/* Base reset */
/* Font Declaration */
@font-face {
    font-family: 'HarmonyOS_SansSC';
    src: url('../font/HarmonyOS_SansSC_Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* 回到顶部 */
#backToTop {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background: #0ea5e9;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1000;
    font-size: 20px;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.tall {
    position: sticky;
    /* background-color: #0284c7; */
    top: 0;
    z-index: 51;
    background: rgba(175, 175, 175, 0);
    transition: background .3s ease;
}

.tall.scrolled {
    background: rgba(146, 145, 145, 0.85);
    backdrop-filter: blur(8px);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    /* height: 100%; */
}

body {
    margin: 0;
    padding: 0;
    font-family: HarmonyOS_SansSC, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
    color: #0f172a;
    background: #ffffff;
    line-height: 1.5;
}

:root {
    --bg: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --muted1: #f0f0f0;
    --soft: #e2e8f0;
    --primary: #0ea5e9;
    --primary-600: #0284c7;
    --accent: #22c55e;
    --radius: 14px;
    --shadow-sm: 0 2px 8px rgba(2, 8, 23, 0.06);
    --shadow-md: 0 8px 24px rgba(2, 8, 23, 0.10);
}

img {
    width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Layout */
.container {
    width: min(1440px, 92%);
    margin: 0 auto;
}

/* Header / Nav */
header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: saturate(140%) blur(8px);
    background: color-mix(in oklab, var(--bg), transparent 20%);
    /* border-bottom: 1px solid var(--soft); */
}

.header-top {
    top: -110px;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    height: 90px;

}

.tall {
    position: sticky;
    /* background-color: #0284c7; */
    top: 0;
    z-index: 51;
}

/* 移动端取消粘性定位 */
@media (max-width: 968px) {
    .tall {
        position: relative;
        top: auto;
    }

    /* 中国区域切换按钮始终可见 */
    .country-switch2 {
        display: flex !important;
        top: 347px;
        right: 10%;
    }

    .allProvince {
        opacity: 0;
    }
}

.brand {
    font-weight: 800;
    letter-spacing: 0.4px;
    color: #fff;
    font-size: 30px;
}


.brand .dot {
    color: var(--primary);
}

.nav-links {
    display: flex;

    gap: 14px;
    align-items: center;
}

.nav-links a {
    padding: 8px 12px;
    /* border-radius: 10px; */
    color: var(--muted1);
    /* 为了解决hover时字体变粗导致的抖动问题，设置固定宽度或使用transform缩放 */
    min-width: 80px;
    text-align: center;
    transition: color .2s ease, transform .2s ease;
}

.nav-links a:hover {
    /* 替换直接改变font-weight的方式，使用transform: scale()来模拟加粗效果 */
    transform: scale(1.05);
    /* 如果仍需加粗效果，使用text-shadow可以在不改变宽度的情况下增强视觉效果 */
    text-shadow: 0 0 1px rgba(255, 255, 255, 0.8);
    /* font-weight: 700; */
}

.nav-links a.active {
    /* color: var(--primary-600); */
    color: var(--muted1);
    font-weight: 600;
    text-shadow: 0 0 1px rgba(255, 255, 255, 0.8);
    /* background: #e0f2fe; */
}


/* 下拉菜单基础 */
.nav-links .dropdown {
    position: relative;
}

.nav-links .dropdown>a::after {
    content: "";
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 6px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--muted1);
    vertical-align: middle;
    transition: transform .3s ease;
}

.nav-links .dropdown:hover>a::after {
    transform: rotate(180deg);
}

.nav-links .dropdown-menu {
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%) scaleY(0);
    transform-origin: top;
    margin-top: 8px;
    min-width: 160px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--soft);
    opacity: 0;
    visibility: hidden;
    transition: transform .3s ease, opacity .3s ease, visibility .3s ease;
    z-index: 60;
}

.nav-links .dropdown:hover .dropdown-menu {
    transform: translateX(-50%) scaleY(1);
    opacity: 1;
    visibility: visible;
}

.nav-links .dropdown-menu a {
    display: block;
    padding: 10px 16px;
    color: var(--text);
    font-size: 14px;
    white-space: nowrap;
    transition: background .2s ease, color .2s ease;
}

.nav-links .dropdown-menu a:hover {
    background: var(--primary-600);
    color: #fff;
}

.nav-links .dropdown-menu a:first-child {
    border-radius: var(--radius) var(--radius) 0 0;
}

.nav-links .dropdown-menu a:last-child {
    border-radius: 0 0 var(--radius) var(--radius);
}

.nav-links .dropdown-menu a:only-child {
    border-radius: var(--radius);
}

/* Publications hero header */
.pub-hero {
    position: relative;
    isolation: isolate;
    background: #0b1220;
    height: 20rem;
}

.pub-hero::before {
    content: "";
    position: absolute;
    /*  等价于 top:0; right:0; bottom:0; left:0 */
    inset: 0;
    background: url('../imgs/Publications/Publications_01.png') center/cover no-repeat;
    z-index: -1;
    top: -90px;
}

.pub-hero .pub-title {
    color: #fff;
    font-weight: 600;
    font-size: clamp(26px, 3vw, 40px);
    text-shadow: 0 2px 24px rgba(14, 165, 233, .6);
}

.pub-hero .hero-mask {
    padding: 80px 0 180px;
}

/* About subnav */

.about::before {
    background: url('../imgs/about/about_01.jpg') center/cover no-repeat;
}

.about-subnav {
    margin-top: 10px;
    display: inline-flex;
    gap: 8px;
    padding: 6px;
    border-radius: 999px;
    background: #0b12204d;
    border: 1px solid #60a5fa55;
}

.about-subnav .tab {
    color: #e2f1ff;
    padding: 8px 14px;
    border-radius: 999px;
    background: transparent;
    border: 1px solid transparent;
    transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.about-subnav .tab:hover {
    transform: translateY(-1px);
    border-color: #60a5fa66;
    background: #60a5fa22;
}

.about-subnav .tab.active {
    background: #0ea5e9;
    border-color: #0ea5e9;
    color: #fff;
}

/* Home hero */
.home-hero {
    position: relative;
    isolation: isolate;
    background: #0b1220;
    height: 100vh;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.home-hero .hero-mask {
    padding: 0px 0 60px;
    position: absolute;
    top: 60%;
    width: 100%;
}

/* 背景图中的大字 */
.home-hero .hero-title {
    padding-left: 60px;
    box-sizing: border-box;
    position: relative;
    top: 15%;
    bottom: 550px;
    width: 100%;
    color: white;
    font-family: 'SourceHanSansCN', sans-serif;
}

.home-hero .hero-title .bigtitle {
    width: 600px;
    font-size: 2.7rem;
    font-weight: 700;
    line-height: 47px;
    position: relative;
    left: 7%;
    /* background-color: #0284c7; */
    font-family: 'SourceHanSansCN', sans-serif;
}

.home-hero .hero-title .smalltitle {
    width: 710px;
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 26px;
    position: relative;
    left: 7%;
    font-family: 'SourceHanSansCN', sans-serif;
}

.nav-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.nav-center.left {
    left: 0;
    transform: none;
}

.grad-btn {
    width: 192px;
    height: 56px;
    /* line-height: 45px; */
    text-align: center;
    background: url("../imgs/home/0725_10.png");
    background-size: 100% 100%;
    cursor: pointer;
}

.grad-btn2 {
    background-image: url("../imgs/home/0725_12.png");
}

.grad-btn3 {
    font-size: 1.2rem;
    font-weight: 400;
    height: 46px;
    background: rgba(255, 255, 255, 0.5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 30px;
    padding: 10px 15px;
    position: relative;
    transition: all 0.2s;
}

.jian {
    border-radius: 50%;
    padding: 20px;
    /* background: rgba(255,255,255,0.5); */
    margin-left: 5px;
    transition: all 0.2s;
}

.iconfont {
    color: #ffffff;
    position: absolute;
    top: 29%;
    transform: translateX(-50%);
}

.grad-btn3:hover .iconfont {
    color: #0ea5e9;
}

.grad-btn3:hover .jian {
    background: #ffffff;
}

.grad-btn3:hover {
    background: #0ea5e9;
}

.grad-btn.alt {
    background: linear-gradient(90deg, #34d399, #0ea5e9);
}

.grad-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.hero-inner {
    position: relative;
    padding: 64px 0;
}

.hero-copy h1 {
    color: #e2f1ff;
    margin: 0 0 10px;
    font-size: clamp(24px, 3.3vw, 40px);
    line-height: 1.15;
    text-shadow: 0 2px 24px #0ea5e9aa;
}

.hero-copy p {
    color: #cde7ff;
    margin: 0 0 16px;
}

.hero-actions {
    display: flex;
    gap: 10px;
}

@keyframes bgShift {
    0% {
        transform: translateY(-6%);
    }

    100% {
        transform: translateY(4%);
    }
}

@keyframes twinkle {

    0%,
    100% {
        opacity: .8
    }

    50% {
        opacity: .4
    }
}

/* Grid gallery */
.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
}

.grid.masonry {
    grid-auto-rows: 8px;
}

.col-span-12 {
    grid-column: span 12;
}

.col-span-6 {
    grid-column: span 6;
}

.col-span-4 {
    grid-column: span 4;
}

.col-span-3 {
    grid-column: span 3;
}

.card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: transform .35s cubic-bezier(.2, .8, .2, 1), box-shadow .35s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.card .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(2, 8, 23, 0) 40%, rgba(2, 8, 23, .55));
    opacity: 0;
    transition: opacity .35s ease;
}

.card:hover .overlay {
    opacity: 1;
}

.card .caption {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 12px;
    color: #fff;
    font-weight: 600;
    letter-spacing: .2px;
    transform: translateY(6px);
    opacity: 0;
    transition: transform .35s ease, opacity .35s ease;
}

.card:hover .caption {
    transform: translateY(0);
    opacity: 1;
}

/* Sections */
.section {
    padding: 80px 0;
    position: relative;
}

.section-bkg {
    width: 615px;
    height: 380px;
    position: absolute;
    top: 342px;
    left: 0;
    right: 0;
    margin: 0 auto;
    background-image: url("../imgs/home/0725_17.png");
}

.section-head {
    text-align: center;
    margin-bottom: 20px;
}

.section-head h2 {
    margin: 0 0 8px;
    font-size: clamp(22px, 3vw, 34px);
}

.section-head p {
    margin: 0;
    color: var(--muted);
    font-size: 20px;
}

.about-section .about-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
    padding: 40px;
    box-sizing: border-box;
}

.about-section .about-points {
    display: grid;
    align-content: center;
}

.about-section ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.about-points-top {
    display: flex;
    justify-content: space-evenly;
}

.about-points-top-item {
    font-size: 28px;
}

.about-points-top-v {
    font-size: 40px;
    font-weight: 600;
}

.about-points-bot {
    /* max-height: 400px; */
    padding: 24px;
    background-color: #f9f8fa;
    border-radius: 16px;
}

.two-col {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
}

.two-col .col {
    grid-column: span 6;
    padding: 42px;
}

.two-col .media-left {
    order: -1;
}

.two-col .col .small {
    font-size: 14px;
}

.two-col .col h2 {
    font-size: clamp(22px, 3vw, 34px)
}

.network-section .media-left {
    grid-column: span 8;
}

.network-section .media-right {
    grid-column: span 4;
}

.colcard {
    position: relative;
}

.allCountry {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.allCountry .col-btn {
    width: 171px;
    height: 59px;
    background-image: url("../imgs/home/0725_21.png");
    margin-top: 40px;
}

.two-col .media-right {
    font-size: 1.375rem
}

@media (max-width: 968px) {
    .two-col .media-right {
        font-size: 1rem;
    }
}

.media-right .pub-pager {
    gap: 16px;
    justify-content: start;
}

.colcard {
    width: 100%;
    height: 100%;
    position: relative;
}

.colcard div {
    position: absolute;
}

.colcard img {
    position: absolute;
    top: 0%;
}

/* 英国 */
.countryPoint1 {
    left: 6%;
    top: 28%;
}

.countryIcon1 {
    width: 2.5rem;
    height: 1.5rem;
    left: 4%;
    top: 25%;
}

/* 法国 */
.countryPoint2 {
    left: 8%;
    top: 31%;
}

.countryIcon2 {
    width: 2.5rem;
    height: 1.5rem;
    left: 10%;
    top: 31%;
}

.countryPoint3 {
    left: 6%;
    top: 35%;
}

.countryIcon3 {
    width: 2.5rem;
    height: 1.5rem;
    left: 4%;
    top: 40%;
}

.countryPoint4 {
    left: 34%;
    top: 68%;
}

.countryIcon4 {
    width: 2.5rem;
    height: 1.5rem;
    left: 36%;
    top: 68%;
}

.countryPoint5 {
    left: 76%;
    top: 37%;
}

.countryIcon5 {
    width: 2.5rem;
    height: 1.5rem;
    left: 75%;
    top: 43%;
}



.countryIcon6 {
    width: 2.5rem;
    height: 1.5rem;
    left: 38%;
    top: 46%;
    font-size: 34px;
    color: #0ea5e9;
}

.ripple-container {
    position: relative !important;
    width: 64px;
    height: 55px;
    left: -4%;
    top: -4%;
    overflow: hidden;
}

.ripple-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: ripple 2s infinite ease-out;
}

.ripple-effect:nth-child(2) {
    animation-delay: 0.5s;
}

.ripple-effect:nth-child(3) {
    animation-delay: 1s;
}

@keyframes ripple {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, -50%) scale(20);
        opacity: 0;
    }
}

.network-section .wide img {
    width: 100%;
    height: auto;
}

.platform-section p {
    padding: 0;
    margin: 0;
}

.platform-grid {
    margin-top: 10px;
}

/* Platform Flow custom */
.platform-bkg {
    width: 575px;
    height: 730px;
    background-image: url(../imgs/home/切块国旗-0725_51.png);
    background-size: 87%;
    background-repeat: no-repeat;
    left: 79px;
    top: 127px;
    right: 0;
    margin: auto;
    position: absolute;
}

.platForm_arrows {
    width: 75%;
    height: 13%;
    position: absolute;
    top: 113px;
    left: 142px;
}

.platForm_arrows img {
    width: 100%;
    z-index: -1;
}

.platForm_arrow_text {
    background-color: #ffffff;
    font-size: 15px;
    font-weight: 550;
    color: #111111;
    text-align: center;
    position: absolute;
    width: 20rem;
    bottom: 0rem;
    left: 0rem;

}

.platForm_arrow_1 {
    top: 42%;
    left: 32%;
    transform: rotate(90deg);
}

.platform-header {
    display: flex;
    padding: 0 50px;
}

.platform-Title {
    font-size: clamp(22px, 3vw, 34px);
    font-weight: 600;
    line-height: 60px;
}

.platform-Title-line {
    display: flex;
    align-items: center;
    margin-top: 4px;
}

.platform-section .platform-Title-lr {
    height: 30px;
    line-height: 30px;
    font-size: 18px;
    border-radius: 16px;
    background: linear-gradient(45deg, #2a7ec0, #40b4fd);
    padding: 0px 10px;
    color: #fff;
    margin-left: 20px;
}

.platform-header img {
    width: 140px;
    margin-left: 34px;
    top: -10px;
}

.platform-header-right {
    width: 419px;
    height: 100px;
    position: absolute;
    top: 85px;
    right: 23px;
    background-color: #F2F2F2;
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    padding: 24px 29px;
}

.platform-line {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 20px;
}

.platform-line2-item {
    width: 400px;
    height: 170px;
    background-color: #F2F2F2;
    border-radius: 16px;
    margin: 24px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    padding: 24px 83px;
    position: relative;
}

.platform-line2-item h5 {
    max-width: 29.6rem;
    text-align: center;
    position: absolute;
    top: -2rem;

}

.platform-line2-item-img {
    padding: 0;
}

.platform-flow {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
    align-items: start;
}

.platform-flow .node {
    grid-column: span 3;
    position: relative;
}

.platform-flow .node img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--soft);
}

.platform-flow .start {
    grid-column: span 3;
}

.platform-flow .start .arrow {
    position: absolute;
    right: -10px;
    top: -10px;
    width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-bottom: 14px solid #0ea5e9;
    filter: drop-shadow(0 2px 6px rgba(14, 165, 233, .4));
    animation: bounce 1.6s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

.news-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 20px;
}

.news-list li {
    grid-template-columns: 56px 80px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 14px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    transition: transform .3s ease, box-shadow .3s ease;
}

.news-list li:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    background-color: #D0E7FF;
}

.news-list .date {
    /* font-weight: 800; */
    font-size: 28px;
    /* color: var(--primary-600); */
}

.news-list .meta {
    /* color: var(--muted); */
    color: #0f172a;
}

.news-list-item {
    display: flex;
    justify-content: space-between;
}

.news-section h2 {
    font-size: clamp(22px, 3vw, 34px);
}

.news-section .news-section-left {
    grid-column: span 8;
}

.news-section .news-section-right {
    grid-column: span 4;
}

.logo-section .center {
    display: grid;
    place-items: center;
}

/* About News tabs */
.about-news .about-tabs {
    list-style: none;
    padding: 0;
    margin: 10px 0 12px;
    display: grid;
    gap: 8px;
}

.about-news .about-tabs li {
    position: relative;
    border: 1px solid var(--soft);
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
}

.about-news .about-tabs a {
    display: block;
    padding: 10px 12px;
    color: #0f172a;
}

.about-news .about-tabs li::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 2px;
    background: #0ea5e9;
    transition: width .3s ease;
}

.about-news .about-tabs li:hover::after,
.about-news .about-tabs li.active::after {
    width: 100%;
}

/* Publication grid */
.pub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.pub-item {
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--soft);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.pub-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
}

.pub-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.pub-meta {
    padding: 12px;
}

.pub-title {
    font-weight: 700;
    margin: 0 0 6px;
    font-size: 16px;
}

.pub-desc {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

/* Publications two-column layout */
.pub-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 24px;
    width: min(1440px, 92%);
    margin: 0 auto;
    padding: 24px 0 40px;
    position: relative;
}

.pub-side {
    position: sticky;
    top: 70px;
    height: fit-content;
    display: grid;
    gap: 12px;
}

.side-group {
    border: 1px solid var(--soft);
    border-radius: 14px;
    background: #fff;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.side-group:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
}

.side-group.open .chev {
    transform: rotate(0deg);
}

.side-head {
    width: 100%;
    text-align: left;
    background: #fff;
    border: 0;
    padding: 12px 14px;
    font-weight: 700;
    display: grid;
    grid-template-columns: 18px 1fr auto auto;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.side-head .dot {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    background: center/cover no-repeat;
    background-image: url('../imgs/Publications/Publications_04.png');
    display: inline-block;
    filter: grayscale(1) contrast(1.1) brightness(.9);
}

.side-head .dot1 {
    background-image: url('../imgs/Publications/Publications_07.png');
}

.side-head .dot2 {
    background-image: url('../imgs/Publications/Publications_09.png');
}

.side-head .dot3 {
    background-image: url('../imgs/Publications/Publications_11.png');
}

.side-head .dot4 {
    background-image: url('../imgs/Publications/Publications_13.png');
}

.side-head .count {
    color: var(--muted);
    font-weight: 500;
}

.side-head .chev {
    transition: transform .25s ease;
    opacity: .7;
}

.side-list {
    list-style: none;
    margin: 0;
    padding: 8px 14px 14px;
    display: grid;
    gap: 8px;
}

.side-list a {
    color: var(--muted);
    display: block;
    padding: 8px 10px;
    border-radius: 10px;
    transition: background .2s ease, color .2s ease;
}

.side-list a:hover {
    color: var(--primary-600);
    background: #f1f5f9;
}

.side-list a.active {
    color: #0ea5e9;
    background: #e0f2fe;
    font-weight: 700;
}

.pub-main {
    display: grid;
    gap: 16px;
}

.pub-search {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.pub-search input {
    padding: 12px 14px;
    border-radius: 999px;
    border: 1px solid var(--soft);
    background: #fff;
}

.icon-btn {
    padding: 10px 12px;
    border-radius: 999px;
    border: 1px solid var(--soft);
    background: #fff;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease;
}

.icon-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.icon-btn.primary {
    background: #0ea5e9;
    color: #fff;
    border-color: #0ea5e9;
}

.pub-list {
    display: grid;
    gap: 14px;
}

.pub-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0px;
    padding: 16px;
    background: #fff;
    border: 1px solid var(--soft);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.pub-row:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
}

.pub-row .image {
    width: 100%;
    padding: 0;
    overflow: hidden;
}

.pub-row .image img {
    display: block;
    width: 100%;
    height: auto;
}

.pub-abs {
    margin: 0 0 8px;
    color: #334155;
}

.pub-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    box-sizing: border-box;
    /* padding-right: 5rem; */
}

.pub-meta-row .journal {
    font-weight: 800;
}

.pub-meta-row .date {
    color: var(--muted);
    font-size: 14px;
}

.row-more {
    border: 0;
    background: #0f172a;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    opacity: .85;
    cursor: pointer;
}

.pub-pager {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 6px;
}

.pb-bkg {
    width: 582px;
    height: 622px;
    position: absolute;
    left: 0;
    bottom: 0;
    background-image: url("../imgs/Publications/Publications_02.png");
    background-size: 100% 100%;
}

/* Footer dark */
.footer-dark {
    background: #0b1220;
    background-image: url("../imgs/joinus/jimeng-2025-07-18-4451-单细胞\ 分子.png");
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: right bottom;

    color: #cbd5e1;
    padding-top: 26px;
}

.foot-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 14px;
}

.footer-dark dt {
    margin: 0 0 8px;
    color: #e2e8f0;
    font-size: 14px;
}

dd {
    margin-inline-start: 0px;
}

.white-line {
    background-color: white;
    margin: 15px 0;
    width: 18px;
    height: 2.5px;
}

.footer-dark a {
    display: block;
    /* color: #93c5fd; */
    font-size: 13px;
    margin: 4px 0;
}

.foot-meta {
    padding: 16px 0;
    border-top: 1px solid #172036;
    color: #94a3b8;
    font-size: 12px;
    text-align: center;
    margin-top: 10px;
}

/* About */
.about-sections {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 16px;
}

.about-card {
    grid-column: span 4;
    padding: 18px;
    border: 1px solid var(--soft);
    border-radius: 16px;
    background: #fff;
    transition: border-color .3s ease, transform .3s ease;
}

.about-card:hover {
    transform: translateY(-2px);
    border-color: #cbd5e1;
}

.about-card h3 {
    margin: 8px 0 8px;
    font-size: 18px;
}

.about-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.about-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: #f1f5f9;
}

/* About1: Deliver tabs */
.deliver-tabs {
    position: sticky;
    top: 9%;
    display: inline-flex;
    gap: 16px;
    padding: 6px;
    margin: 28px auto;
    width: 100%;
    justify-content: center;
    z-index: 49;

    backdrop-filter: saturate(140%) blur(8px);
    background: color-mix(in oklab, var(--bg), transparent 20%);
    /* border-bottom: 1px solid var(--soft); */
}

.deliver-tab {
    padding: 8px 14px;
    border-radius: 999px;
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.deliver-tab:hover {
    transform: translateY(-1px);
    background: #eaf2ff;
    border-color: #bfdbfe;
}

.deliver-tab.active {
    background: #0ea5e9;
    color: #fff;
    border-color: #0ea5e9;
}

.deliver-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 30px;
    margin-top: 12px;
    text-align: center;
}

.deliver-card {
    grid-column: span 3;
    padding: 16px;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transform: translateY(0);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    height: 368px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.deliver-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
    cursor: pointer;
}

/* .deliver-card.active { outline: 2px solid #0ea5e9; } */
.deliver-card .icon {
    width: 78px;
    border-radius: 10px;
    color: #0284c7;
    display: grid;
    place-items: center;
    margin-bottom: 8px;
    position: relative;
}

.deliver-card .icon img {
    width: 78px;
    object-fit: contain;
}

.deliver-card .icon .icon-hover {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity .3s ease;
}

.deliver-card:hover .icon .icon-hover {
    opacity: 1;
}

.deliver-card:hover {
    background-color: #dbecff;
}

.deliver-card:hover .icon .icon-normal {
    opacity: 0;
}

/* iMAPS Vision */
.vision-section {
    overflow: hidden;
}

.vision-section h2 {
    font-size: clamp(32px, 4vw, 48px);
    margin: 0 0 20px;
}

.vision-bg {
    height: 480px;
    inset: 0;
    background: url('../imgs/about/about_07.jpg') center/cover no-repeat;
    z-index: -1;
}

.vision-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 80px 20px;
}

.vision-content p {
    font-size: clamp(18px, 2vw, 22px);
    margin: 0;
    max-width: 800px;
    margin: 0 auto;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
    line-height: 1.6;
}

.Mission-cont {
    width: 100%;
    height: 100%;
    position: relative;
}

.Mission-cont .colbkg {
    position: absolute;
}


.Mission-cont .col {
    width: 100%;
    height: 520px;
}

.Mission-cont-item {
    width: 22.5rem;
    height: 200px;
    padding: 24px;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transform: translateY(0);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    position: absolute;
    cursor: pointer;
    left: 45%;
    top: 45%;
    opacity: 0;
    transition: all 1.8s;
}

.Mission-cont-item:hover {
    background-color: #dbecff;
}

/* .Mission-cont .col .item1{
    left: 15%;
    top: 14%;
  }
  .Mission-cont .col .item2{
    left: 62%;
    top: 0%;
  }
  .Mission-cont .col .item3{
    left: 18%;
    top: 72%;
  }
  .Mission-cont .col .item4{
    left: 55%;
    top: 64%;
  } */

.ApproachSE {
    display: flex;
}

.section-head {
    flex: 1;
}

.ApproachSER {
    flex: 2;
    margin-left: 42px;
}

.ApproachSER-item {
    padding: 24px;
    margin: 16px;
    border-bottom: 1px solid #ccc;
    cursor: pointer;
}

.ApproachSER-item-t {
    font-size: 28px;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.ApproachSER-item-t p {
    width: 2.1rem;
    height: 1.2rem;
    text-align: center;
    line-height: 1.2rem;
    font-size: 0.9rem;
    color: white;
    margin-right: 1rem;
    border-radius: 1.3rem;
    background-color: #000000;
}

.ApproachSER-item-v {
    display: none;
}

.ApproachSER-item:hover .ApproachSER-item-v {
    display: block;
}

/* About1: Mission animation */
.mission-wrap {
    position: relative;
    height: 220px;
    display: grid;
    place-items: center;
}

.mission-core {
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: #0ea5e9;
    box-shadow: 0 0 0 6px #e0f2fe, 0 0 0 12px #eff6ff;
    animation: pulseCore 2.6s ease-in-out infinite;
}

.mission-ring {
    position: absolute;
    border: 2px solid #93c5fd;
    border-radius: 999px;
    opacity: .55;
    animation: growOut 3.2s linear infinite;
}

.mission-ring.ring-1 {
    width: 60px;
    height: 60px;
    animation-delay: .0s;
}

.mission-ring.ring-2 {
    width: 120px;
    height: 120px;
    animation-delay: .6s;
}

.mission-ring.ring-3 {
    width: 180px;
    height: 180px;
    animation-delay: 1.2s;
}

@keyframes pulseCore {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.25);
    }
}

@keyframes growOut {
    0% {
        transform: scale(.8);
        opacity: .6
    }

    100% {
        transform: scale(1.15);
        opacity: .1
    }
}

/* About1: Approach hover accordion */
.approach .approach-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.approach .approach-list li {
    border: 1px solid var(--soft);
    border-radius: 14px;
    background: #fff;
    padding: 12px;
    transition: grid-template-rows .3s ease, background .2s ease, border-color .2s ease;
}

.approach .approach-list li p {
    margin: 6px 0 0;
    color: var(--muted);
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
}

.approach .approach-list li.open {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.approach .approach-list li.open p {
    max-height: 120px;
}

/* About1: Advisors swiper mimic */
.advisors-swiper {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 160px;
    gap: 10px;
    transition: transform .5s ease;
}

.advisors-swiper .slide {
    width: 160px;
    height: 160px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.advisors-swiper img {
    width: 160%;
    height: 160%;
    object-fit: cover;
    transform: scale(1);
    transition: transform .3s ease;
    cursor: pointer;
}

.advisors-swiper.hover img {
    transform: scale(1.08);
}

.advisors-swiper .slide:hover img {
    transform: scale(1.5);
}

/* .advisors-swiper .slide:hover img { width: 120px; height: 120px; } */

.swiperContain {
    width: 960px;
    margin: 0 auto;
    /* overflow: hidden; */
}


.Historyimg {

    width: 70%;
    margin-left: 34px;
}

/* About1: FAQs hover accordion */
.faqs {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.faqs li {
    border: 1px solid var(--soft);
    border-radius: 14px;
    background: #fff;
    overflow: hidden;
}

.faqs button {
    width: 100%;
    text-align: left;
    background: #eaf2ff;
    border: 0;
    padding: 12px 14px;
    font-weight: 700;
    cursor: pointer;
}

.faqs .faq-body {
    padding: 0 16px;
    color: #334155;
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
}

.faqs li.open .faq-body {
    max-height: 160px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 10px 14px;
    box-shadow: var(--shadow-sm);
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn:hover {
    background: var(--primary-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn.ghost {
    background: transparent;
    color: #e2f1ff;
    border: 1px solid #60a5fa99;
    backdrop-filter: blur(4px);
}

.btn.small {
    padding: 8px 12px;
    font-size: 14px;
}

/* Footer */
footer {
    padding: 28px 0;
    color: var(--muted);
    border-top: 1px solid var(--soft);
    margin-top: 28px;
}

/* Responsive */
@media (max-width: 1024px) {
    .col-span-6 {
        grid-column: span 12;
    }

    .col-span-4 {
        grid-column: span 6;
    }

    .col-span-3 {
        grid-column: span 6;
    }

    .about-card {
        grid-column: span 6;
    }

    .two-col .col {
        grid-column: span 12;
    }

    .pub-layout {
        grid-template-columns: 1fr;
    }

    .pub-side {
        position: relative;
        top: 0;
        grid-auto-flow: column;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .pub-side .side-group {
        min-width: 220px;
    }

    .foot-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .nav {
        padding: 18px 0;
    }

    .nav-center.left {
        left: 4%;
    }

    .platform-flow .node {
        grid-column: span 6;
    }
}

@media (max-width: 640px) {
    #backToTop {
        display: none;
    }

    .deliver-tabs {
        top: 0%;
        z-index: 49;

    }

    .nav {
        padding: 10px 0;
    }

    .nav-links {
        gap: 6px;
    }

    .nav-links a {
        padding: 8px 10px;
    }

    .hero-inner {
        padding: 46px 0;
    }

    .grid {
        gap: 10px;
    }

    .pub-item img {
        height: 160px;
    }

    .about-card {
        grid-column: span 12;
    }

    .section {
        padding: 40px 0;
    }

    .news-list li {
        grid-template-columns: 46px 70px 1fr auto;
    }

    .foot-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pub-side {
        gap: 8px;
    }

    .side-head {
        padding: 10px 12px;
        font-size: 14px;
    }

    .pub-hero .hero-mask {
        padding: 64px 0 80px;
    }

    .nav-center {
        position: static;
        transform: none;
    }

    .nav-center.left {
        position: static;
    }

    .grad-btn {
        padding: 10px 14px;
    }

    .platform-flow .node {
        grid-column: span 12;
    }
}




/* // home */

#section_fir {
    opacity: 0;
    transform: translateY(-100%);
    /* 初始向左移动50px */
    transition: all 1.3s;
    /* animation: slideInFromTop 1.3s; */
}

#section_fir.visible {
    opacity: 1;
    transform: translateY(0);
    /* 初始向左移动50px */
}


#section_sec_left {
    opacity: 0;
    transform: translateX(-100%);
    /* 初始向左移动50px */
    transition: all 1.3s;
    /* animation: slideInFromTop 1.3s; */
}

#section_sec_left.visible {
    opacity: 1;
    transform: translateX(0);
    /* 初始向左移动50px */
}


#section_sec_right {
    opacity: 0;
    transform: translateX(100%);
    /* 初始向左移动50px */
    transition: all 1.3s;
    /* animation: slideInFromTop 1.3s; */
}

#section_sec_right.visible {
    opacity: 1;
    transform: translateX(0);
    /* 初始向左移动50px */
}


#section_tre_left {
    opacity: 1;
    transform: translateX(0);
}




#section_tre_right {
    opacity: 1;
    transform: translateX(0);

}


#section_tre_top {
    opacity: 0;
    transform: translateY(-100%);
    /* 初始向左移动50px */
    transition: all 1.3s;
    /* animation: slideInFromTop 1.3s; */
}

#section_tre_top.visible {
    opacity: 1;
    transform: translateY(0);
    /* 初始向左移动50px */
}

#section_four_right {
    opacity: 0;
    transform: translateX(-100%);
    /* 初始向左移动50px */
    transition: all 1.3s;
    /* animation: slideInFromTop 1.3s; */
}

#section_four_right.visible {
    opacity: 1;
    transform: translateX(0);
    /* 初始向左移动50px */
}

#section_five_left {
    opacity: 0;
    transform: translateX(-100%);
    /* 初始向左移动50px */
    transition: all 1.3s;
    /* animation: slideInFromTop 1.3s; */
}

#section_five_left.visible {
    opacity: 1;
    transform: translateX(0);
    /* 初始向左移动50px */
}


#section_five_right {
    opacity: 0;
    transform: translateX(100%);
    /* 初始向左移动50px */
    transition: all 1.3s;
    /* animation: slideInFromTop 1.3s; */
}

#section_five_right.visible {
    opacity: 1;
    transform: translateX(0);
    /* 初始向左移动50px */
}


/* about */
.Mission-cont-item.visible {
    opacity: 1;
}


.Mission-cont .col .item1.visible {

    left: 15%;
    top: 14%;
}

.Mission-cont .col .item2.visible {
    left: 62%;
    top: 0%;
}

.Mission-cont .col .item3.visible {
    left: 18%;
    top: 72%;
}

.Mission-cont .col .item4.visible {
    left: 55%;
    top: 64%;
}

/* 标签页内容样式 */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}