* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Roboto, "Helvetica Neue", Arial;
    background: #f5f7fa;
    color: #222;
}

.container {
    max-width: 960px;
    margin: 40px auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

h1 {
    font-size: 22px;
    font-weight: 600;
    margin: 0;
}

.btn {
    background: #1677ff;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
}

.btn:hover {
    background: #135edc;
}

.bt {
    background: #1677ff;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
}

.bt:hover {
    background: #135edc;
}

.card {
    background: #fff;
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

.card a {
    color: #1677ff;
    text-decoration: none;
}

.card a:hover {
    text-decoration: underline;
}

.meta {
    font-size: 13px;
    color: #888;
    margin-top: 6px;
}

input,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
}

label {
    font-size: 14px;
    font-weight: 500;
    display: block;
    margin-bottom: 6px;
}