*,
        *::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: #f8f9fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            padding: 16px 0;
            border-bottom: 4px solid #f59e0b;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-decoration: none;
            color: #ffffff;
            background: linear-gradient(to right, #f59e0b, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo span {
            font-size: 1.2rem;
            background: #f59e0b;
            color: #0f172a;
            padding: 2px 10px;
            border-radius: 20px;
            -webkit-text-fill-color: #0f172a;
            font-weight: 700;
        }
        .my-logo:hover {
            opacity: .85;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-list li a {
            color: #e2e8f0;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: .9rem;
            font-weight: 500;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .nav-list li a:hover,
        .nav-list li a.active {
            background: #f59e0b;
            color: #0f172a;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: #f59e0b;
            border-radius: 4px;
            transition: .3s;
        }
        .breadcrumb {
            background: #ffffff;
            padding: 12px 0;
            border-bottom: 1px solid #e2e8f0;
            font-size: .85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 6px;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #3b82f6;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #64748b;
        }
        .hero {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 48px 0 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "🧩";
            position: absolute;
            right: -20px;
            bottom: -30px;
            font-size: 200px;
            opacity: .06;
            transform: rotate(-15deg);
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(to right, #f59e0b, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .hero p {
            max-width: 720px;
            margin: 0 auto 24px;
            font-size: 1.15rem;
            color: #cbd5e1;
        }
        .hero .last-updated {
            display: inline-block;
            background: rgba(245, 158, 11, .15);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: .85rem;
            color: #fbbf24;
            border: 1px solid rgba(245, 158, 11, .25);
        }
        .search-wrap {
            max-width: 560px;
            margin: 28px auto 0;
            display: flex;
            gap: 0;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, .3);
        }
        .search-wrap input {
            flex: 1;
            padding: 14px 22px;
            border: none;
            font-size: 1rem;
            outline: none;
            background: #fff;
            color: #1e293b;
        }
        .search-wrap button {
            padding: 14px 28px;
            background: #f59e0b;
            border: none;
            color: #0f172a;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background .25s;
        }
        .search-wrap button:hover {
            background: #f97316;
        }
        .content-area {
            padding: 48px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .main-content h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0f172a;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f59e0b;
            display: inline-block;
        }
        .main-content h2:first-of-type {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1e293b;
            margin: 32px 0 12px;
        }
        .main-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #334155;
            margin: 24px 0 8px;
        }
        .main-content p {
            margin-bottom: 18px;
            color: #334155;
        }
        .main-content ul,
        .main-content ol {
            margin: 0 0 20px 28px;
            color: #334155;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .main-content strong {
            color: #0f172a;
        }
        .main-content em {
            color: #b45309;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f59e0b;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .img-wrap {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, .08);
        }
        .img-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }
        .img-wrap figcaption {
            padding: 12px 20px;
            background: #f1f5f9;
            font-size: .85rem;
            color: #475569;
            text-align: center;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-box {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
            margin-bottom: 28px;
            border: 1px solid #e2e8f0;
        }
        .sidebar-box h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 14px;
            border-bottom: 2px solid #f59e0b;
            padding-bottom: 6px;
        }
        .sidebar-box ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-box ul li {
            margin-bottom: 10px;
        }
        .sidebar-box ul li a {
            color: #3b82f6;
            text-decoration: none;
            font-size: .9rem;
        }
        .sidebar-box ul li a:hover {
            text-decoration: underline;
            color: #f59e0b;
        }
        .interaction-area {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid #e2e8f0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #0f172a;
        }
        .comment-section form,
        .rating-section form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .comment-section input,
        .comment-section textarea,
        .rating-section select {
            padding: 12px 16px;
            border: 1px solid #cbd5e1;
            border-radius: 10px;
            font-size: .95rem;
            font-family: inherit;
            outline: none;
            background: #fff;
            transition: border .25s;
        }
        .comment-section input:focus,
        .comment-section textarea:focus,
        .rating-section select:focus {
            border-color: #f59e0b;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, .15);
        }
        .comment-section textarea {
            resize: vertical;
            min-height: 100px;
        }
        .btn {
            padding: 12px 28px;
            background: #f59e0b;
            color: #0f172a;
            font-weight: 700;
            border: none;
            border-radius: 30px;
            cursor: pointer;
            font-size: 1rem;
            transition: all .25s;
            align-self: flex-start;
        }
        .btn:hover {
            background: #f97316;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, .3);
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .site-footer h4 {
            color: #f59e0b;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .site-footer a {
            color: #94a3b8;
            text-decoration: none;
        }
        .site-footer a:hover {
            color: #f59e0b;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 6px;
        }
        .friend-link {
            display: block;
            padding: 16px 0;
            border-top: 1px solid #1e293b;
            border-bottom: 1px solid #1e293b;
            margin-bottom: 16px;
            font-size: .9rem;
        }
        .friend-link a {
            color: #f59e0b;
            margin: 0 10px 0 4px;
        }
        .friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            font-size: .85rem;
            color: #64748b;
            padding-top: 16px;
            border-top: 1px solid #1e293b;
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media(max-width:768px) {
            .hamburger {
                display: flex;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e293b;
                padding: 16px 0;
                border-radius: 12px;
                margin-top: 12px;
                gap: 4px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                display: block;
                padding: 10px 20px;
                text-align: center;
            }
            .header-inner {
                position: relative;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-wrap {
                flex-direction: column;
                border-radius: 16px;
            }
            .search-wrap button {
                border-radius: 0 0 16px 16px;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .main-content h2 {
                font-size: 1.5rem;
            }
            .main-content h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo span {
                font-size: .9rem;
                padding: 1px 8px;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero {
                padding: 32px 0 28px;
            }
            .breadcrumb {
                font-size: .75rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        ::-webkit-scrollbar-thumb {
            background: #94a3b8;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #64748b;
        }