/* ============================================================
   中城智联 · 设计系统（AI解决方案 / 政企管理 专题）
   版心与站点统一（1280px）；支持暗色切换；窄 banner 顶图
   ============================================================ */
.zc{
  --zc-navy-950:#050E21; --zc-navy-900:#081B3D; --zc-navy-800:#0D2A5F; --zc-navy-700:#12376F;
  --zc-blue-700:#10429E; --zc-blue-600:#1558D0; --zc-blue-500:#2A77EE; --zc-blue-400:#5E9BF6; --zc-blue-100:#E4EEFC; --zc-blue-50:#F0F5FD;
  --zc-cyan:#5CC8F4; --zc-gold:#C9A45B; --zc-gold-soft:#E8D9B8;
  --zc-ink-900:#14213B; --zc-ink-700:#3C4E6E; --zc-ink-500:#66789A; --zc-ink-400:#8C9BB8;
  --zc-bg:#F4F7FB; --zc-card:#FFFFFF; --zc-line:#E2EAF5; --zc-line-strong:#C8D6EC;
  --zc-shadow:0 8px 30px rgba(8,27,61,.08);
  --zc-shadow-lg:0 18px 50px rgba(8,27,61,.14);
  --zc-r:14px; --zc-r-lg:20px;
}
/* 暗色模式：覆盖变量即可全局换肤 */
html[data-theme="dark"] .zc{
  --zc-bg:#0A1428; --zc-card:#0D1B33; --zc-line:#1B2C4E; --zc-line-strong:#2A3D66;
  --zc-ink-900:#E8EFFC; --zc-ink-700:#C6D5F0; --zc-ink-500:#94A7CC; --zc-ink-400:#6F83AB;
  --zc-blue-100:#17305B; --zc-blue-50:#12254A; --zc-gold-soft:#3A2F18;
  --zc-shadow:0 8px 30px rgba(0,0,0,.35);
  --zc-shadow-lg:0 18px 50px rgba(0,0,0,.45);
}
.zc{color:var(--zc-ink-900);background:var(--zc-bg);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
/* 详情页：放开外层文章宽度限制，banner 贴顶 */
.zc-single{padding-top:0 !important}
.zc-single .article-wrap.zc-wrap{max-width:100% !important}
.zc ::selection{background:var(--zc-blue-500);color:#fff}
.zc .container{margin:0 auto;padding:0 24px}
/* 方案栏目页/详情页：区块全宽背景 + 加宽版心（88rem≈1408px），首页版心不受影响 */
.zc-list .zc .container, .zc-single .zc .container{max-width:88rem}
@media (max-width: 960px){.zc-list .zc .container, .zc-single .zc .container{max-width:100%}}
.zc a{color:inherit;text-decoration:none}
.zc img{max-width:100%;display:block}

/* ---------- 按钮 ---------- */
.zc .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 24px;border-radius:9px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap}
.zc .btn-primary{background:linear-gradient(135deg,var(--zc-blue-600),var(--zc-blue-500));color:#fff;box-shadow:0 8px 20px rgba(21,88,208,.28)}
.zc .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(21,88,208,.36)}
.zc .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.zc .btn-ghost:hover{background:rgba(255,255,255,.12)}
.zc .btn-outline{border-color:var(--zc-blue-500);color:var(--zc-blue-600);background:var(--zc-card)}
.zc .btn-outline:hover{background:var(--zc-blue-600);color:#fff;transform:translateY(-2px)}
.zc .btn-gold{background:linear-gradient(135deg,#B7903F,var(--zc-gold));color:#fff;box-shadow:0 8px 20px rgba(201,164,91,.3)}
.zc .btn-gold:hover{transform:translateY(-2px)}
.zc .btn-sm{padding:8px 18px;font-size:14px}

/* ---------- 通用板块 ---------- */
.zc .section{padding:88px 0}
.zc .section.tight{padding:64px 0}
.zc .section.alt{background:var(--zc-card)}
.zc .section.dark{background:linear-gradient(160deg,var(--zc-navy-900),var(--zc-navy-800));color:#E6EDF9}
.zc .sec-head{margin-bottom:44px;max-width:760px}
.zc .sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.zc .sec-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;color:var(--zc-gold);letter-spacing:3px;margin-bottom:14px}
.zc .sec-kicker::before{content:"";width:26px;height:2px;background:var(--zc-gold);border-radius:2px}
.zc .sec-head.center .sec-kicker::after{content:"";width:26px;height:2px;background:var(--zc-gold);border-radius:2px}
.zc .sec-title{font-size:34px;font-weight:900;line-height:1.35;color:var(--zc-ink-900);letter-spacing:.5px}
.zc .dark .sec-title{color:#fff}
.zc .sec-sub{margin-top:16px;font-size:16px;color:var(--zc-ink-500)}
.zc .dark .sec-sub{color:#A9B7D4}

/* ---------- Hero（首页） ---------- */
.zc .hero{position:relative;color:#fff;overflow:hidden;background-color:#0A1830;background:
  radial-gradient(900px 500px at 8% 108%,rgba(92,200,244,.16),transparent 60%),
  linear-gradient(135deg,var(--zc-navy-950) 0%,var(--zc-navy-900) 46%,var(--zc-navy-800) 100%)}
.zc .hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(94,155,246,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(94,155,246,.09) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(1000px 600px at 50% 40%,#000 30%,transparent 78%);pointer-events:none}
.zc .hero .container{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;padding-top:56px;padding-bottom:88px}
.zc .hero-badge{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(94,155,246,.45);background:rgba(21,88,208,.16);color:#BFD6FB;font-size:13.5px;padding:7px 15px;border-radius:999px;margin-bottom:22px;letter-spacing:.6px}
.zc .hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--zc-cyan);box-shadow:0 0 12px var(--zc-cyan)}
.zc .hero h1{font-size:46px;font-weight:900;line-height:1.32;letter-spacing:1px}
.zc .hero h1 em{font-style:normal;color:var(--zc-cyan)}
.zc .hero .hero-sub{margin-top:20px;font-size:16.5px;color:#B7C6E2;max-width:520px}
.zc .hero-cta{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}
.zc .hero-stats{display:flex;gap:38px;margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.zc .hero-stat b{font-size:30px;font-weight:900;color:#fff;display:block;line-height:1.2}
.zc .hero-stat b i{font-style:normal;color:var(--zc-gold);font-size:18px;margin-right:2px}
.zc .hero-stat span{font-size:13px;color:#9FB0D2}
.zc .hero-visual{position:relative}
.zc .hero-visual .frame{border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:var(--zc-shadow-lg);position:relative}
.zc .hero-visual .frame img{width:100%;height:420px;object-fit:cover;display:block}
.zc .hero-visual .frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(5,14,33,.5));pointer-events:none}
.zc .chip{position:absolute;z-index:2;background:rgba(255,255,255,.94);color:var(--zc-ink-900);border-radius:12px;box-shadow:var(--zc-shadow-lg);padding:11px 16px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:9px;backdrop-filter:blur(4px)}
html[data-theme="dark"] .zc .chip{background:rgba(18,32,60,.94);color:#DFE9FA}
.zc .chip i{width:8px;height:8px;border-radius:50%;background:var(--zc-cyan);box-shadow:0 0 8px var(--zc-cyan)}
.zc .chip.c1{top:22px;left:-26px;animation:zc-float 5.5s ease-in-out infinite}
.zc .chip.c2{bottom:64px;right:-30px;animation:zc-float 6.5s ease-in-out infinite .8s}
.zc .chip.c3{bottom:-20px;left:38px;animation:zc-float 6s ease-in-out infinite .4s}
@keyframes zc-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- 卡片网格 ---------- */
.zc .cards{display:grid;gap:24px}
.zc .cat-grid{grid-template-columns:repeat(5,1fr)}
.zc .p-grid{grid-template-columns:repeat(3,1fr)}
.zc .f-grid{grid-template-columns:repeat(4,1fr)}
.zc .t-grid{grid-template-columns:repeat(3,1fr)}
.zc .d-grid{grid-template-columns:repeat(2,1fr)}
.zc .cat-card{background:var(--zc-card);border:1px solid var(--zc-line);border-radius:var(--zc-r-lg);overflow:hidden;transition:all .28s ease;position:relative}
.zc .cat-card:hover{transform:translateY(-6px);box-shadow:var(--zc-shadow-lg);border-color:var(--zc-line-strong)}
.zc .cat-card .cc-img{height:150px;overflow:hidden;position:relative}
.zc .cat-card .cc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.zc .cat-card:hover .cc-img img{transform:scale(1.07)}
.zc .cat-card .cc-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(8,27,61,.55))}
.zc .cat-card .cc-body{padding:20px 22px 24px}
.zc .cat-card .cc-num{font-size:12px;font-weight:700;color:var(--zc-gold);letter-spacing:2px}
.zc .cat-card h3{font-size:19px;font-weight:800;color:var(--zc-ink-900);margin:7px 0 10px}
.zc .cat-card p{font-size:14px;color:var(--zc-ink-500);line-height:1.7;min-height:64px}
.zc .cat-card .cc-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding-top:14px;border-top:1px dashed var(--zc-line)}
.zc .cat-card .cc-foot span{font-size:13px;color:var(--zc-ink-400)}
.zc .cat-card .cc-foot a{font-size:13.5px;font-weight:700;color:var(--zc-blue-600);display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.zc .cat-card .cc-foot a:hover{gap:11px}

/* 产品卡 */
.zc .pcard{background:var(--zc-card);border:1px solid var(--zc-line);border-radius:var(--zc-r-lg);overflow:hidden;transition:all .28s ease;display:flex;flex-direction:column}
.zc .pcard:hover{transform:translateY(-6px);box-shadow:var(--zc-shadow-lg);border-color:var(--zc-line-strong)}
.zc .pcard .pc-img{height:196px;overflow:hidden;position:relative}
.zc .pcard .pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.zc .pcard:hover .pc-img img{transform:scale(1.06)}
.zc .pcard .pc-cat{position:absolute;top:14px;left:14px;z-index:2;background:rgba(8,27,61,.72);color:#DFE9FA;font-size:12px;padding:5px 12px;border-radius:999px;backdrop-filter:blur(4px);letter-spacing:.5px}
.zc .pcard .pc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.zc .pcard h3{font-size:18.5px;font-weight:800;color:var(--zc-ink-900)}
.zc .pcard .pc-tag{font-size:13.5px;color:var(--zc-blue-600);font-weight:600;margin:6px 0 12px}
.zc .pcard p{font-size:14px;color:var(--zc-ink-500);line-height:1.7;flex:1}
.zc .pcard .pc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.zc .pcard .pc-tags i{font-style:normal;font-size:12px;color:var(--zc-ink-500);background:var(--zc-blue-50);border:1px solid var(--zc-line);padding:3px 10px;border-radius:999px}
.zc .pcard .pc-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--zc-line);display:flex;justify-content:space-between;align-items:center}
.zc .pcard .pc-foot a{font-size:14px;font-weight:700;color:var(--zc-blue-600);display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.zc .pcard .pc-foot a:hover{gap:11px}
.zc .pcard .pc-foot span{font-size:12.5px;color:var(--zc-ink-400)}

/* 能力卡 */
.zc .feat-card{background:var(--zc-card);border:1px solid var(--zc-line);border-radius:var(--zc-r-lg);padding:28px 26px;transition:all .25s ease;position:relative;overflow:hidden}
.zc .feat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--zc-blue-600),var(--zc-cyan));opacity:0;transition:opacity .25s}
.zc .feat-card:hover{transform:translateY(-5px);box-shadow:var(--zc-shadow-lg)}
.zc .feat-card:hover::before{opacity:1}
.zc .feat-card .f-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--zc-blue-100),var(--zc-blue-100));display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.zc .feat-card h3{font-size:17.5px;font-weight:800;color:var(--zc-ink-900);margin-bottom:10px}
.zc .feat-card p{font-size:14.2px;color:var(--zc-ink-500);line-height:1.75}

/* 流程（感知→识别→告警→工单→沉淀） */
.zc .process{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.zc .step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--zc-r);padding:24px 18px;text-align:center;position:relative;transition:all .25s}
.zc .step:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.zc .step .s-num{font-size:12px;font-weight:700;color:var(--zc-gold);letter-spacing:2px}
.zc .step .s-icon{width:46px;height:46px;margin:14px auto;border-radius:12px;background:rgba(94,155,246,.18);display:flex;align-items:center;justify-content:center}
.zc .step h4{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:6px}
.zc .step p{font-size:13px;color:#9FB0D2;line-height:1.6}
.zc .process .arrow{position:absolute;top:50%;width:22px;height:22px;color:var(--zc-gold);transform:translateY(-50%)}

/* 图表区 */
.zc .chartbox{background:var(--zc-card);border:1px solid var(--zc-line);border-radius:var(--zc-r-lg);box-shadow:var(--zc-shadow);padding:26px 20px 14px}
.zc .chartbox h3{font-size:16px;font-weight:800;color:var(--zc-ink-900);padding:0 12px 6px}
.zc .chartbox .ch-note{font-size:12.5px;color:var(--zc-ink-400);padding:0 12px 12px}
.zc #prodChart{height:340px;width:100%}

/* 案例卡 */
.zc .case-card{background:var(--zc-card);border:1px solid var(--zc-line);border-radius:var(--zc-r-lg);padding:26px 26px 24px;transition:all .25s}
.zc .case-card:hover{box-shadow:var(--zc-shadow-lg);transform:translateY(-4px)}
.zc .case-card .c-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--zc-blue-600);background:var(--zc-blue-50);border:1px solid var(--zc-line);padding:4px 12px;border-radius:999px;letter-spacing:.5px}
.zc .case-card h3{font-size:17px;font-weight:800;color:var(--zc-ink-900);margin:14px 0 10px}
.zc .case-card p{font-size:14px;color:var(--zc-ink-500)}
.zc .case-card .c-line{margin-top:16px;padding-top:14px;border-top:1px dashed var(--zc-line);font-size:13px;color:var(--zc-ink-400);display:flex;gap:18px;flex-wrap:wrap}

/* CTA 横幅 */
.zc .cta-band{background:linear-gradient(120deg,var(--zc-navy-900),var(--zc-blue-700) 55%,var(--zc-blue-600));border-radius:var(--zc-r-lg);padding:52px 56px;display:flex;justify-content:space-between;align-items:center;gap:30px;color:#fff;position:relative;overflow:hidden}
.zc .cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:34px 34px;pointer-events:none}
.zc .cta-band h2{font-size:26px;font-weight:900;letter-spacing:.5px}
.zc .cta-band p{margin-top:10px;color:#BFD0EA;font-size:15px}
.zc .cta-band .btn{position:relative}

/* ---------- 内页窄 Banner（顶图） ---------- */
.zc .page-hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(135deg,var(--zc-navy-950),var(--zc-navy-800));padding:56px 0 50px}
.zc .page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(94,155,246,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(94,155,246,.10) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(900px 420px at 50% 30%,#000 30%,transparent 78%)}
.zc .page-hero .container{position:relative}
.zc .page-hero.tight{padding:40px 0 36px}
.zc .page-hero.with-img{padding:0;min-height:250px;display:flex;align-items:center}
.zc .page-hero.with-img .ph-bg{position:absolute;inset:0}
.zc .page-hero.with-img .ph-bg img{width:100%;height:100%;object-fit:cover}
.zc .page-hero.with-img .ph-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,14,33,.9) 0%,rgba(8,27,61,.78) 55%,rgba(8,27,61,.55) 100%)}
.zc .page-hero.with-img .container{position:relative;padding-top:44px;padding-bottom:44px}
.zc .page-hero h1{font-size:30px;font-weight:900;letter-spacing:.8px;line-height:1.4}
.zc .page-hero h1 em{font-style:normal;color:var(--zc-cyan)}
.zc .page-hero .ph-sub{margin-top:10px;max-width:640px;color:#B7C6E2;font-size:14.5px}
.zc .page-hero .ph-meta{margin-top:16px;display:flex;gap:26px;flex-wrap:wrap}
.zc .page-hero .ph-meta span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#C6D4EF}
.zc .page-hero .ph-meta b{color:#fff;font-weight:700}
.zc .page-hero .ph-meta svg{color:var(--zc-gold)}

/* 面包屑（banner 内） */
.zc .bcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:14px;flex-wrap:wrap}
.zc .bcrumb a{color:rgba(255,255,255,.82);transition:color .2s}
.zc .bcrumb a:hover{color:#fff}
.zc .bcrumb i{color:var(--zc-gold);font-style:normal}
.zc .bcrumb .cur{color:var(--zc-cyan);font-weight:600}

/* 筛选条 */
.zc .filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.zc .filter-bar .f-btn{padding:9px 20px;border-radius:999px;border:1px solid var(--zc-line-strong);background:var(--zc-card);font-size:14px;font-weight:500;color:var(--zc-ink-700);cursor:pointer;transition:all .2s}
.zc .filter-bar .f-btn:hover{border-color:var(--zc-blue-500);color:var(--zc-blue-600)}
.zc .filter-bar .f-btn.on{background:var(--zc-blue-600);border-color:var(--zc-blue-600);color:#fff;box-shadow:0 6px 16px rgba(21,88,208,.3)}
.zc .search-box{margin-left:auto;display:flex;align-items:center;gap:8px;background:var(--zc-card);border:1px solid var(--zc-line-strong);border-radius:999px;padding:8px 16px;min-width:250px}
.zc .search-box input{border:0;outline:0;font-size:14px;color:var(--zc-ink-900);width:100%;background:transparent;font-family:inherit}
.zc .search-box svg{flex-shrink:0;color:var(--zc-ink-400)}

/* ---------- 详情页 ---------- */
.zc .prod-hero{background:var(--zc-card);border-bottom:1px solid var(--zc-line)}
.zc .prod-hero .container{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;padding-top:52px;padding-bottom:56px;align-items:center}
.zc .prod-hero .ph-img{border-radius:var(--zc-r-lg);overflow:hidden;box-shadow:var(--zc-shadow-lg);position:relative}
.zc .prod-hero .ph-img img{width:100%;height:400px;object-fit:cover}
.zc .prod-hero .ph-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(5,14,33,.28));pointer-events:none}
.zc .prod-tags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px}
.zc .prod-tags i{font-style:normal;font-size:12.5px;color:var(--zc-blue-700);background:var(--zc-blue-50);border:1px solid var(--zc-line);padding:4px 12px;border-radius:999px}
.zc .prod-hero h1{font-size:32px;font-weight:900;color:var(--zc-ink-900);letter-spacing:.5px}
.zc .prod-hero .ph-tag{font-size:16px;color:var(--zc-blue-600);font-weight:600;margin-top:8px}
.zc .prod-hero .ph-intro{margin-top:16px;color:var(--zc-ink-500);font-size:15px;line-height:1.85}
.zc .prod-hero .ph-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.zc .prod-quick{display:flex;gap:26px;margin-top:30px;padding-top:24px;border-top:1px solid var(--zc-line)}
.zc .prod-quick .q b{font-size:19px;font-weight:800;color:var(--zc-ink-900);display:block}
.zc .prod-quick .q span{font-size:12.5px;color:var(--zc-ink-400)}

/* 特性 */
.zc .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.zc .f-item{background:var(--zc-card);border:1px solid var(--zc-line);border-radius:var(--zc-r);padding:26px 26px;display:flex;gap:18px;transition:all .22s}
.zc .f-item:hover{border-color:var(--zc-line-strong);box-shadow:var(--zc-shadow)}
.zc .f-item .fi-icon{flex-shrink:0;width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--zc-blue-100),var(--zc-blue-100));display:flex;align-items:center;justify-content:center}
.zc .f-item h3{font-size:16.5px;font-weight:800;color:var(--zc-ink-900);margin-bottom:7px}
.zc .f-item p{font-size:14.2px;color:var(--zc-ink-500);line-height:1.75}

/* 核心技术 */
.zc .tech-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center}
.zc .tech-img{border-radius:var(--zc-r-lg);overflow:hidden;box-shadow:var(--zc-shadow-lg)}
.zc .tech-img img{width:100%;height:340px;object-fit:cover;display:block}
.zc .tech-desc{font-size:15px;color:var(--zc-ink-700);line-height:1.9}
.zc .tech-steps{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.zc .ts-item{display:flex;gap:14px;background:var(--zc-card);border:1px solid var(--zc-line);border-radius:12px;padding:15px 18px;transition:all .2s}
.zc .ts-item:hover{border-color:var(--zc-blue-400);box-shadow:var(--zc-shadow)}
.zc .ts-item .ts-icon{flex-shrink:0;width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--zc-blue-100),var(--zc-blue-100));display:flex;align-items:center;justify-content:center}
.zc .ts-item h4{font-size:15px;font-weight:800;color:var(--zc-ink-900);margin-bottom:4px}
.zc .ts-item p{font-size:13.5px;color:var(--zc-ink-500);line-height:1.7}

/* 场景 */
.zc .scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.zc .scene-item{display:flex;align-items:center;gap:14px;background:var(--zc-card);border:1px solid var(--zc-line);border-radius:12px;padding:17px 20px;transition:all .2s}
.zc .scene-item:hover{border-color:var(--zc-blue-400);background:var(--zc-blue-50)}
.zc .scene-item .s-dot{width:9px;height:9px;border-radius:50%;background:var(--zc-gold);flex-shrink:0}
.zc .scene-item span{font-size:14.5px;font-weight:600;color:var(--zc-ink-700)}

/* 规格表 */
.zc .spec-table{width:100%;border-collapse:collapse;background:var(--zc-card);border:1px solid var(--zc-line);border-radius:var(--zc-r);overflow:hidden;table-layout:fixed}
.zc .spec-table col.c1{width:24%}
.zc .spec-table th, .zc .spec-table td{padding:15px 20px;font-size:14px;text-align:left}
.zc .spec-table thead th{background:linear-gradient(135deg,var(--zc-navy-800),var(--zc-blue-700));color:#fff;font-weight:700;letter-spacing:.5px}
.zc .spec-table tbody tr:nth-child(even){background:#F8FAFE}
html[data-theme="dark"] .zc .spec-table tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.zc .spec-table tbody th{font-weight:700;color:var(--zc-ink-900);border-right:1px solid var(--zc-line)}
.zc .spec-table td{color:var(--zc-ink-700)}
.zc .spec-table tr{border-bottom:1px solid var(--zc-line)}

/* Toast */
.zc .toast{position:fixed;left:50%;bottom:42px;transform:translateX(-50%) translateY(20px);background:var(--zc-navy-900);color:#fff;padding:13px 26px;border-radius:999px;font-size:14px;box-shadow:var(--zc-shadow-lg);opacity:0;visibility:hidden;transition:all .3s ease;z-index:999;max-width:88vw;text-align:center}
.zc .toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .zc .cat-grid{grid-template-columns:repeat(2,1fr)}
  .zc .f-grid{grid-template-columns:repeat(2,1fr)}
  .zc .p-grid, .zc .t-grid{grid-template-columns:repeat(2,1fr)}
  .zc .hero .container{grid-template-columns:1fr;gap:48px}
  .zc .hero h1{font-size:38px}
  .zc .hero-visual .frame img{height:340px}
  .zc .chip.c1{left:8px}.zc .chip.c2{right:8px}.zc .chip.c3{left:20px}
  .zc .prod-hero .container{grid-template-columns:1fr;gap:38px}
  .zc .feature-grid, .zc .scene-grid{grid-template-columns:1fr}
  .zc .process{grid-template-columns:repeat(2,1fr)}
  .zc .process .arrow{display:none}
  .zc .tech-grid{grid-template-columns:1fr}
  .zc .tech-img img{height:240px}
}
@media(max-width:640px){
  .zc .section{padding:62px 0}
  .zc .sec-title{font-size:26px}
  .zc .hero h1{font-size:30px}
  .zc .hero-cta .btn{width:100%}
  .zc .hero-stats{flex-wrap:wrap;gap:22px}
  .zc .cat-grid, .zc .f-grid, .zc .p-grid, .zc .t-grid{grid-template-columns:1fr}
  .zc .cta-band{flex-direction:column;text-align:center;padding:40px 28px}
  .zc .page-hero h1{font-size:26px}
  .zc .prod-hero .ph-img img{height:260px}
  .zc .process{grid-template-columns:1fr}
  .zc .filter-bar .search-box{margin-left:0;width:100%}
}

/* ============================================================
   AI解决方案 首页轮播（大分类轮播 + 小分类切换）
   ============================================================ */
.zc .sol-showcase{display:grid;grid-template-columns:1.62fr .38fr;gap:20px;align-items:stretch;width:100%}
.zc .sol-stage{position:relative;border-radius:var(--zc-r-lg);overflow:hidden;box-shadow:var(--zc-shadow-lg);background:var(--zc-navy-900);min-height:clamp(500px,42vw,600px)}
.zc .sol-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .55s ease,visibility .55s ease}
.zc .sol-slide.on{opacity:1;visibility:visible}
.zc .sol-slide>img{width:100%;height:100%;min-height:clamp(500px,42vw,600px);object-fit:cover;display:block}
.zc .sol-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:38px 40px;background:linear-gradient(180deg,rgba(5,14,33,0) 18%,rgba(5,14,33,.62) 58%,rgba(5,14,33,.88) 100%)}
.zc .sol-num{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--zc-gold);letter-spacing:2.5px;margin-bottom:10px}
.zc .sol-overlay h3{font-size:27px;font-weight:900;color:#fff;letter-spacing:.4px;margin-bottom:8px}
.zc .sol-overlay>p{font-size:14.5px;color:#C7D5EE;line-height:1.75;max-width:560px;margin-bottom:16px}
.zc .sol-links{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:20px}
.zc .sol-links a{font-size:13px;color:#DCE8FB;background:rgba(94,155,246,.14);border:1px solid rgba(94,155,246,.38);padding:6px 13px;border-radius:999px;transition:all .2s}
.zc .sol-links a:hover{background:var(--zc-blue-500);color:#fff;border-color:var(--zc-blue-500)}
.zc .sol-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.zc .sol-count{font-size:13.5px;color:#A9B7D4}
.zc .sol-count b{color:var(--zc-gold);font-size:16px;margin:0 2px}
.zc .sol-tabs{display:flex;flex-direction:column;gap:12px}
.zc .sol-tab{display:flex;align-items:center;gap:12px;background:var(--zc-card);border:1px solid var(--zc-line);border-radius:14px;padding:9px 12px;cursor:pointer;text-align:left;transition:all .22s ease;box-shadow:var(--zc-shadow)}
.zc .sol-tab img{width:54px;height:54px;border-radius:10px;object-fit:cover;flex:none}
.zc .sol-tab .st-info{flex:1;min-width:0}
.zc .sol-tab .st-name{font-size:14.5px;font-weight:800;color:var(--zc-ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.zc .sol-tab .st-num{font-size:11.5px;color:var(--zc-ink-500);margin-top:2px}
.zc .sol-tab.on{border-color:var(--zc-blue-500);background:var(--zc-blue-50);box-shadow:0 10px 26px rgba(21,88,208,.16)}
.zc .sol-tab.on .st-name{color:var(--zc-blue-600)}
html[data-theme="dark"] .zc .sol-tab.on .st-name{color:var(--zc-cyan)}
.zc .sol-arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.5);color:#fff;font-size:21px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .22s ease;z-index:2;backdrop-filter:blur(6px)}
.zc .sol-arrow:hover{background:var(--zc-blue-500);border-color:var(--zc-blue-500);transform:translateY(-50%) scale(1.08);box-shadow:0 8px 22px rgba(21,88,208,.35)}
.zc .sol-arrow.prev{left:16px}
.zc .sol-arrow.next{right:16px}
.zc .sol-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:2;padding:7px 12px;border-radius:999px;background:rgba(5,14,33,.35);backdrop-filter:blur(4px)}
.zc .sol-dot{width:8px;height:8px;border-radius:999px;border:none;background:rgba(255,255,255,.45);cursor:pointer;padding:0;transition:all .25s ease}
.zc .sol-dot:hover{background:rgba(255,255,255,.85)}
.zc .sol-dot.on{width:22px;background:var(--zc-blue-400)}
@media (max-width:1024px){
  .zc .sol-showcase{grid-template-columns:1fr}
  .zc .sol-tabs{flex-direction:row;overflow-x:auto;padding-bottom:6px}
  .zc .sol-tab{flex:none;min-width:170px}
  .zc .sol-stage, .zc .sol-slide>img{min-height:clamp(420px,80vw,520px)}
}



/* ---------- 代表方案：分类胶囊 + 搜索筛选 ---------- */
.pc-filter{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin:0 0 2rem}
.pc-chips{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap}
.pc-chip{appearance:none;border:1px solid var(--zc-border, rgba(11,27,58,.14));background:var(--zc-card, #fff);color:var(--zc-text-2, #41527A);
  border-radius:9999px;padding:.42rem 1.05rem;font-size:.85rem;font-weight:600;cursor:pointer;
  transition:background .2s,color .2s,border-color .2s,box-shadow .2s}
.pc-chip:hover{border-color:#2563EB;color:#2563EB}
.pc-chip.on{background:#2563EB;border-color:#2563EB;color:#fff;box-shadow:0 4px 14px -6px rgba(37,99,235,.55)}
.pc-search{position:relative;display:flex;align-items:center}
.pc-search svg{position:absolute;left:.85rem;width:1rem;height:1rem;color:var(--zc-text-3, #8A99B8);pointer-events:none}
.pc-search input{appearance:none;-webkit-appearance:none;border:1px solid var(--zc-border, rgba(11,27,58,.14));background:var(--zc-card, #fff);color:var(--zc-text, #0B1B3A);
  border-radius:9999px;padding:.44rem 1.1rem .44rem 2.35rem;font-size:.86rem;width:15rem;outline:none;
  transition:border-color .2s,box-shadow .2s}
.pc-search input::placeholder{color:var(--zc-text-3, #8A99B8)}
.pc-search input:focus{border-color:#2563EB;box-shadow:0 0 0 3px rgba(37,99,235,.14)}
html[data-theme="dark"] .pc-chip{background:#1B2740;color:#B9C6E0;border-color:rgba(255,255,255,.14)}
html[data-theme="dark"] .pc-chip:hover{border-color:#60A5FA;color:#60A5FA}
html[data-theme="dark"] .pc-chip.on{background:#3B82F6;border-color:#3B82F6;color:#fff}
html[data-theme="dark"] .pc-search input{background:#1B2740;color:#E7EDF8;border-color:rgba(255,255,255,.14)}
html[data-theme="dark"] .pc-search input:focus{box-shadow:0 0 0 3px rgba(96,165,250,.22)}
@media (max-width: 768px){.pc-filter{justify-content:center}.pc-search input{width:100%}.pc-search{width:100%}}