/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', '微软雅黑', 'SimHei', Arial, sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #F5F9FA;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 - 医院风格 */
.header {
    background: linear-gradient(135deg, #E8F5F7 0%, #FFFFFF 100%);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid #4FC3F7;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 26px;
    font-weight: bold;
    color: #0288D1;
    letter-spacing: 1px;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav a {
    text-decoration: none;
    color: #455A64;
    font-size: 16px;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav a:hover,
.nav a.active {
    background-color: #B3E5FC;
    color: #01579B;
}

/* Hero/Banner 样式 - 医院清新风格 */
.hero {
    background: linear-gradient(135deg, #81D4FA 0%, #4FC3F7 50%, #29B6F6 100%);
    color: #fff;
    padding: 80px 20px;
    text-align: center;
    position: relative;
    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 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="1200" height="600" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

/* 按钮样式 - 医院风格 */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 14px 35px;
    text-decoration: none;
    border-radius: 25px;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-weight: 500;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: #fff;
    color: #0288D1;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    background-color: #E1F5FE;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(2, 136, 209, 0.3);
}

.btn-secondary {
    background-color: #66BB6A;
    color: #fff;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(102, 187, 106, 0.3);
}

.btn-secondary:hover {
    background-color: #4CAF50;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.btn-link {
    color: #0288D1;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-link:hover {
    color: #01579B;
    gap: 10px;
}

/* 公司简介片段 */
.about-snippet {
    padding: 60px 20px;
    background: linear-gradient(135deg, #FFFFFF 0%, #E8F5F7 100%);
}

.section-title {
    font-size: 32px;
    text-align: center;
    margin-bottom: 15px;
    color: #0277BD;
    position: relative;
    padding-bottom: 20px;
    font-weight: bold;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #4FC3F7 0%, #66BB6A 100%);
    border-radius: 2px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    background-color: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(2, 136, 209, 0.1);
}

.about-content p {
    font-size: 17px;
    line-height: 2;
    margin-bottom: 20px;
    color: #546E7A;
}

/* 产品展示 - 医院卡片风格 */
.products-featured {
    padding: 60px 20px;
    background-color: #F5F9FA;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.product-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F9FF 100%);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(2, 136, 209, 0.15);
    padding: 30px;
    transition: all 0.3s ease;
    border: 2px solid #E1F5FE;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(2, 136, 209, 0.25);
    border-color: #81D4FA;
}

.product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 3px solid #E1F5FE;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #0277BD;
    font-weight: bold;
}

.product-card > p {
    font-size: 16px;
    line-height: 1.8;
    color: #546E7A;
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
    margin-bottom: 25px;
    background-color: #F1F8FB;
    padding: 20px;
    border-radius: 10px;
}

.product-features li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: #455A64;
    font-size: 15px;
    line-height: 1.6;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #66BB6A;
    font-weight: bold;
    font-size: 18px;
}

/* 客户案例展示 - 医院风格 */
.clients-showcase {
    padding: 60px 20px;
    background: linear-gradient(135deg, #E8F5F7 0%, #C8E6C9 100%);
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #546E7A;
    margin-bottom: 40px;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.client-logo {
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F9FF 100%);
    padding: 35px 25px;
    text-align: center;
    border-radius: 12px;
    box-shadow: 0 3px 12px rgba(2, 136, 209, 0.15);
    font-size: 16px;
    color: #0277BD;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 2px solid #E1F5FE;
}

.client-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(2, 136, 209, 0.25);
    background: linear-gradient(135deg, #E1F5FE 0%, #C8E6C9 100%);
    border-color: #81D4FA;
}

.clients-stats {
    display: flex;
    justify-content: space-around;
    margin: 50px 0;
    flex-wrap: wrap;
    background-color: #fff;
    padding: 40px 20px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(2, 136, 209, 0.1);
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-item h3 {
    font-size: 48px;
    color: #0288D1;
    margin-bottom: 10px;
    font-weight: bold;
}

.stat-item p {
    font-size: 18px;
    color: #546E7A;
    font-weight: 500;
}

.clients-showcase .btn-secondary {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

/* 底部样式 - 医院风格 */
.footer {
    background: linear-gradient(135deg, #0277BD 0%, #01579B 100%);
    color: #E1F5FE;
    padding: 50px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #fff;
    font-weight: bold;
}

.footer-section p {
    margin-bottom: 12px;
    color: #B3E5FC;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #B3E5FC;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 5px;
    color: #B3E5FC;
}

.footer-bottom a {
    color: #81D4FA;
    text-decoration: none;
}

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

/* 产品详情页样式 */
.product-detail {
    padding: 60px 20px;
    background-color: #F5F9FA;
}

.product-header {
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(135deg, #FFFFFF 0%, #E8F5F7 100%);
    padding: 50px 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(2, 136, 209, 0.1);
}

.product-header h1 {
    font-size: 38px;
    margin-bottom: 20px;
    color: #0277BD;
    font-weight: bold;
}

.product-header p {
    font-size: 20px;
    color: #546E7A;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.product-section {
    margin-bottom: 50px;
    background-color: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(2, 136, 209, 0.1);
}

.product-section h2 {
    font-size: 28px;
    margin-bottom: 25px;
    color: #0277BD;
    border-left: 5px solid #4FC3F7;
    padding-left: 20px;
    font-weight: bold;
}

.product-section h3 {
    font-size: 22px;
    margin: 25px 0 15px;
    color: #0288D1;
    font-weight: bold;
}

.product-section p {
    font-size: 17px;
    line-height: 2;
    color: #546E7A;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    margin: 20px 0;
    background-color: #F1F8FB;
    padding: 25px;
    border-radius: 10px;
}

.feature-list li {
    padding: 15px 0;
    padding-left: 40px;
    position: relative;
    font-size: 17px;
    color: #455A64;
    border-bottom: 1px solid #E1F5FE;
    line-height: 1.8;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: #66BB6A;
    font-size: 24px;
    top: 15px;
}

.product-screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.screenshot-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(2, 136, 209, 0.15);
    border: 3px solid #E1F5FE;
    transition: all 0.3s ease;
}

.screenshot-item:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(2, 136, 209, 0.25);
    border-color: #81D4FA;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* 关于我们页面 */
.about-page {
    padding: 60px 20px;
    background-color: #F5F9FA;
}

.about-intro {
    max-width: 900px;
    margin: 0 auto 60px;
    text-align: center;
    background-color: #fff;
    padding: 50px 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(2, 136, 209, 0.1);
}

.about-intro p {
    font-size: 17px;
    line-height: 2;
    color: #546E7A;
    margin-bottom: 20px;
    text-align: justify;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.value-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F9FF 100%);
    padding: 35px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(2, 136, 209, 0.15);
    border: 2px solid #E1F5FE;
}

.value-card:hover {
    background: linear-gradient(135deg, #E1F5FE 0%, #C8E6C9 100%);
    transform: translateY(-8px);
    box-shadow: 0 6px 25px rgba(2, 136, 209, 0.25);
    border-color: #81D4FA;
}

.value-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #0277BD;
    font-weight: bold;
}

.value-card p {
    font-size: 16px;
    color: #546E7A;
    line-height: 1.8;
}

/* 联系我们页面 */
.contact-page {
    padding: 60px 20px;
    background-color: #F5F9FA;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    background-color: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(2, 136, 209, 0.1);
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: #0277BD;
    font-weight: bold;
}

.contact-info p {
    font-size: 16px;
    line-height: 2;
    color: #546E7A;
    margin-bottom: 15px;
}

.contact-form {
    background-color: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(2, 136, 209, 0.1);
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: #0277BD;
    font-weight: bold;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
    color: #455A64;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #E1F5FE;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
    background-color: #F5F9FA;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #4FC3F7;
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.1);
}

/* 客户案例页面 */
.clients-page {
    padding: 60px 20px;
    background-color: #F5F9FA;
}

.clients-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.client-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F9FF 100%);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(2, 136, 209, 0.15);
    padding: 35px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid #E1F5FE;
}

.client-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(2, 136, 209, 0.25);
    background: linear-gradient(135deg, #E1F5FE 0%, #C8E6C9 100%);
    border-color: #81D4FA;
}

.client-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #0277BD;
    font-weight: bold;
}

.client-card p {
    font-size: 15px;
    color: #546E7A;
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav ul {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .section-title {
        font-size: 26px;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .clients-stats {
        flex-direction: column;
    }

    .stat-item h3 {
        font-size: 36px;
    }
}