@charset "utf-8";
/* CSS Document */


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

        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background-color: #fff;
            color: #1e2a3e;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        :root {
            --tech-blue: #0a66c2;
            --tech-dark: #054a91;
            --light-gray: #f5f7fb;
            --border-light: #e2e8f0;
            --bg-dark-footer: #232530;
        }

        /* 滚动动画 */
        .animate-up {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.7s cubic-bezier(0.2, 0.9, 0.4, 1.1), transform 0.7s ease;
        }
        .animate-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 头部样式 (与首页完全一致) */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: transparent;
            transition: all 0.3s ease;
            padding: 18px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .header.scrolled {
            background-color: rgba(10, 102, 194, 0.95);
            backdrop-filter: blur(8px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            padding: 30px 5%;
        }
        .logo img { height: 65px; width: auto; display: block; }
        .nav-menu { display: flex; align-items: center; gap: 24px; list-style: none; }
        .nav-item { position: relative; }
        .nav-link { color: white; text-decoration: none; font-weight: 600; font-size: 1rem; padding: 8px 0; transition: 0.2s; display: flex; align-items: center; gap: 6px; }
        .header.scrolled .nav-link { color: #f0f9ff; }
        .nav-link i { font-size: 0.8rem; }
        .dropdown-menu {
            position: absolute;
            top: 40px;
            left: 0;
            background: white;
            box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
            border-radius: 12px;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transition: 0.2s;
            list-style: none;
            padding: 8px 0;
            z-index: 100;
        }
        .nav-item:hover .dropdown-menu { opacity: 1; visibility: visible; top: 32px; }
        .dropdown-menu li a { display: block; padding: 10px 20px; color: #1e2a3e; text-decoration: none; font-size: 0.9rem; transition: 0.2s; }
        .dropdown-menu li a:hover { background-color: var(--tech-blue); color: white; }
        .mobile-toggle { display: none; font-size: 28px; color: white; cursor: pointer; background: none; border: none; }

        @media (max-width: 1024px) {
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 72px;
                flex-direction: column;
                background-color: rgba(10, 102, 194, 0.98);
                backdrop-filter: blur(12px);
                width: 80%;
                height: calc(100vh - 72px);
                padding: 40px 20px;
                gap: 20px;
                transition: 0.3s;
                align-items: flex-start;
                box-shadow: 5px 0 20px rgba(0,0,0,0.2);
                overflow-y: auto;
            }
            .nav-menu.active { left: 0; }
            .mobile-toggle { display: block; }
            .nav-item { width: 100%; }
            .dropdown-menu {
                position: static;
                opacity: 1;
                visibility: visible;
                background: rgba(255,255,255,0.2);
                box-shadow: none;
                margin-top: 8px;
                padding-left: 20px;
                display: none;
                border-radius: 8px;
            }
            .dropdown-menu.active-drop { display: block; }
            .nav-item .nav-link i { transition: 0.2s; }
            .nav-item.open i { transform: rotate(180deg); }
            .dropdown-menu li a { color: #f0f9ff; }
        }

        /* 当前页面激活 */
        .nav-link.active-page {
            border-bottom: 2px solid white;
            padding-bottom: 6px;
        }
        .header.scrolled .nav-link.active-page {
            border-bottom-color: #ffd966;
        }

        @media (max-width: 1024px) {
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 72px;
                flex-direction: column;
                background-color: rgba(10, 102, 194, 0.98);
                backdrop-filter: blur(12px);
                width: 80%;
                height: calc(100vh - 72px);
                padding: 40px 20px;
                gap: 20px;
                transition: 0.3s;
                align-items: flex-start;
                box-shadow: 5px 0 20px rgba(0,0,0,0.2);
                overflow-y: auto;
            }
            .nav-menu.active { left: 0; }
            .mobile-toggle { display: block; }
            .nav-item { width: 100%; }
            .dropdown-menu {
                position: static;
                opacity: 1;
                visibility: visible;
                background: rgba(255,255,255,0.2);
                box-shadow: none;
                margin-top: 8px;
                padding-left: 20px;
                display: none;
                border-radius: 8px;
            }
            .dropdown-menu.active-drop { display: block; }
            .nav-item.open i { transform: rotate(180deg); }
            .dropdown-menu li a { color: #f0f9ff; }
        }

        /* 通用容器 & 分割线 */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 60px 24px;
        }
        .section-title {
            text-align: center;
            margin-bottom: 16px;
            font-size: 2rem;
            color: #0a2540;
        }
        .divider {
            width: 80px;
            height: 3px;
            background: var(--tech-blue);
            margin: 16px auto 32px;
            border-radius: 3px;
        }

        /* ========= 关于我们专属banner ========= */
        .about-banner {
            height: 55vh;
            min-height: 380px;
            background: linear-gradient(107deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.4) 100%), url('../images/ny.jpg') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            position: relative;
            margin-top: 0;
        }
        .about-banner .banner-text h1 {
            font-size: 3.5rem;
            letter-spacing: 2px;
            margin-bottom: 1rem;
            text-shadow: 0 2px 12px rgba(0,0,0,0.3);
        }
        .about-banner .banner-text p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.9;
        }
        @media (max-width: 768px) {
            .about-banner .banner-text h1 { font-size: 2.2rem; }
            .about-banner .banner-text p { font-size: 1rem; }
            .about-banner { min-height: 300px; }
        }

        /* 左右布局主体 */
        .about-layout {
            display: flex;
            gap: 40px;
            margin-top: 20px;
        }
        /* 左侧分类导航 */
        .about-sidebar {
            flex: 0 0 280px;
            background: #f8fafc;
            border-radius: 28px;
            padding: 24px 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.02);
            border: 1px solid var(--border-light);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar-title {
            font-size: 1.3rem;
            font-weight: 700;
            padding: 0 16px 16px;
            border-bottom: 2px solid var(--tech-blue);
            display: inline-block;
            margin-bottom: 20px;
            width: 100%;
        }
        .category-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .category-list li {
            border-radius: 60px;
            transition: all 0.2s;
        }
        .cat-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 20px;
            font-weight: 600;
            color: #2c3e50;
            text-decoration: none;
            border-radius: 60px;
            transition: 0.25s;
            font-size: 1rem;
        }
        .cat-link i {
            width: 28px;
            font-size: 1.2rem;
            color: var(--tech-blue);
        }
        .category-list li.active .cat-link {
            background: var(--tech-blue);
            color: white;
            box-shadow: 0 6px 12px rgba(10,102,194,0.2);
        }
        .category-list li.active .cat-link i {
            color: white;
        }
        .cat-link:hover:not(.active) {
            background: #e9f0f9;
            transform: translateX(4px);
        }

        /* 右侧内容区域 */
        .about-content {
            flex: 1;
            background: white;
            border-radius: 28px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: 0 12px 30px rgba(0,0,0,0.03);
            transition: all 0.3s;
        }
        .content-header-wrapper {
            padding: 28px 32px 0 32px;
        }
        .content-header {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 16px;
        }
        .content-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0a2540;
            position: relative;
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: #5b6e8c;
        }
        .breadcrumb a {
            color: var(--tech-blue);
            text-decoration: none;
        }
        .breadcrumb span {
            color: #2c3e50;
        }
        .blue-divider {
            height: 3px;
            background: var(--tech-blue);
            width: 100%;
            border-radius: 3px;
            margin: 8px 0 20px 0;
        }
        .content-body {
            padding: 8px 32px 40px 32px;
            line-height: 1.65;
            color: #2d3e50;
        }
        /* 内容内部样式增强 */
        .content-body p {
            margin-bottom: 1rem;
        }
        .content-body h3 {
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
            color: var(--tech-dark);
        }
        .honor-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        .honor-item {
            background: #f9f9fc;
            border-radius: 16px;
            text-align: center;
            padding: 12px;
            border: 1px solid #eef2ff;
            transition: 0.2s;
        }
        .honor-item img {
            width: 100%;
            height: 110px;
            object-fit: contain;
            margin-bottom: 10px;
        }
        .timeline {
            list-style: none;
            margin-top: 20px;
        }
        .timeline li {
            display: flex;
            gap: 20px;
            margin-bottom: 28px;
            border-left: 2px solid var(--tech-blue);
            padding-left: 24px;
            position: relative;
        }
        .timeline-year {
            font-weight: 800;
            font-size: 1.2rem;
            min-width: 80px;
            color: var(--tech-blue);
        }
        .org-chart {
            background: #f1f5f9;
            padding: 20px;
            border-radius: 24px;
            text-align: center;
            font-weight: 500;
        }
        @media (max-width: 992px) {
            .about-layout { flex-direction: column; }
            .about-sidebar {
                flex: auto;
                width: 100%;
                position: static;
                top: 0;
                overflow-x: auto;
                padding: 16px;
            }
            .category-list {
                flex-direction: row;
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 8px;
                gap: 12px;
            }
            .cat-link {
                white-space: nowrap;
                padding: 8px 18px;
            }
            .sidebar-title { display: none; }
            .content-header-wrapper { padding: 20px 20px 0; }
            .content-body { padding: 8px 24px 32px; }
            .content-header h2 { font-size: 1.5rem; }
        }
        @media (max-width: 580px) {
            .container { padding: 40px 18px; }
            .content-body { padding: 8px 18px 28px; }
        }

        /* 底部样式 (沿用首页) */
        .footer { background: var(--bg-dark-footer); color: #aaa; padding: 50px 24px 20px; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 40px; max-width: 1280px; margin: 0 auto; }
        .footer-col h4 { color: white; margin-bottom: 20px; font-size: 1.1rem; }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-col a { color: #ccc; text-decoration: none; transition: 0.2s; }
        .footer-col a:hover { color: var(--tech-blue); }
        .qr-img { width: 100px; margin-bottom: 10px; border-radius: 12px; }
        .footer-copyright { text-align: center; border-top: 1px solid #3a3e4a; padding-top: 30px; margin-top: 40px; font-size: 0.85rem; }
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: #ffffffdd;
            backdrop-filter: blur(12px);
            border-top: 1px solid #e2e8f0;
            padding: 12px 20px;
            justify-content: space-around;
            z-index: 999;
            box-shadow: 0 -2px 12px rgba(0,0,0,0.05);
        }
        .mobile-bottom-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            text-decoration: none;
            color: #1e293b;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .mobile-bottom-nav a i { font-size: 1.5rem; color: var(--tech-blue); }
        @media (max-width: 768px) {
            .footer { padding-bottom: 80px; }
            .mobile-bottom-nav { display: flex; }
        }
        img { max-width: 100%; }