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

body {
    font-family: "Microsoft YaHei", sans-serif;
    background-color: #fff;
    color: #000;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 头部区域 */
header {
    width: 100%;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    position: relative;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 20px;
}

.logo {
    width: 240px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.top-right {
    position: absolute;
    top: 30px;
    right: 5%;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    font-size: 14px;
    color: #333;
}

.top-right .icons {
    display: flex;
    gap: 5px;
}

.top-right .icons img {
    width: 20px;
    height: 20px;
}

.top-right .phone {
    margin-top: 5px;
    font-size: 14px;
}

/* 导航栏 */
nav {
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 20px 0;
    position: relative;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 60px;
}

nav li {
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

nav li:hover {
    color: #2e7d32;
}

nav li::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #2e7d32;
    transition: width 0.3s ease;
}

nav li:hover::after {
    width: 100%;
}

/* 主体内容区 */
main {
    width: 100%;
    height: calc(100vh - 120px);
    background-color: #fff;
}

/* 页脚 */
footer {
    width: 100%;
    background-color: #333;
    color: white;
    padding: 30px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
}

.footer-logo {
    width: 180px;
    height: 50px;
    background-color: transparent;
}

.footer-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.footer-contact img {
    width: 20px;
    height: 20px;
}

.footer-right {
    display: flex;
    gap: 15px;
    font-size: 14px;
}

.footer-right a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-right a:hover {
    color: #2e7d32;
}

.footer-arrow {
    width: 10px;
    height: 10px;
    margin-left: 10px;
    transform: rotate(180deg);
    transition: transform 0.3s ease;
}

.footer-arrow:hover {
    transform: rotate(0deg);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 100px auto;
}