/* 手机优先设计 */
body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    min-height: 100dvh;
    background-image: url('background.png'), linear-gradient(to bottom, #110f27, #202e43, #38448a);
    /* 你的背景图 */
    background-size: cover;
    /* 自动铺满屏幕 */
    background-position: center;
    /* 居中 */
    background-repeat: no-repeat;
    /* 不重复 */
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Arial, Helvetica, sans-serif;
    /* background: linear-gradient(to bottom, #0f2027, #203a43, #2c5364); */
    color: white;
}

.container {
    width: 85%;
    max-width: 400px;
    margin: 60px auto;
    text-align: center;
}

h1 {
    font-size: 35px;
    margin-bottom: 50px;
    color: #ffdf75;
    text-shadow: 0 4px 12px rgba(41, 27, 0, 0.87);
}

h2 {
    font-size: 16px;
    font-weight: normal;
    margin-bottom: 50px;
    color: #ffffff;
}

/* 输入框 */
input {
    width: 75%;
    padding: 14px;
    margin-bottom: 15px;
    border-radius: 10px;
    border: none;
    box-shadow: 0 4px 12px rgba(41, 27, 0, 0.15);
    font-size: 16px;
}

/* 按钮 */
button {
    width: 85%;
    padding: 14px;
    border: none;
    box-shadow: 0 4px 12px rgba(41, 27, 0, 0.075);
    border-radius: 10px;
    background: #c9a93f;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #926400;
    color: #080666;
}

/* 渐变出现动画 */
.fade {
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.6s ease;
}

.fade.show {
    opacity: 1;
    transform: translateY(0);
}


/* 日期输入框特殊样式 */
.date-input {
    cursor: pointer;
    background-color: #fafafa;
}