/* 基础样式 */
:root {
    --primary-color: #1a1a1a;
    --secondary-color: #00ff88;
    --accent-color: #ff3366;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --dark-bg: #1a1a1a;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --gradient: linear-gradient(135deg, var(--secondary-color), #00ccff);
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: #fff;
}

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

/* 导航栏样式 */
.header {
    background: rgba(26, 26, 26, 0.95);
    padding: 1.2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    color: white;
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    position: relative;
    padding: 0.5rem 0;
}

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

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

/* 移动端菜单样式 */
.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
    padding: 5px;
}

.mobile-menu span {
    width: 30px;
    height: 3px;
    background: white;
    transition: 0.3s;
    display: block;
}

.mobile-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--dark-bg);
    padding: 80px 30px 30px;
    transition: 0.3s ease;
    z-index: 1000;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav-link {
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: color 0.3s ease;
}

.mobile-nav-link:hover {
    color: var(--secondary-color);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: 0.3s ease;
    z-index: 999;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 主视觉区域样式 */
.hero {
    padding: 160px 0 100px;
    background: var(--dark-bg);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 255, 136, 0.1), transparent 70%);
}

.hero-badges {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.badge:hover {
    background: var(--secondary-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
}

.hero-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.hero-image {
    position: relative;
}

.hero-img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
}

.hero-img:hover {
    transform: translateY(-10px);
}

/* 按钮样式 */
.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    border: none;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 服务项目样式 */
.services {
    padding: 100px 0;
    background: var(--light-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    color: #666;
    font-size: 1.1rem;
}

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

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-features {
    list-style: none;
    margin: 1.5rem 0;
}

.service-features li {
    margin-bottom: 0.8rem;
    padding-left: 1.8rem;
    position: relative;
}

.service-features li::before {
    content: "→";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

.service-link {
    display: inline-block;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: bold;
    margin-top: 1rem;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: var(--accent-color);
}

/* 服务流程样式 */
.process {
    padding: 100px 0;
    background: white;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
    font-weight: bold;
    position: relative;
    z-index: 1;
}

.step-number::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    border-radius: 50%;
    z-index: -1;
    animation: pulse 2s infinite;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.step-features {
    list-style: none;
    margin-top: 1rem;
    padding: 0;
}

.step-features li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
}

.step-features li::before {
    content: "→";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

/* 服务优势样式 */
.features {
    padding: 100px 0;
    background: var(--light-bg);
}

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

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-list {
    list-style: none;
    margin-top: 1rem;
    padding: 0;
}

.feature-list li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
}

.feature-list li::before {
    content: "✓";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

/* 客户评价样式 */
.testimonials {
    padding: 100px 0;
    background: var(--light-bg);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.author-name {
    font-weight: bold;
    color: var(--primary-color);
}

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

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-card {
    background: var(--dark-bg);
    padding: 3rem;
    border-radius: var(--border-radius);
    color: white;
}

.contact-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.contact-features {
    margin-top: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.feature-icon {
    font-size: 1.5rem;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--secondary-color);
    outline: none;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.contact-form select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #eee;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
    cursor: pointer;
}

.contact-form select:focus {
    border-color: var(--secondary-color);
    outline: none;
}

.contact-form select option {
    padding: 1rem;
}

/* 页脚样式 */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

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

.footer-col ul li {
    margin-bottom: 1rem;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }

    .hero h1 {
        font-size: 3rem;
    }
    
    .hero-main {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        max-width: 600px;
        margin: 0 auto;
    }

    .services-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .process-steps {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr 2fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav-links {
        display: none;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .mobile-nav {
        display: block;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-badges {
        flex-wrap: wrap;
        justify-content: center;
    }

    .badge {
        font-size: 0.9rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }
    
    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .step {
        padding: 1.5rem;
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        text-align: center;
        padding: 1.5rem;
    }

    .contact-card {
        padding: 2rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }
    
    .badge {
        width: 100%;
        text-align: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }
    
    .service-card,
    .feature-card {
        padding: 1.5rem;
    }

    .service-icon,
    .feature-icon {
        font-size: 2.5rem;
    }
    
    .step-features,
    .feature-list {
        text-align: left;
    }

    .testimonial-content p {
        font-size: 1rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.8rem;
    }

    .footer-col h4 {
        font-size: 1.1rem;
    }

    .footer-col ul li {
        margin-bottom: 0.8rem;
    }
}

/* 添加平板设备的特殊优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero-main {
        gap: 2rem;
    }

    .hero-image {
        max-width: 500px;
    }

    .service-card,
    .feature-card {
        padding: 2rem;
    }

    .process-steps {
        gap: 1.5rem;
    }
}

/* 添加大屏幕设备的优化 */
@media (min-width: 1025px) {
    .container {
        max-width: 1400px;
    }

    .hero-main {
        gap: 5rem;
    }

    .hero-image {
        max-width: 600px;
    }

    .services-grid,
    .features-grid {
        gap: 3rem;
    }

    .process-steps {
        gap: 4rem;
    }
}