/* 全局样式重置 */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "Microsoft Yahei", "PingFang SC", sans-serif;

}

body {
	background: url('../img/bei.png') no-repeat;
	/* 关键新增：让背景图完整显示 */
	background-size: cover;
	/* 覆盖整个容器，保持比例 */
	background-position: center center;
	/* 背景图居中显示 */
}

/* 顶部导航栏样式 */
.header-nav {
	background-color: #F5FAFE;
	/* 主蓝色 */
	padding: 15px 50px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	position: relative;
	position: sticky;
	/* 粘性定位，滚动时固定在顶部 */
	top: 0;
	/* 距离顶部0像素时固定 */
	z-index: 999;
	/* 确保导航栏在其他内容上方 */
	background-color: #ffffff;
	/* 必须设置背景色，避免透传下方内容 */
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
	/* 可选：添加阴影增强视觉层级 */
	padding: 16px 24px;
	/* 可选：内边距，让导航更美观 */
	/* 新增：为移动端菜单定位做准备 */
}

.logo {
	width: 120px;
	height: auto;
}

/* 桌面端导航菜单 */
.nav-menu {
	display: flex;
	list-style: none;
	gap: 30px;
}

.nav-menu li a {
	color: #000;
	text-decoration: none;
	font-size: 14px;
	transition: color 0.3s;
}

.nav-menu li a:hover {
	color: #0052d9;
}

.nav-menu li a.active {
	color: #0052d9;
	font-weight: bold;
}

.nav-right {
	display: flex;
	align-items: center;
	gap: 20px;
}

/* ========== 新增：语言切换器样式 ========== */
.lang-switch {
	position: relative;
	color: #000;
	font-size: 14px;
	cursor: pointer;
	width: 80px;
}

.lang-select {
	width: 100%;
	padding: 8px 10px;
	background-color: rgba(255, 255, 255, 0.1);
	color: #000;
	border: 1px solid rgba(13, 13, 13, 0.2);
	border-radius: 4px;
	font-size: 14px;
	cursor: pointer;
	appearance: none;
	/* 隐藏原生下拉样式 */
	-webkit-appearance: none;
	-moz-appearance: none;
}

.lang-select option {
	background-color: #F4FCFE;
	color: #000;
}

/* 自定义下拉箭头 */
.lang-switch::after {
	content: "▼";
	position: absolute;
	right: 10px;
	top: 50%;
	transform: translateY(-50%);
	font-size: 10px;
	pointer-events: none;
	/* 让点击穿透到下拉框 */
}

/* ========== 语言切换器样式结束 ========== */
.btn {
	padding: 8px 20px;
	border: none;
	font-size: 14px;
	cursor: pointer;
	transition: all 0.3s;
	position: relative;
	/* 必须加，给伪元素定位 */
	border-radius: 20px;
	/* 统一圆角 */
}

.btn-register {
	background: transparent;
	color: #000;
	border: 1px solid rgba(13, 13, 13, 0.3);
	/* 去掉所有会模糊的属性：box-shadow / 抗锯齿 */
}

.btn-register:hover {
	background-color: rgba(255, 255, 255, 0.1);
}

.btn-login {
	background-color: #00d29d;
	/* 登录按钮绿色 */
	color: #ffffff;
}

.btn-login:hover {
	background-color: #00b888;
}

/* Banner主体样式 */
.banner {
	background: url('../img/videoconverter.png') no-repeat;
	/* 关键新增：让背景图完整显示 */
	background-size: cover;
	/* 覆盖整个容器，保持比例 */
	background-position: center center;
	/* 背景图居中显示 */
	/* 保留你原有样式，仅优化布局相关 */
	padding: 50px 80px;
	display: flex;
	align-items: center;
	color: #000000;
	min-height: 600px;
	/* 可选：防止容器宽度过小导致背景裁切 */
	width: 100%;
	box-sizing: border-box;
	/* 确保padding不影响容器总尺寸 */
}

.banner-left {
	max-width: 600px;
}

.banner-title {
	font-size: 38px;
	font-weight: bold;
	line-height: 1.2;
	margin-bottom: 20px;
	position: relative;
}

/* 握手图标样式 */
.banner-desc {
	font-size: 16px;
	line-height: 1.6;
	margin-bottom: 30px;
	color: #e0e9ff;
}

.banner-tags {
	display: flex;
	gap: 20px;
	margin-bottom: 35px;
	justify-content: center;
	font-size: 15px;
	font-weight: 500;
}

.banner-tags span {
	position: relative;
}

.banner-tags span:not(:last-child)::after {
	content: "|";
	position: absolute;
	right: -10px;
	color: #ffffff;
}

/* 手机号输入框样式 */
.phone-form {
	display: flex;
	align-items: center;
	gap: 0;
}

.phone-input {
	padding: 15px 20px;
	width: 300px;
	border: none;
	border-radius: 30px 0 0 30px;
	font-size: 16px;
	outline: none;
}

.phone-input::placeholder {
	color: #999999;
}

.submit-btn {
	padding: 15px 30px;
	background-color: #00d29d;
	color: #ffffff;
	border: none;
	border-radius: 0 30px 30px 0;
	font-size: 16px;
	font-weight: 500;
	cursor: pointer;
	transition: background-color 0.3s;
}

.submit-btn:hover {
	background-color: #00b888;
}

.banner-note {
	margin-top: 15px;
	font-size: 12px;
	color: #cce0ff;
}

/* Banner右侧图片区域 */
.banner-right {
	position: relative;
}

.main-img {
	width: 100%;
	height: 100%;
	object-fit: contain;
	position: relative;
	z-index: 2;
}

/* 容器 - 居中控制 */
.container {
	max-width: 80rem;
	margin: 0 auto;
	padding: 0 1rem;
}

/* 页面大标题 */
.page-title {
	font-size: 2.2rem;
	font-weight: 700;
	text-align: center;
	color: #111;
	margin-bottom: 2.5rem;
}

/* 产品模块 - 左右分栏布局 */
.product-module {
	display: flex;
	gap: 2.5rem;
	align-items: center;
	margin-bottom: 3rem;
	padding: 2rem;
	background: #fff;
	border-radius: 16px;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 左右栏各占50%宽度 */
.module-left,
.module-right {
	flex: 1;
}

/* 模块标题 */
.module-title {
	font-size: 1.8rem;
	font-weight: 600;
	color: #0f172a;
	margin-bottom: 0.8rem;
}

/* 模块描述文本 */
.module-desc {
	font-size: 1rem;
	color: #64748b;
	line-height: 1.6;
	margin-bottom: 1.5rem;
}

/* 特性列表（带勾选） */
.module-features {
	list-style: none;
	margin-bottom: 2rem;
}

.module-features li {
	font-size: 1rem;
	color: #334155;
	margin-bottom: 0.8rem;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.module-features li::before {
	content: "✓";
	color: #2563eb;
	font-weight: bold;
	font-size: 1.1rem;
}

/* 按钮样式 */
.btnsd {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.8rem 1.5rem;
	background: #2563eb;
	color: #fff;
	border: none;
	border-radius: 8px;
	font-size: 1rem;
	font-weight: 500;
	cursor: pointer;
}

.btnsd::after {
	content: "→";
	font-size: 1.1rem;
}

/* 插图容器 */
.module-illustration {
	position: relative;

	background: #f8fafc;
	border-radius: 12px;
	overflow: hidden;
}

/* ---------------- 全球收款 插图样式 ---------------- */
.illustration-collection {
	width: 100%;
	height: 100%;
	position: relative;
}

/* 地球背景 */
.earth-bg {
	position: absolute;
	right: 10%;
	top: 50%;
	transform: translateY(-50%);
	width: 200px;
	height: 200px;
	background: #3b82f6;
	border-radius: 50%;
	opacity: 0.2;
}

/* 地球主体 */
.earth {
	position: absolute;
	right: 10%;
	top: 50%;
	transform: translateY(-50%);
	width: 180px;
	height: 180px;
	background: #60a5fa;
	border-radius: 50%;
	overflow: hidden;
}

.earth::before,
.earth::after {
	content: "";
	position: absolute;
	background: #93c5fd;
	border-radius: 40%;
}

.earth::before {
	top: 20%;
	left: 10%;
	width: 140px;
	height: 100px;
}

.earth::after {
	bottom: 25%;
	right: 15%;
	width: 100px;
	height: 80px;
}

/* 多币种卡片 */
.currency-card {
	position: absolute;
	top: 15%;
	right: 25%;
	width: 220px;
	padding: 1rem;
	background: #fff;
	border-radius: 10px;
	box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.currency-card .card-title {
	font-size: 0.9rem;
	color: #64748b;
	text-align: center;
	margin-bottom: 1rem;
}

.currency-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 0.8rem;
}

.currency-item {
	display: flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.8rem;
}

.currency-flag {
	width: 18px;
	height: 12px;
	border-radius: 2px;
}

.currency-check {
	margin-left: auto;
	color: #10b981;
	font-weight: bold;
}

/* 金额卡片 */
.amount-card {
	position: absolute;
	bottom: 15%;
	right: 15%;
	width: 180px;
	padding: 1rem;
	background: #fff;
	border-radius: 10px;
	box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.amount-flag {
	width: 20px;
	height: 14px;
	background: #b91c1c;
	border-radius: 2px;
	margin-bottom: 0.5rem;
}

.amount-value {
	font-size: 1.2rem;
	font-weight: 600;
	color: #0f172a;
	margin-bottom: 0.2rem;
}

.amount-currency {
	font-size: 0.9rem;
	color: #64748b;
}

/* ---------------- 全球付款 插图样式 ---------------- */
.illustration-payment {
	width: 100%;
	height: 100%;
	position: relative;
}

/* 计算器卡片 */
.payment-calculator {
	background: #fff;
	border-radius: 10px;
	box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.calc-label {
	font-size: 0.8rem;
	color: #64748b;
	margin-bottom: 0.5rem;
}

.calc-input-row {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	margin-bottom: 1rem;
}

.calc-input {
	flex: 1;
	border: none;
	font-size: 1.2rem;
	font-weight: 500;
	color: #10b981;
	outline: none;
}

.calc-currency {
	display: flex;
	align-items: center;
	gap: 0.3rem;
	font-size: 1rem;
}

.calc-flag {
	width: 18px;
	height: 12px;
	border-radius: 2px;
}

.calc-details,
.calc-rate {
	font-size: 0.8rem;
	color: #64748b;
	margin-bottom: 0.5rem;
	display: flex;
	justify-content: space-between;
}

.calc-receive-label {
	font-size: 0.8rem;
	color: #64748b;
	margin-bottom: 0.5rem;
}

.calc-receive-value {
	font-size: 1.2rem;
	font-weight: 600;
	color: #2563eb;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.receive-flag {
	width: 20px;
	height: 14px;
	background: #f59e0b;
	border-radius: 2px;
}

/* 支付方式图标组 */
.payment-methods {
	position: absolute;
	left: 35%;
	top: 20%;
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.method-item {
	width: 50px;
	height: 50px;
	background: #fff;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
	font-size: 0.7rem;
	color: #0f172a;
}

.method-item.epay {
	width: 70px;
	height: 70px;
	font-size: 1rem;
	font-weight: 600;
	color: #2563eb;
}

.method-item.gcash {
	color: #0070f3;
}

/* 支付选项卡片 */
.payment-options {
	position: absolute;
	left: 20%;
	bottom: 15%;
	background: #2563eb;
	color: #fff;
	padding: 1rem;
	border-radius: 10px;
	box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.payment-options ul {
	list-style: none;
}

.payment-options li {
	margin-bottom: 0.8rem;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.payment-options li::before {
	content: "✓";
	color: #fff;
	font-weight: bold;
}

.payment-options li:last-child {
	margin-bottom: 0;
}

/* 滑动容器 - 关键容器，用于裁剪溢出内容 */
.slider-container {
	width: 100%;
	border-radius: 20px;
	overflow: hidden;
	/* 隐藏超出部分 */
	background: #fff;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 滑动轨道 - 承载所有内容，用于执行动画 */
.slider-track {
	display: flex;
	width: fit-content;
	/* 动画属性不变，仅修改 keyframes 里的位移逻辑 */
	animation: slide-right 30s linear infinite;
}

/* 单个项目样式 */
.slider-item {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 40px;
	/* 项目之间的间距 */
	height: 120px;
}

.slider-item img {
	height: 80px;
	/* 控制Logo高度 */
	width: auto;
	filter: grayscale(100%);
	/* 灰色效果，可删除 */
	transition: filter 0.3s ease;
}

.slider-item img:hover {
	filter: grayscale(0%);
	/* 鼠标悬停变彩色 */
}

/* 核心修改：调整位移方向，实现向左滑动 */
@keyframes slide-right {
	0% {
		transform: translateX(0);
		/* 初始位置：原点 */
	}

	100% {
		/* 结束位置：向左偏移一半轨道宽度（实现无缝循环） */
		transform: translateX(-50%);
	}
}

/* ---------------- 移动端导航栏样式 ---------------- */
/* 汉堡菜单按钮 - 仅移动端显示 */
.hamburger {
	display: none;
	flex-direction: column;
	gap: 4px;
	cursor: pointer;
	z-index: 100;
}

.hamburger span {
	width: 24px;
	height: 3px;
	background-color: #000;
	border-radius: 2px;
	transition: all 0.3s;
}

/* 移动端展开的菜单容器 */
.mobile-menu {
	position: fixed;
	top: 0;
	right: 0;
	width: 80%;
	max-width: 300px;
	height: 100vh;
	background-color: #F4FCFE;
	padding: 80px 20px 20px;
	transform: translateX(100%);
	transition: transform 0.3s ease;
	z-index: 99;
	overflow-y: auto;
}

.mobile-menu.active {
	transform: translateX(0);
}

/* 移动端菜单列表 */
.mobile-nav-menu {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.mobile-nav-menu li a {
	color: #000;
	text-decoration: none;
	font-size: 16px;
	padding: 10px 0;
	display: block;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-menu li a.active {
	font-weight: bold;
	color: #00d29d;
}

/* ========== 新增：移动端语言切换器 ========== */
.mobile-lang-switch {
	margin-bottom: 20px;
	padding-bottom: 20px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========== 移动端语言切换器结束 ========== */
/* 移动端菜单里的功能按钮 */
.mobile-menu-btns {
	margin-top: 30px;
	display: flex;
	flex-direction: column;
	gap: 15px;
}

.mobile-menu-btns .btn {
	width: 100%;
	border-radius: 8px;
}

/* 遮罩层 */
.overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100vh;
	background-color: rgba(0, 0, 0, 0.5);
	z-index: 98;
	display: none;
	opacity: 0;
	transition: opacity 0.3s;
}

.overlay.active {
	display: block;
	opacity: 1;
}

/* ---------------- 响应式适配 ---------------- */
@media (max-width: 1200px) {
	.banner {
		flex-direction: column;
		text-align: center;
		padding: 30px 20px;
	}

	.banner-left {
		margin-bottom: 40px;
	}

	.banner-title {
		font-size: 48px;
	}

	.banner-tags {
		justify-content: center;
	}

	.phone-form {
		justify-content: center;
	}

	.banner-right {
		width: 400px;
		height: 400px;
	}
}

@media (max-width: 768px) {

	/* 隐藏桌面端导航和右侧按钮 */
	.nav-menu,
	.nav-right {
		display: none;
	}

	/* 显示汉堡菜单 */
	.hamburger {
		display: flex;
	}

	.header-nav {
		padding: 10px 20px;
	}

	.banner-title {
		font-size: 36px;
	}

	.phone-input {
		width: 200px;
	}

	.banner-right {
		width: 300px;
		height: 300px;
	}

	/* 产品模块移动端堆叠 */
	.product-module {
		flex-direction: column;
	}

	.module-illustration {}

	.page-title {
		font-size: 1.8rem;
	}
}

/* 容器样式：模拟原图的浅绿色背景和内边距 */
.advantage-section {

	/* 增加上下内边距，适配梯形高度 */
	width: 100%;
	max-width: 80rem;
	margin: 50px auto;
}

/* 核心卡片容器：三栏均分 */
.advantage-cards {
	display: flex;
	justify-content: space-between;
	gap: 20px;
}

.banner-tags {
	display: block;
	/* 取消flex，恢复块级元素默认布局 */
	text-align: center;
	/* 替代justify-content: center实现居中 */
	margin-bottom: 35px;
	font-size: 15px;
	font-weight: 500;
}

/* 梯形卡片外层容器（关键：承载变形） */
.trapezoid-card-wrap {
	flex: 1;
	/* 防止变形影响整体布局 */
	height: 320px;
	position: relative;
	overflow: hidden;
}

/* 卡片样式：上长下短的梯形 + 渐变背景 */
.advantage-card {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 80%;
	clip-path: polygon(16% 0%, 92% 0%, 78% 100%, 2% 100%);
	background: linear-gradient(180deg, #DEF1FF 0%, #F5FDFF 100%);
	border: 1px solid #c8e6d3;

	text-align: center;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	box-shadow: 0 2px 8px rgba(0, 128, 0, 0.08);
}

/* 图标容器：居中+底部间距 */
.card-icon {
	margin: 0 auto 20px;
	width: 80px;
	height: 80px;
	display: flex;
	align-items: center;
	justify-content: center;
	/* 防止图标被梯形裁切 */
	position: relative;
	z-index: 1;
}

/* 图标图片：自适应容器 */
.card-icon img {
	width: 100%;
	height: 100%;
	object-fit: contain;
}

/* 文字样式：分级控制 */
.card-title {
	font-size: 18px;
	font-weight: bold;
	color: #000;
	margin-left: -46px;
	margin-bottom: 12px;
	line-height: 1.2;
	position: relative;
	z-index: 1;
}

.card-desc {
	font-size: 14px;
	color: #666666;
	line-height: 1.5;
	position: relative;
	z-index: 1;
	width: 80%;
	/* 限制文字宽度，适配梯形底部 */
}

/* 响应式适配：小屏幕变为竖排 */
/* ========== 媒体查询放在所有基础样式之后（关键！） ========== */
@media screen and (max-width: 768px) {

	/* 强制生效：增加!important（临时排查用，确认生效后可去掉） */
	.advantage-cards {

		gap: 0 !important;
		display: block;
		/* 取消gap，用margin-bottom控制间距 */
	}

	.card-title {
		font-size: 18px;
		font-weight: bold;
		color: #000;
		margin-left: 0px;
		margin-bottom: 12px;
		line-height: 1.2;
		position: relative;
		z-index: 1;
	}

	.trapezoid-card-wrap {
		height: 280px !important;
		margin-bottom: 20px !important;
		/* 移动端强制宽度100%，避免梯形变形 */
		width: 100% !important;
	}

	/* 移动端微调梯形，适配小屏幕 */
	.advantage-card {
		clip-path: polygon(5% 0%, 95% 0%, 90% 100%, 10% 100%) !important;
		padding: 30px 10px 10px !important;
	}
}

/* 页面容器 */
.faq-container {
	max-width: 80rem;
	margin: 0px auto;
	padding: 0 20px;
}

/* 标题样式 */
.faq-title {
	font-size: 24px;
	font-weight: bold;
	color: #333;
	margin-bottom: 30px;
	text-align: center;
}

/* FAQ列表 */
.faq-list {
	list-style: none;
	gap: 15px;
	display: flex;
	flex-direction: column;
}

/* 单个FAQ项 */
.faq-item {
	border: 1px solid #e5e7eb;
	border-radius: 8px;
	overflow: hidden;
	transition: all 0.3s ease;
}

/* 悬停效果 */
.faq-item:hover {
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
	border-color: #d1d5db;
}

/* 问题按钮（可点击） */
.faq-question {
	width: 100%;
	padding: 20px;
	background-color: #fff;
	border: none;
	text-align: left;
	font-size: 16px;
	font-weight: 600;
	color: #1f2937;
	cursor: pointer;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

/* 箭头图标 */
.faq-arrow {
	width: 16px;
	height: 16px;
	border-top: 2px solid #6b7280;
	border-right: 2px solid #6b7280;
	transform: rotate(45deg);
	transition: transform 0.3s ease;
}

/* 展开时箭头旋转 */
.faq-item.active .faq-arrow {
	transform: rotate(135deg);
	margin-top: 8px;
}

/* 答案容器（默认隐藏） */
.faq-answer {
	padding: 0 20px;
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.3s ease, padding 0.3s ease;
	background-color: #f9fafb;
	color: #4b5563;
	line-height: 1.6;
	font-size: 14px;
}

/* 展开答案 */
.faq-item.active .faq-answer {
	padding: 0 20px 20px;
	max-height: 500px;
	/* 足够容纳答案内容 */
}

/* 响应式适配 */
@media (max-width: 768px) {
	.faq-title {
		font-size: 20px;
	}

	.faq-question {
		font-size: 15px;
		padding: 16px;
	}

	.faq-answer {
		font-size: 13px;
	}
}

.containersd {
	background-color: #ffffff;
	border-radius: 16px;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
	width: 100%;
	max-width: 80rem;
	/* 桌面端最大宽度 */
	overflow: hidden;
	margin: 20px auto;
	/* 移动端默认上下布局，桌面端改为左右 */
	display: flex;
	flex-direction: column;
}

.left-section {
	padding: 32px 24px;
	background-color: #ffffff;
}

.left-section h2 {
	font-size: 18px;
	font-weight: 600;
	color: #111827;
	margin-bottom: 24px;
}

.feature-item {
	display: flex;
	align-items: flex-start;
	margin-bottom: 20px;
}

.feature-icon {
	width: 30px;
	height: 30px;
	color: white;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 12px;
	margin-right: 12px;
	margin-top: 2px;
	flex-shrink: 0;
}

.feature-icon img {
	width: 30px;
	height: 30px;
}

.feature-content {
	flex: 1;
}

.feature-content h3 {
	font-size: 14px;
	font-weight: 600;
	color: #111827;
	margin-bottom: 4px;
}

.feature-content p {
	font-size: 13px;
	color: #6b7280;
	line-height: 1.5;
}

.right-section {
	padding: 32px 24px;
	background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
	display: flex;
	flex-direction: column;
}

.right-section h2 {
	font-size: 18px;
	font-weight: 600;
	color: #111827;
	margin-bottom: 24px;
}

.form-group {
	margin-bottom: 16px;
}

.form-group input {
	width: 100%;
	padding: 14px 16px;
	border: 1px solid #d1d5db;
	border-radius: 8px;
	font-size: 14px;
	color: #111827;
	background-color: white;
}

/* 错误提示样式 */
.form-group input.error {
	border-color: #ef4444;
	/* 红色边框提示错误 */
}

.form-group input::placeholder {
	color: #9ca3af;
}

.error-tip {
	color: #ef4444;
	font-size: 12px;
	margin-top: 4px;
	display: none;
	/* 默认隐藏 */
}

.submit-btn {
	margin-top: 8px;
	padding: 14px;
	background-color: #2563eb;
	color: white;
	border: none;
	border-radius: 8px;
	font-size: 14px;
	font-weight: 500;
	cursor: pointer;
	transition: background-color 0.2s;
}

.submit-btn:hover {
	background-color: #1d4ed8;
}

@media (min-width: 768px) {
	body {
		padding: 0;
	}

	.containersd {
		flex-direction: row;
	}

	.left-section,
	.right-section {
		flex: 1;
		padding: 48px 40px;
	}

	.left-section h2 {
		font-size: 20px;
	}

	.form-group input,
	.submit-btn {
		padding: 12px 16px;
	}
}

/* 页脚核心样式 */
footer {
	background-color: #0f172a;
	/* 深色背景 */
	color: #94a3b8;
	/* 浅灰色文字 */
	padding: 20px 16px;
	/* 移动端减小左右内边距 */
	font-size: 14px;
	/* 移动端默认上下布局，桌面端左右布局 */

	/* 移动端内容居中 */
}

.fppt {
	display: flex;
	margin-top: 20px;
	flex-direction: column;
	gap: 16px;
	/* 上下元素间距 */
	align-items: center;
}

/* 版权信息 */
.copyright {
	text-align: center;
	/* 移动端文字居中 */
	font-size: 13px;
	/* 移动端字号略小 */
	white-space: nowrap;
	/* 关键：禁止文字换行 */
}

/* 页脚导航 */
.footer-nav {
	list-style: none;
	/* 移动端自适应换行 */
	display: flex;
	flex-wrap: wrap;
	gap: 16px 20px;
	/* 行内间距20px，行间距16px */
	justify-content: center;
	/* 导航项居中 */
	width: 100%;
	/* 占满宽度 */
}

.footer-nav li a {
	color: #94a3b8;
	text-decoration: none;
	transition: color 0.2s;
	font-size: 13px;
	/* 移动端字号适配 */
	/* 增加点击区域 */
	padding: 4px 8px;
	display: inline-block;
}

.footer-nav li a:hover,
.footer-nav li a:active {
	/* 适配移动端点击态 */
	color: #ffffff;
}

.footer-nav li a.active {
	color: #ffffff;
	font-weight: 500;
}

/* 桌面端适配（屏幕宽度≥768px） */
@media (min-width: 768px) {
	.fppt {
		flex-direction: row;
		/* 桌面端左右布局 */
		justify-content: space-between;
		/* 两端对齐 */
		align-items: center;
		padding: 20px 40px;
	}

	.copyright {
		text-align: left;
		/* 桌面端文字左对齐 */
		font-size: 14px;
	}

	.footer-nav {
		flex-wrap: nowrap;
		/* 桌面端不换行 */
		gap: 24px;
		justify-content: flex-end;
		/* 桌面端导航右对齐 */
	}

	.footer-nav li a {
		font-size: 14px;
		padding: 0;
	}
}

/* 大屏适配（屏幕宽度≥1200px） */
@media (min-width: 1200px) {
	.fppt {
		padding: 20px 80px;
	}

	.footer-nav {
		gap: 30px;
	}
}