.container {
    width: 100%;
    padding-top: 74px;
    padding-left: 0 !important;
    padding-bottom: 22px;
}

.directory {
    max-width: 1200px;
    margin: 22px auto 0;
    padding-left: 20px;
    color: #555555;
    background-color: #fff;
    padding-top: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e8e8e8;
}

.directory a {
    text-decoration: none;
    color: #3366CC;
}

.api-portal-tab {
    display: flex;
    min-height: 700px;
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: hidden;
    padding: 0 20px 20px;
    background-color: #fff;
}

.tab-menu {
    width: 200px;
    padding: 10px 10px 10px 0;
}

.toggle-button {
    display: flex;
    justify-content: space-between;
    padding-left: 0;
    background-color: transparent;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
    font-size: 14px;
}

.toggle-button img {
    width: 16px;
}

.border-bottom {
    border-bottom: 1px solid #e8e8e8;
}

.tab-menu ul {
    list-style-type: none;
    padding: 0;
}

.tab-menu li {
    line-height: 45px;
}

.line-height-20 {
    line-height: 35px !important;
}

.expand-panel {
    /* 默认显示 */
    display: block;
    margin-left: 20px;

    overflow: hidden; /* 必须，否则 transition 无效 */
    /* 可选：为内部内容添加过渡 */
    transition: all 0.1s ease-out;
}

.expand-panel ul {
    margin: 0;
    padding: 0;
    list-style: none;
    /* 为子项添加一点过渡 */
    transition: opacity 0.2s ease;
}

.tab-menu a, .tab-menu button {
    color: #555555;
    cursor: pointer;
}

.tab-menu a:hover {
    outline: none;
    text-decoration: none;
}

.tab-menu a:visited {
    text-decoration: underline;
}

/* 添加选中样式 */
.tab-menu a.selected {
    color: #e73f3c;
}

.tab-content {
    margin: 0 30px;
    max-width: 870px;
    color: #555;
}

.content-container {
    display: none;
}

.content-container h1 {
    font-size: 34px;
    line-height: 40px;
    margin-bottom: 48px;
    font-weight: 300;
    color: var(--pl-text-color-secondary, #333);
}

.content-container h2 {
    font-size: 28px;
    line-height: 36px;
    margin-bottom: 32px;
    font-weight: 300;
    color: var(--pl-text-color-secondary, #333);
}

.content-container p {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 24px;
    font-weight: 400;
}

.content-container h4 {
    font-size: 20px;
    line-height: 28px;
    margin-bottom: 12px;
    font-weight: 300;
    color: var(--pl-text-color-secondary, #333);
}

.content-container ol {
    margin-left: 0 !important;
}

.content-container ol, .content-container ul {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 24px;
    margin-left: 1.25rem;
}

.content-container ul li::marker {
    content: "●";           /* 使用实心圆点 */
    color: #000;             /* 颜色 */
    font-size: 1.2em;        /* 大小（可调） */
}

.content-container ol > li, .content-container ul > li {
    margin-bottom: 8px;
}

.pl-10 {
    padding-left: 10px;
}

.mt-8 {
    margin-top: 8px;
    margin-bottom: 0;
}