/* Global Reset */
* { margin:0; padding:0; box-sizing:border-box; }
html { font-size:16px; scroll-behavior:smooth; }
body { font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif; line-height:1.7; color:#333; min-width:320px; overflow-x:hidden; }
a { text-decoration:none; color:inherit; transition:all 0.3s; }
ul { list-style:none; }
img { max-width:100%; height:auto; display:block; }
:root {
    --primary:#dc2626;
    --secondary:#991b1b;
    --accent:#dc2626;
    --dark:#7f1d1d;
    --light:#fef2f2;
    --grad:linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    --bg:#fef2f2;
}
.container { max-width:1200px; margin:0 auto; padding:0 20px; }
@media(max-width:768px){html{font-size:14px;}.container{padding:0 15px;}}

/* Glass Nav Header */
.glass-header{background:rgba(255,255,255,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,0.1);border-bottom:1px solid rgba(220,38,38,0.1);}
.glass-nav-container{max-width:1300px;margin:0 auto;padding:0 30px;display:flex;align-items:center;justify-content:space-between;min-height:85px;}
.glass-logo{color:var(--primary);font-size:1.6rem;font-weight:bold;}
.glass-nav{display:flex;align-items:center;gap:15px;}
.glass-nav-link{padding:12px 22px;color:#333;font-size:1.05rem;border-radius:10px;transition:all 0.3s;}
.glass-nav-link:hover{background:rgba(220,38,38,0.08);}
.glass-nav-link.active{color:var(--primary);font-weight:500;}
.glass-dropdown{position:relative;}
.glass-dropdown-menu{display:none;position:absolute;top:100%;left:0;background:white;border-radius:12px;box-shadow:0 15px 50px rgba(0,0,0,0.15);padding:12px 0;min-width:220px;margin-top:0;}
.glass-dropdown:hover .glass-dropdown-menu{display:block;}
.glass-dropdown-item{display:block;padding:14px 25px;color:#333;font-size:0.95rem;}
.glass-dropdown-item:hover{background:var(--light);color:var(--primary);}
.glass-dropdown-item.active{color:var(--primary);font-weight:500;}
.main-content{background:var(--bg);min-height:100vh;}
@media(max-width:900px){.glass-nav{display:none;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:white;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,0.1);}.glass-nav.open{display:flex;}.glass-nav-link{width:100%;text-align:center;}}

/* Mobile Menu Toggle */
.mobile-menu-toggle{display:none;background:none;border:none;font-size:1.8rem;color:var(--primary);cursor:pointer;padding:10px;}
@media(max-width:900px){.mobile-menu-toggle{display:block;}}

/* Hero Section */
.hero-section{background:linear-gradient(135deg, #dc2626 0%, #991b1b 100%);color:white;padding:100px 0;text-align:center;position:relative;overflow:hidden;}
.hero-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:0.3;}
.hero-title{font-size:3rem;font-weight:bold;margin-bottom:25px;position:relative;}
.hero-subtitle{font-size:1.4rem;margin-bottom:35px;opacity:0.95;position:relative;}
.hero-btn{display:inline-block;padding:18px 50px;background:white;color:var(--primary);border-radius:50px;font-weight:bold;font-size:1.1rem;transition:transform 0.3s,box-shadow 0.3s;}
.hero-btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,0.25);}
@media(max-width:768px){.hero-section{padding:70px 0;}.hero-title{font-size:2.2rem;}.hero-subtitle{font-size:1.1rem;}}

/* Section Styles */
.section{padding:80px 0;}
.section-alt{background:#f5f5f5;}
.section-header{text-align:center;margin-bottom:50px;}
.section-title{font-size:2.4rem;color:var(--dark);margin-bottom:15px;}
.section-subtitle{color:#666;font-size:1.1rem;}
@media(max-width:768px){.section{padding:50px 0;}.section-title{font-size:1.8rem;}}

/* Services Grid */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;}
.service-card{background:white;border-radius:16px;padding:40px 30px;text-align:center;box-shadow:0 8px 30px rgba(0,0,0,0.08);transition:all 0.3s;}
.service-card:hover{transform:translateY(-10px);box-shadow:0 15px 40px rgba(220,38,38,0.15);}
.service-icon{width:90px;height:90px;background:var(--light);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 25px;font-size:2.2rem;color:var(--primary);}
.service-title{font-size:1.4rem;color:var(--dark);margin-bottom:15px;}
.service-desc{color:#666;font-size:1rem;line-height:1.8;}

/* Products Grid */
.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;}
.product-card{background:white;border-radius:16px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,0.08);transition:all 0.3s;}
.product-card:hover{transform:translateY(-5px);}
.product-image{height:200px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:4rem;color:white;}
.product-info{padding:30px;}
.product-title{font-size:1.3rem;color:var(--dark);margin-bottom:12px;}
.product-desc{color:#666;font-size:0.95rem;}

/* Cases Grid */
.cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px;}
.case-card{background:white;border-radius:16px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,0.08);}
.case-image{height:200px;background:var(--light);display:flex;align-items:center;justify-content:center;font-size:3.5rem;color:var(--primary);}
.case-info{padding:30px;}
.case-title{font-size:1.3rem;color:var(--dark);margin-bottom:12px;}
.case-desc{color:#666;font-size:0.95rem;margin-bottom:15px;}
.case-tag{display:inline-block;padding:6px 18px;background:var(--light);color:var(--primary);border-radius:20px;font-size:0.9rem;}

/* Page Header */
.page-header{background:var(--grad);color:white;padding:80px 0;text-align:center;}
.page-title{font-size:2.5rem;margin-bottom:15px;}
.page-subtitle{font-size:1.2rem;opacity:0.9;}

/* Page Content */
.page-content{padding:60px 0;}
.content-section{background:white;border-radius:16px;padding:45px;margin-bottom:35px;box-shadow:0 5px 20px rgba(0,0,0,0.05);}
.content-title{font-size:1.6rem;color:var(--dark);margin-bottom:25px;padding-left:20px;border-left:5px solid var(--primary);}
.content-text{color:#555;line-height:2;margin-bottom:18px;}
.content-list{padding-left:25px;margin-bottom:25px;}
.content-list li{color:#555;line-height:2.2;list-style:disc;}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:25px;margin-top:30px;}
.feature-item{background:var(--light);padding:30px;border-radius:12px;border-left:4px solid var(--primary);}
.feature-title{font-size:1.15rem;color:var(--dark);margin-bottom:12px;}
.feature-desc{color:#666;font-size:0.95rem;}

/* Stats Grid */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:50px;}
.stat-item{text-align:center;padding:40px;background:white;border-radius:16px;box-shadow:0 5px 20px rgba(0,0,0,0.08);}
.stat-number{font-size:3.5rem;font-weight:bold;color:var(--primary);}
.stat-label{color:#666;font-size:1.1rem;margin-top:10px;}
@media(max-width:768px){.stats-grid{grid-template-columns:1fr;gap:25px;}.stat-number{font-size:2.5rem;}}

/* Contact Grid */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;}
.contact-info{background:var(--grad);color:white;padding:50px;border-radius:16px;}
.contact-info h3{font-size:1.6rem;margin-bottom:30px;}
.contact-item{display:flex;align-items:center;margin-bottom:25px;font-size:1.05rem;}
.contact-item span{margin-right:15px;font-size:1.4rem;}
.contact-form{background:white;padding:50px;border-radius:16px;box-shadow:0 8px 30px rgba(0,0,0,0.1);}
.contact-form h3{color:var(--dark);margin-bottom:30px;}
.form-item{display:flex;align-items:center;gap:20px;margin-bottom:30px;}
.form-icon{width:55px;height:55px;background:var(--light);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--primary);}
.form-text strong{display:block;color:var(--dark);margin-bottom:8px;}
.form-text p{color:#666;font-size:0.95rem;}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr;}.contact-info,.contact-form{padding:35px;}}

/* Footer */
.site-footer{background:#1a1a1a;color:#aaa;padding:60px 0 30px;}
.footer-container{max-width:1200px;margin:0 auto;padding:0 20px;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:50px;margin-bottom:40px;}
.footer-title{color:white;font-size:1.2rem;margin-bottom:25px;}
.footer-text{color:#aaa;font-size:0.95rem;line-height:2;margin-bottom:10px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:#aaa;font-size:0.95rem;transition:color 0.3s;}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{text-align:center;padding-top:30px;border-top:1px solid #333;}
.copyright{color:#777;font-size:0.9rem;}
@media(max-width:768px){.site-footer{padding:40px 0 20px;}.footer-grid{grid-template-columns:1fr;text-align:center;}}

/* taocarts page styles */
.taocarts-hero{background:var(--grad);color:white;padding:120px 0;text-align:center;position:relative;overflow:hidden;}
.taocarts-hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:0.3;}
.taocarts-hero-title{font-size:3.5rem;font-weight:bold;margin-bottom:20px;position:relative;}
.taocarts-hero-sub{font-size:1.5rem;margin-bottom:40px;opacity:0.95;position:relative;}
.taocarts-hero-btns{display:flex;gap:20px;justify-content:center;position:relative;}
.taocarts-btn-primary{display:inline-block;padding:16px 45px;background:white;color:var(--primary);border-radius:50px;font-weight:bold;font-size:1.1rem;transition:all 0.3s;}
.taocarts-btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,0.25);}
.taocarts-btn-secondary{display:inline-block;padding:16px 45px;background:transparent;color:white;border:2px solid white;border-radius:50px;font-weight:bold;font-size:1.1rem;transition:all 0.3s;}
.taocarts-btn-secondary:hover{background:white;color:var(--primary);}
.taocarts-intro{padding:80px 0;background:white;text-align:center;}
.taocarts-lead{color:#555;line-height:2;font-size:1.15rem;margin-bottom:25px;max-width:900px;margin-left:auto;margin-right:auto;}
.taocarts-lead strong{color:var(--primary);}
.taocarts-about{padding:0 0 60px;background:white;}
.taocarts-about-box{max-width:900px;margin:0 auto;background:var(--light);border-radius:20px;padding:50px;text-align:center;border-left:5px solid var(--primary);}
.taocarts-about-title{color:#333;font-size:2rem;margin-bottom:25px;font-weight:bold;}
.taocarts-about-box p{color:#555;line-height:2;font-size:1.1rem;}
.taocarts-why{padding:80px 0;background:#FAFAFA;text-align:center;}
.taocarts-why-desc{color:#555;line-height:2;font-size:1.15rem;max-width:900px;margin:30px auto 0;}
.taocarts-features{padding:80px 0;background:white;}
.taocarts-feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(480px,1fr));gap:35px;}
.taocarts-feature-card{background:#FAFAFA;border-radius:20px;padding:40px;display:flex;gap:25px;border:1px solid #eee;}
.taocarts-feature-icon{width:60px;height:60px;background:var(--grad);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:bold;flex-shrink:0;}
.taocarts-feature-content h3{color:#333;font-size:1.35rem;margin-bottom:15px;}
.taocarts-feature-content p{color:#666;line-height:1.8;margin-bottom:15px;}
.taocarts-feature-content ul{padding-left:20px;}
.taocarts-feature-content li{color:#555;line-height:2;list-style:disc;margin-bottom:8px;}
.taocarts-feature-content li strong{color:var(--primary);}
.taocarts-target{padding:80px 0;background:#FAFAFA;}
.taocarts-target-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.taocarts-target-card{background:white;border-radius:16px;padding:40px;text-align:center;box-shadow:0 5px 20px rgba(0,0,0,0.05);}
.taocarts-target-icon{width:70px;height:70px;background:var(--grad);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;margin:0 auto 25px;}
.taocarts-target-card h3{color:#333;font-size:1.3rem;margin-bottom:12px;}
.taocarts-target-card p{color:#666;font-size:1rem;}
.taocarts-cta{padding:80px 0;background:var(--grad);color:white;text-align:center;}
.taocarts-cta h2{font-size:2.2rem;margin-bottom:20px;}
.taocarts-cta p{font-size:1.2rem;margin-bottom:25px;opacity:0.95;}
.taocarts-contact-box{display:flex;justify-content:center;gap:60px;flex-wrap:wrap;padding-top:30px;}
.taocarts-contact-item{text-align:center;}
.contact-label{display:block;font-size:0.95rem;opacity:0.85;margin-bottom:8px;}
.contact-value{font-size:1.4rem;font-weight:bold;}
@media(max-width:900px){.taocarts-feature-grid{grid-template-columns:1fr;}.taocarts-feature-card{flex-direction:column;}.taocarts-target-grid{grid-template-columns:1fr;}.taocarts-hero-title{font-size:2.5rem;}.taocarts-contact-box{gap:30px;}}
@media(max-width:768px){.taocarts-btn-primary,.taocarts-btn-secondary{padding:14px 35px;font-size:1rem;}.taocarts-about-box{padding:30px;}}