/* 海角网 - 主样式表 */
/* 品牌：海角网 | 域名：mcostasilicon.cn */

:root {
    --primary-color: #ff6b9d;
    --secondary-color: #c44569;
    --accent-color: #ff9ff3;
    --dark-color: #2d3436;
    --light-color: #ffeef8;
    --white: #ffffff;
    --gray: #636e72;
    --light-gray: #f5f5f5;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

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

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

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

/* 头部导航 */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

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

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

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: var(--white);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-menu a {
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.2);
    color: var(--white);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
}

/* 搜索框 */
.search-bar {
    background: var(--light-color);
    padding: 15px 0;
}

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

.search-input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--primary-color);
    border-right: none;
    border-radius: 25px 0 0 25px;
    font-size: 16px;
    outline: none;
}

.search-input:focus {
    border-color: var(--secondary-color);
}

.search-btn {
    padding: 12px 25px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 0 25px 25px 0;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
}

.search-btn:hover {
    background: var(--secondary-color);
}

/* Banner轮播 */
.banner {
    position: relative;
    overflow: hidden;
    height: 500px;
}

.banner-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: var(--white);
}

.banner-content h1 {
    font-size: 42px;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.banner-content h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

.banner-content p {
    font-size: 18px;
    opacity: 0.9;
}

.banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: background 0.3s ease;
}

.banner-dot.active {
    background: var(--white);
}

/* 平台数据统计 */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 40px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    color: var(--white);
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

/* 区块标题 */
.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 32px;
    color: var(--dark-color);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

.section-title p {
    color: var(--gray);
    font-size: 16px;
    margin-top: 15px;
}

.section-more {
    text-align: center;
    margin-top: 30px;
}

/* 视频卡片 */
.video-section {
    padding: 60px 0;
    background: var(--light-gray);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.video-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.video-link {
    display: block;
    color: inherit;
}

.video-thumb {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.video-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumb img {
    transform: scale(1.05);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    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;
}

.video-card:hover .play-btn {
    opacity: 1;
}

.play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 18px solid var(--white);
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 5px;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.7);
    color: var(--white);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.video-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--primary-color);
    color: var(--white);
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
}

.video-info {
    padding: 15px;
}

.video-info h3 {
    font-size: 16px;
    margin-bottom: 8px;
    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);
    font-size: 13px;
}

.video-stats {
    display: flex;
    gap: 12px;
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 服务模块 */
.service-section {
    padding: 60px 0;
    background: var(--white);
}

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

.service-card {
    background: var(--light-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.service-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.service-card p {
    color: var(--gray);
    font-size: 14px;
}

/* 专家展示 */
.expert-section,
.consultant-section {
    padding: 60px 0;
    background: var(--white);
}

.consultant-section {
    background: var(--light-gray);
}

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

.expert-card {
    background: var(--light-color);
    border-radius: 15px;
    padding: 30px;
    display: flex;
    gap: 20px;
    transition: transform 0.3s ease;
}

.consultant-section .expert-card {
    background: var(--white);
}

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

.expert-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

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

.expert-info h3 {
    font-size: 20px;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.expert-title {
    color: var(--primary-color);
    font-size: 14px;
    margin-bottom: 10px;
}

.expert-credentials {
    margin-bottom: 10px;
}

.credential-tag {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    margin-right: 5px;
    margin-bottom: 5px;
}

.expert-desc {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.expert-works {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 15px;
}

.expert-btns {
    display: flex;
    gap: 10px;
}

.btn {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* AI模块 */
.ai-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.ai-card {
    background: rgba(255,255,255,0.15);
    border-radius: 12px;
    padding: 25px;
    color: var(--white);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

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

.ai-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.ai-card p {
    font-size: 14px;
    opacity: 0.9;
}

/* 娱乐专区 */
.entertainment-section {
    padding: 60px 0;
    background: var(--white);
}

/* 社区模块 */
.community-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--light-color), #fff5f8);
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.community-card {
    background: var(--white);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

.community-icon {
    width: 60px;
    height: 60px;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 28px;
}

.community-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.community-card p {
    color: var(--gray);
    font-size: 14px;
}

/* 用户评价 */
.review-section {
    padding: 60px 0;
    background: var(--light-gray);
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

.review-card {
    background: var(--white);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.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: 16px;
    margin-bottom: 2px;
}

.review-date {
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 2px;
}

.review-rating {
    color: #ffc107;
    font-size: 14px;
}

.review-content {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.6;
}

/* FAQ */
.faq-section {
    padding: 60px 0;
    background: var(--white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
}

.faq-question {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-color);
    cursor: pointer;
    position: relative;
    padding-right: 30px;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 24px;
    color: var(--primary-color);
}

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

.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-top: 15px;
    color: var(--gray);
    line-height: 1.8;
}

/* 联系我们 */
.contact-section {
    padding: 60px 0;
    background: var(--light-gray);
}

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

.contact-card {
    background: var(--white);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
}

.contact-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.contact-info {
    text-align: left;
}

.contact-info p {
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--gray);
}

.qrcode-img {
    margin: 15px 0;
}

.qrcode-img img {
    width: 150px;
    height: 150px;
    border-radius: 8px;
}

/* 合作伙伴 */
.partner-section {
    padding: 60px 0;
    background: var(--white);
}

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

.partner-logo {
    width: 150px;
    height: 80px;
    background: var(--light-gray);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 页脚 */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 60px 0 30px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-logo img {
    height: 40px;
}

.footer-logo span {
    font-size: 20px;
    font-weight: bold;
}

.footer-desc {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

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

.footer-qrcode img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    margin-bottom: 5px;
}

.footer-qrcode p {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
}

.footer-col h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--white);
}

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

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

.footer-col a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-links {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    margin: 0 10px;
}

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

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    margin-bottom: 10px;
}

.footer-bottom a {
    color: var(--primary-color);
}

.update-time {
    color: rgba(255,255,255,0.5);
    font-size: 12px;
}

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

.social-links a {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 14px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
}

/* 面包屑 */
.breadcrumb {
    background: var(--light-gray);
    padding: 15px 0;
}

.breadcrumb-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.breadcrumb-list li::after {
    content: '>';
    margin-left: 10px;
    color: var(--gray);
}

.breadcrumb-list li:last-child::after {
    display: none;
}

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

.breadcrumb-list .current {
    color: var(--gray);
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 60px 0;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* 页面内容 */
.page-content {
    padding: 60px 0;
}

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

.tool-card {
    background: var(--light-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.tool-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.tool-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.tool-card p {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 20px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-color);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .expert-grid {
        grid-template-columns: 1fr;
    }
    
    .expert-card {
        flex-direction: column;
        text-align: center;
    }
    
    .expert-avatar {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .banner {
        height: 350px;
    }
    
    .banner-content h1 {
        font-size: 28px;
    }
    
    .banner-content h2 {
        font-size: 24px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-qrcodes {
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .banner {
        height: 280px;
    }
    
    .banner-content {
        padding: 20px;
    }
    
    .banner-content h1 {
        font-size: 22px;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .community-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}