/* 头部.css - 简洁圆角设计版 - 增强文字阴影版本 */
.item .content {  
    font-family: "Microsoft YaHei", "微软雅黑", SimHei, "黑体", "PingFang SC", "Hiragino Sans GB", sans-serif;  
}

/* 网站头部样式 */
header {
    position: relative;
    overflow: hidden;
    margin-top: 30px; /* 为固定导航栏留出空间 */
    height: calc(100vh - 250px);
    min-height: 400px;
    max-height: 600px;
}

/* 高级轮播样式 */
.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* ===================== 桌面版轮播 - 简洁圆角设计 ===================== */
.desktop-carousel {
    display: block; /* 默认显示桌面版 */
    width: 100%;
    height: 100%;
    position: relative;
    margin: 0 auto;
    padding: 0;
    border-radius: 0 0 20px 20px; /* 修改：只保留底部圆角 */
    overflow: hidden;
    box-shadow: 0 12px 30px rgb(255, 255, 255);
    background-color: rgb(255, 255, 255);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* 轮播轻微边框 - 使用淡色透明边框 */
.desktop-carousel::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 0 0 18px 18px; /* 修改：只保留底部圆角 */
    z-index: 10;
    pointer-events: none;
}

/* 轮播内容区 */
#slide {  
    width: 100%;  
    height: 100%;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}  

.item {  
    width: 200px;  
    height: 300px;  
    background-position: center center;  
    background-size: cover;
    background-repeat: no-repeat;
    display: inline-block;  
    position: absolute;  
    top: 50%;  
    margin-top: -150px;  
    border-radius: 12px; /* 与内容区域卡片保持一致 */  
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15); /* 统一阴影风格 */  
    transition: all 0.7s cubic-bezier(0.25, 0.1, 0.25, 1);
    opacity: 1;
    transform-origin: center center;
    overflow: hidden;
}  

.item:nth-child(1) {  
    top: 0;  
    left: 0;  
    width: 100%;  
    height: 100%;  
    background-size: cover;  
    background-repeat: no-repeat;  
    background-position: center center;
    margin-top: 0px;  
    border-radius: 8px;  /* 更新边框半径 */  
    box-shadow: none;
}

.item:nth-child(2) {  
    top: 0;  
    left: 0;  
    width: 100%;  
    height: 100%;  
    background-size: cover;  
    background-repeat: no-repeat;  
    background-position: center center;
    margin-top: 0px;  
    border-radius: 8px;  /* 更新边框半径 */  
    box-shadow: none;
}

/* 缩略图位置定义 - 更精确的定位 - 已禁用点击功能但保持不透明 */
.item:nth-child(3) {  
    left: 60%;  
    transform: translateZ(0) scale(1);
    opacity: 1; /* 保持完全不透明 */
    z-index: 5;
    pointer-events: none; /* 禁用鼠标事件 */
    cursor: default; /* 默认鼠标指针 */
}  

.item:nth-child(4) {  
    left: calc(60% + 220px);  
    transform: translateZ(0) scale(0.95);
    opacity: 1; /* 保持完全不透明 */
    z-index: 4;
    pointer-events: none; /* 禁用鼠标事件 */
    cursor: default; /* 默认鼠标指针 */
}  

.item:nth-child(5) {  
    left: calc(60% + 440px);  
    transform: translateZ(0) scale(0.9);
    opacity: 1; /* 保持完全不透明 */
    z-index: 3;
    pointer-events: none; /* 禁用鼠标事件 */
    cursor: default; /* 默认鼠标指针 */
}

/* 添加第6个位置的可见过渡 */
.item:nth-child(6) {
    left: calc(60% + 660px);
    transform: translateZ(0) scale(0.85);
    opacity: 1; /* 保持完全不透明 */
    z-index: 2;
    pointer-events: none; /* 禁用鼠标事件 */
    cursor: default; /* 默认鼠标指针 */
}

/* 将额外元素放在视野之外，但准备好过渡进来 */
.item:nth-child(n+7) {
    left: calc(60% + 880px);
    transform: translateZ(0) scale(0.8);
    opacity: 0.3;
    z-index: 1;
    pointer-events: none; /* 禁用鼠标事件 */
    cursor: default; /* 默认鼠标指针 */
}

.item .content {  
    width: 40%;  
    max-width: 450px;
    position: absolute;  
    left: 10%;  
    top: 48%;  
    transform: translateY(-50%);  
    font-family: "Microsoft YaHei", "微软雅黑", SimHei, "黑体", "PingFang SC", "Hiragino Sans GB", sans-serif;
    color: #ffffff;
    /* 增强文字阴影效果 - 确保在任何背景下都清晰可见 */
    text-shadow: 
        0 3px 12px rgba(0, 0, 0, 0.95),
        0 6px 24px rgba(0, 0, 0, 0.8),
        0 12px 48px rgba(0, 0, 0, 0.6),
        0 0 6px rgba(0, 0, 0, 1);
    display: none;  
}  

.item .content button {  
    border-radius: 30px;
    background: linear-gradient(45deg, #6a11cb, #2575fc); /* 使用网站主色调 */
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: none;
    padding: 12px 28px;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    /* 移除按钮文字的阴影效果 */
    text-shadow: none;
}  

.item .content button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

/* 链接按钮样式 */
.item .content .btn-detail {  
    display: inline-block;
    text-decoration: none;
    border-radius: 30px;
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: none;
    padding: 12px 28px;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-align: center;
    opacity: 0;  
    animation: showcontent 1s ease-in-out 0.6s 1 forwards;
    /* 移除按钮文字的阴影效果 */
    text-shadow: none;
}  

.item .content .btn-detail:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.item:nth-child(2) .content {  
    display: block;  
}  

.item .name {  
    font-size: 2.5rem;  
    font-weight: bold;  
    opacity: 0;  
    animation: showcontent 1s ease-in-out 1 forwards;
    margin-bottom: 10px;
    /* 标题文字轻量阴影效果 */
    text-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.6),
        0 4px 16px rgba(0, 0, 0, 0.4),
        0 0 4px rgba(0, 0, 0, 0.7);
}  

.item .des {  
    margin: 20px 0;  
    opacity: 0;  
    animation: showcontent 1s ease-in-out 0.3s 1 forwards;  
    font-size: 1.2rem;
    line-height: 1.5;
    /* 描述文字增强阴影效果 */
    text-shadow: 
        0 3px 12px rgba(0, 0, 0, 0.95),
        0 6px 24px rgba(0, 0, 0, 0.8),
        0 12px 40px rgba(0, 0, 0, 0.6),
        0 0 6px rgba(0, 0, 0, 1);
}  

.item button {  
    padding: 12px 25px;  
    border: none;  
    opacity: 0;  
    animation: showcontent 1s ease-in-out 0.6s 1 forwards;  
    font-size: 1rem;
    /* 移除按钮文字的阴影效果 */
    text-shadow: none;
}  

@keyframes showcontent {  
    from {  
        opacity: 0;  
        transform: translateY(100px);  
        filter: blur(20px);  
    }  

    to {  
        opacity: 1;  
        transform: translateY(0);  
        filter: blur(0);  
    }  
}  

/* 导航按钮样式 */
.buttons {  
    position: absolute;  
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: space-between;
    width: 150px;
    z-index: 100;
}  

.s_button {  
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;  
    height: 60px;  
    color: #333;  
    background-color: rgba(255, 255, 255, 0.8);  
    font-size: 22px;  
    border-radius: 50%;  
    font-weight: bold;  
    border: none;  
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);  
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: none; /* 防止文本选择 */
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}  

.s_button:hover {  
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
}

/* 自定义箭头样式 */
.arrow-left, .arrow-right {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-style: solid;
    border-color: currentColor;
    border-width: 0 0 3px 3px;
    position: relative;
}

.arrow-left {
    transform: rotate(45deg);
    margin-right: 3px;
}

.arrow-right {
    transform: rotate(225deg);
    margin-left: 3px;
}

/* 禁用小图的hover效果 - 完全移除悬停效果 */
/* 
.item:nth-child(n+3):hover {
    transform: translateY(-10px) scale(1.05) translateZ(0);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    z-index: 10;
    border: 2px solid rgba(255, 255, 255, 0.2);
}
*/

/* 为轮播添加硬件加速，提高性能 */
#slide, .item {
    will-change: transform;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* ===================== 移动端轮播样式（保持不变） ===================== */
.mobile-carousel {
    display: none; /* 默认隐藏移动版 */
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.mobile-slider {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.33, 1, 0.68, 1);
}

.mobile-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    position: relative;
    opacity: 0.4;
    transform: scale(0.85);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.33, 1, 0.68, 1);
}

/* 当前激活的幻灯片 */
.mobile-slide.active {
    opacity: 1;
    transform: scale(1);
}

.mobile-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    padding: 20px;
    color: white;
    text-align: center;
    /* 移动版内容区域增强阴影效果 */
    text-shadow: 
        0 3px 12px rgba(0, 0, 0, 0.95),
        0 6px 24px rgba(0, 0, 0, 0.8),
        0 12px 48px rgba(0, 0, 0, 0.6),
        0 0 6px rgba(0, 0, 0, 1);
}

.mobile-title {
    font-size: 1.6rem;
    margin-bottom: 12px;
    font-weight: bold;
    /* 移动版标题轻量阴影效果 */
    text-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.6),
        0 4px 16px rgba(0, 0, 0, 0.4),
        0 0 4px rgba(0, 0, 0, 0.7);
}

.mobile-description {
    font-size: 1rem;
    margin-bottom: 22px;
    line-height: 1.5;
    /* 移动版描述增强阴影效果 */
    text-shadow: 
        0 3px 12px rgba(0, 0, 0, 0.95),
        0 6px 24px rgba(0, 0, 0, 0.8),
        0 12px 40px rgba(0, 0, 0, 0.6),
        0 0 6px rgba(0, 0, 0, 1);
}

.mobile-button {
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    color: white;
    border: none;
    padding: 10px 22px;
    border-radius: 30px;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    margin-bottom: 5px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    /* 移除按钮文字的阴影效果 */
    text-shadow: none;
}

/* 移动版链接按钮样式 */
a.mobile-button {
    display: inline-block;
    text-decoration: none;
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    color: white;
    border: none;
    padding: 10px 22px;
    border-radius: 30px;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    margin-bottom: 5px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    /* 移除按钮文字的阴影效果 */
    text-shadow: none;
}

.mobile-button:active,
a.mobile-button:active {
    transform: scale(0.95);
    background: linear-gradient(45deg, #5910b0, #1e65da);
}

.mobile-indicators {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 10px 0;
    z-index: 10;
}

.mobile-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    transition: all 0.5s cubic-bezier(0.33, 1, 0.68, 1);
    cursor: pointer;
}

.mobile-dot.active {
    background-color: white;
    width: 24px;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

/* 新的导航按钮样式 - 开始 */
.mobile-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    width: 100%;
    padding: 0;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 15;
}

/* 按钮位置调整 */
.mobile-nav-button.prev {
    margin-left: 15px;
}

.mobile-nav-button.next {
    margin-right: 15px;
}

/* 导航按钮基础样式 */
.mobile-nav-button {
    width: 44px;
    height: 44px;
    background-color: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.18);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    border: none;
}

/* 简洁的点击效果 - 直接变色 */
.mobile-nav-button:active {
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(106, 17, 203, 0.4);
}

/* 放大的箭头图标 - 左按钮 */
.mobile-nav-button.prev::after {
    content: '';
    display: block;
    width: 14px;
    height: 22px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='15 18 9 12 15 6'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: all 0.2s ease;
}

/* 放大的箭头图标 - 右按钮 */
.mobile-nav-button.next::after {
    content: '';
    display: block;
    width: 14px;
    height: 22px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: all 0.2s ease;
}

/* 点击时箭头变白色 */
.mobile-nav-button.prev:active::after,
.mobile-nav-button.next:active::after {
    filter: brightness(0) invert(1); /* 简单地将任何颜色转为白色 */
}

/* 悬停效果 */
.mobile-nav-button:hover {
    background-color: #ffffff;
    box-shadow: 0 6px 16px rgba(0,0,0,0.25);
    transform: translateY(-2px);
}
/* 新的导航按钮样式 - 结束 */

/* 当前活动内容的动画 */
@keyframes fadeInContent {
    from { 
        opacity: 0;
        transform: translate(-50%, -40%);
        filter: blur(5px);
    }
    to { 
        opacity: 1;
        transform: translate(-50%, -50%);
        filter: blur(0);
    }
}

/* 非活动内容的样式 */
.mobile-slide:not(.active) .mobile-content {
    opacity: 0;
    transform: translate(-50%, -40%);
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

/* 活动内容的样式 */
.mobile-slide.active .mobile-content {
    animation: fadeInContent 0.7s ease-out 0.15s forwards;
}

/* 响应式调整 */
@media (max-width: 1024px) {
    header {
        height: calc(85vh - 200px);
    }
    
    .item .name {
        font-size: 2rem;
        /* 平板设备标题轻量阴影效果 */
        text-shadow: 
            0 2px 6px rgba(0, 0, 0, 0.6),
            0 4px 12px rgba(0, 0, 0, 0.4),
            0 0 3px rgba(0, 0, 0, 0.7);
    }
    
    .item .des {
        font-size: 1rem;
        text-shadow: 
            0 2px 10px rgba(0, 0, 0, 0.95),
            0 4px 20px rgba(0, 0, 0, 0.8),
            0 0 5px rgba(0, 0, 0, 1);
    }
    
    .item:nth-child(3) {
        left: 65%;
        transform: translateZ(0) scale(0.9);
    }
    
    .item:nth-child(4) {
        left: calc(65% + 180px);
        transform: translateZ(0) scale(0.85);
    }
    
    .item:nth-child(5) {
        left: calc(65% + 350px);
        transform: translateZ(0) scale(0.8);
    }
    
    .item:nth-child(6), .item:nth-child(n+6) {
        left: calc(65% + 510px);
        opacity: 0.3;
    }
    
    .s_button {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    header {
        height: 50vh;
        min-height: 300px;
    }
    
    /* 隐藏桌面版轮播，显示移动版轮播 */
    .desktop-carousel {
        display: none;
    }
    
    .mobile-carousel {
        display: block;
    }
    
    /* 针对小屏幕手机优化内容大小 */
    .mobile-content {
        width: 85%;
        padding: 20px;
    }
    
    .mobile-title {
        font-size: 1.5rem;
        /* 手机设备标题轻量阴影效果 */
        text-shadow: 
            0 2px 6px rgba(0, 0, 0, 0.6),
            0 4px 12px rgba(0, 0, 0, 0.4),
            0 0 3px rgba(0, 0, 0, 0.7);
    }
    
    .mobile-description {
        /* 手机设备描述文字阴影 */
        text-shadow: 
            0 2px 10px rgba(0, 0, 0, 0.95),
            0 4px 20px rgba(0, 0, 0, 0.8),
            0 0 5px rgba(0, 0, 0, 1);
    }
    
    /* 适应小屏幕的导航按钮样式 */
    .mobile-nav-button {
        width: 40px;
        height: 40px;
    }
    
    .mobile-nav-button.prev {
        margin-left: 10px;
    }
    
    .mobile-nav-button.next {
        margin-right: 10px;
    }
    
    .mobile-nav-button.prev::after,
    .mobile-nav-button.next::after {
        width: 12px;
        height: 18px;
    }
    
    .item .content {
        width: 75%;
        left: 5%;
        top: 45%;
    }
    
    .item .name {
        font-size: 1.8rem;
        text-shadow: 
            0 1px 6px rgba(0, 0, 0, 0.6),
            0 3px 12px rgba(0, 0, 0, 0.4),
            0 0 3px rgba(0, 0, 0, 0.7);
    }
    
    .item .des {
        font-size: 1rem;
        margin: 15px 0;
        text-shadow: 
            0 2px 8px rgba(0, 0, 0, 0.95),
            0 4px 16px rgba(0, 0, 0, 0.8),
            0 0 4px rgba(0, 0, 0, 1);
    }
    
    .item button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .s_button {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .buttons {
        width: 110px;
        bottom: 8%;
    }
    
    .item:nth-child(3) {
        left: auto;
        right: 5%;
        width: 150px;
        height: 225px;
        margin-top: -112.5px;
        transform: translateZ(0) scale(1);
    }
    
    .item:nth-child(4), .item:nth-child(5), .item:nth-child(n+6) {
        display: none;
    }
}

/* 更小屏幕的额外优化 */
@media (max-width: 480px) {
    .mobile-title {
        font-size: 1.3rem;
        text-shadow: 
            0 1px 6px rgba(0, 0, 0, 0.6),
            0 3px 12px rgba(0, 0, 0, 0.4),
            0 0 3px rgba(0, 0, 0, 0.7);
    }
    
    .mobile-description {
        font-size: 0.9rem;
        text-shadow: 
            0 2px 8px rgba(0, 0, 0, 0.95),
            0 4px 16px rgba(0, 0, 0, 0.8),
            0 0 4px rgba(0, 0, 0, 1);
    }
    
    .mobile-button {
        padding: 8px 18px;
        font-size: 0.85rem;
    }
    
    /* 极小屏幕的导航按钮样式 */
    .mobile-nav-button {
        width: 36px;
        height: 36px;
    }
    
    .mobile-nav-button.prev {
        margin-left: 8px;
    }
    
    .mobile-nav-button.next {
        margin-right: 8px;
    }
    
    .mobile-nav-button.prev::after,
    .mobile-nav-button.next::after {
        width: 10px;
        height: 16px;
    }
}