/* 头部导航组件样式 - 样式隔离 */
.dji-header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.dji-header .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* Logo样式 */
.dji-header .logo a {
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: color var(--transition-speed) ease;
}

.dji-header .logo a:hover {
    color: var(--primary-hover);
}

.dji-header .logo a span {
    font-weight: 600;
}

/* 主导航样式 */
.dji-header .main-nav {
    flex: 1;
    margin: 0 10px;
    display: flex;
    align-items: center;
}

.dji-header .nav-list {
    display: flex;
    list-style: none;
    gap: 15px;
    justify-content: center;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.dji-header .nav-item {
    position: relative;
}

.dji-header .nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    padding: 8px 0;
    display: inline-block;
    position: relative;
    transition: color var(--transition-speed) ease;
}

.dji-header .nav-link:hover {
    color: var(--primary-color);
}

.dji-header .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: all var(--transition-speed) ease;
    transform: translateX(-50%);
}

.dji-header .nav-link:hover::after {
    width: 100%;
}

/* 搜索框样式 */
.dji-header .header-search {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.dji-header .search-form {
    margin: 0;
    display: flex;
    width: 130px;
    align-items: center;
    background: var(--background-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.dji-header .search-form:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

.dji-header .search-input {
    flex: 1;
    padding: 4px 6px;
    font-size: 11px;
    background: transparent;
    color: var(--text-primary);
    border: none;
    outline: none;
    transition: all var(--transition-speed) ease;
}

.dji-header .search-btn {
    padding: 4px 6px;
    font-size: 10px;
    border: none;
    background: var(--primary-color);
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    white-space: nowrap;
}

.dji-header .search-btn:hover {
    background: var(--primary-hover);
}

/* 头部操作区域样式 */
.dji-header .header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    margin-left: auto;
}

/* 语言切换器样式 */
.dji-header .language-switcher {
    background: var(--background-light);
    border-radius: var(--border-radius);
    padding: 4px;
    border: 1px solid var(--border-color);
    display: flex;
    gap: 4px;
}

.dji-header .language-switcher a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 3px 8px;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    font-size: 12px;
    font-weight: 500;
}

.dji-header .language-switcher a.current-language {
    background: var(--primary-color);
    color: var(--text-light);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .dji-header {
        padding: 12px 0;
    }
    
    .dji-header .main-nav {
        display: none;
    }
    
    .dji-header .search-form {
        width: 110px;
    }
}