/* 西安VR全景拍摄服务 - 全局样式 */
/* 主色调：深空黑 #0a0a1a，科技蓝 #00eeff，金属银 #c0c0c0 */

/* 全局重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 50%, #16213e 100%);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* 背景粒子效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 238, 255, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, rgba(0, 238, 255, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 40% 80%, rgba(192, 192, 192, 0.05) 0%, transparent 15%);
    z-index: -1;
    pointer-events: none;
}

/* 粒子动画效果 */
@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); opacity: 0.5; }
    25% { transform: translate(20px, 15px) rotate(90deg); opacity: 0.8; }
    50% { transform: translate(0, 30px) rotate(180deg); opacity: 0.3; }
    75% { transform: translate(-20px, 15px) rotate(270deg); opacity: 0.7; }
    100% { transform: translate(0, 0) rotate(360deg); opacity: 0.5; }
}

/* 霓虹光效 */
.neon-text {
    color: #fff;
    text-shadow: 0 0 5px #00eeff, 0 0 10px #00eeff, 0 0 20px #00eeff, 0 0 40px #0080ff, 0 0 80px #0080ff;
    animation: neon-pulse 2s infinite alternate;
}

@keyframes neon-pulse {
    from { text-shadow: 0 0 5px #00eeff, 0 0 10px #00eeff, 0 0 20px #00eeff, 0 0 40px #0080ff, 0 0 80px #0080ff; }
    to { text-shadow: 0 0 8px #00eeff, 0 0 15px #00eeff, 0 0 30px #00eeff, 0 0 50px #0080ff, 0 0 90px #0080ff; }
}

/* 渐变光影效果 */
.gradient-border {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
}

.gradient-border::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #00eeff, #00aaff, #00eeff, #00aaff);
    z-index: -1;
    border-radius: 17px;
    animation: border-animation 3s linear infinite;
}

@keyframes border-animation {
    0% { background-position: 0 0; }
    100% { background-position: 100% 100%; }
}

/* 全息投影质感 */
h1, h2, h3 {
    position: relative;
}

h1::after, h2::after, h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00eeff, transparent);
    animation: holographic-line 3s infinite linear;
}

@keyframes holographic-line {
    0% { opacity: 0.3; }
    50% { opacity: 1; }
    100% { opacity: 0.3; }
}

/* hover悬浮光效 */
.hover-glow {
    transition: all 0.3s ease;
    position: relative;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 238, 255, 0.5);
    transform: translateY(-5px);
}

/* 页面切换过渡动画 */
body {
    transition: opacity 0.3s ease;
}

/* 内链按钮样式 */
.internal-link {
    color: #00eeff;
    text-decoration: none;
    position: relative;
    padding-bottom: 2px;
}

.internal-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: #00eeff;
    transition: width 0.3s ease;
}

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

/* 关键词水印效果 */
body::after {
    content: '西安VR全景拍摄 720全景服务';
    position: fixed;
    bottom: 20px;
    right: 20px;
    color: rgba(0, 238, 255, 0.1);
    font-size: 24px;
    font-weight: bold;
    transform: rotate(-15deg);
    z-index: -1;
    pointer-events: none;
    white-space: nowrap;
}

/* 容器基础样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 26, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 15px 0;
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.95);
    padding: 10px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #00eeff;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo span {
    color: #c0c0c0;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-left: 30px;
}

.nav-menu a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-menu a:hover {
    color: #00eeff;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #00eeff;
    transition: width 0.3s ease;
}

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

/* 移动端菜单按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
}

/* 页面标题样式 */
.page-title {
    text-align: center;
    margin: 100px 0 50px 0;
    position: relative;
}

.page-title h1 {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.page-title h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #00eeff, transparent);
}

.page-title p {
    color: #c0c0c0;
    font-size: 1.1rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(45deg, #00eeff, #00aaff);
    color: #000000;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 238, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 2px solid #00eeff;
    color: #00eeff;
}

.btn-secondary:hover {
    background: rgba(0, 238, 255, 0.1);
    color: #ffffff;
}

/* 卡片样式 */
.card {
    background: rgba(30, 30, 46, 0.7);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 238, 255, 0.5);
}

.card h3 {
    color: #00eeff;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.card p {
    color: #c0c0c0;
    margin-bottom: 15px;
}

/* 案例展示样式 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.case-item {
    background: rgba(30, 30, 46, 0.7);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(10px);
}

.case-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 238, 255, 0.5);
}

.case-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(45deg, #1a1a2e, #16213e);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00eeff;
    font-size: 1.2rem;
    position: relative;
    overflow: hidden;
}

.case-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0, 238, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: rotate(45deg) translateX(-100%); }
    100% { transform: rotate(45deg) translateX(100%); }
}

.case-content {
    padding: 20px;
}

.case-content h3 {
    color: #ffffff;
    margin-bottom: 10px;
}

.case-content p {
    color: #c0c0c0;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

/* 文章列表样式 */
.article-list {
    margin: 50px 0;
}

.article-item {
    background: rgba(30, 30, 46, 0.7);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(10px);
}

.article-item:hover {
    transform: translateX(10px);
    border-color: rgba(0, 238, 255, 0.5);
}

.article-item h3 {
    color: #00eeff;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.article-item p {
    color: #c0c0c0;
    margin-bottom: 15px;
}

.article-meta {
    color: #888888;
    font-size: 0.9rem;
    border-top: 1px solid rgba(0, 238, 255, 0.1);
    padding-top: 15px;
}

/* 联系方式样式 */
.contact-info {
    background: rgba(30, 30, 46, 0.7);
    border-radius: 15px;
    padding: 40px;
    margin: 50px 0;
    text-align: center;
    border: 1px solid rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(10px);
}

.contact-info h2 {
    color: #00eeff;
    margin-bottom: 20px;
}

.contact-phone {
    font-size: 2rem;
    color: #00eeff;
    margin: 20px 0;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 238, 255, 0.5);
}

.contact-address {
    color: #c0c0c0;
    margin-bottom: 20px;
}

/* 优势展示样式 */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.advantage-item {
    text-align: center;
    padding: 30px 20px;
    background: rgba(30, 30, 46, 0.7);
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(10px);
}

.advantage-item:hover {
    transform: scale(1.05);
    border-color: #00eeff;
}

.advantage-icon {
    font-size: 3rem;
    color: #00eeff;
    margin-bottom: 15px;
}

.advantage-item h3 {
    color: #00eeff;
    margin-bottom: 10px;
}

.advantage-item p {
    color: #c0c0c0;
}

/* 页脚样式 */
.footer {
    background: rgba(10, 10, 26, 0.95);
    padding: 50px 0 20px;
    margin-top: 100px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-section h3 {
    color: #00eeff;
    margin-bottom: 20px;
}

.footer-section p, .footer-section li {
    color: #c0c0c0;
    margin-bottom: 10px;
}

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

.footer-section a {
    color: #c0c0c0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #00eeff;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(0, 238, 255, 0.2);
    color: #888888;
    font-size: 0.9rem;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #c0c0c0;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid rgba(0, 238, 255, 0.3);
    background: rgba(30, 30, 46, 0.5);
    color: #ffffff;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #00eeff;
    box-shadow: 0 0 10px rgba(0, 238, 255, 0.3);
}

/* 面包屑导航 */
.breadcrumb {
    padding: 20px 0;
    color: #c0c0c0;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: #00eeff;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* SEO优化相关 */
.hidden-keywords {
    display: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(10, 10, 26, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 15px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .page-title h1 {
        font-size: 2rem;
    }

    .container {
        padding: 0 15px;
    }

    .contact-info {
        padding: 25px 15px;
    }

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

    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    /* 移动端优化 */
    .banner {
        padding: 100px 0;
        min-height: auto;
        transform: none; /* 避免移动端复杂变换影响性能 */
    }
    
    .banner-content {
        text-align: center;
        padding: 0 15px;
    }
    
    .banner h1 {
        font-size: 2.2rem;
        line-height: 1.3;
    }
    
    .banner h1.neon-text {
        font-size: 2rem;
        text-shadow: 0 0 5px #00eeff, 0 0 10px #00eeff, 0 0 20px #00eeff;
    }
    
    .banner p {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .banner-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .banner-buttons .btn {
        width: 100%;
        max-width: 300px;
        min-width: auto;
    }
    
    .service-area {
        grid-template-columns: 1fr;
    }
    
    .article-list .article-item {
        padding: 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .floating-contact {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    
    .floating-contact .btn {
        width: 50px;
        height: 50px;
        line-height: 50px;
        font-size: 1.2rem;
    }
    
    .tag-cloud {
        justify-content: center;
    }
    
    .panorama-controls {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .panorama-btn {
        margin: 5px;
    }
}

@media (max-width: 480px) {
    .page-title h1 {
        font-size: 1.8rem;
    }

    .contact-phone {
        font-size: 1.5rem;
    }

    .btn {
        padding: 10px 20px;
        width: 100%;
        text-align: center;
        display: block;
        margin: 10px 0;
    }
    
    /* 小屏设备优化 */
    .navbar .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .logo {
        margin-bottom: 10px;
    }
    
    .nav-menu {
        top: 120px;
    }
    
    .breadcrumb {
        font-size: 0.8rem;
        padding: 10px 0;
    }
    
    .card {
        padding: 20px;
    }
    
    .btn {
        padding: 12px 15px;
        font-size: 0.9rem;
    }
    
    /* 小屏设备banner优化 */
    .banner {
        padding: 80px 0;
    }
    
    .banner h1 {
        font-size: 1.8rem;
        line-height: 1.4;
    }
    
    .banner h1.neon-text {
        font-size: 1.6rem;
    }
    
    .banner p {
        font-size: 0.9rem;
    }
    
    .banner-buttons .btn {
        min-width: auto;
        padding: 10px 15px;
        font-size: 0.9rem;
        width: 100%;
        max-width: 280px;
    }
}

/* 超小屏幕设备 */
@media (max-width: 320px) {
    .page-title {
        margin: 50px 0 30px 0;
    }
    
    .page-title h1 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .contact-phone {
        font-size: 1.3rem;
    }
    
    /* 超小屏幕banner优化 */
    .banner {
        padding: 60px 0;
    }
    
    .banner h1 {
        font-size: 1.4rem;
        line-height: 1.3;
    }
    
    .banner h1.neon-text {
        font-size: 1.3rem;
    }
    
    .banner p {
        font-size: 0.8rem;
    }
    
    .banner-buttons {
        gap: 10px;
    }
    
    .banner-buttons .btn {
        padding: 8px 12px;
        font-size: 0.8rem;
        width: 100%;
        max-width: 250px;
    }
}

/* 动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

/* 全景图预览样式 */
.panorama-preview {
    width: 100%;
    height: 400px;
    background: linear-gradient(45deg, #1a1a2e, #16213e);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00eeff;
    font-size: 1.2rem;
}

.panorama-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.panorama-btn {
    background: rgba(0, 238, 255, 0.2);
    border: 1px solid #00eeff;
    color: #ffffff;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.panorama-btn:hover {
    background: rgba(0, 238, 255, 0.5);
}

/* 服务范围展示 */
.service-area {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.service-item {
    background: rgba(30, 30, 46, 0.5);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 238, 255, 0.1);
}

.service-item:hover {
    transform: translateY(-5px);
    border-color: #00eeff;
}

.service-item i {
    font-size: 2rem;
    color: #00eeff;
    margin-bottom: 10px;
    display: block;
}

/* 悬浮联系按钮 */
.floating-contact {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1001;
    animation: pulse 2s infinite;
}

/* 移动端联系按钮 */
.mobile-contact {
    display: none;
}

@media (max-width: 768px) {
    .mobile-contact {
        display: block;
        position: fixed;
        top: 10px;
        right: 10px;
        z-index: 1002;
    }
    
    .mobile-phone-btn {
        display: inline-block;
        padding: 8px 15px;
        background: linear-gradient(45deg, #00eeff, #00aaff);
        color: #000;
        text-decoration: none;
        border-radius: 20px;
        font-size: 0.9rem;
        font-weight: bold;
        box-shadow: 0 4px 15px rgba(0, 238, 255, 0.3);
        transition: all 0.3s ease;
    }
    
    .mobile-phone-btn:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(0, 238, 255, 0.5);
    }
    
    /* 移动端优化：导航栏布局 */
    .navbar .container {
        position: relative;
    }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 238, 255, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(0, 238, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 238, 255, 0); }
}

/* 标签云样式 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.tag {
    background: rgba(0, 238, 255, 0.1);
    color: #00eeff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.tag:hover {
    background: rgba(0, 238, 255, 0.3);
    transform: scale(1.1);
}

/* 内链推荐模块 */
.related-links {
    background: rgba(30, 30, 46, 0.5);
    padding: 20px;
    border-radius: 10px;
    margin: 30px 0;
    border-left: 4px solid #00eeff;
    position: relative;
    overflow: hidden;
}

.related-links::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 238, 255, 0.1), transparent);
    transition: left 1s;
}

.related-links:hover::before {
    left: 100%;
}

.related-links h3 {
    color: #00eeff;
    margin-bottom: 15px;
}

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

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

.related-links a {
    color: #c0c0c0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.related-links a:hover {
    color: #00eeff;
}

/* 霓虹按钮样式 */
.neon-btn {
    position: relative;
    border: none;
    transition: all 0.3s ease;
}

.neon-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 30px;
    background: inherit;
    filter: blur(15px);
    opacity: 0.7;
    z-index: -1;
}

.neon-btn:hover {
    box-shadow: 0 0 15px rgba(0, 238, 255, 0.8);
    transform: translateY(-3px);
}

.neon-btn:hover::before {
    filter: blur(20px);
    opacity: 1;
}

/* 全息投影标题 */
.holographic-heading {
    position: relative;
    animation: holographic-glow 3s infinite alternate;
}

@keyframes holographic-glow {
    0% { text-shadow: 0 0 5px rgba(0, 238, 255, 0.5); }
    100% { text-shadow: 0 0 20px rgba(0, 238, 255, 0.8), 0 0 30px rgba(0, 170, 255, 0.6); }
}

/* 渐变边框效果 */
.gradient-border-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
}

.gradient-border-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #00eeff, #00aaff, #00eeff, #00aaff);
    z-index: -1;
    border-radius: 17px;
    animation: border-animation 3s linear infinite;
}

/* 科技感卡片 */
.tech-card {
    background: rgba(30, 30, 46, 0.7);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 238, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0, 238, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 238, 255, 0.5);
}

/* Banner横幅样式 */
.banner {
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 50%, #16213e 100%);
    padding: 150px 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 238, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(0, 238, 255, 0.05) 0%, transparent 20%);
    z-index: 0;
}

/* Banner科技感动画元素 */
.banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent, rgba(0, 238, 255, 0.03), transparent),
        linear-gradient(135deg, transparent, rgba(0, 170, 255, 0.03), transparent);
    animation: banner-scan 8s linear infinite;
    z-index: 1;
}

@keyframes banner-scan {
    0% { transform: translateX(-100%) rotate(0deg); }
    100% { transform: translateX(100%) rotate(360deg); }
}

.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.banner h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.banner h1 span {
    color: #00eeff;
}

.banner p {
    font-size: 1.2rem;
    color: #c0c0c0;
    margin-bottom: 40px;
}

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

.banner-buttons .btn {
    min-width: 200px;
}

/* 案例网格悬停效果 */
.case-grid .case-item {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.case-grid .case-item:hover {
    transform: translateY(-10px) scale(1.02);
    z-index: 10;
}