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

body {
    font-family: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
    line-height: 1.7;
    background: linear-gradient(
        135deg,
        #e8f4ff 0%,
        #f5f9ff 100%
    );
}

header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    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;
    gap: 1rem;
}

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

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

.nav-links a {
    text-decoration: none;
    color: #333;
    white-space: nowrap;
}

.hero {
    height: 70vh;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: transparent;
    color: #4389e3;
    padding: 2rem;
    position: relative;
}

.hero::before {
    display: none;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: none;
    position: relative;
    color: #4389e3;
}

.hero p {
    text-shadow: none;
    position: relative;
    color: #4389e3;
}

.hero-content {
    margin-top: 1.5rem;
    width: 100%;
    max-width: 1000px;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.tech-badge {
    background: rgba(67, 137, 227, 0.1);
    color: #4389e3;
    border: 1px solid rgba(67, 137, 227, 0.3);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    backdrop-filter: blur(5px);
}

section {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(67, 137, 227, 0.08);
    border-radius: 15px;
    margin-bottom: 2rem;
}

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

.service-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    box-shadow: 0 3px 15px rgba(67, 137, 227, 0.1);
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
}

footer {
    background: linear-gradient(
        135deg,
        #4389e3 0%,
        #5b9be6 100%
    );
    color: #fff;
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 2rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .feature-number {
        font-size: 2rem;
    }
} 

/* 业务经历标题 */
h2 {
    color: #4389e3;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(
        to right,
        #4389e3,
        #5b9be6
    );
    border-radius: 2px;
}

.contact-info {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(67, 137, 227, 0.1);
}

.contact-info p {
    margin: 1rem 0;
    color: #333;
} 

main {
    padding-top: 60px;
} 

.logo {
    font-size: 1.2rem;
    font-weight: 500;
    color: #4389e3;
    white-space: nowrap;
    flex-shrink: 0;
} 

.company-info {
    margin-top: 2rem;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table th,
.info-table td {
    padding: 1.2rem;
    border-bottom: 1px solid rgba(67, 137, 227, 0.2);
}

.info-table th {
    width: 25%;
    text-align: left;
    color: #4389e3;
    font-weight: 500;
    vertical-align: top;
}

.info-table td {
    color: #333;
}

.info-table td ul {
    list-style: none;
    padding: 0;
}

.info-table td ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.2rem;
}

.info-table td ul li::before {
    content: "•";
    color: #4389e3;
    position: absolute;
    left: 0;
}

@media (max-width: 768px) {
    .info-table th,
    .info-table td {
        display: block;
        width: 100%;
    }
    
    .info-table th {
        padding-bottom: 0.5rem;
    }
    
    .info-table td {
        padding-top: 0.5rem;
    }
} 

/* 项目标题样式 */
.project-title {
    color: #4389e3;
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
    border-bottom: 2px solid rgba(67, 137, 227, 0.2);
    padding-bottom: 0.8rem;
    font-weight: 600;
}

/* 项目区域样式 */
.project-section {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(67, 137, 227, 0.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
    h2 {
        font-size: 1.6rem;
    }
    .project-title {
        font-size: 1.3rem;
    }
} 

/* 工作概要和工作内容的标题样式 */
.project-overview h6,
.project-details h6 {
    color: #4389e3;
    font-size: 1.1rem;  /* 增大标签字体 */
    margin: 1.2rem 0 0.8rem;
    font-weight: 600;
}

/* 正文内容样式 */
.project-overview p,
.project-details ul li {
    font-size: 0.95rem;  /* 正文字体稍小 */
    color: #555;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .project-overview h6,
    .project-details h6 {
        font-size: 1rem;
    }
    
    .project-overview p,
    .project-details ul li {
        font-size: 0.9rem;
    }
} 

/* Language Switcher */
.language-switcher {
    margin-left: 20px;
}

.lang-select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
    color: #333;
    font-size: 14px;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.lang-select:hover {
    background-color: #f8f9fa;
    border-color: #ccc;
}

.lang-select:focus {
    border-color: #ccc;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.1);
}

.lang-select option {
    padding: 8px;
    background-color: white;
    color: #333;
}

@media (max-width: 768px) {
    .language-switcher {
        margin: 10px 0;
    }
    
    .lang-select {
        width: 120px;
        margin: 0 auto;
    }
} 

/* 在移动端视图下的样式调整 */
@media (max-width: 768px) {
    nav {
        flex-wrap: wrap;
    }
    
    .nav-links {
        order: 2;
        width: 100%;
        justify-content: space-around;
        margin: 1rem 0;
        padding: 0;
    }
    
    .nav-links li {
        margin: 0;
        font-size: 0.9rem;
    }
    
    .language-switcher {
        order: 1;
    }
} 

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: #4389e3;
    border-radius: 10px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 1rem 0;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

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

    .nav-links a {
        font-size: 1.1rem;
    }

    .language-switcher {
        margin-left: auto;
    }
} 

/* Profile styles */
.profile-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.profile-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    gap: 2rem;
}

.profile-photo {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid #007bff;
}

.profile-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info {
    flex-grow: 1;
}

.profile-info h1 {
    margin: 0 0 0.5rem 0;
    color: #333;
    font-size: 2rem;
}

.profile-info p {
    margin: 0;
    color: #666;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .profile-photo {
        width: 150px;
        height: 150px;
        margin: 0 auto;
    }
} 

/* Career History Timeline */
.career-history {
    margin: 3rem 0;
    padding: 0 1rem;
}

.career-history h2 {
    color: #007bff;
    margin-bottom: 2rem;
    font-size: 24px;
    font-weight: bold;
}

.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: #007bff;
}

.timeline-item {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #007bff;
    border: 2px solid #fff;
}

.timeline-date {
    font-weight: bold;
    color: #007bff;
    margin-bottom: 0.5rem;
    font-size: 18px;
}

.timeline-content {
    color: #333;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 3rem;
    }

    .timeline-item::before {
        left: 9px;
    }

    .timeline-date {
        font-size: 16px;
    }

    .timeline-content {
        font-size: 14px;
    }
} 

.desktop-only {
    display: block;
}

.mobile-lang {
    display: none;
}

@media screen and (max-width: 768px) {
    .desktop-only {
        display: none;
    }

    .mobile-lang {
        display: block;
        margin: 10px 0;
    }

    .mobile-lang .language-switcher {
        width: 100%;
        padding: 0 20px;
    }

    .mobile-lang .lang-select {
        width: 100%;
        padding: 8px;
        border: 1px solid #ddd;
        border-radius: 4px;
        background-color: #fff;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: #fff;
        padding: 20px 0;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

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