* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Segoe UI", Arial, sans-serif;
    overflow-x: hidden;
    background-color: #000;
    color: #ffffff;
}

/*#citySel {
    background-color: rgba(211, 211, 211, 0.2);
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
}*/

#fixedButton {
    width: 70px;
    position: fixed;
    bottom: 10px;
    right: 20px;
    background-color: #1c12ad;
    color: white;
    padding: 15px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
}
.backTop {
    display: none; /* 默认不显示按钮 */
}

.tekup-footer-bottom {
    padding: 20px 0;
    border-top: 1px solid white;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

:root {
    --primary: #0F1A2F;
    --accent: #00F3FF;
    --highlight: #FF6B35;
    --neon: #7DF9FF;
}

/* 粒子背景 */
#particles {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none
}

/* 主要内容区域 */
.main-container {
    margin-bottom: 20px;
}

/* 修改左侧导航样式 - 按照iframe.html样式 */
.side-navigation {
    width: 60px;
    position: fixed;
    left: 8%;
    top: 50%;
    transform: translateY(-50%);
    height: auto;
    background: transparent;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    justify-content: center;
    z-index: 900;
}

.nav-btn {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn.active {
    background: #4fc3f7;
    transform: scale(1.2);
}

.nav-btn:hover {
    background: white;
    transform: scale(1.3);
}

.nav-btn:hover::before {
    content: attr(data-title);
    position: absolute;
    left: 25px;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 8;
}

.nav-btn.active:hover {
    background: #4fc3f7;
    color: white;
}

.nav-btn.active:hover::before {
    background: #022b52;
    color: white;
}

/* 幻灯片内容区域 */
.slides-content {
    /*padding: 0;*/
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.slide-section {
    width: 100%;
    height: calc(100vh - 150px); /* 修改为100vh确保每页高度为视口高度 */
    position: relative;
    background: linear-gradient(135deg, rgba(0, 32, 96, 0.95), rgba(0, 64, 64, 0.95));
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px 70px;
    text-align: center;
    overflow: hidden; /* 防止内容溢出 */
    scroll-margin-top: 120px; /* 根据header高度调整这个值 */
}

.slide-background {
    position: absolute;
    top: 150px;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: -1;
}

.slide-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #E1F5FE;
    position: relative;
    display: inline-block;
}

.slide-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #4FC3F7, #81C784);
    border-radius: 2px;
}

.slide-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    justify-content: center; /* 确保内容垂直居中 */
}

.tech-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: -1;
}

.tech-circle {
    position: absolute;
    border: 1px solid rgba(79, 195, 247, 0.2);
    border-radius: 50%;
}

.tech-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, rgba(79, 195, 247, 0.3), transparent);
    height: 1px;
}

/* 幻灯片css ---- start */
.slide-1 {
    width: 100%;
    height: 100vh;
    position: relative;

    .slide {
        width: 100%;
        max-width: 1280px;
        height: 720px;
        position: relative;
        background-size: cover;
        background-position: center;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
    }

    .content {
        position: relative;
        z-index: 2;
        text-align: center;
        padding: 0 100px;
        width: 100%;
    }

    .title {
        /*font-size: 64px;*/
        font-weight: 700;
        margin-bottom: 20px;
        background: linear-gradient(90deg, #ffffff, #a5b4fc);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        text-shadow: 0px 2px 10px rgba(0, 0, 0, 0.2);
    }

    .subtitle {
        font-size: 28px;
        font-weight: 500;
        margin-bottom: 40px;
        color: #e0e7ff;
    }

    .tagline {
        font-size: 20px;
        font-weight: 400;
        padding: 10px 30px;
        background-color: rgba(255, 255, 255, 0.15);
        border-radius: 30px;
        display: inline-block;
        margin-top: 20px;
        color: #ffffff;
    }

    .footer {
        position: absolute;
        bottom: 40px;
        left: 0;
        width: 100%;
        display: flex;
        justify-content: center;
        z-index: 2;
    }

    .company-info {
        display: flex;
        align-items: center;
        color: #e0e7ff;
        font-size: 16px;
    }

    .logo-placeholder {
        width: 40px;
        height: 40px;
        background-color: rgba(255, 255, 255, 0.2);
        border-radius: 8px;
        margin-right: 15px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .contact-info {
        margin-left: 30px;
        display: flex;
        align-items: center;
    }

    .contact-info i {
        margin-right: 8px;
        font-size: 18px;
    }
}

.slide-2 {
    width: 100%;
    height: 100vh;
    position: relative;

    .slide {
        width: 100%;
        max-width: 1280px;
        min-height: 720px;
        position: relative;
        color: white;
        display: flex;
        flex-direction: column;
    }

    .header {
        padding: 10px 70px 10px;
    }

    .title {
        /*font-size: 40px;*/
        font-weight: 700;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }

    .title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 80px;
        height: 4px;
        background: linear-gradient(90deg, #a5b4fc, #6366f1);
        border-radius: 2px;
    }

    .content {
        flex-grow: 1;
        display: flex;
        padding: 0 70px 50px;
    }

    .toc-container {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .toc-item {
        display: flex;
        align-items: center;
        margin-bottom: 28px;
        position: relative;
        transition: transform 0.3s;
    }

    .toc-item:hover {
        transform: translateX(10px);
    }

    .toc-number {
        width: 50px;
        height: 50px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        font-weight: 700;
        margin-right: 20px;
        color: #a5b4fc;
        border: 2px solid rgba(165, 180, 252, 0.3);
    }

    .toc-text {
        font-size: 22px;
        font-weight: 500;
        color: #e0e7ff;
    }

    .toc-icon {
        margin-left: 15px;
        color: #a5b4fc;
    }

    .decoration {
        position: absolute;
        right: 70px;
        top: 50%;
        transform: translateY(-50%);
        width: 280px;
        height: 280px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(165, 180, 252, 0.1) 0%, rgba(99, 102, 241, 0.05) 70%, transparent 100%);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .decoration-inner {
        width: 200px;
        height: 200px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(165, 180, 252, 0.15) 0%, rgba(99, 102, 241, 0.08) 70%, transparent 100%);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .decoration-core {
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(165, 180, 252, 0.2) 0%, rgba(99, 102, 241, 0.1) 70%, transparent 100%);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .decoration-icon {
        font-size: 48px;
        color: #a5b4fc;
    }
}

.slide-3 {
    width: 100%;
    position: relative;
    height: auto;

    .slide {
        width: 100%;
        max-width: 1280px;
        min-height: 720px;
        position: relative;
        color: white;
        display: flex;
        flex-direction: column;
    }

    .header {
        padding: 10px 70px 10px;
    }

    .title {
        /*font-size: 40px;*/
        font-weight: 700;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }

    .title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 80px;
        height: 4px;
        background: linear-gradient(90deg, #a5b4fc, #6366f1);
        border-radius: 2px;
    }

    .content {
        display: flex;
        padding: 0 70px 50px;
    }

    .column {
        flex: 1;
        display: flex;
        flex-direction: column;
        position: relative;
    }

    .column-left {
        padding-right: 40px;
        border-right: 1px solid rgba(255, 255, 255, 0.1);
    }

    .column-right {
        padding-left: 40px;
    }

    .section-title {
        font-size: 24px;
        font-weight: 600;
        margin-bottom: 30px;
        color: #a5b4fc;
        display: flex;
        align-items: center;
    }

    .section-title .material-icons {
        margin-right: 10px;
        font-size: 28px;
    }

    .item {
        display: flex;
        align-items: flex-start;
        margin-bottom: 25px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 12px;
        padding: 16px;
        max-width: 500px; /* 设置最大宽度 */
        transition: transform 0.3s, background 0.3s;
    }

    .item:hover {
        transform: translateX(5px);
        background: rgba(255, 255, 255, 0.08);
    }

    .item-icon {
        background: rgba(165, 180, 252, 0.15);
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 15px;
        flex-shrink: 0;
    }

    .item-icon .material-icons {
        font-size: 22px;
        color: #a5b4fc;
    }

    .item-content {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .item-title {
        text-align: left;
        font-size: 18px; /* 初始字体大小 */
        font-weight: 500;
        margin-bottom: 5px;
        color: #e0e7ff;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .item-desc {
        text-align: left;
        font-size: 16px;
        color: rgba(224, 231, 255, 0.7);
        line-height: 1.5;
    }

    .highlight {
        color: #fbbf24;
        font-weight: 500;
    }

    .image-container {
        position: absolute;
        bottom: 0;
        right: 0;
        width: 200px;
        height: 200px;
        opacity: 0.15;
        z-index: 0;
    }

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

}

.slide-4 {
    width: 100%;
    position: relative;
    height: auto;

    .slide {
        width: 100%;
        max-width: 1280px;
        min-height: 720px;
        position: relative;
        color: white;
        display: flex;
        flex-direction: column;
    }

    .header {
        padding: 10px 70px 10px;
    }

    .title {
        /*font-size: 40px;*/
        font-weight: 700;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }

    .title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 80px;
        height: 4px;
        background: linear-gradient(90deg, #a5b4fc, #6366f1);
        border-radius: 2px;
    }

    .content {
        flex-grow: 1;
        display: flex;
        padding: 0 70px 50px;
    }

    .main-content {
        flex: 2;
        display: flex;
        flex-direction: column;
    }

    .side-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        padding-left: 40px;
    }

    .architecture {
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
        padding: 30px;
        margin-bottom: 30px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        position: relative;
        overflow: hidden;
    }

    .architecture-title {
        font-size: 24px;
        font-weight: 600;
        margin-bottom: 20px;
        color: #a5b4fc;
        display: flex;
        align-items: center;
    }

    .architecture-title .material-icons {
        margin-right: 10px;
        font-size: 28px;
    }

    .architecture-diagram {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        flex-grow: 1;
        position: relative;
    }

    .data-platform {
        background: rgba(165, 180, 252, 0.2);
        border: 2px solid rgba(165, 180, 252, 0.5);
        border-radius: 12px;
        padding: 20px 40px;
        text-align: center;
        margin-bottom: 30px;
        position: relative;
        z-index: 2;
        width: 80%;
    }

    .data-platform-title {
        font-size: 22px;
        font-weight: 600;
        margin-bottom: 10px;
        color: #e0e7ff;
    }

    .data-platform-desc {
        font-size: 16px;
        color: rgba(224, 231, 255, 0.8);
    }

    .business-systems {
        display: flex;
        justify-content: space-between;
        width: 100%;
        position: relative;
        z-index: 2;
    }

    .business-system {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        padding: 15px;
        width: 30%;
        text-align: center;
        transition: transform 0.3s, background 0.3s;
    }

    .business-system:hover {
        transform: translateY(-5px);
        background: rgba(255, 255, 255, 0.15);
    }

    .business-system-title {
        font-size: 16px;
        font-weight: 500;
        margin-bottom: 5px;
        color: #e0e7ff;
    }

    .business-system-desc {
        font-size: 14px;
        color: rgba(224, 231, 255, 0.7);
    }

    .implementation {
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
        padding: 20px;
        display: flex;
        align-items: center;
    }

    .implementation-icon {
        background: rgba(165, 180, 252, 0.15);
        width: 50px;
        height: 50px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 20px;
        flex-shrink: 0;
    }

    .implementation-icon .material-icons {
        font-size: 28px;
        color: #a5b4fc;
    }

    .implementation-content {
        flex-grow: 1;
    }

    .implementation-title {
        font-size: 20px;
        font-weight: 500;
        margin-bottom: 5px;
        color: #e0e7ff;
    }

    .implementation-desc {
        text-align: left;
        font-size: 16px;
        color: rgba(224, 231, 255, 0.8);
    }

    .highlight {
        color: #fbbf24;
        font-weight: 500;
    }

    .coverage {
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
        padding: 20px;
        margin-bottom: 20px;
        flex-grow: 1;
    }

    .coverage-title {
        font-size: 22px;
        font-weight: 600;
        margin-bottom: 20px;
        color: #a5b4fc;
        display: flex;
        align-items: center;
    }

    .coverage-title .material-icons {
        margin-right: 10px;
        font-size: 26px;
    }

    .coverage-item {
        display: flex;
        align-items: center;
        margin-bottom: 20px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 12px;
        padding: 15px;
        transition: transform 0.3s;
    }

    .coverage-item:hover {
        transform: translateX(5px);
    }

    .coverage-icon {
        background: rgba(165, 180, 252, 0.15);
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 15px;
        flex-shrink: 0;
    }

    .coverage-icon .material-icons {
        font-size: 22px;
        color: #a5b4fc;
    }

    .coverage-text {
        font-size: 18px;
        font-weight: 500;
        color: #e0e7ff;
    }

    .image-container {
        position: absolute;
        bottom: 20px;
        right: 20px;
        width: 120px;
        height: 120px;
        opacity: 0.2;
        z-index: 1;
    }

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

    .connector {
        position: absolute;
        top: 40%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 60%;
        height: 2px;
        background: rgba(165, 180, 252, 0.3);
        z-index: 1;
    }
}


.slide-5 {
    width: 100%;
    height: auto;
    min-height: 100vh;
    position: relative;

    .slide {
        width: 100%;
        max-width: 1280px;
        min-height: 720px;
        height: auto;
        position: relative;
        color: white;
        display: flex;
        flex-direction: column;
    }

    .header {
        padding: 40px 70px 20px;
    }

    .title {
        /*font-size: 40px;*/
        font-weight: 700;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }

    .title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 80px;
        height: 4px;
        background: linear-gradient(90deg, #a5b4fc, #6366f1);
        border-radius: 2px;
    }

    .content {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        padding: 0 70px 40px;
    }

    .systems-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        flex-grow: 1;
    }

    .system-category {
        flex: 1 1 calc(33.333% - 20px);
        min-width: 360px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
        padding: 20px;
        display: flex;
        flex-direction: column;
        transition: transform 0.3s;
    }

    .system-category:hover {
        transform: translateY(-5px);
        background: rgba(255, 255, 255, 0.08);
    }

    .category-header {
        display: flex;
        align-items: center;
        margin-bottom: 15px;
        padding-bottom: 10px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .category-icon {
        background: rgba(165, 180, 252, 0.15);
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 15px;
    }

    .category-icon .material-icons {
        font-size: 22px;
        color: #a5b4fc;
    }

    .category-title {
        font-size: 22px;
        font-weight: 600;
        color: #a5b4fc;
    }

    .system-list {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .system-item {
        display: flex;
        align-items: flex-start;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 10px;
        padding: 12px;
        transition: background 0.3s;
    }

    .system-item:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .system-icon {
        margin-right: 12px;
        color: #e0e7ff;
        font-size: 20px;
    }

    .system-content {
        flex-grow: 1;
    }

    .system-name {
        font-size: 18px;
        font-weight: 500;
        color: #e0e7ff;
        margin-bottom: 5px;
    }

    .system-desc {
        display: inline-block; /* 设置为inline-block以适应文本行数变化 */
        font-size: 14px;
        color: rgba(224, 231, 255, 0.7);
        vertical-align: middle; /* 单行文本居中对齐 */
        text-align: left; /* 多行文本左对齐 */
        white-space: pre-wrap; /* 保留空白符序列，但是正常换行 */
        word-break: break-word; /* 允许长单词换行 */
    }

    .tags {
        display: flex;
        gap: 8px;
        margin-top: 8px;
    }

    .tag {
        font-size: 12px;
        padding: 3px 8px;
        border-radius: 12px;
        background: rgba(165, 180, 252, 0.15);
        color: #a5b4fc;
        display: flex;
        align-items: center;
    }

    .tag .material-icons {
        font-size: 12px;
        margin-right: 3px;
    }

    .tag.source {
        background: rgba(34, 197, 94, 0.15);
        color: #22c55e;
    }

    .tag.universal {
        background: rgba(59, 130, 246, 0.15);
        color: #3b82f6;
    }

    .tag.design {
        background: rgba(251, 191, 36, 0.15);
        color: #fbbf24;
    }

    .tag.ai {
        background: rgba(239, 68, 68, 0.15);
        color: #ef4444;
    }

    .image-container {
        position: absolute;
        bottom: 20px;
        right: 20px;
        width: 120px;
        height: 120px;
        opacity: 0.1;
        z-index: 0;
    }

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

.slide-6 {
    width: 100%;
    height: auto;
    min-height: 100vh;
    position: relative;

    .slide {
        width: 100%;
        max-width: 1280px;
        min-height: 720px;
        height: auto;
        position: relative;
        color: white;
        display: flex;
        flex-direction: column;
    }

    .header {
        padding: 10px 70px 10px;
    }

    .title {
        /*font-size: 40px;*/
        font-weight: 700;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }

    .title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 80px;
        height: 4px;
        background: linear-gradient(90deg, #a5b4fc, #6366f1);
        border-radius: 2px;
    }

    .content {
        flex-grow: 1;
        display: flex;
        padding: 0 70px 50px;
    }

    .left-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        padding-right: 40px;
    }

    .right-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        padding-left: 40px;
    }

    .system-name {
        text-align: left;
        font-size: 21px;
        font-weight: 600;
        margin-bottom: 30px;
        color: #a5b4fc;
        display: flex;
        align-items: flex-start; /* 确保图标和文字的基线对齐 */
        line-height: 1.2; /* 调整行高以确保对齐 */
    }

    .system-name .material-icons {
        margin-right: 15px;
        font-size: 32px;
        vertical-align: text-bottom; /* 确保图标底部与文字基线对齐 */
    }

    .feature-list {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .feature-item {
        display: flex;
        align-items: flex-start;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 12px;
        padding: 20px;
        transition: transform 0.3s, background 0.3s;
    }

    .feature-item:hover {
        transform: translateX(10px);
        background: rgba(255, 255, 255, 0.08);
    }

    .feature-icon {
        background: rgba(165, 180, 252, 0.15);
        width: 50px;
        height: 50px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 20px;
        flex-shrink: 0;
    }

    .feature-icon .material-icons {
        font-size: 28px;
        color: #a5b4fc;
    }

    .feature-content {
        flex-grow: 1;
    }

    .feature-title {
        font-size: 22px;
        font-weight: 500;
        margin-bottom: 8px;
        color: #e0e7ff;
    }

    .feature-desc {
        text-align: left;
        font-size: 18px;
        color: rgba(224, 231, 255, 0.8);
        line-height: 1.4;
    }

    .value-container {
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
        padding: 30px;
        height: 100%;
        display: flex;
        flex-direction: column;
        position: relative;
        overflow: hidden;
    }

    .value-title {
        font-size: 28px;
        font-weight: 600;
        margin-bottom: 30px;
        color: #a5b4fc;
        display: flex;
        align-items: center;
    }

    .value-title .material-icons {
        margin-right: 15px;
        font-size: 32px;
    }

    .value-content {
        text-align: left;
        font-size: 24px;
        font-weight: 500;
        color: #e0e7ff;
        line-height: 1.5;
        margin-bottom: 30px;
    }

    .highlight {
        color: #fbbf24;
        font-weight: 600;
        font-size: 28px;
    }

    .dashboard-image {
        flex-grow: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        border-radius: 12px;
        overflow: hidden;
        margin-top: 20px;
    }

    .dashboard-image img {
        width: 100%;
        height: auto;
        border-radius: 12px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }

    .dashboard-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(0deg, rgba(25, 32, 72, 0.6) 0%, rgba(25, 32, 72, 0) 50%);
        border-radius: 12px;
    }

    .key-metrics {
        display: flex;
        justify-content: space-between;
        margin-top: 30px;
    }

    .metric {
        background: rgba(165, 180, 252, 0.1);
        border-radius: 12px;
        padding: 15px;
        text-align: center;
        flex: 1;
        margin: 0 10px;
    }

    .metric:first-child {
        margin-left: 0;
    }

    .metric:last-child {
        margin-right: 0;
    }

    .metric-value {
        font-size: 32px;
        font-weight: 700;
        color: #fbbf24;
        margin-bottom: 5px;
    }

    .metric-label {
        font-size: 16px;
        color: rgba(224, 231, 255, 0.8);
    }
}

.slide-7 {
    width: 100%;
    height: auto;
    min-height: 100vh;
    position: relative;

    .slide {
        width: 100%;
        max-width: 1280px;
        min-height: 720px;
        height: auto;
        position: relative;
        color: white;
        display: flex;
        flex-direction: column;
    }

    .header {
        padding: 10px 70px 10px;
    }

    .title {
        /*font-size: 40px;*/
        font-weight: 700;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }

    .title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 80px;
        height: 4px;
        background: linear-gradient(90deg, #a5b4fc, #6366f1);
        border-radius: 2px;
    }

    .content {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        padding: 0 70px 50px;
    }

    .advantages-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 30px;
        flex-grow: 1;
    }

    .advantage-card {
        flex: 1 1 calc(33.333% - 20px);
        min-width: 350px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
        padding: 10px 30px;
        display: flex;
        flex-direction: column;
        transition: transform 0.3s, background 0.3s;
        position: relative;
        overflow: hidden;
    }

    .advantage-card:hover {
        transform: translateY(-5px);
        background: rgba(255, 255, 255, 0.08);
    }

    .advantage-icon {
        background: rgba(165, 180, 252, 0.15);
        width: 70px;
        height: 70px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 30px;
        /*margin-bottom: 20px;*/
    }

    .advantage-icon .material-icons {
        font-size: 36px;
        color: #a5b4fc;
    }

    .advantage-title {
        font-size: 24px;
        font-weight: 600;
        margin-bottom: 15px;
        color: #e0e7ff;
    }

    .advantage-desc {
        text-align: left;
        font-size: 18px;
        color: rgba(224, 231, 255, 0.8);
        line-height: 1.5;
    }

    .highlight {
        color: #fbbf24;
        font-weight: 500;
    }

    .decoration {
        position: absolute;
        bottom: -20px;
        right: -20px;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(165, 180, 252, 0.1) 0%, rgba(99, 102, 241, 0.05) 70%, transparent 100%);
        z-index: 0;
    }

    .value-banner {
        background: rgba(165, 180, 252, 0.1);
        border-radius: 16px;
        padding: 25px 40px;
        margin-top: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .value-text {
        font-size: 26px;
        font-weight: 600;
        color: #e0e7ff;
        text-align: center;
    }

    .value-highlight {
        color: #fbbf24;
        font-weight: 700;
        font-size: 30px;
    }
}


.slide-8 {
    width: 100%;
    height: auto;
    min-height: 100vh;
    position: relative;

    .slide {
        width: 100%;
        max-width: 1280px;
        min-height: 720px;
        height: auto;
        position: relative;
        color: white;
        display: flex;
        flex-direction: column;
    }

    .header {
        padding: 10px 70px 10px;
    }

    .title {
        /*font-size: 40px;*/
        font-weight: 700;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }

    .title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 80px;
        height: 4px;
        background: linear-gradient(90deg, #a5b4fc, #6366f1);
        border-radius: 2px;
    }

    .content {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        padding: 0 70px 50px;
    }

    .advantages-container {
        display: flex;
        flex-wrap: wrap;
        gap: 30px;
        flex-grow: 1;
    }

    .advantage-card {
        flex: 1 1 calc(50% - 15px);
        min-width: 540px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
        padding: 30px;
        display: flex;
        align-items: flex-start;
        transition: transform 0.3s, background 0.3s;
        position: relative;
        overflow: hidden;
    }

    .advantage-card:hover {
        transform: translateY(-5px);
        background: rgba(255, 255, 255, 0.08);
    }

    .advantage-icon {
        background: rgba(165, 180, 252, 0.15);
        width: 70px;
        height: 70px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 25px;
        flex-shrink: 0;
    }

    .advantage-icon .material-icons {
        font-size: 36px;
        color: #a5b4fc;
    }

    .advantage-content {
        flex-grow: 1;
    }

    .advantage-title {
        font-size: 24px;
        font-weight: 600;
        margin-bottom: 15px;
        color: #e0e7ff;
    }

    .advantage-desc {
        font-size: 20px;
        color: rgba(224, 231, 255, 0.8);
        line-height: 1.5;
    }

    .highlight {
        color: #fbbf24;
        font-weight: 500;
    }

    .decoration {
        position: absolute;
        bottom: -20px;
        right: -20px;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(165, 180, 252, 0.1) 0%, rgba(99, 102, 241, 0.05) 70%, transparent 100%);
        z-index: 0;
    }

    .value-banner {
        background: rgba(165, 180, 252, 0.1);
        border-radius: 16px;
        padding: 25px 40px;
        margin-top: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .value-text {
        font-size: 26px;
        font-weight: 600;
        color: #e0e7ff;
        text-align: center;
    }

    .value-highlight {
        color: #fbbf24;
        font-weight: 700;
        font-size: 30px;
    }


}


.slide-9 {
    width: 100%;
    height: auto;
    min-height: 100vh;
    position: relative;

    .slide {
        width: 100%;
        max-width: 1280px;
        min-height: 720px;
        height: auto;
        position: relative;
        color: white;
        display: flex;
        flex-direction: column;
    }

    .header {
        padding: 10px 70px 10px;
    }

    .title {
        /*font-size: 40px;*/
        font-weight: 700;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }

    .title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 80px;
        height: 4px;
        background: linear-gradient(90deg, #a5b4fc, #6366f1);
        border-radius: 2px;
    }

    .content {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        padding: 0 70px 50px;
    }

    .scenarios-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        flex-grow: 1;
    }

    .scenario-card {
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
        padding: 30px;
        display: flex;
        flex-direction: column;
        transition: transform 0.3s, background 0.3s;
        position: relative;
        overflow: hidden;
    }

    .scenario-card:hover {
        transform: translateY(-5px);
        background: rgba(255, 255, 255, 0.08);
    }

    .scenario-header {
        display: flex;
        align-items: center;
        margin-bottom: 20px;
    }

    .scenario-icon {
        background: rgba(165, 180, 252, 0.15);
        width: 60px;
        height: 60px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 20px;
        flex-shrink: 0;
    }

    .scenario-icon .material-icons {
        font-size: 32px;
        color: #a5b4fc;
    }

    .scenario-title {
        font-size: 26px;
        font-weight: 600;
        color: #e0e7ff;
    }

    .scenario-content {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
    }

    .system-list {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        margin-bottom: 20px;
    }

    .system-item {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        padding: 12px 20px;
        display: flex;
        align-items: center;
        transition: background 0.3s;
    }

    .system-item:hover {
        background: rgba(255, 255, 255, 0.15);
    }

    .system-icon {
        margin-right: 10px;
        color: #a5b4fc;
        font-size: 22px;
    }

    .system-name {
        font-size: 18px;
        font-weight: 500;
        color: #e0e7ff;
    }

    .scenario-desc {
        text-align: left;
        font-size: 18px;
        color: rgba(224, 231, 255, 0.8);
        line-height: 1.5;
        margin-top: auto;
    }

    .highlight {
        color: #fbbf24;
        font-weight: 500;
    }

    .decoration {
        position: absolute;
        bottom: -20px;
        right: -20px;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(165, 180, 252, 0.1) 0%, rgba(99, 102, 241, 0.05) 70%, transparent 100%);
        z-index: 0;
    }

    .value-banner {
        background: rgba(165, 180, 252, 0.1);
        border-radius: 16px;
        padding: 25px 40px;
        margin-top: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .value-text {
        font-size: 26px;
        font-weight: 600;
        color: #e0e7ff;
        text-align: center;
    }

    .value-highlight {
        color: #fbbf24;
        font-weight: 700;
        font-size: 30px;
    }
}


.slide-10 {
    width: 100%;
    height: auto;
    min-height: 100vh;
    position: relative;

    .slide {
        width: 100%;
        max-width: 1280px;
        min-height: 720px;
        height: auto;
        position: relative;
        color: white;
        display: flex;
        flex-direction: column;
    }

    .header {
        padding: 10px 70px 10px;
    }

    .title {
        /*font-size: 40px;*/
        font-weight: 700;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }

    .title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 80px;
        height: 4px;
        background: linear-gradient(90deg, #a5b4fc, #6366f1);
        border-radius: 2px;
    }

    .content {
        flex-grow: 1;
        display: flex;
        padding: 0 70px 50px;
    }

    .column {
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .column-left {
        padding-right: 30px;
        border-right: 1px solid rgba(255, 255, 255, 0.1);
    }

    .column-right {
        padding-left: 30px;
    }

    .section-title {
        font-size: 28px;
        font-weight: 600;
        margin-bottom: 30px;
        color: #a5b4fc;
        display: flex;
        align-items: center;
    }

    .section-title .material-icons {
        margin-right: 15px;
        font-size: 32px;
    }

    .item-list {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        gap: 25px;
    }

    .item {
        display: flex;
        align-items: flex-start;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
        padding: 25px;
        transition: transform 0.3s, background 0.3s;
    }

    .item:hover {
        transform: translateX(10px);
        background: rgba(255, 255, 255, 0.08);
    }

    .item-icon {
        background: rgba(165, 180, 252, 0.15);
        width: 60px;
        height: 60px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 20px;
        flex-shrink: 0;
    }

    .item-icon .material-icons {
        font-size: 30px;
        color: #a5b4fc;
    }

    .item-content {
        flex-grow: 1;
    }

    .item-title {
        font-size: 22px;
        font-weight: 600;
        margin-bottom: 10px;
        color: #e0e7ff;
    }

    .item-desc {
        font-size: 18px;
        color: rgba(224, 231, 255, 0.8);
        line-height: 1.5;
    }

    .highlight {
        color: #fbbf24;
        font-weight: 500;
    }

    .contact-footer {
        margin-top: 40px;
        background: rgba(165, 180, 252, 0.1);
        border-radius: 16px;
        padding: 25px 40px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .contact-info {
        display: flex;
        align-items: center;
    }

    .contact-item {
        display: flex;
        align-items: center;
        margin-right: 30px;
    }

    .contact-item:last-child {
        margin-right: 0;
    }

    .contact-icon {
        margin-right: 10px;
        color: #a5b4fc;
        font-size: 24px;
    }

    .contact-text {
        font-size: 18px;
        color: #e0e7ff;
    }

    .qr-placeholder {
        width: 80px;
        height: 80px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .qr-placeholder .material-icons {
        font-size: 40px;
        color: #a5b4fc;
    }
}


.slide-11 {
    width: 100%;
    height: auto;
    min-height: 100vh;
    position: relative;

    .slide {
        width: 100%;
        max-width: 1280px;
        min-height: 720px;
        height: auto;
        position: relative;
        color: white;
        display: flex;
        flex-direction: column;
    }

    .content {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 0 70px;
    }

    .thank-you {
        font-size: 64px;
        font-weight: 700;
        margin-bottom: 40px;
        background: linear-gradient(90deg, #ffffff, #a5b4fc);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        text-align: center;
    }

    .tagline {
        font-size: 28px;
        font-weight: 500;
        color: #e0e7ff;
        text-align: center;
        margin-bottom: 60px;
        padding: 15px 40px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 30px;
    }

    .highlight {
        color: #fbbf24;
        font-weight: 600;
    }

    .footer {
        width: 100%;
        padding: 40px 70px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .company-info {
        display: flex;
        flex-direction: column;
    }

    .company-name {
        font-size: 24px;
        font-weight: 600;
        color: #e0e7ff;
        margin-bottom: 15px;
    }

    .contact-info {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }

    .contact-item {
        display: flex;
        align-items: center;
    }

    .contact-icon {
        margin-right: 8px;
        color: #a5b4fc;
        font-size: 20px;
    }

    .contact-text {
        font-size: 18px;
        color: rgba(224, 231, 255, 0.8);
    }

    .qr-container {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .qr-placeholder {
        width: 100px;
        height: 100px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 10px;
    }

    .qr-placeholder .material-icons {
        font-size: 50px;
        color: #a5b4fc;
    }

    .qr-text {
        font-size: 16px;
        color: rgba(224, 231, 255, 0.7);
    }

    .decoration {
        position: absolute;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(165, 180, 252, 0.05) 0%, rgba(99, 102, 241, 0.02) 70%, transparent 100%);
        z-index: 0;
    }

    .decoration-1 {
        top: -100px;
        left: -100px;
    }

    .decoration-2 {
        bottom: -100px;
        right: -100px;
    }
}

/* 幻灯片css ---- end */

/* 响应式调整 */
@media (max-width: 1024px) {
    .side-navigation {
        width: 50px;
        left: 3%;
    }

    .slides-content {
        margin-left: 80px;
        width: calc(100% - 80px);
    }

    .tekup-footer-section {
        margin-left: 80px;
        width: calc(100% - 80px);
    }

    .slide-section {
        padding: 40px 40px;
    }

    .challenge-card {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .side-navigation {
        display: none;
    }

    .slides-content {
        margin-left: 0;
        width: 100%;
    }

    .tekup-footer-section {
        margin-left: 0;
        width: 100%;
    }

    .slide-section {
        padding: 40px 20px;
        height: auto; /* 移动端恢复自动高度 */
        min-height: calc(100% - 80px); /* 确保最小高度为视口高度 */
    }

    .value-container {
        flex-direction: column;
    }

    .system-container {
        justify-content: center;
    }

    .slide-1 .slide-title {
        font-size: 36px;
    }

    .slide-1 .subtitle {
        font-size: 18px;
    }

    .slide-1 .slogan {
        font-size: 20px;
    }
}


/* 移动端适配修改 */

/* 基础响应式调整 */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    /* 隐藏左侧导航，在移动端使用底部导航或汉堡菜单替代 */
    .side-navigation {
        display: none;
    }

    /* 主要内容区域全宽显示 */
    .slides-content {
        margin-left: 0;
        width: 100%;
    }

    /* 调整幻灯片区域高度为自动，适应内容 */
    .slide-section {
        height: auto;
        min-height: 100vh;
        padding: 20px 15px;
        scroll-margin-top: 60px; /* 移动端header通常较小 */
    }

    /* 移动端标题大小调整 */
    .slide-title {
        font-size: 28px;
    }

    /* 移动端内容区域调整 */
    .slide-content {
        padding: 10px 0;
    }

    /* 移动端按钮大小调整 */
    #fixedButton {
        width: 60px;
        height: 60px;
        bottom: 15px;
        right: 15px;
        font-size: 20px;
    }
}

/* 针对小屏幕手机的额外调整 */
@media (max-width: 480px) {
    .slide-section {
        padding: 15px 10px;
    }

    .slide-title {
        font-size: 24px;
    }

    /* 移动端隐藏部分装饰元素 */
    .tech-elements,
    .decoration {
        display: none;
    }
}

/* 幻灯片1的移动端适配 */
@media (max-width: 768px) {
    .slide-1 .title {
        font-size: 36px;
    }

    .slide-1 .subtitle {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .slide-1 .tagline {
        font-size: 16px;
        padding: 8px 20px;
    }

    .slide-1 .content {
        padding: 0 20px;
    }

    .slide-1 .footer {
        bottom: 20px;
        flex-direction: column;
        gap: 15px;
    }

    .slide-1 .company-info,
    .slide-1 .contact-info {
        margin: 0;
    }
}

/* 幻灯片2的移动端适配 */
@media (max-width: 768px) {
    .slide-2 .header,
    .slide-2 .content {
        padding: 10px 20px;
    }

    .slide-2 .title {
        font-size: 28px;
    }

    .slide-2 .toc-item {
        margin-bottom: 20px;
    }

    .slide-2 .toc-number {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .slide-2 .toc-text {
        font-size: 18px;
    }

    .slide-2 .decoration {
        display: none; /* 移动端隐藏装饰元素 */
    }
}

/* 幻灯片3的移动端适配 */
@media (max-width: 768px) {
    .slide-3 .header,
    .slide-3 .content {
        padding: 10px 20px;
    }

    .slide-3 .title {
        font-size: 28px;
    }

    .slide-3 .content {
        flex-direction: column;
    }

    .slide-3 .column {
        padding: 0;
        border: none;
    }

    .slide-3 .column-left {
        margin-bottom: 30px;
    }

    .slide-3 .section-title {
        font-size: 20px;
    }

    .slide-3 .item {
        padding: 12px;
    }

    .slide-3 .item-title {
        font-size: 18px;
    }

    .slide-3 .item-desc {
        font-size: 14px;
    }
}

/* 幻灯片4的移动端适配 */
@media (max-width: 768px) {
    .slide-4 .header,
    .slide-4 .content {
        padding: 10px 20px;
    }

    .slide-4 .title {
        font-size: 28px;
    }

    .slide-4 .content {
        flex-direction: column;
    }

    .slide-4 .side-content {
        padding-left: 0;
        margin-top: 30px;
    }

    .slide-4 .architecture {
        padding: 20px;
    }

    .slide-4 .business-systems {
        flex-direction: column;
        gap: 15px;
    }

    .slide-4 .business-system {
        width: 100%;
    }

    .slide-4 .connector {
        display: none; /* 移动端隐藏连接线 */
    }
}

/* 幻灯片5的移动端适配 */
@media (max-width: 768px) {
    .slide-5 .header,
    .slide-5 .content {
        padding: 10px 20px;
    }

    .slide-5 .title {
        font-size: 28px;
    }

    .slide-5 .systems-grid {
        flex-direction: column;
        gap: 15px;
    }

    .slide-5 .system-category {
        min-width: 100%;
        flex: 1;
    }

    .slide-5 .category-title {
        font-size: 20px;
    }

    .slide-5 .system-name {
        font-size: 16px;
    }

    .slide-5 .system-desc {
        font-size: 13px;
    }
}

/* 幻灯片6的移动端适配 */
@media (max-width: 768px) {
    .slide-6 .header,
    .slide-6 .content {
        padding: 10px 20px;
    }

    .slide-6 .title {
        font-size: 28px;
    }

    .slide-6 .content {
        flex-direction: column;
    }

    .slide-6 .left-content,
    .slide-6 .right-content {
        padding: 0;
    }

    .slide-6 .right-content {
        margin-top: 30px;
    }

    .slide-6 .system-name,
    .slide-6 .value-title {
        font-size: 22px;
    }

    .slide-6 .feature-title {
        font-size: 18px;
    }

    .slide-6 .feature-desc {
        font-size: 16px;
    }

    .slide-6 .value-content {
        font-size: 18px;
    }

    .slide-6 .highlight {
        font-size: 22px;
    }

    .slide-6 .key-metrics {
        flex-direction: column;
        gap: 15px;
    }

    .slide-6 .metric {
        margin: 0;
    }
}

/* 幻灯片7的移动端适配 */
@media (max-width: 768px) {
    .slide-7 .header,
    .slide-7 .content {
        padding: 10px 20px;
    }

    .slide-7 .title {
        font-size: 28px;
    }

    .slide-7 .advantages-grid {
        flex-direction: column;
        gap: 20px;
    }

    .slide-7 .advantage-card {
        min-width: 100%;
    }

    .slide-7 .advantage-title {
        font-size: 20px;
    }

    .slide-7 .advantage-desc {
        font-size: 16px;
    }

    .slide-7 .value-text {
        font-size: 20px;
    }

    .slide-7 .value-highlight {
        font-size: 22px;
    }
}

/* 幻灯片8的移动端适配 */
@media (max-width: 768px) {
    .slide-8 .header,
    .slide-8 .content {
        padding: 10px 20px;
    }

    .slide-8 .title {
        font-size: 28px;
    }

    .slide-8 .advantages-container {
        flex-direction: column;
        gap: 20px;
    }

    .slide-8 .advantage-card {
        min-width: 100%;
        flex-direction: column;
        text-align: center;
    }

    .slide-8 .advantage-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .slide-8 .advantage-title {
        font-size: 20px;
    }

    .slide-8 .advantage-desc {
        font-size: 16px;
    }
}

/* 幻灯片9的移动端适配 */
@media (max-width: 768px) {
    .slide-9 .header,
    .slide-9 .content {
        padding: 10px 20px;
    }

    .slide-9 .title {
        font-size: 28px;
    }

    .slide-9 .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .slide-9 .scenario-title {
        font-size: 22px;
    }

    .slide-9 .system-name {
        font-size: 16px;
    }

    .slide-9 .scenario-desc {
        font-size: 16px;
    }
}

/* 幻灯片10的移动端适配 */
@media (max-width: 768px) {
    .slide-10 .header,
    .slide-10 .content {
        padding: 10px 20px;
    }

    .slide-10 .title {
        font-size: 28px;
    }

    .slide-10 .content {
        flex-direction: column;
    }

    .slide-10 .column {
        padding: 0;
        border: none;
    }

    .slide-10 .column-right {
        margin-top: 30px;
    }

    .slide-10 .section-title {
        font-size: 22px;
    }

    .slide-10 .item {
        padding: 15px;
    }

    .slide-10 .item-title {
        font-size: 18px;
    }

    .slide-10 .item-desc {
        font-size: 16px;
    }

    .slide-10 .contact-footer {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .slide-10 .contact-info {
        flex-direction: column;
        gap: 15px;
    }

    .slide-10 .contact-item {
        margin-right: 0;
    }
}

/* 幻灯片11的移动端适配 */
@media (max-width: 768px) {
    .slide-11 .content {
        padding: 0 20px;
    }

    .slide-11 .thank-you {
        font-size: 36px;
        margin-bottom: 20px;
    }

    .slide-11 .tagline {
        font-size: 18px;
        margin-bottom: 30px;
        padding: 10px 20px;
    }

    .slide-11 .footer {
        padding: 20px;
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .slide-11 .contact-info {
        flex-direction: column;
        gap: 10px;
    }
}

/* 触摸友好的交互改进 */
@media (max-width: 768px) {
    /* 增加触摸目标的最小尺寸 */
    .nav-btn,
    .toc-item,
    .item,
    .feature-item,
    .system-item,
    .advantage-card,
    .scenario-card {
        min-height: 44px; /* Apple人机界面指南推荐的最小触摸目标尺寸 */
    }

    /* 增加按钮和可点击元素的间距 */
    .toc-item,
    .item,
    .feature-item {
        margin-bottom: 15px;
    }

    /* 优化悬停效果在触摸设备上的表现 */
    .nav-btn:hover::before {
        display: none; /* 移动端隐藏悬停提示 */
    }
}

/* 移动端滚动性能优化 */
@media (max-width: 768px) {
    .slide-section {
        -webkit-overflow-scrolling: touch; /* iOS平滑滚动 */
    }

    /* 减少移动端的动画效果以提升性能 */
    .tech-circle,
    .tech-line {
        animation: none;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    /* 基础布局调整 */
    body {
        font-size: 15px;
    }

    /* 侧边导航调整 */
    .side-navigation {
        left: 3%;
        width: 50px;
    }

    /* 幻灯片通用调整 */
    .slide-section {
        padding: 30px 40px;
        height: auto;
        min-height: 100vh;
    }

    .slide-title {
        font-size: 32px;
    }

    /* 幻灯片1调整 */
    .slide-1 .title {
        font-size: 48px;
    }

    .slide-1 .subtitle {
        font-size: 22px;
    }

    .slide-1 .content {
        padding: 0 60px;
    }

    /* 幻灯片2调整 */
    .slide-2 .header,
    .slide-2 .content {
        padding: 10px 40px;
    }

    .slide-2 .decoration {
        width: 200px;
        height: 200px;
        right: 30px;
    }

    .slide-2 .decoration-inner {
        width: 140px;
        height: 140px;
    }

    .slide-2 .decoration-core {
        width: 80px;
        height: 80px;
    }

    /* 幻灯片3调整 - 修复列布局 */
    .slide-3 .content {
        padding: 0 40px 30px;
    }

    .slide-3 .column-left {
        padding-right: 25px;
    }

    .slide-3 .column-right {
        padding-left: 25px;
    }

    .slide-3 .item {
        padding: 14px;
    }

    .slide-3 .item-title {
        font-size: 18px;
    }

    .slide-3 .item-desc {
        font-size: 14px;
    }

    /* 幻灯片4调整 - 修复架构图 */
    .slide-4 .content {
        padding: 0 40px 30px;
    }

    .slide-4 .main-content {
        flex: 1.5;
    }

    .slide-4 .side-content {
        flex: 1;
        padding-left: 25px;
    }

    .slide-4 .architecture {
        padding: 20px;
    }

    .slide-4 .data-platform {
        width: 90%;
        padding: 15px 25px;
    }

    .slide-4 .business-system {
        padding: 12px;
    }

    .slide-4 .business-system-title {
        font-size: 16px;
    }

    .slide-4 .business-system-desc {
        font-size: 13px;
    }

    /* 幻灯片5调整 - 修复网格布局 */
    .slide-5 .header,
    .slide-5 .content {
        padding: 10px 40px;
    }

    .slide-5 .system-category {
        min-width: 100%;
        flex: 1 1 100%;
    }

    .slide-5 .category-title {
        font-size: 20px;
    }

    .slide-5 .system-name {
        font-size: 17px;
    }

    .slide-5 .system-desc {
        font-size: 13px;
    }

    /* 幻灯片6调整 - 修复双列布局 */
    .slide-6 .header,
    .slide-6 .content {
        padding: 10px 40px;
        display: flex;
        flex-direction: column;
    }

    .slide-6 .left-content {
        padding-right: 15px;
    }

    .slide-6 .right-content {
        margin-top: 10px;
        padding-left: 1px;
    }

    .slide-6 .system-name,
    .slide-6 .value-title {
        font-size: 24px;
    }

    .slide-6 .feature-title {
        font-size: 19px;
    }

    .slide-6 .feature-desc {
        font-size: 16px;
    }

    .slide-6 .value-content {
        font-size: 19px;
    }

    /* 幻灯片7调整 - 修复卡片布局 */
    .slide-7 .header,
    .slide-7 .content {
        padding: 10px 40px;
    }

    .slide-7 .advantage-card {
        min-width: calc(50% - 15px);
        flex: 1 1 calc(50% - 15px);
        padding: 15px 25px;
    }

    .slide-7 .advantage-title {
        font-size: 21px;
    }

    .slide-7 .advantage-desc {
        font-size: 16px;
    }

    /* 幻灯片8调整 - 修复大卡片布局 */
    .slide-8 .header,
    .slide-8 .content {
        padding: 10px 40px;
    }

    .slide-8 .advantage-card {
        min-width: 100%;
    }

    .slide-8 .advantage-title {
        font-size: 22px;
    }

    .slide-8 .advantage-desc {
        font-size: 17px;
    }

    /* 幻灯片9调整 - 修复网格布局 */
    .slide-9 .header,
    .slide-9 .content {
        padding: 10px 40px;
    }

    .slide-9 .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .slide-9 .scenario-title {
        font-size: 23px;
    }

    .slide-9 .scenario-desc {
        font-size: 16px;
    }

    /* 幻灯片10调整 - 修复双列布局 */
    .slide-10 .header,
    .slide-10 .content {
        padding: 10px 40px;
    }

    .slide-10 .column-left {
        padding-right: 20px;
    }

    .slide-10 .column-right {
        padding-left: 20px;
    }

    .slide-10 .section-title {
        font-size: 24px;
    }

    .slide-10 .item-title {
        font-size: 20px;
    }

    .slide-10 .item-desc {
        font-size: 16px;
    }

    .slide-10 .contact-footer {
        padding: 20px 30px;
    }

    /* 幻灯片11调整 */
    .slide-11 .content {
        padding: 0 40px;
    }

    .slide-11 .thank-you {
        font-size: 48px;
    }

    .slide-11 .tagline {
        font-size: 22px;
    }

    /* 通用组件调整 */
    .nav-btn {
        width: 14px;
        height: 14px;
    }

    /* 修复flex布局在中等屏幕上的问题 */
    .systems-grid,
    .advantages-grid,
    .advantages-container {
        gap: 20px;
    }

    /* 修复图片和图标尺寸 */
    .image-container {
        width: 100px;
        height: 100px;
    }

    .advantage-icon,
    .scenario-icon,
    .item-icon {
        width: 50px;
        height: 50px;
    }

    .advantage-icon .material-icons,
    .scenario-icon .material-icons,
    .item-icon .material-icons {
        font-size: 26px;
    }
}

/* 特别针对912px左右的精细调整 */
@media (min-width: 880px) and (max-width: 940px) {
    /* 进一步微调这个特定范围的样式 */
    .slide-4 .business-system-title {
        font-size: 15px;
    }

    .slide-4 .business-system-desc {
        font-size: 12px;
    }

    .slide-5 .system-category {
        min-width: 100%;
        flex: 1 1 100%;
    }

    .slide-7 .advantage-card {
        min-width: 100%;
        flex: 1 1 100%;
    }

    /* 调整导航位置 */
    .side-navigation {
        left: 2%;
    }
}

/* 防止内容溢出的通用修复 */
@media (min-width: 769px) and (max-width: 1024px) {
    * {
        box-sizing: border-box;
    }

    /* 确保所有容器不会超出视口 */
    .slide,
    .content,
    .main-content,
    .side-content,
    .column {
        max-width: 100%;
        overflow: hidden;
    }

    /* 修复文本溢出 */
    .item-desc,
    .system-desc,
    .advantage-desc,
    .feature-desc,
    .scenario-desc {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
}