/* ============================================
   湖北浩钧汽车零部件有限公司 - 前端样式
   Hubei Haojun Auto Parts Co., Ltd.
   ============================================ */

/* Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root {
  --primary: #1a3a5c;
  --primary-dark: #122540;
  --primary-light: #2a5680;
  --accent: #c8a45c;
  --accent-light: #dfc48a;
  --white: #ffffff;
  --black: #1a1a1a;
  --gray-50: #f8f9fa;
  --gray-100: #f0f2f5;
  --gray-200: #e4e6eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.1);
  --transition: all .3s ease;
  --max-width: 1200px;
}

html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;font-size:15px;line-height:1.7;color:var(--gray-700);background:var(--white);-webkit-font-smoothing:antialiased}

.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}

a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-light)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}

/* Typography */
h1{font-size:42px;font-weight:700;line-height:1.2}
h2{font-size:32px;font-weight:700;line-height:1.3}
h3{font-size:22px;font-weight:600;line-height:1.4}
h4{font-size:18px;font-weight:600}
p{margin-bottom:1em}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;font-size:15px;font-weight:500;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:var(--transition);text-align:center;line-height:1.4}
.btn-primary{background:var(--primary);color:var(--white);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);color:var(--white)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.btn-white{background:var(--white);color:var(--primary);border-color:var(--white)}
.btn-white:hover{background:var(--gray-100)}
.btn-lg{padding:16px 36px;font-size:17px;border-radius:var(--radius-lg)}
.btn-sm{padding:6px 16px;font-size:13px}
.btn-block{width:100%}
.btn-danger{background:var(--danger);color:var(--white);border-color:var(--danger)}
.btn-danger:hover{background:#dc2626}

/* Section */
.section-padding{padding:80px 0}
.section-padding-sm{padding:50px 0}
.bg-light{background:var(--gray-50)}
.text-center{text-align:center}
.section-label{display:inline-block;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:2px;color:var(--accent);margin-bottom:12px}
.section-title{font-size:32px;font-weight:700;color:var(--gray-900);margin-bottom:12px}
.section-desc{color:var(--gray-500);font-size:16px;max-width:600px;margin:0 auto}
.section-header{margin-bottom:50px}
.section-header.text-center .section-desc{margin:0 auto}

/* ==========================================
   HEADER
   ========================================== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--white);transition:var(--transition)}
.site-header.scrolled{box-shadow:var(--shadow-lg)}
.header-top{background:var(--primary);padding:6px 0;font-size:13px}
.header-top-inner{display:flex;justify-content:space-between;align-items:center}
.contact-info{display:flex;gap:20px;color:rgba(255,255,255,.85)}
.contact-info span{display:flex;align-items:center;gap:6px}
.lang-switch{display:flex;gap:4px}
.lang-btn{color:rgba(255,255,255,.7);padding:2px 10px;border-radius:4px;font-size:12px;transition:var(--transition)}
.lang-btn:hover,.lang-btn.active{color:var(--white);background:rgba(255,255,255,.15)}
.header-main{padding:0}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo-text{display:flex;align-items:center}
.logo-name{font-size:20px;font-weight:700;color:var(--primary)}
.main-nav{margin-left:auto}
.main-nav>ul{display:flex;align-items:center;gap:4px}
.main-nav>ul>li>a{display:flex;align-items:center;gap:4px;padding:10px 18px;font-size:15px;font-weight:500;color:var(--gray-700);border-radius:var(--radius);transition:var(--transition)}
.main-nav>ul>li>a:hover,.main-nav>ul>li>a.active{color:var(--primary);background:var(--gray-50)}
.dropdown-arrow{transition:transform .2s}
.has-dropdown:hover .dropdown-arrow{transform:rotate(180deg)}

/* Dropdown */
.has-dropdown{position:relative}
.dropdown{position:absolute;top:100%;left:-20px;min-width:600px;background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:20px;opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--transition);z-index:100}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-inner{display:flex;gap:30px;flex-wrap:wrap}
.dropdown-col{flex:1;min-width:150px}
.dropdown-title{font-weight:600;font-size:14px;color:var(--primary);margin-bottom:8px;display:block;padding-bottom:6px;border-bottom:1px solid var(--gray-200)}
.dropdown-col ul li{margin-bottom:2px}
.dropdown-col ul li a{display:block;padding:4px 0;font-size:13px;color:var(--gray-600)}
.dropdown-col ul li a:hover{color:var(--primary)}

/* Mobile menu */
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:10px}
.mobile-menu-btn span{display:block;width:24px;height:2px;background:var(--primary);transition:var(--transition)}
.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.mobile-menu-btn.active span:nth-child(2){opacity:0}
.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ==========================================
   HERO
   ========================================== */
.hero{position:relative;max-width:1920px;height:500px;overflow:hidden;margin:106px auto 0}
.hero-slider{position:relative;height:100%}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease}
.hero-slide.active{opacity:1}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat;transform:scale(1);transition:transform 8s ease}
.hero-slide.active .hero-bg{transform:scale(1.05)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,58,92,.85),rgba(0,0,0,.4))}
.hero .container{position:relative;height:100%;display:flex;align-items:center}
.hero-content{max-width:650px;color:var(--white);animation:fadeInUp .8s ease}
.hero-content h1{font-size:48px;margin-bottom:16px;line-height:1.2}
.hero-content p{font-size:18px;opacity:.9;margin-bottom:32px}
.hero-dots{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;gap:12px;z-index:10}
.hero-dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.4);border:2px solid transparent;cursor:pointer;transition:var(--transition)}
.hero-dot.active{background:var(--white);border-color:var(--accent);transform:scale(1.2)}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:10;background:rgba(255,255,255,.15);color:var(--white);border:none;width:48px;height:48px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.hero-arrow:hover{background:rgba(255,255,255,.3)}
.hero-prev{left:20px}
.hero-next{right:20px}

/* ==========================================
   STATS
   ========================================== */
.stats-section{background:var(--primary);padding:40px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-item{text-align:center;color:var(--white)}
.stat-number{font-size:42px;font-weight:700;margin-bottom:4px}
.stat-label{font-size:14px;opacity:.85}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-image{position:relative}
.about-feature-img{width:100%;aspect-ratio:4/3;border-radius:var(--radius-lg);object-fit:cover;box-shadow:var(--shadow-lg)}
.about-img-placeholder{width:100%;aspect-ratio:4/3;background:linear-gradient(135deg,var(--gray-100),var(--gray-200));border-radius:var(--radius-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--gray-400);gap:16px}
.about-features{margin:24px 0}
.feature-item{display:flex;gap:16px;margin-bottom:20px}
.feature-icon{flex-shrink:0;width:48px;height:48px;background:var(--gray-50);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--primary)}
.feature-text h4{font-size:16px;color:var(--gray-900);margin-bottom:4px}
.feature-text p{font-size:14px;color:var(--gray-500);margin:0}

/* ==========================================
   PRODUCTS
   ========================================== */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}
.product-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.product-card-image{position:relative;display:block;aspect-ratio:1;background:var(--gray-50);overflow:hidden}
.product-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.product-card:hover .product-card-image img{transform:scale(1.05)}
.product-card-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--gray-300)}
.product-badge{position:absolute;top:12px;right:12px;padding:4px 10px;font-size:11px;font-weight:600;border-radius:4px;text-transform:uppercase}
.product-badge.new{background:var(--danger);color:var(--white)}
.product-card-body{padding:16px 20px 20px}
.product-card-category{font-size:12px;color:var(--accent);font-weight:500;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.product-card-title{font-size:17px;font-weight:600;margin-bottom:8px}
.product-card-title a{color:var(--gray-900)}
.product-card-title a:hover{color:var(--primary)}
.product-card-model{font-size:13px;color:var(--gray-500);margin-bottom:12px}

/* ==========================================
   WHY US
   ========================================== */
.why-us-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.why-us-card{text-align:center;padding:40px 24px;border-radius:var(--radius-lg);background:var(--white);box-shadow:var(--shadow-sm);transition:var(--transition)}
.why-us-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.why-us-icon{width:72px;height:72px;border-radius:50%;background:var(--gray-50);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:var(--primary);transition:var(--transition)}
.why-us-card:hover .why-us-icon{background:var(--primary);color:var(--white)}
.why-us-card h3{font-size:18px;color:var(--gray-900);margin-bottom:12px}
.why-us-card p{font-size:14px;color:var(--gray-500);margin:0}

/* ==========================================
   CTA
   ========================================== */
.cta-section{background:var(--primary);padding:80px 0;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.cta-content{position:relative;color:var(--white)}
.cta-content h2{font-size:36px;margin-bottom:16px}
.cta-content p{font-size:18px;opacity:.9;margin-bottom:32px}

/* ==========================================
   PAGE HEADER
   ========================================== */
.page-header{position:relative;padding:80px 0 50px;min-height:200px;display:flex;align-items:center;margin-top:106px}
.page-header-sm{padding:60px 0 30px;min-height:150px}
.page-header-bg{position:absolute;inset:0;opacity:.9}
.page-header .container{position:relative}
.page-header h1{font-size:36px;color:var(--white);margin-bottom:8px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7)}
.breadcrumb a{color:rgba(255,255,255,.9)}
.breadcrumb a:hover{color:var(--white)}
.breadcrumb .separator{opacity:.4}

/* ==========================================
   ABOUT PAGE
   ========================================== */
.about-content-wrap{max-width:900px;margin:0 auto}
.about-rich-text{font-size:16px;line-height:1.8;color:var(--gray-700)}
.about-rich-text p{margin-bottom:1.5em}
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:30px}
.culture-card{text-align:center;padding:40px 30px;border-radius:var(--radius-lg);background:var(--white);box-shadow:var(--shadow-sm);transition:var(--transition)}
.culture-card:hover{box-shadow:var(--shadow-lg)}
.culture-icon{width:64px;height:64px;border-radius:50%;background:var(--gray-50);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:var(--primary)}
.culture-card h3{font-size:20px;margin-bottom:12px;color:var(--gray-900)}
.culture-card p{color:var(--gray-500);margin:0}

/* ==========================================
   PRODUCT PAGE
   ========================================== */
.products-page-layout{display:grid;grid-template-columns:260px 1fr;gap:40px}
.products-sidebar{position:sticky;top:120px;align-self:start}
.sidebar-widget{background:var(--white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}
.sidebar-widget h3{font-size:16px;color:var(--gray-900);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--gray-100)}
.category-tree li{margin-bottom:2px}
.category-tree li a{display:block;padding:8px 12px;font-size:14px;color:var(--gray-600);border-radius:var(--radius);transition:var(--transition)}
.category-tree li a:hover,.category-tree li.active>a{color:var(--primary);background:var(--gray-50);font-weight:500}
.category-tree li ul{margin-top:4px;padding-left:12px}
.category-tree li ul li a{font-size:13px;padding:6px 12px}
.subcategories-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:30px}
.subcategory-card{display:block;padding:20px;text-align:center;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:var(--transition);color:var(--gray-700)}
.subcategory-card:hover{box-shadow:var(--shadow);color:var(--primary)}
.subcategory-card h4{font-size:14px;margin-top:8px}
.subcategories-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.subcategory-tag{padding:6px 16px;background:var(--gray-100);border-radius:20px;font-size:13px;color:var(--gray-600);transition:var(--transition)}
.subcategory-tag:hover{background:var(--primary);color:var(--white)}
.category-section{margin-bottom:60px}
.category-section:last-child{margin-bottom:0}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:40px}
.page-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);font-size:14px;color:var(--gray-600);background:var(--white);border:1px solid var(--gray-200);transition:var(--transition)}
.page-btn:hover{border-color:var(--primary);color:var(--primary)}
.page-btn.active{background:var(--primary);color:var(--white);border-color:var(--primary)}

/* ==========================================
   PRODUCT DETAIL
   ========================================== */
.product-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.product-gallery{position:sticky;top:120px;align-self:start}
.product-main-image{aspect-ratio:1;background:var(--gray-50);border-radius:var(--radius-lg);overflow:hidden;display:flex;align-items:center;justify-content:center}
.product-main-image img{width:100%;height:100%;object-fit:contain}
.product-img-placeholder{width:120px;height:120px;display:flex;align-items:center;justify-content:center;color:var(--gray-300)}
.product-thumbs{display:flex;gap:10px;margin-top:12px}
.product-thumb{width:72px;height:72px;border-radius:var(--radius);overflow:hidden;border:2px solid transparent;cursor:pointer;transition:var(--transition)}
.product-thumb:hover{border-color:var(--primary)}
.product-thumb img{width:100%;height:100%;object-fit:cover}
.product-title{font-size:30px;color:var(--gray-900);margin-bottom:16px}
.product-meta{margin-bottom:16px}
.product-category{display:inline-block;padding:4px 12px;background:var(--gray-100);border-radius:20px;font-size:13px;color:var(--primary);font-weight:500}
.product-model-info{font-size:15px;color:var(--gray-600);margin-bottom:20px;padding:12px 16px;background:var(--gray-50);border-radius:var(--radius)}
.product-description,.product-specs{margin-bottom:24px}
.product-description h3,.product-specs h3{font-size:18px;color:var(--gray-900);margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--gray-100)}
.product-actions{margin-top:30px;display:flex;gap:12px}
.rich-text{font-size:15px;line-height:1.8;color:var(--gray-600)}
.related-products{margin-top:80px;padding-top:50px;border-top:1px solid var(--gray-200)}

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contact-info-col h2,.contact-form-col h2{font-size:28px;color:var(--gray-900);margin-bottom:30px}
.contact-info-list{margin-bottom:40px}
.contact-info-item{display:flex;gap:16px;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--gray-100)}
.contact-info-item:last-child{border:none}
.contact-info-icon{flex-shrink:0;width:44px;height:44px;background:var(--gray-50);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary)}
.contact-info-item h4{font-size:14px;color:var(--gray-500);margin-bottom:4px}
.contact-info-item p,.contact-info-item a{font-size:15px;color:var(--gray-700)}
.contact-form{background:var(--white);padding:30px;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:6px}
.required{color:var(--danger)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 14px;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:14px;font-family:inherit;transition:var(--transition);background:var(--white)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,58,92,.1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-message{padding:12px 16px;border-radius:var(--radius);margin-bottom:18px;font-size:14px}
.form-message.success{background:#ecfdf5;color:#059669;border:1px solid #a7f3d0}
.form-message.error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}

/* Partners */
.partners-section{margin-top:80px;padding-top:50px;border-top:1px solid var(--gray-200)}
.partners-section .section-title{margin-bottom:40px}
.partners-grid{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:30px}
.partner-item{display:flex;align-items:center;justify-content:center;padding:20px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:var(--transition);min-width:140px}
.partner-item:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.partner-item img{max-width:140px;max-height:50px;object-fit:contain;filter:grayscale(1);opacity:.7;transition:var(--transition)}
.partner-item:hover img{filter:grayscale(0);opacity:1}

/* ==========================================
   FOOTER
   ========================================== */
.site-footer{background:var(--gray-900);color:var(--gray-400);padding-top:60px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:40px}
.footer-col h3{color:var(--white);font-size:16px;margin-bottom:20px;position:relative;padding-bottom:12px}
.footer-col h3::after{content:'';position:absolute;bottom:0;left:0;width:36px;height:2px;background:var(--accent)}
.footer-slogan{font-size:14px;line-height:1.6;margin-bottom:16px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:var(--gray-400);transition:var(--transition)}
.footer-social a:hover{background:var(--primary);color:var(--white)}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:var(--gray-400);font-size:14px;transition:var(--transition)}
.footer-col ul li a:hover{color:var(--white)}
.footer-contact ul li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--gray-400)}
.footer-contact ul li svg{flex-shrink:0;margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px}

/* Back to Top */
.back-to-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:var(--white);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(20px);transition:var(--transition);z-index:999}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--primary-dark)}

/* ==========================================
   404 PAGE
   ========================================== */
.error-page{padding:120px 0;text-align:center}
.error-code{font-size:120px;font-weight:800;color:var(--primary);line-height:1;opacity:.15;margin-bottom:-20px}
.error-page h1{font-size:28px;color:var(--gray-900);margin-bottom:12px}
.error-page p{color:var(--gray-500);margin-bottom:30px}

/* Empty State */
.empty-state{padding:60px 20px;color:var(--gray-400)}
.empty-state p{font-size:16px}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media(max-width:1024px){
  .products-grid{grid-template-columns:repeat(3,1fr)}
  .why-us-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .products-page-layout{grid-template-columns:1fr}
  .products-sidebar{position:static}
}

@media(max-width:768px){
  h1{font-size:30px}h2{font-size:24px}h3{font-size:18px}
  .hero-content h1{font-size:32px}
  .hero{height:300px;max-width:100%;margin-top:60px}
  .header-top{display:none}
  .header-inner{height:60px}

  /* Mobile nav */
  .mobile-menu-btn{display:flex}
  .main-nav{position:fixed;top:60px;left:0;right:0;bottom:0;background:var(--white);padding:20px;overflow-y:auto;transform:translateX(-100%);transition:transform .3s ease}
  .main-nav.open{transform:translateX(0)}
  .main-nav>ul{flex-direction:column;gap:4px}
  .main-nav>ul>li>a{padding:12px 16px;font-size:16px}
  .dropdown{position:static;box-shadow:none;padding:0 20px;min-width:auto;opacity:1;visibility:visible;transform:none;display:none}
  .has-dropdown:hover .dropdown{display:block}
  .dropdown-inner{flex-direction:column;gap:16px}

  .products-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:30px}
  .contact-grid{grid-template-columns:1fr}
  .product-detail-grid{grid-template-columns:1fr}
  .culture-grid{grid-template-columns:1fr}
  .why-us-grid{grid-template-columns:1fr}
  .section-padding{padding:50px 0}
  .partners-grid{gap:16px}
  .partner-item{padding:12px}
  .partner-item img{max-width:100px;max-height:36px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .form-row{grid-template-columns:1fr}
}

@media(max-width:480px){
  .products-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;gap:12px}
  .stat-number{font-size:32px}
}

/* ============================================
   News Module
   ============================================ */
.news-section{background:#fff}
.news-list{display:flex;flex-direction:column;gap:24px}
.news-item{display:flex;align-items:flex-start;gap:20px;background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 16px rgba(0,0,0,.06);transition:transform .25s,box-shadow .25s}
.news-item:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,.1)}
.news-item-image{flex-shrink:0;width:225px;height:160px;border-radius:8px;overflow:hidden;display:block}
.news-item-image img{width:225px;height:160px;object-fit:cover;display:block;transition:transform .4s}
.news-item:hover .news-item-image img{transform:scale(1.05)}
.news-item-placeholder{width:225px;height:160px;background:linear-gradient(135deg,#e8ecf1,#dce2e8);display:flex;align-items:center;justify-content:center;color:#b0bcc8;border-radius:8px}
.news-item-body{flex:1;min-width:0;display:flex;flex-direction:column}
.news-item-title{font-size:18px;font-weight:600;margin-bottom:8px;line-height:1.4}
.news-item-title a{color:var(--text);text-decoration:none}
.news-item-title a:hover{color:var(--primary)}
.news-item-date{font-size:13px;color:#999;margin-bottom:10px}
.news-item-summary{font-size:14px;color:#666;line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* News Detail */
.news-detail-section{background:#fff}
.news-detail-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.news-detail-main{}
.news-detail-meta{display:flex;gap:20px;align-items:center;margin-bottom:20px;font-size:14px;color:#888}
.news-detail-meta span{display:flex;align-items:center;gap:6px}
.news-detail-cover{margin-bottom:28px;border-radius:12px;overflow:hidden}
.news-detail-cover img{width:100%;max-height:450px;object-fit:cover}
.news-detail-content{font-size:15px;line-height:1.85;color:#333}
.news-detail-content p{margin-bottom:16px}
.news-detail-content img{max-width:100%;width:auto;height:auto;max-height:500px;border-radius:8px;margin:12px auto;display:block}
.news-detail-content h2{font-size:20px;margin:24px 0 12px;color:var(--primary)}
.news-detail-content h3{font-size:17px;margin:20px 0 10px}
.news-detail-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px;padding-top:30px;border-top:1px solid #eee}
.news-nav-item{display:block;padding:16px 20px;border:1px solid #e8e8e8;border-radius:10px;text-decoration:none;transition:all .2s}
.news-nav-item:hover{border-color:var(--primary);background:#f8fafe}
.news-nav-item.disabled{visibility:hidden}
.news-nav-item.next{text-align:right}
.news-nav-label{display:block;font-size:12px;color:#999;margin-bottom:6px}
.news-nav-title{font-size:14px;color:var(--text);font-weight:500}
.news-detail-back{margin-top:20px}

/* News Sidebar */
.news-detail-sidebar{}
.sidebar-card{background:#f8f9fb;border-radius:10px;padding:20px;margin-bottom:20px}
.sidebar-card h4{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--primary)}
.sidebar-categories{list-style:none}
.sidebar-categories li{border-bottom:1px solid #eee}
.sidebar-categories li:last-child{border-bottom:none}
.sidebar-categories a{display:block;padding:10px 0;font-size:14px;color:#555;text-decoration:none;transition:color .2s}
.sidebar-categories a:hover{color:var(--primary)}
.sidebar-contact p{font-size:13px;color:#666;margin-bottom:8px;line-height:1.6}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.page-btn{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border:1px solid #e0e0e0;border-radius:8px;font-size:14px;color:#555;text-decoration:none;transition:all .2s}
.page-btn:hover{border-color:var(--primary);color:var(--primary)}
.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Empty State */
.empty-state{text-align:center;padding:60px 20px;color:#999}
.empty-state p{font-size:16px}

@media(max-width:768px){
  .news-item{flex-direction:column;gap:16px}
  .news-item-image{width:100%;height:auto}
  .news-item-image img{width:100%;height:auto;aspect-ratio:225/160;object-fit:cover}
  .news-item-placeholder{width:100%;height:auto;aspect-ratio:225/160}
  .news-detail-layout{grid-template-columns:1fr}
  .news-detail-nav{grid-template-columns:1fr}
  .news-nav-item.next,.news-nav-item.prev{text-align:left}
}