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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f7f7f7;
}

/* 修改容器基础样式 */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 160px;

}

/* 修改 hero 区域样式 */
.hero {
    width: 100%;
    height: 645px;
    margin: 0 auto;
    padding: 60px;
    background-image: url(images/bg1.png);
    background-size:cover;
    background-position: center;
    /* background-repeat: no-repeat; */
    position: relative;
    margin-top: 90px;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-top: 140px;
    padding-left: 200px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    object-fit: cover;
}

.hero .container {
    display: grid;

    align-items: center;
}

.hero h1 {
    font-size: 80px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 109.76px;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 20px;
}

.features {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.feature {
    position: relative;
    background: transparent;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 36px;
    font-weight: 500;
    letter-spacing: 0px;
    line-height: 49.39px;
    color: rgba(51, 51, 51, 1);
    white-space: nowrap;
    z-index: 1;
    text-align: center;
    width: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.features {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    justify-content: flex-start;
}

.feature::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 20;
    width: 161px;
    height: 31px;
    background: rgba(222, 222, 222, 1);
    z-index: -1;
}

.description {
    color: #666;
    margin-bottom: 30px;
    width: 580px;

}

.hero-image img {
    max-width: 100%;
    height: auto;
}





/* 特点展示区域样式 */
.features-section {
    padding: 60px 0;
    background: #f7f7f7;
}

.feature-grid {
    width: 100%;
    /* max-width: 1200px; */
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;

}

.feature-card {
    background: #fff;
    border-radius: 8px;
    /* box-shadow: 0 2px 10px rgba(0,0,0,0.1); */
    padding: 30px;
    width: 100%;
}

.title {
    font-size: 64px;
    font-weight: 800;
}

/* 响应式布局调整 */
@media (max-width: 768px) {
    .hero {
        width: 100%;
        height: auto;
        background-size:cover;
        /* background-size:contain */
    }
    .hero-content{
        padding-top: 0px;
        padding-left: 0px;
    }

    .title {
        font-size: 36px;
        font-weight: 800;
        /* margin-bottom: 80px; */

    }

    .feature {
        font-size: 18px;
        gap: 10px;
        margin-left: -20px;
    }

    .feature::after {
        width: 100px;
    }

    .features{
        /* padding-top: 80px; */
    }

    h1 {
        font-size: 24px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .container {
        padding: 0 10px;
    }

    .description {
        width: 100%;
        /* display: none; */
    }
}

.feature-card {
    flex: 0 0 calc(50% - 10px);
    display: flex;
    gap: 15px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    /* box-shadow: 0 2px 10px rgba(0,0,0,0.1); */
    padding: 30px;
}

#con1 {
    display: flex;
    flex-direction: row;
    background: #fff;
    /* box-shadow: 0 2px 10px rgba(0,0,0,0.1); */
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: #0066cc;
    flex-shrink: 0;
}

.feature-content {
    flex: 1;
}

.feature-content img {
    width: 100%;
    max-width: 300px;
    height: auto;
    margin-bottom: 15px;
}

.feature-content p {
    color: rgba(102, 102, 102, 1);
    line-height: 1.6;
}

.feature-content-special .text-content p {
    line-height: 1.6;
    color: rgba(102, 102, 102, 1);
}

#con3 .text-content p,
#con4 .text-content p {
    color: rgba(102, 102, 102, 1);
}

.feature-content p {
    color: rgba(102, 102, 102, 1);
    line-height: 1.6;
}

.feature-content-special {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 20px;
}

.feature-content-special .text-wrapper {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.feature-content-special .feature-icon {
    width: 40px;
    height: 40px;
    background: #0066cc;
    flex-shrink: 0;
}

.feature-content-special .text-content {
    flex: 1;
}

.feature-content-special .text-content p {
    line-height: 1.6;
    color: #333;
}

.feature-content-special .image-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

.feature-content-special .image-container img {
    width: 392px;
    height: 268px;
    object-fit: cover;
}

#con3,
#con4 {
    padding: 20px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .feature-content-special .text-wrapper {
        flex-direction: column;
    }

    .feature-content-special .image-container img {
        width: 100%;
        height: auto;
    }
}

/* 响应式布局 */
@media (max-width: 768px) {
    .feature-card {
        flex: 0 0 100%;
    }
}

.specs-section {
    padding: 60px 0;
    background: url(./images/bg3.png);
    background-size: cover;
    position: relative;
    min-height: 800px;
}

.specs-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.bottom-content {
    display: grid;
    grid-template-columns: 1fr 600px;
    /* 修改列宽比例 */
    gap: 40px;
    align-items: start;
}

.specs-image {
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.specs-image img {
    max-width: 600px;
    /* 限制图片最大宽度 */
    width: 100%;
    height: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .bottom-content {
        grid-template-columns: 1fr;
    }

    .specs-image img {
        max-width: 100%;
    }
}

.feature-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    background: none;
}

.feature-content-special .feature-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    background: none;
}

.spec-item {
    position: relative;
    padding-left: 40px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.spec-number {
    position: static;
    width: 30px;
    height: 30px;
    background: rgba(42, 100, 152, 1);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.spec-content {
    flex: 1;
}

.spec-item h3 {
    color: rgba(42, 100, 152, 1);
    margin-bottom: 10px;
    font-size: 18px;
    display: inline-block;
}