body {
     margin: 0;
     padding: 0;
     min-width: 320px;
     min-height: 100vh;
     width: 100vw;
     height: 100vh;
     background: linear-gradient(180deg, #0a1a3c 0%, #0e2a5c 100%);
     overflow-x: hidden;
     font-family: 'Microsoft YaHei', Arial, sans-serif;
     position: relative;
 }

 a {
     text-decoration: none;
     color: inherit;
     outline: none;
     cursor: pointer;
 }

 .logo-box {
     flex-direction: column;
     align-items: center;
     justify-content: center;
     position: absolute;
     top: 0;
 }

 .logo-img {
     max-width: 509px;
     max-height: 156px;
     margin-bottom: 0.5vw;
 }

 .logo-title {
     font-size: 2vw;
     min-font-size: 18px;
     max-font-size: 40px;
     font-weight: bold;
     color: #222;
     letter-spacing: 2px;
 }

 .logo-sub {
     font-size: 1.1vw;
     min-font-size: 12px;
     max-font-size: 24px;
     color: #888;
     margin-top: -0.5vw;
 }

 .main {
     width: 100vw;
     min-height: 60vh;
     display: flex;
     justify-content: center;
     align-items: center;
     position: relative;
     z-index: 1;
     box-sizing: border-box;
 }

 .card-list {
     display: flex;
     flex-wrap: wrap;
     justify-content: center;
     width: 85vw;
     max-width: 1600px;
 }

 .card {
     width: 15vw;
     height: auto;
     min-width: 180px;
     max-width: 320px;
     height: 32vw;
     min-height: 260px;
     max-height: 540px; 
     border-radius: 2vw;
     overflow: hidden;
     display: flex;
     flex-direction: column;
     justify-content: flex-end;
     position: relative;
     cursor: pointer;
     transition: transform 0.2s, box-shadow 0.2s;
     margin-bottom: 1vw;
 }

 .card:hover {
     transform: translateY(-0.8vw) scale(1.04);
     color: #ff9900 !important;
 }

 .card:hover .card-content,
 .card:focus .card-content {
     color: #ff9900;
     max-height: 200px;
     opacity: 1;
     transform: translateY(0);
     transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s, transform 0.35s;
 }

 .card-bg {
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background-size: 100% 100%;
     background-position: center;
     z-index: 0;
 }

 .card-content {
     position: relative;
     z-index: 1;
     background: linear-gradient(0deg, rgba(255, 255, 255, 0.92) 70%, rgba(255, 255, 255, 0.0) 100%);
     padding: 2vw 0 1.2vw 0;
     text-align: center;
     max-height: 0;
     opacity: 0;
     overflow: hidden;
     transform: translateY(40px);
     transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s, transform 0.35s;
 }

 .card:hover .card-title-cn,
 .card:hover .card-title-en {
     color: #ff9900 !important;
     transition: color 0.2s;
 }

 .card-title-cn {
     font-size: 1.5vw;
     min-font-size: 18px;
     max-font-size: 32px;
     font-weight: bold;
     color: #ff9900;
     margin-bottom: 0.5vw;
 }

 .card-title-cn.col-blue {
     color: #2176ff;
 }

 .card-title-en {
     font-size: 1vw;
     min-font-size: 12px;
     max-font-size: 18px;
     color: #2176ff;
     letter-spacing: 1px;
 }

 .card-title-en.orange {
     color: #ff9900;
 }

 /* 船只装饰 */
 .ship {
     position: absolute;
     right: 4vw;
     bottom: 10vw;
     width: 18vw;
     min-width: 120px;
     max-width: 400px;
     z-index: 0;
     opacity: 0.92;
     pointer-events: none;
 }

 /* 光点线条装饰 */
 .dots {
     position: absolute;
     left: 0;
     right: 0;
     bottom: 0;
     width: 100vw;
     height: 12vw;
     min-height: 80px;
     max-height: 220px;
     pointer-events: none;
     z-index: 0;
 }

 @media(max-width:1025px) {
    .mobile {
        width: 100%;
        height: 100%;
        background: url("/skin/images/homepage/mobile_home.png") no-repeat;
        background-size: 100% 100%;
        overflow: auto;
        display: flex;
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    .mobile_btn {
        margin-top: 13rem;
        background-color: #ff9900;
        font-size: 1.6rem;
        color: #fff;
        display: flex;
        justify-content: center;
        flex-direction: column;
        align-items: center;
        border-radius: 40px;
    }
    .mobile_logo img {
        width: 260px;
        height: 280px;
    }
    .mobile_btn_box {
        padding: 20px 80px;
    }

    .swiper-container {
        display: none;
    }
 
 }
 @media(min-width:1025px) {
    .mobile {
        display: none;
    }
 }