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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 50%, #16a085 100%);
    min-height: 100vh;
    position: relative;
}

/* 倒计时容器 */
.countdown-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding: 20px 0;
}

.bott {margin-bottom: 20px;}

/* 背景装饰 */
.bg-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.circle-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.circle-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.circle-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.3;
    }
}

/* 主要内容 */
.main-content {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Logo区域 */
.logo-container {
    text-align: center;
    color: white;
    animation: fadeInDown 1s ease-out;
}

.logo-placeholder {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    transition: transform 0.3s ease;
}

.logo-placeholder:hover {
    transform: scale(1.1);
}

.logo-placeholder i {
    font-size: 3rem;
    color: white;
}

.brand-name {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.brand-tagline {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 0;
}

/* 倒计时区域 */
.countdown-title {
    color: white;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.countdown-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* 倒计时器 */
.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 40px 0;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.time-unit {
    text-align: center;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px 15px;
    min-width: 100px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.time-unit:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.time-value {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    line-height: 1;
    margin-bottom: 10px;
    font-family: 'Courier New', monospace;
}

.time-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.time-separator {
    font-size: 2.5rem;
    color: white;
    font-weight: bold;
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.target-date {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    animation: fadeInUp 1s ease-out 0.8s both;
}

/* 进度条 */
.progress-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.progress-label {
    color: white;
    font-weight: bold;
    margin-bottom: 15px;
    text-align: center;
    font-size: 1.1rem;
}

.progress {
    height: 25px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(45deg, #27ae60, #2ecc71);
    border-radius: 12px;
    font-weight: bold;
    font-size: 0.9rem;
}

/* 联系区域 */
.contact-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 1s ease-out 1s both;
}

.contact-title, .qr-title {
    color: #27ae60;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 25px;
    position: relative;
}

.contact-title::after, .qr-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(45deg, #27ae60, #2ecc71);
}

.contact-info {
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: #333;
    font-size: 1rem;
}

.contact-item i {
    color: #27ae60;
    font-size: 1.2rem;
    margin-right: 15px;
    min-width: 20px;
}

/* 社交媒体链接 */
.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #27ae60, #2ecc71);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(39, 174, 96, 0.3);
    color: white;
}

.social-link i {
    font-size: 1.2rem;
}

/* 二维码区域 */
.qr-section {
    text-align: center;
}

.qr-code {
    display: inline-block;
    margin: 20px 0;
}

.qr-placeholder {
    width: 150px;
    height: 150px;
    background: linear-gradient(45deg, #f8f9fa, #e9ecef);
    border: 3px solid #27ae60;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    transition: transform 0.3s ease;
}

.qr-placeholder:hover {
    transform: scale(1.05);
}

.qr-placeholder i {
    font-size: 4rem;
    color: #27ae60;
}

.qr-text {
    color: #27ae60;
    font-weight: bold;
    margin-bottom: 5px;
}

.qr-description {
    color: #666;
    font-size: 0.9rem;
}

/* 通知订阅 */
.newsletter-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    animation: fadeInUp 1s ease-out 1.2s both;
}

.newsletter-title {
    color: white;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 15px;
}

.newsletter-subtitle {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    font-size: 1rem;
}

.newsletter-form .form-control {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px 0 0 50px;
    padding: 12px 20px;
    font-size: 1rem;
}

.newsletter-form .form-control:focus {
    background: white;
    border-color: #2ecc71;
    box-shadow: 0 0 0 0.2rem rgba(46, 204, 113, 0.25);
}

.btn-subscribe {
    background: linear-gradient(45deg, #27ae60, #2ecc71);
    border: none;
    color: white;
    font-weight: bold;
    padding: 12px 30px;
    border-radius: 0 50px 50px 0;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-subscribe:hover {
    background: linear-gradient(45deg, #229954, #27ae60);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(39, 174, 96, 0.3);
    color: white;
}

/* 页脚 */
.footer {
    background: rgba(0, 0, 0, 0.2);
    color: white;
    padding: 30px 0;
    margin-top: auto;
    position: relative;
    z-index: 1;
}

.copyright {
    margin-bottom: 15px;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    font-size: 0.9rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.separator {
    opacity: 0.6;
}

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

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

/* 响应式设计 */
@media (max-width: 992px) {
    .countdown-title {
        font-size: 2rem;
    }
    
    .brand-name {
        font-size: 2rem;
    }
    
    .countdown-timer {
        gap: 15px;
    }
    
    .time-unit {
        min-width: 80px;
        padding: 15px 10px;
    }
    
    .time-value {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .countdown-title {
        font-size: 1.8rem;
    }
    
    .countdown-subtitle {
        font-size: 1.1rem;
    }
    
    .countdown-timer {
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .time-unit {
        min-width: 70px;
        padding: 12px 8px;
    }
    
    .time-value {
        font-size: 2rem;
    }
    
    .time-separator {
        font-size: 1.8rem;
        margin: 0 -5px;
    }
    
    .contact-section {
        padding: 30px 20px;
    }
    
    .newsletter-section {
        padding: 30px 20px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
    
    .separator {
        display: none;
    }
}

@media (max-width: 576px) {
    .main-content {
        padding: 0 15px;
    }
    
    .brand-name {
        font-size: 1.8rem;
    }
    
    .brand-tagline {
        font-size: 1rem;
    }
    
    .countdown-title {
        font-size: 1.5rem;
    }
    
    .countdown-timer {
        gap: 8px;
    }
    
    .time-unit {
        min-width: 60px;
        padding: 10px 5px;
    }
    
    .time-value {
        font-size: 1.8rem;
    }
    
    .time-label {
        font-size: 0.8rem;
    }
    
    .logo-placeholder {
        width: 100px;
        height: 100px;
    }
    
    .logo-placeholder i {
        font-size: 2.5rem;
    }
    
    .contact-section, .newsletter-section {
        padding: 25px 15px;
    }
    
    .contact-title, .qr-title, .newsletter-title {
        font-size: 1.5rem;
    }
    
    .qr-placeholder {
        width: 120px;
        height: 120px;
    }
    
    .qr-placeholder i {
        font-size: 3rem;
    }
}