:root {
    --main-red: #c3272b;
    /* 中国红 */
    --dark-red: #8c1c1c;
    /* 暗红色 */
    --light-red: #ffdddd;
    /* 浅红色 */
    --main-yellow: #e67e22;
    /* 金黄色 */
    --light-yellow: #e67e22;
    /* 浅黄色 */
    --dark-yellow: #d96411;
    /* 暗金色 */
    --main-brown: #8c4b00;
    /* 棕色 */
    --light-brown: #d4b995;
    /* 浅棕色 */
    --dark-brown: #563200;
    /* 深棕色 */
    --light-bg: #fffbeb;
    /* 纸张底色 */
    --text-color: #333333;
    /* 文字颜色 */
}
/* 日期区域 */
.huangli-date-area {
    background-color: #fff;
    border: 2px solid var(--main-yellow);
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.date-nav-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.date-nav-btn {
    display: flex;
    align-items: center;
    background-color: var(--main-yellow);
    color: white;
    padding: 8px 15px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 15px;
    transition: background-color 0.2s;
}

.date-nav-btn:hover {
    background-color: var(--dark-yellow);
}

.prev-day i {
    margin-right: 5px;
}

.next-day i {
    margin-left: 5px;
}

.today-date {
    text-align: center;
}

.solar-date {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "STKaiti", "楷体", serif;
}

.solar-date .day {
    font-size: 48px;
    font-weight: bold;
    color: var(--main-yellow);
    line-height: 1;
    margin: 0 5px;
}

.solar-date .year,
.solar-date .month {
    font-size: 18px;
    color: var(--main-brown);
    line-height: 1.2;
}

.solar-date .weekday {
    position: absolute;
    right: -50px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--main-brown);
    background-color: var(--light-yellow);
    padding: 3px 8px;
    border-radius: 3px;
    border: 1px solid var(--dark-yellow);
}

.full-solar-date {
    font-size: 16px;
    color: var(--main-brown);
    margin: 8px 0 3px;
    background-color: #fdf6e3;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px dashed var(--dark-yellow);
    display: inline-block;
}

.lunar-date {
    font-size: 18px;
    color: var(--dark-brown);
    margin-top: 5px;
    font-family: "STKaiti", "楷体", serif;
}

.date-search-area {
    margin-top: 15px;
    /*background-color: var(--light-yellow);*/
    padding: 10px;
    border-radius: 4px;
    border: 1px solid var(--dark-yellow);
}

.date-search-area form {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.form-group {
    margin: 5px;
    min-width: 80px;
}

.year-group {
    flex: 2;
}

.month-group,
.day-group {
    flex: 1;
}

.form-control {
    padding: 8px;
    border: 1px solid var(--light-brown);
    border-radius: 4px;
    font-family: inherit;
    background-color: white;
    width: 100%;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238c4b00' d='M10.3,3.3L6,7.6L1.7,3.3c-0.4-0.4-1-0.4-1.4,0s-0.4,1,0,1.4l5,5c0.2,0.2,0.4,0.3,0.7,0.3s0.5-0.1,0.7-0.3l5-5c0.4-0.4,0.4-1,0-1.4S10.7,2.9,10.3,3.3z'/%3E%3C/svg%3E");
    background-position: calc(100% - 10px) center;
    background-repeat: no-repeat;
    padding-right: 30px;
}

.form-control:hover {
    border-color: var(--main-brown);
}

.form-control:focus {
    outline: none;
    border-color: var(--main-yellow);
    box-shadow: 0 0 0 2px rgba(195, 39, 43, 0.2);
}

.btn-submit {
    background-color: var(--main-yellow);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    font-size: 15px;
    margin: 5px;
    min-width: 80px;
    transition: all 0.2s ease;
}

.btn-submit:hover {
    background-color: var(--dark-yellow);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-submit:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}