/* ===== CSS Variables ===== */
:root {
    --primary: #c41e3a;
    --primary-dark: #a01830;
    --primary-light: #e8425a;
    --secondary: #1a1a2e;
    --dark: #111;
    --dark-2: #1a1a2e;
    --gray-1: #333;
    --gray-2: #666;
    --gray-3: #999;
    --gray-4: #ccc;
    --gray-5: #eee;
    --gray-6: #f5f5f5;
    --white: #fff;
    --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --shadow: 0 2px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 8px;
    --transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--gray-1); line-height: 1.6; background: var(--white); overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 30px; border: none; border-radius: 50px; font-size: 15px; font-weight: 500; cursor: pointer; transition: var(--transition); font-family: var(--font); }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(196,30,58,0.3); }
.btn-block { width: 100%; justify-content: center; }

/* ===== Top Bar ===== */
.top-bar { background: var(--secondary); color: var(--gray-4); font-size: 13px; padding: 8px 0; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-left { display: flex; gap: 20px; }
.top-bar-left span { display: flex; align-items: center; gap: 6px; }
.top-bar-left i, .top-bar-right i { color: var(--primary); font-size: 12px; }
.top-bar-right { display: flex; gap: 15px; }
.top-bar-right a { display: flex; align-items: center; gap: 5px; }
.top-bar-right a:hover { color: var(--primary); }

/* ===== Header ===== */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.98); backdrop-filter: blur(10px); border-bottom: 1px solid var(--gray-5); transition: var(--transition); padding: 12px 0; }
.header.scrolled { box-shadow: var(--shadow); padding: 8px 0; }
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo a { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 44px; height: 44px; background: var(--primary); color: var(--white); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.logo-text h1 { font-size: 20px; font-weight: 700; color: var(--dark); line-height: 1.2; }
.logo-text span { font-size: 10px; color: var(--gray-3); letter-spacing: 2px; text-transform: uppercase; }

/* Navigation */
.nav ul { display: flex; gap: 5px; }
.nav > ul > li > a { padding: 10px 18px; font-size: 15px; font-weight: 500; color: var(--gray-1); border-radius: 6px; transition: var(--transition); white-space: nowrap; }
.nav > ul > li > a:hover,
.nav > ul > li.active > a { color: var(--primary); background: rgba(196,30,58,0.06); }
.nav > ul > li > a i { font-size: 10px; margin-left: 4px; transition: var(--transition); }
.nav-dropdown:hover > a i { transform: rotate(180deg); }

/* Dropdown */
.dropdown { position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(10px); background: var(--white); min-width: 180px; border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 10px 0; opacity: 0; visibility: hidden; transition: var(--transition); z-index: 100; border: 1px solid var(--gray-5); }
.nav-dropdown { position: relative; }
.nav-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown li a { display: block; padding: 8px 20px; font-size: 14px; color: var(--gray-2); }
.dropdown li a:hover { background: var(--gray-6); color: var(--primary); padding-left: 25px; }

.header-right { display: flex; align-items: center; gap: 12px; }
.search-btn { width: 40px; height: 40px; border: none; background: var(--gray-6); border-radius: 50%; cursor: pointer; font-size: 16px; color: var(--gray-2); transition: var(--transition); display: flex; align-items: center; justify-content: center; }
.search-btn:hover { background: var(--primary); color: var(--white); }
.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.mobile-menu-btn span { width: 24px; height: 2px; background: var(--dark); border-radius: 2px; transition: var(--transition); }

/* ===== Mobile Nav ===== */
.mobile-nav { position: fixed; top: 0; right: -300px; width: 300px; height: 100vh; background: var(--white); z-index: 2000; transition: var(--transition); overflow-y: auto; }
.mobile-nav.active { right: 0; }
.mobile-nav-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1999; opacity: 0; visibility: hidden; transition: var(--transition); }
.mobile-nav-overlay.active { opacity: 1; visibility: visible; }
.mobile-nav-header { display: flex; align-items: center; justify-content: space-between; padding: 20px; border-bottom: 1px solid var(--gray-5); }
.close-btn { width: 36px; height: 36px; border: none; background: var(--gray-6); border-radius: 50%; cursor: pointer; font-size: 18px; display: flex; align-items: center; justify-content: center; }
.mobile-nav-list { padding: 20px; }
.mobile-nav-list li { margin-bottom: 5px; }
.mobile-nav-list li a { display: block; padding: 12px 15px; font-size: 15px; border-radius: var(--radius); transition: var(--transition); }
.mobile-nav-list li a:hover,
.mobile-nav-list li.active a { background: rgba(196,30,58,0.06); color: var(--primary); }
.mobile-nav-contact { padding: 20px; border-top: 1px solid var(--gray-5); }
.mobile-nav-contact p { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 14px; color: var(--gray-2); }
.mobile-nav-contact i { color: var(--primary); width: 16px; }

/* ===== Search Modal ===== */
.search-modal { position: fixed; inset: 0; background: rgba(0,0,0,0.9); z-index: 3000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: var(--transition); }
.search-modal.active { opacity: 1; visibility: visible; }
.search-modal-content { width: 90%; max-width: 600px; position: relative; }
.close-search { position: absolute; top: -50px; right: 0; background: none; border: none; color: var(--white); font-size: 28px; cursor: pointer; }
.search-form { display: flex; }
.search-input { flex: 1; padding: 18px 24px; font-size: 18px; border: none; border-radius: var(--radius) 0 0 var(--radius); font-family: var(--font); outline: none; }
.search-submit { padding: 18px 30px; background: var(--primary); color: var(--white); border: none; border-radius: 0 var(--radius) var(--radius) 0; font-size: 18px; cursor: pointer; transition: var(--transition); }
.search-submit:hover { background: var(--primary-dark); }

/* ===== Hero Slider ===== */
.hero-slider { position: relative; height: 85vh; min-height: 500px; max-height: 800px; overflow: hidden; margin-top: 78px; }
.slide { position: absolute; inset: 0; display: flex; align-items: center; transition: opacity 1s ease; opacity: 0; }
.slide.active { opacity: 1; }
.slide-content { padding: 0 80px; max-width: 700px; }
.slide-subtitle { display: inline-block; padding: 6px 18px; background: rgba(196,30,58,0.9); color: var(--white); font-size: 13px; font-weight: 500; letter-spacing: 2px; border-radius: 30px; margin-bottom: 24px; text-transform: uppercase; }
.slide-title { font-size: 48px; font-weight: 700; color: var(--white); line-height: 1.2; margin-bottom: 20px; text-shadow: 0 2px 10px rgba(0,0,0,0.2); }
.slide-desc { font-size: 18px; color: rgba(255,255,255,0.85); line-height: 1.8; margin-bottom: 35px; }
.slide-btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 35px; background: var(--primary); color: var(--white); font-size: 16px; font-weight: 500; border-radius: 50px; transition: var(--transition); }
.slide-btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(196,30,58,0.4); }

.slider-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 100%; display: flex; justify-content: space-between; padding: 0 20px; z-index: 10; pointer-events: none; }
.slider-prev, .slider-next { width: 50px; height: 50px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.5); background: rgba(0,0,0,0.2); color: var(--white); font-size: 18px; cursor: pointer; pointer-events: all; transition: var(--transition); display: flex; align-items: center; justify-content: center; }
.slider-prev:hover, .slider-next:hover { background: var(--primary); border-color: var(--primary); }

.slider-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 10; }
.dot { width: 40px; height: 4px; background: rgba(255,255,255,0.4); border-radius: 2px; cursor: pointer; transition: var(--transition); }
.dot.active { background: var(--primary); width: 60px; }

/* ===== Stats Section ===== */
.stats-section { background: var(--secondary); padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-item { text-align: center; color: var(--white); }
.stat-icon { font-size: 36px; color: var(--primary); margin-bottom: 15px; }
.stat-number { font-size: 48px; font-weight: 700; line-height: 1; display: inline; }
.stat-suffix { font-size: 24px; font-weight: 400; color: var(--primary); }
.stat-label { font-size: 15px; color: var(--gray-4); margin-top: 8px; }

/* ===== Section Header ===== */
.section-header { text-align: center; margin-bottom: 50px; }
.section-subtitle { display: block; font-size: 13px; color: var(--primary); letter-spacing: 4px; text-transform: uppercase; margin-bottom: 8px; font-weight: 600; }
.section-title { font-size: 36px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.section-line { width: 50px; height: 3px; background: var(--primary); margin: 0 auto 16px; border-radius: 2px; }
.section-desc { font-size: 16px; color: var(--gray-3); max-width: 600px; margin: 0 auto; }
.section-header.light .section-title { color: var(--white); }
.section-header.light .section-subtitle { color: var(--primary-light); }
.section-header.light .section-desc { color: rgba(255,255,255,0.7); }

/* ===== About Section ===== */
.about-section { padding: 100px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-content h3 { font-size: 26px; margin-bottom: 20px; color: var(--dark); }
.about-content p { color: var(--gray-2); margin-bottom: 15px; line-height: 1.8; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 25px 0; }
.feature-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--gray-1); }
.feature-item i { color: var(--primary); font-size: 16px; }
.about-content .btn { margin-top: 10px; }

.about-img-main { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-img-sub { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 15px; }
.about-img-placeholder { background: linear-gradient(135deg, var(--gray-6) 0%, var(--gray-5) 100%); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 80px 20px; color: var(--gray-3); font-size: 14px; }
.about-img-placeholder i { font-size: 48px; color: var(--primary); opacity: 0.5; }
.about-img-placeholder.small { padding: 40px 20px; }
.about-img-placeholder.small i { font-size: 32px; }

/* ===== Products Section ===== */
.products-section { padding: 100px 0; background: var(--gray-6); }
.product-filter { display: flex; justify-content: center; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn { padding: 8px 24px; border: 2px solid var(--gray-4); background: transparent; border-radius: 50px; font-size: 14px; cursor: pointer; transition: var(--transition); font-family: var(--font); color: var(--gray-2); }
.filter-btn:hover, .filter-btn.active { border-color: var(--primary); color: var(--primary); background: rgba(196,30,58,0.06); }

.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.product-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.product-card.hidden { display: none; }
.product-img { position: relative; overflow: hidden; }
.product-img-placeholder { background: linear-gradient(135deg, var(--gray-6) 0%, var(--gray-5) 100%); padding: 60px 20px; display: flex; align-items: center; justify-content: center; }
.product-img-placeholder i { font-size: 64px; color: var(--primary); opacity: 0.3; }
.product-overlay { position: absolute; inset: 0; background: rgba(196,30,58,0.85); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); }
.product-card:hover .product-overlay { opacity: 1; }
.product-link { padding: 10px 28px; border: 2px solid var(--white); color: var(--white); border-radius: 50px; font-size: 14px; font-weight: 500; }
.product-link:hover { background: var(--white); color: var(--primary); }
.product-info { padding: 20px; }
.product-info h4 { font-size: 17px; margin-bottom: 8px; color: var(--dark); }
.product-info p { font-size: 13px; color: var(--gray-3); margin-bottom: 10px; }
.product-price { font-size: 15px; color: var(--primary); font-weight: 600; }

/* ===== Services Section ===== */
.services-section { padding: 100px 0; background: var(--secondary); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.service-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 40px 25px; text-align: center; transition: var(--transition); }
.service-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-5px); border-color: var(--primary); }
.service-icon { width: 70px; height: 70px; margin: 0 auto 20px; background: rgba(196,30,58,0.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.service-icon i { font-size: 30px; color: var(--primary); }
.service-card h4 { font-size: 18px; color: var(--white); margin-bottom: 12px; }
.service-card p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 20px; }
.service-link { font-size: 14px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.service-link:hover { color: var(--primary-light); gap: 10px; }

/* ===== History / Timeline ===== */
.history-section { padding: 100px 0; }
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: var(--gray-5); transform: translateX(-50%); }
.timeline-item { position: relative; width: 50%; padding: 0 40px 40px; }
.timeline-item.left { left: 0; text-align: right; }
.timeline-item.right { left: 50%; text-align: left; }
.timeline-item::before { content: ''; position: absolute; top: 5px; width: 14px; height: 14px; background: var(--primary); border-radius: 50%; border: 3px solid var(--white); box-shadow: 0 0 0 3px var(--primary); z-index: 1; }
.timeline-item.left::before { right: -7px; }
.timeline-item.right::before { left: -7px; }
.timeline-content { background: var(--white); padding: 25px; border-radius: var(--radius); box-shadow: var(--shadow); }
.timeline-year { font-size: 28px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.timeline-content h4 { font-size: 17px; margin-bottom: 8px; color: var(--dark); }
.timeline-content p { font-size: 14px; color: var(--gray-2); line-height: 1.7; }

/* ===== News Section ===== */
.news-section { padding: 100px 0; background: var(--gray-6); }
.news-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
.news-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.news-card.featured { grid-row: span 2; }
.news-img { position: relative; overflow: hidden; }
.news-img-placeholder { background: linear-gradient(135deg, var(--gray-6) 0%, var(--gray-5) 100%); display: flex; align-items: center; justify-content: center; padding: 100px 20px; }
.news-img-placeholder i { font-size: 48px; color: var(--primary); opacity: 0.3; }
.news-img-placeholder.small { padding: 60px 20px; }
.news-img-placeholder.small i { font-size: 36px; }
.news-date { position: absolute; top: 15px; left: 15px; background: var(--primary); color: var(--white); padding: 8px 12px; border-radius: var(--radius); text-align: center; line-height: 1.2; }
.news-date .day { display: block; font-size: 22px; font-weight: 700; }
.news-date .month { display: block; font-size: 11px; }
.news-content { padding: 20px; }
.news-category { display: inline-block; padding: 3px 12px; background: rgba(196,30,58,0.08); color: var(--primary); font-size: 12px; border-radius: 20px; margin-bottom: 10px; }
.news-content h4 { font-size: 17px; margin-bottom: 10px; color: var(--dark); line-height: 1.4; }
.news-card.featured .news-content h4 { font-size: 22px; }
.news-content p { font-size: 14px; color: var(--gray-2); line-height: 1.7; margin-bottom: 12px; }
.news-link { font-size: 14px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; font-weight: 500; }
.news-link:hover { gap: 10px; }

/* ===== Partners ===== */
.partners-section { padding: 80px 0; overflow: hidden; }
.partners-scroll { overflow: hidden; }
.partners-track { display: flex; gap: 40px; animation: scroll 30s linear infinite; }
.partner-item { flex-shrink: 0; }
.partner-placeholder { width: 150px; height: 70px; background: var(--gray-6); border: 1px solid var(--gray-5); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--gray-3); }
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== Contact Section ===== */
.contact-section { padding: 100px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-card { display: flex; gap: 18px; padding: 20px; background: var(--gray-6); border-radius: var(--radius); transition: var(--transition); }
.contact-card:hover { background: rgba(196,30,58,0.05); transform: translateX(5px); }
.contact-icon { width: 50px; height: 50px; background: var(--primary); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.contact-detail h4 { font-size: 15px; margin-bottom: 4px; color: var(--dark); }
.contact-detail p { font-size: 14px; color: var(--gray-2); }
.contact-social { display: flex; gap: 12px; margin-top: 10px; }
.contact-social a { width: 42px; height: 42px; background: var(--gray-6); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--gray-2); transition: var(--transition); }
.contact-social a:hover { background: var(--primary); color: var(--white); }

.contact-form-wrapper { background: var(--white); border-radius: var(--radius); padding: 35px; box-shadow: var(--shadow); }
.contact-form h3 { font-size: 22px; margin-bottom: 25px; color: var(--dark); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; color: var(--gray-1); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 16px; border: 1px solid var(--gray-4); border-radius: var(--radius); font-size: 14px; font-family: var(--font); transition: var(--transition); outline: none; background: var(--white); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(196,30,58,0.1); }
.form-group textarea { resize: vertical; min-height: 100px; }

/* ===== Footer ===== */
.footer { background: var(--secondary); color: var(--gray-4); }
.footer-top { padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 40px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 15px; }
.footer-logo .logo-icon { width: 38px; height: 38px; font-size: 16px; }
.footer-logo .logo-text h3 { font-size: 18px; color: var(--white); }
.footer-logo .logo-text span { font-size: 9px; color: var(--gray-3); }
.footer-desc { font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.qrcode-placeholder { width: 100px; height: 100px; background: rgba(255,255,255,0.1); border-radius: var(--radius); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; font-size: 12px; }
.qrcode-placeholder i { font-size: 30px; color: #07c160; }
.footer-col h4 { font-size: 16px; color: var(--white); margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--primary); display: inline-block; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: var(--gray-3); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--primary); padding-left: 5px; }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; }
.footer-contact i { color: var(--primary); margin-top: 4px; width: 16px; flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; font-size: 13px; }
.footer-bottom p { margin-bottom: 4px; }

/* ===== Back to Top ===== */
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 46px; height: 46px; background: var(--primary); color: var(--white); border: none; border-radius: 50%; font-size: 18px; cursor: pointer; opacity: 0; visibility: hidden; transition: var(--transition); z-index: 900; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 15px rgba(196,30,58,0.3); }
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ===== Animations ===== */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .nav { display: none; }
    .mobile-menu-btn { display: flex; }
    .hero-slider { height: 65vh; }
    .slide-title { font-size: 36px; }
    .slide-content { padding: 0 40px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: 1fr; }
    .news-card.featured { grid-row: span 1; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .header { padding: 10px 0; }
    .hero-slider { margin-top: 60px; height: 55vh; min-height: 400px; }
    .slide-content { padding: 0 24px; }
    .slide-title { font-size: 28px; }
    .slide-desc { font-size: 15px; }
    .section-title { font-size: 28px; }
    .section-header { margin-bottom: 35px; }
    .about-section, .products-section, .services-section, .history-section, .news-section, .contact-section { padding: 60px 0; }
    .stats-grid { gap: 20px; }
    .stat-number { font-size: 36px; }
    .products-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .timeline::before { left: 20px; }
    .timeline-item { width: 100%; left: 0 !important; text-align: left !important; padding: 0 20px 30px 50px; }
    .timeline-item::before { left: 13px !important; right: auto !important; }
    .slider-prev, .slider-next { width: 40px; height: 40px; font-size: 14px; }
}

@media (max-width: 480px) {
    .slide-title { font-size: 24px; }
    .slide-btn { padding: 12px 24px; font-size: 14px; }
    .stat-item { padding: 10px 0; }
    .about-features { grid-template-columns: 1fr; }
}