.help-container {
    max-width: 1200px;
    margin: 80px auto 0;
    padding: 2rem;
}

.help-container h1 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
    font-size: 2.5rem;
}

.faq-section {
    display: grid;
    gap: 2rem;
}

.faq-category {
    background: rgba(26, 26, 46, 0.8);
    border-radius: 12px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    animation: fadeIn 0.6s ease-out;
}

.faq-category h2 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(74, 144, 226, 0.3);
}

.faq-list details {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
}

.faq-list summary {
    padding: 1rem;
    background: rgba(74, 144, 226, 0.1);
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.faq-list summary:hover {
    background: rgba(74, 144, 226, 0.2);
}

.faq-list details p {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    margin: 0;
    line-height: 1.6;
}

.faq-list details[open] summary {
    background: rgba(74, 144, 226, 0.2);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (min-width: 768px) {
    .faq-section {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* 快速导航样式 */
.quick-nav {
    margin-bottom: 4rem;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
}

.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.nav-item:hover {
    transform: translateY(-5px);
    background: rgba(74, 144, 226, 0.1);
}

/* 服务指南样式 */
.service-guide {
    margin-top: 4rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.guide-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.guide-card ul {
    list-style: none;
    padding: 0;
}

.guide-card li {
    margin: 1rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.guide-card li::before {
    content: '•';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

/* 联系方式样式 */
.contact-info {
    margin-top: 4rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
}

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

.contact-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.contact-btn {
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    background: var(--secondary-color);
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.contact-btn:hover {
    transform: translateY(-2px);
}

/* 文档中心样式 */
.doc-center {
    margin-top: 4rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
}

.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.doc-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.doc-card:hover {
    transform: translateY(-5px);
    background: rgba(74, 144, 226, 0.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .nav-grid,
    .guide-grid,
    .contact-grid,
    .doc-grid {
        grid-template-columns: 1fr;
    }
}