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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #0a0e27;
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

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

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 50px;
    width: auto;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, #00d4ff, #7b61ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #7b61ff);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #00d4ff;
}

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

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
}

.navbar-menu-mobile {
    display: none;
    list-style: none;
    background-color: rgba(10, 14, 39, 0.98);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 1rem 0;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.navbar-menu-mobile.active {
    display: block;
}

.navbar-menu-mobile li {
    text-align: center;
    margin: 0.5rem 0;
}

/* 英雄区域样式 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(0,212,255,0.1)"/></svg>');
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #00d4ff, #7b61ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #b0b8d4;
    margin-bottom: 2rem;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(90deg, #00d4ff, #7b61ff);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #00d4ff;
    border: 2px solid #00d4ff;
}

.btn-secondary:hover {
    background-color: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

/* 章节通用样式 */
section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(90deg, #00d4ff, #7b61ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 服务介绍样式 */
.services {
    background-color: #121632;
}

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

.service-card {
    background-color: rgba(18, 22, 50, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #00d4ff, #7b61ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #ffffff;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.service-description {
    color: #b0b8d4;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: 0.5rem 0;
    color: #b0b8d4;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-features i {
    color: #00d4ff;
    font-size: 0.875rem;
}

/* 技术优势样式 */
.features {
    background-color: #0a0e27;
}

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

.feature-item {
    text-align: center;
    padding: 2rem;
    background-color: rgba(18, 22, 50, 0.5);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    background-color: rgba(18, 22, 50, 0.8);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #7b61ff, #00d4ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #ffffff;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.feature-description {
    color: #b0b8d4;
    font-size: 0.9375rem;
}

/* 特别声明样式 */
.disclaimer {
    background: linear-gradient(135deg, #7b61ff, #00d4ff);
    padding: 3rem 0;
}

.disclaimer-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
}

.disclaimer-text {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

/* 关于我们样式 */
.about {
    background-color: #121632;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-description {
    color: #b0b8d4;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: rgba(10, 14, 39, 0.5);
    border-radius: 10px;
    border-left: 4px solid #00d4ff;
}

.info-item i {
    color: #00d4ff;
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.info-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #b0b8d4;
    margin-bottom: 0.25rem;
}

.info-item p {
    font-size: 1.125rem;
    font-weight: 700;
    color: #ffffff;
}

/* 联系方式样式 */
.contact {
    background-color: #0a0e27;
}

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

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background-color: rgba(18, 22, 50, 0.5);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background-color: rgba(18, 22, 50, 0.8);
    transform: translateX(5px);
}

.contact-item i {
    color: #00d4ff;
    font-size: 1.5rem;
    margin-top: 0.25rem;
    width: 30px;
    text-align: center;
}

.contact-item p {
    color: #b0b8d4;
    margin: 0;
}

.contact-form {
    background-color: rgba(18, 22, 50, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background-color: rgba(10, 14, 39, 0.5);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
    background-color: rgba(10, 14, 39, 0.8);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #6c75a0;
}

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

/* 页脚样式 */
.footer {
    background-color: #0a0e27;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    padding: 3rem 0 1.5rem;
}

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

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

.footer-logo .logo {
    height: 60px;
}

.footer-logo p {
    color: #b0b8d4;
    font-size: 0.9375rem;
    margin: 0;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #b0b8d4;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00d4ff;
}

.footer-contact p {
    color: #b0b8d4;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-contact i {
    color: #00d4ff;
    width: 20px;
    text-align: center;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    color: #6c75a0;
    font-size: 0.875rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-info {
        order: -1;
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }
    
    .navbar-toggle {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    section {
        padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        align-items: center;
    }
}

/* 滚动动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s infinite;
}