/* 意见反馈页面样式 */

.feedback-hero {
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1f2e 50%, #0f1419 100%);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.feedback-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #e8f4fd;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.2rem;
    color: #b0c4de;
    margin-bottom: 40px;
    line-height: 1.6;
}

.feedback-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #00eaff;
    margin-bottom: 8px;
}

.stat-label {
    color: #b0c4de;
    font-size: 14px;
}

/* 反馈插图 */
.feedback-illustration {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.feedback-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #00eaff, #0099cc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
}

.feedback-icon i {
    font-size: 48px;
    color: white;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.float-item {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(0, 234, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 234, 255, 0.3);
    animation: float 3s ease-in-out infinite;
}

.float-item:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.float-item:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 0.5s;
}

.float-item:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: 1s;
}

.float-item:nth-child(4) {
    top: 30%;
    right: 25%;
    animation-delay: 1.5s;
}

.float-item i {
    font-size: 24px;
    color: #00eaff;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 反馈类型 */
.feedback-types {
    background: #101522;
    padding: 80px 0;
}

.feedback-types h2 {
    text-align: center;
    color: #00eaff;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.type-card {
    background: #1a1f2e;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(0, 234, 255, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.type-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 234, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 234, 255, 0.1);
}

.type-card.selected {
    border-color: #00eaff;
    background: rgba(0, 234, 255, 0.05);
}

.type-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #00eaff, #0099cc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.type-icon i {
    font-size: 32px;
    color: white;
}

.type-card h3 {
    color: #e8f4fd;
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.type-card p {
    color: #b0c4de;
    line-height: 1.6;
    margin-bottom: 20px;
}

.type-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.type-features span {
    background: rgba(0, 234, 255, 0.1);
    color: #00eaff;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    border: 1px solid rgba(0, 234, 255, 0.2);
}

/* 满意度调查 */
.satisfaction-survey {
    background: #0a0e1a;
    padding: 80px 0;
}

.satisfaction-survey h2 {
    text-align: center;
    color: #00eaff;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.survey-content {
    max-width: 800px;
    margin: 0 auto;
}

.survey-question {
    text-align: center;
    margin-bottom: 60px;
}

.survey-question h3 {
    color: #e8f4fd;
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.rating-stars {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.star {
    font-size: 32px;
    color: #b0c4de;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    position: relative;
    z-index: 1;
}

.star:hover,
.star.active {
    color: #ffd700;
    transform: scale(1.1);
}

.star i {
    pointer-events: none;
}

.rating-labels {
    display: flex;
    justify-content: space-between;
    color: #b0c4de;
    font-size: 12px;
    max-width: 400px;
    margin: 0 auto;
}

.survey-categories {
    background: #1a1f2e;
    border-radius: 16px;
    padding: 40px;
    border: 1px solid rgba(0, 234, 255, 0.1);
}

.survey-categories h3 {
    color: #e8f4fd;
    font-size: 1.3rem;
    margin-bottom: 30px;
    text-align: center;
}

.category-ratings {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(0, 234, 255, 0.1);
}

.category-item:last-child {
    border-bottom: none;
}

.category-name {
    color: #e8f4fd;
    font-weight: 500;
    min-width: 100px;
}

.category-stars {
    display: flex;
    gap: 5px;
}

.category-stars .star {
    font-size: 20px;
}

/* 反馈表单 */
.feedback-form {
    background: #101522;
    padding: 80px 0;
}

.form-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.form-info h2 {
    color: #00eaff;
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.form-info p {
    color: #b0c4de;
    line-height: 1.6;
    margin-bottom: 30px;
}

.form-tips {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tip-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #b0c4de;
}

.tip-item i {
    color: #00eaff;
    width: 20px;
}

.form-container {
    background: #1a1f2e;
    border-radius: 16px;
    padding: 40px;
    border: 1px solid rgba(0, 234, 255, 0.1);
}

.feedback-form-element {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    color: #e8f4fd;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    background: #0a0e1a;
    border: 1px solid rgba(0, 234, 255, 0.3);
    border-radius: 8px;
    color: #e8f4fd;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00eaff;
    box-shadow: 0 0 0 2px rgba(0, 234, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #b0c4de;
}

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

/* 文件上传 */
.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 2;
}

.upload-area {
    border: 2px dashed rgba(0, 234, 255, 0.3);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    background: rgba(0, 234, 255, 0.02);
}

.upload-area:hover {
    border-color: #00eaff;
    background: rgba(0, 234, 255, 0.05);
}

.upload-area i {
    font-size: 32px;
    color: #00eaff;
    margin-bottom: 12px;
}

.upload-area p {
    color: #e8f4fd;
    margin-bottom: 8px;
    font-weight: 500;
}

.upload-area span {
    color: #b0c4de;
    font-size: 12px;
}

/* 复选框样式 */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    color: #b0c4de;
    font-size: 14px;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 234, 255, 0.3);
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #00eaff;
    border-color: #00eaff;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.link {
    color: #00eaff;
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
}

.submit-btn i {
    transition: transform 0.3s ease;
}

.submit-btn:hover i {
    transform: translateX(4px);
}

/* 处理流程 */
.feedback-process {
    background: #0a0e1a;
    padding: 80px 0;
}

.feedback-process h2 {
    text-align: center;
    color: #00eaff;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.step-item {
    background: #1a1f2e;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(0, 234, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.step-item:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 234, 255, 0.3);
    box-shadow: 0 15px 30px rgba(0, 234, 255, 0.1);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00eaff, #0099cc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-content h3 {
    color: #e8f4fd;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.step-content p {
    color: #b0c4de;
    line-height: 1.6;
    margin: 0;
}

/* 常见问题 */
.feedback-faq {
    background: #101522;
    padding: 80px 0;
}

.feedback-faq h2 {
    text-align: center;
    color: #00eaff;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #1a1f2e;
    border-radius: 12px;
    margin-bottom: 16px;
    border: 1px solid rgba(0, 234, 255, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(0, 234, 255, 0.3);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(0, 234, 255, 0.05);
}

.faq-question h4 {
    color: #e8f4fd;
    font-size: 1.1rem;
    margin: 0;
}

.faq-question i {
    color: #00eaff;
    font-size: 16px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    color: #b0c4de;
    line-height: 1.6;
    padding: 0 20px 20px;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .feedback-hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .feedback-stats {
        justify-content: center;
        gap: 30px;
    }
    
    .types-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .form-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feedback-illustration {
        height: 300px;
    }
    
    .feedback-icon {
        width: 100px;
        height: 100px;
    }
    
    .feedback-icon i {
        font-size: 40px;
    }
    
    .float-item {
        width: 50px;
        height: 50px;
    }
    
    .float-item i {
        font-size: 20px;
    }
    
    .rating-stars {
        gap: 8px;
    }
    
    .star {
        font-size: 28px;
    }
    
    .category-item {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .category-name {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .feedback-hero {
        padding: 80px 0 40px;
    }
    
    .type-card,
    .step-item {
        padding: 20px;
    }
    
    .form-container {
        padding: 20px;
    }
    
    .feedback-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat-item {
        display: flex;
        align-items: center;
        gap: 16px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .survey-categories {
        padding: 20px;
    }
    
    .rating-labels {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}