* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --secondary: #1d3557;
            --accent: #f4a261;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --border: #dee2e6;
            --bg-section: #ffffff;
            --bg-alt: #f1f3f5;
            --radius: 12px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
            --transition: 0.3s ease;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            color: var(--dark);
            background: var(--bg-alt);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--secondary);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: var(--primary);
            padding: 6px 18px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: transform var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #fff;
        }
        .my-logo i {
            font-size: 24px;
        }
        .my-logo small {
            font-size: 14px;
            font-weight: 400;
            opacity: 0.85;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 24px;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .navbar {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            align-items: center;
        }
        .navbar a {
            color: rgba(255, 255, 255, 0.85);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .navbar a:hover,
        .navbar a.active {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            font-size: 14px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            list-style: none;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: var(--gray);
            font-size: 18px;
            line-height: 1;
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb .current {
            color: var(--gray);
            font-weight: 500;
        }
        main {
            padding: 30px 0 50px;
        }
        .page-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-area h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .last-updated {
            display: inline-block;
            background: var(--accent);
            color: var(--dark);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .content-area h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--secondary);
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--primary);
        }
        .content-area h3 {
            font-size: 24px;
            font-weight: 600;
            color: var(--dark);
            margin: 30px 0 12px;
        }
        .content-area h4 {
            font-size: 20px;
            font-weight: 600;
            color: var(--secondary);
            margin: 20px 0 8px;
        }
        .content-area p {
            margin-bottom: 16px;
            font-size: 16px;
            color: #2b2b2b;
        }
        .content-area ul,
        .content-area ol {
            margin: 12px 0 20px 24px;
        }
        .content-area li {
            margin-bottom: 8px;
        }
        .highlight-box {
            background: #fff;
            border-left: 5px solid var(--primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .highlight-box strong {
            color: var(--primary-dark);
        }
        .feature-img {
            margin: 30px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .feature-img figcaption {
            text-align: center;
            font-size: 14px;
            color: var(--gray);
            margin-top: 8px;
            font-style: italic;
        }
        .inline-link {
            color: var(--primary);
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: all var(--transition);
        }
        .inline-link:hover {
            color: var(--primary-dark);
            text-decoration-thickness: 2px;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-links li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-links li:last-child {
            border-bottom: none;
        }
        .sidebar-links a {
            font-weight: 500;
            display: block;
            transition: padding var(--transition);
        }
        .sidebar-links a:hover {
            padding-left: 6px;
            color: var(--primary);
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 20px 0;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 16px;
            outline: none;
            transition: border var(--transition);
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 22px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-dark);
        }
        .interaction-panel {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            margin: 40px 0;
        }
        .interaction-panel h2 {
            margin-top: 0 !important;
            border-bottom: none !important;
        }
        .score-stars {
            display: flex;
            gap: 6px;
            font-size: 32px;
            color: #ffc107;
            cursor: pointer;
            margin: 12px 0 18px;
        }
        .score-stars i {
            transition: transform var(--transition), color var(--transition);
        }
        .score-stars i:hover {
            transform: scale(1.2);
            color: #ffb300;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: var(--radius);
            font-size: 16px;
            font-family: var(--font);
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border var(--transition);
        }
        .comment-form textarea:focus {
            border-color: var(--primary);
        }
        .comment-form .form-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin: 12px 0;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 16px;
            outline: none;
            transition: border var(--transition);
        }
        .comment-form .form-row input:focus {
            border-color: var(--primary);
        }
        .btn-submit {
            background: var(--secondary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-submit:hover {
            background: #0b1a2e;
        }
        friend-link {
            display: block;
            background: var(--secondary);
            color: #fff;
            padding: 24px 0;
            margin-top: 40px;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            justify-content: center;
        }
        friend-link a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            transition: color var(--transition);
        }
        friend-link a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        friend-link .flabel {
            font-weight: 700;
            color: var(--accent);
            margin-right: 8px;
        }
        .site-footer {
            background: #111;
            color: rgba(255, 255, 255, 0.7);
            padding: 30px 0;
            text-align: center;
            font-size: 14px;
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer a {
            color: var(--accent);
        }
        .site-footer a:hover {
            text-decoration: underline;
        }
        .site-footer .copyright {
            font-size: 13px;
            opacity: 0.8;
        }
        @media (max-width: 992px) {
            .page-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .content-area h1 {
                font-size: 32px;
            }
            .content-area h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .navbar {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 12px;
                gap: 4px;
            }
            .navbar.open {
                display: flex;
            }
            .navbar a {
                padding: 10px 16px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.06);
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 22px;
                padding: 4px 14px;
            }
            .content-area h1 {
                font-size: 28px;
            }
            .content-area h2 {
                font-size: 22px;
            }
            .content-area h3 {
                font-size: 20px;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .score-stars {
                font-size: 28px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form .form-row input {
                min-width: auto;
            }
            friend-link .container {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .content-area h1 {
                font-size: 24px;
            }
            .content-area h2 {
                font-size: 20px;
            }
            .content-area p {
                font-size: 15px;
            }
            .interaction-panel {
                padding: 18px;
            }
            .sidebar-card {
                padding: 18px;
            }
        }
        .text-accent {
            color: var(--primary);
        }
        .fw-bold {
            font-weight: 700;
        }
        .mt-2 {
            margin-top: 20px;
        }
        .mb-1 {
            margin-bottom: 10px;
        }
        .gap-1 {
            gap: 8px;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .align-center {
            align-items: center;
        }