*,
        *::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, Roboto, 'Helvetica Neue', sans-serif;
            background: #f8f9fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #2a7faa;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1a5a7a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: #0d1b2a;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #ff8c42;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #ff8c42;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 24px 28px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 1px solid #e9edf2;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ff8c42, #f7a072);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-block;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e2a3a;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0f2f5;
        }
        nav#main-nav ul {
            display: flex;
            gap: 20px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        nav#main-nav ul li a {
            font-weight: 600;
            color: #1e2a3a;
            padding: 6px 14px;
            border-radius: 30px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        nav#main-nav ul li a:hover {
            background: #ff8c42;
            color: #fff;
            text-decoration: none;
        }
        .breadcrumb {
            width: 100%;
            margin-top: 12px;
            font-size: 0.85rem;
            color: #6c7a8a;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            padding: 8px 0 4px;
            border-top: 1px solid #eef1f5;
        }
        .breadcrumb a {
            color: #2a7faa;
        }
        .breadcrumb span {
            margin: 0 4px;
        }
        .search-wrap {
            background: #f0f4fa;
            border-radius: 60px;
            padding: 6px 6px 6px 20px;
            display: flex;
            align-items: center;
            max-width: 420px;
            margin: 18px 0 10px;
            border: 1px solid #dce2ec;
            transition: box-shadow 0.2s;
        }
        .search-wrap:focus-within {
            box-shadow: 0 0 0 3px rgba(255, 140, 66, 0.25);
            border-color: #ff8c42;
        }
        .search-wrap input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 10px 0;
            font-size: 0.95rem;
            outline: none;
            color: #1e2a3a;
        }
        .search-wrap input::placeholder {
            color: #8a9aa8;
        }
        .search-wrap button {
            background: #ff8c42;
            border: none;
            color: #fff;
            padding: 10px 22px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-wrap button:hover {
            background: #e07730;
            transform: scale(1.02);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 32px 0;
        }
        .main-article {
            min-width: 0;
        }
        .sidebar {
            border-left: 1px solid #e9edf2;
            padding-left: 32px;
        }
        .sidebar section {
            margin-bottom: 32px;
            background: #f8fafc;
            padding: 18px 20px;
            border-radius: 16px;
        }
        .sidebar h3 {
            margin-top: 0;
            font-size: 1.15rem;
            border-bottom: 2px solid #ff8c42;
            padding-bottom: 6px;
            display: inline-block;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
        }
        .sidebar ul li {
            margin-bottom: 10px;
        }
        .sidebar ul li a {
            font-weight: 500;
        }
        .featured-img {
            margin: 28px 0;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-img img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #eef2f6;
        }
        .featured-img figcaption {
            padding: 12px 18px;
            background: #f7f9fc;
            font-size: 0.85rem;
            color: #4a5a6a;
            border-top: 1px solid #e9edf2;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }
        th,
        td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid #e9edf2;
        }
        th {
            background: #0d1b2a;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) td {
            background: #f8fafc;
        }
        tr:hover td {
            background: #fff4eb;
        }
        .comment-section,
        .rating-section {
            background: #f8fafc;
            border-radius: 20px;
            padding: 28px 30px;
            margin: 36px 0 20px;
            border: 1px solid #eef1f5;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
        }
        .comment-section form,
        .rating-section form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .comment-section input,
        .comment-section textarea,
        .rating-section input,
        .rating-section select {
            padding: 12px 16px;
            border: 1px solid #dce2ec;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .comment-section input:focus,
        .comment-section textarea:focus,
        .rating-section input:focus,
        .rating-section select:focus {
            outline: none;
            border-color: #ff8c42;
            box-shadow: 0 0 0 3px rgba(255, 140, 66, 0.15);
        }
        .comment-section textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-section button,
        .rating-section button {
            align-self: flex-start;
            background: #0d1b2a;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-section button:hover,
        .rating-section button:hover {
            background: #1e3a5a;
            transform: translateY(-1px);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ffb84d;
        }
        footer {
            margin-top: 48px;
            padding: 32px 0 20px;
            border-top: 2px solid #e9edf2;
            font-size: 0.9rem;
            color: #4a5a6a;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-bottom: 24px;
        }
        friend-link {
            display: block;
            padding: 16px 20px;
            background: #f0f4fa;
            border-radius: 16px;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #eef1f5;
            font-size: 0.82rem;
            color: #7a8a9a;
        }
        .last-updated {
            background: #eef3f8;
            padding: 6px 16px;
            border-radius: 40px;
            display: inline-block;
            font-size: 0.8rem;
            color: #3a5a6a;
            margin-bottom: 18px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sidebar {
                border-left: none;
                padding-left: 0;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 16px 14px;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            header {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav#main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease;
            }
            nav#main-nav.open {
                max-height: 400px;
            }
            nav#main-nav ul {
                flex-direction: column;
                gap: 4px;
                padding: 12px 0 4px;
            }
            nav#main-nav ul li a {
                display: block;
                padding: 10px 14px;
            }
            .search-wrap {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 30px;
            }
            .search-wrap input {
                width: 100%;
                padding: 8px 0;
            }
            .search-wrap button {
                width: 100%;
                justify-content: center;
                margin-top: 6px;
            }
            .comment-section,
            .rating-section {
                padding: 18px 16px;
            }
            table {
                font-size: 0.8rem;
            }
            th,
            td {
                padding: 8px 10px;
            }
            .sidebar section {
                padding: 14px 16px;
            }
            footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 12px 10px;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .highlight-box {
            background: #fff8f2;
            border-left: 5px solid #ff8c42;
            padding: 18px 22px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .tag {
            display: inline-block;
            background: #ff8c42;
            color: #fff;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .flex-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 18px 0;
        }
        .flex-stats .stat {
            background: #f0f4fa;
            padding: 12px 20px;
            border-radius: 14px;
            flex: 1 1 140px;
            text-align: center;
        }
        .flex-stats .stat strong {
            display: block;
            font-size: 1.6rem;
            color: #ff8c42;
        }
        .btn-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #0d1b2a;
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
            transition: background 0.2s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 999;
        }
        .btn-top:hover {
            background: #ff8c42;
            transform: translateY(-3px);
        }
        @media (max-width: 600px) {
            .btn-top {
                width: 42px;
                height: 42px;
                font-size: 1rem;
                bottom: 16px;
                right: 16px;
            }
        }