:root {
    --primary-color: #e67e22;
    --secondary-color: #8e44ad;
    --accent-color: #e74c3c;
    --light-color: #f9f9f9;
    --dark-color: #2c3e50;
    --text-color: #333;
    --light-text: #fff;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f9f9f9;
    background-image: linear-gradient(to bottom right, #fef9e7, #fdebd0);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 导航栏样式 */
header {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

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

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

.nav-links a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: #f1c40f;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #f1c40f;
    transition: width 0.3s;
}

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

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, var(--primary-color), #d35400);
    color: var(--light-text);
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 100% 100%;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
    animation: fadeInDown 1s;
}

.hero p {
    font-size: 1.5rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    animation: fadeInUp 1s;
}

.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--light-text);
    padding: 0.8rem 1.8rem;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    animation: pulse 2s infinite;
    cursor: pointer;
}

.btn:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* 内容区域样式 */
section {
    padding: 5rem 0;
}

section:nth-child(even) {
    background-color: var(--light-color);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.05);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-color);
    position: relative;
    font-size: 2.5rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 0.5rem auto;
    border-radius: 2px;
}

/* 关于区域样式 */
.about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 3rem;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.about-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
    position: relative;
}

.profile-img {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 8px solid var(--primary-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: transform 0.5s;
}

.profile-img:hover {
    transform: scale(1.05);
}

/* 技能区域样式 */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.skill-category:hover {
    transform: translateY(-10px);
}

.skill-category h3 {
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    font-size: 1.5rem;
    text-align: center;
}

.skill-list {
    list-style-type: none;
}

.skill-list li {
    margin-bottom: 0.8rem;
    padding: 0.8rem;
    background-color: #f8f9fa;
    border-left: 4px solid var(--primary-color);
    border-radius: 4px;
    transition: background-color 0.3s;
}

.skill-list li:hover {
    background-color: #e9ecef;
}

/* 作品集区域样式 */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s;
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.portfolio-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s;
}

.portfolio-item:hover .portfolio-img {
    transform: scale(1.1);
}

.portfolio-info {
    padding: 1.5rem;
    position: relative;
    z-index: 1;
}

.portfolio-info h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    font-size: 1.4rem;
}

/* 表格区域样式 */
.table-container {
    overflow-x: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
}

th, td {
    padding: 1.2rem;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

th {
    background-color: var(--secondary-color);
    color: var(--light-text);
    font-weight: 600;
}

tr:nth-child(even) {
    background-color: #f8f9fa;
}

tr:hover {
    background-color: #e9ecef;
}

/* 多媒体区域样式 */
.video-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.video-placeholder {
    background: linear-gradient(135deg, #8e44ad, #3498db);
    color: white;
    padding: 3rem;
    border-radius: 10px;
    margin-top: 1.5rem;
}

/* 联系区域样式 */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
}

.contact-info {
    flex: 1;
    min-width: 300px;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-info h3 {
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.contact-form {
    flex: 1;
    min-width: 300px;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-list {
    list-style: none;
    margin-top: 1.5rem;
}

.contact-list li {
    margin-bottom: 1.2rem;
    padding: 0.8rem;
    background-color: #f8f9fa;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.contact-list li:hover {
    background-color: #e9ecef;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--dark-color);
}

input, textarea, select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    transition: border-color 0.3s;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(230, 126, 34, 0.2);
}

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

/* 页脚样式 */
footer {
    background-color: var(--dark-color);
    color: var(--light-text);
    padding: 3rem 0 1.5rem;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 1.5rem 0;
}

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

.social-links a {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    font-size: 0.9rem;
    transition: all 0.3s;
    text-decoration: none;
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-5px);
}

.copyright {
    margin-top: 2rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(231, 76, 60, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .about-content, .contact-container {
        flex-direction: column;
    }
    
    .profile-img {
        width: 280px;
        height: 280px;
    }
}