*,
        *::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: #0f0f1a;
            color: #e0e0e0;
            line-height: 1.75;
            padding: 0;
            margin: 0;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c8a96e;
            text-decoration: none;
            transition: color 0.2s, text-shadow 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #f0d49e;
            text-shadow: 0 0 8px rgba(200, 169, 110, 0.3);
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f5f0e8;
            letter-spacing: 0.02em;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            background: #c8a96e;
            color: #0f0f1a;
            padding: 0.5rem 1.2rem;
            border-radius: 0 0 6px 6px;
            z-index: 10000;
            font-weight: 600;
            transition: top 0.2s;
        }
        .skip-link:focus {
            top: 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #141428, #1a1a2e);
            border-bottom: 2px solid #2a2a4a;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 900;
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #c8a96e, #f0d49e, #c8a96e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.04em;
            text-shadow: 0 0 40px rgba(200, 169, 110, 0.15);
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #8888aa;
            color: #8888aa;
            font-weight: 400;
            letter-spacing: 0.1em;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c0c0d0;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: rgba(200, 169, 110, 0.15);
            color: #f0d49e;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.7rem;
            color: #c8a96e;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: color 0.2s;
        }
        .hamburger:hover {
            color: #f0d49e;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.3rem;
            font-size: 0.85rem;
            color: #8888aa;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #55557a;
            font-size: 1.2rem;
            line-height: 1;
            margin-right: 0.3rem;
        }
        .breadcrumb a {
            color: #a8a8c8;
        }
        .breadcrumb a:hover {
            color: #c8a96e;
        }
        .breadcrumb .current {
            color: #c8a96e;
            font-weight: 500;
        }
        .hero {
            padding: 2.5rem 0 1.8rem;
            text-align: center;
        }
        .hero h1 {
            font-size: clamp(2rem, 6vw, 3.6rem);
            font-weight: 800;
            background: linear-gradient(135deg, #f5e8d0, #c8a96e, #f0d49e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.8rem;
        }
        .hero p {
            font-size: 1.1rem;
            color: #b0b0c8;
            max-width: 800px;
            margin: 0 auto 1.2rem;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: #8888aa;
        }
        .hero-meta i {
            margin-right: 0.4rem;
            color: #c8a96e;
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 1.5rem 0 2.5rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 110px;
            align-self: start;
        }
        article h2 {
            font-size: 1.9rem;
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 2px solid #2a2a4a;
            color: #f0d49e;
        }
        article h3 {
            font-size: 1.4rem;
            margin: 1.8rem 0 0.8rem;
            color: #d0c0a0;
        }
        article h4 {
            font-size: 1.15rem;
            margin: 1.4rem 0 0.6rem;
            color: #c0b090;
        }
        article p {
            margin-bottom: 1.1rem;
            color: #d5d5e0;
        }
        article ul,
        article ol {
            margin-bottom: 1.2rem;
            color: #d0d0dd;
        }
        article li {
            margin-bottom: 0.4rem;
        }
        .feature-img {
            border-radius: 16px;
            margin: 1.8rem 0;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.7);
            border: 1px solid #2a2a4a;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-img:hover {
            transform: scale(1.005);
            box-shadow: 0 12px 50px rgba(200, 169, 110, 0.1);
        }
        .highlight-box {
            background: rgba(200, 169, 110, 0.06);
            border-left: 4px solid #c8a96e;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .stat-badge {
            display: inline-block;
            background: #1e1e3a;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #c8a96e;
            border: 1px solid #2a2a4a;
        }
        .sidebar-card {
            background: #16162a;
            border-radius: 16px;
            padding: 1.2rem 1.4rem;
            margin-bottom: 1.5rem;
            border: 1px solid #2a2a4a;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            color: #f0d49e;
            margin-bottom: 0.8rem;
            border-bottom: 1px solid #2a2a4a;
            padding-bottom: 0.5rem;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
        }
        .sidebar-link-list li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #1e1e3a;
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .sidebar-link-list a i {
            width: 1.2rem;
            color: #c8a96e;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin-top: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.6rem 1rem;
            border-radius: 30px;
            border: 1px solid #2a2a4a;
            background: #0f0f1a;
            color: #e0e0e0;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.25s, box-shadow 0.25s;
        }
        .search-form input:focus {
            border-color: #c8a96e;
            box-shadow: 0 0 0 3px rgba(200, 169, 110, 0.15);
        }
        .search-form button {
            padding: 0.6rem 1.2rem;
            border-radius: 30px;
            border: none;
            background: #c8a96e;
            color: #0f0f1a;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #f0d49e;
            transform: scale(1.03);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .interact-card {
            background: #16162a;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            border: 1px solid #2a2a4a;
        }
        .interact-card h3 {
            font-size: 1.2rem;
            color: #f0d49e;
            margin-bottom: 1rem;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            padding: 0.6rem 1rem;
            border-radius: 10px;
            border: 1px solid #2a2a4a;
            background: #0f0f1a;
            color: #e0e0e0;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.25s;
            font-family: inherit;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: #c8a96e;
        }
        .interact-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interact-card button {
            padding: 0.6rem 1.5rem;
            border-radius: 30px;
            border: none;
            background: #c8a96e;
            color: #0f0f1a;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            align-self: flex-start;
        }
        .interact-card button:hover {
            background: #f0d49e;
            transform: scale(1.03);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #3a3a5a;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f0d49e;
            transform: scale(1.1);
        }
        .site-footer {
            background: #0a0a18;
            border-top: 2px solid #1e1e3a;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-col h4 {
            color: #c8a96e;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.9rem;
            color: #8888aa;
        }
        .footer-col a:hover {
            color: #c8a96e;
        }
        friend-link {
            display: block;
            padding: 0.5rem 0;
        }
        friend-link a {
            color: #a8a8c8;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            color: #f0d49e;
        }
        .copyright {
            text-align: center;
            padding-top: 1.8rem;
            margin-top: 1.8rem;
            border-top: 1px solid #1a1a30;
            font-size: 0.85rem;
            color: #55557a;
        }
        .copyright strong {
            color: #8888aa;
        }
        @media (max-width: 992px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #141428;
                padding: 0.8rem 0;
                border-radius: 12px;
                margin-top: 0.4rem;
                border: 1px solid #2a2a4a;
            }
            #nav-toggle:checked~.main-nav {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1.2rem;
                border-radius: 0;
            }
            .header-inner {
                position: relative;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                width: 100%;
            }
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-meta {
                flex-direction: column;
                gap: 0.4rem;
                align-items: center;
            }
            article h2 {
                font-size: 1.5rem;
            }
            article h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .interact-card {
                padding: 1rem 1.2rem;
            }
        }
        @media print {
            .site-header,
            .sidebar,
            .interact-grid,
            .site-footer {
                display: none !important;
            }
            body {
                background: #fff;
                color: #000;
            }
            .content-layout {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                -webkit-text-fill-color: #000;
                color: #000;
                background: none;
            }
            a {
                color: #000 !important;
                text-decoration: underline;
            }
        }