* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
        html { font-size: 16px; scroll-behavior: smooth; }
        :root { 
            --primary: #2563eb;
            --secondary: #7c3aed;
            --gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
            --light-bg: #f8fafc;
            --white: #ffffff;
            --text-primary: #1e293b;
            --text-secondary: #64748b;
            --border-color: #e2e8f0;
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
        }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif; background: var(--white); color: var(--text-primary); line-height: 1.6; }
        
        /* Navbar */
        .navbar { position: fixed; top: 0; width: 100%; z-index: 1000; padding: 0.8rem 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); box-shadow: 0 1px 2px rgba(0,0,0,0.05); transition: all 0.3s; }
        .navbar.scrolled { padding: 0.5rem 0; box-shadow: var(--shadow-lg); }
        .nav-container { display: flex; justify-content: space-between; align-items: center; max-width: 1600px; margin: 0 auto; padding: 0 4%; }
        .logo { font-size: 1.4rem; font-weight: bold; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; white-space: nowrap; }
        .nav-links { display: flex; list-style: none; gap: 3rem; align-items: center; }
        .nav-links a { color: var(--text-primary); text-decoration: none; font-weight: 500; transition: all 0.3s; font-size: 0.95rem; }
        .nav-links a:hover { color: var(--primary); }
		.nav-links li.active a{color:#3a72ff}
        .nav-cta { background: var(--gradient); color: white !important; padding: 0.6rem 1.5rem; border-radius: 25px; font-weight: 600; font-size: 0.9rem !important; }
        .nav-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
        .mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; padding: 0.5rem; color: var(--text-primary); }
        
        .page-header { padding: 160px 5% 60px; text-align: center; background: linear-gradient(135deg, #eff6ff 0%, #fff 50%, #f5f3ff 100%); }
        .page-title { font-size: clamp(2.5rem, 5vw, 3.5rem); margin-bottom: 1rem; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .page-subtitle { color: var(--text-secondary); font-size: 1.3rem; }
        
        .section { padding: 80px 5%; max-width: 1600px; margin: 0 auto; }
 /* ========================================
   浮动联系菜单
   ======================================== */
.float-menu { 
    position: fixed; 
    right: 20px; 
    top: 50%; 
    transform: translateY(-50%); 
    z-index: 999; 
    display: flex; 
    flex-direction: column; 
    gap: 10px; 
}
.float-item { 
    position: relative; 
    width: 55px; 
    height: 55px; 
    background: white; 
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 1.5rem; 
    cursor: pointer; 
    box-shadow: var(--shadow-lg); 
    border: 2px solid var(--border-color); 
    transition: all 0.3s; 
	text-decoration:none;
}
.float-item:hover { 
    transform: scale(1.1); 
    border-color: var(--primary); 
}
.float-item .float-icon { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
}
.float-item .float-popup { 
    position: absolute; 
    right: 70px; 
    top: 50%; 
    transform: translateY(-50%) translateX(20px); 
    background: white; 
    padding: 1.5rem; 
    border-radius: 15px; 
    box-shadow: var(--shadow-xl); 
    border: 2px solid var(--border-color); 
    opacity: 0; 
    visibility: hidden; 
    transition: all 0.3s; 
    white-space: nowrap; 
    min-width: 200px; 
}
.float-item:hover .float-popup { 
    opacity: 1; 
    visibility: visible; 
    transform: translateY(-50%) translateX(0); 
}
.float-popup-title { 
    font-weight: 700; 
    color: var(--text-primary); 
    margin-bottom: 0.8rem; 
    font-size: 0.95rem; 
}
.float-popup-content { 
    display: flex; 
    align-items: center; 
    gap: 1rem; 
}
.float-popup-phone { 
    font-size: 1.1rem; 
    color: var(--primary); 
    font-weight: 600; 
}
.float-popup-qr { 
    width: 120px; 
    height: 120px; 
    background: var(--light-bg); 
    border-radius: 10px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 3rem; 
    border: 2px dashed var(--border-color); 
}
.float-popup-qr img { 
    width: 100%; 
    height: 100%; 
    object-fit: contain; 
    border-radius: 8px; 
}
.float-item.phone:hover { 
    background: linear-gradient(135deg, #10b981, #059669); 
    border-color: transparent; 
}
.float-item.phone .float-icon { 
    color: white; 
}
.float-item.wechat:hover { 
    background: linear-gradient(135deg, #07c160, #06ad56); 
    border-color: transparent; 
}
.float-item.wechat .float-icon { 
    color: white; 
}
.float-item.qq:hover { 
    background: linear-gradient(135deg, #12b7f5, #0ea5e9); 
    border-color: transparent; 
}
.float-item.qq .float-icon { 
    color: white; 
}
        /* Contact Cards */
        .contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; margin-bottom: 5rem; }
        .contact-card { background: white; padding: 3rem 2rem; border-radius: 25px; border: 1px solid var(--border-color); text-align: center; transition: all 0.4s; }
        .contact-card:hover { transform: translateY(-15px); box-shadow: var(--shadow-lg); }
        .card-icon { width: 90px; height: 90px; background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(124,58,237,0.08)); border-radius: 25px; display: flex; align-items: center; justify-content: center; font-size: 2.5rem; margin: 0 auto 2rem; transition: all 0.3s; }
        .contact-card:hover .card-icon { background: var(--gradient); color: white; transform: scale(1.1); }
        .card-title { font-size: 1.5rem; margin-bottom: 0.8rem; font-weight: 700; }
        .card-desc { color: var(--text-secondary); margin-bottom: 2rem; font-size: 1.05rem; }
        .card-action { color: var(--primary); font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; gap: 0.8rem; transition: all 0.3s; font-size: 1rem; }
        .card-action:hover { gap: 1.5rem; }
        
        /* Main Content */
        .contact-main { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: start; margin-bottom: 5rem; }
        .contact-info h2 { font-size: 2.5rem; margin-bottom: 1.8rem; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; }
        .contact-info > p { color: var(--text-secondary); font-size: 1.15rem; margin-bottom: 2.5rem; line-height: 1.9; }
        
        .info-item { display: flex; align-items: flex-start; gap: 1.5rem; margin-bottom: 2.5rem; }
        .info-icon { width: 60px; height: 60px; background: var(--light-bg); border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0; }
        .info-content h4 { margin-bottom: 0.6rem; font-size: 1.2rem; font-weight: 700; }
        .info-content p { color: var(--text-secondary); font-size: 1rem; line-height: 1.8; }
        
        .business-hours { background: rgba(37,99,235,0.05); border: 2px solid rgba(37,99,235,0.2); border-radius: 20px; padding: 2rem; margin-top: 3rem; }
        .business-hours h4 { margin-bottom: 1.5rem; color: var(--primary); font-size: 1.3rem; font-weight: 700; }
        .hour-row { display: flex; justify-content: space-between; padding: 1rem 0; border-bottom: 1px solid rgba(0,0,0,0.05); font-size: 1.05rem; }
        .hour-row:last-child { border-bottom: none; }
        
        .info-box { background: white; padding: 3rem; border-radius: 25px; border: 1px solid var(--border-color); box-shadow: var(--shadow-lg); }
        .info-box h3 { margin-bottom: 2rem; font-size: 1.6rem; font-weight: 700; }
        .info-box p { color: var(--text-secondary); margin-bottom: 1rem; font-size: 1.05rem; line-height: 1.8; }
        .info-box strong { color: var(--text-primary); font-weight: 700; }
        
        /* FAQ Section */
        .faq-section { background: var(--light-bg); padding: 100px 5%; }
        .faq-header { text-align: center; margin-bottom: 5rem; }
        .faq-header h2 { font-size: 2.8rem; margin-bottom: 1rem; }
        .faq-list { list-style: none; max-width: 1200px; margin: 0 auto; }
        .faq-item { background: white; border-radius: 20px; margin-bottom: 1.5rem; border: 1px solid var(--border-color); overflow: hidden; transition: all 0.3s; }
        .faq-item:hover { box-shadow: var(--shadow-lg); }
        .faq-question { padding: 2rem; font-weight: 700; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 1.15rem; transition: all 0.3s; }
        .faq-question:hover { background: var(--light-bg); }
        .faq-answer { padding: 0 2rem 2rem; color: var(--text-secondary); line-height: 2; font-size: 1.05rem; display: none; }
        .faq-item.active .faq-answer { display: block; animation: slideDown 0.3s ease-out; }
        @keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
        .faq-icon { font-size: 1.8rem; transition: transform 0.3s; }
        .faq-item.active .faq-icon { transform: rotate(45deg); }
        
        /* Footer */
        footer { background: #0f172a; padding: 50px 4% 25px; color: #94a3b8; }
        .footer-grid { max-width: 1600px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 3rem; }
        .footer-brand h3 { font-size: 1.3rem; color: white; margin-bottom: 0.8rem; }
        .footer-brand p { margin-bottom: 1.2rem; line-height: 1.7; font-size: 0.9rem; }
        .social-links { display: flex; gap: 0.8rem; }
        .social-link { width: 40px; height: 40px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; transition: all 0.3s; }
        .social-link:active { background: var(--gradient); transform: translateY(-3px); }
        .footer-links h4 { color: white; margin-bottom: 1.2rem; font-weight: 600; font-size: 1rem; }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a { color: #94a3b8; text-decoration: none; transition: all 0.3s; font-size: 0.9rem; }
        .footer-links a:active { color: white; }
        .copyright { text-align: center; padding-top: 1.5rem; border-top: 1px solid #1e293b; font-size: 0.85rem; }
		.copyright a{color:#ffffff;text-decoration: none;}
        
        @media (max-width: 1024px) {
            .contact-cards { grid-template-columns: repeat(2, 1fr); }
            .contact-main { grid-template-columns: 1fr; }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn { display: block; }
            .nav-links { position: fixed; top: 60px; gap: 1.2rem; left: 0; right: 0; background: white; flex-direction: column; padding: 1.5rem; transform: translateY(-100%); opacity: 0; transition: all 0.3s; box-shadow: 0 4px 10px rgba(0,0,0,0.1); visibility: hidden; }
            .nav-links.active { transform: translateY(0); opacity: 1; visibility: visible; }
            .nav-links li { width: 100%; text-align: center; }
            .nav-links a { display: block; padding: 0.8rem; font-size: 1.1rem; }
            .nav-cta { display: inline-block; margin-top: 0.5rem; }
            .contact-cards { grid-template-columns: 1fr; }

            .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
            .footer-brand { grid-column: 1 / -1; }
            .social-links { justify-content: center; }
            /* 移动端隐藏浮动菜单 */
            .float-menu { display: none; }
        }
		
        @media (max-width: 480px) {
            html { font-size: 14px; }
            .nav-container { padding: 0 3%; }
            .logo { font-size: 1.2rem; }
            
            .about-stats { grid-template-columns: 1fr; }
            .cert-grid { grid-template-columns: 1fr; }
            .team-grid { grid-template-columns: 1fr; }
			
            .footer-grid { grid-template-columns: 1fr; text-align: center; }
            .footer-brand { grid-column: 1; }
            .social-links { justify-content: center; }
            /* 移动端隐藏浮动菜单 */
            .float-menu { display: none; }
        }