* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
            font-family: 'Segoe UI', 'Lucida Grande', 'Microsoft YaHei', '宋体', Tahoma, Helvetica, Arial, sans-serif;
            color: #1e293b;
            padding: 2rem 1rem;
        }
        .container {
            max-width: 1000px;
            margin: 0 auto;
            background: white;
            border-radius: 2rem;
            box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }
        .header {
            background: linear-gradient(135deg, #eef2fa 0%, #e5ecf9 100%);
            padding: 20px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid #d4deed;
        }
        .logo-area img {
            max-width: 140px;
            height: auto;
        }
        .nav-links a {
            color: #2c5a9e;
            text-decoration: none;
            font-weight: 500;
            background: rgba(255,255,255,0.5);
            padding: 6px 12px;
            border-radius: 30px;
        }
        .nav-links a:hover {
            color: #d43f1d;
        }
        .content {
            padding: 30px 32px 40px;
        }
        h1 {
            font-size: 2rem;
            font-weight: 700;
            color: #1a2c3e;
            margin-bottom: 1rem;
            text-align: center;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem 1.2rem;
            margin: 2rem 0;
        }
        .tag-link {
            display: inline-block;
            background: #eff6ff;
            color: #3b82f6;
            text-decoration: none;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 1rem;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .tag-link:hover {
            background: #3b82f6;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(59,130,246,0.2);
        }
        .tag-count {
            background: rgba(0,0,0,0.05);
            border-radius: 1rem;
            padding: 0 0.4rem;
            margin-left: 0.3rem;
            font-size: 0.75rem;
            vertical-align: middle;
        }
        .back-home {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #eef2fa;
            padding: 8px 24px;
            border-radius: 40px;
            font-weight: 500;
            text-decoration: none;
            color: #2c5a9e;
            transition: 0.2s;
        }
        .back-home:hover {
            background: #e2e8f2;
            transform: translateY(-1px);
        }
        .footer {
            background-color: #f8fafd;
            text-align: center;
            padding: 20px;
            font-size: 0.8rem;
            color: #6b7a8a;
            border-top: 1px solid #e9edf4;
        }
        @media (max-width: 640px) {
            .content { padding: 20px; }
            h1 { font-size: 1.5rem; }
            .tag-link { font-size: 0.85rem; padding: 0.3rem 0.8rem; }
        }