/* header.css */
.banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: white;
    z-index: 1000;
    display: flex;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 三等分容器 */
.banner-section {
    flex: 1; /* 关键：三等分基础 */
    min-width: 0; /* 防止内容溢出 */
    display: flex;
    position: relative;
}

/* 左侧区域：LOGO居中 */
.left-section {
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
}

.left-section img {
    width: 320px;
    height: 80px;
    object-fit: contain;
    display: block;
    max-width: 100%;
}

/* 中间留空区域 */
.center-section {
    /* 无内容保持空白 */
}

/* 右侧区域：链接居中 */
.right-section {
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
    gap: 20px;
    padding-right: 20px;
}

.right-section img {
    width: 120px;
    height: 80px;
    object-fit: contain;
    display: block;
    max-width: 100%;
}


/* 禁用文字选择 */
.banner{
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}