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

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent: #d4a574;
    --accent-hover: #e8c9a0;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

/* 导航栏 */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.lang-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* 首页 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
                url('https://images.unsplash.com/photo-1452587925148-ce544e77e70d?w=1920') center/cover;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    letter-spacing: 3px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--accent);
    color: var(--bg-primary);
    text-decoration: none;
    font-size: 1rem;
    letter-spacing: 2px;
    transition: all 0.3s;
}

.cta-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* 作品集 */
.portfolio {
    padding: 6rem 3rem;
}

.portfolio h2, .about h2, .contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    letter-spacing: 3px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    transform: translateY(100%);
    transition: transform 0.3s;
}

.gallery-item:hover .overlay {
    transform: translateY(0);
}

.overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.overlay p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 关于 */
.about {
    padding: 6rem 3rem;
    background: var(--bg-secondary);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* 联系 */
.contact {
    padding: 6rem 3rem;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

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

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

.contact-info a {
    color: var(--accent);
    text-decoration: none;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-btn {
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
}

.social-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* 页脚 */
footer {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 响应式 */
@media (max-width: 768px) {
    nav {
        padding: 1rem 1.5rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a {
        font-size: 0.85rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .portfolio, .about, .contact {
        padding: 4rem 1.5rem;
    }
    
    .gallery {
        grid-template-columns: 1fr;
    }
}