*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei",Arial,sans-serif;background:#f5fafe;color:#333;line-height:1.8;font-size:14px}
.warp{max-width:1200px;margin:0 auto;padding:0 20px}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.section{padding:80px 0}
.bg-blue{background:#e6f7ff}
.section-title{text-align:center;margin-bottom:60px}
.section-title h2{font-size:32px;color:#1a1a1a;margin-bottom:15px;position:relative;display:inline-block}
.section-title h2::after{content:"";position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:#0099ff}
.section-title p{font-size:16px;color:#666;max-width:700px;margin:0 auto}
.btn{display:inline-block;padding:12px 30px;border-radius:8px;font-weight:500;transition:all 0.3s;cursor:pointer}
.primary-btn{background:#0099ff;color:#fff}
.primary-btn:hover{background:#0088ee;transform:translateY(-2px)}
.secondary-btn{background:#fff;color:#0099ff;border:1px solid #0099ff}
.secondary-btn:hover{background:#f0f7ff}

/* 顶部通知栏（新增） */
.notify-bar{height:40px;background:#0099ff;color:#fff;display:flex;align-items:center}
.notify-bar p{text-align:center;width:100%;font-size:14px}

/* 头部（布局调整） */
.header{position:fixed;top:40px;left:0;width:100%;background:#fff;box-shadow:0 2px 15px rgba(0,0,0,0.05);z-index:999;transition:top 0.3s}
.header.scroll{top:0}
.header .warp{display:flex;align-items:center;justify-content:space-between;height:75px}
.header-left{display:flex;align-items:center;gap:30px}
.logo img{height:45px}
.search-box{display:flex;align-items:center;background:#f5f7fa;border-radius:30px;padding:0 15px;height:40px;width:280px}
.search-box input{border:none;background:transparent;outline:none;width:100%;font-size:14px}
.search-box button{border:none;background:transparent;cursor:pointer;color:#999}
.nav{display:flex;list-style:none;gap:30px}
.nav a{font-size:15px;font-weight:500;color:#333;transition:color 0.3s}
.nav a:hover{color:#0099ff}
.mobile-btn{display:none;width:28px;height:2px;background:#333;position:relative}
.mobile-btn::before,.mobile-btn::after{content:"";position:absolute;width:28px;height:2px;background:#333;left:0}
.mobile-btn::before{top:-8px}
.mobile-btn::after{top:8px}

/* Banner（全新布局） */
.banner{padding:180px 0 80px;background:linear-gradient(135deg,#e6f7ff,#d1efff);margin-top:40px}
.banner .warp{display:flex;align-items:center;gap:50px}
.banner-content{flex:1}
.banner-content h5{font-size:16px;color:#0099ff;margin-bottom:10px}
.banner-content h1{font-size:45px;color:#1a1a1a;margin-bottom:15px;line-height:1.3}
.banner-content h2{font-size:22px;color:#333;margin-bottom:20px;font-weight:500}
.banner-content p{font-size:16px;color:#666;margin-bottom:30px;max-width:500px}
.banner-btns{display:flex;gap:20px}
.banner-img{flex:1}

/* 核心优势（新增板块） */
.advantage-list{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.advantage-item{background:#fff;padding:30px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,0.03);transition:transform 0.3s}
.advantage-item:hover{transform:translateY(-5px)}
.icon-box{width:60px;height:60px;background:#f0f7ff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.advantage-item h3{font-size:18px;margin-bottom:10px;text-align:center}
.advantage-item p{color:#666;text-align:center}

/* 核心服务（全新布局） */
.service-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.service-card{background:#fff;padding:30px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,0.03);transition:all 0.3s}
.service-card:hover{box-shadow:0 5px 20px rgba(0,0,0,0.05)}
.service-card img{margin:0 auto 20px;border-radius:8px}
.service-card h3{font-size:18px;margin-bottom:12px;text-align:center}
.service-card p{color:#666;margin-bottom:20px;text-align:center;min-height:60px}
.more-btn{display:block;text-align:center;color:#0099ff;font-weight:500}
.more-btn:hover{text-decoration:underline}

/* 智能质押（全新布局） */
.pledge-container{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.pledge-card{background:#fff;padding:30px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,0.03);position:relative;overflow:hidden}
.pledge-card.highlight{border:2px solid #0099ff}
.pledge-card.highlight::before{content:"热门";position:absolute;top:15px;right:15px;background:#0099ff;color:#fff;padding:3px 10px;border-radius:20px;font-size:12px}
.pledge-header{text-align:center;margin-bottom:20px}
.pledge-header h3{font-size:18px;margin-bottom:5px}
.pledge-header span{color:#0099ff;font-weight:600}
.pledge-body p{color:#666;margin-bottom:20px;text-align:center}
.pledge-body ul{list-style:disc;margin-left:20px;color:#666;margin-bottom:25px}
.pledge-body ul li{margin-bottom:5px}
.pledge-btn{display:block;width:100%;text-align:center;background:#0099ff;color:#fff;padding:10px 0;border-radius:6px;transition:background 0.3s}
.pledge-btn:hover{background:#0088ee}

/* 公链支持（全新布局） */
.chain-list{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.chain-item{background:#fff;padding:25px;border-radius:10px;display:flex;flex-direction:column;align-items:center;box-shadow:0 2px 10px rgba(0,0,0,0.03)}
.chain-item img{width:50px;height:50px;margin:0 auto 15px}
.chain-item h3{font-size:18px;margin-bottom:8px}
.chain-item p{color:#666;text-align:center;font-size:13px}

/* 使用指南（全新布局） */
.guide-step{display:flex;align-items:center;gap:20px;background:#fff;padding:25px;border-radius:10px;margin-bottom:20px;box-shadow:0 2px 10px rgba(0,0,0,0.03)}
.step-number{width:40px;height:40px;background:#0099ff;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px;flex-shrink:0}
.step-content{display:flex;align-items:center;gap:20px;flex:1}
.step-content img{width:120px;height:120px;border-radius:8px;object-fit:cover}
.step-text h3{font-size:18px;margin-bottom:8px}
.step-text p{color:#666}
.guide-video{margin-top:40px;background:#fff;padding:25px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,0.03)}
.guide-video h3{text-align:center;margin-bottom:20px;font-size:18px}
.guide-video video{width:100%;border-radius:8px}

/* 官方动态（全新布局） */
.dynamic-item{background:#fff;padding:25px;border-radius:10px;margin-bottom:20px;box-shadow:0 2px 10px rgba(0,0,0,0.03);display:flex;gap:20px}
.dynamic-date{width:80px;height:80px;background:#f0f7ff;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.dynamic-date{font-size:14px;color:#0099ff;font-weight:600;text-align:center}
.dynamic-content{display:flex;gap:15px;flex:1}
.dynamic-content img{width:100px;height:100px;border-radius:8px;object-fit:cover;flex-shrink:0}
.dynamic-text h3{font-size:17px;margin-bottom:8px}
.dynamic-text p{color:#666;font-size:13px}
.dynamic-text a:hover{color:#0099ff}

/* 安全中心（全新布局） */
.security-wrap{display:flex;align-items:center;gap:50px;background:#fff;padding:30px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,0.03)}
.security-left{flex:1}
.security-right{flex:1}
.security-item{display:flex;align-items:center;gap:15px;margin-bottom:25px}
.security-item img{width:40px;height:40px;flex-shrink:0}
.sec-text h3{font-size:16px;margin-bottom:5px}
.sec-text p{color:#666;font-size:13px}
.security-tips{margin-top:30px;background:#fff3cd;border-left:4px solid #ffc107;padding:15px;border-radius:6px}
.security-tips p{color:#856404}

/* 常见疑问（折叠面板，全新样式） */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border-radius:8px;margin-bottom:15px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,0.03)}
.faq-header{display:flex;align-items:center;justify-content:space-between;padding:18px 25px;cursor:pointer;border-bottom:1px solid #f5f5f5}
.faq-header h3{font-size:16px;font-weight:500}
.faq-icon{width:20px;height:20px;border-radius:50%;border:1px solid #0099ff;color:#0099ff;display:flex;align-items:center;justify-content:center;transition:transform 0.3s}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-content{padding:0 25px;max-height:0;overflow:hidden;transition:max-height 0.3s, padding 0.3s}
.faq-item.open .faq-content{padding:15px 25px 25px;max-height:200px}
.faq-content p{color:#666;font-size:13px}

/* 关于我们（全新布局） */
.about-wrap{display:flex;align-items:center;gap:50px;background:#fff;padding:30px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,0.03)}
.about-text{flex:1}
.about-text p{margin-bottom:15px;color:#666;line-height:1.9}
.about-contact{margin-top:30px}
.about-contact h3{font-size:18px;margin-bottom:10px}
.about-contact p{margin-bottom:5px}
.about-img{flex:1}

/* 下载板块（全新布局） */
.download-wrap{display:flex;align-items:center;justify-content:center;gap:80px;background:#fff;padding:40px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,0.03);max-width:900px;margin:0 auto}
.download-qrcode{text-align:center}
.download-qrcode img{width:180px;height:180px;margin:0 auto 15px}
.download-qrcode p{color:#666}
.download-btns{display:flex;flex-direction:column;gap:15px}
.down-btn{display:flex;align-items:center;gap:15px;background:#f5f7fa;padding:15px 30px;border-radius:8px;transition:background 0.3s}
.down-btn:hover{background:#e8f0fe}
.down-btn img{width:30px;height:30px}
.down-btn span{font-size:16px}

/* 页脚（全新布局，白色背景） */
.footer{background:#fff;padding:60px 0;border-top:1px solid #eee}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:30px}
.footer-logo img{height:40px;margin-bottom:15px}
.footer-logo p{color:#666;margin-bottom:15px}
.footer-nav h3{font-size:16px;margin-bottom:15px}
.footer-nav ul{list-style:none}
.footer-nav ul li{margin-bottom:8px}
.footer-nav ul li a{color:#666;transition:color 0.3s}
.footer-nav ul li a:hover{color:#0099ff}
.social-icon{display:flex;gap:15px;margin-top:15px}
.social-icon img{width:30px;height:30px;border-radius:50%}
.footer-bottom{text-align:center;padding-top:30px;border-top:1px solid #eee}
.footer-bottom p{color:#666;font-size:13px}

/* 返回顶部（全新样式） */
.back-top{position:fixed;right:30px;bottom:30px;width:50px;height:50px;background:#0099ff;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:all 0.3s;z-index:999}
.back-top.show{opacity:1;visibility:visible}
.back-top img{width:25px;height:25px;filter:invert(1)}

/* 响应式调整（全新适配） */
@media(max-width:1199px){
  .advantage-list,.service-wrap,.pledge-container{grid-template-columns:repeat(2,1fr)}
  .chain-list{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:2fr 1fr 1fr}
}
@media(max-width:992px){
  .banner .warp{flex-direction:column;text-align:center}
  .security-wrap,.about-wrap,.download-wrap{flex-direction:column;text-align:center}
  .dynamic-item{flex-direction:column}
  .dynamic-content{flex-direction:column}
  .guide-step{flex-direction:column;align-items:flex-start}
  .step-content{flex-direction:column;align-items:flex-start}
}
@media(max-width:768px){
  .nav{display:none}
  .mobile-btn{display:block}
  .search-box{display:none}
  .advantage-list,.service-wrap,.pledge-container,.chain-list{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .banner-content h1{font-size:35px}
  .section{padding:60px 0}
  .section-title h2{font-size:28px}
  .banner{padding:140px 0 60px}
}
@media(max-width:576px){
  .banner-btns{flex-direction:column}
  .banner-content h1{font-size:30px}
  .banner-content h2{font-size:18px}
  .download-wrap{gap:30px}
}