/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 根元素样式 */
:root {
    --primary-color: #8B0000;
    --secondary-color: #D4AF37;
    --text-color: #333;
    --bg-color: #fff;
    --header-height: 120px;
    --nav-height: 50px;
}

/* 基础样式 */
body {
    font-family: "Microsoft YaHei", "SimSun", sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* 头部样式 */
header {
    background-color: var(--bg-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 60px;
    margin-right: 15px;
}

.logo h1 {
    font-size: 24px;
    color: var(--primary-color);
}

.header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.language-switch {
    margin-bottom: 10px;
}

.language-switch a {
    color: var(--text-color);
    padding: 0 10px;
}

.language-switch a.active {
    color: var(--primary-color);
}

.search {
    display: flex;
    align-items: center;
}

.search input {
    padding: 5px 10px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    outline: none;
}

.search button {
    padding: 5px 15px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}

/* 导航样式 */
nav {
    background-color: var(--primary-color);
    padding: 0;
}

.main-nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
}

.main-nav li a {
    color: white;
    padding: 15px 20px;
    display: block;
    transition: background-color 0.3s;
}

.main-nav li a:hover,
.main-nav li a.active {
    background-color: var(--secondary-color);
}

/* 主要内容区域 */
main {
    max-width: 1200px;
    margin: calc(var(--header-height) + var(--nav-height)) auto 30px;
    padding: 0 15px;
}

section {
    margin-bottom: 40px;
}

section h2 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 20px;
    text-align: center;
    position: relative;
}

section h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 10px auto;
}

/* 底部样式 */
footer {
    background-color: #333;
    color: white;
    padding: 40px 0 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-content h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a:hover {
    color: var(--secondary-color);
}

.copyright {
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        text-align: center;
    }

    .header-right {
        margin-top: 15px;
        align-items: center;
    }

    .main-nav {
        flex-wrap: wrap;
    }

    .main-nav li {
        width: 50%;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}