/* 
 * 传媒公司网站样式表
 * 独特配色方案：深紫色 + 金色 + 暗灰色
 * 移动端优先设计
 */

:root {
    --primary-color: #2d1b4e;
    --secondary-color: #d4af37;
    --accent-color: #8b5cf6;
    --dark-bg: #0f0a1a;
    --light-bg: #1a1025;
    --text-primary: #f5f5f5;
    --text-secondary: #a8a8a8;
    --gradient-1: linear-gradient(135deg, #2d1b4e 0%, #1a0f2e 100%);
    --gradient-2: linear-gradient(45deg, #d4af37 0%, #f4d03f 100%);
    --shadow-glow: 0 0 30px rgba(212, 175, 55, 0.3);
}

* {
    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(--dark-bg);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
}

/* 导航栏 - 非sticky */
.main-nav {
    background: var(--gradient-1);
    padding: 1rem;
    border-bottom: 2px solid var(--secondary-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--secondary-color);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.nav-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    justify-content: center;
}

.nav-menu li a {
    display: block;
    padding: 0.6rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.nav-menu li a:hover {
    background: var(--accent-color);
    color: #fff;
    transform: translateY(-2px);
}

.cta-btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--gradient-2);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow);
}

.cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(212, 175, 55, 0.5);
}

/* Hero区域 */
.hero-section {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 1rem 2rem;
    background: var(--light-bg);
    font-size: 0.9rem;
}

.breadcrumb-list {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
}

.breadcrumb-list li::after {
    content: '>';
    margin-left: 0.5rem;
    color: var(--text-secondary);
}

.breadcrumb-list li:last-child::after {
    content: '';
}

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

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

/* 内容区域 */
.content-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--secondary-color);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gradient-2);
    border-radius: 2px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
}

/* 服务卡片网格 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: var(--light-bg);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-glow);
}

.service-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card-content {
    padding: 1.5rem;
}

.service-card-title {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
}

.service-card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 关于我们 */
.about-section {
    background: var(--light-bg);
    padding: 4rem 1.5rem;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .about-container {
        grid-template-columns: 1fr 1fr;
    }
}

.about-img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-glow);
}

.about-content h2 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-align: justify;
}

/* 支付方式 */
.payment-section {
    padding: 3rem 1.5rem;
    text-align: center;
}

.payment-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.payment-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 12px;
    min-width: 140px;
    transition: all 0.3s ease;
}

.payment-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.payment-item svg {
    width: 48px;
    height: 48px;
    fill: var(--secondary-color);
}

.payment-item span {
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* FAQ区域 */
.faq-section {
    padding: 4rem 1.5rem;
    background: var(--light-bg);
}

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

.faq-item {
    margin-bottom: 1.5rem;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    overflow: hidden;
}

.faq-question {
    padding: 1.25rem 1.5rem;
    background: var(--primary-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--secondary-color);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: var(--dark-bg);
}

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

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

/* 用户评论 */
.reviews-section {
    padding: 4rem 1.5rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 2rem auto 0;
}

.review-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 16px;
    border-left: 4px solid var(--secondary-color);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.review-info h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
}

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

.review-stars {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.review-content {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.7;
}

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

/* 视频播放模块 */
.video-section {
    padding: 4rem 1.5rem;
    background: var(--dark-bg);
}

.video-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--light-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.video-placeholder:hover {
    background: var(--primary-color);
}

.play-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.play-btn:hover {
    transform: scale(1.1);
}

.play-btn svg {
    width: 32px;
    height: 32px;
    fill: var(--primary-color);
    margin-left: 5px;
}

.video-placeholder span {
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* 客户支持 */
.support-section {
    padding: 4rem 1.5rem;
    background: var(--light-bg);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 2rem auto 0;
}

.support-item {
    text-align: center;
    padding: 2rem;
    background: var(--dark-bg);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.support-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.support-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.support-icon svg {
    width: 32px;
    height: 32px;
    fill: var(--primary-color);
}

.support-item h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

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

/* 页脚 */
.main-footer {
    background: var(--gradient-1);
    padding: 4rem 1.5rem 2rem;
    border-top: 2px solid var(--secondary-color);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.footer-section h3 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

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

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

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.footer-social a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--secondary-color);
}

.footer-social svg {
    width: 22px;
    height: 22px;
    fill: var(--text-primary);
}

.footer-bottom {
    max-width: 1400px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.3);
    text-align: center;
}

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

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

.footer-badge {
    padding: 0.5rem 1rem;
    background: var(--dark-bg);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

/* 内页样式 */
.page-header {
    background: var(--gradient-1);
    padding: 4rem 1.5rem;
    text-align: center;
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.page-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

.article-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

.article-content h2 {
    color: var(--secondary-color);
    font-size: 1.8rem;
    margin: 2.5rem 0 1rem;
}

.article-content h3 {
    color: var(--accent-color);
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
}

.article-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-align: justify;
}

.article-content img {
    width: 100%;
    border-radius: 12px;
    margin: 2rem 0;
}

.article-content ul, .article-content ol {
    color: var(--text-secondary);
    margin: 1rem 0 1.5rem 1.5rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

/* APP下载页面 */
.app-section {
    padding: 4rem 1.5rem;
    text-align: center;
}

.app-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .app-container {
        grid-template-columns: 1fr 1fr;
    }
}

.app-mockup {
    max-width: 100%;
    border-radius: 20px;
}

.app-info h2 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.app-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.app-features {
    text-align: left;
    margin: 2rem 0;
}

.app-features li {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.app-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

.download-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--light-bg);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--secondary-color);
}

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

.download-btn:hover span {
    color: var(--primary-color);
}

.download-btn svg {
    width: 32px;
    height: 32px;
    fill: var(--secondary-color);
}

.download-btn:hover svg {
    fill: var(--primary-color);
}

.download-btn span {
    color: var(--text-primary);
    font-weight: 600;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
    }
    
    .nav-menu {
        width: 100%;
        justify-content: center;
    }
    
    .hero-section {
        min-height: 60vh;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

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

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

/* 懒加载图片占位 */
img[loading="lazy"] {
    background: var(--light-bg);
}

/* 作者信息卡片 */
.author-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 16px;
    margin: 3rem 0;
    border-left: 4px solid var(--secondary-color);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--secondary-color);
}

.author-info h4 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.author-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* 评分星星 */
.rating {
    display: inline-flex;
    gap: 0.25rem;
}

.rating-star {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.rating-star.empty {
    color: var(--text-secondary);
}