* { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
            background: #f4f8fc;
            color: #0a2540;
            line-height: 1.6;
        }
        .container { max-width: 80%; margin: 0 auto; padding: 0 40px; }
        .navbar {
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0,80,200,0.06);
            position: sticky; top:0; z-index:100;
            padding: 12px 0;
        }
        .nav-inner {
            display: flex; align-items: center; justify-content: space-between;
            flex-wrap: wrap; gap: 12px;
        }
        .logo-area {
            display: flex; align-items: center; gap: 8px;
            font-weight: 700; font-size: 1.6rem; color: #0a2540;
            text-decoration: none;
        }
        .logo-area img { height: 40px; width: auto; display: block; }
        .logo-area span { color: #0055dd; }
        .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;
        }
        .nav-links a:hover { color:#0055dd; }
        .btn-nav {
            background: #0055dd; color:#fff !important;
            padding: 8px 24px; border-radius: 40px;
            font-weight:600; font-size:0.85rem;
            box-shadow: 0 4px 16px rgba(0,85,221,0.18);
            transition: all 0.3s;
        }
        .btn-nav:hover { background: #0044bb; transform: translateY(-2px); }
        .breadcrumb {
            padding: 14px 0 10px;
            background: #ffffff;
            border-bottom: 1px solid rgba(0,85,221,0.04);
            font-size: 0.85rem;
            color: #5a7fa0;
        }
        .breadcrumb a { color: #0055dd; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb .sep { margin: 0 8px; color: #c0d0e0; }
        /* 区块1: 英雄区 */
        .page-hero {
            padding: 60px 0 50px;
            background: linear-gradient(135deg, #ffffff 0%, #e8f0fe 100%);
            border-bottom: 1px solid rgba(0,85,221,0.04);
        }
        .hero-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
        }
        .hero-left {
            flex: 1.2;
            min-width: 300px;
        }
        .hero-left .badge {
            display: inline-block;
            background: rgba(0,85,221,0.06);
            border: 1px solid rgba(0,85,221,0.08);
            border-radius: 40px;
            padding: 6px 22px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #0055dd;
            margin-bottom: 12px;
        }
        .hero-left h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0a2540;
        }
        .hero-left h1 .highlight { color: #0055dd; }
        .hero-left p {
            font-size: 1.05rem;
            color: #2f5478;
            max-width: 520px;
            line-height: 1.9;
            margin-top: 8px;
        }
        .hero-left .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 20px;
        }
        .btn-primary {
            background: #0055dd;
            color: #fff;
            padding: 14px 38px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: 0.3s;
        }
        .btn-primary:hover { background: #0044bb; transform: translateY(-2px); }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(0,85,221,0.15);
            color: #1d3b5a;
            padding: 14px 28px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: 0.3s;
        }
        .btn-outline:hover { border-color: #0055dd; color: #0055dd; }
        .hero-right {
            flex: 0.8;
            min-width: 200px;
            background: #ffffff;
            border-radius: 20px;
            padding: 30px 28px;
            border: 1px solid rgba(0,85,221,0.06);
            box-shadow: 0 4px 20px rgba(0,85,221,0.04);
            text-align: center;
        }
        .hero-right .num { font-size: 2.4rem; font-weight: 800; color: #0055dd; }
        .hero-right .label { font-size: 0.85rem; color: #2f5478; }
        .hero-right .divider { width: 30px; height: 2px; background: #0055dd; margin: 8px auto; }
        .section-header { text-align:center; margin-bottom: 36px; }
        .section-badge {
            display:inline-block; background:rgba(0,85,221,0.04);
            border:1px solid rgba(0,85,221,0.06); border-radius:40px;
            padding:4px 20px; font-size:0.8rem; font-weight:600;
            color:#0055dd; margin-bottom:6px;
        }
        .section-title { font-size:2rem; font-weight:700; color:#0a2540; }
        .section-title i { color:#0055dd; margin-right:8px; }
        .section-sub { color:#2f5478; font-size:1rem; }
        /* 区块2: 统计 */
        .stats-section { padding: 50px 0 60px; background: #f7faff; border-bottom: 1px solid rgba(0,85,221,0.04); }
        .stats-grid {
            display: grid; grid-template-columns: repeat(4, 1fr);
            gap: 24px; max-width: 900px; margin: 0 auto;
        }
        .stats-item {
            text-align: center; background: #ffffff; border-radius: 16px;
            padding: 28px 16px; border: 1px solid rgba(0,85,221,0.04);
        }
        .stats-item .num { font-size: 2rem; font-weight: 800; color: #0055dd; }
        .stats-item .label { font-size: 0.85rem; color: #2f5478; margin-top: 2px; }
        /* 区块3: 分类导航 */
        .category-section { padding: 50px 0 60px; background: #ffffff; border-bottom: 1px solid rgba(0,85,221,0.04); }
        .category-tabs {
            display: flex; flex-wrap: wrap; gap: 12px;
            justify-content: center; max-width: 700px; margin: 0 auto;
        }
        .category-tabs a {
            display: inline-block;
            background: #f7faff; color: #1d3b5a;
            padding: 8px 24px; border-radius: 40px;
            font-weight: 500; font-size: 0.9rem;
            text-decoration: none; border: 1px solid rgba(0,85,221,0.04);
            transition: 0.3s;
        }
        .category-tabs a:hover, .category-tabs a.active {
            background: #0055dd; color: #fff;
            border-color: #0055dd;
        }
        /* 区块4: 文章列表 - 带图片 */
        .blog-section { padding: 60px 0 70px; background: #ffffff; }
        .blog-grid {
            display: grid; grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .blog-card {
            background: #f7faff;
            border-radius: 16px;
            padding: 24px 22px;
            border: 1px solid rgba(0,85,221,0.04);
            transition: 0.3s;
            display: flex;
            flex-direction: column;
        }
        .blog-card:hover { transform: translateY(-4px); border-color: rgba(0,85,221,0.08); }
        .blog-card .cat {
            display: inline-block;
            background: rgba(0,85,221,0.06);
            color: #0055dd;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.7rem;
            font-weight: 600;
            align-self: flex-start;
            margin-bottom: 6px;
        }
        .blog-card .card-img {
            width: 100%;
            height: 140px;
            background: #dce4f0;
            border-radius: 12px;
            margin: 10px 0 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #2f5478;
            font-size: 0.8rem;
            background-size: cover;
            background-position: center;
            background-color: #e4ebf5;
            overflow: hidden;
        }
        .blog-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .blog-card .card-img-placeholder {
            background: #dce4f0;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #5a7fa0;
            font-weight: 500;
        }
        .blog-card h2 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #0a2540;
            margin: 6px 0 6px;
        }
        .blog-card h2 a { color: #0a2540; text-decoration: none; }
        .blog-card h2 a:hover { color: #0055dd; }
        .blog-card p { font-size: 0.9rem; color: #2f5478; line-height: 1.7; flex: 1; }
        .blog-card .meta {
            font-size: 0.75rem; color: #5a7fa0;
            margin-top: 12px;
            padding-top: 10px;
            border-top: 1px solid rgba(0,85,221,0.04);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .blog-card .meta a { color: #0055dd; text-decoration: none; font-weight: 500; }
        .blog-card .meta a:hover { text-decoration: underline; }
        /* 区块5: 热门文章 */
        .popular-section { padding: 60px 0 70px; background: #f7faff; border-top: 1px solid rgba(0,85,221,0.04); }
        .popular-grid {
            display: grid; grid-template-columns: repeat(3, 1fr);
            gap: 24px; max-width: 1000px; margin: 0 auto;
        }
        .popular-item {
            display: flex; gap: 16px;
            align-items: flex-start;
            background: #ffffff; border-radius: 12px;
            padding: 16px 18px;
            border: 1px solid rgba(0,85,221,0.04);
            transition: 0.3s;
        }
        .popular-item:hover { border-color: rgba(0,85,221,0.08); transform: translateY(-2px); }
        .popular-item .rank {
            font-size: 1.4rem;
            font-weight: 800;
            color: #0055dd;
            opacity: 0.4;
            min-width: 32px;
            line-height: 1.4;
        }
        .popular-item .content h4 { font-size: 0.95rem; font-weight: 600; color: #0a2540; }
        .popular-item .content h4 a { color: #0a2540; text-decoration: none; }
        .popular-item .content h4 a:hover { color: #0055dd; }
        .popular-item .content .views { font-size: 0.75rem; color: #5a7fa0; }
        /* 区块6: 订阅 */
        .subscribe-section { padding: 50px 0 60px; background: #ffffff; border-top: 1px solid rgba(0,85,221,0.04); }
        .subscribe-box {
            max-width: 700px; margin: 0 auto;
            text-align: center; background: #f7faff;
            border-radius: 20px; padding: 40px 44px;
            border: 1px solid rgba(0,85,221,0.04);
        }
        .subscribe-box h3 { font-size: 1.4rem; font-weight: 700; color: #0a2540; }
        .subscribe-box p { color: #2f5478; margin-top: 4px; }
        .subscribe-box .btn-sub {
            display: inline-block; margin-top: 16px;
            background: #0055dd; color: #fff;
            padding: 12px 40px; border-radius: 60px;
            font-weight: 600; font-size: 0.95rem;
            text-decoration: none; transition: 0.3s;
        }
        .subscribe-box .btn-sub:hover { background: #0044bb; transform: translateY(-2px); }
        /* 区块7: 关于博客 */
        .about-blog { padding: 50px 0 60px; background: #f7faff; border-top: 1px solid rgba(0,85,221,0.04); }
        .about-blog-grid {
            display: grid; grid-template-columns: repeat(3, 1fr);
            gap: 30px; max-width: 1000px; margin: 0 auto;
        }
        .about-blog-item {
            text-align: center; background: #ffffff; border-radius: 16px;
            padding: 28px 20px; border: 1px solid rgba(0,85,221,0.04);
        }
        .about-blog-item i { font-size: 2.2rem; color: #0055dd; margin-bottom: 10px; display: block; }
        .about-blog-item h4 { font-size: 1rem; font-weight: 700; color: #0a2540; }
        .about-blog-item p { font-size: 0.85rem; color: #2f5478; margin-top: 4px; }
        .footer {
            background: #0a2540;
            color: rgba(255,255,255,0.7);
            padding: 50px 0 30px;
            border-top: 3px solid #0055dd;
        }
        .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:#0055dd; }
        .footer .brand-col .logo span { color:#0055dd; }
        .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; color: rgba(255,255,255,0.6); transition: 0.2s; }
        .footer .col ul li a:hover { color: #0055dd; }
        .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);
            text-decoration: none;
        }
        .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) {
        .blog-grid { grid-template-columns: repeat(2, 1fr); }
        .popular-grid { grid-template-columns: repeat(2, 1fr); }
        .about-blog-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
        .container { padding: 0 20px; }
        .nav-inner { flex-direction: column; align-items: center; }
        .nav-links { justify-content: center; gap: 12px; }
        .hero-flex { flex-direction: column; text-align: center; }
        .hero-left p { margin: 0 auto; }
        .hero-actions { justify-content: center; }
        .stats-grid { grid-template-columns: repeat(2, 1fr); }
        .blog-grid { grid-template-columns: 1fr; }
        .popular-grid { grid-template-columns: 1fr; }
        .about-blog-grid { grid-template-columns: 1fr; }
        .subscribe-box { padding: 30px 20px; }
        .footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        .footer .footer-bottom { flex-direction: column; text-align: center; }
        .breadcrumb { text-align: center; }
        }
        @media (max-width: 480px) {
        .container { padding: 0 14px; }
        .page-hero h1 { font-size: 1.8rem; }
        .stats-grid { grid-template-columns: 1fr 1fr; }
        .category-tabs a { padding: 6px 16px; font-size: 0.8rem; }
        .footer .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
        .footer .brand-col p { max-width: 100%; }
        }
    
        .page-hero .hero-flex { justify-content: center; text-align: center; }
        .page-hero .hero-left { flex: none; width: 100%; max-width: 780px; min-width: 0; margin: 0 auto; }
        .page-hero .hero-left p { max-width: 660px; margin: 14px auto 0; }
        .page-hero .hero-actions { justify-content: center; }
        .blog-section { padding-top: 48px; }