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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --dark-bg: #0f172a;
    --dark-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --card-bg: #1e293b;
    --hover-bg: #334155;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.section-padding {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--dark-secondary);
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-lg);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-brand h1 {
    font-size: 24px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.nav-brand span {
    font-size: 12px;
    color: var(--text-muted);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-primary);
}

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

/* ===== 导航栏认证按钮 ===== */
.auth-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-login,
.nav-register {
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.nav-login {
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.nav-login:hover {
    background: var(--hover-bg);
    border-color: var(--primary-color);
}

.nav-register {
    background: var(--gradient-1);
    color: white;
}

.nav-register:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-name {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.user-name:hover {
    color: var(--primary-color);
}

.logout-btn-nav {
    padding: 8px 15px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-btn-nav:hover {
    background: #ef4444;
    border-color: #ef4444;
    color: white;
}

.nav-search {
    display: flex;
    gap: 10px;
    align-items: center;
}

.nav-search input {
    padding: 8px 15px;
    background: var(--dark-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 14px;
    width: 200px;
    transition: all 0.3s ease;
}

.nav-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    width: 250px;
}

.search-btn {
    padding: 8px 20px;
    background: var(--gradient-1);
    border: none;
    border-radius: 20px;
    color: white;
    cursor: pointer;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.search-btn:hover {
    transform: scale(1.05);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ===== 英雄区域 ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 70px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.3);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.8) 0%, rgba(139, 92, 246, 0.8) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 15px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
    color: white;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    font-size: 12px;
    margin-bottom: 10px;
}

.arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(45deg);
    margin: 0 auto;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===== 按钮样式 ===== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* ===== 标签 ===== */
.tags {
    background: var(--dark-secondary);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.tag {
    padding: 8px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

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

/* ===== 章节标题 ===== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 15px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

.section-footer {
    text-align: center;
    margin-top: 50px;
}

/* ===== 漫画卡片 ===== */
.comic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.comic-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.comic-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.comic-image {
    position: relative;
    width: 100%;
    padding-top: 140%;
    overflow: hidden;
}

.comic-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.comic-card:hover .comic-image img {
    transform: scale(1.1);
}

.comic-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.comic-card:hover .comic-overlay {
    opacity: 1;
}

.comic-status {
    align-self: flex-start;
    padding: 5px 12px;
    background: var(--primary-color);
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.comic-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    color: white;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.comic-info {
    padding: 20px;
}

.comic-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.comic-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.comic-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.comic-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.comic-tags .tag {
    padding: 4px 12px;
    font-size: 12px;
}

/* ===== 分类卡片 ===== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 25px;
}

.category-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--dark-bg);
}

.category-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.category-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.category-count {
    display: inline-block;
    padding: 5px 15px;
    background: var(--primary-color);
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

/* ===== 更新列表 ===== */
.update-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.update-item {
    display: flex;
    gap: 20px;
    background: var(--card-bg);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.update-item:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.update-image {
    width: 120px;
    height: 160px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
}

.update-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.update-content {
    flex: 1;
}

.update-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.update-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.update-meta {
    display: flex;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== 关于平台 ===== */
.about-platform {
    padding: 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
    margin: 30px 0;
}

.feature-list li {
    padding: 10px 0;
    font-size: 16px;
    color: var(--text-secondary);
}

.about-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== 特色功能 ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.feature-item {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 15px;
    overflow: hidden;
    background: var(--dark-bg);
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== 技术内容 ===== */
.tech-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.tech-item {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
}

.tech-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.tech-item p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== 创作理念 ===== */
.philosophy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.philosophy-list {
    list-style: none;
    margin-top: 20px;
}

.philosophy-list li {
    padding: 15px 0;
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    border-bottom: 1px solid var(--border-color);
}

.philosophy-list li:last-child {
    border-bottom: none;
}

.philosophy-list strong {
    color: var(--text-primary);
}

/* ===== 页面标题 ===== */
.page-header {
    background: var(--gradient-1);
    padding: 100px 0 60px;
    text-align: center;
    margin-top: 70px;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
}

.page-header p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
}

/* ===== 筛选器 ===== */
.filters {
    background: var(--dark-secondary);
    padding: 30px 0;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-group label {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 600;
}

.filter-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.sort-select {
    padding: 8px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 50px;
}

.page-btn {
    padding: 10px 25px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ===== 联系表单 ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--dark-bg);
}

.contact-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-details h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.contact-details p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.contact-form-wrapper {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 40px;
    border: 1px solid var(--border-color);
}

.contact-form-wrapper h2 {
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

/* ===== 常见问题 ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border-radius: 15px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--hover-bg);
}

.faq-question h3 {
    font-size: 18px;
    color: var(--text-primary);
}

.faq-toggle {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 20px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--dark-secondary);
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-section h3 {
    font-size: 24px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 10px;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-muted);
}

/* ===== 动画效果 ===== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

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

[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* ===== 搜索建议 ===== */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-top: 10px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: var(--shadow-lg);
}

.suggestion-item {
    padding: 12px 20px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover {
    background: var(--hover-bg);
    color: var(--primary-color);
}

.search-box-large {
    display: flex;
    gap: 15px;
    margin: 30px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.search-box-large input {
    flex: 1;
    padding: 15px 20px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-box-large input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-btn-large {
    padding: 15px 40px;
    background: var(--gradient-1);
    border: none;
    border-radius: 25px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.search-btn-large:hover {
    transform: scale(1.05);
}

.search-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.search-header h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.search-filters {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.search-results {
    margin-bottom: 50px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.results-header h2 {
    font-size: 24px;
    color: var(--text-primary);
}

.results-count {
    color: var(--text-secondary);
    font-size: 14px;
}

.popular-searches {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid var(--border-color);
}

.popular-searches h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 20px;
}

.popular-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.popular-tag {
    padding: 10px 20px;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.popular-tag:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 48px;
    }
    
    .comic-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .about-content,
    .philosophy-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--dark-bg);
        flex-direction: column;
        padding: 50px 20px;
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .nav-search {
        width: 100%;
        margin-top: 20px;
        order: 3;
    }
    
    .nav-search input {
        flex: 1;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .comic-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .page-header h1 {
        font-size: 36px;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-buttons {
        width: 100%;
    }
    
    .filter-btn {
        flex: 1;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 500px;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .comic-grid {
        grid-template-columns: 1fr;
    }
    
    .section-padding {
        padding: 50px 0;
    }
    
    .contact-form-wrapper {
        padding: 25px;
    }
}