*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f6f8fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0a6b8a;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e67e22;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b2a3e;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #dde5ed;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0b2a3e 0%, #1a4a62 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: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f9e05a;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s ease;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffd966;
            text-decoration: none;
        }
        .my-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: #bcd8e8;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2edf5;
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #f9e05a;
            text-decoration: none;
        }
        .main-nav a.active {
            background: rgba(249, 224, 90, 0.2);
            color: #f9e05a;
        }
        .breadcrumb {
            background: #eaf0f7;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0dce8;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #7a8fa3;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0a6b8a;
        }
        .breadcrumb .current {
            color: #2c3e50;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #d4eaf7 0%, #b8d9f0 100%);
            border-radius: 24px;
            padding: 2.5rem 2rem;
            margin: 2rem 0 2.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
            box-shadow: 0 8px 30px rgba(0, 40, 60, 0.08);
        }
        .hero-content {
            flex: 2;
            min-width: 260px;
        }
        .hero-content h1 {
            font-size: 2.2rem;
            margin-top: 0;
            color: #0b2a3e;
        }
        .hero-content p {
            font-size: 1.1rem;
            color: #1e3a4a;
        }
        .hero-image {
            flex: 1;
            min-width: 200px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        .hero-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .search-box {
            background: #fff;
            padding: 1.5rem 1.8rem;
            border-radius: 20px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            margin: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.8rem;
            border: 1px solid #e2ebf3;
        }
        .search-box label {
            font-weight: 600;
            color: #0b2a3e;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.75rem 1.2rem;
            border: 1px solid #cbdae6;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-box input[type="text"]:focus {
            border-color: #0a6b8a;
            box-shadow: 0 0 0 3px rgba(10, 107, 138, 0.1);
        }
        .search-box button {
            background: #0a6b8a;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover {
            background: #e67e22;
            transform: translateY(-1px);
        }
        .content-area {
            background: #fff;
            border-radius: 24px;
            padding: 2.5rem 2.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
            margin: 2rem 0;
            border: 1px solid #e8eef6;
        }
        .content-area article p {
            text-align: justify;
        }
        .content-area .feature-img {
            border-radius: 16px;
            margin: 2rem 0;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
        }
        .content-area .feature-img img {
            border-radius: 16px;
            width: 100%;
        }
        .content-area .feature-img figcaption {
            font-size: 0.85rem;
            color: #5a7388;
            padding: 0.5rem 0 0 0.3rem;
            font-style: italic;
        }
        .rating-section {
            background: #f2f7fd;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            border: 1px solid #dde8f2;
        }
        .rating-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #cbdae6;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .rating-form button {
            background: #0a6b8a;
            color: #fff;
            border: none;
            padding: 0.6rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 0.8rem;
        }
        .rating-form button:hover {
            background: #e67e22;
        }
        .comments-section {
            margin: 2.5rem 0;
            padding: 1.8rem 0;
            border-top: 2px solid #e2ebf3;
        }
        .comments-section h3 {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #cbdae6;
            border-radius: 16px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #0a6b8a;
            box-shadow: 0 0 0 3px rgba(10, 107, 138, 0.1);
        }
        .comment-form .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 0.8rem;
            align-items: center;
        }
        .comment-form input[type="text"] {
            flex: 1;
            min-width: 160px;
            padding: 0.7rem 1rem;
            border: 1px solid #cbdae6;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
        }
        .comment-form input[type="text"]:focus {
            border-color: #0a6b8a;
        }
        .comment-form button {
            background: #0a6b8a;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover {
            background: #e67e22;
        }
        friend-link {
            display: block;
            background: #eaf0f7;
            border-radius: 20px;
            padding: 1.5rem 2rem;
            margin: 2rem 0 0.5rem;
            border: 1px solid #d0dce8;
        }
        friend-link h4 {
            margin-top: 0;
            font-size: 1.1rem;
            color: #0b2a3e;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.5rem;
        }
        friend-link li a {
            font-weight: 500;
        }
        .site-footer {
            background: #0b2a3e;
            color: #cbdae6;
            padding: 2rem 0;
            margin-top: 3rem;
            font-size: 0.9rem;
            border-top: 4px solid #f9e05a;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem;
        }
        .site-footer a {
            color: #b8d9f0;
        }
        .site-footer a:hover {
            color: #f9e05a;
        }
        .copyright {
            width: 100%;
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid #1f4a62;
            margin-top: 0.8rem;
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 0.8rem;
                gap: 0.1rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 12px;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            .hero {
                padding: 1.8rem 1.2rem;
                flex-direction: column;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .content-area {
                padding: 1.5rem 1rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .search-box {
                flex-direction: column;
                align-items: stretch;
            }
            .search-box button {
                justify-content: center;
            }
            .rating-section {
                padding: 1.2rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            friend-link ul {
                flex-direction: column;
                gap: 0.3rem;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .content-area {
                padding: 1rem 0.8rem;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form input[type="text"] {
                width: 100%;
            }
        }
        .text-muted {
            color: #5a7388;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #5a7388;
            display: block;
            margin: 1.5rem 0 0.2rem;
            padding: 0.5rem 0;
            border-top: 1px dashed #d0dce8;
        }