/* General Body Styles */
body {
    font-family: 'Arial', sans-serif; 
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: #333;
    line-height: 1.6;
    background: url('images/backgroud.jpg') center center / cover no-repeat fixed;
    background-color: #f0f0f0; /* 背景图未加载时的兜底色 */
}

/* Header Styles */
header {
    background-color: #333;
    padding: 8px 24px;
    border-bottom: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: none;
}

/* Navigation Bar Styles */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo img {
    height: 32px;
    filter: none;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.nav-links li {
    margin-left: 28px;
}

.nav-links a {
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.2px;
    transition: opacity 0.2s ease;
    opacity: 0.85;
}

.nav-links a:hover {
    color: #fff;
    opacity: 1;
}

/* Language Switcher Button */
.language-switcher {
    width: 36px;
    height: 36px;
    border: 2px solid rgba(255,255,255,0.85);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}
.language-switcher span {
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    line-height: 1;
}
.language-switcher:hover {
    background-color: rgba(255,255,255,0.08);
    border-color: #fff;
}

/* Main Content Styles */
main {
    padding: 20px;
    max-width: 1000px;
    margin: 72px auto 20px;
    background-color: rgba(255, 255, 255, 0.8);
    box-shadow: none;
    border-radius: 0;
}

main img {
    border-radius: 8px;
    margin-bottom: 20px;
}

main h2 {
    color: #007bff;
    margin-bottom: 20px;
    font-family: 'Georgia', serif; /* Changed font for headings */
}

main p {
    font-family: 'Verdana', sans-serif; /* Changed font for paragraph text */
    color: #555;
    font-size: 1.1em;
}

/* Footer Styles */
footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: #fff;
    margin-top: 40px;
}

/* 替换语言切换器为右侧加号图标按钮 */
.menu-toggle {
    width: 36px;
    height: 36px;
    border: 2px solid rgba(255,255,255,0.85);
    border-radius: 8px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.menu-toggle:hover {
    background-color: rgba(255,255,255,0.08);
    border-color: #fff;
}

.dropdown .dropdown-arrow {
    margin-left: 6px;
    font-size: 0.7em;
    opacity: 0.9;
}

/* Services Section Styles */
.services-section {
    padding: 0 20px 20px;
}

.services-list {
    list-style: none;
    margin: 16px auto 0;
    padding: 0;
    max-width: 800px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.services-list li {
    background-color: #f7f7f7;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    font-weight: 600;
}

/* Careers Section Styles */
.careers-section {
    padding: 0 20px 20px;
}

.careers-section p {
    max-width: 1000px;
    margin: 0 auto 16px;
    color: #555;
}

.careers-list {
    list-style: none;
    margin: 16px auto 0;
    padding: 0;
    max-width: 1000px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.careers-list li {
    background-color: #f7f7f7;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    font-weight: 600;
}

/* About Section Layout */
.about-section {
    padding: 0 20px 20px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 24px;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.about-text h2 {
    text-align: left;
    margin: 0 0 8px;
    font-size: 2em;
    color: #333;
}

.about-accent {
    width: 80px;
    height: 2px;
    background: #cdbb8f;
    margin: 12px 0 16px;
    opacity: 0.8;
}

.about-text p {
    text-align: justify;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    display: block;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}