/* 广州八个六防水补漏 CSS v2.0 minified */:root{--primary:#1a73e8;--primary-dark:#1557b0;--primary-light:#4a9af1;--primary-bg:#e8f0fe;--secondary:#ff6b35;--secondary-dark:#e55100;--secondary-light:#ff8a5b;--secondary-bg:#fff3ed;--success:#28a745;--warning:#ffc107;--danger:#dc3545;--info:#17a2b8;--bg-white:#ffffff;--bg-light:#f8f9fa;--bg-gray:#f1f3f5;--bg-dark:#1a1a2e;--bg-dark-light:#16213e;--text-primary:#2c3e50;--text-secondary:#5a6c7d;--text-muted:#8995a5;--text-white:#ffffff;--text-light:#adb5bd;--border:#e9ecef;--border-light:#f1f3f5;--border-dark:#dee2e6;--shadow-xs:0 1px 2px rgba(0,0,0,0.05);--shadow-sm:0 2px 8px rgba(0,0,0,0.06);--shadow-md:0 4px 16px rgba(0,0,0,0.1);--shadow-lg:0 8px 32px rgba(0,0,0,0.12);--shadow-xl:0 16px 48px rgba(0,0,0,0.15);--shadow-primary:0 4px 20px rgba(26,115,232,0.3);--shadow-secondary:0 4px 20px rgba(255,107,53,0.3);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--max-width:1200px;--nav-height:64px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1);--transition-fast:all 0.15s ease;--transition-slow:all 0.6s cubic-bezier(0.4,0,0.2,1);--font-stack:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;--font-mono:"SF Mono","Fira Code","Consolas",monospace;--grad-primary:linear-gradient(135deg,#1a73e8 0%,#4a9af1 100%);--grad-secondary:linear-gradient(135deg,#ff6b35 0%,#ff9558 100%);--grad-hero:linear-gradient(135deg,#1a73e8 0%,#1557b0 50%,#0d47a1 100%);--grad-dark:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);--grad-overlay:linear-gradient(180deg,rgba(26,26,46,0.85) 0%,rgba(26,115,232,0.75) 100%)}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-stack);font-size:1rem;line-height:1.7;color:var(--text-primary);background:var(--bg-white);overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;height:auto;display:block}a{color:var(--primary);text-decoration:none;transition:var(--transition)}a:hover{color:var(--primary-dark)}ul,ol{list-style:none}button{font-family:inherit;cursor:pointer;border:none;outline:none;background:none}input,textarea,select{font-family:inherit;font-size:inherit;outline:none}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text-primary)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.1rem}h6{font-size:1rem}p{margin-bottom:var(--space-md);color:var(--text-secondary)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-primary{color:var(--primary) !important}.text-secondary{color:var(--secondary) !important}.text-white{color:var(--text-white) !important}.text-muted{color:var(--text-muted) !important}.text-success{color:var(--success) !important}.font-bold{font-weight:700}.font-lg{font-size:1.125rem}.font-xl{font-size:1.25rem}.font-2xl{font-size:1.5rem}.font-3xl{font-size:2rem}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-lg)}.container-sm{max-width:768px}.section{padding:var(--space-3xl) 0}.section-sm{padding:var(--space-2xl) 0}.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:var(--space-md);position:relative}.section-title::after{content:"";display:block;width:60px;height:4px;background:var(--grad-secondary);border-radius:var(--radius-full);margin:var(--space-md) auto 0}.section-subtitle{text-align:center;color:var(--text-muted);font-size:1.1rem;max-width:640px;margin:0 auto var(--space-2xl)}.grid{display:grid;gap:var(--space-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-auto{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-col{display:flex;flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mt-xl{margin-top:var(--space-xl)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.mb-xl{margin-bottom:var(--space-xl)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:12px 28px;font-size:1rem;font-weight:600;border-radius:var(--radius-md);transition:var(--transition);cursor:pointer;white-space:nowrap;text-decoration:none;border:2px solid transparent;position:relative;overflow:hidden;line-height:1.4}.btn::before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);transition:left 0.5s ease}.btn:hover::before{left:100%}.btn-primary{background:var(--grad-primary);color:var(--text-white);box-shadow:var(--shadow-primary)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(26,115,232,0.4);color:var(--text-white)}.btn-secondary{background:var(--grad-secondary);color:var(--text-white);box-shadow:var(--shadow-secondary)}.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(255,107,53,0.4);color:var(--text-white)}.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}.btn-outline:hover{background:var(--primary);color:var(--text-white)}.btn-white{background:var(--text-white);color:var(--primary);box-shadow:var(--shadow-md)}.btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:var(--primary-dark)}.btn-outline-white{background:transparent;border-color:rgba(255,255,255,0.6);color:var(--text-white)}.btn-outline-white:hover{background:rgba(255,255,255,0.1);border-color:var(--text-white);color:var(--text-white)}.btn-lg{padding:16px 40px;font-size:1.15rem}.btn-sm{padding:8px 18px;font-size:0.875rem}.btn-block{display:flex;width:100%}.btn-icon{width:44px;height:44px;padding:0;border-radius:var(--radius-full)}.card{background:var(--bg-white);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--border-light)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.card-flat{box-shadow:none;border:1px solid var(--border)}.card-body{padding:var(--space-lg)}.card-title{font-size:1.25rem;font-weight:700;margin-bottom:var(--space-sm)}.card-text{color:var(--text-secondary);font-size:0.95rem}.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:rgba(255,255,255,0.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:1000;transition:var(--transition);border-bottom:1px solid var(--border-light)}.navbar.scrolled{height:56px;box-shadow:var(--shadow-md)}.navbar-inner{max-width:var(--max-width);height:100%;margin:0 auto;padding:0 var(--space-lg);display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:var(--space-sm);font-size:1.2rem;font-weight:700;color:var(--text-primary);text-decoration:none}.nav-logo-icon{width:36px;height:36px;background:var(--grad-primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--text-white);font-size:1.2rem;flex-shrink:0}.nav-logo-text{line-height:1.2}.nav-logo-text small{display:block;font-size:0.7rem;font-weight:400;color:var(--text-muted)}.nav-menu{display:flex;align-items:center;gap:var(--space-xl)}.nav-link{color:var(--text-secondary);font-weight:500;font-size:0.95rem;padding:8px 0;position:relative;text-decoration:none;transition:var(--transition)}.nav-link::after{content:"";position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--primary);transition:var(--transition);transform:translateX(-50%)}.nav-link:hover{color:var(--primary)}.nav-link:hover::after{width:100%}.nav-link.active{color:var(--primary)}.nav-link.active::after{width:100%}.nav-phone{display:flex;align-items:center;gap:var(--space-sm);padding:8px 20px;background:var(--grad-secondary);color:var(--text-white) !important;border-radius:var(--radius-full);font-weight:700;font-size:1.05rem;text-decoration:none;transition:var(--transition);box-shadow:var(--shadow-secondary)}.nav-phone:hover{transform:scale(1.05);color:var(--text-white)}.nav-phone svg{width:18px;height:18px}.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}.nav-toggle span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.nav-toggle.active span:nth-child(2){opacity:0}.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.hero{position:relative;min-height:600px;padding:calc(var(--nav-height) + 60px) 0 80px;background:var(--grad-hero);overflow:hidden;display:flex;align-items:center}.hero::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at top right,rgba(255,107,53,0.15) 0%,transparent 50%),radial-gradient(ellipse at bottom left,rgba(74,154,241,0.2) 0%,transparent 50%);pointer-events:none}.hero::after{content:"";position:absolute;bottom:0;left:0;right:0;height:100px;background:linear-gradient(to top,var(--bg-white),transparent);pointer-events:none}.hero-content{position:relative;z-index:2;max-width:720px}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-sm);padding:6px 16px;background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.25);border-radius:var(--radius-full);color:var(--text-white);font-size:0.875rem;font-weight:500;margin-bottom:var(--space-lg);backdrop-filter:blur(4px)}.hero-badge .dot{width:8px;height:8px;background:#4ade80;border-radius:50%;animation:pulse-dot 2s infinite}.hero-title{font-size:3rem;font-weight:800;color:var(--text-white);line-height:1.2;margin-bottom:var(--space-lg);text-shadow:0 2px 20px rgba(0,0,0,0.2)}.hero-title .highlight{color:#ffcb6b;position:relative;display:inline-block}.hero-subtitle{font-size:1.2rem;color:rgba(255,255,255,0.9);margin-bottom:var(--space-xl);line-height:1.7}.hero-cta-group{display:flex;gap:var(--space-md);flex-wrap:wrap}.hero-stats{display:flex;gap:var(--space-2xl);margin-top:var(--space-2xl);padding-top:var(--space-xl);border-top:1px solid rgba(255,255,255,0.15)}.hero-stat{text-align:left}.hero-stat-num{font-size:2rem;font-weight:800;color:var(--text-white);line-height:1}.hero-stat-label{font-size:0.85rem;color:rgba(255,255,255,0.7);margin-top:var(--space-xs)}.services{background:var(--bg-light)}.service-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--border-light);position:relative;overflow:hidden}.service-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-primary);transform:scaleX(0);transform-origin:left;transition:var(--transition)}.service-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}.service-card:hover::before{transform:scaleX(1)}.service-icon{width:64px;height:64px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:2rem;margin-bottom:var(--space-md);background:var(--primary-bg);transition:var(--transition)}.service-card:hover .service-icon{background:var(--grad-primary);transform:scale(1.05)}.service-name{font-size:1.25rem;font-weight:700;margin-bottom:var(--space-sm);color:var(--text-primary)}.service-desc{font-size:0.9rem;color:var(--text-secondary);margin-bottom:var(--space-md);line-height:1.6}.service-price{display:flex;align-items:baseline;gap:var(--space-xs);margin-bottom:var(--space-md)}.service-price-num{font-size:1.5rem;font-weight:800;color:var(--secondary)}.service-price-unit{font-size:0.85rem;color:var(--text-muted)}.service-features{display:flex;flex-wrap:wrap;gap:var(--space-xs);margin-bottom:var(--space-md)}.service-tag{display:inline-block;padding:3px 10px;font-size:0.75rem;background:var(--bg-light);color:var(--text-secondary);border-radius:var(--radius-full);border:1px solid var(--border)}.service-phone{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-md);border-top:1px solid var(--border-light)}.service-phone-link{display:inline-flex;align-items:center;gap:var(--space-xs);font-weight:700;color:var(--primary);font-size:1.05rem}.service-phone-link:hover{color:var(--secondary)}.areas{background:var(--bg-white)}.area-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:var(--space-md)}.area-item{display:flex;flex-direction:column;align-items:center;padding:var(--space-lg) var(--space-md);background:var(--bg-light);border-radius:var(--radius-md);text-decoration:none;color:var(--text-primary);transition:var(--transition);border:2px solid transparent;text-align:center}.area-item:hover{background:var(--primary-bg);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm);color:var(--primary)}.area-icon{font-size:1.5rem;margin-bottom:var(--space-xs)}.area-name{font-weight:600;font-size:0.95rem}.area-count{font-size:0.75rem;color:var(--text-muted);margin-top:var(--space-xs)}.features{background:var(--grad-dark);color:var(--text-white)}.features .section-title{color:var(--text-white)}.features .section-title::after{background:var(--grad-secondary)}.features .section-subtitle{color:rgba(255,255,255,0.65)}.feature-card{text-align:center;padding:var(--space-xl);background:rgba(255,255,255,0.05);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,0.1);transition:var(--transition)}.feature-card:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.2);transform:translateY(-4px)}.feature-icon{width:72px;height:72px;margin:0 auto var(--space-md);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:2rem;background:var(--grad-secondary);box-shadow:var(--shadow-secondary)}.feature-title{font-size:1.25rem;font-weight:700;margin-bottom:var(--space-sm);color:var(--text-white)}.feature-desc{font-size:0.9rem;color:rgba(255,255,255,0.65);line-height:1.6}.reviews{background:var(--bg-light)}.review-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--border-light)}.review-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.review-header{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md)}.review-avatar{width:52px;height:52px;border-radius:var(--radius-full);background:var(--grad-primary);display:flex;align-items:center;justify-content:center;color:var(--text-white);font-weight:700;font-size:1.2rem;flex-shrink:0}.review-info{flex:1}.review-name{font-weight:700;font-size:1rem;color:var(--text-primary)}.review-location{font-size:0.8rem;color:var(--text-muted)}.review-stars{display:flex;gap:2px;color:#ffc107;font-size:0.95rem}.review-text{color:var(--text-secondary);font-size:0.95rem;line-height:1.7;margin-bottom:var(--space-md)}.review-text::before{content:"\201C";font-size:2.5rem;color:var(--primary);opacity:0.2;position:absolute;line-height:1}.review-card{position:relative;overflow:hidden}.review-meta{display:flex;align-items:center;justify-content:space-between;font-size:0.8rem;color:var(--text-muted);padding-top:var(--space-md);border-top:1px solid var(--border-light)}.review-service{display:inline-flex;align-items:center;gap:var(--space-xs);padding:3px 10px;background:var(--primary-bg);color:var(--primary);border-radius:var(--radius-full);font-size:0.75rem;font-weight:500}.process{background:var(--bg-white)}.process-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--space-md);position:relative}.process-steps::before{content:"";position:absolute;top:40px;left:10%;right:10%;height:3px;background:linear-gradient(90deg,var(--primary),var(--secondary));opacity:0.2}.process-step{text-align:center;position:relative;z-index:2}.process-step-icon{width:80px;height:80px;margin:0 auto var(--space-md);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:2rem;background:var(--bg-white);border:3px solid var(--primary);color:var(--primary);transition:var(--transition);position:relative}.process-step:hover .process-step-icon{background:var(--grad-primary);color:var(--text-white);transform:scale(1.05);box-shadow:var(--shadow-primary)}.process-step-num{position:absolute;top:-8px;right:-8px;width:28px;height:28px;background:var(--secondary);color:var(--text-white);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:0.8rem;font-weight:700}.process-step-title{font-size:1.05rem;font-weight:700;margin-bottom:var(--space-xs);color:var(--text-primary)}.process-step-desc{font-size:0.85rem;color:var(--text-muted);line-height:1.5}.faq{background:var(--bg-light)}.faq-container{max-width:820px;margin:0 auto}.faq-item{background:var(--bg-white);border-radius:var(--radius-md);margin-bottom:var(--space-md);overflow:hidden;box-shadow:var(--shadow-xs);border:1px solid var(--border-light);transition:var(--transition)}.faq-item.active{box-shadow:var(--shadow-md);border-color:var(--primary)}.faq-question{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg) var(--space-xl);cursor:pointer;font-weight:600;font-size:1.05rem;color:var(--text-primary);transition:var(--transition);user-select:none}.faq-question:hover{color:var(--primary)}.faq-item.active .faq-question{color:var(--primary)}.faq-toggle{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);background:var(--bg-light);transition:var(--transition);flex-shrink:0;margin-left:var(--space-md);font-size:1.2rem;color:var(--primary)}.faq-item.active .faq-toggle{transform:rotate(45deg);background:var(--primary);color:var(--text-white)}.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.4s ease;padding:0 var(--space-xl)}.faq-item.active .faq-answer{max-height:400px;padding-bottom:var(--space-lg)}.faq-answer p{color:var(--text-secondary);font-size:0.95rem;line-height:1.7;margin-bottom:0}.cta-section{position:relative;padding:var(--space-3xl) 0;background:var(--grad-primary);overflow:hidden;text-align:center}.cta-section::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at center,rgba(255,107,53,0.15) 0%,transparent 60%)}.cta-content{position:relative;z-index:2}.cta-title{font-size:2rem;font-weight:800;color:var(--text-white);margin-bottom:var(--space-md)}.cta-subtitle{font-size:1.15rem;color:rgba(255,255,255,0.85);margin-bottom:var(--space-xl)}.cta-phone{display:inline-flex;align-items:center;gap:var(--space-md);font-size:3rem;font-weight:800;color:var(--text-white);text-decoration:none;transition:var(--transition);padding:var(--space-md) var(--space-2xl);background:rgba(255,255,255,0.1);border-radius:var(--radius-xl);backdrop-filter:blur(8px);border:2px solid rgba(255,255,255,0.2)}.cta-phone:hover{transform:scale(1.03);background:rgba(255,255,255,0.15);color:var(--text-white);box-shadow:var(--shadow-xl)}.cta-phone-icon{width:56px;height:56px;background:var(--grad-secondary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;animation:phone-pulse 2s infinite;flex-shrink:0}.cta-phone-icon svg{width:28px;height:28px;fill:var(--text-white)}.cta-features{display:flex;justify-content:center;gap:var(--space-2xl);margin-top:var(--space-xl);flex-wrap:wrap}.cta-feature{display:flex;align-items:center;gap:var(--space-xs);color:rgba(255,255,255,0.85);font-size:0.95rem}.cta-feature svg{width:20px;height:20px;fill:#4ade80}.footer{background:var(--bg-dark);color:rgba(255,255,255,0.65);padding:var(--space-3xl) 0 var(--space-lg)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-2xl);margin-bottom:var(--space-2xl)}.footer-brand{margin-bottom:var(--space-md)}.footer-brand-name{font-size:1.3rem;font-weight:700;color:var(--text-white);margin-bottom:var(--space-sm)}.footer-desc{font-size:0.9rem;line-height:1.7;margin-bottom:var(--space-md)}.footer-contact{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm);font-size:0.9rem}.footer-contact svg{width:18px;height:18px;fill:var(--primary-light);flex-shrink:0}.footer-phone{font-size:1.5rem;font-weight:800;color:var(--secondary);text-decoration:none;margin-top:var(--space-sm);display:inline-block}.footer-phone:hover{color:var(--secondary-light)}.footer-title{font-size:1rem;font-weight:700;color:var(--text-white);margin-bottom:var(--space-md);padding-bottom:var(--space-sm);border-bottom:2px solid rgba(255,255,255,0.1)}.footer-links{display:flex;flex-direction:column;gap:var(--space-sm)}.footer-links a{color:rgba(255,255,255,0.6);font-size:0.9rem;text-decoration:none;transition:var(--transition)}.footer-links a:hover{color:var(--text-white);padding-left:var(--space-xs)}.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:var(--space-lg);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-md)}.footer-icp{font-size:0.85rem;color:rgba(255,255,255,0.4)}.footer-icp a{color:rgba(255,255,255,0.5)}.footer-icp a:hover{color:var(--text-white)}.footer-social{display:flex;gap:var(--space-sm)}.footer-social a{width:36px;height:36px;border-radius:var(--radius-full);background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.6);transition:var(--transition)}.footer-social a:hover{background:var(--primary);color:var(--text-white)}.footer-social svg{width:18px;height:18px}.chat-widget{position:fixed;bottom:24px;right:24px;z-index:999}.chat-bubble{width:60px;height:60px;border-radius:var(--radius-full);background:var(--grad-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-lg);transition:var(--transition);position:relative;animation:chat-float 3s ease-in-out infinite}.chat-bubble:hover{transform:scale(1.1);box-shadow:var(--shadow-xl)}.chat-bubble::before{content:"";position:absolute;top:-4px;right:-4px;width:16px;height:16px;background:var(--danger);border-radius:var(--radius-full);border:2px solid var(--bg-white)}.chat-bubble svg{width:28px;height:28px;fill:var(--text-white)}.chat-panel{position:absolute;bottom:76px;right:0;width:340px;background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);overflow:hidden;transform:scale(0) translateY(20px);transform-origin:bottom right;transition:var(--transition);opacity:0}.chat-panel.open{transform:scale(1) translateY(0);opacity:1}.chat-header{background:var(--grad-primary);padding:var(--space-lg);color:var(--text-white)}.chat-header-title{font-size:1.05rem;font-weight:700;display:flex;align-items:center;gap:var(--space-sm)}.chat-header-status{font-size:0.8rem;color:rgba(255,255,255,0.8);display:flex;align-items:center;gap:var(--space-xs);margin-top:var(--space-xs)}.chat-header-status .dot{width:8px;height:8px;background:#4ade80;border-radius:50%}.chat-body{padding:var(--space-lg);max-height:280px;overflow-y:auto}.chat-message{background:var(--bg-light);padding:var(--space-md);border-radius:var(--radius-md);font-size:0.9rem;color:var(--text-secondary);margin-bottom:var(--space-md);line-height:1.6}.chat-actions{display:flex;flex-direction:column;gap:var(--space-sm)}.chat-action{padding:10px var(--space-md);background:var(--primary-bg);color:var(--primary);border-radius:var(--radius-md);font-size:0.875rem;font-weight:500;cursor:pointer;transition:var(--transition);border:none;text-align:left}.chat-action:hover{background:var(--primary);color:var(--text-white)}.chat-footer{padding:var(--space-md) var(--space-lg);border-top:1px solid var(--border-light);display:flex;gap:var(--space-sm)}.chat-input{flex:1;padding:10px var(--space-md);border:1px solid var(--border);border-radius:var(--radius-md);font-size:0.9rem}.chat-input:focus{border-color:var(--primary)}.chat-send{padding:10px var(--space-md);background:var(--primary);color:var(--text-white);border-radius:var(--radius-md);font-weight:600;font-size:0.875rem;cursor:pointer;transition:var(--transition)}.chat-send:hover{background:var(--primary-dark)}.social-share-bar{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) 0}.social-share-label{font-size:0.9rem;color:var(--text-muted);margin-right:var(--space-xs)}.social-share-btn{width:36px;height:36px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);border:1px solid var(--border)}.social-share-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.social-share-btn.wechat{background:#07c160;border-color:#07c160}.social-share-btn.weibo{background:#e6162d;border-color:#e6162d}.social-share-btn.qq{background:#12b7f5;border-color:#12b7f5}.social-share-btn.link{background:var(--bg-light)}.social-share-btn svg{width:18px;height:18px;fill:var(--text-white)}.social-share-btn.link svg{fill:var(--text-secondary)}.marketing-popup{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);z-index:2000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:var(--transition);padding:var(--space-lg)}.marketing-popup.open{opacity:1;visibility:visible}.marketing-popup-content{background:var(--bg-white);border-radius:var(--radius-xl);max-width:440px;width:100%;overflow:hidden;transform:scale(0.9);transition:var(--transition);position:relative}.marketing-popup.open .marketing-popup-content{transform:scale(1)}.marketing-popup-header{background:var(--grad-secondary);padding:var(--space-2xl) var(--space-xl) var(--space-xl);text-align:center;color:var(--text-white)}.marketing-popup-badge{display:inline-block;padding:4px 16px;background:rgba(255,255,255,0.2);border-radius:var(--radius-full);font-size:0.8rem;font-weight:600;margin-bottom:var(--space-md)}.marketing-popup-title{font-size:1.6rem;font-weight:800;margin-bottom:var(--space-xs)}.marketing-popup-subtitle{font-size:0.95rem;opacity:0.85}.marketing-popup-body{padding:var(--space-xl);text-align:center}.marketing-popup-features{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-lg);text-align:left}.marketing-popup-feature{display:flex;align-items:center;gap:var(--space-sm);font-size:0.95rem;color:var(--text-secondary)}.marketing-popup-feature svg{width:20px;height:20px;fill:var(--success);flex-shrink:0}.marketing-popup-close{position:absolute;top:var(--space-md);right:var(--space-md);width:32px;height:32px;background:rgba(255,255,255,0.2);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-white);font-size:1.2rem;transition:var(--transition);z-index:3}.marketing-popup-close:hover{background:rgba(255,255,255,0.3);transform:rotate(90deg)}.article-container{max-width:800px;margin:0 auto;padding:calc(var(--nav-height) + 40px) 0 60px}.article-header{margin-bottom:var(--space-xl)}.article-category{display:inline-block;padding:4px 14px;background:var(--primary-bg);color:var(--primary);border-radius:var(--radius-full);font-size:0.8rem;font-weight:600;margin-bottom:var(--space-md)}.article-title{font-size:2rem;font-weight:800;line-height:1.3;margin-bottom:var(--space-md);color:var(--text-primary)}.article-meta{display:flex;align-items:center;gap:var(--space-md);font-size:0.85rem;color:var(--text-muted);padding-bottom:var(--space-lg);border-bottom:1px solid var(--border-light)}.article-meta-item{display:flex;align-items:center;gap:var(--space-xs)}.article-body{font-size:1rem;line-height:1.85;color:var(--text-secondary)}.article-body h2{font-size:1.5rem;margin:var(--space-xl) 0 var(--space-md);color:var(--text-primary)}.article-body h3{font-size:1.2rem;margin:var(--space-lg) 0 var(--space-sm);color:var(--text-primary)}.article-body p{margin-bottom:var(--space-md)}.article-body ul,.article-body ol{margin-bottom:var(--space-md);padding-left:var(--space-lg)}.article-body li{margin-bottom:var(--space-sm);list-style:disc}.article-body blockquote{border-left:4px solid var(--primary);padding:var(--space-md) var(--space-lg);background:var(--bg-light);border-radius:0 var(--radius-md) var(--radius-md) 0;margin-bottom:var(--space-md);color:var(--text-secondary);font-style:italic}.article-body img{border-radius:var(--radius-md);margin:var(--space-md) 0}.article-cta{margin:var(--space-xl) 0;padding:var(--space-xl);background:var(--primary-bg);border-radius:var(--radius-lg);text-align:center;border:1px solid var(--primary-light)}.article-cta p{margin-bottom:var(--space-md);color:var(--text-primary);font-weight:600}.article-footer{margin-top:var(--space-2xl);padding-top:var(--space-lg);border-top:1px solid var(--border-light)}.article-tags{display:flex;flex-wrap:wrap;gap:var(--space-sm);margin-bottom:var(--space-lg)}.article-tag{padding:4px 12px;background:var(--bg-light);border-radius:var(--radius-full);font-size:0.8rem;color:var(--text-secondary);text-decoration:none;transition:var(--transition)}.article-tag:hover{background:var(--primary-bg);color:var(--primary)}.related-articles{margin-top:var(--space-2xl)}.related-articles-title{font-size:1.3rem;font-weight:700;margin-bottom:var(--space-lg)}.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg)}.related-card{display:block;padding:var(--space-lg);background:var(--bg-light);border-radius:var(--radius-md);text-decoration:none;transition:var(--transition);border:1px solid var(--border-light)}.related-card:hover{background:var(--bg-white);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.related-card-title{font-size:0.95rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xs);line-height:1.4}.related-card-meta{font-size:0.8rem;color:var(--text-muted)}.comments{margin-top:var(--space-2xl)}.comments-title{font-size:1.3rem;font-weight:700;margin-bottom:var(--space-lg)}.comment-form{margin-bottom:var(--space-xl)}.comment-form textarea{width:100%;min-height:100px;padding:var(--space-md);border:1px solid var(--border);border-radius:var(--radius-md);font-size:0.95rem;resize:vertical;margin-bottom:var(--space-md);font-family:inherit}.comment-form textarea:focus{border-color:var(--primary)}.comment-item{display:flex;gap:var(--space-md);padding:var(--space-md) 0;border-bottom:1px solid var(--border-light)}.comment-avatar{width:40px;height:40px;border-radius:var(--radius-full);background:var(--grad-primary);display:flex;align-items:center;justify-content:center;color:var(--text-white);font-weight:700;font-size:0.9rem;flex-shrink:0}.comment-content{flex:1}.comment-author{font-weight:600;font-size:0.9rem;color:var(--text-primary)}.comment-date{font-size:0.75rem;color:var(--text-muted)}.comment-text{font-size:0.9rem;color:var(--text-secondary);margin-top:var(--space-xs);line-height:1.6}.articles-page{padding:calc(var(--nav-height) + 40px) 0 60px}.articles-header{text-align:center;margin-bottom:var(--space-2xl)}.articles-header h1{font-size:2rem;margin-bottom:var(--space-sm)}.articles-header p{color:var(--text-muted)}.articles-filter{display:flex;flex-wrap:wrap;gap:var(--space-md);align-items:center;margin-bottom:var(--space-xl);padding:var(--space-lg);background:var(--bg-light);border-radius:var(--radius-lg)}.filter-group{display:flex;align-items:center;gap:var(--space-sm)}.filter-label{font-size:0.875rem;font-weight:600;color:var(--text-secondary);white-space:nowrap}.filter-select{padding:8px var(--space-md);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-white);font-size:0.875rem;color:var(--text-primary);cursor:pointer}.filter-select:focus{border-color:var(--primary)}.search-box{flex:1;min-width:200px;position:relative}.search-box input{width:100%;padding:8px var(--space-md) 8px 38px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:0.875rem;background:var(--bg-white)}.search-box input:focus{border-color:var(--primary)}.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;fill:var(--text-muted)}.article-card{display:flex;gap:var(--space-lg);padding:var(--space-lg);background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition);margin-bottom:var(--space-md);border:1px solid var(--border-light);text-decoration:none;color:inherit}.article-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.article-card-thumb{width:180px;height:120px;border-radius:var(--radius-md);background:var(--grad-primary);flex-shrink:0;position:relative;overflow:hidden}.article-card-thumb::after{content:attr(data-icon);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:2.5rem}.article-card-body{flex:1;display:flex;flex-direction:column}.article-card-category{display:inline-block;padding:2px 10px;background:var(--primary-bg);color:var(--primary);border-radius:var(--radius-full);font-size:0.75rem;font-weight:600;margin-bottom:var(--space-sm);align-self:flex-start}.article-card-title{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-xs);line-height:1.4}.article-card-excerpt{font-size:0.875rem;color:var(--text-secondary);line-height:1.6;margin-bottom:var(--space-sm);flex:1}.article-card-meta{display:flex;align-items:center;gap:var(--space-md);font-size:0.8rem;color:var(--text-muted)}.pagination{display:flex;justify-content:center;align-items:center;gap:var(--space-sm);margin-top:var(--space-xl)}.pagination a,.pagination span{display:flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 var(--space-sm);border-radius:var(--radius-md);font-size:0.9rem;color:var(--text-secondary);text-decoration:none;border:1px solid var(--border);background:var(--bg-white);transition:var(--transition)}.pagination a:hover{border-color:var(--primary);color:var(--primary)}.pagination .active{background:var(--primary);color:var(--text-white);border-color:var(--primary)}.pagination .disabled{opacity:0.4;cursor:not-allowed}.error-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--grad-hero);text-align:center;padding:var(--space-lg)}.error-content{max-width:520px}.error-code{font-size:8rem;font-weight:800;color:var(--text-white);line-height:1;margin-bottom:var(--space-md);text-shadow:0 4px 30px rgba(0,0,0,0.3)}.error-title{font-size:1.8rem;font-weight:700;color:var(--text-white);margin-bottom:var(--space-md)}.error-desc{font-size:1.05rem;color:rgba(255,255,255,0.75);margin-bottom:var(--space-xl);line-height:1.7}.error-actions{display:flex;gap:var(--space-md);justify-content:center;flex-wrap:wrap}.error-suggestions{margin-top:var(--space-2xl);padding-top:var(--space-xl);border-top:1px solid rgba(255,255,255,0.15)}.error-suggestions h3{color:var(--text-white);font-size:1rem;margin-bottom:var(--space-md)}.error-suggestions ul{display:flex;flex-direction:column;gap:var(--space-sm)}.error-suggestions a{color:rgba(255,255,255,0.7);font-size:0.9rem;transition:var(--transition)}.error-suggestions a:hover{color:var(--text-white)}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}.skeleton-text{height:14px;margin-bottom:var(--space-sm)}.skeleton-title{height:24px;width:60%;margin-bottom:var(--space-md)}.skeleton-card{padding:var(--space-xl);border-radius:var(--radius-lg);border:1px solid var(--border-light)}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{from{opacity:0;transform:translateX(-30px)}to{opacity:1;transform:translateX(0)}}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(1.2)}}@keyframes phone-pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,107,53,0.5)}50%{box-shadow:0 0 0 15px rgba(255,107,53,0)}}@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}@keyframes chat-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes rotate{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}.animate-fadeIn{animation:fadeIn 0.6s ease forwards}.animate-slideUp{animation:slideUp 0.6s ease forwards}.animate-slideDown{animation:slideDown 0.4s ease forwards}.animate-slideInLeft{animation:slideInLeft 0.5s ease forwards}.animate-pulse{animation:pulse 2s ease-in-out infinite}.delay-100{animation-delay:0.1s;opacity:0}.delay-200{animation-delay:0.2s;opacity:0}.delay-300{animation-delay:0.3s;opacity:0}.delay-400{animation-delay:0.4s;opacity:0}.delay-500{animation-delay:0.5s;opacity:0}.delay-600{animation-delay:0.6s;opacity:0}.hidden{display:none !important}.block{display:block !important}.rounded{border-radius:var(--radius-md)}.rounded-full{border-radius:var(--radius-full)}.shadow-sm{box-shadow:var(--shadow-sm)}.shadow-md{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}.overflow-hidden{overflow:hidden}.position-relative{position:relative}.position-absolute{position:absolute}.bg-primary{background:var(--primary) !important}.bg-secondary{background:var(--secondary) !important}.bg-light{background:var(--bg-light) !important}.bg-dark{background:var(--bg-dark) !important}.bg-white{background:var(--bg-white) !important}.grad-primary{background:var(--grad-primary) !important}.grad-secondary{background:var(--grad-secondary) !important}@media (max-width:1024px){h1{font-size:2.2rem}.hero-title{font-size:2.5rem}.grid-4{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-grid .footer-col:nth-child(4){grid-column:span 3}}@media (max-width:768px){:root{--space-3xl:48px;--space-2xl:32px}h1{font-size:1.8rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.container{padding:0 var(--space-md)}.nav-menu{position:fixed;top:var(--nav-height);left:0;right:0;background:var(--bg-white);flex-direction:column;padding:var(--space-lg);gap:var(--space-md);transform:translateY(-100%);opacity:0;visibility:hidden;transition:var(--transition);box-shadow:var(--shadow-md);border-bottom:1px solid var(--border-light)}.nav-menu.open{transform:translateY(0);opacity:1;visibility:visible}.nav-toggle{display:flex}.nav-phone{width:100%;justify-content:center;margin-top:var(--space-sm)}.hero{min-height:500px;padding:calc(var(--nav-height) + 40px) 0 60px}.hero-title{font-size:1.8rem}.hero-subtitle{font-size:1rem}.hero-stats{flex-wrap:wrap;gap:var(--space-lg)}.hero-stat-num{font-size:1.5rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.grid-auto{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.area-grid{grid-template-columns:repeat(3,1fr)}.process-steps{grid-template-columns:1fr;gap:var(--space-lg)}.process-steps::before{display:none}.process-step{display:flex;align-items:center;gap:var(--space-md);text-align:left}.process-step-icon{width:56px;height:56px;margin:0;font-size:1.5rem}.process-step-content{flex:1}.cta-phone{font-size:2rem;padding:var(--space-md) var(--space-lg)}.cta-phone-icon{width:44px;height:44px}.cta-features{flex-direction:column;gap:var(--space-sm)}.footer-grid{grid-template-columns:1fr;gap:var(--space-xl)}.footer-bottom{flex-direction:column;text-align:center}.article-card{flex-direction:column}.article-card-thumb{width:100%;height:160px}.related-grid{grid-template-columns:1fr}.articles-filter{flex-direction:column;align-items:stretch}.filter-group{width:100%}.filter-select,.search-box input{width:100%}.chat-panel{width:calc(100vw - 48px);max-width:340px}.error-code{font-size:5rem}.error-title{font-size:1.4rem}.error-actions{flex-direction:column}.error-actions .btn{width:100%}}@media (max-width:480px){:root{--space-3xl:40px;--space-2xl:24px;--space-xl:20px}h1{font-size:1.5rem}h2{font-size:1.25rem}.container{padding:0 var(--space-sm)}.hero-title{font-size:1.5rem}.hero-cta-group{flex-direction:column}.hero-cta-group .btn{width:100%}.hero-stats{flex-direction:column;gap:var(--space-md)}.area-grid{grid-template-columns:repeat(2,1fr)}.cta-phone{font-size:1.5rem;flex-direction:column;gap:var(--space-sm);padding:var(--space-lg)}.cta-phone-icon{width:40px;height:40px}.cta-phone-icon svg{width:20px;height:20px}.section-title{font-size:1.4rem}.btn-lg{padding:12px 28px;font-size:1rem}.article-card-thumb{height:130px}.pagination a,.pagination span{min-width:36px;height:36px;font-size:0.8rem}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-light)}::-webkit-scrollbar-thumb{background:var(--text-light);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background:var(--primary);color:var(--text-white)}@media print{.navbar,.chat-widget,.marketing-popup,.cta-section,.footer,.nav-toggle,.social-share-bar{display:none !important}.hero{min-height:auto;padding:var(--space-lg) 0}body{color:#000;background:#fff}}