*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fa;
            color: #1e293b;
            line-height: 1.7;
            font-size: 1.05rem;
            padding: 0;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #0b2a3b;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #e63946;
            display: inline-block;
            padding-bottom: 0.2rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #e63946;
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1a4b6e;
        }
        h4 {
            font-size: 1.2rem;
            color: #2a5f7a;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b2a3b 0%, #1a4b6e 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;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #f9d423, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(230, 57, 70, 0.3);
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: #f9d423;
            color: #f9d423;
        }
        .nav-menu {
            display: flex;
            gap: 1.2rem;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .nav-menu li a {
            color: #f0f4f8;
            font-weight: 500;
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            transition: background 0.25s, color 0.25s;
            font-size: 0.95rem;
        }
        .nav-menu li a:hover {
            background: rgba(249, 212, 35, 0.2);
            color: #f9d423;
            text-decoration: none;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d8e0;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #7a8b9e;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb .current {
            color: #5a6f7e;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0b2a3b 0%, #1a4b6e 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
        }
        .hero h1 {
            color: #fff;
            border-bottom-color: #f9d423;
            font-size: 2.6rem;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 1rem auto 0;
            opacity: 0.9;
        }
        section {
            padding: 2rem 0;
        }
        .section-bg-light {
            background: #ffffff;
        }
        .section-bg-dark {
            background: #eef2f6;
        }
        .feature-img-wrap {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .feature-img-wrap img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .feature-img-wrap figcaption {
            background: #f0f4f8;
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            color: #3a4f62;
            font-style: italic;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 550px;
            margin: 1.8rem auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d0d8e0;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input:focus {
            border-color: #e63946;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #e63946;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .interact-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            border: 1px solid #e2e8f0;
            transition: box-shadow 0.3s;
        }
        .interact-card:hover {
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.1);
        }
        .interact-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1rem;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #dde3ea;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            font-family: inherit;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: #e63946;
        }
        .interact-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .interact-card .btn-submit {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 0.8rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .interact-card .btn-submit:hover {
            background: #e63946;
            transform: scale(1.01);
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #f9d423;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        .data-table thead {
            background: #0b2a3b;
            color: #fff;
        }
        .data-table th,
        .data-table td {
            padding: 0.9rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        .data-table tbody tr:hover {
            background: #f0f6fd;
        }
        .blockquote {
            background: #f0f6fd;
            border-left: 6px solid #e63946;
            padding: 1.4rem 2rem;
            margin: 2rem 0;
            border-radius: 0 16px 16px 0;
            font-style: italic;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
        }
        .blockquote cite {
            display: block;
            margin-top: 0.8rem;
            font-style: normal;
            font-weight: 600;
            color: #0f3b5e;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fef9e6, #fce8d9);
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0;
            border: 1px solid #f9d423;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 0.8rem;
            margin: 1.5rem 0;
        }
        .link-grid a {
            display: block;
            padding: 0.6rem 1.2rem;
            background: #f0f4f8;
            border-radius: 40px;
            text-align: center;
            font-weight: 500;
            transition: background 0.25s, color 0.25s, transform 0.15s;
            border: 1px solid #dde3ea;
        }
        .link-grid a:hover {
            background: #e63946;
            color: #fff;
            transform: translateY(-2px);
            text-decoration: none;
            border-color: #e63946;
        }
        .site-footer {
            background: #0b2a3b;
            color: #d0dce8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .site-footer a {
            color: #f9d423;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.5rem;
            padding: 1.2rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin: 1.5rem 0;
        }
        .friend-link a {
            font-size: 0.95rem;
        }
        .copyright {
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.8;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        @media (max-width: 900px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 680px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.4rem;
                padding: 1rem 0 0.5rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 0.6rem 1rem;
                background: rgba(255, 255, 255, 0.05);
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.6rem 0.8rem;
            }
            .link-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 420px) {
            .link-grid {
                grid-template-columns: 1fr;
            }
            .search-form input {
                min-width: 160px;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #e63946;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
            cursor: pointer;
            border: none;
            transition: transform 0.2s, background 0.25s;
            z-index: 999;
        }
        .scroll-top:hover {
            background: #b71c1c;
            transform: scale(1.08);
        }
        .text-muted {
            color: #5a6f7e;
            font-size: 0.9rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .gap-1 {
            gap: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .last-updated {
            display: inline-block;
            background: #eef2f6;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #3a4f62;
        }