* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: system-ui, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #f8f9fa;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 1.05rem;
        }
        a {
            color: #0f4c5c;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e36414;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f9c74f, #f8961e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 10px rgba(248, 150, 30, 0.3);
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #aaa;
            display: block;
            font-weight: 300;
            letter-spacing: 1px;
        }
        nav.main-nav ul {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav.main-nav ul li a {
            color: #eee;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: all 0.25s;
            background: rgba(255, 255, 255, 0.06);
        }
        nav.main-nav ul li a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #f9c74f;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .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);
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 6px;
            color: #888;
        }
        .breadcrumb a {
            color: #0f4c5c;
        }
        .breadcrumb .active {
            color: #6c757d;
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
            color: #fff;
            padding: 60px 0 50px;
            text-align: center;
            border-bottom: 4px solid #f9c74f;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
            background: linear-gradient(135deg, #f9c74f, #f8961e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.25rem;
            max-width: 750px;
            margin: 0 auto 24px;
            opacity: 0.92;
        }
        .hero .meta-info {
            font-size: 0.95rem;
            opacity: 0.7;
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
        }
        .search-section {
            background: #fff;
            padding: 32px 0;
            border-bottom: 1px solid #e9ecef;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
            border: 1px solid #dee2e6;
        }
        .search-form input {
            flex: 1;
            padding: 14px 22px;
            border: none;
            font-size: 1rem;
            outline: none;
            background: #fff;
        }
        .search-form button {
            background: #0f4c5c;
            color: #fff;
            border: none;
            padding: 14px 28px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #e36414;
        }
        .content-section {
            padding: 50px 0;
            background: #fff;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
        }
        .main-content h2 {
            font-size: 2rem;
            color: #1a1a2e;
            margin: 40px 0 16px;
            border-left: 5px solid #f9c74f;
            padding-left: 18px;
        }
        .main-content h3 {
            font-size: 1.5rem;
            color: #0f3460;
            margin: 32px 0 12px;
        }
        .main-content h4 {
            font-size: 1.2rem;
            color: #16213e;
            margin: 24px 0 8px;
            font-weight: 600;
        }
        .main-content p {
            margin-bottom: 18px;
            color: #2d2d44;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 22px 24px;
            color: #2d2d44;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .main-content .highlight-box {
            background: #f0f7fb;
            border-left: 4px solid #0f4c5c;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .main-content .highlight-box strong {
            color: #0f3460;
        }
        .main-content .stat-badge {
            display: inline-block;
            background: #e9ecef;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #0f4c5c;
        }
        .featured-image-wrapper {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-image-wrapper figcaption {
            padding: 12px 18px;
            background: #f8f9fa;
            font-size: 0.9rem;
            color: #6c757d;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: #f8f9fa;
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 28px;
            border: 1px solid #e9ecef;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            color: #0f3460;
            border-bottom: 2px solid #f9c74f;
            padding-bottom: 8px;
        }
        .sidebar-link-list {
            list-style: none;
        }
        .sidebar-link-list li {
            margin-bottom: 10px;
        }
        .sidebar-link-list a {
            display: block;
            padding: 8px 12px;
            background: #fff;
            border-radius: 8px;
            border: 1px solid #e9ecef;
            transition: all 0.2s;
            font-size: 0.95rem;
        }
        .sidebar-link-list a:hover {
            background: #0f4c5c;
            color: #fff;
            text-decoration: none;
            border-color: #0f4c5c;
            transform: translateX(4px);
        }
        .interaction-section {
            background: #f8f9fa;
            padding: 50px 0;
            border-top: 1px solid #dee2e6;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .rating-box,
        .comment-box {
            background: #fff;
            padding: 32px;
            border-radius: 16px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9ecef;
        }
        .rating-box h3,
        .comment-box h3 {
            font-size: 1.4rem;
            margin-bottom: 18px;
            color: #0f3460;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            cursor: pointer;
            color: #ccc;
            transition: color 0.2s;
            margin-bottom: 16px;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f9c74f;
        }
        .rating-form textarea,
        .comment-form textarea {
            width: 100%;
            padding: 14px;
            border: 1px solid #dee2e6;
            border-radius: 10px;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border 0.2s;
        }
        .rating-form textarea:focus,
        .comment-form textarea:focus {
            border-color: #0f4c5c;
            outline: none;
            box-shadow: 0 0 0 3px rgba(15, 76, 92, 0.1);
        }
        .rating-form input,
        .comment-form input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #dee2e6;
            border-radius: 10px;
            font-size: 1rem;
            margin-bottom: 12px;
            transition: border 0.2s;
        }
        .rating-form input:focus,
        .comment-form input:focus {
            border-color: #0f4c5c;
            outline: none;
            box-shadow: 0 0 0 3px rgba(15, 76, 92, 0.1);
        }
        .btn-submit {
            background: #0f4c5c;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
            margin-top: 8px;
        }
        .btn-submit:hover {
            background: #e36414;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(227, 100, 20, 0.3);
        }
        .rating-display {
            margin-top: 16px;
            font-size: 1.1rem;
        }
        .rating-display .stars-filled {
            color: #f9c74f;
        }
        .comment-list {
            margin-top: 20px;
            max-height: 400px;
            overflow-y: auto;
        }
        .comment-item {
            padding: 14px 0;
            border-bottom: 1px solid #e9ecef;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-item strong {
            color: #0f4c5c;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #999;
            margin-left: 12px;
        }
        footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 40px 0 24px;
            border-top: 4px solid #f9c74f;
        }
        footer a {
            color: #f9c74f;
        }
        footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: #f9c74f;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-grid ul li a {
            color: #bbb;
            font-size: 0.95rem;
        }
        .footer-grid ul li a:hover {
            color: #f9c74f;
            text-decoration: none;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }
        friend-link {
            display: block;
            margin-top: 16px;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 10px;
            font-size: 0.95rem;
        }
        friend-link a {
            color: #f9c74f;
            margin: 0 6px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav.main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 12px;
                gap: 4px;
                background: rgba(0, 0, 0, 0.3);
                padding: 12px;
                border-radius: 16px;
            }
            nav.main-nav ul.show {
                display: flex;
            }
            nav.main-nav ul li a {
                display: block;
                padding: 10px 16px;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1.05rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 16px;
            }
            .search-form button {
                border-radius: 0 0 16px 16px;
            }
            .rating-box,
            .comment-box {
                padding: 20px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero {
                padding: 36px 0 30px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .content-section {
                padding: 30px 0;
            }
            .main-content h2 {
                font-size: 1.5rem;
            }
            .main-content h3 {
                font-size: 1.2rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: #0f4c5c;
            color: #fff;
            border: none;
            border-radius: 50%;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: all 0.3s;
            opacity: 0;
            visibility: hidden;
            z-index: 999;
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background: #e36414;
            transform: translateY(-4px);
        }
