* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --bg: #0f0e17;
            --surface: #1a1a2e;
            --card: #16213e;
            --primary: #e94560;
            --secondary: #0f3460;
            --accent: #f5c518;
            --text: #eaeaea;
            --text-dim: #a0a0b0;
            --border: #2a2a4a;
            --radius: 12px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
            --font: 'Segoe UI', Roboto, 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: 16px;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
        }
        h1 {
            font-size: 2.75rem;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            border-left: 5px solid var(--primary);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            margin: 2rem 0 0.75rem;
            color: var(--accent);
        }
        h4 {
            font-size: 1.2rem;
            margin: 1.5rem 0 0.5rem;
            color: #ccc;
        }
        p {
            margin-bottom: 1.25rem;
            font-size: 1.05rem;
        }
        ul,
        ol {
            margin: 0 0 1.5rem 1.75rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--surface);
            border-bottom: 2px solid var(--border);
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #f5c518, #e94560);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: var(--text-dim);
            color: var(--text-dim);
            font-weight: 400;
            letter-spacing: 0.05em;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.25rem;
            margin: 0;
            padding: 0;
            align-items: center;
        }
        .nav-list li a {
            display: block;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.25s, color 0.25s;
            text-decoration: none;
        }
        .nav-list li a:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: var(--border);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.75rem 0 0.25rem;
            margin: 0;
            font-size: 0.9rem;
            color: var(--text-dim);
        }
        .breadcrumb li+li::before {
            content: " / ";
            padding: 0 0.5rem;
            color: var(--text-dim);
        }
        .breadcrumb a {
            color: var(--text-dim);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb li:last-child {
            color: var(--accent);
            font-weight: 500;
        }
        .hero {
            padding: 3rem 0 2rem;
            text-align: center;
        }
        .hero p {
            max-width: 750px;
            margin: 0 auto 1.5rem;
            font-size: 1.2rem;
            color: var(--text-dim);
        }
        .hero .badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 1rem;
        }
        .last-updated {
            color: var(--text-dim);
            font-size: 0.85rem;
            margin-top: 0.5rem;
            display: block;
        }
        .last-updated i {
            margin-right: 0.3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-article {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 1rem;
            border-bottom: 2px solid var(--border);
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar-card ul li {
            margin-bottom: 0.6rem;
        }
        .sidebar-card ul li a {
            color: var(--text-dim);
            font-size: 0.95rem;
        }
        .sidebar-card ul li a:hover {
            color: var(--accent);
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--surface);
            padding: 0.5rem;
        }
        .featured-image img {
            border-radius: calc(var(--radius) - 4px);
            width: 100%;
        }
        .featured-image figcaption {
            padding: 0.75rem 0.5rem 0.25rem;
            font-size: 0.9rem;
            color: var(--text-dim);
            text-align: center;
            font-style: italic;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .data-table th {
            background: var(--secondary);
            color: #fff;
            padding: 0.75rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--border);
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: rgba(233, 69, 96, 0.08);
        }
        .form-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem;
            margin: 2rem 0;
        }
        .form-card h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.25rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.4rem;
            color: #ddd;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--bg);
            color: var(--text);
            font-family: var(--font);
            font-size: 1rem;
            transition: border 0.25s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(245, 197, 24, 0.15);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 0.75rem 2rem;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            background: var(--primary);
            color: #fff;
            transition: background 0.25s, transform 0.15s;
            font-family: var(--font);
        }
        .btn:hover {
            background: #d63851;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: var(--secondary);
        }
        .btn-secondary:hover {
            background: #1a4a7a;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            direction: rtl;
            unicode-bidi: bidi-override;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: var(--border);
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        .comment-item {
            background: var(--surface);
            border-radius: 8px;
            padding: 1.25rem;
            margin-bottom: 1rem;
            border-left: 4px solid var(--accent);
        }
        .comment-item .meta {
            font-size: 0.85rem;
            color: var(--text-dim);
            margin-bottom: 0.5rem;
        }
        .comment-item .meta strong {
            color: var(--text);
        }
        .site-footer {
            background: var(--surface);
            border-top: 2px solid var(--border);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 {
            color: var(--accent);
            margin-top: 0;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 0.5rem;
        }
        .site-footer ul li a {
            color: var(--text-dim);
            font-size: 0.95rem;
        }
        .site-footer ul li a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            padding: 1rem 0;
            border-top: 1px solid var(--border);
            margin-top: 1rem;
            font-size: 0.95rem;
            color: var(--text-dim);
        }
        friend-link a {
            color: var(--text-dim);
            margin: 0 0.5rem;
        }
        friend-link a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
            color: var(--text-dim);
            font-size: 0.85rem;
        }
        .copyright strong {
            color: var(--text);
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .main-article {
                order: 1;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--surface);
                padding: 0.5rem 0;
                border-top: 1px solid var(--border);
                margin-top: 0.5rem;
            }
            .nav-list li a {
                padding: 0.75rem 1rem;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 600px) {
            .container {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 0.6rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .form-card {
                padding: 1.25rem;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.6rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (min-width: 901px) {
            .hamburger {
                display: none !important;
            }
            #nav-toggle {
                display: none !important;
            }
            .nav-list {
                display: flex !important;
            }
        }
        .highlight-box {
            background: linear-gradient(135deg, var(--card), var(--surface));
            border-left: 5px solid var(--accent);
            padding: 1.5rem 2rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1.5rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: var(--card);
            padding: 1.25rem;
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid var(--border);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            display: block;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: var(--text-dim);
            margin-top: 0.25rem;
        }
        .emoji-big {
            font-size: 1.4em;
            line-height: 1;
        }
        .tag {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 0.3rem;
        }
        .flex-video {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: var(--radius);
            margin: 1.5rem 0;
            background: #000;
        }
        .flex-video iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: var(--primary);
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: var(--shadow);
            z-index: 999;
            transition: background 0.25s, transform 0.2s;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            background: #d63851;
            transform: scale(1.05);
        }