* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #f5f5f5;
}

.navbar {
    height: 60px;
    background-color: #fff;
    border-bottom: 1px solid #e4e7ed;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar-left {
    display: flex;
    align-items: center;
}

.logo {
    width: 100px;
    height: 40px;
    background: url('https://www.bslyun.com/static/index/img/logo2.png') no-repeat center center;
    background-size: contain;
    margin-right: 20px;
    filter: invert(0.7) sepia(1) saturate(5) hue-rotate(90deg);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.menu-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-right: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #07c160;
}

.navbar-right {
    display: flex;
    align-items: center;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
}

.lang-btn {
    padding: 6px 12px;
    font-size: 14px;
    border: 1px solid #e4e7ed;
    background-color: #fff;
    color: #606266;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.lang-btn:hover {
    border-color: #07c160;
    color: #07c160;
}

.lang-btn.active {
    background-color: #07c160;
    color: #fff;
    border-color: #07c160;
}

.user-info {
    display: flex;
    align-items: center;
    margin-right: 20px;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #07c160;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
    font-weight: 500;
}

.btn {
    padding: 8px 16px;
    border: 1px solid #07c160;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #07c160;
    color: #fff;
}

.btn-primary:hover {
    background-color: #06b356;
}

.btn-outline {
    background-color: transparent;
    color: #07c160;
}

.btn-outline:hover {
    background-color: rgba(7, 193, 96, 0.1);
}

.container {
    display: flex;
    margin-top: 60px;
    height: calc(100vh - 60px);
}

.sidebar {
    width: 200px;
    background-color: #fff;
    border-right: 1px solid #e4e7ed;
    padding: 20px 0;
    overflow-y: auto;
    transition: transform 0.3s;
    position: relative;
    z-index: 900;
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 10px;
}

.sidebar-menu a {
    display: block;
    padding: 10px 20px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    border-radius: 0 20px 20px 0;
}

.sidebar-menu a:hover {
    background-color: rgba(7, 193, 96, 0.1);
    color: #07c160;
}

.sidebar-menu a.active {
    background-color: rgba(7, 193, 96, 0.1);
    color: #07c160;
    font-weight: 500;
}

.sidebar-footer {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    padding: 0 20px;
}

.beian {
    font-size: 12px;
    color: #999;
    text-align: center;
    padding-top: 10px;
    border-top: 1px solid #e4e7ed;
}

.beian a {
    color: #999;
    text-decoration: none;
}

.beian a:hover {
    color: #666;
    text-decoration: underline;
}

.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background-color: #f5f5f5;
}

.content-header {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.05);
}

.content-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
}

.content-header p {
    color: #606266;
    font-size: 14px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.card {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px 0 rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 24px;
}

.card-icon .material-icons {
    font-size: 28px;
}

.card-icon.blue {
    background-color: rgba(45, 140, 240, 0.1);
    color: #2979ff;
}

.card-icon.green {
    background-color: rgba(7, 193, 96, 0.1);
    color: #07c160;
}

.card-icon.orange {
    background-color: rgba(250, 150, 50, 0.1);
    color: #fa9632;
}

.card-icon.purple {
    background-color: rgba(120, 100, 200, 0.1);
    color: #7864c8;
}

.card-icon.gray {
    background-color: rgba(100, 100, 100, 0.1);
    color: #666;
}

.card-icon.cyan {
    background-color: rgba(45, 206, 137, 0.1);
    color: #2dce89;
}

.card-icon.pink {
    background-color: rgba(236, 72, 153, 0.1);
    color: #ec4899;
}

.card-icon.yellow {
    background-color: rgba(250, 204, 21, 0.1);
    color: #facc15;
}

.card-icon.lime {
    background-color: rgba(101, 196, 106, 0.1);
    color: #65c466;
}

.card-icon.magenta {
    background-color: rgba(192, 132, 252, 0.1);
    color: #c084fc;
}

.card-icon.teal {
    background-color: rgba(20, 184, 166, 0.1);
    color: #14b8a6;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.card-desc {
    color: #606266;
    font-size: 14px;
    margin-bottom: 16px;
}

.card-link {
    color: #07c160;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

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

.card-clickable {
    text-decoration: none;
    color: inherit;
    display: block;
}

.cert-info {
    background-color: #f9fafc;
    border-radius: 8px;
    padding: 16px;
}

.info-row {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #e4e7ed;
}

.info-row:last-child {
    border-bottom: none;
}

.info-row label {
    width: 100px;
    font-weight: 500;
    color: #606266;
}

.info-row span {
    flex: 1;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    color: #303133;
    word-break: break-all;
    padding: 0 16px;
}

.copy-btn {
    padding: 6px 12px;
    background-color: #f5f7fa;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

.copy-btn:hover {
    background-color: #409EFF;
    border-color: #409EFF;
    color: #fff;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.05);
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.stat-label {
    color: #606266;
    font-size: 14px;
}

.table-container {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.05);
}

.table-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #e4e7ed;
}

th {
    background-color: #fafafa;
    font-weight: 600;
    color: #333;
}

td {
    color: #606266;
}

.table-actions {
    display: flex;
    gap: 10px;
}

.btn-sm {
    padding: 4px 12px;
    font-size: 12px;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 800;
    transition: opacity 0.3s;
}

.overlay.show {
    display: block;
}

.form-container {
    background-color: #fff;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 16px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #e4e7ed;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #07c160;
}

.upload-area {
    border: 2px dashed #e4e7ed;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s;
}

.upload-area:hover {
    border-color: #07c160;
}

.upload-area i,
.upload-area .material-icons {
    font-size: 48px;
    margin-bottom: 16px;
    color: #07c160;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .logo {
        display: none;
    }

    .nav-menu {
        display: none;
    }

    .sidebar {
        position: fixed;
        top: 60px;
        left: 0;
        bottom: 0;
        transform: translateX(-100%);
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: 1fr;
    }
}

.service-section { margin-bottom: 40px; }
.service-tabs { display: flex; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }
.service-tab {
    padding: 12px 24px;
    background: #fff;
    border: 2px solid #e4e7ed;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}
.service-tab:hover { border-color: #409EFF; color: #409EFF; }
.service-tab.active { background: #409EFF; border-color: #409EFF; color: #fff; }
.advantage-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-top: 20px; }
.advantage-item {
    background: #fff;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    text-align: center;
}
.advantage-icon { font-size: 40px; margin-bottom: 12px; }
.advantage-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.advantage-desc { font-size: 14px; color: #606266; }
.flow-section { margin-top: 40px; }
.flow-title { font-size: 20px; font-weight: 600; margin-bottom: 24px; text-align: center; }
.flow-steps { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 0; }
.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 40px;
    position: relative;
}
.flow-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: #409EFF;
}
.flow-num {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #409EFF, #66b1ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 12px;
}
.flow-step-text { font-weight: 500; color: #303133; }
.platform-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 24px; }
.platform-card {
    background: #fff;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    cursor: pointer;
    transition: all 0.3s;
}
.platform-card:hover { transform: translateY(-5px); box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
.platform-icon { font-size: 48px; margin-bottom: 16px; }
.platform-name { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.platform-desc { font-size: 14px; color: #606266; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.purchase-section { margin-top: 40px; }
.purchase-title { font-size: 20px; font-weight: 600; margin-bottom: 24px; text-align: center; }
.purchase-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-top: 24px; }
.purchase-item {
    background: #fff;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    text-align: center;
    position: relative;
}
.purchase-item:hover { transform: translateY(-5px); box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
.purchase-num {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #FF6B6B, #ff8585);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    font-weight: bold;
}
.purchase-icon { font-size: 40px; margin-bottom: 12px; margin-top: 8px; }
.purchase-step-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.purchase-desc { font-size: 14px; color: #606266; line-height: 1.6; }
.cert-type-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: 24px; }
.cert-type-card {
    background: #fff;
    padding: 28px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    border: 2px solid #e4e7ed;
    transition: all 0.3s;
}
.cert-type-card:hover { border-color: #409EFF; transform: translateY(-5px); box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
.cert-type-icon { font-size: 56px; margin-bottom: 16px; }
.cert-type-name { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.cert-type-desc { font-size: 14px; color: #606266; margin-bottom: 16px; line-height: 1.6; }
.cert-type-features { list-style: none; padding: 0; margin: 0; }
.cert-type-features li { padding: 6px 0; color: #606266; font-size: 14px; }
.cert-type-features li::before { content: '✓ '; color: #67C23A; font-weight: bold; }
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: 24px; }
.service-card {
    background: #fff;
    padding: 28px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    border: 2px solid #e4e7ed;
    transition: all 0.3s;
}
.service-card:hover { border-color: #409EFF; transform: translateY(-5px); box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
.service-icon { font-size: 56px; margin-bottom: 16px; color: #409EFF; }
.service-icon .material-icons { font-size: 48px; }
.service-name { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.service-desc { font-size: 14px; color: #606266; margin-bottom: 16px; line-height: 1.6; }
.service-features { list-style: none; padding: 0; margin: 0; }
.service-features li { padding: 6px 0; color: #606266; font-size: 14px; }
.service-features li::before { content: '✓ '; color: #67C23A; font-weight: bold; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #909399; margin-bottom: 20px; }
.breadcrumb a { color: #409EFF; text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: #c0c4cc; }
.search-box { display: flex; align-items: center; background: #fff; border: 1px solid #dcdfe6; border-radius: 4px; padding: 8px 12px; margin-bottom: 32px; max-width: 500px; }
.search-box input { border: none; outline: none; flex: 1; font-size: 14px; }
.search-btn { background: none; border: none; cursor: pointer; font-size: 16px; }
.help-categories { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-bottom: 40px; }
.category-card { background: #fff; padding: 24px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); border: 2px solid #e4e7ed; transition: all 0.3s; }
.category-card:hover { border-color: #409EFF; transform: translateY(-5px); box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
.category-icon { font-size: 40px; margin-bottom: 16px; color: #409EFF; }
.category-icon .material-icons { font-size: 36px; }
.category-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.category-desc { font-size: 14px; color: #606266; margin-bottom: 16px; line-height: 1.6; }
.category-link { color: #409EFF; text-decoration: none; font-size: 14px; }
.category-link:hover { text-decoration: underline; }
.faq-section { margin-bottom: 40px; }
.faq-section h2 { font-size: 20px; font-weight: 600; margin-bottom: 20px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); overflow: hidden; padding: 0 20px; }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; cursor: pointer; font-weight: 500; }
.faq-arrow { color: #c0c4cc; font-size: 12px; margin-left: 16px; }
.faq-answer { display: none; padding: 0 24px 16px; color: #606266; font-size: 14px; line-height: 1.8; }
.faq-answer p { margin: 8px 0; }
.contact-section { background: #fff; padding: 24px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); }
.contact-section h2 { font-size: 20px; font-weight: 600; margin-bottom: 16px; }
.contact-section > p { color: #606266; margin-bottom: 20px; }
.contact-methods { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.contact-item { display: flex; align-items: center; gap: 16px; padding: 16px; background: #f5f7fa; border-radius: 8px; }
.contact-icon { font-size: 32px; color: #409EFF; }
.contact-icon .material-icons { font-size: 28px; }
.contact-title { font-weight: 600; margin-bottom: 4px; }
.contact-desc { font-size: 14px; color: #909399; }
.article-tags { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.tag { display: inline-flex; align-items: center; padding: 4px 12px; background: #f5f7fa; color: #606266; border-radius: 4px; font-size: 13px; }
.tag-primary { background: #409EFF; color: #fff; }
.tag-secondary { background: #909399; color: #fff; }
.tag-success { background: #67C23A; color: #fff; }
.tag-warning { background: #E6A23C; color: #fff; }
.tag-danger { background: #F56C6C; color: #fff; }
.tag-closable { padding-right: 6px; }
.tag-close { background: none; border: none; cursor: pointer; color: inherit; font-size: 16px; line-height: 1; padding: 0 0 0 6px; opacity: 0.7; }
.tag-close:hover { opacity: 1; }
.tag-icon { padding-left: 8px; }
.tag-sm { padding: 2px 8px; font-size: 12px; }
.tag-lg { padding: 6px 16px; font-size: 14px; }
.tag-round { border-radius: 20px; }
.tag-pill { border-radius: 100px; }
.tag-section { background: #fff; padding: 24px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); margin-bottom: 20px; }
.tag-section h2 { font-size: 16px; font-weight: 600; margin-bottom: 16px; border-bottom: 1px solid #e4e7ed; padding-bottom: 12px; }
.tag-demo { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.tag-group { margin-bottom: 16px; }
.tag-group h3 { font-size: 14px; color: #909399; margin-bottom: 12px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.tag-cloud-item { transition: all 0.3s; }
.tag-cloud-item:hover { transform: scale(1.1); opacity: 0.8; }
.status-active { background: #f0f9eb; color: #67C23A; }
.status-inactive { background: #f4f4f5; color: #909399; }
.status-pending { background: #fdf6ec; color: #E6A23C; }
.status-process { background: #ecf5ff; color: #409EFF; }
.article-content { background: #fff; padding: 32px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); }
.article-content h2 { font-size: 20px; font-weight: 600; margin: 24px 0 16px; color: #303133; }
.article-content h3 { font-size: 16px; font-weight: 600; margin: 20px 0 12px; color: #606266; }
.article-content p { color: #606266; line-height: 1.8; margin-bottom: 12px; }
.article-content ul, .article-content ol { color: #606266; padding-left: 24px; margin-bottom: 16px; }
.article-content li { line-height: 1.8; margin-bottom: 8px; }
.article-content a { color: #409EFF; text-decoration: none; }
.article-content a:hover { text-decoration: underline; }
.article-actions { display: flex; gap: 12px; margin: 32px 0; padding-top: 24px; border-top: 1px solid #e4e7ed; }
.btn { padding: 10px 20px; border-radius: 4px; cursor: pointer; font-size: 14px; border: none; transition: all 0.3s; }
.btn-primary { background: #409EFF; color: #fff; }
.btn-primary:hover { background: #66b1ff; }
.btn-secondary { background: #909399; color: #fff; }
.btn-secondary:hover { background: #a6a9ad; }
.btn-default { background: #fff; color: #606266; border: 1px solid #dcdfe6; }
.btn-default:hover { border-color: #409EFF; color: #409EFF; }
.related-articles { margin-top: 32px; padding-top: 24px; border-top: 1px solid #e4e7ed; }
.related-articles h3 { font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.related-list { display: flex; flex-direction: column; gap: 12px; }
.related-item { display: flex; align-items: center; gap: 16px; padding: 16px; background: #f5f7fa; border-radius: 8px; text-decoration: none; transition: all 0.3s; }
.related-item:hover { background: #ecf5ff; }
.related-icon { font-size: 32px; color: #409EFF; }
.related-icon .material-icons { font-size: 28px; }
.related-title { font-weight: 600; color: #303133; margin-bottom: 4px; }
.related-desc { font-size: 13px; color: #909399; }
.filter-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 16px; }
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tab { padding: 8px 16px; background: #fff; border: 1px solid #dcdfe6; border-radius: 4px; cursor: pointer; font-size: 14px; color: #606266; transition: all 0.3s; }
.filter-tab:hover { color: #409EFF; border-color: #409EFF; }
.filter-tab.active { background: #409EFF; color: #fff; border-color: #409EFF; }
.filter-sort { display: flex; align-items: center; gap: 8px; }
.sort-select { padding: 8px 12px; border: 1px solid #dcdfe6; border-radius: 4px; font-size: 14px; color: #606266; background: #fff; cursor: pointer; outline: none; }
.sort-select:focus { border-color: #409EFF; }
.doc-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
.doc-item { display: flex; align-items: center; gap: 20px; padding: 20px 24px; background: #fff; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); border: 2px solid transparent; transition: all 0.3s; text-decoration: none; }
.doc-item:hover { border-color: #409EFF; transform: translateX(4px); box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.doc-icon { font-size: 48px; flex-shrink: 0; color: #409EFF; }
.doc-icon .material-icons { font-size: 40px; }
.doc-info { flex: 1; }
.doc-title { font-size: 18px; font-weight: 600; color: #303133; margin-bottom: 8px; }
.doc-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; font-size: 13px; color: #909399; }
.doc-category { padding: 2px 8px; background: #ecf5ff; color: #409EFF; border-radius: 4px; }
.doc-date, .doc-views { color: #909399; }
.doc-desc { font-size: 14px; color: #606266; line-height: 1.6; }
.doc-arrow { font-size: 20px; color: #c0c4cc; transition: all 0.3s; }
.doc-item:hover .doc-arrow { color: #409EFF; transform: translateX(4px); }
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 32px; }
.page-btn, .page-num { padding: 8px 16px; background: #fff; border: 1px solid #dcdfe6; border-radius: 4px; cursor: pointer; font-size: 14px; color: #606266; transition: all 0.3s; }
.page-btn:hover:not(.disabled), .page-num:hover { border-color: #409EFF; color: #409EFF; }
.page-num.active { background: #409EFF; color: #fff; border-color: #409EFF; }
.page-btn.disabled { opacity: 0.5; cursor: not-allowed; }
.app-type-section { margin: 40px 0; }
.app-type-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 24px; }
.app-type-card { background: #fff; padding: 24px 20px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); border: 2px solid #e4e7ed; text-align: center; transition: all 0.3s; }
.app-type-card:hover { border-color: #409EFF; transform: translateY(-5px); box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
.app-type-icon { font-size: 40px; margin-bottom: 12px; color: #409EFF; }
.app-type-icon .material-icons { font-size: 36px; }
.app-type-name { font-size: 16px; font-weight: 600; color: #303133; margin-bottom: 8px; }
.app-type-desc { font-size: 13px; color: #909399; line-height: 1.5; }
.reviews-section { margin: 40px 0; }
.reviews-title { font-size: 20px; font-weight: 600; text-align: center; margin-bottom: 24px; }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.review-card { background: #fff; padding: 24px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); border: 2px solid #e4e7ed; }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.review-avatar { width: 48px; height: 48px; border-radius: 50%; background: #409EFF; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 600; flex-shrink: 0; }
.review-info { flex: 1; }
.review-name { font-weight: 600; color: #303133; margin-bottom: 4px; }
.review-company { font-size: 13px; color: #909399; }
.review-stars { font-size: 14px; }
.review-content { font-size: 14px; color: #606266; line-height: 1.7; }

/* Help Page Styles */
.search-box {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    max-width: 500px;
}
.search-box input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e4e7ed;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s;
}
.search-box input:focus {
    border-color: #409EFF;
}
.search-btn {
    padding: 12px 20px;
    background: #409EFF;
    border: none;
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    font-size: 18px;
    transition: background-color 0.3s;
}
.search-btn:hover {
    background: #67b3ff;
}

.help-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.category-card {
    background: #fff;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    border: 2px solid #e4e7ed;
    transition: all 0.3s;
}
.category-card:hover {
    border-color: #409EFF;
    transform: translateY(-3px);
}
.category-icon {
    font-size: 48px;
    margin-bottom: 12px;
}
.category-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}
.category-desc {
    font-size: 14px;
    color: #606266;
    margin-bottom: 12px;
    line-height: 1.5;
}
.category-link {
    color: #409EFF;
    text-decoration: none;
    font-size: 14px;
}
.category-link:hover {
    text-decoration: underline;
}

.faq-section {
    background: #fff;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 30px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.faq-section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e4e7ed;
}
.faq-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.faq-item {
    border-bottom: 1px solid #f0f0f0;
}
.faq-item:last-child {
    border-bottom: none;
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    cursor: pointer;
    font-weight: 500;
    color: #303133;
}
.faq-arrow {
    font-size: 12px;
    color: #909399;
    transition: transform 0.3s;
}
.faq-answer {
    display: none;
    padding: 0 0 16px;
    color: #606266;
    line-height: 1.8;
}
.faq-answer p {
    margin: 8px 0;
}

.contact-section {
    background: #fff;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.contact-section h2 {
    font-size: 18px;
    margin-bottom: 12px;
}
.contact-section p {
    color: #606266;
    margin-bottom: 20px;
}
.contact-methods {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #f5f7fa;
    border-radius: 8px;
    min-width: 200px;
}
.contact-icon {
    font-size: 32px;
}
.contact-title {
    font-weight: 500;
    margin-bottom: 4px;
}
.contact-desc {
    font-size: 14px;
    color: #606266;
}

/* Article Detail Styles */
.article-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}
.article-content {
    background: #fff;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.article-content h2 {
    font-size: 18px;
    margin-top: 24px;
    margin-bottom: 12px;
    color: #303133;
}
.article-content h3 {
    font-size: 16px;
    margin-top: 20px;
    margin-bottom: 10px;
    color: #303133;
}
.article-content p {
    color: #606266;
    line-height: 1.8;
    margin-bottom: 12px;
}
.article-content ul, .article-content ol {
    padding-left: 20px;
    margin-bottom: 16px;
}
.article-content li {
    color: #606266;
    line-height: 1.8;
    margin-bottom: 8px;
}
.article-content a {
    color: #409EFF;
    text-decoration: none;
}
.article-content a:hover {
    text-decoration: underline;
}
.article-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #e4e7ed;
}
.related-articles {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #e4e7ed;
}
.related-articles h3 {
    margin-bottom: 16px;
}
.related-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.related-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #f5f7fa;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}
.related-item:hover {
    background: #eef2f7;
}
.related-icon {
    font-size: 28px;
}
.related-title {
    font-weight: 500;
    margin-bottom: 4px;
}
.related-desc {
    font-size: 14px;
    color: #606266;
}

/* Tag Styles */
.tag-section {
    background: #fff;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.tag-section h2 {
    font-size: 16px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e4e7ed;
}
.tag-demo {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: #f5f7fa;
    border-radius: 4px;
    font-size: 14px;
    color: #606266;
    transition: all 0.3s;
}
.tag:hover {
    background: #eef2f7;
}
.tag-primary {
    background: rgba(64, 158, 255, 0.1);
    color: #409EFF;
}
.tag-secondary {
    background: rgba(144, 147, 153, 0.1);
    color: #909399;
}
.tag-success {
    background: rgba(103, 194, 58, 0.1);
    color: #67C23A;
}
.tag-warning {
    background: rgba(250, 173, 20, 0.1);
    color: #E6A23C;
}
.tag-danger {
    background: rgba(245, 108, 108, 0.1);
    color: #F56C6C;
}
.tag-closable {
    padding-right: 6px;
}
.tag-close {
    margin-left: 8px;
    padding: 0;
    background: none;
    border: none;
    font-size: 16px;
    color: inherit;
    cursor: pointer;
    line-height: 1;
    opacity: 0.6;
}
.tag-close:hover {
    opacity: 1;
}
.tag-icon {
    margin-right: 4px;
}
.tag-sm {
    padding: 4px 8px;
    font-size: 12px;
}
.tag-lg {
    padding: 8px 16px;
    font-size: 16px;
}
.tag-round {
    border-radius: 8px;
}
.tag-pill {
    border-radius: 20px;
}
.status-active {
    background: rgba(103, 194, 58, 0.1);
    color: #67C23A;
}
.status-inactive {
    background: rgba(144, 147, 153, 0.1);
    color: #909399;
}
.status-pending {
    background: rgba(250, 173, 20, 0.1);
    color: #E6A23C;
}
.status-process {
    background: rgba(64, 158, 255, 0.1);
    color: #409EFF;
}
.tag-group {
    margin-bottom: 20px;
}
.tag-group h3 {
    font-size: 14px;
    color: #909399;
    margin-bottom: 12px;
}
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 16px;
    background: #f5f7fa;
    border-radius: 8px;
}
.tag-cloud-item {
    cursor: pointer;
}
.tag-cloud-item:hover {
    transform: scale(1.05);
}

.contact-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.contact-modal.show {
    display: flex;
}

.contact-modal-mask {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    transition: opacity 0.3s;
}

.contact-modal-content {
    position: relative;
    background-color: #fff;
    border-radius: 12px;
    width: 90%;
    max-width: 480px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: modalFadeIn 0.3s ease;
}

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

.contact-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid #e4e7ed;
}

.contact-modal-title {
    font-size: 18px;
    font-weight: 600;
    color: #303133;
}

.contact-modal-close {
    font-size: 20px;
    color: #909399;
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

.contact-modal-close:hover {
    color: #303133;
}

.contact-modal-body {
    padding: 24px;
}

.contact-platform {
    font-size: 14px;
    color: #606266;
    margin-bottom: 20px;
    padding: 12px 16px;
    background-color: #f5f7fa;
    border-radius: 8px;
}

.contact-platform span {
    font-weight: 600;
    color: #409EFF;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info .contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background-color: #f5f7fa;
    border-radius: 8px;
    transition: background-color 0.3s;
}

.contact-info .contact-item:hover {
    background-color: #ecf5ff;
}

.contact-info .contact-icon {
    font-size: 32px;
}

.contact-info .contact-detail {
    flex: 1;
}

.contact-info .contact-title {
    font-weight: 600;
    color: #303133;
    margin-bottom: 4px;
}

.contact-info .contact-desc {
    font-size: 14px;
    color: #606266;
}

.contact-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #e4e7ed;
    display: flex;
    justify-content: flex-end;
}

.contact-modal-btn {
    padding: 10px 24px;
    background-color: #409EFF;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.contact-modal-btn:hover {
    background-color: #66b1ff;
}