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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #0a0e17;
    background-image: linear-gradient(135deg, #0a0e17 0%, #121827 100%);
}

/* 头部导航 */
header {
    background-color: rgba(18, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    color: #e0e0e0;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: bold;
    color: #00ffff;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

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

.nav-tabs li {
    margin-left: 2rem;
}

.nav-tabs a {
    color: #b0b0b0;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-tabs a:hover, .nav-tabs a.active {
    color: #00ffff;
    border-bottom-color: #00ffff;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.4);
}

/* 主要内容区域 */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* 首页英雄区域 */
.hero {
    background: linear-gradient(135deg, #0f1419 0%, #16213e 50%, #0f3460 100%);
    color: #e0e0e0;
    border-radius: 8px;
    padding: 4rem 3rem;
    margin-bottom: 3rem;
    box-shadow: 0 4px 30px rgba(0, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid rgba(0, 255, 255, 0.1);
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(138, 43, 226, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, #0f1419 0%, #16213e 50%, #0f3460 100%);
}

.hero-content {
    flex: 1;
    margin-right: 3rem;
}

.hero-content h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    color: #00ffff;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
}

.hero-content p {
    font-size: 1.3rem;
    color: rgba(224, 224, 224, 0.9);
    margin-bottom: 2rem;
}

.hero-image {
    flex: 1;
    background-color: rgba(0, 255, 255, 0.05);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(0, 255, 255, 0.1);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 255, 255, 0.2);
}

/* 特性区域 */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.feature {
    background-color: rgba(18, 24, 39, 0.8);
    border-radius: 8px;
    padding: 2.5rem 2rem;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border-top: 4px solid #00ffff;
    border: 1px solid rgba(0, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.feature:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 255, 255, 0.2);
    border-color: rgba(0, 255, 255, 0.3);
}

.feature img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.8rem;
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.feature h3 {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: #00ffff;
    font-weight: 600;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
}

.feature p {
    color: #b0b0b0;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* 业务介绍页面 */
.services h2 {
    font-size: 2.2rem;
    margin-bottom: 2.5rem;
    color: #00ffff;
    text-align: center;
    font-weight: 600;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(0, 255, 255, 0.2);
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.services a {
    color: #00ffff;
    text-decoration: none;
    transition: all 0.3s ease;
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
}

.services a:hover {
    color: #00ffff;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.7);
    text-decoration: underline;
}

.services-content {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

.service-item {
    background-color: rgba(18, 24, 39, 0.8);
    border-radius: 8px;
    padding: 2.5rem;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
    border-left: 4px solid #00ffff;
    border: 1px solid rgba(0, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.service-item img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.service-item h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #00ffff;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.service-item p {
    font-size: 1.15rem;
    color: #b0b0b0;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 制作流程样式 */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.process-step {
    background-color: rgba(10, 14, 23, 0.9);
    border-radius: 8px;
    padding: 1.8rem;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 255, 255, 0.2);
    border-color: rgba(0, 255, 255, 0.3);
}

.process-step img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.3);
}

.step-number {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: rgba(0, 255, 255, 0.15);
    border: 2px solid #00ffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #00ffff;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.process-step h4 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #00ffff;
    font-weight: 600;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
}

.process-step p {
    font-size: 1.05rem;
    color: #b0b0b0;
    line-height: 1.7;
    margin: 0;
}

/* 服务流程样式 */
.service-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-step {
    background-color: rgba(10, 14, 23, 0.9);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 255, 255, 0.1);
    text-align: center;
}

.service-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 255, 255, 0.2);
    border-color: rgba(0, 255, 255, 0.3);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.service-step h4 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #00ffff;
    font-weight: 600;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
}

.service-step p {
    font-size: 1.05rem;
    color: #b0b0b0;
    line-height: 1.7;
    margin: 0;
}

/* 关于我们页面 */
.about h2 {
    font-size: 2.2rem;
    margin-bottom: 2.5rem;
    color: #00ffff;
    text-align: center;
    font-weight: 600;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(0, 255, 255, 0.2);
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.about-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.about-text {
    background-color: rgba(18, 24, 39, 0.8);
    border-radius: 8px;
    padding: 2.5rem;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.8rem;
    color: #00ffff;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.about-text p {
    font-size: 1.15rem;
    color: #b0b0b0;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* 页脚 */
footer {
    background-color: rgba(10, 14, 23, 0.9);
    color: #e0e0e0;
    padding: 3rem 0;
    margin-top: 4rem;
    border-top: 1px solid rgba(0, 255, 255, 0.1);
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.3);
}

footer > div {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact p {
    font-size: 1.2rem;
    color: #b0b0b0;
}

.contact p strong {
    color: #00ffff;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.4);
}

.copyright p {
    color: #666;
    font-size: 0.95rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-tabs li {
        margin: 0 1rem;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 2rem;
    }

    .hero-content {
        margin-right: 0;
        margin-bottom: 2.5rem;
    }

    .hero-content h2 {
        font-size: 2.2rem;
    }

    .about-content {
        flex-direction: column;
    }

    footer > div {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    main {
        padding: 1.5rem;
    }

    .hero {
        padding: 2.5rem 1.5rem;
    }

    .feature {
        padding: 2rem 1.5rem;
    }

    .service-item, .about-text {
        padding: 2rem 1.5rem;
    }
}