/* 通用样式 - 深绿色主题风格 */
:root{--bg:#f5f5f5;--card:#ffffff;--border:#e0e0e0;--text:#333333;--text-2:#666666;--primary:#2E7D32;--primary-hover:#1B5E20;--accent:#388E3C;--muted:#f9f9f9;--shadow:0 2px 8px rgba(0,0,0,.1);--radius:4px;--green-bg:#2E7D32;--green-light:#E8F5E8;--green-dark:#1B5E20}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: '微软雅黑','Microsoft YaHei',Arial,sans-serif;
    background: var(--bg);
    min-height: 100vh;
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    width: 96%;
    margin: 0 auto;
    padding: 20px;
}

/* 顶部导航栏 */
.top-nav {
    background: var(--green-bg);
    color: white;
    padding: 0;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 50px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    line-height: 1.2;
}

.nav-logo img {
    height: 1.2em;
    margin-right: 8px;
    vertical-align: middle;
}

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

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    display: block;
    transition: background-color 0.3s;
    font-size: 0.9rem;
}

.nav-menu a:hover {
    background-color: var(--green-dark);
}

.nav-search {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-search input {
    background: var(--green-light);
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--text);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    width: 200px;
}

.nav-search input::placeholder {
    color: var(--text-2);
}

.nav-search button {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9rem;
}

.nav-search button:hover {
    background: rgba(255,255,255,0.3);
}

/* Header样式 */
.header {
    text-align: center;
    margin-bottom: 16px;
    color: var(--text);
    max-width: 1200px;
    width: 100%;
    margin: 0 auto 16px auto;
    padding: 8px 0 0 0;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0,0,0,.35), 0 0 18px rgba(0,229,255,.25);
    font-family: '微软雅黑','Microsoft YaHei',Arial,sans-serif;
}

.header p {font-size:1.1rem;opacity:.85;color:var(--text-2)}

/* 面包屑和搜索栏 */
.nav-breadcrumb {
    background: var(--green-light);
    border-radius: var(--radius);
    height: 40px;
    padding: 0 16px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--border);
    color: var(--green-dark);
    font-weight: 500;
}

.breadcrumb-search {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto 20px auto;
    padding: 0;
}

.nav-breadcrumb a {
    color: var(--green-dark);
    text-decoration: none;
    padding: 5px 10px;
    border-radius: var(--radius);
    transition: all 0.3s;
}

.nav-breadcrumb a:hover {
    background: rgba(76,175,80,0.1);
}

.breadcrumb-separator {color: var(--green-dark);opacity:.7}

.breadcrumb-current {color: var(--green-dark);opacity:.9}

.search-bar { 
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    height: 40px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 400px;
    width: 100%;
    margin: 0;
    box-shadow: var(--shadow);
}

.search-bar input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 0.9rem;
    outline: none;
}

.search-bar input::placeholder {
    color: var(--text-2);
}

.search-bar button {
    background: var(--primary);
    border: none;
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all .25s;
    font-size: 0.9rem;
}

.search-bar button:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.back-to-main-inline {
    background: var(--green-light);
    border: 1px solid var(--primary);
    color: var(--green-dark);
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all .25s;
    font-size: 0.9rem;
}

.back-to-main-inline:hover {
    background: var(--primary);
    color: white;
}


/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 10px 20px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        margin: 10px 0;
    }
    
    .nav-search {
        width: 100%;
        justify-content: center;
    }
    
    .nav-search input {
        width: 200px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .breadcrumb-search {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .search-bar {
        max-width: 100%;
    }
    
    .container {
        padding: 15px;
    }
}