*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#fff;color:#333;font-size:14px;line-height:1.8}
a{color:#333;text-decoration:none;transition:0.3s}
a:hover{color:#f0b90b}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 15px}

/* 顶部通栏 */
.top-bar{background:#1e2329;color:#848e9c;font-size:12px;padding:8px 0;border-bottom:1px solid #2b3139}
.top-bar .container{display:flex;justify-content:space-between;flex-wrap:wrap}
.top-bar a{color:#848e9c;margin:0 5px}
.top-bar a:hover{color:#f0b90b}

/* 头部 */
.header{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,0.08);position:sticky;top:0;z-index:100}
.header .container{display:flex;justify-content:space-between;align-items:center;padding:15px}
.logo{display:flex;align-items:center;gap:12px}
.logo-icon{width:48px;height:48px;background:linear-gradient(135deg,#f0b90b,#f3ba2f);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:bold;border-radius:8px}
.logo-text h1{font-size:22px;color:#1e2329;font-weight:bold;line-height:1.2}
.logo-text p{font-size:12px;color:#848e9c;margin-top:2px}
.nav{display:flex;gap:5px}
.nav a{padding:10px 18px;font-size:15px;color:#333;font-weight:500;border-radius:4px}
.nav a.active,.nav a:hover{color:#f0b90b;background:#fef6d9}
.header-contact{display:flex;align-items:center;gap:8px;color:#f0b90b;font-weight:bold}
.header-contact .phone-num{font-size:20px}
.header-contact small{display:block;font-size:11px;color:#848e9c;font-weight:normal}

/* Banner */
.banner{background:linear-gradient(135deg,#1e2329 0%,#2b3139 100%);color:#fff;padding:60px 0 70px;position:relative;overflow:hidden}
.banner:before{content:"";position:absolute;top:-50%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(240,185,11,0.15),transparent 70%);border-radius:50%}
.banner .container{display:flex;align-items:center;flex-wrap:wrap;gap:40px;position:relative;z-index:2}
.banner-text{flex:1;min-width:280px}
.banner-text h2{font-size:38px;font-weight:bold;line-height:1.3;margin-bottom:20px}
.banner-text h2 em{color:#f0b90b;font-style:normal}
.banner-text p{font-size:16px;color:#c7cbd3;margin-bottom:25px;line-height:1.8}
.banner-features{display:flex;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.banner-features div{display:flex;align-items:center;gap:6px;color:#f0b90b;font-size:14px}
.banner-features div:before{content:"✓";display:inline-block;width:20px;height:20px;background:#f0b90b;color:#1e2329;text-align:center;line-height:20px;border-radius:50%;font-weight:bold;font-size:12px}
.banner-btns{display:flex;gap:15px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 30px;border-radius:4px;font-size:15px;font-weight:bold;cursor:pointer;border:none;transition:0.3s}
.btn-primary{background:#f0b90b;color:#1e2329}
.btn-primary:hover{background:#f3ba2f;color:#1e2329;transform:translateY(-2px);box-shadow:0 6px 20px rgba(240,185,11,0.4)}
.btn-outline{background:transparent;color:#fff;border:2px solid #fff}
.btn-outline:hover{background:#fff;color:#1e2329}
.banner-img{flex:0 0 auto;width:360px;max-width:100%}
.phone-mockup{background:#fff;border-radius:30px;padding:15px;box-shadow:0 20px 60px rgba(0,0,0,0.5);position:relative}
.phone-screen{background:linear-gradient(135deg,#f0b90b,#f3ba2f);border-radius:18px;padding:30px 20px;color:#fff;text-align:center}
.phone-screen .coin-icon{font-size:60px;margin-bottom:10px}
.phone-screen h3{font-size:22px;margin-bottom:10px}
.phone-screen .price{font-size:28px;font-weight:bold;margin:10px 0}
.phone-screen .change{background:rgba(255,255,255,0.2);padding:4px 10px;border-radius:20px;display:inline-block;font-size:13px}

/* 通用标题 */
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:45px}
.section-title h2{font-size:32px;color:#1e2329;font-weight:bold;margin-bottom:12px}
.section-title h2 em{color:#f0b90b;font-style:normal}
.section-title p{color:#848e9c;font-size:15px}
.section-title .line{width:60px;height:3px;background:#f0b90b;margin:15px auto}

/* 核心服务 */
.services{background:#f7f8fa}
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:25px}
.service-card{background:#fff;padding:35px 25px;border-radius:8px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,0.05);transition:0.3s;border-top:3px solid transparent}
.service-card:hover{transform:translateY(-8px);box-shadow:0 12px 30px rgba(0,0,0,0.12);border-top-color:#f0b90b}
.service-icon{width:70px;height:70px;background:linear-gradient(135deg,#f0b90b,#f3ba2f);color:#fff;font-size:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;margin:0 auto 18px}
.service-card h3{font-size:18px;color:#1e2329;margin-bottom:12px;font-weight:bold}
.service-card p{color:#666;font-size:14px;line-height:1.8;margin-bottom:15px}
.service-card .more{color:#f0b90b;font-size:13px;font-weight:bold}

/* 下载专区 */
.download{background:linear-gradient(135deg,#1e2329 0%,#2b3139 100%);color:#fff}
.download .section-title h2{color:#fff}
.download .section-title p{color:#c7cbd3}
.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:25px}
.download-card{background:rgba(255,255,255,0.05);border:1px solid rgba(240,185,11,0.3);padding:30px 20px;text-align:center;border-radius:8px;transition:0.3s;backdrop-filter:blur(10px)}
.download-card:hover{background:rgba(240,185,11,0.1);transform:translateY(-5px)}
.download-card .os-icon{font-size:50px;margin-bottom:15px;color:#f0b90b}
.download-card h3{font-size:20px;margin-bottom:10px;color:#fff}
.download-card p{font-size:13px;color:#c7cbd3;margin-bottom:20px;min-height:42px}
.download-card .version{display:inline-block;background:rgba(240,185,11,0.2);color:#f0b90b;font-size:12px;padding:3px 10px;border-radius:10px;margin-bottom:15px}
.download-card .btn-download{display:inline-block;background:#f0b90b;color:#1e2329;padding:10px 25px;border-radius:4px;font-weight:bold;font-size:14px}
.download-card .btn-download:hover{background:#f3ba2f;color:#1e2329}

/* 购买流程 */
.process-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:30px}
.step-card{background:#fff;border:2px solid #f5f5f5;padding:30px 20px;text-align:center;border-radius:8px;position:relative;transition:0.3s}
.step-card:hover{border-color:#f0b90b;box-shadow:0 10px 25px rgba(240,185,11,0.15)}
.step-num{width:50px;height:50px;background:#f0b90b;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:bold;margin:0 auto 15px}
.step-card h3{font-size:17px;color:#1e2329;margin-bottom:10px;font-weight:bold}
.step-card p{color:#666;font-size:13px;line-height:1.7}

/* 关于我们 */
.about{background:#f7f8fa}
.about-content{display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.about-left{flex:1;min-width:280px}
.about-left h2{font-size:30px;color:#1e2329;margin-bottom:15px;font-weight:bold}
.about-left h2 em{color:#f0b90b;font-style:normal}
.about-left .subtitle{color:#f0b90b;font-size:16px;margin-bottom:20px;font-weight:500}
.about-left p{color:#555;margin-bottom:15px;font-size:15px;line-height:1.9}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:25px}
.stat-item{text-align:center;padding:15px 5px;background:#fff;border-radius:6px;box-shadow:0 2px 8px rgba(0,0,0,0.05)}
.stat-item .num{font-size:26px;color:#f0b90b;font-weight:bold;line-height:1}
.stat-item .label{font-size:12px;color:#666;margin-top:6px}
.about-right{flex:0 0 400px;max-width:100%}
.about-img-box{background:linear-gradient(135deg,#f0b90b,#f3ba2f);padding:30px;border-radius:10px;color:#fff;text-align:center}
.about-img-box .big-icon{font-size:100px;margin-bottom:15px}
.about-img-box h3{font-size:24px;margin-bottom:10px}
.about-img-box p{font-size:14px;opacity:0.95}

/* 优势 */
.advantages{background:#fff}
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:25px}
.adv-card{padding:30px 25px;background:#f7f8fa;border-radius:8px;transition:0.3s;position:relative;overflow:hidden}
.adv-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:#f0b90b;transform:scaleX(0);transform-origin:left;transition:0.4s}
.adv-card:hover:before{transform:scaleX(1)}
.adv-card:hover{background:#fff;box-shadow:0 10px 30px rgba(0,0,0,0.1)}
.adv-card .adv-num{font-size:42px;color:#f0b90b;font-weight:bold;opacity:0.3;line-height:1;margin-bottom:10px}
.adv-card h3{font-size:18px;color:#1e2329;margin-bottom:12px;font-weight:bold}
.adv-card p{color:#666;font-size:14px;line-height:1.8}

/* binance app介绍 */
.app-intro{background:#fff}
.app-intro-content{display:flex;gap:50px;align-items:center;flex-wrap:wrap;margin-bottom:50px}
.app-intro-left{flex:0 0 340px;max-width:100%;margin:0 auto}
.app-phone{background:linear-gradient(135deg,#1e2329,#2b3139);border-radius:35px;padding:12px;box-shadow:0 25px 60px rgba(240,185,11,0.25);position:relative}
.app-phone:before{content:"";position:absolute;top:15px;left:50%;transform:translateX(-50%);width:70px;height:6px;background:#000;border-radius:5px;z-index:2}
.app-phone-screen{background:#fff;border-radius:25px;padding:40px 20px 25px;overflow:hidden}
.app-status{display:flex;justify-content:space-between;color:#1e2329;font-size:11px;font-weight:bold;margin-bottom:15px}
.app-logo-top{text-align:center;margin-bottom:20px}
.app-logo-top .diamond{font-size:42px;color:#f0b90b}
.app-logo-top h4{font-size:16px;color:#1e2329;margin-top:5px}
.app-balance{background:linear-gradient(135deg,#f0b90b,#f3ba2f);color:#fff;padding:18px 15px;border-radius:12px;text-align:center;margin-bottom:15px}
.app-balance .label{font-size:11px;opacity:0.9}
.app-balance .amount{font-size:22px;font-weight:bold;margin-top:3px}
.app-balance .sub{font-size:11px;opacity:0.9;margin-top:2px}
.app-menu{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:15px}
.app-menu-item{text-align:center;padding:8px 0}
.app-menu-item .ico{width:36px;height:36px;background:#fef6d9;color:#f0b90b;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;margin:0 auto 5px}
.app-menu-item span{font-size:10px;color:#555}
.app-coin-list{border-top:1px solid #f0f0f0;padding-top:10px}
.app-coin{display:flex;justify-content:space-between;align-items:center;padding:6px 0}
.app-coin-left{display:flex;align-items:center;gap:8px}
.app-coin-left .c-ico{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:bold}
.app-coin-left .c-btc{background:#f7931a}
.app-coin-left .c-eth{background:#627eea}
.app-coin-left .c-bnb{background:#f0b90b}
.app-coin-left strong{font-size:12px;color:#1e2329;display:block}
.app-coin-left small{font-size:10px;color:#999}
.app-coin-right{text-align:right}
.app-coin-right .p{font-size:12px;color:#1e2329;font-weight:bold}
.app-coin-right .c-up{color:#0ecb81;font-size:10px}
.app-coin-right .c-down{color:#f6465d;font-size:10px}

.app-intro-right{flex:1;min-width:280px}
.app-intro-right h2{font-size:30px;color:#1e2329;margin-bottom:15px;font-weight:bold}
.app-intro-right h2 em{color:#f0b90b;font-style:normal}
.app-intro-right .intro-subtitle{color:#f0b90b;font-size:15px;margin-bottom:20px;font-weight:500}
.app-intro-right p{color:#555;margin-bottom:15px;font-size:15px;line-height:1.9}
.app-feature-list{margin-top:20px}
.app-feature-list li{list-style:none;padding:10px 0;display:flex;align-items:flex-start;gap:12px;border-bottom:1px dashed #eee}
.app-feature-list li:last-child{border-bottom:none}
.app-feature-list .f-ico{width:36px;height:36px;background:linear-gradient(135deg,#f0b90b,#f3ba2f);color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.app-feature-list .f-text strong{color:#1e2329;font-size:15px;display:block;margin-bottom:3px}
.app-feature-list .f-text span{color:#666;font-size:13px}

.app-param{background:#f7f8fa;padding:25px;border-radius:10px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px;margin-top:30px}
.app-param-item{text-align:center;padding:10px}
.app-param-item .p-num{font-size:24px;color:#f0b90b;font-weight:bold;margin-bottom:5px}
.app-param-item .p-label{font-size:13px;color:#555}

/* 购买图文教程 */
.tutorial{background:#f7f8fa}
.tutorial-item{background:#fff;border-radius:12px;overflow:hidden;margin-bottom:25px;box-shadow:0 4px 15px rgba(0,0,0,0.06);display:flex;flex-wrap:wrap;align-items:center;transition:0.3s}
.tutorial-item:hover{box-shadow:0 10px 30px rgba(0,0,0,0.1);transform:translateY(-3px)}
.tutorial-item:nth-child(even){flex-direction:row-reverse}
.tutorial-screenshot{flex:0 0 45%;max-width:100%;padding:40px 30px;background:linear-gradient(135deg,#1e2329,#2b3139);position:relative;min-height:360px;display:flex;align-items:center;justify-content:center}
.tutorial-screenshot:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at center,rgba(240,185,11,0.15),transparent 60%)}
.mini-phone{background:#1e2329;padding:8px;border-radius:25px;width:220px;max-width:100%;position:relative;z-index:2;box-shadow:0 15px 40px rgba(0,0,0,0.5)}
.mini-phone .mini-screen{background:#fff;border-radius:18px;padding:25px 15px 18px;min-height:320px}

/* 步骤1 截图 */
.mp-step-head{text-align:center;margin-bottom:15px}
.mp-step-head .logo-y{font-size:36px;color:#f0b90b}
.mp-step-head h5{color:#1e2329;font-size:14px;margin-top:4px}
.mp-download-box{background:linear-gradient(135deg,#f0b90b,#f3ba2f);padding:14px;border-radius:10px;text-align:center;color:#fff;margin-bottom:10px}
.mp-download-box .ic{font-size:26px;margin-bottom:5px}
.mp-download-box p{font-size:11px;margin:2px 0}
.mp-download-box .dl-btn{background:#fff;color:#f0b90b;padding:5px 12px;border-radius:15px;font-size:10px;font-weight:bold;display:inline-block;margin-top:5px}
.mp-tips{font-size:10px;color:#999;text-align:center;line-height:1.6;padding:8px;background:#fff8e1;border-radius:6px}

/* 步骤2 截图 - 注册 */
.mp-form-item{background:#f7f8fa;border-radius:8px;padding:8px 10px;margin-bottom:8px}
.mp-form-item .label{font-size:9px;color:#999}
.mp-form-item .val{font-size:11px;color:#1e2329;font-weight:bold;margin-top:2px}
.mp-btn-yellow{background:#f0b90b;color:#1e2329;padding:8px 0;border-radius:6px;text-align:center;font-size:11px;font-weight:bold;margin-top:10px}

/* 步骤3 截图 - 实名认证 */
.mp-id-card{background:linear-gradient(135deg,#f0b90b,#f3ba2f);border-radius:10px;padding:15px;color:#fff;margin-bottom:10px;text-align:center}
.mp-id-card .id-ic{font-size:32px;margin-bottom:5px}
.mp-id-card p{font-size:10px;margin:2px 0}
.mp-steps-mini{font-size:10px;color:#666}
.mp-steps-mini div{display:flex;align-items:center;gap:6px;padding:4px 0}
.mp-steps-mini div:before{content:"✓";width:14px;height:14px;background:#0ecb81;color:#fff;border-radius:50%;text-align:center;line-height:14px;font-size:9px;flex-shrink:0}

/* 步骤4 截图 - C2C购买 */
.mp-c2c-tabs{display:flex;background:#f7f8fa;border-radius:6px;padding:3px;margin-bottom:10px}
.mp-c2c-tabs span{flex:1;text-align:center;padding:4px;font-size:10px;color:#999}
.mp-c2c-tabs span.active{background:#f0b90b;color:#fff;border-radius:4px;font-weight:bold}
.mp-c2c-input{background:#f7f8fa;padding:8px;border-radius:6px;margin-bottom:8px;font-size:11px;color:#1e2329}
.mp-merchant{background:#fef6d9;padding:8px;border-radius:6px;margin-bottom:6px;display:flex;justify-content:space-between;align-items:center}
.mp-merchant .m-name{font-size:10px;color:#1e2329;font-weight:bold}
.mp-merchant .m-rate{font-size:9px;color:#0ecb81}
.mp-merchant .m-btn{background:#f0b90b;color:#fff;padding:4px 8px;border-radius:4px;font-size:9px;font-weight:bold}

/* 步骤5 截图 - 付款 */
.mp-pay-method{border:1px solid #eee;padding:8px;border-radius:6px;display:flex;align-items:center;gap:8px;margin-bottom:6px}
.mp-pay-method .pm-ic{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px}
.mp-pay-method .pm-alipay{background:#1677ff}
.mp-pay-method .pm-wx{background:#07c160}
.mp-pay-method .pm-bank{background:#f0b90b}
.mp-pay-method .pm-name{font-size:10px;color:#1e2329;font-weight:bold}

/* 步骤6 截图 - 成功 */
.mp-success{text-align:center;padding:20px 0}
.mp-success .s-ic{width:50px;height:50px;background:#0ecb81;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 10px}
.mp-success h5{color:#1e2329;font-size:13px;margin-bottom:5px}
.mp-success p{font-size:10px;color:#999;margin-bottom:10px}
.mp-success .amount-got{background:linear-gradient(135deg,#f0b90b,#f3ba2f);color:#fff;padding:10px;border-radius:8px;font-weight:bold;font-size:13px}

.tutorial-text{flex:1;min-width:280px;padding:35px 40px}
.tutorial-text .step-badge{display:inline-block;background:linear-gradient(135deg,#f0b90b,#f3ba2f);color:#fff;padding:5px 15px;border-radius:20px;font-size:13px;font-weight:bold;margin-bottom:15px}
.tutorial-text h3{font-size:22px;color:#1e2329;margin-bottom:15px;font-weight:bold}
.tutorial-text p{color:#555;font-size:14px;line-height:1.9;margin-bottom:12px}
.tutorial-text .tips{background:#fef6d9;border-left:3px solid #f0b90b;padding:10px 15px;border-radius:4px;margin-top:15px;font-size:13px;color:#a67a00}
.tutorial-text .tips strong{color:#1e2329}
.tutorial-text ul{margin:10px 0;padding-left:20px}
.tutorial-text ul li{color:#555;font-size:13px;padding:3px 0}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#f7f8fa;margin-bottom:15px;border-radius:6px;overflow:hidden;transition:0.3s}
.faq-item:hover{box-shadow:0 4px 15px rgba(0,0,0,0.08)}
.faq-q{padding:18px 25px;font-size:16px;color:#1e2329;font-weight:bold;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q:before{content:"Q";display:inline-block;width:26px;height:26px;background:#f0b90b;color:#fff;text-align:center;line-height:26px;border-radius:50%;margin-right:12px;font-size:14px;flex-shrink:0}
.faq-q .arrow{color:#f0b90b;font-size:20px;transition:0.3s}
.faq-item.active .faq-q .arrow{transform:rotate(180deg)}
.faq-a{padding:0 25px 20px 63px;color:#555;font-size:14px;line-height:1.9;display:none}
.faq-item.active .faq-a{display:block}

/* 联系 */
.contact-cta{background:linear-gradient(135deg,#f0b90b,#f3ba2f);padding:50px 0;text-align:center;color:#1e2329}
.contact-cta h2{font-size:30px;font-weight:bold;margin-bottom:15px}
.contact-cta p{font-size:16px;margin-bottom:25px}
.contact-cta .btns{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}
.contact-cta .btn-dark{background:#1e2329;color:#f0b90b;padding:14px 35px;border-radius:4px;font-weight:bold;display:inline-block}
.contact-cta .btn-dark:hover{background:#000;color:#f0b90b}

/* 底部 */
.footer{background:#1e2329;color:#848e9c;padding:50px 0 0;font-size:13px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:35px;border-bottom:1px solid #2b3139}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:bold;position:relative;padding-bottom:10px}
.footer-col h4:after{content:"";position:absolute;bottom:0;left:0;width:30px;height:2px;background:#f0b90b}
.footer-col p{margin-bottom:10px;line-height:1.8}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:#848e9c}
.footer-col ul li a:hover{color:#f0b90b;padding-left:5px}
.footer-col ul li:before{content:"›";margin-right:6px;color:#f0b90b}
.qr-box{background:#fff;width:120px;padding:8px;border-radius:4px;text-align:center;color:#333}
.qr-box .qr{width:100%;height:104px;background:repeating-linear-gradient(45deg,#000,#000 3px,#fff 3px,#fff 6px);margin-bottom:5px}
.qr-box p{font-size:11px;margin:0;color:#333}
.friend-links{padding:20px 0;border-bottom:1px solid #2b3139;line-height:2.2}
.friend-links strong{color:#fff;margin-right:10px}
.friend-links a{color:#848e9c;margin-right:15px;display:inline-block;white-space:nowrap}
.friend-links a:hover{color:#f0b90b}
.copyright{padding:20px 0;text-align:center;line-height:2}
.copyright a{color:#848e9c;margin:0 8px}
.copyright a:hover{color:#f0b90b}

/* 悬浮客服 */
.side-tools{position:fixed;right:15px;bottom:80px;z-index:99;display:flex;flex-direction:column;gap:2px}
.side-tools .tool{width:50px;height:50px;background:#f0b90b;color:#1e2329;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:20px;border-radius:4px;transition:0.3s;box-shadow:0 2px 10px rgba(0,0,0,0.2)}
.side-tools .tool:hover{background:#1e2329;color:#f0b90b}

/* 响应式 */
@media(max-width:992px){
  .footer-top{grid-template-columns:1fr 1fr}
  .banner-text h2{font-size:30px}
  .nav a{padding:8px 12px;font-size:13px}
  .header-contact{display:none}
  .tutorial-screenshot{flex:0 0 100%;min-height:400px}
  .tutorial-text{padding:30px 25px}
}
@media(max-width:768px){
  .top-bar{display:none}
  .header .container{flex-wrap:wrap;padding:10px 15px}
  .logo-text h1{font-size:18px}
  .logo-icon{width:38px;height:38px;font-size:18px}
  .nav{order:3;width:100%;overflow-x:auto;justify-content:flex-start;padding-top:10px;border-top:1px solid #eee;margin-top:10px}
  .nav a{padding:6px 10px;font-size:13px;white-space:nowrap}
  .section{padding:40px 0}
  .section-title h2{font-size:24px}
  .banner{padding:40px 0}
  .banner-text h2{font-size:24px}
  .banner-text p{font-size:14px}
  .banner-img{width:260px;margin:0 auto}
  .about-stats{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr;gap:25px}
  .side-tools{bottom:15px}
  .side-tools .tool{width:42px;height:42px;font-size:16px}
  .contact-cta h2{font-size:22px}
  .tutorial-item{flex-direction:column !important}
  .app-intro-right h2{font-size:22px}
}