/* 五一吃瓜网官网登录入口 - 主样式表 */
/* 品牌：五一吃瓜网官网登录入口 | 域名：01089.hk */

:root {
    --primary-color: #ff6b9d;
    --secondary-color: #c44569;
    --accent-color: #f8a5c2;
    --dark-bg: #1a1a2e;
    --darker-bg: #16213e;
    --light-text: #ffffff;
    --gray-text: #b0b0b0;
    --gradient-pink: linear-gradient(135deg, #ff6b9d 0%, #c44569 100%);
    --gradient-dark: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    background: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航 */
.header {
    background: var(--darker-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

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

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

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

.nav-menu a {
    color: var(--light-text);
    font-size: 1rem;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: var(--gradient-pink);
    color: white;
}

/* 搜索框 */
.search-bar {
    background: rgba(255,255,255,0.05);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.search-input:focus {
    background: rgba(255,255,255,0.15);
    box-shadow: 0 0 15px rgba(255,107,157,0.3);
}

.search-input::placeholder {
    color: var(--gray-text);
}

.search-btn {
    padding: 12px 30px;
    background: var(--gradient-pink);
    border: none;
    border-radius: 25px;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.search-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(255,107,157,0.4);
}

/* Banner区域 */
.hero-banner {
    position: relative;
    height: 500px;
    overflow: hidden;
    background: var(--gradient-dark);
}

.hero-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    color: var(--gray-text);
}

.hero-btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--gradient-pink);
    color: white;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s ease;
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255,107,157,0.4);
    color: white;
}

/* 区块标题 */
.section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-pink);
    border-radius: 2px;
}

.section-header p {
    color: var(--gray-text);
    margin-top: 15px;
}

/* 视频卡片 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.video-card {
    background: var(--darker-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255,107,157,0.2);
}

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

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: rgba(255,107,157,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 25px solid white;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    margin-left: 5px;
}

.video-card:hover .play-btn {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.8);
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 0.85rem;
}

.video-info {
    padding: 15px;
}

.video-info h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    color: var(--gray-text);
    font-size: 0.85rem;
}

.video-stats {
    display: flex;
    gap: 15px;
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 分类标签 */
.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 30px;
}

.category-tag {
    padding: 8px 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.category-tag:hover,
.category-tag.active {
    background: var(--gradient-pink);
    color: white;
}

/* 专家展示 */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.expert-card {
    background: var(--darker-bg);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.expert-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    overflow: hidden;
    border: 3px solid var(--primary-color);
}

.expert-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.expert-card h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.expert-title {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.expert-desc {
    color: var(--gray-text);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.expert-btn {
    display: inline-block;
    padding: 10px 25px;
    background: var(--gradient-pink);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* 合作伙伴 */
.partner-section {
    background: var(--darker-bg);
}

.partner-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    align-items: center;
}

.partner-logos img {
    max-height: 60px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.partner-logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* FAQ区域 */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--darker-bg);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 20px 20px;
    color: var(--gray-text);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-question::after {
    content: '-';
}

/* 用户评价 */
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.review-card {
    background: var(--darker-bg);
    border-radius: 15px;
    padding: 25px;
}

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

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
}

.review-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-user h4 {
    font-size: 1rem;
    margin-bottom: 3px;
}

.review-stars {
    color: #ffd700;
}

.review-content {
    color: var(--gray-text);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 联系我们 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.contact-card {
    background: var(--darker-bg);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-pink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
}

.contact-card h3 {
    margin-bottom: 10px;
}

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

/* 二维码区域 */
.qrcode-section {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
    margin-top: 40px;
}

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

.qrcode-item img {
    width: 150px;
    height: 150px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.qrcode-item p {
    color: var(--gray-text);
    font-size: 0.9rem;
}

/* 社交分享 */
.social-share {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.social-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-btn:hover {
    background: var(--gradient-pink);
    transform: translateY(-3px);
}

/* 页脚 */
.footer {
    background: var(--darker-bg);
    padding: 50px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

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

.footer-section ul li a {
    color: var(--gray-text);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--gray-text);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 10px;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    color: var(--gray-text);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--gray-text);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb span {
    margin: 0 10px;
}

/* 内页样式 */
.page-header {
    background: var(--gradient-dark);
    padding: 80px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.page-header p {
    color: var(--gray-text);
    font-size: 1.1rem;
}

/* 工具卡片 */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.tool-card {
    background: var(--darker-bg);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(255,107,157,0.2);
}

.tool-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-pink);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.tool-card h3 {
    margin-bottom: 10px;
}

.tool-card p {
    color: var(--gray-text);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.tool-btn {
    display: inline-block;
    padding: 10px 25px;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.tool-btn:hover {
    background: var(--gradient-pink);
    border-color: transparent;
    color: white;
}

/* 社区帖子 */
.post-list {
    max-width: 800px;
    margin: 0 auto;
}

.post-item {
    background: var(--darker-bg);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.post-item:hover {
    transform: translateX(5px);
}

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

.post-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    overflow: hidden;
}

.post-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-user {
    flex: 1;
}

.post-user h4 {
    font-size: 1rem;
    margin-bottom: 3px;
}

.post-time {
    color: var(--gray-text);
    font-size: 0.85rem;
}

.post-content {
    color: var(--gray-text);
    line-height: 1.7;
    margin-bottom: 15px;
}

.post-images {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.post-images img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 10px;
}

.post-actions {
    display: flex;
    gap: 30px;
    color: var(--gray-text);
    font-size: 0.9rem;
}

.post-actions span {
    cursor: pointer;
    transition: color 0.3s ease;
}

.post-actions span:hover {
    color: var(--primary-color);
}

/* 直播卡片 */
.live-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.live-card {
    background: var(--darker-bg);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
}

.live-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #ff4757;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
    z-index: 5;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.live-thumbnail {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.live-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.live-info {
    padding: 15px;
}

.live-info h3 {
    font-size: 1rem;
    margin-bottom: 10px;
}

.live-meta {
    display: flex;
    justify-content: space-between;
    color: var(--gray-text);
    font-size: 0.85rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-banner {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .search-container {
        flex-direction: column;
    }
    
    .search-btn {
        width: 100%;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .qrcode-section {
        gap: 30px;
    }
}

/* 懒加载占位 */
.lazy-load {
    background: linear-gradient(90deg, #2a2a4a 25%, #3a3a5a 50%, #2a2a4a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

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

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}