<style>
:root {
--primary: #309bd1;
--secondary: #19A0F5;
--dark: #333;
--light: #f5f7fa;
--gray: #666;
--light-gray: #eee;
}
body {
margin: 0;
padding: 0;
font-family: "Microsoft YaHei", sans-serif;
color: var(--dark);
background-color: #fff;
scroll-behavior: smooth;
overflow-x: hidden;
}
.mar_1200 {
width: 100%;
max-width: 1200px;
margin: 0 auto;
padding: 0 20px;
box-sizing: border-box;
}
.header {
background-color: #fff;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 1000;
transition: all 0.3s ease;
}
.header.scrolled {
background-color: rgba(255, 255, 255, 0.95);
box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.logo {
float: left;
padding: 10px 0;
}
.logo img {
height: 55px;
object-fit: contain;
transition: transform 0.3s ease;
}
.header.scrolled .logo img {
height: 50px;
}
.nav_box {
float: right;
}
.nav_box ul {
list-style: none;
margin: 0;
padding: 0;
}
.nav_box li {
float: left;
position: relative;
}
.nav_box a {
display: block;
padding: 25px 20px;
color: var(--dark);
text-decoration: none;
font-size: 16px;
transition: all 0.3s;
position: relative;
overflow: hidden;
}
.nav_box a::before {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
transition: left 0.5s;
}
.nav_box a:hover::before {
left: 100%;
}
.nav_box a:hover, .nav_box a.active {
color: #fff;
background-color: var(--primary);
}
.header.scrolled .nav_box a {
padding: 22px 20px;
}
.banner {
min-height: 500px;
padding: 150px 20px 120px;
background: linear-gradient(135deg, #309bd1 0%, #19A0F5 100%);
color: #fff;
text-align: center;
position: relative;
overflow: hidden;
box-sizing: border-box;
}
.banner::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
animation: move 20s linear infinite;
opacity: 0.3;
}
@keyframes move {
0% { background-position: 0 0; }
100% { background-position: 600px 600px; }
}
.banner h1 {
font-size: clamp(2.5rem, 5vw, 3rem);
margin-bottom: 20px;
opacity: 0;
transform: translateY(30px);
animation: fadeUp 1s forwards 0.3s;
}
.banner p {
font-size: clamp(1rem, 2vw, 1.25rem);
max-width: 700px;
margin: 0 auto 30px;
line-height: 1.6;
opacity: 0;
transform: translateY(30px);
animation: fadeUp 1s forwards 0.6s;
}
.btn {
display: inline-block;
padding: 12px 30px;
background-color: #fff;
color: var(--primary);
text-decoration: none;
border-radius: 4px;
font-weight: bold;
transition: all 0.3s;
position: relative;
overflow: hidden;
z-index: 1;
}
.btn::after {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background-color: rgba(0,0,0,0.05);
transition: all 0.3s ease;
z-index: -1;
}
.btn:hover {
background-color: var(--light);
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.btn:hover::after { left: 100%; }
.banner .btn {
opacity: 0;
transform: translateY(30px);
animation: fadeUp 1s forwards 0.9s;
}
@keyframes fadeUp {
to { opacity: 1; transform: translateY(0); }
}
.module-section {
padding: 80px 0;
background-color: var(--light);
}
.section-title {
text-align: center;
margin-bottom: 60px;
}
.section-title h2 {
font-size: clamp(1.5rem, 3vw, 2rem);
margin-bottom: 15px;
position: relative;
display: inline-block;
}
.section-title h2::after {
content: '';
position: absolute;
bottom: -10px;
left: 50%;
transform: translateX(-50%);
width: 60px;
height: 3px;
background-color: var(--primary);
transition: width 0.3s ease;
}
.section-title:hover h2::after { width: 100px; }
.section-title p {
color: var(--gray);
max-width: 700px;
margin: 0 auto;
}
.module-cards {
display: flex;
flex-wrap: wrap;
gap: 2%;
}
.module-card {
width: calc(25% - 1.5%);
background-color: #fff;
border-radius: 8px;
box-shadow: 0 5px 15px rgba(0,0,0,0.05);
overflow: hidden;
transition: all 0.3s;
margin-bottom: 30px;
position: relative;
opacity: 1;
}
.module-card::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(135deg, rgba(48,155,209,0.1) 0%, rgba(25,160,245,0.1) 100%);
opacity: 0;
transition: opacity 0.3s ease;
z-index: 1;
}
.module-card:hover::before { opacity: 1; }
.module-card.animate {
animation: fadeInUp 0.6s ease forwards;
opacity: 0;
}
@keyframes fadeInUp {
from { opacity: 0; transform: translateY(30px); }
to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 992px) {
.module-card { width: calc(50% - 1%); }
}
@media (max-width: 576px) {
.module-card { width: 100%; }
}
.module-card:hover {
transform: translateY(-10px);
box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
.module-card-img {
position: relative;
width: 100%;
height: 0;
padding-bottom: 75%;
overflow: hidden;
}
.module-card-img img {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
object-fit: cover;
transition: all 0.5s;
opacity: 0;
}
.module-card-img img.loaded {
opacity: 1;
transition: opacity 0.5s ease;
}
.module-card:hover .module-card-img img { transform: scale(1.1); }
.module-card-content {
padding: 25px;
display: flex;
flex-direction: column;
flex-grow: 1;
position: relative;
z-index: 2;
}
.module-card-content .btn {
margin-top: auto;
align-self: center;
}
.module-card { display: flex; flex-direction: column; }
.module-card h3 {
color: var(--primary);
margin: 0 0 15px 0;
}
.module-card ul {
padding-left: 20px;
margin-bottom: 20px;
}
.module-card li {
margin-bottom: 8px;
color: var(--gray);
}
.feature-section { padding: 80px 0; }
.feature-grid {
display: flex;
flex-wrap: wrap;
gap: 4%;
}
.feature-item {
width: calc(50% - 2%);
margin-bottom: 40px;
display: flex;
align-items: flex-start;
opacity: 0;
transform: translateY(30px);
transition: all 0.6s ease;
}
.feature-item.visible {
opacity: 1;
transform: translateY(0);
}
@media (max-width: 768px) {
.feature-item { width: 100%; }
}
.feature-icon {
width: 80px;
height: 80px;
background-color: var(--light);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
margin-right: 20px;
flex-shrink: 0;
transition: all 0.3s ease;
position: relative;
overflow: hidden;
}
.feature-icon::after {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(135deg, rgba(48,155,209,0.2) 0%, rgba(25,160,245,0.2) 100%);
opacity: 0;
transition: opacity 0.3s ease;
}
.feature-item:hover .feature-icon::after { opacity: 1; }
.feature-item:hover .feature-icon {
background-color: var(--primary);
transform: scale(1.1) rotate(5deg);
}
.icon-img-container {
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
overflow: hidden;
}
.feature-icon img {
width: 100%;
height: 100%;
object-fit: cover;
object-position: center;
min-width: 40px;
min-height: 40px;
transition: all 0.3s ease;
}
.feature-item:hover .feature-icon img { filter: brightness(100); }
.feature-content h3 {
margin: 0 0 10px 0;
transition: color 0.3s ease;
}
.feature-item:hover .feature-content h3 { color: var(--primary); }
.feature-content p {
color: var(--gray);
line-height: 1.6;
}
.cta-section {
background-color: var(--primary);
color: #fff;
padding: 80px 20px;
text-align: center;
position: relative;
overflow: hidden;
}
.cta-section::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.1) 0%, transparent 40%),
radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 40%);
animation: pulse 15s infinite;
}
@keyframes pulse {
0% { transform: scale(1); }
50% { transform: scale(1.1); }
100% { transform: scale(1); }
}
.cta-section h2 {
font-size: clamp(1.5rem, 3vw, 2rem);
margin-bottom: 20px;
position: relative;
}
.cta-section p {
font-size: clamp(1rem, 2vw, 1.125rem);
max-width: 700px;
margin: 0 auto 30px;
position: relative;
}
.cta-section .btn {
background-color: #fff;
color: var(--primary);
position: relative;
}
.footer {
background-color: #333;
color: #ccc;
padding: 60px 0 30px;
}
.footer-content {
display: flex;
flex-wrap: wrap;
gap: 20px;
margin-bottom: 40px;
}
.footer-col {
width: calc(25% - 15px);
transition: transform 0.3s ease;
}
.footer-col:hover { transform: translateY(-5px); }
@media (max-width: 768px) {
.footer-col { width: calc(50% - 10px); }
}
@media (max-width: 576px) {
.footer-col { width: 100%; }
}
.footer-col h4 {
color: #fff;
margin: 0 0 20px 0;
font-size: 18px;
position: relative;
display: inline-block;
}
.footer-col h4::after {
content: '';
position: absolute;
bottom: -5px;
left: 0;
width: 0;
height: 2px;
background-color: var(--primary);
transition: width 0.3s ease;
}
.footer-col:hover h4::after { width: 100%; }
.footer-col ul {
list-style: none;
padding: 0;
margin: 0;
}
.footer-col li { margin-bottom: 10px; }
.footer-col a {
color: #ccc;
text-decoration: none;
position: relative;
padding-left: 0;
transition: padding-left 0.3s ease, color 0.3s ease;
}
.footer-col a::before {
content: '→';
position: absolute;
left: -15px;
opacity: 0;
transition: opacity 0.3s ease, left 0.3s ease;
}
.footer-col a:hover {
color: var(--primary);
padding-left: 5px;
}
.footer-col a:hover::before {
opacity: 1;
left: -10px;
}
.copyright {
text-align: center;
padding-top: 30px;
border-top: 1px solid #444;
transition: color 0.3s ease;
}
.copyright:hover { color: #fff; }
.clearfix::after {
content: "";
display: table;
clear: both;
}
@media (max-width: 992px) {
.nav_box a {
padding: 25px 12px;
font-size: 14px;
}
.header.scrolled .nav_box a { padding: 22px 12px; }
}
@media (max-width: 768px) {
.header .mar_1200 {
display: flex;
flex-direction: column;
align-items: center;
}
.logo, .nav_box { float: none; }
.nav_box li {
float: none;
display: inline-block;
}
}
.menu-toggle {
display: none;
position: absolute;
top: 20px;
right: 20px;
width: 40px;
height: 40px;
cursor: pointer;
z-index: 1001;
}
.menu-toggle span {
display: block;
width: 30px;
height: 3px;
background-color: var(--dark);
margin: 6px auto;
transition: all 0.3s ease;
}
@media (max-width: 768px) {
.menu-toggle { display: block; }
.nav_box {
display: none;
width: 100%;
text-align: center;
}
.nav_box.active { display: block; }
.nav_box ul { margin-top: 10px; }
.nav_box li { display: block; float: none; }
.nav_box a { padding: 15px 20px; }
.header.scrolled .nav_box a { padding: 15px 20px; }
}
.cursor-follower {
position: fixed;
width: 20px;
height: 20px;
background: radial-gradient(circle, rgba(48,155,209,0.5) 0%, rgba(25,160,245,0.3) 50%, transparent 70%);
border-radius: 50%;
pointer-events: none;
z-index: 9999;
transform: translate(-50%, -50%);
transition: width 0.2s, height 0.2s;
}
.page-loader {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(135deg, #309bd1 0%, #19A0F5 100%);
display: flex;
justify-content: center;
align-items: center;
z-index: 9999;
transition: opacity 0.5s, visibility 0.5s;
}
.page-loader.fade-out {
opacity: 0;
visibility: hidden;
}
/* 核心修改:调整加载内容容器为Flex垂直布局,确保SVG在文字上方正中间 */
.loader-content {
text-align: center;
color: white;
display: flex;
flex-direction: column;
align-items: center; /* 水平居中 */
justify-content: center; /* 垂直居中 */
}
/* 优化SVG图标样式,移除固定宽高,通过viewBox自适应,保持100px尺寸 */
.loader-logo {
width: 100px;
height: 100px;
margin-bottom: 20px; /* 图标与文字间距 */
animation: pulse 2s infinite;
}
.loader-text {
font-size: 1.2rem;
margin-bottom: 20px;
/* 确保文字不换行,保持居中 */
white-space: nowrap;
}
.loader-bar {
width: 200px;
height: 4px;
background-color: rgba(255,255,255,0.3);
border-radius: 2px;
margin: 0 auto;
overflow: hidden;
}
.loader-progress {
height: 100%;
width: 0;
background-color: white;
border-radius: 2px;
transition: width 0.3s;
}
.typewriter {
overflow: hidden;
border-right: 2px solid white;
white-space: nowrap;
margin: 0 auto;
animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}
@keyframes typing {
from { width: 0 }
to { width: 100% }
}
@keyframes blink-caret {
from, to { border-color: transparent }
50% { border-color: white }
}
.particles-container {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: -1;
overflow: hidden;
}
.scroll-progress {
position: fixed;
top: 0;
left: 0;
width: 0;
height: 3px;
background: linear-gradient(90deg, #309bd1, #19A0F5);
z-index: 1001;
transition: width 0.1s;
}
</style>,注释