/* 麻豆传媒 - 全新原创主题样式 V2 */
/* 域名: qyqzhp.cn */

/* ========== CSS变量定义 ========== */
:root {
    --primary-color: #e91e63;
    --primary-light: #f8bbd9;
    --primary-dark: #c2185b;
    --secondary-color: #9c27b0;
    --accent-color: #ff4081;
    --bg-dark: #1a1a2e;
    --bg-light: #f5f5f7;
    --text-dark: #212121;
    --text-light: #757575;
    --text-white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #e91e63 0%, #9c27b0 100%);
    --gradient-hero: linear-gradient(180deg, rgba(26,26,46,0.9) 0%, rgba(26,26,46,0.7) 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

/* ========== 基础重置 ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

ul, ol {
    list-style: none;
}

/* ========== 容器布局 ========== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

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

/* ========== 顶部导航栏 ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

.logo img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.nav-link:hover {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========== 搜索框 ========== */
.search-bar {
    background: var(--bg-light);
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    margin-top: 70px;
}

.search-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.search-input-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
}

.search-input {
    width: 100%;
    padding: 12px 50px 12px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 30px;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.search-btn:hover {
    transform: translateY(-50%) scale(1.05);
}

.search-btn svg {
    width: 18px;
    height: 18px;
    fill: white;
}

/* ========== Hero区域 ========== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--text-white);
    padding: 40px 20px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255,255,255,0.15);
    border-radius: 30px;
    font-size: 0.9rem;
    margin-bottom: 25px;
    backdrop-filter: blur(5px);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 35px;
    line-height: 1.8;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(233,30,99,0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(233,30,99,0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--text-white);
}

/* ========== 视频卡片网格 ========== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.video-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: white;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

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

.video-card:hover .video-thumb img {
    transform: scale(1.08);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    cursor: pointer;
}

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

.video-play-btn svg {
    width: 24px;
    height: 24px;
    fill: white;
    margin-left: 3px;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 4px 10px;
    background: rgba(0,0,0,0.75);
    color: white;
    font-size: 0.8rem;
    border-radius: 4px;
}

.video-info {
    padding: 18px;
}

.video-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.video-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--text-light);
}

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

.video-meta svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* ========== 分类标签 ========== */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 10px 25px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
}

.category-tab:hover,
.category-tab.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

/* ========== 专家展示 ========== */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.expert-card {
    display: flex;
    gap: 25px;
    padding: 30px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.expert-card:hover {
    box-shadow: var(--shadow-md);
}

.expert-avatar {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-light);
}

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

.expert-info {
    flex: 1;
}

.expert-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.expert-title {
    font-size: 0.95rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.expert-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
}

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

.expert-btn {
    padding: 8px 18px;
    font-size: 0.85rem;
    border-radius: 20px;
}

/* ========== 用户评价 ========== */
.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.review-card {
    padding: 30px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.review-stars {
    display: flex;
    gap: 3px;
    margin-bottom: 15px;
}

.review-stars svg {
    width: 18px;
    height: 18px;
    fill: #ffc107;
}

.review-text {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-author-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.review-author-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
}

.review-author-info span {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ========== 合作品牌 ========== */
.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
    padding: 40px 0;
}

.partner-logo {
    opacity: 0.6;
    transition: var(--transition);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
}

.partner-logo:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* ========== 联系我们 ========== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.contact-info {
    padding: 40px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 25px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-icon {
    width: 45px;
    height: 45px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--primary-color);
}

.contact-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 5px;
}

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

.qrcode-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.qrcode-item {
    text-align: center;
    padding: 25px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.qrcode-item img {
    width: 150px;
    height: 150px;
    margin: 0 auto 15px;
    border-radius: var(--radius-sm);
}

.qrcode-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
}

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

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

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

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

.footer-logo span {
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-desc {
    font-size: 0.95rem;
    opacity: 0.8;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.social-link svg {
    width: 18px;
    height: 18px;
    fill: white;
}

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 0.95rem;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-update {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ========== 面包屑导航 ========== */
.breadcrumb {
    padding: 20px 0;
    background: white;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.breadcrumb-list li:not(:last-child)::after {
    content: '/';
    color: var(--text-light);
}

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

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

.breadcrumb-list li:last-child {
    color: var(--primary-color);
    font-weight: 500;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .expert-grid {
        grid-template-columns: 1fr;
    }
    
    .review-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-desc {
        font-size: 1.1rem;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .review-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .expert-card {
        flex-direction: column;
        text-align: center;
    }
    
    .expert-avatar {
        margin: 0 auto;
    }
    
    .expert-btns {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-btns {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .category-tabs {
        gap: 10px;
    }
    
    .category-tab {
        padding: 8px 18px;
        font-size: 0.85rem;
    }
    
    .qrcode-grid {
        grid-template-columns: 1fr;
    }
}

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

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

/* ========== 懒加载占位 ========== */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-load.loaded {
    opacity: 1;
}

/* ========== 内页样式 ========== */
.page-header {
    background: var(--gradient-primary);
    padding: 100px 0 60px;
    text-align: center;
    color: white;
    margin-top: 70px;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-desc {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.content-section {
    padding: 60px 0;
}

/* ========== 工具卡片 ========== */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tool-card {
    padding: 35px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.tool-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.tool-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--primary-color);
}

.tool-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.tool-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
}

@media (max-width: 992px) {
    .tool-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .tool-grid {
        grid-template-columns: 1fr;
    }
}