/* 帮助中心搜索模块 */
.help-search {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    text-align: center;
}

.help-title {
    font-size: 36px;
    color: #333;
    margin-bottom: 40px;
}

.search-box {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 8px;
    padding: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.search-input {
    flex: 1;
    border: none;
    padding: 12px 20px;
    font-size: 16px;
    color: #333;
    outline: none;
}

.search-input::placeholder {
    color: #999;
}

.search-btn {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.search-btn:hover {
    transform: scale(1.1);
}

.search-icon {
    width: 24px;
    height: 24px;
    opacity: 0.6;
}

/* 帮助菜单模块 */
.help-menu {
    padding: 60px 0;
    background: #fff;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.menu-column {
    position: relative;
}

.menu-column::after {
    content: '';
    position: absolute;
    top: 0;
    right: -20px;
    width: 1px;
    height: 100%;
    background: #eee;
}

.menu-column:last-child::after {
    display: none;
}

.menu-title {
    font-size: 20px;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #00BFA6;
    display: inline-block;
}

.menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu-list li {
    margin-bottom: 15px;
}

.menu-list a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.menu-list a:hover {
    color: #00BFA6;
    padding-left: 5px;
}