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

        body {
            font-family: "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
            background: #f5f5f5;
            color: #333;
            font-size: 14px;
            line-height: 1.6;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        .container {
            width: 1200px;
            margin: 0 auto;
        }

        /* 顶部栏 */
        .top-bar {
            background: linear-gradient(to bottom, #fff8f5, #fef5f0);
            border-bottom: 1px solid #f0e6de;
            padding: 8px 0;
            font-size: 12px;
            color: #666;
        }

        .top-bar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .welcome {
            color: #666;
        }

        .top-links a {
            color: #666;
            margin-left: 15px;
        }

        .top-links a:hover {
            color: #ff6b35;
        }

        /* 头部区域 */
        .header {
            background: linear-gradient(to bottom, #ffffff, #fff8f5);
            padding: 24px 0;
            box-shadow: 0 2px 12px rgba(255, 107, 53, 0.08);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 32px;
            font-weight: bold;
            color: #ff6b35;
            text-shadow: 2px 2px 4px rgba(255, 107, 53, 0.2);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .logo:hover {
            transform: scale(1.05);
        }

        .logo span {
            color: #262626;
        }

        .search-box {
            flex: 1;
            max-width: 650px;
            margin: 0 40px;
        }

        .search-form {
            display: flex;
        }

        .search-input {
            flex: 1;
            padding: 10px 15px;
            border: 2px solid #ff6b35;
            border-right: none;
            font-size: 14px;
            outline: none;
            border-radius: 4px 0 0 4px;
        }

        .search-btn {
            padding: 10px 35px;
            background-color: #ff6b35;
            color: #fff;
            border: 2px solid #ff6b35;
            cursor: pointer;
            font-size: 14px;
            font-weight: bold;
            border-radius: 0 4px 4px 0;
            transition: background-color 0.3s;
        }

        .search-btn:hover {
            background-color: #e85a2b;
        }

        .header-actions {
            display: flex;
            gap: 15px;
        }

        .action-btn {
            padding: 8px 18px;
            border: 1px solid #d9d9d9;
            background-color: #fff;
            color: #666;
            border-radius: 4px;
            font-size: 14px;
        }

        .action-btn:hover {
            border-color: #ff6b35;
            color: #ff6b35;
        }

        .action-btn.primary {
            background-color: #ff6b35;
            color: #fff;
            border-color: #ff6b35;
        }

        .action-btn.primary:hover {
            background-color: #e85a2b;
        }

        /* 主导航 */
        .main-nav {
            background: linear-gradient(to bottom, #ff8c5a, #ff6b35);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .nav-list {
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .nav-item a {
            display: block;
            padding: 0 12px;
            line-height: 48px;
            color: #fff;
            font-size: 15px;
            font-weight: 500;
        }

        .nav-item a:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 20px 0 10px;
            font-size: 13px;
            color: #888;
        }

        .breadcrumb a {
            color: #ff6b35;
        }

        .breadcrumb span {
            margin: 0 6px;
        }

        /* 文章详情主区域 */
        .article-wrapper {
            display: flex;
            gap: 30px;
            margin-bottom: 50px;
        }

        .article-main {
            flex: 2;
            background: white;
            border-radius: 24px;
            padding: 32px 40px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

        .article-title {
            font-size: 32px;
            font-weight: 700;
            color: #1f2d3d;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .article-meta {
            display: flex;
            gap: 24px;
            padding-bottom: 20px;
            margin-bottom: 24px;
            border-bottom: 1px solid #eee;
            color: #8c9aa8;
            font-size: 13px;
        }

        .article-meta i {
            margin-right: 6px;
            color: #ff6b35;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.8;
            color: #2c3e50;
        }

        .article-content p {
            margin-bottom: 20px;
        }

        .article-content h2 {
            font-size: 24px;
            margin: 30px 0 15px;
            color: #ff6b35;
        }

        .article-content h3 {
            font-size: 20px;
            margin: 25px 0 12px;
            color: #333;
        }

        .article-content img {
            max-width: 100%;
            border-radius: 16px;
            margin: 20px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }


        .tag {
            background: #f0f2f5;
            padding: 5px 14px;
            border-radius: 30px;
            font-size: 12px;
            color: #ff6b35;
        }

        /* 相关推荐侧边栏 */
        .article-sidebar {
            flex: 1;
        }

        .sidebar-card {
            background: white;
            border-radius: 20px;
            padding: 24px;
            margin-bottom: 30px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }

        .sidebar-title {
            font-size: 18px;
            font-weight: 600;
            border-left: 4px solid #ff6b35;
            padding-left: 12px;
            margin-bottom: 20px;
            color: #1f2d3d;
        }

        .relate-list li {
            list-style: none;
            margin-bottom: 16px;
            border-bottom: 1px dashed #eee;
            padding-bottom: 12px;
        }

        .relate-list li a {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            color: #555;
        }

        .relate-list li a:hover {
            color: #ff6b35;
        }

        /* 企业名片 */
        .company-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .company-name {
            font-size: 24px;
            font-weight: bold;
            color: #1f2d3d;
        }

        .auth-tag {
            flex-shrink: 0;
            background-color: #fff0eb;
            color: #ff6b35;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .vip-tag {
            background-color: #fff0eb;
            color: #ff6b35;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: bold;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 16px;
        }

        .divider {
            height: 1px;
            background-color: #f0f0f0;
            margin: 16px 0;
        }

        .contact-info {
            margin-bottom: 16px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .contact-icon {
            color: #ff6b35;
            font-size: 18px;
            margin-top: 3px;
        }

        .contact-text {
            flex: 1;
            font-size: 15px;
            color: #333;
            line-height: 1.5;
        }

        .contact-text .phone {
            font-size: 18px;
            font-weight: bold;
            color: #ff6b35;
        }

        .contact-text .small {
            font-size: 13px;
            color: #888;
            font-weight: normal;
        }

        .cert-tags {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
        }

        .cert-tag {
            background-color: #f8f9fa;
            padding: 6px 16px;
            border-radius: 8px;
            font-size: 13px;
            color: #444;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cert-tag i {
            color: #ff6b35;
        }

        .promise-btn {
            background-color: #fff0eb;
            color: #ff6b35;
            text-align: center;
            padding: 12px;
            border-radius: 24px;
            font-size: 14px;
            display: block;
            width: 100%;
            font-weight: bold;
        }

        .hot-item-side {
            display: flex;
            gap: 12px;
            margin-bottom: 16px;
            align-items: center;
        }

        .hot-num-side {
            width: 24px;
            height: 24px;
            background: #f0f0f0;
            color: #ff6b35;
            font-weight: bold;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 12px;
        }

        /* 电话卡片 */
        .phone-card {
            display: flex;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            padding: 16px;
            margin: 24px 0;
            background: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
        }

        .phone-card-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .phone-card-title {
            font-size: 18px;
            color: #1a5eb8;
            margin-bottom: 12px;
        }

        .phone-card-desc {
            font-size: 14px;
            color: #666;
            margin-bottom: 16px;
        }

        .phone-card-contact {
            align-self: flex-end;
            font-size: 20px;
            color: #ff5722;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 底部 */
        .footer {
            background: #1a1a2e;
            color: #ccc;
            text-align: center;
            padding: 40px 24px;
            margin-top: 40px;
        }

        .footer a {
            color: #ff8c5a;
        }

        .copyright {
            margin-top: 16px;
            font-size: 12px;
            color: #888;
        }

        @media (max-width: 1200px) {
            .container {
                width: 95%;
            }

            .article-wrapper {
                flex-direction: column;
            }
        }

        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
                gap: 20px;
            }

            .search-box {
                order: 3;
                margin: 0;
                width: 100%;
            }

            .nav-list {
                flex-wrap: wrap;
                justify-content: center;
            }

            .article-main {
                padding: 24px 20px;
            }

            .article-title {
                font-size: 24px;
            }
        }
        
        
          .article-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 20px;
    background: #fafafa;
    border-radius: 6px;
}
.nav-item h3{display: -webkit-box;
    overflow: hidden;
    color: #172033;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.55;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.relate-list li:first-child {
    display: none;
}