/* 提交页面样式 - 仿 Volantis 卡片风格 */
:root {
    --primary-color: #1890ff;
    --secondary-color: #40a9ff;
    --text-color: #333333;
    --light-text-color: #666666;
    --border-radius-size: 16px;
    --card-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
    --card-shadow-hover: 0 22px 55px rgba(15, 23, 42, 0.18);
}

.submit-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 36px 32px;
    background: #ffffff;
    border: 1px solid #e5eaf0;
    border-radius: var(--border-radius-size);
    box-shadow: var(--card-shadow);
}

.submit-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: #111827;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.2px;
}

/* 统一所有输入框样式 */
.submit-container input[type="text"],
.submit-container input[type="url"],
.submit-container input[type="email"],
.submit-container textarea {
    width: 100% !important;
    padding: 14px 18px !important;
    border: 2px solid #e5eaf0 !important;
    border-radius: 14px !important;
    background: #ffffff !important;
    color: #111827 !important;
    font-size: 14px !important;
    box-sizing: border-box !important;
    transition: all 0.25s ease !important;
    font-family: inherit !important;
}

.submit-container input[type="text"]:hover,
.submit-container input[type="url"]:hover,
.submit-container input[type="email"]:hover,
.submit-container textarea:hover {
    border-color: #c0d3ff !important;
    background: #fafbfc !important;
}

.submit-container input[type="text"]:focus,
.submit-container input[type="url"]:focus,
.submit-container input[type="email"]:focus,
.submit-container textarea:focus {
    outline: none !important;
    border-color: var(--primary-color) !important;
    background: #ffffff !important;
    box-shadow: 0 0 0 4px rgba(24, 144, 255, 0.12), 0 4px 12px rgba(24, 144, 255, 0.08) !important;
    transform: translateY(-1px) !important;
}

.form-group label,
.form-col label {
    display: block;
    margin-bottom: 10px;
    color: #111827;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.2px;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.6;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-col {
    flex: 1;
}

.form-actions {
    margin-top: 32px;
    display: flex;
    gap: 12px;
}

.btn {
    padding: 12px 24px;
    border-radius: 14px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    border: 1px solid #d9dfe7;
    background: #f5f7fb;
    color: #555555;
    transition: background 0.25s, box-shadow 0.25s, transform 0.2s, border-color 0.25s;
}

.btn:hover {
    background: #e6f0ff;
    border-color: #c0d3ff;
    color: #1d39c4;
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    box-shadow: 0 10px 24px rgba(24, 144, 255, 0.45);
    color: #ffffff;
}

.btn-secondary {
    background: #ffffff;
    border-color: #d9dfe7;
    color: #555555;
}

.btn-secondary:hover {
    background: #f5f7fb;
    border-color: #c0d3ff;
    color: #333333;
}

.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 24px;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(82, 196, 26, 0.08);
    border-color: #52c41a;
    color: #389e0d;
}

.alert-error {
    background: rgba(255, 77, 79, 0.08);
    border-color: #ff4d4f;
    color: #cf1322;
}

@media (max-width: 768px) {
    .submit-container {
        padding: 24px 20px;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}