* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
}

.aa {
    background-color: #1a4f8c;
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

.bb {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cc {
    color: #fff;
    font-size: 24px;
    font-weight: bold;
}

.dd {
    list-style: none;
    display: flex;
    gap: 30px;
}

.dd li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.dd li a:hover {
    color: #a8c6e5;
}

.ee {
    margin-top: 70px;
    position: relative;
    height: 500px;
    overflow: hidden;
}

.ee img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ff {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.ff h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.gg {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.hh {
    width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hh h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a4f8c;
}

.ii {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.jj {
    flex: 1;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.jj img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 20px;
}

.jj h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1a4f8c;
}

.kk {
    padding: 80px 0;
}

.ll {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 30px;
}

.mm {
    flex: 1;
    position: relative;
    height: 400px;
    overflow: hidden;
    border-radius: 10px;
}

.mm img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nn {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: #fff;
}

.nn h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.oo {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 25px;
    background-color: #e74c3c;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.oo:hover {
    background-color: #c0392b;
}

.pp {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.qq {
    width: 1200px;
    margin: 0 auto;
}

.qq h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a4f8c;
    text-align: center;
}

.rr {
    display: flex;
    gap: 30px;
}

.ss {
    flex: 1;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.ss img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.tt {
    padding: 30px;
}

.tt h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1a4f8c;
}

.uu {
    display: inline-block;
    margin-top: 20px;
    padding: 8px 20px;
    background-color: #1a4f8c;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.uu:hover {
    background-color: #153d6f;
}

.vv {
    background-color: #1a4f8c;
    color: #fff;
    padding: 30px 0;
}

.ww {
    width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.ww p {
    margin: 10px 0;
}