* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", "PingFang TC", Arial, sans-serif;
}
html, body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    scroll-behavior: smooth;
    background: #fff;
}
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}
/* 顶部 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    z-index: 999;
    transition: all 0.3s;
}
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}
.logo img {
    height: 50px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}
.nav-menu li {
    margin-left: 40px;
}
.nav-menu a {
    text-decoration: none;
    color: #222;
    font-size: 17px;
    font-weight: 500;
    transition: all 0.3s;
}
.nav-menu a:hover {
    color: #0d47a1;
}
.nav-menu .nav-menu-bold{
	 font-weight: 600;
}

.lang-switch {
    margin-left: 25px;
    padding: 8px 16px;
    border: 2px solid #0d47a1;
    background: transparent;
    color: #0d47a1;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}
.lang-switch:hover {
    background: #0d47a1;
    color: #fff;
}
.mobile-menu-btn {
    display: none;
    font-size: 28px;
    background: none;
    border: none;
    color: #222;
    cursor: pointer;
} 

/* 底部 */
.footer {
    background: #111;
    color: #fff;
    padding: 70px 0 30px;
    margin-top: 40px;
}
.footer-wrap {
    display: flex;
    align-items: center;
	justify-content: center; /* PC端整体居中 */
    gap: 80px; /* 增大PC端间距 */
    flex-wrap: wrap; /* 移动端自动换行 */
}
.footer-logo {
    flex-shrink: 0; /* 防止logo被压缩 */
		}
.footer-logo img {
    height: 60px;
    width: auto;
    display: block;
    object-fit: contain;
}
.footer-info {
    flex: 1; /* 占满剩余空间 */
    min-width: 280px; /* 移动端最小宽度 */
}
.footer-info p {
    font-size: 16px;
    color: #ccc;
    margin-bottom: 12px;
}
.copyright {
    text-align: center;
    padding-top: 30px;
    margin-top: 40px;
    border-top: 1px solid #333;
    font-size: 15px;
}