/* 全局基础样式重置与统一 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
    background-color: #ffffff;
    color: #1e293b;
    line-height: 1.8;
}

/* 容器样式 - 居中适配 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* 欢迎区样式 */
.welcome-animation {
    text-align: center;
    padding: 50px 0;
    margin-bottom: 50px;
}

.welcome-text {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #165dff;
}

.subtitle {
    font-size: 18px;
    color: #64748b;
}

/* 主内容区通用样式 */
.main-content {
    padding: 20px 0;
}

/* 板块标题通用样式 */
.page-title {
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 16px;
    color: #1e293b;
}

.page-subtitle {
    font-size: 14px;
    color: #64748b;
    text-align: center;
    margin-bottom: 40px;
}

/* 为什么选择我们 - 卡片布局 */
.why-choose-us {
    margin-bottom: 80px;
}

.choose-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .choose-cards {
        grid-template-columns: 1fr;
    }
    
    .welcome-text {
        font-size: 28px;
    }
    
    .page-title {
        font-size: 24px;
    }
}

/* 选择我们 - 卡片样式 */
.choose-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    padding: 24px;
    border-radius: 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 20px;
}

.choose-card.active {
    background: #e8f3ff;
    border-color: #165dff;
}

.choose-card:hover {
    box-shadow: 0 2px 12px rgba(22, 93, 255, 0.1);
}

.card-content {
    flex: 1;
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1e293b;
}

.card-desc {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 16px;
    line-height: 1.7;
}

.card-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.card-tag {
    font-size: 12px;
    padding: 4px 12px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 4px;
}

.card-icon {
    font-size: 36px;
    color: #165dff;
    flex-shrink: 0;
}

/* 关于我们板块 */
.about-company {
    margin-bottom: 80px;
    padding: 0 20px;
}

.about-company h2 {
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 24px;
    color: #1e293b;
}

.about-company p {
    font-size: 15px;
    color: #475569;
    margin-bottom: 16px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 新闻资讯板块 */
.news-section {
    margin-bottom: 80px;
}

.news-desc {
    font-size: 14px;
    color: #64748b;
    text-align: center;
    margin-top: -8px;
}

/* 联系我们板块 */
.contact-us {
    margin-bottom: 40px;
    text-align: center;
}

.contact-us h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 24px;
    color: #1e293b;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: #475569;
}

.contact-item i {
    color: #165dff;
    font-size: 18px;
}

.contact-btn {
    display: inline-block;
    background: #165dff;
    color: #ffffff;
    padding: 10px 30px;
    text-decoration: none;
    border-radius: 0;
    font-size: 15px;
    transition: background 0.3s ease;
}

.contact-btn:hover {
    background: #0f4cd8;
}

/* 弹窗公告样式 */
.notice-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.notice-modal-content {
    background: #fff;
    border: 2px solid #165DFF;
    width: 100%;
    max-width: 600px;
    padding: 24px;
    position: relative;
}

.notice-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 20px;
    color: #666;
    cursor: pointer;
    transition: color 0.3s;
}

.notice-modal-close:hover {
    color: #165DFF;
}

.notice-modal-title {
    font-size: 20px;
    font-weight: 600;
    color: #165DFF;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid #E2E8F0;
}

.notice-modal-desc {
    line-height: 1.8;
    color: #333;
    margin-bottom: 20px;
    font-size: 14px;
}

.notice-modal-btn {
    background: #165DFF;
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 0;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    transition: background 0.3s ease;
}

.notice-modal-btn:hover {
    background: #0F4CD8;
}