/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}
/* 导航栏样式 */
nav {
    background: linear-gradient(135deg, #006600 0%, #11998e 100%);
    color: white;
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.8rem;
    font-weight: 700;
}
.nav-links {
    display: flex;
    list-style: none;
}
.nav-links li {
    margin-left: 2rem;
    position: relative;
}
.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
    padding: 0.5rem 0;
    display: block;
}
.nav-links a:hover {
    opacity: 0.8;
}
/* 下拉菜单样式 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 180px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    list-style: none;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu li {
    margin: 0;
}
.dropdown-menu a {
    color: #333;
    padding: 0.75rem 1.5rem;
    display: block;
    transition: background-color 0.2s;
}
.dropdown-menu a:hover {
    background-color: #f5f5f5;
    opacity: 1;
}
/* 添加平滑滚动 */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}
/* 加载和错误状态样式 */
.loading, .error {
    text-align: center;
    padding: 2rem;
    font-size: 1.1rem;
    color: #7f8c8d;
}
.error {
    color: #e74c3c;
}
/* 主内容区域 */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}
/* 作品展示区域 */
.works {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
.category {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
.category h2 {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #f0f0f0;
    color: #2c3e50;
}
.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}
.work-item {
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    background: #f8f9fa;
    display: flex;
    flex-direction: column;
}
.work-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}
.work-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}
.work-img-h {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}
.work-content {
    padding: 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.work-content h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}
.work-content p {
    color: #7f8c8d;
    font-size: 0.9rem;
    flex-grow: 1;
    margin-bottom: 1rem;
}
.work-link {
    display: inline-block;
    background: #006600;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.3s;
    align-self: flex-start;
}
.work-link:hover {
    background: #11998e;
}
/* 响应式设计 */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }
    .mobile-menu {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}
@media (max-width: 600px) {
    .work-grid {
        grid-template-columns: 1fr;
    }
}