* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a2a3a;
            --accent: #e85d3a;
            --accent2: #f4a261;
            --bg: #faf8f5;
            --card: #ffffff;
            --text: #1e1e1e;
            --text-light: #555;
            --border: #e0d6cc;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
            --radius: 16px;
            --max-w: 1200px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 1.05rem;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #c04d2c;
            text-decoration: underline;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--primary);
        }
        h1 {
            font-size: 2.6rem;
            margin: 0 0 0.5rem;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            border-bottom: 3px solid var(--accent2);
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.5rem;
            margin: 2rem 0 0.75rem;
        }
        h4 {
            font-size: 1.2rem;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin: 0 0 1.25rem;
        }
        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            color: #fff;
            padding: 0 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .my-logo span {
            color: var(--accent2);
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--accent2);
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            opacity: 0.7;
            display: block;
            line-height: 1;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 1.8rem;
        }
        nav a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            transition: 0.2s;
        }
        nav a:hover {
            color: var(--accent2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .breadcrumb {
            background: #f0ebe5;
            padding: 10px 0;
            font-size: 0.9rem;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .hero {
            background: linear-gradient(135deg, #1a2a3a 0%, #2c3e50 100%);
            color: #fff;
            padding: 3rem 0 3.5rem;
            margin-bottom: 2rem;
        }
        .hero h1 {
            color: #fff;
            font-size: 3rem;
        }
        .hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            font-size: 0.95rem;
            opacity: 0.85;
            margin-top: 0.75rem;
        }
        .hero .meta i {
            margin-right: 6px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0 3rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 1.8rem;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid var(--accent2);
            padding-bottom: 0.4rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-weight: 500;
        }
        .featured-img {
            border-radius: var(--radius);
            overflow: hidden;
            margin: 1.8rem 0 2.2rem;
            box-shadow: var(--shadow);
            background: #e8e0d8;
        }
        .featured-img img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            max-height: 480px;
        }
        .featured-img figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: var(--text-light);
            background: var(--card);
            border-top: 1px solid var(--border);
        }
        .info-box {
            background: var(--card);
            border-left: 5px solid var(--accent);
            padding: 1.2rem 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }
        .info-box strong {
            color: var(--primary);
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .search-form {
            display: flex;
            gap: 10px;
            margin: 1.2rem 0 1.8rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
            background: var(--card);
        }
        .search-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(232, 93, 58, 0.15);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-form button:hover {
            background: #c04d2c;
            transform: scale(1.02);
        }
        .interaction-area {
            background: var(--card);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            margin: 3rem 0 2rem;
        }
        .interaction-area h2 {
            margin-top: 0;
            border-bottom-color: var(--accent);
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 12px;
            font-size: 1rem;
            font-family: var(--font);
            margin-bottom: 1rem;
            resize: vertical;
            transition: 0.2s;
            background: var(--bg);
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(232, 93, 58, 0.1);
            outline: none;
        }
        .comment-form .row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .comment-form .row input {
            flex: 1;
            min-width: 140px;
        }
        .btn {
            padding: 12px 30px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .btn:hover {
            background: #c04d2c;
            transform: scale(1.02);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent);
            color: #fff;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin: 0.8rem 0 1.2rem;
        }
        .rating-stars i {
            transition: 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f4a261;
        }
        .rating-stars i.fa-solid {
            color: #f4a261;
        }
        footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        footer .container {
            max-width: var(--max-w);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        footer h4 {
            color: var(--accent2);
            margin-bottom: 1rem;
            font-size: 1.1rem;
            border-bottom: 2px solid rgba(244, 162, 97, 0.3);
            padding-bottom: 0.4rem;
        }
        footer a {
            color: rgba(255, 255, 255, 0.75);
        }
        footer a:hover {
            color: var(--accent2);
        }
        footer ul {
            list-style: none;
            padding: 0;
        }
        footer ul li {
            padding: 0.3rem 0;
        }
        .friend-link {
            display: block;
            padding: 0.8rem 0;
        }
        .friend-link a {
            display: inline-block;
            padding: 0.25rem 0;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .toc {
            background: var(--card);
            border-radius: var(--radius);
            padding: 1.5rem 2rem;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ul {
            columns: 2;
            column-gap: 2rem;
            list-style: none;
            padding: 0;
        }
        .toc ul li {
            padding: 0.3rem 0;
            break-inside: avoid;
        }
        .toc ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .toc ul li a::before {
            content: "▸";
            color: var(--accent);
            font-weight: 700;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .data-table th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border);
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f7f3ef;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .header-inner {
                height: 62px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            nav {
                display: none;
                position: absolute;
                top: 62px;
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                padding: 1.2rem 1.5rem;
                gap: 0.8rem;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
                border-top: 1px solid rgba(255, 255, 255, 0.05);
            }
            nav.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .toc ul {
                columns: 1;
            }
            .data-table {
                font-size: 0.9rem;
            }
            .interaction-area {
                padding: 1.2rem;
            }
            .comment-form .row {
                flex-direction: column;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: auto;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.7rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero {
                padding: 2rem 0 2.5rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .text-small {
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .highlight {
            background: #fff3e0;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .tag {
            display: inline-block;
            background: var(--accent2);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .tag i {
            margin-right: 4px;
        }