/* 基础样式 */
:root {
    --primary-color: #00f0ff;
    --secondary-color: #ff3366;
    --dark-color: #0a0a0a;
    --light-color: #f8f9fa;
    --gray-color: #2d2d2d;
    --text-color: #e0e0e0;
    --text-dark: #1a1a1a;
    --transition: all 0.3s ease;
    --border-radius: 4px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    background-color: var(--dark-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* 工具类 */
.text-highlight {
    color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 240, 255, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--text-dark);
    transform: translateY(-3px);
}

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

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
}

.section-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
}

/* 加载动画 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--dark-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader-circle {
    width: 80px;
    height: 80px;
    border: 5px solid rgba(0, 240, 255, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loader-text {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 2px;
    text-transform: uppercase;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
}

.navbar.scrolled {
    padding: 15px 5%;
    box-shadow: var(--box-shadow);
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    position: relative;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 5% 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.7);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-top: 40px;
}

.hero-image {
    flex: 1;
    position: relative;
    height: 100%;
}

.image-container {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.1s ease-out;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

/* 功能区域 */
.features {
    padding: 100px 5%;
    background-color: rgba(0, 0, 0, 0.3);
}

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

.feature-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 240, 255, 0.1);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    background-color: rgba(0, 240, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background-color: var(--primary-color);
    color: var(--text-dark);
    transform: rotateY(180deg);
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* 作品展示 */
.gallery {
    padding: 100px 5%;
}

.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 400px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    bottom: 0;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* 定价区域 */
.pricing {
    padding: 100px 5%;
    background-color: rgba(0, 0, 0, 0.3);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: translateY(-20px);
    box-shadow: 0 20px 40px rgba(0, 240, 255, 0.2);
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background-color: var(--secondary-color);
    color: var(--text-dark);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.pricing-card h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.price {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.price span {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.features-list {
    margin-bottom: 30px;
}

.features-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* 联系区域 */
.contact {
    padding: 100px 5%;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.7);
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.info-item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 240, 255, 0.1);
    border-radius: 50%;
    margin-right: 15px;
    color: var(--primary-color);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--text-dark);
    transform: translateY(-5px);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-color);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

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

/* 页脚 */
.footer {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 60px 5% 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.link-group h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.link-group a {
    display: block;
    margin-bottom: 10px;
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.legal-links {
    display: flex;
    gap: 20px;
}

.legal-links a:hover {
    color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 150px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        margin-top: 50px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--dark-color);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: var(--transition);
    }

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

    .nav-toggle {
        display: block;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease forwards;
}