* { margin: 0; padding: 0; box-sizing: border-box; }
body {
	background: #f4f7fc;
	font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
	color: #212121;
	padding: 2rem 1rem;
	line-height: 1.4;
}
.fixed-nav {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	background-color: #F36F21;
	box-shadow: 0 4px 12px rgba(0,0,0,0.08);
	z-index: 1000;
	padding: 0.6rem 2rem;
}
.head-container {
	max-width: 1400px;
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 1rem;
}
.logo-area {
	display: flex;
	align-items: center;
}
.logo-placeholder {
	background-color: #00529C;
	border-radius: 12px;
	height: 60px;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 18px;
}
.logo-placeholder img {
	max-height: 45px;
	width: auto;
}
.lang-switch-nav {
	display: flex;
	gap: 8px;
	background: rgba(0,0,0,0.1);
	padding: 5px 12px;
	border-radius: 48px;
	backdrop-filter: blur(2px);
}
.lang-btn-nav {
	background: transparent;
	border: none;
	color: white;
	font-weight: 600;
	font-size: 0.9rem;
	padding: 6px 16px;
	border-radius: 40px;
	cursor: pointer;
	transition: 0.2s;
	font-family: inherit;
}
.lang-btn-nav.active {
	background: #00529C;
	color: white;
	box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.lang-btn-nav:hover:not(.active) {
	background: rgba(255,255,255,0.25);
}
.main-footer {
	background: #fafcff;
	border-top: 1px solid #eef2f6;
	padding: 1.2rem 2rem 1rem;
	text-align: center;
	font-size: 0.8rem;
	color: #4a627a;
	margin-top: 20px;
	border-radius: 0 0 28px 28px;
}
.footer-links {
	display: flex;
	justify-content: center;
	gap: 2rem;
	margin-bottom: 0.8rem;
	flex-wrap: wrap;
}
.footer-links a {
	color: #2c6280;
	text-decoration: none;
	font-weight: 500;
	transition: 0.2s;
	cursor: pointer;
}
.footer-links a:hover {
	color: #F27C23;
	text-decoration: underline;
}
.copyright {
	font-size: 0.7rem;
	opacity: 0.7;
}
/* 内容容器补偿顶部导航高度 */
.content-wrapper {
	margin-top: 90px; 
	max-width: 1400px;
	margin-left: auto;
	margin-right: auto;
	background: white;
	border-radius: 28px;
	box-shadow: 0 20px 35px -12px rgba(0,0,0,0.1);
	overflow: hidden;
}
@media (max-width: 780px) {
	body { padding: 1rem 0.5rem; }
	.fixed-nav { padding: 0.6rem 1rem; }
}

/* 页面特定样式 (报价表单) */
.quote-header {
	background: linear-gradient(135deg, #042B60 0%, #0a3f7a 100%);
	padding: 1.5rem 2rem;
	color: white;
}
.header-top {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 1rem;
}
.quote-header h1 {
	font-size: 1.8rem;
	font-weight: 600;
	display: flex;
	align-items: center;
	gap: 12px;
}
.quote-header h1 small {
	font-size: 0.9rem;
	background: rgba(255,255,255,0.2);
	padding: 0.4rem 1rem;
	border-radius: 40px;
}
.form-body {
	padding: 2rem 2rem 1rem;
}
.section-card {
	background: #fff;
	border-radius: 20px;
	margin-bottom: 2rem;
	border: 1px solid #e9edf2;
	box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}
.section-title {
	font-size: 1.3rem;
	font-weight: 600;
	padding: 1rem 1.5rem;
	border-bottom: 2px solid #F27C23;
	background: #fefaf5;
	border-radius: 20px 20px 0 0;
	color: #042B60;
}
.section-content {
	padding: 1.5rem;
}
.form-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 1.5rem;
}
.input-group {
	display: flex;
	flex-direction: column;
	gap: 6px;
}
.input-group label {
	font-weight: 600;
	font-size: 0.85rem;
	color: #2c3e4e;
}
.required { color: #F27C23; margin-left: 3px; }
input, select, textarea {
	padding: 12px 14px;
	border: 1px solid #cfdde6;
	border-radius: 14px;
	font-size: 0.95rem;
	background: #fff;
}
input:focus, textarea:focus, select:focus {
	outline: none;
	border-color: #F27C23;
	box-shadow: 0 0 0 3px rgba(242,124,35,0.2);
}
.product-table-wrapper {
	overflow-x: auto;
	margin-bottom: 1.2rem;
}
.product-table {
	width: 100%;
	border-collapse: collapse;
	min-width: 720px;
}
.product-table th {
	background: #f0f4f9;
	padding: 12px 10px;
	font-weight: 600;
	color: #042B60;
	border-bottom: 2px solid #F69022;
	text-align: left;
}
.product-table td {
	padding: 12px 10px;
	border-bottom: 1px solid #e2e8f0;
}
.btn-add-row {
	background: #f0f4fa;
	border: 1px dashed #F27C23;
	padding: 8px 16px;
	border-radius: 40px;
	font-weight: 600;
	color: #F27C23;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	gap: 8px;
}
.btn-add-row:hover {
	background: #F27C23;
	color: white;
}
.total-amount-footer {
	text-align: right;
	padding: 16px 0 0;
	font-size: 1.3rem;
	font-weight: 700;
	border-top: 2px solid #eef2f6;
}
.total-amount-footer span {
	background: #042B60;
	color: white;
	padding: 6px 18px;
	border-radius: 32px;
}
.btn-submit {
	background: linear-gradient(95deg, #F27C23, #F69022);
	border: none;
	padding: 14px 36px;
	font-size: 1.1rem;
	font-weight: 700;
	border-radius: 48px;
	color: white;
	cursor: pointer;
	box-shadow: 0 6px 14px rgba(242,124,35,0.3);
	width: 260px;
}
.btn-submit:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 22px rgba(242,124,35,0.4);
}
.submit-area {
	text-align: center;
	margin-top: 2rem;
}
.info-badge {
	background: #eef2fa;
	border-radius: 12px;
	padding: 8px 14px;
	font-size: 0.75rem;
	color: #2c6280;
	margin-bottom: 12px;
}
.desc-cell { min-width: 220px; }
.qty-input { width: 90px; text-align: center; }
.remove-row {
	background: none;
	border: none;
	font-size: 1.4rem;
	cursor: pointer;
	color: #a0aaba;
}
.remove-row:hover { color: #d9534f; }