/* CSS Document */

        /* ============================================================
                   全局重置 & 基础
                   ============================================================ */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;}

        body {
            font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
            background: linear-gradient(145deg, #f5f0f0 0%, #e8e0e0 100%);
            color: #1e1a1a;
            line-height: 1.7;
            font-size: 22px;
            min-height: 100vh;}

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

        ul {
            list-style: none;}

        .container {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;}

        /* ============================================================
                   颜色变量 - 红色系主色调
                   ============================================================ */
        :root {
            --primary: #8B0000;
            --primary-dark: #5C0000;
            --primary-light: #A52A2A;
            --primary-bg: #f5ecec;
            --accent: #C41E3A;
            --text-dark: #1e1a1a;
            --text-light: #6a5a5a;
            --border: #e2d6d6;
            --shadow: 0 8px 30px rgba(139, 0, 0, 0.08);
            --radius: 12px;
            --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);}

        /* ============================================================
                   HEADER : logo图片 + 搜索按钮 + 标语
                   ============================================================ */
        .site-header {
            background: var(--primary-dark);
            border-bottom: 3px solid var(--accent);
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 1001;
            box-shadow: 0 4px 20px rgba(139, 0, 0, 0.25);
            height: 110px;
            display: flex;
            align-items: center;}

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;}

        .header-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;}

        .header-logo .logo-img {
            height: 64px;
            width: auto;
            max-width: 100%;
            display: block;
            object-fit: contain;
            filter: brightness(0) invert(1);}

        /* 右侧：搜索按钮 + 标语 */
        .header-right {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            flex-shrink: 0;
            gap: 2px;}

        .header-search-btn {
            background: rgba(255, 255, 255, 0.0);
           border: 0px solid rgba(255, 255, 255, 0.2);
            font-size: 26px;
            color: #fff;
            cursor: pointer;
          /*  padding: 8px 18px;*/
            border-radius: 50px;
            transition: background 0.2s, color 0.2s;
            flex-shrink: 0;
            line-height: 1.4;}

        .header-search-btn:hover {
            background: rgba(255, 255, 255, 0.0);
            color: #fff;}

        .header-slogan {
            font-size: 22px;
            
            color: rgba(255, 255, 255, 1);
            letter-spacing: 1.5px;
            font-weight: 700;
            text-align: right;
            white-space: nowrap;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);}

        /* ============================================================
                   搜索蒙版 (红色系)
                   ============================================================ */
        .search-overlay {
            position: fixed;
            inset: 0;
            background: rgba(92, 0, 0, 0.95);
            z-index: 2000;
            display: none;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(12px);
            padding: 20px;}

        .search-overlay.active {
            display: flex;}

        .search-overlay .close-btn {
            position: absolute;
            top: 30px;
            right: 40px;
            background: none;
            border: none;
            color: #fff;
            font-size: 44px;
            cursor: pointer;
            opacity: 0.7;
            transition: opacity 0.2s;}

        .search-overlay .close-btn:hover {
            opacity: 1;}

        .search-overlay .search-box {
           /* width: 100%;*/
            max-width: 720px;
            display: flex;
            gap: 0;
            background: #fff;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 8px 48px rgba(0, 0, 0, 0.3);}

        .search-overlay .search-box input {
            flex: 1;
            padding: 24px 36px;
            border: none;
            font-size: 22px;
            outline: none;
            background: transparent;}

        .search-overlay .search-box button {
            padding: 24px 44px;
            background: var(--primary);
            color: #fff;
            border: none;
            font-size: 22px;
            cursor: pointer;
            transition: background 0.2s;}

        .search-overlay .search-box button:hover {
            background: var(--primary-dark);}

        /* ============================================================
                   导航栏 (红色系，比header稍浅以区分)
                   ============================================================ */
        .main-nav {
            background: var(--primary);
            position: sticky;
            top: 110px;
            z-index: 1002;
            box-shadow: 0 4px 16px rgba(139, 0, 0, 0.20);
            height: 64px;
            display: flex;
            align-items: center;
            border-bottom: 2px solid var(--accent);}

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            width: 100%;}

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0;
            height: 100%;}

        .nav-menu>li {
            position: relative;
            height: 100%;
            display: flex;
            align-items: center;}

        .nav-menu>li>a {
            display: flex;
            align-items: center;
            padding: 0 28px;
            height: 100%;
            color: rgba(255, 255, 255, 0.92);
            font-size: 18px;
            font-weight: 500;
            letter-spacing: 0.5px;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
            position: relative;}

        .nav-menu>li>a:hover,
        .nav-menu>li>a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;}

        .nav-menu>li>a .arrow {
            font-size: 12px;
            margin-left: 6px;
            transition: transform 0.25s;}

        .nav-menu>li:hover>a .arrow {
            transform: rotate(180deg);}

        .nav-menu .sub-menu {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 210px;
            background: #fff;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
            border-radius: 0 0 var(--radius) var(--radius);
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
            z-index: 100;
            border-top: 3px solid var(--primary);}

        .nav-menu>li:hover .sub-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);}

        .nav-menu .sub-menu li a {
            display: block;
            padding: 12px 28px;
            color: var(--text-dark);
            font-size: 17px;
            transition: background 0.2s, color 0.2s;}

        .nav-menu .sub-menu li a:hover {
            background: #f5ecec;
            color: var(--primary);}

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px 4px;
            z-index: 1003;}

        .hamburger-btn span {
            display: block;
            width: 32px;
            height: 3px;
            background: #fff;
            border-radius: 3px;
            transition: 0.3s;}

        /* ============================================================
                   移动端导航 (汉堡菜单下拉)
                   ============================================================ */
        .mobile-nav-overlay {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #fff;
            padding: 0;
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.18);
            border-top: 2px solid var(--accent);
            max-height: 80vh;
            overflow-y: auto;
            z-index: 1003;
            border-radius: 0 0 var(--radius) var(--radius);}

        .mobile-nav-overlay.open {
            display: block;}

        .mobile-nav-overlay .mob-nav-item {
            width: 100%;
            border-bottom: 1px solid #e8e0e0;}

        .mobile-nav-overlay .mob-nav-item:last-child {
            border-bottom: none;}

        .mobile-nav-overlay .mob-nav-item>a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            font-size: 20px;
            font-weight: 500;
            color: var(--text-dark);
            width: 100%;
            transition: background 0.2s;}

        .mobile-nav-overlay .mob-nav-item>a:hover {
            background: #f5ecec;}

        .mobile-nav-overlay .mob-nav-item>a .arrow {
            font-size: 15px;
            transition: transform 0.3s;
            color: var(--text-light);}

        .mobile-nav-overlay .mob-nav-item>a.active .arrow {
            transform: rotate(180deg);}

        .mobile-nav-overlay .mob-sub {
            display: none;
            padding: 0 24px 18px 40px;
            background: #faf5f5;}

        .mobile-nav-overlay .mob-sub.open {
            display: block;}

        .mobile-nav-overlay .mob-sub li {
            border-bottom: 1px dashed #e8e0e0;}

        .mobile-nav-overlay .mob-sub li:last-child {
            border-bottom: none;}

        .mobile-nav-overlay .mob-sub li a {
            display: block;
            padding: 12px 0;
            font-size: 17px;
            color: var(--text-light);
            transition: color 0.2s;}

        .mobile-nav-overlay .mob-sub li a:hover {
            color: var(--primary);}

        /* ============================================================
                   BANNER : 全屏宽度
                   ============================================================ */
        .banner-section {
            padding: 30px 0 40px;
            background: transparent;
            position: relative;
            width: 100%;
            overflow: hidden;}

        .banner-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: -10%;
            width: 120%;
            height: 120%;
            background: radial-gradient(circle at 20% 30%, rgba(139, 0, 0, 0.03) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;}

        .banner-section .swiper-container {
            width: 100%;
            padding: 20px 0 50px;
            overflow: hidden;
            position: relative;
            z-index: 1;}

        .banner-section .swiper-slide {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s;
            background: #fff;}

        .banner-section .swiper-slide img {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;}

        .banner-section .swiper-slide .slide-label {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px 36px;
            background: linear-gradient(transparent, rgba(92, 0, 0, 0.8));
            color: #fff;
            font-size: 24px;
            font-weight: 600;
            letter-spacing: 0.5px;}

        .banner-section .swiper-pagination22 {
            position: relative;
            margin-top: 16px;
            text-align: center;}

        .banner-section .swiper-pagination22 .swiper-pagination-bullet {
            width: 14px;
            height: 14px;
            background: var(--primary);
            opacity: 0.3;}

        .banner-section .swiper-pagination22 .swiper-pagination-bullet-active {
            opacity: 1;
            background: var(--primary);}

        .banner-section .swiper-button-next,
        .banner-section .swiper-button-prev {
            color: var(--primary);
            background: rgba(255, 255, 255, 0.85);
            width: 52px;
            height: 52px;
            border-radius: 50%;
            backdrop-filter: blur(8px);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
            transition: transform 0.2s, background 0.2s;}

        .banner-section .swiper-button-next:hover,
        .banner-section .swiper-button-prev:hover {
            transform: scale(1.06);
            background: #fff;}

        .banner-section .swiper-button-next::after,
        .banner-section .swiper-button-prev::after {
            font-size: 22px;
            font-weight: 700;}

        /* ============================================================
                   学术活动 : 左文章 + 右图片轮播
                   ============================================================ */
        .section-academic {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 36px 30px;
            margin-bottom: 40px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: box-shadow 0.3s;}

        .section-academic:hover {
            box-shadow: 0 12px 40px rgba(139, 0, 0, 0.08);}

        .section-academic .section-header {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 18px;
            margin-bottom: 30px;
            position: relative;}

        .section-academic .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1px;}

        .section-academic .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 70px;
            height: 3px;
            background: var(--accent);}

        .section-academic .section-header .more {
            font-size: 18px;
            color: var(--text-light);
            transition: color 0.2s;}

        .section-academic .section-header .more:hover {
            color: var(--accent);}

        .academic-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            overflow: hidden;}

        .academic-articles {
            overflow: hidden;}

        .academic-articles ul li {
            padding: 16px 0;
            border-bottom: 1px solid #f0ecec;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;}

        .academic-articles ul li:last-child {
            border-bottom: none;}

        .academic-articles ul li a {
            color: var(--text-dark);
            font-size: 19px;
            transition: color 0.2s;
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;}

        .academic-articles ul li a:hover {
            color: var(--primary);}

        .academic-articles ul li .date {
            color: var(--text-light);
            font-size: 16px;
            white-space: nowrap;
            flex-shrink: 0;}

        .academic-marquee {
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            background: #faf5f5;}

        .academic-marquee .swiper-container-marquee {
            width: 100%;
            overflow: hidden;
            border-radius: 12px;}

        .academic-marquee .swiper-container-marquee .swiper-slide {
            border-radius: 12px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);}

        .academic-marquee .swiper-container-marquee .swiper-slide img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            display: block;}

        .academic-marquee .swiper-container-marquee .swiper-slide .slide-caption {
            padding: 18px 22px;
            font-size: 18px;
            color: var(--text-dark);
            background: #fff;
            border-top: 1px solid #f0ecec;
            text-align: center;
            font-weight: 500;}

        .marquee-controls {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 22px;
            margin-top: 20px;}

        .marquee-controls .swiper-pagination-marquee {
            position: static;
            display: flex;
            gap: 10px;}

        .marquee-controls .swiper-pagination-marquee .swiper-pagination-bullet {
            width: 14px;
            height: 14px;
            background: var(--primary);
            opacity: 0.25;
            border-radius: 50%;
            transition: opacity 0.2s;}

        .marquee-controls .swiper-pagination-marquee .swiper-pagination-bullet-active {
            opacity: 1;}

        .marquee-controls .swiper-btn {
            background: #f5ecec;
            border: none;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            font-size: 20px;
            color: var(--primary);
            cursor: pointer;
            transition: background 0.2s, color 0.2s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;}

        .marquee-controls .swiper-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);}

        /* ============================================================
                   教育教学 + 科学研究 + 通知公告 (三列均分)
                   日期格式：上日下年月
                   ============================================================ */
        .section-edu-journal {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-bottom: 40px;}

        .block-card {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px 20px;
            min-width: 0;
            overflow: hidden;
            word-break: break-word;
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: box-shadow 0.3s;}

        .block-card:hover {
            box-shadow: 0 12px 40px rgba(139, 0, 0, 0.08);}

        .block-card .block-header {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 14px;
            margin-bottom: 18px;
            position: relative;}

        .block-card .block-header h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;}

        .block-card .block-header h3::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--accent);}

        .block-card .block-header .more {
            font-size: 16px;
            color: var(--text-light);
            transition: color 0.2s;}

        .block-card .block-header .more:hover {
            color: var(--accent);}

        /* 单列列表 - 日期上下：上日下行年月 */
        .edu-list {
            display: flex;
            flex-direction: column;
            gap: 6px;}

        .edu-list-item {
            background: #f5ecec;
            border-radius: var(--radius);
            padding: 10px 14px;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);}

        .edu-list-item:hover {
            background: #e8dcdc;
            transform: translateX(4px);
            box-shadow: 0 4px 12px rgba(139, 0, 0, 0.06);}

        /* 日期区域 - 上下结构，上日下行年月 */
        .edu-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            min-width: 56px;
            padding: 2px 0;
            line-height: 1.2;
            text-align: center;}

        .edu-date .edu-day {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;}

        .edu-date .edu-month {
            font-size: 12px;
            color: var(--text-light);
            font-weight: 400;
            letter-spacing: 0.3px;}

        .edu-list-item .edu-title {
            font-size: 19px;
            font-weight: 500;
            color: var(--text-dark);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
            word-break: break-word;
            flex: 1;}

        .edu-list-item .edu-title a {
            color: inherit;
            transition: color 0.2s;}

        .edu-list-item .edu-title a:hover {
            color: var(--primary);}

        /* ============================================================
                   党建交流 : 三栏各33%
                   ============================================================ */
        .section-party {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 36px 36px 28px;
            margin-bottom: 40px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: box-shadow 0.3s;}

        .section-party:hover {
            box-shadow: 0 12px 40px rgba(139, 0, 0, 0.08);}

        .section-party .section-header {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 16px;
            margin-bottom: 26px;
            position: relative;}

        .section-party .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;}

        .section-party .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 55px;
            height: 3px;
            background: var(--accent);}

        .section-party .section-header .more {
            font-size: 18px;
            color: var(--text-light);
            transition: color 0.2s;}

        .section-party .section-header .more:hover {
            color: var(--accent);}

        .party-grid {
            display: grid;
            grid-template-columns: 1fr 1fr ;
            gap: 26px;}

        .party-col {
            background: #f5ecec;
            border-radius: var(--radius);
            padding: 22px 24px 18px;
            transition: background 0.2s, transform 0.2s;}

        .party-col:hover {
            background: #e8dcdc;
            transform: translateY(-3px);}

        .party-col .party-col-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary);
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(139, 0, 0, 0.15);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;}

        .party-col .party-col-title i {
            font-size: 22px;}

        .party-col ul li {
            padding: 12px 0;
            border-bottom: 1px dashed rgba(0, 0, 0, 0.06);
            font-size: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;}

        .party-col ul li:last-child {
            border-bottom: none;}

        .party-col ul li a {
            color: var(--text-dark);
            transition: color 0.2s;
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;}

        .party-col ul li a:hover {
            color: var(--primary);}

        .party-col ul li .date {
            color: var(--text-light);
            font-size: 14px;
            white-space: nowrap;
            flex-shrink: 0;}

        /* ============================================================
                   FOOTER : 红色系
                   ============================================================ */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.9);
            padding: 52px 0 36px;
            margin-top: 20px;
            border-top: 4px solid var(--accent);}

        .site-footer .container {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 52px;
            align-items: start;}

        .footer-left {
            display: flex;
            flex-direction: column;
            gap: 8px;}

        .footer-left .footer-name {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;}

        .footer-left .footer-addr {
            font-size: 17px;
            opacity: 0.75;
            line-height: 1.9;}

        .footer-left .footer-contact {
            font-size: 17px;
            opacity: 0.75;
            line-height: 1.9;}

        .footer-left .footer-copy {
            font-size: 16px;
            opacity: 0.5;
            margin-top: 12px;}

        .footer-right {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;}

        .footer-right .qr-placeholder {
            width: 140px;
            height: 140px;
           /* background: #fff;*/
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: var(--text-light);
            flex-direction: column;
            gap: 8px;
            padding: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.20);}

        .footer-right .qr-placeholder i {
            font-size: 52px;
            color: var(--primary);}

        .footer-right .qr-placeholder span {
            text-align: center;
            font-size: 15px;
            color: var(--text-light);}

        .footer-right .qr-label {
            font-size: 16px;
            opacity: 0.7;}


/* ============================================================
                   友情链接 (新增)
                   ============================================================ */
        .friend-links {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 255, 255, 0.6);
            padding: 32px 36px 28px;
            margin-bottom: 40px;
        }

        .friend-links .friend-header {
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 14px;
            margin-bottom: 22px;
            position: relative;
        }

        .friend-links .friend-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .friend-links .friend-header h2::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 55px;
            height: 3px;
            background: var(--accent);
        }

        .friend-links .friend-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px 34px;
        }

        .friend-links .friend-grid a {
            font-size: 16px;
            color: var(--text-dark);
            transition: color 0.2s;
            white-space: nowrap;
            position: relative;
        }

        .friend-links .friend-grid a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.25s;
        }

        .friend-links .friend-grid a:hover {
            color: var(--primary);
        }

        .friend-links .friend-grid a:hover::after {
            width: 100%;
        }

        .friend-links .friend-grid .sep {
            color: var(--border);
            font-size: 18px;
            user-select: none;
        }
        /* ============================================================
                   响应式
                   ============================================================ */
        @media (max-width: 1024px) {
            .banner-section .swiper-slide img {}
            .academic-grid {
                gap: 28px;}
            .academic-marquee .swiper-container-marquee .swiper-slide img {
                height: 280px;}
            .section-edu-journal {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;}
            .edu-list-item {
                padding: 8px 12px;}
            .edu-list-item .edu-title {
                font-size: 15px;}
            .edu-date .edu-day {
                font-size: 22px;}
            .edu-date .edu-month {
                font-size: 11px;}
            .edu-date {
                min-width: 48px;}
            .block-card {
                padding: 20px 16px 16px;}
            .block-card .block-header h3 {
                font-size: 20px;}
            .header-logo .logo-img {
                height: 52px;}
            .header-slogan {
                font-size: 12px;}
            .site-header {
                height: 100px;}
            .main-nav {
                top: 100px;}
        }

        @media (max-width: 768px) {
            body {
                font-size: 19px;}

            .site-header {
                height: 88px;
                padding: 8px 0;}

            .site-header .container {
                height: 72px;}

            .header-logo .logo-img {
                height: 40px;}

            .header-search-btn {
                font-size: 20px;
                padding: 6px 12px;}

            .header-slogan {
                font-size: 10px;
                letter-spacing: 1px;}

            .header-right {
                gap: 1px;}

            .main-nav {
                top: 88px;
                height: 56px;}
            .main-nav .container {
                height: 100%;}

            .nav-menu {
                display: none;}
            .hamburger-btn {
                display: flex;}
            .mobile-nav-overlay {
                display: none;}
            .mobile-nav-overlay.open {
                display: block;}

            .mobile-nav-overlay .mob-nav-item {
                border-bottom: 1px solid #e8e0e0;}
            .mobile-nav-overlay .mob-nav-item>a {
                padding: 16px 20px;
                font-size: 19px;}
            .mobile-nav-overlay .mob-sub {
                padding: 0 20px 16px 32px;}
            .mobile-nav-overlay .mob-sub li a {
                font-size: 16px;
                padding: 10px 0;}

            .banner-section .swiper-slide img {}
            .banner-section .swiper-slide .slide-label {
                font-size: 20px;
                padding: 16px 22px;}

            .section-academic {
                padding: 26px 20px 20px;}
            .section-academic .section-header h2 {
                font-size: 28px;}
            .academic-grid {
                grid-template-columns: 1fr;
                gap: 30px;}
            .academic-articles ul li a {
                font-size: 18px;}
            .academic-articles ul li .date {
                font-size: 15px;}
            .academic-marquee .swiper-container-marquee .swiper-slide img {
                height: 240px;}
            .academic-marquee .swiper-container-marquee .swiper-slide .slide-caption {
                font-size: 17px;}

            .section-edu-journal {
                grid-template-columns: 1fr;
                gap: 22px;}
            .block-card {
                padding: 22px 20px 18px;
                width: 100%;}
            .block-card .block-header h3 {
                font-size: 24px;}
            .edu-list-item {
                padding: 10px 14px;
                gap: 12px;}
            .edu-list-item .edu-title {
                font-size: 17px;}
            .edu-date .edu-day {
                font-size: 24px;}
            .edu-date .edu-month {
                font-size: 12px;}
            .edu-date {
                min-width: 54px;}

            .section-party {
                padding: 26px 20px 18px;}
            .section-party .section-header h2 {
                font-size: 26px;}
            .party-grid {
                grid-template-columns: 1fr;
                gap: 20px;}
            .party-col {
                padding: 18px 20px 14px;}
            .party-col .party-col-title {
                font-size: 19px;}
            .party-col ul li {
                font-size: 15px;}

            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 34px;
                text-align: center;}
            .footer-right {
                align-items: center;}
            .footer-left .footer-name {
                font-size: 24px;}
            .footer-left .footer-addr,
            .footer-left .footer-contact {
                font-size: 16px;}

            .search-overlay .search-box input {
                padding: 18px 26px;
                font-size: 19px;}
            .search-overlay .search-box button {
                padding: 18px 30px;
                font-size: 19px;}
            .search-overlay .close-btn {
                top: 20px;
                right: 24px;
                font-size: 34px;}
        }

        @media (max-width: 480px) {
            body {
                font-size: 17px;}

            .site-header {
                height: 76px;
                padding: 6px 0;}

            .site-header .container {
                height: 64px;}

            .header-logo .logo-img {
                height: 32px;}

            .header-search-btn {
                font-size: 16px;
                padding: 5px 10px;}

            .header-slogan {
                font-size: 9px;
                letter-spacing: 0.5px;}

            .header-right {
                gap: 0px;}

            .main-nav {
                top: 76px;
                height: 50px;}

            .mobile-nav-overlay .mob-nav-item>a {
                padding: 14px 16px;
                font-size: 17px;}
            .mobile-nav-overlay .mob-sub {
                padding: 0 16px 14px 24px;}
            .mobile-nav-overlay .mob-sub li a {
                font-size: 15px;
                padding: 8px 0;}

            .banner-section .swiper-slide img {}
            .banner-section .swiper-slide .slide-label {
                font-size: 17px;
                padding: 14px 18px;}
            .banner-section .swiper-button-next,
            .banner-section .swiper-button-prev {
                width: 38px;
                height: 38px;}
            .banner-section .swiper-button-next::after,
            .banner-section .swiper-button-prev::after {
                font-size: 16px;}

            .section-academic .section-header h2 {
                font-size: 24px;}
            .section-academic .section-header .more {
                font-size: 16px;}
            .academic-articles ul li a {
                font-size: 16px;}
            .academic-articles ul li .date {
                font-size: 13px;}
            .academic-marquee .swiper-container-marquee .swiper-slide img {
                height: 200px;}
            .academic-marquee .swiper-container-marquee .swiper-slide .slide-caption {
                font-size: 15px;
                padding: 14px 16px;}

            .edu-list-item {
                padding: 8px 12px;
                gap: 10px;}
            .edu-list-item .edu-title {
                font-size: 15px;}
            .edu-date .edu-day {
                font-size: 20px;}
            .edu-date .edu-month {
                font-size: 10px;}
            .edu-date {
                min-width: 44px;}

            .block-card .block-header h3 {
                font-size: 22px;}
            .block-card .block-header .more {
                font-size: 15px;}

            .section-party .section-header h2 {
                font-size: 24px;}
            .section-party .section-header .more {
                font-size: 16px;}
            .party-col .party-col-title {
                font-size: 17px;}
            .party-col ul li {
                font-size: 14px;}

            .footer-left .footer-name {
                font-size: 22px;}
            .footer-left .footer-addr,
            .footer-left .footer-contact {
                font-size: 15px;}
            .footer-right .qr-placeholder {
                width: 108px;
                height: 108px;}
            .footer-right .qr-placeholder i {
                font-size: 38px;}
        }
      /* ============================================================
                   响应式 - 友情链接适配
                   ============================================================ */
        @media (max-width: 768px) {
            .friend-links {
                padding: 22px 18px 18px;
            }
            .friend-links .friend-header h2 {
                font-size: 22px;
            }
            .friend-links .friend-grid {
                gap: 6px 12px;
                justify-content: center;
            }
            .friend-links .friend-grid a {
                font-size: 14px;
                white-space: nowrap;
            }
            .friend-links .friend-grid .sep {
                display: none;
            }
        }

        @media (max-width: 480px) {
            .friend-links {
                padding: 16px 14px 14px;
            }
            .friend-links .friend-header h2 {
                font-size: 20px;
            }
            .friend-links .friend-grid {
                gap: 4px 10px;
            }
            .friend-links .friend-grid a {
                font-size: 13px;
            }
        }