:root{--blue-50:#eef5ff;--blue-100:#d9e8ff;--blue-200:#b3d0ff;--blue-300:#7fb0ff;--blue-400:#3d88f5;--blue-500:#1d6fe0;--blue-600:#1559b8;--blue-700:#104a99;--cyan-400:#06b6d4;--cyan-500:#0891b2;--ink-900:#0f1b2d;--ink-700:#283447;--ink-500:#5a6678;--ink-300:#9aa6b6;--line:#e7edf4;--bg-soft:#f5f8fc;--bg-white:#ffffff;--radius:14px;--radius-sm:10px;--shadow-sm:0 1px 3px rgba(16,74,153,.08),0 1px 2px rgba(16,74,153,.06);--shadow:0 8px 30px rgba(16,74,153,.10);--shadow-lg:0 18px 50px rgba(16,74,153,.16);--container:1200px;--header-h:68px;--ease:cubic-bezier(.22,.61,.36,1)}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:128px}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink-700);background:var(--bg-white);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,svg{max-width:100%;display:block}a{color:var(--blue-500);text-decoration:none;transition:color .2s var(--ease)}a:hover{color:var(--blue-600)}h1,h2,h3,h4{color:var(--ink-900);line-height:1.25;margin:0 0 .5em;font-weight:700}p{margin:0 0 1em}ul{margin:0;padding:0;list-style:none}.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;border:1.5px solid transparent;cursor:pointer;transition:all .22s var(--ease);white-space:nowrap}.btn-primary{background:var(--blue-500);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--blue-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}.btn-ghost{background:transparent;color:var(--blue-600);border-color:var(--blue-200)}.btn-ghost:hover{background:var(--blue-50);color:var(--blue-700)}.btn-light{background:#fff;color:var(--blue-600)}.btn-light:hover{background:var(--blue-50);transform:translateY(-2px)}.btn-lg{padding:15px 34px;font-size:16px}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink-900)}.brand:hover{color:var(--ink-900)}.brand .logo{width:40px;height:40px;border-radius:11px;flex:none;background:linear-gradient(135deg,var(--blue-500),var(--cyan-400));display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-sm)}.brand .logo svg{width:24px;height:24px}.brand .name{font-size:17px;letter-spacing:.3px}.brand .name small{display:block;font-size:11px;font-weight:600;color:var(--ink-300);letter-spacing:1.5px}.nav-links{display:flex;align-items:center;gap:4px}.nav-links a{padding:9px 15px;border-radius:9px;color:var(--ink-700);font-weight:500;font-size:15px}.nav-links a:hover{background:var(--blue-50);color:var(--blue-600)}.nav-links a.active{color:var(--blue-600);background:var(--blue-50)}.nav-cta{margin-left:8px}.nav-toggle{display:none;width:44px;height:44px;border:none;background:transparent;cursor:pointer;border-radius:10px;position:relative}.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:11px;width:22px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .25s var(--ease),opacity .2s}.nav-toggle span{top:21px}.nav-toggle span::before{top:-7px}.nav-toggle span::after{top:7px}.nav-toggle.open span{background:transparent}.nav-toggle.open span::before{transform:translateY(7px) rotate(45deg)}.nav-toggle.open span::after{transform:translateY(-7px) rotate(-45deg)}.mobile-menu{display:none;flex-direction:column;gap:2px;padding:8px 12px 16px;background:#fff;border-bottom:1px solid var(--line);animation:slideDown .25s var(--ease)}.mobile-menu.open{display:flex}.mobile-menu a{padding:13px 14px;border-radius:10px;color:var(--ink-700);font-weight:500}.mobile-menu a:hover,.mobile-menu a.active{background:var(--blue-50);color:var(--blue-600)}.mobile-menu .btn{margin-top:8px}@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}.section{padding:84px 0}.section-head{text-align:center;max-width:720px;margin:0 auto 52px}.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--blue-500);text-transform:uppercase;margin-bottom:12px}.section-head h2{font-size:clamp(26px,4vw,38px)}.section-head p{color:var(--ink-500);font-size:17px;margin:0}.bg-soft{background:var(--bg-soft)}.bg-blue{background:linear-gradient(135deg,var(--blue-600),var(--blue-500) 55%,var(--cyan-500));color:#fff}.bg-blue h2,.bg-blue h3,.bg-blue .eyebrow{color:#fff}.bg-blue .eyebrow{color:var(--blue-100)}.bg-blue p{color:rgba(255,255,255,.88)}.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(1200px 600px at 80% -10%,rgba(6,182,212,.35),transparent 60%),linear-gradient(135deg,var(--blue-700),var(--blue-500) 60%,var(--cyan-500));padding:96px 0 110px}.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:26px 26px;opacity:.5;pointer-events:none}.hero .container{position:relative;z-index:1}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}.hero h1{color:#fff;font-size:clamp(30px,5vw,50px);letter-spacing:.5px}.hero .lead{color:rgba(255,255,255,.9);font-size:18px;max-width:540px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.hero-badges span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:7px 14px;border-radius:999px;font-size:13.5px;backdrop-filter:blur(4px)}.hero-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:26px;backdrop-filter:blur(8px);box-shadow:0 20px 60px rgba(0,0,0,.22)}.hero-card h3{color:#fff;font-size:18px;margin-bottom:16px}.hero-card .row{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid rgba(255,255,255,.16)}.hero-card .row:first-of-type{border-top:none}.hero-card .row svg{width:22px;height:22px;flex:none;color:var(--blue-100)}.hero-card .row b{color:#fff;display:block;font-size:14px}.hero-card .row span{color:rgba(255,255,255,.78);font-size:13px}.grid{display:grid;gap:24px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-5{grid-template-columns:repeat(5,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;box-shadow:var(--shadow-sm)}.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--blue-200)}.card .ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:var(--blue-50);color:var(--blue-500);margin-bottom:18px}.card .ico svg{width:28px;height:28px}.card h3{font-size:19px}.card p{color:var(--ink-500);font-size:15px;margin:0}.product-card{padding:0;overflow:hidden;display:flex;flex-direction:column}.product-card .thumb{height:168px;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--blue-400),var(--cyan-400));display:grid;place-items:center}.product-card .thumb svg{width:64px;height:64px;color:rgba(255,255,255,.92)}.product-card .thumb .tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.9);color:var(--blue-600);font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px}.product-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}.product-card .body h3{font-size:18px;margin-bottom:8px}.product-card .body p{color:var(--ink-500);font-size:14.5px;flex:1}.product-card .more{margin-top:16px;font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}.product-card .more svg{width:16px;height:16px;transition:transform .2s var(--ease)}.product-card:hover .more svg{transform:translateX(4px)}.feature-list{display:grid;gap:20px}.feature-item{display:flex;gap:16px;align-items:flex-start}.feature-item .num{flex:none;width:40px;height:40px;border-radius:11px;background:var(--blue-500);color:#fff;font-weight:700;display:grid;place-items:center;font-size:16px}.feature-item h4{margin:2px 0 4px;font-size:16.5px}.feature-item p{margin:0;color:var(--ink-500);font-size:14.5px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.stat{text-align:center}.stat .figure{font-size:clamp(32px,5vw,46px);font-weight:800;color:#fff;letter-spacing:.5px}.stat .label{color:rgba(255,255,255,.85);font-size:15px}.form-grid{display:grid;gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field label{font-size:14px;font-weight:600;color:var(--ink-700)}.field input,.field textarea,.field select{font:inherit;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-900);transition:border-color .2s,box-shadow .2s}.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue-400);box-shadow:0 0 0 3px var(--blue-100)}.field textarea{resize:vertical;min-height:120px}.form-note{font-size:13px;color:var(--ink-500)}.form-success{display:none;background:#eafaf1;border:1px solid #b7ebc9;color:#1a7f43;padding:14px 16px;border-radius:10px;font-size:14.5px;margin-top:14px}.form-success.show{display:block}.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.info-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}.info-list li:last-child{border-bottom:none}.info-list .ico{width:42px;height:42px;border-radius:11px;background:var(--blue-50);color:var(--blue-500);display:grid;place-items:center;flex:none}.info-list .ico svg{width:22px;height:22px}.info-list b{display:block;color:var(--ink-900);font-size:15px}.info-list span{color:var(--ink-500);font-size:14px}.cta-banner{text-align:center}.cta-banner h2{color:#fff;font-size:clamp(24px,4vw,34px)}.cta-banner p{color:rgba(255,255,255,.88);max-width:560px;margin:0 auto 26px;font-size:17px}.site-footer{background:var(--ink-900);color:#c5cedd;padding:60px 0 26px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}.footer-grid h4{color:#fff;font-size:16px;margin-bottom:16px}.site-footer .brand{color:#fff;margin-bottom:14px}.site-footer .brand .name small{color:var(--blue-300)}.footer-about p{color:#9aa6b6;font-size:14.5px}.footer-links a{display:block;color:#9aa6b6;padding:6px 0;font-size:14.5px}.footer-links a:hover{color:#fff}.footer-contact li{display:flex;gap:10px;align-items:flex-start;padding:6px 0;font-size:14.5px;color:#9aa6b6}.footer-contact svg{width:18px;height:18px;color:var(--blue-300);flex:none;margin-top:3px}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13.5px;color:#8b96a8}.beian-row{width:100%;text-align:center;margin-top:6px}.beian-row a{color:#8b96a8;display:inline-flex;align-items:center;font-size:12px;opacity:.8;transition:opacity .2s}.beian-row a:hover{opacity:1;color:var(--blue-300)}@media(max-width:768px){.footer-bottom{flex-direction:column;text-align:center}}.breadcrumb{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:16px 0;font-size:14px;color:var(--ink-500)}.breadcrumb a{color:var(--ink-500)}.breadcrumb a:hover{color:var(--blue-500)}.breadcrumb span{color:var(--blue-500)}.page-hero{background:linear-gradient(135deg,var(--blue-700),var(--blue-500));color:#fff;padding:64px 0}.page-hero h1{color:#fff;font-size:clamp(26px,4vw,38px);margin-bottom:8px}.page-hero p{color:rgba(255,255,255,.85);margin:0;font-size:16px}.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}.reveal.in{opacity:1;transform:none}@media (max-width:1024px){.hero-grid{grid-template-columns:1fr;gap:36px}.hero-card{max-width:480px}.footer-grid{grid-template-columns:1fr 1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-5{grid-template-columns:repeat(3,1fr)}}@media (max-width:768px){.section{padding:60px 0}.nav-links,.nav-cta{display:none}.nav-toggle{display:block}.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr);gap:28px 16px}.contact-box{grid-template-columns:1fr;gap:28px}.footer-grid{grid-template-columns:1fr;gap:28px}.hero{padding:70px 0 80px}.section-head{margin-bottom:36px}}@media (max-width:420px){.container{padding:0 16px}.stats{grid-template-columns:1fr 1fr}.hero-actions .btn{flex:1}}