*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:system-ui,"Microsoft YaHei","PingFang SC","Helvetica Neue",sans-serif;font-size:16px;line-height:1.85;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased;overflow-x:hidden}

:root{
  --primary:#FFD700;
  --primary-dark:#D4B000;
  --primary-light:rgba(255,215,0,0.12);
  --primary-gradient:linear-gradient(135deg,#FFD700 0%,#FFA000 100%);
  --bg-light:#f8f9fc;
  --bg-dark:#1a1a2e;
  --text:#2d2d2d;
  --text-light:#5a5a5a;
  --text-muted:#8a8a8a;
  --border:#e8e8ed;
  --radius:12px;
  --radius-sm:8px;
  --max-width:1200px;
  --shadow:0 2px 16px rgba(0,0,0,0.07);
  --shadow-lg:0 8px 40px rgba(0,0,0,0.10);
  --bg-card:#fff;
  --star:#FFD700;
  --footer-bg:#2d2d2d;
}

a{color:var(--primary-dark);text-decoration:none;transition:color 0.2s}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.35;color:var(--text)}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}

.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:30px;margin-bottom:12px;color:var(--text)}
.section-header .section-subtitle{font-size:16px;color:var(--text-muted)}
.section-header-flex{display:flex;align-items:flex-end;justify-content:space-between;text-align:left}
.section-header-flex .section-title{font-size:28px}
.section-header-flex .section-subtitle{font-size:15px;color:var(--text-muted);margin-top:4px}
.section-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-light);white-space:nowrap;flex-shrink:0}
.section-more:hover{color:var(--primary-dark)}
.section-more i{font-size:12px}
.section-divider{background:var(--bg-light)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 32px;font-size:15px;font-weight:600;border-radius:30px;border:2px solid transparent;cursor:pointer;transition:all 0.25s;text-decoration:none}
.btn-primary{background:var(--primary-gradient);color:#fff;border-color:transparent;box-shadow:0 4px 18px rgba(255,215,0,0.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(255,215,0,0.45);color:#fff}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary-dark)}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn-outline{background:transparent;border-color:var(--border);color:var(--text-light)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-dark)}
.btn-sm{padding:8px 20px;font-size:13px;border-radius:20px}

.page-section-header{background:var(--primary-gradient);padding:56px 0;text-align:center}
.page-section-header .header-content h1{color:#fff;font-size:30px;margin-bottom:10px}
.page-section-header .header-content p{color:rgba(255,255,255,0.88);font-size:15px;max-width:720px;margin:0 auto;line-height:1.7}

.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);max-width:var(--max-width);margin:16px auto;padding:0 20px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--primary-dark)}
.breadcrumb svg{flex-shrink:0}

.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:0 1px 6px rgba(0,0,0,0.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-img{width:40px;height:40px;border-radius:var(--radius-sm)}
.logo-text{font-size:20px;font-weight:700;color:var(--text)}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{display:block;padding:8px 16px;font-size:15px;color:var(--text);border-radius:var(--radius-sm);transition:all 0.2s;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--primary-dark);background:var(--primary-light)}
.nav-link.has-dropdown::after{content:'\f107';font-family:'FontAwesome';margin-left:4px;font-size:12px}
.dropdown{position:relative}
.dropdown-menu{display:none;position:absolute;top:100%;left:0;min-width:160px;background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);padding:6px 0;z-index:100}
.dropdown:hover .dropdown-menu{display:block}
.dropdown-menu li a{display:block;padding:10px 18px;font-size:14px;color:var(--text);transition:all 0.2s}
.dropdown-menu li a:hover,.dropdown-menu li a.active{color:var(--primary-dark);background:var(--primary-light)}
.nav-download-btn{display:inline-flex;align-items:center;padding:8px 22px;font-size:14px;font-weight:600;color:#fff;background:var(--primary-gradient);border-radius:24px;margin-left:12px;transition:all 0.25s}
.nav-download-btn:hover{color:#fff;transform:translateY(-1px);box-shadow:0 4px 16px rgba(255,215,0,0.4)}

.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--text);border-radius:1px;transition:all 0.3s}

.footer{background:var(--footer-bg);color:#ccc;padding:60px 0 0;font-size:14px}
.footer a{color:#bbb}
.footer a:hover{color:#fff}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px}
.footer-col p{color:#999;line-height:1.7}
.footer-col ul li{margin-bottom:8px}
.social-links{display:flex;gap:12px}
.social-links a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.08);color:#bbb;font-size:16px;transition:all 0.2s}
.social-links a:hover{background:var(--primary);color:#fff}
.footer-bottom{padding:24px 0;text-align:center;color:#777;font-size:13px}
.footer-bottom p{line-height:1.7}

.cta{background:var(--primary-gradient);padding:64px 0;text-align:center}
.cta-inner{max-width:680px;margin:0 auto}
.cta-title{font-size:30px;color:#fff;margin-bottom:12px}
.cta-desc{font-size:15px;color:rgba(255,255,255,0.88);margin-bottom:28px;line-height:1.7}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta .btn-primary{background:#fff;color:var(--primary-dark);box-shadow:0 4px 20px rgba(0,0,0,0.15)}
.cta .btn-primary:hover{background:#fff;color:var(--primary-dark);transform:translateY(-2px)}
.cta .btn-ghost{border-color:rgba(255,255,255,0.5);color:#fff}
.cta .btn-ghost:hover{background:rgba(255,255,255,0.15);border-color:#fff;color:#fff}

.float-mask{display:none;position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,0.4);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.float-mask.show{display:block}
.mobile-download-wrapper{display:none;position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:2001}
.main-download-btn{display:flex;align-items:center;gap:8px;padding:14px 36px;font-size:15px;font-weight:600;color:#fff;background:var(--primary-gradient);border:none;border-radius:30px;box-shadow:0 4px 20px rgba(255,215,0,0.4);cursor:pointer;transition:all 0.25s}
.main-download-btn:hover{transform:translateY(-2px)}
.download-menu{display:none;position:absolute;bottom:calc(100% + 15px);left:50%;transform:translateX(-50%);background:#fff;border:2px solid var(--primary);border-radius:var(--radius-sm);padding:8px 0;min-width:200px;box-shadow:var(--shadow-lg);animation:menuUp 0.2s ease-out}
.download-menu.show{display:block}
.download-menu .menu-item{display:flex;align-items:center;gap:10px;padding:12px 20px;font-size:14px;color:var(--text);transition:background 0.15s}
.download-menu .menu-item:hover{background:var(--primary-light)}
.download-menu .menu-item i{color:var(--primary);width:18px;text-align:center}
@keyframes menuUp{from{opacity:0;transform:translateX(-50%) translateY(10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

.mobile-nav{display:none;position:fixed;top:0;right:0;width:280px;height:100vh;background:#fff;z-index:2001;padding:24px;overflow-y:auto;transform:translateX(100%);transition:transform 0.3s ease}
.mobile-nav.show{transform:translateX(0)}
.mobile-nav .nav-list{flex-direction:column;gap:0}
.mobile-nav .nav-link{padding:12px 8px;font-size:16px}
.mobile-nav .dropdown-menu{position:static;display:none;box-shadow:none;padding-left:12px}
.mobile-nav .dropdown.open .dropdown-menu{display:block}
.mobile-nav .nav-download-btn{margin:12px 0 0}
.mobile-nav-close{text-align:right;margin-bottom:20px;font-size:22px;cursor:pointer;color:var(--text)}

.info-wrap{display:flex;gap:36px;padding:36px 0 60px}
.info-main{flex:1;min-width:0}
.info-side{width:320px;flex-shrink:0}
.info-side-sticky{position:sticky;top:84px}
.info-side-widget{background:var(--bg-light);border-radius:var(--radius);padding:24px;margin-bottom:20px}
.info-side-title{font-size:18px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--primary)}
.info-hot-list{display:flex;flex-direction:column;gap:12px}
.info-hot-item a{display:flex;gap:12px;color:var(--text)}
.info-hot-thumb{position:relative;width:100px;height:66px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--border)}
.info-hot-thumb img{width:100%;height:100%;object-fit:cover}
.info-hot-num{position:absolute;top:4px;left:4px;background:var(--primary);color:#fff;font-size:11px;padding:2px 6px;border-radius:4px;font-weight:700}
.info-hot-body{flex:1;min-width:0}
.info-hot-name{font-size:14px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:4px}
.info-hot-meta{font-size:12px;color:var(--text-muted)}
.info-app-box{text-align:center}
.info-app-name{font-size:18px;margin-bottom:8px}
.info-app-desc{font-size:13px;color:var(--text-muted);margin-bottom:16px}
.info-app-btn{display:inline-block;padding:10px 28px;font-size:14px;font-weight:600;color:#fff;background:var(--primary-gradient);border-radius:24px;transition:all 0.25s}
.info-app-btn:hover{color:#fff;transform:translateY(-1px)}

.info-card-list{display:flex;flex-direction:column;gap:20px}
.info-card-item{display:flex;gap:20px;background:var(--bg-card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:box-shadow 0.25s}
.info-card-item:hover{box-shadow:var(--shadow-lg)}
.info-card-thumb{width:200px;height:130px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--border)}
.info-card-thumb img{width:100%;height:100%;object-fit:cover}
.info-card-body{flex:1;min-width:0;display:flex;flex-direction:column}
.info-card-title{font-size:18px;margin-bottom:8px}
.info-card-title a{color:var(--text)}
.info-card-title a:hover{color:var(--primary-dark)}
.info-card-desc{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-card-meta{display:flex;align-items:center;gap:16px;font-size:12px;color:var(--text-muted);margin-top:auto}
.info-card-tag a{display:inline-block;padding:3px 10px;background:var(--primary-light);color:var(--primary-dark);border-radius:12px;font-size:12px}

/*pagebar*/
.pagebar{margin:40px auto;text-align:center}
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.page-item{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border-radius:8px;background:#fff;border:1px solid #eee;color:#666;font-size:14px;text-decoration:none;transition:all .3s}
.page-num-current{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:500}
.page-link:hover{background:#f9f9f9;border-color:#ddd;color:#333}
.page-num-current:hover{background:var(--primary);color:#fff;cursor:default}
.info-pagination,.help-page-pagination{margin-top:45px;text-align:center}

.content-area-show .article-title{font-size:28px;margin-bottom:16px}
.article-meta{display:flex;gap:20px;font-size:13px;color:var(--text-muted);margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.article-content{font-size:16px;line-height:2;color:var(--text)}
.article-content p{margin-bottom:16px}
.pagination-show ul{display:flex;justify-content:space-between;border-top:1px solid var(--border);padding-top:20px;margin-top:32px}
.pagination-show li{font-size:14px}
.pagination-show li a{color:var(--text-light)}
.pagination-show li a:hover{color:var(--primary-dark)}

.related-news{margin-top:20px}
.related-title{font-size:18px;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.related-list{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed var(--border)}
.related-item{font-size:14px}
.related-item span{color:var(--primary);margin-right:6px}
.related-list-time{font-size:12px;color:var(--text-muted);white-space:nowrap}

.help-content-row{display:flex;gap:36px}
.help-main-content{flex:1;min-width:0}
.help-sidebar-wrap{width:320px;flex-shrink:0}
.help-page-title{font-size:22px;margin-bottom:24px;padding-bottom:12px;border-bottom:2px solid var(--primary)}
.help-accordion-item{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:10px;overflow:hidden;transition:all 0.25s}
.help-accordion-item.active{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}
.help-accordion-question{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;cursor:pointer;font-size:15px;font-weight:600;color:var(--text);background:var(--bg-light);transition:background 0.2s}
.help-accordion-question:hover{background:#f0f0f5}
.help-accordion-answer{display:none;padding:16px 20px;font-size:14px;color:var(--text-light);line-height:1.8;border-top:1px solid var(--border)}
.help-accordion-item.active .help-accordion-answer{display:block}
.help-accordion-icon{font-size:14px;color:var(--text-muted);transition:transform 0.25s}
.help-sidebar-card{background:var(--bg-light);border-radius:var(--radius);padding:24px;margin-bottom:20px}
.help-sidebar-title{font-size:17px;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.help-sidebar-list-item{margin-bottom:12px}
.help-sidebar-link{display:flex;gap:10px;color:var(--text)}
.help-sidebar-thumb{position:relative;width:80px;height:54px;border-radius:6px;overflow:hidden;flex-shrink:0;background:var(--border)}
.help-sidebar-thumb img{width:100%;height:100%;object-fit:cover}
.help-top-tag{position:absolute;top:3px;left:3px;background:var(--primary);color:#fff;font-size:10px;padding:1px 5px;border-radius:3px;font-weight:700}
.help-sidebar-info{flex:1;min-width:0}
.help-sidebar-subtitle{font-size:13px;line-height:1.5;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.help-sidebar-meta{font-size:11px;color:var(--text-muted)}
.help-download-box{text-align:center}
.help-download-title{font-size:17px;margin-bottom:8px}
.help-download-desc{font-size:13px;color:var(--text-muted);margin-bottom:14px;line-height:1.6}
.help-download-btn{display:inline-block;padding:10px 26px;font-size:14px;font-weight:600;color:#fff;background:var(--primary-gradient);border-radius:24px}
.help-download-btn:hover{color:#fff;transform:translateY(-1px)}

.single-page{max-width:860px;margin:0 auto;padding:40px 20px 60px}
.single-page h1{font-size:30px;margin-bottom:24px;text-align:center}
.single-page h2{font-size:22px;margin:32px 0 16px}
.single-page h3{font-size:18px;margin:20px 0 10px}
.single-page p{margin-bottom:16px;line-height:1.9;color:var(--text-light)}
.single-page ul,.single-page ol{margin-bottom:16px;padding-left:24px}
.single-page ul li,.single-page ol li{margin-bottom:8px;line-height:1.8;color:var(--text-light);list-style:disc}
.single-page ol li{list-style:decimal}

.brand-page{max-width:980px}
.brand-lead{font-size:17px;color:var(--text-light);line-height:2;margin-bottom:24px}
.brand-section{margin:34px 0}
.brand-section h2{display:flex;align-items:center;gap:10px;font-size:23px;margin-bottom:14px}
.brand-section h2 i{color:var(--primary-dark);font-size:20px}
.brand-section p{font-size:16px;line-height:2;color:var(--text-light)}
.brand-icon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0 30px}
.brand-icon-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:22px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.brand-icon-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.brand-icon-card i{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:14px;background:var(--primary-light);color:var(--primary-dark);font-size:22px;margin-bottom:12px}
.brand-icon-card h3{font-size:17px;margin-bottom:8px}
.brand-icon-card p{font-size:14px;line-height:1.8;margin:0}
.brand-two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:22px 0}
.brand-panel{background:var(--bg-light);border-left:4px solid var(--primary);border-radius:var(--radius-sm);padding:22px}
.brand-panel h3{font-size:18px;margin-bottom:10px}
.brand-panel p{font-size:15px;line-height:1.9;margin:0}
.brand-step-list{counter-reset:seoStep;display:grid;gap:12px;margin:18px 0 26px;padding-left:0!important}
.brand-step-list li{counter-increment:seoStep;list-style:none!important;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px 14px 54px;position:relative;color:var(--text-light)}
.brand-step-list li::before{content:counter(seoStep);position:absolute;left:16px;top:14px;width:26px;height:26px;border-radius:50%;background:var(--primary-gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.brand-link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.brand-link-grid a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;color:var(--text);font-weight:600}
.brand-link-grid a:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-light)}

@media (max-width:768px){
  .brand-icon-grid{grid-template-columns:1fr}
  .brand-two-col{grid-template-columns:1fr}
  .brand-link-grid{grid-template-columns:1fr 1fr}
}

.download-main{padding:48px 0}
.download-wrap{display:flex;gap:48px;align-items:flex-start}
.download-left{display:flex;gap:24px;align-items:flex-start;flex:1}
.app-logo img{width:80px;height:80px;border-radius:18px}
.app-info h2{font-size:26px;margin-bottom:8px}
.app-info>p{font-size:14px;color:var(--text-muted);margin-bottom:16px}
.app-details{display:flex;flex-direction:column;gap:6px}
.app-details li{font-size:14px;color:var(--text-light)}
.app-details li span{color:var(--text-muted);margin-right:6px}
.download-right{flex-shrink:0}
.download-buttons{display:flex;flex-direction:column;gap:12px}
.download-buttons .btn-ios,.download-buttons .btn-android{display:flex;align-items:center;gap:12px;padding:14px 28px;border-radius:var(--radius-sm);font-size:14px;transition:all 0.25s}
.btn-ios{background:#000;color:#fff}
.btn-ios:hover{color:#fff;opacity:0.9}
.btn-android{background:var(--primary-gradient);color:#fff}
.btn-android:hover{color:#fff;opacity:0.9}
.download-buttons small{font-size:11px;opacity:0.75;display:block}
.download-buttons strong{font-size:15px}
.download-tips{margin-top:16px;font-size:13px;color:var(--text-muted)}
.download-tips i{color:var(--primary)}
.download-banner{padding:48px 0;background:var(--bg-light)}
.download-inner{display:flex;gap:40px;align-items:center}
.download-text{flex:1}
.download-text h2{font-size:24px;margin-bottom:16px}
.download-text p{font-size:14px;color:var(--text-light);line-height:1.8;margin-bottom:12px}
.download-img{flex-shrink:0}
.download-img-card{width:260px;height:180px;border-radius:var(--radius);background:var(--border);overflow:hidden}
.download-img-card img{width:100%;height:100%;object-fit:cover}
.download-version{padding:56px 0}
.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}
.download-item{text-align:center;padding:36px 24px;border-radius:var(--radius);background:var(--bg-light);transition:box-shadow 0.25s}
.download-item:hover{box-shadow:var(--shadow-lg)}
.download-icon{font-size:48px;color:var(--primary);margin-bottom:16px}
.download-item h3{font-size:20px;margin-bottom:8px}
.download-item p{font-size:14px;color:var(--text-muted);margin-bottom:16px}
.download-btn{display:inline-block;padding:10px 28px;font-size:14px;font-weight:600;color:#fff;background:var(--primary-gradient);border-radius:24px}
.download-btn:hover{color:#fff;transform:translateY(-1px)}
.download-guide{padding:48px 0;background:var(--bg-light)}
.guide-row{display:flex;gap:40px;align-items:center}
.guide-left img{width:180px;height:180px;border-radius:var(--radius)}
.guide-right h2{font-size:24px;margin-bottom:12px}
.guide-right>p{font-size:14px;color:var(--text-light);line-height:1.8;margin-bottom:16px}
.guide-list li{font-size:14px;color:var(--text-light);margin-bottom:8px}
.guide-list li i{color:var(--primary);margin-right:8px}
.download-feature{padding:56px 0}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-item{text-align:center;padding:28px 16px}
.feature-item i{font-size:32px;color:var(--primary);margin-bottom:12px}
.feature-item h4{font-size:17px;margin-bottom:8px}
.feature-item p{font-size:13px;color:var(--text-muted)}

.section-head{text-align:center;margin-bottom:36px}
.section-head h2{font-size:28px;margin-bottom:8px}
.section-head p{font-size:15px;color:var(--text-muted)}

@media (max-width:1024px){
  .footer-inner{grid-template-columns:1fr 1fr 1fr;gap:32px}
  .info-wrap{flex-direction:column}
  .info-side{width:100%}
  .info-side-sticky{position:static}
  .info-card-thumb{width:160px;height:110px}
  .help-content-row{flex-direction:column}
  .help-sidebar-wrap{width:100%}
  .download-wrap{flex-direction:column}
  .download-inner{flex-direction:column;text-align:center}
  .guide-row{flex-direction:column;text-align:center}
  .feature-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:15px}
  h1{font-size:26px}
  h2{font-size:22px}
  .container{padding:0 16px}
  .header-inner{height:56px}
  .nav-list{display:none}
  .menu-toggle{display:flex}
  .mobile-nav{display:block}
  .mobile-download-wrapper{display:block}
  .section-header-flex{flex-direction:column;align-items:flex-start;gap:8px}
  .section-header h2,.section-header-flex .section-title{font-size:22px}
  .page-section-header{padding:40px 0}
  .page-section-header .header-content h1{font-size:24px}
  .breadcrumb{font-size:12px}
  .info-card-item{flex-direction:column}
  .info-card-thumb{width:100%;height:180px}
  .download-wrap{flex-direction:column}
  .download-left{flex-direction:column}
  .download-buttons{flex-direction:row;flex-wrap:wrap}
  .download-grid{grid-template-columns:1fr}
  .cta-buttons{flex-direction:column;align-items:center}
  .footer-inner{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:480px){
  .hero-title{font-size:22px}
  .cta-title{font-size:22px}
  .footer-inner{grid-template-columns:1fr}
  .btn{padding:10px 24px;font-size:14px}
  .feature-grid{grid-template-columns:1fr}
  .single-page{padding:24px 16px 40px}
  .single-page h1{font-size:24px}
  .single-page h2{font-size:20px}
}