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

:root {
    /* 陶艺主题颜色系统 - 侘寂美学 */
    --primary-color: #3a3632; /* 深陶土色 */
    --secondary-color: #f7f5f3; /* 温暖米白 */
    --accent-color: #c8956d; /* 陶土橘 */
    --accent-secondary: #8b6f47; /* 深陶土 */
    --text-primary: #2d2826; /* 深棕色 */
    --text-secondary: #6b5d56; /* 中性棕 */
    --text-light: #9a8c84; /* 浅棕灰 */
    --white: #fefdfb; /* 温暖白 */
    --black: #1a1715; /* 温暖黑 */
    --background-color: #fefdfb; /* 温暖白背景 */
    --surface-color: #f9f8f6; /* 浅米色 */
    --border-color: #e8e2dd; /* 暖灰边框 */
    
    /* 和果子色彩 */
    --wagashi-pink: #e6b3ba; /* 樱花粉 */
    --wagashi-green: #a8c090; /* 抹茶绿 */
    --wagashi-gold: #d4af37; /* 金箔色 */
    --wagashi-cream: #f5f0e8; /* 奶油色 */
    
    /* 花道色彩 */
    --ikebana-brown: #8b4513; /* 枯枝棕 */
    --ikebana-moss: #6b8e23; /* 苔藓绿 */
    --ikebana-stone: #708090; /* 石器灰 */
    
    /* 渐变色 - 陶艺质感 */
    --gradient-primary: linear-gradient(135deg, #c8956d 0%, #8b6f47 100%);
    --gradient-accent: linear-gradient(45deg, #e6b3ba, #d4af37);
    --gradient-clay: linear-gradient(180deg, #f7f5f3 0%, #e8e2dd 100%);
    
    /* 字体 */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 25px rgba(0,0,0,0.2);
    
    /* 边界半径 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* 深色主题 */
[data-theme="dark"] {
    /* 深色主题颜色系统 */
    --primary-color: #e0e0e0;
    --secondary-color: #2a2a2a;
    --accent-color: #ff7979;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-light: #888888;
    --white: #1a1a1a;
    --black: #ffffff;
    --background-color: #1a1a1a;
    --surface-color: #2a2a2a;
    --border-color: #404040;
    
    /* 深色主题渐变 */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(45deg, #ff7979, #fdcb6e);
    
    /* 深色主题阴影 */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 25px rgba(0,0,0,0.5);
}

/* 基础样式 */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* 加载动画 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.artist-signature {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s ease;
}

.loading-bar {
    width: 200px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.loading-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    animation: loading 2s ease infinite;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
    padding: var(--spacing-xs) 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width var(--transition-normal);
}

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

/* 语言切换器 */
.language-switcher {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    margin-left: var(--spacing-md);
}

.lang-btn {
    padding: var(--spacing-xs) 12px;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    min-width: 45px;
    text-align: center;
}

.lang-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
}

.lang-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

/* 深色模式切换器 */
.theme-switcher {
    display: flex;
    align-items: center;
    margin-left: var(--spacing-sm);
}

.theme-btn {
    padding: 10px;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    transition: all var(--transition-normal);
    position: relative;
}

.theme-btn:hover {
    background: var(--primary-color);
    color: var(--background-color);
    transform: translateY(-1px);
}

.theme-icon {
    width: 20px;
    height: 20px;
    transition: all var(--transition-normal);
    stroke-width: 2;
}

/* 主题图标切换动画 */
.sun-icon {
    transform: rotate(0deg) scale(1);
    opacity: 1;
}

[data-theme="dark"] .sun-icon {
    transform: rotate(180deg) scale(0);
    opacity: 0;
}

.moon-icon {
    position: absolute;
    transform: rotate(-180deg) scale(0);
    opacity: 0;
}

[data-theme="dark"] .moon-icon {
    transform: rotate(0deg) scale(1);
    opacity: 1;
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 主页部分 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-clay);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(200, 149, 109, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(230, 179, 186, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(168, 192, 144, 0.05) 0%, transparent 50%);
}

.hero-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-text {
    z-index: 2;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.hero-title .line {
    display: block;
    transform: translateY(100%);
    animation: slideUp 1s ease forwards;
}

.hero-title .line:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-title .line:nth-child(3) {
    animation-delay: 0.4s;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

/* 日式哲学文字样式 */
.hero-philosophy {
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.japanese-text {
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 500;
    letter-spacing: 0.5em;
    position: relative;
}

.japanese-text::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--accent-color) 0%, transparent 100%);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-xl);
    font-weight: 600;
    transition: all var(--transition-normal);
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.cta-button:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-button svg {
    transition: transform var(--transition-fast);
}

.cta-button:hover svg {
    transform: translate(2px, -2px);
}

/* 陶艺风格按钮 */
.cta-button.pottery-style {
    background: var(--gradient-primary);
    border: 2px solid var(--accent-color);
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.cta-button.pottery-style::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.cta-button.pottery-style:hover::before {
    left: 100%;
}

.cta-button.pottery-style:hover {
    background: var(--accent-secondary);
    border-color: var(--wagashi-gold);
}

/* 陶艺视觉元素 */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pottery-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clay-shape {
    position: absolute;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    background: var(--gradient-primary);
    opacity: 0.8;
    animation: float 6s ease-in-out infinite;
    box-shadow: 
        inset -20px -20px 60px rgba(0,0,0,0.1),
        inset 20px 20px 60px rgba(255,255,255,0.1);
}

.clay-shape.vessel {
    width: 120px;
    height: 160px;
    top: 20%;
    right: 20%;
    background: var(--accent-color);
    border-radius: 40% 40% 60% 60% / 30% 30% 70% 70%;
    animation-delay: -2s;
}

.clay-shape.bowl {
    width: 100px;
    height: 50px;
    bottom: 30%;
    left: 15%;
    background: var(--wagashi-pink);
    border-radius: 50% 50% 50% 50% / 100% 100% 0% 0%;
    animation-delay: -4s;
}

.clay-shape.plate {
    width: 80px;
    height: 20px;
    top: 50%;
    right: 40%;
    background: var(--wagashi-green);
    border-radius: 50%;
    animation-delay: -1s;
}

.texture-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 30% 20%, rgba(139, 111, 71, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 70% 80%, rgba(200, 149, 109, 0.08) 1px, transparent 1px);
    background-size: 20px 20px, 30px 30px;
    opacity: 0.6;
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, var(--accent-color), transparent),
        radial-gradient(2px 2px at 40px 70px, var(--wagashi-pink), transparent),
        radial-gradient(1px 1px at 90px 40px, var(--wagashi-green), transparent),
        radial-gradient(1px 1px at 130px 80px, var(--wagashi-gold), transparent);
    background-size: 200px 150px;
    background-repeat: repeat;
    animation: drift 20s linear infinite;
    opacity: 0.3;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    background: var(--accent-color);
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: #667eea;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    background: #feca57;
    bottom: 20%;
    left: 60%;
    animation-delay: 4s;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9rem;
    opacity: 0;
    animation: fadeInUp 1s ease 1s forwards;
}

.scroll-line {
    width: 2px;
    height: 30px;
    background: var(--text-secondary);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    animation: scrollIndicator 2s ease infinite;
}

/* 章节样式 */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 关于部分 */
.about {
    background: var(--secondary-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* 陶艺哲学元素样式 */
.craft-philosophy {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.philosophy-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.philosophy-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.philosophy-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(200, 149, 109, 0.1), transparent);
    transition: left 0.6s;
}

.philosophy-item:hover::before {
    left: 100%;
}

.philosophy-icon {
    font-size: 1.2rem;
    filter: grayscale(0.3);
    transition: filter var(--transition-normal);
}

.philosophy-item:hover .philosophy-icon {
    filter: grayscale(0);
}

.philosophy-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

.stats {
    display: flex;
    gap: var(--spacing-md);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-frame img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

/* 作品集部分 */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: var(--radius-xl);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

/* 增强版作品卡片样式 */
.artwork-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: var(--surface-color);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    transform: translateY(20px);
    opacity: 0;
}

.artwork-card.animate-in {
    transform: translateY(0);
    opacity: 1;
}

.artwork-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.artwork-card.hovered .artwork-overlay {
    opacity: 1;
}

/* 图片容器 */
.artwork-image-container {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--secondary-color);
}

.artwork-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all var(--transition-slow);
    opacity: 0;
}

.artwork-card.image-loaded .artwork-image {
    opacity: 1;
}

.artwork-card.image-error .artwork-image {
    opacity: 0.3;
}

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

/* 加载占位符 */
.loading-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-color);
    color: var(--text-secondary);
    transition: opacity var(--transition-normal);
}

.artwork-card.image-loaded .loading-placeholder {
    opacity: 0;
    pointer-events: none;
}

/* 悬停覆盖层 */
.artwork-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(0,0,0,0.1) 0%,
        transparent 30%,
        transparent 70%,
        rgba(0,0,0,0.8) 100%
    );
    opacity: 0;
    transition: opacity var(--transition-normal);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--spacing-md);
}

/* 操作按钮 */
.artwork-actions {
    display: flex;
    gap: var(--spacing-xs);
    align-self: flex-end;
}

.action-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.9);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
}

.action-btn:hover {
    background: var(--white);
    transform: scale(1.1);
}

.action-btn svg {
    width: 18px;
    height: 18px;
}

/* 作品元信息 */
.artwork-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 500;
}

.artwork-category {
    background: rgba(255,255,255,0.2);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(5px);
}

.artwork-year {
    opacity: 0.8;
}

/* 作品信息区域 */
.artwork-info {
    padding: var(--spacing-md);
    color: var(--text-primary);
}

.artwork-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.artwork-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.artwork-details-preview {
    display: flex;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-light);
    gap: var(--spacing-xs);
}

.detail-separator {
    opacity: 0.5;
}

/* 全屏模态框样式 */
.fullscreen-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.fullscreen-modal.show {
    opacity: 1;
}

.fullscreen-modal.closing {
    opacity: 0;
}

.fullscreen-content {
    position: relative;
    width: 90vw;
    height: 90vh;
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.fullscreen-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
    backdrop-filter: blur(10px);
}

.fullscreen-close:hover {
    background: rgba(255,255,255,0.2);
}

.fullscreen-close svg {
    width: 20px;
    height: 20px;
}

.fullscreen-image-container {
    position: relative;
    flex: 2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.fullscreen-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform var(--transition-normal);
    cursor: grab;
}

.fullscreen-image:active {
    cursor: grabbing;
}

.image-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top: 3px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fullscreen-info {
    flex: 1;
    color: var(--white);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-lg);
}

.fullscreen-info h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.fullscreen-info p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.fullscreen-details {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    opacity: 0.8;
}

.fullscreen-controls {
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
}

.control-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
}

.control-btn:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.1);
}

.control-btn svg {
    width: 20px;
    height: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .fullscreen-content {
        flex-direction: column;
        width: 95vw;
        height: 95vh;
    }
    
    .fullscreen-image-container {
        flex: 1;
    }
    
    .fullscreen-info {
        flex: none;
        height: auto;
        padding: var(--spacing-md);
    }
    
    .fullscreen-info h2 {
        font-size: 1.5rem;
    }
    
    .fullscreen-info p {
        font-size: 1rem;
    }
    
    .fullscreen-controls {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        margin-top: var(--spacing-md);
        justify-content: center;
    }
}

/* 创作过程部分 */
.process {
    background: var(--secondary-color);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.step {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

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

.step-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto var(--spacing-sm);
}

.step h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.step p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 联系部分 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-item h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
}

.contact-item p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* 联系表单 */
.contact-form {
    background: var(--secondary-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

#contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

#contact-form input,
#contact-form textarea {
    padding: var(--spacing-sm);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    background: var(--white);
    transition: border-color var(--transition-fast);
}

#contact-form input:focus,
#contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.submit-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

/* 页脚 */
.footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-md) 0;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    backdrop-filter: blur(10px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.close-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 2rem;
    cursor: pointer;
    z-index: 1;
    color: var(--white);
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#modal-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#modal-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

#modal-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* 动画关键帧 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(5deg);
    }
}

@keyframes drift {
    0% {
        transform: translate(0px, 0px);
    }
    33% {
        transform: translate(15px, -10px);
    }
    66% {
        transform: translate(-10px, 5px);
    }
    100% {
        transform: translate(0px, 0px);
    }
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes scrollIndicator {
    0% {
        top: -100%;
    }
    100% {
        top: 100%;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: var(--spacing-lg) 0;
        transition: left var(--transition-normal);
    }
    
    .language-switcher {
        margin-left: 0;
        margin-top: var(--spacing-md);
        border-top: 1px solid rgba(0,0,0,0.1);
        padding-top: var(--spacing-md);
    }
    
    .theme-switcher {
        margin-left: 0;
        margin-top: var(--spacing-sm);
        justify-content: center;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stats {
        justify-content: center;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        grid-template-columns: 1fr;
        max-width: 95vw;
    }
    
    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-xs);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}