#brand { display: none; }

.appx .nav-link,
.appx .plain,
.appx .tool-btn { color: #333; }

.appx button.burger { color: #333; }

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

.banner_bt {
	width: 650px;
	max-width: 100%;
}

.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); }

/* ===================== 通用区块 ===================== */
.compare-section { margin-top: 40px; }

.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;
}

/* ===================== 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: linear-gradient(135deg, #fff5f1, #ffede7);
	border-left: 6px solid #ff5722;
	padding:20px;
	transition: all 0.3s ease;
}

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

.pain-item h3 {
	color: #b83a10;
	margin-bottom: 14px;
	font-size: 20px;
	font-weight: 700;
}

.pain-item p {
	color: #4a3a34;
	font-size: 15px;
	line-height: 1.7;
}

/* ===================== 核心优势 ===================== */
.advantage-section {
	padding: 80px 0;
	background: #f6f8fc;
}

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

.adv-card {
	background: #fff;
	padding: 34px 28px 30px;
	transition: all 0.35s ease;
	border: 1px solid rgba(22, 82, 188, 0.06);
	display: flex;
	flex-direction: column;
	align-items: flex-start;
}

.adv-card:hover {
	transform: translateY(-8px);
	border-color: rgba(22, 82, 188, 0.15);
}

.adv-icon {
	width: 60px;
	height: 60px;
	background: linear-gradient(135deg, #e8f0fe, #d4e2fc);
	border-radius: 16px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 18px;
	font-size: 30px;
	line-height: 1;
	box-shadow: 0 6px 14px rgba(22, 82, 188, 0.12);
	transition: all 0.3s ease;
	flex-shrink: 0;
}

.adv-card:hover .adv-icon {
	background: linear-gradient(135deg, #1652bc, #2b6de0);
	box-shadow: 0 10px 22px rgba(22, 82, 188, 0.3);
	transform: scale(1.05);
}

.adv-icon svg {
	width: 32px;
	height: 32px;
	stroke: #1652bc;
	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: #0d3b80;
	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;
}

/* ===================== 产品板块 ===================== */
.product-section {
	padding: 80px 0;
	background: #fff;
}

#product-section{background: #f6f8fc;}

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

.prod-card {
	overflow: hidden;
	background: #f6f8fc;
	transition: all 0.3s ease;
}

.prod-card:hover {
	transform: translateY(-6px);
}

.prod-img {
	width: 100%;
	height: auto;
	background: linear-gradient(135deg, #eef3fb, #dde7f5);
	display: flex;
	align-items: center;
	justify-content: center;
	color: #5f7394;
	font-size: 16px;
	font-weight: 500;
	letter-spacing: 0.5px;
}

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

.prod-head {
	background: linear-gradient(90deg, #0d3b80, #1652bc);
	color: #fff;
	padding: 18px;
	font-size: 20px;
	font-weight: 700;
	text-align: center;
	letter-spacing: 0.5px;
	display: block;
}

.prod-body { padding:20px 30px 5px;}

.prod-body ul {
	list-style: none;
	color: #2c3d55;
	font-size: 14px;
}

.prod-body li {
	margin: 5px 0;
	padding-left: 20px;
	position: relative;
	line-height: 1.4;
}

.prod-body li::before {
	content: "?";
	color: #1652bc;
	font-weight: 700;
	font-size: 20px;
	position: absolute;
	left: 0;
	top: -5px;
}

/* ===================== 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 #e4eaf2;
	padding: 16px 14px;
	text-align: center;
}

.param-table td a h3 { font-size: 15px; }

.param-table th {
	background: #0d3b80;
	color: #fff;
	font-weight: 600;
	letter-spacing: 0.5px;
	font-size: 15px;
}

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

.param-table tr:nth-child(even) { background: #edf3fd; }
.param-table tr:hover td { background: #edf3fd; }
.param-table tr:hover a { color: #e50011; }

/* ===================== 选型对比 ===================== */
.compare-wrap {
	overflow-x: auto;
}

.compare-table {
	width: 100%;
	border-collapse: collapse;
	min-width: 760px;
	background: #fff;
}

.compare-table th,
.compare-table td {
	border-bottom: 1px solid #dfe7f0;
	padding: 18px 20px;
	font-size: 15px;
}

.compare-table tr:last-child td{border-bottom: none;}

.compare-table th {
	background: #0d3b80;
	color: #fff;
	text-align: center;
	font-weight: 600;
}

.compare-table td:first-child {
	font-weight: 600;
	color: #0d3b80;
	background: #f4f8ff;
	text-align: center;
}

.compare-table tr:hover td { background: #f4f9ff; }

/* ===================== 适用行业与工艺 ===================== */
.scene-section {
	padding: 75px 0;
	background: #f6f8fc;
}

.scene-subtitle {
	font-size: 24px;
	color: #0d3b80;
	font-weight: 700;
	margin-bottom: 32px;
	padding-left: 16px;
	border-left: 5px solid #1652bc;
	line-height: 1.3;
}

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

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

.scene-card {
	background: #fff;
	overflow: hidden;
	border: 1px solid #e4ebf5;
	transition: all 0.35s ease;
	display: flex;
	flex-direction: column;
}

.scene-card:hover {
	transform: translateY(-8px);
	border-color: #c5d8f0;
}

.scene-img {
	width: 100%;
	height: 190px;
	background: linear-gradient(135deg, #eef4fd, #d9e6f8);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 48px;
	color: #1652bc;
	position: relative;
	overflow: hidden;
}

.scene-img::after {
	content: "";
	position: absolute;
	bottom: -30px;
	right: -30px;
	width: 100px;
	height: 100px;
	background: radial-gradient(circle, rgba(22, 82, 188, 0.08), transparent 70%);
	border-radius: 50%;
}

.scene-icon {
	font-size: 52px;
	line-height: 1;
	filter: drop-shadow(0 4px 8px rgba(22, 82, 188, 0.18));
	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: #333;
	font-weight: 700;
	margin-bottom: 10px;
	line-height: 1.4;
}

.scene-content p {
	color: #999;
	font-size: 14.5px;
	line-height: 1.7;
	flex: 1;
}

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

.scene-card.process { border-color: #d9ece7; }
.scene-card.process:hover { border-color: #a8d8ce; }

/* 提示 */
.scene-tip {
	color: #333;
	background: #fff;
	padding:20px;
	font-size: 15px;
	line-height: 1.7;
	border-left: 5px solid #1652bc;
	display: flex;
	align-items: flex-start;
	gap: 12px;
}

.scene-tip .tip-icon {
	font-size: 18px;
	flex-shrink: 0;
	line-height: 1.45;
	color: #1652bc;
}

/* ===================== 技术信息资料 ===================== */
.tech-section {
	padding: 70px 0;
	background: #ffffff;
}

.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 #e8eef7;
	transition: all 0.3s ease;
	position: relative;
	overflow: hidden;
}

.tech-list li:hover {
	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 li:hover .tech-list-title { color: #1560d0; }

.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: #888;
	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: #999;
	display: flex;
	align-items: center;
	gap: 6px;
	flex-shrink: 0;
}

.tech-list-date i {
	font-size: 12px;
	color: #999;
}

.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: #1560d0;
	color: #fff;
}

.tip-text {
	margin-top: 36px;
	color: #333;
	background: #f6f8fc;
	padding:20px;
	font-size: 15px;
	line-height: 1.7;
	border-left: 5px solid #1652bc;
	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; }

/* ===================== 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, #0d3b80, #1652bc);
	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;
	max-width: 820px;
	margin: 0 auto 38px;
	opacity: 0.92;
	position: relative;
}

.convert-btn {
	display: inline-block;
	background: #fff;
	color: #0d3b80;
	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: #f0f6ff;
	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; }
}

/* ============================================================
   响应式 —— 全部集中于此
   顺序：1380 → 1280 → 900 → 768 → 480
   ============================================================ */

/* ==================== 1380px ==================== */
@media (max-width: 1380px) {
	.banner { padding: 120px 0 80px; }
	.banner_bt { width: 580px; }
	.banner h1 { font-size: 28px; }
	.banner p { font-size: 14.5px; max-width: 760px; margin-bottom: 42px; }

	.section-title { font-size: 26px; }
	.section-header { margin-bottom: 42px; }

	.pain-section,
	.advantage-section,
	.product-section,
	.scene-section,
	.tech-section,
	.compare-section { padding: 64px 0; }

	.pain-grid { gap: 22px; }
	.pain-item { padding: 26px 22px; }
	.pain-item h3 { font-size: 18.5px; }
	.pain-item p { font-size: 14.5px; }

	.adv-grid { gap: 22px; }
	.adv-card { padding: 30px 24px 26px; }
	.adv-card h3 { font-size: 18.5px; }
	.adv-card p { font-size: 14.5px; }

	.prod-grid { gap: 24px; }

	.scene-grid { gap: 22px; }
	.scene-img { height: 170px; }
	.scene-content { padding: 20px 20px 24px; }

	.tech-list { gap: 18px; }
	.tech-list li { padding: 24px 22px 22px; }
	.tech-list-title { font-size: 16px; }

	.ask-grid { gap: 18px; }
	.ask-card { padding: 22px 20px; }

	.convert-section { padding: 70px 0; }
	.convert-section h2 { font-size: 32px; }
}

/* ==================== 1280px ==================== */
@media (max-width: 1280px) {
	.banner { padding: 110px 0 72px; }
	.banner_bt { width: 520px; }
	.banner h1 { font-size: 26px; margin-bottom: 20px; }
	.banner p { font-size: 14px; max-width: 680px; margin-bottom: 36px; }
	.banner-btn-wrap a { padding: 14px 36px; font-size: 16px; }

	.section-title { font-size: 25px; }
	.section-subtitle { font-size: 15px; }

	.pain-section,
	.advantage-section,
	.product-section,
	.scene-section,
	.tech-section,
	.compare-section { padding: 56px 0; }

	.pain-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
	.pain-item { padding: 24px 20px; }
	.pain-item h3 { font-size: 17px; }
	.pain-item p { font-size: 14px; }

	.adv-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
	.adv-card { padding: 26px 22px 24px;}
	.adv-icon { width: 54px; height: 54px; font-size: 26px; border-radius: 14px; margin-bottom: 16px; }
	.adv-icon svg { width: 28px; height: 28px; }
	.adv-card h3 { font-size: 17.5px; margin-bottom: 12px; }
	.adv-card p { font-size: 14px; line-height: 1.7; }

	.prod-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
	.prod-body { padding: 22px 20px 26px; }
	.prod-head { font-size: 18px; padding: 16px; }

	.param-table th,
	.param-table td { padding: 14px 12px; font-size: 14px; }
	.param-table td a h3 { font-size: 14px; }

	.compare-table th,
	.compare-table td { padding: 16px 16px; font-size: 14px; }
	.compare-table { min-width: 700px; }

	.scene-subtitle { font-size: 22px; margin-bottom: 28px; }
	.scene-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 48px; }
	.scene-img { height: 150px; font-size: 42px; }
	.scene-icon { font-size: 46px; }
	.scene-content { padding: 18px 16px 20px; }
	.scene-content h4 { font-size: 16.5px; }
	.scene-content p { font-size: 13.5px; line-height: 1.65; }
	.scene-tip { font-size: 14px; padding: 16px 20px; margin-top: 30px; }

	.tech-list { gap: 16px; }
	.tech-list li { padding: 20px 18px; gap: 16px; }
	.tech-list-icon { width: 44px; height: 44px; font-size: 18px; }
	.tech-list-title { font-size: 15.5px; }
	.tech-list-desc { font-size: 13.5px; }

	.ask-grid { gap: 16px; }
	.ask-card { padding: 20px 18px; }

	.convert-section { padding: 64px 0; }
	.convert-section h2 { font-size: 30px; }
	.convert-section p { font-size: 16px; margin-bottom: 32px; }
	.convert-btn { padding: 16px 46px; font-size: 17px; }
}

/* ==================== 900px ==================== */
@media (max-width: 900px) {
	/* —— 新增适配规则 —— */
	.banner { padding: 100px 0 70px; }
	.banner_bt { width: auto; max-width: 100%; }
	.banner h1 { font-size: 24px; margin-bottom: 18px; }
	.banner p { font-size: 14px; max-width: 100%; margin-bottom: 30px; line-height: 1.7; }
	.banner-btn-wrap { gap: 14px; }
	.banner-btn-wrap a { padding: 13px 30px; font-size: 15px; }

	.section-title { font-size: 23px; }
	.section-subtitle { font-size: 14px; }
	.section-header { margin-bottom: 34px; }

	.pain-section,
	.advantage-section,
	.product-section,
	.scene-section,
	.tech-section,
	.compare-section { padding: 46px 0; }
	.compare-section { margin-top: 26px; }

	.pain-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
	.pain-item { padding: 22px 18px;}
	.pain-item h3 { font-size: 16px; margin-bottom: 10px; }
	.pain-item p { font-size: 13.5px; line-height: 1.6; }

	.adv-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
	.adv-card { padding: 22px 18px; }
	.adv-card h3 { font-size: 16px; }
	.adv-card p { font-size: 13.5px; line-height: 1.65; }

	.prod-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
	.prod-body { padding: 20px 18px 22px; }

	.param-wrap { margin-top: 36px; }
	.param-table { min-width: 640px; font-size: 13.5px; }
	.param-table th,
	.param-table td { padding: 12px 10px; }
	.param-table td a h3 { font-size: 13px; }

	.compare-table { min-width: 660px; }
	.compare-table th,
	.compare-table td { padding: 13px 14px; font-size: 13.5px; }

	.scene-subtitle { font-size: 19px; margin-bottom: 22px; padding-left: 12px; border-left-width: 4px; }
	.scene-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 36px; }
	.scene-img { height: 130px; font-size: 36px; }
	.scene-icon { font-size: 40px; }
	.scene-content { padding: 16px 14px 18px; }
	.scene-content h4 { font-size: 15px; margin-bottom: 8px; }
	.scene-content p { font-size: 13px; line-height: 1.6; }
	.scene-tip,
	.tip-text { font-size: 13.5px; padding: 16px 18px; margin-top: 26px; }

	.tech-list { grid-template-columns: repeat(1, 1fr); gap: 14px; }
	.tech-list li { padding: 16px; gap: 14px; }
	.tech-list-title { font-size: 15px; }
	.tech-list-desc { font-size: 13px; line-height: 1.6; }
	.tip-text { line-height: 1.6; font-size: 13px; }
	.dh3 div { font-size: 20px; margin-bottom: 8px; }
	.dh3 ul { margin-top: 12px; }

	.ask-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
	#ask { padding: 56px 0; }
	.ask-card { padding: 20px 18px; }
	.ask-card h4 { font-size: 14.5px; }
	.ask-card p { font-size: 12.5px; }

	.convert-section { padding: 56px 0; }
	.convert-section h2 { font-size: 24px; }
	.convert-section p { font-size: 14.5px; margin-bottom: 28px; }
	.convert-btn { padding: 15px 40px; font-size: 16px; }

	.title-block { margin-bottom: 20px; }
	.title-block p { font-size: 12px; }

	/* —— 原 900px 补充规则（保留原有行为） —— */
	.banner h1 { font-size: 32px; }
	.banner p { font-size: 16px; }
	.ask-grid { grid-template-columns: repeat(2, 1fr); }
	.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; }
	.tip-text { line-height: 1.55; font-size: 12px; }
	.dh3 div { font-size: 20px; margin-bottom: 0; }
	.dh3 ul { margin-top: 10px; }
	.convert-section h2 { font-size: 28px; }
	.compare-table th,
	.compare-table td { padding: 12px; font-size: 13px; }
	.scene-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
	.adv-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
	.title-block { margin-bottom: 20px; }
}

/* ==================== 768px ==================== */
@media (max-width: 768px) {
	.ask-grid { grid-template-columns: 1fr; }
	.ask-card { padding: 20px 18px; }

	.banner {
		padding: 80px 0 65%;
		background: url(/template/pc/skin/css/../images/rotary_phone.jpg) no-repeat bottom !important;
		background-size: cover !important;
	}

	.banner_bt { width: auto; }

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

	.banner p {
		font-size: 13px;
		padding: 0;
		margin-bottom: 30px;
	}

	.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,
	.compare-section,
	.scene-section,
	.tech-section,
	.faq-section,
	.convert-section {
		padding: 30px 0;
	}

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

	.convert-section h2 { font-size: 15px; }

	.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; }

	/* 场景卡片移动端 */
	.scene-subtitle { font-size: 18px; margin-bottom: 20px; }

	.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; }
	.scene-tip { font-size: 14px; padding: 16px 18px; }

	/* FAQ 移动端适配 */
	.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: 14px; }

	/* 模态框移动端补充 */
	.modal-box { padding: 32px 24px 28px; border-radius: 26px; }
	.modal-box .szym { gap: 20px; grid-template-columns: 1fr 0.6fr; }
}

/* ==================== 480px ==================== */
@media (max-width: 480px) {
	/* 模态框 */
	.modal-box { padding: 28px 20px 28px; }
	.modal-box h3 { font-size: 20px; }

	/* 页面元素 */
	.banner h1 { font-size: 15px; }

	.adv-card h3 { font-size: 15px; }

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

	.param-table th { font-size: 13px; }
	.param-table td a h3 { font-size: 12px; }

	.param-table th,
	.param-table td {
		font-size: 12px;
		padding: 12px;
	}

	.adv-card { padding: 15px; }
	.adv-card p { font-size: 12px; line-height: 1.4; }

	.pain-item { padding: 15px; }

	.pain-item h3 { font-size: 15px; margin-bottom: 10px; }
	.pain-item p { font-size: 12px; line-height: 1.4; }

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

	.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; }
}