/* ============================================
   电车痴汉影视传媒 - 主样式表
   ============================================ */

/* CSS变量定义 */
:root {
    --primary-color: #e63946;
    --primary-dark: #c1121f;
    --secondary-color: #1d3557;
    --accent-color: #f4a261;
    --text-color: #2b2d42;
    --text-light: #8d99ae;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
    --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: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

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

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

/* ============================================
   头部导航
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-color);
    box-shadow: var(--shadow-sm);
}

.main-nav {
    height: var(--header-height);
}

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

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

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: block;
    padding: 10px 16px;
    color: var(--text-color);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(230, 57, 70, 0.08);
}

.nav-link.cta-btn {
    background: var(--primary-color);
    color: #fff;
    margin-left: 8px;
}

.nav-link.cta-btn:hover {
    background: var(--primary-dark);
    color: #fff;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-color);
    position: absolute;
    left: 8px;
    transition: var(--transition);
}

.menu-icon {
    top: 50%;
    transform: translateY(-50%);
}

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

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

/* ============================================
   面包屑导航
   ============================================ */
.breadcrumb {
    background: var(--bg-light);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
}

.breadcrumb-list li:not(:last-child)::after {
    content: '/';
    margin-left: 8px;
    color: var(--text-light);
}

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

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

.breadcrumb-list li[aria-current="page"] {
    color: var(--text-color);
    font-weight: 500;
}

/* ============================================
   主内容区
   ============================================ */
.main-content {
    flex: 1;
}

/* 通用区块样式 */
section {
    padding: 60px 0;
}

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

.section-header h2 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* ============================================
   首页横幅
   ============================================ */
.hero-section {
    position: relative;
    height: 70vh;
    min-height: 500px;
    max-height: 800px;
    overflow: hidden;
    padding: 0;
}

.hero-image-wrapper {
    position: absolute;
    inset: 0;
}

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

.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.6));
}

.hero-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    z-index: 1;
    padding: 20px;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 32px;
    opacity: 0.9;
}

.hero-cta {
    display: inline-block;
    padding: 16px 48px;
    background: var(--primary-color);
    color: #fff;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.hero-cta:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   页面标题区
   ============================================ */
.page-hero {
    background: linear-gradient(135deg, var(--secondary-color), var(--bg-dark));
    color: #fff;
    text-align: center;
    padding: 80px 20px;
}

.page-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.page-hero .page-subtitle {
    font-size: 1.125rem;
    opacity: 0.85;
}

.page-hero-patriotic {
    background: linear-gradient(135deg, #c1121f, #780000);
}

.page-hero-education {
    background: linear-gradient(135deg, #2a9d8f, #264653);
}

.page-hero-artist {
    background: linear-gradient(135deg, #e07a5f, #3d405b);
}

.page-hero-sakura {
    background: linear-gradient(135deg, #ffb5a7, #f8ad9d);
}

.page-hero-download {
    background: linear-gradient(135deg, #4361ee, #3a0ca3);
}

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

.brand-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

/* ============================================
   栏目介绍
   ============================================ */
.category-intro {
    background: var(--bg-light);
}

.intro-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

/* 艺人介绍特殊样式 */
.artist-profile {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    align-items: start;
}

.artist-photo img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.artist-bio p {
    margin-bottom: 16px;
}

/* ============================================
   服务模块
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

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

.service-card h3 {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   视频分类
   ============================================ */
.video-categories {
    background: var(--bg-dark);
    color: #fff;
}

.video-categories .section-header h2 {
    color: #fff;
}

.video-categories .section-subtitle {
    color: rgba(255,255,255,0.7);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.video-card {
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.1);
}

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

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

.video-duration,
.video-rating {
    position: absolute;
    padding: 4px 8px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.video-duration {
    bottom: 8px;
    right: 8px;
}

.video-rating {
    top: 8px;
    left: 8px;
    background: var(--primary-color);
}

.video-card h3 {
    font-size: 1.125rem;
    padding: 16px 16px 8px;
}

.video-card p {
    padding: 0 16px 16px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

/* ============================================
   内容网格
   ============================================ */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.content-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.content-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.content-thumb {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

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

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

.content-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    background: var(--primary-color);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.content-info {
    padding: 20px;
}

.content-info h3 {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.content-info p {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 12px;
}

.content-meta {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-light);
}

/* ============================================
   案例展示
   ============================================ */
.cases-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.case-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.case-card:nth-child(even) {
    direction: rtl;
}

.case-card:nth-child(even) > * {
    direction: ltr;
}

.case-image {
    aspect-ratio: 3/2;
    overflow: hidden;
}

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

.case-content {
    padding: 30px;
}

.case-content h3 {
    font-size: 1.375rem;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.case-content p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.case-date {
    display: block;
    font-size: 0.875rem;
    color: var(--primary-color);
}

/* ============================================
   明星合作
   ============================================ */
.celebrity-intro {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
}

.celebrity-intro p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-light);
}

.celebrity-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.celebrity-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.celebrity-card img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
}

.celebrity-card figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 60px 20px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: #fff;
}

.celebrity-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.celebrity-card p {
    font-size: 0.875rem;
    opacity: 0.85;
    line-height: 1.5;
}

/* ============================================
   视频播放器
   ============================================ */
.video-player-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.video-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.main-video {
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
}

.video-info {
    padding: 20px;
    background: var(--bg-light);
}

.video-info h3 {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.video-info p {
    color: var(--text-light);
}

/* ============================================
   服务特色
   ============================================ */
.service-section {
    background: var(--bg-light);
}

.service-content > p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 30px;
    text-align: justify;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-item {
    background: var(--bg-color);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.feature-item h3 {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   故事/剧情介绍
   ============================================ */
.story-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

/* ============================================
   负责任影视
   ============================================ */
.responsible-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 30px;
}

.responsible-item {
    background: var(--bg-light);
    padding: 24px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.responsible-item h3 {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.responsible-item p {
    color: var(--text-light);
    line-height: 1.6;
}

.external-resources {
    background: var(--bg-light);
    padding: 24px;
    border-radius: var(--radius-md);
}

.external-resources h3 {
    font-size: 1rem;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.external-resources ul {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.external-resources a {
    color: var(--text-light);
    font-size: 0.9375rem;
}

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

/* ============================================
   关于我们
   ============================================ */
.about-content {
    display: grid;
    gap: 40px;
}

.about-content article h3 {
    font-size: 1.375rem;
    color: var(--secondary-color);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
}

.about-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 16px;
    text-align: justify;
}

/* ============================================
   支付方式
   ============================================ */
.payment-content > p {
    font-size: 1.0625rem;
    margin-bottom: 24px;
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 30px;
}

.payment-item {
    background: var(--bg-light);
    padding: 24px;
    border-radius: var(--radius-md);
}

.payment-item h3 {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.payment-item p {
    color: var(--text-light);
    line-height: 1.6;
}

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

.payment-icons img {
    display: inline-block;
    max-width: 400px;
}

/* ============================================
   制作资质
   ============================================ */
.license-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.license-info h3 {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.license-info p {
    margin-bottom: 12px;
    line-height: 1.7;
}

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

.license-badge img {
    max-width: 100%;
    border-radius: var(--radius-md);
}

.age-restriction {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 20px;
    background: #fff3cd;
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid #ffc107;
}

.age-restriction img {
    flex-shrink: 0;
}

.age-restriction p {
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   客户支持
   ============================================ */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.support-item {
    background: var(--bg-light);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
}

.support-item h3 {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.support-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   常见问题
   ============================================ */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-item h3 {
    font-size: 1.0625rem;
    padding: 20px;
    background: var(--bg-light);
    color: var(--secondary-color);
    cursor: pointer;
}

.faq-item p,
.faq-item article {
    padding: 20px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   用户评论
   ============================================ */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.review-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.reviewer-name {
    font-weight: 600;
    color: var(--secondary-color);
}

.reviewer-location {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-left: 8px;
}

.review-rating {
    color: #ffc107;
}

.review-content {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 12px;
}

.review-date {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-light);
}

/* ============================================
   下载页面
   ============================================ */
.download-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.download-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    transition: var(--transition);
}

.download-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.device-icon {
    margin-bottom: 20px;
}

.device-icon img {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    border-radius: var(--radius-md);
}

.download-card h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.version-info,
.system-req {
    font-size: 0.9375rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.download-btn {
    display: inline-block;
    width: 100%;
    padding: 16px 32px;
    margin: 20px 0;
    background: var(--primary-color);
    color: #fff;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.download-btn:hover {
    background: var(--primary-dark);
    color: #fff;
}

.download-ios {
    background: #007aff;
}

.download-ios:hover {
    background: #0056b3;
}

.download-android {
    background: #3ddc84;
}

.download-android:hover {
    background: #2cb86a;
}

.download-note {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 16px;
}

.qr-code img {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

/* APP功能特色 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-light);
    padding: 24px;
    border-radius: var(--radius-md);
}

.feature-card h3 {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 更新日志 */
.update-content {
    max-width: 800px;
    margin: 0 auto;
}

.update-item {
    background: var(--bg-light);
    padding: 24px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.update-item h3 {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.update-item ul {
    padding-left: 20px;
}

.update-item li {
    list-style: disc;
    color: var(--text-light);
    margin-bottom: 8px;
    line-height: 1.5;
}

/* 安装指南 */
.guide-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.guide-item {
    background: var(--bg-light);
    padding: 24px;
    border-radius: var(--radius-md);
}

.guide-item h3 {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.guide-item ol {
    padding-left: 20px;
}

.guide-item li {
    list-style: decimal;
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.6;
}

/* APP评价 */
.reviews-summary {
    text-align: center;
    margin-bottom: 30px;
}

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

.rating-stars {
    font-size: 2rem;
    color: #ffc107;
    margin-bottom: 8px;
}

.rating-count {
    color: var(--text-light);
}

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

.review-item {
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.review-item .review-header {
    margin-bottom: 12px;
}

.review-item .reviewer {
    font-weight: 600;
    color: var(--secondary-color);
}

.review-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   页脚
   ============================================ */
.site-footer {
    background: var(--bg-dark);
    color: #fff;
    margin-top: auto;
}

.footer-main {
    padding: 60px 0;
}

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

.footer-section h3 {
    font-size: 1.125rem;
    margin-bottom: 20px;
    color: #fff;
}

.footer-section p {
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

.footer-logo {
    margin-top: 20px;
}

.footer-logo img {
    opacity: 0.8;
}

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

.footer-links a {
    color: rgba(255,255,255,0.7);
}

.footer-links a:hover {
    color: #fff;
}

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

.contact-info p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 8px;
}

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

.social-links a {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.8);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.social-links a:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

.footer-bottom {
    background: rgba(0,0,0,0.2);
    padding: 20px 0;
}

.footer-bottom-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.legal-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.875rem;
}

.legal-links a:hover {
    color: #fff;
}

.license-info p {
    color: rgba(255,255,255,0.5);
    font-size: 0.8125rem;
    margin-bottom: 4px;
}

.footer-badges {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-badges img {
    height: 40px;
    width: auto;
    opacity: 0.7;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .celebrity-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-card {
        grid-template-columns: 1fr;
    }
    
    .case-card:nth-child(even) {
        direction: ltr;
    }
    
    .license-content {
        grid-template-columns: 1fr;
    }
    
    .artist-profile {
        grid-template-columns: 1fr;
    }
    
    .artist-photo {
        max-width: 300px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    section {
        padding: 40px 0;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    /* 移动端导航 */
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-color);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        transform: translateX(100%);
        transition: var(--transition);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        width: 100%;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link.cta-btn {
        margin: 20px 0 0;
        text-align: center;
    }
    
    /* 首页横幅 */
    .hero-section {
        height: 60vh;
        min-height: 400px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* 页面标题 */
    .page-hero {
        padding: 60px 20px;
    }
    
    .page-hero h1 {
        font-size: 2rem;
    }
    
    /* 网格布局 */
    .responsible-content,
    .payment-methods,
    .guide-content,
    .download-cards {
        grid-template-columns: 1fr;
    }
    
    .celebrity-grid {
        grid-template-columns: 1fr;
    }
    
    /* 页脚 */
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .legal-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-content h1 {
        font-size: 1.75rem;
    }
    
    .hero-cta {
        padding: 14px 32px;
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .download-card {
        padding: 24px;
    }
}

/* ============================================
   打印样式
   ============================================ */
@media print {
    .site-header,
    .site-footer,
    .breadcrumb,
    .hero-cta,
    .download-btn,
    .mobile-menu-toggle {
        display: none;
    }
    
    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    .hero-section {
        height: auto;
        min-height: 0;
    }
    
    .hero-content {
        position: static;
        color: #000;
        padding: 20px 0;
    }
    
    section {
        padding: 20px 0;
    }
}