/* ================= 模块通用样式 ================= */
        .section-padding { padding: 20px 0; }
        .section-title {
            text-align: center; font-size: 32px; font-weight: bold; margin-bottom: 60px;
            background: var(--brand-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
        }

        /* ================= 公司简介 ================= */
        .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .about-text p { font-size: 16px; color: var(--text-gray); line-height: 1.9; margin-bottom: 20px; text-align: justify; }
        .about-image { background: linear-gradient(135deg, #e0e7ff 0%, #f3e8ff 100%); height: 400px; border-radius: var(--border-radius); box-shadow: var(--shadow-md); display: flex; align-items: center; justify-content: center; color: var(--primary-purple); font-size: 60px; }

        /* ================= 生产厂家 (Logo 墙) ================= */
        .manufacturers-bg { background-color: white; }
        .logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
        .factory-card {
            background: var(--bg-light); border: 1px solid #eee; border-radius: var(--border-radius);
            padding: 40px 20px; text-align: center; transition: var(--transition);
        }
        .factory-card i { font-size: 40px; color: var(--primary-blue); margin-bottom: 15px; }
        .factory-card h4 { font-size: 18px; color: var(--text-dark); }
        .factory-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-md); border-color: transparent; }

        /* ================= 行业新闻动态 ================= */
        .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .news-card {
            background: white; border-radius: var(--border-radius); overflow: hidden;
            box-shadow: 0 4px 6px rgba(0,0,0,0.03); transition: var(--transition);
            border: 1px solid #f1f5f9;
        }
        .news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
        .news-img { height: 200px; overflow: hidden; border-bottom: 1px solid #f1f5f9; background: var(--bg-body); }
        .news-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
        .news-content { padding: 25px; }
        .news-date { font-size: 13px; color: var(--primary-purple); font-weight: bold; margin-bottom: 10px; display: block; }
        .news-content h3 { font-size: 18px; margin-bottom: 12px; line-height: 1.4; }
        .news-content p { font-size: 14px; color: var(--text-gray); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        /* ================= 滚动浮现动效 ================= */
        .fade-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
        .fade-up.visible { opacity: 1; transform: translateY(0); }

    /* ================= 美化 Footer ================= */
    .unified-footer {
        background: linear-gradient(135deg, rgba(124,58,237,0.95) 0%, rgba(59,130,246,0.95) 50%, rgba(99,102,241,0.95) 100%);
        backdrop-filter: blur(20px);
        color: white;
        padding: 15px;
        position: relative;
        overflow: hidden;
    }

    .unified-footer::before {
        content: '';
        position: absolute;
        top: -50%; right: -20%;
        width: 400px; height: 400px;
        background: rgba(255,255,255,0.05);
        border-radius: 50%;
        animation: float 6s ease-in-out infinite;
    }

    @keyframes float {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-20px); }
    }

    .footer-content {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 40px;
    }

    .footer-brand .logo {
        font-size: 28px;
        font-weight: 800;
        background: linear-gradient(135deg, #ffffff 0%, rgba(255,255,255,0.8) 100%);
        -webkit-text-fill-color: transparent;
        margin-bottom: 15px;
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .footer-brand p {
        font-size: 14px;
        opacity: 0.9;
        line-height: 1.6;
    }

    .link-group h4 {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 20px;
        position: relative;
    }

    .link-group h4::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 30px;
        height: 3px;
        background: #ffffff;
        border-radius: 2px;
    }

    .link-group a {
        display: block;
        color: rgba(255,255,255,0.8);
        padding: 8px 0;
        transition: all 0.3s ease;
        position: relative;
    }

    .link-group a:hover {
        color: white;
        transform: translateX(8px);
    }

    .link-group a::before {
        content: '';
        position: absolute;
        left: 0; top: 50%;
        width: 0;
        height: 2px;
        background: #ffffff;
        transition: width 0.3s ease;
    }

    .link-group a:hover::before {
        width: 8px;
    }

    .about-image img{ width: 100%; height: 100%; object-fit: cover; display: block; }
    /* 响应式 */
    @media (max-width: 768px) {
        .footer-content {
            grid-template-columns: 1fr;
            gap: 30px;
            text-align: center;
        }

        .unified-footer {
            padding: 40px 0 20px;
        }
    }