main .container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}
.main-image {
    border-radius: 35px;
    overflow: hidden;
    position: relative;
    width: 100%;
    aspect-ratio: 7 / 12;
    background: url('../assets/images/bg.jpg') no-repeat;
    background-size: cover;
}
.main-image .loading {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: #4d4d4d;
    z-index: 199;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Heiti SC', 'Microsoft YaHei', 'SimHei';
    font-size: 24px;
    letter-spacing: 3px;
}
.main-image .loading.hide {
    display: none;
}

.main-image .clouds {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 405px;
    background: url('../assets/images/clouds.png') left bottom repeat-x;
    animation: scene-move 500s linear infinite;
}
.main-image .mountains {
    position: absolute;
    left: 0;
    bottom: 100px;
    width: 100%;
    height: 30%;
    background: url('../assets/images/mountains.png') repeat-x;
    background-size: cover;
    animation: scene-move 150s linear infinite;
}
.main-image .ground {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 115px;
    background: url('../assets/images/grass.png');
    background-repeat: repeat-x;
    animation: scene-move 50s linear infinite;
}
.main-image .sunlight {
    position: absolute;
    left: 0;
    bottom: 75px;
    width: 150%;
    height: calc(100% - 85px);
    background: url('../assets/images/sunlight.png') left bottom no-repeat;
    background-size: cover;
    background-position-x: -50px;
}
.main-image .cat {
    display: block;
    width: 80%;
    max-width: 609px;
    position: absolute;
    left: 5%;
    bottom: 100px;
}
.main-image .logo {
    width: calc(100% - 30px);
    position: absolute;
    top: 20px;
    right: 15px;
    z-index: 11;
    text-align: center;
}
.main-image .logo img {
    width: 100%;
}
.main-title {
    text-align: center;
    font-size: 16px;
    color: var(--content-text-color);
    line-height: 52px;
    opacity: 0;
}
.main-title span {
    font-size: 20px;
    font-weight: bold;
    color: var(--title-text-color);
}
.main-desc {
    text-align: center;
    font-size: 16px;
    line-height: 24px;
    color: var(--content-text-color);
    opacity: 0;
}
.main-desc.pc {
    display: none;
}
.main-desc.mobile {
    display: block;
}
.main-desc span {
    font-weight: bold;
    color: var(--title-text-color);
}
.main-types {
    margin: 0;
}
.main-types .type {
    width: 100%;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    margin: 20px 0 50px;
    opacity: 0;
}
.main-types .type img {
    display: block;
    width: 100%;
}
.main-types .type .title {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: rgba(0, 0, 0, 0.4);
    clip-path: polygon(0% 36%, /* 左上角 */ 100% 0%, /* 右上角 */ 100% 100%, /* 右下角 (向内收缩) */ 0% 100% /* 左下角 (向内收缩) */);
}
.main-types .type .title p {
    color: #ffffea;
    font-family: Jaro;
    font-size: 26px;
    line-height: 34px;
    text-align: right;
    text-shadow: 4px 4px 2px rgba(0, 0, 0, 0.5);
    rotate: -11.5deg;
    margin: 60px 30px 0 0;
}
@keyframes scene-move {
    from {
        background-position-x: 0;
    }
    to {
        background-position-x: -1400px;
    }
}

/* ===== 平板设备 (≥768px) ===== */
@media (min-width: 768px) {
    main {
        padding: 40px 40px 80px 40px;
    }
    .main-image {
        aspect-ratio: 14 / 8;
    }
    .main-image .mountains {
        bottom: 70px;
        background-size: contain;
    }
    .main-image .ground {
        height: 85px;
    }
    .main-image .sunlight {
        width: 100%;
        bottom: 37px;
        height: calc(100% - 37px);
    }
    .main-image .cat {
        width: 50%;
        left: 10%;
        bottom: 70px;
    }
    .main-image .logo {
        width: 40%;
        top: 10px;
        right: 50px;
    }
    .main-types .type {
        width: 424px;
        margin: 20px auto 50px;
    }
    .main-types .type .title p {
        font-size: 36px;
        line-height: 56px;
        margin: 80px 30px 0 0;
    }
}
@media (min-width: 1024px) {
    .main-image .sunlight {
        bottom: 24px;
        height: calc(100% - 24px);
        background-size: cover;
    }
}

/* ===== 电脑设备 (1366px) ===== */
@media (min-width: 1366px) {
    main {
        padding: 40px 40px 80px 40px;
    }
    .main-image .mountains {
        height: 400px;
        bottom: 100px;
        background-size: auto;
    }
    .main-image .ground {
        height: 115px;
    }
    .main-image .sunlight {
        bottom: 40px;
        height: calc(100% - 40px);
        background-size: initial;
        background-position-x: -40px;
    }
    .main-image .cat {
        width: 609px;
        left: 110px;
        bottom: 100px;
    }
    .main-image .logo {
        width: 580px;
        top: 30px;
        right: 50px;
    }
    .main-title {
        font-size: 30px;
        line-height: 1;
        margin: 40px 0 55px 0;
    }
    .main-title span {
        font-size: 46px;
    }
    .main-desc {
        font-size: 30px;
        line-height: 56px;
    }
    .main-desc.pc {
        display: block;
    }
    .main-desc.mobile {
        display: none;
    }
    .main-types {
        margin: 70px 0;
        display: flex;
        justify-content: space-between;
        gap: 64px;
    }
}