/* 基础样式 */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    font-family: "Microsoft YaHei", "微软雅黑", Arial, Helvetica, sans-serif;
}

/* 导航栏样式 */
.simu-site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #efefef;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    width: 100%;
    height: 80px;
}

.simu-site-bg-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    overflow: hidden;
}

.simu-site-bg-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.simu-site-inner {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.simu-site-logo {
    display: flex;
    align-items: center;
    height: 70px;
    margin-right: 5px;
}

.simu-site-logo img {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.simu-site-nav {
    margin-left: 20px;
    width: 786.42px;
    background: rgba(239, 239, 239, 0.95);
}

.simu-site-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: nowrap;
    width: 100%;
}

.simu-site-nav > ul > li {
    position: relative;
    margin: 0;
    height: 70px;
}

.desktop-hide {
    display: none !important;
}

/* 设置每个菜单项的具体宽度 */
.simu-site-nav > ul > li:nth-child(1) {
    width: 83.67px;
}

.simu-site-nav > ul > li:nth-child(2),
.simu-site-nav > ul > li:nth-child(3),
.simu-site-nav > ul > li:nth-child(5) {
    width: 113.67px;
}

.simu-site-nav > ul > li:nth-child(4) {
    width: 128.67px;
}

.simu-site-nav > ul > li:nth-child(6) {
    width: 113.67px;
}

.simu-site-nav > ul > li:nth-child(7) {
    width: 119.42px;
}

.simu-site-nav .oneLevelMenu {
    display: block;
    padding: 0;
    line-height: 35px;
    color: #333;
    text-decoration: none;
    font-size: 15px;
    font-family: "Microsoft YaHei", "微软雅黑", Arial, Helvetica, sans-serif;
    transition: all 0.3s;
    border-radius: 17px;
    margin: calc((70px - 35px) / 2) 0;
    white-space: nowrap;
    text-align: center;
    width: 100%;
}

.simu-site-nav .oneLevelMenu:hover {
    color: #fff;
    background-color: #354157;
}

/* 子菜单样式 */
.simu-site-subnav {
    position: absolute;
    top: 50px;
    left: 0;
    background: rgba(239, 239, 239, 0.95);
    width: fit-content;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(0);
    transition: all 0.3s;
}

.showTwoMenu:hover .simu-site-subnav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.simu-site-subnav ul {
    flex-direction: column;
}

.simu-site-subnav .twoLevelMenu {
    display: block;
    padding: 12px 20px;
    color: #666;
    text-decoration: none;
    font-family: "Microsoft YaHei", "微软雅黑", Arial, Helvetica, sans-serif;
    transition: all 0.3s;
}

.simu-site-subnav .twoLevelMenu:hover {
    background: #354157;
    color: #fff;
}

/* 导航栏主题颜色 */
.simu-site-nav-bg-color {
    background-color: #efefef;
}

.simu-site-nav-font-color {
    color: #333;
}

.simu-site-subnav-bg-color {
    background-color: #efefef;
}

.simu-site-subnav-font-color {
    color: #666;
}

/* 导航栏响应式 */
@media (max-width: 1200px) {
    .simu-site-inner {
        padding: 0 15px;
        min-width: 1200px;
    }

    .simu-site-nav .oneLevelMenu {
        padding: 0;
    }
}

@media screen and (max-width: 768px) {
    .simu-site-header {
        height: 50px;
        background-color: #efefef;
    }

    .simu-site-inner {
        min-width: unset;
        width: 100%;
        padding: 0 15px;
        height: 50px;
    }

    .simu-site-logo {
        height: 50px;
    }

    .simu-site-logo img {
        height: 50px;
    }

    .menu-toggle {
        display: block;
        position: absolute;
        right: 65px;
    top: 50%;
    transform: translateY(-50%);
        width: 24px;
        height: 24px;
        cursor: pointer;
        z-index: 1001;
    }

    .menu-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background-color: #333;
        margin: 6px 0;
        transition: all 0.3s ease;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    /* 导航菜单样式 */
    .simu-site-nav {
        position: fixed;
        top: 50px;
        left: 0;
        width: calc(100% - 85px);
        height: 280px;
        background: rgba(239, 239, 239, 0.1);
        margin: 0;
        padding: 10px 0;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
        display: none;
    }

    .simu-site-nav.active {
        transform: translateX(0);
        display: block;
    }

    /* 隐藏所有一级菜单项 */
    .simu-site-nav .desktop-menu,
    .simu-site-nav .desktop-menu > li,
    .simu-site-nav .desktop-menu > li > a,
    .simu-site-nav .oneLevelMenu {
        font-size: 0 !important;
        line-height: 0 !important;
        height: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        min-height: 0 !important;
        visibility: hidden !important;
    }

    .simu-site-nav .desktop-menu > li {
        overflow: visible !important;
    }

    /* 显示子菜单容器 */
    .simu-site-nav .simu-site-subnav {
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        box-shadow: none;
        background: none;
        width: 100%;
        padding: 0 !important;
        margin: 0 !important;
        display: block !important;
    }

    /* 显示子菜单列表 */
    .simu-site-nav .simu-site-subnav ul {
        display: flex !important;
        flex-direction: column !important;
        width: 100%;
        padding: 0 !important;
        margin: 0 !important;
    }

    /* 显示mobile-show菜单项 */
    .simu-site-nav .simu-site-subnav .twoLevelMenu.mobile-show {
        display: block !important;
        padding: 12px 20px !important;
        margin: 0 !important;
        text-align: left;
        font-size: 16px;
        color: #333;
        text-decoration: none;
        line-height: 1.5;
        white-space: nowrap;
        position: relative;
        z-index: 2;
        visibility: visible !important;
    }

    .simu-site-nav .simu-site-subnav .twoLevelMenu.mobile-show:hover {
        color: #fff;
        background: #354157;
    }

    /* 隐藏其他菜单项 */
    .simu-site-nav .simu-site-subnav .twoLevelMenu:not(.mobile-show) {
        display: none !important;
    }

    .simu-site-nav {
        background: rgba(239, 239, 239, 0.95);
    }

    /* .video-wrapper video {
        display: none;
    } */
    
    .hero-section {
        background-size: cover;
        background-position: center;
    }
}

/* Hero部分样式 */
.hero-section {
    position: relative;
    width: 100%;
    height: calc(100vh - 70px);
    margin-top: 70px;
    background: #efefef;
    overflow: hidden;
}

.video-wrapper {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: auto;
    min-height: 60%;
    max-height: 100%;
    object-fit: contain;
    object-position: center bottom;
    z-index: 1;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-content {
    position: relative;
    z-index: 3;
    padding-right: 10%;
    width: 60%;
    text-align: right;
    transform: translate(320px, 60px);
}

.hero-content h1 {
    font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
    font-size: 48px;
    font-weight: bold;
    line-height: 1.4;
    margin: 0;
    white-space: pre-line;
    opacity: 0;
    animation: fadeInGeneral 1s ease-out forwards;
}

.hero-content h1 span {
    display: block;
}

.hero-content h4 {
    font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
    font-size: 16px;
    font-weight: bold;
    margin-top: 20px;
    opacity: 0;
    animation: fadeInGeneral 1s ease-out forwards;
}

/* Hero部分响应式 */
@media screen and (max-width: 1024px) {
    .hero-content {
        transform: translate(280px, 80px);
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content h4 {
        font-size: 14px;
    }
}

@media screen and (max-width: 768px) {
    .hero-section {
        height: 50vh;
        margin-top: 50px;
    }

    .hero-content {
        transform: translate(120px, 100px);
        width: 60%;
        padding-right: 10%;
    }

    .hero-content h1 {
        font-size: 16px;
        color: #333;
    }

    .hero-content h1 span {
        font-size: 16px;
        margin-top: 10px;
    }

    .hero-content h4 {
        font-size: 12px;
        color: #333;
        margin-top: 15px;
        white-space: nowrap;
    }
}

/* 动画效果 */
@keyframes fadeInGeneral {
    from { 
        opacity: 0; 
        transform: var(--transform-from, translateY(10px));
    }
    to { 
        opacity: 1; 
        transform: var(--transform-to, none);
    }
}

/* System部分样式 */
.system-section {
    position: relative;
    width: 100%;
    height: calc(100vh - 70px);
    margin-top: 0;
    padding: 0;
    background: #444444;
    overflow: hidden;
}

#canvas-container {
    width: 50vw;
    height: 100%;
    position: absolute;
    top: 0;
    right: 0;
    transform: translate(-60px, -60px);
    overflow: visible;
    z-index: 1;
}

.system-content {
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    height: 100%;
    z-index: 2;
    width: 100%;
}

.text-left {
    width: 60%;
    padding-left: 10%;
    text-align: left;
    display: flex;
    flex-direction: column;
    transform: translateY(-60px);
    position: relative;
    z-index: 10;
}

.text-left .highlight {
    margin-bottom: 0;
}

.text-left .description {
    margin-left: 1.5em;
    margin-bottom: 20px;
}

.pyramid-text {
    position: absolute;
    bottom: -100%;
    left: 24rem;
    padding-top: 5rem;
    z-index: 10;
}

.highlight {
    color: #E5BF5F;
    font-weight: bold;
    font-size: 28px;
    margin-bottom: 10px;
    opacity: 0.8;
}

.description {
    color: #EFEFEF;
    font-size: 18px;
    line-height: 1.6;
    white-space: pre-line;
    opacity: 0.8;
}

/* System部分响应式 */
@media screen and (max-width: 1024px) {
    #canvas-container {
        width: 50vw;
        transform: translate(-40px, -40px);
    }

    .text-left {
        width: 60%;
        padding-left: 8%;
        transform: translateY(-60px);
    }

    .pyramid-text {
        left: 16rem;
        bottom: -100%;
    }

    .highlight {
        font-size: 24px;
    }

    .description {
        font-size: 16px;
    }
}

@media screen and (max-width: 768px) {
    .system-section {
        height: calc(50vh - 50px) !important;
        margin-top: 0;
    }

    #canvas-container {
        width: 60%;
        transform: translate(-30px, -20px);
    }

    .system-content {
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 40px;
    }

    .text-left {
        width: 100%;
        padding-left: 24%;
        transform: none;
    }

    .pyramid-text {
        display: none;
    }

    .highlight {
        font-size: 20px;
    }

    .description {
        font-size: 14px;
    }
}

/* Why部分样式 */
.why-section {
    position: relative;
    width: 100%;
    min-height: auto;
    padding: 10px 0;
    margin: 0;
    background: #fff;
    overflow: hidden;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px;
    min-height: auto;
}

/* 添加动画关键帧，使用不同名称避免冲突 */
@keyframes fadeInWhy {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInWhy {
    from { opacity: 0; transform: translateX(-15px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleInWhy {
    from { opacity: 0; transform: scale(0.97); }
    to { opacity: 1; transform: scale(1); }
}

/* 大屏幕网格布局 */
@media (min-width: 1025px) {
    .why-section {
        min-height: auto;
        padding: 5px 0;
    }
    
    #why-section + #who-section,
    #who-section + #how-section {
        margin-top: -15px;
    }
    
    .why-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: repeat(5, minmax(auto, auto));
        gap: 15px;
        min-height: auto;
        padding: 10px;
        opacity: 0;
        animation: fadeInWhy 0.7s ease-out forwards;
    }
    
    .why-block {
        background: rgba(255, 255, 255, 0.98);
        border-radius: 8px;
        padding: 15px;
        transition: all 0.3s ease;
        opacity: 0;
        animation: scaleInWhy 0.5s ease-out forwards;
    }
    
    .why-block:hover {
        transform: translateY(-2px);
    }
    
    .why-block.why {
        grid-column: 1 / -1;
        grid-row: 1 / 2;
        padding: 30px;
        animation-delay: 0.2s;
    }
    
    .why-block.who {
        grid-column: 2;
        grid-row: 2;
        display: flex;
        align-items: center;
        animation-delay: 0.4s;
    }
    
    .why-block.team {
        grid-column: 1;
        grid-row: 2 / 3;
        padding: 0;
        overflow: hidden;
        animation-delay: 0.6s;
        background: transparent;
    }
    
    .why-block.how {
        grid-column: 1;
        grid-row: 3;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        animation-delay: 0.8s;
    }
    
    .why-block.strategy {
        grid-column: 2;
        grid-row: 3 / 6;
        padding: 0;
        overflow: hidden;
        animation-delay: 1s;
        background: transparent;
        display: flex;
        flex-direction: column;
    }
    
    .why-block.strategy .block-content {
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    
    .why-block.strategy .visual-content {
        flex: 1;
        height: 100%;
        min-height: 450px; /* 确保有足够高度显示3个卡片 */
    }
    
    .why-block.strategy #strategy-chart {
        height: 100% !important;
        width: 100%;
        min-height: 100%;
    }
    
    /* 减小大屏幕下的内容高度 */
    .why-block .block-content {
        height: 100%;
        min-height: auto;
    }
    
    .why-block.why .block-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 40px;
    }
    
    .why-block.why .block-title,
    .why-block.who .block-title,
    .why-block.how .block-title {
        font-size: 56px;
        color: #333;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
        opacity: 0;
        animation: slideInWhy 0.6s ease-out forwards;
        animation-delay: 0.3s;
        margin-bottom: 10px;
    }
    
    .why-block.why .block-title {
        margin: 0 0 20px 0;
    }
    
    .why-block.who .block-title {
        margin: 0 30px;
        text-align: right;
    }
    
    .why-block.how .block-title {
        margin: 0 30px;
    }
    
    .why-block.team .team-container {
        height: 100%;
        width: 100%;
    }
    
    /* 调整图表容器高度 */
    .chart-container {
        width: 100%;
        height: 100%;
        min-height: auto;
        max-height: 300px;
        transition: all 0.3s ease;
    }
    
    #pie-chart {
        min-height: 350px;
    }
    
    #team-chart {
        border-radius: 8px;
        overflow: hidden;
    }
    
    #strategy-chart {
        border-radius: 8px;
        overflow: hidden;
    }
    
    /* 交互效果 */
    .why-block:hover .chart-container {
        transform: scale(1.005);
    }
    
    .why-block.who:hover .block-title,
    .why-block.how:hover .block-title {
        transform: scale(1.02);
        color: #000;
    }
    
    .why-block.who .block-title,
    .why-block.how .block-title {
        transition: all 0.3s ease;
        cursor: default;
    }
}

/* 中等屏幕样式 (768px-1024px) */
@media (max-width: 1024px) {
    .why-container {
        display: flex;
        flex-direction: column;
        gap: 20px;
        padding: 15px 0;
    }
    
    .why-block {
        background: rgba(255, 255, 255, 0.98);
        border-radius: 8px;
        margin-bottom: 20px;
        padding: 20px;
        opacity: 0;
        transform: translateY(15px);
        animation: fadeInWhy 0.5s ease-out forwards;
    }
    
    .block-content {
        display: flex;
        flex-direction: column;
        gap: 15px;
    align-items: center;
}

    .why-block.team,
    .why-block.strategy {
        padding: 0;
        overflow: hidden;
        background: transparent;
    }
    
    .chart-container,
    #pie-chart,
    #strategy-chart {
        width: 500px;
        height: 350px;
    }
    
    .why-block:nth-child(1) { animation-delay: 0.2s; }
    .why-block:nth-child(2) { animation-delay: 0.4s; }
    .why-block:nth-child(3) { animation-delay: 0.6s; }
    .why-block:nth-child(4) { animation-delay: 0.8s; }
    .why-block:nth-child(5) { animation-delay: 1s; }
    
    .section-title {
        font-size: 30px;
    }
    
    .block-title {
        font-size: 48px;
        font-weight: bold;
        color: #333;
        margin-bottom: 15px;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.15);
        opacity: 0;
        animation: slideInWhy 0.5s ease-out forwards;
        animation-delay: 0.3s;
    }
    
    /* Who部分的特殊样式 */
    .why-block.who .block-title {
        position: absolute !important;
        top: 10px !important;
        right: 20px !important;
        left: auto !important;
        z-index: 20 !important;
        margin: 0 !important;
        text-align: right !important;
    }
}

/* 小屏幕样式 (768px以下) */
@media (max-width: 768px) {
    .why-section {
        min-height: auto;
        padding: 30px 0 0;
    }
    
    .section-container {
        padding: 15px;
        min-height: auto;
    }
    
    .why-block {
        margin-bottom: 15px;
    }
    
    .why-container {
        gap: 30px;
    }
    
    .chart-container,
    #pie-chart,
    #strategy-chart {
        width: 320px;
        height: 240px;
    }
    
    /* 饼图容器特殊处理 */
    #pie-chart {
        width: 320px;
        height: 280px; /* 增加高度以容纳标题和注释 */
        margin-top: 10px; /* 增加顶部间距 */
        margin-bottom: 10px; /* 增加底部间距 */
    }
    
    /* team-chart保持固定尺寸 */
    #team-chart {
        width: 600px;
        height: 400px;
    }
    
    .scroll-text {
        width: 80%;
        height: 120px;
        font-size: 16px;
    }
    
    .scroll-item {
        height: 40px;
        line-height: 40px;
        padding-left: 80px;
    }
    
    .strategy-desc {
        font-size: 12px !important;
        line-height: 1.3 !important;
    }
    
    .strategy-title {
        font-size: 20px !important;
        margin-bottom: 8px !important;
    }
    
    /* Who部分的特殊样式 */
    .why-block.who .block-title {
        position: absolute !important;
        top: 10px !important;
        right: 20px !important;
        left: auto !important;
        z-index: 20 !important;
        margin: 0 !important;
        text-align: right !important;
    }
    
    .why-block.who .block-content {
        flex-direction: column;
    align-items: center;
        position: relative;
    }
    
    .why-block.who .visual-content {
        order: 1;
        margin-top: 40px;
    }
    
    .why-block.who .text-content {
        display: none;
    }
}

/* 团队动画样式 */
.team-container {
    width: 600px;
    height: 400px;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    border: none !important;
    box-shadow: none !important;
}

/* 团队动画相关元素 */
canvas.team-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.scroll-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 120px;
    overflow: hidden;
    color: #333;
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 16px;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    z-index: 10;
}

.scroll-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    animation: scroll 15s linear infinite;
    transform-style: preserve-3d;
}

.scroll-item {
    height: 40px;
    line-height: 40px;
    opacity: 1;
    position: relative;
    width: 100%;
    text-align: left;
    padding-left: 80px;
    transform: translateZ(0);
}

@keyframes scroll {
    0% { transform: translateY(0); }
    100% { transform: translateY(-200px); }
}

.scroll-text:hover .scroll-box {
    animation-play-state: paused;
}

/* 策略卡片样式优化 */
.strategy-card {
    box-shadow: none !important;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* 通用样式 */
.text-content {
    flex: 1;
    max-width: 500px;
}

.text-content p {
    font-size: 16px;
    line-height: 1.7;
    color: #444;
    margin-bottom: 12px;
    opacity: 0;
    animation: fadeInGeneral 0.5s ease-out forwards;
}

.text-content p:nth-child(1) {
    animation-delay: 0.3s;
}

.text-content p:nth-child(2) {
    animation-delay: 0.5s;
}

.text-content p:nth-child(3) {
    animation-delay: 0.7s;
}

.visual-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 图表容器样式 - 使用固定尺寸 */
.chart-container {
    width: 600px;
    height: 400px;
    position: relative;
    transition: all 0.3s ease;
    margin-top: 15px;
}

/* 饼图容器 */
#pie-chart {
    width: 600px;
    height: 400px;
}

/* 团队网络图容器 */
#team-chart {
    width: 600px;
    height: 400px;
    position: relative;
}

/* 策略卡片容器样式 */
.cards-wrapper {
    display: grid;
    grid-template-rows: repeat(3, 1fr); /* 为3个卡片创建3行 */
    gap: 15px; /* 卡片之间的间距 */
    width: 100%;
    height: 100%;
    align-items: center;
}

/* FAQ部分样式 */
.faq-section {
    padding: 60px 0;
    background: linear-gradient(to bottom, #fff, #f9f9f9);
    position: relative;
}

/* 添加装饰元素 */
.faq-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /*background-image: url('assets/images/pattern.png');  可选：添加轻微的背景纹理 */
    opacity: 0.03;
    pointer-events: none;
}

/* FAQ标题改进 */
.faq-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    padding: 0 80px;
}

/* FAQ标题容器 */
.faq-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

/* 添加标题下的装饰线 */
.faq-title::after {
    content: "";
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #F0B90B, transparent);
    border-radius: 2px;
}

/* 改进问题卡片 */
.faq-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
    padding: 25px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    opacity: 0;
    transform: translateY(20px);
}

.faq-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.faq-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #F0B90B;
}

/* 问题标题 */
.faq-question {
    font-weight: 600;
    color: #333;
    position: relative;
    padding-left: 40px;
    cursor: pointer;
}

/* 基础问题图标样式 */
.faq-question::before {
    content: "Q";
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    background: #f0b90b;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
}

/* 回答样式 */
.faq-answer {
    margin-top: 15px;
    padding-left: 40px;
    position: relative;
    color: #666;
    line-height: 1.6;
    font-family: SimSun, '宋体', serif;
    font-size: 16px; /* 与subtitle保持一致 */
}

/* 添加答案图标 */
.faq-answer::before {
    content: "A";
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    background: #eee;
    color: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
}

/* FAQ切换图标样式 */
.faq-toggle {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #f0b90b;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-card.active .faq-toggle {
    transform: translateY(-50%) rotate(180deg);
    background: #354157;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s ease;
    opacity: 0;
}

.faq-card.active .faq-answer {
    opacity: 1;
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .faq-title {
        font-size: 24px;
    }
    
    /* 在中等屏幕上调整问题图标大小 */
    .faq-question::before {
        width: 24px;
        height: 24px;
        font-size: 14px;
    }

    .faq-answer::before {
        width: 24px;
        height: 24px;
        font-size: 14px;
    }

    .faq-toggle {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-card {
        padding: 20px;
    }
    
    .faq-title {
        font-size: 22px;
        margin-bottom: 30px;
    }
    
    .faq-question {
        padding-left: 30px; /* 减小左侧内边距以适应更小的图标 */
    }

    .faq-answer {
        padding-left: 30px; /* 减小左侧内边距以适应更小的图标 */
    }
    
    /* 在小屏幕上进一步调整问题图标大小 */
    .faq-question::before {
        width: 20px;
        height: 20px;
    }
    
    .faq-answer::before {
        width: 20px;
        height: 20px;
    }

    .faq-toggle {
        width: 20px;
        height: 20px;
    }
}

/* 只在大屏幕特定情况下修改伪元素 */
@media screen and (min-width: 769px) {
    .faq-card {
        /* 保留原有样式 */
        width: 64%; /* 卡片宽度为屏幕宽度的90% */
        max-width: 1200px; /* 设置最大宽度避免在大屏幕上过宽 */
        margin-left: auto;
        margin-right: auto; /* 左右margin自动使卡片居中 */
    }
    .faq-card:not(.active) .faq-question::before {
        /* 只放有变化的样式，不重复基础样式 */
    }
}

/* 在大中屏幕下为.faq-question添加粒子动画伪元素 */
@media screen and (min-width: 769px) {
    .faq-question::after {
        display: none;
    }
    
    /* 新的简单实现：只在非激活状态显示粒子 */
    .faq-card:not(.active) .faq-question::after {
        content: "";
        position: absolute;
        top: 50%;
        right: 80px; /* 调整为距离+按钮10px */
        width: 160px; /* 减少宽度以适应10个粒子 */
        height: 10px; /* 高度区域 */
        transform: translateY(-50%);
        background-image: 
            radial-gradient(circle at center, #F0B90B 0.6px, transparent 1.2px),
            radial-gradient(circle at center, #F0B90B 0.6px, transparent 1.2px),
            radial-gradient(circle at center, #F0B90B 0.7px, transparent 1.4px),
            radial-gradient(circle at center, #F0B90B 0.7px, transparent 1.4px),
            radial-gradient(circle at center, #F0B90B 0.8px, transparent 1.6px),
            radial-gradient(circle at center, #F0B90B 0.8px, transparent 1.6px),
            radial-gradient(circle at center, #F0B90B 0.9px, transparent 1.8px),
            radial-gradient(circle at center, #F0B90B 0.9px, transparent 1.8px),
            radial-gradient(circle at center, #F0B90B 1px, transparent 2px),
            radial-gradient(circle at center, #F0B90B 1px, transparent 2px);
        background-size: 
            4px 4px, 4px 4px, 4px 4px, 4px 4px, 4px 4px,
            4px 4px, 4px 4px, 4px 4px, 4px 4px, 4px 4px;
        background-position:
            calc(0% + 0px) 50%, calc(0% + 12px) 50%, calc(0% + 24px) 50%, calc(0% + 36px) 50%, calc(0% + 48px) 50%,
            calc(0% + 60px) 50%, calc(0% + 72px) 50%, calc(0% + 84px) 50%, calc(0% + 96px) 50%, calc(0% + 108px) 50%;
        background-repeat: no-repeat;
        animation: faqArrow 3s infinite linear;
        pointer-events: none; /* 确保不影响点击 */
        display: block;
        z-index: 5;
    }
    
    /* 添加箭头元素 */
    .faq-card:not(.active) .faq-question::before {
        content: "Q";
        /* 保持原有的Q图标样式 */
    }
    
    /* 为FAQ箭头添加伪元素 */
    .faq-card:not(.active) .faq-toggle::before {
        content: "";
        position: absolute;
        top: 50%;
        right: 50px; /* 位于+按钮左侧 */
        width: 0; 
        height: 0; 
        border-top: 6px solid transparent;
        border-bottom: 6px solid transparent;
        border-left: 10px solid #F0B90B; /* 箭头形状 */
        transform: translateY(-50%);
        opacity: 0;
        animation: arrowAppear 3s infinite linear;
        pointer-events: none;
        z-index: 6;
    }
    
    /* 为每个FAQ卡片设置不同的动画延迟 */
    .faq-card:nth-child(1):not(.active) .faq-question::after,
    .faq-card:nth-child(1):not(.active) .faq-toggle::before {
        animation-delay: 0s;
    }
    
    .faq-card:nth-child(2):not(.active) .faq-question::after,
    .faq-card:nth-child(2):not(.active) .faq-toggle::before {
        animation-delay: 0.6s;
    }
    
    .faq-card:nth-child(3):not(.active) .faq-question::after,
    .faq-card:nth-child(3):not(.active) .faq-toggle::before {
        animation-delay: 1.2s;
    }
    
    .faq-card:nth-child(4):not(.active) .faq-question::after,
    .faq-card:nth-child(4):not(.active) .faq-toggle::before {
        animation-delay: 1.8s;
    }
    
    .faq-card:nth-child(5):not(.active) .faq-question::after,
    .faq-card:nth-child(5):not(.active) .faq-toggle::before {
        animation-delay: 2.4s;
    }
    
    /* 当鼠标悬停时加快动画 */
    .faq-card:not(.active):hover .faq-question::after,
    .faq-card:not(.active):hover .faq-toggle::before {
        animation-duration: 0.8s;
    }
}

/* 定义简单的箭头粒子动画 */
@keyframes faqArrow {
    0% {
        opacity: 0;
        transform: translateY(-50%) translateX(-20px);
    }
    10% {
        opacity: 1;
        transform: translateY(-50%) translateX(-10px);
    }
    85% {
        opacity: 1;
        transform: translateY(-50%) translateX(10px);
    }
    100% {
        opacity: 0;
        transform: translateY(-50%) translateX(20px);
    }
}

/* 箭头动画 */
@keyframes arrowAppear {
    0%, 70% {
        opacity: 0;
    }
    80% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

/* 调整why、who、how部分的间距 */
.why-section {
    padding: 10px 0;
    margin: 0; /* 移除部分之间的外边距 */
}

#why-section, #who-section, #how-section {
    padding-top: 10px;
    padding-bottom: 10px;
    margin-bottom: 0; /* 移除部分之间的外边距 */
}

#why-section .section-container,
#who-section .section-container,
#how-section .section-container {
    padding-top: 5px;
    padding-bottom: 5px;
    min-height: auto;
}

.why-block {
    margin-bottom: 10px;
}

.block-content {
    padding-top: 5px;
    padding-bottom: 5px;
}

/* 调整FAQ部分与how部分的间距 */
.faq-section {
    padding-top: 15px;
}

/* 特别处理相邻部分之间的间距 */
#why-section + #who-section,
#who-section + #how-section {
    margin-top: -10px; /* 使用负边距减少部分之间的间距 */
}

@media (max-width: 1024px) {
    .why-section {
        padding: 5px 0;
    }
    
    #why-section, #who-section, #how-section {
        padding-top: 5px;
        padding-bottom: 5px;
    }
    
    #why-section .section-container,
    #who-section .section-container,
    #how-section .section-container {
        padding-top: 5px;
        padding-bottom: 5px;
    }
    
    .faq-section {
        padding-top: 10px;
    }
    
    /* 特别处理相邻部分之间的间距 */
    #why-section + #who-section,
    #who-section + #how-section {
        margin-top: -8px;
    }
}

@media (max-width: 768px) {
    .why-section {
        padding: 3px 0;
    }
    
    #why-section, #who-section, #how-section {
        padding-top: 3px;
        padding-bottom: 3px;
    }
    
    #why-section .section-container,
    #who-section .section-container,
    #how-section .section-container {
        padding-top: 3px;
        padding-bottom: 3px;
    }
    
    .why-block {
        margin-bottom: 5px;
    }
    
    .block-content {
        padding-top: 2px;
        padding-bottom: 2px;
    }
    
    .faq-section {
        padding-top: 8px;
    }
    
    /* 特别处理相邻部分之间的间距 */
    #why-section + #who-section,
    #who-section + #how-section {
        margin-top: -5px;
    }
}

/* 懒加载图片样式 */
.lazy-image {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.lazy-image.loaded {
    opacity: 1;
}

/* 优化移动端性能 */
@media screen and (max-width: 768px) {
    /* 简化动画效果 */
    .hero-content h1, 
    .hero-content h4,
    .system-content,
    .why-block,
    .faq-card {
        animation-duration: 0.5s;
    }
    
    /* 减少阴影复杂度 */
    .faq-card {
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }
    
    /* 启用滚动动画，但调整为更短的时间 */
    .scroll-text .scroll-box {
        animation: scroll 10s linear infinite;
    }
    
    /* 降低背景图片质量 */
    .hero-section {
        background-size: cover;
        background-position: center;
    }
}

/* 优化图表容器 */
.chart-container {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}



/* 底部样式 */
.footer-section {
    margin-top: 60px;
}

.footer-info {
    width: 100%;
    height: 140px;
    background-color: #efefef;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    box-sizing: border-box;
    padding-left: 240px;
}

.contact-info {
    text-align: left;
}

.contact-info p {
    margin: 8px 0;
    font-size: 14px;
    white-space: nowrap;
    font-family: "Microsoft YaHei", "微软雅黑";
}

.footer-copyright {
    width: 100%;
    height: 50px;
    line-height: 50px;
    background-color: #fff;
    text-align: center;
}

.footer-copyright p {
    margin: 0;
    font-size: 12px;
    color: #666;
}

.footer-copyright a {
    color: #666;
    text-decoration: none;
}

.footer-copyright a:hover {
    text-decoration: underline;
}

/* 小屏幕下footer样式调整和浮动导航栏样式调整 */
@media screen and (max-width: 768px) {
    /* Footer样式调整 */
    .footer-container {
        padding-left: 20px;
        justify-content: flex-start;
    }
    
    .contact-info {
        text-align: left;
    }
    
    /* 浮动导航栏样式调整 */
    .float-nav {
        right: 10px;
        bottom: 10px;
    }
    
    .float-nav-item {
        width: 50px;
        height: 50px;
    }
    
    .float-nav-item .sub-item {
        right: 55px;
    }
    
    .float-nav-item .sub-item img {
        width: 120px;
        height: 120px;
    }
}

/* 浮动导航栏样式 */
.float-nav {
    position: fixed;
    z-index: 999;
    right: 10px;
    bottom: 10px;
}

.float-nav-item {
    position: relative;
    width: 50px;
    height: 50px;
    margin-top: 4px;
    cursor: pointer;
    transition: background-position 1s;
    border-radius: .25rem;
    background: url('../images/float-nav.png') no-repeat;
    background-color: rgba(153, 153, 153, 0.7);
}

.float-nav-item .sub-item {
    position: absolute;
    right: 55px;
    bottom: 0;
    overflow: hidden;
    transition: all 1s;
    transform: scale(0);
    transform-origin: 100% 100%;
    color: #8a8a8a;
    border-radius: .25rem;
    background-color: #fff;
    box-shadow: 1px 1px 5px rgba(3, 3, 3, 0.3);
    opacity: 0;
    filter: alpha(opacity=0);
}

.float-nav-item .sub-item img {
    width: 120px;
    height: 120px;
}

.float-nav-item:hover .sub-item {
    transform: scale(1);
    opacity: 1;
    filter: alpha(opacity=100);
}

.float-nav-item.QRCode {
    background-position: 0 -240px;
}

.float-nav-item.QRCode:hover {
    background-position: 0 -300px;
}

.float-nav-item.gotop {
    background-position: 0 -360px;
    display: none;
}

.float-nav-item.gotop:hover {
    background-position: 0 -420px;
}