* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", sans-serif;
}
ul {
    list-style: none;
}
a {
    text-decoration: none;
    color: #333;
}
.container {
    width: 1200px;
    margin: 0 auto;
}

/* 头部导航 */
header {
    background: #165DFF;
    height: 70px;
    line-height: 70px;
}
.header-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
}
.logo span {
    color: #ffd700;
}
.nav-list {
    display: flex;
}
.nav-list li {
    margin: 0 20px;
}
.nav-list li a {
    color: #fff;
    font-size: 16px;
    transition: 0.3s;
}
.nav-list li a:hover {
    color: #ffd700;
}
.nav-list li a.active {
    color: #ffd700;
}
.login-box .btn {
    padding: 8px 20px;
    border-radius: 4px;
    font-size: 14px;
    margin-left: 10px;
}
.login-btn {
    background: transparent;
    border: 1px solid #fff;
    color: #fff;
}
.reg-btn {
    background: #ffd700;
    color: #165DFF;
    border: none;
}

/* 轮播Banner */
.banner {
    width: 1200px;
    height: 360px;
    overflow: hidden;
    position: relative;
    margin: 20px auto;
    border-radius: 8px;
}
.banner-ul {
    width: 3600px;
    height: 100%;
    display: flex;
    transition: all 0.5s ease;
}
.banner-item {
    width: 1200px;
    height: 360px;
}
.banner-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.banner-dot {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
}
.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ccc;
    margin: 0 6px;
    cursor: pointer;
}
.dot.active {
    background: #165DFF;
}

/* 新闻与帮助信息双栏区域 */
.news-wrap {
    margin: 40px auto;
    display: flex;
    justify-content: space-between;
}
.news-box {
    width: 48%;
}
.title-line {
    display: flex;
    justify-content: space-between;
    border-bottom: 2px solid #165DFF;
    padding-bottom: 10px;
    margin-bottom: 20px;
}
.title-line h2 {
    color: #165DFF;
    font-size: 20px;
}
.more {
    color: #666;
    font-size: 14px;
}
.news-list li {
    height: 40px;
    line-height: 40px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
}
.news-list li a:hover {
    color: #165DFF;
}
.news-time {
    color: #999;
    font-size: 14px;
}

/* 友情链接区域 */
.link-box {
    width: 1200px;
    margin: 30px auto;
    padding: 20px;
    border: 1px solid #eee;
    border-radius: 6px;
}
.link-box h3 {
    color: #165DFF;
    margin-bottom: 15px;
    font-size: 18px;
}
.link-list a {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid #165DFF;
    color: #165DFF;
    border-radius: 3px;
    margin: 0 8px 10px 0;
    transition: 0.2s;
}
.link-list a:hover {
    background: #165DFF;
    color: #fff;
}

/* 平台优势 */
.advantage {
    background: #f5f7fa;
    padding: 50px 0;
}
.adv-title {
    text-align: center;
    font-size: 22px;
    color: #333;
    margin-bottom: 40px;
}
.adv-wrap {
    display: flex;
    justify-content: space-between;
}
.adv-item {
    width: 22%;
    text-align: center;
}
.adv-item h3 {
    color: #165DFF;
    margin: 15px 0;
    font-size: 18px;
}
.adv-item p {
    color: #666;
    line-height: 1.7;
    font-size: 14px;
}

/* 内页通用内容容器 */
.page-content {
    width: 1200px;
    margin: 40px auto;
    min-height: 400px;
}
.page-content h1 {
    color: #165DFF;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #165DFF;
}
.page-text {
    line-height: 2;
    font-size: 16px;
    color: #444;
}

/* 底部版权 */
footer {
    background: #0F3885;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    margin-top: 30px;
}
footer p {
    font-size: 14px;
    line-height: 1.8;
    color: #ccc;
}