/* 
 * 里番动漫网站样式表
 * 独特配色方案：深紫+霓虹粉+暗蓝渐变
 * 移动端优先设计
 */

:root {
    --primary-gradient: linear-gradient(135deg, #1a0a2e 0%, #16213e 50%, #0f3460 100%);
    --accent-pink: #ff2e63;
    --accent-purple: #9d4edd;
    --accent-cyan: #00d9ff;
    --text-light: #e8e8e8;
    --text-muted: #a0a0a0;
    --card-bg: rgba(26, 10, 46, 0.85);
    --border-glow: rgba(157, 78, 221, 0.4);
    --shadow-color: rgba(255, 46, 99, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
    background: var(--primary-gradient);
    color: var(--text-light);
    line-height: 1.8;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 容器布局 */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 顶部导航 - 非固定 */
.site-header {
    background: linear-gradient(180deg, rgba(26, 10, 46, 0.98) 0%, rgba(22, 33, 62, 0.95) 100%);
    padding: 1rem 0;
    border-bottom: 2px solid var(--border-glow);
    position: relative;
}

.header-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-wrap img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    box-shadow: 0 0 20px var(--shadow-color);
}

.site-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: 2px solid var(--accent-pink);
    color: var(--accent-pink);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
}

/* 主导航 */
.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.main-nav a {
    color: var(--text-light);
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    background: rgba(157, 78, 221, 0.1);
    border: 1px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    border-color: var(--accent-pink);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-color);
}

/* 英雄横幅区域 */
.hero-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 3rem 1rem;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
    filter: blur(2px);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 30px var(--accent-pink);
    line-height: 1.3;
}

.hero-title span {
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-pink), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--shadow-color);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--accent-cyan);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--accent-cyan);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--accent-cyan);
    color: #1a0a2e;
}

/* 章节标题 */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple));
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 1.5rem auto 0;
}

/* 内容区块 */
.content-section {
    padding: 4rem 0;
}

.content-section:nth-child(even) {
    background: rgba(15, 52, 96, 0.3);
}

/* 动漫卡片网格 */
.anime-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.anime-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-glow);
    transition: all 0.4s ease;
    position: relative;
}

.anime-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-color);
    border-color: var(--accent-pink);
}

.anime-card-img {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.anime-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.anime-rating {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    color: #fff;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.anime-card-body {
    padding: 1.25rem;
}

.anime-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.anime-card-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.anime-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    background: rgba(157, 78, 221, 0.2);
    color: var(--accent-purple);
    padding: 0.3rem 0.7rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

/* 视频播放模块 */
.video-section {
    padding: 4rem 0;
    background: linear-gradient(180deg, rgba(26, 10, 46, 0.9), rgba(15, 52, 96, 0.8));
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.video-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-glow);
    transition: all 0.4s ease;
}

.video-card:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 50px var(--shadow-color);
}

.video-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 30px var(--shadow-color);
}

.play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 22px solid #fff;
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
    margin-left: 5px;
}

.play-btn:hover {
    transform: translate(-50%, -50%) scale(1.15);
}

.video-info {
    padding: 1.5rem;
}

.video-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.video-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* 影评模块 */
.review-section {
    padding: 4rem 0;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.review-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-glow);
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 5rem;
    color: var(--accent-purple);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.review-content {
    position: relative;
    z-index: 1;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.review-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 600;
}

.author-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.review-rating {
    margin-top: 1rem;
    color: #ffd700;
    font-size: 1.2rem;
}

/* 团队介绍 */
.team-section {
    padding: 4rem 0;
    background: rgba(26, 10, 46, 0.6);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 2rem;
}

.team-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-glow);
    transition: all 0.4s ease;
}

.team-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-cyan);
}

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
}

.team-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--accent-cyan);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.team-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* 授权认证模块 */
.auth-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(26, 10, 46, 0.95), rgba(15, 52, 96, 0.9));
}

.auth-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.auth-badge {
    text-align: center;
}

.auth-badge img {
    max-width: 200px;
    border-radius: 20px;
    box-shadow: 0 0 40px var(--shadow-color);
}

.auth-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--accent-cyan);
}

.auth-list {
    list-style: none;
}

.auth-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-glow);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.auth-list li::before {
    content: '✓';
    color: var(--accent-pink);
    font-weight: bold;
}

/* 常见问题 */
.faq-section {
    padding: 4rem 0;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border-radius: 16px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-glow);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: var(--accent-pink);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--accent-purple);
    transition: transform 0.3s ease;
}

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

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-muted);
    line-height: 1.8;
}

/* 用户评论 */
.testimonial-section {
    padding: 4rem 0;
    background: rgba(15, 52, 96, 0.4);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-glow);
}

.testimonial-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
}

.user-info h4 {
    font-size: 1.05rem;
    font-weight: 600;
}

.user-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.testimonial-rating {
    color: #ffd700;
    font-size: 1.1rem;
}

.testimonial-content {
    line-height: 1.8;
    color: var(--text-light);
}

.testimonial-date {
    margin-top: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 关于我们 */
.about-section {
    padding: 4rem 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--accent-pink);
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.9;
    color: var(--text-light);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.feature-item {
    background: rgba(157, 78, 221, 0.1);
    padding: 1.2rem;
    border-radius: 12px;
    text-align: center;
}

.feature-item span {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* 客户支持 */
.support-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(26, 10, 46, 0.9), rgba(15, 52, 96, 0.85));
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.support-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-glow);
    transition: all 0.4s ease;
}

.support-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-pink);
}

.support-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.support-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.support-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* 页脚 */
.site-footer {
    background: linear-gradient(180deg, rgba(26, 10, 46, 0.98), #0a0612);
    padding: 4rem 0 2rem;
    border-top: 2px solid var(--border-glow);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-pink);
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-purple);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--accent-cyan);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(157, 78, 221, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    transform: translateY(-3px);
}

.payment-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.payment-icons span {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-glow);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--accent-pink);
}

/* 面包屑导航 */
.breadcrumb {
    padding: 1rem 0;
    background: rgba(26, 10, 46, 0.5);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.breadcrumb-list a {
    color: var(--accent-cyan);
    text-decoration: none;
}

.breadcrumb-list a:hover {
    text-decoration: underline;
}

/* 内页样式 */
.page-header {
    padding: 3rem 0;
    background: linear-gradient(135deg, rgba(26, 10, 46, 0.95), rgba(15, 52, 96, 0.9));
    text-align: center;
}

.page-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-desc {
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.page-content {
    padding: 3rem 0;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.content-wrapper h2 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--accent-pink);
}

.content-wrapper h3 {
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem;
    color: var(--accent-cyan);
}

.content-wrapper p {
    margin-bottom: 1.5rem;
    line-height: 1.9;
}

.content-wrapper ul {
    margin: 1rem 0 1.5rem 1.5rem;
}

.content-wrapper li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.content-image {
    margin: 2rem 0;
    border-radius: 16px;
    overflow: hidden;
}

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

/* APP下载页面 */
.app-section {
    padding: 4rem 0;
    text-align: center;
}

.app-preview {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 3rem 0;
}

.app-screen {
    background: var(--card-bg);
    border-radius: 30px;
    padding: 1rem;
    border: 3px solid var(--border-glow);
    max-width: 280px;
}

.app-screen img {
    border-radius: 20px;
    width: 100%;
}

.download-btns {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: var(--card-bg);
    padding: 1rem 2rem;
    border-radius: 15px;
    border: 2px solid var(--border-glow);
    text-decoration: none;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.download-btn:hover {
    border-color: var(--accent-pink);
    transform: translateY(-3px);
}

.download-btn .icon {
    font-size: 2rem;
}

.download-btn .text {
    text-align: left;
}

.download-btn .text small {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.download-btn .text strong {
    font-size: 1.1rem;
}

/* 视频播放器 */
.video-player {
    position: relative;
    aspect-ratio: 16/9;
    background: #000;
    border-radius: 20px;
    overflow: hidden;
    margin: 2rem 0;
}

.video-player video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .auth-content,
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-features {
        max-width: 400px;
        margin: 2rem auto 0;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        padding-top: 1rem;
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .main-nav a {
        text-align: center;
        padding: 1rem;
    }
    
    .hero-section {
        min-height: 60vh;
    }
    
    .anime-grid,
    .video-grid,
    .review-grid,
    .team-grid,
    .testimonial-grid,
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .cta-group {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* 懒加载占位 */
.lazy-placeholder {
    background: linear-gradient(90deg, var(--card-bg) 25%, rgba(157, 78, 221, 0.1) 50%, var(--card-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}