/* feedback.css - 建议与反馈页面样式 */

.feedback-main {
    padding-top: 80px;
    min-height: calc(100vh - 80px);
}

.feedback-hero {
    padding: 60px 0;
    background: var(--darker-bg);
    text-align: center;
}

.feedback-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feedback-hero p {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.feedback-form-section {
    padding: 60px 0;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feedback-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-light);
    font-size: 1rem;
}

.required {
    color: #ff4757;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 198, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-gray);
    opacity: 0.7;
}

.char-counter {
    text-align: right;
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 0.25rem;
}

.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-upload-label:hover {
    border-color: var(--accent-color);
    background: rgba(0, 198, 255, 0.05);
}

.file-upload-label i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.file-upload-label span {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.file-upload-label small {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.file-preview {
    margin-top: 1rem;
    display: none;
}

.file-preview.active {
    display: block;
}

.file-preview-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.file-preview-item span {
    color: var(--text-light);
}

.file-preview-item button {
    background: none;
    border: none;
    color: #ff4757;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: normal;
    color: var(--text-gray);
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 3px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label a {
    color: var(--accent-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
}

.success-message {
    display: none;
    text-align: center;
    padding: 3rem;
}

.success-message.active {
    display: block;
}

.success-icon {
    font-size: 4rem;
    color: #2ed573;
    margin-bottom: 1.5rem;
}

.success-message h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.success-message p {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.contact-info {
    max-width: 800px;
    margin: 3rem auto 0;
    text-align: center;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.contact-method i {
    font-size: 2.5rem;
    color: var(--accent-color);
}

.contact-method h4 {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.contact-method p {
    color: var(--text-gray);
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .form-container {
        padding: 2rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .contact-methods {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .feedback-hero h1 {
        font-size: 2rem;
    }

    .form-container {
        padding: 1.5rem;
    }
}

/* 外壳 */
.select-ui { position:relative; display:inline-block; width:100%; }
.select-ui__label{
  display:flex; align-items:center; justify-content:space-between;
  width:100%; padding:.8rem 1rem; border:1px solid var(--border-color);
  border-radius:8px; background:rgba(255,255,255,.05); color:var(--text-light);
  cursor:pointer;
}
.select-ui__label::after{ content:"▼"; font-size:.6rem; margin-left:.8rem; }

/* 下拉列表 */
.select-ui__list{
  position:absolute; top:100%; left:0; right:0; z-index:10;
  margin:4px 0 0; padding:.4rem 0; list-style:none;
  background:var(--card-bg); border:1px solid var(--border-color);
  border-radius:8px; max-height:200px; overflow-y:auto;
}
.select-ui__list li{
  padding:.6rem 1rem; cursor:pointer; color:var(--text-light);
}
.select-ui__list li:hover,
.select-ui__list li[aria-selected="true"]{ background:var(--accent-color); color:#fff; }
/* 隐藏原生下拉，但保留它在表单里的值 */
#type {
  position: absolute;
  left: -9999px;   /* 肉眼不可见，读屏器/键盘仍能聚焦 */
  opacity: 0;
  pointer-events: none;
}