header .top {width: 100%;max-width: 1280px;height: 100px;margin: 0 auto;display: flex;justify-content: left;align-items: center;font-size: 32px;color: #c62828;padding: 0 24px;}
header .top h1 {white-space: nowrap;}
header .top a {width:100%;white-space: nowrap;}
header .top small {display: inline-block;margin: 0 0 0 0.5em;font-size: 0.5em;color: #979797;}
header .top .menu-toggle {display: none;}
header .top .logo{display: flex;gap: 16px;list-style: none;align-items: end;width:100%;justify-content: space-between;}
header .top .logo li img{display: block;}
/* header .top .logo li:nth-child(1) img{height: 70px;} */
header .top .logo li img{height: 80px;}

/* 导航栏样式 */
.navbar {z-index: 99;width: 100%;max-width: 1280px;position: absolute;top: 100px;left: 0;right: 0;margin: 0 auto;background: #ffffffbf;color: #333;padding: 0 0 8px;}
.navbar ul {list-style: none;display: flex;justify-content: center;flex-wrap: nowrap;margin: 0;padding: 0;gap: 32px;overflow: auto;}
.navbar a {text-decoration: none;font-weight: bold;font-size: 18px;text-transform: uppercase;transition: color 0.3s ease;display: block;padding: 8px 8px 0px;color: #333;}
.navbar a:hover {color: #c62828;}
.navbar a.active {color: #c62828;border-bottom: 2px solid #c62828;}

/* Swiper Styles */
.banner {margin: 0 auto;position: relative;width: 100%;max-width: 1920px;overflow: hidden;}
.banner .joinimg {position: relative;width: 100%;height: 100%;list-style: none;background: linear-gradient(90deg, #004887 40% 40%, #006123 60%);background: #f8f8f8;}
.banner .joinimg li {position: absolute;top: 0;height: 100%;width: 62%;}
.banner .joinimg li:nth-child(1) {left: 0;clip-path: polygon(0 0, 100% 0, 60% 100%, 0 100%);}
.banner .joinimg li:nth-child(2) {right: 0;clip-path: polygon(40% 0, 100% 0, 100% 100%, 0 100%);}
/* .banner .joinimg li::before{content: " ";position: absolute;width: 300px;height: 150px;background: #ad274a;transform: rotate(43deg);} */
/* .banner .joinimg li:nth-child(1)::before{right: -40px;top: -80px;} */
/* .banner .joinimg li:nth-child(2)::before{left: -40px;bottom: -80px;} */
.swiper-banner {width: 100%;height: 480px;background: #f8f8f8;}
.swiper-banner .title{position: absolute;left: 0;top: 100px;right: 0;margin: auto;width: 100%;text-align: center;color: white;text-shadow: 2px 2px 4px black;font-size: 32px;z-index: 101;}
.swiper-banner .title strong{font-size: 1.888em;}
.swiper-slide img {width: 100%;height: 100%;object-fit: cover;}
.swiper-pagination-bullet {background: #c62828;opacity: 0.6;}
.swiper-pagination-bullet-active {opacity: 1;}
.banner2 {margin: 0.5em auto 0;position: relative;width: 100%;max-width: 1920px;overflow: hidden;background: linear-gradient(to bottom, #ad274a 30%, #DC2126 100%);color: #ffffff;letter-spacing: 2px;}
.banner2 p{text-align: center;font-size: 32px;line-height: 1.2em;padding: 0.5em;}

@media (max-width: 768px) {
    header {font-size: clamp(16px, 5vw, 32px);}
    header .top {position: relative;font-size: 1em;height: 3em;padding: 0 0.75em;gap: 0.75em;}
    header .top .menu-toggle {display: block;color: #c62828;font-size: 1.5em;cursor: pointer;border: none;z-index: 100;background: white;}
    header .top .logo{gap: 0.5em;}
    /* header .top .logo li:nth-child(1) img{height: 2em;} */
    header .top .logo li img{height: 1.714em;}
    .navbar {height: 0;padding: 0;}
    .navbar ul {position: fixed;top: 0;left: 0;width: 100%;height: 100%;background: #fffffff2;flex-direction: column;justify-content: start;opacity: 0;transition: opacity 0.3s ease, visibility 0.3s ease;visibility: hidden;padding-top: 2em;gap: 0;}
    .navbar ul.active {opacity: 1;visibility: visible;}
    .navbar li {margin: 0;width: 100%;text-align: center;padding: 0;}
    .navbar a {font-size: 0.8em;padding: 1em;border-bottom: 2px solid #c7292938;}
    .banner .joinimg li {width: 65%;}
    .banner .joinimg li:nth-child(1) {left: 0;clip-path: polygon(0 0, 100% 0, 50% 100%, 0 100%);}
    .banner .joinimg li:nth-child(2) {right: 0;clip-path: polygon(50% 0, 100% 0, 100% 100%, 0 100%);}
    .swiper-banner {height: 12em;}
    .swiper-banner .title{top: 3em;font-size: 0.8em;}
    .banner2 {margin: 0 auto;}
    .banner2 p{text-align: center;font-size: 0.7em;line-height: 1.2em;padding: 0.5em;}
}