:root{
  --primary:#2b6cff; --primary-dark:#1b4fd6; --accent:#00c2a8;
  --dark:#0f172a; --text:#1f2937; --muted:#64748b; --line:#e5e9f0;
  --bg:#f7f9fc; --white:#fff; --radius:14px; --shadow:0 8px 30px rgba(15,23,42,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;background:var(--primary);color:#fff;padding:12px 26px;border-radius:999px;
  font-weight:600;transition:.2s;border:none;cursor:pointer;font-size:15px}
.btn:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.section{padding:72px 0}
.section-title{text-align:center;margin-bottom:46px}
.section-title h2{font-size:30px;font-weight:800;color:var(--dark)}
.section-title p{color:var(--muted);margin-top:10px;font-size:16px}
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--white);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);
  transition:.25s;border:1px solid var(--line)}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(15,23,42,.14)}
.card .icon{font-size:34px;margin-bottom:12px}
.card h3{font-size:19px;margin-bottom:8px;color:var(--dark)}
.card p{color:var(--muted);font-size:15px}

/* 顶部导航 */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-size:22px;font-weight:800;color:var(--dark)}
.logo span{color:var(--primary)}
.menu{display:flex;gap:26px;align-items:center}
.menu a{font-weight:600;color:#334155;font-size:15px;position:relative;padding:6px 0}
.menu a:hover,.menu a.active{color:var(--primary)}
.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;background:var(--primary);border-radius:3px}
.menu .menu-btn{padding:9px 22px}
.nav-actions{display:flex;gap:10px;align-items:center}
.hamburger{display:none;font-size:26px;background:none;border:none;cursor:pointer;color:var(--dark);width:44px;height:44px;margin-right:-6px}

/* 英雄区 */
.hero{background:linear-gradient(135deg,var(--dark),#1e3a8a 60%,var(--primary));color:#fff;padding:96px 0 110px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,194,168,.35),transparent 70%)}
.hero .container{position:relative;z-index:2}
.hero h1{font-size:46px;font-weight:800;line-height:1.25;margin-bottom:18px}
.hero p{font-size:18px;opacity:.92;max-width:620px;margin-bottom:30px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:48px;flex-wrap:wrap}
.hero-stats div b{font-size:30px;display:block}
.hero-stats div span{opacity:.8}

/* banner 区 */
.banner{background:var(--white);border-radius:var(--radius);padding:30px;margin-top:-50px;position:relative;z-index:3;
  box-shadow:var(--shadow);display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.banner .b-item{flex:1;min-width:200px;text-align:center}
.banner .b-item b{display:block;font-size:24px;color:var(--primary)}
.banner .b-item span{color:var(--muted);font-size:14px}

/* 页脚 */
.footer{background:var(--dark);color:#cbd5e1;padding:54px 0 26px;margin-top:40px}
.footer .grid-4{margin-bottom:30px}
.footer h4{color:#fff;margin-bottom:16px;font-size:16px}
.footer a{color:#cbd5e1;font-size:14px;display:block;margin-bottom:8px}
.footer a:hover{color:var(--accent)}
.footer .copy{border-top:1px solid #1e293b;padding-top:18px;text-align:center;font-size:13px;color:#94a3b8}

/* 通用内容 */
.page-hero{background:linear-gradient(120deg,var(--dark),var(--primary-dark));color:#fff;padding:64px 0;text-align:center}
.page-hero h1{font-size:34px;font-weight:800}
.page-hero p{opacity:.9;margin-top:10px}
.prose{max-width:820px;margin:0 auto}
.prose p{margin-bottom:16px;color:#374151}
.prose h3{margin:24px 0 12px;color:var(--dark)}
.team-grid .card{text-align:center}
.price-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.price-table th,.price-table td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--line);font-size:14px}
.price-table th{background:#f1f5f9;color:var(--dark);font-weight:700}
.price-table tr.hl td{background:#eef4ff;font-weight:600;color:var(--primary-dark)}

/* 产品/案例卡 */
.product-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.product-card:hover{transform:translateY(-6px)}
.product-card .thumb{height:170px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:40px}
.product-card .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.product-card .body{padding:18px}
.product-card h3{font-size:18px;color:var(--dark);margin-bottom:6px}
.product-card .price{color:var(--primary);font-weight:800;font-size:18px}
.tag{display:inline-block;background:#eef4ff;color:var(--primary);font-size:12px;padding:3px 10px;border-radius:999px;margin-bottom:8px}

/* 表单 */
.form-wrap{max-width:560px;margin:0 auto}
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;color:#334155}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:10px;font-size:15px;font-family:inherit;background:#fff}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}
.alert{background:#e7f7ee;color:#0a7d4b;border:1px solid #b7e7cb;padding:12px 16px;border-radius:10px;margin-bottom:16px}
.notice{background:#fff7ed;color:#b45309;border:1px solid #fed7aa;padding:12px 16px;border-radius:10px;margin-bottom:16px}

/* 面包屑 / 文章 */
.article{max-width:820px;margin:0 auto;background:#fff;border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.article h1{font-size:28px;color:var(--dark);margin-bottom:12px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:22px;border-bottom:1px solid var(--line);padding-bottom:14px}
.article .content{color:#374151}
.article .content p{margin-bottom:14px}
.demo-note{background:#eef4ff;border:1px solid #c9dcff;color:#2b5fd9;font-size:13.5px;padding:10px 16px;border-radius:10px;margin-bottom:22px;line-height:1.6}

/* 新闻列表分类标签 / AI 标识 */
.news-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.news-tabs .tag-sm{background:#eef4ff;color:var(--primary);font-size:13px;padding:7px 16px;border-radius:999px;cursor:pointer;transition:.2s}
.news-tabs .tag-sm:hover{background:#dbe7ff}
.news-tabs .tag-sm.active{background:var(--primary);color:#fff}
.news-card .card-top{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.news-card .cat{display:inline-block;background:#eef4ff;color:var(--primary);font-size:12px;padding:3px 10px;border-radius:999px}
.news-card .ai-badge{display:inline-block;background:#fff7ed;color:#ea580c;font-size:12px;padding:3px 10px;border-radius:999px;font-weight:600}
.news-card .date{font-size:13px;color:var(--muted)}
.ai-badge{display:inline-block;background:#fff7ed;color:#ea580c;font-size:12px;padding:3px 10px;border-radius:999px;font-weight:600;margin-left:8px;vertical-align:middle}
/* 真实新闻来源徽标（卡片/详情通用，深底浅色） */
.src-badge{display:inline-block;background:rgba(0,212,255,.12);color:#7fe7ff;font-size:12px;padding:3px 10px;border-radius:999px;font-weight:600;margin-left:8px;vertical-align:middle;border:1px solid rgba(0,212,255,.3)}
.src-badge.demo{background:rgba(255,179,71,.14);color:#ffc878;border-color:rgba(255,179,71,.35)}
.demo-banner{margin:14px 0 4px;background:rgba(255,179,71,.1);border:1px solid rgba(255,179,71,.3);color:#ffd9a0;font-size:13.5px;padding:12px 16px;border-radius:10px;line-height:1.7}
.demo-link{margin:14px 0 4px}
.demo-link a{display:inline-block;background:rgba(34,211,238,.14);border:1px solid rgba(34,211,238,.35);color:#7fe7ff;font-size:14px;font-weight:600;padding:10px 18px;border-radius:10px;text-decoration:none;transition:.2s}
.demo-link a:hover{background:rgba(34,211,238,.24)}
.news-src{margin-top:18px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.16)}
.news-src a{color:var(--primary);font-weight:600}
.ai-note{margin-top:20px;background:#fff7ed;border:1px solid #fed7aa;color:#b45309;font-size:13.5px;padding:12px 16px;border-radius:10px;line-height:1.7}
/* 微信一键复制（页脚 / 联系页通用） */
.wx-copy{cursor:pointer;color:#1677d6;font-weight:600;user-select:none;border-bottom:1px dashed rgba(22,119,214,.5)}
.wx-copy:hover{color:#0d5bb5}
.wx-tip{font-style:normal;font-size:11px;font-weight:400;color:#0a8de0;opacity:.85;margin-left:2px}
.wx-toast{position:fixed;left:50%;top:26px;transform:translateX(-50%) translateY(-12px);background:rgba(15,23,42,.95);color:#eaf6ff;padding:11px 22px;border-radius:999px;font-size:14px;font-weight:600;z-index:9999;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;box-shadow:0 8px 30px rgba(0,0,0,.35)}
.wx-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 收款码支付面板（真实支付过渡方案） */
.pay-panel{background:#fff;border-radius:14px;padding:22px;box-shadow:var(--shadow);margin-top:4px}
.pay-qr-row{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;margin:6px 0 4px}
.pay-qr{flex:1;min-width:180px;max-width:240px;text-align:center;background:#f8fafc;border:1px solid #e6edf5;border-radius:12px;padding:14px}
.pay-qr-t{font-weight:700;color:var(--dark);margin-bottom:10px;font-size:15px}
.pay-qr img{width:160px;height:160px;object-fit:contain;background:#fff;border:1px solid #eee;border-radius:8px}
.pay-qr-n{margin-top:10px;font-size:12px;color:#64748b}
.pay-tip{margin-top:14px;font-size:13px;color:#475569;line-height:1.7;text-align:center}
.pay-tip b{color:var(--primary)}

/* 会员区 */
.member-box{display:flex;gap:30px;flex-wrap:wrap}
.member-box .side{flex:1;min-width:280px;background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}

/* 购物车浮层 */
.cart-fab{position:fixed;right:22px;bottom:22px;background:var(--primary);color:#fff;width:58px;height:58px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 10px 24px rgba(43,108,255,.5);z-index:90;cursor:pointer}
.cart-fab b{position:absolute;top:-4px;right:-4px;background:#ef4444;color:#fff;font-size:12px;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 4px}

/* 响应式 */
@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .section-title{margin-bottom:32px}
  .section-title h2{font-size:24px}
  .menu{position:fixed;top:68px;left:0;right:0;background:rgba(8,12,28,.95);flex-direction:column;gap:0;padding:6px 18px 16px;
    box-shadow:var(--shadow);border-bottom:1px solid rgba(120,160,255,.14);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s}
  .menu.open{opacity:1;visibility:visible;transform:none}
  .menu a{padding:15px 4px;border-bottom:1px solid rgba(120,160,255,.14);width:100%;font-size:16px;color:#e8eefc}
  .menu a:last-of-type{border-bottom:none}
  .menu .menu-btn{width:100%;text-align:center;margin-top:12px;padding:13px 0}
  .hamburger{display:block}
  .hero{padding:64px 0 76px}
  .hero h1{font-size:30px}
  .hero p{font-size:16px}
  .hero-stats{gap:22px;margin-top:34px}
  .hero-stats div b{font-size:24px}
  .banner{padding:20px;margin-top:-36px}
  .banner .b-item{min-width:140px;padding:8px 0}
  .banner .b-item b{font-size:20px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .card{padding:22px}
  .product-card .thumb{height:150px}
  .footer .grid-4{grid-template-columns:repeat(2,1fr);gap:18px}
  .price-table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .article{padding:24px}
}

/* ===================== 科技风（首页 home-tech 作用域 + 导航全局化） ===================== */
/* 顶部导航升级为深色玻璃，呼应大屏科技调性，内页深色 page-hero 也协调 */
.header{background:rgba(8,12,28,.82);backdrop-filter:blur(12px);border-bottom:1px solid rgba(120,160,255,.14)}
.logo{color:#fff}
.logo span{color:var(--accent)}
.menu a{color:#cbd5e1}
.menu a:hover,.menu a.active{color:#fff}
.menu a.active::after{background:var(--accent)}
.hamburger{color:#fff}

/* —— 首页科技风容器：深空蓝黑渐变 + 光晕 —— */
.home-tech{
  --t-bg:#070b1a; --t-panel:rgba(255,255,255,.045); --t-line:rgba(120,160,255,.18);
  --t-blue:#3b82f6; --t-cyan:#22d3ee; --t-text:#e8eefc; --t-muted:#94a8cc;
  position:relative; color:var(--t-text); overflow:hidden;
  background:
    radial-gradient(1200px 600px at 82% -12%, rgba(59,130,246,.20), transparent 60%),
    radial-gradient(900px 520px at -5% 8%, rgba(34,211,238,.12), transparent 55%),
    var(--t-bg);
}
/* 网格背景 */
.tech-grid{position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,160,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,160,255,.06) 1px, transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 0%, #000 40%, transparent 82%);
  mask-image:radial-gradient(ellipse 80% 70% at 50% 0%, #000 40%, transparent 82%);}
.tech-glow{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none}
.tech-glow.glow-1{width:480px;height:480px;right:-120px;top:-90px;background:radial-gradient(circle,rgba(59,130,246,.45),transparent 70%)}
.tech-glow.glow-2{width:380px;height:380px;left:-100px;bottom:-130px;background:radial-gradient(circle,rgba(34,211,238,.35),transparent 70%)}

/* Hero */
.tech-hero{background:transparent!important;padding:110px 0 120px}
.tech-hero .hero-inner{position:relative;z-index:3}
.tech-eyebrow{display:inline-block;font-size:13px;letter-spacing:3px;color:var(--t-cyan);
  border:1px solid rgba(34,211,238,.35);padding:6px 14px;border-radius:999px;
  background:rgba(34,211,238,.06);margin-bottom:22px;font-weight:600}
.tech-hero h1{font-size:52px;font-weight:800;line-height:1.2;
  background:linear-gradient(120deg,#fff,#cfe0ff 60%,#7dd3fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 40px rgba(59,130,246,.25);margin-bottom:18px}
.tech-hero p{font-size:18px;opacity:.92;max-width:640px;margin-bottom:30px;color:#cdd9f2}
.tech-hero .btn{box-shadow:0 10px 30px rgba(59,130,246,.4)}
.tech-hero .btn-outline{color:#fff;border-color:rgba(255,255,255,.6)}
.tech-hero .btn-outline:hover{background:#fff;color:var(--t-bg)}

/* 翻牌指标 */
.tech-stats{display:flex;gap:18px;margin-top:50px;flex-wrap:wrap}
.tech-stats .stat{flex:1;min-width:150px;background:var(--t-panel);border:1px solid var(--t-line);
  border-radius:14px;padding:20px 22px;backdrop-filter:blur(8px);position:relative;overflow:hidden;transition:.25s;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 10px 30px rgba(0,0,0,.25)}
.tech-stats .stat::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--t-blue),var(--t-cyan))}
.tech-stats .stat:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.5)}
.tech-stats .stat b{display:block;font-size:34px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;text-shadow:0 0 18px rgba(59,130,246,.5)}
.tech-stats .stat span{color:var(--t-muted);font-size:14px;margin-top:4px;display:block}

/* 指标带 */
.tech-band{background:var(--t-panel);border:1px solid var(--t-line);border-radius:16px;
  padding:26px 30px;margin-top:-56px;position:relative;z-index:5;backdrop-filter:blur(10px);
  display:flex;gap:18px;flex-wrap:wrap;
  box-shadow:0 20px 50px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06)}
.tech-band .b-item{flex:1;min-width:200px;text-align:center;position:relative}
.tech-band .b-item+.b-item::before{content:"";position:absolute;left:-9px;top:12%;height:76%;width:1px;background:var(--t-line)}
.tech-band .b-item b{display:block;font-size:22px;color:var(--t-cyan);font-weight:800}
.tech-band .b-item span{color:var(--t-muted);font-size:14px;margin-top:4px;display:block}

/* 区块 + 标题 */
.tech-section{background:transparent}
.tech-section--alt{background:linear-gradient(180deg, rgba(10,17,48,.55), rgba(7,11,26,.55))}
.tech-title{text-align:center;margin-bottom:46px}
.tech-title h2{font-size:32px;font-weight:800;color:#fff;position:relative;display:inline-block;padding-bottom:6px}
.tech-title h2::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;
  width:64px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--t-blue),var(--t-cyan))}
.tech-title p{color:var(--t-muted);margin-top:18px;font-size:16px}

/* 玻璃卡 */
.tech-card{background:var(--t-panel);border:1px solid var(--t-line);border-radius:16px;padding:28px;
  backdrop-filter:blur(8px);transition:.25s;position:relative;overflow:hidden;
  box-shadow:0 12px 34px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.05)}
.tech-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--t-blue),var(--t-cyan));opacity:.85}
.tech-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.5);
  box-shadow:0 20px 44px rgba(0,0,0,.35),0 0 24px rgba(34,211,238,.18)}
.tech-card .icon{font-size:34px;margin-bottom:14px;display:inline-flex;width:58px;height:58px;
  align-items:center;justify-content:center;border-radius:14px;
  background:linear-gradient(135deg,rgba(59,130,246,.18),rgba(34,211,238,.12));border:1px solid var(--t-line)}
.tech-card h3{font-size:19px;margin-bottom:10px;color:#fff}
.tech-card p{color:var(--t-muted);font-size:15px}

/* 产品/案例卡科技化 */
.home-tech .product-card{background:var(--t-panel);border:1px solid var(--t-line);box-shadow:0 12px 34px rgba(0,0,0,.25)}
.home-tech .product-card .thumb{background:linear-gradient(135deg,rgba(59,130,246,.35),rgba(34,211,238,.22));border-bottom:1px solid var(--t-line)}
.home-tech .product-card h3{color:#fff}
.home-tech .product-card p{color:var(--t-muted)}
.home-tech .product-card .tag{background:rgba(34,211,238,.12);color:var(--t-cyan)}
.home-tech .product-card .price{color:var(--t-cyan)}

/* 新闻卡科技化 */
.home-tech .news-card{background:var(--t-panel);border:1px solid var(--t-line);color:var(--t-text)}
.home-tech .news-card h3{color:#fff}
.home-tech .news-card p{color:var(--t-muted)}
.home-tech .news-card .cat{background:rgba(34,211,238,.12);color:var(--t-cyan)}

/* CTA */
.tech-cta{background:linear-gradient(120deg,#0b1f4d,var(--t-blue))!important;position:relative;overflow:hidden}
.tech-cta::before{content:"";position:absolute;inset:0;background:
  radial-gradient(620px 320px at 82% 0%, rgba(34,211,238,.30), transparent 60%),
  radial-gradient(520px 300px at 8% 100%, rgba(59,130,246,.35), transparent 60%)}
.tech-cta .container{position:relative;z-index:2}
.tech-cta h2{color:#fff}
.tech-cta p{color:rgba(255,255,255,.9)}

/* 移动端微调 */
@media(max-width:760px){
  .tech-hero{padding:72px 0 84px}
  .tech-hero h1{font-size:32px}
  .tech-stats{gap:12px;margin-top:34px}
  .tech-stats .stat{min-width:44%;padding:16px}
  .tech-stats .stat b{font-size:26px}
  .tech-band{padding:20px;margin-top:-38px}
  .tech-band .b-item{min-width:46%}
  .tech-band .b-item+.b-item::before{display:none}
  .tech-title h2{font-size:26px}
}

/* ===================== 内页科技风（与首页 home-tech 一致） ===================== */
.tech-page{
  --t-bg:#070b1a; --t-panel:rgba(255,255,255,.045); --t-line:rgba(120,160,255,.18);
  --t-blue:#3b82f6; --t-cyan:#22d3ee; --t-text:#e8eefc; --t-muted:#94a8cc;
  position:relative; color:var(--t-text); overflow:hidden;
  background:
    radial-gradient(1200px 600px at 82% -12%, rgba(59,130,246,.20), transparent 60%),
    radial-gradient(900px 520px at -5% 8%, rgba(34,211,238,.12), transparent 55%),
    var(--t-bg);
}
.tech-page::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,160,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,160,255,.06) 1px, transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);}
.tech-page::after{content:"";position:absolute;width:460px;height:460px;right:-120px;top:-90px;border-radius:50%;
  filter:blur(70px);background:radial-gradient(circle,rgba(59,130,246,.30),transparent 70%);pointer-events:none}
.tech-page .page-hero,.tech-page .section{position:relative;z-index:2}

/* 内页 hero */
.tech-page .page-hero{background:transparent;padding:84px 0 64px;text-align:left}
.tech-page .page-hero .container{max-width:1180px}
.tech-page .page-hero h1{font-size:42px;font-weight:800;line-height:1.2;
  background:linear-gradient(120deg,#fff,#cfe0ff 60%,#7dd3fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 40px rgba(59,130,246,.25)}
.tech-page .page-hero p{color:#cdd9f2;opacity:.92;margin-top:12px;font-size:17px}
.tech-page .section[style]{background:transparent!important}

/* 标题 */
.tech-page .section-title h2{color:#fff}
.tech-page .section-title p{color:var(--t-muted)}

/* 通用卡片玻璃化 */
.tech-page .card{background:var(--t-panel);border:1px solid var(--t-line);box-shadow:0 12px 34px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.05);color:var(--t-text)}
.tech-page .card h3{color:#fff}
.tech-page .card p{color:var(--t-muted)}
.tech-page .card .icon{font-size:34px;margin-bottom:14px;display:inline-flex;width:58px;height:58px;align-items:center;justify-content:center;border-radius:14px;
  background:linear-gradient(135deg,rgba(59,130,246,.18),rgba(34,211,238,.12));border:1px solid var(--t-line)}

/* 产品/案例卡 */
.tech-page .product-card{background:var(--t-panel);border:1px solid var(--t-line);box-shadow:0 12px 34px rgba(0,0,0,.25)}
.tech-page .product-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.5);box-shadow:0 20px 44px rgba(0,0,0,.35),0 0 24px rgba(34,211,238,.18)}
.tech-page .product-card .thumb{background:linear-gradient(135deg,rgba(59,130,246,.35),rgba(34,211,238,.22));border-bottom:1px solid var(--t-line)}
.tech-page .product-card h3{color:#fff}
.tech-page .product-card p{color:var(--t-muted)}
.tech-page .product-card p[style]{color:var(--t-muted)!important}
.tech-page .product-card .tag{background:rgba(34,211,238,.12);color:var(--t-cyan)}
.tech-page .product-card .price{color:var(--t-cyan)}

/* 新闻卡 */
.tech-page .news-card{background:var(--t-panel);border:1px solid var(--t-line);color:var(--t-text)}
.tech-page .news-card h3{color:#fff}
.tech-page .news-card p{color:var(--t-muted)}
.tech-page .news-card .cat{background:rgba(34,211,238,.12);color:var(--t-cyan)}
.tech-page .news-card .date{color:var(--t-muted)}

/* 正文 */
.tech-page .prose{color:#c2cfe6}
.tech-page .prose h3{color:#fff}
.tech-page .prose p{color:#c2cfe6}

/* 价格表 */
.tech-page .price-table{background:var(--t-panel);border:1px solid var(--t-line);box-shadow:none;color:var(--t-text)}
.tech-page .price-table th{background:rgba(255,255,255,.04);color:#fff;border-color:var(--t-line)}
.tech-page .price-table td{color:var(--t-text);border-color:var(--t-line)}
.tech-page .price-table tr.hl td{background:rgba(34,211,238,.10);color:var(--t-cyan)}

/* 文章/详情 */
.tech-page .article{background:var(--t-panel);border:1px solid var(--t-line);box-shadow:none;color:var(--t-text)}
.tech-page .article h1{color:#fff}
.tech-page .article .meta{color:var(--t-muted);border-color:var(--t-line)}
.tech-page .article .content{color:#c2cfe6}
.tech-page .article .content p{color:#c2cfe6}
.tech-page .article .content p[style]{color:#c2cfe6!important}
.tech-page .article a{color:var(--t-cyan)!important}
.tech-page .ai-note{background:rgba(255,179,71,.12);border:1px solid rgba(255,179,71,.3);color:#ffd9a0}

/* demo-note / tabs / tag */
.tech-page .demo-note{background:rgba(34,211,238,.10);border:1px solid rgba(34,211,238,.3);color:#9fe9f6}
.tech-page .news-tabs .tag-sm{background:rgba(255,255,255,.06);color:#cbd5e1}
.tech-page .news-tabs .tag-sm:hover{background:rgba(255,255,255,.12)}
.tech-page .news-tabs .tag-sm.active{background:var(--t-cyan);color:#06283d}
.tech-page .tag{background:rgba(34,211,238,.12);color:var(--t-cyan)}
.tech-page .ai-badge{background:rgba(255,179,71,.14);color:#ffce96}

/* 表单（联系/会员/结算） */
.tech-page .form-group label{color:#cdd9f2}
.tech-page .auth-card{max-width:440px;margin:10px auto 0;padding:36px 34px;background:rgba(255,255,255,.05);border:1px solid var(--t-line);border-radius:18px;box-shadow:0 0 36px rgba(0,212,255,.14),inset 0 1px 0 rgba(255,255,255,.05);backdrop-filter:blur(12px)}
.tech-page .auth-card h3{margin-bottom:20px;color:#fff;font-size:22px;text-align:center;letter-spacing:1px}
.tech-page .auth-card .btn{margin-top:6px}
.tech-page .auth-switch{margin-top:18px;text-align:center;font-size:14px;color:var(--t-muted)}
.tech-page .auth-switch a{color:var(--t-cyan);font-weight:600;text-decoration:none}
.tech-page .auth-switch a:hover{text-decoration:underline}
.tech-page .form-group input,.tech-page .form-group textarea,.tech-page .form-group select{background:rgba(255,255,255,.04);border:1px solid var(--t-line);color:#fff}
.tech-page .form-group input:focus,.tech-page .form-group textarea:focus,.tech-page .form-group select:focus{border-color:var(--t-cyan);outline:none}
.tech-page .side{background:var(--t-panel)!important;border:1px solid var(--t-line)!important;box-shadow:none!important;color:var(--t-text)!important}
.tech-page .side h3{color:#fff!important}
.tech-page .side p{color:#c2cfe6!important}
.tech-page .notice{background:rgba(255,179,71,.12);border:1px solid rgba(255,179,71,.3);color:#ffd9a0}
.tech-page .alert{background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.3);color:#7ff0c0}

/* 会员 / 商城 内联浅色修正 */
.tech-page .member-box .side b{color:var(--t-cyan)!important}
.tech-page #orderList{color:var(--t-muted)!important}
.tech-page .form-wrap h3{color:#fff!important}
.tech-page #cartBox{background:var(--t-panel)!important;border:1px solid var(--t-line)!important;box-shadow:none!important;color:var(--t-text)!important}
.tech-page #cartBox th{color:var(--t-muted)!important}
.tech-page #cartBox tr,.tech-page #cartBox td{border-color:var(--t-line)!important;color:var(--t-text)!important}
.tech-page #cartBox p{color:var(--t-muted)!important}

/* 404 */
.tech-page h1{color:#fff!important}
.tech-page .container>p{color:var(--t-muted)!important}

/* ECharts 实时演示区块（作用域 home-tech） */
.home-tech .echarts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.home-tech .echart-card{background:var(--t-panel);border:1px solid var(--t-line);border-radius:16px;padding:18px 18px 8px;
  backdrop-filter:blur(8px);box-shadow:0 12px 34px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.05);position:relative;overflow:hidden}
.home-tech .echart-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--t-blue),var(--t-cyan));opacity:.85}
.home-tech .echart-head{display:flex;align-items:center;gap:8px;color:#fff;font-weight:600;font-size:15px;margin-bottom:6px;padding:0 4px}
.home-tech .echart-dot{width:9px;height:9px;border-radius:50%;background:#22d3ee;box-shadow:0 0 10px #22d3ee;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.home-tech .echart-box{width:100%;height:240px}

/* ===================== 服务项目页：套餐 / 交付 / 协作 ===================== */
.tech-page .pkg-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.tech-page .pkg-card{position:relative;background:var(--t-panel);border:1px solid var(--t-line);border-radius:16px;padding:26px;box-shadow:0 12px 34px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.05)}
.tech-page .pkg-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--t-blue),var(--t-cyan));opacity:.85;border-radius:16px 16px 0 0}
.tech-page .pkg-card:hover{border-color:rgba(34,211,238,.5);box-shadow:0 20px 44px rgba(0,0,0,.35),0 0 24px rgba(34,211,238,.16)}
.tech-page .pkg-head{display:flex;align-items:center;gap:12px;margin-bottom:2px}
.tech-page .pkg-head .icon{font-size:28px;display:inline-flex;width:52px;height:52px;align-items:center;justify-content:center;border-radius:14px;background:linear-gradient(135deg,rgba(59,130,246,.18),rgba(34,211,238,.12));border:1px solid var(--t-line)}
.tech-page .pkg-head h3{margin:0;color:#fff;font-size:21px}
.tech-page .pkg-desc{color:var(--t-muted);font-size:14px;margin:8px 0 16px}
.tech-page .pkg-card .price-table{margin:0 0 16px}
.tech-page .pkg-card .price-table .price{color:#ffd166;font-weight:700;white-space:nowrap}
.tech-page .pkg-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:2px}
.tech-page .pkg-foot .hint{color:var(--t-muted);font-size:13px}
.tech-page .deliver-2col{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:8px 0 4px}
.tech-page .deliver-col{background:var(--t-panel);border:1px solid var(--t-line);border-radius:16px;padding:22px 24px;box-shadow:0 12px 34px rgba(0,0,0,.2)}
.tech-page .deliver-col h3{color:#fff;margin:0 0 12px;font-size:17px}
.tech-page .deliver-col ul{margin:0;padding-left:20px;color:var(--t-muted);font-size:14px;line-height:2}
.tech-page .milestones{display:flex;flex-wrap:wrap;gap:16px;margin:8px 0 0}
.tech-page .milestone{flex:1;min-width:150px;background:var(--t-panel);border:1px solid var(--t-line);border-radius:14px;padding:16px 18px;text-align:center}
.tech-page .milestone .pct{color:#ffd166;font-size:24px;font-weight:800}
.tech-page .milestone .step{color:var(--t-muted);font-size:14px;margin-top:6px}
.tech-page .pkg-deliver-note{margin:14px 2px 4px;padding:12px 14px;border-left:3px solid var(--t-cyan);background:rgba(34,211,238,.06);border-radius:0 8px 8px 0;color:var(--t-muted);font-size:13px;line-height:1.7}
.tech-page .compare-note{margin:12px 2px 0;padding:12px 14px;border-left:3px solid var(--t-cyan);background:rgba(34,211,238,.06);border-radius:0 8px 8px 0;color:var(--t-muted);font-size:13px;line-height:1.7}
@media(max-width:760px){
  .tech-page .pkg-grid,.tech-page .deliver-2col{grid-template-columns:1fr}
}

/* 内页科技风 移动端 */
@media(max-width:980px){.home-tech .echarts-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){
  .tech-page .page-hero{padding:60px 0 44px}
  .tech-page .page-hero h1{font-size:30px}
  .home-tech .echarts-grid{grid-template-columns:1fr}
}

/* 新闻详情 语音播报控制条 */
.speech-bar{position:fixed;right:18px;bottom:18px;z-index:999;background:rgba(13,20,38,.94);border:1px solid rgba(94,234,212,.35);border-radius:14px;padding:12px 14px;max-width:330px;box-shadow:0 8px 30px rgba(0,0,0,.45);font-family:inherit}
.speech-bar .speech-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.speech-bar .speech-status{color:#9fe9f6;font-size:13px;line-height:1.4;word-break:break-all;cursor:pointer}
.speech-bar .speech-close{cursor:pointer;border:none;background:transparent;color:#7c8db0;font-size:14px;line-height:1;padding:2px 4px}
.speech-bar .speech-close:hover{color:#eaf6ff}
.speech-bar .speech-voice-row{display:flex;align-items:center;gap:8px;margin:10px 0 8px;font-size:12px;color:#9fe9f6}
.speech-bar .speech-select{flex:1;background:#0d1426;color:#eaf6ff;border:1px solid rgba(94,234,212,.35);border-radius:8px;padding:6px 6px;font-size:12px;font-family:inherit;max-width:230px}
.speech-bar .speech-select option{background:#0d1426;color:#eaf6ff}
.speech-bar .speech-rate-row{display:flex;align-items:center;gap:8px;margin:0 0 8px;font-size:12px;color:#9fe9f6}
.speech-bar .speech-range{flex:1;min-width:80px;accent-color:#5eead4;cursor:pointer;height:4px}
.speech-bar .speech-rate-val{color:#eaf6ff;min-width:36px;text-align:right;font-variant-numeric:tabular-nums}
.speech-bar .speech-ctrl{display:flex;gap:8px;flex-wrap:wrap}
.speech-bar .speech-btn{cursor:pointer;border:1px solid rgba(94,234,212,.4);background:rgba(94,234,212,.12);color:#eaf6ff;font-size:13px;padding:6px 12px;border-radius:9px;transition:.2s;font-family:inherit}
.speech-bar .speech-btn:hover{background:rgba(94,234,212,.28)}
@media(max-width:600px){.speech-bar{left:12px;right:12px;max-width:none}.speech-bar .speech-select{max-width:none}}

/* 购买联系提示（商城卡片 / 商品详情购买区下方） */
.buy-contact{margin:12px 0 0;font-size:13px;color:#64748b;text-align:center;line-height:1.5}
.buy-contact b{color:var(--primary);font-weight:700}

/* ===== 咨询悬浮窗（全站常驻，电脑+手机） ===== */
.consult-fab{position:fixed;right:22px;bottom:24px;z-index:120;display:flex;flex-direction:column;align-items:flex-end}
.consult-btn{width:54px;height:54px;border:none;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:24px;cursor:pointer;box-shadow:0 8px 22px rgba(43,108,255,.45);display:flex;align-items:center;justify-content:center;transition:transform .2s}
.consult-btn:hover{transform:scale(1.08)}
.consult-panel{display:none;flex-direction:column;gap:8px;background:#0f172a;color:#e8eefc;padding:14px;border-radius:14px;margin-bottom:12px;width:230px;box-shadow:0 12px 30px rgba(0,0,0,.4);text-decoration:none}
.consult-fab.open .consult-panel{display:flex;animation:cfIn .18s ease}
@keyframes cfIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.consult-h{font-weight:700;font-size:15px;margin-bottom:2px;color:#fff}
.consult-row{display:block;color:#e8eefc;font-size:14px;padding:9px 11px;border-radius:9px;background:rgba(255,255,255,.06);text-decoration:none}
.consult-row:hover{background:rgba(255,255,255,.14)}
.consult-row .wx-tip{color:#7fd6e6;font-style:normal;font-size:12px;margin-left:4px}
@media(max-width:600px){
  .consult-fab{right:14px;bottom:16px}
  .consult-btn{width:50px;height:50px;font-size:22px}
  .consult-panel{width:200px}
}

/* ===== 价格估算器 ===== */
.estimator-grid{align-items:flex-start}
.est-h3{color:var(--dark);margin:6px 0 14px;font-size:17px}
.est-types{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:22px}
.est-type{border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;transition:.18s;background:#fff;display:flex;flex-direction:column;gap:6px}
.est-type:hover{border-color:var(--primary)}
.est-type.active{border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,108,255,.15);background:#f5f9ff}
.est-type b{font-size:15px;color:var(--dark)}
.est-type .est-range{font-size:13px;color:var(--primary);font-weight:600}
.est-addons{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:18px}
.est-addon{display:flex;align-items:flex-start;gap:8px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;background:#fff;font-size:13px}
.est-addon input{margin-top:3px}
.est-addon b{display:block;color:var(--dark);font-size:13px}
.est-addon em{font-style:normal;color:#64748b;font-size:12px}
.est-result{min-height:70px;background:linear-gradient(135deg,#0f172a,#1e293b);border-radius:14px;padding:18px;color:#fff;display:flex;flex-direction:column;justify-content:center;gap:6px}
.est-price{font-size:26px;font-weight:800;color:#7fd6e6}
.est-note{font-size:13px;color:#cbd5e1;line-height:1.5}
.est-hint{color:#94a8cc;font-size:14px}
.est-tip{color:#94a8cc;font-size:12px;margin-top:10px}
.estimate-form{background:#fff;border-radius:14px;padding:24px;box-shadow:var(--shadow)}
@media(max-width:760px){.estimator-grid{grid-template-columns:1fr}.est-types,.est-addons{grid-template-columns:1fr}}