body {
    background: #f5f8ff;
    font-family: "Microsoft YaHei", "Helvetica Neue", sans-serif;
}
.tool-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
}
.countdown-card {
    background: linear-gradient(135deg, #7cb3f5 0%, #5a9ce8 100%);
    color: #fff;
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(90,156,232,0.2);
}
.countdown-title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 24px;
    letter-spacing: 2px;
}
.countdown-box {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.countdown-item {
    background: rgba(255,255,255,0.2);
    border-radius: 12px;
    width: 100px;
    padding: 16px 0;
}
.countdown-num {
    font-size: 36px;
    font-weight: bold;
    line-height: 1.2;
}
.countdown-unit {
    font-size: 14px;
    opacity: 0.95;
}
.tip-text {
    font-size: 16px;
    opacity: 0.98;
}
.info-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    margin-top: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.info-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 16px;
    border-left: 4px solid #5a9ce8;
    padding-left: 12px;
}
.info-list {
    line-height: 1.8;
    color: #555;
}
/* 祝福卡片样式 */
.bless-wrap {
    margin-top: 30px;
}
.bless-title {
    font-size: 20px;
    color: #333;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 600;
}
.bless-list {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 16px;
}
.bless-card {
    padding: 22px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    color: #444;
    line-height: 1.7;
    font-size: 15px;
}
/* 浅透渐变柔和背景 */
.bless-card:nth-child(1){background:rgba(186,220,255,0.35);}
.bless-card:nth-child(2){background:rgba(210,238,225,0.35);}
.bless-card:nth-child(3){background:rgba(255,228,230,0.35);}
.bless-card:nth-child(4){background:rgba(232,225,255,0.35);}
.bless-card:nth-child(5){background:rgba(255,245,220,0.35);}
.bless-card:nth-child(6){background:rgba(215,240,255,0.35);}
.bless-card:nth-child(7){background:rgba(240,228,250,0.35);}
.bless-card:nth-child(8){background:rgba(225,248,238,0.35);}
.bless-card:nth-child(9){background:rgba(255,238,225,0.35);}
.bless-card:nth-child(10){background:rgba(228,235,255,0.35);}

@media (max-width: 500px){
    .bless-list{grid-template-columns: 1fr;}
}