/* 固定头部容器 - 联系方式栏和导航栏一起固定 */
.header-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    transition: transform 0.3s ease-in-out;
}

.header-wrapper.header-hidden {
    transform: translateY(-100%);
}

/* 联系方式栏 - 一排显示 */
.contact-bar {
    background: #333;
    color: #fff;
    padding: 6px 0;
    font-size: 13px;
    position: relative;
    z-index: 1031;
    white-space: nowrap;
    overflow: hidden;
}

.contact-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}

.contact-bar .contact-left {
    display: flex;
    align-items: center;
    gap: 20px;
    white-space: nowrap;
}

.contact-bar .contact-right {
    white-space: nowrap;
}

.contact-bar a {
    color: #fff;
    text-decoration: none;
}

.contact-bar a:hover {
    color: #a400fd;
}

.contact-bar i {
    margin-right: 5px;
}

/* 导航栏在固定容器内，取消原fixed-top */
.header-wrapper .navbar {
    position: relative !important;
    top: auto !important;
}

/* 页面内容顶部间距，为固定头部留空 */
body {
    padding-top: 110px;
}

/* Logo文字样式 */
.navbar-brand-text {
    font-size: 18px;
    line-height: 1.3;
    font-weight: bold;
    font-family: 'Playfair Display', serif;
}

/* 业务页面banner */
.banner-business {
    background: url(../images/bg2.jpg) no-repeat center;
    background-size: cover;
    min-height: 350px;
    position: relative;
}

.banner-business::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.banner-business h2 {
    position: relative;
    z-index: 1;
    color: #fff;
    padding-top: 150px;
    font-size: 42px;
    font-style: italic;
    text-align: center;
}

/* 服务卡片 */
.service-card {
    padding: 40px 30px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    background: #fff;
    margin-bottom: 30px;
    transition: 0.3s;
}

.service-card:hover {
    box-shadow: 0 0 20px rgba(164, 0, 253, 0.2);
    transform: translateY(-5px);
}

.service-card i {
    font-size: 40px;
    color: #a400fd;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    color: #000;
    margin-bottom: 15px;
}

.service-card p {
    color: #777;
    line-height: 1.8;
}

/* 发展历程时间线 */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline-item {
    padding: 20px 30px;
    background: #f9f9f9;
    margin-bottom: 20px;
    border-left: 4px solid #a400fd;
}

.timeline-item h4 {
    color: #a400fd;
    font-size: 22px;
    margin-bottom: 10px;
}

.timeline-item ul {
    list-style: none;
    padding: 0;
}

.timeline-item li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.timeline-item li::before {
    content: '•';
    color: #a400fd;
    position: absolute;
    left: 0;
}

/* 统计数据 */
.stats-section {
    background: #a400fd;
    color: #fff;
    padding: 60px 0;
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

/* FAQ样式 */
.faq-item {
    margin-bottom: 20px;
    border: 1px solid #eee;
    border-radius: 5px;
    overflow: hidden;
}

.faq-question {
    background: #f9f9f9;
    padding: 15px 20px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
}

.faq-answer {
    padding: 15px 20px;
    color: #666;
    line-height: 1.8;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* 关键词高亮 */
.keyword-highlight {
    color: #a400fd;
    font-weight: 600;
}