/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 代码签名证书样式 */
/* 应用场景样式 */
.use-cases {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.use-case-item {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.use-case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.use-case-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #0066cc;
}

.use-case-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.use-case-item p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.key-requirement {
    margin-top: 15px;
    font-weight: 500;
    color: #0066cc;
}

/* 业务价值样式 */
.business-value {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 80px 0;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.value-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.value-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #0066cc;
}

.value-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.value-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.value-stat {
    margin-top: 20px;
    font-weight: 600;
    color: #0066cc;
}

.step-item {
    flex: 1;
    min-width: 180px;
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin: 0 10px 20px 10px;
    position: relative;
    z-index: 1;
}

.step-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: #0066cc;
    color: white;
    border-radius: 50%;
    line-height: 40px;
    font-weight: 600;
    margin-bottom: 15px;
}

.step-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.step-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.step-arrow {
    position: absolute;
    top: 50%;
    right: -25px;
    transform: translateY(-50%);
    color: #0066cc;
    font-size: 24px;
}

/* FAQ样式 */
.faq-section {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.faq-container {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin-top: 30px;
}

.faq-item {
    border-bottom: 1px solid #eee;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #fafafa;
    cursor: pointer;
    transition: background-color 0.3s;
}

.faq-question:hover {
    background-color: #f0f0f0;
}

.faq-question span:first-child {
    font-weight: 600;
    color: #333;
}

.faq-icon {
    color: #0066cc;
    font-size: 20px;
    transition: transform 0.3s;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: white;
}

.faq-answer p {
    padding: 20px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 相关产品样式 */
.related-products {
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.product-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.product-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #0066cc;
}

.product-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.product-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.product-price {
    font-weight: 600;
    color: #0066cc;
    margin-bottom: 20px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .spec-label {
        width: 40%;
    }
    
    .spec-value {
        width: 60%;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* 横幅公告样式 */
.banner-notification {
    background-color: #0066cc;
    color: white;
    padding: 15px 0;
    position: relative;
    z-index: 1000;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

/* 增强各部分之间的间距，提升视觉层次感 */
.why-us,
.testimonials,
.faq-section {
    margin-top: 40px;
}

/* 优化标题样式，增加精致感 */
.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 40px;
    padding-bottom: 15px;
    font-size: 2rem;
    font-weight: 700;
    color: #333;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #0066cc, #0099ff);
    border-radius: 2px;
}

.banner-content p {
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
    flex: 1;
}

.banner-content a {
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.banner-content a:hover {
    opacity: 0.8;
}

.close-banner {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
    margin-left: 20px;
}

.close-banner:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.close-banner img {
    width: 16px;
    height: 16px;
    color: white;
    filter: brightness(0) invert(1);
}

/* 响应式横幅公告 */
@media (max-width: 768px) {
    .banner-notification {
        padding: 10px 0;
    }
    
    .banner-content p {
        font-size: 0.9rem;
    }
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Helvetica Neue', Arial, 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    position: relative;
    /* 平滑滚动 */
    scroll-behavior: smooth;
}

/* 防止移动端菜单打开时页面滚动 */
body.menu-open {
    overflow: hidden;
}

/* 通用过渡效果 */
a,
.btn,
.feature-card,
.product-card,
.step-item,
.testimonial-item,
.faq-item,
.brand-item {
    transition: all 0.3s ease-in-out;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* 链接样式 */
a {
    color: #0066cc;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #004d99;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: #2c3e50;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.btn-primary {
    background-color: #0066cc;
    color: white;
}

.btn-primary:hover {
    background-color: #004d99;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 102, 204, 0.2);
}

.btn-outline:hover {
    background-color: #0066cc;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 102, 204, 0.2);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid #0066cc;
    color: #0066cc;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* 顶部栏样式 */
.top-bar {
    background-color: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    padding: 10px 0;
}

.top-icon {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    vertical-align: middle;
}

.top-bar-content {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.top-links {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* 头部导航样式 */
.header {
    transition: all 0.3s ease;
}

.header.nav-scrolled {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.main-nav {
    background-color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    width: 100%;
    flex-wrap: nowrap;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text {
    color: #0066cc;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text .icon {
    width: 24px;
    height: 24px;
    vertical-align: middle;
    margin-right: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 15px;
    align-items: center;
}

.nav-item {
    position: relative;
    padding: 10px 15px;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.nav-item:hover {
    background-color: rgba(0, 102, 204, 0.1);
}

.nav-link {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    display: block;
    position: relative;
    padding: 8px 0;
}

.nav-link:hover {
    color: #0066cc;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #0066cc;
    transition: width 0.3s ease;
}

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

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    padding: 10px 0;
    min-width: 200px;
    display: none;
    z-index: 999;
    list-style: none;
    margin: 0;
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    color: #333;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background-color: #f8f9fa;
    color: #0066cc;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.notification-link,
.cart-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: #333;
    transition: color 0.3s ease;
    font-size: 1.2rem;
}

.notification-link:hover,
.cart-link:hover {
    color: #0066cc;
}

.notification-badge,
.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #ff4757;
    color: white;
    font-size: 12px;
    font-weight: bold;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
}

/* 移动端菜单样式 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn img,
.mobile-menu-close img {
    width: 24px;
    height: 24px;
    color: #333;
}

.mobile-menu-close {
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    cursor: pointer;
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 1002;
}

.mobile-menu {
    display: none;
    background-color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    padding: 20px;
    overflow-y: auto;
    transform: translateX(0);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #333;
    z-index: 1001;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-close:hover {
    color: #0066cc;
}

.mobile-nav-menu {
    list-style: none;
    margin-top: 50px;
}

.mobile-nav-link {
    display: block;
    padding: 15px 0;
    color: #333;
    font-size: 1.1rem;
    border-bottom: 1px solid #f0f0f0;
    transition: color 0.3s ease;
}

.mobile-nav-link:hover {
    color: #0066cc;
}

.mobile-dropdown {
    list-style: none;
    padding-left: 20px;
    display: none;
}

.mobile-dropdown.active {
    display: block;
}

.mobile-nav-divider {
    height: 1px;
    background-color: #e9ecef;
    margin: 20px 0;
}

/* 英雄区域样式 */
.hero-section {
    background: linear-gradient(135deg, #0066cc 0%, #004d99 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-content {
    max-width: 90%;
    margin: 0 auto;
}

.hero-content h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 品牌区域样式 */
.brands-section {
    background-color: white;
    padding: 60px 0;
    text-align: center;
}



.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    align-items: center;
}

.brand-item {
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.brand-item i {
    color: #0066cc;
    font-size: 1.5rem;
}

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

/* 证书类型样式 */
.certificate-types {
    background-color: #f8f9fa;
    padding: 60px 0;
}

.certificate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
    width: 100%;
}

.certificate-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.certificate-icon {
    margin-bottom: 20px;
}

.cert-icon {
    width: 48px;
    height: 48px;
    color: #0066cc;
}

.certificate-card h3 {
    margin-bottom: 15px;
}

.certificate-card p {
    margin-bottom: 20px;
    color: #666;
}

/* 为什么选择我们样式 */
.why-us {
    background-color: white;
    padding: 60px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

.feature-icon {
    margin-bottom: 20px;
}

.feature-img {
    width: 40px;
    height: 40px;
    color: #0066cc;
    display: block;
    margin: 0 auto;
}

/* 客户评价样式 */
.testimonials {
    background-color: #f8f9fa;
    padding: 60px 0;
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.author-name {
    font-weight: 600;
    margin-bottom: 5px;
}

.author-company {
    color: #666;
    font-size: 0.9rem;
}

/* 热门产品样式 */
.popular-products {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

/* 桌面端保证每行4个 */
@media (min-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.product-card {
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f0f0f0;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 102, 204, 0.15);
}

.product-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.product-card h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.product-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-price {
    font-size: 1.4rem;
    font-weight: bold;
    color: #0066cc;
    margin-bottom: 20px;
}

/* 证书选购样式 */
.certificate-selection {
    padding: 60px 0;
    background-color: white;
}

.selection-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.step-item {
    position: relative;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 8px;
    text-align: center;
    transition: background-color 0.3s ease;
}

.step-item:hover {
    background-color: #e9ecef;
}

.step-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background-color: #0066cc;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 50px;
    border-radius: 50%;
    margin-bottom: 20px;
}

.step-item h3 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
}

.step-item p {
    color: #666;
    line-height: 1.6;
}

/* 功能介绍样式 */
.features-intro {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 102, 204, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    fill: #0066cc;
    /* 确保SVG图标正确显示 */
    display: block;
    margin-left: auto;
    margin-right: auto;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 产品价值样式 */
.product-value {
    padding: 80px 0;
    background-color: #fafafa;
}

.value-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-item {
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.value-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
    object-fit: contain;
}

.value-item h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.value-item p {
    color: #666;
    line-height: 1.8;
    font-size: 0.95rem;
}

.product-series .products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* 单域名TLS证书页面样式 */
.product-hero {
    background: linear-gradient(135deg, #0066cc 0%, #004080 100%);
    color: white;
    padding: 80px 0;
}

.product-hero-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.product-info {
    flex: 1;
    min-width: 300px;
}

.product-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.product-subtitle {
    font-size: 1.25rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
    opacity: 0.95;
}

.product-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 30px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.95rem;
}

.highlight-item i {
    color: #4ade80;
}

.product-price-card {
    flex: 1;
    min-width: 320px;
    background: white;
    color: #333;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.price-card-header {
    background: #f8fafc;
    padding: 25px;
    border-bottom: 1px solid #e2e8f0;
}

.current-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0066cc;
    margin-bottom: 5px;
}

.price-unit {
    font-size: 1rem;
    font-weight: 400;
}

.original-price {
    font-size: 1rem;
    color: #94a3b8;
    text-decoration: line-through;
}

.price-card-body {
    padding: 25px;
}

.price-features {
    list-style: none;
    padding: 0;
}

.price-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.price-features i {
    color: #10b981;
    font-size: 1.1rem;
}

.price-card-footer {
    padding: 0 25px 25px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-block {
    width: 100%;
}

/* 产品特点样式 */
.product-features {
    padding: 80px 0;
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e6f0ff;
    border-radius: 50%;
    color: #0066cc;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* 技术规格样式 */
.technical-specs {
    padding: 80px 0;
    background: white;
}

/* 网格布局的技术规格样式 */
.specs-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 40px auto 0;
}

.spec-item {
    background: #f8fafc;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.spec-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0066cc, #40a9ff);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.spec-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 102, 204, 0.1);
    border-color: #0066cc;
    background: white;
}

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

.spec-item h3 {
    color: #0066cc;
    font-size: 1.25rem;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.spec-item p {
    color: #64748b;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.specs-table {
    width: 100%;
    max-width: 700px;
    margin: 40px auto 0;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.spec-row {
    display: flex;
    padding: 15px 20px;
    border-bottom: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.spec-row::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: #0066cc;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.spec-row:hover {
    background-color: #f8fafc;
    padding-left: 25px;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.1);
}

.spec-row:hover::before {
    transform: translateX(0);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    flex: 0 0 30%;
    font-weight: 600;
    color: #475569;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.spec-row:hover .spec-label {
    color: #0066cc;
}

.spec-value {
    flex: 1;
    color: #1e293b;
    font-size: 0.95rem;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.spec-row:hover .spec-value {
    color: #0f172a;
}

/* 适用场景样式 */
.use-cases {
    padding: 80px 0;
    background: #f0f4f8;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.use-case-item {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease;
}

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

.use-case-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #eef2ff;
    border-radius: 50%;
    color: #4f46e5;
}

.use-case-item h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: #1e293b;
}

.use-case-item p {
    color: #64748b;
}

/* 安装步骤样式 */
.installation-steps {
    padding: 80px 0;
    background: white;
}

.steps-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    margin-top: 40px;
    position: relative;
    gap: 15px;
    padding: 10px 0;
}

.step-item {
    flex: 0 0 calc(16.666% - 15px);
    text-align: center;
    position: relative;
    min-width: 120px;
    padding: 10px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: #0066cc;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 15px;
}

.step-item h3 {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: #1e293b;
}

.step-item p {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.5;
}

.step-arrow {
    display: none;
}

/* 相关推荐样式 */
.related-products {
    padding: 80px 0;
    background: #f8fafc;
}

/* 桌面端强制一行三个 */
@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 多域名保护示例样式 */
.domain-examples {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 3rem 0;
}

.domains-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0;
    justify-content: center;
}

.domain-item {
    background: white;
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #1a73e8;
    display: flex;
    align-items: center;
    min-width: 200px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.domain-item::before {
    content: '🔒';
    margin-right: 0.8rem;
    color: #1a73e8;
    font-size: 1.2rem;
}

.domain-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
    border-left-color: #1557b0;
}

.domain-item:hover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 115, 232, 0.05);
    animation: pulse 1s ease-in-out;
}

@keyframes pulse {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

.domain-note {
    text-align: center;
    font-style: italic;
    color: #666;
    margin-top: 1rem;
    background: rgba(255, 255, 255, 0.8);
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

/* IP证书应用示例样式 */
.ip-examples {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0;
    color: #fff;
}

.ip-examples .section-title {
    color: #fff;
    margin-bottom: 40px;
    text-align: center;
}

.ip-examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.ip-example-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 25px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ip-example-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.15);
}

.example-icon {
    font-size: 40px;
    margin-bottom: 20px;
    color: #4CAF50;
}

.ip-example-card h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.ip-example-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

.example-url {
    font-family: 'Courier New', monospace;
    background: rgba(0, 0, 0, 0.2);
    color: #4CAF50;
    padding: 12px 15px;
    border-radius: 6px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.example-url::before {
    content: '🔒';
    margin-right: 8px;
}

.example-url::after {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.ip-example-card:hover .example-url::after {
    left: 100%;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .domains-list {
        flex-direction: column;
        align-items: center;
    }
    
    .domain-item {
        width: 100%;
        max-width: 300px;
    }
}

/* 通配符保护示例样式 */
.wildcard-showcase {
    margin: 3rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.wildcard-main {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.wildcard-main::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 48%, rgba(255, 255, 255, 0.1) 49%, rgba(255, 255, 255, 0.1) 51%, transparent 52%);
    animation: shine 3s infinite linear;
}

@keyframes shine {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.wildcard-header {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.wildcard-star {
    color: #ffeb3b;
    font-size: 2.2rem;
    text-shadow: 0 0 10px rgba(255, 235, 59, 0.5);
    animation: pulseStar 2s infinite alternate;
}

@keyframes pulseStar {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.wildcard-description {
    font-size: 1rem;
    opacity: 0.9;
}

.domains-tree {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.domain-branch {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    position: relative;
    padding: 2rem;
}

.domain-branch::before {
    content: '';
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 2rem;
    background: #1a73e8;
}

.domain-branch .domain-item {
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-left: 3px solid #4caf50;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    position: relative;
    min-width: 180px;
}

.domain-branch .domain-item::before {
    content: '✓';
    color: #4caf50;
    font-weight: bold;
    margin-right: 0.8rem;
    font-size: 1.2rem;
}

.domain-branch .domain-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    background: #f8f9fa;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .wildcard-header {
        font-size: 1.5rem;
    }
    
    .domain-branch {
        flex-direction: column;
        align-items: center;
    }
    
    .domain-branch::before {
        width: 2rem;
        height: 4px;
        top: 50%;
        left: -1rem;
        transform: translateY(-50%);
    }
    
    .domain-branch .domain-item {
        width: 100%;
        max-width: 280px;
    }
}

/* 响应式设计 */
@media (max-width: 991px) and (min-width: 769px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-hero {
        padding: 60px 0;
    }
    
    .product-title {
        font-size: 2rem;
    }
    
    .product-subtitle {
        font-size: 1.1rem;
    }
    
    .product-highlights {
        justify-content: center;
    }
    
    .step-item {
        flex: 0 0 calc(50% - 20px);
        margin-bottom: 30px;
    }
    
    .steps-container .step-item:nth-child(5n) {
        margin-bottom: 0;
    }
    
    .spec-row {
        flex-direction: column;
        gap: 10px;
    }
    
    .spec-label {
        font-weight: 700;
    }
    
    .use-cases-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .product-hero {
        padding: 40px 0;
    }
    
    .product-title {
        font-size: 1.75rem;
    }
    
    .current-price {
        font-size: 2rem;
    }
    
    .step-item {
        flex: 0 0 100%;
    }
    
    .step-arrow {
        display: none;
    }
}

/* 证书比较页面样式 */
.certificate-comparison {
    background-color: #f5f7fa;
    padding: 40px 0;
    border-radius: 8px;
    margin: 40px 0;
    border: 1px solid #e0e6ed;
}

.certificate-comparison p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    text-align: left;
}

.certificate-comparison ul {
    list-style: none;
    padding: 0;
    max-width: 600px;
    margin: 0;
}

.certificate-comparison li {
    margin: 10px 0;
    padding-left: 25px;
    position: relative;
    text-align: left;
}

.cert-type-badge {
    display: inline-block;
    padding: 6px 12px;
    margin: 10px 0;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
}

/* 证书类型切换按钮样式 */
.certificate-tabs {
    display: flex;
    margin: 30px 0;
    justify-content: center;
}

.tab-btn {
    background-color: #f0f7ff;
    color: #1a73e8;
    border: 1px solid #d2e3fc;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    margin: 0 5px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    outline: none;
}

.tab-btn:hover {
    background-color: #e1f0fe;
    border-color: #a8d1ff;
}

.tab-btn.active {
    background-color: #1a73e8;
    color: #fff;
    border-color: #1a73e8;
}

/* 确保按钮在移动端正常显示 */
@media (max-width: 768px) {
    .certificate-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        margin: 5px;
        flex: 1 1 calc(50% - 10px);
        text-align: center;
    }
}

/* 为不同类型的证书添加不同颜色的标签 */
.product-card:nth-child(1) .cert-type-badge {
    background-color: #0066cc;
}

.product-card:nth-child(2) .cert-type-badge {
    background-color: #28a745;
}

.product-card:nth-child(3) .cert-type-badge {
    background-color: #dc3545;
}

/* 常见问题样式 */
.faq-section {
    margin-top: 40px;
    background-color: #fff;
    padding: 40px 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-question span:first-child {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 600;
    color: #333;
    flex: 1;
    padding-right: 15px;
}

.faq-icon {
    width: 24px;
    height: 24px;
    color: #0066cc;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 20px;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 20px 20px;
}

.faq-answer p {
    margin: 0;
    padding: 15px 0;
    color: #666;
    line-height: 1.6;
}

/* 页脚样式 */
.footer {
    background-color: #0a0a0a;
    color: white;
    padding: 60px 0 30px;
    margin-top: 0;
}

/* 修复底部空白问题 */
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* 证书类型切换 */
.certificate-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.tab-btn {
    padding: 10px 20px;
    border: 1px solid #ddd;
    background-color: #f8f9fa;
    color: #333;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.tab-btn:hover {
    background-color: #e9ecef;
    border-color: #1a73e8;
}

.tab-btn.active {
    background-color: #1a73e8;
    color: white;
    border-color: #1a73e8;
}

/* 产品容器 */
.products-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

/* 响应式样式 */
@media (max-width: 1200px) {
    .products-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .products-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .detail-label {
        flex: 0 0 80px;
        font-size: 12px;
        color: #666;
    }
    
    .detail-value {
        font-size: 12px;
        color: #333;
    }
}

/* 产品项 */
.product-item {
    display: flex;
    flex-direction: column;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    background-color: #ffffff;
    height: 100%;
}

.product-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 产品头部 */
.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background-color: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

.product-name h3 {
    margin: 0 0 5px 0;
    font-size: 16px;
    color: #333;
    font-weight: 600;
    line-height: 1.3;
}

/* 证书类型标签 */
.cert-type-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: 500;
}

.cert-type-badge[class*="DV"] {
    background-color: #e3f2fd;
    color: #1976d2;
}

.cert-type-badge[class*="OV"] {
    background-color: #e8f5e9;
    color: #388e3c;
}

.cert-type-badge[class*="EV"] {
    background-color: #fff3e0;
    color: #f57c00;
}

/* 产品价格 */
.product-price {
    font-size: 20px;
    font-weight: bold;
    color: #d32f2f;
}

/* 产品详情 */
.product-details {
    padding: 15px;
    flex-grow: 1;
}

.detail-row {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 8px;
    font-size: 13px;
    line-height: 1.4;
}

.detail-label {
    flex: 0 0 90px;
    font-weight: 600;
    color: #666;
    margin-right: 5px;
}

.detail-value {
    flex: 1;
    color: #333;
    min-width: 0;
}

/* 产品操作按钮 */
.product-actions {
    padding: 0 15px 15px;
    text-align: center;
    margin-top: auto;
}

.product-actions .btn-primary {
    display: block;
    width: 100%;
    padding: 10px 0;
    font-size: 14px;
    font-weight: 500;
    border-radius: 4px;
    text-decoration: none;
    text-align: center;
}

/* 证书标签样式 */
.certificate-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    background-color: #f1f1f1;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.tab-btn:hover {
    background-color: #e0e0e0;
}

.tab-btn.active {
    background-color: #007bff;
    color: white;
}

/* 证书标签内容 */
.cert-tab-content {
    transition: all 0.3s ease;
}

/* 证书标签内容 */
.cert-tab-content {
    transition: opacity 0.3s ease;
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-contact h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

.footer-contact li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
}

.brand-item .brand-icon {
    width: 18px;
    height: 18px;
    margin-right: 10px;
    vertical-align: middle;
}

.footer-icon {
    width: 16px;
    height: 16px;
    margin-right: 10px;
    vertical-align: middle;
}

.social-icon {
    width: 20px;
    height: 20px;
    color: #666;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background-color: #0066cc;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

/* Sectigo品牌页面样式 */
.brand-hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 60px 0;
    text-align: center;
}

.brand-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.sectigo-logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 20px;
}

.brand-title {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 10px;
}

.brand-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 20px;
}

.brand-description {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.6;
    margin-bottom: 30px;
}

.brand-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0066cc;
    margin-bottom: 5px;
}

.stat-label {
    display: block;
    color: #666;
}

.brand-features {
    padding: 60px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.brand-advantages {
    background-color: #f8f9fa;
    padding: 60px 0;
}

.advantages-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advantage-item {
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.1);
}

.advantage-item h3 {
    color: #0066cc;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.case-studies {
    padding: 60px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case-item {
    display: flex;
    align-items: flex-start;
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.case-icon {
    margin-right: 20px;
}

.case-icon img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.case-content h4 {
    color: #0066cc;
    margin-bottom: 10px;
}

.brand-partners {
    background-color: #f8f9fa;
    padding: 60px 0;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    text-align: center;
}

.partner-item img {
    max-width: 80%;
    height: auto;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.partner-item:hover img {
    opacity: 1;
}

.contact-section {
    padding: 60px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

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

.contact-icon {
    margin-right: 20px;
    background-color: #0066cc;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-icon img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

.contact-details h4 {
    margin-bottom: 5px;
    color: #333;
}

.contact-details p {
    color: #666;
    margin: 0;
}

.contact-form {
    background-color: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066cc;
}

.product-series {
    padding: 60px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .brand-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .advantages-content,
    .cases-grid {
        grid-template-columns: 1fr;
    }
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.7);
}

.footer-terms {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-terms a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-terms a:hover {
    color: white;
}

/* 通知页面样式 */
.notification-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.notification-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.notification-list {
    padding: 20px;
}

.notification-item {
    display: flex;
    padding: 20px;
    border-bottom: 1px solid #eee;
    transition: background-color 0.3s ease;
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-item:hover {
    background-color: #f8f9fa;
}

.notification-item.unread {
    background-color: #e8f0fe;
}

.notification-icon {
    margin-right: 20px;
    flex-shrink: 0;
}

.notification-icon .icon {
    width: 32px;
    height: 32px;
    color: #0066cc;
}

.notification-content {
    flex: 1;
}

.notification-content h3 {
    margin-bottom: 8px;
    font-size: 1.1rem;
    font-weight: 600;
}

.notification-content p {
    margin-bottom: 8px;
    color: #666;
    line-height: 1.5;
}

.notification-time {
    font-size: 0.875rem;
    color: #999;
}

/* 弹性保护方案展示样式 */
.flexible-solutions {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.flexible-solutions::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 10% 20%, rgba(67, 170, 255, 0.05) 0%, transparent 20%),
                      radial-gradient(circle at 90% 80%, rgba(67, 170, 255, 0.05) 0%, transparent 20%);
    z-index: 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.solution-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #43a0ff, #0066cc);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.solution-header {
    margin-bottom: 20px;
    text-align: center;
}

.solution-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.solution-card h3 {
        font-size: 22px;
        font-weight: 600;
        color: #2c3e50;
        margin: 0;
        text-align: center;
    }
    
    .section-description {
        text-align: center;
        margin-bottom: 60px;
        font-size: 18px;
        color: #666;
        line-height: 1.6;
    }

.solution-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.solution-content li {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    transition: all 0.2s ease;
}

.solution-content li:last-child {
    border-bottom: none;
}

.solution-content li:hover {
    background: rgba(67, 170, 255, 0.05);
    padding-left: 10px;
    border-radius: 8px;
}

.solution-content li span:first-child {
    color: #4CAF50;
    font-size: 18px;
    margin-right: 12px;
}

.solution-content li span:last-child {
    font-size: 16px;
    color: #555;
    font-family: 'Courier New', monospace;
    background: rgba(238, 238, 238, 0.5);
    padding: 3px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.solution-content li:hover span:last-child {
    background: rgba(67, 170, 255, 0.1);
    color: #0066cc;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-content {
        max-width: 90%;
    }
    
    .nav-menu {
        gap: 5px;
    }
    
    .nav-item {
        padding: 10px 10px;
        font-size: 0.95rem;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }
    
    /* 确保移动菜单正确显示 */
    .mobile-menu {
        display: none;
    }
    
    .mobile-menu.active {
        display: block;
    }
    
    /* 修复移动端导航链接样式 */
    .mobile-nav-link {
        padding: 15px;
        display: block;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 280px;
        text-align: center;
        margin-bottom: 10px;
    }
    
    .brands-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 20px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-terms a {
        margin: 0 8px;
        display: inline-block;
        margin-bottom: 5px;
    }
    
    /* 修复证书卡片在移动端的显示 */
    .certificate-card {
        padding: 1.5rem;
    }
    
    .certificate-price .price {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 1.6rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
        line-height: 1.5;
    }
    
    .hero-section {
        padding: 60px 0 40px;
    }
    
    .certificate-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .footer-social {
        justify-content: center;
        gap: 10px;
    }
    
    .footer-contact li {
        justify-content: center;
        text-align: left;
    }
    
    /* 修复表单元素在移动端的显示 */
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    /* 修复按钮在移动端的大小 */
    .btn-primary,
    .btn-secondary {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    /* 修复移动端表格显示 */
    .comparison-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* OCSP介绍样式 */
.ocsp-intro {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.ocsp-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.ocsp-info, .ocsp-importance {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.ocsp-info h3, .ocsp-importance h3 {
    color: #0066cc;
    font-size: 22px;
    margin-bottom: 20px;
}

.ocsp-info ul li, .ocsp-importance ul li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    line-height: 1.6;
}

.ocsp-info ul li:last-child, .ocsp-importance ul li:last-child {
    margin-bottom: 0;
}

/* 性能对比样式 */
.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-radius: 12px;
    overflow: hidden;
}

.comparison-table th, .comparison-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.comparison-table thead tr {
    background: linear-gradient(135deg, #43a0ff 0%, #0066cc 100%);
    color: white;
}

.comparison-table tbody tr td:nth-child(3),
.comparison-table tbody tr td:nth-child(4) {
    font-weight: 500;
}

.comparison-table tbody tr td:nth-child(3) {
    color: #4CAF50;
}

.comparison-table tbody tr td:nth-child(4) {
    color: #ff6b00;
}

/* 关键需求样式 */
.key-requirement {
    margin-top: 15px;
    font-weight: 500;
    color: #0066cc;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr:hover {
    background-color: #f9f9f9;
}

/* 业务价值样式 */
.business-value {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 80px 0;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.value-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.value-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #0066cc;
}

.value-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.value-card p {
    margin-bottom: 0;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .ocsp-content {
        gap: 30px;
    }
    
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ocsp-content {
        grid-template-columns: 1fr;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
    }
}

/* 价值数据统计样式 */
.value-stat {
    margin-top: 20px;
    font-weight: 600;
    color: #0066cc;
}

/* 法律基础样式 */
.legal-foundation {
    background-color: #f8f9fa;
    padding: 60px 0;
}

.legal-foundation .section-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.legal-foundation p {
    line-height: 1.8;
    color: #555;
    margin-top: 20px;
}

/* 痛点分析样式 */
.pain-points {
    padding: 80px 0;
    background-color: white;
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pain-point-item {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pain-point-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.12);
}

.pain-point-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #ff6b6b;
}

.pain-point-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.pain-point-item p {
    line-height: 1.6;
    color: #555;
}

/* 优势展示样式 */
.advantages {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-item {
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.advantage-icon {
    font-size: 56px;
    margin-bottom: 25px;
    color: #4CAF50;
}

.advantage-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.advantage-item p {
    line-height: 1.6;
    color: #555;
}
}

/* 产品页面通用样式 */
.product-hero {
    background: linear-gradient(135deg, #1a365d 0%, #2a4365 100%);
    color: white;
    padding: 80px 0;
}

.product-hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

.product-title {
    font-size: 48px;
    margin-bottom: 20px;
    color: white;
}

.product-subtitle {
    font-size: 24px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.product-description {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.product-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.highlight-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
}

.product-price-card {
    background: white;
    color: #333;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.price-card-header {
    background: #0066cc;
    color: white;
    padding: 25px;
    text-align: center;
}

.current-price {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 5px;
}

.price-unit {
    font-size: 18px;
    font-weight: normal;
}

.original-price {
    font-size: 16px;
    opacity: 0.8;
    text-decoration: line-through;
}

.price-card-body {
    padding: 25px;
}

.price-features {
    list-style: none;
    padding: 0;
}

.price-features li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.price-features li:last-child {
    border-bottom: none;
}

.price-card-footer {
    padding: 25px;
    background: #f8f9fa;
}

.btn-block {
    width: 100%;
    margin-bottom: 10px;
}

/* 产品特点样式 */
.product-features {
    padding: 80px 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #0066cc;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

/* 应用场景样式 */
.use-cases {
    padding: 80px 0;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.use-case-item {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.use-case-icon {
    font-size: 36px;
    margin-bottom: 20px;
    color: #0066cc;
}

.use-case-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.step-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: #0066cc;
    color: white;
    border-radius: 50%;
    line-height: 50px;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

.step-arrow {
    font-size: 36px;
    color: #0066cc;
    margin: 20px 0;
}

/* FAQ样式 */
.faq-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer p {
    padding: 20px 0;
    margin: 0;
}

.faq-icon {
    font-weight: bold;
    font-size: 20px;
}

/* 相关推荐样式 */
.related-products {
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.product-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.product-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #0066cc;
}

.product-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.product-price {
    font-size: 24px;
    font-weight: bold;
    color: #0066cc;
    margin: 20px 0;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .product-hero-content {
        grid-template-columns: 1.5fr 1fr;
    }
    
    .features-grid,
    .use-cases-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-hero-content {
        grid-template-columns: 1fr;
    }
    
    .product-highlights {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .use-cases-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .spec-row {
        grid-template-columns: 1fr;
    }
    
    .spec-label {
        margin-bottom: 10px;
    }
}