/* style.css - 撸先生App影视主题官网 */
:root {
    --primary: #E50914;      /* Netflix红，影视主题色 */
    --primary-dark: #B20710;
    --secondary: #00ACC1;    /* 青柠色，社区活力 */
    --secondary-dark: #0097A7;
    --dark: #121212;         /* 深色背景，影院沉浸感 */
    --dark-light: #1E1E1E;
    --light: #F5F5F5;
    --gray: #757575;
    --gray-light: #E0E0E0;
    --success: #4CAF50;
    --warning: #FF9800;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* 文字样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

.page-title {
    font-size: 2.5rem;
    text-align: center;
    margin: 2rem 0 1rem;
    color: var(--light);
}

.page-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

/* 导航栏 */
.navbar {
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 28px;
}

.logo-sub {
    color: var(--secondary);
    font-size: 16px;
    font-weight: 400;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--light);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    background-color: rgba(229, 9, 20, 0.1);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

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

/* 英雄区域 */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--dark) 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(229, 9, 20, 0.1) 100%);
    z-index: 1;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.1;
    color: var(--light);
}

.highlight {
    color: var(--primary);
    display: block;
    font-size: 2.8rem;
    margin-top: 10px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--gray-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-subtitle strong {
    color: var(--secondary);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    min-width: 120px;
}

.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-text {
    font-size: 0.9rem;
    color: var(--gray);
    font-weight: 500;
}

.hero-image {
    flex: 1;
    animation: fadeInRight 0.8s ease-out;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 热门内容展示 */
.hot-content {
    padding: 80px 0;
    background-color: var(--dark-light);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--light);
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.content-card {
    background: rgba(30, 30, 30, 0.8);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.content-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.content-poster {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.content-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.content-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.content-info {
    padding: 20px;
}

.content-info h3 {
    color: var(--light);
    margin-bottom: 8px;
    font-size: 1.3rem;
}

.content-meta {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.content-desc {
    color: var(--gray-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 功能区域 */
.features-preview {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: rgba(30, 30, 30, 0.8);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--light);
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--gray-light);
    margin-bottom: 25px;
    line-height: 1.7;
}

.feature-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.feature-link:hover {
    gap: 12px;
    color: var(--primary-dark);
}

/* 平台优势 */
.advantages {
    padding: 80px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.advantage {
    text-align: center;
    padding: 30px;
    background: rgba(30, 30, 30, 0.6);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.advantage:hover {
    background: rgba(229, 9, 20, 0.1);
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.advantage h3 {
    color: var(--light);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

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

/* CTA区域 */
.cta-section {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-title {
    font-size: 2.8rem;
    margin-bottom: 20px;
    color: white;
}

.cta-text {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.cta-note {
    margin-top: 30px;
    font-size: 0.9rem;
    opacity: 0.8;
}

.check {
    margin-right: 5px;
}

/* 页脚 */
.footer {
    background-color: rgba(10, 10, 10, 0.98);
    color: white;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    margin-bottom: 20px;
    color: white;
    font-size: 1.2rem;
}

.footer-section p {
    color: #aaa;
    margin-bottom: 10px;
    line-height: 1.7;
}

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

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

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-section a:hover {
    color: var(--primary);
    padding-left: 5px;
}

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

.social-links a {
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 15px;
    border-radius: var(--border-radius-sm);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #666;
}

.footer-bottom a {
    color: #666;
    text-decoration: none;
}

.footer-bottom a:hover {
    color: white;
}

/* 浮动下载按钮 */
.float-download-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary);
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: float 3s ease-in-out infinite;
}

.float-download-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(229, 9, 20, 0.3);
}

/* 内容分类页面 */
.content-category {
    margin: 60px 0;
    padding: 40px;
    background: rgba(30, 30, 30, 0.6);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.category-header h2 {
    color: var(--light);
    font-size: 1.8rem;
    margin: 0;
}

.category-icon {
    font-size: 2rem;
}

.category-count {
    color: var(--secondary);
    font-size: 1rem;
    margin-left: auto;
}

.category-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.category-content.reverse {
    flex-direction: row-reverse;
}

.category-text {
    flex: 1;
}

.category-text h3 {
    color: var(--light);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.category-text p {
    color: var(--gray-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-light);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list strong {
    color: var(--secondary);
}

.category-image {
    flex: 1;
}

.category-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow);
}

/* 下载页面 */
.download-page {
    padding: 60px 0;
}

.platform-selector {
    margin: 40px 0;
}

.platform-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.platform-tab {
    padding: 15px 30px;
    background: rgba(30, 30, 30, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--light);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
}

.platform-tab.active {
    background: var(--primary);
    border-color: var(--primary);
}

.platform-content {
    display: none;
}

.platform-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.download-steps {
    margin: 40px 0;
}

.step {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 50px;
    padding: 30px;
    background: rgba(30, 30, 30, 0.6);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    color: var(--light);
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.step-content p {
    color: var(--gray-light);
    margin-bottom: 15px;
}

.version-info {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-top: 10px;
}

.step-tips {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    margin-top: 15px;
}

.step-tips p {
    color: var(--light);
    margin-bottom: 10px;
}

.step-tips ol,
.step-tips ul {
    color: var(--gray-light);
    padding-left: 20px;
}

.step-tips li {
    margin-bottom: 5px;
}

/* 支持模块 */
.support-section {
    margin: 60px 0;
    padding: 40px;
    background: rgba(30, 30, 30, 0.8);
    border-radius: var(--border-radius);
    border-top: 4px solid var(--secondary);
}

.support-section h3 {
    color: var(--light);
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.support-content p {
    color: var(--gray-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.support-tips {
    margin: 25px 0;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius-sm);
}

.support-tips h4 {
    color: var(--light);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.support-tips ul {
    color: var(--gray-light);
    padding-left: 20px;
}

.support-tips li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.support-tips strong {
    color: var(--secondary);
}

.support-note {
    color: var(--primary) !important;
    font-weight: 600;
    padding: 15px;
    background: rgba(229, 9, 20, 0.1);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--primary);
}

/* 版本历史 */
.version-history {
    margin: 60px 0;
}

.version-history h3 {
    color: var(--light);
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.version-list {
    display: grid;
    gap: 20px;
}

.version-item {
    padding: 25px;
    background: rgba(30, 30, 30, 0.6);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary);
}

.version-item h4 {
    color: var(--light);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.version-item ul {
    color: var(--gray-light);
    padding-left: 20px;
}

.version-item li {
    margin-bottom: 5px;
}

/* 二维码区域 */
.qrcode-section {
    margin: 60px 0;
    text-align: center;
}

.qrcode-section h3 {
    color: var(--light);
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.qrcode-container {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

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

.qrcode-image {
    width: 180px;
    height: 180px;
    background: rgba(30, 30, 30, 0.8);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    border: 2px solid var(--primary);
}

.qrcode-placeholder {
    font-size: 2rem;
    color: var(--primary);
}

.qrcode-item p {
    color: var(--light);
    font-weight: 600;
    margin-bottom: 5px;
}

.qrcode-note {
    color: var(--gray) !important;
    font-size: 0.9rem;
    font-weight: 400;
}

/* 下载CTA */
.download-cta {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.download-cta h3 {
    color: var(--light);
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.download-cta p {
    color: var(--gray-light);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .highlight {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .category-content {
        flex-direction: column;
    }
    
    .category-content.reverse {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: rgba(18, 18, 18, 0.98);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        padding: 20px;
        box-shadow: var(--shadow);
        z-index: 999;
        backdrop-filter: blur(10px);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .highlight {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin-bottom: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .float-download-btn {
        bottom: 20px;
        right: 20px;
        padding: 12px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .highlight {
        font-size: 1.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .features-grid,
    .content-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .qrcode-container {
        gap: 30px;
    }
}

/* 图片优化 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    font-size: 14px;
    color: var(--gray);
    background-color: rgba(30, 30, 30, 0.8);
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

/* 内部导航 */
.internal-nav {
    padding: 30px 0;
    background: rgba(30, 30, 30, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.internal-nav p {
    color: var(--gray-light);
}

.internal-nav a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.internal-nav a:hover {
    text-decoration: underline;
}

/* 内容CTA */
.content-cta {
    text-align: center;
    padding: 60px 40px;
    background: rgba(30, 30, 30, 0.8);
    border-radius: var(--border-radius);
    margin: 60px 0;
    border: 2px solid var(--primary);
}

.content-cta h3 {
    color: var(--light);
    font-size: 2rem;
    margin-bottom: 15px;
}

.content-cta p {
    color: var(--gray-light);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.cta-note {
    margin-top: 20px;
    color: var(--secondary) !important;
    font-size: 0.9rem;
}

/* 更新频率 */
.update-frequency {
    margin: 60px 0;
}

.update-frequency h3 {
    color: var(--light);
    margin-bottom: 30px;
    font-size: 1.8rem;
    text-align: center;
}

.frequency-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.frequency-item {
    text-align: center;
    padding: 30px;
    background: rgba(30, 30, 30, 0.6);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.frequency-item:hover {
    background: rgba(229, 9, 20, 0.1);
    transform: translateY(-5px);
}

.frequency-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.frequency-item h4 {
    color: var(--light);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.frequency-item p {
    color: var(--gray-light);
    font-size: 0.95rem;
}

/* 打印样式 */
@media print {
    .navbar,
    .float-download-btn,
    .mobile-menu-btn,
    .cta-section,
    .download-cta {
        display: none;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    .footer {
        padding: 20px 0;
    }
    
    .btn {
        border: 1px solid #000;
        background: none;
        color: #000;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* 辅助功能 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --primary: #ff0000;
        --secondary: #00ffff;
        --dark: #000000;
        --light: #ffffff;
    }
    
    .content-card {
        border: 2px solid var(--light);
    }
}