* { margin: 0; padding: 0; box-sizing: border-box; font-family: "Microsoft YaHei", sans-serif; }
        body { background: #f0f4f8; color: #333; line-height: 1.7; padding-bottom:0 !important; margin:0;}

        .card {
            background: white; border-radius: 16px; padding: 32px; margin-bottom: 30px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.05); border-top: 4px solid #4a90e2;
            opacity: 0; transform: translateY(30px); transition: 0.8s ease;
        }
        .card.show { opacity: 1; transform: translateY(0); }
        .card:hover { box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
        .card h2 {
            color: #2c3e50; margin-bottom: 12px; font-size: 24px;
            border-left: 5px solid #ff7d00; padding-left: 14px;
        }
        .card h3 { color: #4a90e2; margin: 16px 0 12px; font-size: 19px; }

        /* 导航 - 原版效果 */
        .navbar {
            position: sticky; top:0; z-index: 100;
            background: #2563eb; color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .nav-container {
            max-width: 1050px; margin: 0 auto; padding: 0 10px;
            display: flex; flex-wrap: nowrap; align-items: center; justify-content: center;
            overflow-x: auto; gap:2px;
            -webkit-overflow-scrolling:touch;
        }
        .nav-item {
            padding: 10px 12px; color: white; text-decoration: none;
            font-weight: bold; font-size: 14px; transition: 0.2s;
            white-space: nowrap; flex-shrink:0;
        }
        .nav-item:hover { background: #1d4ed8; }

        @media (max-width: 768px) {
            .nav-item {
                padding: 8px 6px;
                font-size: 13px;
            }
            .nav-container {
                padding: 6px 10px;
                border-bottom: 1px solid rgba(255,255,250.15);
            }
        }

        /* Banner 高清笔记本清灰维修背景图（已更换） */
        .banner {
            width: 100%; height: auto; min-height: 260px;
            background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)), url('../img/banner.jpg') center center no-repeat;
            background-size: cover; display: flex; align-items: center; justify-content: center; flex-direction: column;
            color: white; text-align: center; padding: 30px 20px;
        }
        .banner h1 { font-size: 36px; margin-bottom: 12px; text-shadow: 0 3px 6px rgba(0,0,0,0.4); }
        .banner p { font-size: 20px; text-shadow: 0 2px 4px rgba(0,0,0,0.3); margin:4px 0; }

        @media (max-width: 768px) {
            .banner h1 { font-size: 32px; }
            .banner p { font-size: 14px; }
        }

        .container { max-width: 1050px; margin: 0 auto; padding: 20px 12px; }

        /* 图片 */
        .img-responsive {
            max-width: 100%; height: auto; border-radius: 12px; margin: 10px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            opacity: 0; transform: translateY(10px); transition: all 0.6s ease; cursor: pointer;
        }
        .img-responsive.loaded { opacity: 1; transform: translateY(0); }
        .img-responsive:hover { transform: scale(1.03); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }

        .img-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0; }
        .img-col { flex: 1; min-width: 220px; }

        /* 价格 */
        .price-container { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 18px; }
        .price-item {
            flex: 1; min-width: 280px; background: linear-gradient(145deg, #f8fcff, #f1f7ff);
            padding: 12px; border-radius: 12px; border: 1px solid #e1edff;
        }
        .price-item h3 { color: #ff7d00; margin-bottom: 10px; font-size: 20px; }
        .price { font-size: 28px; color: #e63946; font-weight: 700; margin: 8px 0; }
        .price-item ul { list-style: none; margin-top: 12px; }
        .price-item li { padding: 3px 0; font-size: 15px; color: #444; }
        .price-item li::before { content: "✅"; color: #27ae60; margin-right: 8px; }

        /* 优势 */
        .advantage-list { list-style: none; margin-top: 18px; }
        .advantage-list li {
            padding: 14px 0; font-size: 16px; border-bottom: 1px solid #f0f0f0;
            display: flex; align-items: flex-start;
        }
        .advantage-list li:last-child { border-bottom: none; }
        .advantage-list li span {
            color: #ff7d00; font-weight: 700; margin-right: 12px; font-size: 20px;
            background: #fff4e8; width: 28px; height: 28px; border-radius: 50%;
            display: inline-flex; align-items: center; justify-content: center;
        }

        /* 评价 */
        .review-box {
            background: linear-gradient(to right, #f8fcff, #f1f7ff);
            padding: 18px; border-radius: 10px; margin-bottom: 14px;
            border-left: 5px solid #4a90e2;
            transition: all 0.3s ease;
        }
        .review-box:hover {
            background: #e3f2fd;
            border-left-color: #ff7d00;
        }
        .review-name { font-weight: bold; color: #2c3e50; font-size: 16px; }
        .review-area { color: #7f8c8d; font-size: 14px; margin: 4px 0; }
        .review-content { color: #34495e; margin-top: 6px; line-height: 1.6; }

        /* 标签 */
        .tag {
            display: inline-block; background: linear-gradient(90deg, #e3f2fd, #d1e7ff);
            color: #1976d2; padding: 8px 14px; border-radius: 24px;
            font-size: 15px; margin-right: 8px; margin-bottom: 8px;
            border: 1px solid #c8e0ff;
        }
        .brand-tag {
            background: linear-gradient(90deg, #fff4e8, #ffecd2);
            color: #ff5722; border-color: #ffd0a8;
        }
		.tag:hover{background:#F00;
			color:#FFF}
		 .brand-tag:hover {
            background:#F00;
			color:#FFF
        }

        /* 二维码（已调整间距，更紧凑） */
        .qr-box { text-align: center; margin: 0 auto 10px; }
        .qr-box img {
            width: 150px; height: 150px; border: 5px solid white;
            box-shadow: 0 0 15px rgba(0,0,0,0.1); border-radius: 10px;
            margin-bottom: 4px;
        }
        .qr-text { font-size: 17px; color: #fff; font-weight: bold; }

        /* 材质对比 */
        .grease-row {
            display: flex; align-items: center; gap: 20px;
            background: linear-gradient(to right, #f8fff9, #f1fff4);
            padding: 18px; border-radius: 10px; margin-bottom: 14px;
            border-left: 5px solid #27ae60;
            transition: all 0.3s ease;
        }
        .grease-row:hover {
            background: #e3f2fd;
            border-left-color: #ff7d00;
        }
        .grease-left { flex: 3; }
        .grease-right { flex: 1; text-align: center; }
        .grease-right img {
            width: 160px; height: 141px; object-fit: cover;
            border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        .grease-title { font-weight: bold; color: #2c3e50; font-size: 17px; }
        .grease-desc { color: #34495e; margin-top: 6px; font-size: 15px; line-height: 1.8; }

        @media (max-width: 768px) {
            .grease-row {
                flex-direction: row;
                padding: 14px;
                gap: 10px;
            }
            .grease-right img {
                max-width: 80px;
                width: 100%;
                height: auto !important;
                object-fit: contain;
            }
        }
		/* 服务流程 - 横向卡片 */
.process-box {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 10px;
}
.process-item {
  flex: 1;
  min-width: 160px;
  background: #f8f9fa;
  padding: 14px;
  border-radius: 8px;
}
.process-item strong {
  color: #d01818;
}

        /* 联系我们 - 蓝绿渐变 */
        .contact {
            background: linear-gradient(135deg, #2563eb, #06b6d4);
            color: white; text-align: center; padding: 40px 20px; border-radius: 16px;
            margin-top: 35px; box-shadow: 0 8px 20px rgba(74,144,226,0.25);
            word-break: break-word;
        }
        .contact h2 { margin-bottom: 15px; color: white; border-left: 4px solid white; }
        .contact p {
            font-size: 16px !important;
            margin: 8px 0 !important;
            color: white !important;
            line-height: 1.6 !important;
        }
        a.tel-link {
            color: #fff !important; text-decoration: none !important; background: #FF7D00;
            padding:12px 24px; border-radius:50px; display:inline-block; margin-top:10px;
            font-weight:bold; box-shadow:0 4px 10px rgba(255,125,0,0.3);
        }
        a.tel-link:hover{ background: #E67000; }
        a[href^="tel:"] { color: inherit !important; text-decoration: none !important; cursor: pointer !important; }

        /* 资讯板块 - 4行2列 */
        .news-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 10px;
        }
        .news-item {
            background: #f8fcff;
            border: 1px solid #e1edff;
            border-radius: 12px;
            padding: 6px;
            transition: 0.3s;
        }
        .news-item a{
            text-decoration:none;
            color:inherit;
            display:block;
        }
        .news-item:hover {
            background: #e3f2fd !important;
            transform: translateY(-2px);
            border-color:#4a90e2;
        }
        .news-item h3 {
            font-size: 15px;
            color: #2c3e50;
            margin-bottom: 3px;
			margin-top:3px;
            line-height: 1.4;
        }
        .news-item p {
            font-size: 13px;
            color: #7f8c8d;
            line-height: 1.5;
        }

        /* 返回顶部 */
        .back-to-top {
            position: fixed;
            bottom: 70px;
            right: 20px;
            width: 46px;
            height: 46px;
            background: #2563eb;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 999;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: #ff7d00;
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .back-to-top {
                width: 40px;
                height: 40px;
                font-size: 18px;
                bottom: 65px;
                right: 15px;
            }
        }

        /* 移动端底部固定拨号导航 - 蓝绿渐变 */
        .mobile-bottom-bar{
            position:fixed;
            bottom:0;
            left:0;
            width:100%;
            height:50px;
            background:linear-gradient(135deg, #2563eb, #06b6d4);
            color:#FFF;
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:16px;
            font-weight:bold;
            z-index:9999;
            text-decoration:none;
            display: none;
        }
        @media (max-width: 768px) {
            .mobile-bottom-bar {
                display: flex;
            }
        }
        .mobile-bottom-bar:active{
            background:linear-gradient(135deg, #1d4ed8, #04a0bf);
        }

        /* 底部导航 */
        .footer-nav {
            background: #2563eb; padding: 20px 0; text-align: center;
            color: #fff; font-size: 15px; font-weight: bold;
        }
        .footer-nav-container {
            max-width: 1050px; margin: 0 auto; padding: 0 20px;
        }
        .footer-nav a {
            color: #fff; text-decoration: none; margin: 0 6px;
        }
        .footer-nav a:hover { color: #ffd0a8; }

        footer {
            text-align: center; padding: 30px; color: #7f8c8d; font-size: 15px;
            border-top: 1px solid #eaeaea; background: white;
        }
		footer a{ color:#CCC; font-size:14px; text-decoration: none; }

        /* 全局移动端统一优化 */
        @media (max-width:768px){
            .card { padding:20px 16px; }
            .card h2 { font-size:20px; }
            .container { padding:20px 10px; }
            .img-row { gap:10px; }
            .grease-row { margin-bottom:10px; }
            .review-box { padding:14px; }
            .price-item { min-width:100%; }
        }
        /* 专业科普行距优化 + 虚线分隔 */
        #why p { line-height: 1.85; margin-bottom: 8px; padding-bottom: 8px; border-bottom: 1px dashed #e0e0e0; }
        #why p:last-of-type { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }