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p{font-size:15px;line-height:1.9;color:var(--text-secondary);margin-bottom:16px}.about-intro-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.about-stat{background:var(--bg-light);border-radius:var(--radius-lg);padding:32px 24px;text-align:center}.about-stat-number{font-size:42px;font-weight:700;color:var(--primary-color);line-height:1;margin-bottom:8px}.about-stat-number span{font-size:24px;color:var(--text-tertiary)}.about-stat-label{font-size:14px;color:var(--text-secondary)}.about-advantages{padding:80px 0;background:var(--bg-light)}.about-advantages-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}.about-advantage-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:32px;transition:all .3s;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:4px 20px;align-items:center}.about-advantage-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.about-advantage-icon{width:56px;height:56px;min-width:56px;background:var(--gradient-dark);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;grid-row:span 2}.about-advantage-icon i{font-size:26px;color:var(--text-white)}.about-advantage-card h3{font-size:18px;font-weight:600;color:var(--text-primary);margin:0;align-self:end}.about-advantage-card p{font-size:14px;line-height:1.7;color:var(--text-secondary);margin:0;align-self:start}.about-services{padding:80px 0}.about-services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}.about-service-card{background:var(--bg-light);border-radius:var(--radius-lg);padding:32px;transition:all .3s}.about-service-card:hover{box-shadow:var(--shadow-md)}.about-service-header{display:flex;align-items:center;gap:16px;margin-bottom:24px}.about-service-icon{width:48px;height:48px;background:var(--gradient-dark);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.about-service-icon i{font-size:22px;color:var(--text-white)}.about-service-header h3{font-size:18px;font-weight:600;color:var(--text-primary)}.about-service-list{list-style:none;padding:0;margin:0 0 24px}.about-service-list li{font-size:14px;color:var(--text-secondary);padding:8px 0;padding-left:20px;position:relative}.about-service-list li::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;background:var(--primary-color);border-radius:50%}.about-service-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary-color);font-weight:500;transition:all .2s}.about-service-link:hover{gap:10px}.about-vision{padding:80px 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i{font-size:20px;color:#fff}.contact-item-icon.phone{background:linear-gradient(135deg,#34c759,#30d158)}.contact-item-icon.email{background:linear-gradient(135deg,#007aff,#5ac8fa)}.contact-item-icon.qq{background:linear-gradient(135deg,#12b7f5,#00a2e8)}.contact-item-icon.wechat{background:linear-gradient(135deg,#07c160,#2aae67)}.contact-item-content{flex:1;display:flex;flex-direction:column;gap:2px}.contact-item-label{font-size:12px;color:var(--text-tertiary)}.contact-item-value{font-size:16px;font-weight:600;color:var(--text-primary)}.contact-item-arrow{font-size:20px;color:var(--text-quaternary);transition:transform .2s}.contact-item:hover .contact-item-arrow{transform:translateX(4px);color:var(--primary-color)}.contact-wechat{display:flex;align-items:center;justify-content:space-between;padding:20px;background:linear-gradient(135deg,#f0fff4 0%,#e8f5e9 100%);border-radius:var(--radius-md);border:1px solid 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.form-note{text-align:center;font-size:12px;color:var(--text-tertiary);margin-top:12px}@media(max-width:992px){.contact-layout{flex-direction:column;gap:24px}.contact-info-card,.contact-form-card{padding:24px}}@media(max-width:576px){.contact-wechat{flex-direction:column;gap:16px;text-align:center}.contact-wechat-info{flex-direction:column}.contact-wechat-qr{width:100px;height:100px}}.contact-extra-item i{font-size:20px;color:var(--primary-color)}.contact-extra-item h4{font-size:13px;color:var(--text-secondary);margin-bottom:2px}.contact-extra-item p{font-size:15px;font-weight:500;color:var(--text-primary)}.contact-form-wrap{background:var(--bg-light);border-radius:var(--radius-xl);padding:40px}.contact-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-form .form-group{margin-bottom:20px}.contact-form label{display:block;font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:8px}.contact-form label span{color:#e74c3c}.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:12px 16px;font-size:14px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-white);transition:all .2s}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px var(--primary-light)}.contact-form textarea{resize:vertical;min-height:120px}.contact-form .btn-block{width:100%;display:flex;align-items:center;justify-content:center;gap:8px}.form-note{font-size:12px;color:var(--text-tertiary);text-align:center;margin-top:16px}.contact-promise{padding:80px 0;background:var(--bg-light)}.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}.promise-item{text-align:center;padding:32px 24px;background:var(--bg-white);border-radius:var(--radius-lg);transition:all .3s}.promise-item:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.promise-icon{width:64px;height:64px;background:var(--gradient-dark);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}.promise-icon i{font-size:28px;color:var(--text-white)}.promise-item h4{font-size:17px;font-weight:600;color:var(--text-primary);margin-bottom:10px}.promise-item p{font-size:13px;line-height:1.6;color:var(--text-secondary)}.contact-faq{padding:80px 0}.faq-list{max-width:800px;margin:48px auto 0}.faq-item{border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden}.faq-question{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;cursor:pointer;transition:all .2s}.faq-question:hover{background:var(--bg-light)}.faq-question h4{font-size:15px;font-weight:500;color:var(--text-primary)}.faq-question i{font-size:20px;color:var(--text-tertiary);transition:transform .3s}.faq-item.active .faq-question i{transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}.faq-item.active .faq-answer{max-height:200px}.faq-answer p{padding:0 24px 20px;font-size:14px;line-height:1.7;color:var(--text-secondary)}@media(max-width:992px){.about-intro-grid{grid-template-columns:1fr;gap:40px}.about-advantages-grid,.about-services-grid{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr;gap:40px}.promise-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.about-intro-stats{grid-template-columns:repeat(2,1fr);gap:16px}.about-stat{padding:24px 16px}.about-stat-number{font-size:32px}.about-advantages-grid,.about-services-grid{grid-template-columns:1fr}.about-vision-values{flex-wrap:wrap;gap:32px}.about-vision-item{flex:0 0 calc(50% - 16px)}.contact-cards{grid-template-columns:1fr}.contact-form-wrap{padding:24px}.contact-form .form-row{grid-template-columns:1fr}.promise-grid{grid-template-columns:1fr}}@media(max-width:480px){.about-intro-content h2{font-size:26px}.about-vision-content h2{font-size:24px}.about-vision-text{font-size:16px}.about-vision-item{flex:0 0 100%}}