/* 关于我们和帮助中心页面样式 */

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
    padding: 100px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.5;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

/* 公司介绍部分 */
.company-intro {
    padding: 80px 0;
    background: #f8f9fa;
}

.company-intro h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
    font-weight: 700;
}

.company-content {
    max-width: 1200px;
    margin: 0 auto;
}

.company-info {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.company-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.company-highlights {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.company-highlights h3 {
    color: #D1AA57;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.company-highlights ul {
    list-style: none;
    padding: 0;
}

.company-highlights li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: #555;
}

.company-highlights li i {
    color: #D1AA57;
    margin-right: 15px;
    font-size: 1.1rem;
}

.nfa-info {
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
}

.nfa-info h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* 使命与愿景 */
.mission-vision {
    padding: 80px 0;
    background: white;
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.mv-item {
    text-align: center;
    padding: 40px 30px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mv-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.mv-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.mv-item h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.mv-item p {
    color: #555;
    line-height: 1.6;
}

/* 发展历程 */
.company-timeline {
    padding: 80px 0;
    background: #f8f9fa;
}

.company-timeline h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
    font-weight: 700;
}

.timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #D1AA57, #B8941F);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 50px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-year {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    margin: 0 30px;
}

.timeline-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    flex: 1;
    max-width: 400px;
}

.timeline-content h3 {
    color: #D1AA57;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.timeline-content p {
    color: #555;
    line-height: 1.6;
}

/* 团队介绍 */
.team-section {
    padding: 80px 0;
    background: white;
}

.team-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
    font-weight: 700;
}

.section-desc {
    text-align: center;
    color: #666;
    font-size: 1.2rem;
    margin-bottom: 60px;
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 15px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #D1AA57;
    margin-bottom: 10px;
}

.stat-label {
    color: #555;
    font-size: 1.1rem;
}

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

.dept-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border: 2px solid #f0f0f0;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.dept-item:hover {
    border-color: #D1AA57;
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.dept-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.dept-item h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.dept-item p {
    color: #555;
    line-height: 1.6;
}

/* 监管信息 */
.regulatory-info {
    padding: 80px 0;
    background: #f8f9fa;
}

.regulatory-info h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
    font-weight: 700;
}

.regulatory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.regulatory-item {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
}

.regulatory-logo {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: white;
    font-size: 2.5rem;
}

.regulatory-item h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.regulatory-details p {
    margin-bottom: 10px;
    color: #555;
}

.verify-link {
    color: #D1AA57;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 15px;
    transition: color 0.3s ease;
}

.verify-link:hover {
    color: #B8941F;
}

.regulatory-benefits {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.regulatory-benefits h3 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: #333;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.benefit-item i {
    font-size: 2.5rem;
    color: #D1AA57;
    margin-bottom: 15px;
}

.benefit-item span {
    color: #555;
    font-weight: 500;
}

/* 安全保障 */
.security-section {
    padding: 80px 0;
    background: white;
}

.security-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
    font-weight: 700;
}

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

.security-item {
    text-align: center;
    padding: 40px 30px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.security-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.security-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.security-item h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.security-item p {
    color: #555;
    line-height: 1.6;
}

/* 企业荣誉 */
.awards-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.awards-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
    font-weight: 700;
}

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

.award-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.award-item:hover {
    transform: translateY(-10px);
}

.award-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.award-item h3 {
    color: #333;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.award-item p {
    color: #666;
    font-size: 0.95rem;
}

/* 联系我们 */
.contact-section {
    padding: 80px 0;
    background: white;
}

.contact-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
    font-weight: 700;
}

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

.contact-item {
    text-align: center;
    padding: 40px 30px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.contact-item i {
    font-size: 3rem;
    color: #D1AA57;
    margin-bottom: 20px;
}

.contact-item h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.contact-item p {
    color: #D1AA57;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-item small {
    color: #666;
    font-size: 0.9rem;
}

/* 反馈表单 */
.feedback-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.feedback-form {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.feedback-form h3 {
    text-align: center;
    color: #333;
    margin-bottom: 15px;
    font-size: 2rem;
}

.feedback-form p {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #D1AA57;
    box-shadow: 0 0 0 3px rgba(209, 170, 87, 0.1);
}

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

.submit-btn {
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: block;
    margin: 30px auto 0;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(209, 170, 87, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header {
        padding: 80px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .company-info {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .mv-grid,
    .security-grid,
    .awards-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .team-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-departments {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 80px;
    }
    
    .timeline-year {
        margin: 0;
        position: absolute;
        left: 0;
    }
    
    .timeline-content {
        max-width: none;
    }
    
    .regulatory-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .feedback-form {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 60px 0 30px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .company-intro,
    .mission-vision,
    .company-timeline,
    .team-section,
    .regulatory-info,
    .security-section,
    .awards-section,
    .contact-section,
    .feedback-section {
        padding: 60px 0;
    }
    
    .team-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-year {
        width: 60px;
        height: 60px;
        font-size: 0.9rem;
    }
}

/* 帮助中心样式 */
.help-header {
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
    padding: 100px 0 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.help-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 20"><defs><radialGradient id="a" cx="50" cy="40" r="50"><stop offset=".1" stop-color="white" stop-opacity=".1"/><stop offset=".8" stop-color="white" stop-opacity="0"/></radialGradient></defs><rect width="100" height="20" fill="url(%23a)"/></svg>');
    animation: shine 3s infinite;
}

.help-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.help-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
}

.help-main {
    padding: 60px 0;
    background: #f8f9fa;
    min-height: 600px;
}

.help-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

/* 左侧导航 */
.help-sidebar {
    background: white;
    border-radius: 15px;
    padding: 30px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    height: fit-content;
    position: sticky;
    top: 120px;
}

.sidebar-section {
    padding: 20px 30px;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    transform: translateX(0);
}

.sidebar-section:last-of-type {
    border-bottom: none;
}

.sidebar-section:hover {
    background: #f8f9fa;
    transform: translateX(5px);
    box-shadow: 0 2px 10px rgba(209, 170, 87, 0.1);
}

.sidebar-section.active {
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
    transform: translateX(8px);
    box-shadow: 0 5px 15px rgba(209, 170, 87, 0.3);
}

.sidebar-section.active::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: #F4E5A1;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(244, 229, 161, 0.5);
}

.sidebar-section:active {
    transform: translateX(3px) scale(0.98);
}

.sidebar-section h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-section i {
    font-size: 1.2rem;
    opacity: 0.8;
}

.help-contact {
    padding: 30px;
    text-align: center;
    border-top: 1px solid #f0f0f0;
    margin-top: 20px;
}

.help-contact p {
    margin-bottom: 15px;
    color: #666;
    font-size: 0.9rem;
}

.contact-link {
    color: #D1AA57;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border: 2px solid #D1AA57;
    padding: 8px 16px;
    border-radius: 20px;
    display: inline-block;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.contact-link:hover::before {
    left: 100%;
}

.contact-link:hover {
    background: #D1AA57;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(209, 170, 87, 0.3);
}

/* 右侧内容区域 */
.help-content {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    position: relative;
    min-height: 600px;
}

.content-section {
    display: none;
    padding: 40px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.content-section.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 0.4s ease forwards;
}

/* 添加内容切换动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 帮助中心标签 */
.help-tabs {
    display: flex;
    border-bottom: 2px solid #f0f0f0;
    background: #f8f9fa;
    margin: -40px -40px 40px -40px;
    padding: 0 40px;
}

.help-tab-btn {
    background: none;
    border: none;
    padding: 20px 30px;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    position: relative;
    transform: translateY(0);
}

.help-tab-btn:hover {
    color: #D1AA57;
    background: rgba(209, 170, 87, 0.1);
    transform: translateY(-2px);
}

.help-tab-btn.active {
    color: #D1AA57;
    border-bottom-color: #D1AA57;
    background: white;
    font-weight: 600;
    transform: translateY(-3px);
    box-shadow: 0 3px 10px rgba(209, 170, 87, 0.2);
}

.help-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: #D1AA57;
    border-radius: 1px;
    box-shadow: 0 0 5px rgba(209, 170, 87, 0.5);
}

/* FAQ内容 */
.help-tab-content {
    display: none;
    animation-duration: 0.4s;
    animation-fill-mode: forwards;
}

.help-tab-content.active {
    display: block;
    animation-name: slideInFromRight;
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.faq-list {
    space-y: 20px;
}

.faq-item {
    border: 1px solid #e8e8e8;
    border-radius: 10px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    overflow: hidden;
    transform: translateY(0);
}

.faq-item:hover {
    border-color: #D1AA57;
    box-shadow: 0 5px 15px rgba(209, 170, 87, 0.1);
    transform: translateY(-2px);
}

.faq-item.active {
    border-color: #D1AA57;
    box-shadow: 0 8px 25px rgba(209, 170, 87, 0.2);
    transform: translateY(-3px);
}

.faq-question {
    padding: 20px 25px;
    background: #f8f9fa;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.faq-question:hover {
    background: #f0f0f0;
}

.faq-item.active .faq-question {
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
}

.faq-number {
    background: #D1AA57;
    color: white;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.faq-item.active .faq-number {
    background: white;
    color: #D1AA57;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    flex: 1;
    line-height: 1.4;
}

.faq-question i {
    font-size: 1rem;
    transition: transform 0.3s ease;
    color: #D1AA57;
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
    color: white;
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: white;
}

.faq-item.active .faq-answer {
    padding: 25px;
    max-height: 100%;
}

.faq-answer p {
    margin: 0 0 15px 0;
    line-height: 1.6;
    color: #555;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* 意见反馈表单 */
.feedback-section {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 50px;
    border-top: 4px solid #D1AA57;
}

.feedback-section h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 700;
    text-align: center;
}

.feedback-section > p {
    color: #6c757d;
    margin-bottom: 40px;
    line-height: 1.6;
    font-size: 1.1rem;
    text-align: center;
}

.feedback-form {
    margin-top: 30px;
}

.feedback-form .form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.feedback-form .form-group {
    flex: 1;
}

.feedback-form .form-group label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: 600;
    font-size: 14px;
}

.feedback-form .form-group input,
.feedback-form .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.feedback-form .form-group input:focus,
.feedback-form .form-group textarea:focus {
    border-color: #D1AA57;
    background: white;
    outline: none;
    box-shadow: 0 0 0 3px rgba(209, 170, 87, 0.1);
}

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

.feedback-form .submit-btn {
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    margin: 30px auto 0;
    min-width: 160px;
}

.feedback-form .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(209, 170, 87, 0.3);
    background: linear-gradient(135deg, #e6c068, #cc9f22);
}

.feedback-form .submit-btn:disabled {
    background: #ccc !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

.char-count {
    color: #999;
    font-size: 0.8rem;
    float: right;
    margin-top: 5px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .help-layout {
        grid-template-columns: 250px 1fr;
        gap: 30px;
    }
    
    .help-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .help-header h1 {
        font-size: 2.5rem;
    }
    
    .help-header p {
        font-size: 1rem;
    }
    
    .help-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .help-sidebar {
        order: 2;
        padding: 20px 0;
    }
    
    .sidebar-section {
        padding: 15px 20px;
    }
    
    .help-contact {
        padding: 20px;
    }
    
    .content-section {
        padding: 30px 20px;
    }
    
    .help-tabs {
        margin: -30px -20px 30px -20px;
        padding: 0 20px;
        flex-wrap: wrap;
    }
    
    .help-tab-btn {
        padding: 15px 20px;
        font-size: 0.9rem;
        flex: 1;
        min-width: calc(50% - 10px);
    }
    
    .faq-question {
        padding: 15px 20px;
        gap: 10px;
    }
    
    .faq-number {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 20px;
        max-height: 100%;
    }
    
    .feedback-section {
        padding: 30px;
        margin: 0 20px;
    }
    
    .feedback-section h2 {
        font-size: 1.8rem;
    }
    
    .feedback-form .form-row {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .help-header {
        padding: 80px 0 40px 0;
    }
    
    .help-header h1 {
        font-size: 2rem;
    }
    
    .help-main {
        padding: 40px 0;
    }
    
    .help-tabs {
        flex-direction: column;
    }
    
    .help-tab-btn {
        min-width: 100%;
        text-align: left;
        border-bottom: 1px solid #e8e8e8;
    }
    
    .help-tab-btn.active {
        border-bottom-color: #D1AA57;
    }
    
    .faq-question {
        padding: 12px 15px;
        flex-wrap: wrap;
    }
    
    .faq-number {
        width: 25px;
        height: 25px;
        font-size: 0.7rem;
    }
    
    .faq-question h3 {
        font-size: 0.9rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 15px;
        max-height: 100%;
    }
    
    .feedback-section {
        padding: 20px;
        margin: 0 10px;
        border-radius: 10px;
    }
    
    .feedback-section h2 {
        font-size: 1.5rem;
    }
    
    .feedback-section > p {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .feedback-form .submit-btn {
        padding: 12px 30px;
        font-size: 14px;
        min-width: 140px;
    }
}