:root {
	--primary: #3b82f6;
}

/* ========== 分类导航 (锚点导航) ========== */
.category-section {
	padding: 20px 0 0 0;
	border-bottom: 1px solid rgba(0, 0, 0, 0.06);
	position: sticky;
	top: 0;
	background: #fff;
	z-index: 100;
}

.category-list {
	display: flex;
	justify-content: center;
	gap: 200px;
	flex-wrap: wrap;
}

.category-item {
	font-size: 17px;
	font-weight: 500;
	color: var(--fg-muted);
	cursor: pointer;
	padding: 12px 0;
	position: relative;
	transition: all 0.3s ease;
	text-decoration: none;
}

.category-item::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 0;
	height: 3px;
	background: linear-gradient(90deg, var(--blue), var(--purple));
	border-radius: 2px;
	transition: width 0.3s ease;
}

.category-item:hover,
.category-item.active {
	color: var(--primary);
}

.category-item:hover::after,
.category-item.active::after {
	width: 100%;
}

/* ========== 客户概述 ========== */
.overview-content {
	max-width: 1200px;
	margin: 0 auto;
	text-align: center;
}

.overview-text {
	font-size: 17px;
	color: var(--fg-muted);
	line-height: 2.2;
	text-align: justify;
	text-indent: 2em;
	text-align: center;
}

/* ========== 业务挑战 (3-4列，青蓝色调) ========== */
.challenge-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 24px;
}

@media (min-width: 1400px) {
	.challenge-grid {
		grid-template-columns: repeat(4, 1fr);
	}
}

.challenge-card {
	background: #fff;
	border-radius: 12px;
	padding: 24px;
	border: 1px solid rgba(59, 130, 246, 0.15);
	/* 主色调边框 */
	transition: all 0.3s ease;
	position: relative;
	overflow: hidden;
	z-index: 6;
}

.challenge-card:hover {
	transform: translateY(-4px);
	box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
	border-color: rgba(59, 130, 246, 0.2);
}

.challenge-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 3px;
	background: linear-gradient(90deg, var(--cyan), var(--blue));
	/* 青蓝渐变 */
	opacity: 0;
	transition: opacity 0.3s;
}

.challenge-card:hover::before {
	opacity: 1;
}

.challenge-header {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 12px;
}

.challenge-icon {
	width: 32px;
	height: 32px;
	background: linear-gradient(135deg, rgba(0, 180, 160, 0.1), rgba(59, 130, 246, 0.1));
	border-radius: 8px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--blue);
	flex-shrink: 0;
	overflow: hidden;
}

.challenge-icon img {
	width: 100%;
	height: 100%;
}

.challenge-title {
	font-size: 18px;
	font-weight: 600;
	color: var(--fg);
}

.challenge-desc {
	font-size: 15px;
	color: var(--fg-muted);
	line-height: 1.7;
}

/* ========== 解决方案 (2列宽敞) ========== */
.solution-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 30px;
}

.solution-card {
	background: #fff;
	border-radius: 20px;
	padding: 36px 32px;
	border: 1px solid rgba(59, 130, 246, 0.15);
	transition: all 0.4s ease;
	position: relative;
	overflow: hidden;
	z-index: 6;
}

.solution-card::after {
	content: '';
	position: absolute;
	bottom: -30px;
	right: -30px;
	width: 120px;
	height: 120px;
	background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
	pointer-events: none;
}

.solution-card:hover {
	border-color: rgba(59, 130, 246, 0.15);
	box-shadow: 0 20px 50px rgba(59, 130, 246, 0.08);
	transform: translateY(-6px);
}

.solution-header {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-bottom: 18px;
}

.solution-icon {
	width: 44px;
	height: 44px;
	background: linear-gradient(135deg, rgba(0, 180, 160, 0.1), rgba(59, 130, 246, 0.1));
	border-radius: 12px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	overflow: hidden;
}

.solution-icon img {
	width: 100%;
	height: 100%;
}

.solution-title {
	font-size: 18px;
	font-weight: 600;
	color: var(--fg);
}

.solution-desc {
	font-size: 15px;
	color: var(--fg-muted);
	line-height: 1.9;
	position: relative;
	z-index: 10;
}

/* ========== 项目价值 (修改为3列等宽，统一风格) ========== */
.value-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}

.value-card {
	background: #fff;
	border-radius: 16px;
	padding: 32px;
	border: 1px solid rgba(59, 130, 246, 0.08);
	text-align: center;
	transition: all 0.3s ease;
	position: relative;
}

.value-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: linear-gradient(90deg, var(--blue), var(--purple));
	border-radius: 16px 16px 0 0;
	opacity: 0;
	transition: opacity 0.3s;
}

.value-card:hover {
	border-color: rgba(59, 130, 246, 0.15);
	box-shadow: 0 15px 40px rgba(59, 130, 246, 0.08);
	transform: translateY(-4px);
}

.value-card:hover::before {
	opacity: 1;
}

.value-icon {
	width: 56px;
	height: 56px;
	background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(124, 58, 237, 0.1));
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--blue);
}

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

.value-title {
	font-size: 18px;
	font-weight: 600;
	color: var(--fg);
	margin-bottom: 10px;
}

.value-desc {
	font-size: 14px;
	color: var(--fg-muted);
	line-height: 1.8;
}

/* ========== 应用成效 (深色背景) ========== */


.result-item {
	text-align: center;
	padding: 20px 0;
	background: rgba(59, 130, 246, 0.03);
	/* 增加一点卡片背景感 */
	border-radius: 16px;
	border: 1px solid rgba(59, 130, 246, 0.05);
}

.result-num {
	font-size: 48px;
	/* 稍微缩小一点适配浅色背景 */
	font-weight: 800;
	background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	margin-bottom: 8px;
	font-family: 'DIN Alternate', sans-serif;
	line-height: 1.1;
}

.result-unit {
	font-size: 20px;
}

.result-label {
	font-size: 15px;
	color: var(--fg-muted);
	/* 改为深色文字 */
	font-weight: 500;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {

	.solution-grid,
	.value-grid {
		grid-template-columns: 1fr;
		max-width: 800px;
		margin: 0 auto;
	}

	.result-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 30px;
	}
}

@media (max-width: 768px) {
	.container {
		padding: 0 20px;
	}

	.banner-title {
		font-size: 32px;
	}

	.challenge-grid,
	.result-grid {
		grid-template-columns: 1fr;
	}
}

/* ========== 项目价值 (修改为图标标题同行，简介左对齐) ========== */
.value-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}

.value-card {
	background: #fff;
	border-radius: 16px;
	padding: 32px;
	border: 1px solid rgba(59, 130, 246, 0.15);
	text-align: left;
	overflow: hidden;
	/* 改为左对齐 */
	transition: all 0.3s ease;
	position: relative;
	z-index: 6;
}

.value-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: linear-gradient(90deg, var(--blue), var(--purple));
	border-radius: 16px 16px 0 0;
	opacity: 0;
	transition: opacity 0.3s;
}

.value-card:hover {
	border-color: rgba(59, 130, 246, 0.15);
	box-shadow: 0 15px 40px rgba(59, 130, 246, 0.08);
	transform: translateY(-4px);
}

.value-card:hover::before {
	opacity: 1;
}

/* 新增：图标和标题的容器，使用flex布局使其同行 */
.value-header {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-bottom: 16px;
}

.value-icon {
	width: 48px;
	/* 稍微缩小一点 */
	height: 48px;
	background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(124, 58, 237, 0.1));
	border-radius: 12px;
	/* 改为圆角矩形 */
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--blue);
	flex-shrink: 0;
	overflow: hidden;
}

.value-icon img {
	width: 100%;
	height: 100%;
}

.value-title {
	font-size: 18px;
	font-weight: 600;
	color: var(--fg);
	margin-bottom: 0;
	/* 清除底部间距 */
}

.value-desc {
	font-size: 14px;
	color: var(--fg-muted);
	line-height: 1.8;
	padding-left: 0;
	/* 无需缩进 */
}



/* ========== 应用成效 (卡片美化) ========== */
.result-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
	/* 缩小间距让卡片更紧凑 */
	width: 1600px;
	margin: 0 auto;
}

.timeline-tech-deco {
	position: absolute;
	top: 0;
	left: 50%;
	right: 20px;
	height: 6px;
	background: linear-gradient(90deg, var(--blue), var(--purple));
	clip-path: polygon(0 0, 100% 0, 95% 100%, 5% 100%);
	opacity: 0.8;
	width: 50%;
	transform: translate(-50%, 0%);
	-webkit-transform: translate(-50%, 0%);
}

.timeline-card.bottom-card .timeline-tech-deco {
	background: linear-gradient(90deg, var(--purple), var(--cyan));
}

.result-item {
	text-align: center;
	padding: 40px 20px;
	background: linear-gradient(180deg, #ffffff 0%, #ffffff 100%);
	border-radius: 10px;
	border: 1px solid rgba(59, 130, 246, 0.08);
	position: relative;
	transition: all 0.4s ease;
	overflow: hidden;
	box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
	position: relative;
}

/* 增加装饰性背景圆 */

.result-item::after {
	top: 0;
	right: 0;
	border-top: 2px solid var(--blue);
	border-right: 2px solid var(--blue);
	border-top-right-radius: 8px;
}

.result-item::before {
	top: 0;
	left: 0;
	border-top: 2px solid var(--blue);
	border-left: 2px solid var(--blue);
	border-top-left-radius: 8px;
}

.result-item::before,
.result-item::after {
	content: '';
	position: absolute;
	width: 20px;
	height: 20px;
	transition: all 0.3s ease;
	pointer-events: none;
}

.timeline-card-inner {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 20px;
	pointer-events: none;
}

.timeline-card-inner::before {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 20px;
	height: 20px;
	border-bottom: 2px solid var(--blue);
	border-left: 2px solid var(--blue);
	border-bottom-left-radius: 8px;
}

.timeline-card-inner::after {
	content: '';
	position: absolute;
	bottom: 0;
	right: 0;
	width: 20px;
	height: 20px;
	border-bottom: 2px solid var(--blue);
	border-right: 2px solid var(--blue);
	border-bottom-right-radius: 8px;
}

.timeline-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 15px 30px rgba(59, 130, 246, 0.15);
}

/* Hover时边框变色 */
.timeline-card:hover::before,
.timeline-card:hover::after,
.timeline-card:hover .timeline-card-inner::before,
.timeline-card:hover .timeline-card-inner::after {
	border-color: var(--cyan);
	width: 24px;
	height: 24px;
}

.result-item:hover {
	transform: translateY(-8px);
	box-shadow: 0 20px 40px rgba(59, 130, 246, 0.12);
	border-color: rgba(59, 130, 246, 0.2);
}

.result-item:hover::before {
	transform: scale(1.2);
}

.result-num {
	font-size: 52px;
	font-weight: 800;
	background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	margin-bottom: 10px;
	line-height: 1.1;
	position: relative;
	z-index: 1;
}

.result-unit {
	font-size: 24px;
}

.result-label {
	font-size: 15px;
	color: var(--fg-muted);
	font-weight: 500;
	position: relative;
	z-index: 1;
}

/* ========== 响应式调整 ========== */
@media (max-width: 1024px) {

	.solution-grid,
	.value-grid {
		grid-template-columns: 1fr;
		max-width: 800px;
		margin: 0 auto;
	}

	.result-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 20px;
	}
}

/* ========== Banner ========== */
.banner {
	height: 360px;
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
}

.banner-bg {
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
	/* 无图片时的背景 */
}

.banner-bg img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	opacity: 0.6;
}

.banner-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, rgba(10, 15, 26, 0.75) 0%, rgba(13, 21, 37, 0.6) 50%, rgba(10, 16, 32, 0.7) 100%);
}

.banner-content {
	position: relative;
	z-index: 10;
	text-align: center;
}

.badge-enterprise {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	background: rgba(0, 180, 160, 0.15);
	border: 1px solid rgba(0, 180, 160, 0.3);
	color: var(--cyan);
	padding: 8px 20px;
	border-radius: 30px;
	font-size: 14px;
	font-weight: 600;
	margin-bottom: 20px;
	backdrop-filter: blur(5px);
}

.banner-title {
	font-size: 48px;
	font-weight: 700;
	background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 50%, var(--purple) 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	margin-bottom: 10px;
	text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.banner-subtitle {
	font-size: 14px;
	color: rgba(255, 255, 255, 0.7);
	letter-spacing: 3px;
	text-transform: uppercase;
}

@media (max-width: 768px) {
	.container {
		padding: 0 10px;
		width: 97%;
	}

	.result-grid {
		width: 97%;
	}

	.challenge-grid,
	.solution-grid {
		gap: 15px;
	}

	.solution-card,
	.challenge-card,
	.value-card {
		padding: 20px;
	}

	.category-section {
		padding: 0;
	}

	.solution-desc,
	.challenge-desc,
	.overview-text {
		font-size: 14px;
		line-height: 2;
	}

	.category-list {
		gap: 0px;
		display: -webkit-box;
		overflow-x: scroll;
	}

	.category-item {
		font-size: 14px;
		margin: 0 15px;
		display: block;
	}

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

	.challenge-grid,
	.result-grid {
		grid-template-columns: -1fr;
	}

	.result-item {
		padding: 20px 15px;
	}

	.banner {
		height: 220px;
	}

	.result-num {
		font-size: 32px;
	}
}