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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #0a0a0a;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #1a1a1a;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #f6ca4b;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #e0e0e0;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #f6ca4b;
}

/* 首页英雄区域 */
.hero {
    background: #0a0a0a;
    color: #e0e0e0;
    padding: 150px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    justify-content: flex-start;
    width: 100%;
}

.hero-content {
    text-align: left;
    max-width: 800px;
}

.hero-title {
    font-family: 'Futura', 'Futura Bold', 'Montserrat', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 6rem;
    line-height: 0.7;
    margin-bottom: 3rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.hero-title .hello {
    color: #ffffff;
    font-size: 6rem;
    font-weight: 700;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left center;
    cursor: default;
}

.hero-title .hello:hover {
    color: #f6ca4b;
    transform: scaleX(1.15);
}

.hero-title .im {
    color: #ffffff;
    font-size: 6rem;
    font-weight: 700;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left center;
    cursor: default;
}

.hero-title .im:hover {
    color: #f6ca4b;
    transform: scaleX(1.15);
}

.hero-title .name-liu {
    color: #ffffff;
    font-weight: 700;
    font-size: 6rem;
    display: block;
    margin-bottom: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left center;
    cursor: default;
}

.hero-title .name-liu:hover {
    color: #f6ca4b;
    transform: scaleX(1.15);
}

.hero-title .name-xiangchi {
    color: #ffffff;
    font-weight: 700;
    font-size: 6rem;
    display: block;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left center;
    cursor: default;
}

.hero-title .name-xiangchi:hover {
    color: #f6ca4b;
    transform: scaleX(1.15);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #b0b0b0;
    text-align: left;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #f6ca4b, #ffed4e);
    color: #0a0a0a;
    text-decoration: none;
    border-radius: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
    font-weight: bold;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(246, 202, 75, 0.3);
}

/* 关于我部分 */
.about {
    padding: 80px 0;
    background: #0a0a0a;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #f6ca4b;
}

.about-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

/* 头像样式 */
.about-avatar {
    flex-shrink: 0;
}

.about-avatar img {
    width: 250px;
    height: 250px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid #f6ca4b;
    box-shadow: 0 10px 30px rgba(246, 202, 75, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-avatar img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(246, 202, 75, 0.5);
}

/* 信息卡片样式 */
.about-info-card {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 15px;
    padding: 2rem;
    width: fit-content;
    min-width: 350px;
}

.info-item {
    display: flex;
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-label {
    color: #f6ca4b;
    font-weight: 600;
    min-width: 80px;
    flex-shrink: 0;
}

.info-value {
    color: #e0e0e0;
}

/* 描述文字 */
.about-description {
    max-width: 800px;
    margin: 2rem auto 0;
    text-align: center;
}

.about-description p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #b0b0b0;
}

/* 专业技能部分 */
.skills {
    padding: 80px 0;
    background: #0a0a0a;
}

.skills h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #f6ca4b;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.skill-item {
    background: #1a1a1a;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid #2a2a2a;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(246, 202, 75, 0.2);
    border-color: #f6ca4b;
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.skill-item h3 {
    color: #f6ca4b;
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.skill-item p {
    color: #b0b0b0;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 作品集部分 */
.portfolio {
    padding: 80px 0;
    background: #0a0a0a;
}

.portfolio h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #f6ca4b;
}

.portfolio-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-card {
    display: flex;
    background: #1a1a1a;
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid #2a2a2a;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    height: 250px;
}

.portfolio-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.portfolio-card-link:hover .portfolio-card {
    transform: translateY(-8px);
    border-color: #f6ca4b;
    box-shadow: 0 15px 40px rgba(246, 202, 75, 0.2);
}

.card-left {
    flex: 0 0 65%;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #0a0a0a;
}

.card-left h3 {
    color: #ffffff;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.card-left .software {
    color: #888;
    font-size: 0.95rem;
    line-height: 1.6;
}

.card-right {
    flex: 0 0 35%;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-preview {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.portfolio-preview::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 80px;
    height: 100%;
    background: linear-gradient(to right, rgba(26, 26, 26, 0.8), transparent);
    z-index: 1;
    pointer-events: none;
}

.preview-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 1.2rem;
    transition: transform 0.4s ease;
}

.preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transition: transform 0.4s ease;
}

.preview-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.portfolio-card:hover .preview-image {
    transform: scale(1.05);
}

/* 联系方式部分 */
.contact {
    padding: 80px 0;
    background: #0a0a0a;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #f6ca4b;
}

.contact-info {
    text-align: center;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #e0e0e0;
}

/* 页脚 */
.footer {
    background: #000;
    color: #b0b0b0;
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid #1a1a1a;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-title .hello,
    .hero-title .im,
    .hero-title .name-liu,
    .hero-title .name-xiangchi {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* 关于我部分响应式 */
    .about-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .about-avatar img {
        width: 200px;
        height: 200px;
    }
    
    .about-info-card {
        width: 100%;
    }
    
    .info-label {
        min-width: 60px;
    }
    
    .hero-decoration {
        width: 250px;
        height: 250px;
        right: 5%;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}