@import url("https://cdn.jsdelivr.net/gh/BNDong/Cnblogs-Theme-SimpleMemory@v2.1.0/dist/simpleMemory.css");
/* ==================== 产品门户风首页升级 ==================== */

/* 1. 首页顶部 Banner 强化 */
#home-top-banner {
    position: relative;
    width: 100%;
    min-height: 480px;
    background:
        linear-gradient(135deg, rgba(10, 25, 60, 0.88), rgba(30, 10, 80, 0.82)),
        url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1920&q=80") center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 0 0 18px 18px;
    box-shadow: 0 10px 40px rgba(0, 120, 255, 0.25);
}

#home-top-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 200, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 200, 255, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
}

#home-top-banner .banner-glow {
    position: absolute;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(0, 180, 255, 0.35), transparent 60%);
    border-radius: 50%;
    top: -80px;
    left: -80px;
    filter: blur(40px);
}

#home-top-banner .banner-glow.purple {
    background: radial-gradient(circle, rgba(180, 80, 255, 0.35), transparent 60%);
    top: auto;
    left: auto;
    right: -100px;
    bottom: -120px;
}

.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 24px;
    max-width: 960px;
}

.banner-content h1 {
    font-size: 46px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: 1px;
    background: linear-gradient(90deg, #6fd1ff, #c79cff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.banner-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 28px;
    line-height: 1.8;
}

.banner-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 12px 28px;
    border-radius: 999px;
    background: linear-gradient(90deg, #00b0ff, #7b6cff);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(0, 140, 255, 0.45);
    transition: transform .25s ease, box-shadow .25s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 140, 255, 0.6);
    color: #fff;
}

.btn-secondary {
    padding: 12px 28px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    transition: background .25s ease, border-color .25s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: #9be7ff;
    color: #fff;
}

/* 2. 能力卡片区 */
.product-section {
    margin-top: 40px;
    padding: 48px 32px;
    background: linear-gradient(180deg, #f7faff, #ffffff);
    border-radius: 18px;
}

.section-title {
    text-align: center;
    margin-bottom: 36px;
}

.section-title h2 {
    font-size: 32px;
    color: #12244b;
    margin-bottom: 12px;
}

.section-title p {
    color: #5b6b8c;
    font-size: 16px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-card {
    background: #fff;
    border: 1px solid #eef3fb;
    border-radius: 16px;
    padding: 28px 22px;
    text-align: center;
    transition: transform .3s ease, box-shadow .3s ease;
    box-shadow: 0 4px 18px rgba(30, 80, 180, 0.08);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 14px 34px rgba(30, 100, 255, 0.18);
    border-color: #b8dcff;
}

.product-card .icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 16px;
    background: linear-gradient(135deg, #00b0ff, #7b6cff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 28px;
    font-weight: 800;
}

.product-card h3 {
    font-size: 18px;
    color: #12244b;
    margin-bottom: 10px;
}

.product-card p {
    font-size: 14px;
    color: #5b6b8c;
    line-height: 1.7;
}

/* 3. 数据展示区 */
.data-section {
    margin-top: 30px;
    padding: 40px 32px;
    background: linear-gradient(135deg, #0f2744, #1a1447);
    border-radius: 18px;
    color: #fff;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.data-item {
    text-align: center;
}

.data-item .num {
    font-size: 34px;
    font-weight: 800;
    background: linear-gradient(90deg, #6fd1ff, #c79cff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.data-item .label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.72);
    margin-top: 6px;
}

/* 4. 服务介绍区 */
.service-section {
    margin-top: 30px;
    padding: 48px 32px;
    background: #ffffff;
    border-radius: 18px;
    border: 1px solid #eef3fb;
}

.service-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-item {
    padding: 24px;
    border-radius: 14px;
    background: #f7faff;
    border-left: 4px solid #00b0ff;
    transition: transform .25s ease;
}

.service-item:hover {
    transform: translateY(-4px);
}

.service-item h4 {
    color: #12244b;
    margin-bottom: 10px;
    font-size: 17px;
}

.service-item p {
    color: #5b6b8c;
    font-size: 14px;
    line-height: 1.7;
}

/* 5. 底部 CTA */
.cta-section {
    margin-top: 30px;
    padding: 40px;
    background: linear-gradient(135deg, #0071ff, #7b2cff);
    border-radius: 18px;
    text-align: center;
    color: #fff;
}

.cta-section h3 {
    font-size: 26px;
    margin-bottom: 12px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.86);
    margin-bottom: 20px;
}

.cta-section .btn-primary {
    background: #fff;
    color: #0071ff;
}

.cta-section .btn-primary:hover {
    background: #f5f8ff;
    color: #005ce6;
}

/* 6. 响应式适配 */
@media (max-width: 900px) {
    .banner-content h1 {
        font-size: 32px;
    }

    .product-grid,
    .service-list,
    .data-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .product-grid,
    .service-list,
    .data-section {
        grid-template-columns: 1fr;
    }

    #home-top-banner {
        min-height: 380px;
    }
}