/* 数据中心介绍页面专用样式 */

/* ========== 1. Banner区域 ========== */
.dc-banner {
    position: relative;
    height: 380px;
    background: linear-gradient(135deg, #0c2340, #1a4b8c, #1a7fd4);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.dc-banner-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 800px;
    padding: 0 20px;
}

.dc-banner-title {
    font-size: 42px;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 20px;
    line-height: 1.2;
}

.dc-banner-subtitle {
    font-size: 16px;
    color: #ffffff;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 30px;
    line-height: 1.8;
}

.dc-banner-btn {
    display: inline-block;
    padding: 12px 36px;
    background: transparent;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid #ffffff;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.dc-banner-btn:hover {
    background: #ffffff;
    color: #1a7fd4;
    text-decoration: none;
}

/* ========== 2. 概览区域 ========== */
.dc-overview {
    background: #ffffff;
    padding: 70px 0;
}

.dc-section-title {
    font-size: 32px;
    font-weight: bold;
    color: #333333;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.dc-section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #1a7fd4, #0d5ba8);
    border-radius: 2px;
}

.dc-overview-content {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

.dc-overview-text {
    flex: 1;
    font-size: 15px;
    color: #555555;
    line-height: 1.9;
}

.dc-overview-text p {
    margin-bottom: 15px;
}

.dc-overview-stats {
    flex: 0 0 380px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.dc-stat-item {
    text-align: center;
    padding: 25px 15px;
    background: #f7f9fc;
    border: 1px solid #e8eef5;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.dc-stat-item:hover {
    box-shadow: 0 4px 15px rgba(26, 127, 212, 0.1);
}

.dc-stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #1a7fd4;
    margin-bottom: 8px;
    line-height: 1.2;
}

.dc-stat-label {
    font-size: 14px;
    color: #999999;
}

/* ========== 3. 优势区域 ========== */
.dc-advantages {
    background: #f7f9fc;
    padding: 70px 0;
}

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


.dc-advantage-card {
    background: #ffffff;
    border-radius: 10px;
    padding: 30px 25px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.dc-advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.dc-advantage-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #eef6ff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 22px;
    color: #1a7fd4;
}

.dc-advantage-title {
    font-size: 17px;
    font-weight: bold;
    color: #333333;
    margin-bottom: 10px;
}

.dc-advantage-desc {
    font-size: 13px;
    color: #666666;
    line-height: 1.7;
}

/* ========== 4. 规格参数区域 ========== */
.dc-specs {
    background: #ffffff;
    padding: 70px 0;
}

.dc-specs-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.dc-specs-table thead th {
    background: #1a7fd4;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 20px;
    text-align: left;
}

.dc-specs-table tbody td {
    padding: 14px 20px;
    font-size: 14px;
    color: #333333;
    border-bottom: 1px solid #eee;
}

.dc-specs-table tbody tr:hover {
    background: #f7f9fc;
}

.dc-specs-table tbody tr:last-child td {
    border-bottom: none;
}

.dc-spec-label {
    background: #f7f9fc;
    font-weight: 600;
    color: #333333;
    width: 200px;
}

.dc-spec-value {
    color: #555555;
}

/* ========== 5. 服务产品区域 ========== */
.dc-services {
    background: #f7f9fc;
    padding: 70px 0;
}

.dc-service-cards {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.dc-service-card {
    width: calc(33.333% - 20px);
    min-width: 300px;
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.dc-service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.dc-service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 25px 20px;
    border-bottom: 1px solid #f0f0f0;
}

.dc-service-info {
    flex: 1;
}

.dc-service-title {
    font-size: 24px;
    font-weight: bold;
    color: #333333;
    margin-bottom: 8px;
}

.dc-service-subtitle {
    font-size: 14px;
    color: #666666;
}

.dc-service-icon {
    width: 55px;
    height: 55px;
    border-radius: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    color: #ffffff;
    flex-shrink: 0;
}

.dc-service-specs {
    padding: 20px 25px;
}

.dc-service-spec-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
}

.dc-service-spec-item:last-child {
    border-bottom: none;
}

.dc-service-spec-label {
    font-size: 14px;
    color: #666666;
    width: 80px;
    margin-right: 25px;
}

.dc-service-spec-value {
    flex: 1;
    font-size: 14px;
    color: #333333;
}

.dc-service-footer {
    padding: 20px 25px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dc-service-price {
    font-size: 28px;
    font-weight: bold;
    color: #e74c3c;
}

.dc-service-price-unit {
    font-size: 14px;
    font-weight: normal;
    color: #999999;
}

.dc-service-action {
    display: inline-block;
    padding: 10px 28px;
    background: transparent;
    color: #333333;
    font-size: 14px;
    font-weight: 600;
    border: 2px solid #333333;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.dc-service-action:hover {
    background: #333333;
    color: #ffffff;
    text-decoration: none;
}

/* ========== 6. CTA区域 ========== */
.dc-cta {
    background: linear-gradient(135deg, #1a7fd4, #0d5ba8);
    padding: 60px 0;
    text-align: center;
}

.dc-cta-title {
    font-size: 28px;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 15px;
}

.dc-cta-subtitle {
    font-size: 16px;
    color: #ffffff;
    opacity: 0.85;
    margin-bottom: 30px;
}

.dc-cta-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.dc-cta-btn-primary {
    display: inline-block;
    padding: 12px 36px;
    background: #ffffff;
    color: #1a7fd4;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid #ffffff;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.dc-cta-btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-decoration: none;
    color: #1a7fd4;
}

.dc-cta-btn-secondary {
    display: inline-block;
    padding: 12px 36px;
    background: transparent;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid #ffffff;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.dc-cta-btn-secondary:hover {
    background: #ffffff;
    color: #1a7fd4;
    text-decoration: none;
}

/* ========== 7. 响应式布局 ========== */
@media (max-width: 1199px) {
    .dc-overview-content {
        flex-direction: column;
    }

    .dc-overview-stats {
        flex: none;
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 991px) {
    .dc-advantage-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .dc-service-cards {
        justify-content: center;
    }

    .dc-service-card {
        width: calc(50% - 15px);
        min-width: 280px;
    }

    .dc-specs-table {
        display: block;
        overflow-x: auto;
    }
}

@media (max-width: 767px) {
    .dc-banner {
        height: 300px;
    }

    .dc-banner-title {
        font-size: 28px;
    }

    .dc-banner-subtitle {
        font-size: 14px;
    }

    .dc-section-title {
        font-size: 24px;
        margin-bottom: 40px;
    }

    .dc-overview,
    .dc-advantages,
    .dc-specs,
    .dc-services {
        padding: 45px 0;
    }

    .dc-overview-content {
        flex-direction: column;
        gap: 30px;
    }

    .dc-overview-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .dc-stat-number {
        font-size: 28px;
    }

    .dc-advantage-cards {
        grid-template-columns: 1fr;
    }

    .dc-service-cards {
        flex-direction: column;
        align-items: center;
    }

    .dc-service-card {
        width: 100%;
        min-width: auto;
    }

    .dc-spec-label {
        width: 120px;
    }

    .dc-cta {
        padding: 40px 0;
    }

    .dc-cta-title {
        font-size: 22px;
    }

    .dc-cta-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .dc-cta-btn-primary,
    .dc-cta-btn-secondary {
        width: 80%;
        text-align: center;
    }
}