/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #000;
    color: #fff;
    line-height: 1.6;
}

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

/* 导航栏 */
.navbar {
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
}

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

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: #00f2ea;
}

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

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #00f2ea;
}

/* 英雄区 */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #000 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=TikTok%20logo%20background%2C%20abstract%20gradient%2C%20blue%20and%20purple%20colors&image_size=landscape_16_9') no-repeat center;
    background-size: cover;
    opacity: 0.1;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00f2ea, #7b42f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #ccc;
}

.cta-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary {
    background: linear-gradient(90deg, #00f2ea, #7b42f6);
    color: #000;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 242, 234, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #00f2ea;
    padding: 15px 30px;
    border: 2px solid #00f2ea;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background-color: #00f2ea;
    color: #000;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 242, 234, 0.2);
}

/* 功能介绍 */
.features {
    padding: 100px 0;
    background-color: #1a1a1a;
}

.features h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(90deg, #00f2ea, #7b42f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.feature-card {
    background-color: #2a2a2a;
    padding: 30px;
    border-radius: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 242, 234, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background-color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 40px;
    height: 40px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #00f2ea;
}

.feature-card p {
    color: #ccc;
}

/* 价格套餐 */
.pricing {
    padding: 100px 0;
    background-color: #000;
}

.pricing h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(90deg, #00f2ea, #7b42f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.pricing-card {
    background-color: #2a2a2a;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 242, 234, 0.1);
}

.pricing-card.featured {
    background: linear-gradient(135deg, #2a2a2a, #333);
    border: 2px solid #00f2ea;
    transform: scale(1.05);
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #00f2ea;
}

.price {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 30px;
    background: linear-gradient(90deg, #00f2ea, #7b42f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.price span {
    font-size: 18px;
    font-weight: 400;
    color: #ccc;
}

.features-list {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.features-list li {
    margin-bottom: 10px;
    color: #ccc;
    display: flex;
    align-items: center;
}

.features-list li:before {
    content: '✓';
    color: #00f2ea;
    margin-right: 10px;
    font-weight: bold;
}

/* 下载区域 */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #000 100%);
    text-align: center;
}

.download h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00f2ea, #7b42f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.download p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #ccc;
}

.download-info {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
    text-align: left;
}

.download-info p {
    margin-bottom: 10px;
    font-size: 16px;
}

.version {
    color: #00f2ea;
    font-weight: 600;
}

.size {
    color: #7b42f6;
}

.requirements {
    color: #f39c12;
}

.update-note {
    font-size: 14px;
    color: #666;
    margin-top: 20px;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background-color: #1a1a1a;
}

.contact h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(90deg, #00f2ea, #7b42f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-item {
    background-color: #2a2a2a;
    padding: 30px;
    border-radius: 20px;
    text-align: center;
}

.contact-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #00f2ea;
}

.contact-item p {
    color: #ccc;
}

/* 免责说明 */
.disclaimer {
    padding: 50px 0;
    background-color: #000;
    border-top: 1px solid #333;
}

.disclaimer h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #00f2ea;
}

.disclaimer p {
    color: #ccc;
    line-height: 1.8;
}

/* 页脚 */
.footer {
    padding: 50px 0;
    background-color: #1a1a1a;
    border-top: 1px solid #333;
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 30px;
}

.footer-logo h2 {
    font-size: 24px;
    font-weight: 700;
    color: #00f2ea;
}

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

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00f2ea;
}

.footer-bottom {
    width: 100%;
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content h2 {
        font-size: 36px;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-links {
        display: none;
    }

    .hero-content h2 {
        font-size: 28px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 12px 24px;
        font-size: 14px;
    }

    .features h2,
    .pricing h2,
    .download h2,
    .contact h2 {
        font-size: 28px;
    }

    .feature-card,
    .pricing-card,
    .contact-item {
        padding: 20px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.pricing-card,
.contact-item {
    animation: fadeIn 0.6s ease forwards;
}

.feature-card:nth-child(1) {
    animation-delay: 0.1s;
}

.feature-card:nth-child(2) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.3s;
}

.feature-card:nth-child(4) {
    animation-delay: 0.4s;
}

.feature-card:nth-child(5) {
    animation-delay: 0.5s;
}

.feature-card:nth-child(6) {
    animation-delay: 0.6s;
}

.pricing-card:nth-child(1) {
    animation-delay: 0.1s;
}

.pricing-card:nth-child(2) {
    animation-delay: 0.2s;
}

.pricing-card:nth-child(3) {
    animation-delay: 0.3s;
}

.contact-item:nth-child(1) {
    animation-delay: 0.1s;
}

.contact-item:nth-child(2) {
    animation-delay: 0.2s;
}

.contact-item:nth-child(3) {
    animation-delay: 0.3s;
}