/* 全局变量定义 */
:root {
    /* 主要配色 */
    --primary-color: #2B4CCB;    /* 医疗蓝 */
    --secondary-color: #00B8A9;  /* 科技绿 */
    --accent-color: #4A90E2;     /* 科技蓝 */
    --text-color: #333;          /* 主要文字颜色 */
    --light-bg: #F8F9FA;         /* 背景色 */
    
    /* 间距 */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    
    /* 圆角 */
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    
    /* 动画时长 */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
}

/* 性能优化 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
}

/* 图片优化 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 焦点样式优化 */
:focus:not(:focus-visible) {
    outline: none;
    outline-offset: 0;
}

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 跳过导航链接 */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
    outline: none;
}

/* 滚动显示动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 卡片悬停效果增强 */
.card-hover {
    transition: all var(--transition-normal) ease;
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(43, 76, 203, 0.15);
}

/* 按钮点击效果 */
.button-active {
    transition: transform var(--transition-fast) ease;
}

.button-active:active {
    transform: scale(0.98);
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    background-color: var(--light-bg);
    position: relative;
    background-image: 
        linear-gradient(135deg, 
            rgba(43, 76, 203, 0.05) 0%,
            rgba(0, 184, 169, 0.05) 100%),
        radial-gradient(circle at 50% 50%,
            rgba(255, 255, 255, 0.9) 0%,
            rgba(240, 248, 255, 0.95) 100%);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 水印样式 */
.watermark {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.03) 0%,
        rgba(0, 184, 169, 0.03) 100%);
}

.watermark::before {
    content: "我谨以至诚献身于医学，愿以我的整个生命和意志为人类服务。我将尊重我的老师如同尊重我的父母，我将竭尽全力为病人谋福利。我将保持医学的尊严和荣誉。我将以我的良知和尊严来行医。我将保守病人的秘密。我将尽我所能维护医学的荣誉和高尚传统。";
    position: absolute;
    top: 40%;
    right: 15%;
    left: auto;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-family: 'ZCOOL XiaoWei', '华文草书', '草书', 'STCaiyun', 'STKaiti', serif;
    color: rgba(43, 76, 203, 0.04);
    font-size: clamp(33px, 4vw, 41px);
    white-space: pre-wrap;
    line-height: 2;
    text-align: left;
    height: 90%;
    max-height: 800px;
    padding: 2rem;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    letter-spacing: 4px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.05);
    width: auto;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 2.4rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 600;
    display: flex;
    align-items: flex-end;
    gap: 1rem;
}

.logo .en-name {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 700;
    position: relative;
    padding-left: 1rem;
    font-family: 'Noto Sans SC', sans-serif;
    letter-spacing: 0.5px;
    margin-bottom: 0.2rem;
    transform: translateY(-4px);
}

.logo .en-name::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 1.2rem;
    background-color: var(--primary-color);
    opacity: 0.5;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 0.5rem;
    font-weight: 500;
    transition: all var(--transition-normal) ease;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    border: 2px solid transparent;
}

.nav-links a:hover {
    color: var(--primary-color);
    background-color: rgba(43, 76, 203, 0.1);
}

.nav-links a.active {
    color: #ffffff;
    background-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(43, 76, 203, 0.3);
    transform: translateY(-2px);
}

.nav-links a.active:hover {
    background-color: var(--accent-color);
    color: #ffffff;
}

/* 首屏样式 */
.hero {
    height: 65vh;
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.08) 0%,
        rgba(0, 184, 169, 0.08) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
    background-image: 
        radial-gradient(circle at 20% 50%,
            rgba(43, 76, 203, 0.08) 0%,
            transparent 50%),
        radial-gradient(circle at 80% 50%,
            rgba(0, 184, 169, 0.08) 0%,
            transparent 50%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(43,76,203,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
    z-index: -1;
}

.hero-content {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.7);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: heroContentFadeIn 1s ease-out;
}

@keyframes heroContentFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
}

.hero-content .subtitle {
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.hero-features {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: calc(var(--spacing-md) * 1.5);
    flex-wrap: wrap;
}

.hero-features span {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    color: var(--primary-color);
    transition: all var(--transition-normal) ease;
    cursor: default;
    min-width: 100px;
    text-align: center;
}

.hero-features span:hover {
    transform: translateY(-5px);
}

.hero-features i {
    font-size: 1.8rem;
    color: var(--secondary-color);
    background: linear-gradient(135deg, rgba(255,255,255,0.6), rgba(255,255,255,0.2));
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all var(--transition-normal) ease;
    border: 1px solid rgba(255,255,255,0.4);
}

.hero-features span:hover i {
    transform: scale(1.1) rotate(-8deg);
    box-shadow: 0 8px 24px rgba(0, 184, 169, 0.25);
    background: white;
    color: var(--accent-color);
}

.hero-features span:hover {
    color: var(--accent-color);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-md);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.9rem 2.5rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal) ease;
    font-weight: 600;
    border: 2px solid var(--primary-color);
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.1) 0%,
        rgba(0, 184, 169, 0.1) 100%);
    transition: left var(--transition-normal) ease;
    z-index: -1;
}

.cta-button i {
    font-size: 1.3rem;
    color: var(--primary-color);
    transition: transform var(--transition-normal) ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(43, 76, 203, 0.15);
    background: rgba(255, 255, 255, 1);
}

.cta-button:hover::before {
    left: 0;
}

.cta-button:hover i {
    transform: scale(1.1);
}

.cta-button:active {
    transform: translateY(-1px) scale(0.98);
}

.demo-button {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.9rem 2.5rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--secondary-color);
    text-decoration: none;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal) ease;
    font-weight: 600;
    border: 2px solid var(--secondary-color);
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.demo-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 184, 169, 0.1) 0%,
        rgba(43, 76, 203, 0.1) 100%);
    transition: left var(--transition-normal) ease;
    z-index: -1;
}

.demo-button i {
    font-size: 1.3rem;
    color: var(--secondary-color);
    transition: transform var(--transition-normal) ease;
}

.demo-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 184, 169, 0.15);
    background: rgba(255, 255, 255, 1);
}

.demo-button:hover::before {
    left: 0;
}

.demo-button:hover i {
    transform: scale(1.1);
}

.demo-button:active {
    transform: translateY(-1px) scale(0.98);
}

/* 步骤展示样式 */
.steps-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: 0.5rem;
    padding: 1rem;
    position: relative;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal) ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.step-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal) ease;
}

.step-item:hover::before {
    transform: scaleX(1);
}

.step-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1.5rem;
    top: 30%;
    width: 3rem;
    height: 2px;
    background: var(--primary-color);
    opacity: 0.3;
    transform: translateY(-50%);
    transition: all var(--transition-normal) ease;
}

.step-item:hover:not(:last-child)::after {
    opacity: 0.6;
    width: 4rem;
}

.step-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(43, 76, 203, 0.15);
    background: rgba(255, 255, 255, 1);
}

.step-image {
    width: 100%;
    max-width: 200px;
    margin-bottom: 13px;
    transition: transform var(--transition-normal) ease;
}

.step-item:hover .step-image {
    transform: scale(1.05);
}

.step-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    transition: filter var(--transition-normal) ease;
}

.step-item:hover .step-image img {
    filter: brightness(1.1) contrast(1.1);
}

.step-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-content h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

/* 添加步骤编号的样式 */
.step-content h3::before {
    content: attr(data-step);
    font-size: 1.3rem;  /* 增大字号 */
    font-weight: 700;   /* 加粗 */
    color: var(--primary-color);  /* 改为深蓝色，与标题保持一致 */
    display: block;
    margin-bottom: 0.2rem;
}

.step-content p {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    text-align: left;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .steps-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .step-item:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero {
        height: auto;
        min-height: 85vh;
        padding-top: 100px;
        padding-bottom: 3rem;
    }

    .logo h1 {
        font-size: 2.2rem;
        gap: 0.7rem;
    }

    .logo .en-name {
        font-size: 1.15rem;
        padding-bottom: 0.12rem;
    }

    .steps-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .step-item {
        max-width: 100%;
    }

    .step-image {
        max-width: 250px;
    }

    .hero-features {
        gap: var(--spacing-md);
    }

    .cta-button,
    .demo-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
        padding: 0.9rem 2rem;
        font-size: 1rem;
    }
    
    .cta-button i,
    .demo-button i {
        font-size: 1.2rem;
    }
}

/* 产品展示样式 */
.product-section {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%,
        rgba(240, 248, 255, 0.98) 100%);
    padding: var(--spacing-md) 0;
    position: relative;
    overflow: hidden;
}

.product-section h2 {
    margin-bottom: 0.5rem;
}

/* 使用指南按钮样式 */
.guide-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding: 0 var(--spacing-md);
    flex-wrap: wrap;
}

.guide-button {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 2rem; /* 调整内边距以适应三个按钮 */
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    font-weight: 600;
    border: 2px solid transparent;
    font-size: 1.1rem; /* 稍微调整字体大小 */
    min-width: 180px; /* 设置最小宽度 */
    justify-content: center;
}

.guide-button i {
    font-size: 1.5rem; /* 增大图标大小 */
    color: var(--secondary-color);
}

.guide-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(43, 76, 203, 0.15);
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 1);
}

.clinic-guide:hover {
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.05) 0%,
        rgba(255, 255, 255, 1) 100%);
}

.doctor-guide:hover {
    background: linear-gradient(135deg, 
        rgba(0, 184, 169, 0.05) 0%,
        rgba(255, 255, 255, 1) 100%);
}

.system-agreement:hover {
    background: linear-gradient(135deg, 
        rgba(74, 144, 226, 0.05) 0%,
        rgba(255, 255, 255, 1) 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.product-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-top: var(--spacing-md);
}

.dashboard-preview {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.dashboard-preview img {
    width: 100%;
    height: auto;
    transition: transform 0.3s;
}

.dashboard-preview:hover img {
    transform: scale(1.05);
}

.product-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.feature-item {
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

/* 系统优势样式 */
.advantages-section {
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.03) 0%,
        rgba(0, 184, 169, 0.03) 100%);
    padding: var(--spacing-lg) 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.advantage-card {
    background: white;
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-normal) ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(43, 76, 203, 0.05);
    backdrop-filter: blur(10px);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(43, 76, 203, 0.15);
    border-color: rgba(43, 76, 203, 0.1);
}

.advantage-card:hover::before {
    opacity: 1;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    position: relative;
    transition: all var(--transition-normal) ease;
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.1) 0%,
        rgba(0, 184, 169, 0.1) 100%);
    color: var(--primary-color);
    border: 2px solid rgba(43, 76, 203, 0.1);
    overflow: hidden;
}

.advantage-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.2) 0%,
        rgba(0, 184, 169, 0.2) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(43, 76, 203, 0.2);
}

.advantage-card:hover .advantage-icon::before {
    opacity: 1;
}

.advantage-card:hover .advantage-icon i {
    transform: scale(1.2);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* 为每个优势卡片设置不同的图标背景渐变 */
.advantage-card:nth-child(1) .advantage-icon {
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.15) 0%,
        rgba(43, 76, 203, 0.05) 100%);
    border-color: rgba(43, 76, 203, 0.2);
    color: var(--primary-color);
}

.advantage-card:nth-child(2) .advantage-icon {
    background: linear-gradient(135deg, 
        rgba(0, 184, 169, 0.15) 0%,
        rgba(0, 184, 169, 0.05) 100%);
    border-color: rgba(0, 184, 169, 0.2);
    color: var(--secondary-color);
}

.advantage-card:nth-child(3) .advantage-icon {
    background: linear-gradient(135deg, 
        rgba(74, 144, 226, 0.15) 0%,
        rgba(74, 144, 226, 0.05) 100%);
    border-color: rgba(74, 144, 226, 0.2);
    color: var(--accent-color);
}

.advantage-card:nth-child(4) .advantage-icon {
    background: linear-gradient(135deg, 
        rgba(255, 107, 107, 0.15) 0%,
        rgba(255, 107, 107, 0.05) 100%);
    border-color: rgba(255, 107, 107, 0.2);
    color: #FF6B6B;
}

.advantage-card h3 {
    color: var(--primary-color);
    margin-bottom: calc(var(--spacing-sm) + 7px);  /* 保持7px的间距 */
    font-size: 1.4rem;
    font-weight: 600;
    position: relative;
}

.advantage-card p {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
    text-align: left;
    opacity: 0.85;
    transition: opacity 0.3s ease;
}

.advantage-card:hover p {
    opacity: 1;
}

/* 应用场景样式 */
.scenarios-section {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%,
        rgba(240, 248, 255, 0.98) 100%);
    padding: var(--spacing-lg) 0;
}

.scenarios-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.scenario-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid rgba(43, 76, 203, 0.05);
}

/* 添加顶部渐变条效果 */
.scenario-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 3;
}

.scenario-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(43, 76, 203, 0.15);
    border-color: rgba(43, 76, 203, 0.1);
}

.scenario-card:hover::before {
    opacity: 1;
}

.scenario-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* 为每个场景卡片设置不同的渐变背景 */
.scenario-card:nth-child(1) .scenario-image {
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.1) 0%,
        rgba(43, 76, 203, 0.05) 100%);
}

.scenario-card:nth-child(2) .scenario-image {
    background: linear-gradient(135deg, 
        rgba(0, 184, 169, 0.1) 0%,
        rgba(0, 184, 169, 0.05) 100%);
}

.scenario-card:nth-child(3) .scenario-image {
    background: linear-gradient(135deg, 
        rgba(74, 144, 226, 0.1) 0%,
        rgba(74, 144, 226, 0.05) 100%);
}

/* 图标样式优化 */
.scenario-image i {
    font-size: 3.5rem;
    color: var(--primary-color);
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

/* 添加图标背景装饰 */
.scenario-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    z-index: 1;
    transition: all 0.3s ease;
}

/* 悬停效果 */
.scenario-card:hover .scenario-image::before {
    transform: translate(-50%, -50%) scale(1.2);
    background: rgba(255, 255, 255, 0.95);
}

.scenario-card:hover .scenario-image i {
    transform: scale(1.1) rotate(5deg);
    color: var(--secondary-color);
    filter: drop-shadow(0 4px 8px rgba(43, 76, 203, 0.3));
}

.scenario-card h3 {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--primary-color);
    font-size: 1.3rem;
    margin: 0;
    transition: color 0.3s ease;
}

.scenario-card:hover h3 {
    color: var(--secondary-color);
}

.scenario-card p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    text-align: left;
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    opacity: 0.85;
    transition: opacity 0.3s ease;
}

.scenario-card:hover p {
    opacity: 1;
}

/* 联系我们样式 */
.contact-section {
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.05) 0%,
        rgba(0, 184, 169, 0.05) 100%);
    padding: calc(var(--spacing-lg) * 0.85) 0;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: calc(var(--spacing-lg) * 0.85);
    margin-top: calc(var(--spacing-md) * 0.85);
}

.contact-item {
    text-align: center;
    flex: 1;
    min-width: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--spacing-sm) * 0.85);
    padding: calc(var(--spacing-md) * 0.85);
}

/* 邮件联系区域特殊样式 */
.contact-item:nth-child(2) {
    justify-content: center;
    padding-top: calc((var(--spacing-md) + 2rem) * 0.85);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.contact-qrcode {
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin: var(--spacing-sm) 0;
}

.contact-item p {
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
}

/* 认证图标样式 */
.certification-icons {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: center;
    margin: var(--spacing-sm) 0;
}

.certification-icon {
    width: 120px;
    height: auto;
    max-height: 120px;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .product-overview {
        grid-template-columns: 1fr;
    }
    
    .product-features {
        grid-template-columns: 1fr;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* 首屏按钮移动端样式 */
    .cta-button,
    .demo-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
        padding: 0.9rem 2rem;
        font-size: 1rem;
    }
    
    .cta-button i,
    .demo-button i {
        font-size: 1.2rem;
    }
    
    /* 使用指南按钮移动端样式 */
    .guide-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .guide-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
        padding: 1.2rem 2rem;
    }
    
    /* 系统优势区域移动端优化 */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .advantage-card {
        padding: 1.5rem;
        border-radius: 12px;
    }
    
    .advantage-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
        border-radius: 16px;
    }
    
    .advantage-icon::before {
        width: 50px;
        height: 50px;
        border-radius: 10px;
    }
    
    .advantage-card h3 {
        font-size: 1.3rem;
        margin-bottom: calc(var(--spacing-sm) + 5px);
    }
    
    .advantage-card p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .nav-links {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .contact-qrcode {
        width: 100px;
        height: 100px;
    }
}

/* 移动端菜单按钮样式 */
.menu-toggle {
    display: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: 0.3s;
}

/* 标题样式 */
h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
    font-size: 2rem;
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, 
        rgba(43, 76, 203, 0.05) 0%,
        rgba(0, 184, 169, 0.05) 100%);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid rgba(43, 76, 203, 0.1);
}

.footer p {
    color: #000000;
    font-size: 1rem;
    margin: 0;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.footer p:last-child {
    margin-bottom: 0;
}

.footer .icp-info {
    color: #000000;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: var(--spacing-sm);
}

/* ICP备案链接样式 */
.footer .icp-info a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.footer .icp-info a:hover {
    color: var(--secondary-color);
    opacity: 1;
    transform: translateY(-1px);
}

.footer .icp-info a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.footer .icp-info a:hover::after {
    width: 100%;
}