*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --bg-dark: #1a1a2e;
            --bg-card: #16213e;
            --accent-gold: #f0c040;
            --accent-orange: #e8873a;
            --text-light: #f4f4f9;
            --text-muted: #b0b0c8;
            --text-body: #e0e0ec;
            --border-glow: #f0c04033;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.6);
            --radius: 12px;
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 70px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-body);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus-visible {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #0f0f23cc;
            backdrop-filter: blur(12px);
            border-bottom: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(240, 192, 64, 0.08);
        }
        .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;
            gap: 16px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 20px #f0c04033;
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: var(--accent-gold);
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 24px;
            align-items: center;
        }
        .nav-list a {
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.25s, color 0.25s;
            color: var(--text-muted);
        }
        .nav-list a:hover,
        .nav-list a:focus-visible {
            border-color: var(--accent-gold);
            color: var(--text-light);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.25s;
        }
        .hamburger:hover {
            background: var(--accent-gold);
            color: var(--bg-dark);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #0f0f23aa;
            padding: 10px 0;
            border-bottom: 1px solid #2a2a4a;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 6px 12px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: var(--accent-gold);
            font-weight: 700;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb .active {
            color: var(--accent-gold);
            font-weight: 600;
        }
        main {
            flex: 1;
            padding: 40px 0 60px;
        }
        .hero-img {
            margin-bottom: 32px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            border: 1px solid #f0c04022;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: 12px;
            text-shadow: 0 0 30px #f0c04022;
        }
        .subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            border-left: 4px solid var(--accent-orange);
            padding-left: 18px;
        }
        .last-updated {
            display: inline-block;
            background: #2a2a4a;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 28px;
        }
        .last-updated i {
            margin-right: 6px;
            color: var(--accent-gold);
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 48px 0 18px;
            border-bottom: 2px solid #f0c04022;
            padding-bottom: 8px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--accent-orange);
            margin: 32px 0 12px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-light);
            margin: 20px 0 8px;
        }
        p {
            margin-bottom: 16px;
        }
        .highlight {
            background: linear-gradient(90deg, #f0c04018, #f0c04008);
            padding: 2px 10px;
            border-radius: 4px;
            font-weight: 600;
            color: var(--accent-gold);
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
            margin: 28px 0;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid #2a2a4a;
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-gold);
            box-shadow: 0 12px 40px rgba(240, 192, 64, 0.10);
        }
        .card i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .card h4 {
            margin-top: 0;
        }
        .card p {
            font-size: 0.92rem;
            margin-bottom: 0;
        }
        .tier-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .tier-item {
            background: var(--bg-card);
            padding: 16px 18px;
            border-radius: var(--radius);
            border-left: 6px solid var(--accent-gold);
        }
        .tier-item strong {
            color: var(--accent-gold);
        }
        blockquote {
            background: #1a1a3e;
            border-left: 6px solid var(--accent-orange);
            padding: 20px 24px;
            margin: 28px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
            color: var(--text-muted);
        }
        blockquote cite {
            display: block;
            margin-top: 12px;
            font-style: normal;
            color: var(--accent-gold);
            font-weight: 500;
        }
        .btn {
            display: inline-block;
            background: var(--accent-gold);
            color: #1a1a2e;
            font-weight: 700;
            padding: 10px 28px;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            font-size: 0.95rem;
        }
        .btn:hover {
            background: #ffd966;
            transform: scale(1.02);
            text-decoration: none;
            color: #1a1a2e;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-outline:hover {
            background: var(--accent-gold);
            color: #1a1a2e;
        }
        .form-section {
            background: var(--bg-card);
            border: 1px solid #2a2a4a;
            border-radius: var(--radius);
            padding: 32px 28px;
            margin: 40px 0;
            box-shadow: var(--shadow-card);
        }
        .form-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-light);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid #3a3a5a;
            background: #0f0f23;
            color: var(--text-light);
            font-size: 1rem;
            transition: border-color 0.3s;
            font-family: var(--font-sans);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px #f0c04022;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            justify-content: flex-end;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #4a4a6a;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent-gold);
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        @media (max-width:768px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }
        footer {
            background: #0a0a1a;
            border-top: 2px solid #2a2a4a;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        footer .container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 32px;
        }
        footer h4 {
            color: var(--accent-gold);
            margin-bottom: 12px;
            font-size: 1.05rem;
        }
        friend-link {
            display: block;
            background: #1a1a3e;
            padding: 20px 24px;
            border-radius: var(--radius);
            border: 1px solid #2a2a4a;
            margin: 20px 0;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 12px;
            background: #2a2a4a;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: background 0.25s;
        }
        friend-link a:hover {
            background: var(--accent-gold);
            color: #1a1a2e;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            margin-top: 24px;
            border-top: 1px solid #2a2a4a;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .copyright strong {
            color: var(--accent-gold);
        }
        @media (max-width: 820px) {
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: #0f0f23f2;
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 24px 20px;
                gap: 16px;
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.4s ease, opacity 0.4s ease;
                border-bottom: 2px solid var(--accent-gold);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
                pointer-events: none;
            }
            .nav-list a {
                font-size: 1.1rem;
            }
            #nav-toggle:checked~.nav-list {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .header-inner {
                padding: 0 16px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .tier-list {
                grid-template-columns: 1fr;
            }
            .form-section {
                padding: 20px 16px;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0f0f23;
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent-gold);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #ffd966;
        }
        @media print {
            .hamburger,
            #nav-toggle,
            .form-section {
                display: none !important;
            }
            .nav-list {
                position: static;
                transform: none;
                opacity: 1;
                pointer-events: auto;
                background: transparent;
                flex-direction: row;
                border: none;
                box-shadow: none;
            }
            header {
                position: static;
                backdrop-filter: none;
            }
        }
