* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#top1_header_title {
    font-size: 1.2rem;
}

#top1_header_content {
    padding-top: 0;
    padding-bottom: 0;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.header {
    background-color: #333;
    color: white;
    padding: 8px 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    flex-shrink: 0;
}

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

.header-content h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    white-space: nowrap;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.nav-header-btn {
    font-size: 12px;
    padding: 4px 10px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    color: #666;
    background: #f5f5f5;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-header-btn:hover {
    background: #FF5722;
    color: white;
    border-color: #FF5722;
}

.nav-header-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    text-decoration: none;
    line-height: 1;
}
.nav-header-icon-btn:hover {
    background: #FF5722;
    border-color: #FF5722;
}

.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: calc(100vh - 70px);
}

.content-wrapper {
    display: flex;
    flex: 1;
    height: 100%;
    gap: 8px;
    padding: 8px;
    overflow: hidden;
    position: relative;
}

.column {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: hidden;
}
