*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a1a2e;
            --secondary: #16213e;
            --accent: #e94560;
            --accent2: #f5a623;
            --light: #f8f9fa;
            --dark: #0f0f1a;
            --gray: #6c757d;
            --border: #dee2e6;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --font: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--light);
            color: #222;
            line-height: 1.7;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #c0392b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
            color: #fff;
        }
        .my-logo i {
            color: var(--accent2);
            font-size: 2rem;
        }
        .my-logo span {
            background: linear-gradient(135deg, var(--accent2), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a.active {
            background: var(--accent);
            color: #fff;
        }
        .breadcrumb {
            background: #fff;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.85rem;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: var(--gray);
            font-weight: 600;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .current {
            color: var(--dark);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #fff;
            padding: 60px 0 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "🧊";
            position: absolute;
            font-size: 16rem;
            opacity: 0.06;
            right: -40px;
            bottom: -60px;
            transform: rotate(15deg);
            pointer-events: none;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero h1 i {
            color: var(--accent2);
            margin-right: 10px;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 720px;
            margin: 0 auto 24px;
            opacity: 0.85;
            font-weight: 300;
        }
        .hero .meta {
            font-size: 0.95rem;
            opacity: 0.6;
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero .meta i {
            margin-right: 6px;
        }
        .last-updated {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
        }
        .main-content {
            padding: 50px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-body h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-top: 48px;
            margin-bottom: 18px;
            color: var(--primary);
            border-bottom: 4px solid var(--accent2);
            padding-bottom: 8px;
            display: inline-block;
        }
        .content-body h2:first-of-type {
            margin-top: 0;
        }
        .content-body h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 32px;
            margin-bottom: 12px;
            color: var(--secondary);
        }
        .content-body h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #2c3e50;
        }
        .content-body p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #333;
        }
        .content-body p strong {
            color: var(--primary);
        }
        .content-body ul,
        .content-body ol {
            margin: 12px 0 24px 24px;
        }
        .content-body li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .content-body .highlight-box {
            background: #fff8e1;
            border-left: 5px solid var(--accent2);
            padding: 18px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .content-body .highlight-box i {
            color: var(--accent2);
            margin-right: 8px;
        }
        .featured-image-wrapper {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #fff;
            padding: 12px;
        }
        .featured-image-wrapper img {
            width: 100%;
            border-radius: calc(var(--radius) - 4px);
        }
        .featured-image-wrapper figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: var(--gray);
            margin-top: 10px;
            font-style: italic;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 18px 0 24px;
        }
        .link-list-inline a {
            background: #f0f0f5;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.92rem;
            color: var(--primary);
            font-weight: 500;
            transition: background 0.2s, transform 0.15s;
        }
        .link-list-inline a:hover {
            background: var(--accent2);
            color: #fff;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            margin-bottom: 28px;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--primary);
            border-bottom: 2px solid var(--accent2);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            color: #444;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
        }
        .sidebar-card li a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .sidebar-card li a i {
            width: 20px;
            color: var(--accent2);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            margin: 10px 0 6px;
        }
        .rating-stars i.active {
            color: var(--accent2);
        }
        .rating-stars i:hover,
        .rating-stars i.hover {
            color: var(--accent2);
        }
        .interactive-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px solid var(--border);
        }
        .interactive-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .interactive-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 30px;
            box-shadow: var(--shadow);
        }
        .interactive-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--primary);
        }
        .interactive-card h3 i {
            color: var(--accent2);
            margin-right: 10px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            font-family: var(--font);
            transition: border-color 0.2s;
            background: #fafafa;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent2);
            background: #fff;
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .btn {
            display: inline-block;
            padding: 12px 32px;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            font-family: var(--font);
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: #c0392b;
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent2);
            color: #fff;
        }
        .btn-accent:hover {
            background: #d4951f;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.9rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            font-family: var(--font);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--accent2);
        }
        .comment-list {
            max-height: 300px;
            overflow-y: auto;
            margin-top: 16px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .comment-item {
            padding: 12px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-item .author {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.95rem;
        }
        .comment-item .time {
            font-size: 0.78rem;
            color: var(--gray);
            margin-left: 12px;
        }
        .comment-item .text {
            margin-top: 4px;
            color: #444;
            font-size: 0.95rem;
        }
        .score-display {
            display: flex;
            align-items: center;
            gap: 16px;
            margin: 12px 0 6px;
        }
        .score-display .avg {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--accent2);
        }
        .score-display .count {
            color: var(--gray);
            font-size: 0.9rem;
        }
        .score-msg {
            font-size: 0.9rem;
            color: #2e7d32;
            margin-top: 6px;
            min-height: 24px;
        }
        .friend-links-section {
            background: var(--primary);
            color: #fff;
            padding: 40px 0;
        }
        .friend-links-section h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--accent2);
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        friend-link a {
            color: rgba(255, 255, 255, 0.8);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            text-decoration: none;
        }
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 28px 0;
            text-align: center;
            font-size: 0.9rem;
        }
        .site-footer .copyright {
            font-size: 0.85rem;
            opacity: 0.75;
        }
        .site-footer a {
            color: var(--accent2);
        }
        .site-footer a:hover {
            color: #fff;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar .sidebar-card:last-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--secondary);
                padding: 12px 0;
                border-radius: 0 0 var(--radius) var(--radius);
                margin-top: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .interactive-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .content-body h2 {
                font-size: 1.6rem;
            }
            .content-body h3 {
                font-size: 1.25rem;
            }
            .rating-stars {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 14px;
            }
            .breadcrumb ul {
                font-size: 0.78rem;
                gap: 4px 8px;
            }
            .breadcrumb li+li::before {
                margin-right: 8px;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb {
            background: #c1c1c1;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #a8a8a8;
        }
        .star-rating-input {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 2px;
        }
        .star-rating-input input {
            display: none;
        }
        .star-rating-input label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating-input input:checked~label,
        .star-rating-input label:hover,
        .star-rating-input label:hover~label {
            color: var(--accent2);
        }