*,
        *::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', sans-serif;
            background: #f5f7fa;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 24px 24px 0 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            padding: 20px 24px 40px;
        }
        header {
            padding: 18px 0 10px;
            border-bottom: 2px solid #e9edf2;
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #dc2626, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f59e0b;
            font-size: 2rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: initial;
            color: #64748b;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            cursor: pointer;
            color: #1e293b;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f1f5f9;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            list-style: none;
            align-items: center;
        }
        .nav-menu li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            color: #334155;
        }
        .nav-menu li a:hover {
            background: #eef2ff;
            color: #1d4ed8;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 5px;
            font-size: 0.9rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 14px;
            font-size: 0.85rem;
            padding: 12px 0 6px;
            color: #64748b;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 14px;
            color: #94a3b8;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb a:hover {
            color: #1d4ed8;
        }
        .breadcrumb .current {
            color: #0f172a;
            font-weight: 600;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 28px 0 12px;
            background: linear-gradient(135deg, #1e293b, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 40px 0 14px;
            padding-bottom: 6px;
            border-bottom: 3px solid #e9edf2;
            color: #0f172a;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 28px 0 10px;
            color: #1e293b;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 20px 0 8px;
            color: #334155;
        }
        p {
            margin-bottom: 18px;
            color: #334155;
        }
        .last-updated {
            display: inline-block;
            background: #f1f5f9;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #475569;
            margin: 4px 0 20px;
        }
        .last-updated i {
            margin-right: 6px;
        }
        .feature-img {
            margin: 24px 0 28px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: #f8fafc;
            border-left: 4px solid #f59e0b;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .btn {
            display: inline-block;
            background: #2563eb;
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            transition: background 0.25s, transform 0.15s;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
        }
        .btn:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
            text-decoration: none;
            color: #fff;
        }
        .btn i {
            margin-right: 8px;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 12px;
            margin: 20px 0 28px;
        }
        .link-grid a {
            background: #f8fafc;
            padding: 12px 18px;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            font-weight: 500;
            transition: background 0.2s, border-color 0.2s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-grid a:hover {
            background: #eef2ff;
            border-color: #2563eb;
            text-decoration: none;
        }
        .link-grid a i {
            color: #f59e0b;
            font-size: 1.1rem;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0 28px;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #f1f5f9;
            font-weight: 700;
            color: #0f172a;
        }
        tr:hover td {
            background: #f8fafc;
        }
        blockquote {
            background: #f1f5f9;
            padding: 18px 24px;
            border-radius: 12px;
            margin: 24px 0;
            font-style: italic;
            border-left: 4px solid #3b82f6;
            color: #1e293b;
        }
        blockquote footer {
            margin-top: 8px;
            font-style: normal;
            font-weight: 600;
            color: #475569;
        }
        .comment-form,
        .score-form,
        .search-form {
            background: #f8fafc;
            padding: 24px 28px;
            border-radius: 16px;
            margin: 28px 0;
            border: 1px solid #e2e8f0;
        }
        .comment-form label,
        .score-form label,
        .search-form label {
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
            color: #0f172a;
        }
        .comment-form input,
        .comment-form textarea,
        .score-form input,
        .score-form select,
        .search-form input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #cbd5e1;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            margin-bottom: 14px;
            transition: border 0.2s;
            background: #fff;
        }
        .comment-form input:focus,
        .comment-form textarea:focus,
        .score-form input:focus,
        .score-form select:focus,
        .search-form input:focus {
            outline: none;
            border-color: #2563eb;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .score-form .star-group {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            margin-bottom: 14px;
            color: #d1d5db;
            cursor: pointer;
        }
        .score-form .star-group i.active {
            color: #f59e0b;
        }
        footer {
            background: #0f172a;
            color: #cbd5e1;
            border-radius: 0 0 24px 24px;
            padding: 32px 24px 20px;
            margin-top: 0;
        }
        footer a {
            color: #93c5fd;
        }
        footer a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            margin: 16px 0 20px;
            padding: 14px 18px;
            background: #1e293b;
            border-radius: 12px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #334155;
            text-decoration: none;
        }
        .copyright {
            border-top: 1px solid #334155;
            padding-top: 18px;
            margin-top: 12px;
            font-size: 0.85rem;
            text-align: center;
            color: #94a3b8;
        }
        .copyright strong {
            color: #e2e8f0;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 14px 30px;
                border-radius: 16px 16px 0 0;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 12px 0 4px;
                gap: 2px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 10px 12px;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .breadcrumb {
                font-size: 0.78rem;
                gap: 4px 10px;
            }
            .breadcrumb li+li::before {
                margin-right: 10px;
            }
            .link-grid {
                grid-template-columns: 1fr;
            }
            table {
                font-size: 0.85rem;
            }
            th,
            td {
                padding: 8px 10px;
            }
            .comment-form,
            .score-form,
            .search-form {
                padding: 18px 16px;
            }
            footer {
                padding: 24px 16px 16px;
            }
            friend-link a {
                display: block;
                margin: 6px 0;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-10 {
            margin-bottom: 10px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .rating-stars i {
            color: #f59e0b;
            margin-right: 2px;
        }