* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans', sans-serif;
line-height: 1.6;
color: #333;
background-color: #fff;
font-size: 16px;
} .container {
max-width: 1400px;
margin: 0 auto;
padding: 0 40px;
}
.section-title {
font-size: 40px;
font-weight: 700;
margin-bottom: 16px;
color: #1a1a1a;
line-height: 1.3;
letter-spacing: -0.5px;
}
.btn {
display: inline-block;
padding: 12px 30px;
font-size: 16px;
text-decoration: none;
transition: all 0.3s ease;
} .blog-section {
padding: 60px 0;
}
.blog-list {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 30px;
}
.blog-thumbnail {
width: 100%;
height: 240px;
object-fit: cover;
} .site-header {
background-color: #fff;
border-bottom: 1px solid #e5e5e5;
padding: 20px 0;
position: sticky;
top: 0;
z-index: 1000;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}
.header-content {
display: flex;
justify-content: flex-start; 
align-items: center;
position: relative;
} .site-logo {
z-index: 2; }
.site-logo .logo-link {
display: flex;
align-items: center;
text-decoration: none;
color: #333;
}
.logo-img {
height: 40px;
width: auto;
margin-right: 10px;
}
.logo-text {
font-size: 18px;
font-weight: 600;
color: #333;
} .main-navigation {
flex-grow: 1; display: flex;
justify-content: center; } .main-navigation .nav-menu {
display: flex;
list-style: none;
gap: 10px; margin: 0;
padding: 0;
} .main-navigation .nav-menu li {
position: relative;
padding: 10px 0; }
.main-navigation .nav-menu li a {
text-decoration: none;
color: #333;
font-size: 18px; 
font-weight: 500;
padding: 8px 20px; border-radius: 8px; 
display: inline-block;
transition: all 0.3s ease; 
} .main-navigation .nav-menu li a:hover {
color: #1880ff;
background-color: rgba(24, 128, 255, 0.1); 
} .main-navigation .nav-menu .sub-menu {
position: absolute;
top: 100%; 
left: 50%;
transform: translateX(-50%) translateY(10px); 
background-color: #ffffff;
min-width: 180px; 
list-style: none;
padding: 8px 0;
margin: 0;
border-radius: 8px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.02); 
border: 1px solid #e5e5e5;
z-index: 999; opacity: 0;
visibility: hidden;
transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
pointer-events: none; 
} .main-navigation .nav-menu li:hover > .sub-menu {
opacity: 1;
visibility: visible;
transform: translateX(-50%) translateY(0); 
pointer-events: auto; 
} .main-navigation .nav-menu .sub-menu li {
padding: 0; 
width: 100%;
}
.main-navigation .nav-menu .sub-menu li a {
display: block;
font-size: 15px; 
color: #475569;
padding: 10px 20px;
border-radius: 0; 
width: 100%;
box-sizing: border-box;
}
.main-navigation .nav-menu .sub-menu li a:hover {
color: #1880ff;
background-color: #f0f7ff; 
} .main-navigation .nav-menu .sub-menu .sub-menu {
top: 0;
left: 100%; 
transform: translateX(10px) translateY(0);
}
.main-navigation .nav-menu .sub-menu li:hover > .sub-menu {
transform: translateX(0) translateY(0);
} .site-footer {
background: #1a1a1a;
color: #fff;
padding: 60px 0 30px;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
line-height: 1.6;
clear: both;
text-align: left;
}
.footer-container {
max-width: 1200px;
margin: 0 auto;
padding: 0 40px;
}
.footer-top {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
align-items: flex-start;
margin-bottom: 40px;
gap: 40px;
}
.footer-brand {
flex: 1.2;
min-width: 280px;
}
.footer-logo {
font-size: 24px;
font-weight: 700;
color: #fff;
margin: 0 0 15px;
letter-spacing: -.5px;
}
.footer-slogan {
font-size: 14px;
color: #b0b0b0;
max-width: 320px;
margin: 0 0 20px;
line-height: 1.8;
}
.footer-btn {
display: inline-block;
background: #1e88e5;
color: #fff;
padding: 10px 24px;
border-radius: 999px;
text-decoration: none;
font-size: 14px;
font-weight: 500;
transition: .3s;
box-shadow: 0 4px 14px rgba(30,136,229,.3);
}
.footer-btn:hover {
background: #1565c0;
transform: translateY(-1px);
}
.footer-nav-group {
flex: 2;
display: flex;
flex-wrap: wrap;
gap: 60px;
justify-content: flex-end;
min-width: 300px;
}
.footer-column {
min-width: 120px;
}
.footer-column h4 {
font-size: 16px;
color: #fff;
margin: 0 0 20px;
font-weight: 600;
}
.footer-column ul {
list-style: none;
padding: 0;
margin: 0;
}
.footer-column li {
margin-bottom: 12px;
}
.footer-column a {
color: #999;
text-decoration: none;
font-size: 14px;
transition: .3s;
}
.footer-column a:hover {
color: #fff;
}
.footer-bottom {
border-top: 1px solid rgba(255,255,255,.1);
padding-top: 30px;
display: flex;
flex-wrap: wrap;
justify-content: space-between;
align-items: center;
gap: 20px;
font-size: 13px;
color: #666;
}
.footer-legal {
display: flex;
gap: 25px;
}
.footer-legal a {
color: #666;
text-decoration: none;
transition: .3s;
}
.footer-legal a:hover {
color: #999;
}
.secure-tag {
color: #1e88e5;
font-weight: 500;
} @keyframes fadeIn {
from {
opacity: 0;
transform: translateY(20px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
.fade-in {
animation: fadeIn 0.6s ease-out;
}  @media (max-width: 1024px) {
.container {
max-width: 960px;
}
.section-title {
font-size: 32px;
}
} @media (max-width: 768px) {
.container {
padding: 0 20px;
} .header-content {
flex-direction: column;
gap: 20px;
} .main-navigation .nav-menu {
flex-direction: column;
gap: 15px;
text-align: center;
}
.main-navigation .nav-menu .sub-menu {
position: static;
transform: none;
opacity: 1;
visibility: visible;
box-shadow: none;
border: none;
background: #f8fafc;
padding-left: 20px;
width: 100%;
display: none; }
.main-navigation .nav-menu li:hover > .sub-menu {
display: block;
transform: none;
} .blog-section {
padding: 40px 0;
}
.blog-list {
grid-template-columns: 1fr;
gap: 20px;
}
.blog-load-more-wrapper {
margin-top: 30px !important;
} .btn {
padding: 10px 24px;
font-size: 14px;
} .footer-container {
padding: 0 20px;
}
.footer-top {
flex-direction: column;
gap: 30px;
}
.footer-nav-group {
justify-content: flex-start;
gap: 40px;
}
.footer-bottom {
flex-direction: column;
text-align: center;
}
} @media (max-width: 480px) {
.container {
padding: 0 15px;
}
.section-title {
font-size: 24px;
}
.blog-thumbnail {
height: 180px;
}
.blog-date {
padding: 15px 15px 0 15px;
}
.blog-title {
padding: 0 15px;
}
.blog-excerpt {
padding: 0 15px 15px;
}
}