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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.z50e90container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.z50e90navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    min-height: 70px;
}

.z50e90nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.z50e90nav-logo {
    display: flex;
    align-items: center;
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
}

.z50e90nav-logo i {
    margin-right: 10px;
    color: #00d4ff;
    font-size: 1.8rem;
}

.z50e90nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.z50e90nav-item {
    list-style: none;
}

.z50e90nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.z50e90nav-link:hover {
    color: #00d4ff;
}

.z50e90nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00d4ff;
    transition: width 0.3s ease;
}

.z50e90nav-link:hover::after {
    width: 100%;
}

.z50e90hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    width: 30px;
    height: 30px;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1001;
}

.z50e90bar {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 2px 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border-radius: 2px;
    position: relative;
}

.z50e90bar:nth-child(1) {
    transform-origin: center;
}

.z50e90bar:nth-child(2) {
    transform-origin: center;
}

.z50e90bar:nth-child(3) {
    transform-origin: center;
}

/* 主横幅样式 */
.z50e90hero {
    min-height: 80vh;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.z50e90hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.z50e90hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.2;
}

.z50e90highlight {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.z50e90hero-subtitle {
    font-size: 1.2rem;
    color: #b0b0b0;
    margin-bottom: 30px;
    line-height: 1.6;
}

.z50e90hero-features {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.z50e90feature-item {
    display: flex;
    align-items: center;
    color: #fff;
    font-weight: 500;
}

.z50e90feature-item i {
    margin-right: 8px;
    color: #00d4ff;
}

.z50e90hero-buttons {
    display: flex;
    gap: 20px;
}

.z50e90btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.z50e90btn-primary {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: #fff;
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.z50e90btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

.z50e90btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #00d4ff;
}

.z50e90btn-secondary:hover {
    background: #00d4ff;
    transform: translateY(-2px);
}

.z50e90hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    height: 400px;
}

.z50e90image-gallery {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.z50e90image-item {
    position: absolute;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(0, 212, 255, 0.3);
    transition: all 0.5s ease;
    opacity: 0.8;
}

.z50e90image-item:hover {
    opacity: 1;
    transform: scale(1.05);
    border-color: rgba(0, 212, 255, 0.6);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.2);
}

.z50e90image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

/* 图片位置和大小设置 */
.z50e90image-1 {
    width: 120px;
    height: 80px;
    top: 15%;
    left: 15%;
    animation: float1 6s ease-in-out infinite;
}

.z50e90image-2 {
    width: 100px;
    height: 70px;
    top: 25%;
    right: 20%;
    animation: float2 7s ease-in-out infinite;
}

.z50e90image-3 {
    width: 140px;
    height: 90px;
    bottom: 20%;
    left: 10%;
    animation: float3 8s ease-in-out infinite;
}

.z50e90image-4 {
    width: 110px;
    height: 75px;
    bottom: 25%;
    right: 15%;
    animation: float4 6.5s ease-in-out infinite;
}

.z50e90image-5 {
    width: 130px;
    height: 85px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float5 7.5s ease-in-out infinite;
}

/* 浮动动画 */
@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(-3deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(1deg); }
}

@keyframes float4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(-2deg); }
}

@keyframes float5 {
    0%, 100% { transform: translate(-50%, -50%) rotate(0deg); }
    50% { transform: translate(-50%, -60%) rotate(3deg); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}





/* 服务项目样式 */
.z50e90services {
    padding: 60px 0;
    background: #f8f9fa;
}

.z50e90section-header {
    text-align: center;
    margin-bottom: 40px;
}

.z50e90section-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #1a1a2e;
    margin-bottom: 20px;
}

.z50e90section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.z50e90services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.z50e90service-card {
    background: #fff;
    padding: 30px 25px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
    position: relative;
    overflow: hidden;
}

.z50e90service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(45deg, #00d4ff, #0099cc);
}

.z50e90service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.z50e90service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.z50e90service-icon i {
    font-size: 1.8rem;
    color: #fff;
}

.z50e90service-card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    color: #1a1a2e;
    margin-bottom: 15px;
}

.z50e90service-card p {
    color: #666;
    line-height: 1.6;
}

/* 联系方式样式 */
.z50e90contact {
    padding: 60px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
}

/* 联系方式板块的标题样式覆盖 */
.z50e90contact .z50e90section-title {
    color: #fff;
}

.z50e90contact .z50e90section-subtitle {
    color: #b0b0b0;
}

.z50e90contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.z50e90contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.z50e90contact-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.z50e90contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.z50e90contact-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.z50e90contact-details h3 {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #00d4ff;
}

.z50e90contact-details p {
    color: #b0b0b0;
    line-height: 1.6;
}

.z50e90faq-section {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.z50e90faq-header {
    text-align: center;
    margin-bottom: 25px;
}

.z50e90faq-header h3 {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #00d4ff;
}

.z50e90faq-header p {
    color: #b0b0b0;
}

.z50e90faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.z50e90faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.z50e90faq-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.z50e90faq-question {
    padding: 18px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.z50e90faq-question:hover {
    background: rgba(0, 212, 255, 0.05);
}

.z50e90faq-question h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin: 0;
    flex: 1;
}

.z50e90faq-question i {
    color: #00d4ff;
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.z50e90faq-item.active .z50e90faq-question i {
    transform: rotate(180deg);
}

.z50e90faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(0, 212, 255, 0.02);
}

.z50e90faq-answer p {
    padding: 0 18px 18px;
    color: #b0b0b0;
    line-height: 1.6;
    margin: 0;
}

/* 页脚样式 */
.z50e90footer {
    background: #0f0f23;
    color: #fff;
    padding: 40px 0 20px;
}

.z50e90footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.z50e90footer-section h3,
.z50e90footer-section h4 {
    color: #00d4ff;
    margin-bottom: 20px;
    font-weight: bold;
}

.z50e90footer-section p {
    color: #b0b0b0;
    line-height: 1.6;
    margin-bottom: 20px;
}

.z50e90footer-section ul {
    list-style: none;
}

.z50e90footer-section ul li {
    color: #b0b0b0;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.z50e90footer-section ul li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #00d4ff;
    font-size: 0.8rem;
}

.z50e90footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    color: #b0b0b0;
}

/* 友情链接样式 */
.z50e90friendship-links {
    background: #0a0a1a;
    padding: 40px 0;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.z50e90friendship-links h3 {
    color: #00d4ff;
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.5rem;
    font-weight: bold;
}

.z50e90friendship-links ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.z50e90friendship-links li {
    margin: 0;
}

.z50e90friendship-links a {
    color: #b0b0b0;
    text-decoration: none;
    padding: 8px 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.z50e90friendship-links a:hover {
    color: #00d4ff;
    border-color: #00d4ff;
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .z50e90container {
        padding: 0 15px;
    }

    /* 移动端导航栏重置 */
    .z50e90nav-container {
        padding: 0 15px;
    }

    .z50e90nav-logo {
        font-size: 1.3rem;
    }

    .z50e90nav-logo span {
        font-size: 1.2rem;
    }
    .z50e90hamburger {
        display: flex;
    }

    .z50e90nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(135deg, rgba(26, 26, 46, 0.95) 0%, rgba(22, 33, 62, 0.95) 100%);
        backdrop-filter: blur(20px);
        width: 100%;
        height: calc(100vh - 70px);
        text-align: center;
        transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        padding: 30px 0;
        border-bottom: 1px solid rgba(0, 212, 255, 0.2);
        gap: 0;
        justify-content: flex-start;
        overflow-y: auto;
    }

    .z50e90nav-menu.active {
        left: 0;
        animation: slideIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    /* 菜单遮罩层 */
    .z50e90nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: -1;
    }

    .z50e90nav-menu.active::before {
        opacity: 1;
        visibility: visible;
    }

    .z50e90nav-item {
        margin: 15px 0;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
    }

    .z50e90nav-menu.active .z50e90nav-item {
        opacity: 1;
        transform: translateY(0);
    }

    .z50e90nav-menu.active .z50e90nav-item:nth-child(1) {
        transition-delay: 0.1s;
    }

    .z50e90nav-menu.active .z50e90nav-item:nth-child(2) {
        transition-delay: 0.2s;
    }

    .z50e90nav-menu.active .z50e90nav-item:nth-child(3) {
        transition-delay: 0.3s;
    }

    .z50e90nav-menu.active .z50e90nav-item:nth-child(4) {
        transition-delay: 0.4s;
    }

    .z50e90nav-link {
        font-size: 1.1rem;
        padding: 15px 20px;
        border-radius: 10px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        display: block;
        width: 100%;
        text-align: center;
    }

    .z50e90nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
        transition: left 0.5s ease;
    }

    .z50e90nav-link:hover::before {
        left: 100%;
    }

    .z50e90nav-link:hover {
        background: rgba(0, 212, 255, 0.1);
        transform: translateX(5px);
    }

    .z50e90hamburger.active .z50e90bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
        background: #00d4ff;
    }

    .z50e90hamburger.active .z50e90bar:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }

    .z50e90hamburger.active .z50e90bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
        background: #00d4ff;
    }

    .z50e90hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .z50e90hero-title {
        font-size: 2.5rem;
    }

    .z50e90hero-features {
        justify-content: center;
        flex-wrap: wrap;
    }

    .z50e90hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .z50e90hero-visual {
        height: 300px;
    }

    .z50e90image-1 {
        width: 80px;
        height: 60px;
        top: 5%;
        left: 5%;
    }

    .z50e90image-2 {
        width: 70px;
        height: 50px;
        top: 15%;
        right: 10%;
    }

    .z50e90image-3 {
        width: 90px;
        height: 60px;
        bottom: 20%;
        left: 3%;
    }

    .z50e90image-4 {
        width: 75px;
        height: 55px;
        bottom: 10%;
        right: 5%;
    }

    .z50e90image-5 {
        width: 85px;
        height: 60px;
    }



    .z50e90services-grid {
        grid-template-columns: 1fr;
    }

    .z50e90contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .z50e90contact-item {
        flex-direction: column;
        text-align: center;
    }

    .z50e90section-title {
        font-size: 2rem;
    }

    .z50e90friendship-links {
        padding: 30px 0;
    }

    .z50e90friendship-links ul {
        gap: 15px;
    }

    .z50e90friendship-links a {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
}

@media (max-width: 600px) {
    .z50e90nav-container {
        padding: 0 12px;
    }

    .z50e90nav-logo span {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .z50e90container {
        padding: 0 10px;
    }

    /* 小屏幕导航栏优化 */
    .z50e90nav-container {
        padding: 0 10px;
        height: 60px;
    }

    .z50e90nav-logo {
        font-size: 1.1rem;
    }

    .z50e90nav-logo span {
        font-size: 1rem;
    }

    .z50e90nav-logo i {
        font-size: 1.4rem;
    }

    .z50e90hamburger {
        width: 28px;
        height: 28px;
    }

    .z50e90bar {
        width: 22px;
        height: 2.5px;
        margin: 1.5px 0;
    }

    .z50e90nav-menu {
        padding: 25px 0;
        top: 60px;
        height: calc(100vh - 60px);
    }

    .z50e90nav-item {
        margin: 12px 0;
        width: 100%;
    }

    .z50e90nav-link {
        font-size: 1rem;
        padding: 12px 15px;
        width: 100%;
        display: block;
    }
    .z50e90hero-title {
        font-size: 2rem;
    }

    .z50e90hero-subtitle {
        font-size: 1rem;
    }

    .z50e90btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .z50e90service-card {
        padding: 30px 20px;
    }

    .z50e90faq-section {
        padding: 30px 20px;
    }

    .z50e90hero-visual {
        height: 250px;
    }

    .z50e90image-1 {
        width: 60px;
        height: 45px;
        top: 3%;
        left: 3%;
    }

    .z50e90image-2 {
        width: 50px;
        height: 40px;
        top: 10%;
        right: 5%;
    }

    .z50e90image-3 {
        width: 70px;
        height: 50px;
        bottom: 15%;
        left: 2%;
    }

    .z50e90image-4 {
        width: 55px;
        height: 40px;
        bottom: 8%;
        right: 3%;
    }

    .z50e90image-5 {
        width: 65px;
        height: 45px;
    }

    .z50e90friendship-links {
        padding: 25px 0;
    }

    .z50e90friendship-links h3 {
        font-size: 1.3rem;
        margin-bottom: 20px;
    }

    .z50e90friendship-links ul {
        gap: 10px;
    }

    .z50e90friendship-links a {
        padding: 5px 10px;
        font-size: 0.8rem;
    }

}