/* 哔咔漫画 - 主样式文件 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: #333;
    overflow-x: hidden;
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 2px solid #667eea;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    gap: 20px;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #667eea;
    text-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 25px;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #667eea;
    transform: translateY(-2px);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #667eea;
    transition: width 0.3s ease;
}

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

.search-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 8px 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.search-box input {
    background: transparent;
    border: none;
    color: white;
    outline: none;
    width: 200px;
    font-size: 14px;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-btn {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 16px;
    margin-left: 10px;
}

.auth-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-login {
    background: transparent;
    color: #fff;
    border: 2px solid #667eea;
}

.btn-login:hover {
    background: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-vip {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: #fff;
    border: none;
}

.btn-vip:hover {
    background: linear-gradient(45deg, #5a67d8, #667eea);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 主要内容区域 */
.main-content {
    margin-top: 80px;
    min-height: 100vh;
}

/* 英雄区域 */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
}

.hero-content {
    color: white;
    z-index: 1;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #fff, #667eea, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.3)); }
    to { filter: drop-shadow(0 0 40px rgba(255, 255, 255, 0.6)); }
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: #e2e8f0;
}

.hero-tags {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 15px 40px;
    font-size: 1.2rem;
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 15px 40px;
    font-size: 1.2rem;
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 50px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #f093fb;
    margin-bottom: 5px;
}

.stat-label {
    color: #e2e8f0;
    font-size: 1rem;
}

/* 精选推荐 */
.featured-section {
    padding: 100px 0;
    background: rgba(0, 0, 0, 0.8);
    color: white;
}

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

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 60px;
    color: #667eea;
}

.featured-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.main-comic {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(102, 126, 234, 0.3);
    display: flex;
    gap: 30px;
    align-items: center;
}

.comic-poster {
    font-size: 8rem;
    min-width: 200px;
    text-align: center;
}

.comic-info h3 {
    color: #f093fb;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.comic-info h4 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #fff;
}

.comic-info p {
    color: #cbd5e0;
    line-height: 1.6;
    margin-bottom: 20px;
}

.comic-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.comic-meta span {
    background: rgba(102, 126, 234, 0.2);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    color: #667eea;
}

.comic-tags {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.comic-tag {
    background: rgba(240, 147, 251, 0.2);
    color: #f093fb;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
}

.read-btn {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.read-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.featured-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-comic {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    gap: 15px;
    align-items: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-comic:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.sidebar-poster {
    font-size: 3rem;
    min-width: 60px;
    text-align: center;
}

.sidebar-info h4 {
    color: #fff;
    margin-bottom: 5px;
}

.sidebar-info p {
    color: #cbd5e0;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.sidebar-meta {
    display: flex;
    gap: 10px;
}

.sidebar-meta span {
    color: #667eea;
    font-size: 0.8rem;
}

/* 分类浏览 */
.categories-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 12px 25px;
    border: 2px solid white;
    background: transparent;
    color: white;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.category-tab.active,
.category-tab:hover {
    background: white;
    color: #f093fb;
}

.comics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.comic-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.comic-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.comic-card-poster {
    width: 100%;
    height: 200px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    position: relative;
}

.comic-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #f093fb;
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
}

.comic-card-info {
    padding: 20px;
}

.comic-card-title {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #333;
    font-weight: bold;
}

.comic-card-desc {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.comic-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #888;
}

.load-more {
    text-align: center;
}

.btn-load-more {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-load-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 排行榜 */
.ranking-section {
    padding: 100px 0;
    background: rgba(0, 0, 0, 0.9);
    color: white;
}

.ranking-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.ranking-tab {
    padding: 12px 25px;
    border: 2px solid #667eea;
    background: transparent;
    color: #667eea;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.ranking-tab.active,
.ranking-tab:hover {
    background: #667eea;
    color: white;
}

.ranking-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.ranking-list {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.ranking-list h3 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.ranking-items {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.ranking-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.ranking-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.ranking-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: #f093fb;
    min-width: 30px;
}

.ranking-comic-info h4 {
    color: #fff;
    margin-bottom: 5px;
}

.ranking-comic-info p {
    color: #cbd5e0;
    font-size: 0.9rem;
}

.ranking-featured {
    background: linear-gradient(135deg, rgba(240, 147, 251, 0.1), rgba(245, 87, 108, 0.1));
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(240, 147, 251, 0.3);
}

.ranking-featured h3 {
    color: #f093fb;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.champion-comic {
    text-align: center;
}

.champion-poster {
    font-size: 6rem;
    margin-bottom: 20px;
}

.champion-info h4 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #fff;
}

.champion-info p {
    color: #cbd5e0;
    line-height: 1.6;
    margin-bottom: 20px;
}

.champion-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: 25px;
    font-size: 0.9rem;
    color: #f093fb;
    flex-wrap: wrap;
    gap: 10px;
}

.champion-btn {
    background: linear-gradient(45deg, #f093fb, #f5576c);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.champion-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(240, 147, 251, 0.4);
}

/* 最新更新 */
.updates-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.updates-filter {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.update-filter,
.time-filter {
    padding: 10px 20px;
    border: 2px solid white;
    background: transparent;
    color: white;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
}

.update-filter:hover,
.time-filter:hover {
    background: white;
    color: #667eea;
}

.updates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.update-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    gap: 15px;
    align-items: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.update-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.update-poster {
    font-size: 3rem;
    min-width: 60px;
    text-align: center;
}

.update-info h4 {
    color: #fff;
    margin-bottom: 5px;
}

.update-info p {
    color: #e2e8f0;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.update-meta {
    display: flex;
    gap: 10px;
    font-size: 0.8rem;
    color: #cbd5e0;
}

/* 社区互动 */
.community-section {
    padding: 100px 0;
    background: rgba(0, 0, 0, 0.8);
    color: white;
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.community-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.community-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.community-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.community-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #fff;
}

.community-card p {
    color: #cbd5e0;
    line-height: 1.6;
    margin-bottom: 20px;
}

.community-stats {
    display: flex;
    justify-content: space-around;
    font-size: 0.9rem;
    color: #667eea;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 10px;
}

.community-btn {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.community-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 会员服务 */
.membership-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.membership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.membership-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.membership-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.membership-card.featured {
    border-color: #fff;
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.membership-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    color: #f093fb;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.membership-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #fff;
}

.membership-price {
    margin-bottom: 30px;
}

.price {
    font-size: 3rem;
    font-weight: bold;
    color: #fff;
}

.period {
    font-size: 1rem;
    color: #e2e8f0;
}

.membership-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.membership-features li {
    padding: 8px 0;
    color: #e2e8f0;
}

.membership-btn {
    width: 100%;
    padding: 15px;
    background: #fff;
    color: #f093fb;
    border: none;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.membership-btn:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

/* 用户评价 */
.reviews-section {
    padding: 100px 0;
    background: rgba(0, 0, 0, 0.8);
    color: white;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.review-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.3);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.reviewer-avatar {
    font-size: 3rem;
}

.reviewer-info {
    display: flex;
    flex-direction: column;
}

.reviewer-name {
    font-weight: bold;
    color: #fff;
    margin-bottom: 5px;
}

.review-rating {
    color: #ffd700;
}

.review-card p {
    font-style: italic;
    line-height: 1.6;
    color: #cbd5e0;
}

/* 底部 */
.footer {
    background: rgba(0, 0, 0, 0.9);
    padding: 60px 0 30px;
    text-align: center;
    border-top: 2px solid #667eea;
    color: white;
}

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

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

.footer-section h4 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

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

.footer-section a {
    color: #cbd5e0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #667eea;
}

.contact-info p {
    margin-bottom: 10px;
    color: #cbd5e0;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.2);
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    color: #a0aec0;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #667eea;
}

/* 浮动按钮 */
.floating-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.6);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .search-box {
        width: 150px;
    }
    
    .search-box input {
        width: 100px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .main-comic {
        flex-direction: column;
        text-align: center;
    }
    
    .comics-grid {
        grid-template-columns: 1fr;
    }
    
    .ranking-grid {
        grid-template-columns: 1fr;
    }
    
    .community-grid {
        grid-template-columns: 1fr;
    }
    
    .membership-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-sections {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .ranking-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .updates-filter {
        flex-direction: column;
        align-items: center;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(102, 126, 234, 0.3);
    border-radius: 50%;
    border-top-color: #667eea;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}