.about-page {
    width: 100%;
    background: #fff;
}

/* 吸顶菜单 */
.about-nav-wrap {
    width: 100%;
    background: #fff;
    border-bottom: 1px solid #edf0f7;
    position: sticky;
    top: 101px;
    z-index: 88;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.04);
}

.about-nav {
    display: flex;
    justify-content: center;
    gap: 18px;
    padding: 18px 0;
}

.about-nav a {
    display: block;
    min-width: 130px;
    height: 44px;
    line-height: 42px;
    text-align: center;
    border: 1px solid #e1e5f0;
    border-radius: 24px;
    color: #333;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.25s ease;
}

.about-nav a:hover,
.about-nav a.active {
    background: #0000fe;
    border-color: #0000fe;
    color: #fff;
}

.about-section {
    padding: 80px 0;
    scroll-margin-top: 100px;
}

.about-section + .about-section {
    border-top: 1px solid #f0f2f8;
}

.about-title {
    text-align: center;
    margin-bottom: 45px;
}

.about-title h2 {
    margin: 0;
    font-size: 36px;
    line-height: 46px;
    color: #111;
    font-weight: bold;
}

.about-title p {
    margin: 8px 0 0;
    font-size: 15px;
    line-height: 24px;
    color: #999;
    text-transform: uppercase;
}

/* 企业介绍 */
.about-intro-box {
    display: grid;
    grid-template-columns: 48% 1fr;
    gap: 60px;
    align-items: center;
}

.about-intro-img {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
}

.about-intro-img img {
    display: block;
    width: 100%;
    transition: all 0.4s ease;
}

.about-intro-img:hover img {
    transform: scale(1.05);
}

.about-intro-text h3 {
    margin: 0 0 24px;
    font-size: 30px;
    line-height: 40px;
    color: #111;
}

.about-intro-text p {
    margin: 0 0 18px;
    font-size: 16px;
    line-height: 32px;
    color: #555;
}

/* 企业文化 */
.about-culture-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.about-culture-item {
    background: #f7f9ff;
    border-radius: 14px;
    padding: 38px 32px;
    transition: all 0.25s ease;
}

.about-culture-item:hover {
    background: #fff;
    box-shadow: 0 16px 38px rgba(0, 0, 254, 0.12);
    transform: translateY(-6px);
}

.about-culture-item .num {
    width: 58px;
    height: 58px;
    line-height: 58px;
    border-radius: 50%;
    background: #0000fe;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 22px;
}

.about-culture-item h3 {
    margin: 0 0 14px;
    font-size: 22px;
    line-height: 32px;
    color: #111;
}

.about-culture-item p {
    margin: 0;
    font-size: 15px;
    line-height: 28px;
    color: #666;
}

/* 服务优势 */
.about-advantage-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.about-advantage-item {
    display: grid;
    grid-template-columns: 190px 1fr;
    gap: 24px;
    align-items: center;
    background: #fff;
    border: 1px solid #edf0f7;
    border-radius: 14px;
    padding: 22px;
    transition: all 0.25s ease;
}

.about-advantage-item:hover {
    box-shadow: 0 16px 38px rgba(0, 0, 254, 0.12);
    transform: translateY(-6px);
}

.about-advantage-item img {
    display: block;
    width: 190px;
    height: 132px;
    object-fit: cover;
    border-radius: 10px;
}

.about-advantage-item h3 {
    margin: 0 0 12px;
    font-size: 22px;
    line-height: 32px;
    color: #111;
}

.about-advantage-item p {
    margin: 0;
    font-size: 15px;
    line-height: 28px;
    color: #666;
}

/* 公司环境 */
.about-env-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.about-env-item {
    position: relative;
    display: block;
    height: 230px;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
}

.about-env-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
}

.about-env-item::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 45%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0));
    z-index: 1;
}

.about-env-item span {
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 2;
    width: 100%;
    padding: 16px 18px;
    color: #fff;
    font-size: 17px;
    line-height: 26px;
}

.about-env-item:hover img {
    transform: scale(1.06);
}