#brand{display:none;}
.appx .nav-link,.appx .plain,.appx .tool-btn{color:#333;}
.appx button.burger{color:#333;}

.banner {
	color: #333;
	padding: 120px 0 120px;
	text-align: left;
	position: relative;
	overflow: hidden;
}

.banner_bt{
    width: 650px;
}

.banner h1 {
	font-size: 30px;
	font-weight: 700;
	margin-bottom: 24px;
	letter-spacing: 1px;
	line-height: 1.3;
}

.banner p {
	font-size: 15px;
	opacity: 0.92;
	max-width: 820px;
	line-height: 1.8;
	font-weight: 400;
	margin-bottom:48px;
}

.banner-btn-wrap {
	display: flex;
	justify-content: flex-start;
	gap: 20px;
	flex-wrap: wrap;
}

.banner-btn-wrap a {
	display: inline-block;
	padding: 15px 42px;
	border-radius: 60px;
	text-decoration: none;
	font-weight: 600;
	font-size: 17px;
	transition: all 0.25s ease;
	letter-spacing: 0.3px;
}

.btn-white {
	background: #fff;
	color: #e50011;
}

.btn-white:hover {
	transform: translateY(-2px);
}

.btn-outline {
	background: transparent;
	border: 2px solid #e50011;
	color: #e50011;
}

.btn-outline:hover {
	transform: translateY(-2px);
}


/* 痛点 */
.pain-section {
	padding: 75px 0;
	background: #ffffff;
}

.pain-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 28px;
}

.pain-item {
	background:#f3fbfb;
	border-left: 6px solid #00a8a8;
	padding: 30px 26px;
	transition: all 0.3s ease;
}

.pain-item:hover {
	transform: translateY(-5px);
}

.pain-item h3 {
	color: #006b6b;
	margin-bottom: 14px;
	font-size: 20px;
	font-weight: 700;
}

.pain-item p {
	color: #2f4a4a;
	font-size: 15px;
	line-height: 1.7;
}

/* 核心优势 */
.advantage-section {
	padding: 80px 0;
	background: #f3fbfb;
}

.adv-grid {
	display: grid;
	grid-template-columns:repeat(3, 1fr);
	gap: 28px;
}

.adv-card {
	background: #fff;
	padding:30px;
	transition: all 0.35s ease;
	border: 1px solid rgba(0, 168, 168, 0.08);
	display: flex;
	flex-direction: column;
	align-items: flex-start;
}

.adv-card:hover {
	transform: translateY(-8px);
	border-color: rgba(0, 168, 168, 0.2);
}

.adv-icon {
	width: 60px;
	height: 60px;
	background: linear-gradient(135deg, #dff7f7, #c2efef);
	border-radius: 16px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 18px;
	font-size: 30px;
	line-height: 1;
	transition: all 0.3s ease;
	flex-shrink: 0;
}

.adv-card:hover .adv-icon {
	background: linear-gradient(135deg, #00a8a8, #007a7a);
	transform: scale(1.05);
}

.adv-icon svg {
	width: 32px;
	height: 32px;
	stroke: #007a7a;
	fill: none;
	stroke-width: 1.8;
	stroke-linecap: round;
	stroke-linejoin: round;
	transition: stroke 0.3s ease;
}

.adv-card:hover .adv-icon svg {
	stroke: #fff;
}

.adv-card h3 {
	color: #014a4a;
	margin-bottom: 14px;
	font-size: 20px;
	font-weight: 700;
	line-height: 1.4;
}

.adv-card p {
	color: #3f5068;
	font-size: 15px;
	line-height: 1.75;
}

/* ===== 三大产品系列（参考图片样式） ===== */
.product-section {
	padding: 80px 0;
	background: #fff;
}
#product-section{
    background: #f3fbfb;
}

.prod-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
	gap: 30px;
}

.prod-card {
	border: 1px solid #e0f0f0;
	overflow: hidden;
	background: #fff;
	transition: all 0.3s ease;
}

.prod-card:hover {
	transform: translateY(-6px);
	border-color: #b8e6e6;
}

.prod-img {
	width: 100%;
	height: auto;
}
.prod-img img{
    display:block;
    width:100%;
    height:100%;
    object-fit: cover;
}

.prod-head {
	background: linear-gradient(90deg, #014a4a, #007070);
	color: #fff;
	padding: 18px;
	font-size: 20px;
	font-weight: 700;
	text-align: center;
	letter-spacing: 0.5px;
	display:block;
}

.prod-body {
	padding: 20px 30px;
}

.prod-body ul {
	list-style: none;
	color: #2c3d55;
	font-size: 15px;
}

.prod-body li {
	margin: 10px 0;
	padding-left: 15px;
	position: relative;
	line-height: 1.6;
}

.prod-body li::before {
	content: "?";
	color: #00a8a8;
	font-weight: 700;
	font-size: 20px;
	position: absolute;
	left: 0;
	top: -8px;
}

/* 参数表格 */
.param-wrap {
	overflow-x: auto;
}

.param-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 15px;
	min-width: 700px;
}

.param-table th,
.param-table td {
	border-bottom: 1px solid #e0f0f0;
	padding: 16px 14px;
	text-align: center;
}

.param-table th {
	background: #014a4a;
	color: #fff;
	font-weight: 600;
	letter-spacing: 0.5px;
	font-size: 15px;
}

.param-table td{
    background: #fff;
}


.param-table td a h3{
    font-size:15px;
}
.param-table tr:nth-child(even) td{
	background: #e4f7f7;
}

.param-table tr:hover td {
	background: #e4f7f7;
}
tbody tr:last-child td {
    border-bottom: none;
}

/* 工作原理 */
.tip-text {
    margin-top: 30px;
    color: #333;
    background: #fff;
    padding: 18px 24px;
    font-size: 15px;
    line-height: 1.7;
    border-left: 5px solid #00a8a8;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.tip-text .tip-icon{
    font-size: 18px;
    flex-shrink: 0;
    line-height: 1.45;
    color:#1652bc;
}
.dh3 div{
    font-size:24px;
    margin-bottom:20px;
    font-weight:700;
}

.dh3 ul{margin-top:20px;}

.dh3 ul li{margin:3px 0;color:#3f5068;}
#tip-text{
    background: #fff0ec;
    border-left: 5px solid #c8421b;
}
#tip-text b{color:#c8421b;}

/* 适用行业与工艺 */
.scene-section {
	padding: 80px 0;
	background: #f3fbfb;
}

.scene-subtitle {
	font-size: 24px;
	color: #014a4a;
	font-weight: 700;
	margin-bottom: 32px;
	padding-left: 16px;
	border-left: 5px solid #00a8a8;
	line-height: 1.3;
}

.scene-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 26px;
	margin-bottom: 30px;
}

.scene-grid:last-of-type {
	margin-bottom: 0;
}

.scene-card {
	background: #fff;
	overflow: hidden;
	border: 1px solid #e0f0f0;
	transition: all 0.35s ease;
	display: flex;
	flex-direction: column;
}

.scene-card:hover {
	transform: translateY(-8px);
	border-color: #b8e6e6;
}

.scene-img {
	width: 100%;
	height: 190px;
	position: relative;
	overflow: hidden;
}
.scene-icon {
	font-size: 52px;
	line-height: 1;
	filter: drop-shadow(0 4px 8px rgba(0, 168, 168, 0.2));
	transition: transform 0.3s ease;
}

.scene-card:hover .scene-icon {
	transform: scale(1.12);
}

.scene-content {
	padding: 22px 22px 26px;
	flex: 1;
	display: flex;
	flex-direction: column;
}

.scene-content h4 {
	font-size: 18px;
	color: #014a4a;
	font-weight: 700;
	margin-bottom: 10px;
	line-height: 1.4;
}

.scene-content p {
	color: #4a5b70;
	font-size: 14.5px;
	line-height: 1.7;
	flex: 1;
}

.scene-card.process .scene-img {
	background: linear-gradient(135deg, #eafaf5, #d4f0e8);
}

.scene-card.process .scene-icon {
	filter: drop-shadow(0 4px 8px rgba(20, 130, 110, 0.2));
}

.scene-card.industry .scene-img img,.scene-card.process .scene-img img{
    display:block;
    width:100%;
    height:100%;
    object-fit: cover;
}

.scene-card.process .scene-content h4 {
	color: #0b6b5a;
}

.scene-card.process {
	border-color: #d9ece7;
}

.scene-card.process:hover {
	border-color: #a8d8ce;
}

/* 使用限制与选型建议 */
.limit-box {
	margin-top: 30px;
	background: #fff8f0;
	padding: 24px 28px;
	border-left: 6px solid #f0a050;
}

.limit-box p {
	margin-bottom: 12px;
	color: #5a4a38;
	font-size: 15px;
	line-height: 1.75;
}

.limit-box p:last-child {
	margin-bottom: 0;
}

.limit-box strong {
	color: #c07020;
}

  /* ===================== 技术信息资料 ===================== */
  .tech-section {
    padding: 80px 0;
    background: #fff;
  }
  
/* 标题块 */
.section-header {
	text-align: center;
	margin-bottom: 48px;
}

.section-title {
	font-size: 28px;
	color: #333;
	position: relative;
	display: inline-block;
	font-weight: 700;
}

.section-subtitle {
	color: #666;
	font-size: 16px;
	margin-top: 10px;
}

  .tech-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 20px;
  }

  .tech-list li {
    display: flex;
    gap: 20px;
    padding: 26px 26px 24px;
    background: #fff;
    border: 1px solid #e0f0f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
  }
  .tech-list li:hover {
    border-color: #b8e6e6;
    transform: translateY(-4px);
  }

  .tech-list-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, #e8f0fe, #d4e2fc);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1560d0;
    font-size: 20px;
    transition: all 0.3s ease;
  }

  .tech-list li:hover .tech-list-icon {
    background: linear-gradient(135deg, #1560d0, #0c3c88);
    color: #fff;
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(21, 96, 208, 0.3);
  }

  .tech-list-content {
    flex: 1;
    min-width: 0;
  }

  .tech-list-title {
    font-size: 16.5px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    transition: color 0.25s ease;
  }


  .tech-list-title i {
    color: #1560d0;
    font-size: 15px;
    opacity: 0.8;
    margin-top: 4px;
    flex-shrink: 0;
  }

  .tech-list-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.75;
    margin: 0 0 14px;
  }

  .tech-list-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 12px;
    border-top: 1px dashed #e0e9f5;
    flex-wrap: wrap;
  }

  .tech-list-date {
    font-size: 12.5px;
    color: #888;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
  }

  .tech-list-date i {
    font-size: 12px;
    color: #888;
  }
  
    .tech-list-tag{
        display:flex;
        gap:5px;
    }

  .tech-list-tag a{
    font-size: 12px;
    color: #999;
    background: #f8f8f8;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
    line-height: 1.5;
    transition: all 0.25s ease;
        overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
  }

  .tech-list-tag a:hover {
    background: #00a8a8;
    color: #fff;
  }


/* ============ 常见咨询问题 ============ */
#ask{background:var(--bg-soft);padding:80px 0;}
.ask-grid{
	display:grid;
	grid-template-columns:repeat(3,1fr);
	gap:22px;
}
.ask-card{
	background:#fff;
	padding:24px 22px;
	transition:all .28s;
	border:1px solid #eee;
}
.ask-card:hover{
	background:#fff;
	border-color:var(--border);
	transform:translateY(-3px);
}
.ask-card h4{
	font-size:15px;
	color:var(--gray-1);
	font-weight:700;
	margin-bottom:8px;
	display:flex;
	align-items:center;
	gap:8px;
}
.ask-card h4 em{
	color:var(--red);
	font-size:14px;
	flex-shrink:0;
}
.ask-card p{
	font-size:13px;
	color:var(--gray-3);
	line-height:1.8;
}

/* 转化区块 */
.convert-section {
	padding: 80px 0;
	background: linear-gradient(145deg, #014a4a, #007070);
	color: #fff;
	text-align: center;
	position: relative;
	overflow: hidden;
}

.convert-section::before {
	content: "";
	position: absolute;
	top: -30%;
	left: -10%;
	width: 400px;
	height: 400px;
	background: radial-gradient(circle, rgba(255, 255, 255, 0.06), transparent 70%);
	border-radius: 50%;
}

.convert-section h2 {
	font-size: 34px;
	margin-bottom: 18px;
	font-weight: 700;
	letter-spacing: 0.5px;
	position: relative;
}

.convert-section p {
	font-size: 18px;
	margin: 0 auto 38px;
	opacity: 0.92;
	position: relative;
}

.convert-btn {
	display: inline-block;
	background: #fff;
	color: #014a4a;
	padding: 18px 54px;
	border-radius: 60px;
	font-weight: 700;
	font-size: 19px;
	text-decoration: none;
	transition: all 0.25s ease;
	box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
	position: relative;
	letter-spacing: 0.5px;
}

.convert-btn:hover {
	background: #e6f7f7;
	transform: translateY(-4px);
	box-shadow: 0 22px 44px rgba(0, 0, 0, 0.25);
}


/* ===== 模态框 ===== */
.modal-overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(10, 42, 92, 0.55);
	backdrop-filter: blur(6px);
	z-index: 9999;
	justify-content: center;
	align-items: center;
	animation: fadeIn 0.25s ease;
}
.modal-overlay.active { display: flex; }
.modal-box {
	background: white;
	max-width: 520px;
	width: 94%;
	border-radius: 32px;
	padding: 40px 36px 36px;
	box-shadow: 0 30px 60px rgba(0,0,0,0.2);
	position: relative;
	animation: slideUp 0.3s ease;
	max-height: 96vh;
	overflow-y: auto;
}
.modal-close {
	position: absolute;
	top: 16px;
	right: 20px;
	font-size: 28px;
	background: none;
	border: none;
	color: #94a3b8;
	cursor: pointer;
	transition: 0.2s;
	padding: 4px 8px;
	line-height: 1;
}
.modal-close:hover { color: #333; transform: rotate(90deg); }
.modal-box h3 {
	font-size: 24px;
	font-weight: 700;
	color: #333;
	margin-bottom: 8px;
}
.modal-box h3 i { color: #e50011; margin-right: 8px; }
.modal-box .sub {
	color: #64748b;
	font-size: 15px;
	margin-bottom: 28px;
	border-bottom: 1px solid #e9edf4;
	padding-bottom: 16px;
}
.modal-box label {
	display: block;
	font-weight: 600;
	font-size: 14px;
	color: #1e293b;
	margin-bottom: 6px;
}
.modal-box input,
.modal-box textarea {
	width: 100%;
	padding: 12px 0;
	border: 1.5px solid #e2e8f0;
	border-radius: 14px;
	font-size: 15px;
	transition: 0.2s;
	background: #f8fafc;
	margin-bottom: 18px;
	font-family: inherit;
	text-indent:10px;
}
.modal-box .szym{
    display: grid;
    gap: 40px;
    grid-template-columns: 1fr 0.5fr;
}
.modal-box .szym img{
    display: block;
    width: 100%;
    height:46px;
    border-radius: 10px;
}
.modal-box input:focus,
.modal-box textarea:focus {
	outline: none;
	border-color: #e50011;
	background: white;
	box-shadow: 0 0 0 4px rgba(255, 179, 71, 0.15);
}
.modal-box textarea { min-height: 90px; resize: vertical; }
.modal-box .btn-submit {
	width: 100%;
	padding: 14px;
	background: #e50011;
	border: none;
	border-radius: 60px;
	font-weight: 700;
	font-size: 18px;
	color: #fff;
	cursor: pointer;
	transition: 0.2s;
	box-shadow: 0 6px 18px rgba(229, 0, 17, 0.3);
}
.modal-box .btn-submit:hover {
	background: #9b000c;
	transform: translateY(-2px);
	box-shadow: 0 10px 28px rgba(229, 0, 17, 0.4);
}
.modal-box .btn-submit i { margin-right: 8px; }
.modal-box .form-footer {
	text-align: center;
	font-size: 13px;
	color: #94a3b8;
	margin-top: 16px;
}
@keyframes fadeIn {
	from { opacity: 0; }
	to { opacity: 1; }
}
@keyframes slideUp {
	from { transform: translateY(40px); opacity: 0; }
	to { transform: translateY(0); opacity: 1; }
}
@media (max-width: 480px) {
	.modal-box { padding: 28px 20px 28px; }
	.modal-box h3 { font-size: 20px; }
}

/* 响应式优化 */
@media (max-width: 900px) {
    .ask-grid{grid-template-columns:repeat(2,1fr);}
	.banner h1 {
		font-size: 32px;
	}

	.banner p {
		font-size: 16px;
	}

	.convert-section h2 {
		font-size: 28px;
	}

	.param-table th,
	.param-table td {
		padding: 12px;
		font-size: 12px;
	}
	
	.param-table td a h3{
	    font-size:12px;
	}
	.principle-card{
	    padding:15px;
	}
	.principle-card p{
	    font-size:12px;
	    line-height:1.55;
	}
	
	.scene-card{
	    border-radius:10px;
	}

	.scene-grid {
		grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
		gap: 20px;
	}
	.section-head-desc{font-size:12px;margin-bottom:0;}
.tech-section{padding:52px 0;}
.tech-list{grid-template-columns: repeat(1, 1fr);}
.tech-list li{padding:15px;}
.tech-list-title{font-size:15px;}
.tech-list-desc{font-size:12px;line-height:1.55;}
.step{padding:15px;}
.service-card{padding:15px;}
.overview-text p{font-size:12px;line-height:1.55;}
.section-head{margin-bottom:20px;}
.overview-note{padding:15px;}
.overview-note p{font-size:12px;line-height:1.55;}
.dh3 div {font-size:20px;margin-bottom:0;}
.dh3 ul{margin-top:10px;}
.dh3 ul li{font-size:12px;line-height:1.55;}
.title-block p{
    font-size:12px;
    margin-top:10px;
}
}

@media (max-width: 768px) {
	.banner {
		padding: 80px 0 65%;
		background:url(/template/pc/skin/css/../images/blowers_phone.jpg) no-repeat bottom!important;
		background-size:cover!important;
	}
	
	.ask-grid{grid-template-columns:1fr;}
	.ask-card{padding:20px 18px;}
	.banner_bt{
	    padding:30px;
	    width:auto;
	}

	.banner h1 {
		font-size: 26px;
	}

	.banner p {
		font-size: 12px;
		line-height:1.55;
	}

	.banner-btn-wrap a {
		display: block;
		width:auto;
		max-width: initial;
		margin: 0;
		padding:15px;
		font-size:13px;
		text-align: center;
	}

	.banner-btn-wrap {
		flex-direction: column;
		align-items: center;
		display: grid;
		grid-template-columns: repeat(2, 1fr);
	}

	.pain-section,
	.advantage-section,
	.product-section,
	.principle-section,
	.scene-section,
	.faq-section,
	.convert-section {
		padding: 30px 0;
	}

	.prod-grid {
		grid-template-columns: 1fr;
	}
	
	.adv-grid{
	    grid-template-columns: repeat(2, 1fr);
	    gap:15px;
	}
	
	.limit-box{
	    padding:15px;
	}
	
	.limit-box p{
	    font-size:12px;
	    line-height:1.55;
	}
	
	.faq-item{
	    border-radius:10px;
	}

	.convert-section h2 {
		font-size: 24px;
	}

	.convert-section p {
		font-size: 12px;
		padding: 0 10px;
	}

	.convert-btn {
		padding: 16px 40px;
		font-size: 15px;
	}

	.adv-icon {
		width: 54px;
		height: 54px;
	}

	.adv-icon svg {
		width: 28px;
		height: 28px;
	}

	.scene-subtitle {
		font-size: 20px;
		margin-bottom: 24px;
	}

	.scene-grid {
		grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
		gap: 16px;
		margin-bottom: 20px;
	}

	.scene-img {
		height: 120px;
		font-size: 38px;
	}

	.scene-icon {
		font-size: 42px;
	}

	.scene-content {
		padding: 18px 16px 20px;
	}

	.scene-content h4 {
		font-size: 16px;
	}

	.scene-content p {
		font-size: 13.5px;
	}

	.faq-question {
		padding: 18px 20px;
	}

	.faq-question h4 {
		font-size: 15px;
	}

	.faq-toggle {
		width: 28px;
		height: 28px;
	}

	.faq-toggle::before {
		width: 12px;
	}

	.faq-toggle::after {
		height: 12px;
	}

	.faq-item.active .faq-answer {
		padding: 0 20px 22px 20px;
	}

	.faq-answer p {
		font-size: 12px;
		line-height:1.55;
	}

	.principle-card {
		padding: 24px 20px;
	}

	.principle-img {
		height: 180px;
	}
	
	.pain-item{
	    padding:15px;
	}
	.pain-item h3{
	    font-size:15px;
	    margin-bottom:10px;
	}
	.pain-item{
	    border-radius:10px;
	}
	.pain-item p{
	    font-size:12px;
	    line-height:1.55;
	}
	
	.convert-section h2{
	    font-size:15px;
	}
}

@media (max-width: 480px) {
	.banner h1 {
		font-size: 15px;
	}

	.adv-card h3 {
		font-size: 15px;
	}
	.adv-card p{
	    font-size:12px;
	    line-height:1.55;
	}

	.prod-head {
		font-size: 15px;
		padding:15px;
	}
	.prod-body{
	    padding:15px;
	}
	.prod-body ul{
	    font-size:12px;
	}

	.adv-card{
	    padding:15px;
	    border-radius:10px;
	}

	.scene-grid {
		grid-template-columns: 1fr 1fr;
		gap: 12px;
	}

	.scene-img {
		height: 100px;
		font-size: 32px;
	}

	.scene-icon {
		font-size: 36px;
	}

	.scene-content {
		padding: 14px 12px 16px;
	}

	.scene-content h4 {
		font-size: 14px;
		margin-bottom: 6px;
	}

	.scene-content p {
		font-size: 12px;
		line-height: 1.55;
	}

	.param-wrap{
	    border-radius:10px;
	}
}