*{padding:0;margin:0;list-style:none}
a{text-decoration:none;color:inherit}
i{font-style:normal}
dl,ol,ul{list-style-type:none}
b{display:inline-block}
em{font-style:normal;font-family:arial}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI','PingFang SC',Roboto,'Helvetica Neue',sans-serif;background:#f9fafc;color:#2d3748;line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
:root{--primary:#1a3f6a;--primary-dark:#0f2a4a;--primary-light:#2a5f8a;--primary-lighter:#4a7faa;--accent:#c9a84c;--accent-light:#e0c878;--bg-light:#f0f4f9;--bg-white:#ffffff;--text-dark:#1a202c;--text-mid:#4a5568;--text-light:#a0aec0;--shadow:0 8px 32px rgba(26, 63, 106, 0.10);--shadow-hover:0 16px 48px rgba(26, 63, 106, 0.18);--radius:12px;--radius-sm:8px;--transition:all 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94)}
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s cubic-bezier(.25, .46, .45, .94),transform .8s cubic-bezier(.25, .46, .45, .94)}
.reveal.active{opacity:1;transform:translateY(0)}
.reveal-left{opacity:0;transform:translateX(-50px);transition:opacity .8s cubic-bezier(.25, .46, .45, .94),transform .8s cubic-bezier(.25, .46, .45, .94)}
.reveal-left.active{opacity:1;transform:translateX(0)}
.reveal-right{opacity:0;transform:translateX(50px);transition:opacity .8s cubic-bezier(.25, .46, .45, .94),transform .8s cubic-bezier(.25, .46, .45, .94)}
.reveal-right.active{opacity:1;transform:translateX(0)}
.reveal-scale{opacity:0;transform:scale(.92);transition:opacity .7s cubic-bezier(.25, .46, .45, .94),transform .7s cubic-bezier(.25, .46, .45, .94)}
.reveal-scale.active{opacity:1;transform:scale(1)}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:12px 0;background:0 0;transition:var(--transition)}
.navbar.scrolled{background:rgba(15,42,74,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:6px 0;box-shadow:0 4px 24px rgba(0,0,0,.25)}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.navbar-brand{display:flex;align-items:center;gap:6px;font-size:22px;font-weight:700;color:#fff;letter-spacing:1px;white-space:nowrap}
.navbar-brand .brand-icon{width:40px;height:40px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary-dark);flex-shrink:0}
.navbar-brand .brand-tag{font-weight:400;font-size:16px;color:var(--accent-light);margin-left:2px}
.navbar-links{display:flex;align-items:center;gap:32px;list-style:none}
.navbar-links a{color:rgba(255,255,255,.85);font-size:15px;font-weight:500;transition:var(--transition);position:relative;padding:4px 0}
.navbar-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--accent);transition:var(--transition)}
.navbar-links a:hover{color:#fff}
.navbar-links a:hover::after{width:100%}
.navbar-phone{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;background:var(--accent);padding:8px 20px;border-radius:40px;transition:var(--transition);white-space:nowrap}
.navbar-phone:hover{background:var(--accent-light);transform:scale(1.03);color:var(--primary-dark)}
.navbar-phone img{width:16px;height:16px;fill:currentColor;filter: brightness(0) invert(1);}
.hamburger{display:none;flex-direction:column;cursor:pointer;gap:5px;background:0 0;border:none;padding:4px}
.hamburger span{width:28px;height:3px;background:#fff;border-radius:4px;transition:var(--transition)}
.hamburger.active span:first-child{transform:rotate(45deg) translate(5px,6px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}
.mobile-menu{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(15,42,74,.98);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:999;flex-direction:column;align-items:center;justify-content:center;gap:32px;opacity:0;pointer-events:none;transition:opacity .4s ease}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu a{color:#fff;font-size:24px;font-weight:500;transition:var(--transition);padding:8px 24px;border-radius:8px}
.mobile-menu a:hover{background:rgba(255,255,255,.08);color:var(--accent-light)}
.mobile-menu .close-btn{position:absolute;top:24px;right:24px;background:0 0;border:none;color:#fff;font-size:36px;cursor:pointer;opacity:.7;transition:var(--transition)}
.mobile-menu .close-btn:hover{opacity:1}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#0f2a4a 0,#1a3f6a 40%,#2a5f8a 70%,#1a3f6a 100%);overflow:hidden;padding: 0 24px;}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 20% 50%,rgba(201,168,76,.12) 0,transparent 60%),radial-gradient(ellipse at 80% 30%,rgba(42,95,138,.25) 0,transparent 50%),radial-gradient(ellipse at 50% 80%,rgba(15,42,74,.4) 0,transparent 50%);pointer-events:none}
.hero::after{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");pointer-events:none}
.hero-content{position:relative;z-index:2;text-align:center;max-width:960px;width:100%}
.hero-badge{display:inline-block;background:rgba(201,168,76,.18);border:1px solid rgba(201,168,76,.3);color:var(--accent-light);padding:6px 24px;border-radius:40px;font-size:14px;font-weight:500;letter-spacing:2px;text-transform:uppercase;margin-bottom:24px;backdrop-filter:blur(4px);animation:fadeInDown 1s ease forwards;opacity:0}
.hero-title{font-size:clamp(36px, 7vw, 72px);font-weight:800;color:#fff;line-height:1.15;margin-bottom:16px;letter-spacing:-.5px;animation:fadeInUp 1s ease .2s forwards;opacity:0}
.hero-title .highlight{color:var(--accent);position:relative}
.hero-title .highlight::after{content:'';position:absolute;bottom:4px;left:0;right:0;height:6px;background:rgba(201,168,76,.25);border-radius:4px}
.hero-sub{font-size: clamp(16px, 2vw, 20px);color:rgba(255,255,255,.8);font-weight:300;max-width:720px;margin: 0 auto 28px;animation:fadeInUp 1s ease .4s forwards;opacity:0;}
.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:32px 48px;margin-top:40px;animation:fadeInUp 1s ease .6s forwards;opacity:0}
.hero-stat{text-align:center}
.hero-stat .num{font-size:36px;font-weight:700;color:var(--accent);line-height:1.2}
.hero-stat .label{font-size:14px;color:rgba(255,255,255,.6);letter-spacing:1px;margin-top:4px}
.hero-scroll{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:2;animation:bounce 2s infinite;color:rgba(255,255,255,.4);font-size:12px;letter-spacing:2px;display:flex;flex-direction:column;align-items:center;gap:6px}
.hero-scroll img{width:24px;height:24px;fill:currentColor}
.hero .trust-labels{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom: 30px;animation: fadeInUp 1s ease .2s forwards;opacity: 0;}
.hero .trust-labels span{display:inline-flex;align-items:center;min-height:34px;padding: 5px 13px;border-radius:999px;background:rgba(245,158,11,.16);border:1px solid rgba(245,158,11,.36);color:#fff;font-size:14px;font-weight:900;}
.hero .trust-labels span:before{content:"";width:7px;height:7px;border-radius:50%;background: #c9a84c;margin-right:8px;}
.hero .topic-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:14px auto 0;max-width:900px;animation: fadeInUp 1s ease .2s forwards;opacity: 0;}
.hero .topic-tags span{display:inline-flex;align-items:center;min-height:30px;padding:4px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);color:rgba(255,255,255,.9);font-size:13px;font-weight:800}



@keyframes fadeInUp{0%{opacity:0;transform:translateY(32px)}
100%{opacity:1;transform:translateY(0)}
}
@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}
100%{opacity:1;transform:translateY(0)}
}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}
50%{transform:translateX(-50%) translateY(10px)}
}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:clamp(28px, 4vw, 42px);font-weight:700;color:var(--primary-dark);letter-spacing:-.3px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:4px;background:var(--accent);border-radius:4px;margin:14px auto 0}
.section-title p{color:var(--text-mid);font-size:17px;max-width:600px;margin:12px auto 0}
.about{padding:100px 0 80px;background:var(--bg-white)}
.about .container{display:flex;align-items:center;gap:60px;flex-wrap:wrap}
.about-text{flex:1 1 50%;min-width:300px}
.about-text .label{color:var(--accent);font-weight:600;font-size:14px;letter-spacing:2px;text-transform:uppercase;margin-bottom:8px}
.about-text h2{font-size:clamp(26px, 3.5vw, 38px);font-weight:700;color:var(--primary-dark);margin-bottom:20px;line-height:1.3}
.about-text p{color:var(--text-mid);font-size:16px;margin-bottom:16px;line-height:1.8}
.about-text .about-phone{display:inline-flex;align-items:center;gap:10px;background:var(--primary);color:#fff;padding:12px 28px;border-radius:40px;font-size:18px;font-weight:600;margin-top:8px;transition:var(--transition)}
.about-text .about-phone:hover{background:var(--primary-dark);transform:scale(1.02)}
.about-text .about-phone img{width:20px;height:20px;fill:currentColor;filter: brightness(0) invert(1);}
.about-image{flex:1 1 40%;min-width:280px;text-align:center}
.about-image img{width:100%;max-width:600px;border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition)}
.about-image img:hover{box-shadow:var(--shadow-hover);transform:scale(1.01)}
.products{padding:100px 0 80px;background:var(--bg-light)}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.product-card{background:var(--bg-white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:default}
.product-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px)}
.product-card .img-wrap{aspect-ratio:1/1;overflow:hidden;background:#f0f4f9;position:relative}
.product-card .img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.25, .46, .45, .94)}
.product-card:hover .img-wrap img{transform:scale(1.08)}
.product-card .pname{padding:15px;text-align:center;font-size:18px;font-weight:600;color:var(--primary-dark);letter-spacing:.3px}
.product-card .text{font-size: 16px;color: #333;padding: 20px;padding-top: 0;}
.advantages{padding:100px 0 80px;background:var(--bg-white)}
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px}
.adv-card{background:var(--bg-light);border-radius:var(--radius);padding: 30px 20px 30px;text-align:center;transition:var(--transition);border-bottom:3px solid transparent;}
.adv-card:hover{border-bottom-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow)}
.adv-card .icon{text-align: center;display: flex;justify-content: center;margin-bottom: 3%;}
.adv-card h4{font-size:20px;font-weight:600;color:var(--primary-dark);margin-bottom:10px}
.adv-card p{color:var(--text-mid);font-size:15px;line-height:1.7}
.contact-cta{padding:80px 0 72px;background:linear-gradient(145deg,var(--primary-dark),var(--primary));color:#fff;text-align:center}
.contact-cta h2{font-size:clamp(26px, 3.5vw, 40px);font-weight:700;margin-bottom:16px}
.contact-cta p{font-size:18px;color:rgba(255,255,255,.8);max-width:640px;margin:0 auto 28px}
.contact-cta .cta-phone{display:inline-flex;align-items:center;gap:12px;background:var(--accent);color:var(--primary-dark);padding:16px 40px;border-radius:60px;font-size:22px;font-weight:700;transition:var(--transition)}
.contact-cta .cta-phone:hover{background:var(--accent-light);transform:scale(1.04);box-shadow:0 8px 32px rgba(201,168,76,.35)}
.contact-cta .cta-phone img{width:24px;height:24px;fill:currentColor}
.contact-cta .sub-info{margin-top:20px;font-size:14px;color:rgba(255,255,255,.5)}
.footer{background:#0d1f34;color:rgba(255,255,255,.7);padding:48px 0 32px}
.footer .container{display:flex;flex-direction:column;gap:32px}
.footer-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px}
.footer-brand{font-size:20px;font-weight:700;color:#fff;display:flex;align-items:center;gap:6px}
.footer-brand .tag{color:var(--accent-light);font-weight:400;font-size:14px}
.footer-links{display:flex;flex-wrap:wrap;gap:28px;list-style:none}
.footer-links a{color:rgba(255,255,255,.6);font-size:14px;transition:var(--transition);display: flex;align-items: center;}
.footer-links a img{width: 16px;filter: brightness(0) invert(1);margin-right: 5px;}
.footer-links a:hover{color:var(--accent-light)}
.footer-divider{height:1px;background:rgba(255,255,255,.08);border:none;margin:8px 0}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom a{color:rgba(255,255,255,.5);transition:var(--transition)}
.footer-bottom a:hover{color:var(--accent-light)}
.friend-links{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:center;padding:12px 0 4px;border-top:1px solid rgba(255,255,255,.05);margin-top:8px}
.friend-links a{color:rgba(255,255,255,.35);font-size:13px;transition:var(--transition);letter-spacing:.3px}
.friend-links a:hover{color:rgba(255,255,255,.7)}
.mobile-call-btn{display:none;position:fixed;bottom:28px;right:28px;z-index:998;width:60px;height:60px;border-radius:50%;background:var(--accent);color:var(--primary-dark);box-shadow:0 6px 28px rgba(201,168,76,.45);align-items:center;justify-content:center;transition:var(--transition);border:none;cursor:pointer}
.mobile-call-btn:hover{transform:scale(1.08);box-shadow:0 8px 36px rgba(201,168,76,.55)}
.mobile-call-btn img{width:24px;height:24px;fill:currentColor;filter: brightness(0) invert(1);}
@media (max-width:1024px){.product-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:868px){.navbar-links{display:none}
.navbar-phone{display:none}
.hamburger{display:flex}
.mobile-menu{display:flex}
.about .container{flex-direction:column}
.about-text{order:1}
.about-image{order:0}
.about-image img{max-width:100%}
.product-grid{grid-template-columns:repeat(2,1fr);gap:20px}
.hero-stats{gap: 24px 32px;margin-top: 25px;}
.hero-stat .num{font-size:28px}
.contact-cta .cta-phone{font-size:18px;padding:14px 28px}
.mobile-call-btn{display:flex}
.footer-top{flex-direction:column;align-items:center;text-align:center}
.footer-links{justify-content:center}
}
@media (max-width:520px){
.products{padding: 50px 0;}
.product-card .text{font-size: 14px;padding: 10px;padding-top: 0;}
.product-grid{grid-template-columns:repeat(2,1fr);gap:14px}
.product-card .pname{font-size:14px;padding:12px 10px 14px}
.navbar-brand{font-size:17px}
.navbar-brand .brand-icon{width:32px;height:32px;font-size:16px}
.navbar-brand .brand-tag{font-size:13px}
.hero{}
.hero-title{font-size:28px}
.hero-sub{font-size: 15px;}
.section-title h2{font-size:24px}
.about-text h2{font-size:22px}
.section-title p{font-size: 15px;}
.adv-grid{grid-template-columns:1fr}
.mobile-call-btn{width:52px;height:52px;bottom:20px;right:20px}
.mobile-call-btn img{width:24px;height:24px}
.advantages{padding: 50px 0;}
}
@media (min-width:869px){.mobile-menu{display:none!important}
.hamburger{display:none!important}
}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:#e8edf3}
::-webkit-scrollbar-thumb{background:var(--primary-light);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:var(--primary)}
::selection{background:var(--accent);color:var(--primary-dark)}



/* faq */
.faq{padding: 90px 0;background-color: #F0F4F9;}
.faq ul{max-width: 1240px;width: 92%;margin: 0 auto;}
.faq ul li{padding: 25px;border-radius: 14px;border: 1px solid #eee;margin: 12px 0;background: #fff;}
.faq ul li .t1{font-size: 20px;color: #333;margin-bottom: 10px;font-weight: bold;}
.faq ul li .text{font-size: 16px;line-height: 1.88;color: #666;}
@media (max-width:520px){
.faq{padding: 50px 0;}
.faq ul li{padding: 15px;margin: 10px 0;}
.faq ul li .t1{font-size: 18px;}
.faq ul li .text{font-size: 15px;}
}


/* news */
.news{padding: 90px 0;}
.news ul{max-width: 1240px;width: 92%;margin: 0 auto;display: flex;align-items: center;flex-wrap: wrap;justify-content: space-between;}
.news ul li{margin: 8px 0;width: 49%;}
.news ul li a{padding: 15px 20px;display: block;border: 1px solid #e7edf4;border-radius: 10px;}
.news ul li .t1{font-size: 16px;color: #333;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 1;overflow: hidden;}
@media (max-width:520px){
.news{padding: 50px 0;}
.news ul li{width: 100%;margin: 5px 0;}
.news ul li a{padding: 10px 15px;}
.news ul li .t1{font-size: 15px;}
}


/* about */
.about{padding: 80px 0;}
.about .cont{padding: 40px;border: 1px solid #e7edf4;max-width: 1288px;width: 92%;margin: 0 auto;box-shadow: 0 0 4px rgb(0 0 0 / 10%);border-radius: 8px;}
.about .cont .text p{font-size: 16px;color: #334155;line-height: 2;text-indent: 2em;}
.about .cont .t1{font-size: 20px;margin: 20px 0;font-weight: bold;color: #0d1f34;}
.about .cont ul{padding-top: 20px;border-top: 1px solid #eee;display: flex;align-items: center;flex-wrap: wrap;justify-content: space-between;}
.about .cont ul li{width: 32.6%;margin: 6px 0;}
.about .cont ul li>div{background: #f8fbff;border: 1px solid #dfe8f2;border-radius: 12px;padding: 12px 14px;}
.about .cont ul li span{font-size: 18px;color: #64748b;margin-bottom: 8px;}
.about .cont ul li p{font-size: 15px;color: #333;}
@media (max-width:520px){
.about{padding: 40px 0;}
.about .cont{width: 82%;padding: 20px;}
.about .cont .text p{font-size: 15px;}
.about .cont .t1{font-size: 18px;margin: 15px 0;}
.about .cont ul{margin-top: 15px;}
.about .cont ul li{width: 100%;}
.about .cont ul li>div{padding: 10px;border-radius: 8px;}
.about .cont ul li span{font-size: 16px;}
.about .cont ul li p{font-size: 14px;}
}