body {
    margin: 0;
    font-family: "Microsoft YaHei UI", "Segoe UI", sans-serif;
    background: linear-gradient(180deg, #f7efe6 0%, #fefbf7 100%);
    color: #2d2a26;
}

.page-shell {
    min-height: 100vh;
}

.page-header {
    padding: 24px 20px 12px;
    text-align: center;
}

.brand {
    font-size: 28px;
    font-weight: 700;
    color: #8f5a3c;
}

.subtitle {
    margin-top: 6px;
    font-size: 14px;
    color: #7c746c;
}

.page-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 12px 16px 40px;
}

.card {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 12px 30px rgba(92, 60, 39, 0.12);
    padding: 24px 20px;
}

.card-title {
    margin: 0;
    font-size: 24px;
}

.card-desc {
    margin: 10px 0 20px;
    color: #73695f;
}

.success-panel {
    margin-bottom: 16px;
    padding: 12px 14px;
    background: #edf9ef;
    color: #1f6b2f;
    border-radius: 12px;
}

.error-panel {
    margin-bottom: 16px;
    padding: 12px 14px;
    background: #fff1f1;
    color: #b42318;
    border-radius: 12px;
}

.validation-summary {
    margin-bottom: 16px;
    color: #b42318;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field-full {
    grid-column: 1 / -1;
}

.field label {
    font-size: 14px;
    color: #4f4a44;
}

.input {
    width: 100%;
    box-sizing: border-box;
    min-height: 44px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid #d7c8bb;
    background: #fffdfa;
    font-size: 15px;
}

.textarea {
    min-height: 110px;
}

.field-error {
    color: #b42318;
    font-size: 13px;
}

.field-note {
    color: #7c746c;
    font-size: 12px;
    line-height: 1.4;
}

.field-note.warning {
    color: #9a3412;
}

.actions {
    margin-top: 20px;
    display: grid;
    gap: 12px;
}

.actions-top {
    margin-top: 0;
    margin-bottom: 18px;
}

.btn {
    border: none;
    border-radius: 14px;
    min-height: 46px;
    padding: 0 18px;
    font-size: 15px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.btn-primary {
    width: 100%;
    background: #b7774f;
    color: white;
}

.btn-secondary {
    width: 100%;
    background: #f3ece4;
    color: #8f5a3c;
    border: 1px solid #d7c8bb;
}

@media (max-width: 640px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 20px 16px;
        border-radius: 16px;
    }
}