* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #0d0f1a;
            color: #e8eaf0;
            line-height: 1.7;
            min-height: 100vh;
        }
        a {
            color: #f7d44a;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #ffec8a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.8rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: #f7d44a;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0.5rem;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            border-bottom: 2px solid #2a2d3a;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #f0e6c0;
        }
        h4 {
            font-size: 1.2rem;
            color: #d4c9a8;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        strong {
            color: #f7d44a;
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .badge {
            display: inline-block;
            background: #f7d44a;
            color: #0d0f1a;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .divider {
            height: 2px;
            background: linear-gradient(90deg, transparent, #f7d44a, transparent);
            margin: 2.5rem 0;
            opacity: 0.4;
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        header {
            background: #141724;
            border-bottom: 2px solid #2a2d3a;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 0;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f7d44a, #f5a623);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f7d44a;
            font-size: 2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #8892b0;
            font-weight: 400;
            letter-spacing: 1px;
            display: block;
            margin-top: -4px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }
        nav a {
            color: #c0c7d6;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.2s ease;
            position: relative;
        }
        nav a:hover {
            color: #f7d44a;
            background: #1f2335;
            text-decoration: none;
        }
        nav a.active {
            color: #f7d44a;
            background: #1f2335;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f7d44a;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #1f2335;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.2rem 0;
            font-size: 0.9rem;
            color: #8892b0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: #8892b0;
        }
        .breadcrumb a:hover {
            color: #f7d44a;
        }
        .breadcrumb span {
            color: #f7d44a;
        }
        .breadcrumb .sep {
            color: #3a3f52;
        }
        .hero {
            background: linear-gradient(145deg, #141724, #1a1e2f);
            border-radius: 20px;
            padding: 3rem 2.5rem;
            margin: 1.5rem 0 2.5rem 0;
            border: 1px solid #2a2d3a;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .hero-content h1 {
            margin-top: 0;
        }
        .hero-content p {
            font-size: 1.15rem;
            color: #c0c7d6;
        }
        .hero-image {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
            background: #1f2335;
        }
        .hero-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .hero-image img:hover {
            transform: scale(1.02);
        }
        .search-box {
            display: flex;
            gap: 0.5rem;
            margin: 1.8rem 0 2.5rem 0;
            max-width: 600px;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem 1.2rem;
            border-radius: 40px;
            border: 2px solid #2a2d3a;
            background: #141724;
            color: #e8eaf0;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-box input:focus {
            border-color: #f7d44a;
        }
        .search-box button {
            padding: 0.8rem 1.8rem;
            border-radius: 40px;
            border: none;
            background: #f7d44a;
            color: #0d0f1a;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover {
            background: #ffec8a;
            transform: translateY(-2px);
        }
        .toc {
            background: #141724;
            border: 1px solid #2a2d3a;
            border-radius: 16px;
            padding: 1.8rem 2.2rem;
            margin: 2rem 0 2.5rem 0;
        }
        .toc h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0 0;
            columns: 2;
            column-gap: 2rem;
        }
        .toc li {
            margin-bottom: 0.4rem;
            break-inside: avoid;
        }
        .toc a {
            color: #c0c7d6;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .toc a:hover {
            color: #f7d44a;
        }
        .toc .toc-num {
            color: #f7d44a;
            font-weight: 700;
            font-size: 0.85rem;
            width: 1.8rem;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .feature-card {
            background: #141724;
            border: 1px solid #2a2d3a;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            transition: all 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: #f7d44a;
            box-shadow: 0 12px 30px rgba(247, 212, 74, 0.08);
        }
        .feature-card i {
            font-size: 2.2rem;
            color: #f7d44a;
            margin-bottom: 0.8rem;
        }
        .feature-card h4 {
            margin-top: 0;
            font-size: 1.2rem;
            color: #f0e6c0;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: #a0a8c0;
        }
        .interactive-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .rating-box,
        .comment-box {
            background: #141724;
            border: 1px solid #2a2d3a;
            border-radius: 16px;
            padding: 1.8rem 2rem;
        }
        .rating-box h3,
        .comment-box h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .stars {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            cursor: pointer;
            margin: 1rem 0;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .stars i {
            color: #3a3f52;
            transition: color 0.2s;
        }
        .stars i:hover,
        .stars i:hover~i {
            color: #f7d44a;
        }
        .stars i.active {
            color: #f7d44a;
        }
        .rating-box button,
        .comment-box button {
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            border: none;
            background: #f7d44a;
            color: #0d0f1a;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 0.5rem;
        }
        .rating-box button:hover,
        .comment-box button:hover {
            background: #ffec8a;
            transform: translateY(-2px);
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border-radius: 12px;
            border: 2px solid #2a2d3a;
            background: #0d0f1a;
            color: #e8eaf0;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border 0.3s;
        }
        .comment-box textarea:focus {
            border-color: #f7d44a;
        }
        .comment-box input {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 40px;
            border: 2px solid #2a2d3a;
            background: #0d0f1a;
            color: #e8eaf0;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
            margin-bottom: 0.8rem;
        }
        .comment-box input:focus {
            border-color: #f7d44a;
        }
        .comment-meta {
            color: #8892b0;
            font-size: 0.85rem;
            margin-top: 0.3rem;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: 0.95rem;
        }
        .data-table th {
            background: #1f2335;
            color: #f7d44a;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 700;
            border-bottom: 2px solid #f7d44a;
        }
        .data-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #2a2d3a;
            color: #c0c7d6;
        }
        .data-table tr:hover td {
            background: #1a1e2f;
        }
        .interview-block {
            background: #141724;
            border-left: 4px solid #f7d44a;
            border-radius: 0 16px 16px 0;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            font-style: italic;
        }
        .interview-block strong {
            font-style: normal;
        }
        .interview-block .attribution {
            margin-top: 0.8rem;
            font-style: normal;
            color: #8892b0;
            font-size: 0.9rem;
        }
        footer {
            background: #0b0d16;
            border-top: 2px solid #2a2d3a;
            padding: 2.5rem 0 1.5rem 0;
            margin-top: 3rem;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        footer h4 {
            color: #f7d44a;
            margin-top: 0;
            font-size: 1.1rem;
        }
        footer p,
        footer a {
            color: #8892b0;
            font-size: 0.9rem;
        }
        footer a:hover {
            color: #f7d44a;
        }
        friend-link {
            display: block;
            margin: 1.2rem 0 0.5rem 0;
            padding: 0.8rem 0;
            border-top: 1px solid #1f2335;
            font-size: 0.9rem;
            color: #8892b0;
        }
        friend-link a {
            color: #c0c7d6;
            margin: 0 0.3rem;
        }
        friend-link a:hover {
            color: #f7d44a;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1f2335;
            margin-top: 1.5rem;
            color: #5a5f7a;
            font-size: 0.85rem;
        }
        .copyright strong {
            color: #8892b0;
        }
        .last-updated {
            display: inline-block;
            background: #1f2335;
            padding: 0.2rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #8892b0;
            margin-bottom: 1rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
            color: #f7d44a;
        }
        @media (max-width: 900px) {
            .hero {
                grid-template-columns: 1fr;
                padding: 2rem 1.5rem;
            }
            .interactive-area {
                grid-template-columns: 1fr;
            }
            footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .toc ul {
                columns: 1;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #141724;
                padding: 0.8rem 0 1.2rem 0;
                border-top: 1px solid #2a2d3a;
                margin-top: 0.6rem;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                border-radius: 0;
            }
            #nav-toggle:checked~.nav-links {
                display: flex;
            }
            .header-inner {
                position: relative;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero {
                padding: 1.5rem 1rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box button {
                justify-content: center;
            }
            .stars {
                font-size: 1.6rem;
            }
        }
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }
        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .schema-hidden {
            display: none;
        }