:root{
    --color-jl: #2563eb;
    --color-lt: #663300;
    --color-fm: #0A239A;
    --color-ft: #0086ff;
    --color-wt: #009933;
    --color-ly: #0A66C2;
    --color-lc: #196e5c;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}
.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    height: 7.2rem;
}

.logo{
    color: var(--primary);
}

.logo img{
    width: 3rem;
    height: 3rem;
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-list a:hover {
    color: var(--primary);
    transition: all 0.3s ease;
    text-decoration: none;
}

.nav-list .active{
    color: var(--primary);
}
.menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    width: 100%;
    background: #fff;
    padding: 15px 4%;
    border-top: 1px solid #eee;
}
.mobile-menu li{
    list-style: none;
}
.mobile-menu a {
    display: block;
    padding: 8px 0;
    margin-bottom: 6px;
    text-align: center;
}

/* .mobile-menu .btn-nav {
    display: block;
    text-align: center;
    margin-top: 10px;
} */

/* .container {
    max-width: 1200px;
    width: 90vw;
    margin: 0 auto;
} */

.logo-item{
    width:2rem;
    height: 2rem;
}
/* 页面标题 */
.page-title {
    text-align: center;
    font-size: 32px;
    color: #1a365d;
    margin-bottom: 10px;
}

.page-desc {
    text-align: center;
    color: #64748b;
    padding: 3rem;
    font-size: 16px;
}

/* 产品卡片网格 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2em;
}

/* 产品卡片样式 */
.product-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}

.card-jl{
    border-top: 4px solid var(--color-jl);
}
.card-lt{
    border-top: 4px solid var(--color-lt);
}
.card-fm{
    border-top: 4px solid var(--color-fm);
}
.card-ft{
    border-top: 4px solid var(--color-ft);
}
.card-wt{
    border-top: 4px solid var(--color-wt);
}
.card-ly{
    border-top: 4px solid var(--color-ly);
}
.card-lc{
    border-top: 4px solid var(--color-lc);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

/* 产品标题 */
.product-name {
    font-size: 22px;
    color: #1e293b;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-name i {
    color: #2563eb;
    font-size: 24px;
}

/* 产品模块标题 */
.section-title {
    font-size: 14px;
    color: #64748b;
    margin: 18px 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 产品内容文本 */
.product-content {
    color: #334155;
    line-height: 1.7;
    font-size: 15px;
}

/* 功能列表 */
.feature-list {
    list-style: none;
    margin: 10px 0;
}

.feature-list li {
    padding: 4px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-list li::before {
    content: "✓";
    color: #16a34a;
    font-weight: bold;
}

/* 跳转按钮 */
.official-btn {
    display: inline-block;
    margin-top: 22px;
    padding: 12px 24px;
    /* background-color: #2563eb; */
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: background 0.3s;
    text-align: center;
    width: 100%;
}

.btn-jl{
    background-color: var(--color-jl);
}

.btn-lt{
    background-color: var(--color-lt);
}

.btn-fm{
    background-color: var(--color-fm);
}

.btn-ft{
    background-color: var(--color-ft);
}

.btn-ly{
    background-color: var(--color-ly);
}

.btn-wt{
    background-color: var(--color-wt);
}

.btn-lc{
    background-color: var(--color-lc);
}

.official-btn:hover {
    /* background-color: #1d4ed8; */
    filter: brightness(0.85);
}

/* 响应式适配 */
@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    .page-title {
        font-size: 26px;
    }

    .nav-list{
        display: none;
    }

    .menu-btn {
        display: block;
    }
}