        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f7fb;
            color: #1a2634;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a { color: #1e6f9f; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #0b3d5e; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; color: #0f1a2b; }
        h1 { font-size: 2.4rem; margin-bottom: 0.75rem; }
        h2 { font-size: 1.8rem; margin: 2.4rem 0 1rem 0; border-left: 5px solid #1e6f9f; padding-left: 1rem; }
        h3 { font-size: 1.4rem; margin: 1.8rem 0 0.8rem 0; color: #1e3a5f; }
        h4 { font-size: 1.15rem; margin: 1.4rem 0 0.5rem 0; color: #2a4a6e; }
        p { margin-bottom: 1.2rem; }
        ul, ol { margin: 0.8rem 0 1.5rem 2rem; }
        li { margin-bottom: 0.4rem; }
        blockquote {
            border-left: 4px solid #1e6f9f;
            background: #e8f0fa;
            padding: 1rem 1.8rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #1e3a5f;
        }
        hr { border: none; border-top: 2px dashed #cbd5e1; margin: 2.5rem 0; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.2rem; }
        .badge { display: inline-block; background: #1e6f9f; color: #fff; font-size: 0.75rem; padding: 0.2rem 0.8rem; border-radius: 20px; font-weight: 600; letter-spacing: 0.3px; }
        .text-muted { color: #5e6f8d; font-size: 0.92rem; }
        .flex { display: flex; flex-wrap: wrap; gap: 1.2rem; align-items: center; }
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
        .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.8rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .site-header {
            background: linear-gradient(135deg, #0f1a2b 0%, #1a2d44 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f9d56e, #f8b042);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
        }
        .my-logo:hover { opacity: 0.9; text-decoration: none !important; }
        .my-logo small { font-size: 0.7rem; font-weight: 400; display: block; -webkit-text-fill-color: #aac8e4; color: #aac8e4; letter-spacing: 1px; }
        .main-nav { display: flex; gap: 0.2rem; flex-wrap: wrap; }
        .main-nav a {
            color: #dce6f0;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            text-decoration: none !important;
        }
        .main-nav a:hover, .main-nav a.active { background: rgba(255,255,255,0.12); color: #f9d56e; text-decoration: none !important; }
        .hamburger { display: none; background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer; padding: 0.2rem 0.6rem; border-radius: 6px; }
        .hamburger:hover { background: rgba(255,255,255,0.1); }
        .breadcrumb {
            background: #e9eef4;
            padding: 0.6rem 1.2rem;
            border-radius: 10px;
            margin: 1rem 0;
            font-size: 0.85rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .breadcrumb a { color: #1e6f9f; }
        .breadcrumb span { color: #5e6f8d; }
        .breadcrumb .sep { margin: 0 0.3rem; color: #8a9bb0; }
        .search-box {
            background: #fff;
            border-radius: 50px;
            padding: 0.3rem 0.3rem 0.3rem 1.5rem;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
            max-width: 480px;
            margin: 1.5rem 0;
            border: 1px solid #dce4ed;
        }
        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 0.95rem;
            padding: 0.7rem 0;
            background: transparent;
            font-family: inherit;
        }
        .search-box button {
            background: #1e6f9f;
            border: none;
            color: #fff;
            padding: 0.6rem 1.6rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.2s;
            font-family: inherit;
        }
        .search-box button:hover { background: #0f4a6e; }
        .feedback-section {
            background: #fff;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 6px 30px rgba(0,0,0,0.05);
            margin: 2.5rem 0;
        }
        .feedback-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
        .feedback-item h3 { margin-top: 0; border-left: none; padding-left: 0; }
        .feedback-item form { display: flex; flex-direction: column; gap: 0.8rem; }
        .feedback-item input, .feedback-item textarea, .feedback-item select {
            padding: 0.8rem 1rem;
            border: 1px solid #dce4ed;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #f9fbfd;
            transition: border 0.2s;
        }
        .feedback-item input:focus, .feedback-item textarea:focus { border-color: #1e6f9f; outline: none; box-shadow: 0 0 0 3px rgba(30,111,159,0.12); }
        .feedback-item textarea { min-height: 100px; resize: vertical; }
        .feedback-item button {
            background: #1e6f9f;
            color: #fff;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
            font-family: inherit;
        }
        .feedback-item button:hover { background: #0f4a6e; }
        .star-rating { display: flex; gap: 0.3rem; font-size: 1.6rem; color: #dce4ed; cursor: pointer; }
        .star-rating i.active { color: #f8b042; }
        .star-rating i:hover, .star-rating i.hover { color: #f8b042; }
        .site-footer {
            background: #0f1a2b;
            color: #b6c8dd;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 4px solid #1e6f9f;
        }
        .footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
        .site-footer a { color: #aac8e4; }
        .site-footer a:hover { color: #f9d56e; }
        .site-footer h4 { color: #f0f4fa; border-left: none; padding-left: 0; margin-top: 0; }
        friend-link { display: block; margin-top: 1.2rem; padding: 1rem 0; border-top: 1px solid #2a3f58; }
        friend-link a { display: inline-block; margin: 0.3rem 1rem 0.3rem 0; }
        .copyright { text-align: center; padding-top: 1.5rem; margin-top: 1.5rem; border-top: 1px solid #2a3f58; font-size: 0.85rem; color: #7e92ac; }
        @media (max-width: 992px) {
            .grid-2, .grid-3 { grid-template-columns: 1fr; }
            .footer-inner { grid-template-columns: 1fr 1fr; }
            .feedback-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #142233;
                padding: 1rem;
                border-radius: 12px;
                margin-top: 0.8rem;
            }
            .main-nav.open { display: flex; }
            .main-nav a { padding: 0.7rem 1rem; border-bottom: 1px solid #1e3450; }
            .main-nav a:last-child { border-bottom: none; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .footer-inner { grid-template-columns: 1fr; }
            .search-box { flex-direction: column; border-radius: 16px; padding: 0.8rem; gap: 0.6rem; }
            .search-box input { width: 100%; padding: 0.6rem 0.8rem; }
            .search-box button { width: 100%; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 0.8rem; }
            .feedback-section { padding: 1.2rem; }
            .my-logo { font-size: 1.4rem; }
        }
        .anchor { scroll-margin-top: 100px; }
        .data-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.04); }
        .data-table th { background: #1e3a5f; color: #fff; padding: 0.8rem 1.2rem; text-align: left; font-weight: 600; }
        .data-table td { padding: 0.8rem 1.2rem; border-bottom: 1px solid #e4eaf2; background: #fff; }
        .data-table tr:hover td { background: #f4f8fe; }
        .card { background: #fff; border-radius: 16px; padding: 1.6rem; box-shadow: 0 4px 20px rgba(0,0,0,0.04); transition: transform 0.2s, box-shadow 0.2s; }
        .card:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.08); }
        .img-wrapper { margin: 2rem 0; border-radius: 16px; overflow: hidden; background: #e9eef4; }
        .img-wrapper figcaption { padding: 0.8rem 1.2rem; font-size: 0.85rem; color: #4a5e7a; background: #f4f7fb; text-align: center; }
        .stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1.2rem; margin: 1.8rem 0; }
        .stat-item { background: #fff; border-radius: 16px; padding: 1.2rem; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.04); border-left: 4px solid #1e6f9f; }
        .stat-item .num { font-size: 2.2rem; font-weight: 800; color: #0f1a2b; line-height: 1.2; }
        .stat-item .label { font-size: 0.85rem; color: #5e6f8d; text-transform: uppercase; letter-spacing: 0.5px; }
