.tab {
	width: 465rem;
	margin: 0 auto;
	margin-top: 87rem;
	margin-bottom: 72rem;
	display: flex;
	justify-content: space-between;
}

.tab .item {
	width: 50%;
	text-align: center;
	transition: transform 0.3s ease;
	/* 平滑过渡效果 */
}

.tab .item:hover {
	transform: scale(1.05);
}

.tab .item .ch {
	font-size: 32rem;
	line-height: 32rem;
	color: #505050;
	margin-bottom: 17rem;
}

.tab .active .ch {
	color: #1a71c4;
}

.tab .item .en {
	font-size: 18rem;
	line-height: 18rem;
	color: #505050;
}

.tab .active .en {
	color: #1a71c4;
}


/* Form General */
.form_content {
	width: 1595rem;
	background-color: #ffffff;
	box-shadow: 0rem 2rem 32rem 0rem rgba(0, 0, 0, 0.15);
	margin: 0 auto;
	margin-bottom: 100rem;
	padding: 67rem 298rem 102rem 289rem;
	box-sizing: border-box;
}

/* Form Rows */
.form-row {
	display: flex;
	align-items: center;
	margin-bottom: 33rem;
}

/* Labels */
.form-row label {
	flex: 0 0 100px;
	text-align: right;
	margin-right: 9rem;
	color: #555;
	font-size: 18rem;
	white-space: nowrap;
}

/* Required asterisk */
.form-row label .required {
	color: #e74c3c;
	margin-right: 2rem;
	font-weight: bold;
}

/* Input Fields, Select, Textarea */
.form-row input[type="text"],
.form-row input[type="password"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea {
	height: 63rem;
	flex: 1;
	padding: 10rem 12rem;
	border: 1rem solid #e0e0e0;
	border-radius: 4rem;
	background-color: #fdfdfd;
	font-size: 18rem;
	box-sizing: border-box;
	color: #333;
	transition: border-color 0.3s ease;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
	outline: none;
	border-color: #347abc;
	box-shadow: 0 0 0 2rem rgba(52, 122, 188, 0.15);
}

/* Special styling for phone row */
.phone-row .phone-input-group {
	display: flex;
	flex: 1;
}

.phone-row select {
	flex: 0 0 150rem;
	margin-right: 10rem;
	-webkit-appearance: none;
	-moz-appearance: none;
	appearance: none;
	background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23666666%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.4-12.8z%22%2F%3E%3C%2Fsvg%3E');
	background-repeat: no-repeat;
	background-position: right 10rem center;
	background-size: 10rem 10rem;
	padding-right: 30rem;
}

.phone-row input[type="tel"] {
	flex: 1;
}

.remarks-row {
	align-items: flex-start;
}

.remarks-row label {
	padding-top: 10rem;
}

.form-row textarea {
	resize: vertical;
	min-height: 206rem;
}

.button-row {
	margin-top: 30rem;
}

.placeholder-label {
	flex: 0 0 100rem;
	margin-right: 15rem;
}

.submit-btn {
	width: 240rem;
	height: 68rem;
	padding: 12rem 35rem;
	box-sizing: border-box;
	background-color: #347abc;
	color: #ffffff;
	border: none;
	border-radius: 4rem;
	font-size: 16rem;
	cursor: pointer;
	transition: background-color 0.3s ease;
	font-weight: 500;
}

.submit-btn:hover {
	background-color: #296899;
}

.form-row a {
	font-size: 18rem;
	line-height: 32rem;
	color: #1a71c4;
	margin-left: 20rem;
	transition: transform 0.3s ease;
	/* 平滑过渡效果 */
}

.form-row a:hover {
	transform: scale(1.05);
}