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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: #4a4cda;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* 顶部导航栏 */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

header .logo {
    display: flex;
    align-items: center;
}

 
.logo img {
    height: 66px;
    width: auto;
}

nav {
    display: flex;
    align-items: stretch;
    height: 100%;
}

nav ul {
    display: flex;
    height: 100%;
}

nav ul li {
    height: 100%;
    display: flex;
    align-items: stretch;
    margin: 0 5px;
    position: relative;
}

/* header nav ul li:first-child {
    margin-left: 0;
} */

nav ul li a {
    color: #333;
    font-weight: 500;
    padding: 0 18px;
    display: flex;
    align-items: center;
    position: relative;
    height: 100%;
    transition: color 0.3s;
    font-size: 18px;
}

nav ul li a:hover {
    color: #0066cc;
}

nav ul li a::before {
    content: '';
    position: absolute;
    width: 0;
    height: 4px;
    top: 0;
    left: 0;
    background-color: #fa7900;
    transition: all 0.3s ease;
    z-index: 101;
}

nav ul li a.active::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 4px;
    top: 0;
    left: 0;
    background-color: #fa7900;
    z-index: 101;
}

nav ul li a:hover::before {
    width: 100%;
}

nav ul li a.active {
    color: #0066cc;
}
nav ul li a.home-link {
    display: flex;
    align-items: center;
    gap: 5px;
}

nav ul li a.home-link i {
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        padding: 10px 15px;
    }

    header .logo img {
        height: 35px;
    }
    header .logo {
        display: none;
    }

    header nav ul li {
        margin-left: 20px;
    }

    header nav ul li a {
        font-size: 15px;
    }

    .container {
        width: 100%;
        max-width: 100%;
        padding: 0 10px;
    }

    /* 调整移动端内容区域的宽度 */
    .hero-content,
    .advantages-grid,
    .pricing-cards,
    .footer-content {
        width: 100%;
        padding: 0;
    }

    /* 调整移动端产品卡片 */
    .pricing-card {
        width: 100%;
        min-width: 100%;
        max-width: 100%;
        margin: 0;
    }

    /* 调整移动端按钮 */
    .cta-button {
        width: 100%;
        text-align: center;
    }

    /* 调整移动端特性项 */
    .feature-item {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    header .container {
        padding: 8px 12px;
    }
    header .logo {
        display: none;
    }

    header .logo img {
        height: 30px;
    }

    header nav ul li {
        margin-left: 15px;
    }

    header nav ul li a {
        font-size: 13px;
    }
}

/* Hero区域 */
.hero {
    /* padding: 240px 0 60px; */
    /* color: #fff; */
    text-align: center;
    background-image: url('../images/bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    height: 500px;
}

/* 首页使用图片背景，分页面使用渐变背景 */
.hero:not(.comparison-hero):not(.purchase-hero) {
    background-image: url('../images/bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 131, 15, 0.7) 0%, rgba(247, 130, 52, 0.7) 60%, rgba(196, 88, 0, 0.7) 100%);
    z-index: 0;
} */

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

.hero-content h1 {
    padding-top: 180px;
    font-size: 46px;
    margin-bottom: 20px;
    color: #fff;
    letter-spacing: 6px;
}

.hero-content .subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    color: #fff;
}

.hero-features {
    padding-top: 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.01);
    padding: 12px 24px;
    border-radius: 30px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.feature-item i {
    font-size: 20px;
    color: #ffffff;
}

.feature-item span {
    color: #ffffff;
    font-size: 16px;
    font-weight: 500;
}

.cta-button {
    display: inline-block;
    background: #fff;
    color: #ff6600;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: 0.3s;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 核心优势 */
.advantages {
    padding: 10px 0;
    background: #fff;
}

.advantages h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

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

.advantage-card {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: 0.3s;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 35px rgba(0, 0, 0, 0.4);
}

.advantage-card i {
    font-size: 40px;
    color: #ff6600;
    margin-bottom: 20px;
}

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

/* 功能特点 */
.features {
    padding: 60px 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}


.feature-icon {
    width: 60px;
    height: 60px;
    background: #ff6600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 30px;
    color: #fff;
}

.feature-content h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

/* 版本对比 */
.pricing {
    padding: 60px 0;
    background: #fff;
}

.pricing h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

.pricing-cards {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    flex-wrap: wrap;
}

.pricing-card {
    flex: 1;
    min-width: 300px;
    max-width: 380px;
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
}

.pricing-card.featured {
    border: 1px solid #ff6600;
}

.featured-tag {
    position: absolute;
    top: -12px;
    right: 20px;
    background: #ff6600;
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

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

.pricing-card .price {
    font-size: 32px;
    color: #ff6600;
    margin-bottom: 15px;
}

.pricing-card .price span {
    font-size: 14px;
    color: #666;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.pricing-card ul li {
    padding: 8px 0;
    color: #666;
    font-size: 15px;
    line-height: 1.4;
    border-bottom: 1px solid #eee;
    text-align: center;

}

.pricing-card ul li:last-child {
    border-bottom: none;
}

.pricing-card .btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: #ff6600;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s ease;
}

.pricing-card .btn:hover {
    background: #d32b2b;
}

/* 底部 */
footer {
    background: #333;
    color: #fff;
    padding: 60px 0 20px;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-size: 1.5rem;
    color: #ccc;
    margin-bottom: 20px;
}

.footer-logo p {
    color: #8b8b8b;
    font-size: 14px;
}

.footer-links h3, .footer-contact h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #ccc;
    
}

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

.footer-links ul li a {
    color: #8b8b8b;
    transition: color 0.3s;
    font-size: 14px;
}

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

.footer-contact h3 {
    text-align: right;
    color: #ccc;
}

.footer-contact p {
    margin-bottom: 10px;
    color: #8b8b8b;
    font-size: 14px;
    text-align: right;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
}

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

.hero-content,
.advantage-card,
.feature-item,
.pricing-card {
    animation: fadeIn 0.6s ease-out forwards;
}

/* 版本对比页面样式 */
.comparison-hero {
    height: 250px;
    padding: 0;
    background-image: none !important;
    background: 
    radial-gradient(circle at center, 
      #ff830f 0%, 
      #f78234 60%, 
      #c45800 100%),
    linear-gradient(65deg, 
      transparent 40%, 
      rgba(245, 192, 47, 0.2) 50%,
      transparent 60%) !important;
    color: #fff;
}

.comparison-hero .hero-content {
    padding: 125px 0;
}

.comparison-hero .hero-content h2,
.comparison-hero .hero-content .subtitle {
    color: #fff;
}
 

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 40px 0;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 15px;
    text-align: center;
    border: 1px solid #f0f0f0;
    font-size: 16px;
}

.comparison-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
    font-size: 16px;
}

.comparison-table th:first-child {
    text-align: center;
    width: 60px;
    min-width: 50px;
}

.comparison-table td:first-child {
    text-align: center;
    font-weight: 500;
    width: 60px;
    min-width: 50px;
    font-size: 16px;
}

.comparison-table th:nth-child(2) {
    text-align: center;
    width: 80px;
    min-width: 70px;
    background: #f8f9fa;
}

.comparison-table td:nth-child(2) {
    text-align: center;
    color: #333;
    font-size: 16px;
    width: 80px;
    min-width: 70px;
    padding: 15px 8px;
}

.comparison-table th:nth-child(3) {
    text-align: left;
    width: 280px;
    min-width: 220px;
    background: #f8f9fa;
}

.comparison-table td:nth-child(3) {
    text-align: left;
    color: #666;
    font-size: 16px;
    line-height: 1.5;
    padding: 15px 12px;
}

.comparison-table th.version-header {
    width: 120px;
    min-width: 100px;
    text-align: center;
}

.comparison-table td:nth-child(4),
.comparison-table td:nth-child(5),
.comparison-table td:nth-child(6) {
    width: 120px;
    min-width: 100px;
    padding: 15px 8px;
    text-align: center;
}

.comparison-table .version-header {
    background: #ff6600;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    padding: 15px 10px;
    text-align: center;
}

.comparison-table .version-price {
    font-size: 20px;
    color: #fff;
    margin-top: 5px;
    opacity: 0.9;
}

.comparison-table .check {
    color: #4CAF50;
    font-size: 20px;
}

.comparison-table .dash {
    color: #999;
    font-size: 20px;
}

.comparison-table .partial {
    color: #FFA726;
    font-size: 20px;
}

.comparison-table tr:hover {
    background: #f0f7ff;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.15);
    transform: scale(1.01);
    transition: all 0.2s ease;
}

.comparison-table tr:hover td {
    color: #333;
    font-weight: 500;
}

.comparison-table tr:hover td:first-child {
    color: #0066cc;
    font-weight: 600;
}

.comparison-table tr:hover td:nth-child(3) {
    color: #0066cc;
}

@media (max-width: 768px) {
    .comparison-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .comparison-table th:first-child {
        width: 50px;
        min-width: 45px;
        font-size: 13px;
        padding: 10px 4px;
    }

    .comparison-table td:first-child {
        width: 50px;
        min-width: 45px;
        font-size: 13px;
        padding: 10px 4px;
    }

    .comparison-table th:nth-child(2) {
        width: 70px;
        min-width: 65px;
        font-size: 13px;
        padding: 10px 4px;
    }

    .comparison-table td:nth-child(2) {
        width: 70px;
        min-width: 65px;
        font-size: 12px;
        padding: 10px 4px;
    }

    .comparison-table th:nth-child(3) {
        width: 180px;
        min-width: 160px;
        font-size: 13px;
        padding: 10px 8px;
    }

    .comparison-table td:nth-child(3) {
        width: 180px;
        min-width: 160px;
        font-size: 12px;
        padding: 10px 8px;
        line-height: 1.4;
    }

    .comparison-table th.version-header {
        width: 90px;
        min-width: 80px;
        font-size: 14px;
        padding: 12px 6px;
        text-align: center;
    }

    .comparison-table .version-price {
        font-size: 12px;
        margin-top: 3px;
    }

    .comparison-table td:nth-child(4),
    .comparison-table td:nth-child(5),
    .comparison-table td:nth-child(6) {
        width: 90px;
        min-width: 80px;
        padding: 10px 6px;
        text-align: center;
    }

    .comparison-table .check {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .comparison-table th:first-child {
        width: 40px;
        min-width: 35px;
        font-size: 12px;
        padding: 8px 3px;
    }

    .comparison-table td:first-child {
        width: 40px;
        min-width: 35px;
        font-size: 12px;
        padding: 8px 3px;
    }

    .comparison-table th:nth-child(2) {
        width: 60px;
        min-width: 55px;
        font-size: 12px;
        padding: 8px 3px;
    }

    .comparison-table td:nth-child(2) {
        width: 60px;
        min-width: 55px;
        font-size: 11px;
        padding: 8px 3px;
    }

    .comparison-table th:nth-child(3) {
        width: 140px;
        min-width: 130px;
        font-size: 12px;
        padding: 8px 6px;
    }

    .comparison-table td:nth-child(3) {
        width: 140px;
        min-width: 130px;
        font-size: 11px;
        padding: 8px 6px;
        line-height: 1.3;
    }

    .comparison-table th.version-header {
        width: 75px;
        min-width: 70px;
        font-size: 12px;
        padding: 10px 4px;
        text-align: center;
    }

    .comparison-table .version-price {
        font-size: 11px;
    }

    .comparison-table td:nth-child(3),
    .comparison-table td:nth-child(4),
    .comparison-table td:nth-child(5) {
        width: 75px;
        min-width: 70px;
        padding: 8px 4px;
        text-align: center;
    }

    .comparison-table .check {
        font-size: 16px;
    }
}

/* 购买页面样式 */
.purchase-hero {
    height: 250px;
    padding: 0;
    background-image: none !important;
    background: 
    radial-gradient(circle at center, 
      #ff830f 0%, 
      #f78234 60%, 
      #c45800 100%),
    linear-gradient(65deg, 
      transparent 40%, 
      rgba(245, 192, 47, 0.2) 50%,
      transparent 60%) !important;
    color: #fff;
}

.purchase-hero .hero-content {
    padding: 125px 0;
}

.purchase-hero .hero-content h2,
.purchase-hero .hero-content .subtitle {
    color: #fff;
}

.purchase-process {
    padding: 60px 0;
    background: #f8f9fa;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    text-align: center;
    padding: 20px;
    min-width: 200px;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: #ff6600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon i {
    font-size: 36px;
    color: #fff;
}

.step h3 {
    margin-bottom: 10px;
    color: #333;
}

.step p {
    color: #666;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 10px;
    margin-top: 40px;
}

.pricing-card {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card.featured {
    border: 1px solid #ff6600;
}

.featured-tag {
    position: absolute;
    top: -12px;
    right: 20px;
    background: #ff6600;
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
}

.pricing-card h3 {
    color: #333;
    margin-bottom: 20px;
}

.price {
    font-size: 36px;
    color: #ff6600;
    margin-bottom: 20px;
}

.price span {
    font-size: 16px;
    color: #666;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
}

.pricing-card ul li {
    padding: 10px 0;
    color: #666;
    border-bottom: 1px solid #eee;
}

.pricing-card ul li:last-child {
    border-bottom: none;
}

.contact-form {
    padding: 60px 0;
    background: #f8f9fa;
}

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

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

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group input:focus {
    outline: none;
    border-color: #ff6600;
}

.payment-info {
    padding: 60px 0;
}

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

.payment-method {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.payment-method i {
    font-size: 48px;
    color: #ff6600;
    margin-bottom: 20px;
}

.payment-method h3 {
    color: #333;
    margin-bottom: 15px;
}

.payment-method p {
    color: #666;
    margin: 5px 0;
}

.payment-notice {
    margin-top: 40px;
    text-align: center;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.payment-notice p {
    color: #666;
    margin: 10px 0;
}

@media (max-width: 768px) {
    .process-steps {
        flex-direction: column;
    }

    .step {
        margin-bottom: 30px;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .payment-methods {
        grid-template-columns: 1fr;
    }
}

/* 支付按钮部分 */
.payment-section {
    padding: 60px 0;
    background: #f8f9fa;
    text-align: center;
}

.payment-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #ff6600;
    color: #fff;
    padding: 20px 60px;
    border-radius: 50px;
    font-size: 24px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
}

.payment-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 102, 0, 0.4);
    color: #fff;
}

.payment-button i {
    font-size: 28px;
}

/* 联系客服部分 */
.contact-section {
    padding: 60px 0;
    background: #fff;
    text-align: center;
}

.contact-info {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: 32px;
    color: #333;
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
}

.contact-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #4CAF50;
    color: #fff;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.contact-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    color: #fff;
}

.contact-button i {
    font-size: 24px;
}

@media (max-width: 768px) {
    .payment-button {
        padding: 15px 40px;
        font-size: 20px;
    }

    .payment-button i {
        font-size: 24px;
    }

    .contact-info h2 {
        font-size: 28px;
    }

    .contact-info p {
        font-size: 16px;
    }

    .contact-button {
        padding: 12px 30px;
        font-size: 18px;
    }

    .contact-button i {
        font-size: 20px;
    }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .pricing-cards {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
        padding: 0 20px;
    }

    .pricing-card {
        flex: 0 1 calc(50% - 20px);
        max-width: none;
    }
}

@media (max-width: 768px) {
    .pricing-cards {
        flex-direction: column;
        align-items: stretch;
        padding: 0 15px;
    }

    .pricing-card {
        flex: 0 1 100%;
        max-width: none;
        width: 100%;
    }

    .pricing-card h3 {
        font-size: 20px;
    }

    .pricing-card .price {
        font-size: 28px;
    }

    .pricing-card ul li {
        font-size: 14px;
        padding: 8px 0;
    }
}

@media (max-width: 480px) {
    .pricing-cards {
        padding: 0 10px;
        width: 100%;
    }

    .pricing-card {
        padding: 15px;
        margin: 0;
        width: 100%;
        min-width: 100%;
        max-width: 100%;
    }

    .pricing-card h3 {
        font-size: 18px;
    }

    .pricing-card .price {
        font-size: 24px;
    }

    .pricing-card ul li {
        font-size: 13px;
        padding: 6px 0;
    }
}

/* 功能特点 */
.features-detailed {
    padding: 60px 0;
    background: #f8f9fa;
}

.feature-detailed-item {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
    gap: 40px;
}

.feature-detailed-item.reverse {
    flex-direction: row-reverse;
}

.feature-detailed-image {
    flex: 1;
    min-width: 0;
}

.feature-detailed-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.feature-detailed-content {
    flex: 1;
    min-width: 0;
}

.feature-detailed-content h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.feature-detailed-content p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    color: #666;
}

.feature-list li::before {
    content: "•";
    color: #ff6600;
    position: absolute;
    left: 0;
    font-size: 20px;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .feature-detailed-item {
        flex-direction: column !important; /* 强制垂直排列 */
        gap: 20px;
        margin-bottom: 40px;
    }

    .feature-detailed-image {
        width: 100%;
        margin-bottom: 20px;
    }

    .feature-detailed-content {
        width: 100%;
    }

    .feature-detailed-content h2 {
        font-size: 20px;
        text-align: center;
    }

    .feature-detailed-content p {
        text-align: center;
    }

    .feature-list {
        padding: 0 15px;
    }
}

/* 核心功能展示区域样式 */
.core-features {
    padding: 40px 0;
    background-color: #fff;
}

/* Section header styles - standardized across all sections */
.section-header {
    text-align: center;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 32px;
    color: #333;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
}

.title-underline {
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, #ffcc00, #ff6600);
    margin: 0 auto 20px;
    border-radius: 3px;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
}

/* Styles for circular feature icons */
.features-circle-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 60px 0;
    width: 100%;
}

.feature-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 60px;
    flex-wrap: nowrap;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-item.circle {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
    width: 22%;
    max-width: 220px;
    min-width: 160px;
    margin: 0;
    cursor: pointer;
}

.feature-item.circle .feature-icon {
    width: 160px;
    height: 160px;
    margin: 0 auto 10px;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    overflow: hidden;
    border: 6px solid rgba(255, 204, 0, 0.1);
    flex-shrink: 0;
}

.feature-item.circle:hover .feature-icon {
    transform: scale(1.05);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
    border-color: rgba(255, 102, 0, 0.2);
}

.feature-item.circle .feature-icon img {
    width: 140px;
    height: 140px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.feature-item.circle:hover .feature-icon img {
    transform: scale(1.1);
}

.feature-item.circle h3 {
    font-size: 17px;
    font-weight: 600;
    color: #444;
    margin-top: 0;
    margin-bottom: 0;
    transition: all 0.3s ease;
    white-space: nowrap;
    line-height: 1.4;
    text-align: center;
    width: 100%;
}

.feature-item.circle:hover h3 {
    color: #ff6600;
    transform: translateY(3px);
}

/* Responsive adjustments for feature circles */
@media screen and (max-width: 1200px) {
    .feature-row {
        justify-content: space-around;
        flex-wrap: wrap;
        gap: 40px;
    }

    .feature-item.circle {
        width: 40%;
    }
}

@media screen and (max-width: 768px) {
    .core-features {
        padding: 60px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .title-underline {
        width: 60px;
        margin-bottom: 15px;
    }

    .feature-item.circle {
        width: 45%;
    }

    .feature-item.circle .feature-icon {
        width: 140px;
        height: 140px;
    }

    .feature-item.circle .feature-icon img {
        width: 85px;
        height: 85px;
    }
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: #fff;
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    max-width: 95vw;
    height: auto;
    max-height: 90vh;
    padding: 10px;
    border-radius: 10px;
    animation: modalFadeIn 0.3s ease-out;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -48%);
    }

    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.close-modal {
    position: absolute;
    right: 10px;
    top: 10px;
    font-size: 28px;
    font-weight: bold;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: #f5f5f5;
    z-index: 1;
}

.close-modal:hover {
    color: #fff;
    background-color: #ff6600;
    transform: rotate(90deg);
}

.modal-header {
    padding: 0 0 10px 0;
    margin-bottom: 10px;
    text-align: center;
}

.modal-header h2 {
    color: #333;
    margin: 0;
    font-size: 28px;
    font-weight: 600;
}

.modal-body {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

/* 功能详情样式 */
.feature-detail {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
}

.feature-detail img {
    max-width: 100%;
    max-height: 85vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 1px;
    display: block;
}

/* 响应式调整 */
@media screen and (max-width: 1024px) {
    .modal-content {
        width: 95%;
        height: auto;
        max-height: 90vh;
        margin: 5vh auto;
        position: relative;
        top: 0;
        left: 0;
        transform: none;
    }

    .feature-detail img {
        max-width: 100%;
        max-height: 80vh;
        width: auto;
        height: auto;
    }
}