*,
        *::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, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f3f0;
            color: #1e1a18;
            line-height: 1.7;
            padding: 0 16px;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #fffcf9;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.06);
            border-radius: 28px 28px 0 0;
            overflow: hidden;
            padding: 0 24px 40px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0 12px;
            border-bottom: 2px solid #e6ddd6;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            text-decoration: none;
            color: #c53030;
            background: linear-gradient(145deg, #c53030, #8b1a1a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(197, 48, 48, 0.15);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: #c53030;
            font-size: 1.7rem;
        }
        .my-logo span {
            font-size: 0.75rem;
            font-weight: 400;
            letter-spacing: 0.3px;
            color: #6b5b52;
            -webkit-text-fill-color: #6b5b52;
            display: block;
            margin-top: -4px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .main-nav {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            text-decoration: none;
            color: #3d322c;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 14px;
            border-radius: 40px;
            transition: background 0.2s, color 0.2s, transform 0.1s;
            background: transparent;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: #c53030;
            color: #fff;
            transform: translateY(-1px);
            outline: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #3d322c;
            border-radius: 8px;
            padding: 6px 10px;
            font-size: 1.4rem;
            color: #3d322c;
            cursor: pointer;
            transition: background 0.2s, color 0.2s;
        }
        .hamburger:hover {
            background: #c53030;
            border-color: #c53030;
            color: #fff;
        }
        #nav-toggle {
            display: none;
        }
        #nav-toggle:checked~.main-nav {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fffcf9;
            border-radius: 0 0 20px 20px;
            padding: 16px 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
            z-index: 100;
            border: 2px solid #e6ddd6;
            border-top: none;
            gap: 4px;
        }
        #nav-toggle:checked~.main-nav a {
            padding: 10px 16px;
            border-radius: 12px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 12px;
            padding: 12px 0 8px;
            font-size: 0.85rem;
            color: #6b5b52;
        }
        .breadcrumb a {
            color: #8b3a2a;
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            font-size: 0.65rem;
            color: #b5a69c;
        }
        .content {
            padding: 20px 0 10px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: #1e1a18;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 4px solid #c53030;
            display: inline-block;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 16px;
            color: #2d2420;
            letter-spacing: -0.01em;
            border-left: 6px solid #c53030;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #3d322c;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #4d3f38;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2c2420;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #4d3f38;
            background: #faf5f0;
            padding: 20px 24px;
            border-radius: 20px;
            border-left: 4px solid #c53030;
            margin-bottom: 28px;
        }
        .emoji-lg {
            font-size: 1.4rem;
            display: inline-block;
            margin-right: 4px;
        }
        strong,
        b {
            color: #1e1a18;
            font-weight: 700;
        }
        .highlight-box {
            background: #fcf7f2;
            border-radius: 20px;
            padding: 24px 28px;
            margin: 28px 0;
            border: 1px solid #e6ddd6;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .ranking-list {
            display: grid;
            gap: 20px;
            margin: 24px 0 32px;
        }
        .ranking-item {
            background: #fdfaf7;
            border-radius: 18px;
            padding: 20px 24px;
            border: 1px solid #e6ddd6;
            transition: box-shadow 0.25s, transform 0.2s;
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 16px 24px;
        }
        .ranking-item:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            transform: translateY(-2px);
        }
        .rank-badge {
            flex: 0 0 56px;
            font-size: 1.8rem;
            font-weight: 800;
            color: #c53030;
            background: #f5ede8;
            border-radius: 16px;
            text-align: center;
            padding: 8px 0;
        }
        .rank-content {
            flex: 1;
            min-width: 200px;
        }
        .rank-content h4 {
            margin-top: 0;
            font-size: 1.25rem;
        }
        .rank-content h4 small {
            font-weight: 400;
            font-size: 0.85rem;
            color: #8a7a70;
            margin-left: 10px;
        }
        .difficulty-meter {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 6px 0 10px;
            font-size: 0.85rem;
            color: #6b5b52;
        }
        .difficulty-meter .bar {
            flex: 0 0 120px;
            height: 8px;
            background: #e6ddd6;
            border-radius: 12px;
            overflow: hidden;
        }
        .difficulty-meter .bar span {
            display: block;
            height: 100%;
            background: #c53030;
            border-radius: 12px;
        }
        .difficulty-meter .bar span.hard {
            background: #8b1a1a;
        }
        .difficulty-meter .bar span.medium {
            background: #c57a30;
        }
        .difficulty-meter .bar span.easy {
            background: #30a56a;
        }
        .featured-image {
            margin: 32px 0 28px;
            border-radius: 24px;
            overflow: hidden;
            background: #f0e9e3;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 16/9;
            background: #d9cec4;
        }
        .featured-image figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #6b5b52;
            background: #faf5f0;
            font-style: italic;
            border-top: 1px solid #e6ddd6;
        }
        .form-card {
            background: #faf5f0;
            border-radius: 20px;
            padding: 28px 30px;
            margin: 36px 0;
            border: 1px solid #e6ddd6;
        }
        .form-card h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            color: #3d322c;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d9cec4;
            border-radius: 14px;
            font-size: 1rem;
            background: #fffcf9;
            transition: border-color 0.2s, box-shadow 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #c53030;
            box-shadow: 0 0 0 4px rgba(197, 48, 48, 0.1);
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #c53030;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover,
        .btn:focus-visible {
            background: #8b1a1a;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(197, 48, 48, 0.25);
            outline: none;
        }
        .btn i {
            font-size: 0.9rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #d9cec4;
            cursor: pointer;
            transition: color 0.15s, transform 0.1s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .star-rating label:hover {
            transform: scale(1.15);
        }
        .comment-thread {
            margin-top: 20px;
        }
        .comment-item {
            background: #fffcf9;
            border-radius: 16px;
            padding: 18px 22px;
            margin-bottom: 14px;
            border: 1px solid #e6ddd6;
        }
        .comment-item .meta {
            font-size: 0.85rem;
            color: #8a7a70;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }
        .comment-item .meta strong {
            color: #3d322c;
        }
        friend-link {
            display: block;
            padding: 24px 0 12px;
            border-top: 2px solid #e6ddd6;
            margin-top: 40px;
        }
        friend-link::before {
            content: "🔗 Friends & Related";
            display: block;
            font-weight: 700;
            font-size: 1.1rem;
            color: #3d322c;
            margin-bottom: 12px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            color: #8b3a2a;
            text-decoration: none;
            font-weight: 500;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        friend-link a:hover {
            border-bottom-color: #c53030;
            color: #c53030;
        }
        .site-footer {
            padding: 24px 0 10px;
            text-align: center;
            font-size: 0.9rem;
            color: #6b5b52;
            border-top: 1px solid #e6ddd6;
            margin-top: 16px;
        }
        .site-footer .copyright {
            font-weight: 500;
            margin-top: 6px;
        }
        .site-footer a {
            color: #8b3a2a;
            text-decoration: none;
        }
        .site-footer a:hover {
            text-decoration: underline;
        }
        @media (max-width: 820px) {
            .container {
                padding: 0 16px 32px;
                border-radius: 20px 20px 0 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
                padding-left: 14px;
            }
            h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .main-nav {
                display: none;
                width: 100%;
            }
            .hamburger {
                display: inline-block;
            }
            #nav-toggle:checked~.main-nav {
                display: flex;
            }
            .ranking-item {
                padding: 16px 18px;
            }
            .rank-badge {
                flex-basis: 42px;
                font-size: 1.4rem;
                padding: 4px 0;
            }
            .form-card {
                padding: 20px 18px;
            }
            .breadcrumb {
                font-size: 0.78rem;
                gap: 4px 8px;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 0 12px 24px;
                border-radius: 16px 16px 0 0;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.25rem;
                margin-top: 32px;
                padding-left: 10px;
                border-left-width: 4px;
            }
            .lead {
                padding: 16px 18px;
                font-size: 1rem;
            }
            .highlight-box {
                padding: 18px 16px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo span {
                font-size: 0.6rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .star-rating {
                font-size: 1.4rem;
            }
            .difficulty-meter .bar {
                flex-basis: 80px;
            }
        }
        .text-muted {
            color: #8a7a70;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .flex {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .gap-8 {
            gap: 8px;
        }
        .text-small {
            font-size: 0.9rem;
        }
        section {
            scroll-margin-top: 20px;
        }
        article {
            scroll-margin-top: 20px;
        }