/*
Theme Name: ylroad
Theme URI: https://www.ylroad.com
Description: Professional Food Trailer Manufacturer Theme - Inspired by industry leaders
Author: ylroad
Version: 2.0
*/

/* === Reset & Base === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Roboto',-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;font-size:15px;line-height:1.6;color:#333;background:#fff;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color .3s}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.flex-jc-sb{display:flex;justify-content:space-between;align-items:center}
.flex-jc-ai-c{display:flex;justify-content:center;align-items:center}
.line2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* === Top Bar === */
.yl-topbar{background:#1a1a2e;color:rgba(255,255,255,.85);font-size:13px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.yl-topbar-inner{display:flex;justify-content:space-between;align-items:center}
.yl-topbar-left{display:flex;gap:24px;align-items:center}
.yl-topbar-left a{color:rgba(255,255,255,.85);display:flex;align-items:center;gap:6px;transition:color .3s}
.yl-topbar-left a:hover{color:#ff6b35}
.yl-topbar-left svg{width:14px;height:14px;fill:currentColor;flex-shrink:0}
.yl-topbar-right{display:flex;gap:12px;align-items:center}
.yl-topbar-right a{color:rgba(255,255,255,.85);width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.1);transition:all .3s}
.yl-topbar-right a:hover{background:#ff6b35;color:#fff}
.yl-topbar-right svg{width:14px;height:14px;fill:currentColor}

/* === Header === */
.yl-header{background:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.08)}
.yl-header-inner{display:flex;justify-content:space-between;align-items:center;padding:0 20px;max-width:1200px;margin:0 auto;height:72px}
.yl-logo img{height:48px;width:auto}
.yl-nav-list{display:flex;list-style:none;gap:0}
.yl-nav-list>li{position:relative}
.yl-nav-list>li>a{display:block;padding:24px 18px;font-size:15px;font-weight:500;color:#333;transition:color .3s;letter-spacing:.3px}
.yl-nav-list>li>a:hover,.yl-nav-list>li.current-menu-item>a{color:#ff6b35}
.yl-nav-list>li>a::after{content:'';position:absolute;bottom:20px;left:18px;right:18px;height:2px;background:#ff6b35;transform:scaleX(0);transition:transform .3s;transform-origin:center}
.yl-nav-list>li>a:hover::after,.yl-nav-list>li.current-menu-item>a::after{transform:scaleX(1)}

/* Dropdown */
.yl-nav-list li .sub-menu{position:absolute;top:100%;left:0;min-width:220px;background:#fff;box-shadow:0 8px 30px rgba(0,0,0,.12);border-radius:0 0 8px 8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s;z-index:100;padding:8px 0}
.yl-nav-list li:hover>.sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.yl-nav-list li .sub-menu li a{display:block;padding:10px 20px;font-size:14px;color:#555;transition:all .2s}
.yl-nav-list li .sub-menu li a:hover{color:#ff6b35;background:rgba(255,107,53,.05);padding-left:24px}

/* Mobile menu */
.yl-menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.yl-menu-toggle span{display:block;width:24px;height:2px;background:#333;transition:all .3s;border-radius:2px}
.yl-menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.yl-menu-toggle.active span:nth-child(2){opacity:0}
.yl-menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* === Banner Slider === */
.yl-banner{position:relative;width:100%;height:560px;overflow:hidden;background:#0d0d1a}
.yl-banner-slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity 1.2s ease;background-size:cover;background-position:center}
.yl-banner-slide.active{opacity:1}
.yl-banner-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(0,0,0,.6) 0%,rgba(0,0,0,.2) 100%)}
.yl-banner-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;max-width:1200px;margin:0 auto;padding:0 40px}
.yl-banner-tag{display:inline-block;background:#ff6b35;color:#fff;padding:6px 16px;border-radius:3px;font-size:13px;font-weight:500;letter-spacing:1px;text-transform:uppercase;margin-bottom:20px}
.yl-banner-content h1{font-size:52px;font-weight:700;color:#fff;line-height:1.15;margin-bottom:16px;max-width:600px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.yl-banner-content p{font-size:18px;color:rgba(255,255,255,.9);margin-bottom:32px;max-width:500px;line-height:1.7}
.yl-banner-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 36px;background:#ff6b35;color:#fff;border-radius:4px;font-weight:600;font-size:15px;transition:all .3s;border:2px solid #ff6b35}
.yl-banner-btn:hover{background:transparent;color:#fff;border-color:#fff}
.yl-banner-btn svg{width:16px;height:16px;fill:currentColor;transition:transform .3s}
.yl-banner-btn:hover svg{transform:translateX(4px)}
.yl-banner-dots{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.yl-banner-dot{width:40px;height:4px;border-radius:2px;background:rgba(255,255,255,.4);cursor:pointer;transition:all .4s}
.yl-banner-dot.active{background:#ff6b35;width:60px}
.yl-banner-arrows{position:absolute;top:50%;right:40px;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px;z-index:3}
.yl-banner-arrow{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s;color:#fff}
.yl-banner-arrow:hover{background:#ff6b35;border-color:#ff6b35}
.yl-banner-arrow svg{width:18px;height:18px;fill:currentColor}

/* === Section Title === */
.yl-sec-header{text-align:center;margin-bottom:50px}
.yl-sec-header .line-deco{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:16px}
.yl-sec-header .line-deco span{display:block;width:60px;height:1px;background:#ddd}
.yl-sec-header .line-deco .dot{width:8px;height:8px;border-radius:50%;background:#ff6b35;flex-shrink:0}
.yl-sec-header h2{font-size:36px;font-weight:700;color:#1a1a2e;margin-bottom:12px;letter-spacing:-.5px}
.yl-sec-header p{font-size:16px;color:#666;max-width:700px;margin:0 auto;line-height:1.7}

/* === Hot Products === */
.yl-hot-products{padding:80px 0;background:#f8f9fb}
.yl-product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.yl-prod-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:all .4s;position:relative}
.yl-prod-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.12)}
.yl-prod-img{position:relative;overflow:hidden;aspect-ratio:4/3}
.yl-prod-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.yl-prod-card:hover .yl-prod-img img{transform:scale(1.08)}
.yl-prod-overlay{position:absolute;bottom:0;left:0;right:0;padding:16px 20px;background:linear-gradient(transparent,rgba(0,0,0,.7));display:flex;justify-content:space-between;align-items:flex-end;opacity:0;transition:opacity .4s}
.yl-prod-card:hover .yl-prod-overlay{opacity:1}
.yl-prod-overlay span{color:#fff;font-size:13px;font-weight:500;display:flex;align-items:center;gap:6px}
.yl-prod-overlay svg{width:14px;height:14px;fill:#ff6b35}
.yl-prod-info{padding:16px 20px}
.yl-prod-title{font-size:15px;font-weight:600;color:#333;line-height:1.4;margin:0}
.yl-prod-title a{color:#333;transition:color .3s}
.yl-prod-title a:hover{color:#ff6b35}

/* === Why Choose Us === */
.yl-why-us{padding:80px 0;background:#fff}
.yl-features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.yl-feature-card{text-align:center;padding:40px 24px;border-radius:10px;background:#f8f9fb;border:1px solid #eee;transition:all .4s}
.yl-feature-card:hover{background:#fff;box-shadow:0 8px 30px rgba(0,0,0,.08);border-color:transparent;transform:translateY(-4px)}
.yl-feature-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#ff6b35,#ff8f65);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:#fff}
.yl-feature-icon svg{width:28px;height:28px;fill:currentColor}
.yl-feature-card h3{font-size:17px;font-weight:600;color:#1a1a2e;margin-bottom:10px}
.yl-feature-card p{font-size:14px;color:#666;line-height:1.7}

/* === How It Works === */
.yl-how-it-works{padding:80px 0;background:#1a1a2e;color:#fff}
.yl-how-it-works .yl-sec-header h2{color:#fff}
.yl-how-it-works .yl-sec-header p{color:rgba(255,255,255,.7)}
.yl-how-it-works .yl-sec-header .line-deco span{background:rgba(255,255,255,.2)}
.yl-steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.yl-step-card{padding:36px 28px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);transition:all .4s;position:relative}
.yl-step-card:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.yl-step-num{font-size:48px;font-weight:800;color:rgba(255,107,53,.3);line-height:1;margin-bottom:8px;font-family:Georgia,serif}
.yl-step-label{font-size:13px;text-transform:uppercase;letter-spacing:2px;color:#ff6b35;margin-bottom:12px;font-weight:500}
.yl-step-card h3{font-size:18px;font-weight:600;margin-bottom:12px;color:#fff}
.yl-step-card p{font-size:14px;color:rgba(255,255,255,.65);line-height:1.7}

/* === About Section === */
.yl-about{padding:80px 0;background:#fff}
.yl-about-inner{display:flex;gap:60px;align-items:center}
.yl-about-img{flex:1;min-width:0}
.yl-about-img img{border-radius:12px;width:100%;box-shadow:0 8px 30px rgba(0,0,0,.1)}
.yl-about-text{flex:1;min-width:0}
.yl-about-text .sub-title{font-size:14px;text-transform:uppercase;letter-spacing:2px;color:#ff6b35;font-weight:600;margin-bottom:12px}
.yl-about-text h2{font-size:34px;font-weight:700;color:#1a1a2e;margin-bottom:20px;line-height:1.2}
.yl-about-text p{font-size:15px;color:#555;line-height:1.8;margin-bottom:16px}
.yl-about-stats{display:flex;gap:40px;margin-top:30px}
.yl-stat{text-align:center}
.yl-stat .num{font-size:36px;font-weight:800;color:#ff6b35;line-height:1}
.yl-stat .label{font-size:13px;color:#666;margin-top:4px}

/* === CTA Section === */
.yl-cta{padding:80px 0;background:linear-gradient(135deg,#ff6b35 0%,#ff8f65 100%);text-align:center;color:#fff}
.yl-cta h2{font-size:38px;font-weight:700;margin-bottom:16px}
.yl-cta p{font-size:17px;opacity:.9;max-width:600px;margin:0 auto 32px;line-height:1.7}
.yl-cta-btn{display:inline-flex;align-items:center;gap:8px;padding:16px 40px;background:#fff;color:#ff6b35;border-radius:4px;font-weight:700;font-size:16px;transition:all .3s}
.yl-cta-btn:hover{background:#1a1a2e;color:#fff;transform:translateY(-2px)}

/* === News Section === */
.yl-news{padding:80px 0;background:#f8f9fb}
.yl-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.yl-news-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:all .4s}
.yl-news-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.1)}
.yl-news-thumb{overflow:hidden;aspect-ratio:16/10}
.yl-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.yl-news-card:hover .yl-news-thumb img{transform:scale(1.06)}
.yl-news-body{padding:24px}
.yl-news-date{font-size:13px;color:#999;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.yl-news-date svg{width:14px;height:14px;fill:#999}
.yl-news-title{font-size:17px;font-weight:600;color:#1a1a2e;line-height:1.5;margin-bottom:12px}
.yl-news-title a{color:#1a1a2e;transition:color .3s}
.yl-news-title a:hover{color:#ff6b35}
.yl-news-excerpt{font-size:14px;color:#666;line-height:1.7;margin-bottom:16px}
.yl-news-more{font-size:13px;font-weight:600;color:#ff6b35;display:inline-flex;align-items:center;gap:6px;transition:gap .3s}
.yl-news-more:hover{gap:10px}
.yl-news-more svg{width:14px;height:14px;fill:#ff6b35}

/* === Footer === */
.yl-footer{background:#1a1a2e;color:rgba(255,255,255,.75);padding:70px 0 0}
.yl-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px}
.yl-footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:20px;position:relative;padding-bottom:12px}
.yl-footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#ff6b35}
.yl-footer-col p{font-size:14px;line-height:1.8;margin-bottom:12px}
.yl-footer-col ul li{margin-bottom:10px}
.yl-footer-col ul a{font-size:14px;color:rgba(255,255,255,.7);transition:all .3s;display:flex;align-items:center;gap:8px}
.yl-footer-col ul a::before{content:'›';color:#ff6b35;font-weight:700}
.yl-footer-col ul a:hover{color:#ff6b35;padding-left:4px}
.yl-footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;font-size:14px}
.yl-footer-contact svg{width:16px;height:16px;fill:#ff6b35;flex-shrink:0;margin-top:3px}
.yl-footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.4)}

/* === Floating Buttons === */
.yl-float-wrap{position:fixed;right:20px;bottom:20px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.yl-float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 16px rgba(0,0,0,.2);transition:all .3s}
.yl-float-btn:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(0,0,0,.25)}
.yl-float-btn svg{width:24px;height:24px;fill:currentColor}
.yl-float-wa{background:#25D366}
.yl-float-phone{background:#007bff}
.yl-float-email{background:#ff6b35}

/* === Breadcrumb === */
.yl-breadcrumb{background:#f8f9fb;padding:16px 0;border-bottom:1px solid #eee}
.yl-breadcrumb .container{display:flex;align-items:center;flex-wrap:wrap;gap:4px}

/* === Pagination === */
.yl-pagination{margin-top:50px;text-align:center}
.yl-pagination .nav-links{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.yl-pagination .page-numbers{display:inline-block;padding:10px 16px;border:1px solid #ddd;border-radius:6px;color:#333;font-weight:500;transition:all .2s}
.yl-pagination .page-numbers:hover,.yl-pagination .page-numbers.current{background:#ff6b35;color:#fff;border-color:#ff6b35}

/* === Blog Grid === */
.yl-blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.yl-blog-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:all .4s}
.yl-blog-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.1)}
.yl-blog-thumb{overflow:hidden;aspect-ratio:16/10}
.yl-blog-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.yl-blog-card:hover .yl-blog-thumb img{transform:scale(1.06)}
.yl-blog-content{padding:24px}
.yl-blog-title{font-size:17px;font-weight:600;color:#1a1a2e;line-height:1.5;margin-bottom:12px}
.yl-blog-title a{color:#1a1a2e;transition:color .3s}
.yl-blog-title a:hover{color:#ff6b35}
.yl-blog-excerpt{font-size:14px;color:#666;line-height:1.7;margin-bottom:16px}
.yl-blog-meta{font-size:13px;color:#999;display:flex;align-items:center;gap:12px}

/* === Product Grid (Archive) === */
.yl-product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.yl-product-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:all .4s}
.yl-product-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.12)}
.yl-product-thumb{overflow:hidden;aspect-ratio:4/3}
.yl-product-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.yl-product-card:hover .yl-product-thumb img{transform:scale(1.08)}
.yl-product-info{padding:16px 20px}
.yl-product-title{font-size:15px;font-weight:600;color:#333;line-height:1.4;margin:0}
.yl-product-title a{color:#333;transition:color .3s}
.yl-product-title a:hover{color:#ff6b35}

/* === Post Content === */
.yl-post-content h2{font-size:24px;font-weight:700;color:#1a1a2e;margin:30px 0 16px}
.yl-post-content h3{font-size:20px;font-weight:600;color:#1a1a2e;margin:24px 0 12px}
.yl-post-content p{margin-bottom:16px}
.yl-post-content img{border-radius:8px;margin:20px 0}
.yl-post-content blockquote{border-left:4px solid #ff6b35;padding:16px 24px;margin:24px 0;background:#f8f9fb;border-radius:0 8px 8px 0}
.yl-post-content ul,.yl-post-content ol{margin:16px 0;padding-left:24px}
.yl-post-content li{margin-bottom:8px}
.yl-post-content a{color:#ff6b35;text-decoration:underline}

/* === Page Body === */
.yl-page-body h2{font-size:24px;font-weight:700;color:#1a1a2e;margin:30px 0 16px}
.yl-page-body h3{font-size:20px;font-weight:600;color:#1a1a2e;margin:24px 0 12px}
.yl-page-body p{margin-bottom:16px}
.yl-page-body img{border-radius:8px;margin:20px 0}
.yl-page-body ul,.yl-page-body ol{margin:16px 0;padding-left:24px}
.yl-page-body li{margin-bottom:8px}
.yl-page-body a{color:#ff6b35;text-decoration:underline}

/* === WooCommerce Overrides === */
.woocommerce ul.products li.product{margin:0!important;padding:0!important}
.woocommerce ul.products li.product a img{border-radius:10px 10px 0 0;height:240px;object-fit:cover}
.woocommerce ul.products li.product .price{display:none!important}
.woocommerce ul.products li.product .button,.woocommerce a.button{background:#ff6b35!important;color:#fff!important;border:none!important;border-radius:4px!important;padding:10px 24px!important;font-weight:600!important;transition:all .3s!important}
.woocommerce a.button:hover{background:#e55a2b!important}

/* === Responsive === */
@media(max-width:1024px){
    .yl-product-grid{grid-template-columns:repeat(3,1fr)}
    .yl-features-grid{grid-template-columns:repeat(2,1fr)}
    .yl-steps-grid{grid-template-columns:repeat(2,1fr)}
    .yl-footer-grid{grid-template-columns:repeat(2,1fr)}
    .yl-blog-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .yl-topbar-inner{flex-direction:column;gap:6px;text-align:center}
    .yl-menu-toggle{display:flex}
    .yl-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:0 10px 30px rgba(0,0,0,.1);max-height:70vh;overflow-y:auto}
    .yl-nav.active{display:block}
    .yl-nav-list{flex-direction:column;padding:10px 0}
    .yl-nav-list>li>a{padding:14px 20px}
    .yl-nav-list li .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;display:none;padding:0}
    .yl-nav-list li.open>.sub-menu{display:block}
    .yl-nav-list li .sub-menu li a{padding-left:36px}
    .yl-banner{height:400px}
    .yl-banner-content h1{font-size:32px}
    .yl-banner-content p{font-size:15px}
    .yl-banner-arrows{display:none}
    .yl-product-grid{grid-template-columns:repeat(2,1fr);gap:16px}
    .yl-features-grid{grid-template-columns:1fr}
    .yl-steps-grid{grid-template-columns:1fr}
    .yl-about-inner{flex-direction:column}
    .yl-news-grid{grid-template-columns:1fr}
    .yl-blog-grid{grid-template-columns:1fr}
    .yl-footer-grid{grid-template-columns:1fr}
    .yl-sec-header h2{font-size:28px}
    .yl-cta h2{font-size:28px}
    .yl-about-text h2{font-size:26px}
    .yl-about-stats{flex-wrap:wrap;gap:20px}
    .yl-post-detail .container,.yl-page-content .container{padding:0 16px}
    .yl-post-detail h1,.yl-page-content h1{font-size:28px!important}
}
@media(max-width:480px){
    .yl-product-grid{grid-template-columns:1fr}
    .yl-banner{height:320px}
    .yl-banner-content h1{font-size:26px}
    .yl-banner-content p{font-size:14px}
    .yl-banner-btn{padding:12px 24px;font-size:14px}
    .yl-sec-header h2{font-size:24px}
    .yl-cta h2{font-size:24px}
    .yl-float-wrap{right:12px;bottom:12px}
    .yl-float-btn{width:46px;height:46px}
}

/* === Animations === */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.yl-prod-card,.yl-feature-card,.yl-step-card,.yl-news-card,.yl-blog-card{animation:fadeInUp .6s ease both}
.yl-prod-card:nth-child(2){animation-delay:.1s}
.yl-prod-card:nth-child(3){animation-delay:.2s}
.yl-prod-card:nth-child(4){animation-delay:.3s}
.yl-feature-card:nth-child(2){animation-delay:.1s}
.yl-feature-card:nth-child(3){animation-delay:.2s}
.yl-feature-card:nth-child(4){animation-delay:.3s}

/* === Scroll to Top === */
.yl-scroll-top{position:fixed;right:20px;bottom:90px;width:44px;height:44px;border-radius:50%;background:#1a1a2e;color:#fff;display:none;align-items:center;justify-content:center;cursor:pointer;z-index:9998;box-shadow:0 4px 12px rgba(0,0,0,.2);transition:all .3s}
.yl-scroll-top:hover{background:#ff6b35;transform:translateY(-2px)}
.yl-scroll-top svg{width:20px;height:20px;fill:currentColor}
.yl-scroll-top.visible{display:flex}

/* === Loading Skeleton === */
.yl-skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ===== 改进的主题样式 ===== */

/* 首页Hero区域改进 */
.yl-hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.yl-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(255,107,53,0.75) 100%);
    z-index: 1;
}

.yl-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 20px;
}

.yl-hero h1 {
    font-size: 56px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.yl-hero p {
    font-size: 22px;
    color: rgba(255,255,255,0.95);
    margin-bottom: 30px;
    line-height: 1.6;
}

/* 产品卡片改进 */
.yl-prod-card {
    transition: all 0.3s ease;
    overflow: hidden;
}

.yl-prod-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

.yl-prod-img img {
    transition: transform 0.5s ease;
}

.yl-prod-card:hover .yl-prod-img img {
    transform: scale(1.08);
}

/* CTA按钮改进 */
.yl-cta-btn {
    display: inline-block;
    padding: 16px 36px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255,107,53,0.3);
}

.yl-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,107,53,0.4);
}

/* 响应式改进 */
@media (max-width: 768px) {
    .yl-hero h1 {
        font-size: 36px;
    }
    
    .yl-hero p {
        font-size: 18px;
    }
    
    .yl-prod-grid {
        grid-template-columns: 1fr;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.yl-sec-header {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动到顶部按钮改进 */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #ff6b35;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(255,107,53,0.3);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(255,107,53,0.4);
}


/* ===== 移动端改进 ===== */
@media (max-width: 768px) {
    /* 导航菜单改进 */
    .yl-nav ul {
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        display: none;
    }
    
    .yl-nav.active ul {
        display: flex;
    }
    
    .yl-nav li {
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }
    
    /* 产品网格改为单列 */
    .yl-product-grid,
    .yl-prod-grid {
        grid-template-columns: 1fr;
    }
    
    /* Hero区域调整 */
    .yl-hero h1 {
        font-size: 32px;
    }
    
    .yl-hero p {
        font-size: 16px;
    }
    
    /* 产品详情页布局调整 */
    .yl-product-detail > .container > div {
        flex-direction: column;
    }
    
    .yl-prod-gallery,
    .yl-prod-info-detail {
        width: 100%;
        max-width: 100%;
    }
    
    /* 按钮全宽 */
    .yl-cta-btn {
        width: 100%;
        text-align: center;
    }
    
    /* 页脚调整 */
    .yl-footer {
        text-align: center;
    }
    
    .yl-footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* 平板优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .yl-product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 触摸设备优化 */
@media (hover: none) {
    .yl-prod-card:hover {
        transform: none;
    }
    
    .yl-prod-overlay {
        opacity: 1;
        background: rgba(0,0,0,0.3);
    }
}