/* 开运智能装备 - 现代企业站样式 - 主题: 工业橘红 + 深炭灰 */
:root {
  --color-primary: #e54b1b;
  --color-primary-dark: #b8390f;
  --color-primary-light: #ff6b35;
  --color-accent: #1e293b;
  --color-accent-dark: #0f172a;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-muted: #94a3b8;
  --color-bg: #ffffff;
  --color-bg-alt: #fdf6f3;
  --color-bg-dark: #1a1410;
  --color-border: #eaddd7;
  --color-border-light: #f5ebe6;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow: 0 1px 3px 0 rgba(0,0,0,0.1),0 1px 2px 0 rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1),0 10px 10px -5px rgba(0,0,0,0.04);
  --radius-sm: 4px; --radius: 6px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px;
  --container: 1240px; --header-h: 80px; --topbar-h: 36px;
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body { font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif; font-size:15px; line-height:1.6; color:var(--color-text); background:var(--color-bg); -webkit-font-smoothing:antialiased; }
a { color:inherit; text-decoration:none; transition:var(--transition); }
a:hover { color:var(--color-primary); }
img { max-width:100%; height:auto; display:block; }
ul,ol { list-style:none; }
button { font-family:inherit; cursor:pointer; border:none; background:none; }
input,select,textarea { font-family:inherit; font-size:inherit; }
.container { max-width:var(--container); margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section-bg-alt { background:var(--color-bg-alt); }
.section-bg-dark { background:var(--color-bg-dark); color:#fff; }
.topbar { background:var(--color-bg-dark); color:#cbd5e1; font-size:13px; height:var(--topbar-h); line-height:var(--topbar-h); }
.topbar .container { display:flex; justify-content:space-between; align-items:center; height:100%; }
.topbar a { color:#cbd5e1; } .topbar a:hover { color:#fff; }
.topbar-info { display:flex; gap:24px; align-items:center; }
.topbar-info span { display:inline-flex; align-items:center; gap:6px; }
.topbar-info svg { width:14px; height:14px; fill:currentColor; }
.header { background:#fff; border-bottom:1px solid var(--color-border); position:sticky; top:0; z-index:100; box-shadow:var(--shadow-sm); }
.header .container { display:flex; align-items:center; justify-content:space-between; height:var(--header-h); }
.logo { display:flex; align-items:center; gap:12px; }
.logo img { max-height:56px; width:auto; }
.logo-text { display:flex; flex-direction:column; }
.logo-text .name { font-size:18px; font-weight:700; color:var(--color-primary); line-height:1.2; }
.logo-text .tagline { font-size:12px; color:var(--color-text-muted); letter-spacing:1px; }
.nav { display:flex; align-items:center; gap:4px; }
.nav a { display:inline-block; padding:10px 18px; font-size:15px; font-weight:500; color:var(--color-text); position:relative; }
.nav a::after { content:""; position:absolute; left:50%; bottom:4px; width:0; height:2px; background:var(--color-primary); transition:var(--transition); transform:translateX(-50%); }
.nav a:hover::after, .nav a.active::after { width:24px; }
.nav a:hover, .nav a.active { color:var(--color-primary); }
.header-cta { display:inline-flex; align-items:center; gap:8px; padding:10px 20px; background:var(--color-primary); color:#fff; border-radius:var(--radius); font-weight:500; font-size:14px; }
.header-cta:hover { background:var(--color-primary-dark); color:#fff; transform:translateY(-1px); box-shadow:var(--shadow-md); }
.header-cta svg { width:16px; height:16px; fill:currentColor; }
.menu-toggle { display:none; width:40px; height:40px; border-radius:var(--radius); align-items:center; justify-content:center; }
.menu-toggle svg { width:24px; height:24px; fill:var(--color-text); }
.hero { position:relative; height:600px; overflow:hidden; background:linear-gradient(135deg,#b8390f,#e54b1b); }
.hero-slides { position:absolute; inset:0; }
.hero-slide { position:absolute; inset:0; opacity:0; transition:opacity 1s ease-in-out; background-size:cover; background-position:center; }
.hero-slide.active { opacity:1; }
.hero-slide::before { content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(26,20,16,0.35) 0%,rgba(26,20,16,0.15) 35%,rgba(26,20,16,0.65) 75%,rgba(26,20,16,0.88) 100%); }
.hero-content { position:relative; z-index:2; height:100%; display:flex; flex-direction:column; justify-content:flex-end; padding-bottom:72px; color:#fff; max-width:640px; }
.hero-tag { display:inline-flex; align-items:center; gap:8px; padding:6px 14px; background:rgba(255,107,53,0.15); border:1px solid rgba(255,107,53,0.4); color:#ffb088; border-radius:999px; font-size:13px; font-weight:500; width:fit-content; margin-bottom:18px; }
.hero-title { font-size:52px; font-weight:800; line-height:1.15; margin-bottom:18px; text-shadow:0 2px 20px rgba(0,0,0,0.3); }
.hero-title .accent { color:var(--color-primary-light); }
.hero-subtitle { font-size:16px; line-height:1.8; color:rgba(255,255,255,0.92); margin-bottom:28px; max-width:560px; text-shadow:0 1px 8px rgba(0,0,0,0.3); }
.hero-actions { display:flex; gap:16px; flex-wrap:wrap; }
.hero-pagination { position:absolute; bottom:32px; left:50%; transform:translateX(-50%); display:flex; gap:8px; z-index:3; }
.hero-pagination button { width:36px; height:4px; background:rgba(255,255,255,0.4); border-radius:2px; transition:var(--transition); }
.hero-pagination button.active { background:var(--color-primary); width:48px; }
.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); transition:var(--transition); border:2px solid transparent; cursor:pointer; }
.btn-primary { background:var(--color-primary); color:#fff; border-color:var(--color-primary); }
.btn-primary:hover { background:var(--color-primary-dark); border-color:var(--color-primary-dark); color:#fff; transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.btn-outline-white { background:transparent; color:#fff; border-color:rgba(255,255,255,0.5); }
.btn-outline-white:hover { background:rgba(255,255,255,0.1); border-color:#fff; color:#fff; }
.btn-outline { background:transparent; color:var(--color-primary); border-color:var(--color-border); }
.btn-outline:hover { border-color:var(--color-primary); color:var(--color-primary); }
.btn-lg { padding:14px 32px; font-size:16px; }
.btn svg { width:16px; height:16px; fill:currentColor; }
.section-head { text-align:center; margin-bottom:48px; }
.section-head .eyebrow { display:inline-block; font-size:13px; font-weight:600; color:var(--color-primary); letter-spacing:2px; text-transform:uppercase; margin-bottom:12px; position:relative; padding:0 32px; }
.section-head .eyebrow::before, .section-head .eyebrow::after { content:""; position:absolute; top:50%; width:24px; height:1px; background:var(--color-primary); }
.section-head .eyebrow::before { left:0; } .section-head .eyebrow::after { right:0; }
.section-head h2 { font-size:36px; font-weight:700; color:var(--color-text); margin-bottom:16px; line-height:1.3; }
.section-head p { font-size:16px; color:var(--color-text-light); max-width:720px; margin:0 auto; }
.features { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.feature-card { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:36px 28px; transition:var(--transition); position:relative; overflow:hidden; }
.feature-card::before { content:""; position:absolute; top:0; left:0; width:100%; height:4px; background:linear-gradient(90deg,var(--color-primary),var(--color-primary-light)); transform:scaleX(0); transform-origin:left; transition:var(--transition); }
.feature-card:hover { border-color:transparent; box-shadow:var(--shadow-xl); transform:translateY(-4px); }
.feature-card:hover::before { transform:scaleX(1); }
.feature-icon { width:64px; height:64px; border-radius:var(--radius-md); background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light)); display:flex; align-items:center; justify-content:center; margin-bottom:20px; font-size:28px; font-weight:700; color:#fff; }
.feature-card:nth-child(2) .feature-icon { background:linear-gradient(135deg,#1e293b,#475569); }
.feature-card:nth-child(3) .feature-icon { background:linear-gradient(135deg,#b8390f,#e54b1b); }
.feature-card h3 { font-size:20px; font-weight:600; color:var(--color-text); margin-bottom:12px; }
.feature-card p { color:var(--color-text-light); font-size:14px; line-height:1.7; }
.feature-card .feature-list { margin-top:16px; font-size:14px; color:var(--color-text-light); }
.feature-card .feature-list li { padding:6px 0 6px 24px; position:relative; }
.feature-card .feature-list li::before { content:"→"; position:absolute; left:0; color:var(--color-primary); font-weight:700; }
.about-preview { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.about-preview .about-image { position:relative; border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-xl); aspect-ratio:4/3; }
.about-preview .about-image img { width:100%; height:100%; object-fit:cover; }
.about-preview .about-image::after { content:""; position:absolute; inset:0; background:linear-gradient(135deg,transparent 50%,rgba(229,75,27,0.3) 100%); }
.about-preview .about-image .exp-badge { position:absolute; bottom:24px; left:24px; z-index:2; background:rgba(255,255,255,0.95); padding:16px 20px; border-radius:var(--radius); display:flex; align-items:center; gap:12px; box-shadow:var(--shadow-md); }
.about-preview .about-image .exp-badge .num { font-size:32px; font-weight:800; color:var(--color-primary); line-height:1; }
.about-preview .about-image .exp-badge .label { font-size:13px; color:var(--color-text-light); }
.about-preview .about-text .eyebrow { display:inline-block; font-size:13px; font-weight:600; color:var(--color-primary); letter-spacing:2px; text-transform:uppercase; margin-bottom:12px; }
.about-preview .about-text h2 { font-size:32px; font-weight:700; color:var(--color-text); margin-bottom:20px; }
.about-preview .about-text p { color:var(--color-text-light); font-size:15px; line-height:1.8; margin-bottom:16px; }
.about-stats { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin:24px 0; }
.about-stat { padding:16px 20px; background:var(--color-bg-alt); border-radius:var(--radius); border-left:3px solid var(--color-primary); }
.about-stat .num { font-size:28px; font-weight:700; color:var(--color-primary); }
.about-stat .label { font-size:13px; color:var(--color-text-light); margin-top:4px; }
.product-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.product-card { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg); overflow:hidden; transition:var(--transition); display:flex; flex-direction:column; }
.product-card:hover { border-color:transparent; box-shadow:var(--shadow-xl); transform:translateY(-4px); }
.product-card .product-img { aspect-ratio:1/1; background:var(--color-bg-alt); overflow:hidden; position:relative; }
.product-card .product-img img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s ease; }
.product-card:hover .product-img img { transform:scale(1.08); }
.product-card .product-img .no-img { width:100%; height:100%; display:flex; align-items:center; justify-content:center; color:var(--color-text-muted); font-size:14px; }
.product-card .product-img .cat-badge { position:absolute; top:12px; left:12px; padding:4px 10px; background:rgba(184,57,15,0.92); color:#fff; font-size:12px; border-radius:var(--radius-sm); }
.product-card .product-body { padding:20px; flex:1; display:flex; flex-direction:column; }
.product-card h3 { font-size:16px; font-weight:600; color:var(--color-text); margin-bottom:8px; line-height:1.4; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; min-height:44px; }
.product-card .product-desc { font-size:13px; color:var(--color-text-light); line-height:1.6; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; margin-bottom:16px; flex:1; }
.product-card .product-link { display:inline-flex; align-items:center; gap:6px; font-size:14px; font-weight:500; color:var(--color-primary); }
.product-card .product-link::after { content:"→"; transition:var(--transition); }
.product-card:hover .product-link::after { transform:translateX(4px); }
.news-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.news-card { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg); overflow:hidden; transition:var(--transition); display:flex; flex-direction:column; }
.news-card:hover { border-color:transparent; box-shadow:var(--shadow-xl); transform:translateY(-4px); }
.news-card .news-img { aspect-ratio:16/9; background:var(--color-bg-alt); overflow:hidden; position:relative; }
.news-card .news-img img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s ease; }
.news-card:hover .news-img img { transform:scale(1.05); }
.news-card .news-img .date-badge { position:absolute; bottom:12px; left:12px; background:rgba(255,255,255,0.95); padding:6px 12px; border-radius:var(--radius-sm); font-size:12px; font-weight:500; }
.news-card .news-body { padding:20px; flex:1; display:flex; flex-direction:column; }
.news-card .news-cat { font-size:12px; font-weight:600; color:var(--color-primary); letter-spacing:1px; margin-bottom:8px; }
.news-card h3 { font-size:17px; font-weight:600; color:var(--color-text); line-height:1.5; margin-bottom:12px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.news-card .news-desc { font-size:14px; color:var(--color-text-light); line-height:1.6; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; margin-bottom:16px; flex:1; }
.news-card .news-link { display:inline-flex; align-items:center; gap:6px; font-size:13px; font-weight:500; color:var(--color-primary); }
.news-card .news-link::after { content:"→"; transition:var(--transition); }
.news-card:hover .news-link::after { transform:translateX(4px); }
.stats-band { background:linear-gradient(135deg,var(--color-primary-dark),var(--color-primary)); color:#fff; padding:64px 0; position:relative; overflow:hidden; }
.stats-band::before { content:""; position:absolute; inset:0; background-image:radial-gradient(circle at 20% 50%,rgba(255,200,100,0.18),transparent 40%); }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:32px; position:relative; z-index:1; }
.stat-item { text-align:center; }
.stat-item .num { font-size:48px; font-weight:800; line-height:1; margin-bottom:8px; }
.stat-item .num .suffix { color:var(--color-primary-light); font-size:32px; }
.stat-item .label { font-size:15px; color:rgba(255,255,255,0.8); }
.page-banner { height:280px; background-size:cover; background-position:center; position:relative; display:flex; align-items:center; color:#fff; }
.page-banner::before { content:""; position:absolute; inset:0; background:linear-gradient(135deg,rgba(184,57,15,0.88),rgba(26,20,16,0.75)); }
.page-banner .container { position:relative; z-index:1; }
.page-banner h1 { font-size:40px; font-weight:700; margin-bottom:12px; }
.page-banner .breadcrumb { font-size:14px; color:rgba(255,255,255,0.85); }
.page-banner .breadcrumb .sep { margin:0 8px; color:rgba(255,255,255,0.5); }
.about-page { padding:64px 0; }
.about-page .about-intro { text-align:center; max-width:880px; margin:0 auto 48px; }
.about-section { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; margin-bottom:64px; }
.about-section:nth-child(even) .about-section-image { order:2; }
.about-section-image { border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-lg); aspect-ratio:4/3; }
.about-section-image img { width:100%; height:100%; object-fit:cover; }
.about-section-text h3 { font-size:24px; font-weight:700; color:var(--color-text); margin-bottom:16px; padding-left:16px; position:relative; }
.about-section-text h3::before { content:""; position:absolute; left:0; top:6px; bottom:6px; width:4px; background:var(--color-primary); border-radius:2px; }
.about-section-text p { font-size:15px; line-height:1.9; color:var(--color-text-light); margin-bottom:12px; }
.about-section-text ul { margin-top:16px; }
.about-section-text ul li { padding:8px 0 8px 28px; position:relative; font-size:15px; }
.about-section-text ul li::before { content:"✓"; position:absolute; left:0; top:8px; width:20px; height:20px; background:var(--color-success); color:#fff; border-radius:50%; font-size:12px; display:flex; align-items:center; justify-content:center; }
.products-page { display:grid; grid-template-columns:260px 1fr; gap:32px; padding:48px 0; }
.product-sidebar { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg); overflow:hidden; position:sticky; top:96px; }
.product-sidebar .sidebar-head { padding:20px 24px; background:var(--color-primary); color:#fff; font-size:16px; font-weight:600; }
.product-sidebar ul li a { display:flex; align-items:center; justify-content:space-between; padding:14px 24px; border-bottom:1px solid var(--color-border-light); font-size:14px; color:var(--color-text); transition:var(--transition); }
.product-sidebar ul li a:hover { background:var(--color-bg-alt); color:var(--color-primary); padding-left:28px; }
.product-sidebar ul li a.active { background:linear-gradient(90deg,rgba(229,75,27,0.08),transparent); color:var(--color-primary); font-weight:600; border-left:3px solid var(--color-primary); }
.product-sidebar ul li a .count { font-size:12px; color:var(--color-text-muted); background:var(--color-bg-alt); padding:2px 8px; border-radius:999px; }
.product-main-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:24px; padding-bottom:16px; border-bottom:2px solid var(--color-border); }
.product-main-head h1 { font-size:24px; font-weight:700; }
.product-detail-page { padding:32px 0 64px; }
.breadcrumb-bar { padding:16px 0; font-size:13px; color:var(--color-text-light); border-bottom:1px solid var(--color-border-light); margin-bottom:32px; }
.breadcrumb-bar .sep { margin:0 8px; color:var(--color-text-muted); }
.product-detail-head { display:grid; grid-template-columns:1fr 1fr; gap:48px; margin-bottom:48px; }
.product-gallery .main-img { width:100%; aspect-ratio:1/1; background:var(--color-bg-alt); border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--color-border); }
.product-gallery .main-img img { width:100%; height:100%; object-fit:cover; }
.product-gallery .thumbs { display:flex; gap:12px; margin-top:12px; flex-wrap:wrap; }
.product-gallery .thumbs button { width:80px; height:80px; border-radius:var(--radius); overflow:hidden; border:2px solid var(--color-border); background:var(--color-bg-alt); transition:var(--transition); }
.product-gallery .thumbs button.active { border-color:var(--color-primary); }
.product-gallery .thumbs button img { width:100%; height:100%; object-fit:cover; }
.product-info h1 { font-size:28px; font-weight:700; margin-bottom:16px; }
.product-info .product-cat { display:inline-block; padding:4px 12px; background:rgba(229,75,27,0.1); color:var(--color-primary); font-size:13px; border-radius:999px; margin-bottom:16px; }
.product-info .product-desc { font-size:15px; color:var(--color-text-light); line-height:1.8; margin-bottom:24px; padding:20px; background:var(--color-bg-alt); border-radius:var(--radius); border-left:3px solid var(--color-primary); }
.product-cta-box { display:flex; gap:16px; flex-wrap:wrap; padding:20px; background:linear-gradient(135deg,rgba(229,75,27,0.06),rgba(30,41,59,0.04)); border-radius:var(--radius-lg); border:1px solid var(--color-border); }
.product-cta-box .contact-line .value { font-size:20px; font-weight:700; color:var(--color-primary); }
.product-detail-section { margin-bottom:48px; }
.product-detail-section h2 { font-size:22px; font-weight:700; margin-bottom:24px; padding-bottom:12px; border-bottom:2px solid var(--color-primary); display:inline-block; }
.product-content { font-size:15px; line-height:1.9; }
.product-content h3 { margin:24px 0 12px; }
.product-content p { margin-bottom:16px; }
.product-content img { max-width:100%; border-radius:var(--radius); margin:16px 0; }
.product-content ul, .product-content ol { margin:16px 0; padding-left:24px; }
.product-content li { margin-bottom:8px; list-style:inherit; }
.product-content table { width:100%; border-collapse:collapse; margin:16px 0; }
.product-content td, .product-content th { border:1px solid var(--color-border); padding:10px 14px; }
.news-list-page { padding:48px 0; }
.news-filter { display:flex; gap:12px; margin-bottom:32px; flex-wrap:wrap; }
.news-filter a { padding:10px 24px; background:#fff; border:1px solid var(--color-border); border-radius:999px; font-size:14px; font-weight:500; color:var(--color-text-light); }
.news-filter a:hover { border-color:var(--color-primary); color:var(--color-primary); }
.news-filter a.active { background:var(--color-primary); border-color:var(--color-primary); color:#fff; }
.news-list { display:flex; flex-direction:column; gap:24px; }
.news-list .news-list-item { display:grid; grid-template-columns:280px 1fr; gap:24px; background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg); overflow:hidden; transition:var(--transition); }
.news-list .news-list-item:hover { box-shadow:var(--shadow-lg); transform:translateY(-2px); }
.news-list .news-list-item .news-pic { aspect-ratio:16/10; background:var(--color-bg-alt); overflow:hidden; }
.news-list .news-list-item .news-pic img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s ease; }
.news-list .news-list-item:hover .news-pic img { transform:scale(1.05); }
.news-list .news-list-item .news-info { padding:24px; display:flex; flex-direction:column; }
.news-list .news-list-item h3 { font-size:18px; font-weight:600; margin-bottom:12px; }
.news-list .news-list-item .news-meta { display:flex; gap:16px; font-size:13px; color:var(--color-text-muted); }
.news-detail-page { padding:32px 0 64px; }
.news-detail { max-width:880px; margin:0 auto; }
.news-detail .news-head { text-align:center; margin-bottom:32px; padding-bottom:24px; border-bottom:1px solid var(--color-border); }
.news-detail .news-head h1 { font-size:30px; font-weight:700; margin-bottom:20px; }
.news-detail .news-head .news-meta { display:flex; justify-content:center; gap:24px; font-size:13px; color:var(--color-text-muted); }
.news-detail .news-content { font-size:16px; line-height:1.9; }
.news-detail .news-content h3 { margin:28px 0 16px; }
.news-detail .news-content p { margin-bottom:18px; }
.news-detail .news-content img { max-width:100%; border-radius:var(--radius); margin:20px 0; }
.news-detail .news-content ul, .news-detail .news-content ol { margin:18px 0; padding-left:28px; }
.news-detail .news-content li { margin-bottom:10px; list-style:inherit; }
.news-nav { display:flex; justify-content:space-between; gap:16px; margin-top:48px; padding-top:24px; border-top:1px solid var(--color-border); }
.contact-page { padding:64px 0; }
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:48px; }
.contact-card { display:flex; align-items:center; gap:20px; padding:20px 24px; background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg); }
.contact-card .icon { width:56px; height:56px; border-radius:var(--radius); background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light)); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.contact-card:nth-child(2) .icon { background:linear-gradient(135deg,#1e293b,#475569); }
.contact-card:nth-child(3) .icon { background:linear-gradient(135deg,#b8390f,#e54b1b); }
.contact-card .icon svg { width:24px; height:24px; fill:#fff; }
.contact-card .info .value { font-size:18px; font-weight:600; }
.contact-form-wrapper { background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:32px; box-shadow:var(--shadow); }
.form-group { margin-bottom:20px; }
.form-group label { display:block; font-size:14px; font-weight:500; margin-bottom:8px; }
.form-group input, .form-group textarea { width:100%; padding:12px 14px; border:1px solid var(--color-border); border-radius:var(--radius); font-size:14px; background:var(--color-bg-alt); }
.form-group input:focus, .form-group textarea:focus { outline:none; border-color:var(--color-primary); background:#fff; box-shadow:0 0 0 3px rgba(229,75,27,0.12); }
.footer { background:var(--color-bg-dark); color:#cbd5e1; }
.footer-main { padding:64px 0 32px; }
.footer-grid { display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr; gap:40px; margin-bottom:40px; }
.footer-col h4 { font-size:16px; font-weight:600; color:#fff; margin-bottom:20px; padding-bottom:12px; position:relative; }
.footer-col h4::after { content:""; position:absolute; bottom:0; left:0; width:32px; height:2px; background:var(--color-primary); }
.footer-col ul li { margin-bottom:10px; }
.footer-col ul li a { font-size:14px; color:#94a3b8; }
.footer-col ul li a:hover { color:var(--color-primary); padding-left:4px; }
.footer-about .logo img { max-height:48px; filter:brightness(0) invert(1); }
.footer-about p { font-size:14px; color:#94a3b8; line-height:1.7; }
.footer-contact-item { display:flex; gap:12px; margin-bottom:12px; font-size:14px; color:#94a3b8; }
.footer-contact-item .icon { width:20px; height:20px; flex-shrink:0; fill:var(--color-primary); }
.footer-bottom { border-top:1px solid #1e293b; padding:20px 0; font-size:13px; color:#64748b; }
.footer-bottom .container { display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.back-to-top { position:fixed; bottom:32px; right:32px; width:48px; height:48px; background:var(--color-primary); color:#fff; border-radius:50%; display:flex; align-items:center; justify-content:center; cursor:pointer; opacity:0; visibility:hidden; transition:var(--transition); z-index:99; box-shadow:var(--shadow-lg); }
.back-to-top.visible { opacity:1; visibility:visible; }
.back-to-top svg { width:20px; height:20px; fill:currentColor; }
.no-img { width:100%; height:200px; background:var(--color-bg-alt); display:flex; align-items:center; justify-content:center; color:var(--color-text-muted); font-size:14px; }
@media (max-width:1024px) { .features,.product-grid,.news-grid { grid-template-columns:repeat(2,1fr); } .about-preview,.about-section,.contact-grid,.product-detail-head { grid-template-columns:1fr; gap:32px; } .footer-grid { grid-template-columns:1fr 1fr; } .stats-grid { grid-template-columns:repeat(2,1fr); } .news-list .news-list-item { grid-template-columns:200px 1fr; } }
@media (max-width:768px) { :root { --header-h:64px; } .section { padding:56px 0; } .container { padding:0 16px; } .topbar { display:none; } .nav { position:fixed; top:var(--header-h); left:0; right:0; bottom:0; background:#fff; flex-direction:column; padding:16px; transform:translateX(100%); transition:var(--transition); z-index:99; } .nav.open { transform:translateX(0); } .header-cta { display:none; } .menu-toggle { display:flex; } .hero { height:460px; } .hero-content { padding-bottom:48px; } .hero-title { font-size:32px; } .section-head h2 { font-size:26px; } .products-page { grid-template-columns:1fr; } .product-sidebar { position:static; } .news-list .news-list-item { grid-template-columns:1fr; } .footer-grid { grid-template-columns:1fr; } }
@media (max-width:480px) { .features,.product-grid,.news-grid,.stats-grid { grid-template-columns:1fr; } .hero-title { font-size:24px; } }