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

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ff6b6b;
}

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

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #ff6b6b;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #ff6b6b;
    transition: width 0.3s ease;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 2px 0;
    transition: all 0.3s ease;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    padding: 0 20px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: float 15s linear infinite;
}

@keyframes float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    100% {
        transform: translate(-80px, -80px) rotate(360deg);
    }
}

/* 英雄区域额外的装饰元素 */
.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

.hero .hero-content::before {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 10%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite reverse;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    opacity: 0;
    transform: translateY(50px) scale(0.9);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.hero-content h2.animate {
    opacity: 1;
    transform: translateY(0) scale(1);
    animation: textGlow 3s ease-in-out infinite alternate;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transition-delay: 0.3s;
}

.hero-content p.animate {
    opacity: 1;
    transform: translateY(0);
}

/* 文字发光动画 */
@keyframes textGlow {
    from {
        text-shadow: 0 0 10px rgba(255, 255, 255, 0.5), 0 0 20px rgba(255, 107, 107, 0.3);
    }
    to {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.8), 0 0 30px rgba(78, 205, 196, 0.5);
    }
}

.btn {
    display: inline-block;
    background-color: #fff;
    color: #ff6b6b;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px) scale(0.9);
    transition-delay: 0.6s;
}

.btn.animate {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.btn:hover {
    background-color: #f8f9fa;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.6);
}

.btn:active {
    transform: translateY(-2px) scale(0.98);
}

/* 按钮发光效果 */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

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

/* 通用部分样式 */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.section-title.animate {
    opacity: 1;
    transform: translateY(0);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4);
    border-radius: 2px;
}

/* 服务区域 */
.services {
    background-color: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #f9f9f9;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.service-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
    font-size: 2rem;
    animation: pulse 2s infinite;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

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

/* 作品展示 */
.portfolio {
    background-color: #f8f9fa;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.portfolio-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: all 0.5s ease;
}

.portfolio-item:hover img {
    transform: scale(1.1);
    filter: brightness(0.8);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: #fff;
    padding: 30px;
    transform: translateY(100%);
    transition: all 0.3s ease;
}

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

.portfolio-overlay h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.portfolio-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 关于我们 */
.about {
    background-color: #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.about-content.animate {
    opacity: 1;
    transform: translateY(0);
}

.about-text p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 联系我们 */
.contact {
    background-color: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.contact-content.animate {
    opacity: 1;
    transform: translateY(0);
}

.contact-form {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff6b6b;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
}

.contact-info p {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.6;
}

.social-links {
    margin-top: 30px;
    display: flex;
    gap: 15px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f9f9f9;
    color: #333;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: #ff6b6b;
    color: #fff;
    transform: rotate(360deg) translateY(-5px);
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #ff6b6b;
}

.footer-logo p {
    color: #ccc;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #fff;
}

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

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

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #ff6b6b;
    padding-left: 5px;
}

.footer-contact h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #fff;
}

.footer-contact p {
    color: #ccc;
    margin-bottom: 10px;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
    color: #ccc;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 40px;
    border-radius: 10px;
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: slideIn 0.3s ease;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #666;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #ff6b6b;
}

.modal-body {
    padding: 20px 0;
}

.modal-body h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #333;
    font-weight: 700;
}

.modal-body p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.modal-body .service-features {
    margin: 30px 0;
}

.modal-body .service-features h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.modal-body .service-features ul {
    list-style: none;
    padding: 0;
}

.modal-body .service-features li {
    margin-bottom: 10px;
    color: #666;
    position: relative;
    padding-left: 25px;
}

.modal-body .service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4ecdc4;
    font-weight: bold;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 鼠标拖尾效果 */
.mouse-trail {
    position: fixed;
    width: 4px;
    height: 4px;
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.6;
    transition: all 0.1s ease;
}

/* 动画效果 */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .menu-toggle {
        display: flex;
    }

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

    .hero-content p {
        font-size: 1.1rem;
    }

    section {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.8rem;
    }

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

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

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

    .service-card {
        padding: 30px;
    }

    .contact-form {
        padding: 30px;
    }

    .modal-content {
        width: 95%;
        padding: 30px;
        margin: 20% auto;
    }
}