:root{--primary-blue: #003366;--primary-blue-dark: #002244;--primary-blue-light: #004080;--accent-blue: #005b9f;--bg-gray: #F4F7F9;--bg-white: #ffffff;--text-primary: #1a1a1a;--text-secondary: #4a5568;--text-muted: #718096;--border-color: #e2e8f0;--border-light: #edf2f7;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .15);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--font-mono: "SF Mono", "Consolas", "Monaco", monospace}.hero-section{background-image:url(/image/%E4%BA%8C%E7%BA%A7hero.jpg)}.brand-switcher{background:var(--bg-white);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1100;box-shadow:var(--shadow-sm)}.brand-switcher-container{max-width:1400px;margin:0 auto;padding:0 24px}.brand-tabs{display:flex;position:relative;max-width:600px;margin:0 auto}.brand-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;padding:20px 16px;font-size:15px;font-weight:600;color:var(--text-secondary);background:none;border:none;cursor:pointer;transition:all var(--transition-normal);position:relative;z-index:1}.brand-tab:hover{color:var(--primary-blue);background:#00336608}.brand-tab.active{color:var(--primary-blue)}.brand-tab-icon{font-size:12px;opacity:.7}.brand-tab-badge{font-size:11px;font-weight:500;padding:3px 8px;background:var(--bg-gray);border-radius:20px;color:var(--text-muted);transition:all var(--transition-normal)}.brand-tab.active .brand-tab-badge{background:var(--primary-blue);color:#fff}.brand-indicator{position:absolute;bottom:0;height:3px;background:var(--primary-blue);transition:all var(--transition-slow);width:50%;left:0}.products-section{background:var(--bg-gray);padding:40px 24px;min-height:calc(100vh - 300px)}.products-wrapper{max-width:1400px;margin:0 auto}.products-main{display:flex;flex-direction:row;gap:32px}.mobile-filter-toggle{display:none;align-items:center;gap:8px;padding:12px 20px;background:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:14px;font-weight:500;color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);margin-bottom:20px;width:-moz-fit-content;width:fit-content}.mobile-filter-toggle:hover{border-color:var(--primary-blue);color:var(--primary-blue)}.products-sidebar{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);position:sticky;top:100px;flex-shrink:0;width:260px;max-height:calc(100vh - 140px);overflow-y:auto;align-self:start}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 16px;border-bottom:1px solid var(--border-light)}.sidebar-title{font-size:16px;font-weight:700;color:var(--text-primary);margin:0}.sidebar-close{display:none;background:none;border:none;padding:4px;cursor:pointer;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast)}.sidebar-close:hover{background:var(--bg-gray);color:var(--text-primary)}.sidebar-nav{padding:12px 0}.sidebar-menu{list-style:none;padding:0;margin:0}.sidebar-item{margin:2px 0}.sidebar-item-level1{margin:6px 0;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-fast)}.sidebar-item-level1:hover{box-shadow:var(--shadow-md)}.sidebar-level1-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;color:var(--text-primary);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;background:transparent;position:relative;border-radius:10px;margin:4px 8px}.sidebar-level1-header:hover{background:#0033660d}.sidebar-level1-header.expanded{background:#0033660a}.sidebar-level1-header.active{background:linear-gradient(135deg,#00336614,#0033660a);color:var(--primary-blue)}.sidebar-level1-title{flex:1;padding-right:12px;line-height:1.4;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.sidebar-level1-title:hover{color:var(--primary-blue)}.sidebar-expand-icon{font-size:6px;color:var(--text-muted);transition:all .2s ease;width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:50%;cursor:pointer;flex-shrink:0;margin-left:8px}.sidebar-expand-icon:hover{background:#00336614;color:var(--primary-blue)}.sidebar-level1-header.expanded 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td:last-child{color:var(--text-primary);font-family:var(--font-mono)}.scenarios-list{display:flex;flex-wrap:wrap;gap:12px}.scenario-tag{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:#0033660f;border-radius:20px;font-size:13px;color:var(--primary-blue);font-weight:500}.drawer-footer{display:flex;justify-content:center;padding:24px;border-top:1px solid var(--border-color);background:var(--bg-white)}.action-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 32px;font-size:15px;font-weight:600;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none}.action-btn-primary{background:var(--primary-blue);color:#fff;text-decoration:none}.action-btn-primary:hover{background:var(--primary-blue-dark);transform:translateY(-1px);box-shadow:0 4px 12px #0033664d;color:#fff}.phone-number{font-weight:400;opacity:.9}.action-btn-secondary{background:var(--bg-white);color:var(--primary-blue);border:1px 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#0000001a}.sidebar-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:1100}.sidebar-overlay.active{display:block}.mobile-filter-toggle{display:inline-flex;margin-bottom:20px;padding:12px 24px;font-size:15px;background:var(--primary-blue);color:#fff;border:none}.mobile-filter-toggle:hover{background:var(--primary-blue-dark)}.mobile-filter-toggle svg{stroke:#fff}.agency-grid,.rf-grid{grid-template-columns:repeat(2,1fr);gap:16px}.agency-card-image-wrapper{padding:16px}.agency-card-body{padding:14px}.self-grid{grid-template-columns:1fr;gap:20px}.self-card{flex-direction:row}.self-card-image-wrapper{width:200px;min-width:200px;aspect-ratio:1/1}.self-card-body{padding:20px}.self-card-name{font-size:16px}.self-card-features{gap:12px}.feature-item{font-size:11px;padding:3px .8em}.detail-drawer{width:80%;max-width:600px}.category-title{font-size:18px}.subcategory-title{font-size:13px}}@media (max-width: 768px){.hero-section{padding:60px 16px;background-position:center}.hero-content{padding:0 8px}.hero-title{font-size:1.75rem;margin-bottom:12px}.hero-subtitle{font-size:.9rem}.products-section{padding:20px 12px}.products-wrapper{padding:0}.brand-tabs{max-width:100%}.brand-tab{padding:14px 10px;font-size:13px;gap:6px}.brand-tab-icon{font-size:10px}.brand-tab-badge{display:none}.mobile-filter-toggle{width:100%;justify-content:center;margin-bottom:16px;padding:14px 20px}.agency-grid,.rf-grid{grid-template-columns:repeat(2,1fr);gap:12px}.rf-card-image-wrapper,.rf-card-body{padding:12px}.rf-card-model{font-size:13px}.rf-card-package{font-size:11px}.agency-card{border-radius:var(--radius-sm)}.agency-card-image-wrapper{padding:12px;aspect-ratio:1/1}.agency-card-body{padding:12px}.agency-card-model{font-size:12px;margin-bottom:8px}.agency-card-params{gap:6px}.agency-param{font-size:10px;padding:3px 6px}.self-grid{grid-template-columns:1fr;gap:16px}.self-card{flex-direction:column}.self-card-image-wrapper{width:100%;min-width:auto;aspect-ratio:16/9;padding:16px}.self-card-body{padding:16px}.self-card-name{font-size:15px}.self-card-desc{font-size:13px;margin-bottom:12px}.self-card-features{gap:10px}.feature-icon{width:20px;height:20px;font-size:12px}.detail-drawer{width:100%;max-width:none}.drawer-header{padding:16px 20px}.drawer-title{font-size:16px}.drawer-image-container,.drawer-body{padding:20px}.specs-table{font-size:13px}.drawer-footer{flex-direction:column;padding:16px 20px;gap:10px}.action-btn{width:100%;padding:12px 20px;font-size:13px}.category-header{margin-bottom:16px;padding-bottom:12px}.category-title{font-size:16px}.category-desc{font-size:13px}.subcategory-section{margin-bottom:24px}.subcategory-title{font-size:12px;margin-bottom:12px}}@media (max-width: 480px){.hero-title{font-size:1.5rem}.hero-subtitle{font-size:.85rem}.brand-tab{padding:12px 8px;font-size:12px}.brand-tab-text{display:none}.brand-tab-icon{font-size:14px}.agency-grid,.rf-grid{grid-template-columns:1fr;gap:12px}.agency-card-image-wrapper{aspect-ratio:16/9}.self-card-features{flex-wrap:wrap}}