:root {
    --max: 1400px;
    --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;
}

.Hertre {
    width: 100%;
    z-index: 999;
    position: relative;
}

.Hertre_cen {
    width: var(--max);
    height: 100%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--top60);
}

.Logo {
    width: 100px;
    overflow: hidden;

}

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

.Nav {
    width: max-content;
    margin-left: auto;
}

.Nav ul {
    width: 100%;
    height: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--top60);
}

.Nav ul li {
    font-size: var(--size18);
    color: rgba(51, 51, 51, 0.65);
    text-align: center;
    line-height: 80px;
    position: relative;
    cursor: pointer;
    transition: color 0.3s ease;
}

.Nav ul li a {
    display: block;
    color: inherit;
    pointer-events: none;
}

.Nav ul li.active {
    color: rgba(15, 38, 54, 1);
    font-weight: 600;
}

.Nav ul li svg {
    width: 16px;
    height: 16px;
    fill: #030000;
    display: none;
}


.Nav ul li::after {
    content: "";
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid rgba(15, 38, 54, 1);
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    transition: all 0.3s;
    opacity: 0;
}

.Nav ul li.active::after,
.Nav ul li:hover::after {
    opacity: 1;
}

.En {
    width: max-content;
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--size16);
    color: rgba(51, 51, 51, 1);
    line-height: 1;
    border-left: 1px solid rgba(126, 126, 126, 1);
    padding-left: var(--top60);
}

.En img {
    width: 24px;
    height: auto;
}

.En svg {
    width: 12px;
    height: 8.73px;
}


.En_item {
    width: max-content;
    position: absolute;
    top: 100%;
    right: 0%;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: scaleY(0.1) translateY(0);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    transform-origin: top;
}

.En_item_max {
    width: max-content;
    background: #ffffff;
    overflow: hidden;
    padding: 20px 30px;
    box-shadow: 0px 0px 10px 5px #00000010;
    border-radius: 5px;
    filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.15));
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.En:hover .En_item {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1) translateY(0);
}

.En_item a {
    color: #000000;
    display: block;
    line-height: 1;
    font-size: var(--size14);
    text-align: right;
}


.Background {
    width: 100%;
    background-image: url(../images/background.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.Form {
    width: var(--max);
    margin: auto;
    padding: 10vw 0;
}

.Form form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--top30);
}

.Form form textarea {
    width: 100%;
    height: 300px;
    border-radius: var(--top20);
    background: rgba(255, 255, 255, 0.74);
    border: 2px solid rgba(0, 212, 255, 1);
    font-size: var(--size16);
    color: rgba(51, 51, 51, 1);
    padding: var(--top20);
}

.Form_but {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--top40);
}

.Form_but button {
    width: 150px;
    height: 60px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 1);
    border: 1px solid rgba(10, 88, 246, 1);
    font-size: var(--size16);
    color: rgba(10, 88, 246, 1);
    cursor: pointer;
}

.Form_but button:nth-child(1) {
    background: rgba(10, 88, 246, 1);
    color: rgb(255, 255, 255);
}

.Form_but a {
    width: 150px;
    height: 60px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 1);
    border: 1px solid rgba(10, 88, 246, 1);
    font-size: var(--size16);
    color: rgba(10, 88, 246, 1);
    cursor: pointer;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.Footer {
    width: 100%;
    overflow: hidden;
    background: rgba(62, 71, 83, 1);
}

.Beian {
    width: var(--max);
    overflow: hidden;
    margin: var(--top20) auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.Beian p {
    font-size: var(--size14);
    color: rgba(255, 255, 255, 1);
}

.Beian a {
    font-size: var(--size14);
    color: rgba(98, 131, 255, 1);
}

.Content {
    width: var(--max);
    margin: var(--top60) auto;
}

.Content_title {
    width: 100%;
    padding: 0 var(--top30);
    border-bottom: 1px solid rgba(151, 151, 151, 1);
    padding-bottom: 20px;
}

.Content_title,
.Content_row {
    display: grid;
    grid-template-columns: 100px 1.5fr 1fr 1fr 1fr 100px;
    gap: var(--top20);
}

.Content_title p {
    font-size: var(--size18);
    color: rgba(51, 51, 51, 1);
    line-height: 1;
}

.Content ul {
    width: 100%;
    margin-top: 10px;
}

.Content_item {
    width: 100%;
    border-bottom: 1px solid rgba(151, 151, 151, 0.2);
}

.Content_row {
    width: 100%;
    padding: 15px var(--top30);
    cursor: pointer;
}

.Content_item.is_open .Content_row {
    background: rgba(240, 245, 255, 1);
}

.Content_row p,
.Content_detail_row p {
    font-size: var(--size16);
    color: rgba(51, 51, 51, 1);
}

.Content_index {
    display: flex;
    align-items: center;
    gap: 10px;
}

.Content_index p {
    font-size: var(--size16);
    color: rgba(51, 51, 51, 1);
    line-height: 1;
}

.Content_toggle {
    width: 18px;
    height: 18px;
    border: 1px solid rgba(51, 51, 51, 0.55);
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
}

.Content_toggle::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -30%);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid rgba(51, 51, 51, 0.75);
    transition: transform 0.2s ease;
}

.Content_item.is_open .Content_toggle::after {
    transform: translate(-50%, -60%) rotate(180deg);
}

.Content_item:nth-child(2n+1) .Content_row {
    background: rgba(249, 249, 249, 1);
}

.Content_row p:last-child,
.Content_title p:last-child {
    text-align: center;
}

.Content_detail {
    display: none;
    width: 100%;
    padding: var(--top30);
    border: 1px solid rgba(151, 151, 151, 0.35);
}

.Content_item.is_open .Content_detail {
    display: block;
}

.Content_detail_hd {
    width: 100%;
    display: grid;
    grid-template-columns: 30px 1fr 2fr 1fr 1fr;
    gap: var(--top20);
}

.Content_detail_hd p {
    font-size: var(--size16);
    color: rgba(51, 51, 51, 1);
    line-height: 1;
}


.Content_detail ul {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: var(--top20);
}

.Content_detail ul li {
    width: 100%;
    border-top: 1px solid rgba(151, 151, 151, 0.15);
    padding-top: 15px;
    display: grid;
    gap: var(--top20);
    grid-template-columns: 30px 1fr 2fr 1fr 1fr;
}