*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #0b0e14;
            color: #e8edf5;
            line-height: 1.7;
            font-size: 16px;
            padding: 0 16px;
        }
        a {
            color: #f7c948;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #ffdd77;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }
        .site-header {
            background: #141a24;
            border-bottom: 2px solid #2a3340;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            background: rgba(20, 26, 36, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f7c948, #f5a623);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 18px rgba(247, 201, 72, 0.15);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #f7c948;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #e8edf5;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #2a3340;
        }
        .primary-nav {
            display: flex;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }
        .primary-nav a {
            color: #c8d0dd;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .primary-nav a:hover {
            color: #f7c948;
            border-bottom-color: #f7c948;
            text-decoration: none;
        }
        .primary-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            padding: 12px 0 4px;
            font-size: 0.85rem;
            color: #8895aa;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #556677;
            font-weight: 700;
            margin-right: 6px;
        }
        .breadcrumb a {
            color: #8895aa;
        }
        .breadcrumb a:hover {
            color: #f7c948;
        }
        .breadcrumb .current {
            color: #e8edf5;
        }
        .hero {
            padding: 40px 0 24px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, #f7c948, #f0a030);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .hero p {
            font-size: 1.15rem;
            color: #aab8cc;
            max-width: 720px;
            margin: 0 auto 20px;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: #77889a;
        }
        .hero-meta span i {
            margin-right: 6px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            padding: 24px 0 48px;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            border-left: 1px solid #2a3340;
            padding-left: 32px;
        }
        .sidebar-section {
            background: #141a24;
            border-radius: 12px;
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid #2a3340;
        }
        .sidebar-section h3 {
            font-size: 1.1rem;
            border-bottom: 2px solid #f7c948;
            padding-bottom: 8px;
            margin-bottom: 16px;
            color: #f7c948;
        }
        .sidebar-section ul {
            list-style: none;
        }
        .sidebar-section li {
            padding: 6px 0;
        }
        .sidebar-section li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.92rem;
        }
        .sidebar-section li a i {
            color: #f7c948;
            font-size: 0.75rem;
        }
        .main-content h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #2a3340;
            color: #f0d080;
        }
        .main-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: #e0c060;
        }
        .main-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: #d0b050;
        }
        .main-content p {
            margin-bottom: 18px;
            color: #d0dae8;
        }
        .main-content strong {
            color: #f7c948;
            font-weight: 600;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 20px 24px;
            color: #c8d4e4;
        }
        .main-content li {
            margin-bottom: 6px;
        }
        .main-content .feature-box {
            background: #141a24;
            border: 1px solid #2a3340;
            border-radius: 12px;
            padding: 24px;
            margin: 24px 0;
            border-left: 4px solid #f7c948;
        }
        .main-content .feature-box h4 {
            margin-top: 0;
        }
        .main-content .img-wrapper {
            margin: 28px 0;
            border-radius: 12px;
            overflow: hidden;
            background: #1a2230;
        }
        .main-content .img-wrapper figcaption {
            padding: 12px 16px;
            font-size: 0.85rem;
            color: #8895aa;
            text-align: center;
            font-style: italic;
        }
        .main-content .img-wrapper img {
            width: 100%;
            object-fit: cover;
        }
        .update-badge {
            display: inline-block;
            background: #1f2a38;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #aab8cc;
            border: 1px solid #2a3340;
        }
        .form-card {
            background: #141a24;
            border: 1px solid #2a3340;
            border-radius: 12px;
            padding: 28px;
            margin: 32px 0;
        }
        .form-card h3 {
            margin-top: 0;
            border-bottom: 2px solid #f7c948;
            padding-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-card label {
            display: block;
            font-weight: 500;
            margin: 16px 0 6px;
            color: #c8d4e4;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 12px 16px;
            background: #1a2230;
            border: 1px solid #2a3340;
            border-radius: 8px;
            color: #e8edf5;
            font-size: 0.95rem;
            transition: border-color 0.2s;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            outline: none;
            border-color: #f7c948;
        }
        .form-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-card .btn {
            background: #f7c948;
            color: #0b0e14;
            font-weight: 700;
            padding: 12px 32px;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            margin-top: 16px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .form-card .btn:hover {
            background: #ffdd66;
            transform: translateY(-1px);
        }
        .form-card .btn:active {
            transform: translateY(0);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            color: #3a4555;
            transition: color 0.2s;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f7c948;
            transform: scale(1.1);
        }
        .star-rating i.selected {
            color: #f7c948;
        }
        .site-footer {
            border-top: 2px solid #2a3340;
            padding: 40px 0 24px;
            margin-top: 32px;
            background: #0f141c;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            font-size: 1.05rem;
            color: #f7c948;
            margin-bottom: 12px;
            border-bottom: 1px solid #2a3340;
            padding-bottom: 8px;
        }
        .footer-grid ul {
            list-style: none;
        }
        .footer-grid li {
            padding: 4px 0;
        }
        .footer-grid li a {
            font-size: 0.9rem;
            color: #aab8cc;
        }
        .footer-grid li a:hover {
            color: #f7c948;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid #1f2a38;
            color: #667788;
            font-size: 0.85rem;
        }
        .footer-bottom p {
            margin: 4px 0;
        }
        friend-link {
            display: block;
            margin: 16px 0;
            padding: 16px 20px;
            background: #141a24;
            border-radius: 10px;
            border: 1px solid #2a3340;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 0;
            color: #aab8cc;
        }
        friend-link a:hover {
            color: #f7c948;
        }
        friend-link::before {
            content: "🔗 Friends";
            display: block;
            font-weight: 700;
            color: #f7c948;
            margin-bottom: 8px;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sidebar {
                border-left: none;
                padding-left: 0;
                order: 2;
            }
            .sidebar-section {
                padding: 16px;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding: 16px 0 8px;
                border-top: 1px solid #2a3340;
                margin-top: 12px;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 10px 0;
                border-bottom: none;
                width: 100%;
            }
            .primary-nav a i {
                width: 24px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .main-content h2 {
                font-size: 1.5rem;
            }
            .main-content h3 {
                font-size: 1.2rem;
            }
            .form-card {
                padding: 16px;
            }
            .star-rating {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 0 6px;
            }
            .hero {
                padding: 24px 0 16px;
            }
            .hero h1 {
                font-size: 1.35rem;
            }
            .hero-meta {
                gap: 12px;
                font-size: 0.8rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .main-content h2 {
                font-size: 1.3rem;
            }
            .main-content h3 {
                font-size: 1.05rem;
            }
            .main-content .feature-box {
                padding: 16px;
            }
        }
        .toc {
            background: #141a24;
            border: 1px solid #2a3340;
            border-radius: 12px;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ol {
            margin: 8px 0 0 20px;
            columns: 2;
            column-gap: 32px;
        }
        .toc li {
            margin-bottom: 4px;
            break-inside: avoid;
        }
        .toc a {
            color: #c8d4e4;
        }
        .toc a:hover {
            color: #f7c948;
        }
        @media (max-width: 600px) {
            .toc ol {
                columns: 1;
            }
        }
        .highlight {
            background: #1f2a38;
            padding: 2px 8px;
            border-radius: 4px;
            color: #f7c948;
        }
        .divider {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, #2a3340, transparent);
            margin: 40px 0;
        }