/* PC nav - 标题 + 分段控件，对齐 ai-new.css 青绿主题 */
.navBox {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 20px;
    margin-bottom: 20px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid rgba(var(--color-primary-rgb), 0.1);
    box-shadow: 0 2px 10px rgba(var(--color-primary-rgb), 0.06);
    box-sizing: border-box;
    position: relative;
}

/* T-C 风格：底部渐变线 */
.navBox::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    border-radius: 0 0 12px 12px;
    background: linear-gradient(to right, var(--color-primary) 0%, transparent 60%);
}

/* 左侧页面标题 */
.navBox h1 {
    font-size: 22px;
    font-weight: 900;
    margin: 0;
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

/* 右侧分段控件容器 */
.list {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    background: var(--color-bg-light);
    border-radius: 10px;
    flex-shrink: 0;
}

.list p {
    margin: 0;
    padding: 0;
}

.list a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    padding: 0 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-light);
    border-radius: 7px;
    background: transparent;
    border: none;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.list a:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
    transform: none;
}

/* 激活项：白底浮起，主色文字 */
.color_yellow a {
    background: #fff;
    color: var(--color-primary-dark);
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.14);
}

.color_yellow a:hover {
    background: #fff;
    color: var(--color-primary);
    box-shadow: 0 3px 10px rgba(var(--color-primary-rgb), 0.2);
}