/* -------------------------------------------------------------------
 * Template Name         : Appinocks - App Landing Page Template
 * Theme Author Name     : Yucel Yilmaz
 * Author URI            : https://themeforest.net/user/aip_theme3434
 * Created Date          : 03 November 2019
 * Version               : 1.0
------------------------------------------------------------------- */

/* -------------------------------------------------------------------
[Table of contents]

01.Base
02.Typography
03.Helper Class
04.Animaton
05.Header
06.Hero Section
07.Services
08.About
09.Features
10.How it Works
11.Screenshots
12.Pricing
13.Testimonial Section
14.Our Team
15.Download Section
16.Latest Blog Section
17.Newsletter
18.FAQ
19.Contact Us
20.Footer
21.Breadcrumb
22.Blog Page
23.Home Page Sign Up
24.Home Page Parallax
25.Home Page Slider




24.Intro
------------------------------------------------------------------- */

/* ---------------------------------------------------------------- */
/* 01.Base
/* ---------------------------------------------------------------- */
body {
	font-size: 16px;
	font-family: "Roboto", sans-serif;
	font-weight: 400;
	overflow-x: hidden;
	overflow-y: scroll;
	position: relative;
	box-sizing: border-box;
	color: #2C3E50; /* 更新为科技感深灰蓝 */
}
ul,
ol {
	padding: 0;
	margin: 0;
	list-style: none;
}
a,
a:hover,
a:focus,
a:active,
a:visited,
a:link {
	color: inherit;
	text-decoration: none;
}
input,
input:focus,
textarea,
textarea:focus,
button,
button:focus {
	outline: none;
	resize: inherit;
}
button:focus,
button {
	border: none;
}
section {
	overflow: hidden;
	width: 100%;
}
::-moz-selection {
	background-color: #00D4FF; /* 科技蓝 */
	color: #fff;
}
::selection {
	background-color: #00D4FF; /* 科技蓝 */
	color: #fff;
}
.site-wrapper {
	position: relative;
	overflow: hidden;
}

/* ---------------------------------------------------------------- */
/* Responsive Media Query
 * Medium devices (tablets, less than 992px)
/* ---------------------------------------------------------------- */
@media only screen and (max-width: 991.98px) {
	body,
	html {
		font-size: 14px;
	}
}

/* ---------------------------------------------------------------- */
/* 02.Typography
/* ---------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
	font-family: 'Poppins', sans-serif;
	text-transform: capitalize;
	font-weight: 600;
	line-height: 1.5;
	color: #2C3E50; /* 更新为科技感深色 */
	margin: 0;
}
h1 {
	font-size: 3rem;
}
h2 {
	font-size: 2.25rem;
}
h3 {
	font-size: 2rem;
}
h4 {
	font-size: 1.625rem;
}
h5 {
	font-size: 1.375rem;
}
h6 {
	font-size: 1.125rem;
}
p {
	margin: 0;
	line-height: 28px;
}

/* ---------------------------------------------------------------- */
/* 03.Helper Class
/* ---------------------------------------------------------------- */
.section-padding {
	padding: 100px 0;
	position: relative;
}
.section-heading {
	text-align: center;
	margin-bottom: 60px;
}
.section-title {
	text-align: center;
	position: relative;
	padding: 0 0 5px;
	margin-bottom: 10px;
	font-weight: 600;
}
.section-sub-title {
	text-align: center;
	font-size: 1.125rem;
}
.section-badge {
	display: inline-block;
	margin-bottom: 10px;
	border-radius: 5px;
	font-size: 14px;
	padding: 10px 20px;
	color: #fff !important;
	background: linear-gradient(135deg, #00D4FF, #0099CC); /* 科技蓝渐变 */
	-webkit-box-shadow: 0 10px 16px 0 rgba(0, 212, 255, 0.15);
	box-shadow: 0 10px 16px 0 rgba(0, 212, 255, 0.15);
}
.new-btn {
	display: inline-block;
	overflow: hidden;
	padding: 10px 80px;
	border-radius: 5px;
	text-transform: capitalize;
	position: relative;
	color: #fff !important;
	background: linear-gradient(135deg, #00D4FF, #0066FF); /* 科技蓝渐变 */
	-webkit-transition: all 0.25s ease;
	-ms-transition: all 0.25s ease;
	-o-transition: all 0.25s ease;
	transition: all 0.25s ease;
	-webkit-box-shadow: 0 10px 20px rgba(0, 212, 255, 0.2);
	box-shadow: 0 10px 20px rgba(0, 212, 255, 0.2);
	font-size: 1.2rem;
}
.new-btn:hover {
	-webkit-box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
	box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
	background: linear-gradient(135deg, #0099CC, #003399);
	color: #fff !important;
}

.default-outline-btn {
	display: inline-block;
	overflow: hidden;
	padding: 10px 60px;
	border-radius: 5px;
	text-transform: capitalize;
	position: relative;
	color: #fff !important;
	background: #2d2d2b;
	-webkit-transition: all 0.25s ease;
	-ms-transition: all 0.25s ease;
	-o-transition: all 0.25s ease;
	transition: all 0.25s ease;
	-webkit-box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
	box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}
.default-outline-btn:hover {
	-webkit-box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
	background: #df5421;
	color: #fff !important;
}
.default-btn {
	display: inline-block;
	overflow: hidden;
	padding: 20px 40px;
	border-radius: 5px;
	text-transform: capitalize;
	position: relative;
	color: #fff !important;
	background: linear-gradient(135deg, #00D4FF, #0066FF); /* 科技蓝渐变 */
	-webkit-transition: all 0.25s ease;
	-ms-transition: all 0.25s ease;
	-o-transition: all 0.25s ease;
	transition: all 0.25s ease;
	-webkit-box-shadow: 0 10px 16px 0 rgba(0, 212, 255, 0.15);
	box-shadow: 0 10px 16px 0 rgba(0, 212, 255, 0.15);
}
.default-btn:hover {
	background: linear-gradient(135deg, #0099CC, #003399);
	-webkit-box-shadow: 0 10px 26px 0 rgba(0, 212, 255, 0.3);
	box-shadow: 0 10px 26px 0 rgba(0, 212, 255, 0.3);
}
.default-video-btn {
	display: inline-block;
	overflow: hidden;
	padding: 20px 25px;
	border-radius: 5px;
	text-transform: capitalize;
	position: relative;
	color: #00D4FF !important; /* 科技蓝 */
	background: #fff;
	margin-left: 10px;
	text-align: center;
	transition: all 0.25s linear;
	-webkit-box-shadow: 0 10px 20px rgba(0, 212, 255, 0.1);
	box-shadow: 0 10px 20px rgba(0, 212, 255, 0.1);
}
.default-video-btn:hover {
	-webkit-box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
	box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
	background: #fff;
}
.default-video-btn i {
	display: inline-block;
	position: relative;
	top: 1px;
}
.bg-blue-overlay::after {
	position: absolute;
	content: "";
	height: 100%;
	width: 100%;
	top: 0;
	left: 0;
	z-index: -1;
	opacity: 0.8;
	background-position: center;
	background: linear-gradient(135deg, #00D4FF, #003399); /* 科技蓝渐变 */
}
.item-shadow {
	-webkit-box-shadow: 0 10px 30px 0 rgba(0, 212, 255, 0.18);
	box-shadow: 0 10px 20px 0 rgba(0, 212, 255, 0.18);
	-webkit-transition: all 0.25s linear;
    -o-transition: all 0.25s linear;
    -ms-transition: all 0.25s linear;
    transition: all 0.25s linear;
}
.item-shadow:hover {
	-webkit-box-shadow: 0 10px 30px 0 rgba(0, 212, 255, 0.25);
    box-shadow: 0 15px 30px 0 rgba(0, 212, 255, 0.2);
}
.img-jump {
	-webkit-animation: imgJump 5s linear 0s infinite normal forwards;
	animation: imgJump 5s linear 0s infinite normal forwards;
}
.pt-minus-70 {
	padding-top: 70px;
}
.pt-50 {
	padding-top: 50px;
}
.scroll-top-btn {
	position: fixed;
	bottom: 0;
	right: 10px;
	width: 48px;
	height: 48px;
	line-height: 41px;
	font-size: 16px;
	text-align: center;
	opacity: 0;
	border-radius: 5px;
	visibility: hidden;
	color: #fff !important;
	background: #eb5a34;
}
.scroll-top-btn img{
	width: 50%;
}
.scroll-top-btn.active {
	opacity: 1;
	visibility: visible;
	bottom: 10px;
}

/* Preloader */
.preloader-wrap {
	position: fixed;
	width: 100%;
	height: 100%;
	z-index: 4444;
	top: 0;
	left: 0;
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	justify-content: center;
	align-items: center;
	background: #eb5923;
	flex-direction: column;
}
.preloader-wrap .preloader-inner {
	height: 100px;
	width: 100px;
	position: relative;
	margin: 0 auto;
}
 .preloader-inner .spinner {
	margin: auto;
	margin-top: -100px;
	width: 50px;
	height: 40px;
	text-align: center;
	font-size: 10px;
}
.preloader-inner .spinner > div {
	background-color: #fff;
	height: 100%;
	width: 6px;
	display: inline-block;
	-webkit-animation: spinnerDelay 1.2s infinite ease-in-out;
	animation: spinnerDelay 1.2s infinite ease-in-out;
}
.preloader-inner .spinner .rect1 {
	-webkit-animation-delay: -1.1s;
	animation-delay: -1.1s;
}
.preloader-inner .spinner .rect2 {
	-webkit-animation-delay: -1.1s;
	animation-delay: -1.1s;
}
.preloader-inner .spinner .rect3 {
	-webkit-animation-delay: -1.0s;
	animation-delay: -1.0s;
}
.preloader-inner .spinner .rect4 {
	-webkit-animation-delay: -0.9s;
	animation-delay: -0.9s;
}
.preloader-inner .spinner .rect5 {
	-webkit-animation-delay: -0.8s;
	animation-delay: -0.8s;
}
.preloader-inner .sk-circle {
	margin: 10px auto 100px auto;
	width: 10px;
	height: 10px;
	position: relative;
	background: #fff;
	border-radius: 100%;
	left: -18px;
	-webkit-animation: spinnerLoad 1.2s infinite ease-in-out;
	animation: spinnerLoad 1.2s infinite ease-in-out;
}

/* Transition All Classes */
.header,
.scroll-top-btn,
.default-btn,
.item-shadow,
.services-item,
.services-icon i::before,
.features-item .features-icon i,
.hero-video-btn,
.testimonial-slider .owl-nav span,
.team-card-img img,
.team-card-img .team-social,
.team-card-img .team-social > a,
.screenshots-slider .owl-item,
.price-toggle-wrap > a,
.price-table .price-icon i,
.blog-tags li a,
.pagination-link,
.blog-img > a > img,
.blog-item,
.footer-social-links > a,
.download-btn,
.screenshots-slider.owl-theme .owl-nav.disabled+.owl-dots .owl-dot span,
.testimonial-slider.owl-theme .owl-nav.disabled+.owl-dots .owl-dot span,
.team-social > a,
.blog-single-meta-box > a:hover {
	-webkit-transition: all 0.25s linear;
	-o-transition: all 0.25s linear;
	-ms-transition: all 0.25s linear;
	transition: all 0.25s linear;
}

/* ---------------------------------------------------------------- */
/* 04.Animaton
/* ---------------------------------------------------------------- */
@-webkit-keyframes buttonEffectRight {
	0% {
		right: -100%;
	}
	100% {
		right: 100%;
	}
}
@keyframes buttonEffectRight {
	0% {
		right: -100%;
	}
	100% {
		right: 100%;
	}
}
@keyframes imgJump {
	0% {
		-webkit-transform: translateY(0);
		transform: translateY(0);
	}
	20% {
		-webkit-transform: translateY(0);
		transform: translateY(0);
	}
	41% {
		-webkit-transform: translateY(-10px);
		transform: translateY(-10px);
	}
	50% {
		-webkit-transform: translateY(-5px);
		transform: translateY(-5px);
	}
	50% {
		-webkit-transform: translateY(-5px);
		transform: translateY(-5px);
	}
	80% {
		-webkit-transform: translateY(0px);
		transform: translateY(0px);
	}
	100% {
		-webkit-transform: translateY(0);
		transform: translateY(0);
	}
}
@-webkit-keyframes imgJump {
	0% {
		-webkit-transform: translateY(0);
		transform: translateY(0);
	}
	20% {
		-webkit-transform: translateY(0);
		transform: translateY(0);
	}
	41% {
		-webkit-transform: translateY(-10px);
		transform: translateY(-10px);
	}
	50% {
		-webkit-transform: translateY(-5px);
		transform: translateY(-5px);
	}
	50% {
		-webkit-transform: translateY(-5px);
		transform: translateY(-5px);
	}
	80% {
		-webkit-transform: translateY(0px);
		transform: translateY(0px);
	}
	100% {
		-webkit-transform: translateY(0);
		transform: translateY(0);
	}
}
@keyframes shadowPulse {
	0% {
		-webkit-box-shadow: 0 0 0 0 rgba(21, 219, 150, 0.4);
		box-shadow: 0 0 0 0 rgba(21, 219, 150, 0.4);
	}
	70% {
		-webkit-box-shadow: 0 0 0 40px rgba(21, 219, 150, 0);
		box-shadow: 0 0 0 40px rgba(21, 219, 150, 0);
	}
	100% {
		-webkit-box-shadow: 0 0 0 0 rgba(21, 219, 150, 0);
		box-shadow: 0 0 0 0 rgba(21, 219, 150, 0);
	}
}
@-webkit-keyframes shadowPulse {
	0% {
		-webkit-box-shadow: 0 0 0 0 rgba(21, 219, 150, 0.4);
		box-shadow: 0 0 0 0 rgba(21, 219, 150, 0.4);
	}
	70% {
		-webkit-box-shadow: 0 0 0 40px rgba(21, 219, 150, 0);
		box-shadow: 0 0 0 40px rgba(21, 219, 150, 0);
	}
	100% {
		-webkit-box-shadow: 0 0 0 0 rgba(21, 219, 150, 0);
		box-shadow: 0 0 0 0 rgba(21, 219, 150, 0);
	}
}
@keyframes stickyMenu {
	0% {
		margin-top: -120px;
		opacity: 0;
	}
	50% {
		margin-top: -64px;
		opacity: 0;
	}
	100% {
		margin-top: 0;
		opacity: 1;
	}
}
@keyframes preloader {
	0% {
		top: 8px;
		height: 64px;
	}
	50%,
	100% {
		top: 24px;
		height: 32px;
	}
}
@-webkit-keyframes preloader {
	0% {
		top: 8px;
		height: 64px;
	}
	50%,
	100% {
		top: 24px;
		height: 32px;
	}
}
@keyframes dashedRotate {
	0% {
		transform: rotate(0);
	}
	100% {
		transform: rotate(360deg);
	}
}
@-webkit-keyframes iconPulse {
	0%{
		-webkit-transform: scale(0.5);
		-ms-transform: scale(0.5);
		-o-transform: scale(0.5);
		transform: scale(0.5);
		opacity: 0;
	}
	50%{
		opacity: 1;
	}
	100% {
		opacity: 0;
		-webkit-transform: scale(1);
		-ms-transform: scale(1);
		-o-transform: scale(1);
		transform: scale(1);
	}
}
@keyframes iconPulse {
	0%{
		-webkit-transform: scale(0.5);
		-ms-transform: scale(0.5);
		-o-transform: scale(0.5);
		transform: scale(0.5);
		opacity: 0;
	}
	50%{
		opacity: 1;
	}
	100% {
		opacity: 0;
		-webkit-transform: scale(1);
		-ms-transform: scale(1);
		-o-transform: scale(1);
		transform: scale(1);
	}
}
@-webkit-keyframes spinnerLoad {
	1% {
		top: -15px;
	}
	2% {
		top: 10px;
	}
	5% {
		top: -20px;
	}
	10% {
		left: -10px;
	}
	20% {
	    top: -25px;
	}
	30% {
	    left: 15px;
		background:#15db95;
	}
	35% {
	    top: 5px;
	}
	45% {
	    top: -5px;
	}
	50% {
		top: -5px;
	}
	60% {
		top: -6px;
	}
	70% {
	    top: 6px;
	}
	80% {
	    top:6px;
	}
	60% {
	    top: -6px;
	}
}
@keyframes spinnerLoad {
	1% {
		top: -15px;
	}
	2% {
		top: 10px;
	}
	5% {
		top: -20px;
	}
	10% {
		left: -10px;
	}
	20% {
	    top: -25px;
	}
	30% {
	    left: 15px;
		background:#15db95;
	}
	35% {
	    top: 5px;
	}
	45% {
	    top: -5px;
	}
	50% {
		top: -5px;
	}
	60% {
		top: -6px;
	}
	70% {
	    top: 6px;
	}
	80% {
	    top:6px;
	}
	60% {
	    top: -6px;
	}
}
@-webkit-keyframes spinnerDelay {
	0%, 40%, 100% { -webkit-transform: scaleY(0.4) }
	20% { -webkit-transform: scaleY(1.0) }
}
@keyframes spinnerDelay {
	0%, 40%, 100% {
		transform: scaleY(0.4);
		-webkit-transform: scaleY(0.4);
	}
	20% {
		transform: scaleY(1.0);
		-webkit-transform: scaleY(1.0);
	}
}

/* ---------------------------------------------------------------- */
/* 05.Header
/* ---------------------------------------------------------------- */
.header {
	position: fixed;
	width: 100%;
	z-index: 555;
	padding: 30px 0;
	background: #df5421;
	transition: all 0.3s ease;
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}
.header-shrink {
	top: 0;
	left: 0;
	padding: 20px 0;
	background: rgba(223, 84, 33, 0.95);
	-webkit-box-shadow: 0px 13px 35px -12px rgba(0, 0, 0, 0.15);
	box-shadow: 0px 13px 35px -12px rgba(0, 0, 0, 0.15);
	-webkit-animation: stickyMenu 0.7s ease-in-out;
	animation: stickyMenu 0.7s ease-in-out;
}
.header .navbar {
	padding: 0;
}
.header .main-menu .navbar-nav .nav-link {
	margin: 0 0 0 20px;
	font-weight: 500;
	font-size: 13px;
	display: inline-block;
	padding: 10px 0;
	text-transform: uppercase;
	letter-spacing: 0.6px;
	opacity: 0.7;
	-webkit-transition: all 0.5s;
	-o-transition: all 0.5s;
	transition: all 0.5s;
	position: relative;
	color: #fff;
}
.header .main-menu .navbar-nav .nav-link::before {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	width: 0;
	height: 2px;
	background: #fff;
	transition: all 0.3s ease;
	transform: translateX(-50%);
}
.header .main-menu .navbar-nav .nav-link:hover::before,
.header .main-menu .navbar-nav .nav-link.active::before {
	width: 80%;
}
.header .main-menu .navbar-nav li:first-child .nav-link {
	margin-left: 0;
}
.navbar{
	justify-content: space-between;
}
.nav-login{
	color: #df5421!important;
	border: 1px solid #fff;
	padding: 3px 35px;
	border-radius: 20px;
	background: #fff;
	font-size: 18px;
}

/* 下拉菜单优化 */
.dropdown-menu {
	border: none;
	border-radius: 8px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
	padding: 10px 0;
	margin-top: 10px;
	transition: all 0.3s ease;
	opacity: 0;
	visibility: hidden;
	transform: translateY(-10px);
}

.dropdown:hover .dropdown-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.dropdown-item {
	padding: 10px 20px;
	transition: all 0.2s ease;
	border-left: 3px solid transparent;
}

.dropdown-item:hover {
	background: #f8f9fa;
	border-left-color: #0033CC;
	color: #0033CC;
	transform: translateX(5px);
}

/* 移动端导航优化 */
.navbar-toggler {
	border: none;
	padding: 4px 8px;
	border-radius: 4px;
	transition: all 0.3s ease;
}

.navbar-toggler:focus {
	box-shadow: none;
}

.navbar-toggler-icon {
	background-image: none;
	width: 24px;
	height: 2px;
	background: #fff;
	border-radius: 2px;
	position: relative;
	transition: all 0.3s ease;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
	content: '';
	position: absolute;
	width: 24px;
	height: 2px;
	background: #fff;
	border-radius: 2px;
	transition: all 0.3s ease;
}

.navbar-toggler-icon::before {
	top: -8px;
}

.navbar-toggler-icon::after {
	bottom: -8px;
}

/* 汉堡菜单动画 */
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
	background: transparent;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
	transform: rotate(45deg);
	top: 0;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
	transform: rotate(-45deg);
	bottom: 0;
}

@media only screen and (max-width: 991.98px) {
	.header .container,
	.header,
	.header ul li {
		padding: 0;
	}
	.header .container {
		max-width: 100%;
	}
	.header .main-menu {
		background: #df5421;
	}
	.header .main-menu .navbar-nav .nav-link {
		margin: 0;
		display: block;
		padding: 12px 20px;
		color: #fff;
	}
	.header .main-menu .navbar-nav .nav-link:not(.active):hover,
	.header .main-menu .navbar-nav .nav-link.active {
		background: rgba(255, 255, 255, 0.15);
		color: #fff;
	}
	.header .main-menu .navbar-nav .nav-link::after {
		display: none;
	}
	.navbar-brand {
		padding: 20px 0 20px 20px;
	}
	
	.navbar-collapse {
		background: rgba(223, 84, 33, 0.98);
		border-radius: 8px;
		margin-top: 10px;
		padding: 20px;
		box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
		max-height: 70vh;
		overflow-y: auto;
	}
	
	.navbar-nav .nav-link {
		padding: 12px 0;
		border-bottom: 1px solid rgba(255, 255, 255, 0.1);
		margin: 0;
	}
	
	.navbar-nav .nav-link:last-child {
		border-bottom: none;
	}
	
	.dropdown-menu {
		position: static;
		float: none;
		width: auto;
		margin-top: 0;
		background: rgba(255, 255, 255, 0.1);
		border-radius: 4px;
		box-shadow: none;
		opacity: 1;
		visibility: visible;
		transform: none;
	}
	
	.dropdown-item {
		color: #fff;
		border-left: none;
		padding-left: 30px;
	}
	
	.dropdown-item:hover {
		background: rgba(255, 255, 255, 0.1);
		color: #fff;
		transform: none;
	}
}

/* ---------------------------------------------------------------- */
/* 06.Hero Section
/* ---------------------------------------------------------------- */
.hero-section {
	position: relative;
	height: 718px;
	padding-top: 100px;
	background-repeat: no-repeat;
	z-index: 42;
	background: #eb5923;
	background-image: url('/img/top-bg.png');
	background-size: cover;
}
.hero-section::after {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
}
.hero-section-title {
	margin-bottom: 40px;
	line-height: 1.2;
	color: #fff;
}
.hero-section-subtitle {
	margin: 0 0 40px;
	font-size: 1rem;
	opacity: 0.85;
	color: #fff;
}
.hero-section-title{
	font-size: 3.5rem;
}
/* Hero Button Group */
.down-scroll {
	cursor: pointer;
	color: #15db95 !important;
	background: #fff;
	text-align: center;
	font-size: 16px;
	position: absolute;
	left: 50%;
	z-index: 15;
	border-radius: 5px;
	bottom: 25px;
	width: 48px;
	height: 48px;
	line-height: 48px;
	-webkit-transform: translateX(-50%);
	-moz-transform: translateX(-50%);
	-ms-transform: translateX(-50%);
	transform: translateX(-50%);
	-webkit-box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
	box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}
.hero-image-box{
	margin:20px;
	background-image: url("/img/phone-border2.png");
	background-size: cover;
	background-repeat: no-repeat;
	height: 510px;
	width: 100%;
}
.hero-image-box video{
	width: 100%;
	height: 100%;
	padding: 12px;
	border-radius: 38px;
}
.hero-image-1{
	padding-top: 200px;
}
.hero-image-2{
	padding-top: 60px;
}
/* ---------------------------------------------------------------- */
/* Responsive Media Query
 * Medium devices (tablets, less than 992px)
/* ---------------------------------------------------------------- */
@media only screen and (max-width: 991.98px) {
	.hero-section .hero-image {
		display: none;
	}
	.hero-section, .hero-section-2, .parallax-bg {
		text-align: center;
		background-position: 100% 0;
	}
	.hero-section .container .row, .hero-section-2 .container .row, .parallax-bg  .container .row {
		justify-content: center !important;
	}
	.hero-section-subtitle {
		font-size: 1rem;
	}
}

/* ------------------------------------------------------------- */
/* Responsive Media Query
 * Extra small devices (portrait phones, less than 576px)
/* ---------------------------------------------------------------- */
@media only screen and (max-width: 575.98px) {
	.hero-section-title {
		font-size: 2rem;
	}
	section .button-group-hero {
		display: none !important;
	}
	.hero-section, .hero-section-2, .parallax-bg {
		height: 450px !important;
	}
	.hero-section, .hero-section-2, .parallax-bg {
		background-position: 100% 0;
	}
}

.services{
	background-color: #f2f2f2;
}
.services-btn-box{
	text-align: center;
	margin-top: 30px;
}
/* ---------------------------------------------------------------- */
/* 07.Services
/* ---------------------------------------------------------------- */
.services-item {
	padding: 30px;
	position: relative;
	border-radius: 10px;
	text-align: center;
}
.services-item .services-icon {
	display: inline-block;
	height: 90px;
	width: 90px;
	margin-bottom: 20px;
	text-align: center;
	font-size: 40px;
	line-height: 90px;
	border-radius: 10px;
	color: #fff;
}
.services-icon img {
	width: 100%;
}
.services-body h5 {
	margin-top: 20px;
	margin-bottom: 10px;
}
.services-body p {
	margin-bottom: 20px;
}
.services-body + .services-link {
		display: inline-block;
		border-radius: 5px;
		font-size: 14px;
		padding: 10px 20px;
		color: #fff !important;
		background: #15db95;
		-webkit-box-shadow: 0 10px 16px 0 rgba(21, 219, 150, 0.15);
		box-shadow: 0 10px 16px 0 rgba(21, 219, 150, 0.15);
		-webkit-transition: all 0.25s linear;
		transition: all 0.25s linear;
}
.services-body + .services-link:hover {
	background: #12bd81;
}


/* ---------------------------------------------------------------- */
/* Responsive Media Query
 * Medium devices (tablets, less than 992px)
/* ---------------------------------------------------------------- */
@media only screen and (max-width: 991.98px) {
	.services-resp-margin:nth-child(3) {
		margin-top: 30px;
	}
}

/* ---------------------------------------------------------------- */
/* Responsive Media Query
 * Extra small devices (portrait phones, less than 576px)
/* ---------------------------------------------------------------- */
@media only screen and (max-width: 575.98px) {
	.services-resp-margin {
		margin-top: 30px;
	}
	.services-resp-margin:first-child {
		margin-top: 0;
	}
}


.how-it-works-section {
	position: relative;
}
.how-it-works-bg {
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: #f2f2f2;
}
/* How it works inner */
.how-it-works-inner {
	margin-bottom: 100px;
}
.how-it-works-inner > h3 {
	margin-bottom: 15px;
}
.how-it-works-inner  p {
	margin-bottom: 40px;
	color: #fff;
	opacity: 0.85;
}

/* How it works video */
.how-it-work-video {
	position: relative;
}
.how-it-works-video-btn {
	position: absolute;
	text-align: center;
	height: 80px;
	width: 80px;
	line-height: 80px;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	border-radius: 50%;
	cursor: pointer;
	font-size: 40px;
	background: #15db95;
	color: #fff !important;
	-webkit-animation: shadowPulse 2s linear infinite;
	animation: shadowPulse 2s linear infinite;
	-webkit-box-shadow: 0 0 0 10px rgba(21, 219, 150, 0.4);
	box-shadow: 0 0 0 10px rgba(21, 219, 150, 0.4);
}

/* How it work process */
.how-it-work-item {
	padding: 0;
	margin: 0 10px;
}
.how-it-work-number {
	position: relative;
	z-index: 52;
	margin-bottom: 40px;
}
.how-it-work-item .how-it-work-number::before {
	content: "";
	position: absolute;
	top: 50%;
	right: -50%;
	width: 100%;
	transform: translateY(-50%);
	box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.15);
	z-index: -7;
	border:2px dashed #eb5a34;
}
.how-it-work-item:last-child .how-it-work-number::before {
	display: none;
}
.how-it-work-number > a > span {
	text-align: center;
	height: 80px;
	width: 80px;
	display: inline-block;
	line-height: 80px;
	border-radius: 50%;
	cursor: pointer;
	font-size: 26px;
	color: #000;
	background: #fff;
	font-weight: 500;
	transition: all 0.2s linear;
	box-shadow: 0 0 0 10px #f38259,0 0 0 20px #eb5a34;
}
.how-it-work-item.active a > span {
	/*color: #fff !important;*/
	font-family: "Poppins",sans-serif;
	background-position: center;
    background: #fff;
}
.how-it-work-item:hover .how-it-work-number > a > span {
	background: #fff;
	/*color: #000 !important;*/
}
.how-it-work-item h6 {
	font-size: 20px;
	margin-bottom: 10px;
	color:#eb5a34;
}
.how-it-work-text p {
	color: #fff;
	opacity: 0.85;
}
.how-it-work-text {
	padding-left: 15px;
	padding-right: 15px;
}
@media only screen and (max-width: 991.98px) {
	.how-it-work-item:nth-child(1),
	.how-it-work-item:nth-child(2) {
		margin-bottom: 50px;
	}
	.how-it-work-item:nth-child(2) .how-it-work-number::before {
		display: none;
	}
}

/* ---------------------------------------------------------------- */
/* Responsive Media Query
 * Extra small devices (portrait phones, less than 576px)
/* ---------------------------------------------------------------- */
@media only screen and (max-width: 575.98px) {
	.how-it-work-item {
		margin-bottom: 30px;
	}
	.how-it-work-item .how-it-work-number::before {
		display: none !important;
	}
	.how-it-work-item:last-child {
		margin-bottom: 0;
	}
}

.price-toggle-wrap {
	text-align: center;
	margin-bottom: 60px;
	/*display: inline-block;*/
	margin: 0 auto 60px auto;
	padding: 10px;
	width: 100%;
	display: flex;
	justify-content: space-between;
	padding-left:20px;
}
.pricing-tab-content {
	display: none;
	padding-left:20px;
	padding-top:20px;
}
.pricing-tab-content.active {
	display: block;
}
.price-toggle-wrap > a {
	padding: 14px 12px;
	float: left;
	margin-right: 10px;
	background-position: center;
	position: relative;
	overflow: hidden;
    color: #000;
	font-size: 1.2rem;
	font-weight: bold;
}
.price-toggle-wrap > a.active {
	background-position: center;
	border-bottom: 3px solid #000;
}

/* Price Table */
.price-table {
	border-radius: 5px;
	padding: 40px 0;
	background: #fff;
}
.price-table-active .price-table {
	background: #0033CC;
	-webkit-box-shadow: 0 10px 16px 0 rgba(0, 51, 204, 0.15);
	box-shadow: 0 10px 16px 0 rgba(0, 51, 204, 0.15);
}
.price-table-active .price-icon span  {
    background: #fff;
	color: #0033CC;
}
.price-table-active h4, .price-table-active li,
.price-table-active .price-body > ul > li::before,
.price-table-active .price-table h5 {
	color: #fff !important;
}
.price-table .price-header, .price-body, .price-btn-wrap {
	padding: 0 30px;
}
.price-btn-wrap {
	text-align: center;
}
.price-table .price-header h4 {
	font-size: 1.4rem;
	text-transform: capitalize;
	margin-bottom: 8px;
}
.price-icon span {
	height: 80px;
	width: 80px;
	text-align: center;
	display: block;
	font-size: 40px;
	border-radius: 5px;
	line-height: 80px;
	background: #0033CC;
	color: #fff;
	-webkit-transition: all 0.25s linear;
	transition: all 0.25s linear;
	-webkit-box-shadow: 0 10px 16px 0 rgba(0, 51, 204, 0.15);
	box-shadow: 0 10px 16px 0 rgba(0, 51, 204, 0.15);
}
.price-table .price-value h5 {
	font-size: 2rem;
}
.price-table h5 > sub {
	vertical-align: initial;
	bottom: 0;
}
.price-body {
	border-top: 1px solid rgba(0, 0, 0, 0.062);
	margin: 40px 0;
	padding-top: 30px;
	padding-bottom: 30px;
	border-bottom: 1px solid rgba(0, 0, 0, 0.062);
}
.price-table-active .price-body {
	border-top: 1px solid rgba(255, 255, 255, 0.2);
	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.price-table-active .price-table .price-body > ul > li::after {
	color: #fff;
}
.price-table .price-body > ul {
	text-align: left;
}
.price-table .price-body > ul > li {
	margin-bottom: 15px;
}
.price-table .price-body > ul > li::before {
	content: "\f0da";
	font-family: "Font Awesome 5 Free";
	font-weight: 600;
	margin-right: 15px;
	color: #15db95;
}
.price-table .price-body > ul > li::after {
	content: "\f00c";
	font-family: "Font Awesome 5 Free";
	font-weight: 600;
	color: #15db95;
	float: right;
}
.price-table .price-body > ul > li:last-child {
	margin-bottom: 0;
}
.price-table .default-btn {
	display: block;
}

.price-table-active .default-btn {
	background: #fff;
	color: #0033CC !important;
}
.price-table-margin h6{
	color:#2d2d2b;
}
/* ---------------------------------------------------------------- */
/* Responsive Media Query
 * Medium devices (tablets, less than 992px)
/* ---------------------------------------------------------------- */
@media only screen and (max-width: 991.98px) {
	.price-table-margin {
		margin-bottom: 50px;
	}
}

/* ---------------------------------------------------------------- */
/* 13.Testimonial Section
/* ---------------------------------------------------------------- */
.testimonial-section {
	background-color: #fefefe;
	position: relative;
}
.testimonial-section .section-title::after,
.testimonial-section .section-title::before {
	background: #fff;
}
.testimonial-section .section-sub-title {
	opacity: 0.9;
}
.testimonial-section .section-heading{
	margin-bottom: 20px;
}
.testimonial-item {
	padding: 60px 30px;
	background: #fff;
	position: relative;
	border-radius: 20px;
	/*box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.2);*/
	margin: 60px 20px;
	display: flex;
}
/*.testimonial-item::before {*/
/*	content: '';*/
/*	position: absolute;*/
/*	bottom: -15px;*/
/*	left: 50%;*/
/*	width: 90%;*/
/*	height: 15px;*/
/*	background: #fff;*/
/*	box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.2);*/
/*	transform: translateX(-50%);*/
/*	border-radius: 0 0 5px 5px;*/
/*	z-index: -7;*/
/*}*/

.testimonial-text{
	margin-bottom: 50px;
}
.testimonial-text p {
	font-style: italic;
	line-height: 30px;
}
.testimonial-text span{
	color:#eb5923;
	font-size: 18px;
}

.testimonial-img {
	flex: 0 0 100px;
}
.testimonial-body {
	margin-bottom: 10px;
}
.testimonial-body img {
	width: inherit !important;
	border-radius: 5px;
	display:inline-block !important;
	text-align: center;
}
.testimonial-body h2{
	color: #eb5923;
}
.testimonial-inner .line{
	height: 8px;
	background-color: #a3a3a3;
	border-radius: 10px;
	width: 60px;
}
/* Owl Carousel */
.testimonial-section .testimonial-slider .owl-dots {
	margin-top: 20px !important;
}
.testimonial-section .owl-theme .owl-dot span {
    width: 100px;
    height: 8px;
    border-radius: 10px;
    border-color: #fff;
    background-size: cover;
    background: #d1d1d1;
    opacity: 0.5;
    -webkit-transition: all 0.25s linear;
	transition: all 0.25s linear;
	margin:5px 0;
}
.testimonial-section .owl-theme .owl-dot.active span {
	width: 100px;
    opacity: 1 !important;
	background: #000;
}
.testimonial-left-img{
	position: absolute;
	z-index: 9999;
	top: -115px;
	width: 90%!important;
}
/* Testimonial Counters */
.counters {
	padding-top: 100px;
}
.counter-body .counter{
	color: #eb5923;
	font-size: 4rem;
	margin-right: 10px;
}
.counter-icon {
	position: relative;
	display: inline-block;
	font-size: 50px;
	width: 100px;
	height: 100px;
	line-height: 100px;
	display: inline-block;
	text-align: center;
	color: #fff;
	border-radius: 50%;
	margin-bottom: 30px;
}
.counter-box{
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 24px;
	white-space: nowrap;
}
.counter-box h1{
	color: #eb5923;
}
.counter-icon,
.counter-body p, .counter-body h2 {
	color: #3b3b39;
}
.counter-body p {
	opacity: 0.85;
}
.counter-icon::after,
.counter-icon::before {
	content: "";
	display: block;
	position: absolute;
	border-radius: 50%;
	border:1px solid #fff;
	left: -20px;
	right: -20px;
	top: -20px;
	bottom: -20px;
	opacity: 0;
	animation: iconPulse 1s linear infinite;
}
.counter-icon::after {
	animation-delay: 0.5s;
}

/* ---------------------------------------------------------------- */
/* Responsive Media Query
 * Medium devices (tablets, less than 992px)
/* ---------------------------------------------------------------- */
@media only screen and (max-width: 991.98px) {
	.counters-item:nth-child(1),
	.counters-item:nth-child(2) {
		margin-bottom: 50px;
	}
}

/* ---------------------------------------------------------------- */
/* Responsive Media Query
 * Extra small devices (portrait phones, less than 576px)
/* ---------------------------------------------------------------- */
@media only screen and (max-width: 575.98px) {
	.counters-item {
		margin-bottom: 30px;
	}
	.counters-item:last-child {
		margin-bottom: 0;
	}
}

@media only screen and (max-width: 767.98px) {
	.team-card-margin {
		margin-top: 30px !important;
	}
	.team-card-margin:nth-child(1) {
		margin-top: 0 !important;
	}
}
.empty-form span {
	background: #f8d7da;
	color: #721c24;
	display: block;
	padding: 20px;
	margin-bottom: 10px;
}
.success-form span {
	background: #e8eafd;
	color: #0033CC;
	display: block;
	padding: 20px;
	margin-bottom: 10px;
}
.email-invalid span {
	background: #f8e2e4;
	color: #721c24;
	display: block;
	padding: 20px;
	margin-bottom: 10px;
}

.footer {
	background: #303030;
}
.footer-top {
    background-image: url("/img/map.png");
    background-position: top center;
    background-repeat: no-repeat;
	background-size: contain;
    padding: 30px;
}
.footer-box{
	color: #d1d1d1;
}
.footer-box .row{
	margin: 40px 0;
}

.footer-box .row div span{
	font-size: 20px;
	font-weight: bold;
}
.footer-box .wechat-bg{
	background: rgba(0,0,0,0.3);
	padding: 20px;
}
.footer-box .col-10{
	white-space: nowrap;
}
	/* Copyright */
.copyright {
	padding: 25px 0;
	background: #0b0b0b;
	color: #fff;
    opacity: 0.75;
}

@media only screen and (min-width: 1300px) {
	.hero-section-title{
		margin-top: 80px;
	}
}


@media only screen and (max-width: 991.98px) {
	.footer-widget {
		margin-bottom: 30px;
	}
	.footer-widget:nth-child(3),
	.footer-widget:nth-child(4) {
		margin-bottom: 0;
	}
}

.pic-box{
	display: flex;
	flex-direction: row;
	justify-content: center;
	align-items: center;
	position: absolute;
	top: -150px;
}
.pic-box .btn-prev a,.btn-next a{
	padding: 11px 20px;
	vertical-align: middle;
	border-radius: 50%;
	background-color: #e9e9e9;
	font-weight: bold;
	font-size: 1.5rem;
	line-height: 1.5rem;
}
.carousel-btn-box{
	background-color: #000;
	color: #fff;
	padding: 8px 22px;
	font-size: 1.2rem;
	border-radius: 2rem;
	margin: 100px 0 20px 0;
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.carousel-btn-box a{
	padding: 8px 25px;
	white-space: nowrap;
	/*display:inline-block;*/
}
.carousel-btn-box .active{
	background-color: #fff;
	color: #000;
	border-radius: 2rem;
}
.services-advantage .services-item{
	text-align: left;
	border-radius: 22px;
}
.services-advantage .services-item .services-body{
	height: 160px;
}
.services-advantage .services-btn-box{
	margin-top:100px;
}
.case-counter{
	display: flex;
	justify-content: center;
	align-items: center;
	margin-bottom: 20px;
}
.case-body{
	padding-left:80px;
}
.types-img-box{
	background-image: url("/img/phone-border2.png");
	background-size: cover;
	background-repeat: no-repeat;
	height: 510px;
	width: 100%;
}
.types-img-box div{
	display: none;
}
.types-img-box .active{
	display: inline-block;
}
.types-img-box img{
	height: 100%;
	padding: 20px;
	border-radius: 30px;
}
.types-img-class{
	display:none;
}
.contact{
	background-image: url("/img/contact-bg.png");
	background-size: cover;
	background-repeat: no-repeat;
}
.contact-box{
	background-color: #fff;
	padding:30px 60px;
	border-radius: 5px;
}
.contact-box .row{
	padding: 20px 0;
	border-bottom: 1px solid #ebebed;
}
.contact-box .text-left{
	padding: 0;
}
.contact-box input{
	border: none;
	width: 100%;
}
@media only screen and (max-width: 575.98px) {
	.footer-widget {
		margin-bottom: 30px !important;
	}
	.footer-widget:nth-child(4) {
		margin-bottom: 0 !important;
	}
	.pic-box{
		position: relative;
		top: 0;
	}
	.services-btn-box{
		text-align: center!important;
	}
	.carousel-btn-box{
		margin: 10px 0 20px 0;
	}
	.case-counter{
		display: block;
	}
	.testimonial-item{
		display: block;
	}
	.testimonial-left-img{
		position: relative;
		top:0;
	}
	.footer-box .col-10{
		white-space: normal;
	}
	.footer-top{
		background-size: cover;
	}
	.carousel-btn-box{
		flex-wrap: wrap;
		justify-content: space-around;
	}
	.navbar{
		justify-content: center;
	}
	.navbar-brand{
		max-width: 60%;
		padding-left:5px;
	}
	.navbar-brand img{
		width: 100%;
	}
}


/* ========================================
   全站导航系统优化 - Enhanced Navigation System
   ======================================== */

/* 基础导航增强 */
.header {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header.header-scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

/* 导航链接动画效果 */
.navbar-nav .nav-link {
    position: relative;
    overflow: hidden;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #ff6b35, #f7931e);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::before,
.navbar-nav .nav-link.active::before {
    width: 80%;
}

/* 下拉菜单优化 */
.dropdown-menu {
    border: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 10px 0;
    margin-top: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    padding: 8px 20px;
    transition: all 0.2s ease;
    border-radius: 4px;
    margin: 2px 8px;
}

.dropdown-item:hover {
    background: linear-gradient(90deg, #ff6b35, #f7931e);
    color: white;
    transform: translateX(5px);
}

/* 移动端导航优化 */
.navbar-toggler {
    border: none;
    padding: 4px 8px;
    transition: all 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: none;
    position: relative;
    width: 24px;
    height: 2px;
    background: #333;
    transition: all 0.3s ease;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: #333;
    transition: all 0.3s ease;
}

.navbar-toggler-icon::before {
    top: -8px;
}

.navbar-toggler-icon::after {
    bottom: -8px;
}

.navbar-toggler.collapsed .navbar-toggler-icon {
    background: transparent;
}

.navbar-toggler.collapsed .navbar-toggler-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.navbar-toggler.collapsed .navbar-toggler-icon::after {
    transform: rotate(-45deg);
    bottom: 0;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background: white;
        border-radius: 8px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        margin-top: 15px;
        padding: 20px;
        animation: fadeInDown 0.3s ease;
    }
    
    .navbar-nav .nav-link {
        padding: 12px 0;
        border-bottom: 1px solid #f0f0f0;
        margin-bottom: 5px;
    }
    
    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
    
    .dropdown-menu {
        position: static;
        float: none;
        width: auto;
        margin-top: 0;
        background: #f8f9fa;
        box-shadow: none;
        border-radius: 4px;
        opacity: 1;
        visibility: visible;
        transform: none;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 面包屑导航 */
.breadcrumb-nav {
    background: #f8f9fa;
    padding: 15px 0;
    margin-bottom: 30px;
}

.breadcrumb {
    background: transparent;
    margin-bottom: 0;
    padding: 0;
}

.breadcrumb-item {
    font-size: 14px;
    color: #666;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '>';
    color: #999;
    margin: 0 8px;
}

.breadcrumb-item.active {
    color: #ff6b35;
    font-weight: 500;
}

.breadcrumb-item a {
    color: #666;
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: #ff6b35;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

/* 页面加载动画 */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.page-loader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #ff6b35;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 响应式优化 */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 16px;
    }
}

/* 无障碍优化 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.navbar-nav .nav-link:focus,
.btn:focus,
.dropdown-item:focus {
    outline: 2px solid #ff6b35;
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .header,
    .back-to-top,
    .page-loader {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
}

/* 性能优化 */
* {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

.header,
.back-to-top,
.dropdown-menu {
    will-change: transform;
}