* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #0a1428;
            --secondary: #1e2a4a;
            --accent: #f0c040;
            --accent2: #c8a84e;
            --text: #e8e8e8;
            --text2: #a0b0c8;
            --bg-card: #111d33;
            --bg-body: #0b0f1a;
            --border: #2a3a5a;
            --gold: #f0c040;
            --rank-iron: #4a4a4a;
            --rank-bronze: #8a5a3a;
            --rank-silver: #8a9aaa;
            --rank-gold: #f0c040;
            --rank-platinum: #40b0a0;
            --rank-emerald: #30a050;
            --rank-diamond: #4080f0;
            --rank-master: #a040e0;
            --rank-grandmaster: #e04040;
            --rank-challenger: #f0c040;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-body);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ffd866;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            border-bottom: 2px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 10px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: var(--accent2);
        }
        .my-logo span {
            font-size: 0.7rem;
            color: var(--text2);
            display: block;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
        }
        .hamburger:hover {
            background: var(--secondary);
        }
        nav#main-nav ul {
            display: flex;
            list-style: none;
            gap: 18px;
            flex-wrap: wrap;
        }
        nav#main-nav a {
            color: var(--text2);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        nav#main-nav a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb {
            background: var(--secondary);
            padding: 8px 0;
            font-size: 0.8rem;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: var(--text2);
        }
        .breadcrumb a {
            color: var(--text2);
        }
        .breadcrumb .active {
            color: var(--accent);
        }
        .hero {
            background: linear-gradient(145deg, var(--primary) 0%, var(--secondary) 100%);
            padding: 50px 0 40px;
            text-align: center;
            border-bottom: 2px solid var(--border);
        }
        .hero h1 {
            font-size: 2.4rem;
            color: var(--accent);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .hero p {
            font-size: 1.1rem;
            color: var(--text2);
            max-width: 750px;
            margin: 0 auto;
        }
        .hero .meta {
            margin-top: 16px;
            font-size: 0.85rem;
            color: var(--text2);
        }
        .hero .meta i {
            margin-right: 6px;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 900px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        .main-content h2 {
            font-size: 1.8rem;
            color: var(--accent);
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border);
        }
        .main-content h3 {
            font-size: 1.3rem;
            color: var(--accent2);
            margin: 32px 0 12px;
        }
        .main-content h4 {
            font-size: 1.05rem;
            color: var(--text);
            margin: 20px 0 8px;
            font-weight: 600;
        }
        .main-content p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 20px 24px;
            color: var(--text);
        }
        .main-content li {
            margin-bottom: 6px;
        }
        .main-content .highlight-box {
            background: var(--bg-card);
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 4px;
        }
        .main-content .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .main-content .stat-card {
            background: var(--bg-card);
            padding: 16px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border);
            transition: transform 0.2s;
        }
        .main-content .stat-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent2);
        }
        .stat-card .rank-icon {
            font-size: 1.8rem;
            margin-bottom: 6px;
        }
        .stat-card .rank-name {
            font-weight: 700;
            font-size: 1.1rem;
        }
        .stat-card .percent {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent);
        }
        .stat-card .label {
            font-size: 0.8rem;
            color: var(--text2);
        }
        .featured-image {
            margin: 24px 0;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--bg-card);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-image .caption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--text2);
            font-style: italic;
        }
        .interview-block {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 24px;
            margin: 24px 0;
            border: 1px solid var(--border);
        }
        .interview-block .quote {
            font-size: 1.1rem;
            font-style: italic;
            color: var(--accent2);
            border-left: 3px solid var(--accent);
            padding-left: 16px;
            margin: 12px 0;
        }
        .sidebar {
            position: sticky;
            top: 80px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: 10px;
            padding: 20px;
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            color: var(--accent);
            margin-bottom: 12px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            margin-bottom: 8px;
        }
        .sidebar-card a {
            color: var(--text2);
            font-size: 0.9rem;
        }
        .sidebar-card a:hover {
            color: var(--accent);
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--primary);
            color: var(--text);
            font-size: 0.9rem;
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--accent);
        }
        .search-form button {
            padding: 10px 18px;
            background: var(--accent);
            border: none;
            border-radius: 6px;
            color: var(--primary);
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-form button:hover {
            background: var(--accent2);
        }
        .feedback-section {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 28px;
            margin: 40px 0;
            border: 1px solid var(--border);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-form label {
            display: block;
            margin-bottom: 4px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text2);
        }
        .feedback-form input,
        .feedback-form textarea {
            width: 100%;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--primary);
            color: var(--text);
            font-size: 0.9rem;
            margin-bottom: 14px;
            font-family: inherit;
        }
        .feedback-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-form input:focus,
        .feedback-form textarea:focus {
            outline: none;
            border-color: var(--accent);
        }
        .feedback-form button {
            padding: 10px 28px;
            background: var(--accent);
            border: none;
            border-radius: 6px;
            color: var(--primary);
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .feedback-form button:hover {
            background: var(--accent2);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin-bottom: 14px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: var(--border);
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: var(--accent);
        }
        footer {
            background: var(--primary);
            border-top: 2px solid var(--border);
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        footer h4 {
            color: var(--accent);
            margin-bottom: 12px;
            font-size: 1rem;
        }
        footer a {
            color: var(--text2);
            font-size: 0.9rem;
        }
        footer a:hover {
            color: var(--accent);
        }
        footer ul {
            list-style: none;
        }
        footer li {
            margin-bottom: 6px;
        }
        friend-link {
            display: block;
            padding: 16px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            margin-bottom: 16px;
            font-size: 0.9rem;
            color: var(--text2);
        }
        friend-link a {
            color: var(--text2);
            margin: 0 10px 0 4px;
        }
        friend-link a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            font-size: 0.8rem;
            color: var(--text2);
            padding-top: 16px;
        }
        .copyright p {
            margin-bottom: 4px;
        }
        @media (max-width: 700px) {
            .hamburger {
                display: block;
            }
            nav#main-nav {
                display: none;
                width: 100%;
                margin-top: 10px;
            }
            nav#main-nav.show {
                display: block;
            }
            nav#main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            nav#main-nav a {
                display: block;
                padding: 10px 0;
                border-bottom: 1px solid var(--border);
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .main-content h2 {
                font-size: 1.4rem;
            }
            .main-content h3 {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 30px 0;
            }
            .hero h1 {
                font-size: 1.3rem;
            }
            .feedback-section {
                padding: 16px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text2);
        }
        .rank-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.9rem;
        }
        .rank-table th,
        .rank-table td {
            padding: 10px 14px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        .rank-table th {
            background: var(--secondary);
            color: var(--accent);
            font-weight: 600;
        }
        .rank-table tr:hover {
            background: var(--bg-card);
        }
        .rank-table .rank-color {
            display: inline-block;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            margin-right: 8px;
        }