:root{--primary:#0a1628;--primary-light:#132042;--primary-mid:#1a2d54;--accent:#f15a24;--accent-light:#ff7a3d;--accent-dark:#c44a1d;--bg-white:#ffffff;--bg-light:#f5f7fa;--bg-dark:#0a1628;--text:#1a1a2e;--text-gray:#5a6a7e;--text-light:#8a9aaa;--border:#e0e4ea;--border-dark:#2a3a54;--shadow:0 2px 12px rgba(0,0,0,0.06);--shadow-lg:0 4px 24px rgba(0,0,0,0.1);--radius:4px;--radius-lg:8px;--transition:0.2s ease;--font:'Segoe UI',Roboto,-apple-system,BlinkMacSystemFont,Arial,'Noto Sans SC','Microsoft YaHei','PingFang SC','Noto Sans',sans-serif;--container:1200px;--header-h:62px}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:'Segoe UI',Roboto,-apple-system,BlinkMacSystemFont,Arial,sans-serif;font-size:15px;line-height:1.6;color:var(--text);background:var(--bg-white);-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}ul{list-style:none}.container{max-width:var(--container);margin:0 auto;padding:0 20px}.accent{color:var(--accent)}.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:var(--primary);z-index:1000;border-bottom:1px solid var(--border-dark)}.header-inner{max-width:var(--container);margin:0 auto;padding:0 20px;height:100%;display:flex;align-items:center;gap:20px}.header-inner > .nav{display:flex;align-items:center;gap:4px;height:100%}.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}.logo-icon{width:34px;height:34px;background:var(--accent);color:#fff;font-size:13px;font-weight:800;border-radius:4px;display:flex;align-items:center;justify-content:center;letter-spacing:0.5px}.logo-text{line-height:1.2}.logo-main{font-size:16px;font-weight:700;color:#fff;letter-spacing:0.5px}.logo-sub{font-size:9px;color:var(--text-light);letter-spacing:1px;text-transform:uppercase;white-space:nowrap}.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}.search-wrapper{position:relative}.search-input-group{display:flex;align-items:center;background:var(--primary-light);border:1px solid var(--border-dark);border-radius:var(--radius);padding:0 8px;transition:var(--transition)}.search-input-group:focus-within{border-color:var(--accent);background:var(--primary-mid)}.search-icon{font-size:14px;line-height:1;opacity:0.6;color:#fff}.search-input-group input{background:none;border:none;outline:none;color:#fff;font-size:13px;padding:8px 6px;width:100px;transition:var(--transition)}.search-input-group input:focus{width:160px}.search-input-group input::placeholder{color:var(--text-light);opacity:1}#search-results{position:absolute;top:calc(100% + 4px);left:0;right:0;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);max-height:400px;overflow-y:auto;display:none;z-index:2000}#search-results.active{display:block}.search-empty{padding:16px;color:var(--text-gray);font-size:13px;text-align:center}.search-item{display:block;padding:10px 14px;border-bottom:1px solid var(--border);transition:var(--transition)}.search-item:last-child{border-bottom:none}.search-item:hover{background:var(--bg-light)}.search-model{font-weight:700;color:var(--accent);font-size:12px}.search-name{display:block;font-weight:600;color:var(--text);font-size:14px}.search-desc{display:block;font-size:12px;color:var(--text-gray);margin-top:2px}.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:4px}.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:1px;transition:var(--transition)}.nav{display:flex;align-items:center;gap:4px;height:100%;margin-left:auto}.nav > a,.nav .dropdown-toggle{color:var(--text-light);font-size:13px;font-weight:500;padding:0 12px;height:100%;display:flex;align-items:center;cursor:pointer;transition:color 0.15s;white-space:nowrap}.nav > a:hover,.nav > a.active,.nav .dropdown-toggle:hover{color:#fff}.nav > a.active{border-bottom:2px solid var(--accent)}.dropdown{position:relative;height:100%;display:flex;align-items:center}.dropdown-menu{position:absolute;top:100%;left:0;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:200px;display:none;z-index:2000;padding:6px 0}.dropdown:hover .dropdown-menu{display:block}.dropdown-menu a{display:block;padding:10px 16px;font-size:13px;color:var(--text);transition:var(--transition);white-space:nowrap}.dropdown-menu a:hover{background:var(--bg-light);color:var(--accent)}.dropdown-menu a.active{color:var(--accent);font-weight:600}.lang-switch{position:relative;flex-shrink:0}#lang-toggle{cursor:pointer;color:var(--text-light);font-size:12px;padding:4px 8px;border:1px solid var(--border-dark);border-radius:var(--radius);background:var(--primary-light);transition:var(--transition);white-space:nowrap;user-select:none}#lang-toggle:hover{border-color:var(--accent);color:#fff}.dropdown-arrow{font-size:10px;margin-left:2px}.lang-menu{position:absolute;top:calc(100% + 4px);right:0;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:140px;display:none;z-index:2000}.lang-menu.active{display:block}.lang-menu a{display:block;padding:10px 14px;font-size:13px;color:var(--text);transition:var(--transition)}.lang-menu a:hover{background:var(--bg-light)}.lang-menu a.active{color:var(--accent);font-weight:600}@media (max-width:768px){.nav-toggle{display:flex}.search-input-group input:focus{width:100px}.nav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:var(--primary);flex-direction:column;align-items:stretch;gap:0;padding:16px;display:none;overflow-y:auto;z-index:1001;height:auto}.nav.open{display:flex}.nav > a,.nav .dropdown-toggle{padding:14px 0;border-bottom:1px solid var(--border-dark);height:auto}.nav > a.active{border-bottom:2px solid var(--accent)}.dropdown{height:auto;flex-direction:column;align-items:stretch}.dropdown-menu{position:static;box-shadow:none;background:transparent;min-width:auto;display:none;padding-left:16px}.dropdown.open .dropdown-menu{display:block}.dropdown-menu a{color:var(--text-light);padding:10px 0}}.hero{margin-top:var(--header-h);min-height:72vh;display:flex;align-items:center;background:var(--primary);position:relative;overflow:hidden}.hero-split{display:flex;align-items:center;gap:0;width:100%;position:relative;z-index:1}.hero-left{flex:0 0 45%;max-width:45%;text-align:left;padding:40px 0}.hero-left h1{font-size:2.6rem;font-weight:800;color:#fff;line-height:1.2;margin-bottom:18px}.hero-left .hero-subtitle{color:var(--text-light);font-size:1rem;line-height:1.7;margin-bottom:30px;max-width:460px;margin-left:0;margin-right:0}.hero-left .hero-buttons{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-start}.hero-right{flex:1;display:flex;justify-content:center;align-items:center;position:relative}.hero-image-wrap{position:relative;max-width:85%;display:flex;align-items:center;justify-content:center}.hero-image-wrap::before{content:'A';position:absolute;inset:0;background:linear-gradient(to left,transparent 60%,var(--primary) 100%);pointer-events:none;z-index:2}.hero-img{width:100%;height:auto;display:block;position:relative;z-index:1}.hero-right::after{content:'A';position:absolute;width:80%;height:80%;top:10%;left:10%;background:radial-gradient(ellipse at center,rgba(241,90,36,0.10) 0%,transparent 70%);pointer-events:none;z-index:0}.hero::before{content:'A';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,0.025) 1px,transparent 1px);background-size:50px 50px;pointer-events:none;z-index:0}@media (max-width:900px){.hero-split{flex-direction:column}.hero-left{flex:none;max-width:100%;text-align:center;padding-bottom:20px}.hero-left .hero-subtitle{margin-left:auto;margin-right:auto}.hero-left .hero-buttons{justify-content:center}.hero-image-wrap{max-width:70%}.hero-image-wrap::before{background:linear-gradient(to top,transparent 40%,var(--primary) 100%)}}@media (max-width:500px){.hero-image-wrap{max-width:100%}.hero-left h1{font-size:1.8rem}.hero{min-height:60vh}}.btn,.btn-outline{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 50%,var(--primary-mid) 100%);align-items:center;gap:6px;padding:12px 24px;font-size:14px;font-weight:600;border-radius:var(--radius);transition:var(--transition);cursor:pointer;border:none;font-family:inherit}.btn{background:var(--accent);color:#fff}.btn:hover{background:var(--accent-light)}.btn-outline{border:1px solid var(--accent);color:#fff;background:transparent}.btn-outline:hover{background:var(--accent);color:#fff}.btn-link{color:var(--accent);font-weight:600;font-size:13px;display:inline-flex;align-items:center;gap:4px;transition:var(--transition)}.btn-link:hover{gap:8px}.btn-submit{width:100%;padding:14px 24px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;border:none;border-radius:var(--radius);cursor:pointer;font-family:inherit;transition:var(--transition)}.btn-submit:hover{background:var(--accent-light)}.section{padding:60px 0}.section-title{font-size:1.6rem;font-weight:700;color:var(--primary);text-align:center;margin-bottom:8px}.section-subtitle{text-align:center;color:var(--text-gray);margin-bottom:36px;font-size:0.95rem}.bg-light{background:var(--bg-light)}.bg-white{background:#fff}.page-header{margin-top:var(--header-h);padding:50px 0;background:var(--primary);text-align:center}.page-header h1{color:#fff;font-size:1.8rem;font-weight:700;margin-bottom:8px}.page-header p{color:var(--text-light);font-size:0.95rem;max-width:600px;margin:0 auto}.breadcrumb{padding:12px 0;font-size:13px;color:var(--text-gray)}.breadcrumb a{color:var(--accent)}.breadcrumb a:hover{text-decoration:underline}.breadcrumb span{margin:0 6px;color:var(--text-light)}.categories-section{padding:80px 0}.categories-section .section-subtitle{margin-bottom:44px}.categories-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--border);border-left:1px solid var(--border)}@media (max-width:900px){.categories-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:500px){.categories-grid{grid-template-columns:1fr}}.cat-cell{display:flex;align-items:center;gap:18px;padding:28px 24px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff;transition:background 0.2s ease,box-shadow 0.2s ease;min-height:90px}.cat-cell:hover{background:var(--bg-light);box-shadow:inset 0 0 0 1px var(--accent);border-color:var(--accent);position:relative;z-index:1}.cat-cell-icon{flex-shrink:0;width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--accent);opacity:0.8;transition:opacity 0.2s ease}.cat-cell:hover .cat-cell-icon{opacity:1}.cat-cell-body{flex:1;min-width:0}.cat-cell-body h3{font-size:0.9rem;font-weight:700;color:var(--primary);margin-bottom:4px;letter-spacing:0.3px}.cat-cell-tags{display:flex;flex-wrap:wrap;gap:4px}.cat-cell-tags li{font-size:11px;color:var(--text-gray);padding:1px 8px;border:1px solid var(--border);border-radius:2px}.cat-cell-arrow{flex-shrink:0;font-size:14px;color:var(--text-light);opacity:0;transform:translateX(-6px);transition:all 0.2s ease}.cat-cell:hover .cat-cell-arrow{opacity:1;color:var(--accent);transform:translateX(0)}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.product-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition);overflow:hidden}.product-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.product-card > a{display:block}.card-img{background:var(--bg-light);aspect-ratio:4/3;overflow:hidden}.card-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}.product-card:hover .card-img img{transform:scale(1.03)}.card-body{padding:16px}.card-body h3{font-size:0.95rem;font-weight:700;color:var(--primary);margin-bottom:4px}.card-body .model{font-size:12px;color:var(--accent);font-weight:600;margin-bottom:6px}.card-body p{font-size:13px;color:var(--text-gray);line-height:1.5;margin-bottom:8px}.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}.feature-item{text-align:center;padding:24px 20px;border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition)}.feature-item:hover{border-color:var(--accent);box-shadow:var(--shadow)}.feature-item .icon{font-size:2.2rem;margin-bottom:12px}.feature-item h3{font-size:1rem;font-weight:700;color:var(--primary);margin-bottom:6px}.feature-item p{font-size:13px;color:var(--text-gray);line-height:1.5}.stats-row{display:flex;gap:32px;justify-content:center;margin-top:28px;flex-wrap:wrap}.stat-item{text-align:center}.stat-number{font-size:1.8rem;font-weight:800;color:var(--accent)}.stat-label{font-size:12px;color:var(--text-gray);text-transform:uppercase;letter-spacing:0.5px;margin-top:2px}.cta-section{background:var(--primary);padding:56px 20px;text-align:center}.cta-section h2{color:#fff;font-size:1.5rem;font-weight:700;margin-bottom:10px}.cta-section p{color:var(--text-light);font-size:0.95rem;max-width:520px;margin:0 auto 24px}.contact-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:40px;align-items:start}@media (max-width:768px){.contact-layout{grid-template-columns:1fr;gap:28px}}.contact-info h3{color:var(--primary);font-size:1.05rem;margin-bottom:16px}.info-item{display:flex;flex-direction:column;gap:2px;padding:10px 0;border-bottom:1px solid var(--border)}.info-item .label{font-size:12px;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-gray)}.info-item .value{font-size:14px;color:var(--text)}.info-item .value a{color:var(--accent)}.info-item .value a:hover{text-decoration:underline}.inquiry-form{margin-top:20px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}@media (max-width:500px){.form-row{grid-template-columns:1fr}}.inquiry-form input,.inquiry-form textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;color:var(--text);background:#fff;transition:var(--transition)}.inquiry-form input:focus,.inquiry-form textarea:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(241,90,36,0.12);outline:none}.inquiry-form input::placeholder,.inquiry-form textarea::placeholder{color:var(--text-light)}.inquiry-form input[readonly]{background:var(--bg-light);color:var(--text-gray)}.inquiry-form textarea{min-height:100px;resize:vertical;margin-bottom:12px}.product-detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-bottom:40px}@media (max-width:768px){.product-detail-layout{grid-template-columns:1fr}}.product-gallery .main-img{background:var(--bg-light);border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3}.product-gallery .main-img img{width:100%;height:100%;object-fit:cover}.product-info h1{font-size:1.4rem;font-weight:700;color:var(--primary);margin-bottom:6px}.product-brand{font-size:14px;color:var(--text-gray);margin-bottom:12px}.product-model-tag{display:inline-block;background:var(--accent);color:#fff;padding:4px 10px;font-size:12px;font-weight:600;border-radius:var(--radius);margin-bottom:16px}.specs-table{width:100%;border-collapse:collapse;margin-top:20px;font-size:14px}.specs-table th{background:var(--primary);color:#fff;padding:10px 14px;text-align:left;font-weight:600;font-size:13px}.specs-table td{padding:8px 14px;border-bottom:1px solid var(--border)}.specs-table tr:nth-child(even) td{background:var(--bg-light)}.specs-table td:first-child{font-weight:600;color:var(--primary);width:45%}.product-description{font-size:14px;line-height:1.8;color:var(--text-gray)}.product-description ul{list-style:disc;padding-left:20px;margin:8px 0}.product-description ul li{margin-bottom:4px}.product-description img{margin:16px 0;border-radius:var(--radius);border:1px solid var(--border)}.related-section{margin-top:40px;padding-top:30px;border-top:1px solid var(--border)}.related-section h2{font-size:1.2rem;color:var(--primary);margin-bottom:18px}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.product-inquiry{margin-top:40px;padding:30px;background:var(--bg-light);border-radius:var(--radius-lg);border:1px solid var(--border)}.product-inquiry h3{font-size:1.1rem;color:var(--primary);margin-bottom:20px}.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}.news-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.news-card .card-img{aspect-ratio:16/9}.news-card .card-body{padding:20px}.news-card .date{font-size:12px;color:var(--text-gray);margin-bottom:6px}.news-card h3{font-size:1rem;font-weight:700;color:var(--primary);margin-bottom:8px;line-height:1.4}.news-card p{font-size:13px;color:var(--text-gray);line-height:1.6;margin-bottom:10px}.error-page{margin-top:var(--header-h);min-height:calc(100vh - var(--header-h) - 200px);display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 20px}.error-page h1{font-size:5rem;font-weight:800;color:var(--accent);line-height:1}.error-page h2{font-size:1.5rem;color:var(--primary);margin:8px 0 12px}.error-page p{color:var(--text-gray);margin-bottom:24px}.site-footer{background:var(--primary);color:var(--text-light);padding:48px 0 20px;font-size:13px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;margin-bottom:32px}@media (max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}@media (max-width:500px){.footer-grid{grid-template-columns:1fr}}.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:12px}.footer-col p{line-height:1.7}.footer-col a{display:block;margin-bottom:6px;transition:var(--transition)}.footer-col a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid var(--border-dark);padding-top:16px;text-align:center;font-size:12px}.no-products{padding:40px;text-align:center;color:var(--text-gray);.about-intro{display:flex;gap:50px;align-items:flex-start}.about-text{flex:1;max-width:680px}.about-text p{color:var(--text-gray);line-height:1.9;font-size:0.95rem;margin-bottom:14px}.about-stats{flex-shrink:0;padding-top:50px}.about-stats .stats-row{flex-direction:column;gap:20px}.about-stats .stat-item{text-align:left;display:flex;align-items:center;gap:14px}.about-stats .stat-number{min-width:60px}@media (max-width:768px){.about-intro{flex-direction:column;gap:20px}.about-stats{padding-top:0;width:100%}.about-stats .stats-row{flex-direction:row;flex-wrap:wrap;gap:24px}.about-stats .stat-item{flex-direction:column;text-align:center;gap:4px}}.features-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.feature-block{display:flex;align-items:flex-start;gap:20px;padding:20px 24px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition)}.feature-block:hover{border-color:var(--accent);box-shadow:var(--shadow)}.feature-block-icon{flex-shrink:0;width:44px;height:44px;background:var(--bg-light);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.3rem}.feature-block-body h3{font-size:0.95rem;font-weight:700;color:var(--primary);margin-bottom:4px}.feature-block-body p{font-size:0.88rem;color:var(--text-gray);line-height:1.6}.about-mission{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}@media (max-width:768px){.about-mission{grid-template-columns:1fr}}.mission-card{padding:28px 24px;background:var(--bg-light);border-radius:var(--radius);border-top:3px solid var(--accent)}.mission-card h3{font-size:1rem;font-weight:700;color:var(--primary);margin-bottom:8px}.mission-card p{font-size:0.88rem;color:var(--text-gray);line-height:1.7}}@media (max-width:768px){*{-webkit-tap-highlight-color:transparent}input,select,textarea,button{font-size:16px !important}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:1000}}