*{margin:0;padding:0;box-sizing:border-box;font-family:"Microsoft YaHei",sans-serif;}
a{text-decoration:none;color:#333;}
ul{list-style:none;}
.container{width:1200px;margin:0 auto;}
@media (max-width:1200px){.container{width:95%;}}
@media (max-width:768px){.container{width:92%;}}

header{width:100%;height:80px;border-bottom:1px solid #eee;position:sticky;top:0;background:#fff;z-index:999;}
.header-wrap{display:flex;justify-content:space-between;align-items:center;height:100%;}
.logo{font-size:24px;font-weight:bold;color:#165DFF;}
.nav-box{display:flex;align-items:center;gap:35px;}
.nav-list{display:flex;gap:35px;}
.nav-list li a{font-size:16px;color:#333;transition:color .3s;}
.nav-list li a:hover{color:#165DFF;}
.nav-btn{display:flex;gap:15px;}
.btn{padding:8px 20px;border-radius:4px;font-size:14px;transition:all .3s;display:inline-block;}
.btn-outline{border:1px solid #165DFF;color:#165DFF;}
.btn-primary{background:#165DFF;color:#fff;border:1px solid #165DFF;}
.btn:hover{opacity:.9;}
.hamburger{display:none;width:30px;height:22px;flex-direction:column;justify-content:space-between;cursor:pointer;}
.hamburger span{width:100%;height:3px;background:#165DFF;border-radius:2px;transition:all .3s;}
@media (max-width:992px){
    .hamburger{display:flex;}
    .nav-box{position:absolute;top:80px;left:0;width:100%;background:#fff;border-bottom:1px solid #eee;flex-direction:column;gap:0;max-height:0;overflow:hidden;transition:max-height .3s;}
    .nav-box.active{max-height:500px;}
    .nav-list{flex-direction:column;width:100%;gap:0;}
    .nav-list li{width:100%;border-bottom:1px solid #f5f5f5;}
    .nav-list li a{display:block;padding:15px 20px;width:100%;}
    .nav-btn{padding:15px 20px;width:100%;justify-content:flex-start;}
}

.carousel{width:100%;position:relative;overflow:hidden;}
.carousel-wrap{display:flex;transition:transform .5s ease-in-out;height:500px;}
.carousel-item{width:100%;flex-shrink:0;position:relative;}
.carousel-item img{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0;z-index:0;}
.carousel-mask{width:100%;height:100%;position:absolute;top:0;left:0;background:linear-gradient(90deg,rgba(22,93,255,.85) 0%,rgba(22,93,255,.3) 100%);z-index:1;}
.carousel-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff;}
.carousel-content h1{font-size:42px;line-height:1.4;margin-bottom:20px;}
.carousel-content h2{font-size:38px;line-height:1.4;margin-bottom:20px;}
.carousel-content p{font-size:18px;line-height:1.6;margin-bottom:30px;max-width:600px;}
.carousel-btn{display:flex;gap:20px;}
.carousel-btn .btn{font-size:16px;padding:10px 30px;}
.btn-white{background:#fff;color:#165DFF;border:1px solid #fff;}
.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);width:45px;height:45px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;border:none;font-size:20px;cursor:pointer;z-index:10;transition:background .3s;display:flex;align-items:center;justify-content:center;}
.carousel-arrow:hover{background:rgba(255,255,255,.3);}
.arrow-prev{left:20px;}
.arrow-next{right:20px;}
.carousel-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:10;}
.carousel-dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:all .3s;border:none;}
.carousel-dot.active{background:#fff;width:30px;border-radius:6px;}
@media (max-width:768px){
    .carousel-wrap{height:350px;}
    .carousel-content h1{font-size:28px;}
    .carousel-content h2{font-size:26px;}
    .carousel-content p{font-size:16px;margin-bottom:20px;}
    .carousel-arrow{width:35px;height:35px;font-size:16px;}
    .arrow-prev{left:10px;}
    .arrow-next{right:10px;}
    .carousel-btn{flex-wrap:wrap;}
}

.section{padding:70px 0;}
.section-title{text-align:center;margin-bottom:60px;}
.section-title h2{font-size:32px;color:#222;margin-bottom:15px;}
.section-title p{font-size:16px;color:#666;}
@media (max-width:768px){
    .section{padding:40px 0;}
    .section-title{margin-bottom:40px;}
    .section-title h2{font-size:24px;}
}

.advantage-list{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;}
.advantage-item{padding:30px;border:1px solid #eee;border-radius:8px;transition:box-shadow .3s;}
.advantage-item:hover{box-shadow:0 5px 15px rgba(0,0,0,.05);}
.advantage-item h3{font-size:20px;color:#222;margin-bottom:15px;}
.advantage-item p{font-size:14px;color:#666;line-height:1.6;}
@media (max-width:1200px){.advantage-list{grid-template-columns:repeat(2,1fr);}}
@media (max-width:768px){.advantage-list{grid-template-columns:1fr;gap:20px;}}

.scene-bg{background:#f8f9fa;}
.scene-list{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.scene-item{padding:25px;border-radius:8px;background:#fff;transition:transform .3s;}
.scene-item:hover{transform:translateY(-5px);}
.scene-item h3{font-size:18px;color:#222;margin-bottom:10px;}
.scene-item p{font-size:14px;color:#666;line-height:1.5;}
@media (max-width:992px){.scene-list{grid-template-columns:repeat(2,1fr);}}
@media (max-width:768px){.scene-list{grid-template-columns:1fr;gap:20px;}}

.channel-list{display:flex;justify-content:center;flex-wrap:wrap;gap:40px;}
.channel-item{text-align:center;}
.channel-item .icon{width:60px;height:60px;border-radius:50%;background:#f5f8ff;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-size:20px;color:#165DFF;font-weight:bold;}
.channel-item p{font-size:16px;color:#333;}
@media (max-width:768px){
    .channel-list{gap:30px;}
    .channel-item .icon{width:50px;height:50px;font-size:18px;}
}

.flow-bg{background:#f8f9fa;}
.flow-list{display:flex;justify-content:space-between;align-items:center;position:relative;}
.flow-list::before{content:'';position:absolute;top:30px;left:10%;width:80%;height:2px;background:#eee;z-index:0;}
.flow-item{position:relative;z-index:1;text-align:center;width:20%;}
.flow-item .num{width:60px;height:60px;border-radius:50%;background:#165DFF;color:#fff;font-size:20px;margin:0 auto 15px;display:flex;align-items:center;justify-content:center;}
.flow-item h3{font-size:18px;color:#222;margin-bottom:10px;}
.flow-item p{font-size:14px;color:#666;}
@media (max-width:768px){
    .flow-list{flex-direction:column;gap:30px;}
    .flow-list::before{display:none;}
    .flow-item{width:100%;display:flex;align-items:center;gap:20px;text-align:left;}
    .flow-item .num{width:50px;height:50px;font-size:18px;margin:0;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
}

.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{margin-bottom:20px;border:1px solid #eee;border-radius:8px;overflow:hidden;}
.faq-item h3{padding:20px;background:#f8f9fa;font-size:16px;color:#222;cursor:pointer;}
.faq-item p{padding:20px;font-size:14px;color:#666;line-height:1.6;}
@media (max-width:768px){
    .faq-item h3{padding:15px;font-size:15px;}
    .faq-item p{padding:15px;}
}

.cta-section{background:linear-gradient(to bottom,#f5f8ff,#fff);padding:60px 0;text-align:center;}
.cta-section h2{font-size:32px;margin-bottom:20px;color:#222;}
.cta-section p{font-size:16px;color:#666;margin-bottom:30px;max-width:800px;margin-left:auto;margin-right:auto;}
@media (max-width:768px){
    .cta-section{padding:40px 0;}
    .cta-section h2{font-size:24px;}
}

footer{background:#222;color:#fff;padding:60px 0 20px;}
.footer-wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.footer-logo h2{font-size:24px;color:#fff;margin-bottom:15px;}
.footer-logo p{font-size:14px;color:#aaa;line-height:1.6;}
.footer-nav h3{font-size:18px;color:#fff;margin-bottom:20px;}
.footer-nav ul{display:flex;flex-direction:column;gap:12px;}
.footer-nav ul li a{font-size:14px;color:#aaa;transition:color .3s;}
.footer-nav ul li a:hover{color:#fff;}
.footer-bottom{padding-top:20px;border-top:1px solid #444;text-align:center;}
.footer-bottom p{font-size:14px;color:#aaa;line-height:1.8;}
.footer-bottom a{color:#aaa;}
@media (max-width:992px){.footer-wrap{grid-template-columns:repeat(2,1fr);}}
@media (max-width:768px){.footer-wrap{grid-template-columns:1fr;gap:30px;}}