* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans SC', sans-serif;
}

body {
    background-color: #f5f5f5;
}

/* 导航栏样式 */
header {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
}

.logo-text {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    line-height: 1.3;
}

.logo-name {
    font-weight: 700;
}

.logo-en {
    font-weight: 400;
    font-size: 0.5em;
    color: #555;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #007bff;
}

/* 主要内容样式 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #2a0845 0%, #6441A5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 6rem 1rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>') repeat;
    opacity: 0.1;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.7;
    opacity: 0.95;
}

/* 公司介绍 */
.about {
    max-width: 960px;
    margin: 0 auto;
    padding: 5rem 1rem 2rem;
    background-color: #fff;
}

.section-title {
    text-align: center;
    color: #2a0845;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
}

.about-text p {
    color: #555;
    font-size: 1.05rem;
    line-height: 1.85;
    text-align: justify;
    margin-bottom: 1.25rem;
}

.about-text p:last-child {
    margin-bottom: 2.5rem;
}

.about-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.about-figure {
    margin: 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(42, 8, 69, 0.1);
    border: 1px solid rgba(42, 8, 69, 0.08);
}

.about-figure img {
    display: block;
    width: 100%;
    height: auto;
}

.about-block {
    margin-bottom: 2.5rem;
}

.about-block h3 {
    color: #2a0845;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    text-align: center;
}

.vision-statement {
    text-align: center;
    color: #444;
    font-size: 1.15rem;
    line-height: 1.8;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, rgba(42, 8, 69, 0.06) 0%, rgba(100, 65, 165, 0.08) 100%);
    border-radius: 10px;
    border-left: 4px solid #6441A5;
}

.values-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.values-list li {
    background: linear-gradient(145deg, #ffffff 0%, #f8f6fb 100%);
    padding: 1.5rem 1.75rem;
    border-radius: 10px;
    border: 1px solid rgba(42, 8, 69, 0.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.values-list strong {
    display: block;
    color: #2a0845;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.values-list span {
    color: #555;
    font-size: 0.98rem;
    line-height: 1.7;
}

/* 项目业务板块 */
.projects {
    max-width: 960px;
    margin: 0 auto;
    padding: 5rem 1rem 4rem;
}

.projects-intro {
    text-align: center;
    color: #2a0845;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.project-item {
    background: linear-gradient(145deg, #ffffff 0%, #f5f5f5 100%);
    padding: 2rem 2.25rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(42, 8, 69, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(42, 8, 69, 0.12);
}

.project-item-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.project-num {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #2a0845 0%, #6441A5 100%);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-item h2 {
    font-size: 1.25rem;
    color: #333;
    font-weight: 600;
}

.project-item p {
    color: #555;
    font-size: 1.05rem;
    line-height: 1.85;
    text-align: justify;
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: white;
    padding: 3rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.contact-info {
    margin-bottom: 2rem;
}

.contact-info h4 {
    margin-bottom: 1rem;
}

.contact-info p {
    margin: 0.5rem 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

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

    nav {
        flex-direction: column;
        padding: 1rem;
    }

    nav ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .projects-intro {
        font-size: 1.6rem;
    }

    .project-item {
        padding: 1.5rem;
    }

    .project-item h2 {
        font-size: 1.1rem;
    }

    .project-item p {
        font-size: 0.98rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .about-gallery {
        grid-template-columns: 1fr;
    }

    .values-list {
        grid-template-columns: 1fr;
    }

    .vision-statement {
        padding: 1.25rem 1rem;
        font-size: 1rem;
    }
}

html {
    scroll-behavior: smooth;
}

section {
    scroll-margin-top: 80px;
}