/* ===== 首页样式 ===== */

/* --- Header --- */
header{position:fixed;top:0;left:0;width:100%;z-index:100;padding:14px 0;transition:all .4s}
header.scrolled{background:rgba(255,255,255,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 2px 30px rgba(0,0,0,.04)}
.header-inner{display:flex;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px;height:60px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:#1a1a2e;flex-shrink:0}
.logo span{display:none}
nav{display:flex;align-items:center;gap:2px;margin-left:40px;flex:1}
nav a{padding:8px 14px;color:rgba(26,26,46,.55);font-size:13px;font-weight:500;text-decoration:none;transition:all .3s;border-radius:6px}
nav a:hover{color:#667eea;background:rgba(102,126,234,.06)}
nav a.active{color:#667eea;font-weight:600}
.nav-cta{background:linear-gradient(135deg,#667eea,#764ba2)!important;color:#fff!important;padding:8px 22px!important;border-radius:6px!important;margin-left:auto;font-weight:600!important}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(102,126,234,.25)!important}
.header-right{display:none}

/* --- Hero --- */
.hero{min-height:90vh;display:flex;align-items:center;padding-top:80px;position:relative;overflow:hidden}
.hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}
.hero-bg .orb{position:absolute;border-radius:50%;filter:blur(120px);animation:orbFloat 25s ease-in-out infinite}
.hero-bg .orb:nth-child(1){width:500px;height:500px;background:rgba(102,126,234,.12);top:-20%;left:-10%}
.hero-bg .orb:nth-child(2){width:400px;height:400px;background:rgba(118,75,162,.08);top:20%;right:-15%;animation-delay:-8s}
.hero-bg .orb:nth-child(3){width:350px;height:350px;background:rgba(72,202,228,.06);bottom:-10%;left:30%;animation-delay:-16s}
.hero-content{flex:1.1;min-width:0}
.hero-content .badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.5);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.5);color:#667eea;font-size:11px;padding:5px 14px;border-radius:20px;margin-bottom:16px}
.hero-content .badge .dot{width:6px;height:6px;background:#50d4ab;border-radius:50%;display:inline-block}
.hero-content h1{font-size:42px;font-weight:800;color:#1a1a2e;line-height:1.2;margin:0 0 14px}
.hero-content h1 .highlight{background:linear-gradient(135deg,#667eea,#c084fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-content .sub{font-size:15px;color:rgba(26,26,46,.45);margin-bottom:28px;max-width:500px;line-height:1.8}
.hero-content .btn-group{display:flex;gap:10px;flex-wrap:wrap}
.hero-visual{flex:.9;min-width:0}
.hero-card{background:rgba(255,255,255,.3);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.5);border-radius:20px;padding:30px;transform:perspective(1000px) rotateY(-4deg);transition:all .5s}
.hero-card:hover{transform:perspective(1000px) rotateY(-2deg) translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,.06)}
.hero-card .stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.hero-card .stat-item{text-align:center;padding:14px 8px;background:rgba(255,255,255,.3);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:12px;border:1px solid rgba(255,255,255,.3)}
.hero-card .stat-item .num{font-size:28px;font-weight:800;background:linear-gradient(135deg,#667eea,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-card .stat-item .label{color:rgba(26,26,46,.4);font-size:11px;margin-top:3px}

/* --- 产品卡片 --- */
.section-products{padding:80px 0}
.product-card{background:rgba(255,255,255,.3);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.4);border-radius:16px;padding:28px;transition:all .4s;position:relative;overflow:hidden}
.product-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,#667eea,#a78bfa,transparent);opacity:0;transition:opacity .4s}
.product-card:hover::before{opacity:1}
.product-card:hover{transform:translateY(-6px);box-shadow:0 16px 50px rgba(0,0,0,.07);background:rgba(255,255,255,.45)}
.product-card .icon-wrap{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px}
.product-card h3{color:#1a1a2e;font-size:16px;margin:0 0 8px}
.product-card p{color:rgba(26,26,46,.45);font-size:13px;line-height:1.6;margin:0 0 14px}
.product-card .tags{display:flex;flex-wrap:wrap;gap:6px}
.product-card .tags span{display:inline-block;background:rgba(102,126,234,.08);border:1px solid rgba(102,126,234,.12);color:#667eea;font-size:10px;padding:3px 8px;border-radius:4px}

/* --- 基础设施 --- */
.infra-showcase{display:flex;align-items:center;gap:50px}
.infra-showcase .text{flex:1}
.infra-showcase .text h2{color:#1a1a2e;font-size:26px;font-weight:700;margin:0 0 14px}
.infra-showcase .text p{color:rgba(26,26,46,.45);font-size:14px;line-height:1.8;margin:0 0 20px}
.infra-showcase .text ul li{color:rgba(26,26,46,.55);font-size:14px;padding:7px 0;display:flex;align-items:center;gap:8px}
.infra-showcase .text ul li::before{content:'\2713';color:#50d4ab;font-weight:700}
.infra-showcase .visual{flex:1;display:flex;justify-content:center}
.infra-globe{position:relative;aspect-ratio:1;max-width:300px;width:100%}
.infra-globe .circle{position:absolute;width:100%;height:100%;border-radius:50%;border:1px solid rgba(102,126,234,.12);animation:spin 30s linear infinite}
.infra-globe .circle:nth-child(2){width:75%;height:75%;top:12.5%;left:12.5%;border-color:rgba(102,126,234,.08);animation-duration:25s;animation-direction:reverse}
.infra-globe .circle:nth-child(3){width:50%;height:50%;top:25%;left:25%;border-color:rgba(102,126,234,.06);animation-duration:20s}
.infra-globe .center-dot{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:14px;height:14px;background:#667eea;border-radius:50%;box-shadow:0 0 30px rgba(102,126,234,.5)}

/* --- 好的体验 --- */
.features-section{background:rgba(255,255,255,.15)}
.features-wrapper{display:flex;gap:50px;align-items:flex-start}
.features-left{flex:1}
.features-left .feat-img{width:100%;border-radius:16px;overflow:hidden;background:rgba(255,255,255,.3);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.4);aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;font-size:48px}
.features-right{flex:1}
.features-right .feat-item{padding:18px 0;border-bottom:1px solid rgba(0,0,0,.04);cursor:pointer;transition:all .3s}
.features-right .feat-item:last-child{border-bottom:none}
.features-right .feat-item .feat-tag{font-size:11px;color:#667eea;font-weight:600;margin-bottom:4px}
.features-right .feat-item h4{font-size:16px;font-weight:600;color:#1a1a2e;margin:0 0 6px}
.features-right .feat-item p{font-size:13px;color:rgba(26,26,46,.5);line-height:1.7;margin:0}
.features-right .feat-item .highlight{color:#667eea;font-weight:600}

/* --- 解决方案 --- */
.section-solutions{background:rgba(255,255,255,.15)}
.solution-card{text-align:center;padding:30px 20px;background:rgba(255,255,255,.25);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.35);border-radius:14px;transition:all .4s}
.solution-card:hover{background:rgba(255,255,255,.4);transform:translateY(-5px);box-shadow:0 12px 35px rgba(0,0,0,.05)}
.solution-card .icon{width:56px;height:56px;margin:0 auto 14px;background:rgba(102,126,234,.08);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(102,126,234,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px}
.solution-card h4{color:#1a1a2e;font-size:15px;margin:0 0 6px}
.solution-card p{color:rgba(26,26,46,.4);font-size:12px;margin:0}

/* --- 高防云 --- */
.section-ddos{background:rgba(255,255,255,.08)}
.ddos-wrapper{display:flex;gap:50px;align-items:center}
.ddos-wrapper .visual{flex:1;display:flex;justify-content:center}
.ddos-wrapper .text{flex:1}
.ddos-wrapper .text h2{color:#1a1a2e;font-size:26px;font-weight:700;margin:0 0 14px}
.ddos-wrapper .text p{color:rgba(26,26,46,.45);font-size:14px;line-height:1.8;margin:0 0 20px}
.ddos-wrapper .text .stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.ddos-wrapper .text .stat-row .s-item{text-align:center;background:rgba(255,255,255,.3);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3);border-radius:12px;padding:16px 10px}
.ddos-wrapper .text .stat-row .s-item .num{font-size:22px;font-weight:800;color:#1a1a2e}
.ddos-wrapper .text .stat-row .s-item .lbl{color:rgba(26,26,46,.4);font-size:11px;margin-top:3px}
.shield-visual{position:relative;width:200px;height:200px;margin:0 auto}
.shield-visual .shield-bg{position:absolute;width:100%;height:100%;border-radius:50%;background:radial-gradient(circle at center,rgba(102,126,234,.08),transparent 70%);animation:shieldPulse 3s ease-in-out infinite}
.shield-visual .shield-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:60px}
.shield-visual .ring{position:absolute;width:100%;height:100%;border-radius:50%;border:1px solid rgba(102,126,234,.08);animation:shieldSpin 12s linear infinite}
.shield-visual .ring:nth-child(2){width:85%;height:85%;top:7.5%;left:7.5%;animation-duration:9s;animation-direction:reverse;border-color:rgba(80,212,171,.06)}

/* --- 信任数字 --- */
.trust-section{background:rgba(255,255,255,.2);border-top:1px solid rgba(255,255,255,.3);border-bottom:1px solid rgba(255,255,255,.3);padding:50px 0}
.trust-item{text-align:center}
.trust-item .num{font-size:34px;font-weight:800;background:linear-gradient(135deg,#667eea,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.trust-item .label{color:rgba(26,26,46,.5);font-size:13px;margin-top:3px}

/* --- 合规认证 --- */
.section-compliance{text-align:center}
.compliance-grid .item{padding:20px 12px;display:inline-block;width:16.66%;vertical-align:top}
.compliance-grid .item .icon{font-size:28px;margin-bottom:6px}
.compliance-grid .item .name{color:#1a1a2e;font-size:13px;font-weight:600}
.compliance-grid .item .desc{color:rgba(26,26,46,.38);font-size:11px;margin-top:2px}

/* --- 定价方案 --- */
.section-pricing{background:rgba(255,255,255,.15)}
.pricing-card{background:rgba(255,255,255,.25);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.35);border-radius:18px;padding:32px 24px;text-align:center;transition:all .4s;position:relative}
.pricing-card:hover{background:rgba(255,255,255,.4);transform:translateY(-5px);box-shadow:0 16px 50px rgba(0,0,0,.06)}
.pricing-card.featured{background:rgba(255,255,255,.5);border-color:rgba(102,126,234,.2);transform:scale(1.03)}
.pricing-card.featured .popular{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:3px 18px;border-radius:20px;font-size:11px;white-space:nowrap}
.pricing-card h3{color:#1a1a2e;font-size:18px;margin:0 0 4px}
.pricing-card .desc{color:rgba(26,26,46,.4);font-size:13px;margin-bottom:16px}
.pricing-card .price{color:#1a1a2e;font-size:36px;font-weight:800;margin:0 0 3px}
.pricing-card .price span{font-size:14px;font-weight:400;color:rgba(26,26,46,.35)}
.pricing-card .period{color:rgba(26,26,46,.3);font-size:12px;margin-bottom:24px}
.pricing-card ul{text-align:left;padding:0;margin:0 0 24px}
.pricing-card ul li{color:rgba(26,26,46,.5);font-size:13px;padding:8px 0;border-bottom:1px solid rgba(0,0,0,.03)}
.pricing-card ul li::before{content:'\2713 ';color:#667eea}

/* --- 客户案例 --- */
.section-cases{padding:60px 0}
.case-card .quote{color:rgba(26,26,46,.5);font-size:13px;line-height:1.7;margin-bottom:14px;font-style:italic}
.case-card .author{display:flex;align-items:center;gap:10px}
.case-card .author .avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}
.case-card .author .name{color:#1a1a2e;font-size:13px;font-weight:600}
.case-card .author .role{color:rgba(26,26,46,.32);font-size:11px}

/* --- 新闻动态 --- */
.section-news{background:rgba(255,255,255,.15)}
.news-card{background:rgba(255,255,255,.25);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.3);border-radius:14px;overflow:hidden;transition:all .4s}
.news-card:hover{transform:translateY(-4px);box-shadow:0 12px 35px rgba(0,0,0,.05);background:rgba(255,255,255,.4)}
.news-card .news-img{height:140px;background:linear-gradient(135deg,rgba(102,126,234,.04),rgba(118,75,162,.04));display:flex;align-items:center;justify-content:center;font-size:28px}
.news-card .news-body{padding:16px 18px}
.news-card .news-body .tag{display:inline-block;background:rgba(102,126,234,.08);border:1px solid rgba(102,126,234,.1);color:#667eea;font-size:10px;padding:2px 8px;border-radius:4px;margin-bottom:8px}
.news-card .news-body h4{color:#1a1a2e;font-size:13px;font-weight:600;margin:0 0 6px;line-height:1.4}
.news-card .news-body p{color:rgba(26,26,46,.4);font-size:12px;line-height:1.6;margin:0}
.news-card .news-body .date{color:rgba(26,26,46,.28);font-size:11px;margin-top:10px}

/* --- CTA --- */
.cta-box{background:linear-gradient(135deg,rgba(102,126,234,.08),rgba(118,75,162,.08));backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.4);border-radius:24px;padding:60px;text-align:center}
.cta-box h2{color:#1a1a2e;font-size:28px;margin:0 0 10px}
.cta-box p{color:rgba(26,26,46,.45);font-size:14px;margin:0 0 24px}
.cta-box .btn-white{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:14px 40px;border-radius:8px;font-size:14px;font-weight:600;display:inline-block;box-shadow:0 4px 15px rgba(102,126,234,.3);transition:all .3s;text-decoration:none}
.cta-box .btn-white:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(102,126,234,.4)}

/* --- Footer --- */
footer{padding:60px 0 20px;background:#1a1a2e;color:rgba(255,255,255,.6)}
footer .container{max-width:1200px;margin:0 auto;padding:0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 2fr;gap:30px;margin-bottom:40px}
.footer-grid h4{color:#fff;font-size:14px;margin-bottom:16px;font-weight:600}
.footer-grid a{display:block;color:rgba(255,255,255,.5);font-size:13px;margin-bottom:10px;text-decoration:none;transition:all .3s}
.footer-grid a:hover{color:#667eea;padding-left:3px}
.footer-grid .logo p{color:rgba(255,255,255,.5);font-size:13px;line-height:1.7;margin-top:12px}
.footer-contact{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fc-item{padding:10px 12px;background:rgba(255,255,255,.04);border-radius:8px}
.fc-item .fc-icon{font-size:16px;margin-bottom:2px}
.fc-item .fc-label{color:rgba(255,255,255,.35);font-size:11px;margin-bottom:2px}
.fc-item .fc-value{color:#fff;font-size:13px;font-weight:500}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:20px;display:flex;flex-direction:column;gap:6px;font-size:11px;color:rgba(255,255,255,.35)}
.footer-bottom span{line-height:1.6}

/* --- 浮动侧边栏（右下角固定） --- */
.float-sidebar{position:fixed;bottom:80px;right:16px;z-index:999;display:flex;flex-direction:column;gap:10px}
.float-item{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.8);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;font-size:11px;color:rgba(26,26,46,.6);cursor:pointer;transition:all .3s;text-decoration:none;line-height:1.2;text-align:center}
.float-item:hover{background:rgba(255,255,255,.95);transform:scale(1.08);box-shadow:0 4px 20px rgba(0,0,0,.08);color:#667eea}

/* ===== 响应式：768px ===== */