*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
            background: #0b0d17;
            color: #e6e9f0;
            line-height: 1.75;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #7aa8f7;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #b3d0ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 600;
            line-height: 1.3;
            color: #f0f4ff;
            margin-top: 2.2rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0.6rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid #ff6b9d;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #d4e0ff;
        }
        h4 {
            font-size: 1.2rem;
            color: #b8c9ff;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.5rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong {
            color: #ffb07c;
            font-weight: 600;
        }
        em {
            color: #b0d0ff;
            font-style: italic;
        }
        hr {
            border: none;
            border-top: 2px solid #2a2e42;
            margin: 2.5rem 0;
        }
        .container {
            width: 100%;
            padding: 0 0.5rem;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.8rem;
            border-bottom: 1px solid #2a2e42;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(135deg, #ff6b9d, #ffb07c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
            display: inline-block;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #aab3cc;
            color: #aab3cc;
            background: none;
        }
        .my-logo a {
            text-decoration: none;
            color: inherit;
            background: inherit;
            -webkit-text-fill-color: inherit;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.2rem;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .nav-list li a {
            padding: 0.4rem 0.2rem;
            font-weight: 500;
            font-size: 0.95rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s;
        }
        .nav-list li a:hover {
            border-bottom-color: #ff6b9d;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #e6e9f0;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #1f233a;
        }
        #nav-toggle {
            display: none;
        }
        #nav-toggle:checked~.nav-list {
            display: flex;
            flex-direction: column;
            width: 100%;
            background: #131724;
            padding: 1rem 0;
            border-radius: 12px;
            margin-top: 0.8rem;
        }
        #nav-toggle:checked~.nav-list li {
            text-align: center;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0 0.2rem;
            margin: 0 0 1rem;
            font-size: 0.85rem;
            color: #7d86a8;
        }
        .breadcrumb li+li::before {
            content: "▶";
            padding: 0 0.6rem;
            color: #4a5070;
            font-size: 0.7rem;
        }
        .breadcrumb a {
            color: #7aa8f7;
        }
        .breadcrumb a:hover {
            color: #b3d0ff;
        }
        .hero-figure {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #1a1e2f;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
        }
        .hero-figure img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .hero-caption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #929cc4;
            background: #131724;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media(min-width:820px) {
            .content-grid {
                grid-template-columns: 2.5fr 1fr;
            }
            .sidebar {
                position: sticky;
                top: 1rem;
                align-self: start;
            }
        }
        .sidebar-card {
            background: #131724;
            border-radius: 16px;
            padding: 1.6rem 1.4rem;
            margin-bottom: 1.6rem;
            border: 1px solid #2a2e42;
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 1px solid #2a2e42;
            padding-bottom: 0.6rem;
        }
        .sidebar-card ul {
            list-style: none;
            margin: 0.8rem 0 0;
            padding: 0;
        }
        .sidebar-card li {
            padding: 0.3rem 0;
            border-bottom: 1px dashed #23273c;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.2rem 0;
        }
        .search-form input[type="search"] {
            flex: 1;
            padding: 0.7rem 1rem;
            border-radius: 40px;
            border: 1px solid #343a56;
            background: #0f1322;
            color: #e6e9f0;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input[type="search"]:focus {
            border-color: #ff6b9d;
        }
        .search-form button {
            background: #ff6b9d;
            border: none;
            border-radius: 40px;
            padding: 0 1.4rem;
            color: #0b0d17;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: #ff8ab0;
            transform: scale(1.02);
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            margin: 1.2rem 0;
        }
        .form-group label {
            font-weight: 500;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.7rem 1rem;
            border-radius: 12px;
            border: 1px solid #343a56;
            background: #0f1322;
            color: #e6e9f0;
            font-size: 0.95rem;
            resize: vertical;
            outline: none;
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #7aa8f7;
        }
        .form-group textarea {
            min-height: 100px;
        }
        .btn {
            background: #7aa8f7;
            color: #0b0d17;
            font-weight: 600;
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 40px;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 1rem;
            display: inline-block;
        }
        .btn:hover {
            background: #99bfff;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #343a56;
            color: #e6e9f0;
        }
        .btn-secondary:hover {
            background: #4a5070;
        }
        .star-rating {
            display: flex;
            gap: 0.2rem;
            direction: rtl;
            justify-content: flex-end;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #4a5070;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffb07c;
        }
        footer {
            border-top: 1px solid #2a2e42;
            padding: 2rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        @media(max-width:600px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        friend-link {
            display: block;
            background: #131724;
            border-radius: 12px;
            padding: 1.2rem 1.4rem;
            border: 1px solid #2a2e42;
            margin-bottom: 1rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            padding: 0.2rem 0;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            font-size: 0.85rem;
            color: #5d6690;
        }
        @media(max-width:680px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            body {
                padding: 0 0.6rem;
            }
            .nav-list {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.4rem;
                padding: 0.8rem 0;
            }
            .hamburger {
                display: inline-block;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form button {
                padding: 0.6rem 1.2rem;
            }
        }
        @media(min-width:681px) {
            .hamburger {
                display: none !important;
            }
            #nav-toggle {
                display: none !important;
            }
            .nav-list {
                display: flex !important;
                flex-direction: row;
                background: transparent;
                padding: 0;
                margin: 0;
                width: auto;
            }
        }
        .badge {
            display: inline-block;
            background: #ff6b9d;
            color: #0b0d17;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 40px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .highlight-box {
            background: #1a1e2f;
            border-left: 4px solid #ffb07c;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin: 1.6rem 0;
        }
        .stat-card {
            background: #131724;
            padding: 1.2rem;
            border-radius: 12px;
            text-align: center;
            border: 1px solid #2a2e42;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 700;
            color: #ffb07c;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #7d86a8;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #131724;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #23273c;
        }
        th {
            background: #1f233a;
            color: #b0d0ff;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .section-spacer {
            margin-top: 2.8rem;
        }
        .text-muted {
            color: #7d86a8;
            font-size: 0.9rem;
        }
        .emoji-lg {
            font-size: 1.8rem;
            vertical-align: middle;
        }
        .inline-icon {
            margin-right: 0.3rem;
        }