        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f4f7fb;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #d97706;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #b45309;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fbbf24;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
            color: #fbbf24;
        }
        .my-logo i {
            font-size: 2rem;
            color: #f97316;
        }
        .my-logo span {
            font-size: 0.75rem;
            font-weight: 400;
            color: #94a3b8;
            display: block;
            line-height: 1.2;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.1rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            display: block;
            padding: 0.5rem 1rem;
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.9rem;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: rgba(251, 191, 36, 0.15);
            color: #fbbf24;
            text-decoration: none;
        }
        .nav-list li a.active {
            background: rgba(251, 191, 36, 0.2);
            color: #fbbf24;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #fbbf24;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-mobile {
            display: none;
            width: 100%;
            background: #0f172a;
            border-radius: 12px;
            padding: 1rem 0.5rem;
            margin-top: 0.5rem;
            border: 1px solid rgba(251, 191, 36, 0.15);
        }
        .nav-mobile.open {
            display: block;
        }
        .nav-mobile ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-mobile ul li a {
            display: block;
            padding: 0.7rem 1rem;
            color: #e2e8f0;
            font-weight: 500;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-mobile ul li a:hover {
            background: rgba(251, 191, 36, 0.1);
            color: #fbbf24;
            text-decoration: none;
        }
        .breadcrumb {
            background: #ffffff;
            padding: 0.6rem 0;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.4rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb a:hover {
            color: #d97706;
        }
        .breadcrumb .current {
            color: #1e293b;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #1e293b 0%, #0f172a 100%);
            padding: 3rem 0 2.5rem;
            color: #f8fafc;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "🎮";
            position: absolute;
            right: -20px;
            bottom: -20px;
            font-size: 12rem;
            opacity: 0.06;
            pointer-events: none;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.5rem;
            background: linear-gradient(135deg, #fbbf24, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.2rem;
            color: #cbd5e1;
            max-width: 700px;
            margin: 0 auto 1.5rem;
        }
        .hero .meta-badge {
            display: inline-flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(6px);
            padding: 0.6rem 1.8rem;
            border-radius: 60px;
            font-size: 0.9rem;
            color: #e2e8f0;
            border: 1px solid rgba(251, 191, 36, 0.15);
        }
        .hero .meta-badge i {
            color: #fbbf24;
            margin-right: 0.3rem;
        }
        .main-content {
            background: #ffffff;
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            color: #0f172a;
            border-left: 5px solid #f97316;
            padding-left: 1rem;
        }
        .content-body h2:first-of-type {
            margin-top: 0;
        }
        .content-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.7rem;
            color: #1e293b;
        }
        .content-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.4rem;
            color: #334155;
        }
        .content-body p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #334155;
        }
        .content-body .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f59e0b;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .content-body .highlight-box strong {
            color: #b45309;
        }
        .content-body ul,
        .content-body ol {
            margin-bottom: 1.5rem;
        }
        .content-body li {
            margin-bottom: 0.6rem;
        }
        .content-body .tip-card {
            background: #f0f9ff;
            border-radius: 16px;
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
            border: 1px solid #bae6fd;
        }
        .content-body .tip-card i {
            color: #0284c7;
            margin-right: 0.5rem;
        }
        .sidebar {
            background: #f8fafc;
            border-radius: 20px;
            padding: 1.8rem 1.5rem;
            border: 1px solid #e2e8f0;
            position: sticky;
            top: 100px;
            align-self: start;
            max-height: calc(100vh - 120px);
            overflow-y: auto;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 1rem;
            border-bottom: 2px solid #fbbf24;
            padding-bottom: 0.5rem;
        }
        .sidebar .link-item {
            padding: 0.5rem 0;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.95rem;
        }
        .sidebar .link-item a {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: #1e293b;
        }
        .sidebar .link-item a:hover {
            color: #d97706;
        }
        .sidebar .link-item a i {
            color: #f97316;
            width: 1.2rem;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            background: #f1f5f9;
            padding: 0.7rem 1rem;
            font-size: 0.9rem;
            color: #475569;
            text-align: center;
            font-style: italic;
        }
        .search-section {
            background: #f1f5f9;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            border: 1px solid #e2e8f0;
        }
        .search-section form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #cbd5e1;
            border-radius: 60px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-section input[type="text"]:focus {
            border-color: #f97316;
        }
        .search-section button {
            background: #f97316;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-section button:hover {
            background: #ea580c;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #ffffff;
            border: 1px solid #e2e8f0;
            border-radius: 20px;
            padding: 1.8rem 1.8rem 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 0.3rem;
        }
        .feedback-card .sub {
            color: #64748b;
            font-size: 0.9rem;
            margin-bottom: 1.2rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-card textarea,
        .feedback-card input[type="text"],
        .feedback-card input[type="number"],
        .feedback-card select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.2s;
            background: #fafcff;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus,
        .feedback-card select:focus {
            border-color: #f97316;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .star-select {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #fbbf24;
            cursor: pointer;
        }
        .feedback-card .star-select i {
            transition: transform 0.15s;
        }
        .feedback-card .star-select i:hover {
            transform: scale(1.2);
        }
        .feedback-card button {
            background: #0f172a;
            color: #fff;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card button:hover {
            background: #1e293b;
            transform: scale(1.02);
        }
        .feedback-card .note {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-top: 0.3rem;
        }
        friend-link {
            display: block;
            background: #ffffff;
            border-top: 2px solid #e2e8f0;
            padding: 1.8rem 0 1.2rem;
            margin-top: 2rem;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.8rem;
            align-items: center;
        }
        friend-link .label {
            font-weight: 700;
            color: #0f172a;
            font-size: 0.95rem;
            margin-right: 0.5rem;
        }
        friend-link a {
            color: #1e293b;
            font-size: 0.9rem;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: #fef3c7;
            color: #b45309;
            text-decoration: none;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .site-footer .copyright {
            color: #94a3b8;
            font-size: 0.85rem;
        }
        .site-footer .copyright strong {
            color: #fbbf24;
        }
        .site-footer .footer-links a {
            color: #94a3b8;
            margin-left: 1.2rem;
            font-size: 0.85rem;
        }
        .site-footer .footer-links a:hover {
            color: #fbbf24;
        }
        .last-updated {
            display: inline-block;
            background: #f1f5f9;
            padding: 0.3rem 1rem;
            border-radius: 60px;
            font-size: 0.8rem;
            color: #475569;
            margin-bottom: 1.5rem;
        }
        .last-updated i {
            margin-right: 0.3rem;
            color: #f97316;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                max-height: none;
                margin-top: 2rem;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-list {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo span {
                font-size: 0.65rem;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section button {
                justify-content: center;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-links a {
                margin: 0 0.6rem;
            }
            friend-link .container {
                justify-content: center;
            }
            .content-body h2 {
                font-size: 1.5rem;
            }
            .content-body h3 {
                font-size: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 1rem;
            }
            .hero {
                padding: 2rem 0 1.5rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero .meta-badge {
                font-size: 0.75rem;
                padding: 0.4rem 1rem;
                gap: 0.8rem;
            }
            .content-body p {
                font-size: 0.98rem;
            }
            .feedback-card {
                padding: 1.2rem;
            }
            .sidebar {
                padding: 1.2rem;
            }
        }
        .btn-icon {
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1.2rem;
            color: #f97316;
            transition: transform 0.15s;
        }
        .btn-icon:hover {
            transform: scale(1.1);
        }
        ::selection {
            background: #fbbf24;
            color: #0f172a;
        }
        .scroll-top {
            position: fixed;
            bottom: 1.8rem;
            right: 1.8rem;
            background: #0f172a;
            color: #fbbf24;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.2s, opacity 0.2s;
            opacity: 0.7;
            border: none;
            cursor: pointer;
            z-index: 999;
        }
        .scroll-top:hover {
            transform: scale(1.08);
            opacity: 1;
        }
        @media (max-width: 480px) {
            .scroll-top {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                bottom: 1rem;
                right: 1rem;
            }
        }
