section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
}

.section-title h2 {
    font-size: 2.8rem;
    color: var(--dark);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    font-weight: 700;
}

.section-title h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.section-title p {
    color: var(--gray);
    font-size: 1.2rem;
    max-width: 800px;
    margin: 30px auto 0;
    line-height: 1.8;
}




.page-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.page-header-text {
    flex: 1;
    padding-right: 50px;
}

.page-header h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    line-height: 1.2;
    font-weight: 700;
    color: var(--dark);
}

.page-header h1 span {
    color: var(--primary);
}

.page-header p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: var(--gray);
    line-height: 1.8;
}

.search-box {
    position: relative;
    max-width: 600px;
    margin-bottom: 30px;
}

.search-box input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--primary-light);
    border-radius: 50px;
    font-size: 1.1rem;
    box-shadow: 0 5px 15px rgba(24, 144, 255, 0.1);
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 8px 20px rgba(24, 144, 255, 0.2);
}

.search-box button {
    position: absolute;
    right: 15px;
    top: 10px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 11px 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.search-box button:hover {
    background: var(--primary-dark);
}

.page-header-image {
    flex: 1;
    text-align: center;
    position: relative;
}

.help-illustration {
    width: 100%;
    height: 400px;
    background: linear-gradient(145deg, #ffffff, #f0f0f0);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* AOS 动画完成后的帮助插图浮动效果 */
.page-header-image.aos-animate .help-illustration {
    animation: helpFloat 6s ease-in-out infinite;
}

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

.help-illustration i {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 20px;
}


/* 帮助分类 */
.help-categories {
    background: white;
}

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

.category-card {
    background: white;
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid #f0f0f0;
}

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

.category-icon {
    width: 80px;
    height: 80px;
    background: rgba(24, 144, 255, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.category-card:hover .category-icon {
    background: var(--primary);
    transform: rotateY(180deg);
}

.category-icon i {
    font-size: 2.5rem;
    color: var(--primary);
    transition: all 0.3s ease;
}

.category-card:hover .category-icon i {
    color: white;
}

.category-card h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--dark);
    font-weight: 600;
}

.category-card p {
    color: var(--gray);
    font-size: 1.05rem;
    margin-bottom: 25px;
}

.category-card .btn {
    padding: 10px 25px;
    font-size: 1rem;
}

/* 常见问题 */
.faq-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #e6f7ff 100%);
    position: relative;
    overflow: hidden;
}


.faq-container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    overflow: hidden;
    background: white;
}

.faq-question {
    padding: 20px;
    background: #f9f9f9;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: background 0.3s ease;
}

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

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 500px;
}

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

/* 联系支持 */
.support-section {
    background: white;
}

.support-content {
    display: flex;
    align-items: center;
    gap: 60px;
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border-radius: 20px;
    padding: 60px 50px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.support-text {
    flex: 1;
}

.support-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.support-text p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.support-options {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
    padding-top: 30px;
}

.support-option {
    flex: 1;
    min-width: 200px;
    background: white;
    border-radius: 8px;
    padding:40px 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s ease;
}

.support-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.support-option i.support-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.support-option h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.support-option p {
    font-size: 0.95rem;
    margin-bottom: 15px;
    color: var(--gray);
}

.support-illustration i {
    font-size: 4rem;
    color: var(--primary);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .page-header-content {
        flex-direction: column;
        text-align: center;
    }

    .page-header-text {
        padding-right: 0;
        margin-bottom: 50px;
    }

    .support-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    section {
        padding: 70px 0;
    }

    .section-title h2 {
        font-size: 2.2rem;
    }

    .page-header h1 {
        font-size: 2.5rem;
    }
}