*,
        *::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, Arial, sans-serif;
            background: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #d4380d;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #b22b00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a3a4a 100%);
            color: #fff;
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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;
            gap: 10px 20px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #ff8a50, #ffd700);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(255, 138, 80, 0.2);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .my-logo i {
            -webkit-text-fill-color: #ffd700;
            font-size: 1.8rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #aac8e0;
            letter-spacing: 1px;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: initial;
        }
        .my-logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px 18px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e8f0f8;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 8px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #ffd700;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 5px;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.05);
        }
        .nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e6edf4;
            font-size: 0.9rem;
            color: #5a6a7a;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #b0c4d8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #d4380d;
        }
        .breadcrumb .current {
            color: #1e2a3a;
            font-weight: 600;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .main-article {
            background: #fff;
            border-radius: 20px;
            padding: 35px 40px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            background: #fff;
            border-radius: 20px;
            padding: 30px 25px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 90px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.6rem;
            color: #0b1a2e;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #d4380d;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            color: #0b1a2e;
            border-bottom: 3px solid #ff8a50;
            padding-bottom: 6px;
            display: inline-block;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: #1a3a4a;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 1.6rem;
            margin-bottom: 0.5rem;
            color: #2a4a5a;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .lead {
            font-size: 1.2rem;
            color: #3a4a5a;
            font-weight: 400;
            line-height: 1.8;
        }
        .highlight-box {
            background: #fef6ee;
            border-left: 5px solid #ff8a50;
            padding: 18px 24px;
            border-radius: 10px;
            margin: 1.8rem 0;
        }
        .highlight-box strong {
            color: #d4380d;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 6px;
        }
        .last-update {
            display: inline-block;
            background: #eef3f8;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            color: #4a5a6a;
            margin-bottom: 1.2rem;
        }
        .last-update i {
            margin-right: 6px;
            color: #d4380d;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
            background: #eef3f8;
            text-align: center;
        }
        .featured-image img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            font-size: 0.9rem;
            color: #5a6a7a;
            background: #fafcfe;
            text-align: left;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
        }
        thead {
            background: #0b1a2e;
            color: #fff;
        }
        th,
        td {
            padding: 12px 18px;
            text-align: left;
            border-bottom: 1px solid #e6edf4;
        }
        tbody tr:hover {
            background: #f8faff;
        }
        th {
            font-weight: 600;
        }
        .search-box {
            background: #f5f7fa;
            border-radius: 40px;
            padding: 4px 4px 4px 20px;
            display: flex;
            align-items: center;
            border: 2px solid #e0e8f0;
            transition: border-color 0.3s;
            max-width: 500px;
            margin: 1.5rem 0;
        }
        .search-box:focus-within {
            border-color: #ff8a50;
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 12px 8px;
            font-size: 1rem;
            outline: none;
            color: #1e2a3a;
            min-width: 0;
        }
        .search-box button {
            background: #d4380d;
            border: none;
            color: #fff;
            padding: 10px 26px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            white-space: nowrap;
        }
        .search-box button:hover {
            background: #b22b00;
            transform: scale(0.97);
        }
        .feedback-forms {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 2.5rem 0;
        }
        .form-card {
            background: #fafcfe;
            border: 1px solid #e6edf4;
            border-radius: 16px;
            padding: 24px 28px;
        }
        .form-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .form-card label {
            font-weight: 500;
            display: block;
            margin: 12px 0 4px;
            font-size: 0.95rem;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e8f0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fff;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            border-color: #ff8a50;
            outline: none;
        }
        .form-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-card .btn-submit {
            background: #d4380d;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            margin-top: 16px;
            transition: background 0.2s, transform 0.1s;
            width: 100%;
        }
        .form-card .btn-submit:hover {
            background: #b22b00;
            transform: scale(0.98);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 8px 0 12px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d0d8e0;
            cursor: pointer;
            transition: color 0.2s, transform 0.1s;
            padding: 0 2px;
            margin: 0;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffb800;
            transform: scale(1.05);
        }
        .sidebar h3 {
            margin-top: 0;
            font-size: 1.3rem;
            border-bottom: 2px solid #ff8a50;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 1rem 0 2rem;
        }
        .sidebar li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f4f8;
        }
        .sidebar li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar li a i {
            color: #d4380d;
            width: 20px;
        }
        .sidebar .highlight-box {
            margin: 1rem 0;
            font-size: 0.95rem;
        }
        friend-link {
            display: block;
            background: #f0f4f8;
            padding: 20px 28px;
            border-radius: 16px;
            margin: 2rem 0 1rem;
            font-style: normal;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
        }
        friend-link li a {
            font-weight: 500;
        }
        .site-footer {
            background: #0b1a2e;
            color: #c8d8e8;
            padding: 30px 0 20px;
            margin-top: 40px;
            font-size: 0.95rem;
        }
        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .site-footer .copyright {
            color: #8aa0b8;
        }
        .site-footer a {
            color: #ffb08a;
        }
        .site-footer a:hover {
            color: #ffd7b0;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .main-article {
                order: 1;
                padding: 25px 20px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .feedback-forms {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 0 8px;
                gap: 4px;
            }
            .main-nav a {
                padding: 10px 12px;
                border-radius: 8px;
                white-space: normal;
            }
            .nav-toggle:checked~.main-nav {
                display: flex;
            }
            .my-logo {
                font-size: 1.35rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .main-article {
                padding: 20px 14px;
                border-radius: 12px;
            }
            .sidebar {
                padding: 20px 16px;
            }
            .search-box {
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 4px;
            }
            .search-box input {
                padding: 10px 14px;
                width: 100%;
            }
            .search-box button {
                width: 100%;
                border-radius: 20px;
                padding: 10px;
            }
            .site-footer .container {
                flex-direction: column;
                text-align: center;
            }
            friend-link ul {
                flex-direction: column;
                gap: 6px;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 8px 0;
            }
            .breadcrumb ol {
                gap: 4px 8px;
            }
            table {
                font-size: 0.85rem;
            }
            th,
            td {
                padding: 8px 10px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .lead {
                font-size: 1rem;
            }
            .form-card {
                padding: 16px 14px;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .fw-700 {
            font-weight: 700;
        }
        .color-accent {
            color: #d4380d;
        }