/* --- 1. 基础配置 --- */
/* 在你的 style.css 中添加 */
@font-face {
    font-family: 'Oswald';
    font-style: normal;
    font-weight: 400;
    src: url('../fonts/Oswald-Regular.woff2') format('woff2');
}

@font-face {
    font-family: 'Oswald';
    font-style: normal;
    font-weight: 700;
    src: url('../fonts/Oswald-Bold.woff2') format('woff2');
}

:root {
    --primary: #0AADA8;
    --primary-green: #0AADA8;
    --primary-light: #5DDBD7;
    --accent: #06B6D4;
    --deep: #0C2340;
    --deep-green: #0C2340;
    --stats-green: #0891B2;
    --stats-hover: #0AADA8;
    --bg-gray: #F0FDFB;
    --white: #FFFFFF;
    --text-dark: #1a2e3b;
    --text-mid: #4a6572;
    --border-white: rgba(255, 255, 255, 0.25);
    --glass-bg: rgba(255, 255, 255, 0.55);
    --glass-border: rgba(255, 255, 255, 0.70);
    --glass-shadow: 0 8px 40px rgba(10, 173, 168, 0.10), 0 2px 12px rgba(0, 0, 0, 0.06);
    --ease: cubic-bezier(0.25, 1, 0.5, 1);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 整页软渐变背景 */
body {
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    color: var(--text-dark);
    background:
        radial-gradient(ellipse at 15% 20%, rgba(10, 173, 168, 0.10) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 70%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(10, 173, 168, 0.06) 0%, transparent 60%),
        #f4fdfb;
    background-attachment: fixed;
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

img {

    width: 100%;
    height: 100%;

    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.img-zoom-box {
    overflow: hidden;
    width: 100%;
    height: 100%;
}

.img-zoom-box:hover img {
    transform: scale(1.1);
}

/* --- 2. Header --- */
.site-header {
    background: linear-gradient(120deg, #008580 0%, #0AADA8 52%, #1DCFCB 100%);
    color: #fff;
    color: var(--white);
    position: relative;
    z-index: 100;
    box-shadow: 0 4px 24px rgba(10, 173, 168, 0.15);
    overflow: hidden;
}

/* --- DNA 螺旋背景 --- */
.dna-clip {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

/* 矢量 DNA（保留，缩小为辅助装饰） */
.dna-bg {
    display: none;
}

/* DNA 螺旋动画 */
@keyframes dnaHelix {
    0% {
        transform: translateY(0%) scaleX(1);
    }

    25% {
        transform: translateY(-3%) scaleX(0.97);
    }

    50% {
        transform: translateY(-6%) scaleX(1);
    }

    75% {
        transform: translateY(-3%) scaleX(1.03);
    }

    100% {
        transform: translateY(0%) scaleX(1);
    }
}

@keyframes dnaGlow {

    0%,
    100% {
        opacity: 0.70;
    }

    50% {
        opacity: 0.82;
    }
}

/* 3D 发光 DNA 图片层 */
.dna-photo {
    position: absolute;
    top: -20%;
    right: -2%;
    width: 65%;
    height: 145%;
    pointer-events: none;
    mix-blend-mode: normal;
    opacity: 0;
    object-fit: cover;
    object-position: center center;
    animation: dnaHelix 12s ease-in-out infinite,
        dnaGlow 12s ease-in-out infinite;
    transform-origin: 60% 48%;
    /* 四边渐出：左/上/下边软化，右边也收 */
    -webkit-mask-image: radial-gradient(ellipse 75% 65% at 60% 48%,
            rgba(0, 0, 0, 1) 20%,
            rgba(0, 0, 0, 0.8) 45%,
            rgba(0, 0, 0, 0.3) 68%,
            transparent 88%);
    mask-image: radial-gradient(ellipse 75% 65% at 60% 48%,
            rgba(0, 0, 0, 1) 20%,
            rgba(0, 0, 0, 0.8) 45%,
            rgba(0, 0, 0, 0.3) 68%,
            transparent 88%);
}

.dna-fade-top,
.dna-fade-bottom,
.dna-fade-left,
.dna-fade-right {
    display: none;
}

/* 确保 header 内容层叠在 DNA 上方 */
.header-brand-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 26px 20px;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.header-brand-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 30px 20px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

/* Logo 放大 0.5 倍（90 → 135px），间距缩小一半（8px → 4px） */
.brand-logo {
    height: 135px;
    width: auto;
    margin-right: 4px;
    flex-shrink: 0;
}

.brand-text h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 2px;
    line-height: 1.2;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.brand-text p {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    margin-top: 6px;
}

/* ─── MAIN NAV ─── */
.header-nav {
    background: #0AADA8;
    position: sticky;
    top: 0;
    z-index: 800;
    box-shadow: 0 2px 12px rgba(10, 173, 168, 0.20);
    border-bottom: none;
}

.nav-list {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 4px;
    height: 56px;
}

/* nav-item-wrap：不加 padding，靠 nav-list align-items:center 垂直居中 */
.nav-item-wrap {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    z-index: 9999;
}

.nav-item-wrap::after {
    display: none;
}

/* 圆角矩形按钮 */
.nav-link {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.92);
    font-weight: 700;
    display: inline-block;
    padding: 7px 22px;
    min-width: 88px;
    text-align: center;
    letter-spacing: 0.08em;
    border-radius: 10px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.40);
    position: relative;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.nav-item-wrap:hover .nav-link,
.nav-item-wrap:focus-within .nav-link {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}

.nav-link::after {
    display: none;
}

/* 下拉菜单：宽度 = 按钮宽 + 6px，左偏 -3px 居中对齐，top:100% 不交叠 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: -3px;
    width: auto;
    min-width: calc(100% + 6px);
    z-index: 9999;
    background: rgba(255, 255, 255, 1);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border);
    color: var(--text-dark);
    box-shadow: 0 16px 48px rgba(10, 173, 168, 0.15), 0 2px 8px rgba(0, 0, 0, 0.06);
    border-top: 3px solid var(--primary-green);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: all 0.25s ease;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    margin-top: 0;
    padding-top: 0;
}

/* 透明桥接，防止鼠标移向菜单时消失 */
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
}

.nav-item-wrap:hover .dropdown-menu,
.nav-item-wrap:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

@keyframes itemSlideIn {
    from {
        opacity: 0;
        transform: translateX(-6px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.dropdown-item {
    display: block;
    padding: 8px 16px;
    font-size: 17px;
    border-bottom: 1px solid rgba(10, 173, 168, 0.10);
    white-space: nowrap;
    text-align: center;
    transition: background 0.22s ease, color 0.22s ease, padding-left 0.22s ease;
    position: relative;
    overflow: hidden;
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    bottom: 0;
    width: 100%;
    background: linear-gradient(90deg, rgba(10, 173, 168, 0.12) 0%, rgba(34, 211, 238, 0.18) 100%);
    transition: left 0.28s ease;
    z-index: 0;
}

.dropdown-item:hover::before {
    left: 0;
}

.dropdown-item:hover {
    color: var(--primary-green);
    padding-left: 24px;
}

.dropdown-item,
.dropdown-item span {
    position: relative;
    z-index: 1;
}

/* --- 3. Hero Section --- */
.hero {
    height: 620px;
    position: relative;
    overflow: hidden;
}

#rpn {
    background-position: center;
    background-repeat: no-repeat;
}

.hero-slider {
    width: 100%;
    height: 100%;
    display: flex;
    transition: transform 0.6s ease-in-out;
}

.hero-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    background-position: center;
    background-size: cover;
}

.hero-slide img {
    width: 100%;
    height: 620px;
    object-fit: cover;
}

/*
          hero-bottom: flex 列，贴在 hero 底部
          箭头在上，标题栏在下，天然不重叠
        */
.hero-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    z-index: 10;
}

/*
          箭头左边距 = "新闻热点"文字左边距
          = (viewport - 1320px) / 2  [版心居中偏移]
          + 20px  [fixed-height-container padding]
          + 40px  [square-title padding-left]
          = max(calc((100% - 1320px) / 2 + 60px), 60px)
        */
.hero-arrows {
    display: flex;
    gap: 10px;
    margin-left: max(calc((100% - 1320px) / 2 + 60px), 60px);
    margin-bottom: 8px;
}

/*
          标题栏：全宽，左内边距对齐"新闻热点"，高度 -20%（padding 12px vs 原15px）
        */
.hero-caption {
    width: 100%;
    background-color: rgba(10, 173, 168, 0.12);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    border-bottom: 4px solid #06B6D4;
    box-shadow: 0 -2px 20px rgba(6, 182, 212, 0.3);
    padding: 12px max(calc((100% - 1320px) / 2 + 60px), 60px);
}

.hero-caption h2 {
    color: #ffffff;
    font-size: 28px;
    font-weight: 700;
    margin: 0;
}

.hero-caption p {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 14px;
    margin-top: 4px;
}

.sq-btn {
    width: 45px;
    height: 45px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    background: rgba(0, 0, 0, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.3s;
}

.sq-btn::before {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    border-top: 2px solid white;
    border-right: 2px solid white;
    transition: 0.3s;
}

.sq-btn.prev::before {
    transform: rotate(-135deg);
    margin-left: 4px;
}

.sq-btn.next::before {
    transform: rotate(45deg);
    margin-right: 4px;
}

.sq-btn:hover {
    background: var(--primary-green);
    border-color: var(--primary-green);
}

/* --- 4. 核心布局 --- */
.section {
    padding: 50px 0;
    position: relative;
}

.bg-white {
    background: #ffffff;
}

.bg-gray {
    background: #F4F7F7;
}

.lists-section {
    background: #F4F7F7;
}

.fixed-height-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 0px;
    display: flex;
    height: 420px;
    gap: 0;
    position: relative;
}

.fixed-height-container.reverse {
    flex-direction: row-reverse;
}

.square-title {
    width: 330px;
    height: 100%;
    flex-shrink: 0;
    background-color: var(--primary-green);
    color: var(--white);
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 5;
    box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.2), inset -4px 0 0 rgba(6, 182, 212, 0.4);
}

/* 白线与标题等宽：用 inline-flex 列容器包裹，线宽 100% 自动随文字收缩 */
.title-group {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
}

.title-text span {
    display: block;
    font-size: 42px;
    font-weight: 700;
    line-height: 1.1;
}

.title-line {
    width: 100%;
    height: 4px;
    background-color: var(--white);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 15px;
    opacity: 0.9;
    margin-top: 20px;
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

.title-text,
.circle-arrows {
    position: relative;
    z-index: 2;
}

.scroll-wrapper {
    flex: 1;
    height: 100%;
    overflow: hidden;
    position: relative;
    background: transparent;
    z-index: 2;
}

.scroll-track-seamless {
    display: flex;
    height: 100%;
    gap: 0;
    padding: 0;
    overflow-x: auto;
    scrollbar-width: none;
    scroll-behavior: smooth;
}

.scroll-track-padded {
    display: flex;
    height: 100%;
    gap: 0;
    padding: 0 0px;
    overflow-x: auto;
    scrollbar-width: none;
    scroll-behavior: smooth;
}

.scroll-track-seamless::-webkit-scrollbar,
.scroll-track-padded::-webkit-scrollbar {
    display: none;
}

/* --- 5. 卡片样式 --- */
.news-card {
    min-width: 330px;
    height: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    transition: 0.3s;
}

.news-card:hover {
    background: rgba(255, 255, 255, 0.80);
    box-shadow: 0 8px 32px rgba(10, 173, 168, 0.12);
    transform: translateY(-2px);
}

.news-img-wrap {
    height: 55%;
    width: 100%;
}

.news-body {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-tag {
    color: var(--primary-green);
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 10px;
}

.news-title {
    font-size: 20px;
    font-weight: bold;
    line-height: 1.4;
    color: #222;
}

.research-card {
    min-width: 330px;
    height: 100%;
/*    background: var(--glass-bg);*/
background: linear-gradient(0deg in oklch, #0AADA8 0%, #FFFFFF 50%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-right: 1px solid var(--glass-border);
    padding: 40px 30px 0 30px;
    display: flex;
    flex-direction: column;
    transition: 0.3s;
}

.research-card:hover {
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 8px 32px rgba(10, 173, 168, 0.12);
    transform: translateY(-2px);
}

.r-date-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 10px;
    color: var(--primary-green);
}

.r-date-main {
    font-size: 42px;
    font-weight: 300;
    line-height: 1;
}

.r-date-year {
    font-size: 14px;
    font-weight: 400;
    opacity: 0.8;
}

.r-separator {
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, #0AADA8, #06B6D4);
    margin-bottom: 25px;
}

.r-title {
    font-size: 20px;
    font-weight: bold;
    line-height: 1.4;
    color: #222;
    margin-bottom: 20px;
}

.r-img-full-bottom {
    width: calc(100% + 60px);
    margin-left: -30px;
    height: 210px;
    margin-top: auto;
}

.r-img-full-bottom img {
    object-fit: contain;
}

.nav-arrows {
    margin-top: auto;
    display: flex;
    gap: 10px;
    position: relative;
    z-index: 2;
}

.nav-arrows .sq-btn {
    border-color: rgba(200, 245, 245, 0.75);
    background: transparent;
}

.nav-arrows .sq-btn:hover {
    background: var(--white);
    border-color: var(--white);
}

.nav-arrows .sq-btn:hover::before {
    border-color: var(--primary-green);
}

.academic-card {
    min-width: 330px;
    height: 100%;
    position: relative;
    border-right: 1px solid rgba(255, 255, 255, 0.5);
}

.academic-img-full {
    width: 100%;
    height: 100%;
    filter: brightness(0.9);
}

.academic-card:hover .academic-img-full {
    filter: brightness(0.7);
}

/* 内容区贴底，badge+标题整体底部对齐卡片底边 */
.ac-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 60px 30px 28px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.55) 60%, transparent 100%);
}

.ac-badge {
    background: var(--primary-green);
    color: white;
    padding: 5px 12px;
    font-size: 14px;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 12px;
}

.ac-title {
    color: white;
    font-size: 20px;
    font-weight: bold;
    line-height: 1.4;
}

/* --- 6. 列表区 --- */
.lists-grid {
    max-width: 1320px;
    margin: 0 auto;
    padding: 50px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.list-header {
    border-bottom: 2px solid var(--primary-green);
    padding-bottom: 15px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.list-header h3 {
    color: var(--primary-green);
    font-size: 22px;
    font-weight: bold;
}

.more-btn {
    border: 1px solid var(--primary-green);
    color: var(--primary-green);
    padding: 4px 18px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    transition: 0.3s;
    text-decoration: none;
    display: inline-block;
}

.more-btn:hover {
    background-color: var(--primary-green);
    color: white;
}

.more {
    display: none;
}

.list-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 10px;
    border-bottom: 1px solid rgba(10, 173, 168, 0.12);
    border-radius: 6px;
    transition: 0.2s;
    margin-bottom: 2px;
}

.list-item:hover {
    color: var(--primary-green);
    cursor: pointer;
    background: rgba(10, 173, 168, 0.07);
    padding-left: 16px;
    box-shadow: inset 3px 0 0 var(--primary-green);
}

/* --- 7. 数据统计 --- */
.stats-section {
    background:
        linear-gradient(135deg, #088C88 0%, #0AADA8 50%, #15BDBA 100%);
    padding: 0;
    color: var(--white);
    text-align: center;
    min-height: 240px;
    display: flex;
    align-items: stretch;
}

.stats-title {
    display: none;
}

.stats-grid {
    max-width: 1320px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    border-top: 1px solid var(--border-white);
    border-left: 1px solid var(--border-white);
}

.stat-item {
    padding: 28px 16px;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: auto;
    min-height: 196px;
    position: relative;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.20), 0 0 0 1px rgba(255, 255, 255, 0.25);
    z-index: 2;
    border-radius: var(--radius-sm);
}

.stat-num {
    font-size: 56px;
    font-weight: 700;
    line-height: 1;
    font-family: 'Oswald', sans-serif;
    text-shadow: 0 0 22px rgba(34, 211, 238, 0.6);
    margin-bottom: 14px;
    transition: transform 0.3s;
}

.stat-item:hover .stat-num {
    transform: scale(1.05);
}

.stat-num sup {
    font-size: 28px;
    vertical-align: top;
    margin-left: 3px;
}

.stat-line {
    width: 36px;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.5);
    margin: 0 auto 14px;
    transition: width 0.3s;
}

.stat-item:hover .stat-line {
    width: 56px;
    background-color: #fff;
}

.stat-label {
    font-size: 15px;
    opacity: 0.9;
}

/* Footer */
footer {
    background: linear-gradient(160deg, #0D6E6B 0%, #0E7C78 55%, #0F8A85 100%);
    color: rgba(255, 255, 255, 0.90);
    padding: 0;
    font-size: 13px;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.10);
}

.footer-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 20px 20px 16px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-left h2 {
    color: #fff;
    font-size: 20px;
    font-weight: normal;
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.footer-left h3 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    opacity: 0.7;
}

.footer-contact p {
    margin-bottom: 8px;
}

.footer-contact p:first-child {
    margin-bottom: 15px;
    letter-spacing: 2px;
    font-size: 12px;
    opacity: 0.5;
}

.footer-right {
    text-align: center;
}

.qr-box {
    width: 120px;
    height: 120px;
    border: 1px dashed rgba(255, 255, 255, 0.3);
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.qr-mock {
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.5) 30%, transparent 31%);
    background-size: 10px 10px;
}

.qr-text {
    font-size: 12px;
    letter-spacing: 1px;
}

.copyright {
    max-width: 1320px;
    margin: 0 auto;
    padding: 10px 20px 0;
    display: flex;
    justify-content: space-between;
    opacity: 0.6;
    font-size: 12px;
}


/* 搜索模态框背景遮罩 */
.modal {
    display: none;
    /* 默认隐藏 */
    position: fixed;
    z-index: 900;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    /* 半透明黑色背景 */
}

/* 模态框内容区域 */
.modal-content {
    background-color: #fff;
    margin: 8% auto;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 640px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    animation: modalFadeIn 0.3s ease-out;
}

/* 关闭按钮 */
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    position: absolute;
    right: 15px;
    top: 10px;
}

.close:hover,
.close:focus {
    color: #000;
}

/* 标题样式 */
.modal-header {
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

/* 内容区域 */
.modal-body {
    margin: 20px 0;
}

#searchmodal input {
    height: 26px;
    line-height: 26px;
    font-size: 16px;
}

#searchmodal select {
    width: 95%;
    height: 26px;
    line-height: 26px;
    font-size: 16px;
}

#searchmodal table tbody tr:last-child {
    display: none;
}

/* 底部按钮区域 */
.modal-footer {
    border-top: 1px solid #eee;
    padding-top: 15px;
    text-align: right;
}

.btn {
    padding: 8px 16px;
    margin-left: 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: #088a85;
    color: white;
}

.btn-primary:hover {
    background-color: #0AADA8;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8891;
}

/* 表格整体样式 */
#searchmodal table {
    width: 100%;
    max-width: 1000px;
    border-collapse: collapse;
    margin: 20px auto;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(10, 173, 168, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

/* 表头样式 */
#searchmodal thead th {
    background-color: #0AADA8;
    color: white;
    padding: 15px 12px;
    text-align: left;
    font-weight: bold;
    font-size: 16px;
    border-bottom: 2px solid #088a85;
}

/* 表体单元格样式 */
#searchmodal tbody td {
    padding: 12px;
    border-bottom: 1px solid #e0e0e0;
    transition: background-color 0.3s ease;
}

#searchmodal tr:nth-child(7) td {
    border-bottom: none;
}

/* 奇数行背景色 */
#searchmodal tbody tr:nth-child(odd) {
    background-color: #f8fdfd;
}

/* 偶数行背景色 */
tbody tr:nth-child(even) {
    background-color: #f0faf9;
}

/* 鼠标悬停效果 */
#searchmodal tbody tr:hover {
    background-color: #e6f7f6;
    cursor: pointer;
}

/* 最后一行去除底部边框 */
#searchmodal tbody tr:last-child td {
    border-bottom: none;
}

/* 进入动画 */
@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 900px) {

    .fixed-height-container,
    .fixed-height-container.reverse {
        flex-direction: column;
        height: auto;
    }

    .square-title {
        width: 100%;
        height: auto;
        padding: 30px;
    }

    .scroll-track-seamless,
    .scroll-track-padded {
        overflow-x: auto;
        height: auto;
        padding-bottom: 20px;
    }

    .news-card,
    .research-card,
    .academic-card {
        min-width: 300px;
        height: 350px;
        border-right: none;
        margin-right: 15px;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border-white);
    }

    .header-brand-container {
        justify-content: center;
        flex-direction: column;
    }

    .brand-logo {
        margin-bottom: 10px;
        margin-right: 0;
    }

    .nav-list {
        flex-wrap: wrap;
        height:auto;

    }

    .nav-item-wrap {
        display: inline-block;
        float:left;
        margin: 6px auto;
    }

    .footer-inner {
        flex-direction: column;
        gap: 40px;
    }

    .copyright {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .hero-arrows {
        left: 20px;
        bottom: 20px;
    }

    .hero-caption {
        width: auto;
        padding: 15px;
        bottom: 80px;
    }
}

@media (max-width: 640px) {
    #notice .lists-grid {
        display: inline-block;
    }

    #rczp {
        margin-top: 24px;
    }
}