*,
        *::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, sans-serif;
            background: #f4f7fc;
            color: #1a2639;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #004e92;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff6b00;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a30 0%, #1a3a5c 100%);
            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: #ffd700;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffed4a;
        }
        .my-logo i {
            font-size: 2rem;
            color: #ffd700;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #aac9e4;
            letter-spacing: 0;
            text-transform: none;
            margin-left: 0.3rem;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #e8f0fe;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-list li a:hover {
            background: rgba(255, 215, 0, 0.15);
            color: #ffd700;
        }
        .nav-list li a i {
            font-size: 0.9rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #ffffff;
            padding: 0.7rem 0;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #888;
        }
        .breadcrumb a {
            color: #2c5282;
        }
        .breadcrumb .current {
            color: #666;
            font-weight: 500;
        }
        main {
            padding: 2rem 0 3rem;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0b1a30;
            margin-bottom: 0.6rem;
            line-height: 1.2;
        }
        h1 i {
            color: #ffd700;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #1a3a5c;
            margin-top: 3rem;
            margin-bottom: 1rem;
            border-left: 6px solid #ffd700;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #2d4a6e;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #3d5a80;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #2c3e50;
            background: #eef4fb;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            border-left: 5px solid #ffd700;
        }
        .highlight {
            background: #fff9e6;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.95rem;
        }
        thead {
            background: #0b1a30;
            color: #fff;
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e8edf4;
        }
        th {
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            font-size: 0.8rem;
        }
        tbody tr:hover {
            background: #f6faff;
        }
        .rank {
            font-weight: 700;
            color: #004e92;
        }
        .points {
            font-weight: 700;
            color: #ff6b00;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        .card {
            background: #fff;
            border-radius: 14px;
            padding: 1.5rem 1.2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #e8edf4;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.09);
        }
        .card h4 {
            margin-top: 0;
            color: #0b1a30;
        }
        .card i {
            color: #ffd700;
            font-size: 1.8rem;
            margin-bottom: 0.6rem;
        }
        .interactive-module {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            margin: 2.5rem 0;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
        }
        .interactive-module h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1a3a5c;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #dde3ed;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fafcff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #ffd700;
            outline: none;
            background: #fff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #0b1a30;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn:hover {
            background: #1a3a5c;
            transform: scale(1.02);
        }
        .btn-gold {
            background: #ffd700;
            color: #0b1a30;
        }
        .btn-gold:hover {
            background: #ffed4a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d1d9e6;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffd700;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            background: #f0f4fa;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #3d5a80;
            text-align: center;
            font-style: italic;
        }
        .site-footer {
            background: #0b1a30;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 {
            color: #ffd700;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #aac9e4;
        }
        .site-footer a:hover {
            color: #ffd700;
        }
        friend-link {
            display: block;
            margin-top: 0.6rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.4rem;
            padding: 0.2rem 0;
        }
        .copyright {
            border-top: 1px solid #1e3a5f;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.9rem;
            color: #8899b0;
        }
        .copyright a {
            color: #ffd700;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0b1a30;
                padding: 0.8rem 0;
                border-radius: 0 0 12px 12px;
                margin-top: 0.6rem;
                gap: 0;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.8rem 1.2rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .container {
                padding: 0 1rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.3rem;
                border-left-width: 4px;
                padding-left: 0.7rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .interactive-module {
                padding: 1.2rem;
            }
            .lead {
                font-size: 1.05rem;
                padding: 1rem 1.2rem;
            }
            table {
                font-size: 0.8rem;
            }
            th,
            td {
                padding: 0.5rem 0.6rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.1rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            .btn {
                padding: 0.6rem 1.2rem;
                font-size: 0.9rem;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .tag {
            display: inline-block;
            background: #eef4fb;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #1a3a5c;
        }
        .last-update {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #5a7a9a;
            font-size: 0.9rem;
            background: #eef4fb;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            width: fit-content;
        }