:root {
	--primary-color: #004ea2;
	--primary-light: #2c80ff;
	--primary-dark: #003b7a;
	--secondary-color: #1f2833;
	--light-bg: #f8fafc;
	--dark-bg: #111827;
	--text-dark: #1f2937;
	--text-medium: #4b5563;
	--border-color: #e5e7eb;
	--module-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
	--gradient-main: linear-gradient(135deg, #004ea2 0%, #2c80ff 100%);
	--gradient-icon: linear-gradient(135deg, #004ea2 0%, #25c9cb 100%);
	--gradient-tech: linear-gradient(135deg, #1a2980 0%, #26d0ce 100%);
	--gradient-dark: linear-gradient(rgba(17, 24, 39, 0.85), rgba(17, 24, 39, 0.92));
	--hover-shadow: 0 8px 24px rgba(0, 78, 162, 0.15);
	--tech-glow: 0 0 15px rgba(44, 128, 255, 0.3);
	--aigc-gradient: linear-gradient(135deg, #ff4d6d 0%, #ff7b4e 50%, #457b9d 100%);
	--design-gradient: linear-gradient(135deg, #ff4d6d 0%, #ff7b4e 100%);
	--visual-gradient: linear-gradient(135deg, #457b9d 0%, #1a2980 100%);
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
}

body {
	color: var(--text-dark);
	background-color: var(--light-bg);
	line-height: 1.6;
	scroll-behavior: smooth;
}

a {
	text-decoration: none;
	color: inherit;
}

ul {
	list-style: none;
}

.container {
	width: 1152px;
	margin: 0 auto;
	padding: 0 15px;
}

/* 导航栏样式 */
.header-nav {
	background-color: #ffffff;
	border-bottom: 1px solid var(--border-color);
	box-shadow: var(--module-shadow);
	position: sticky;
	top: 0;
	z-index: 999;
}

.nav-content {
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 70px;
}

.logo {
	display: flex;
	align-items: center;
	gap: 10px;
}

.logo-img {
	width: 160px;
	height: 54px;
	object-fit: contain;
}

.nav-menu {
	display: flex;
	gap: 35px;
	align-items: center;
}

.nav-item {
	font-size: 15px;
	font-weight: 500;
	color: var(--text-dark);
	transition: color 0.3s;
	cursor: pointer;
	position: relative;
	padding: 20px 0;
}

.nav-item.active {
	color: #004ea2 !important;
	font-weight: 500 !important;
}

.nav-item:hover {
	color: var(--primary-color);
}

.nav-item.has-dropdown {
	padding-right: 15px;
}

.nav-item.has-dropdown::after {
	content: "\f078";
	font-family: "Font Awesome 6 Free";
	font-weight: 600;
	font-size: 10px;
	position: absolute;
	right: 0;
	top: 50%;
	transform: translateY(-50%);
}

.dropdown-menu {
	position: absolute;
	top: 100%;
	left: 0;
	background-color: white;
	min-width: 250px;
	border-radius: 6px;
	box-shadow: var(--module-shadow);
	border: 1px solid var(--border-color);
	padding: 8px 0;
	display: none;
	z-index: 9999;
}

.nav-item.has-dropdown:hover .dropdown-menu {
	display: block;
}

.dropdown-menu:hover {
	display: block;
}

.dropdown-menu li a {
	display: block;
	padding: 12px 20px;
	font-size: 14px;
	color: var(--text-dark);
	transition: all 0.3s;
}

.dropdown-menu li a:hover {
	background-color: var(--light-bg);
	color: var(--primary-color);
	padding-left: 24px;
}

/* 右侧功能区 */
.nav-right {
	display: flex;
	align-items: center;
	gap: 25px;
	font-size: 15px;
	font-weight: 500;
}

.contact-phone {
	background: var(--gradient-main);
	color: white;
	padding: 10px 20px;
	border-radius: 30px;
	font-weight: 600;
	display: flex;
	align-items: center;
	gap: 8px;
	transition: all 0.3s ease;
	box-shadow: 0 4px 12px rgba(0, 78, 162, 0.2);
	position: relative;
}

.contact-phone:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 18px rgba(0, 78, 162, 0.3);
	background: var(--primary-dark);
	color: white;
}

.qr-popup {
	position: absolute;
	top: 100%;
	right: 0;
	background: white;
	padding: 15px;
	border-radius: 8px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
	display: none;
	z-index: 1000;
	margin-top: 10px;
	width: 180px;
	text-align: center;
	border: 1px solid var(--border-color);
}

.qr-popup::before {
	content: '';
	position: absolute;
	bottom: 100%;
	right: 20px;
	border-width: 8px;
	border-style: solid;
	border-color: transparent transparent white transparent;
}

.contact-phone:hover .qr-popup {
	display: block;
}

.qr-popup img {
	width: 150px;
	height: 150px;
	margin-bottom: 8px;
	border-radius: 4px;
}

.qr-popup p {
	font-size: 12px;
	color: var(--text-medium);
	margin: 0;
}

/* 移动端导航切换按钮 */
.mobile-toggle {
	display: none;
	background: none;
	border: none;
	font-size: 24px;
	color: var(--text-dark);
	cursor: pointer;
}

/* 课程头部区域 */
.course-header {
	padding: 80px 0 60px;
	background: var(--aigc-gradient),
		radial-gradient(circle at 30% 20%, rgba(255, 77, 109, 0.4) 0%, transparent 50%),
		radial-gradient(circle at 70% 80%, rgba(69, 123, 157, 0.3) 0%, transparent 50%);
	color: white;
	text-align: center;
	margin-bottom: 40px;
	position: relative;
}

.course-header-title {
	font-size: 46px;
	margin-bottom: 20px;
	color: white;
	line-height: 1.2;
	font-weight: 800;
	max-width: 900px;
	margin-left: auto;
	margin-right: auto;
	position: relative;
	text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.course-header-subtitle {
	font-size: 20px;
	margin-bottom: 40px;
	opacity: 0.9;
	max-width: 800px;
	margin-left: auto;
	margin-right: auto;
	line-height: 1.7;
	font-weight: 300;
	letter-spacing: 0.5px;
}

.course-highlights {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 30px;
	margin-bottom: 50px;
}

.highlight-item {
	text-align: center;
	padding: 20px;
	min-width: 160px;
	background: rgba(255, 255, 255, 0.15);
	border-radius: 12px;
	backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.2);
}

.highlight-icon {
	font-size: 28px;
	margin-bottom: 10px;
	color: white;
}

.highlight-number {
	font-size: 32px;
	font-weight: 800;
	color: white;
	margin-bottom: 5px;
	line-height: 1;
}

.highlight-label {
	font-size: 14px;
	opacity: 0.9;
	font-weight: 500;
}

.course-cta {
	display: flex;
	justify-content: center;
	gap: 20px;
	flex-wrap: wrap;
}

.btn-primary,
.btn-outline {
	padding: 14px 32px;
	border-radius: 50px;
	font-weight: 600;
	font-size: 16px;
	cursor: pointer;
	transition: all 0.3s;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	border: none;
}

.btn-primary {
	background: white;
	color: #ff4d6d;
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
	transform: translateY(-3px);
	box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

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

.btn-outline:hover {
	background: rgba(255, 255, 255, 0.1);
	transform: translateY(-3px);
}

/* 课程概述区域 */
.course-overview {
	padding: 80px 0;
	background-color: white;
}

.section-title {
	font-size: 36px;
	font-weight: 700;
	color: var(--secondary-color);
	margin-bottom: 20px;
	text-align: center;
	position: relative;
	padding-bottom: 20px;
}

.section-title::after {
	content: "";
	display: block;
	width: 80px;
	height: 4px;
	background: var(--design-gradient);
	margin: 10px auto 0;
	border-radius: 2px;
}

.section-subtitle {
	font-size: 18px;
	color: var(--text-medium);
	margin-bottom: 60px;
	max-width: 800px;
	margin-left: auto;
	margin-right: auto;
	text-align: center;
	line-height: 1.7;
}

.overview-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 30px;
	margin-bottom: 60px;
}

.overview-card {
	background: var(--light-bg);
	border-radius: 16px;
	padding: 35px 30px;
	border: 1px solid var(--border-color);
	transition: all 0.4s ease;
	position: relative;
	overflow: hidden;
}

.overview-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: var(--design-gradient);
}

.overview-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 20px 40px rgba(255, 77, 109, 0.15);
}

.overview-card h3 {
	font-size: 22px;
	font-weight: 700;
	color: var(--primary-dark);
	margin-bottom: 15px;
	display: flex;
	align-items: center;
	gap: 12px;
}

.overview-card h3 i {
	font-size: 24px;
	color: #ff4d6d;
}

.overview-card p {
	color: var(--text-dark);
	line-height: 1.8;
	font-size: 15px;
}

/* 视觉设计特色部分 */
.visual-design {
	padding: 80px 0;
	background-color: white;
}

.design-elements {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 40px;
	margin-top: 40px;
}

.design-element {
	background: var(--light-bg);
	border-radius: 16px;
	padding: 30px;
	border: 1px solid var(--border-color);
}

.design-element h3 {
	font-size: 20px;
	font-weight: 700;
	color: var(--primary-dark);
	margin-bottom: 20px;
	display: flex;
	align-items: center;
	gap: 10px;
}

.design-element h3 i {
	color: #ff4d6d;
}

.color-palette {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin-top: 15px;
}

.color-box {
	width: 60px;
	height: 60px;
	border-radius: 8px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	font-weight: 600;
	font-size: 12px;
}

.color-box.red {
	background-color: #ff4d6d;
}

.color-box.orange {
	background-color: #ff7b4e;
}

.color-box.yellow {
	background-color: #ffd166;
}

.color-box.blue {
	background-color: #457b9d;
}

.color-box.white {
	background-color: white;
	border: 1px solid #ddd;
	color: #333;
}

.color-box.black {
	background-color: black;
}

.color-box.gray {
	background-color: #6c757d;
}

.font-list {
	display: flex;
	flex-direction: column;
	gap: 15px;
	margin-top: 15px;
}

.font-sample {
	padding: 10px 15px;
	border-radius: 8px;
	background: white;
	border: 1px solid var(--border-color);
}

.font-sample.kaiti {
	font-family: "楷体", "KaiTi", serif;
	font-size: 18px;
}

.font-sample.songti {
	font-family: "宋体", "SimSun", serif;
	font-size: 18px;
}

.font-sample.heiti {
	font-family: "黑体", "SimHei", sans-serif;
	font-size: 18px;
}

.icon-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 15px;
	margin-top: 15px;
}

.icon-box {
	width: 60px;
	height: 60px;
	background: #457b9d;
	color: white;
	border-radius: 8px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 24px;
	margin: 0 auto;
}

.icon-box.circle {
	border-radius: 50%;
	background-color: #ff4d6d;
}

.icon-box.square {
	background-color: #ff7b4e;
}

.icon-box.triangle {
	background-color: #ffd166;
	clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

.icon-box.rectangle {
	background-color: #457b9d;
	width: 80px;
}

/* 课程大纲区域 */
.course-syllabus {
	padding: 80px 0;
	background: linear-gradient(135deg, rgba(255, 77, 109, 0.02) 0%, rgba(255, 123, 78, 0.02) 50%, rgba(69, 123, 157, 0.02) 100%);
}

.syllabus-tabs {
	display: flex;
	justify-content: center;
	gap: 10px;
	margin-bottom: 50px;
	flex-wrap: wrap;
}

.tab-btn {
	padding: 12px 28px;
	background: white;
	border: 2px solid var(--border-color);
	border-radius: 30px;
	font-weight: 600;
	font-size: 15px;
	cursor: pointer;
	transition: all 0.3s;
	color: var(--text-medium);
}

.tab-btn:hover {
	border-color: #ff4d6d;
	color: #ff4d6d;
}

.tab-btn.active {
	background: var(--design-gradient);
	border-color: transparent;
	color: white;
}

.syllabus-content {
	display: none;
}

.syllabus-content.active {
	display: block;
}

/* 大纲视图 - 阶段卡片 */
.syllabus-view {
	display: flex;
	flex-direction: column;
	gap: 25px;
}

.stage-card {
	background: white;
	border-radius: 12px;
	overflow: hidden;
	box-shadow: var(--module-shadow);
	border: 1px solid var(--border-color);
	transition: all 0.3s ease;
}

.stage-card:hover {
	box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.stage-header {
	background: var(--design-gradient);
	color: white;
	padding: 25px 30px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	cursor: pointer;
}

.stage-title {
	display: flex;
	align-items: center;
	gap: 15px;
	flex: 1;
}

.stage-number {
	width: 40px;
	height: 40px;
	background: rgba(255, 255, 255, 0.2);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 700;
	font-size: 18px;
}

.stage-name {
	font-size: 22px;
	font-weight: 600;
}

.stage-duration {
	font-size: 15px;
	opacity: 0.9;
	background: rgba(255, 255, 255, 0.1);
	padding: 6px 15px;
	border-radius: 20px;
	margin-right: 20px;
}

.stage-toggle {
	background: none;
	border: none;
	color: white;
	font-size: 22px;
	cursor: pointer;
	transition: transform 0.3s;
}

.stage-toggle.rotated {
	transform: rotate(180deg);
}

.stage-content {
	padding: 0;
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.5s ease, padding 0.5s ease;
}

.stage-content.expanded {
	padding: 35px 30px;
	max-height: 5000px;
}

.stage-info {
	background: rgba(255, 77, 109, 0.05);
	padding: 25px;
	border-radius: 10px;
	margin-bottom: 30px;
	border-left: 4px solid #ff4d6d;
}

.stage-info h4 {
	color: #ff4d6d;
	font-size: 18px;
	margin-bottom: 15px;
	font-weight: 700;
}

.stage-info p {
	color: var(--text-dark);
	line-height: 1.8;
	font-size: 15px;
}

.modules-container {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 25px;
}

.module-card {
	background: var(--light-bg);
	border-radius: 10px;
	padding: 25px;
	border: 1px solid var(--border-color);
	transition: all 0.3s ease;
}

.module-card:hover {
	border-color: #ff4d6d;
	background: white;
	transform: translateY(-5px);
	box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.module-card h4 {
	color: var(--primary-dark);
	font-size: 18px;
	margin-bottom: 15px;
	font-weight: 700;
	display: flex;
	align-items: center;
	gap: 10px;
}

.module-card h4 i {
	font-size: 20px;
	color: #ff4d6d;
}

.module-content {
	color: var(--text-dark);
	font-size: 14px;
	line-height: 1.7;
}

.module-content strong {
	color: var(--secondary-color);
	font-weight: 600;
}

.module-content ul {
	margin-top: 10px;
	padding-left: 20px;
}

.module-content li {
	margin-bottom: 8px;
	position: relative;
	padding-left: 5px;
}

/* 详细教学计划视图 */
.detailed-view {
	display: none;
}

.detailed-view.active {
	display: block;
}

.teaching-plan {
	background: white;
	border-radius: 12px;
	padding: 30px;
	box-shadow: var(--module-shadow);
	border: 1px solid var(--border-color);
}

.plan-table {
	width: 100%;
	border-collapse: collapse;
	margin-top: 20px;
}

.plan-table th {
	background: var(--design-gradient);
	color: white;
	padding: 16px;
	text-align: left;
	font-weight: 600;
	font-size: 15px;
}

.plan-table td {
	padding: 16px;
	border-bottom: 1px solid var(--border-color);
	font-size: 14px;
	color: var(--text-dark);
	vertical-align: top;
}

.plan-table tr:hover {
	background-color: rgba(255, 77, 109, 0.03);
}

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

/* 用户体验部分 */
.user-experience {
	padding: 80px 0;
	background: linear-gradient(135deg, rgba(69, 123, 157, 0.03) 0%, rgba(26, 41, 128, 0.03) 100%);
}

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

.ux-card {
	background: white;
	border-radius: 16px;
	padding: 35px 30px;
	border: 1px solid var(--border-color);
	transition: all 0.4s ease;
}

.ux-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 20px 40px rgba(69, 123, 157, 0.15);
	border-color: #457b9d;
}

.ux-card h3 {
	font-size: 20px;
	font-weight: 700;
	color: var(--primary-dark);
	margin-bottom: 15px;
	display: flex;
	align-items: center;
	gap: 12px;
}

.ux-card h3 i {
	color: #457b9d;
}

.ux-card ul {
	padding-left: 20px;
}

.ux-card li {
	margin-bottom: 10px;
	color: var(--text-medium);
	position: relative;
	padding-left: 5px;
}

/* 就业前景区域 */
.career-prospects {
	padding: 80px 0;
	background-color: white;
}

.prospects-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}

.prospect-card {
	background: var(--light-bg);
	border-radius: 16px;
	padding: 35px 30px;
	text-align: center;
	border: 1px solid var(--border-color);
	transition: all 0.4s ease;
	position: relative;
	overflow: hidden;
}

.prospect-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: var(--visual-gradient);
}

.prospect-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 20px 40px rgba(69, 123, 157, 0.15);
	border-color: #457b9d;
}

.prospect-icon {
	width: 70px;
	height: 70px;
	background: var(--visual-gradient);
	border-radius: 16px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	font-size: 28px;
	margin: 0 auto 20px;
	box-shadow: 0 10px 20px rgba(69, 123, 157, 0.2);
}

.prospect-title {
	font-size: 20px;
	font-weight: 700;
	color: var(--secondary-color);
	margin-bottom: 15px;
}

.prospect-desc {
	font-size: 15px;
	color: var(--text-medium);
	line-height: 1.7;
	margin-bottom: 20px;
}

.salary-range {
	display: inline-block;
	background: var(--design-gradient);
	color: white;
	padding: 6px 15px;
	border-radius: 20px;
	font-weight: 600;
	font-size: 14px;
	margin-top: 10px;
}

/* 课程特色区域 */
.course-features {
	padding: 80px 0;
	background: linear-gradient(135deg, rgba(255, 77, 109, 0.03) 0%, rgba(255, 123, 78, 0.03) 100%);
}

.features-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}

.feature-card {
	background: white;
	border-radius: 16px;
	padding: 35px 30px;
	text-align: center;
	border: 1px solid var(--border-color);
	transition: all 0.4s ease;
}

.feature-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 20px 40px rgba(255, 77, 109, 0.1);
	border-color: #ff4d6d;
}

.feature-icon {
	width: 70px;
	height: 70px;
	background: var(--design-gradient);
	border-radius: 16px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	font-size: 28px;
	margin: 0 auto 20px;
	box-shadow: 0 10px 20px rgba(255, 77, 109, 0.2);
}

.feature-title {
	font-size: 20px;
	font-weight: 700;
	color: var(--secondary-color);
	margin-bottom: 15px;
}

.feature-desc {
	font-size: 15px;
	color: var(--text-medium);
	line-height: 1.7;
}

/* 认证服务区域 */
.certification {
	padding: 80px 0;
	background-color: white;
}

.cert-content {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 40px;
	align-items: center;
}

.cert-info {
	padding: 30px;
	background: var(--light-bg);
	border-radius: 16px;
	border: 1px solid var(--border-color);
}

.cert-info h3 {
	color: var(--primary-dark);
	font-size: 24px;
	margin-bottom: 20px;
	font-weight: 700;
}

.cert-list {
	display: flex;
	flex-direction: column;
	gap: 15px;
}

.cert-item {
	padding: 15px;
	background: white;
	border-radius: 8px;
	border-left: 4px solid #457b9d;
}

.cert-item h4 {
	color: var(--primary-dark);
	font-size: 16px;
	margin-bottom: 5px;
	font-weight: 600;
}

.cert-item p {
	color: var(--text-medium);
	font-size: 14px;
}

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

.badge {
	background: white;
	padding: 25px;
	border-radius: 12px;
	text-align: center;
	box-shadow: var(--module-shadow);
	border: 1px solid var(--border-color);
	transition: all 0.3s ease;
}

.badge:hover {
	transform: translateY(-5px);
	box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.badge i {
	font-size: 40px;
	color: #457b9d;
	margin-bottom: 15px;
}

.badge h4 {
	color: var(--primary-dark);
	font-size: 18px;
	margin-bottom: 10px;
	font-weight: 600;
}

.badge p {
	color: var(--text-medium);
	font-size: 14px;
}

/* CTA区域 */
.course-cta-section {
	padding: 100px 0;
	background: var(--aigc-gradient),
		radial-gradient(circle at 30% 20%, rgba(255, 77, 109, 0.4) 0%, transparent 50%),
		radial-gradient(circle at 70% 80%, rgba(69, 123, 157, 0.3) 0%, transparent 50%);
	color: white;
	text-align: center;
}

.course-cta-section .section-title {
	color: white;
	text-align: center;
}

.course-cta-section .section-title::after {
	background: white;
	left: 50%;
	transform: translateX(-50%);
}

.course-cta-section .section-subtitle {
	color: rgba(255, 255, 255, 0.9);
	text-align: center;
	margin-left: auto;
	margin-right: auto;
}

.cta-buttons {
	display: flex;
	justify-content: center;
	gap: 25px;
	margin-top: 50px;
	flex-wrap: wrap;
}

.btn-light {
	background: white;
	color: #ff4d6d;
	padding: 16px 38px;
	border-radius: 50px;
	font-weight: 600;
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	transition: all 0.3s ease;
	box-shadow: 0 6px 20px rgba(255, 255, 255, 0.1);
	font-size: 16px;
}

.btn-light:hover {
	transform: translateY(-4px);
	box-shadow: 0 12px 30px rgba(255, 255, 255, 0.2);
	color: #ff4d6d;
}

.btn-light i,
.btn-primary i {
	margin-right: 10px;
	font-size: 18px;
}

/* 底部信息 - 参考首页的5列布局 */
.footer {
	background-color: var(--secondary-color);
	color: rgba(255, 255, 255, 0.8);
	padding: 50px 0 20px;
}

/* 新的5列布局 */
.footer-layout {
	display: grid;
	grid-template-columns: 1.2fr 1fr 1fr 1.5fr 1fr;
	gap: 30px;
	margin-bottom: 30px;
	padding-bottom: 30px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col {
	/* 每列自动分配宽度 */
}

.footer-logo {
	font-size: 20px;
	font-weight: 700;
	color: white;
	display: flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 15px;
}

.footer-desc {
	font-size: 13px;
	line-height: 1.7;
	margin-bottom: 20px;
}

.footer-contact {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 13px;
	margin-bottom: 10px;
}

.footer-title {
	font-size: 16px;
	font-weight: 600;
	color: white;
	margin-bottom: 15px;
}

.footer-list li {
	font-size: 13px;
	margin-bottom: 8px;
	cursor: pointer;
	transition: color 0.3s;
}

.footer-list li:hover {
	color: var(--primary-color);
}

/* 咨询热线列样式 */
.contact-column {
	display: flex;
	flex-direction: column;
}

.hotline-box {
	background: rgba(255, 255, 255, 0.05);
	padding: 15px;
	border-radius: 8px;
	margin-top: 10px;
	border: 1px solid rgba(255, 255, 255, 0.1);
}

.hotline-number {
	font-size: 18px;
	font-weight: 600;
	color: white;
	margin: 10px 0;
	display: flex;
	align-items: center;
	gap: 10px;
}

.hotline-number i {
	color: var(--primary-light);
}

/* 二维码样式 - 放在最右侧 */
.qr-column {
	text-align: center;
}

.qr-code {
	margin-top: 0;
	text-align: center;
}

.qr-code img {
	width: 120px;
	height: 120px;
	border-radius: 8px;
	background: white;
	padding: 8px;
}

.qr-code p {
	font-size: 12px;
	margin-top: 8px;
	color: rgba(255, 255, 255, 0.7);
}

.copyright {
	text-align: center;
	font-size: 13px;
	color: rgba(255, 255, 255, 0.7);
	/* 移除一条线 */
	border-top: none;
}

/* 响应式适配 */
@media (max-width: 1200px) {
	.container {
		width: 95%;
	}

	.overview-grid,
	.prospects-grid,
	.features-grid,
	.design-elements,
	.ux-grid,
	.cert-content {
		grid-template-columns: 1fr;
	}

	.modules-container {
		grid-template-columns: 1fr;
	}

	.footer-layout {
		grid-template-columns: repeat(3, 1fr);
		gap: 20px;
	}

	.course-header-title {
		font-size: 38px;
	}
}

@media (max-width: 768px) {

	/* 移动端导航样式 */
	.mobile-toggle {
		display: block;
	}

	.nav-menu {
		position: fixed;
		top: 70px;
		left: -100%;
		width: 100%;
		height: calc(100vh - 70px);
		background: white;
		flex-direction: column;
		align-items: flex-start;
		padding: 30px;
		transition: left 0.3s ease;
		box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
		overflow-y: auto;
		z-index: 998;
		gap: 0;
	}

	.nav-menu.active {
		left: 0;
	}

	.nav-item {
		margin: 0 0 15px 0;
		width: 100%;
		padding: 10px 0;
	}

	.dropdown-menu {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		box-shadow: none;
		border: none;
		padding-left: 20px;
		display: none;
		margin-top: 10px;
	}

	.nav-item.has-dropdown:hover .dropdown-menu,
	.nav-item.has-dropdown.active .dropdown-menu {
		display: block;
	}

	.nav-item.has-dropdown::after {
		right: 20px;
	}

	.course-header {
		padding: 60px 0 40px;
	}

	.course-header-title {
		font-size: 32px;
	}

	.course-header-subtitle {
		font-size: 18px;
	}

	.prospects-grid,
	.features-grid {
		grid-template-columns: 1fr;
	}

	.cta-buttons {
		flex-direction: column;
		align-items: center;
	}

	.btn-light,
	.btn-primary,
	.btn-outline {
		width: 100%;
		max-width: 300px;
		justify-content: center;
	}

	.stage-header {
		flex-direction: column;
		align-items: flex-start;
		gap: 15px;
		padding: 20px;
	}

	.stage-header-right {
		width: 100%;
		display: flex;
		justify-content: space-between;
		align-items: center;
	}

	.stage-duration {
		margin-right: 0;
	}

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

	.nav-right {
		display: none;
	}

	.icon-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.cert-badges {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 576px) {
	.course-header-title {
		font-size: 28px;
	}

	.course-header-subtitle {
		font-size: 16px;
	}

	.highlight-item {
		min-width: calc(50% - 15px);
	}

	.syllabus-tabs {
		flex-direction: column;
		align-items: center;
	}

	.tab-btn {
		width: 100%;
		max-width: 250px;
	}

	.footer-layout {
		grid-template-columns: 1fr;
		gap: 30px;
	}

	.section-title {
		font-size: 28px;
	}
}