.article ul,.article ol{margin:0 0 16px 4px;color:var(--txt-2)}
.article li{margin-bottom:8px;padding-left:6px}
.article strong{color:var(--txt)}
.article blockquote{background:var(--card);border-left:3px solid var(--cyan);padding:14px 16px;border-radius:0 10px 10px 0;margin:0 0 16px;color:var(--txt-2)}

.step-list{counter-reset:s;list-style:none;margin:0 0 16px}
.step-list li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px 14px 50px;margin-bottom:10px;position:relative;color:var(--txt-2)}
.step-list li::before{content:counter(s);position:absolute;left:14px;top:14px;width:26px;height:26px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;display:grid;place-items:center;font-size:13px}
.step-list li b{color:var(--txt);display:block;margin-bottom:4px}

.model-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:13px;background:var(--card);border-radius:12px;overflow:hidden}
.model-table th,.model-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line)}
.model-table th{background:rgba(99,102,241,.2);color:var(--txt)}
.model-table td{color:var(--txt-2)}
.model-table tr:last-child td{border-bottom:none}

.cta-box{background:linear-gradient(135deg,rgba(99,102,241,.18),rgba(6,182,212,.12));border:1px solid rgba(99,102,241,.35);border-radius:16px;padding:22px;text-align:center;margin:24px 0}
.cta-box h3{color:var(--txt);margin-bottom:8px}
.cta-box p{color:var(--txt-2);font-size:13px;margin-bottom:14px}
.btn{display:inline-block;background:var(--grad-warm);color:#1a1206;padding:13px 28px;border-radius:26px;font-weight:700;text-decoration:none;font-size:14px;min-height:44px;-webkit-user-select:none;user-select:none}
.btn:hover{text-decoration:none}
.btn:active{transform:scale(.96)}

.related{padding:14px 0 24px;border-top:1px solid var(--line)}
.related h3{font-size:15px;margin-bottom:12px;color:var(--txt)}
.related a{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:8px;font-size:13.5px;color:var(--txt-2);min-height:48px;display:flex;align-items:center}
.related a:hover{text-decoration:none;border-color:var(--pri);color:var(--txt)}

.footer{padding:24px 0 90px;border-top:1px solid var(--line);text-align:center;font-size:13px;color:var(--txt-3)}
.footer a{color:var(--txt-3);padding:10px 6px;display:inline-block;min-height:44px}

.bar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(10,15,31,.95);backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:12px;transition:transform .3s ease}
.bar-logo{width:34px;height:34px;border-radius:9px;background:var(--grad);display:grid;place-items:center;font-size:13px;font-weight:800;color:#fff;flex-shrink:0}
.bar-txt b{font-size:13px;display:block}
.bar-txt small{font-size:11px;color:var(--txt-3)}
.bar .btn{margin-left:auto;padding:10px 20px;display:inline-flex;align-items:center}

.search-cloud{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-start}
.search-cloud a{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:12px 15px;font-size:13px;color:var(--txt-2);line-height:1.4;min-height:44px;display:inline-flex;align-items:center}
.search-cloud a:active{transform:scale(.95)}
.search-cloud a:hover{border-color:var(--pri);color:var(--pri);text-decoration:none}

@media(min-width:768px){
  .container{max-width:820px}
  .article-head h1{font-size:32px}
  .article h2{font-size:24px}
  .bar{display:none}
  .footer{padding-bottom:40px}
}