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

:root {
    --primary-color: #8B4513;
    --secondary-color: #D2B48C;
    --accent-color: #A0522D;
    --light-bg: #F5F5DC;
    --dark-text: #333333;
    --light-text: #666666;
    --border-color: #E6E6E6;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
    color: var(--primary-color);
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-link {
    color: var(--dark-text);
    text-decoration: none;
    font-size: 1.1rem;
    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-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

/* 英雄区域 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: var(--light-bg);
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    font-family: 'Playfair Display', serif;
    color: var(--primary-color);
}

.hero-title .name {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: var(--light-text);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow);
}

.primary-btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(139, 69, 19, 0.3);
}

.secondary-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    margin-left: 20px;
}

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(139, 69, 19, 0.3);
}

/* 通用部分样式 */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    font-family: 'Playfair Display', serif;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: var(--primary-color);
}

/* 关于我 */
.about {
    background-color: white;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
    font-size: 1.1rem;
    color: var(--dark-text);
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.personal-info {
    margin-top: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-item i {
    color: var(--primary-color);
    margin-right: 15px;
    font-size: 1.2rem;
    width: 25px;
    text-align: center;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.avatar-container {
    position: relative;
    width: 300px;
    height: 300px;
}

.avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.avatar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background-color: white;
    border-radius: 50%;
    z-index: 1;
}

/* 技能 */
.skills {
    background-color: var(--light-bg);
}

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

.skill-card {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: var(--shadow);
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.skill-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow);
}

.skill-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-family: 'Playfair Display', serif;
}

.skill-card p {
    color: var(--light-text);
    line-height: 1.6;
}

/* 项目 */
.projects {
    background-color: white;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: var(--shadow);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.project-image {
    height: 200px;
    background-color: var(--light-bg);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.project-card h3 {
    font-size: 1.4rem;
    margin: 20px;
    color: var(--primary-color);
    font-family: 'Playfair Display', serif;
}

.project-card p {
    margin: 0 20px 20px;
    color: var(--light-text);
    line-height: 1.6;
}

/* 联系 */
.contact {
    background-color: var(--light-bg);
}

.contact-content {
    display: flex;
    gap: 60px;
}

.contact-info {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    color: var(--primary-color);
    margin-right: 15px;
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.contact-form {
    flex: 1;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--dark-text);
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.form-textarea {
    height: 150px;
    resize: none;
}

/* 页脚 */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 40px 0;
}

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

.footer-content p {
    font-size: 1.1rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: white;
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-title .name {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .secondary-btn {
        margin-left: 0;
    }
    
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-title .name {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    section {
        padding: 80px 0;
    }
}