/* ===== 2026新年倒计时 - 简洁纯黑版 ===== */

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

/* 全局样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: #000000;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

/* 主容器 */
.container {
    text-align: center;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
}

/* 标题 */
.title {
    margin-bottom: 1rem;
}

.title-main {
    display: block;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

.title-sub {
    display: block;
    font-size: clamp(1rem, 3vw, 2rem);
    font-weight: 300;
    opacity: 0.8;
    letter-spacing: 0.15em;
}

/* 副标题 */
.subtitle {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    margin-bottom: 3rem;
    opacity: 0.7;
    letter-spacing: 0.1em;
}

/* 倒计时容器 */
.countdown-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: nowrap; /* 手机端不换行，保持在一行 */
}

/* 时钟单元 */
.clock-unit {
    position: relative;
    width: clamp(150px, 20vw, 300px);
    height: clamp(150px, 20vw, 300px);
    flex-shrink: 0; /* 防止缩小 */
}

.flip-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 分隔符 */
.divider {
    font-size: clamp(3rem, 6vw, 6rem);
    font-weight: 300;
    opacity: 0.9;
    margin: 0 0.3rem;
    flex-shrink: 0;
}

/* 祝福语 */
.message {
    margin-bottom: 2rem;
}

.message p {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    margin: 0.5rem 0;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

/* 页脚 */
.footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    font-size: clamp(0.8rem, 1.5vw, 1rem);
    font-weight: 300;
    opacity: 0.5;
    letter-spacing: 0.1em;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem 1rem;
    }

    .countdown-wrapper {
        gap: 0.5rem;
    }

    .clock-unit {
        width: clamp(100px, 22vw, 150px);
        height: clamp(100px, 22vw, 150px);
    }

    .divider {
        font-size: clamp(2rem, 5vw, 3rem);
        margin: 0 0.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem 0.5rem;
    }

    .countdown-wrapper {
        gap: 0.3rem;
        margin-bottom: 2rem;
    }

    .clock-unit {
        width: clamp(80px, 24vw, 120px);
        height: clamp(80px, 24vw, 120px);
    }

    .divider {
        font-size: clamp(1.5rem, 4vw, 2.5rem);
        margin: 0 0.1rem;
    }

    .title-main {
        letter-spacing: 0.05em;
    }

    .title-sub {
        letter-spacing: 0.08em;
    }
}