.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.banner {
    background: linear-gradient(135deg, #2d3748, #4a5568);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.banner h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.banner p {
    font-size: 18px;
    opacity: .9;
}

.section {
    padding: 60px 0;
    text-align: center;
}

.section h2 {
    margin-bottom: 30px;
    font-size: 26px;
}

.grid {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.box {
    padding: 24px;
    background: #f7f7f7;
    border-radius: 12px;
}

.footer {
    background: #666666;
    color: #ccc;
    padding: 8px 0;
    text-align: center;
    line-height: 1.2;
    font-size: 14px;
}

.footer .container {
    margin: 5px auto;
    padding: 0;
}

/* 🔥 手机端适配（和 shop.css 完全一致） */
@media (max-width: 768px) {
    body {
        padding-top: 54px !important;
    }

    .navbar {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 9999 !important;
    }

    .nav-right {
        display: none !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        flex-direction: column !important;
        background: #2c3e50 !important;
        padding: 12px 0 !important;
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1) !important;
        border-radius: 0 0 12px 12px !important;
        z-index: 998 !important;
    }

    .nav-right.show {
        display: flex !important;
    }

    .container {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    .grid {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }

    .banner {
        padding-top: 30px !important;
        padding-bottom: 40px !important;
    }

    .section {
        padding: 40px 0 !important;
    }
}