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

/* 语言切换器样式 */
.language-switcher {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.lang-btn {
    background: transparent;
    border: 1px solid #3498db;
    color: #3498db;
    padding: 0.3rem 0.8rem;
    margin-left: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background-color: #3498db;
    color: white;
}

.lang-btn.active {
    background-color: #3498db;
    color: white;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 90%;
}

/* 头部样式 */
header {
    margin-bottom: 2rem;
}

.logo h1 {
    font-size: 2.5rem;
    color: #3498db;
    letter-spacing: 1px;
}

/* 主要内容样式 */
main {
    margin-bottom: 3rem;
}

.coming-soon h2 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.tagline {
    font-size: 1.2rem;
    color: #7f8c8d;
    margin-bottom: 2.5rem;
}

/* 倒计时样式 */
.countdown {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.countdown-item {
    margin: 0 1rem 1rem;
    min-width: 100px;
    padding: 1.5rem 0;
    background-color: #3498db;
    border-radius: 8px;
    color: white;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
    transition: transform 0.3s ease;
}

.countdown-item:hover {
    transform: translateY(-5px);
}

.countdown-item span {
    display: block;
}

.countdown-item #days,
.countdown-item #hours,
.countdown-item #minutes,
.countdown-item #seconds {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.countdown-item .label {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 描述样式 */
.description {
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.description p {
    margin-bottom: 1rem;
    color: #555;
}

/* 订阅表单样式 */
.subscribe {
    max-width: 500px;
    margin: 0 auto;
}

#subscribe-form {
    display: flex;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

#email {
    flex: 1;
    min-width: 250px;
    padding: 0.8rem 1rem;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    transition: border-color 0.3s;
}

#email:focus {
    border-color: #3498db;
    outline: none;
}

button[type="submit"] {
    padding: 0.8rem 1.5rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

button[type="submit"]:hover {
    background-color: #2980b9;
}

.success-message {
    display: none;
    color: #27ae60;
    font-weight: bold;
    margin-top: 1rem;
}

/* 页脚样式 */
footer {
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

.social-links {
    margin-bottom: 1.5rem;
}

.social-link {
    display: inline-block;
    margin: 0 0.5rem;
    font-size: 1.5rem;
    color: #7f8c8d;
    transition: color 0.3s;
}

.social-link:hover {
    color: #3498db;
}

.email-contact {
    color: #7f8c8d;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.email-contact a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s;
}

.email-contact a:hover {
    color: #2980b9;
    text-decoration: underline;
}

.copyright {
    color: #95a5a6;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .coming-soon h2 {
        font-size: 2.2rem;
    }
    
    .countdown-item {
        min-width: 80px;
        margin: 0 0.5rem 1rem;
        padding: 1rem 0;
    }
    
    .countdown-item #days,
    .countdown-item #hours,
    .countdown-item #minutes,
    .countdown-item #seconds {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
        padding: 1rem;
    }
    
    .countdown-item {
        min-width: 70px;
        margin: 0 0.3rem 0.8rem;
    }
    
    #email {
        width: 100%;
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    button[type="submit"] {
        width: 100%;
    }
}