*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #d4380d;
            --primary-dark: #b7320a;
            --secondary: #f5a623;
            --accent: #f7c948;
            --bg: #fef9f0;
            --bg-card: #ffffff;
            --text: #1e1e1e;
            --text-light: #555;
            --text-white: #fff;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 16px;
            --radius-sm: 8px;
            --transition: 0.3s ease;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 70px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a0a00 0%, #2d1300 100%);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            height: var(--header-h);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity var(--transition);
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            color: var(--accent);
        }
        .my-logo span {
            color: var(--text-white);
            font-weight: 300;
        }
        .my-logo .highlight {
            color: var(--secondary);
            font-weight: 700;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        nav a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: width var(--transition);
        }
        nav a:hover {
            color: var(--accent);
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
            z-index: 1100;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }
        .breadcrumb-wrap {
            background: #f5ede4;
            border-bottom: 1px solid #e8ddd0;
            padding: 12px 0;
            font-size: 0.85rem;
        }
        .breadcrumb-wrap .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb-wrap a {
            color: var(--text-light);
        }
        .breadcrumb-wrap a:hover {
            color: var(--primary);
        }
        .breadcrumb-wrap span {
            color: var(--text-light);
        }
        .breadcrumb-wrap .current {
            color: var(--primary);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1f0d00 0%, #3d1c00 50%, #5a2d0a 100%);
            padding: 60px 0 50px;
            text-align: center;
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: "🎯";
            position: absolute;
            top: -20px;
            left: -20px;
            font-size: 200px;
            opacity: 0.06;
            transform: rotate(-15deg);
        }
        .hero::after {
            content: "🃏";
            position: absolute;
            bottom: -30px;
            right: -10px;
            font-size: 180px;
            opacity: 0.06;
            transform: rotate(10deg);
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            letter-spacing: 1px;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .hero h1 span {
            color: var(--secondary);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.9;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }
        .hero .stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .hero .stats div {
            text-align: center;
        }
        .hero .stats strong {
            font-size: 2rem;
            color: var(--accent);
            display: block;
        }
        .hero .stats span {
            font-size: 0.9rem;
            opacity: 0.75;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        main {
            padding: 50px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-h) + 30px);
            align-self: start;
        }
        section {
            margin-bottom: 48px;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 36px;
            box-shadow: var(--shadow);
            border: 1px solid #f0e8dd;
        }
        h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            color: #1a0a00;
        }
        h2 {
            font-size: 1.9rem;
            color: #2d1300;
            border-left: 5px solid var(--secondary);
            padding-left: 18px;
            margin: 32px 0 18px;
            line-height: 1.3;
        }
        h3 {
            font-size: 1.4rem;
            color: #3d1c00;
            margin: 26px 0 14px;
            line-height: 1.4;
        }
        h4 {
            font-size: 1.15rem;
            color: #4a2a10;
            margin: 20px 0 10px;
            font-weight: 600;
        }
        p {
            margin-bottom: 18px;
            color: var(--text);
        }
        .lead {
            font-size: 1.15rem;
            color: var(--text-light);
            font-weight: 400;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .highlight-box {
            background: #fdf6ed;
            border-left: 4px solid var(--secondary);
            padding: 18px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
        }
        .highlight-box strong {
            color: var(--primary-dark);
        }
        .feature-img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
            width: 100%;
            height: auto;
            object-fit: cover;
            max-height: 450px;
            background: #f0e8dd;
        }
        .link-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            margin: 16px 0 20px;
            padding: 12px 0;
            border-top: 1px dashed #e8ddd0;
            border-bottom: 1px dashed #e8ddd0;
        }
        .link-group a {
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .link-group a i {
            font-size: 0.75rem;
            color: var(--secondary);
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            border: 1px solid #f0e8dd;
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 14px;
            border-left: 4px solid var(--secondary);
            padding-left: 12px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid #f5ede4;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.92rem;
        }
        .sidebar-card ul li a i {
            color: var(--secondary);
            width: 18px;
            text-align: center;
        }
        .interactive-box {
            background: #fdf6ed;
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 30px 0 20px;
            border: 1px solid #f5e4d0;
        }
        .interactive-box form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .interactive-box input,
        .interactive-box textarea,
        .interactive-box select {
            padding: 10px 16px;
            border: 2px solid #e8ddd0;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: var(--font);
            background: #fff;
            transition: border var(--transition);
            flex: 1 1 200px;
        }
        .interactive-box input:focus,
        .interactive-box textarea:focus,
        .interactive-box select:focus {
            outline: none;
            border-color: var(--secondary);
        }
        .interactive-box textarea {
            min-height: 80px;
            width: 100%;
            flex-basis: 100%;
            resize: vertical;
        }
        .interactive-box button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .interactive-box button:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        .interactive-box .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
        }
        .interactive-box .rating-stars i {
            transition: color 0.2s;
        }
        .interactive-box .rating-stars i.active,
        .interactive-box .rating-stars i:hover {
            color: var(--secondary);
        }
        footer {
            background: #1a0a00;
            color: rgba(255, 255, 255, 0.8);
            padding: 40px 0 30px;
            margin-top: 20px;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        footer h4 {
            color: var(--accent);
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        footer a {
            color: rgba(255, 255, 255, 0.7);
        }
        footer a:hover {
            color: var(--secondary);
        }
        footer ul {
            list-style: none;
            padding: 0;
        }
        footer ul li {
            margin-bottom: 8px;
        }
        friend-link {
            display: block;
            grid-column: 1 / -1;
            background: rgba(255, 255, 255, 0.05);
            padding: 18px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        friend-link a {
            margin: 0 12px 0 4px;
            font-weight: 500;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            opacity: 0.7;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar .sidebar-card {
                margin-bottom: 0;
            }
            footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 60px;
            }
            .hamburger {
                display: flex;
            }
            nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #1a0a00;
                flex-direction: column;
                padding: 80px 30px 30px;
                gap: 16px;
                transition: right 0.4s cubic-bezier(0.22, 1, 0.36, 1);
                box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
                z-index: 1050;
            }
            nav.open {
                right: 0;
            }
            nav a {
                font-size: 1.1rem;
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            nav a::after {
                display: none;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero .stats {
                gap: 20px;
            }
            .hero .stats strong {
                font-size: 1.5rem;
            }
            section {
                padding: 22px 18px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .interactive-box form {
                flex-direction: column;
            }
            .interactive-box input,
            .interactive-box textarea,
            .interactive-box select {
                flex-basis: 100%;
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            section {
                padding: 16px 14px;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 12px;
            }
        }
        .author-badge {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            background: #f5ede4;
            border-radius: var(--radius-sm);
            margin: 20px 0;
            font-size: 0.9rem;
        }
        .author-badge i {
            font-size: 2rem;
            color: var(--secondary);
        }
        .last-updated {
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 4px;
        }
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1040;
        }
        .nav-overlay.show {
            display: block;
        }
        @media (max-width: 768px) {
            .nav-overlay.show {
                display: block;
            }
        }
        .schema-hidden {
            display: none;
        }