* {
  margin: 0;
  padding: 0;

}

body {
  background-color: #f1f2f3;
}

.container {
    box-sizing: border-box;
  max-width: 1560px;
  min-width: 1240px;
  width: 100%;
  margin: 20px auto;
    color: #333;
}
.container *{
    box-sizing: border-box;
}
header {
  text-align: center;
  margin-bottom: 25px;
}

h1 {
  font-size: 2.1rem;
  margin-bottom: 10px;
  color: #2c3e50;
}

.subtitle {
  font-size: 1.1rem;
  color: #7f8c8d;
  max-width: 90%;
  margin: 0 auto;
  line-height: 1.6;
}


.card {
	background: white;
	border-radius: 12px;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
	padding: 1.5rem;
	margin-bottom: 1.5rem;
}

.form-group {
	margin-bottom: 20px;
}

label {
	display: block;
	margin-bottom: 8px;
	font-weight: 500;
	color: #555;
}

.input-group {
	position: relative;
	margin-bottom: 15px;
}

input[type="text"],
select {
	width: 100%;
	padding: 12px 15px;
	border: 2px solid #e1e5e9;
	border-radius: 8px;
	font-size: 16px;
	transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input[type="text"]:focus,
select:focus {
	outline: none;
	border-color: #667eea;
	box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.button-group {
	display: flex;
	gap: 15px;
	flex-wrap: wrap;
}

button {
	padding: 12px 48px;
	border: none;
	border-radius: 8px;
	font-size: 16px;
	font-weight: 500;
	cursor: pointer;
	transition: all 0.3s ease;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
}

.btn-primary {
	background-color: #667eea;
	color: white;
}

.btn-primary:hover {
	background-color: #5a6fd8;
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
	background-color: #f0f2f5;
	color: #555;
}

.btn-secondary:hover {
	background-color: #e6e8ec;
	transform: translateY(-1px);
}

.btn-success {
	background-color: #28a745;
	color: white;
}

.btn-success:hover {
	background-color: #218838;
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.btn-warning {
	background-color: #ffc107;
	color: #212529;
}

.btn-warning:hover {
	background-color: #e0a800;
	transform: translateY(-1px);
}

.result-container {
	margin-top: 30px;
	padding: 20px;
	background-color: #f8f9fa;
	border-radius: 8px;
	border-left: 4px solid #667eea;
}

.result-container.hidden {
	display: none;
}

.result-label {
	font-weight: 500;
	color: #555;
	margin-bottom: 8px;
}

.result-input {
	width: 100%;
	padding: 12px 15px;
	background-color: white;
	border: 1px solid #e1e5e9;
	border-radius: 6px;
	font-size: 14px;
	word-break: break-all;
}

.result-actions {
	display: flex;
	gap: 10px;
	margin-top: 15px;
}

.text-red-500 {
	color: #dc3545;
}

.text-green-600 {
	color: #28a745;
	font-weight: bold;
}

.notice {
	position: fixed;
	bottom: 20px;
	left: 50%;
	transform: translateX(-50%) translateY(20px);
	background-color: #4a6cf7;
	color: white;
	padding: 15px 25px;
	border-radius: 8px;
	z-index: 1000;
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s ease-out;
	box-shadow: 0 4px 20px rgba(74, 108, 247, 0.3);
	max-width: 90%;
	text-align: center;
}

.notice.show {
	opacity: 1;
	visibility: visible;
	transform: translateX(-50%) translateY(0);
}

.footer-content {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1.5rem;
	font-size: 0.95rem;
}

.features{
	background-color: #fff;
	padding: 1.5rem;
	border-radius: 8px;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.features h3{
	font-size: 1.2rem;
	margin-bottom: 1rem;
	color: #333;
	position: relative;
	padding-bottom: 10px;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.features h3::after{
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 50px;
	height: 3px;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.footer-content  p {
	margin-bottom: 0;
	color: #666;
	line-height: 1.6;
}

.features ul {
	list-style: none;
	padding: 0;
}

.features li{
	margin-bottom: 0.75rem;
	color: #666;
	line-height: 1.5;
	display: flex;
	align-items: flex-start;
	gap: 0.5rem;
}

.copyright {
	text-align: center;
	color: #666;
	font-size: 0.9rem;
	grid-column: 1 / -1;
	background: none;
	box-shadow: none;
}

.copyright p {
	margin: 0.5rem 0;
}

/* 提示框样式 */
.tip-box {
	margin-top: 20px;
	font-size: 14px;
	color: #666;
	background: #f8f9fa;
	padding: 15px;
	border-radius: 8px;
	border-left: 3px solid #667eea;
}

.tip-box p {
	margin: 0 0 10px 0;
	font-weight: 500;
}

.tip-box ul {
	margin: 0;
	padding-left: 20px;
	line-height: 1.6;
}

.tip-box ul ul {
	margin: 5px 0;
	padding-left: 20px;
}

.tip-box code {
	background: #e9ecef;
	padding: 2px 5px;
	border-radius: 4px;
	font-size: 12px;
}