/* 品牌头部信息 */
.brand-header {
    max-width: 1280px;
    margin: 20px auto 0px auto;
    padding-top: 30px;
    padding-left: 40px;
    padding-right: 40px;
    background-color: rgba(248, 248, 248, 1);
    width: 100%;
    height: 434px;
}
.brand-top {
    display: flex;
    align-items: center;
    height: 150px;
}
.brand-logo {
    width: 140px;
    height: 70px;
    margin-right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.brand-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.brand-info {
    flex: 1;
    max-width: 600px;
}
.brand-name {
    font-size: 24px;
    font-weight: 700;
    height: 35px;
    color: rgba(51, 51, 51, 1);
}
.brand-meta-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 13px;
    font-size: 14px;
    font-weight: 400;
     color: rgba(51, 51, 51, 1);
}
.brand-website {
    text-align: left;
    max-width: 500px;
}
.website-label {
    font-size: 14px;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 20px;
    padding-top:0px;
}
.website-link {
    color: rgba(18, 95, 188, 1);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    word-break: break-all;
}
.website-link:hover {
    text-decoration: underline;
}
.brand-intro {
    padding-top: 20px;
    border-top: 1px solid rgba(221, 221, 221, 1);
}
.intro-title {
    font-size: 16px;
    font-weight: 700;
    height: 23px;
    margin-bottom: 20px;
}
.intro-content {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.8;
    color: rgba(51, 51, 51, 1);
    text-align: justify;
    height: 23px;
}

/* 主体内容区 */
.main-content {
    max-width: 1280px;
    margin: 20px auto;
    padding: 20px;
    display: flex;
    gap: 40px;
    width: 100%;
    background-color: #fff;
}
.left-section {
    flex: 1;
    min-width: 0;
}
.right-section {
    width: 300px;
    flex-shrink: 0;
}
.section-block {
    margin-bottom: 25px;
}
.section-title {
    font-size: 16px;
    font-weight: 700;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 12px;
    padding-bottom: 8px;
}
.product-desc {
    font-size: 14px;
    font-weight: 400px;
    line-height: 1.8;
    color: rgba(51, 51, 51, 1);
    text-align: justify;
    height: 20px;
}
.application-list {
    list-style: none;
    padding-left: 0;
}
.application-list li {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 3px;
}
.section-block .contact-info {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(51, 51, 51, 1);
    padding-top: 0px;
}
.contact-label {
    font-weight: 500;
    margin-bottom: 8px;
    color: #666;
}
.contact-item {
    margin-bottom: 5px;
}

/* 选型手册 */
.manual-list {
    list-style: none;
}
.manual-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f5f5f5;
}
.manual-item:last-child {
    border-bottom: none;
}
.manual-item img {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}
.manual-item a {
    display: flex;
    align-items: center;
    color: rgba(51, 51, 51, 1);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    flex: 1;
}
.manual-item a:hover {
    color: #1677ff;
}
.manual-name {
    word-break: break-all;
}
.manual-size {
    font-size: 12px;
    color: #999;
    margin-left: 15px;
    white-space: nowrap;
}