:root {
    --primary-color: #ad63ff;
    --secondary-color: #4a44c9;
    --accent-color: #00d4ff;
    --dark-bg: #121212;
    --darker-bg: #0a0a0a;
    --card-bg: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
header {
    background-color: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(108, 99, 255, 0.2);
    transition: var(--transition);
}

.header-hidden {
    transform: translateY(-100%);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.cta-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(108, 99, 255, 0.3);
}

/* 英雄区域 */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 20%, rgba(108, 99, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #ffffff, var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.secondary-button {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.secondary-button:hover {
    background: rgba(108, 99, 255, 0.1);
}

/* 功能区域 */
.features {
    padding: 100px 0;
    background-color: var(--darker-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(108, 99, 255, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.feature-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 图像生成部分 */
.image-generation {
    padding: 100px 0;
    background-color: var(--dark-bg);
}

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

/* 案例卡片样式 */
.image-case-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: default;
}

.image-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(108, 99, 255, 0.3);
}

.image-preview {
    height: 250px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

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

.image-case-card:hover .image-preview img {
    transform: scale(1.05);
}

.case-info {
    padding: 25px;
}

.case-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
}

.case-title i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.prompt-section {
    margin-top: 15px;
    text-align: left;
}

.prompt-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(108, 99, 255, 0.2);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 10px;
}

/* 提示词样式 */
.prompt-text {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    margin: 0;
    text-align: left;
    word-wrap: break-word;
    
    /* 省略号效果 */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 4.5em;
}

.prompt-text:hover {
    background: rgba(255, 255, 255, 0.08);
}

.prompt-text::after {
    content: '点击复制';
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    opacity: 0;
    transition: var(--transition);
}

.prompt-text:hover::after {
    opacity: 1;
}

/* 视频生成部分 */
.video-generation {
    padding: 100px 0;
    background-color: var(--darker-bg);
}

/* 瀑布流容器 */
.video-showcase {
    max-width: 1600px;
    margin: 40px auto 0;
    padding: 0 20px;
    column-count: 4;
    column-gap: 20px;
}

/* 视频项样式 */
.video-item {
    break-inside: avoid;
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    background-color: var(--card-bg);
    cursor: pointer;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.video-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(108, 99, 255, 0.3);
}

/* 视频容器 */
.video-container {
    width: 100%;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #1e1e1e;
}

/* 横版视频样式 */
.video-container.landscape {
    aspect-ratio: 16/9;
}

/* 竖版视频样式 */
.video-container.portrait {
    aspect-ratio: 9/16;
}

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

.video-item:hover .video-container img {
    transform: scale(1.05);
}

/* 播放按钮样式 */
.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: rgba(108, 99, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}

.play-icon::before {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent white;
    margin-left: 4px;
}

.video-item:hover .play-icon {
    opacity: 1;
}

.video-info {
    padding: 25px;
}

.video-info h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 一键出片部分 */
.one-click-section {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.one-click-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: cover;
    z-index: 0;
}

.one-click-section h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.one-click-section p {
    font-size: 1.2rem;
    margin-bottom: 5px;
    opacity: 0.9;
}

/* 一键出片功能卡片样式 */
.one-click-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.one-click-feature {
    text-align: center;
    max-width: 250px;
    background: rgba(255, 255, 255, 0.1);
    padding: 30px 20px;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    flex: 1;
    min-width: 200px;
}

.one-click-feature:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-icon-svg {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.feature-icon-svg svg {
    display: block;
    margin: 0 auto;
}

.one-click-feature h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: white;
}

.one-click-feature p {
    font-size: 0.95rem;
    opacity: 0.8;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

/* 一键出片视频案例卡片 */
.one-click-video-showcase {
    margin-top: 40px;
    width: 100%;
}

.one-click-video-case-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
    cursor: default;
    display: flex;
    flex-direction: column;
}

.one-click-video-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(108, 99, 255, 0.3);
}

.one-click-video-preview {
    height: 620px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
}

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

.one-click-video-case-card:hover .one-click-video-preview img {
    transform: scale(1.05);
}

.one-click-video-preview .one-click-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0;
}

.one-click-video-preview .one-click-play-icon::before {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent #333;
    margin-left: 4px;
}

.one-click-video-preview:hover .one-click-play-icon {
    opacity: 1;
    background: white;
    transform: translate(-50%, -50%) scale(1.1);
}

.one-click-video-info {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* 市场前景部分 */
.market-potential {
    padding: 100px 0;
    background-color: var(--dark-bg);
}

.market-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.market-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.market-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.market-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

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

.market-visual {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, var(--card-bg), var(--darker-bg));
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.market-visual::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(108, 99, 255, 0.1) 0%, transparent 70%);
}

.visual-content {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 30px;
}

.visual-content h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.visual-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* 套餐价格部分 */
.pricing {
    padding: 100px 0;
    background-color: var(--darker-bg);
}

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

.pricing-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(108, 99, 255, 0.2);
}

.pricing-card.featured::before {
    content: '推荐';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured:hover {
    transform: translateY(-10px) scale(1.05);
}

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

.pricing-name {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

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

.price-container {
    margin-bottom: 10px;
}

.original-price {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-decoration: line-through;
    margin-bottom: 5px;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.discount-tag {
    display: inline-block;
    background: #ff4757;
    color: white;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 10px;
}

.pricing-period {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    color: var(--primary-color);
    margin-right: 10px;
}

/* 联系弹窗 */
.contact-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

.contact-content {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    padding: 40px;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(108, 99, 255, 0.3);
}

.contact-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.contact-close:hover {
    color: var(--primary-color);
}

.contact-title {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.contact-subtitle {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.qrcode-container {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    display: inline-block;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.qrcode-placeholder {
    width: 200px;
    height: 200px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-weight: 500;
}

.contact-info {
    margin-top: 20px;
    text-align: left;
    background: rgba(108, 99, 255, 0.1);
    padding: 20px;
    border-radius: var(--border-radius);
}

.contact-info h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.5;
}

/* 图片模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s;
    overflow: auto;
}

.modal-content-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.modal-content {
    max-width: 90%;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(108, 99, 255, 0.3);
}

/* 模态框提示词样式 */
.modal-caption, .video-modal-caption {
    text-align: center;
    color: #ccc;
    padding: 15px 20px;
    max-width: 700px;
    margin: 0 auto;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
    margin-top: 20px;
}

.modal-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.modal-title i {
    color: var(--primary-color);
}

.modal-prompt {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
    border-left: 4px solid var(--primary-color);
    text-align: left;
}

.modal-prompt .prompt-label {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 10px;
    font-weight: 500;
}

.modal-prompt .prompt-label i {
    margin-right: 5px;
}

.modal-prompt .full-prompt-text {
    color: #fff;
    font-size: 1rem;
    line-height: 1.5;
    margin: 0;
    word-break: break-word;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
    padding-right: 5px;
}

/* 滚动条样式 */
.modal-prompt .full-prompt-text::-webkit-scrollbar {
    width: 5px;
}

.modal-prompt .full-prompt-text::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.modal-prompt .full-prompt-text::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 2001;
}

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

/* 视频模态框 */
.video-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s;
    overflow: auto;
}

.video-modal-content-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.video-modal-content {
    max-width: 90%;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(108, 99, 255, 0.3);
}

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

/* 下载区域 */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    text-align: center;
}

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

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.download p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

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

/* 页脚 */
footer {
    background-color: var(--darker-bg);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-column h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 复制提示 */
.copy-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 12px 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    z-index: 4000;
    transform: translateX(150%);
    transition: transform 0.3s ease;
}

.copy-notification.show {
    transform: translateX(0);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .video-showcase {
        column-count: 3;
    }
}

@media (max-width: 900px) {
    .video-showcase {
        column-count: 2;
    }
}

@media (max-width: 600px) {
    .video-showcase {
        column-count: 1;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons, .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-links {
        display: none;
    }
    
    .market-content {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
    
    .contact-content {
        padding: 30px 20px;
    }
    
    .qrcode-placeholder {
        width: 150px;
        height: 150px;
    }
    
    .modal-content, .video-modal-content {
        max-width: 95%;
        max-height: 70vh;
    }
    
    .one-click-features {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .one-click-feature {
        min-width: 100%;
        max-width: 300px;
    }
}