/* === 全局基础样式 === */
        :root {
            --primary-color: #8B4513; /* 深红褐色 */
            --secondary-color: #b8860b; /* 金色 */
            --accent-color: #d4af37; /* 贵金属色 */
            --light-color: #f9f5ee; /* 米白色 */
            --dark-color: #3e2723; /* 深咖啡色 */
            --text-primary: #5d4037; /* 深棕色 */
            --text-secondary: #795548; /* 中棕色 */
            --shadow-light: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-medium: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-heavy: 0 16px 40px rgba(0,0,0,0.18);
            --border-radius: 12px;
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif, 'Microsoft YaHei';
            background-color: var(--light-color);
            color: var(--text-primary);
            line-height: 1.6;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(218, 165, 32, 0.03) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(139, 69, 19, 0.03) 0%, transparent 20%);
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
        }

        h1, h2, h3, h4, h5 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark-color);
            margin-bottom: 20px;
        }

        h1 {
            font-size: 3.2rem;
        }

        h2 {
            font-size: 2.5rem;
            text-align: center;
            position: relative;
            margin-bottom: 50px;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
            border-radius: 2px;
        }

        p {
            margin-bottom: 15px;
        }

        .btn {
            display: inline-block;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--accent-color);
            box-shadow: var(--shadow-light);
        }

        .btn:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-medium);
            background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
        }

        .btn-outline:hover {
            background: var(--primary-color);
            color: white;
        }

        /* === 头部导航 === */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(249, 245, 238, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(212, 175, 55, 0.2);
            transition: var(--transition);
        }

        header.scrolled {
            box-shadow: var(--shadow-light);
            background: rgba(249, 245, 238, 0.98);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo img {
            height: 50px;
            margin-right: 15px;
            border-radius: 50%;
            border: 2px solid var(--accent-color);
            box-shadow: var(--shadow-light);
        }

        .logo h1 {
            font-size: 1.8rem;
            margin: 0;
            color: var(--dark-color);
            font-weight: 700;
        }

        .logo span {
            color: var(--secondary-color);
        }

        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li {
            margin: 0 15px;
        }

        nav ul li a {
            text-decoration: none;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            position: relative;
            padding: 8px 0;
            transition: var(--transition);
        }

        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: var(--transition);
        }

        nav ul li a:hover::after,
        nav ul li a.active::after {
            width: 100%;
        }

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark-color);
        }

        /* === 首屏大图 === */
        .hero {
            height: 100vh;
            background: linear-gradient(rgba(62, 39, 35, 0.6), rgba(62, 39, 35, 0.7)), url('/stram/image_325938651766948.png') center/cover no-repeat;
            display: flex;
            align-items: center;
            text-align: center;
            color: white;
            position: relative;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero h1 {
            font-size: 4rem;
            color: white;
            margin-bottom: 20px;
            text-shadow: 0 4px 8px rgba(0,0,0,0.3);
        }

        .hero p {
            font-size: 1.4rem;
            margin-bottom: 30px;
            color: #f0e6d2;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
        }

        /* === 关于我们与联系我们整合 === */
        .about-contact {
            background-color: white;
        }

        .about-contact-content {
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .about-text {
            flex: 1;
        }

        .contact-info {
            flex: 1;
        }

        .about-text h3,
        .contact-info h3 {
            color: var(--dark-color);
            margin-bottom: 20px;
        }

        .contact-detail {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            color: var(--text-primary);
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--accent-color);
            margin-right: 15px;
            width: 40px;
        }

        /* === 汉服鉴赏 === */
        .products {
            background-color: white; /* 更改背景色为白色 */
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2::after {
            left: 50%;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
        }

        .product-card {
            background: var(--light-color);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            transition: var(--transition);
            position: relative;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-heavy);
        }

        .product-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--secondary-color);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            z-index: 2;
        }

        .product-image {
            height: 280px;
            overflow: hidden;
        }

        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .product-card:hover .product-image img {
            transform: scale(1.1);
        }

        .product-info {
            padding: 20px;
        }

        .product-title {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--dark-color);
        }

        .product-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 15px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* === 汉服历史介绍 === */
        .history {
            background: linear-gradient(135deg, var(--dark-color) 0%, #2c1b18 100%);
            color: var(--light-color);
            position: relative;
        }

        .history::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23d4af37' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
            opacity: 0.2;
        }

        .history-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .history-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }

        .history-card {
            text-align: center;
            padding: 30px 20px;
        }

        .history-icon {
            font-size: 3.5rem;
            color: var(--accent-color);
            margin-bottom: 20px;
        }

        .history-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: white;
        }

        .history-desc {
            color: #d7ccc8;
        }

        /* === 赞助商家 === */
        .sponsors {
            background-color: var(--light-color);
        }

        .sponsors-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
        }

        .tab-button {
            padding: 12px 30px;
            background: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border-radius: 30px 30px 0 0;
        }

        .tab-button:hover,
        .tab-button.active {
            background: var(--primary-color);
            color: white;
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        .sponsors-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .sponsor-card {
            background: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-light);
            text-align: center;
        }

        .sponsor-logo {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            overflow: hidden;
            margin: 0 auto 20px;
            border: 3px solid var(--accent-color);
        }

        .sponsor-logo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .sponsor-name {
            font-size: 1.4rem;
            margin-bottom: 10px;
            color: var(--dark-color);
        }

        .sponsor-owner {
            color: var(--secondary-color);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .sponsor-platform {
            color: var(--text-secondary);
            margin-bottom: 15px;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-light);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 20px;
            left: 20px;
            font-size: 4rem;
            color: var(--secondary-color);
            opacity: 0.2;
            font-family: serif;
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            overflow: hidden;
            margin-right: 15px;
            border: 2px solid var(--accent-color);
        }

        .author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .author-info h4 {
            margin: 0 0 5px 0;
            color: var(--dark-color);
        }

        .author-info p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* === 页脚 === */
        footer {
            background: var(--dark-color);
            color: #d7ccc8;
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--accent-color);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #bca99f;
            text-decoration: none;
            transition: var(--transition);
            display: inline-block;
        }

        .footer-links a:hover {
            color: var(--accent-color);
            transform: translateX(5px);
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border-radius: 50%;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--accent-color);
            transform: translateY(-5px);
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(215, 204, 200, 0.1);
            font-size: 0.9rem;
            color: #bca99f;
        }

        /* === 响应式设计 === */
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            
            .hero h1 { font-size: 3.2rem; }
            .hero p { font-size: 1.2rem; }
            
            .about-contact-content { flex-direction: column; }
            
            .contact-container { grid-template-columns: 1fr; }
            .contact-info { order: 2; }
            .contact-form { order: 1; }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            
            nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 80px);
                background: white;
                box-shadow: var(--shadow-heavy);
                transition: var(--transition);
                z-index: 999;
            }

            nav.active {
                left: 0;
            }
            
            nav ul {
                flex-direction: column;
                padding: 20px;
            }
            
            nav ul li {
                margin: 15px 0;
            }
            
            .hero h1 { font-size: 2.5rem; }
            .hero-btns { flex-direction: column; align-items: center; }
            
            .footer-content { grid-template-columns: repeat(2, 1fr); }
            
            .sponsors-tabs {
                flex-wrap: wrap;
            }
            
            .tab-button {
                margin: 5px;
            }
        }

        @media (max-width: 576px) {
            .container { padding: 0 15px; }
            section { padding: 60px 0; }
            
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            
            .btn { padding: 12px 24px; }
            
            .footer-content { grid-template-columns: 1fr; }
        }