#chairman {
    position: relative;
}

#chairman .image {
    height: 420px;
}

#chairman .image img{
    height: 100%;
    width: 100%;
    object-fit: cover;
}

#chairman .overlay-box {
    position: absolute;
    top: 50%;           /* 垂直居中 */
    left: 50%;          /* 水平居中 */
    transform: translate(-50%, -50%); /* 使中心点对齐 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 50px
}

#chairman .overlay-box .title {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 40px;
    font-weight: bolder;
    color: #FFFFFF;
    text-align: center;
}

#chairman .image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.read-more a {
    cursor: pointer;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.read-more a img {
    display: block;
    width: 100%;
    height: auto;
}

/* hover 图 */
.read-more a::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url(../images/read_more_hover.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;  /* 强制完全铺满 */
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

/* 悬浮滑入 */
.read-more a:hover::after {
    transform: translateX(0);
}

.item {
    box-sizing: border-box;
    padding: 80px 0;
}

.item.gray {
    background: #F3F3F3;
}

.item .main {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.item .main .left {
    width: 420px;
    height: 420px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.item .title {
    line-height: 70px;
    font-family: Times New Roman, Times, serif;
    font-size: 36px;
    font-weight: bolder;
    color: #000000;
}

.item .line {
    width: 420px;
    height: 2px;
    background: linear-gradient(to right, #770000 0%, #770000 25%, #ddd 25%, #ddd 100%);
}

.item .content {
    white-space: pre-wrap;
    line-height: 2;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    font-weight: bolder;
    color: #000000;
}

.item img {
    width: 720px;
    height: 420px;
}

.single-link {
    margin: 40px 0;
    display: flex;
    flex-direction: row;
    gap: 100px;
}

.more a {
    font-family: Arial;
    line-height: 45px;
    font-size: 18px;
    color: #666666;
    font-weight: normal;
    font-style: normal;
    position: relative;
    text-decoration: none;
}

/* 默认显示“细线” */
.more a::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;                     /* 默认细线高度 */
    background-color: #444444;
}

.more a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 4px;                     /* 最终粗线高度 */
    background-color: #444444;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

/* hover 展开粗线 */
.more a:hover::after {
    transform: scaleX(1);
}