.container {
    max-width: 1500px;
    margin: 0 auto;
}
/* 导航项样式 */
.nav-item {
    flex: 1;
    text-align: center;
    padding: 15px 0;
    color: #fff;
    font-size: 18px;
    text-decoration: none;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    position: relative;
}

/* 选中状态 - 上品团队 */
.nav-item.active {
    background-color: #00C08B; /* 绿色背景 */
}

.nav-item.active span {
    color: #fff; /* 保持文字为白色 */
}

/* 响应式调整 */
@media (max-width: 768px) {
    .nav-item {
        font-size: 16px;
        padding: 12px 0;
    }
}

@media (max-width: 480px) {
    .nav-item {
        font-size: 14px;
        padding: 10px 0;
    }
}
/* 顶部ID标志 */
.id-logo {
    width: 220px;
    height:220px;
    background-color: #fff;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    font-weight: bold;
    color: #000;
}

/* 主标题 */
.main-title {
    font-size: 28px;
    font-weight: normal;
    text-align: center;
    margin-bottom: 30px;
    color: #fff;
}

/* 描述段落 */
.description {
    font-size: 16px;
    text-align: center;
    margin-bottom: 40px;
    color: #fff;
    line-height: 1.8;
}

/* 数据统计部分 */
.stats-section {
    text-align: center;
    margin-bottom: 40px;
}

.stats-title {
    font-size: 20px;
    font-weight: normal;
    margin-bottom: 20px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.total-number {
    font-size: 60px;
    font-weight: bold;
    color: #00C08B;
}

.total-unit {
    font-size: 24px;
    color: #00C08B;
}

.platform-stats {
    font-size: 16px;
    color: #fff;
    line-height: 2.2;
}

/* 底部信息 */
.bottom-section {
    font-size: 16px;
    color: #fff;
    line-height: 1.8;
    text-align: center;
}

.bottom-section p {
    margin-bottom: 20px;
}

.mission {
    color: #00C08B;
    font-weight: bold;
    text-align: center;
    font-size: 18px;
    margin-top: 30px;
}

.xueyuanb {
    width: 100%;
    height: auto;
}

.xueyuanb img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.content-wrapper {
    max-width: 1500px;
    width: 100%;
    text-align: center;
    margin: 0 auto;
}

/* 主标题样式 */
.main-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 2px;
    color: #fff;
}

/* 英文标题 */
.english-title {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 30px;
    letter-spacing: 1px;
    color: #ffffff;
}

/* 栏目标题 */
.column-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 40px;
    letter-spacing: 1px;
    color: #fff;
}

/* 内容段落 */
.content-paragraph {
    font-size: 1.1rem;
    text-align: left;
    margin-bottom: 25px;
    line-height: 1.9;
    color: #fff;
}

/* 副标题/引导文字 */
.sub-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 60px;
    letter-spacing: 1px;
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.8rem;
    }
    
    .column-title {
        font-size: 1.6rem;
    }
    
    .content-paragraph {
        font-size: 1rem;
        text-indent: 1.5em;
    }
    
    .sub-title {
        font-size: 1.3rem;
    }
    
    .english-title {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2.2rem;
        margin-bottom: 10px;
    }
    
    .column-title {
        font-size: 1.4rem;
        margin-bottom: 30px;
    }
    
    .content-paragraph {
        font-size: 0.95rem;
        text-indent: 1em;
    }
    
    .sub-title {
        font-size: 1.2rem;
        margin-top: 40px;
    }
    
    .english-title {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    body {
        padding: 30px 15px;
    }
}

.content-container {
    width: 100%;
    max-width: 1500px;
    padding: 40px 20px;
    margin: 0 auto;
}

.text-line {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    line-height: 1.6;
    text-align: center;
}

.intro-text {
    font-size: 14px;
    color: #ffffff;
    white-space: nowrap;
    margin-right: 5px;
    flex-shrink: 0;
}

.designer-list {
    display: flex;
    flex-wrap: nowrap;
    font-size: 14px;
    font-weight: 700;
    color: #00C08B;
    line-height: 1.5;
    align-items: center;
}

.designer-name {
    white-space: nowrap;
    margin-right: 3px;
}

.conclusion {
    font-size: 14px;
    color: #ffffff;
    display: inline;
    white-space: nowrap;
    margin-left: 5px;
}

.separator {
    color: #00C08B;
    margin-right: 3px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .intro-text {
        font-size: 22px;
    }
    
    .designer-list {
        font-size: 32px;
    }
    
    .conclusion {
        font-size: 22px;
    }
}

@media (max-width: 768px) {
    .content-container {
        padding: 30px 15px;
    }
    
    .intro-text {
        font-size: 20px;
        margin-bottom: 8px;
        width: 100%;
    }
    
    .designer-list {
        font-size: 28px;
        margin-bottom: 8px;
    }
    
    .conclusion {
        font-size: 20px;
    }
    
    .text-line {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .intro-text {
        font-size: 18px;
    }
    
    .designer-list {
        font-size: 22px;
    }
    
    .conclusion {
        font-size: 18px;
    }
    
    .designer-name {
        margin-right: 8px;
    }
}
/* 内容文本样式 */
.company-description {
    font-size: 1.2rem;
    text-align: left;
    line-height: 2.2;
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .company-description {
        font-size: 1.1rem;
        line-height: 2;
    }
}

@media (max-width: 480px) {
    .company-description {
        font-size: 1rem;
        line-height: 1.9;
    }
    
    body {
        padding: 30px 15px;
    }
}