*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #0b0b1a;
            color: #e0e0f0;
            line-height: 1.7;
            font-size: 1.05rem;
            padding: 0 1rem;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #b388ff;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #dab6ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.6rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f0e6ff;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0.4rem;
            background: linear-gradient(135deg, #dab6ff, #b388ff, #7c4dff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2rem;
            border-left: 6px solid #b388ff;
            padding-left: 1rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #d4c4ff;
            margin-top: 2.2rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #c4b0ff;
            margin-top: 1.6rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        strong,
        b {
            color: #fff;
            font-weight: 700;
        }
        em {
            color: #d4c4ff;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 0.5rem;
            flex: 1;
        }
        header {
            padding: 1.2rem 0 0.6rem;
            border-bottom: 2px solid #2a1f4a;
            margin-bottom: 1.2rem;
        }
        .header-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem 1.5rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #dab6ff, #7c4dff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-block;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #a89cc0;
            color: #a89cc0;
            display: block;
            letter-spacing: 0.2px;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .main-nav a {
            padding: 0.4rem 0.2rem;
            font-weight: 500;
            color: #c4b0ff;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
            font-size: 0.98rem;
        }
        .main-nav a:hover {
            border-bottom-color: #b388ff;
            color: #f0e6ff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #dab6ff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            font-size: 0.9rem;
            color: #8a7aaa;
            padding: 0.6rem 0 0.2rem;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #5a4a7a;
        }
        .breadcrumb a {
            color: #8a7aaa;
        }
        .breadcrumb a:hover {
            color: #dab6ff;
        }
        .breadcrumb .current {
            color: #d4c4ff;
        }
        .search-form {
            display: flex;
            gap: 0.4rem;
            max-width: 480px;
            margin: 1.8rem 0 1.2rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 160px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #2a1f4a;
            border-radius: 40px;
            background: #12102a;
            color: #e0e0f0;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: #b388ff;
        }
        .search-form button {
            padding: 0.7rem 1.6rem;
            border: none;
            border-radius: 40px;
            background: linear-gradient(135deg, #7c4dff, #b388ff);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .search-form button:hover {
            transform: scale(1.03);
            box-shadow: 0 0 20px rgba(124, 77, 255, 0.4);
        }
        .feature-img {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
        }
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.6rem;
            margin: 2rem 0;
        }
        .info-card {
            background: #14102e;
            border-radius: 16px;
            padding: 1.6rem 1.4rem;
            border: 1px solid #2a1f4a;
            transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
        }
        .info-card:hover {
            transform: translateY(-4px);
            border-color: #b388ff;
            box-shadow: 0 8px 30px rgba(124, 77, 255, 0.2);
        }
        .info-card i {
            font-size: 2rem;
            color: #b388ff;
            margin-bottom: 0.6rem;
        }
        .info-card h3 {
            margin-top: 0.2rem;
            margin-bottom: 0.4rem;
            font-size: 1.3rem;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            padding: 0.6rem 0;
            list-style: none;
        }
        .link-list li a {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            background: #1a1638;
            border-radius: 30px;
            border: 1px solid #2a1f4a;
            font-size: 0.95rem;
            transition: background 0.2s, border-color 0.2s;
        }
        .link-list li a:hover {
            background: #2a1f4a;
            border-color: #b388ff;
            text-decoration: none;
        }
        .interact-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0;
            padding: 1.8rem 0;
            border-top: 2px solid #2a1f4a;
            border-bottom: 2px solid #2a1f4a;
        }
        .interact-card {
            background: #14102e;
            border-radius: 16px;
            padding: 1.6rem;
            border: 1px solid #2a1f4a;
        }
        .interact-card h3 {
            margin-top: 0;
            font-size: 1.4rem;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .interact-card input,
        .interact-card textarea {
            padding: 0.7rem 1rem;
            border: 2px solid #2a1f4a;
            border-radius: 10px;
            background: #12102a;
            color: #e0e0f0;
            font-size: 0.98rem;
            outline: none;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .interact-card input:focus,
        .interact-card textarea:focus {
            border-color: #b388ff;
        }
        .interact-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .interact-card button {
            align-self: flex-start;
            padding: 0.6rem 1.8rem;
            border: none;
            border-radius: 40px;
            background: linear-gradient(135deg, #7c4dff, #b388ff);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .interact-card button:hover {
            transform: scale(1.03);
            box-shadow: 0 0 20px rgba(124, 77, 255, 0.3);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.2rem;
            justify-content: flex-end;
            margin: 0.4rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #3a2a5a;
            cursor: pointer;
            transition: color 0.2s, transform 0.1s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffd54f;
        }
        .star-rating label:hover {
            transform: scale(1.15);
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.6rem;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.6rem;
            list-style: none;
            padding: 0;
        }
        friend-link a {
            color: #8a7aaa;
            font-size: 0.95rem;
            border-bottom: 1px dotted #3a2a5a;
        }
        friend-link a:hover {
            color: #dab6ff;
            border-bottom-color: #b388ff;
        }
        footer {
            padding: 1.8rem 0 2.2rem;
            border-top: 2px solid #1a1638;
            margin-top: 2.5rem;
            text-align: center;
            color: #6a5a8a;
            font-size: 0.92rem;
        }
        footer .copyright {
            margin-top: 0.6rem;
        }
        @media (max-width: 860px) {
            .interact-section {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 700px) {
            .hamburger {
                display: inline-block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f0c24;
                padding: 1rem 0.8rem;
                border-radius: 14px;
                border: 1px solid #2a1f4a;
                margin-top: 0.6rem;
                gap: 0.2rem;
            }
            .main-nav a {
                padding: 0.6rem 0.4rem;
                display: block;
            }
            #nav-toggle:checked~.main-nav {
                display: flex;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .search-form input {
                min-width: 120px;
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
                font-size: 0.98rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
                padding-left: 0.6rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .search-form button {
                padding: 0.6rem 1.2rem;
                font-size: 0.9rem;
            }
            .interact-card {
                padding: 1.2rem;
            }
            .star-rating label {
                font-size: 1.5rem;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-muted {
            color: #8a7aaa;
        }
        .badge {
            display: inline-block;
            background: #2a1f4a;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #c4b0ff;
        }
        .updated {
            font-size: 0.9rem;
            color: #6a5a8a;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .updated i {
            color: #b388ff;
        }
        blockquote {
            border-left: 4px solid #b388ff;
            padding: 0.8rem 1.2rem;
            margin: 1.2rem 0;
            background: #14102e;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #d4c4ff;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.6rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #14102e;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #2a1f4a;
        }
        th {
            background: #1a1638;
            color: #dab6ff;
            font-weight: 600;
        }
        tr:hover td {
            background: #1a1838;
        }
        .section-offset {
            scroll-margin-top: 2rem;
        }