/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container {

}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* 栏目大图模块 */
.solution-banner {
    position: relative;
    min-height: 500px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    padding: 80px 0;
    overflow: hidden;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #f5f5f5;
    z-index: 0;
}

.solution-banner .container {
    position: relative;
    z-index: 1;
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.banner-left {
    flex: 1;
}

.banner-title {
    font-size: 48px;
    font-weight: bold;
    color: #000;
    margin-bottom: 20px;
    line-height: 1.2;
}

.banner-subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.banner-phone-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: #ef8624;
    color: #fff;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
}

.banner-phone-btn:hover {
    background: #d6731f;
}

.phone-icon {
    font-size: 20px;
}

.banner-right {
    flex: 1;
}

.banner-image {
    width: 100%;
    height: 400px;
    background: #ef8624;
    border-radius: 8px;
    overflow: hidden;
}

.banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 分类切换模块 */
.solution-category-nav {
    background: #f8f8f8;
    border-bottom: 1px solid #eee;
    transition: all 0.3s;
    position: relative;
    z-index: 100;
}

.solution-category-nav.fixed {
    position: fixed;
    top: 85px;
    left: 0;
    right: 0;
    z-index: 999;
}

.solution-category-nav .container {
    padding: 15px 20px;
}

.category-tabs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 70px;
}

.category-tabs li {
    position: relative;
}

.category-tabs li a {
    display: block;
    padding: 10px 0;
    color: #666;
    font-size: 18px;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.category-tabs li.active a,
.category-tabs li a:hover {
    color: #ef8624;
    font-weight: 700;
}

.category-tabs li.active a::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    right: 0;
    height: 2px;
    background: #ef8624;
}

/* 行业痛点模块 */
.solution-pain-points {
    padding: 80px 0;
    background: #fff;
}

.section-title {
    font-size: 40px;
    color: #000;
    text-align: center;
    margin-bottom: 40px;
}

.section-subtitle {
font-size: 24px;
    color: #000;
    text-align: left;
    max-width: 600px;
    display: block;
    margin: 30px auto 20px;
}

.pain-points-content {
    max-width: 1200px;
    margin: 0 auto;
}

.pain-points-text {
    flex: 1;
}

.pain-points-list {
    max-width: 600px;
    display: block;
    margin: 0 auto;
}

.pain-points-list li {
    color: #666666;
    font-size: 16px;
    line-height: 28px;
    position: relative;
}

/*.pain-points-list li::before {*/
/*    content: '';*/
/*    position: absolute;*/
/*    left: 0;*/
/*    top: 18px;*/
/*    width: 6px;*/
/*    height: 6px;*/
/*    background: #ef8624;*/
/*    border-radius: 50%;*/
/*}*/

.pain-points-image {
    flex: 1;
    min-height: 300px;
    background: #ef8624;
    border-radius: 8px;
    overflow: hidden;
    margin-top: 40px;
}

.pain-points-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 300px;
}

/* 解决方案模块 */
.solution-solutions {
    padding: 80px 0;
    background: #f8f8f8;
}

.solution-tabs {
    max-width: 1400px;
    margin: 0 auto;
}

.solution-tab-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    padding-bottom: 0;
}

.solution-tab-nav li {
    padding: 10px 30px;
    cursor: pointer;
    color: #999;
    font-size: 16px;
    transition: all 0.3s;
    position: relative;
    border-bottom: none;
    background: #fff;
    border-radius: 10px;
}

.solution-tab-nav li.active {
    color: #fff;
    background: #ef8624;
}

.solution-tab-content {
    position: relative;
}

.solution-tab-item {
    display: none;
}

.solution-tab-item.active {
    display: block;
}

.solution-content-wrapper {
    display: flex;
    align-items: center;
    gap: 40px;
    background: #fff;
    border-radius: 8px;
}

.solution-image {
    flex: 0 0 50%;
    max-width: 50%;
    min-height: 300px;
    background: #ef8624;
    border-radius: 8px;
    overflow: hidden;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 300px;
}

.solution-text {
    flex: 1;
}

.solution-title {
    font-size: 30px;
    font-weight: 700;
    color: #000;
    margin-bottom: 30px;
}

.solution-desc {
    font-size: 16px;
    color: #666;
    line-height: 28px;
    margin-bottom: 30px;
    max-width: 80%;
}

.solution-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.solution-btn {
padding: 10px 30px;
    border-radius: 30px;
    font-size: 16px;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: #ef8624;
    color: #fff;
}

.btn-primary:hover {
    background: #d6731f;
}

.btn-outline {
    background: #fff;
    color: #ef8624;
    border: 1px solid #ef8624;
}

.btn-outline:hover {
    background: #ef8624;
    color: #fff;
}

/* 方案价值模块 */
.solution-value {
    padding: 80px 0;
    background: #fff;
}

.value-cards {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.value-card {
    flex: 1;
    padding: 40px 30px;
    text-align: center;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    transition: all 0.3s;
    cursor: pointer;
}

.value-card:hover {
    background: #ef8624;
    border-color: #ef8624;
    transform: translateY(-5px);
}

.value-card:hover .value-icon,
.value-card:hover .value-title,
.value-card:hover .value-desc,
.value-card:hover .value-number,
.value-card:hover .value-icon-lightning {
    color: #fff;
}

.value-card:hover .value-icon {
    border-color: #fff;
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #ef8624;
    border-radius: 4px;
    transition: all 0.3s;
}

.value-number {
    font-size: 36px;
    font-weight: bold;
    color: #ef8624;
    transition: all 0.3s;
}

.value-icon-lightning {
    font-size: 36px;
    color: #ef8624;
    transition: all 0.3s;
}

.value-title {
    font-size: 18px;
    font-weight: bold;
    color: #000;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.value-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    transition: all 0.3s;
}

/* 成功案例模块 */
.solution-cases {
    padding: 80px 0;
    background: #f8f8f8;
}

.case-featured {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    background: #fff;
    padding: 40px;
    border-radius: 8px;
}

.case-featured-image {
    flex: 0 0 50%;
    max-width: 50%;
    position: relative;
}

.case-video-placeholder {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #ef8624;
    border-radius: 8px;
    overflow: hidden;
}

.case-video-placeholder img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 2;
}

.case-featured-text {
    flex: 1;
}

.case-title {
    font-size: 24px;
    font-weight: bold;
    color: #000;
    margin-bottom: 20px;
}

.case-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.case-btn {
    display: inline-block;
    padding: 12px 24px;
    background: #fff;
    color: #ef8624;
    border: 1px solid #ef8624;
    border-radius: 4px;
    font-size: 16px;
    transition: all 0.3s;
}

.case-btn:hover {
    background: #ef8624;
    color: #fff;
}

.case-cards {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.case-card {
    flex: 1;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
}

.case-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.case-card-image {
    width: 100%;
    padding-top: 75%;
    position: relative;
    background: #ef8624;
    overflow: hidden;
}

.case-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-card-text {
    padding: 20px;
}

.case-card-title {
    font-size: 18px;
    font-weight: bold;
    color: #000;
    margin-bottom: 15px;
}

.case-card-btn {
    display: inline-block;
    color: #ef8624;
    font-size: 16px;
    transition: all 0.3s;
}

.case-card-btn:hover {
    color: #d6731f;
}

/* 响应式设计 */
@media (max-width: 991px) {
    .banner-content {
        flex-direction: column;
        gap: 40px;
    }

    .banner-title {
        font-size: 36px;
    }

    .banner-image {
        height: 300px;
    }

    .category-tabs {
        gap: 20px;
        flex-wrap: wrap;
    }

    .category-tabs li a {
        font-size: 14px;
    }

    .pain-points-content {
        flex-direction: column;
    }

    .solution-content-wrapper {
        flex-direction: column;
    }

    .solution-image {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .value-cards {
        flex-direction: column;
    }

    .case-featured {
        flex-direction: column;
    }

    .case-featured-image {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .case-cards {
        flex-direction: column;
    }

    .section-title {
        font-size: 28px;
    }
}

@media (max-width: 767px) {
    .solution-banner {
        min-height: 400px;
        padding: 40px 0;
    }

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

    .banner-subtitle {
        font-size: 16px;
    }

    .solution-pain-points,
    .solution-solutions,
    .solution-value,
    .solution-cases {
        padding: 40px 0;
    }

    .solution-tab-nav {
        flex-wrap: wrap;
        gap: 10px;
    }

    .solution-tab-nav li {
        padding: 10px 20px;
        font-size: 14px;
    }

    .solution-content-wrapper {
        padding: 20px;
    }
}