* { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
            background: #f5faff;
            color: #0a2540;
            line-height: 1.6;
            scroll-behavior: smooth;
        }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 40px; }

        /* ===== navbar（固定菜单） ===== */
        .navbar {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,80,200,0.06);
            position: sticky; top:0; z-index:100;
            padding: 14px 0;
        }
        .nav-inner {
            display: flex; align-items: center; justify-content: space-between;
            flex-wrap: wrap; gap: 12px;
        }
        .logo-area {
            display: flex; align-items: center;
            text-decoration: none;
        }
        .logo-area img { height: 40px; width: auto; display: block; }
        .nav-links {
            display: flex; gap: 24px; align-items: center; flex-wrap: wrap;
        }
        .nav-links a {
            text-decoration: none; font-weight: 500; color: #1d3b5a;
            font-size: 0.92rem; transition: 0.2s; position: relative;
        }
        .nav-links a::after {
            content:''; position:absolute; bottom:-2px; left:0; width:0;
            height:2px; background: #0066ff; transition: width 0.3s;
        }
        .nav-links a:hover::after { width:100%; }
        .nav-links a:hover { color:#0066ff; }
        .nav-links a.active { color:#0066ff; }
        .nav-links a.active::after { width:100%; }
        .btn-nav {
            background: #0066ff; color:#fff !important;
            padding: 8px 24px; border-radius: 40px;
            font-weight:600; font-size:0.85rem;
            box-shadow: 0 4px 16px rgba(0,102,255,0.18);
            transition: all 0.3s;
        }
        .btn-nav::after { display:none !important; }
        .btn-nav:hover { background: #0052cc; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,102,255,0.25); }

        .section-badge {
            display: inline-block; background: rgba(0,102,255,0.04);
            border: 1px solid rgba(0,102,255,0.06); border-radius: 40px;
            padding: 3px 18px; font-size: 0.75rem; font-weight: 600;
            color: #0066ff; margin-bottom: 4px;
        }
        .section-title {
            font-size: 1.8rem; font-weight: 700; color: #0a2540;
        }
        .section-title i { color: #0066ff; margin-right: 8px; }
        .section-sub { color: #2f5478; font-size: 0.95rem; }

        /* ===== 关于英雄区 ===== */
        .about-hero {
            padding: 70px 0 60px;
            background: linear-gradient(135deg, #ffffff 0%, #e6f0ff 100%);
        }
        .about-hero .hero-content {
            max-width: 820px; margin: 0 auto; text-align: center;
        }
        .about-hero .hero-badge {
            display: inline-block; background: rgba(0,102,255,0.06);
            border: 1px solid rgba(0,102,255,0.08); border-radius: 40px;
            padding: 6px 22px; font-size: 0.85rem; font-weight: 600;
            color: #0066ff; margin-bottom: 14px;
        }
        .about-hero h1 {
            font-size: 3.2rem; font-weight: 800; color: #0a2540;
            line-height: 1.08; margin-bottom: 12px;
        }
        .about-hero h1 .highlight { color: #0066ff; }
        .about-hero .hero-desc {
            font-size: 1.08rem; color: #2f5478; max-width: 720px;
            margin: 0 auto 20px; line-height: 1.9;
        }
        .about-hero .hero-desc strong { color: #0a2540; }

        /* ===== 品牌故事 ===== */
        .story-section { padding: 60px 0 70px; background: #ffffff; border-top: 1px solid rgba(0,102,255,0.04); }
        .story-grid {
            display: grid; grid-template-columns: 1fr 1fr;
            gap: 50px; align-items: center;
        }
        .story-text h2 { font-size: 1.8rem; font-weight: 700; color: #0a2540; margin-bottom: 12px; }
        .story-text h2 i { color: #0066ff; margin-right: 8px; }
        .story-text p { color: #2f5478; font-size: 0.95rem; line-height: 1.9; margin-bottom: 12px; }
        .story-text .highlight-box {
            background: #f0f7ff; border-left: 4px solid #0066ff;
            padding: 16px 20px; border-radius: 8px; margin-top: 12px;
        }
        .story-text .highlight-box strong { color: #0066ff; }
        .story-image {
            background: #f7faff; border-radius: 20px; padding: 16px;
            border: 1px solid rgba(0,102,255,0.04);
        }
        .story-image img {
            width: 100%; height: auto; border-radius: 12px; display: block;
        }

        /* ===== 数据统计 ===== */
        .stats-section { padding: 50px 0 60px; background: #f7faff; border-top: 1px solid rgba(0,102,255,0.04); }
        .stats-grid {
            display: grid; grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stats-item {
            text-align: center; padding: 24px 16px;
            background: #ffffff; border-radius: 16px;
            border: 1px solid rgba(0,102,255,0.04);
            transition: 0.3s;
        }
        .stats-item:hover { transform: translateY(-4px); border-color: rgba(0,102,255,0.08); }
        .stats-item .number { font-size: 2.6rem; font-weight: 800; color: #0066ff; }
        .stats-item .number .small { font-size: 1.2rem; font-weight: 400; color: #5a7fa0; }
        .stats-item .label { font-size: 0.9rem; color: #2f5478; margin-top: 4px; }

        /* ===== 核心技术 ===== */
        .tech-section { padding: 60px 0 70px; background: #ffffff; border-top: 1px solid rgba(0,102,255,0.04); }
        .tech-grid {
            display: grid; grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .tech-card {
            background: #f7faff; border-radius: 20px; padding: 32px 24px 28px;
            text-align: center; border: 1px solid rgba(0,102,255,0.04);
            transition: 0.3s;
        }
        .tech-card:hover { transform: translateY(-6px); border-color: rgba(0,102,255,0.08); box-shadow: 0 12px 28px rgba(0,102,255,0.04); }
        .tech-card .icon { font-size: 2.8rem; color: #0066ff; margin-bottom: 14px; display: block; }
        .tech-card h3 { font-size: 1.2rem; font-weight: 700; color: #0a2540; }
        .tech-card p { font-size: 0.9rem; color: #2f5478; line-height: 1.7; margin-top: 6px; }

        /* ===== 发展历程 ===== */
        .timeline-section { padding: 60px 0 70px; background: #f7faff; border-top: 1px solid rgba(0,102,255,0.04); }
        .timeline {
            max-width: 800px; margin: 0 auto; position: relative;
            padding-left: 40px;
        }
        .timeline::before {
            content: ''; position: absolute; left: 12px; top: 0; bottom: 0;
            width: 3px; background: #0066ff; opacity: 0.2;
        }
        .timeline-item {
            position: relative; padding: 20px 0 20px 30px;
            border-left: 3px solid transparent;
        }
        .timeline-item::before {
            content: ''; position: absolute; left: -23px; top: 26px;
            width: 16px; height: 16px; border-radius: 50%;
            background: #0066ff; border: 3px solid #fff;
            box-shadow: 0 0 0 3px #0066ff;
        }
        .timeline-item .year {
            font-size: 1.2rem; font-weight: 800; color: #0066ff;
        }
        .timeline-item .title { font-size: 1.05rem; font-weight: 700; color: #0a2540; }
        .timeline-item .desc { color: #2f5478; font-size: 0.9rem; margin-top: 2px; }

        /* ===== 企业文化 ===== */
        .culture-section { padding: 60px 0 70px; background: #ffffff; border-top: 1px solid rgba(0,102,255,0.04); }
        .culture-grid {
            display: grid; grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .culture-item {
            text-align: center; padding: 28px 20px;
            background: #f7faff; border-radius: 20px;
            border: 1px solid rgba(0,102,255,0.04);
            transition: 0.3s;
        }
        .culture-item:hover { transform: translateY(-4px); border-color: rgba(0,102,255,0.08); }
        .culture-item i { font-size: 2.6rem; color: #0066ff; margin-bottom: 10px; display: block; }
        .culture-item h4 { font-size: 1.1rem; font-weight: 700; color: #0a2540; }
        .culture-item p { font-size: 0.88rem; color: #2f5478; margin-top: 4px; }

        /* 2026年7月24日新增 - 未来展望卡片 */
        .future-section {
            padding: 60px 0 70px;
            background: linear-gradient(145deg, #0b1b33, #162b4a);
            border-top: 1px solid rgba(56,189,248,0.08);
            color: #dce8f5;
        }
        .future-section .section-title {
            color: #eff7ff;
        }
        .future-section .section-title i {
            color: #38bdf8;
        }
        .future-section .section-sub {
            color: #8aa9d1;
        }
        .future-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 32px;
        }
        .future-card {
            background: rgba(255,255,255,0.04);
            border-radius: 20px;
            padding: 32px 24px 28px;
            text-align: center;
            border: 1px solid rgba(56,189,248,0.06);
            transition: 0.3s;
        }
        .future-card:hover {
            transform: translateY(-6px);
            border-color: rgba(56,189,248,0.15);
            box-shadow: 0 12px 28px rgba(56,189,248,0.04);
        }
        .future-card .icon {
            font-size: 2.8rem;
            color: #38bdf8;
            margin-bottom: 14px;
            display: block;
        }
        .future-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #eff7ff;
        }
        .future-card p {
            font-size: 0.9rem;
            color: #94a3b8;
            line-height: 1.7;
            margin-top: 6px;
        }
        .future-card .badge-future {
            display: inline-block;
            background: rgba(56,189,248,0.08);
            color: #7fc9ff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 14px;
            border-radius: 30px;
            border: 1px solid rgba(56,189,248,0.04);
            margin-top: 8px;
        }
        .future-divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #38bdf8, transparent);
            margin: 8px auto 16px;
        }
        .future-section .stats-mini {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.04);
        }
        .future-section .stats-mini .stat {
            text-align: center;
        }
        .future-section .stats-mini .stat .num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #60c0ff;
        }
        .future-section .stats-mini .stat .label {
            font-size: 0.78rem;
            color: #8aa9d1;
        }

        /* ===== 底部 ===== */
        .footer {
            background: #0a2540; color: rgba(255,255,255,0.7);
            padding: 50px 0 30px; border-top: 3px solid #0066ff;
        }
        .footer a { color: rgba(255,255,255,0.6); text-decoration: none; transition: 0.2s; }
        .footer a:hover { color: #ffffff; }
        .footer .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px; margin-bottom: 30px;
        }
        .footer .brand-col .logo {
            font-size: 1.8rem; font-weight: 700; color: #fff;
            display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
        }
        .footer .brand-col .logo i { color: #0066ff; }
        .footer .brand-col .logo span { color: #0066ff; }
        .footer .brand-col p { font-size: 0.9rem; line-height: 1.7; max-width: 340px; }
        .footer .col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 14px; letter-spacing: 0.3px; }
        .footer .col ul { list-style: none; }
        .footer .col ul li { margin-bottom: 8px; }
        .footer .col ul li a { font-size: 0.9rem; }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 18px; display: flex; flex-wrap: wrap;
            justify-content: center; align-items: center; gap: 12px; font-size: 0.8rem;
        }
        .footer .footer-bottom .icp { color: rgba(255,255,255,0.4); text-align: center; }
        .footer .footer-bottom .icp a { color: rgba(255,255,255,0.4); }
        .footer .footer-bottom .icp a:hover { color: #fff; }
        .footer .footer-bottom .icp .sep { margin: 0 10px; color: rgba(255,255,255,0.15); }

        @media (max-width: 1024px) {
            .container { padding: 0 30px; }
            .about-hero h1 { font-size: 2.6rem; }
            .story-grid { grid-template-columns: 1fr; text-align: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .tech-grid { grid-template-columns: 1fr 1fr; }
            .culture-grid { grid-template-columns: 1fr 1fr; }
            .future-grid { grid-template-columns: 1fr 1fr; }
            .footer .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 20px; }
            .nav-inner { flex-direction: column; align-items: center; }
            .nav-links { justify-content: center; gap: 10px; }
            .about-hero h1 { font-size: 2.2rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .tech-grid { grid-template-columns: 1fr; }
            .culture-grid { grid-template-columns: 1fr; }
            .future-grid { grid-template-columns: 1fr; }
            .timeline { padding-left: 20px; }
            .timeline-item { padding-left: 16px; }
            .timeline-item::before { left: -13px; width: 12px; height: 12px; }
            .footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 14px; }
            .about-hero h1 { font-size: 1.8rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .footer .footer-grid { grid-template-columns: 1fr; gap: 20px; text-align: center; }
            .footer .brand-col p { max-width: 100%; }
            .story-image { padding: 10px; }
            .future-grid { grid-template-columns: 1fr; }
        }