*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;line-height:1.7;color:#2d3436;background:#fff;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:all .3s}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{border:none;background:none;cursor:pointer;font-family:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.title{font-size:2.2rem;font-weight:700;color:#1e272e;margin-bottom:15px;position:relative;display:inline-block}
.title::after{content:'';position:absolute;left:50%;bottom:-8px;transform:translateX(-50%);width:50px;height:3px;background:linear-gradient(90deg,#00b894,#00cec9);border-radius:3px}
.section-head{text-align:center;margin-bottom:55px}
.subtitle{font-size:1.05rem;color:#636e72;max-width:680px;margin:18px auto 0}
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.97);backdrop-filter:blur(10px);box-shadow:0 1px 15px rgba(0,0,0,0.06);transition:all .3s}
.header-inner{display:flex;justify-content:space-between;align-items:center;max-width:1180px;margin:0 auto;padding:14px 20px}
.brand{display:flex;align-items:baseline;gap:6px}
.brand-name{font-size:1.6rem;font-weight:800;color:#1e272e;letter-spacing:3px}
.brand-tag{font-size:0.7rem;color:#00b894;font-weight:600;background:rgba(0,184,148,0.1);padding:2px 8px;border-radius:10px}
.menu-toggle{display:none;width:28px;height:20px;position:relative;z-index:1001}
.menu-toggle span{position:absolute;left:0;width:100%;height:2px;background:#1e272e;border-radius:2px;transition:all .3s}
.menu-toggle span:nth-child(1){top:0}
.menu-toggle span:nth-child(2){top:50%;transform:translateY(-50%)}
.menu-toggle span:nth-child(3){bottom:0}
.nav{display:flex;align-items:center}
.nav-menu{display:flex;gap:32px}
.nav-item{font-size:0.92rem;color:#2d3436;font-weight:500;padding:6px 0;position:relative}
.nav-item::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:#00b894;transition:width .3s}
.nav-item:hover{color:#00b894}
.nav-item:hover::after{width:100%}
.banner{position:relative;height:100vh;min-height:580px;max-height:880px;margin-top:65px;overflow:hidden}
.banner-slider{position:relative;width:100%;height:100%}
.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity .7s ease-in-out}
.banner-slide.active{opacity:1}
.banner-img{width:100%;height:100%;object-fit:cover}
.banner-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(30,39,46,0.88) 0%,rgba(30,39,46,0.5) 60%,rgba(30,39,46,0.3) 100%);display:flex;align-items:center;padding:0 8%}
.banner-text{max-width:580px;color:#fff}
.banner-text h1,.banner-text h2{font-size:2.8rem;font-weight:800;margin-bottom:22px;line-height:1.25}
.banner-text p{font-size:1.08rem;line-height:1.9;margin-bottom:28px;opacity:0.92}
.banner-btn{display:inline-block;padding:14px 38px;background:linear-gradient(135deg,#00b894,#00cec9);color:#fff;font-size:0.95rem;font-weight:600;border-radius:30px;box-shadow:0 8px 25px rgba(0,184,148,0.35);transition:all .3s}
.banner-btn:hover{transform:translateY(-3px);box-shadow:0 12px 35px rgba(0,184,148,0.45)}
.banner-indicators{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:10}
.indicator{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.35);border:2px solid rgba(255,255,255,0.5);transition:all .3s}
.indicator.active{background:#00b894;border-color:#00b894;transform:scale(1.3)}
.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;background:rgba(255,255,255,0.15);border-radius:50%;color:#fff;font-size:1.8rem;display:flex;align-items:center;justify-content:center;transition:all .3s;z-index:10}
.banner-arrow:hover{background:rgba(0,184,148,0.8)}
.banner-prev{left:25px}
.banner-next{right:25px}
.overview{padding:90px 0;background:#f8f9fa}
.overview-wrapper{display:grid;grid-template-columns:1fr 1.1fr;gap:55px;align-items:center}
.overview-media img{border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,0.08)}
.overview-content .title{margin-bottom:22px}
.overview-content p{color:#636e72;font-size:1.02rem;margin-bottom:18px}
.overview-stats{display:flex;gap:35px;margin-top:30px;padding-top:25px;border-top:1px solid #e0e0e0}
.stat-item{text-align:center}
.stat-num{display:block;font-size:1.8rem;font-weight:800;color:#00b894}
.stat-label{font-size:0.85rem;color:#636e72;margin-top:5px}
.series{padding:95px 0;background:#fff}
.series-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:35px}
.series-card{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 8px 35px rgba(0,0,0,0.06);transition:all .35s;display:flex;flex-direction:row}
.series-card:hover{transform:translateY(-8px);box-shadow:0 18px 50px rgba(0,0,0,0.1)}
.series-card:nth-child(5){grid-column:1/-1;max-width:600px;margin:0 auto}
.series-img{flex:0 0 220px;background:linear-gradient(145deg,#f1f2f6,#dfe6e9);display:flex;align-items:center;justify-content:center;padding:25px}
.series-img img{max-height:180px;width:auto;transition:transform .4s}
.series-card:hover .series-img img{transform:scale(1.06)}
.series-info{flex:1;padding:28px;display:flex;flex-direction:column}
.series-badge{display:inline-block;font-size:0.72rem;color:#fff;background:linear-gradient(135deg,#00b894,#00cec9);padding:4px 12px;border-radius:12px;margin-bottom:12px;align-self:flex-start}
.series-info h3{font-size:1.35rem;font-weight:700;color:#1e272e;margin-bottom:12px}
.series-info p{font-size:0.92rem;color:#636e72;line-height:1.7;margin-bottom:15px;flex:1}
.series-specs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.series-specs li{font-size:0.8rem;color:#636e72;background:#f1f2f6;padding:5px 12px;border-radius:15px}
.series-btn{display:inline-block;padding:10px 26px;background:#1e272e;color:#fff;font-size:0.88rem;font-weight:500;border-radius:6px;text-align:center;transition:all .3s;align-self:flex-start}
.series-btn:hover{background:linear-gradient(135deg,#00b894,#00cec9)}
.comparison{padding:75px 0;background:#f8f9fa}
.comparison-wrap{overflow-x:auto;border-radius:14px;box-shadow:0 8px 30px rgba(0,0,0,0.06)}
.comparison-table{width:100%;min-width:680px;border-collapse:collapse;background:#fff}
.comparison-table th,.comparison-table td{padding:16px 18px;text-align:center;border-bottom:1px solid #f1f2f6}
.comparison-table th{background:#1e272e;color:#fff;font-weight:600;font-size:0.9rem}
.comparison-table th:first-child{text-align:left;border-radius:14px 0 0 0}
.comparison-table th:last-child{border-radius:0 14px 0 0}
.comparison-table td{font-size:0.9rem;color:#2d3436}
.comparison-table td:first-child{text-align:left;font-weight:600;background:#f8f9fa}
.comparison-table tbody tr:hover{background:#f0fff4}
.comparison-table tbody tr:last-child td:first-child{border-radius:0 0 0 14px}
.comparison-table tbody tr:last-child td:last-child{border-radius:0 0 14px 0}
.advantage{padding:95px 0;background:#fff}
.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.advantage-item{background:#f8f9fa;padding:35px 28px;border-radius:16px;text-align:center;transition:all .35s}
.advantage-item:hover{background:#fff;box-shadow:0 15px 45px rgba(0,0,0,0.08);transform:translateY(-6px)}
.advantage-icon{width:75px;height:75px;margin:0 auto 22px;border-radius:50%;overflow:hidden;box-shadow:0 5px 18px rgba(0,0,0,0.1)}
.advantage-icon img{width:100%;height:100%;object-fit:cover}
.advantage-item h3{font-size:1.15rem;font-weight:700;color:#1e272e;margin-bottom:12px}
.advantage-item p{font-size:0.92rem;color:#636e72;line-height:1.7}
.security{padding:95px 0;background:linear-gradient(135deg,#1e272e 0%,#2d3436 100%);color:#fff}
.security-layout{display:grid;grid-template-columns:1.15fr 0.85fr;gap:55px;align-items:center}
.security-text .title{color:#fff}
.security-text .title::after{background:linear-gradient(90deg,#00b894,#00cec9)}
.security-text>p{color:rgba(255,255,255,0.85);font-size:1rem;margin-bottom:32px}
.security-list{display:flex;flex-direction:column;gap:22px}
.security-point{background:rgba(255,255,255,0.06);padding:22px;border-radius:10px;border-left:3px solid #00b894}
.security-point h4{font-size:1.02rem;color:#00cec9;margin-bottom:8px}
.security-point p{font-size:0.9rem;color:rgba(255,255,255,0.78)}
.security-visual img{border-radius:14px;box-shadow:0 20px 55px rgba(0,0,0,0.25)}
.gallery{padding:90px 0;background:#f8f9fa}
.gallery-masonry{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gallery-col{display:flex;flex-direction:column;gap:18px}
.gallery-item{border-radius:12px;overflow:hidden;cursor:pointer}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery-item:hover img{transform:scale(1.08)}
.tutorial{padding:95px 0;background:#fff}
.tutorial-timeline{max-width:750px;margin:0 auto;position:relative;padding-left:45px}
.tutorial-timeline::before{content:'';position:absolute;left:15px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,#00b894,#00cec9)}
.timeline-item{position:relative;margin-bottom:32px;padding:25px 28px;background:#f8f9fa;border-radius:12px;transition:all .3s}
.timeline-item:hover{background:#fff;box-shadow:0 10px 30px rgba(0,0,0,0.06);transform:translateX(8px)}
.timeline-item:last-child{margin-bottom:0}
.timeline-marker{position:absolute;left:-45px;top:25px;width:32px;height:32px;background:linear-gradient(135deg,#00b894,#00cec9);border-radius:50%;color:#fff;font-size:0.85rem;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,184,148,0.4)}
.timeline-content h4{font-size:1.1rem;color:#1e272e;margin-bottom:10px}
.timeline-content p{font-size:0.92rem;color:#636e72}
.app{padding:95px 0;background:#f8f9fa}
.app-showcase{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.app-visual img{border-radius:14px;box-shadow:0 18px 45px rgba(0,0,0,0.1)}
.app-details h3{font-size:1.5rem;color:#1e272e;margin-bottom:25px}
.app-features{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:30px}
.app-feature{background:#fff;padding:18px;border-radius:10px;box-shadow:0 3px 12px rgba(0,0,0,0.04)}
.app-feature h5{font-size:0.95rem;color:#1e272e;margin-bottom:8px}
.app-feature p{font-size:0.85rem;color:#636e72;line-height:1.6}
.app-download{background:linear-gradient(135deg,#1e272e,#2d3436);padding:28px;border-radius:12px;color:#fff}
.app-download h4{font-size:1.15rem;margin-bottom:12px}
.app-download p{font-size:0.9rem;opacity:0.85;margin-bottom:18px}
.app-btn{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#00b894,#00cec9);color:#fff;font-size:0.92rem;font-weight:600;border-radius:6px;transition:all .3s}
.app-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,184,148,0.4)}
.questions{padding:95px 0;background:#fff}
.questions-list{max-width:850px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.question-item{background:#f8f9fa;border-radius:10px;overflow:hidden;transition:all .3s}
.question-item[open]{background:#fff;box-shadow:0 8px 28px rgba(0,0,0,0.06)}
.question-title{padding:18px 22px;font-size:1rem;font-weight:600;color:#1e272e;cursor:pointer;display:flex;justify-content:space-between;align-items:center;list-style:none}
.question-title::-webkit-details-marker{display:none}
.question-title::after{content:'+';font-size:1.4rem;color:#00b894;transition:transform .3s}
.question-item[open] .question-title::after{transform:rotate(45deg)}
.question-answer{padding:0 22px 18px;font-size:0.92rem;color:#636e72;line-height:1.8}
.questions-contact{text-align:center;margin-top:45px}
.questions-contact p{color:#636e72;margin-bottom:18px}
.contact-btn{display:inline-block;padding:13px 38px;background:#1e272e;color:#fff;font-size:0.95rem;font-weight:500;border-radius:6px;transition:all .3s}
.contact-btn:hover{background:linear-gradient(135deg,#00b894,#00cec9)}
.news{padding:90px 0;background:#f8f9fa}
.news-row{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-item{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 5px 18px rgba(0,0,0,0.04);transition:all .35s}
.news-item:hover{transform:translateY(-6px);box-shadow:0 15px 40px rgba(0,0,0,0.08)}
.news-thumb{height:170px;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-item:hover .news-thumb img{transform:scale(1.08)}
.news-body{padding:22px}
.news-body h4{font-size:1.05rem;font-weight:600;color:#1e272e;margin-bottom:10px;line-height:1.4}
.news-body p{font-size:0.88rem;color:#636e72;line-height:1.7}
.action{padding:90px 0;background:linear-gradient(135deg,#00b894 0%,#00cec9 100%)}
.action-box{text-align:center;max-width:650px;margin:0 auto}
.action-box h2{font-size:2.2rem;font-weight:800;color:#fff;margin-bottom:18px}
.action-box p{font-size:1.08rem;color:rgba(255,255,255,0.92);margin-bottom:30px}
.action-btn{display:inline-block;padding:16px 48px;background:#fff;color:#00b894;font-size:1.05rem;font-weight:700;border-radius:30px;box-shadow:0 10px 30px rgba(0,0,0,0.15);transition:all .3s}
.action-btn:hover{transform:translateY(-4px);box-shadow:0 15px 40px rgba(0,0,0,0.2)}
.footer{background:#1e272e;color:#fff;padding:70px 0 25px}
.footer-main{display:grid;grid-template-columns:1.2fr 2fr;gap:50px;margin-bottom:40px}
.footer-logo{font-size:1.7rem;font-weight:800;letter-spacing:3px;margin-bottom:18px}
.footer-brand p{font-size:0.88rem;color:rgba(255,255,255,0.65);line-height:1.8}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}
.footer-col h5{font-size:1rem;font-weight:600;margin-bottom:18px;color:#00cec9}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:0.88rem;color:rgba(255,255,255,0.65);transition:color .3s}
.footer-col a:hover{color:#00b894}
.footer-col p{font-size:0.88rem;color:rgba(255,255,255,0.65);margin-bottom:15px;line-height:1.7}
.footer-btn{display:inline-block;padding:9px 22px;background:#00b894;color:#fff;font-size:0.85rem;font-weight:500;border-radius:5px;transition:all .3s}
.footer-btn:hover{background:#00cec9}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:22px;text-align:center}
.footer-bottom p{font-size:0.82rem;color:rgba(255,255,255,0.45)}
.float-btn{position:fixed;bottom:28px;right:28px;display:flex;align-items:center;gap:8px;padding:14px 24px;background:linear-gradient(135deg,#00b894,#00cec9);color:#fff;border-radius:30px;box-shadow:0 6px 22px rgba(0,184,148,0.4);z-index:999;transition:all .3s}
.float-btn:hover{transform:translateY(-4px);box-shadow:0 10px 32px rgba(0,184,148,0.5)}
.float-icon{font-size:1.2rem}
.float-label{font-size:0.9rem;font-weight:500}
.mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;padding:10px 15px;box-shadow:0 -4px 18px rgba(0,0,0,0.08);z-index:999}
.mobile-bar-btn{display:flex;align-items:center;justify-content:center;gap:10px;padding:13px;background:linear-gradient(135deg,#00b894,#00cec9);color:#fff;border-radius:8px;font-size:0.95rem;font-weight:600}
@media screen and (max-width:1024px){
.title{font-size:1.9rem}
.banner{height:75vh;min-height:480px}
.banner-text h1,.banner-text h2{font-size:2.3rem}
.overview-wrapper{grid-template-columns:1fr;gap:35px}
.overview-media{order:-1}
.series-grid{grid-template-columns:1fr}
.series-card{flex-direction:column}
.series-card:nth-child(5){max-width:100%}
.series-img{flex:none;min-height:220px}
.advantage-grid{grid-template-columns:repeat(2,1fr)}
.security-layout{grid-template-columns:1fr;gap:40px}
.security-visual{order:-1}
.gallery-masonry{grid-template-columns:repeat(2,1fr)}
.app-showcase{grid-template-columns:1fr;gap:35px}
.app-visual{order:-1}
.news-row{grid-template-columns:repeat(2,1fr)}
.footer-main{grid-template-columns:1fr}
.footer-links{grid-template-columns:repeat(3,1fr)}
}
@media screen and (max-width:768px){
html{font-size:15px}
.header-inner{padding:12px 15px}
.brand-name{font-size:1.4rem}
.menu-toggle{display:block}
.nav{position:fixed;top:0;right:-100%;width:75%;max-width:280px;height:100vh;background:#fff;flex-direction:column;padding:75px 25px 25px;box-shadow:-8px 0 25px rgba(0,0,0,0.08);transition:right .3s}
.nav.active{right:0}
.nav-menu{flex-direction:column;gap:0;width:100%}
.nav-item{display:block;padding:14px 0;border-bottom:1px solid #f1f2f6;font-size:0.98rem}
.menu-toggle.active span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg)}
.banner{height:auto;min-height:auto;margin-top:58px}
.banner-slide:not(.active){display:none}
.banner-slide{position:relative}
.banner-img{height:48vh;min-height:280px}
.banner-mask{align-items:flex-end;padding:0 5% 55px}
.banner-text{max-width:100%}
.banner-text h1,.banner-text h2{font-size:1.65rem}
.banner-text p{font-size:0.92rem}
.banner-btn{padding:12px 28px;font-size:0.88rem}
.banner-arrow{width:38px;height:38px;font-size:1.4rem}
.banner-prev{left:12px}
.banner-next{right:12px}
.title{font-size:1.5rem}
.subtitle{font-size:0.95rem}
.section-head{margin-bottom:38px}
.overview{padding:55px 0}
.overview-stats{flex-wrap:wrap;gap:20px}
.stat-item{flex:1;min-width:100px}
.series{padding:55px 0}
.series-img{min-height:180px;padding:20px}
.series-img img{max-height:150px}
.series-info{padding:22px}
.series-info h3{font-size:1.2rem}
.series-specs li{font-size:0.75rem;padding:4px 10px}
.comparison{padding:55px 0}
.comparison-table th,.comparison-table td{padding:12px 10px;font-size:0.82rem}
.advantage{padding:55px 0}
.advantage-grid{grid-template-columns:1fr;gap:18px}
.advantage-item{padding:28px 22px}
.advantage-icon{width:65px;height:65px}
.security{padding:55px 0}
.security-point{padding:18px}
.gallery{padding:55px 0}
.gallery-masonry{grid-template-columns:1fr 1fr;gap:12px}
.gallery-col{gap:12px}
.tutorial{padding:55px 0}
.tutorial-timeline{padding-left:38px}
.tutorial-timeline::before{left:12px}
.timeline-marker{left:-38px;width:28px;height:28px;font-size:0.8rem}
.timeline-item{padding:20px 22px}
.timeline-content h4{font-size:1rem}
.app{padding:55px 0}
.app-features{grid-template-columns:1fr}
.app-details h3{font-size:1.3rem}
.questions{padding:55px 0}
.question-title{padding:16px 18px;font-size:0.95rem}
.question-answer{padding:0 18px 16px}
.news{padding:55px 0}
.news-row{grid-template-columns:1fr}
.news-thumb{height:160px}
.action{padding:55px 0}
.action-box h2{font-size:1.7rem}
.action-box p{font-size:0.98rem}
.action-btn{padding:14px 38px;font-size:0.95rem}
.footer{padding:45px 0 95px}
.footer-main{gap:35px}
.footer-links{grid-template-columns:1fr 1fr;gap:25px}
.footer-col:last-child{grid-column:1/-1}
.float-btn{display:none}
.mobile-bar{display:block}
}
@media screen and (max-width:480px){
html{font-size:14px}
.container{padding:0 12px}
.banner-img{height:42vh;min-height:260px}
.banner-text h1,.banner-text h2{font-size:1.45rem}
.banner-mask{padding-bottom:48px}
.title{font-size:1.35rem}
.overview-stats{justify-content:space-around}
.stat-num{font-size:1.5rem}
.series-img{min-height:160px}
.series-img img{max-height:130px}
.gallery-masonry{grid-template-columns:1fr}
.app-download{padding:22px}
.action-box h2{font-size:1.45rem}
.footer-links{grid-template-columns:1fr}
.footer-col{text-align:center}
.footer-col ul{align-items:center}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important}
}