* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", sans-serif;
}
body {
    background: #f5f7fa;
    padding: 15px;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}
h2 {
    color: #333;
    margin-bottom: 25px;
    text-align: center;
    font-size: 22px;
}
.btn-group {
    margin: 20px 0;
    text-align: right;
}
.btn-group a {
    display: inline-block;
    padding: 8px 16px;
    margin-left: 8px;
    background: #2d8cf0;
    color: #fff !important;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
}
.btn-group a:hover {
    background: #1b76d8;
}
.btn-group a[style*="ff4d4f"] {
    background: #ff4d4f !important;
}
.btn-group a[style*="ff4d4f"]:hover {
    background: #e6393c !important;
}
.form-item {
    margin: 18px 0;
    display: flex;
    align-items: center;
}
.form-item label {
    width: 130px;
    color: #555;
    font-weight: 500;
}
input, textarea, select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    width: 320px;
    font-size: 14px;
}
button {
    padding: 8px 20px;
    background: #2d8cf0;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
th, td {
    border: 1px solid #eee;
    padding: 12px;
    text-align: center;
}
th {
    background: #f8f9fa;
}
.h5-box {
    max-width: 480px;
    margin: 0 auto;
}
.h5-btn {
    display: block;
    padding: 15px;
    background: #2d8cf0;
    color: #fff !important;
    border-radius: 8px;
    margin: 15px 0;
    text-align: center;
    text-decoration: none;
}