/* ============================================
   支持服务页 - service.css
   设计语言：科技蓝系、1200px居中、卡片阴影
   ============================================ */

/* ========== Banner 区域 ========== */
.service-banner {
    position: relative;
    height: 420px;
    background: url("/static/picture/pb.jpg") center 30% no-repeat;
    background-size: cover;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.service-banner::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.45);
    pointer-events: none;
}
.service-banner .banner-glow-1 {
    position: absolute;
    top: -150px; right: 8%;
    width: 480px; height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(35,134,238,0.16) 0%, transparent 70%);
    pointer-events: none;
}
.service-banner .banner-glow-2 {
    position: absolute;
    bottom: -100px; left: 5%;
    width: 340px; height: 340px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,204,254,0.10) 0%, transparent 70%);
    pointer-events: none;
}
.service-banner .banner-content {
    position: relative;
    width: 1200px;
    margin: 0 auto;
    padding-top: 40px;
    z-index: 1;
}
.service-banner .banner-label {
    display: inline-block;
    padding: 6px 20px;
    margin-bottom: 16px;
    border: 1px solid rgba(35,134,238,0.5);
    border-radius: 20px;
    color: #5badf5;
    font-size: 13px;
    letter-spacing: 2px;
}
.service-banner .banner-title {
    margin-bottom: 14px;
    color: #FFFFFF;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 2px;
}
.service-banner .banner-subtitle {
    max-width: 560px;
    margin: 0 auto;
    color: rgba(255,255,255,0.6);
    font-size: 16px;
    line-height: 28px;
    text-align: center;
}

/* ========== 通用 Section ========== */
.service-section {
    width: 1200px;
    margin: 0 auto;
    padding-top: 85px;
    padding-bottom: 85px;
}
.service-section .section-header {
    text-align: center;
    margin-bottom: 50px;
}
.service-section .section-tag {
    display: inline-block;
    margin-bottom: 12px;
    color: #2386EE;
    font-size: 13px;
    letter-spacing: 1px;
}
.service-section .section-title {
    margin-bottom: 14px;
    color: #061828;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
}
.service-section .section-divider {
    width: 50px;
    height: 3px;
    margin: 0 auto;
    background: linear-gradient(90deg, #0086F1 0%, #00CCFE 100%);
    border-radius: 2px;
}
.service-section .section-desc {
    margin-top: 16px;
    color: rgba(6, 24, 40, 0.55);
    font-size: 15px;
    line-height: 28px;
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

/* ========== 服务理念 Section ========== */
.service-philosophy {
    padding: 85px 0 30px;
    background: #FFFFFF;
}
.service-philosophy .philosophy-wrap {
    width: 1200px;
    margin: 0 auto;
}
.service-philosophy .philosophy-text {
    max-width: 1000px;
    margin: 0 auto 40px auto;
    text-align: center;
    color: rgba(6, 24, 40, 0.6);
    font-size: 15px;
    line-height: 28px;
}
.service-philosophy .philosophy-img {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}
.service-philosophy .philosophy-img img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0px 6px 30px 0px rgba(28,45,64,0.10);
}

/* ========== 服务产品卡片 ========== */
.service-cards {
    padding: 30px 0 85px;
    background: #FFFFFF;
}
.service-cards-grid {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}
.service-card {
    width: calc((100% - 24px) / 2);
    padding: 38px 36px;
    background: #FFFFFF;
    border-radius: 8px;
    border: 1px solid #eef2f7;
    text-align: left;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(180deg, #2386EE 0%, #00CCFE 100%);
    opacity: 0;
    transition: opacity 0.3s;
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0px 12px 36px 0px rgba(28,45,64,0.12);
    border-color: transparent;
}
.service-card:hover::before {
    opacity: 1;
}
.service-card .card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}
.service-card .card-header .card-title {
    margin-bottom: 0;
}
.service-card .card-icon-wrap {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(35,134,238,0.08) 0%, rgba(0,204,254,0.08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #2386EE;
}
.service-card .card-title {
    margin-bottom: 12px;
    color: #061828;
    font-size: 22px;
    font-weight: 600;
}
.service-card .card-desc {
    color: rgba(6, 24, 40, 0.6);
    font-size: 14px;
    line-height: 26px;
}
.service-card .card-features {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.service-card .card-feature-tag {
    padding: 4px 12px;
    background: #F0F6FF;
    color: #2386EE;
    font-size: 12px;
    border-radius: 4px;
}

/* ========== 底部联系区域 ========== */
.service-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    padding: 60px 0;
    background: linear-gradient(135deg, #061828 0%, #0d2b45 100%);
}
.service-contact .contact-wrap {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 80px;
}
.service-contact .contact-left {
    flex: 1;
}
.service-contact .contact-left h2 {
    margin-bottom: 12px;
    color: #FFFFFF;
    font-size: 28px;
    font-weight: 600;
}
.service-contact .contact-left .contact-desc {
    margin-bottom: 10px;
    color: rgba(255,255,255,0.55);
    font-size: 15px;
    line-height: 26px;
}
.service-contact .contact-left .contact-tools {
    margin-top: 22px;
    display: flex;
    gap: 24px;
    justify-content: center;
}
.service-contact .contact-left .tool-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255,255,255,0.08);
    border-radius: 6px;
    color: rgba(255,255,255,0.75);
    font-size: 14px;
    text-decoration: none;
    transition: background 0.3s;
}
.service-contact .contact-left .tool-item:hover {
    background: rgba(255,255,255,0.15);
}
.service-contact .contact-left .tool-icon {
    font-size: 18px;
}
.service-contact .contact-right {
    width: 360px;
    flex-shrink: 0;
}
.service-contact .contact-card {
    padding: 32px 28px;
    background: rgba(255,255,255,0.06);
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}
.service-contact .contact-card h3 {
    margin-bottom: 8px;
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 600;
}
.service-contact .contact-card .contact-phone {
    margin-bottom: 18px;
    color: #5badf5;
    font-size: 24px;
    font-weight: 700;
}
.service-contact .contact-btn {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 36px;
    margin: 0;
    width: auto;
    height: auto;
    line-height: normal;
    background: linear-gradient(135deg, #2386EE 0%, #00CCFE 100%);
    color: #FFFFFF;
    font-size: 15px;
    border-radius: 25px;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0px 4px 20px 0px rgba(35,134,238,0.4);
}
.service-contact .contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0px 8px 28px 0px rgba(35,134,238,0.55);
}

/* ========== 响应式：平板 (751px - 1200px) ========== */
@media screen and (min-width: 751px) and (max-width: 1200px) {
    .service-banner .banner-content,
    .service-section,
    .service-philosophy .philosophy-wrap,
    .service-cards-grid,
    .service-contact .contact-wrap {
        width: 92%;
    }
    .service-banner {
        height: 360px;
    }
    .service-banner .banner-title {
        font-size: 32px;
    }
    .service-section .section-title {
        font-size: 26px;
    }
    .service-contact .contact-wrap {
        flex-direction: column;
        gap: 30px;
    }
    .service-contact .contact-right {
        width: 100%;
    }
    .service-card {
        padding: 28px 24px;
    }
    .service-card .card-title {
        font-size: 18px;
    }
}

/* ========== 响应式：手机 (<=750px) ========== */
@media screen and (max-width: 750px) {
    .service-banner {
        height: 320px;
        padding: 0 4vw;
    }
    .service-banner .banner-content {
        width: 100%;
        padding-top: 30px;
    }
    .service-banner .banner-title {
        font-size: 24px;
    }
    .service-banner .banner-subtitle {
        font-size: 14px;
        line-height: 22px;
    }

    .service-section {
        width: 92%;
        padding-top: 50px;
        padding-bottom: 50px;
    }
    .service-section .section-header {
        margin-bottom: 30px;
    }
    .service-section .section-title {
        font-size: 22px;
    }
    .service-section .section-desc {
        font-size: 14px;
        line-height: 24px;
    }

    .service-philosophy {
        padding: 50px 4vw;
    }
    .service-philosophy .philosophy-wrap {
        width: 100%;
    }
    .service-philosophy .philosophy-text {
        font-size: 14px;
        line-height: 24px;
        margin-bottom: 28px;
    }

    .service-cards {
        padding: 50px 0;
    }
    .service-cards-grid {
        width: 92%;
        gap: 14px;
    }
    .service-card {
        width: 100%;
        padding: 24px 20px;
    }
    .service-card .card-title {
        font-size: 17px;
    }

    .service-contact {
        padding: 50px 4vw;
    }
    .service-contact .contact-wrap {
        width: 100%;
        flex-direction: column;
        gap: 28px;
    }
    .service-contact .contact-right {
        width: 100%;
    }
    .service-contact .contact-left h2 {
        font-size: 22px;
    }
    .service-contact .contact-card .contact-phone {
        font-size: 20px;
    }
    .service-contact .contact-left .contact-tools {
        flex-direction: column;
        gap: 10px;
    }
}