*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8faff;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #004080;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a33 0%, #1a3a5c 100%);
            padding: 0.75rem 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: #fff;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffe066;
            text-decoration: none;
        }
        .my-logo i {
            color: #ffe066;
            font-size: 2rem;
        }
        .my-logo span {
            font-weight: 300;
            color: #8ab4f8;
            font-size: 1rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0edff;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #ffe066;
            text-decoration: none;
        }
        .main-nav a.active {
            background: rgba(255, 224, 102, 0.18);
            color: #ffe066;
        }
        .breadcrumb {
            background: #eef3fa;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce3ed;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.25rem 0.5rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #7a8a9e;
        }
        .breadcrumb a {
            color: #2a5a8a;
        }
        .breadcrumb .current {
            color: #1e2a3a;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #e8f0fe 0%, #d4e4f7 100%);
            padding: 3rem 0 2.5rem;
            border-bottom: 1px solid #ccd9e8;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0b1a33;
            line-height: 1.2;
            margin-bottom: 0.75rem;
        }
        .hero h1 i {
            color: #f5a623;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            margin: 0 auto 1.5rem;
            color: #2a405c;
        }
        .hero .last-updated {
            display: inline-block;
            background: #0b1a33;
            color: #ffe066;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
        }
        .content-body h2 {
            font-size: 1.9rem;
            margin: 2.5rem 0 1rem;
            color: #0b1a33;
            border-left: 5px solid #f5a623;
            padding-left: 1rem;
        }
        .content-body h3 {
            font-size: 1.4rem;
            margin: 2rem 0 0.75rem;
            color: #1a3a5c;
        }
        .content-body h4 {
            font-size: 1.15rem;
            margin: 1.5rem 0 0.5rem;
            color: #2a4a6a;
            font-weight: 600;
        }
        .content-body p {
            margin-bottom: 1.2rem;
            color: #1e2a3a;
        }
        .content-body .highlight-box {
            background: #eef6ff;
            border-left: 4px solid #0066cc;
            padding: 1.25rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .content-body .highlight-box strong {
            color: #004080;
        }
        .content-body .emoji-big {
            font-size: 1.3rem;
        }
        .sidebar {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8edf5;
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #0b1a33;
            border-bottom: 2px solid #f0a500;
            padding-bottom: 0.5rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
        }
        .sidebar li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f3f8;
        }
        .sidebar li a {
            color: #1a3a5c;
            font-weight: 500;
        }
        .sidebar li a:hover {
            color: #f5a623;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.5rem 0;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid #dce3ed;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fff;
            transition: border 0.2s;
        }
        .search-form input:focus {
            outline: none;
            border-color: #f5a623;
        }
        .search-form button {
            padding: 0.7rem 1.4rem;
            background: #0b1a33;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #1a3a5c;
            transform: translateY(-1px);
        }
        .feedback-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e0e7f0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #dce3ed;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: #f5a623;
        }
        .comment-form input[type="text"],
        .comment-form input[type="email"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dce3ed;
            border-radius: 10px;
            font-size: 0.95rem;
            margin-top: 0.5rem;
            transition: border 0.2s;
        }
        .comment-form input:focus {
            outline: none;
            border-color: #f5a623;
        }
        .comment-form .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin: 0.5rem 0;
        }
        .comment-form .form-row>* {
            flex: 1;
            min-width: 140px;
        }
        .comment-form button {
            padding: 0.7rem 2rem;
            background: #f5a623;
            color: #0b1a33;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            margin-top: 0.5rem;
        }
        .comment-form button:hover {
            background: #e09500;
            transform: translateY(-1px);
        }
        .rating-form .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            cursor: pointer;
            margin: 0.5rem 0;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .rating-form .stars i {
            color: #dce3ed;
            transition: color 0.2s, transform 0.1s;
        }
        .rating-form .stars i:hover,
        .rating-form .stars i:hover~i {
            color: #f5a623;
            transform: scale(1.1);
        }
        .rating-form .stars input {
            display: none;
        }
        .rating-form .stars input:checked~i {
            color: #f5a623;
        }
        .rating-form button {
            padding: 0.7rem 2rem;
            background: #0b1a33;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            margin-top: 0.5rem;
        }
        .rating-form button:hover {
            background: #1a3a5c;
            transform: translateY(-1px);
        }
        .rating-form .star-label {
            display: block;
            margin-top: 0.3rem;
            font-size: 0.9rem;
            color: #5a6a7a;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f0f5fc;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #3a5a7a;
            text-align: center;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0;
            border-top: 1px solid #dce3ed;
            margin-top: 1.5rem;
        }
        friend-link .friend-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: #0b1a33;
            margin-bottom: 0.75rem;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        friend-link .friend-list li {
            margin: 0;
        }
        friend-link .friend-list a {
            color: #2a5a8a;
            font-weight: 500;
            font-size: 0.9rem;
        }
        friend-link .friend-list a:hover {
            color: #f5a623;
        }
        .site-footer {
            background: #0b1a33;
            color: #b0c8e0;
            padding: 2rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem;
        }
        .site-footer .copyright {
            color: #8aaccc;
        }
        .site-footer a {
            color: #8ab4f8;
        }
        .site-footer a:hover {
            color: #ffe066;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 0.75rem;
                gap: 0.15rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 6px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo span {
                font-size: 0.8rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .breadcrumb ol {
                font-size: 0.78rem;
            }
            .content-body h2 {
                font-size: 1.5rem;
            }
            .content-body h3 {
                font-size: 1.2rem;
            }
            .search-form input {
                min-width: 120px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .rating-form .stars {
                font-size: 1.6rem;
            }
            .comment-form .form-row {
                flex-direction: column;
                gap: 0.3rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .fw-700 {
            font-weight: 700;
        }
        .color-accent {
            color: #f5a623;
        }
        .bg-soft {
            background: #f0f6fe;
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #eef3fa;
        }
        ::-webkit-scrollbar-thumb {
            background: #b0c8e0;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #8aaccc;
        }