:root{--ac:#38bdf8;--ac2:#6366f1;--bg:#0a0f1e;--card:rgba(255,255,255,.04);--bd:rgba(56,189,248,.16);--tx:#c3cdde;--head:#f1f5f9;--dim:#7c8aa0}
*{box-sizing:border-box;margin:0;padding:0}
body,html{scroll-behavior:smooth}
body{background:#0a0f1e;color:var(--tx);font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased;background-image:linear-gradient(rgba(56,189,248,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.04) 1px,transparent 1px);background-size:44px 44px}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.tt-top{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:14px 5%;background:rgba(10,15,30,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--bd)}
.tt-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;letter-spacing:.5px}
.tt-brand i{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--ac),var(--ac2));box-shadow:0 0 18px rgba(56,189,248,.5)}
.tt-nav{display:flex;gap:26px;font-size:.92rem}
.tt-nav a{color:var(--tx);padding:6px 2px;border-bottom:2px solid transparent}
.tt-nav a:hover{color:var(--ac);border-color:var(--ac)}
.tt-cta{padding:9px 20px;border-radius:10px;background:linear-gradient(135deg,var(--ac),var(--ac2));color:#fff!important;font-size:.88rem;font-weight:600;box-shadow:0 8px 22px rgba(56,189,248,.3)}
.tt-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;max-width:1180px;margin:0 auto;padding:86px 5% 66px}
.tt-hero h1{font-size:clamp(2rem,4.6vw,3.1rem);line-height:1.25;color:#fff;font-weight:900;margin-bottom:20px}
.tt-hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--ac),var(--ac2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.tt-hero .sub{color:var(--dim);font-size:1.02rem;max-width:520px;margin-bottom:26px}
.tt-btns{display:flex;gap:14px;flex-wrap:wrap}
.tt-btn{padding:12px 26px;border-radius:11px;font-weight:600;font-size:.94rem;background:linear-gradient(135deg,var(--ac),var(--ac2));color:#fff;box-shadow:0 10px 26px rgba(56,189,248,.32)}
.tt-btn.ghost{background:transparent;border:1px solid var(--bd);color:var(--ac);box-shadow:none}
.tt-term{background:rgba(9,14,28,.92);border:1px solid var(--bd);border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.tt-term .bar{display:flex;gap:6px;padding:12px 16px;border-bottom:1px solid var(--bd);background:rgba(56,189,248,.05)}
.tt-term .bar span{width:10px;height:10px;border-radius:50%;background:#233;display:inline-block}
.tt-term .bar span:first-child{background:#f87171}.tt-term .bar span:nth-child(2){background:#fbbf24}.tt-term .bar span:nth-child(3){background:#34d399}
.tt-term pre{padding:20px 22px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.82rem;line-height:2;color:#9fb3d1;overflow:auto}
.tt-term pre b{color:var(--ac)}.tt-term pre i{color:#34d399;font-style:normal}.tt-term pre s{color:#64748b;text-decoration:none}
.tt-sec{max-width:1180px;margin:0 auto;padding:60px 5%}
.tt-sec-head{margin-bottom:34px}
.tt-sec-head .en{font-family:ui-monospace,monospace;font-size:.8rem;letter-spacing:3px;color:var(--ac);text-transform:uppercase}
.tt-sec-head h2{color:#fff;font-size:clamp(1.5rem,3vw,2rem);font-weight:800;margin-top:6px}
.tt-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tt-card{position:relative;background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:26px 24px;transition:.25s}
.tt-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.5);box-shadow:0 18px 40px rgba(8,20,45,.6)}
.tt-card .no{font-family:ui-monospace,monospace;font-size:.78rem;color:var(--ac);letter-spacing:2px}
.tt-card h3{color:var(--head);font-size:1.06rem;margin:10px 0 10px}
.tt-card p{font-size:.88rem;color:var(--dim)}
.tt-case{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:34px 0;border-bottom:1px dashed var(--bd)}
.tt-case:nth-child(even) .tt-case-vis{order:2}
.tt-case-vis{height:230px;border-radius:16px;background:linear-gradient(135deg,rgba(56,189,248,.2),rgba(99,102,241,.25));border:1px solid var(--bd);display:flex;align-items:center;justify-content:center;font-size:3rem}
.tt-case h3{color:#fff;font-size:1.3rem;margin-bottom:12px}
.tt-case .chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tt-chip{font-size:.76rem;padding:4px 12px;border-radius:999px;background:rgba(56,189,248,.1);border:1px solid var(--bd);color:var(--ac)}
.tt-news{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.tt-post{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:22px;transition:.2s}
.tt-post:hover{border-color:rgba(56,189,248,.5)}
.tt-post .date{font-family:ui-monospace,monospace;font-size:.76rem;color:var(--dim)}
.tt-post h3{font-size:1.02rem;margin:8px 0;color:var(--head)}
.tt-post p{font-size:.86rem;color:var(--dim)}
.tt-foot{border-top:1px solid var(--bd);margin-top:30px;padding:44px 5% 30px;background:rgba(8,12,24,.8)}
.tt-foot-in{max-width:1180px;margin:0 auto;display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;color:var(--dim);font-size:.85rem}
.tt-foot b{color:var(--head)}
.tt-foot a:hover{color:var(--ac)}
.tt-hero-sm{text-align:center;padding:96px 5% 30px}
.tt-hero-sm h1{color:#fff;font-size:clamp(1.6rem,3.4vw,2.2rem)}
.tt-crumb{color:var(--dim);font-size:.85rem;margin-top:10px}
.tt-crumb a{color:var(--dim)}.tt-crumb a:hover{color:var(--ac)}
.tt-wrap{max-width:900px;margin:0 auto;padding:14px 5% 80px}
.tt-post-row{display:flex;gap:20px;background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:18px;margin-bottom:16px;transition:.2s}
.tt-post-row:hover{border-color:rgba(56,189,248,.5);transform:translateY(-2px)}
.tt-post-row img{width:230px;height:140px;object-fit:cover;border-radius:10px;flex:none}
.tt-post-row h3{color:var(--head);font-size:1.06rem;margin-bottom:8px}
.tt-post-row h3 a:hover{color:var(--ac)}
.tt-post-row .meta{color:var(--dim);font-size:.78rem;margin-bottom:8px;display:flex;gap:14px}
.tt-post-row p{color:var(--dim);font-size:.87rem}
.tt-detail{background:var(--card);border:1px solid var(--bd);border-radius:16px;padding:clamp(22px,4vw,46px)}
.tt-detail h1{color:#fff;font-size:clamp(1.4rem,3vw,2rem);line-height:1.45;margin-bottom:16px}
.tt-detail .meta{color:var(--dim);font-size:.82rem;display:flex;gap:16px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--bd);margin-bottom:22px}
.tt-detail .body p{margin:16px 0;color:var(--tx)}
.tt-detail .tags{margin-top:26px;padding-top:18px;border-top:1px dashed var(--bd)}
.tt-pager{display:flex;gap:10px;justify-content:center;margin:30px 0}
.tt-pager a,.tt-pager span{padding:7px 15px;border-radius:9px;border:1px solid var(--bd);font-size:.85rem;color:var(--tx)}
.tt-pager .is-current{background:linear-gradient(135deg,var(--ac),var(--ac2));color:#fff;border-color:transparent}
.tt-pager .is-disabled{opacity:.4}
@media(max-width:920px){.tt-hero,.tt-case{grid-template-columns:1fr}.tt-grid3,.tt-news{grid-template-columns:1fr}.tt-term{order:-1}.tt-post-row{flex-direction:column}.tt-post-row img{width:100%;height:180px}}

/* ---- 通用组件（搜索/标签/404 等系统页兼容层） ---- */
body{background:#0a0f1e;color:#c3cdde;margin:0}
.hx-page-hero{text-align:center;padding:110px 5% 26px}
.hx-page-hero h1{font-size:clamp(1.7rem,4vw,2.3rem);margin:0 0 12px;color:#f1f5f9;font-weight:800}
.hx-breadcrumb{color:#7c8aa0;font-size:.88rem}
.hx-breadcrumb a{color:#7c8aa0;text-decoration:none}
.hx-breadcrumb a:hover{color:#38bdf8}
.hx-sep{margin:0 8px}
.hx-main{max-width:1080px;margin:0 auto;padding:20px 5% 80px}
.hx-container{width:100%}
.hx-search-form{display:flex;gap:10px;max-width:620px;margin:22px auto 0}
.hx-search-form input{flex:1;padding:12px 18px;border-radius:14px;border:1px solid rgba(56,189,248,.16);background:#0d1425;color:#c3cdde;font-size:.95rem}
.hx-search-form button{padding:12px 26px;border-radius:14px;border:none;background:linear-gradient(135deg,#38bdf8,#6366f1);color:#fff;font-weight:600;cursor:pointer}
.hx-article-card{display:flex;gap:18px;background:rgba(255,255,255,.04);border:1px solid rgba(56,189,248,.16);border-radius:14px;padding:16px;margin-bottom:16px}
.hx-article-thumb img{width:220px;height:132px;object-fit:cover;border-radius:calc(14px - 4px)}
.hx-article-title{margin:0 0 8px;font-size:1.05rem}
.hx-article-title a{color:#f1f5f9;text-decoration:none}
.hx-article-title a:hover{color:#38bdf8}
.hx-article-meta{color:#7c8aa0;font-size:.8rem;display:flex;gap:14px;margin-bottom:8px}
.hx-article-summary{color:#c3cdde;font-size:.9rem;line-height:1.8}
.hx-pagination{display:flex;gap:8px;justify-content:center;margin:28px 0}
.hx-pagination a,.hx-pagination span{padding:6px 14px;border-radius:8px;border:1px solid rgba(56,189,248,.16);color:#c3cdde;text-decoration:none;font-size:.85rem}
.hx-pagination .is-current{background:linear-gradient(135deg,#38bdf8,#6366f1);color:#fff;border-color:transparent}
.hx-pagination .is-disabled{opacity:.45}
.tag,.hx-tag{display:inline-block;padding:3px 12px;margin:2px 6px 2px 0;border-radius:999px;background:rgba(56,189,248,.1);color:#38bdf8;font-size:.78rem;border:1px solid rgba(56,189,248,.16)}
.hx-back-top{position:fixed;right:26px;bottom:30px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(56,189,248,.16);background:rgba(255,255,255,.04);color:#38bdf8;cursor:pointer;opacity:0;transition:opacity .3s}
.hx-back-top.is-visible{opacity:1}
.g-text-center{text-align:center}
@media(max-width:720px){.hx-article-card{flex-direction:column}.hx-article-thumb img{width:100%;height:180px}}