/* ========================================
   男同网 - 主样式表
   专业影视制作与传媒服务平台
   ======================================== */

/* CSS变量定义 */
:root {
    --primary-color: #e63946;
    --secondary-color: #1d3557;
    --accent-color: #f4a261;
    --dark-bg: #0d1117;
    --darker-bg: #010409;
    --card-bg: #161b22;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --border-color: #30363d;
    --success-color: #3fb950;
    --warning-color: #d29922;
    --error-color: #f85149;
    --gradient-primary: linear-gradient(135deg, #e63946 0%, #f4a261 100%);
    --gradient-dark: linear-gradient(180deg, #0d1117 0%, #161b22 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --font-primary: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --container-max: 1400px;
    --header-height: 70px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 链接样式 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* 图片响应式 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 列表重置 */
ul, ol {
    list-style: none;
}

/* 按钮重置 */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* 容器 */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   头部导航
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
}

.main-nav {
    height: 100%;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.logo-link {
    display: flex;
    align-items: center;
}

.logo-wrapper {
    margin: 0;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-item a {
    display: block;
    padding: 10px 15px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-item a:hover,
.nav-item.active a {
    color: var(--text-primary);
    background: rgba(230, 57, 70, 0.1);
}

.nav-item.active a {
    color: var(--primary-color);
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    background: var(--gradient-primary);
    color: white !important;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.menu-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    left: 0;
}

.menu-icon::before {
    top: -8px;
}

.menu-icon::after {
    top: 8px;
}

/* ========================================
   面包屑导航
   ======================================== */
.breadcrumb {
    padding: calc(var(--header-height) + 20px) 0 20px;
    background: var(--darker-bg);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
    font-size: 0.9rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: 10px;
    color: var(--text-muted);
}

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

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

.breadcrumb-item.current {
    color: var(--text-primary);
}

/* ========================================
   主内容区域
   ======================================== */
.main-content {
    padding-top: var(--header-height);
}

/* ========================================
   Hero区域
   ======================================== */
.hero-section {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 17, 23, 0.9) 0%, rgba(13, 17, 23, 0.7) 50%, rgba(13, 17, 23, 0.9) 100%);
}

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

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 60px 20px;
    text-align: center;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    padding: 16px 40px;
    background: var(--gradient-primary);
    color: white !important;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* ========================================
   通用区块样式
   ======================================== */
section {
    padding: 80px 0;
}

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

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ========================================
   品牌介绍
   ======================================== */
.brand-intro {
    background: var(--darker-bg);
}

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

.brand-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
    text-align: justify;
}

.brand-text:last-child {
    margin-bottom: 0;
}

/* ========================================
   服务模块
   ======================================== */
.services-section {
    background: var(--dark-bg);
}

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

.service-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    margin: 0 0 20px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.service-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.service-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-features li {
    padding: 6px 14px;
    background: rgba(230, 57, 70, 0.1);
    color: var(--primary-color);
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

/* ========================================
   视频模块
   ======================================== */
.video-section {
    background: var(--darker-bg);
}

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

.video-grid.large {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.video-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.video-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.video-thumbnail {
    position: relative;
    margin: 0;
    aspect-ratio: 16/9;
    overflow: hidden;
}

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

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

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(230, 57, 70, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.play-icon {
    color: white;
    font-size: 1.5rem;
    margin-left: 4px;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.video-info {
    padding: 20px;
}

.video-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-rating {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(244, 162, 97, 0.2);
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-right: 10px;
}

.video-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   案例模块
   ======================================== */
.cases-section {
    background: var(--dark-bg);
}

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

.case-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.case-image {
    margin: 0;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-content {
    padding: 25px;
}

.case-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.case-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.case-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   明星合作模块
   ======================================== */
.stars-section {
    background: var(--darker-bg);
}

.stars-intro {
    max-width: 900px;
    margin: 0 auto 50px;
    text-align: center;
}

.stars-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.stars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.star-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.star-image {
    margin: 0;
    aspect-ratio: 3/4;
    overflow: hidden;
}

.star-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.star-info {
    padding: 25px;
}

.star-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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

/* ========================================
   关于我们模块
   ======================================== */
.about-section {
    background: var(--dark-bg);
}

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

.about-history,
.about-team,
.about-why {
    margin-bottom: 40px;
}

.about-subtitle {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 15px;
    text-align: justify;
}

/* ========================================
   支付方式模块
   ======================================== */
.payment-section {
    background: var(--darker-bg);
}

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

.payment-intro {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
    text-align: center;
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.payment-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.payment-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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

.payment-icons {
    text-align: center;
    margin: 0;
}

.payment-icons img {
    margin: 0 auto;
    max-width: 600px;
}

/* ========================================
   授权模块
   ======================================== */
.license-section {
    background: var(--dark-bg);
}

.license-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 30px;
}

.license-info,
.license-statement {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.license-subtitle {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.license-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.license-badge {
    text-align: center;
    margin: 0;
}

.license-badge img {
    margin: 0 auto;
}

/* ========================================
   负责任观影模块
   ======================================== */
.responsible-section {
    background: var(--darker-bg);
}

.responsible-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 25px;
}

.responsible-item {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.responsible-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.responsible-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
}

.responsible-text:last-child {
    margin-bottom: 0;
}

.responsible-text a {
    color: var(--primary-color);
}

/* ========================================
   客户支持模块
   ======================================== */
.support-section {
    background: var(--dark-bg);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.support-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.support-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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

/* ========================================
   FAQ模块
   ======================================== */
.faq-section {
    background: var(--darker-bg);
}

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

.faq-item {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 20px 25px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: rgba(230, 57, 70, 0.05);
}

.faq-answer {
    padding: 0 25px 20px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   用户评论模块
   ======================================== */
.reviews-section {
    background: var(--dark-bg);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.review-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

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

.review-avatar {
    margin: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

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

.review-meta {
    flex: 1;
}

.review-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.review-location {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.review-rating {
    color: var(--accent-color);
    font-size: 0.9rem;
}

.review-content {
    margin: 0;
    border: none;
    padding: 0;
}

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

.review-date {
    display: block;
    margin-top: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   页脚
   ======================================== */
.site-footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-contact {
    font-style: normal;
}

.footer-contact p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.social-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-links a {
    padding: 8px 16px;
    background: var(--card-bg);
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

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

.social-icons {
    margin: 15px 0 0;
}

.legal-links ul li {
    margin-bottom: 10px;
}

.legal-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.footer-bottom {
    max-width: var(--container-max);
    margin: 40px auto 0;
    padding: 30px 20px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-license {
    margin-bottom: 20px;
}

.footer-license p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.footer-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 0 0 20px;
}

.footer-badges img {
    height: 40px;
    width: auto;
}

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

/* ========================================
   栏目页面样式
   ======================================== */
.category-page {
    padding-top: 0;
}

.channel-intro {
    padding: 40px 0 60px;
    background: var(--darker-bg);
}

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

.channel-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.channel-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.channel-desc {
    max-width: 900px;
    margin: 0 auto;
}

.intro-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 15px;
    text-align: justify;
}

.video-list-section {
    background: var(--dark-bg);
}

.content-section {
    background: var(--darker-bg);
}

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

.content-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.content-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

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

.service-intro {
    background: var(--dark-bg);
}

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

.service-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
    text-align: center;
}

/* 主题颜色变体 */
.theme-purple .channel-title {
    color: #a855f7;
}

.theme-purple .content-subtitle {
    color: #a855f7;
}

.theme-blue .channel-title {
    color: #3b82f6;
}

.theme-blue .content-subtitle {
    color: #3b82f6;
}

.theme-wine .channel-title {
    color: #ec4899;
}

.theme-wine .content-subtitle {
    color: #ec4899;
}

.theme-green .channel-title {
    color: #10b981;
}

.theme-green .content-subtitle {
    color: #10b981;
}

/* ========================================
   下载页面样式
   ======================================== */
.download-page {
    padding-top: 0;
}

.download-hero {
    padding: 40px 0 60px;
    background: var(--darker-bg);
}

.download-hero-content {
    text-align: center;
}

.download-header {
    margin-bottom: 30px;
}

.download-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
}

.download-intro {
    max-width: 700px;
    margin: 0 auto 40px;
}

.download-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.download-image {
    margin: 0 auto;
    max-width: 600px;
}

.download-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.download-buttons-section {
    background: var(--dark-bg);
}

.download-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto 50px;
}

.download-card {
    background: var(--card-bg);
    padding: 35px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.platform-name {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.platform-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    background: var(--gradient-primary);
    color: white !important;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-icon {
    font-size: 1.3rem;
}

.version-info {
    margin-top: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.qr-code-section {
    text-align: center;
    padding: 40px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    max-width: 400px;
    margin: 0 auto;
}

.qr-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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

.qr-code {
    margin: 0;
}

.qr-code img {
    margin: 0 auto;
    border-radius: var(--radius-md);
}

.app-features {
    background: var(--darker-bg);
}

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

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
}

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

.app-reviews {
    background: var(--dark-bg);
}

.app-rating {
    text-align: center;
    margin-bottom: 40px;
}

.rating-score {
    display: block;
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-color);
}

.rating-stars {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.rating-count {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.reviews-list {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 20px;
}

.review-item {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.review-item .review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.reviewer-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.review-text {
    margin: 0;
    border: none;
    padding: 0;
}

.review-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: normal;
}

.install-guide {
    background: var(--darker-bg);
}

.guide-content {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 30px;
}

.guide-section {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.guide-subtitle {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.guide-steps {
    list-style: decimal;
    padding-left: 20px;
}

.guide-steps li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.app-faq {
    background: var(--dark-bg);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    section {
        padding: 50px 0;
    }
    
    .hero-section {
        min-height: 70vh;
    }
    
    .hero-content {
        padding: 40px 20px;
    }
    
    .services-grid,
    .video-grid,
    .cases-grid,
    .stars-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .video-grid.large {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
    
    .download-buttons {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .footer-badges {
        flex-direction: column;
        gap: 15px;
    }
    
    .cta-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}

/* ========================================
   打印样式
   ======================================== */
@media print {
    .site-header,
    .site-footer,
    .cta-btn,
    .play-btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .main-content {
        padding-top: 0;
    }
}