:root {
            --primary: #6D28D9;
            --primary-dark: #4C1D95;
            --primary-light: #8B5CF6;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg-dark: #0D0A1A;
            --bg-light: #F5F3FF;
            --text-dark: #1E1040;
            --text-medium: #4C3A78;
            --text-light: #8B7AB8;
            --white: #ffffff;
            --card-bg: #FAF8FF;
            --border-light: rgba(109, 40, 217, 0.08);
            --shadow-sm: 0 2px 12px rgba(109, 40, 217, 0.04);
            --shadow-md: 0 8px 28px rgba(109, 40, 217, 0.08);
            --shadow-lg: 0 16px 48px rgba(109, 40, 217, 0.12);
            --gradient-hero: linear-gradient(135deg, #0D0A1A 0%, #1E1040 40%, #2D1B69 70%, #4C1D95 100%);
            --gradient-cta: linear-gradient(135deg, #6D28D9 0%, #4C1D95 100%);
            --gradient-accent: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 40px;
        }

        * { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.65;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

        /* ========== NAVBAR (与首页一致) ========== */
        .navbar {
            background: rgba(13, 10, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(139, 92, 246, 0.12);
            position: sticky; top:0; z-index:100; padding: 10px 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:800; font-size:1.5rem; color:#fff; text-decoration:none; letter-spacing:-0.5px; }
        .logo-area img { height:42px; width:auto; display:block; filter:drop-shadow(0 0 8px rgba(139,92,246,0.5)); }
        .logo-area span { color:var(--accent); }
        .logo-area .logo-tag { font-size:0.6rem; background:var(--accent); color:#0D0A1A; padding:2px 10px; border-radius:20px; font-weight:700; letter-spacing:1px; margin-left:4px; }
        .nav-links { display:flex; gap:20px; align-items:center; flex-wrap:wrap; }
        .nav-links a { text-decoration:none; font-weight:500; color:rgba(255,255,255,0.75); font-size:0.88rem; transition:0.25s; position:relative; letter-spacing:0.3px; }
        .nav-links a::after { content:''; position:absolute; bottom:-3px; left:0; width:0; height:2px; background:var(--accent); transition:width 0.3s; border-radius:2px; }
        .nav-links a:hover::after { width:100%; }
        .nav-links a:hover { color:var(--accent); }
        .nav-links a.active { color:var(--accent); }
        .nav-links a.active::after { width:100%; }
        .btn-nav { background:var(--gradient-accent) !important; color:#0D0A1A !important; padding:8px 22px; border-radius:40px; font-weight:700; font-size:0.82rem; box-shadow:0 4px 20px rgba(245,158,11,0.35); transition:all 0.3s; letter-spacing:0.5px; }
        .btn-nav::after { display:none !important; }
        .btn-nav:hover { transform:translateY(-2px); box-shadow:0 8px 32px rgba(245,158,11,0.5); color:#0D0A1A !important; }

        /* ========== HERO (博客特色) ========== */
        .hero-blog {
            padding: 60px 0 50px;
            background: var(--gradient-hero);
            position: relative;
            overflow: hidden;
        }
        .hero-blog::before { content:''; position:absolute; top:-40%; right:-15%; width:500px; height:500px; background:radial-gradient(circle, rgba(139,92,246,0.2), transparent 70%); border-radius:50%; }
        .hero-blog::after { content:''; position:absolute; bottom:-30%; left:-10%; width:400px; height:400px; background:radial-gradient(circle, rgba(245,158,11,0.08), transparent 70%); border-radius:50%; }
        .hero-blog-content { position:relative; z-index:1; text-align:center; max-width:800px; margin:0 auto; }
        .hero-blog-badge { display:inline-block; background:rgba(245,158,11,0.12); border:1px solid rgba(245,158,11,0.25); border-radius:40px; padding:6px 22px; font-size:0.8rem; font-weight:700; color:var(--accent); margin-bottom:14px; letter-spacing:1px; }
        .hero-blog-badge .dot { width:8px; height:8px; background:#22c55e; border-radius:50%; display:inline-block; margin-right:6px; animation:pulse-dot 1.5s infinite; }
        @keyframes pulse-dot { 0%,100%{opacity:1; transform:scale(1);} 50%{opacity:0.5; transform:scale(1.3);} }
        .hero-blog h1 { font-size:2.8rem; font-weight:800; line-height:1.12; color:#fff; margin-bottom:14px; letter-spacing:-1px; }
        .hero-blog h1 .highlight { background:var(--gradient-accent); -webkit-background-clip:text; background-clip:text; color:transparent; -webkit-text-fill-color:transparent; }
        .hero-blog-desc { font-size:1.05rem; color:rgba(255,255,255,0.7); margin-bottom:20px; line-height:1.8; }
        .hero-blog-desc strong { color:#fff; }
        .hero-blog-desc .highlight-text { color:var(--accent); font-weight:700; }
        .hero-search {
            display:flex; max-width:420px; margin:0 auto; background:rgba(255,255,255,0.08); border:1px solid rgba(139,92,246,0.2); border-radius:50px; overflow:hidden; backdrop-filter:blur(4px);
        }
        .hero-search input {
            flex:1; background:transparent; border:none; padding:12px 20px; color:#fff; font-size:0.95rem; outline:none; letter-spacing:0.5px;
        }
        .hero-search input::placeholder { color:rgba(255,255,255,0.5); }
        .hero-search button { background:var(--gradient-accent); border:none; color:#0D0A1A; padding:0 24px; font-weight:700; cursor:pointer; transition:0.3s; }
        .hero-search button:hover { background:linear-gradient(135deg,#FBBF24,#F59E0B); }
        .hero-tags { display:flex; flex-wrap:wrap; justify-content:center; gap:8px; margin-top:16px; }
        .hero-tags a { color:rgba(255,255,255,0.6); font-size:0.8rem; text-decoration:none; padding:4px 14px; border:1px solid rgba(255,255,255,0.15); border-radius:30px; transition:0.3s; }
        .hero-tags a:hover { border-color:var(--accent); color:var(--accent); background:rgba(245,158,11,0.08); }

        /* ========== SECTION HEADERS ========== */
        .section-header { text-align:center; margin-bottom:36px; }
        .section-badge { display:inline-block; background:rgba(109,40,217,0.06); border:1px solid rgba(109,40,217,0.1); border-radius:40px; padding:4px 20px; font-size:0.78rem; font-weight:700; color:var(--primary); margin-bottom:8px; letter-spacing:1px; }
        .section-title { font-size:2rem; font-weight:800; color:var(--text-dark); letter-spacing:-0.5px; }
        .section-title i { color:var(--primary); margin-right:8px; }
        .section-title .gold { color:var(--accent-dark); }
        .section-sub { color:var(--text-medium); font-size:1rem; margin-top:4px; }

        /* ========== 精选文章 (featured) ========== */
        .featured-section { padding: 70px 0 80px; background: var(--bg-light); }
        .featured-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap:28px; }
        .featured-card {
            background: var(--white); border-radius: var(--radius-md); overflow:hidden; border:1px solid var(--border-light); transition:0.3s; box-shadow:var(--shadow-sm); display:flex; flex-direction:column;
        }
        .featured-card:hover { transform: translateY(-6px); border-color:rgba(109,40,217,0.15); box-shadow:var(--shadow-lg); }
        .featured-card .card-img { width:100%; height:180px; background: var(--bg-light); display:flex; align-items:center; justify-content:center; font-size:3.5rem; color:var(--primary); }
        .featured-card .card-img.gradient-purple { background: linear-gradient(135deg, #6D28D9, #4C1D95); color:#fff; }
        .featured-card .card-img.gradient-gold { background: linear-gradient(135deg, #F59E0B, #D97706); color:#0D0A1A; }
        .featured-card .card-img.gradient-dark { background: linear-gradient(135deg, #2D1B69, #0D0A1A); color:var(--accent); }
        .featured-card .card-body { padding:20px 22px 22px; flex:1; display:flex; flex-direction:column; }
        .featured-card .card-category { display:inline-block; background:rgba(109,40,217,0.06); border:1px solid rgba(109,40,217,0.1); border-radius:30px; padding:2px 12px; font-size:0.7rem; font-weight:700; color:var(--primary); margin-bottom:8px; align-self:flex-start; }
        .featured-card h3 { font-size:1.2rem; font-weight:800; color:var(--text-dark); line-height:1.4; margin-bottom:8px; }
        .featured-card h3 a { color:var(--text-dark); text-decoration:none; }
        .featured-card h3 a:hover { color:var(--primary); }
        .featured-card p { font-size:0.9rem; color:var(--text-medium); line-height:1.6; flex:1; margin-bottom:12px; }
        .featured-card .card-meta { display:flex; align-items:center; justify-content:space-between; font-size:0.75rem; color:var(--text-light); border-top:1px solid var(--border-light); padding-top:10px; }
        .featured-card .card-meta span i { margin-right:4px; }
        .featured-card .card-meta a { color:var(--primary); text-decoration:none; font-weight:600; }

        /* ========== 创意版块：知识分类 ========== */
        .knowledge-categories { padding: 70px 0 80px; background: var(--white); }
        .categories-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap:22px; }
        .category-card {
            background: var(--card-bg); border-radius: var(--radius-md); padding: 30px 18px 24px; text-align:center; border:1px solid var(--border-light); transition:0.3s; box-shadow:var(--shadow-sm);
        }
        .category-card:hover { transform: translateY(-5px); border-color:rgba(109,40,217,0.15); box-shadow:var(--shadow-md); }
        .category-card .cat-icon { font-size:2.6rem; margin-bottom:10px; }
        .category-card .cat-icon.purple { color:var(--primary); }
        .category-card .cat-icon.gold { color:var(--accent); }
        .category-card .cat-icon.green { color:#22c55e; }
        .category-card .cat-icon.blue { color:#3B82F6; }
        .category-card h4 { font-size:1.05rem; font-weight:800; color:var(--text-dark); margin-bottom:6px; }
        .category-card p { font-size:0.85rem; color:var(--text-medium); line-height:1.5; }
        .category-card .post-count { display:inline-block; background:rgba(109,40,217,0.05); border:1px solid rgba(109,40,217,0.08); border-radius:30px; padding:2px 12px; font-size:0.7rem; font-weight:700; color:var(--primary); margin-top:8px; }

        /* ========== 创意版块：最新文章列表 (时间线风格) ========== */
        .latest-posts { padding: 70px 0 80px; background: var(--bg-light); }
        .posts-list { max-width:800px; margin:0 auto; }
        .post-item {
            display:flex; gap:20px; background:var(--white); border-radius:var(--radius-sm); padding:18px 22px; border:1px solid var(--border-light); margin-bottom:14px; transition:0.3s;
        }
        .post-item:hover { border-color:rgba(109,40,217,0.15); box-shadow:var(--shadow-sm); }
        .post-item .post-date {
            flex-shrink:0; width:70px; height:70px; background:var(--card-bg); border-radius:10px; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center;
        }
        .post-item .post-date .day { font-size:1.6rem; font-weight:900; color:var(--primary); line-height:1; }
        .post-item .post-date .month { font-size:0.75rem; color:var(--text-light); font-weight:600; }
        .post-item .post-content { flex:1; }
        .post-item .post-content h3 { font-size:1.05rem; font-weight:800; color:var(--text-dark); margin-bottom:4px; }
        .post-item .post-content h3 a { color:var(--text-dark); text-decoration:none; }
        .post-item .post-content h3 a:hover { color:var(--primary); }
        .post-item .post-content .excerpt { font-size:0.88rem; color:var(--text-medium); line-height:1.5; margin-bottom:6px; }
        .post-item .post-content .post-meta { font-size:0.75rem; color:var(--text-light); display:flex; gap:12px; flex-wrap:wrap; }
        .post-item .post-content .post-meta i { margin-right:4px; }

        /* ========== 创意版块：通俗解读卡片 ========== */
        .explain-section { padding: 70px 0 80px; background: var(--white); }
        .explain-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap:24px; }
        .explain-card {
            background: var(--card-bg); border-radius: var(--radius-md); padding: 28px 22px 24px; border:1px solid var(--border-light); transition:0.3s; box-shadow:var(--shadow-sm); text-align:center;
        }
        .explain-card:hover { transform: translateY(-4px); border-color:rgba(109,40,217,0.15); box-shadow:var(--shadow-md); }
        .explain-card .explain-icon { font-size:2.4rem; color:var(--primary); margin-bottom:10px; }
        .explain-card h4 { font-size:1.1rem; font-weight:800; color:var(--text-dark); margin-bottom:8px; }
        .explain-card p { font-size:0.9rem; color:var(--text-medium); line-height:1.6; }
        .explain-card .btn-learn {
            display:inline-block; margin-top:12px; background:transparent; border:1.5px solid var(--primary); color:var(--primary); padding:6px 18px; border-radius:30px; font-weight:700; font-size:0.8rem; text-decoration:none; transition:0.3s;
        }
        .explain-card .btn-learn:hover { background:var(--primary); color:#fff; }

        /* ========== 创意版块：行业数据与趋势 ========== */
        .industry-stats { padding: 70px 0 80px; background: var(--bg-dark); }
        .industry-stats .section-title { color:#fff; }
        .industry-stats .section-sub { color:rgba(255,255,255,0.5); }
        .industry-stats .section-badge { background:rgba(245,158,11,0.08); border-color:rgba(245,158,11,0.2); color:var(--accent); }
        .stats-row { display:grid; grid-template-columns: repeat(4, 1fr); gap:22px; }
        .stat-item {
            background: rgba(255,255,255,0.04); border:1px solid rgba(139,92,246,0.12); border-radius:var(--radius-md); padding:24px 16px; text-align:center; transition:0.3s;
        }
        .stat-item:hover { transform: translateY(-4px); border-color:rgba(245,158,11,0.3); }
        .stat-item .stat-icon { font-size:1.8rem; color:var(--accent); margin-bottom:8px; }
        .stat-item .stat-num { font-size:2rem; font-weight:900; color:#fff; letter-spacing:-1px; }
        .stat-item .stat-label { font-size:0.8rem; color:rgba(255,255,255,0.5); }

        /* ========== 创意版块：编辑团队 ========== */
        .team-section { padding: 70px 0 80px; background: var(--white); }
        .team-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap:26px; }
        .team-card {
            background: var(--card-bg); border-radius: var(--radius-md); padding: 30px 22px 26px; text-align:center; border:1px solid var(--border-light); transition:0.3s; box-shadow:var(--shadow-sm);
        }
        .team-card:hover { transform: translateY(-4px); border-color:rgba(109,40,217,0.15); box-shadow:var(--shadow-md); }
        .team-card .avatar {
            width:72px; height:72px; border-radius:50%; margin:0 auto 12px; display:flex; align-items:center; justify-content:center; font-weight:800; font-size:1.8rem; color:#fff;
        }
        .avatar-purple { background: linear-gradient(135deg, #6D28D9, #8B5CF6); }
        .avatar-gold { background: linear-gradient(135deg, #F59E0B, #FBBF24); color:#0D0A1A !important; }
        .avatar-dark { background: linear-gradient(135deg, #2D1B69, #4C1D95); }
        .team-card h4 { font-size:1.15rem; font-weight:800; color:var(--text-dark); }
        .team-card .role { font-size:0.8rem; color:var(--primary); font-weight:700; margin:4px 0 8px; }
        .team-card p { font-size:0.88rem; color:var(--text-medium); line-height:1.6; }

        /* ========== 订阅区域 ========== */
        .subscribe-section { padding: 60px 0 70px; background: var(--bg-light); }
        .subscribe-box {
            background: var(--white); border-radius: var(--radius-lg); padding: 40px 38px; text-align:center; max-width:700px; margin:0 auto; border:1px solid var(--border-light); box-shadow:var(--shadow-sm);
        }
        .subscribe-box h3 { font-size:1.5rem; font-weight:800; color:var(--text-dark); margin-bottom:8px; }
        .subscribe-box p { color:var(--text-medium); font-size:0.95rem; margin-bottom:20px; }
        .subscribe-form { display:flex; max-width:400px; margin:0 auto; gap:8px; }
        .subscribe-form input { flex:1; padding:12px 18px; border:1.5px solid var(--border-light); border-radius:50px; font-size:0.9rem; outline:none; transition:border-color 0.3s; }
        .subscribe-form input:focus { border-color:var(--primary); }
        .subscribe-form button {
            background: var(--gradient-cta); color:#fff; border:none; padding:12px 26px; border-radius:50px; font-weight:700; cursor:pointer; transition:0.3s;
        }
        .subscribe-form button:hover { background:var(--primary-dark); }

        /* ========== FAQ ========== */
        .faq-section { padding: 50px 0 70px; background: var(--white); }
        .faq-list { display:flex; flex-direction:column; gap:12px; max-width:750px; margin:0 auto; }
        .faq-item { background:var(--card-bg); border-radius:14px; padding:20px 24px; border:1px solid var(--border-light); transition:0.3s; }
        .faq-item:hover { border-color:rgba(109,40,217,0.12); box-shadow:var(--shadow-sm); }
        .faq-item .q { font-weight:800; font-size:0.95rem; color:var(--text-dark); display:flex; align-items:center; gap:12px; }
        .faq-item .q i { color:var(--primary); font-size:0.75rem; width:20px; }
        .faq-item .a { margin-top:6px; padding-left:30px; color:var(--text-medium); font-size:0.9rem; line-height:1.7; }
        .faq-item .a strong { color:var(--text-dark); }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.65); padding: 50px 0 28px; border-top: 3px solid var(--primary);
        }
        .footer a { color: rgba(255,255,255,0.55); text-decoration: none; transition:0.2s; }
        .footer a:hover { color: var(--accent); }
        .footer .footer-grid { display:grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap:34px; margin-bottom:28px; }
        .footer .brand-col .logo { font-size:1.7rem; font-weight:800; color:#fff; display:flex; align-items:center; gap:8px; margin-bottom:10px; }
        .footer .brand-col .logo i { color: var(--accent); }
        .footer .brand-col .logo span { color: var(--accent); }
        .footer .brand-col p { font-size:0.88rem; line-height:1.7; max-width:340px; }
        .footer .brand-col p strong { color:rgba(255,255,255,0.85); }
        .footer .col h4 { color:#fff; font-size:0.95rem; font-weight:700; margin-bottom:12px; }
        .footer .col ul { list-style:none; }
        .footer .col ul li { margin-bottom:7px; }
        .footer .col ul li a { font-size:0.88rem; color:rgba(255,255,255,0.55); transition:0.2s; }
        .footer .col ul li a:hover { color:var(--accent); }
        .footer .footer-bottom { border-top:1px solid rgba(255,255,255,0.06); padding-top:16px; display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:10px; font-size:0.78rem; }
        .footer .footer-bottom .icp { color:rgba(255,255,255,0.35); text-align:center; }
        .footer .footer-bottom .icp a { color:rgba(255,255,255,0.35); text-decoration:none; }
        .footer .footer-bottom .icp a:hover { color:var(--accent); }
        .footer .footer-bottom .icp .sep { margin:0 8px; color:rgba(255,255,255,0.12); }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container { padding:0 24px; }
            .hero-blog h1 { font-size:2.2rem; }
            .featured-grid { grid-template-columns: repeat(2, 1fr); }
            .categories-grid { grid-template-columns: repeat(2, 1fr); }
            .explain-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-row { grid-template-columns: repeat(2, 1fr); }
            .team-grid { grid-template-columns: repeat(2, 1fr); }
            .footer .footer-grid { grid-template-columns:1fr 1fr; }
        }
        @media (max-width: 768px) {
            .container { padding:0 18px; }
            .nav-inner { flex-direction:column; align-items:center; }
            .nav-links { justify-content:center; gap:10px; }
            .hero-blog h1 { font-size:1.8rem; }
            .hero-search { max-width:100%; }
            .featured-grid { grid-template-columns:1fr; }
            .categories-grid { grid-template-columns:1fr 1fr; }
            .explain-grid { grid-template-columns:1fr; }
            .stats-row { grid-template-columns:1fr 1fr; }
            .team-grid { grid-template-columns:1fr; }
            .post-item { flex-direction:column; align-items:flex-start; }
            .post-item .post-date { width:auto; height:auto; flex-direction:row; gap:4px; padding:4px 10px; border-radius:8px; }
            .post-item .post-date .day { font-size:1rem; }
            .footer .footer-grid { grid-template-columns:1fr 1fr; gap:26px; }
        }
        @media (max-width: 480px) {
            .container { padding:0 12px; }
            .hero-blog h1 { font-size:1.6rem; }
            .categories-grid { grid-template-columns:1fr; }
            .stats-row { grid-template-columns:1fr; }
            .subscribe-box { padding:24px 16px; }
            .footer .footer-grid { grid-template-columns:1fr; text-align:center; }
            .footer .brand-col p { max-width:100%; }
        }