/* 基础重置和字体设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    /*   background-color: #f8f9fa;   若为灰色底，则网站总体页头logo就显示不正常了，因此仍然维持原来styles中定义的白色背景色*/
}

/* 链接样式 */
a {
    color: #1a73e8;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0d5bbc;
}

/* 容器设置 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.container h1 {
    font-size: 2.5rem;
}

.container h2 {
    font-size: 2rem;
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.container h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #1a3b8b, #0a6cbd);
}

.container h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
}

.container h4 {
    font-size: 1.25rem;
}

/* 导航样式 */
.navnew {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    margin-bottom: 0px;
    position: sticky;
    top: 0px;
    z-index: 1000;
}
.navnew ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 10px;
    justify-content: right;   /*justify-content: center;*/
}
.navnew li {
    margin: 5px 12px;
}
.navnew a {
    font-size: 1rem;
    color: #4a5568;
    font-weight: 500;

    text-decoration: none;
    /*color: #555;*/
    padding: 6px 15px;
    border-radius: 4px;
    /*font-size: 15px;*/
    transition: all 0.3s;
}
.navnew a:hover, .navnew a.active {
    background: #e6f2f8;
    color: #2c7fb8;
}
.navmodule {
        display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    /*   border-radius: 10px;
       box-shadow: 0 3px 10px rgba(0,0,0,0.05); */
    padding: 10px;/* 原来30px,导航后就会遮挡标题文字 */
    margin-bottom: 0px;
}
.navnew-brand{
    font-size: 1.7rem;
/*    color:#165DFF;*/
color: #2c3e50;
    font-weight: 600;
    padding: 4px 20px;
    position: relative;
    flex: 1;
    min-width: 300px;
}
.navnew-bar{
       flex: 1;
    min-width: 300px;
}
/* 导航栏-old 不用*/
/*nav {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}*/

/*.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}*/

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a3b8b;
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}



/* 不用
.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    font-size: 1rem;
    color: #4a5568;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a:hover {
    color: #1a3b8b;
}

.nav-links a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #1a3b8b;
    transition: width 0.3s ease;
}

.nav-links a:hover:after {
    width: 100%;
}

.nav-button {
    background: linear-gradient(135deg, #1a3b8b 0%, #0a6cbd 100%);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.nav-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}*/

/* 核心板块样式 */
.module {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 0px 18px rgba(0,0,0,0.12);   /* box-shadow: 0 3px 10px rgba(0,0,0,0.05);*/
    padding: 30px;
    margin-bottom: 35px;
}
/* 英雄区域 */
.hero-section {
    background: linear-gradient(135deg, #1a3b8b 0%, #0a6cbd 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    line-height: 1.2;
}

.hero-section .subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.primary-button, .secondary-button {
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-button {
    background-color: white;
    color: #1a3b8b;
    border: 2px solid white;
}

.primary-button:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.secondary-button {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.secondary-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.product-image {
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.product-image img {
    max-width: 80%;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.product-image img:hover {
    transform: translateY(-5px);
}


/* 核心价值区域 */
.core-value {
    padding: 5rem 0;
    background-color: white;
}

.section-title {
    text-align: left;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
}

/*.section-title p {
    color: #6b7280;
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}*/

.section-title  p {
    color: #6b7280;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}
.value-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    text-align: center;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: #d1d5db;
}

.value-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #1a3b8b;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1a3b8b;
}

.value-card p {
    color: #6b7280;
    font-size: 1rem;
    line-height: 1.6;
}


/* 功能体系区域 */
.feature-system {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: center;
}

.feature-content, .feature-image {
    flex: 1;
    min-width: 300px;
}

.feature-content h3 {
    font-size: 1.8rem;
    color: #1a3b8b;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.feature-content h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #1a3b8b, #0a6cbd);
}

.feature-content ul {
    list-style: none;
    margin-top: 1.5rem;
}

.feature-content li {
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-left: 1.8rem;
    position: relative;
    color: #4b5563;
}

.feature-content li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.feature-image img {
    width: 100%;
    border-radius: 8px;
    /*    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);*/
    transition: transform 0.3s ease;
}

.feature-image img:hover {
    transform: scale(1.02);
}

/* 表格样式 */
.specs-table {
    margin: 2rem 0;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}

th, td {
    padding: 1rem;
    text-align: left;
    border: 1px solid #e5e7eb;
}

th {
    background-color: #f3f4f6;
    font-weight: 600;
    color: #1a3b8b;
}

tr:nth-child(even) {
    background-color: #f9fafb;
}

tr:hover {
    background-color: #f0f4f8;
}


/* 应用场景区域 */
.scenario-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));   /*minmax(300px, 1fr) */
    gap: 2rem;
    margin-top: 3rem;
}

.scenario-card {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.scenario-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #1a3b8b;
}

.scenario-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #1a3b8b;

    font-weight: 600;
    /*    line-height: 1.2;
        margin-bottom: 1rem;  */
    /*color: #2c3e50;*/
}

.scenario-card p {
    color: #6b7280;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.scenario-card ul {
    list-style: none;
    margin-top: 1rem;
}

.scenario-card li {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    color: #4b5563;
}

.scenario-card li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #1a3b8b;
    font-weight: bold;
}

.hardware p {
    color: #6b7280;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}
.advantage-item p {
    color: #6b7280;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}
.advantage-item h3 {
    font-size: 1.8rem;
    color: #1a3b8b;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.hardware-showcase {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: center;
}

.hardware-image {
    flex: 1;
    min-width: 300px;
    margin-left: 12.5rem;
}

.hardware-showcase img {
    width: 30%;
    border-radius: 8px;
    /*    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);*/
    transition: transform 0.3s ease;
}

.hardware-showcase img:hover {
    transform: scale(1.02);
}

/* 页脚区域 */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.company-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.company-info p {
    color: #d1d5db;
    margin-bottom: 1rem;
}

.company-info address {
    font-style: normal;
    color: #d1d5db;
    line-height: 1.6;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid #4b5563;
    border-radius: 5px;
    background-color: #374151;
    color: white;
}

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

.contact-form button {
    background: linear-gradient(135deg, #1a3b8b 0%, #0a6cbd 100%);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-form button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.copyright {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #4b5563;
    color: #9ca3af;
    font-size: 0.9rem;
}


/* 响应式设计 */
@media (max-width: 992px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }

    .feature-system {
        flex-direction: column;
    }

    .feature-content, .feature-image {
        flex: none;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .navnew ul {
        overflow-x: auto;
        justify-content: flex-start;
        padding: 10px;
        white-space: nowrap;
    }

    .nav-links {
        display: none;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .primary-button, .secondary-button {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 4rem 0;
    }

    .hero-section h1 {
        font-size: 1.8rem;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .value-cards, .scenario-cards {
        grid-template-columns: 1fr;
    }
}


/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}