:root {
	/* colors */
	--color-bg: #f8fafc;
	--color-surface: #ffffff;
	--color-text: #0f172a;
	--color-muted: #6b7280;
	--color-primary: #3b82f6;
	--color-primary-600: #2563eb;
	--color-link: var(--color-primary);
	--color-border: #e6eef6;



	/* spacing scale (modular, in rem) - for utilities */
	--space-0: 0;
	--space-1: 0.25rem;
	/* 4px */
	--space-2: 0.5rem;
	/* 8px */
	--space-3: 0.75rem;
	/* 12px */
	--space-4: 1rem;
	/* 16px */
	--space-5: 1.5rem;
	/* 24px */
	--space-6: 2rem;
	/* 32px */
	--space-7: 3rem;
	/* 48px */

	/* layout */
	--container-max-width: 1200px;
	--border-radius: 8px;
	--shadow-soft: 0 6px 18px rgba(15, 23, 42, 0.06);

	/* accessibility / touch */
	--min-touch-size: 44px;
	/* WCAG recommended */
	/* typography */
	--font-sans: "Inter", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
	--base-font-size: 16px;
	/* will be adjusted responsively via media queries */
	--line-height: 1.6;
	--heading-line-height: 1.25;
	--size0--: 24px;
	--size1--: 20px;
	--size2--: 16px;
	--size3--: 14px;
	--size4--: 12px;
	--size5--: 18px;

}

/* ---------------------------
   2. Reset / box-sizing / base
   --------------------------- */
/* Modern reset derived from common resets */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html,
body {
	height: 100%;


}

.scroll-y {
	overflow: auto;
}

.scroll-y::-webkit-scrollbar {
	display: none;
	/* 隐藏滚动条 */
}

html {
	-webkit-text-size-adjust: 100%;
	-moz-osx-font-smoothing: grayscale;
	-webkit-font-smoothing: antialiased;
	font-family: var(--font-sans);
	font-size: var(--base-font-size);
	background: var(--color-bg);
	color: var(--color-text);
	line-height: var(--line-height);
}

/* Remove default margins on common elements */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
	margin: 0;
	padding: 0;
}

/* Remove list styles where appropriate */
ul[class],
ol[class] {
	list-style: none;
	padding: 0;
	margin: 0;
}

/* Make images and media responsive */
img,
picture,
video,
canvas,
svg {
	display: block;
	max-width: 100%;
	height: auto;
}

/* Form elements */
button,
input,
optgroup,
select,
textarea {
	font-family: inherit;
	font-size: inherit;
	line-height: inherit;
}

/* ---------------------------
   3. Typography defaults
   --------------------------- */
p {
	margin: 0 0 var(--space-4) 0;
	/* 默认段落底部留白 */
	padding: 0;
	font-size: 1rem;
	/* 16px base */
	color: var(--color-text);
	word-break: break-word;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
	color: var(--color-text);
	line-height: var(--heading-line-height);
	margin: 0 0 calc(var(--space-3)) 0;
	font-weight: 600;
}

/* sensible defaults for headings (rem-based) */
h1 {
	font-size: 2rem;
}

/* 32px */
h2 {
	font-size: 1.5rem;
}

/* 24px */
h3 {
	font-size: 1.25rem;
}

/* 20px */
h4 {
	font-size: 1.125rem;
}

/*18px*/
h5 {
	font-size: 1rem;
}

h6 {
	font-size: 0.875rem;
}

/*公共偏移量*/
@keyframes slideInRight {
	0% {
		opacity: 0;
		transform: translateX(150px);
	}

	100% {
		opacity: 1;
		transform: translateX(0);
	}
}

.fade-in-right {
	opacity: 0;
	transform: translateX(150px);
	/* 初始右偏移 */
	animation: slideInRight 1.6s ease forwards;
	/* 动画0.6秒完成 */
}

/*公共偏移量*/
@keyframes slideInflet {
	0% {
		opacity: 0;
		transform: translateX(-150px);
	}

	100% {
		opacity: 1;
		transform: translateX(0);
	}
}

.fade-in-left {
	opacity: 0;
	transform: translateX(-150px);
	/* 初始右偏移 */
	animation: slideInflet 1.6s ease forwards;
	/* 动画0.6秒完成 */
}

/* Links */
a {
	color: var(--color-text);
	text-decoration: none;
	background-color: transparent;
	cursor: pointer;
}

a:hover,
a:focus {
	text-decoration: underline;
	color: var(--color-primary-600);
	outline: none;
}

/* Ensure focus outlines visible for accessibility */
:focus {
	outline: 3px solid rgba(59, 130, 246, 0.18);
	outline-offset: 2px;
	border-radius: 4px;
}

/* ---------------------------
   4. Base containers & cards
   --------------------------- */
/* Responsive centered container */
.container {
	width: 100%;
	margin-left: auto;
	margin-right: auto;
	padding-left: var(--space-4);
	padding-right: var(--space-4);
	max-width: var(--container-max-width);
}

/* Card */
/*.card {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--border-radius);
	box-shadow: var(--shadow-soft);
	padding: var(--space-4);
}*/

/* Row / Column helpers */
.row {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-4);
}

.col {
	flex: 1 1 0;
	min-width: 0;
}

/* Simple grid for card list */
.grid {
	display: grid;
	gap: var(--space-4);
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* ---------------------------
   5. div / block defaults
   --------------------------- */
/* Generic block wrapper - helps ensure consistent spacing */
.block {
	display: block;
	margin: 0 0 var(--space-4) 0;
	padding: var(--space-0);
}

/* ---------------------------
   6. Spacing utility classes（轻量） 
   使用方式：.m-1 .mt-2 .px-3 等
   --------------------------- */
/* margin */
.m-0 {
	margin: 0 !important;
}

.m-1 {
	margin: var(--space-1) !important;
}

.m-2 {
	margin: var(--space-2) !important;
}

.m-3 {
	margin: var(--space-3) !important;
}

.m-4 {
	margin: var(--space-4) !important;
}

.m-5 {
	margin: var(--space-5) !important;
}

/* individual margins */
.mt-0 {
	margin-top: 0 !important;
}

.mt-1 {
	margin-top: var(--space-1) !important;
}

.mt-2 {
	margin-top: var(--space-2) !important;
}

.mb-1 {
	margin-bottom: var(--space-1) !important;
}

.mb-2 {
	margin-bottom: var(--space-2) !important;
}

/* padding */
.p-0 {
	padding: 0 !important;
}

.p-1 {
	padding: var(--space-1) !important;
}

.p-2 {
	padding: var(--space-2) !important;
}

.p-3 {
	padding: var(--space-3) !important;
}

.p-4 {
	padding: var(--space-4) !important;
}

.p-5 {
	padding: var(--space-5) !important;
}

/* x / y axis */
.px-2 {
	padding-left: var(--space-2) !important;
	padding-right: var(--space-2) !important;
}

.py-2 {
	padding-top: var(--space-2) !important;
	padding-bottom: var(--space-2) !important;
}

/* shorthand for horizontal center block */
.center {
	margin-left: auto;
	margin-right: auto;
}

/* ---------------------------
   7. Buttons & link-as-button
   --------------------------- */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: var(--min-touch-size);
	min-height: var(--min-touch-size);
	padding: calc(var(--space-2)) calc(var(--space-3));
	border-radius: 6px;
	border: 1px solid transparent;
	background: var(--color-primary);
	color: #fff;
	cursor: pointer;
	text-decoration: none;
	font-weight: 600;
	transition: transform .12s ease, box-shadow .12s ease;
}

.btn:hover {
	transform: translateY(-1px);
	box-shadow: 0 6px 18px rgba(59, 130, 246, 0.12);
}

.btn:active {
	transform: translateY(0);
}

.btn.secondary {
	background: var(--color-surface);
	color: var(--color-text);
	border-color: var(--color-border);
}

/* ---------------------------
   8. Forms - inputs / labels
   --------------------------- */
.label {
	display: block;
	margin-bottom: var(--space-1);
	font-size: 0.875rem;
	color: var(--color-muted);
}

.input,
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
	width: 100%;
	padding: var(--space-2);
	border: 1px solid var(--color-border);
	border-radius: 6px;
	background: var(--color-surface);
	font-size: 1rem;
	color: var(--color-text);
}

.input:focus,
textarea:focus,
select:focus {
	border-color: var(--color-primary);
	box-shadow: 0 4px 12px rgba(59, 130, 246, 0.08);
	outline: none;
}

/* ---------------------------
   9. Small helpers
   --------------------------- */
.text-muted {
	color: var(--color-muted);
}

.text-center {
	text-align: center;
}

.text-right {
	text-align: right;
}

.hidden {
	display: none !important;
}

.visually-hidden {
	position: absolute !important;
	clip: rect(1px, 1px, 1px, 1px);
	padding: 0;
	border: 0;
	height: 1px;
	width: 1px;
	overflow: hidden;
}

/* ---------------------------
   10. Responsive adjustments（断点：tablet, mobile）
   --------------------------- */
@media (max-width: 1024px) {
	:root {
		--container-max-width: 960px;
	}

	h1 {
		font-size: 1.75rem;
	}

	/* adapt headings */
}


/* Fluid typography for very large displays */
@media (min-width: 1600px) {
	:root {
		--base-font-size: 18px;
	}
}

/* ---------------------------
   11. Print-friendly tweaks
   --------------------------- */
@media print {
	body {
		background: #fff;
		color: #000;
	}

	.no-print {
		display: none !important;
	}
}




/* footer */
.footer {
	padding: 20px 0;
	color: var(--color-muted);
	font-size: 0.875rem;
}

.dn {
	display: none;
}

.df {
	display: flex;
}

.db {
	display: block;
}

.flc {
	flex-direction: column;
}

div {
	display: flex;

}

a,
span,
p:hover {
	cursor: pointer;
}

/*头部栏目**/

.navtab {
	width: 100%;
	height: 80px;
	color: #fff;
	position: fixed;
	z-index: 9999;
	left: 0;
	top: 0;
	padding: 0 5%;

	
	justify-content: space-between;
	align-items: center;
}



.navtab.on {
	background: #fff;
	color: var(--color-text);
        box-shadow: 2px 3px 10px #e6eef6;

}
.navtab:hover .navtab{
	background: #fff;
	color: var(--color-text);
        box-shadow: 2px 3px 10px #e6eef6;
}

.logo {
	height: 50px;
	width: auto;
}

.navlist {
	font-size: 15px;

	height: 100%;
	align-items: center;
	position: relative;
	z-index: 11;


}

.navlist .nav {
	z-index: 12;
	height: 100%;
	padding: 0 15px;
	position: relative;
	align-items: center;
}

.nav-item {
	position: absolute;
	top: 79px;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	box-shadow: 2px 3px 10px #e6eef6;
	color: var(--color-text);
	width: 150px;
	left: 50%;
	margin-left: -75px;
	background: #fff;
	display: none;
}

.nav-item span {
	padding: 12px 0;
	color: #666;
}

.navlist .nav:hover .nav-item {
	display: flex;
}

.navlist .nav:hover{
  
   color: #0D47A1;
}


.sanjiao {
	position: absolute;
	top: -13px;

	width: 0;
	height: 0;
	border-left: 15px solid transparent;
	border-right: 15px solid transparent;
	border-bottom: 15px solid #fff;
}

.h100 {
	height: 100%;
padding-top:80px;
	width: 100%;
	overflow: hidden;
}

.half {
	width: 50%;
}

/*按钮渐变**/
.gradient-btn {
	position: relative;
	padding: 16px 40px;
	border-radius: 50px;
	font-size: 20px;
	font-weight: 600;
	color: var(--color-text);
	cursor: pointer;
	overflow: hidden;
	background-color: transparent;
	border: none;
	outline: none;
	z-index: 0;
	transition: color 0.3s ease;
}

/* 渐变背景伪元素 */
.gradient-btn::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	color: #fff;
	border-radius: 50px;
	background: linear-gradient(45deg, #0D47A1, #5C6BC0, #0D47A1, #64B5F6);
	background-size: 300% 300%;
	opacity: 0;
	transition: opacity 1s ease;
	z-index: -1;
}

/* 鼠标悬停效果 */
.gradient-btn:hover::before {
	opacity: 1;
	color: #fff;
	animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
	0% {
		background-position: 0% 50%;
	}

	50% {
		background-position: 100% 50%;
	}

	100% {
		background-position: 0% 50%;
	}
}

.mnav {
	position: fixed;
	right: 10px;
	color: #fff;
	z-index: 10000;
	top: 0;
	height:30px;
	justify-content: center;
	align-items: center;
	display: none;
}

.mnav svg {
	width: 30px;
	height: auto;
}

.navtab.on .mnav {
	color: var(--color-text);
}

.navtab:hover .mnav {
	color: var(--color-text);
}

.navred {
	background: #C00000;
	color: #fff !important;
}



/*底部**/
.footer {
	width: 100%;
	padding: 10px 10% 10px;
	position: relative;
	flex-direction: column;
	background: #444;
	color: #fff;
}

.footer .infocon {
	flex-direction: row;
	justify-content: space-between;
}

.footer .infocon .left {
	flex-direction: column;
	width: 30%;
}

.footer .infocon .left svg {
	width: 25px;
	height: auto;
	margin-right: 20px;
}

.footer .infocon .left .tel {
	margin-top: 15px;
}

.footer .infocon .right {
	flex-direction: row;
	width: 70%;
        justify-content:  end;
}

.footer .infocon .right .list {
	flex-direction: column;
	align-items: center;
	width: 20%;
     

}

.footer .infocon .right .list span:nth-child(1) {

	color: #fff;
}

.footer .infocon .right .list span {
	padding: 7px 0;
	color: #eee;
}

.footer .ft {


	flex-direction: row;
	justify-content: space-between;
	color: #999;
	margin-top: 20px;
}

.main {
	flex-direction: column;
}

.title-1 {
	text-align: center;
	font-size: 32px;
	font-weight: 700;
	color: #222;
	text-shadow: 2px 4px 6px rgba(0, 0, 0, 0.25);
	letter-spacing: 2px;
	margin-top: 40px;
	margin-bottom: 10px;
	justify-content: center;
	font-family: "Microsoft YaHei", sans-serif;
}

.desction-1 {
	text-align: center;
	font-size: 18px;
	color: #0D47A1;
	justify-content: center;
	text-transform: uppercase;
	letter-spacing: 3px;
	text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.15);
	margin-bottom: 40px;
	font-family: "Segoe UI", sans-serif;
}

.zhu-title {
	position: absolute;
	left: 10%;
	bottom: 20%;
	dis
}

.zhu-title .title-1 {
	color: #fff;
}

.zhu-title .desction-1 {
	color: #fff;
}

.biaoqian {
	position: absolute;
	left: 10%;
	bottom: 10px;
	width: auto;
	height: 40px;
	align-items: center;

}

.biaoqian div {
	color: #fff;
	display: inline-block;
	width: auto;
}

.biaoqian svg {
	width: 15px;
	height: auto;
	color: #fff;
	margin: 0 1px;
}


header {
	position: relative;
	text-align: center;
	height: 100vh;
	background: linear-gradient(180deg, #f8faff 0%, #ffffff 100%);
	background: url('../img/b2.png') no-repeat;
	background-size: 100% 100% !important;
	background-repeat: no-repeat !important;
	overflow: hidden;
	justify-content: center;
	align-items: center;
}

header h1 {
	position: absolute;
	width: 100%;
	top: 40%;
	left: 50%;
	/* 水平移动到父容器的中点 */
	transform: translateX(-50%);
	font-size: 5.5rem;
	letter-spacing: 20px;
	color: #fff;
	background: linear-gradient(90deg, #fff, #FFEBEE);
	-webkit-background-clip: text;
	color: transparent;
	animation: glow 1s ease-in-out infinite alternate;
}

header p {
	position: absolute;
	top: 60%;

	left: 50%;
	/* 水平移动到父容器的中点 */
	transform: translateX(-50%);
	color: #666;
	font-size: 1rem;
	margin-top: 10px;
}

@keyframes glow {
	from {
		text-shadow: 0 0 5px #FFEBEE;
	}

	to {
		text-shadow: 0 0 25px #fff;
	}
}

.titles {
	flex-direction: column;
	height: 150px;
	overflow: hidden;

}

 /* 弹出层样式（动态创建时使用） */
  .img-overlay {
    position: fixed;
    z-index: 9999;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .img-overlay img {
    width:500px;
   height: auto;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.4);
    transition: transform 0.3s ease;
  }
  .navlist .nav.on{
      color: #0D47A1;
  }
  
  
  .pagination {
      position: absolute;
      bottom: 10px;
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    gap: 6px;
  
    font-family: Arial, sans-serif;
}

.pagination button {
    padding: 6px 12px;
    border: 1px solid #ccc;
    background-color: #fff;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    background: #fff;
    color: #999;
}

.pagination button:hover:not(:disabled) {
        background: linear-gradient(90deg, #b40000, #ff3c3c);
    color: #fff;
}

.pagination button.active {
     background: linear-gradient(90deg, #b40000, #ff3c3c);
    color: #fff;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}