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

/* 全局变量 */
:root {
    --bg-color: #0a0a0f;
    --primary-color: #0f3460;
    --secondary-color: #16213e;
    --accent-color: #e94560;
    --text-color: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: #1e1e2e;
    --hover-color: #1a1a2e;
    --transition: all 0.3s ease;
}

/* 全局样式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

/* 段落样式 */
p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* 链接样式 */
a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-color);
}

.btn-primary:hover {
    background-color: #d03751;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(233, 69, 96, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(233, 69, 96, 0.3);
}

/* 章节标题样式 */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 15, 0.95);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.navbar.scrolled {
    background-color: rgba(10, 10, 15, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.navbar .logo h1 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin: 0;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    position: relative;
    padding: 0.5rem 0;
    font-weight: 500;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* 移动端菜单样式 */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-color);
    border-right: 1px solid var(--border-color);
    z-index: 999;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 2rem;
}

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

.mobile-menu a {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.2rem;
}

.mobile-menu a:hover {
    color: var(--accent-color);
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--primary-color) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none" stroke="%230f3460" stroke-width="0.5" opacity="0.3"/></svg>');
    animation: animateGrid 20s linear infinite;
}

@keyframes animateGrid {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 服务项目样式 */
.services {
    padding: 8rem 0;
    background-color: #ffffff;
    position: relative;
}

.services::before {
    content: none;
}

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

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

.services .section-header h2,
.services .section-header p {
    color: #333333;
}

.services .section-header h2::after {
    background-color: #00b4d8;
}

.service-item {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid #e0e0e0;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 180, 216, 0.1);
    border-color: #00b4d8;
}

.service-item h3 {
    color: #333333;
}

.service-item p {
    color: #666666;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background-color: #e0f7fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #00b4d8;
    transition: var(--transition);
}

.service-item:hover .service-icon {
    background-color: #00b4d8;
    color: #ffffff;
    transform: scale(1.1);
}

/* 作品展示样式 */
.portfolio {
    padding: 8rem 0;
    background-color: #f8f9fa;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio .section-header h2,
.portfolio .section-header p {
    color: #333333;
}

.portfolio .section-header h2::after {
    background-color: #00b4d8;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #e0e0e0;
    transition: var(--transition);
    background-color: #ffffff;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 180, 216, 0.1);
    border-color: #00b4d8;
}

.portfolio-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 180, 216, 0.9), transparent);
    padding: 2rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-overlay h3 {
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.9);
}

/* 关于我们样式 */
.about {
    padding: 8rem 0;
    background-color: var(--bg-color);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 100% 50%, var(--primary-color) 0%, transparent 70%);
    opacity: 0.1;
    z-index: 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-text {
    text-align: left;
}

.about-text .section-header {
    text-align: left;
    margin-bottom: 2rem;
}

.about-text .section-header h2::after {
    left: 0;
    transform: none;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

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

.stat-item h3 {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

/* 联系我们样式 */
.contact {
    padding: 8rem 0;
    background-color: var(--secondary-color);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-color);
    flex-shrink: 0;
}

.contact-form {
    background-color: var(--bg-color);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
}

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

/* 页脚样式 */
.footer {
    background-color: var(--bg-color);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

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

.footer-logo h3 {
    margin-bottom: 1rem;
}

.footer-links h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

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

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(233, 69, 96, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-nav a:hover {
    color: var(--accent-color);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-text .section-header {
        text-align: center;
    }

    .about-text .section-header h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-item {
        max-width: 100%;
    }

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

    .footer-nav {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .