/* 基础变量定义 */
:root {
    /* 颜色变量 */
    --color-primary: #000000;
    --color-secondary: rgba(0, 0, 0, 0.5);
    --color-background: #ffffff;
    --color-accent: #007AFF;
    --color-accent-transparent: rgba(0, 122, 255, 0.5);
    --color-border: rgba(0, 0, 0, 0.1);
    --color-divider: rgba(198, 198, 198, 0.3);
    --color-white: #ffffff;
    --color-white-transparent: rgba(255, 255, 255, 0.72);
    --color-white-semi: rgba(255, 255, 255, 0.9);
    --color-white-light: rgba(255, 255, 255, 0.6);
    --color-white-lighter: rgba(255, 255, 255, 0.3);
    --color-white-overlay: rgba(255, 255, 255, 0.1);
    --color-black-overlay: rgba(0, 0, 0, 0.8);
    
    /* 字体变量 */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-small: 12px;
    --font-size-base: 14px;
    --font-size-medium: 16px;
    --font-size-slarge: 20px;
    --font-size-large: 24px;
    --font-size-xlarge: 36px;
    --font-size-xxlarge: 48px;
    --font-size-xxxlarge: 60px;
    
    /* 字重变量 */
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* 间距变量 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 60px;
    --spacing-xxxl: 100px;
    
    /* 布局变量 */
    --container-width: 1200px;
    --header-height: 80px;
    --footer-height: 30px;
    --border-radius: 30px;
    --border-radius-sm: 12px;
    --border-radius-md: 16px;
    --border-radius-lg: 20px;
    --border-radius-xl: 24px;
    --border-radius-xxl: 40px;
    
    /* 过渡动画变量 */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.4s;
    --transition-slower: 0.6s;
    --easing-standard: cubic-bezier(0.4, 0, 0.2, 1);
    --easing-ease-out: ease-out;
    --easing-ease: ease;
    
    /* 阴影变量 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Z-index 层级 */
    --z-dropdown: 10;
    --z-sticky: 20;
    --z-fixed: 30;
    --z-modal-backdrop: 40;
    --z-modal: 50;
    --z-popover: 60;
    --z-tooltip: 70;
    --z-toast: 80;
    --z-header: 100;
}

/* 全局滚动条设置 - 统一所有页面的滚动条行为 */
html {
    overflow-y: auto; /* 允许浏览器自动管理垂直滚动条 */
    overflow-x: hidden; /* 防止水平滚动条 */
    scrollbar-gutter: stable; /* 为滚动条预留空间，防止页面晃动 */
}

/* 确保body不会产生额外的滚动条 */
body {
    overflow-x: hidden; /* 防止水平滚动条 */
    overflow-y: hidden; /* 防止body产生额外的垂直滚动条 */
    /* 移除可能导致双滚动条的设置 */
}

/* 确保所有页面容器都使用相同的滚动条设置 */
.page,
.api-page {
    scrollbar-gutter: stable; /* 为滚动条预留空间，防止页面晃动 */
    overflow-y: hidden; /* 防止页面容器产生额外的滚动条 */
}

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-primary);
    background-color: var(--color-background);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* 确保body不会产生额外的滚动条 */
    margin: 0;
    padding: 0;
}

/* 页面容器 */
.page {
    width: 100%;
    min-height: 100vh;
    background: var(--color-background);
    position: relative;
    overflow-x: hidden;
    overflow-y: hidden; /* 防止页面容器产生额外的滚动条 */
    display: flex;
    flex-direction: column;
    /* 确保页面容器不会产生额外的滚动条 */
    margin: 0;
    padding: 0;
}

/* 背景层 */
.page__bg-overlay {
    width: 100%;
    height: 100%;
    background: var(--color-background);
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
}

.page__bg-image {
    width: 100%;
    aspect-ratio: 16 / 9; /* 高度随宽度自适应 */
    background: url("../images/bg_top.jpg");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
}


/* 导航栏 */
.header {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    height: var(--header-height);
    z-index: var(--z-header);
    background-color: transparent;
    transition: backdrop-filter 0.3s ease, background-color 0.3s ease;
}

.header__container {
    width: calc(100% - 80px);
    max-width: var(--container-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    border-radius: 24px;
    gap: 20px;
}

.header.header--blur {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background-color: rgba(255, 255, 255, 0.72);
}


.header__logo {
    width: 100px;
    height: 30px;
    background: url("../images/yslogo.png");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
    overflow: hidden;
    flex-shrink: 0;
}

.header__nav {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    margin-left: 30px;
    flex: 1;
}

.header__nav-item {
    color: var(--color-secondary);
    font-size: var(--font-size-medium);
    font-weight: var(--font-weight-regular);
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--transition-normal) var(--easing-ease);
}

.header__nav-item:hover {
    color: var(--color-primary);
}

.header__nav-item--active {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.header__cta {
    width: 72px;
    height: 32px;
    position: relative;
    margin-left: auto;
    cursor: pointer;
    transition: transform var(--transition-fast) var(--easing-standard);
}

.header__cta:active {
    transform: scale(0.95);
}

.header__cta:hover .header__cta-bg {
    background: var(--color-accent);
}

.header__cta-bg {
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--border-radius);
    position: absolute;
    top: 0;
    left: 0;
    transition: background var(--transition-normal) var(--easing-ease);
}

.header__cta-text {
    width: 52px;
    color:var(--color-white);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-small);
    text-align: center;
}

/* 主要内容区 */
.content {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 60px var(--spacing-lg) var(--spacing-xl);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.content__container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.content__cta {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-top: var(--spacing-md);
}
.content__cta .header__cta {
    position: relative;
    top: auto;
    right: auto;
    margin-left: 0;
    width: 90px;
    height: 40px;
}

.content__cta .header__cta-text {
    width: 62px; 
}

.content__download-cta {
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 20px 0;
}

.content__download-cta .header__cta {
    position: relative;
    top: auto;
    right: auto;
    margin-left: 0;
    width: 90px;
    height: 40px;
}

.content__download-cta .header__cta-text {
    width: 62px; 
}

/* 下载按钮保持原来的黑色背景 */
.content__download-cta .header__cta-bg {
    background: var(--color-primary);
}

.content__download-cta .header__cta:hover .header__cta-bg {
    background: var(--color-primary);
}

.content__title {
    color: var(--color-primary);
    font-weight: var(--font-weight-black);
    font-size: var(--font-size-xxxlarge);
    text-align: center;
    max-width: 800px;
    animation-delay: 0.2s;
    margin-top: 100px;
}

.content__subtitle {
    color: var(--color-secondary);
    font-weight: var(--font-weight-light);
    font-size: var(--font-size-large);
    text-align: center;
    max-width: 840px;
    animation-delay: 0.3s;
}

.content__email {
    color: var(--color-primary);
    font-weight: var(--font-weight-regular);
    font-size: var(--font-size-large);
    text-align: center;
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    animation-delay: 0.7s;
}

.content__email-label {
    font-size: var(--font-size-medium);
    color: var(--color-secondary);
}

.content__email-address {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-large);
    cursor: pointer;
    transition: color var(--transition-normal) var(--easing-ease);
}

.content__email-address:hover {
    color: var(--color-accent);
}

/* 卡片样式 */
.cards {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xxxl) 0;
    animation-delay: 0.4s;
}

.card {
    width: 100%;
    height: 270px;
    position: relative;
    transition: transform var(--transition-normal) var(--easing-ease);
    opacity: 0;
    animation: fadeInUp var(--transition-slow) var(--easing-ease) forwards;
}

.card:hover {
    transform: translateY(-5px);
}

.card__inner {
    width: 100%;
    height: 100%;
    transition: transform var(--transition-normal) var(--easing-standard);
}

.card:hover .card__inner {
    transform: translateY(-8px);
}

.card__bg {
    width: 100%;
    height: 100%;
    background: var(--color-white-light);
    border: 0.5px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    position: absolute;
    top: 0;
    left: 0;
    transition: background var(--transition-fast) var(--easing-ease);
    pointer-events: none;
}

.card:hover .card__bg {
    background: var(--color-white-lighter);
}

.card__icon {
    width: 25px;
    height: 25px;
    position: absolute;
    top: 26px;
    left: 26px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.card__icon--promotion {
    background-image: url("../images/v43_144.png");
}

.card__icon--channel {
    background-image: url("../images/v43_142.png");
}

.card__icon--business {
    background-image: url("../images/v43_143.png");
}

.card__title {
    position: absolute;
    top: 70px;
    left: 26px;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-large);
    color: var(--color-primary);
}

.card__desc {
    position: absolute;
    top: 116px;
    left: 26px;
    right: 26px;
    font-weight: var(--font-weight-light);
    font-size: var(--font-size-medium);
    color: var(--color-secondary);
    line-height: 1.6;
}

.card:nth-child(1) {
    animation-delay: 0.4s;
}

.card:nth-child(2) {
    animation-delay: 0.5s;
}

.card:nth-child(3) {
    animation-delay: 0.6s;
}

/* 响应式布局 */
@media screen and (max-width: 1200px) {
    .content {
        padding: 60px var(--spacing-lg) var(--spacing-xl);
    }
    
    .content__title {
        font-size: var(--font-size-xxlarge);
    }
    
    .content__subtitle {
        font-size: var(--font-size-large);
    }
}

@media screen and (max-width: 1150px) {
    .header__container {
        width: 100%;
        padding: 0 var(--spacing-lg);
    }
    
    .content {
        padding: 60px var(--spacing-lg) var(--spacing-xl);
    }
}

@media screen and (max-width: 1024px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .header__nav {
        gap: var(--spacing-lg);
        margin-left: 20px;
    }
}


@media screen and (max-width: 767px) {
    .header {
        height: auto;
        min-height: var(--header-height);
    }
    
    .header__container {
        width: 100%;
        padding: 0 var(--spacing-lg);
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding-top: 12px;
        padding-bottom: 12px;
    }
    
    .header__nav {
        display: flex;
        margin-left: 0;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        width: 100%;
    }
    
    .header__nav-item {
        font-size: var(--font-size-small);
    }
    
    /* 确保内容区域的按钮保持居中，不受导航栏按钮样式影响 */
    .header__cta {
        position: absolute;
        top: 10px;
        right: 20px;
        margin-left: 0;
    }
    
    .content__cta .header__cta {
        position: relative;
        top: auto;
        right: auto;
        margin-left: 0;
        width: 90px;
        height: 40px;
    }
    
    .content__download-cta .header__cta {
        position: relative;
        top: auto;
        right: auto;
        margin-left: 0;
        width: 90px;
        height: 40px;
    }
    
    .content {
        padding: 40px var(--spacing-lg) var(--spacing-lg);
        margin-top: 20px;
    }
    
    .content__title {
        font-size: var(--font-size-xlarge);
    }
    
    .content__subtitle {
        font-size: var(--font-size-medium);
    }
    
    .cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .card {
        height: 240px;
    }
    
    .content__email {
        font-size: var(--font-size-medium);
    }
    
    .content__email-label {
        font-size: var(--font-size-base);
    }
}

@media screen and (max-width: 480px) {
    .header__container {
        width: 100%;
        padding: 0 20px;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        height: auto;
        min-height: var(--header-height);
        padding-top: 10px;
        padding-bottom: 10px;
    }
    
    .header__nav {
        gap: var(--spacing-sm);
    }
    
    .header__nav-item {
        font-size: var(--font-size-small);
    }
    
    /* 确保内容区域的按钮保持居中，不受导航栏按钮样式影响 */
    .content__cta .header__cta {
        position: relative;
        top: auto;
        right: auto;
        margin-left: 0;
        width: 90px;
        height: 40px;
    }
    
    .content__download-cta .header__cta {
        position: relative;
        top: auto;
        right: auto;
        margin-left: 0;
        width: 90px;
        height: 40px;
    }
    
    .content {
        padding: 40px 20px var(--spacing-lg);
        margin-top: 20px;
    }
    
    .content__title {
        font-size: var(--font-size-large);
    }
    
    .content__subtitle {
        font-size: var(--font-size-base);
    }
    
    .card__title {
        font-size: var(--font-size-medium);
    }
    
    .card__desc {
        font-size: var(--font-size-base);
    }
    
    .content__email {
        font-size: var(--font-size-base);
    }
    
    .content__email-label {
        font-size: var(--font-size-small);
    }
}

/* 针对390px屏幕的特殊适配 */
@media screen and (max-width: 390px) {
    .footer {
        padding: 30px var(--spacing-sm) 10px;
    }
    
    .footer__links {
        width: 100%;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
        margin: 40px auto 0;
    }
    
    .footer__column {
        width: 100%;
        max-width: 280px;
        align-items: center;
        text-align: center;
        gap: var(--spacing-xs);
    }
    
    .footer__title {
        font-size: var(--font-size-base);
        font-weight: var(--font-weight-semibold);
        margin-bottom: var(--spacing-xs);
    }
    
    .footer__link {
        font-size: var(--font-size-small);
        padding: 2px 0;
        line-height: 1.4;
    }
    
    .footer__bottom {
        padding: 0 var(--spacing-sm);
    }
    
    .footer__bottom-content {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
    }
    
    .footer__copyright,
    .footer__icp {
        font-size: 10px;
        line-height: 1.3;
    }
    
    .footer__social {
        margin: 24px auto 0;
        margin-bottom: 25px;
        padding: 0 var(--spacing-sm);
    }
    
    .footer__social-container {
        gap: 16px;
        justify-content: center;
    }
}

/* 页脚样式 */
.footer {
    width: 100%;
    position: relative;
    margin-top: auto;
    padding: 60px var(--spacing-lg) 20px;
    animation-delay: 0.8s;
}

.footer__container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 200px;
}

.footer__divider {
    width: 100%;
    max-width: calc(var(--container-width) * 0.92);
    height: 1px;
    background: var(--color-divider);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    padding: 0 var(--spacing-lg);
    box-sizing: content-box;
}

.footer__logo {
    width: 128px;
    height: 30px;
    position: absolute;
    top: 50px;
    left: 24px;
    overflow: hidden;
}

.footer__logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.footer__links {
    position: absolute;
    top: 50px;
    right: 0;
    display: flex;
    gap: 80px;
}

.footer__column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-width: 80px;
}

.footer__title {
    color: var(--color-primary);
    font-weight: 500;
    font-size: var(--font-size-medium);
    display: block;
}

.footer__link {
    color: var(--color-secondary);
    font-weight: 400;
    font-size: var(--font-size-small);
    display: block;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer__link:hover {
    color: var(--color-primary);
}

.footer__bottom {
    width: 100%;
    max-width: var(--container-width);
    margin: 16px auto 0;
    padding: 0 var(--spacing-lg);
}

.footer__bottom-content {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
}

.footer__copyright,
.footer__icp {
    color: var(--color-secondary);
    font-weight: 400;
    font-size: var(--font-size-small);
    white-space: nowrap;
}

.footer__icp {
    text-decoration: none;
}

.footer__icp:hover {
    text-decoration: underline;
}

/* 页脚社交账号样式 */
.footer__social {
    width: 100%;
    max-width: var(--container-width);
    margin: 100px auto 0;
    padding: 0 var(--spacing-lg);
}

.footer__social-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
}

.footer__social-link {
    display: block;
    width: 40px;
    height: 40px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.footer__social-link:hover {
    transform: translateY(-4px);
    opacity: 0.8;
}

.footer__social-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 通用社交链接样式 */
.social-link {
    display: inline-block;
    text-decoration: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    position: relative;
}

.social-link:hover {
    transform: translateY(-4px);
    opacity: 0.8;
}

/* 社交图标样式 */
.social-icon {
    width: 24px;
    height: 24px;
    display: block;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border-radius: 50%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s ease;
}

.social-icon:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.social-icon--bilibili {
    background-image: url("../images/social-bilibili.png");
}

.social-icon--weibo {
    background-image: url("../images/social-weibo.png");
}

.social-icon--kuaishou {
    background-image: url("../images/social-kuaishou.png");
}

.social-icon--douyin {
    background-image: url("../images/social-douyin.png");
}

.social-icon--xiaohongshu {
    background-image: url("../images/social-xiaohongshu.png");
}

/* 社交图标提示条样式 */
.social-link::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background:var(--color-primary);
    color: var(--color-white);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 400;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 10;
    margin-bottom: 8px;
}

.social-link::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid #000000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 10;
    margin-bottom: 4px;
}

.social-link:hover::after,
.social-link:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

@media screen and (max-width: 1200px) {
    .footer__logo {
        left: 0;
    }
    .footer__links {
        right: 0;
        gap: 60px;
    }
}

@media screen and (max-width: 1024px) {
    .footer__logo {
        left: 0;
    }
    .footer__links {
        right: 0;
        gap: 40px;
    }
}

@media screen and (max-width: 900px) {
    .footer {
        padding: 80px var(--spacing-lg) 40px;
        min-height: auto;
    }
    .footer__container {
        min-height: auto;
    }
    .footer__logo {
        position: relative;
        top: auto;
        left: auto;
        margin: 50px auto 0;
    }
    .footer__links {
        position: relative;
        top: auto;
        right: auto;
        width: 100%;
        margin: 50px auto 0;
        justify-content: center;
        gap: 40px;
    }
}

@media screen and (max-width: 767px) {
    .footer {
        padding: 60px var(--spacing-md) 20px;
    }
    .footer__bottom {
        padding: 0 var(--spacing-md);
    }
    .footer__social {
        margin: 40px auto 0;
        padding: 0 var(--spacing-md);
    }
    .footer__social-container {
        gap: 24px;
    }
}

@media screen and (max-width: 480px) {
    .footer {
        padding: 40px var(--spacing-md) 10px;
    }
    .footer__links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }
    .footer__column {
        align-items: center;
    }
    .footer__bottom-content {
        gap: var(--spacing-xs);
    }
    .footer__copyright,
    .footer__icp {
        font-size: 11px;
    }
    .footer__social {
        margin: 30px auto 0;
        margin-bottom: 30px;
    }
    .footer__social-container {
        gap: 20px;
    }
    
    /* 移动端tooltip调整 */
    .social-link::after {
        font-size: 10px;
        padding: 4px 8px;
        margin-bottom: 6px;
    }
    
    .social-link::before {
        border-left-width: 3px;
        border-right-width: 3px;
        border-top-width: 3px;
        margin-bottom: 3px;
    }
}

/* 社群页面样式 */
.social-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 60px;
}

.social-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--color-white-overlay);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-md);
    transition: transform var(--transition-normal) var(--easing-ease);
}

.social-card:hover {
    transform: translateY(-4px);
}

.social-card__icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-card__icon-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.social-card__content {
    flex: 1;
}

.social-card__title {
    font-size: var(--font-size-large);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.social-card__description {
    font-size: var(--font-size-medium);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Toast 样式 */
.toast {
    position: fixed;
    top: calc(50% + 10px);
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: var(--color-black-overlay);
    color: var(--color-white);
    padding: 12px 24px;
    border-radius: var(--border-radius-xl);
    font-size: var(--font-size-base);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal) var(--easing-standard);
    z-index: var(--z-toast);
}

.toast--show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

/* 入场动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes inputFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 动画工具类 */
.animate-fade-in {
    opacity: 0;
    animation: fadeInUp var(--transition-slow) var(--easing-ease) forwards;
}

.animate-fade-in-slow {
    opacity: 0;
    animation: fadeInUp var(--transition-slower) var(--easing-ease) forwards;
}

/* 过渡工具类 */
.transition-all {
    transition: all var(--transition-normal) var(--easing-ease);
}

.transition-transform {
    transition: transform var(--transition-normal) var(--easing-standard);
}

.transition-colors {
    transition: color var(--transition-normal) var(--easing-ease), 
                background-color var(--transition-normal) var(--easing-ease);
}

/* 为不同模块设置不同的动画延迟 */
.header {
    animation-delay: 0.1s;
}

.content__title {
    animation-delay: 0.2s;
}

.content__subtitle {
    animation-delay: 0.3s;
}

.cards {
    animation-delay: 0.4s;
}

.card {
    opacity: 0;
    animation: fadeInUp 0.4s ease forwards;
}

.card:nth-child(1) {
    animation-delay: 0.4s;
}

.card:nth-child(2) {
    animation-delay: 0.5s;
}

.card:nth-child(3) {
    animation-delay: 0.6s;
}

.content__email {
    animation-delay: 0.7s;
}

.footer {
    animation-delay: 0.8s;
}
  
/* Container styles */
.container {
    position: relative;
    width: 942px;
    height: 377px;
    margin: 100px auto 0;
    animation-delay: 0.3s;
}

.QR-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("../images/group_qr.png") no-repeat center center;
    background-size: contain;
    z-index: 1;
}

.IP-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("../images/home-xiaobai-ip.png") no-repeat center center;
    background-size: contain;
    z-index: 1;
}

/* Feature card styles */
.feature-card {
    position: absolute;
    width: 312px;
    height: 48px;
    z-index: 2;
    display: flex;
    align-items: center;
}

.card-bg {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    border-radius: 37px;
    backdrop-filter: blur(5px);
    position: absolute;
    top: 0;
    left: 0;
}

.card-text {
    position: relative;
    width: 252px;
    font-size: 18px;
    font-weight: 400;
    text-align: left;
    color: var(--color-primary);
    margin-left: 30px;
    z-index: 1;
}

/* Individual card positioning */
.feature-1 {
    top: 101px;
    left: 560px;
}

.feature-2 {
    top: -20px;
    left: 60px;
}

.feature-3 {
    top: 175px;
    left: 0;
}

.feature-4 {
    top: 250px;
    left: 642px;
    width: 300px;
}

.feature-4 .card-text {
    width: 234px;
    margin-left: 24px;
}

/* 响应式调整 */
@media screen and (max-width: 1024px) {
    .container {
        width: 100%;
        max-width: 942px;
        height: auto;
        min-height: 377px;
    }
    
    .QR-image {
        position: relative;
        width: 100%;
        padding-bottom: 100%;
    }
    
    .feature-card {
        position: relative;
        margin: 10px auto;
        left: 0;
        right: 0;
    }
    
    .feature-1,
    .feature-2,
    .feature-3,
    .feature-4 {
        position: relative;
        top: auto;
        left: auto;
        margin: 10px auto;
    }
}

/* brand */
.section {
    margin-bottom: 60px;
}

.section-title {
    color: #000;
    font-weight: 700;
    font-size: 36px;
    margin-bottom: 12px;
}

.section-title.large {
    font-size: 36px;
}

.section-subtitle {
    color: #000;
    font-weight: 600;
    font-size: 26px;
    margin-bottom: 30px;
}

.section-content {
    margin-bottom: 30px;
    text-align: justify;
}

/* 图片轮播部分的说明文字样式 */
.intro-section .section-content {
    color: var(--color-secondary);
    text-align: center;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xs);
    line-height: 1.6;
}

/* 头部样式 */
.header {
    margin-bottom: 60px;
}

.intro-image {
    width: 100%;
    max-width: 1200px;
    aspect-ratio: 16 / 9;
    margin: 150px auto 80px;
    background: url("../images/xiaobai-ip.png") no-repeat center center;
    background-size: contain;
    border-radius: 5%;
    overflow: hidden;
    position: relative;
}

.intro-test-image {
    width: 100%;
    max-width: 1200px;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    margin: 30px auto 80px;
    background: url("../images/test_show.jpg") no-repeat center center;
    background-size: cover;
    background-attachment: scroll;
    border-radius: clamp(16px, 3vw, 48px); /* 响应式圆角，最小16px，最大48px */
    overflow: hidden;
    position: relative;
}


.intro-generation-image {
    width: 100%; 
    max-width: 1200px;
    aspect-ratio: 16 / 9;
    min-height: clamp(60px, 50vw, 600px);
    margin: 150px auto 20px;
    background: url("../images/generate-1.jpg") no-repeat center center;
    background-size: cover;
    border-radius: clamp(12px, 4vw, 40px);
    overflow: hidden;
    position: relative;
    /* Safari兼容性改进 */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

/* 注意事项部分保留原有样式 */
@media screen and (max-width: 1024px) {
    .intro-image {
        max-width: 90%;
        border-radius: 3%;
    }
    
    /* 注意事项部分 */
    .precaution-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .precaution-image-1,
    .precaution-image-2,
    .precaution-image-3,
    .precaution-image-4,
    .precaution-image-5,
    .precaution-image-6 {
        width: 100%;
        aspect-ratio: 3 / 2;
    }
}

@media screen and (max-width: 767px) {
    .intro-image {
        max-width: 95%;
        border-radius: 2%;
    }
    
    .intro-generation-image {
        margin: 60px auto 40px;
    }
}

@media screen and (max-width: 480px) {
    .intro-generation-image {
        margin: 40px auto 30px;
    }
}

/* 标志部分样式 */
.logo-section {
    position: relative;
}

.logo-example {
    width: 100%;
    max-width: 470px;
    aspect-ratio: 470 / 230;
    margin: 30px auto;
    background: url("../images/v63_271.png") no-repeat center center;
    background-size: contain;
    border-radius: 12px;
}

.update-date {
    color: rgba(0, 0, 0, 0.3);
    font-size: 10px;
}

/* 使用规范部分样式 */
.usage-examples {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.example-1 {
    width: 390px;
    height: 180px;
    background: url("../images/v63_268.png") no-repeat center center;
    background-size: contain;
}

.example-2 {
    width: 391px;
    height: 181px;
    background: url("../images/v63_269.png") no-repeat center center;
    background-size: contain;
}

/* 注意事项部分样式 */
.precaution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.precaution-item {
    text-align: center;
}

.precaution-item p {
    margin-top: 16px;
    color: rgba(0, 0, 0, 0.5);
    text-align: center;
}

.precaution-image-1 {
    width: 100%;
    aspect-ratio: 289 / 191;
    margin: 0 auto;
    background: url("../images/v63_252.png") no-repeat center center;
    background-size: contain;
}

.precaution-image-2 {
    width: 100%;
    aspect-ratio: 288 / 191;
    margin: 0 auto;
    background: url("../images/v63_260.png") no-repeat center center;
    background-size: contain;
}

.precaution-image-3 {
    width: 100%;
    aspect-ratio: 288 / 191;
    margin: 0 auto;
    background: url("../images/v63_261.png") no-repeat center center;
    background-size: contain;
}

.precaution-image-4 {
    width: 100%;
    aspect-ratio: 288 / 191;
    margin: 0 auto;
    background: url("../images/v63_259.png") no-repeat center center;
    background-size: contain;
}

.precaution-image-5 {
    width: 100%;
    aspect-ratio: 288 / 191;
    margin: 0 auto;
    background: url("../images/v63_258.png") no-repeat center center;
    background-size: contain;
}

.precaution-image-6 {
    width: 100%;
    aspect-ratio: 288 / 191;
    margin: 0 auto;
    background: url("../images/v63_262.png") no-repeat center center;
    background-size: contain;
}

/* 品牌合作部分样式 */
.collaboration-example {
    width: 100%;
    aspect-ratio: 380 / 120;
    margin-top: 10px;
    background: url("../images/v63_248.png") no-repeat center center;
    background-size: contain;
    border-radius: 16px;
}

.perspective-container {
    position: relative;
    width: 100%;
    perspective: 1000px;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
    cursor: pointer;
    border-radius: 3vw; /* 响应式圆角 */
    overflow: hidden;
}

.perspective-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.perspective-container:hover::before {
    opacity: 0.8;
}

.intro-section.animate-fade-in {
    animation-delay: 0.4s;
}

.logo-section.animate-fade-in {
    animation-delay: 0.6s;
}

.usage-section.animate-fade-in {
    animation-delay: 0.8s;
}

.precautions-section.animate-fade-in {
    animation-delay: 1.0s;
}

.collaboration-section.animate-fade-in {
    animation-delay: 1.2s;
}

/* 下载按钮动画延迟 */
.content__container > div.animate-fade-in {
    animation-delay: 0.4s;
}

/* 响应式优化 - 品牌相关模块 */
@media screen and (max-width: 767px) {
    .section {
        padding: var(--spacing-lg) 0;
    }

    .section-title {
        font-size: var(--font-size-xlarge);
        margin-bottom: var(--spacing-md);
    }

    .section-subtitle {
        font-size: var(--font-size-slarge);
        margin-bottom: var(--spacing-md);
    }

    .section-content {
        font-size: var(--font-size-medium);
        line-height: 1.6;
    }

    /* 品牌标志部分 */
    .logo-example {
        max-width: 300px;
        aspect-ratio: 470 / 230;
        margin: var(--spacing-md) auto;
    }

    /* 使用规范部分 */
    .usage-examples {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .example-1,
    .example-2 {
        width: 100%;
        max-width: 400px;
        height: 200px;
        margin: 0 auto;
    }

    /* 注意事项部分 */
    .precaution-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .precaution-item {
        padding: 0;
        margin-bottom: var(--spacing-md);
    }

    .precaution-item p {
        font-size: var(--font-size-small);
        margin-top: var(--spacing-sm);
        line-height: 1.4;
    }

    .precaution-image-1,
    .precaution-image-2,
    .precaution-image-3,
    .precaution-image-4,
    .precaution-image-5,
    .precaution-image-6 {
        width: 100%;
        aspect-ratio: 3 / 2;
    }

    /* 品牌合作规范部分 */
    .collaboration-example {
        width: 100%;
        aspect-ratio: 391 / 181;
        margin: var(--spacing-md) auto;
    }
}

@media screen and (max-width: 480px) {
    .section {
        padding: var(--spacing-md) 0;
    }

    .section-title {
        font-size: var(--font-size-large);
    }

    .section-subtitle {
        font-size: var(--font-size-medium);
    }

    .section-content {
        font-size: var(--font-size-base);
    }

    /* 品牌标志部分 */
    .logo-example {
        max-width: 250px;
        aspect-ratio: 470 / 230;
    }

    /* 使用规范部分 */
    .example-1,
    .example-2 {
        height: 150px;
    }

    /* 注意事项部分 */
    .precaution-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .precaution-item {
        padding: 0;
        margin-bottom: var(--spacing-md);
    }

    .precaution-item p {
        font-size: var(--font-size-small);
        margin-top: var(--spacing-sm);
        line-height: 1.4;
        padding: 0 var(--spacing-sm);
    }

    .precaution-image-1,
    .precaution-image-2,
    .precaution-image-3,
    .precaution-image-4,
    .precaution-image-5,
    .precaution-image-6 {
        width: 100%;
        aspect-ratio: 3 / 2;
    }

    /* 品牌合作规范部分 */
    .collaboration-example {
        width: 100%;
        aspect-ratio: 391 / 181;
        margin: var(--spacing-md) auto;
    }
}



 /* 输入框相关 */
.input-container {
    width: 548px;
    height: 80px;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    animation: inputFadeIn 0.6s ease forwards;
    animation-delay: 0.6s;
}

@keyframes inputFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.input-box {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.04);
    border-radius: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px;
}

.input-placeholder {
    font-size: 24px;
    color: rgba(0, 0, 0, 0.5);
    padding-left: 20px;
}

.input-button {
    width: 120px;
    height: 64px;
    border-radius: 40px;
    background-color: #fff;
    font-size: 20px;
    font-weight: 500;
    font-family: 'PingFang SC', sans-serif;
    color: #000;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.input-button:hover {
    background-color: #000;
    color: #fff;
}

.input-button:active {
    transform: scale(0.95);
}

/* 响应式设计 */
@media screen and (max-width: 767px) {
    .input-container {
        width: 90%;
        max-width: 548px;
        height: 70px;
    }

    .input-box {
        padding: 0 8px;
    }

    .input-placeholder {
        font-size: 20px;
        padding-left: 16px;
    }

    .input-button {
        width: 100px;
        height: 56px;
        font-size: 18px;
    }
}

@media screen and (max-width: 480px) {
    .input-container {
        width: 95%;
        height: 60px;
    }

    .input-box {
        padding: 0 6px;
    }

    .input-placeholder {
        font-size: 16px;
        padding-left: 12px;
    }

    .input-button {
        width: 80px;
        height: 48px;
        font-size: 16px;
    }
}

/* 视频播放器 */
.video-container {
    width: 100%;
    max-width: 1024px;
    margin: 160px auto 200px;
    text-align: center;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.4s;
}

.video-container .section-title {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.5s;
}

.video-container .video-player {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.6s;
}

.video-player {
    width: 100%;
    border-radius: 24px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border: none;
    outline: none;
    /* Safari 兼容性修复 */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* Safari 特定修复 - 确保iframe内容可见 */
@media screen and (-webkit-min-device-pixel-ratio: 1) {
    .video-player {
        will-change: transform;
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
        isolation: isolate;
    }
}

/* Safari aspect-ratio fallback */
@supports not (aspect-ratio: 16 / 9) {
    .video-player {
        height: 0;
        padding-bottom: 56.25%; /* 16:9 aspect ratio */
        min-height: 300px;
    }
}

.video-source {
    display: block;
}

/* 响应式调整 */
@media screen and (max-width: 767px) {
    .video-container {
        margin: 80px auto 0;
        padding: 0 20px;
    }
}

@media screen and (max-width: 480px) {
    .video-container {
        margin: 60px auto 0;
        padding: 0 16px;
    }
}

/* 测试图片 */
.intro-section--home {
    width: 100%;
    max-width: 1024px;
    margin: 0 auto;
}

.intro-section--home .section-title,
.intro-section--home .section-content {
    max-width: 100%;
    text-align: center;
}

@media screen and (max-width: 767px) {
    .intro-section--home {
        max-width: 100%;
    }
}

/* 超大屏幕优化 */
@media screen and (min-width: 1400px) {
    .intro-test-image {
        border-radius: 48px;
        margin: 40px auto 100px;
    }
}

@media screen and (max-width: 1024px) {
    .intro-test-image {
        border-radius: clamp(14px, 2.5vw, 36px);
        margin: 20px auto 60px;
        max-width: 95%;
    }
    .perspective-container {
        border-radius: clamp(14px, 2.5vw, 36px);
    }
}

@media screen and (max-width: 767px) {
    .intro-test-image {
        border-radius: clamp(12px, 4vw, 28px);
        margin: 16px auto 40px;
        max-width: 98%;
    }
    .perspective-container {
        border-radius: clamp(12px, 4vw, 28px);
    }
}

@media screen and (max-width: 480px) {
    .intro-test-image {
        border-radius: clamp(10px, 6vw, 20px);
        margin: 12px auto 30px;
        max-width: 100%;
    }
    .perspective-container {
        border-radius: clamp(10px, 6vw, 20px);
    }
}

.carousel-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  border-radius: clamp(10px, 4vw, 50px);
  transition: opacity 0.7s ease;
  /* Safari兼容性改进 */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* 移除按钮样式 */
.carousel-btn {
  display: none !important;
}

/* Safari 兼容性改进 - aspect-ratio fallback */
@supports not (aspect-ratio: 16 / 9) {
    .intro-generation-image {
        height: 0;
        padding-bottom: 56.25%; /* 16:9 aspect ratio */
        min-height: 0;
    }
    
    .intro-generation-image .carousel-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}

/* Safari 特定的 3D 加速和优化 */
@media screen and (-webkit-min-device-pixel-ratio: 1) {
    .intro-generation-image {
        -webkit-backface-visibility: hidden;
        -webkit-perspective: 1000;
        -webkit-transform: translate3d(0, 0, 0);
        backface-visibility: hidden;
        perspective: 1000;
        transform: translate3d(0, 0, 0);
    }
    
    .carousel-image {
        -webkit-backface-visibility: hidden;
        -webkit-transform: translate3d(0, 0, 0);
        backface-visibility: hidden;
        transform: translate3d(0, 0, 0);
    }
}

/* API 文档页面样式 */
.api-page {
    width: 100%;
    min-height: 100vh;
    background: var(--color-background);
    position: relative;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    padding-top: var(--header-height);
    /* 添加自定义属性来简化计算 */
    --sidebar-width: 220px;
    --content-gap: var(--spacing-xl);
}

.api-container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    margin-bottom: 100px;
    padding: 16px;
    display: flex;
    gap: var(--content-gap);
    flex: 1;
    position: relative;
    z-index: 1;
}

.api-sidebar {
    width: var(--sidebar-width);
    max-height: calc(100vh - var(--header-height) - var(--spacing-xl) * 2);
    height: auto;
    position: fixed;
    border: 0.5px solid var(--color-border);
    top: calc(var(--header-height) + 16px);
    /* 简化的定位计算：与logo左对齐 */
    left: calc(50vw - var(--container-width)/2 + var(--spacing-lg));
    z-index: var(--z-sticky);
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 1) 60%, rgba(255, 255, 255, 1) 100%);
    border-radius: var(--border-radius-lg);
    padding: 16px;
    overflow-y: auto;
    overflow-x: hidden;
    flex-shrink: 0;
    
    /* 入场动画 - 去掉延迟 */
    opacity: 0;
    transform: translateX(-30px);
    animation: sidebarFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0s forwards;
}

/* 侧边栏入场动画关键帧 */
@keyframes sidebarFadeIn {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 导航项入场动画 */
.api-sidebar li {
    margin-bottom: var(--spacing-xs);
    opacity: 0;
    transform: translateX(-20px);
    animation: navItemFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* 为每个导航项设置不同的延迟 - 压缩到1秒内 */
.api-sidebar li:nth-child(1) { animation-delay: 0.1s; }
.api-sidebar li:nth-child(2) { animation-delay: 0.2s; }
.api-sidebar li:nth-child(3) { animation-delay: 0.3s; }
.api-sidebar li:nth-child(4) { animation-delay: 0.4s; }
.api-sidebar li:nth-child(5) { animation-delay: 0.5s; }
.api-sidebar li:nth-child(6) { animation-delay: 0.6s; }
.api-sidebar li:nth-child(7) { animation-delay: 0.7s; }
.api-sidebar li:nth-child(8) { animation-delay: 0.8s; }
.api-sidebar li:nth-child(9) { animation-delay: 0.9s; }
.api-sidebar li:nth-child(10) { animation-delay: 1.0s; }

/* 子级导航项动画延迟 - 压缩到1秒内 */
.api-sidebar ul ul li:nth-child(1) { animation-delay: 0.4s; }
.api-sidebar ul ul li:nth-child(2) { animation-delay: 0.45s; }
.api-sidebar ul ul li:nth-child(3) { animation-delay: 0.5s; }
.api-sidebar ul ul li:nth-child(4) { animation-delay: 0.55s; }
.api-sidebar ul ul li:nth-child(5) { animation-delay: 0.6s; }
.api-sidebar ul ul li:nth-child(6) { animation-delay: 0.65s; }

/* 导航项入场动画关键帧 */
@keyframes navItemFadeIn {
    0% {
        opacity: 0;
        transform: translateX(-20px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 使用CSS变量的fallback确保在小屏幕上不出现问题 */
@media screen and (max-width: calc(var(--container-width) + 100px)) {
    .api-sidebar {
        left: var(--spacing-lg);
    }
}

.api-content {
    flex: 1;
    min-width: 0;
    border: 0.5px solid var(--color-border);
    margin-left: calc(var(--sidebar-width) + var(--content-gap));
    margin-bottom: 100px;
    background: var(--color-white-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    overflow-y: auto;
    
    /* 背景渐显动画 */
    opacity: 0;
    animation: contentBackgroundFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.1s forwards;
}

/* 内容区背景渐显动画关键帧 */
@keyframes contentBackgroundFadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.api-sidebar h2 {
    margin: 0 0 var(--spacing-lg) 0;
    font-size: var(--font-size-slarge);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
}

.api-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.api-sidebar li {
    margin-bottom: var(--spacing-xs);
}

.api-sidebar a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast) var(--easing-ease);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-regular);
    position: relative;
}

.api-sidebar a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 0;
    border-radius: 2px;
    transition: height var(--transition-fast) var(--easing-ease);
}

.api-sidebar a:hover {
    background: transparent;
    color: var(--color-accent);
    transform: translateX(4px);
    position: relative;
}

.api-sidebar a:hover::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 90%;
    background: rgba(0, 122, 255, 0.08);
    border-radius: var(--border-radius-sm);
    z-index: -1;
}

.api-sidebar a:hover::before {
    height: 60%;
}

.api-sidebar a.active {
    background: transparent;
    color: var(--color-accent);
    font-weight: var(--font-weight-medium);
    transform: translateX(4px);
    position: relative;
}

.api-sidebar a.active::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 90%; /* 调整这个值来控制背景条的宽度 */
    background: rgba(0, 122, 255, 0.1);
    border-radius: var(--border-radius-xl);
    z-index: -1;
}

.api-content h1 {
    font-size: var(--font-size-xlarge);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    scroll-margin-top: calc(var(--header-height) + var(--spacing-lg));
    position: relative;
}


.api-content h2 {
    font-size: var(--font-size-large);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin: var(--spacing-xxl) 0 var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    scroll-margin-top: calc(var(--header-height) + var(--spacing-lg));
}

.api-content h3 {
    font-size: var(--font-size-slarge);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    scroll-margin-top: calc(var(--header-height) + var(--spacing-lg));
}

.api-content h4 {
    font-size: var(--font-size-medium);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    scroll-margin-top: calc(var(--header-height) + var(--spacing-lg));
}

.api-content h5 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.api-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    color: var(--color-secondary);
}

.api-content ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
    color: var(--color-secondary);
}

.api-content li {
    margin-bottom: var(--spacing-sm);
}

.api-content a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all var(--transition-normal) var(--easing-standard);
}

.api-content a:hover {
    text-decoration: underline;
    color: var(--color-primary);
}

.api-content code {
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    background: linear-gradient(135deg, #1e293b, #334155);
    color: #e2e8f0;
    padding: 4px 8px;
    border-radius: 6px;
    font-size:var(--font-size-small);
    font-weight: 400;
    border: 1px solid #475569;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.api-content pre {
    background: linear-gradient(145deg, #0f172a, #1e293b);
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 24px;
    margin: 24px 0;
    overflow-x: auto;
    position: relative;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.3),
        0 2px 4px -1px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(148, 163, 184, 0.1);
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: var(--font-size-small);
    line-height: 1.7;
    backdrop-filter: blur(10px);
}

.api-content pre code {
    background: transparent;
    padding: 0;
    border: none;
    color: #e2e8f0;
    font-size: var(--font-size-small);
    box-shadow: none;
    display: block;
    white-space: pre;
    word-wrap: normal;
    overflow-wrap: normal;
}

/* 语法高亮样式 */
.api-content pre .hljs-comment,
.api-content pre .hljs-quote {
    color: #64748b;
    font-style: italic;
}

.api-content pre .hljs-keyword,
.api-content pre .hljs-selector-tag,
.api-content pre .hljs-addition {
    color: #f472b6;
    font-weight: 600;
}

.api-content pre .hljs-number,
.api-content pre .hljs-string,
.api-content pre .hljs-meta .hljs-meta-string,
.api-content pre .hljs-literal,
.api-content pre .hljs-doctag,
.api-content pre .hljs-regexp {
    color: #34d399;
}

.api-content pre .hljs-title,
.api-content pre .hljs-section,
.api-content pre .hljs-name,
.api-content pre .hljs-selector-id,
.api-content pre .hljs-selector-class {
    color: #60a5fa;
    font-weight: 600;
}

.api-content pre .hljs-attribute,
.api-content pre .hljs-attr,
.api-content pre .hljs-variable,
.api-content pre .hljs-template-variable,
.api-content pre .hljs-class .hljs-title,
.api-content pre .hljs-type {
    color: #fbbf24;
}

.api-content pre .hljs-symbol,
.api-content pre .hljs-bullet,
.api-content pre .hljs-subst,
.api-content pre .hljs-meta,
.api-content pre .hljs-meta .hljs-keyword,
.api-content pre .hljs-selector-attr,
.api-content pre .hljs-selector-pseudo,
.api-content pre .hljs-link {
    color: #a78bfa;
}

.api-content pre .hljs-built_in,
.api-content pre .hljs-deletion {
    color: #fb7185;
}

/* 代码块复制按钮 */
.api-content pre::after {
    content: var(--copy-text, 'Copy');
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(30, 41, 59, 0.8);
    color: #94a3b8;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-family: var(--font-family);
    border: 1px solid #475569;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(-4px);
    z-index: 10;
    user-select: none;
    pointer-events: auto;
}

.api-content pre:hover::after {
    opacity: 1;
    transform: translateY(0);
}

.api-content pre::after:hover {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border-color: #3b82f6;
    transform: scale(1.05);
}

/* 复制成功状态 */
.api-content pre[data-copied="true"]::after {
    content: 'Copied!';
    background: rgba(34, 197, 94, 0.2);
    color: #34d399;
    border-color: #22c55e;
}

/* 响应式调整 */
@media screen and (max-width: 767px) {
    .api-content pre {
        padding: 16px;
        margin: 16px 0;
        font-size: 13px;
        border-radius: 8px;
    }
    
    .api-content pre::after {
        font-size: 11px;
        padding: 4px 8px;
        top: 8px;
        right: 8px;
    }
}

@media screen and (max-width: 480px) {
    .api-content pre {
        padding: 12px;
        font-size: 12px;
        line-height: 1.6;
    }
    
    .api-content code {
        font-size: var(--font-size-small);
        padding: 3px 6px;
    }
}

/* 滚动条样式 - 深色主题 */
.api-content pre::-webkit-scrollbar {
    height: 8px;
    width: 8px;
}

.api-content pre::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
    border-radius: 4px;
}

.api-content pre::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #475569, #64748b);
    border-radius: 4px;
    border: 1px solid #334155;
}

.api-content pre::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #64748b, #94a3b8);
}

/* 响应式设计 */
@media screen and (max-width: 1200px) {
    .api-container {
        max-width: 100%;
        padding: 12px 10px;
        gap: var(--spacing-lg);
    }
    
    .api-sidebar {
        width: var(--sidebar-width); /* 保持一致的宽度 220px */
        left: var(--spacing-lg);
    }
    
    .api-content {
        margin-left: calc(var(--sidebar-width) + var(--spacing-lg) * 2); /* 使用一致的变量 */
    }
}

@media screen and (max-width: 1024px) {
    .api-container {
        flex-direction: column;
        gap: var(--spacing-lg);
        padding: var(--spacing-md);
    }
    
    .api-sidebar {
        position: static;
        left: auto;
        top: auto;
        width: 100%;
        height: auto;
        max-height: none;
        border-radius: var(--border-radius-md);
        background: rgba(252, 252, 252, 0.5);
        backdrop-filter: blur(5px);
    }
    
    .api-content {
        margin-left: 0;
        padding: var(--spacing-xl);
    }
    
    .api-sidebar h2 {
        font-size: var(--font-size-medium);
    }
    
    .api-sidebar ul {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .api-sidebar li {
        margin-bottom: 0;
        flex: 0 0 auto;
    }
    
    .api-sidebar a {
        font-size: var(--font-size-small);
        padding: var(--spacing-xs) var(--spacing-sm);
        white-space: nowrap;
    }
}

@media screen and (max-width: 767px) {
    .api-container {
        padding: var(--spacing-sm);
        gap: var(--spacing-md);
        margin-top: calc(var(--header-height) + var(--spacing-sm));
    }
    
    .api-sidebar {
        padding: var(--spacing-lg);
        border-radius: var(--border-radius-md);
    }
    
    .api-sidebar ul {
        flex-direction: column;
    }
    
    .api-sidebar li {
        width: 100%;
    }
    
    .api-sidebar a {
        width: 100%;
        white-space: normal;
    }
    
    .api-content {
        padding: var(--spacing-lg);
    }
    
    .api-content h1 {
        font-size: var(--font-size-large);
    }
    
    .api-content h2 {
        font-size: var(--font-size-slarge);
    }
    
    .api-content pre {
        font-size: 13px;
        padding: var(--spacing-md);
    }
    
    .api-content table {
        font-size: var(--font-size-small);
    }
    
    .api-content th,
    .api-content td {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

@media screen and (max-width: 480px) {
    .api-content {
        padding: var(--spacing-md);
    }
    
    .api-content h1 {
        font-size: var(--font-size-slarge);
    }
    
    .api-content h2 {
        font-size: var(--font-size-medium);
    }
    
    .api-content pre {
        font-size: 12px;
        padding: var(--spacing-sm);
    }
    
    .api-note,
    .api-content blockquote {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .api-note p {
        padding-left: var(--spacing-lg);
    }
}

@media screen and (max-width: 390px) {
    .api-content {
        padding: var(--spacing-sm);
    }
    
    .api-content h1 {
        font-size: var(--font-size-medium);
    }
    
    .api-content h2 {
        font-size: var(--font-size-base);
    }
    
    .api-content pre {
        font-size: 11px;
        padding: var(--spacing-xs);
    }
}

/* 确保 API 页面内容可见性 */
.api-page .animate-fade-in,
.api-page .animate-fade-in-slow {
    opacity: 1 !important;
    animation: none !important;
}

/* 滚动条样式优化 */
.api-content::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.api-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.api-content::-webkit-scrollbar-thumb {
    background: rgba(0, 122, 255, 0.3);
    border-radius: 3px;
    transition: background var(--transition-normal) var(--easing-ease);
}

.api-content::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 122, 255, 0.5);
}

/* 侧边栏滚动条样式 - 隐藏滚动条 */
.api-sidebar::-webkit-scrollbar {
    width: 0px;
    background: transparent;
}

.api-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.api-sidebar::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 2px;
}

.api-sidebar::-webkit-scrollbar-thumb:hover {
    background: transparent;
}

/* 表格列宽控制类 - 请求参数表格专用 */
.api-content .params-table {
    table-layout: fixed;
}

.api-content .params-table th:nth-child(1),
.api-content .params-table td:nth-child(1) {
    width: 18%; /* 参数名列 */
}

.api-content .params-table th:nth-child(2),
.api-content .params-table td:nth-child(2) {
    width: 12%; /* 类型列 */
}

.api-content .params-table th:nth-child(3),
.api-content .params-table td:nth-child(3) {
    width: 10%; /* 必填列 */
}

.api-content .params-table th:nth-child(4),
.api-content .params-table td:nth-child(4) {
    width: 60%; /* 说明列 */
}

/* 通用表格列宽控制类 */
.api-content .table-col-narrow {
    width: 10%;
}

.api-content .table-col-small {
    width: 15%;
}

.api-content .table-col-medium {
    width: 20%;
}

.api-content .table-col-large {
    width: 30%;
}

.api-content .table-col-wide {
    width: 40%;
}

.api-content .table-col-extra-wide {
    width: 50%;
}

/* 响应式表格列宽调整 */
@media screen and (max-width: 767px) {
    .api-content .params-table th:nth-child(1),
    .api-content .params-table td:nth-child(1) {
        width: 25%; /* 移动端调整参数名列 */
    }

    .api-content .params-table th:nth-child(2),
    .api-content .params-table td:nth-child(2) {
        width: 15%; /* 移动端调整类型列 */
    }

    .api-content .params-table th:nth-child(3),
    .api-content .params-table td:nth-child(3) {
        width: 12%; /* 移动端调整必填列 */
    }

    .api-content .params-table th:nth-child(4),
    .api-content .params-table td:nth-child(4) {
        width: 48%; /* 移动端调整说明列 */
    }
    
    /* 3列字段表格移动端适配 */
    .api-content .fields-table th:nth-child(1),
    .api-content .fields-table td:nth-child(1) {
        width: 25%; /* 移动端字段名列 */
    }

    .api-content .fields-table th:nth-child(2),
    .api-content .fields-table td:nth-child(2) {
        width: 12%; /* 移动端字段类型列 */
    }

    .api-content .fields-table th:nth-child(3),
    .api-content .fields-table td:nth-child(3) {
        width: 63%; /* 移动端中文解释列 */
    }
}

/* 代码块现代化深色主题样式 */

/* 内联代码样式 */
.api-content code {
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    background: linear-gradient(135deg, #1e293b, #334155);
    color: #e2e8f0;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.875em;
    font-weight: 500;
    border: 1px solid #475569;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* 代码块容器 */
.api-content pre {
    background: linear-gradient(145deg, #0f172a, #1e293b);
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 24px;
    margin: 24px 0;
    overflow-x: auto;
    position: relative;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.3),
        0 2px 4px -1px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(148, 163, 184, 0.1);
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: var(--font-size-small);
    line-height: 1.7;
    backdrop-filter: blur(10px);
}

.api-content pre code {
    background: transparent;
    padding: 0;
    border: none;
    color: #e2e8f0;
    font-size: inherit;
    box-shadow: none;
    display: block;
    white-space: pre;
    word-wrap: normal;
    overflow-wrap: normal;
}

/* 语法高亮样式 */
.api-content pre .hljs-comment,
.api-content pre .hljs-quote {
    color: #64748b;
    font-style: italic;
}

.api-content pre .hljs-keyword,
.api-content pre .hljs-selector-tag,
.api-content pre .hljs-addition {
    color: #f472b6;
    font-weight: 600;
}

.api-content pre .hljs-number,
.api-content pre .hljs-string,
.api-content pre .hljs-meta .hljs-meta-string,
.api-content pre .hljs-literal,
.api-content pre .hljs-doctag,
.api-content pre .hljs-regexp {
    color: #34d399;
}

.api-content pre .hljs-title,
.api-content pre .hljs-section,
.api-content pre .hljs-name,
.api-content pre .hljs-selector-id,
.api-content pre .hljs-selector-class {
    color: #60a5fa;
    font-weight: 600;
}

.api-content pre .hljs-attribute,
.api-content pre .hljs-attr,
.api-content pre .hljs-variable,
.api-content pre .hljs-template-variable,
.api-content pre .hljs-class .hljs-title,
.api-content pre .hljs-type {
    color: #fbbf24;
}

.api-content pre .hljs-symbol,
.api-content pre .hljs-bullet,
.api-content pre .hljs-subst,
.api-content pre .hljs-meta,
.api-content pre .hljs-meta .hljs-keyword,
.api-content pre .hljs-selector-attr,
.api-content pre .hljs-selector-pseudo,
.api-content pre .hljs-link {
    color: #a78bfa;
}

.api-content pre .hljs-built_in,
.api-content pre .hljs-deletion {
    color: #fb7185;
}

/* 代码块复制按钮 */
.api-content pre::after {
    content: var(--copy-text, 'Copy');
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(30, 41, 59, 0.8);
    color: #94a3b8;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-family: var(--font-family);
    border: 1px solid #475569;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(-4px);
    z-index: 10;
    user-select: none;
    pointer-events: auto;
}

.api-content pre:hover::after {
    opacity: 1;
    transform: translateY(0);
}

.api-content pre::after:hover {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border-color: #3b82f6;
    transform: scale(1.05);
}

/* 复制成功状态 */
.api-content pre[data-copied="true"]::after {
    content: 'Copied!';
    background: rgba(34, 197, 94, 0.2);
    color: #34d399;
    border-color: #22c55e;
}

/* 响应式调整 */
@media screen and (max-width: 767px) {
    .api-content pre {
        padding: 16px;
        margin: 16px 0;
        font-size: var(--font-size-small);
        border-radius: 8px;
    }
    
    .api-content pre::after {
        font-size: 11px;
        padding: 4px 8px;
        top: 8px;
        right: 8px;
    }
}

@media screen and (max-width: 480px) {
    .api-content pre {
        padding: 12px;
        font-size: var(--font-size-small);
        line-height: 1.6;
    }
    
    .api-content code {
        font-size: var(--font-size-small);
        padding: 3px 6px;
    }
}

/* JSON 语法高亮增强 */
.json-key {
    color: #60a5fa !important;
    font-weight: 600;
}

.json-string {
    color: #34d399 !important;
}

.json-number {
    color: #fbbf24 !important;
    font-weight: 500;
}

.json-boolean {
    color: #f472b6 !important;
    font-weight: 600;
}

.json-null {
    color: #94a3b8 !important;
    font-style: italic;
}

.api-content blockquote {
    border-left: 2px solid var(--color-accent);
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.03), rgba(0, 122, 255, 0.08));
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    position: relative;
}

.api-content blockquote::before {
    content: '"';
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    font-size: var(--font-size-large);
    color: var(--color-accent);
    font-weight: var(--font-weight-bold);
    opacity: 0.3;
}

.api-content blockquote p {
    margin: 0;
    color: var(--color-primary);
}

.api-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-xl) 0;
    font-size: var(--font-size-base);
    background: var(--color-white);
    border-radius: var(--border-radius-md);
    border: 0.5px solid var(--color-border);
    overflow: visible;
    box-shadow: var(--shadow-sm);
    table-layout: fixed; /* 使用固定表格布局以支持精确的列宽控制 */
}

.api-content th,
.api-content td {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    border: 0.5px solid var(--color-border);
    word-wrap: break-word; /* 支持长文本换行 */
    overflow-wrap: break-word;
}

.api-content th {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.9), rgba(241, 245, 249, 0.9));
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    position: sticky;
    top: 0;
}

.api-content tr:last-child td {
    border-bottom: none;
}

.api-content tr:hover {
    background: rgba(0, 122, 255, 0.02);
}

.api-note {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(59, 130, 246, 0.12));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-left: 2px solid var(--color-accent);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.api-note::before {
    content: '💡';
    position: absolute;
    top: 20px;
    left: var(--spacing-xs);
    font-size: var(--font-size-medium);
}

.api-note p {
    margin: 0;
    color: var(--color-primary);
    padding-left: var(--spacing-xl);
}

/* 针对短屏幕高度的适配 */
@media screen and (max-height: 600px) {
    .api-sidebar {
        max-height: calc(100vh - var(--header-height) - 16px - var(--spacing-md));
        top: calc(var(--header-height) + 16px);
    }
    
    .api-sidebar ul {
        gap: var(--spacing-xs);
    }
    
    .api-sidebar li {
        margin-bottom: var(--spacing-xs);
    }
    
    .api-sidebar a {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-small);
        line-height: 1.3;
    }
}

@media screen and (max-height: 480px) {
    .api-sidebar {
        max-height: calc(100vh - var(--header-height) - 16px - var(--spacing-sm));
        top: calc(var(--header-height) + 16px);
        padding: var(--spacing-xs);
    }
    
    .api-sidebar h2 {
        font-size: var(--font-size-medium);
        margin-bottom: var(--spacing-sm);
        padding-bottom: var(--spacing-xs);
    }
    
    .api-sidebar ul {
        gap: 2px;
    }
    
    .api-sidebar li {
        margin-bottom: 2px;
    }
    
    .api-sidebar a {
        padding: 4px var(--spacing-xs);
        font-size: 12px;
        line-height: 1.2;
    }
}

/* 针对极短屏幕的适配（如横屏手机浏览器） */
@media screen and (max-height: 400px) {
    .api-container {
        margin-top: calc(var(--header-height) + var(--spacing-xs));
    }
    
    .api-sidebar {
        max-height: calc(100vh - var(--header-height) - 16px - var(--spacing-xs));
        top: calc(var(--header-height) + 16px);
        width: 200px;
        padding: var(--spacing-xs);
    }
    
    .api-sidebar h2 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xs);
        padding-bottom: 2px;
    }
    
    .api-sidebar a {
        padding: 2px var(--spacing-xs);
        font-size: 11px;
        line-height: 1.1;
    }
    
    .api-content {
        margin-left: calc(200px + var(--spacing-lg) * 2);
    }
}

/* 主分类样式 - 黑色字体 */
.api-sidebar > ul > li > a {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

/* 子分类样式 - 保持原色彩，添加缩进 */
.api-sidebar ul ul {
    padding-left: 10px;
}

.api-sidebar ul ul li a {
    color: var(--color-secondary);
    font-weight: var(--font-weight-regular);
    padding: var(--spacing-xs) var(--spacing-md); /* 调整这里可以改变子分类的行高 */
}

/* 3列字段表格专用 - 字段名/类型/解释 */
.api-content .fields-table {
    table-layout: fixed;
}

.api-content .fields-table th:nth-child(1),
.api-content .fields-table td:nth-child(1) {
    width: 20%; /* 字段名列 */
}

.api-content .fields-table th:nth-child(2),
.api-content .fields-table td:nth-child(2) {
    width: 20%; /* 字段类型列 */
}

.api-content .fields-table th:nth-child(3),
.api-content .fields-table td:nth-child(3) {
    width: 60%; /* 中文解释列 */
}

/* 引用块中的链接样式 */
.api-content blockquote a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-normal) var(--easing-standard);
}

.api-content blockquote a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* 定价表格中的列表项文字颜色设置为黑色 */
.api-content table li {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

/* 确保嵌套列表也保持黑色 */
.api-content table ul li {
    color: var(--color-primary);
}

/* API 内容区入场动画关键帧 */
@keyframes apiContentFadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* API 内容区第一屏元素动画 */
.api-content h1,
.api-content h2,
.api-content h4,
.api-content h5,
.api-content p,
.api-content blockquote,
.api-content table,
.api-content .api-note {
    opacity: 0;
    animation: apiContentFadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* 为不同元素设置延迟，创建波浪式效果 */
.api-content h1 { animation-delay: 0.2s; }

/* 首次调用API 部分 */
.api-content h2#first-call { animation-delay: 0.25s; }
.api-content h2#first-call + p { animation-delay: 0.3s; }

/* API接口 部分 */
.api-content h2#api-interface { animation-delay: 0.35s; }
.api-content h2#api-interface + p { animation-delay: 0.4s; }
.api-content blockquote { animation-delay: 0.45s; }

/* 调用方式 部分 */
.api-content h2#call-method { animation-delay: 0.5s; }

/* 请求方式 部分 */
.api-content h4#request-method { animation-delay: 0.55s; }
.api-content h4#request-method + p { animation-delay: 0.6s; }

/* 请求参数 部分 */
.api-content h4#request-params { animation-delay: 0.65s; }
.api-content h5 { animation-delay: 0.7s; }
.api-content .api-note { animation-delay: 0.75s; }
.api-content table { animation-delay: 0.8s; }

/* 确保第一屏之后的内容保持可见 */
.api-content h4#request-body,
.api-content h4#request-body ~ * {
    opacity: 1 !important;
    animation: none !important;
}

/* 导航项入场动画关键帧 */
@keyframes navItemFadeIn {
    0% {
        opacity: 0;
        transform: translateX(-20px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 轮播指示点样式 */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    padding: 0;
}

.carousel-indicator:hover {
    background-color: rgba(255, 255, 255, 0.7);
    transform: scale(1.2);
}

.carousel-indicator.active {
    background-color: rgba(255, 255, 255, 1);
    transform: scale(1.3);
}

/* 响应式指示点 */
@media screen and (max-width: 767px) {
    .carousel-indicators {
        bottom: 15px;
        gap: 6px;
    }
    
    .carousel-indicator {
        width: 6px;
        height: 6px;
    }
}

@media screen and (max-width: 480px) {
    .carousel-indicators {
        bottom: 12px;
        gap: 5px;
    }
    
    .carousel-indicator {
        width: 5px;
        height: 5px;
    }
}

/* 轮播导航按钮样式 */
.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(0, 0, 0, 0.7);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 20;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.carousel-nav-btn:hover {
    background-color: rgba(255, 255, 255, 1);
    color: rgba(0, 0, 0, 0.9);
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.carousel-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-prev-btn {
    left: 20px;
}

.carousel-next-btn {
    right: 20px;
}

/* 轮播容器悬停时显示导航按钮 */
.intro-generation-image:hover .carousel-nav-btn {
    opacity: 1;
    visibility: visible;
}

/* 响应式导航按钮 */
@media screen and (max-width: 1024px) {
    .carousel-nav-btn {
        width: 45px;
        height: 45px;
    }
    
    .carousel-prev-btn {
        left: 15px;
    }
    
    .carousel-next-btn {
        right: 15px;
    }
}

@media screen and (max-width: 767px) {
    .carousel-nav-btn {
        width: 40px;
        height: 40px;
        opacity: 1;
        visibility: visible;
    }
    
    .carousel-prev-btn {
        left: 10px;
    }
    
    .carousel-next-btn {
        right: 10px;
    }
}

@media screen and (max-width: 480px) {
    .carousel-nav-btn {
        width: 35px;
        height: 35px;
    }
    
    .carousel-nav-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .carousel-prev-btn {
        left: 8px;
    }
    
    .carousel-next-btn {
        right: 8px;
    }
}

/* 品牌介绍文字样式 - 覆盖intro-section的居中灰色样式 */
.brand-intro-text {
    color: var(--color-primary) !important;
    text-align: left !important;
    margin-top: 30px !important;
    margin-bottom: 30px !important;
    font-size: var(--font-size-base) !important;
    line-height: 1.6 !important;
}