*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #fafafc;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0056b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff6b35;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.4rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0d1b2a;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 3px solid #ff6b35;
            padding-bottom: 0.3rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.3rem;
            color: #1b3a5c;
        }
        h4 {
            font-size: 1.1rem;
            color: #2d4a6e;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0d1b2a 0%, #1b3a5c 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .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;
            text-shadow: 2px 2px 0 rgba(255, 107, 53, 0.4);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #ffb347;
        }
        .my-logo small {
            display: block;
            font-size: 0.6rem;
            font-weight: 400;
            color: #aac4e0;
            letter-spacing: 0.5px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 0.4rem 1.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e0e9f5;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 107, 53, 0.25);
            color: #ffb347;
            text-decoration: none;
        }
        .main-nav a.active {
            color: #ffb347;
            border-bottom: 2px solid #ff6b35;
        }
        .breadcrumb {
            background: #f0f2f5;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dde1e6;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.4rem 0.8rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #888;
        }
        .breadcrumb a {
            color: #2d4a6e;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 600;
        }
        .hero-img-wrap {
            margin: 1.8rem 0 2.2rem;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
            background: #e9edf2;
        }
        .hero-img-wrap img {
            width: 100%;
            min-height: 200px;
            object-fit: cover;
        }
        .hero-caption {
            padding: 0.6rem 1.2rem;
            background: #f7f9fc;
            font-size: 0.85rem;
            color: #3d3d5c;
            border-top: 1px solid #e0e4ea;
        }
        .section {
            margin-bottom: 2.5rem;
        }
        .section p:last-child {
            margin-bottom: 0;
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 5px solid #ff6b35;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .highlight-box strong {
            color: #0d1b2a;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.2rem;
            margin: 1.6rem 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.4rem 1rem;
            text-align: center;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
            border: 1px solid #eef2f7;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ff6b35;
            display: block;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #3d3d5c;
            font-weight: 500;
        }
        .insight-quote {
            font-style: italic;
            background: #faf5eb;
            padding: 1.2rem 2rem 1.2rem 2.5rem;
            border-radius: 14px;
            position: relative;
            margin: 1.6rem 0;
            border: 1px solid #f0e5d6;
        }
        .insight-quote::before {
            content: "“";
            font-size: 3.4rem;
            color: #ff6b35;
            position: absolute;
            left: 0.6rem;
            top: 0.2rem;
            font-family: Georgia, serif;
            line-height: 1;
        }
        .insight-quote .attribution {
            display: block;
            margin-top: 0.4rem;
            font-style: normal;
            font-weight: 600;
            color: #1b3a5c;
            font-size: 0.9rem;
        }
        .search-section {
            background: linear-gradient(135deg, #f5f7fa, #eef2f7);
            padding: 1.8rem 1.5rem;
            border-radius: 18px;
            margin: 2rem 0;
            border: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            max-width: 700px;
            margin: 0 auto;
        }
        .search-form input[type="text"] {
            flex: 1 1 200px;
            padding: 0.85rem 1.2rem;
            border: 2px solid #d0d8e2;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #ff6b35;
        }
        .search-form button {
            padding: 0.85rem 2rem;
            background: #ff6b35;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #e55a2b;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0;
        }
        @media (max-width:700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #fff;
            padding: 1.6rem 1.8rem;
            border-radius: 18px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef2f7;
        }
        .feedback-card h4 {
            margin-top: 0;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 1.5px solid #d0d8e2;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #ff6b35;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #1b3a5c;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #0d1b2a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #ffb347;
        }
        friend-link {
            display: block;
            padding: 1.6rem 0;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
            color: #0d1b2a;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.5rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        friend-link .fl-list li a {
            color: #2d4a6e;
            font-size: 0.92rem;
        }
        friend-link .fl-list li a:hover {
            color: #ff6b35;
        }
        .site-footer {
            background: #0d1b2a;
            color: #c8d6e5;
            padding: 2rem 0 1.4rem;
            margin-top: 2.5rem;
            border-top: 4px solid #ff6b35;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.2rem;
            font-size: 0.9rem;
        }
        .site-footer .copyright {
            width: 100%;
            text-align: center;
            padding-top: 1rem;
            border-top: 1px solid #2a4058;
            margin-top: 0.8rem;
            font-size: 0.82rem;
            color: #8aa0b8;
        }
        .site-footer a {
            color: #aac4e0;
        }
        .site-footer a:hover {
            color: #ffb347;
        }
        .update-badge {
            display: inline-block;
            background: #eef2f7;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-size: 0.8rem;
            color: #1b3a5c;
            font-weight: 500;
            margin-bottom: 1rem;
        }
        @media (max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding-top: 0.8rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.6rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 0.5rem 0.8rem;
                border-radius: 6px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-img-wrap {
                margin: 1rem 0 1.6rem;
            }
        }
        @media (max-width:480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .feedback-card {
                padding: 1.2rem;
            }
        }
        .anchor-offset {
            scroll-margin-top: 80px;
        }
        .tag {
            display: inline-block;
            background: #ff6b3515;
            color: #cc5500;
            padding: 0.1rem 0.8rem;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-right: 0.3rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            align-items: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-sm {
            font-size: 0.9rem;
        }