* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f4f7fc;
            color: #1a2a3a;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #004a99;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0b1a2e, #1a3a5c);
            color: #fff;
            padding: 16px 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: #f7d44a;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #f7d44a, #f0b800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #aac;
            color: #aac;
            display: block;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #e0edff;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            display: block;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        #nav-toggle {
            display: none;
        }
        @media (max-width: 820px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0b1a2e;
                padding: 16px 0;
                border-radius: 0 0 16px 16px;
                margin-top: 12px;
                gap: 4px;
            }
            #nav-toggle:checked+.hamburger+.nav-list {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 20px;
                border-radius: 0;
            }
            .header-inner {
                flex-wrap: wrap;
            }
        }
        .breadcrumb {
            background: #e8edf4;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0dae8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 6px;
            color: #6a7a8a;
        }
        .breadcrumb a {
            color: #2a5a8a;
        }
        .breadcrumb .current {
            color: #1a2a3a;
            font-weight: 600;
        }
        .hero {
            padding: 32px 0 16px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0b1a2e;
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .hero h1 i {
            color: #f0b800;
        }
        .hero .subtitle {
            font-size: 1.1rem;
            color: #3a5a7a;
            max-width: 720px;
            margin: 0 auto 20px;
        }
        .hero .meta {
            font-size: 0.9rem;
            color: #6a7a8a;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero .meta i {
            margin-right: 6px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 32px;
            padding: 24px 0 48px;
        }
        @media (max-width: 860px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .main-article {
            background: #fff;
            border-radius: 20px;
            padding: 32px 36px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        @media (max-width: 600px) {
            .main-article {
                padding: 20px 16px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
        }
        .main-article h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0b1a2e;
            border-left: 5px solid #f0b800;
            padding-left: 16px;
            margin: 40px 0 16px;
        }
        .main-article h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1a3a5c;
            margin: 28px 0 12px;
        }
        .main-article h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2a4a6a;
            margin: 20px 0 8px;
        }
        .main-article p {
            margin-bottom: 16px;
            color: #2a3a4a;
        }
        .main-article ul,
        .main-article ol {
            margin: 12px 0 18px 24px;
        }
        .main-article li {
            margin-bottom: 6px;
        }
        .main-article strong {
            color: #0b1a2e;
        }
        .main-article .highlight-box {
            background: #f0f6ff;
            border-left: 4px solid #0066cc;
            padding: 18px 22px;
            border-radius: 12px;
            margin: 20px 0;
        }
        .main-article .highlight-box i {
            color: #0066cc;
            margin-right: 8px;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            background: #e8edf4;
        }
        .featured-image img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: #4a5a6a;
            background: #f4f7fc;
            font-style: italic;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            margin: 18px 0;
            padding: 12px 0;
            border-top: 1px solid #e0e8f0;
            border-bottom: 1px solid #e0e8f0;
        }
        .link-list-inline a {
            font-weight: 500;
            font-size: 0.9rem;
            background: #f0f4fa;
            padding: 4px 14px;
            border-radius: 30px;
            transition: background 0.2s;
        }
        .link-list-inline a:hover {
            background: #dce6f2;
            text-decoration: none;
        }
        .sidebar {
            background: #fff;
            border-radius: 20px;
            padding: 24px 20px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            color: #0b1a2e;
            border-bottom: 2px solid #f0b800;
            padding-bottom: 8px;
            margin-bottom: 16px;
        }
        .sidebar .link-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .sidebar .link-group a {
            padding: 6px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #f0f4fa;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar .link-group a i {
            color: #f0b800;
            font-size: 0.7rem;
        }
        .search-box {
            background: #f4f7fc;
            border-radius: 40px;
            display: flex;
            align-items: center;
            padding: 4px 4px 4px 18px;
            margin-bottom: 24px;
            border: 1px solid #d0dae8;
            transition: border-color 0.3s;
        }
        .search-box:focus-within {
            border-color: #0066cc;
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 10px 0;
            flex: 1;
            font-size: 0.95rem;
            outline: none;
            color: #1a2a3a;
        }
        .search-box button {
            background: #0066cc;
            border: none;
            color: #fff;
            padding: 10px 20px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.9rem;
        }
        .search-box button:hover {
            background: #004a99;
        }
        .feedback-section {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 2px solid #e8edf4;
        }
        .feedback-section h3 {
            font-size: 1.5rem;
            color: #0b1a2e;
            margin-bottom: 20px;
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 600px;
            margin-bottom: 28px;
        }
        .comment-form input,
        .comment-form textarea,
        .rating-form select {
            padding: 12px 16px;
            border: 1px solid #d0dae8;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.3s;
            background: #fafcff;
        }
        .comment-form input:focus,
        .comment-form textarea:focus,
        .rating-form select:focus {
            border-color: #0066cc;
            outline: none;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            background: #0b1a2e;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
            align-self: flex-start;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #1a3a5c;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            color: #f0b800;
            cursor: pointer;
        }
        .star-rating i {
            transition: transform 0.15s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        footer {
            background: #0b1a2e;
            color: #c8d8e8;
            padding: 36px 0 20px;
            margin-top: 40px;
        }
        footer .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        @media (max-width: 700px) {
            footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        footer h4 {
            color: #f7d44a;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        footer a {
            color: #aac4e0;
        }
        footer a:hover {
            color: #fff;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin-top: 8px;
        }
        .friend-links a {
            font-size: 0.9rem;
        }
        .copyright {
            margin-top: 28px;
            padding-top: 16px;
            border-top: 1px solid #1a3a5c;
            font-size: 0.85rem;
            text-align: center;
            color: #7a8a9a;
        }
        .copyright a {
            color: #aac4e0;
        }
        @media (max-width: 480px) {
            .hero .meta {
                flex-direction: column;
                gap: 6px;
            }
            .search-box {
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 8px 12px;
            }
            .search-box input {
                width: 100%;
                padding: 8px 0;
            }
            .search-box button {
                width: 100%;
                border-radius: 30px;
                margin-top: 6px;
            }
        }
        .emoji-big {
            font-size: 1.3em;
            margin-right: 4px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th {
            background: #0b1a2e;
            color: #fff;
            padding: 10px 14px;
            text-align: left;
        }
        table td {
            padding: 10px 14px;
            border-bottom: 1px solid #e0e8f0;
        }
        table tr:hover td {
            background: #f4f8ff;
        }
        .btn-back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #0b1a2e;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
            transition: transform 0.2s, background 0.2s;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .btn-back-top:hover {
            transform: translateY(-4px);
            background: #1a3a5c;
        }
        @media (max-width: 600px) {
            .btn-back-top {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                bottom: 16px;
                right: 16px;
            }
        }