*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#2563eb;--primary-light:#3b82f6;--primary-bg:#eff6ff;--accent:#facc15;--dark:#0f172a;--gray:#64748b;--light:#f8fafc;--border:#e2e8f0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--dark);background:#fff;overflow-x:hidden}
a{text-decoration:none;color:inherit}ul{list-style:none}svg{display:block}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.88);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,0.06);transition:all .3s ease}
.nav-container{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:72px}
.nav-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;color:var(--dark)}
.nav-logo .logo-mark{width:42px;height:42px;flex-shrink:0}
.nav-logo .logo-text{display:flex;flex-direction:column;line-height:1.1}
.nav-logo .logo-text .cn{font-size:19px;font-weight:900;letter-spacing:1px}
.nav-logo .logo-text .en{font-size:9px;color:var(--gray);letter-spacing:2px;font-weight:600}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-menu a{font-size:15px;font-weight:500;color:var(--dark);position:relative;transition:color .3s}
.nav-menu a:hover{color:var(--primary)}
.nav-menu a::after{content:'';position:absolute;bottom:-6px;left:0;width:0;height:2px;background:var(--primary);transition:width .3s}
.nav-menu a:hover::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s;border:none;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#1d4ed8;transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.35)}
.btn-outline{background:transparent;color:var(--dark);border:2px solid var(--dark)}
.btn-outline:hover{background:var(--dark);color:#fff}
.btn-ghost{background:var(--primary-bg);color:var(--primary)}
.btn-ghost:hover{background:#dbeafe}
.mobile-menu-btn{display:none;background:none;border:none;cursor:pointer;color:var(--dark)}
.category-bar{margin-top:72px;background:linear-gradient(90deg,#f0f7ff,#e0edff,#f0f7ff);padding:14px 0;overflow:hidden;border-bottom:1px solid var(--border)}
.category-track{display:flex;animation:scrollCategory 30s linear infinite;width:max-content}
@keyframes scrollCategory{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.category-item{display:flex;align-items:center;gap:8px;padding:8px 24px;font-size:14px;font-weight:500;color:var(--dark);white-space:nowrap;border-right:1px solid rgba(0,0,0,.08)}
.category-item .dot{width:8px;height:8px;border-radius:50%}
.hero{position:relative;min-height:680px;background:linear-gradient(180deg,#f0f7ff 0%,#fff 100%);overflow:hidden;padding:80px 0 60px}
#particleCanvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}
.hero-container{max-width:1280px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
.hero-tabs{display:flex;margin-bottom:40px;border-bottom:2px solid var(--border);max-width:fit-content}
.hero-tab{padding:14px 32px;font-size:16px;font-weight:700;cursor:pointer;transition:all .3s;border-bottom:3px solid transparent;margin-bottom:-2px;color:var(--gray)}
.hero-tab.active{color:var(--dark);border-bottom-color:var(--primary)}
.hero-tab:hover{color:var(--dark)}
.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text h1{font-size:48px;font-weight:900;line-height:1.2;margin-bottom:20px;color:var(--dark)}
.hero-text p{font-size:17px;color:var(--gray);line-height:1.8;margin-bottom:32px}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{position:relative;height:420px;display:flex;align-items:center;justify-content:center}
.phone-mockup{position:absolute;border-radius:28px;background:#fff;box-shadow:0 20px 60px rgba(0,0,0,.12);overflow:hidden}
.phone-1{width:220px;height:440px;left:10%;top:10%;transform:rotate(-8deg);z-index:2;animation:float1 6s ease-in-out infinite}
.phone-2{width:260px;height:500px;left:50%;transform:translateX(-50%);z-index:3;animation:float2 7s ease-in-out infinite}
.phone-3{width:200px;height:400px;right:5%;top:15%;transform:rotate(8deg);z-index:2;animation:float3 5.5s ease-in-out infinite}
@keyframes float1{0%,100%{transform:rotate(-8deg) translateY(0)}50%{transform:rotate(-8deg) translateY(-15px)}}
@keyframes float2{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-20px)}}
@keyframes float3{0%,100%{transform:rotate(8deg) translateY(0)}50%{transform:rotate(8deg) translateY(-12px)}}
.phone-screen{width:100%;height:100%;background:linear-gradient(180deg,#f0f7ff,#e0edff);padding:16px;display:flex;flex-direction:column;gap:10px}
.phone-header{display:flex;align-items:center;gap:8px;padding:8px 0}
.phone-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#2563eb,#60a5fa);display:flex;align-items:center;justify-content:center;color:#fff}
.phone-info{flex:1}.phone-info .name{font-size:12px;font-weight:700}.phone-info .id{font-size:10px;color:var(--gray)}
.phone-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;background:linear-gradient(135deg,#2563eb,#1d4ed8);border-radius:12px;padding:12px 6px;color:#fff}
.phone-stat{text-align:center}.phone-stat .num{font-size:14px;font-weight:800}.phone-stat .label{font-size:8px;opacity:.8}
.phone-card{background:#fff;border-radius:10px;padding:10px;font-size:10px;color:var(--gray)}
.phone-banner{background:linear-gradient(135deg,#1e293b,#0f172a);border-radius:10px;padding:14px;color:#fff;text-align:center}
.phone-banner .title{font-size:14px;font-weight:800;margin-bottom:4px}.phone-banner .sub{font-size:9px;opacity:.7}
.flow-section{background:linear-gradient(180deg,#fff,#eff6ff);padding:60px 0}
.flow-container{max-width:900px;margin:0 auto;padding:0 24px}
.flow-label{text-align:center;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:3px;margin-bottom:8px}
.flow-title{text-align:center;font-size:24px;font-weight:800;margin-bottom:32px}
.flow-steps{display:flex;align-items:center;justify-content:center;margin-bottom:24px}
.flow-step{display:flex;align-items:center;gap:10px;padding:14px 28px;background:#fff;border-radius:50px;box-shadow:0 4px 20px rgba(0,0,0,.06);font-size:15px;font-weight:600}
.flow-step .step-icon{width:22px;height:22px;color:var(--primary)}
.flow-arrow{color:var(--primary);margin:0 8px;display:flex;align-items:center}
.flow-bar{display:flex;align-items:center;justify-content:space-between;max-width:600px;margin:0 auto}
.flow-bar .bar-text{font-size:13px;color:var(--gray)}
.flow-bar .bar-line{flex:1;height:4px;background:var(--border);border-radius:2px;margin:0 16px;position:relative;overflow:hidden}
.flow-bar .bar-line::after{content:'';position:absolute;top:0;left:0;height:100%;width:60%;background:linear-gradient(90deg,var(--primary),#60a5fa);border-radius:2px}
.services{padding:80px 0;background:#fff}
.section-container{max-width:1280px;margin:0 auto;padding:0 24px}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.service-card{position:relative;background:#fff;border:2px solid var(--dark);border-radius:16px;padding:36px 24px 28px;text-align:center;transition:all .4s cubic-bezier(.4,0,.2,1);cursor:pointer}
.service-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(0,0,0,.1);border-color:var(--primary)}
.service-card .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--dark);color:#fff;padding:4px 16px;border-radius:4px;font-size:11px;font-weight:700;letter-spacing:1px;transition:background .3s}
.service-card:hover .tag{background:var(--primary)}
.service-card .card-icon{width:56px;height:56px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;color:var(--primary);transition:transform .3s}
.service-card:hover .card-icon{transform:scale(1.1)}
.service-card h3{font-size:18px;font-weight:800;margin-bottom:6px}.service-card p{font-size:13px;color:var(--gray)}
.marquee{background:var(--dark);padding:18px 0;overflow:hidden}
.marquee-track{display:flex;gap:40px;animation:marquee 25s linear infinite;width:max-content}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.marquee-item{display:flex;align-items:center;gap:10px;color:#fff;font-size:14px;font-weight:500;white-space:nowrap}
.marquee-item .diamond{width:6px;height:6px;background:var(--accent);transform:rotate(45deg)}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:36px;font-weight:900;margin-bottom:12px}
.section-header p{font-size:15px;color:var(--gray);max-width:600px;margin:0 auto}
.solutions{padding:80px 0;background:linear-gradient(180deg,#fff,#f8fafc)}
.solution-tabs{display:flex;gap:0;justify-content:center;margin-bottom:40px;flex-wrap:wrap;padding:8px;background:#fff;border-radius:16px;box-shadow:0 4px 20px rgba(0,0,0,.06);max-width:fit-content;margin-left:auto;margin-right:auto}
.solution-tab{padding:12px 20px;font-size:14px;font-weight:600;cursor:pointer;border-radius:10px;transition:all .3s;color:var(--gray);display:flex;align-items:center;gap:8px}
.solution-tab.active{background:var(--primary);color:#fff}
.solution-tab .tab-icon{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:13px;color:#fff;font-weight:800}
.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.solution-card{background:#fff;border-radius:16px;padding:28px;border:1px solid var(--border);transition:all .4s;position:relative;overflow:hidden}
.solution-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.08);border-color:var(--primary)}
.solution-card .hot-tag{position:absolute;top:16px;right:16px;background:#ef4444;color:#fff;padding:3px 10px;border-radius:4px;font-size:10px;font-weight:700}
.solution-card .card-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#eff6ff,#dbeafe);display:flex;align-items:center;justify-content:center;color:var(--primary);margin-bottom:16px}
.solution-card h3{font-size:17px;font-weight:800;margin-bottom:10px}
.solution-card p{font-size:13px;color:var(--gray);line-height:1.7;margin-bottom:16px}
.solution-tags{display:flex;flex-wrap:wrap;gap:6px}
.solution-tags span{background:var(--dark);color:#fff;padding:4px 10px;border-radius:4px;font-size:11px;font-weight:500}
.guide{padding:80px 0;background:#fff}
.guide-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.guide-step{background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:16px;padding:28px;border:1px solid var(--border);transition:all .4s;position:relative}
.guide-step:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.08)}
.guide-step .step-num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:28px;background:var(--dark);color:#fff;border-radius:6px;font-size:13px;font-weight:800;margin-bottom:14px}
.guide-step h3{font-size:17px;font-weight:800;margin-bottom:10px}
.guide-step p{font-size:13px;color:var(--gray);line-height:1.7;margin-bottom:14px}
.guide-step ul li{font-size:12px;color:var(--gray);padding:3px 0;display:flex;align-items:center;gap:6px}
.guide-step ul li::before{content:'';width:6px;height:6px;background:#ef4444;border-radius:50%;flex-shrink:0}
.guide-cta{text-align:center;margin-top:48px}
.guide-cta p{font-size:14px;color:var(--gray);margin-bottom:16px}
.security{padding:80px 0;background:linear-gradient(180deg,#f8fafc,#fff)}
.security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.security-card{background:#fff;border-radius:16px;padding:32px;border:1px solid var(--border);transition:all .4s}
.security-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.08);border-color:var(--primary)}
.security-card .card-label{font-size:11px;font-weight:800;color:var(--primary);letter-spacing:2px;margin-bottom:12px}
.security-card .sec-icon{width:48px;height:48px;color:var(--primary);margin-bottom:16px}
.security-card h3{font-size:20px;font-weight:800;margin-bottom:12px}
.security-card p{font-size:13px;color:var(--gray);line-height:1.8;margin-bottom:16px}
.security-features{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.security-features span{background:#eff6ff;color:var(--primary);padding:5px 12px;border-radius:6px;font-size:12px;font-weight:500}
.security-badge{display:inline-flex;align-items:center;gap:6px;background:var(--dark);color:#fff;padding:6px 14px;border-radius:6px;font-size:12px;font-weight:600}
.scenes{padding:80px 0;background:#fff}
.scenes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{background:linear-gradient(135deg,#f8fafc,#fff);border-radius:16px;padding:32px;border:1px solid var(--border);transition:all .4s}
.scene-card:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 20px 50px rgba(0,0,0,.1);border-color:var(--primary)}
.scene-card .scene-icon{width:44px;height:44px;color:var(--primary);margin-bottom:12px}
.scene-card .scene-label{font-size:11px;font-weight:800;color:var(--primary);letter-spacing:2px;margin-bottom:10px}
.scene-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.scene-card .sub{font-size:13px;color:var(--primary);font-weight:600;margin-bottom:12px}
.scene-card p{font-size:13px;color:var(--gray);line-height:1.7}
.news{padding:80px 0;background:linear-gradient(180deg,#fff,#f8fafc)}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.news-col{background:#fff;border-radius:16px;padding:24px;border:1px solid var(--border)}
.news-col .col-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--border)}
.news-col .col-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#2563eb,#3b82f6);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.news-col h3{font-size:16px;font-weight:800}
.news-list li{padding:10px 0;border-bottom:1px dashed var(--border);font-size:13px}
.news-list li:last-child{border-bottom:none}
.news-list li a{color:var(--dark);transition:color .3s;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-list li a:hover{color:var(--primary)}
.news-list li .date{font-size:11px;color:var(--gray);display:block;margin-top:2px}
.news-more{display:block;text-align:center;margin-top:12px;font-size:12px;color:var(--primary);font-weight:600}
.team{padding:80px 0;background:#fff}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:900px;margin:0 auto}
.team-card{text-align:center;padding:32px;background:linear-gradient(135deg,#f8fafc,#fff);border-radius:16px;border:1px solid var(--border);transition:all .4s}
.team-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.08)}
.team-avatar{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,#eff6ff,#dbeafe);margin:0 auto 16px;display:flex;align-items:center;justify-content:center;color:var(--primary)}
.team-card .partner-label{font-size:11px;font-weight:800;color:var(--gray);letter-spacing:2px;margin-bottom:8px}
.team-card h3{font-size:17px;font-weight:800;margin-bottom:4px}
.team-card .role{font-size:12px;color:var(--primary);font-weight:600;margin-bottom:8px}
.team-card p{font-size:12px;color:var(--gray);line-height:1.6}
.footer{background:var(--dark);color:#fff;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .logo .logo-mark{width:42px;height:42px;flex-shrink:0}
.footer-brand .logo .logo-text{display:flex;flex-direction:column;line-height:1.1}
.footer-brand .logo .logo-text .cn{font-size:18px;font-weight:900;color:#fff;letter-spacing:1px}
.footer-brand .logo .logo-text .en{font-size:8px;color:#94a3b8;letter-spacing:2px;font-weight:600}
.footer-brand p{font-size:13px;color:#94a3b8;line-height:1.8;margin-bottom:16px}
.footer-contact{display:flex;flex-direction:column;gap:8px}
.footer-contact span{font-size:13px;color:#94a3b8;display:flex;align-items:center;gap:8px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13px;color:#94a3b8;transition:color .3s}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;font-size:12px;color:#64748b}
.reveal{opacity:0;transform:translateY(40px);transition:all .8s cubic-bezier(.4,0,.2,1)}
.reveal.active{opacity:1;transform:translateY(0)}
.shop-header{display:flex;align-items:center;gap:16px;padding:20px 24px;background:#fff;border-bottom:1px solid var(--border)}
.shop-avatar{width:64px;height:64px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--primary-bg)}
.shop-avatar img{width:100%;height:100%;object-fit:cover}
.shop-header-info{flex:1}
.shop-name{font-size:22px;font-weight:800;margin-bottom:4px}
.shop-notice{font-size:13px;color:var(--gray)}
.shop-categories{padding:20px 24px;background:#fff;border-bottom:1px solid var(--border)}
.shop-product-list{padding:24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.shop-product-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;cursor:pointer;transition:all .3s}
.shop-product-item:hover{border-color:var(--primary);box-shadow:0 8px 24px rgba(37,99,235,.15);transform:translateY(-4px)}
.shop-product-name{font-size:15px;font-weight:600;margin-bottom:8px}
.shop-product-price{font-size:18px;font-weight:800;color:var(--primary)}
.shop-product-stock{font-size:12px;color:var(--gray);margin-top:4px}
.load-more-btn{display:block;margin:20px auto;padding:12px 32px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s}
.load-more-btn:hover{background:#1d4ed8}
@media(max-width:1024px){
.hero-content{grid-template-columns:1fr;text-align:center}
.hero-buttons{justify-content:center}
.hero-visual{height:360px;margin-top:40px}
.services-grid,.solution-grid,.guide-steps{grid-template-columns:repeat(2,1fr)}
.security-grid,.scenes-grid{grid-template-columns:repeat(2,1fr)}
.news-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.nav-menu{display:none}.mobile-menu-btn{display:flex;align-items:center}
}
@media(max-width:640px){
.hero-text h1{font-size:32px}.section-header h2{font-size:26px}
.services-grid,.solution-grid,.guide-steps,.security-grid,.scenes-grid,.news-grid,.team-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.flow-steps{flex-direction:column;gap:12px}.flow-arrow{transform:rotate(90deg)}
.hero-tabs{overflow-x:auto;max-width:100%}.hero-tab{padding:12px 18px;font-size:14px}
}