:root {
    --max: 1200px;
    --size14: 14px;
    --size16: 16px;
    --size18: 18px;
    --size20: 20px;
    --size24: 24px;
    --size30: 30px;
    --size36: 36px;
    --size40: 40px;
    --size46: 46px;
    --size50: 50px;
    --size56: 56px;
    --size60: 60px;

    --top20: 20px;
    --top30: 30px;
    --top40: 40px;
    --top50: 50px;
    --top60: 60px;
    --top80: 80px;
    --top100: 100px;
    --top120: 120px;
}

body {
    width: 100vw;
    height: 100vh;
}

.Index {
    width: 100vw;
    min-height: 100vh;
    position: relative;
    z-index: 5;
    display: flex;
    flex-wrap: wrap;
    align-content: space-between;
}

.Hertre {
    width: 95%;
    z-index: 999;
    position: relative;
    margin: auto;
    border-bottom: 3px solid rgba(255, 255, 255, 0.2);

}

.Hertre_cen {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--top20) auto;
    gap: 15px;
}

.Logo {
    width: 220px;
    overflow: hidden;

}

.Logo img {
    width: 100%;
    height: auto;
}

.Hertre_cen form {
    width: 420px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.Hertre_cen form input {
    flex: 1;
    height: 60px;
    background: rgba(88, 88, 88, 1);
    border-radius: 30px 0px 0px 30px;
    font-size: var(--size16);
    color: rgba(159, 159, 159, 1);
    padding: 0 var(--top20);
}

.Hertre_cen form button {
    width: 100px;
    height: 60px;
    background: rgba(37, 37, 37, 1);
    border-radius: 0px 30px 30px 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.Hertre_cen form button img {
    width: 20px;
    height: auto;
}

.Beijing {
    width: 100%;
    height: 100vh !important;
    position: absolute;
    top: 0;
    left: 0;
}

.Beijing ul li {
    height: 100vh !important;
}

.Beijing ul li img {
    width: 100%;
    height: 100vh;
    object-fit: cover;
}

.Beijing::after {
    content: "";
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

.Lunbo {
    width: 85%;
    margin: auto;
}

.Swiper {
    width: 100%;
    margin: 30px auto;
}

.Swiper li {
    width: 45% !important;
    border-radius: var(--top20);
}

.Swiper ul {
    padding: 5px 0;
}

.Swiper ul li::after {
    content: "";
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

.Swiper ul li.zhenshangyin-slide-active::after {
    display: none;
}

.Swiper li img,
.Swiper li video {
    width: 100%;
    aspect-ratio: 5 / 3;
    object-fit: cover;
}

.prev,
.next {
    width: 60px;
    height: 60px;
    background: #00000080;
    border-radius: 50%;
}

.prev {
    left: 22%;
}

.next {
    right: 22%;
}

.pager1 {
    width: 100%;
    position: static;
    inset: 0;
    transform: translate(0, 0);
    margin-top: var(--top50);
}

.zhenshangyin-pager-bullets-bullet {
    width: 20px;
    height: 10px;
    opacity: 1;
    border-radius: 5px;
    background: rgba(88, 88, 88, 1);
}

.zhenshangyin-pager-bullets-bullet.active {
    width: 34px;
    background: rgba(177, 177, 177, 1);
}

.Footer {
    width: 95%;
    margin: auto;
    border-top: 3px solid rgba(255, 255, 255, 0.3);
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.Footer_top {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--top20);
}

.Footer_top p {
    font-size: var(--size14);
    color: rgba(210, 210, 210, 1);
}

.Footer_cen {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 15px;
}

.Footer_p {
    width: max-content;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.Footer_p img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.Footer_p p {
    font-size: var(--size14);
    color: rgba(210, 210, 210, 1);
}

.Footer_copy {
    width: 100%;
    text-align: center;
    font-size: var(--size14);
    color: rgba(210, 210, 210, 1);
}

.video_modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    opacity: 0;
    transition: all 0.3s ease;
}

.video_modal.show {
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    opacity: 1;
}

.video_modal_content {
    position: absolute;
    top: 50%;
    left: 50%;
    background-color: transparent;
    padding: 0;
    width: 80%;
    max-width: 1200px;
    border-radius: 10px;
    transform: translate(-50%, -40%);
    transition: transform 0.3s ease;
}

.video_modal.show .video_modal_content {
    transform: translate(-50%, -50%);
}

.video_modal_close {
    position: absolute;
    top: -40px;
    right: 0;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    line-height: 1;
    transform-origin: center center;
}


#modal_video {
    width: 100%;
    height: auto;
    max-height: 70vh;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    transform: scale(1);
}

#modal_video:hover {
    transform: scale(1.02);
}