:root {
    --primary-color: #7BC68C;
    --secondary-color: #5BA970;
    --text-color: #2C3E50;
    --light-bg: #F0F9F1;
    --white: #FFFFFF;
    --hover-color: #69B37B;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

header {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.8rem 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-shrink: 0;
}

.logo-image {
    height: 32px;
    width: auto;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 0.02em;
}

nav ul {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-grow: 1;
    justify-content: center;
}

nav ul li:last-child {
    display: none;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
    transition: all 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--primary-color);
}

nav a:hover::after {
    width: 100%;
}

.nav-cta {
    display: none;
}

.cta-button {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: 0.5rem 1.3rem !important;
    border-radius: 0.6rem;
    font-size: 0.95rem;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(123, 198, 140, 0.2);
}

/* 区域模块通用样式 */
section {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 3rem;
    position: relative;
    z-index: 2;
}

/* Banner 主容器 */
#hero {
    max-width: none;
    padding: 4rem 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-image: 
        linear-gradient(
            rgba(0, 0, 0, 0.2),  /* 这里的 0.5 控制暗度，数值越大越暗 */
            rgba(0, 0, 0, 0.2)
        ),
        url('images/banner.jpeg');
    background-size: cover;
    background-position: center;
    min-height: 600px;
}

/* 移除原有的3D背景相关样式 */
.hero-3d-bg,
.grid-layer,
.floating-plane,
.particle-3d,
.light-beam-3d,
.floating-circle {
    display: none;
}

/* 内容布局 */
.hero-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
}

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

.hero-text h1 {
    font-size: 2.8rem;
    line-height: 1.4;
    margin-bottom: 1.5rem;
    font-weight: bold;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-main {
    font-size: 1.3rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.95);
}

/* 优势线路区域 */
.route-features {
    width: 110%;
    max-width: 1100px;
    margin: 1.8rem -5%;
    padding: 1.4rem;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 2rem;
}

.route-group {
    flex: 1;
    text-align: center;
    position: relative;
}

/* 分隔线 */
.route-group:first-child::after {
    content: '';
    position: absolute;
    right: -1rem;
    top: 10%;
    height: 80%;
    width: 1px;
    background: rgba(255, 255, 255, 0.15);
}

.route-title {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1.2rem;
    border-radius: 2rem;
}

.route-icon {
    font-size: 1.2rem;
}

.route-title span:last-child {
    font-size: 1rem;
    font-weight: 500;
}

.route-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);  /* 改为3列 */
    grid-template-rows: repeat(2, 1fr);     /* 固定2行 */
    gap: 0.8rem;
    padding: 0.4rem;
}

.route-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 0.8rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.8rem;
    transition: all 0.3s ease;
}

.route-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.country-flag {
    font-size: 1.1rem;
}

.country-name {
    font-size: 0.9rem;
    color: var(--white);
    font-weight: 500;
}

/* 按钮样式 */
.primary-button {
    margin-top: 2.5rem;
    padding: 1.2rem 3.5rem;
    font-size: 1.2rem;
    background: var(--white);
    color: var(--primary-color);
    border: none;
    border-radius: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    background: var(--light-bg);
}

/* 响应式调整 */
@media (max-width: 992px) {
    .route-list {
        gap: 0.6rem;
    }
}

@media (max-width: 768px) {
    .route-features {
        flex-direction: column;
        gap: 1.5rem;
    }

    .route-group:first-child::after {
        display: none;
    }

    .route-group + .route-group {
        padding-top: 1.5rem;
        border-top: 1px solid rgba(255, 255, 255, 0.15);
    }

    .route-list {
        grid-template-columns: repeat(2, 1fr);  /* 移动端改为2列 */
        grid-template-rows: repeat(3, 1fr);     /* 移动端改为3行 */
        gap: 0.5rem;
    }
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-feature-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hero-feature-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--white);
}

.hero-feature-text {
    font-size: 1rem;
    opacity: 0.9;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 15px rgba(123, 198, 140, 0.08);
    border: 1px solid var(--light-bg);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.security-item {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    box-shadow: 0 2px 8px rgba(123, 198, 140, 0.1);
    border: 1px solid var(--light-bg);
    transition: all 0.3s ease;
}

.security-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.security-item h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.security-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.security-feature {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--light-bg);
    border-radius: 0.5rem;
}

.security-label {
    color: var(--text-color);
    font-weight: 500;
}

.security-value {
    color: var(--primary-color);
    font-weight: bold;
}

.security-desc {
    text-align: center;
    color: var(--text-color);
    opacity: 0.8;
    margin-top: 1rem;
    font-size: 0.95rem;
}

.security-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(123, 198, 140, 0.15);
}

.scenario-table {
    overflow-x: auto;
    margin-top: 2rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

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

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    padding: 1rem;
    margin-top: 2rem;
}

.price-card {
    background: white;
    padding: 2.2rem 1.8rem;
    text-align: center;
    border-radius: 1.2rem;
    box-shadow: 0 2px 15px rgba(123, 198, 140, 0.08);
    border: 1px solid rgba(123, 198, 140, 0.1);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

.price-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.price-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(123, 198, 140, 0.12);
}

.price-card:hover::before {
    transform: scaleX(1);
}

.price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 1rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

footer {
    background: var(--secondary-color);
    color: white;
    padding: 1.8rem 0;
    text-align: center;
    position: relative;
    font-size: 0.9rem;
}

nav a:hover {
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.service-section {
    margin-bottom: 4rem;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 1rem;
}

.service-section:last-child {
    margin-bottom: 0;
}

.service-intro {
    text-align: left;
    margin-bottom: 1rem;
    padding-left: 1rem;
}

.service-intro h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-intro p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-color);
    opacity: 0.9;
}

.service-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 2px 15px rgba(123, 198, 140, 0.08);
    border: 1px solid var(--light-bg);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.feature-card ul {
    list-style: none;
}

.feature-card ul li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.feature-card ul li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(123, 198, 140, 0.12);
}

@media (max-width: 768px) {
    .service-section {
        padding: 1rem;
    }
    
    .service-intro h3 {
        font-size: 1.5rem;
    }
    
    .service-intro p {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
}

/* 应用场景区域 */
#scenarios {
    background: #fff;
    padding: 5rem 0;
}

#scenarios .scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 固定3列 */
    gap: 1.5rem;
    padding: 1rem;
    max-width: 1400px; /* 增加最大宽度 */
    margin: 0 auto;
}

#scenarios .scenario-card {
    background: linear-gradient(135deg, #fff, var(--light-bg));
    border-radius: 1.5rem;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(123, 198, 140, 0.1);
    border: 1px solid rgba(123, 198, 140, 0.1);
    min-width: 0; /* 防止卡片溢出 */
}

#scenarios .scenario-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

#scenarios .scenario-icon {
    font-size: 3.5rem; /* 增大图标尺寸 */
    margin-bottom: 1rem;
    display: inline-block;
    position: relative;
    z-index: 2;
}

/* 图标背景效果 */
#scenarios .scenario-icon::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    z-index: -1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

#scenarios .scenario-card:hover .scenario-icon::after {
    transform: translate(-50%, -50%) scale(1.2);
}

#scenarios .scenario-header h3 {
    color: #fff;
    font-size: 1.6rem;
    margin: 0;
    position: relative;
    z-index: 2;
}

#scenarios .scenario-content {
    padding: 1.5rem;
}

#scenarios .scenario-service {
    margin-bottom: 2rem;
}

#scenarios .scenario-service:last-child {
    margin-bottom: 0;
}

#scenarios .scenario-service h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 添加服务类型图标 */
#scenarios .scenario-service h4::before {
    content: '📱';
    font-size: 1.4rem;
}

#scenarios .scenario-service:nth-child(2) h4::before {
    content: '🔊';
}

#scenarios .scenario-service ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

#scenarios .scenario-service li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    color: var(--text-color);
}

#scenarios .scenario-service li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0.5rem;
    top: 0;
}

/* 卡片悬浮效果 */
#scenarios .scenario-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(123, 198, 140, 0.15);
}

/* 响应式调整 */
@media (max-width: 1200px) {
    #scenarios .scenarios-grid {
        gap: 1rem;
        padding: 0.5rem;
    }
    
    #scenarios .scenario-header {
        padding: 1.2rem;
    }
    
    #scenarios .scenario-content {
        padding: 1.2rem;
    }
}

@media (max-width: 992px) {
    #scenarios .scenarios-grid {
        grid-template-columns: repeat(2, 1fr); /* 平板尺寸时改为2列 */
    }
}

@media (max-width: 768px) {
    #scenarios .scenarios-grid {
        grid-template-columns: 1fr; /* 手机尺寸时改为1列 */
    }
}

/* 价格方案区域优化 */
#pricing {
    background: var(--light-bg);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

/* 背景装饰 */
#pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.9), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.8), transparent 40%);
    opacity: 0.8;
}

#pricing .pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

#pricing .price-card {
    background: #fff;
    border-radius: 1.5rem;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid rgba(123, 198, 140, 0.15);
}

/* 价格卡片装饰 */
#pricing .price-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

#pricing .price-card:hover::before {
    opacity: 1;
}

#pricing .price-card h3 {
    color: var(--text-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

/* 价格显示优化 */
#pricing .price {
    font-size: 2.2rem;
    font-weight: bold;
    margin: 1.5rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    position: relative;
}

#pricing .price-card p:last-child {
    color: var(--text-color);
    opacity: 0.8;
    font-size: 1rem;
    margin-top: 1rem;
    padding: 0.8rem;
    background: var(--light-bg);
    border-radius: 0.8rem;
}

/* 悬浮效果优化 */
#pricing .price-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(123, 198, 140, 0.15);
}

/* 添加推荐标签 */
#pricing .price-card:nth-child(2)::after {
    content: '推荐';
    position: absolute;
    top: 1rem;
    right: -2rem;
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 2.5rem;
    transform: rotate(45deg);
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 响应式优化 */
@media (max-width: 1200px) {
    #pricing .pricing-cards {
        gap: 2rem;
        padding: 1.5rem;
    }
}

@media (max-width: 992px) {
    #pricing .pricing-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    #pricing .price-card:nth-child(2) {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    #pricing .pricing-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1rem;
    }
    
    #pricing .price-card {
        padding: 2rem 1.5rem;
        max-width: 350px;
        margin: 0 auto;
    }
    
    #pricing .price {
        font-size: 2rem;
    }
}

/* 立即开始区域 */
#contact {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

#contact::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: 
        radial-gradient(circle at 0% 0%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: gradientMove 20s linear infinite;
}

#contact .contact-content {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 2rem;
    padding: 3.5rem 2rem;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

#contact h2 {
    color: #fff;
    font-size: 2.4rem;
    margin-bottom: 1.5rem;
}

#contact p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

#contact .primary-button {
    background: #fff;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.9rem 2.8rem;
    border-radius: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    letter-spacing: 0.02em;
}

#contact .primary-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 页脚样式 */
footer {
    background: var(--text-color);
    color: rgba(255, 255, 255, 0.8);
    padding: 1.8rem 0;
    text-align: center;
    position: relative;
    opacity: 0.9;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 动画效果 */
@keyframes gradientMove {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 100%;
    }
}

/* 响应式调整 */
@media (max-width: 1200px) {
    #pricing .pricing-cards {
        gap: 1.5rem;
        padding: 0.5rem;
    }
}

@media (max-width: 992px) {
    #pricing .pricing-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    #contact .contact-content {
        margin: 0 1rem;
        padding: 3rem 1.5rem;
    }
}

@media (max-width: 768px) {
    #pricing .pricing-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    #pricing .price-card {
        padding: 2rem 1.5rem;
    }
    
    #contact h2 {
        font-size: 2rem;
    }
    
    #contact p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    #contact .primary-button {
        padding: 0.8rem 2.5rem;
    }
}

/* 标题样式优化 */
section h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 3rem;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 文字选中样式 */
::selection {
    background: var(--primary-color);
    color: white;
}

/* 响应式细节优化 */
@media (max-width: 768px) {
    nav {
        padding: 0.6rem 1rem;
    }
    
    .logo-image {
        height: 28px;
    }
    
    section h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    section h2::after {
        width: 50px;
        height: 2px;
    }
}

/* 安全保障区域样式优化 */
#security {
    background: var(--light-bg);
    position: relative;
    overflow: hidden;
}

/* 背景装饰图案 */
#security::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 10%, rgba(123, 198, 140, 0.1), transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(91, 169, 112, 0.1), transparent 40%);
    opacity: 0.8;
}

#security .security-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    padding: 2rem;
    position: relative;
    z-index: 2;
}

#security .security-item {
    background: #fff;
    padding: 2.5rem;
    border-radius: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid rgba(123, 198, 140, 0.15);
}

/* 每个卡片的独特背景 */
#security .security-item:nth-child(1) {
    background: 
        linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95)),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0l30 30-30 30L0 30z' fill='%237bc68c' fill-opacity='0.08'/%3E%3C/svg%3E");
}

#security .security-item:nth-child(2) {
    background: 
        linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95)),
        url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 20C0 8.954 8.954 0 20 0s20 8.954 20 20-8.954 20-20 20S0 31.046 0 20z' fill='%235ba970' fill-opacity='0.08'/%3E%3C/svg%3E");
}

#security .security-item:nth-child(3) {
    background: 
        linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95)),
        url("data:image/svg+xml,%3Csvg width='50' height='50' viewBox='0 0 50 50' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h50v50H0z' fill='%2369b37b' fill-opacity='0.08'/%3E%3C/svg%3E");
}

/* 图标样式优化 */
#security .security-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    position: relative;
}

#security .security-icon::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(123, 198, 140, 0.1);
    border-radius: 50%;
    z-index: -1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

#security .security-item:hover .security-icon::after {
    transform: translate(-50%, -50%) scale(1.2);
}

/* 悬浮效果优化 */
#security .security-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(123, 198, 140, 0.15);
}

/* 响应式调整 */
@media (max-width: 1200px) {
    #security .security-grid {
        gap: 2rem;
        padding: 1.5rem;
    }
}

@media (max-width: 992px) {
    #security .security-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    #security .security-item:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    #security .security-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1rem;
    }
    
    #security .security-item {
        padding: 2rem;
        max-width: 350px;
        margin: 0 auto;
    }
}

/* 联系方式图标样式 */
.contact-links {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-left: auto;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
    animation: contactBounce 2s ease infinite;
}

.contact-icon {
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* Telegram图标 */
.contact-icon.telegram {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2326A5E4' d='M12 0C5.373 0 0 5.373 0 12s5.373 12 12 12 12-5.373 12-12S18.627 0 12 0zm5.562 8.161c-.18.745-3.824 16.258-3.824 16.258s-.237.592-.88.308c-.644-.284-2.846-2.012-3.749-2.94-.644-.662-1.367-1.44.052-2.556.947-.744 4.408-4.288 4.408-4.288s.416-.43 0-.83c-.416-.399-1.476-.887-2.585-1.342-2.817-1.155-1.673-1.892.416-2.556 2.09-.974 9.425-3.515 9.425-3.515s.996-.398.934.531z'/%3E%3C/svg%3E");
}

/* WeChat图标 */
.contact-icon.wechat {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2307C160' d='M8.691 2.188C3.891 2.188 0 5.476 0 9.53c0 2.212 1.17 4.203 3.002 5.55a.59.59 0 0 1 .213.665l-.39 1.48c-.019.07-.048.141-.048.213 0 .163.13.295.295a.326.326 0 0 0 .167-.054l1.903-1.114a.864.864 0 0 1 .717-.098 10.16 10.16 0 0 0 2.837.403c.276 0 .543-.027.811-.05-.857-2.578.157-4.972 1.932-6.446 1.703-1.415 3.882-1.98 5.853-1.838-.576-3.583-4.196-6.348-8.596-6.348zM5.785 5.991c.642 0 1.162.529 1.162 1.18a1.17 1.17 0 0 1-1.162 1.178A1.17 1.17 0 0 1 4.623 7.17c0-.651.52-1.18 1.162-1.18zm5.813 0c.642 0 1.162.529 1.162 1.18a1.17 1.17 0 0 1-1.162 1.178 1.17 1.17 0 0 1-1.162-1.178c0-.651.52-1.18 1.162-1.18zm5.34 2.867c-1.797-.052-3.746.512-5.28 1.786-1.72 1.428-2.687 3.72-1.78 6.22.942 2.453 3.666 4.229 6.884 4.229.826 0 1.622-.12 2.361-.336a.722.722 0 0 1 .598.082l1.584.926a.272.272 0 0 0 .14.045c.133 0 .243-.11.243-.246 0-.06-.024-.12-.04-.177l-.326-1.233a.49.49 0 0 1 .177-.554C23.23 18.254 24.25 16.5 24.25 14.53c0-3.172-3.086-5.626-7.313-5.672zM14.366 12.25c.535 0 .969.44.969.982a.976.976 0 0 1-.969.983.976.976 0 0 1-.969-.983c0-.542.434-.982.97-.982zm4.844 0c.535 0 .969.44.969.982a.976.976 0 0 1-.969.983.976.976 0 0 1-.969-.983c0-.542.434-.982.969-.982z'/%3E%3C/svg%3E");
}

/* WhatsApp图标 */
.contact-icon.whatsapp {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2325D366' d='M12.031 6.172c-3.181 0-5.767 2.586-5.768 5.766-.001 1.298.38 2.27 1.019 3.287l-.582 2.128 2.182-.573c.978.58 1.911.928 3.145.929 3.178 0 5.767-2.587 5.768-5.766.001-3.187-2.575-5.77-5.764-5.771zm3.392 8.244c-.144.405-.837.774-1.17.824-.299.045-.677.063-1.092-.069-.252-.08-.299-.575-.575-.575-.187-.988-.365-1.739-.751-2.874-2.502-2.961-2.617-.087-.116-.708-.94-.708-1.793s.448-1.273.607-1.446c.159-.173.346-.217.462-.217l.332.006c.106.005.249-.04.39.298.144.347.491 1.2.534 1.287.043.087.072.188.014.304-.058.116-.087.188-.173.289l-.26.304c-.087.086-.177.18-.076.354.101.174.449.741.964 1.201.662.591 1.221.774 1.394.86s.274.072.376-.043c.101-.116.433-.506.549-.68.116-.173.231-.145.39-.087s1.011.477 1.184.564.289.13.332.202c.045.072.045.419-.1.824zm-3.423-14.416c-6.627 0-12 5.373-12 12s5.373 12 12 12 12-5.373 12-12-5.373-12-12-12zm.029 18.88c-1.161 0-2.305-.292-3.318-.844l-3.677.964.984-3.595c-.607-1.052-.927-2.246-.926-3.468.001-3.825 3.113-6.937 6.937-6.937 1.856.001 3.598.723 4.907 2.034 1.31 1.311 2.031 3.054 2.03 4.908-.001 3.825-3.113 6.938-6.937 6.938z'/%3E%3C/svg%3E");
}

/* 悬浮和动画效果 */
.contact-item:hover {
    background: var(--light-bg);
    transform: scale(1.05);
}

@keyframes contactBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .contact-item {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .contact-icon {
        width: 18px;
        height: 18px;
    }
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo a:hover {
    opacity: 0.9;
}

/* 语言切换按钮样式 */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.8rem;
    margin-left: 1rem;
    background: transparent;
    border: 1px solid var(--primary-color);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-switch span {
    font-size: 0.9rem;
    color: var(--text-color);
}

.lang-switch .divider {
    color: var(--text-color);
    opacity: 0.5;
}

.lang-switch:hover {
    background: var(--light-bg);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .lang-switch {
        padding: 0.3rem 0.6rem;
    }
    
    .lang-switch span {
        font-size: 0.85rem;
    }
}

/* 弹框样式优化 */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.popup-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 2.5rem;
    border-radius: 1.2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
    min-width: 300px;
    animation: slideUp 0.3s ease;
}

.popup-content p {
    font-size: 1.1rem;
    color: var(--text-color);
    margin: 0.5rem 0;
    line-height: 1.6;
}

.popup-content .wechat-icon {
    font-size: 2.5rem;
    color: #07C160;
    margin-bottom: 1rem;
}

.popup-content .wechat-number {
    background: var(--light-bg);
    padding: 0.8rem 1.2rem;
    border-radius: 0.8rem;
    font-family: monospace;
    font-size: 1.2rem;
    color: var(--text-color);
    margin: 1rem 0;
    user-select: all;
}

.close-popup {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    color: var(--text-color);
    opacity: 0.7;
}

.close-popup:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
    transform: rotate(90deg);
}

/* 弹框动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translate(-50%, calc(-50% + 20px));
        opacity: 0;
    }
    to {
        transform: translate(-50%, -50%);
        opacity: 1;
    }
}

/* 复制提示框样式 */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 2000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* 优化微信号样式 */
.wechat-number {
    background: var(--light-bg);
    padding: 0.8rem 1.2rem;
    border-radius: 0.8rem;
    font-family: monospace;
    font-size: 1.2rem;
    color: var(--text-color);
    margin: 1rem 0;
    cursor: pointer;
    user-select: all;
    transition: all 0.3s ease;
}

.wechat-number:hover {
    background: rgba(123, 198, 140, 0.2);
}

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

/* 响应式调整 */
@media (max-width: 768px) {
    .tech-circle,
    .tech-dots {
        display: none;
    }
    
    .hero-glow {
        opacity: 0.2;
    }
}