:root {
            --primary-color: #8b0000;
            --secondary-color: #d4af37;
            --dark-color: #1a1a1a;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
            overflow-x: hidden;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1600271886742-f049cd451bba?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }
        .navbar {
            background-color: rgba(26, 26, 26, 0.95);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            padding: 0.7rem 0;
            background-color: rgba(26, 26, 26, 0.98);
        }
        .nav-link {
            color: white !important;
            font-weight: 500;
            margin: 0 10px;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 50px;
            text-align: center;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--primary-color);
        }
        .card-hover {
            transition: transform 0.3s, box-shadow 0.3s;
            border: none;
            overflow: hidden;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .product-img {
            height: 250px;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .card-hover:hover .product-img {
            transform: scale(1.05);
        }
        .btn-primary-custom {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
            padding: 10px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary-custom:hover {
            background-color: #a30000;
            border-color: #a30000;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(139, 0, 0, 0.2);
        }
        .footer {
            background-color: var(--dark-color);
            color: #ccc;
            padding-top: 60px;
        }
        .footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: var(--secondary-color);
        }
        .flink {
            display: inline-block;
            background: rgba(255, 255, 255, 0.05);
            padding: 8px 20px;
            margin: 5px;
            border-radius: 4px;
            transition: all 0.3s;
            color: #aaa;
        }
        .flink:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--secondary-color);
            transform: translateY(-2px);
        }
        .friend-links-section {
            background: #111;
            padding: 40px 0;
            border-top: 1px solid #333;
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--primary-color);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 40px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--secondary-color);
            border: 3px solid var(--primary-color);
        }
        .contact-info-box {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
            transition: transform 0.3s;
        }
        .contact-info-box:hover {
            transform: translateY(-5px);
        }
        .icon-circle {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: rgba(139, 0, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--primary-color);
            font-size: 30px;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 70vh;
                text-align: center;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 1000;
        }
        .back-to-top.show {
            opacity: 0.8;
            visibility: visible;
        }
        .back-to-top:hover {
            opacity: 1;
            background: #a30000;
        }
        .breadcrumb {
            background-color: rgba(248, 249, 250, 0.8);
            border-radius: 0;
        }