*,
        *::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: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 0 2rem 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #d32f2f;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        header {
            background: linear-gradient(135deg, #0a1f2e 0%, #1a3a4a 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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;
            letter-spacing: -0.5px;
            color: #f5c842;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            font-size: 2rem;
            color: #fff;
        }
        .my-logo:hover {
            color: #ffd966;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #b0c4d9;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 1.5rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #e0edf5;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            color: #f5c842;
            border-bottom-color: #f5c842;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px 4px;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: #fff;
            border-radius: 3px;
            transition: 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d7de;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #6b7a8f;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb .current {
            color: #6b7a8f;
            font-weight: 500;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.6rem 0 1rem 0;
            color: #0a1f2e;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.4rem 0 1rem 0;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #d32f2f;
            color: #0a1f2e;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem 0;
            color: #1a3a4a;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.2rem 0 0.5rem 0;
            color: #2c4a5e;
        }
        p {
            margin-bottom: 1rem;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #2c3e50;
            border-left: 4px solid #d32f2f;
            padding-left: 1.2rem;
            margin-bottom: 1.6rem;
        }
        .hero-img {
            border-radius: 16px;
            margin: 1.8rem 0 2rem 0;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 1.6rem 0;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 1.6rem;
            margin: 1.6rem 0;
        }
        .card {
            background: #fff;
            border-radius: 14px;
            padding: 1.6rem 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #e9edf2;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.10);
        }
        .card h3 {
            margin-top: 0;
        }
        .card i {
            color: #d32f2f;
            font-size: 1.8rem;
            margin-bottom: 0.6rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.4rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e9edf2;
        }
        th {
            background: #0a1f2e;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f4f7fa;
        }
        tr:hover td {
            background: #e9f0f7;
        }
        .form-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #e0e7ed;
            margin: 1.6rem 0;
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #d0d7de;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fafbfc;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            outline: none;
            border-color: #0f3b5e;
            box-shadow: 0 0 0 3px rgba(15, 59, 94, 0.12);
        }
        .form-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-card .btn {
            background: #d32f2f;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .form-card .btn:hover {
            background: #b71c1c;
            transform: scale(1.01);
        }
        .form-card .btn i {
            margin-right: 0.4rem;
        }
        .form-row {
            margin-bottom: 1.2rem;
        }
        .form-row label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.2rem;
            justify-content: flex-end;
        }
        .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: #f5b342;
        }
        footer {
            background: #0a1f2e;
            color: #cbd5e1;
            padding: 2.4rem 0 1.6rem;
            margin-top: 3rem;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        footer h4 {
            color: #f5c842;
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        footer a {
            color: #b0c4d9;
        }
        footer a:hover {
            color: #f5c842;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.4rem;
        }
        .footer-bottom {
            grid-column: 1 / -1;
            border-top: 1px solid #2a4050;
            padding-top: 1.4rem;
            margin-top: 1rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            background: #112a38;
            padding: 0.8rem 1.2rem;
            border-radius: 10px;
            margin: 0.6rem 0 1.2rem 0;
            font-size: 0.95rem;
            border-left: 4px solid #f5c842;
        }
        friend-link a {
            color: #e0edf5;
            margin: 0 0.6rem 0 0.2rem;
        }
        friend-link a:hover {
            color: #f5c842;
        }
        .updated-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #e9f0f7;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #0f3b5e;
            margin-bottom: 1rem;
            border: 1px solid #d0d7de;
        }
        .updated-badge i {
            color: #d32f2f;
        }
        @media (max-width: 900px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
            footer .container {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 700px) {
            .nav-list {
                display: none;
                flex-direction: column;
                background: #0a1f2e;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                padding: 1.2rem 1.5rem;
                gap: 0.8rem;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                border-radius: 0 0 16px 16px;
            }
            .nav-list.open {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .form-card {
                padding: 1.2rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            .hero-img {
                max-height: 240px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            table {
                font-size: 0.8rem;
            }
            th,
            td {
                padding: 0.5rem 0.6rem;
            }
        }
        .text-highlight {
            background: #fff3cd;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .emoji-big {
            font-size: 1.6rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
        }
        .tag {
            display: inline-block;
            background: #e9f0f7;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #0f3b5e;
            margin-right: 0.3rem;
        }