*,
        *::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, sans-serif;
            background: #f4f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0d6efd;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #0a58ca;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.35rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #ffd200;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: initial;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 400;
            letter-spacing: 0.05em;
            margin-left: 0.3rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e0ff;
            padding: 0.45rem 0.9rem;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
            font-size: 0.8rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb-wrap {
            background: #e9edf4;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d7e0;
        }
        .breadcrumb-wrap nav ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb-wrap nav ol li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #6c757d;
            font-weight: 700;
        }
        .breadcrumb-wrap a {
            color: #1a1a2e;
        }
        .breadcrumb-wrap a:hover {
            color: #0d6efd;
        }
        .breadcrumb-wrap .current {
            color: #6c757d;
            font-weight: 500;
        }
        .btn {
            display: inline-block;
            padding: 0.5rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
        }
        .btn-primary {
            background: #0d6efd;
            color: #fff;
        }
        .btn-primary:hover {
            background: #0a58ca;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(13, 110, 253, 0.35);
            text-decoration: none;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #0d6efd;
            color: #0d6efd;
        }
        .btn-outline:hover {
            background: #0d6efd;
            color: #fff;
            text-decoration: none;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            background: linear-gradient(135deg, #0f0c29, #302b63);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        article h2 {
            font-size: 1.9rem;
            font-weight: 800;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 4px solid #0d6efd;
            display: inline-block;
        }
        article h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin: 2rem 0 0.8rem;
            color: #1a1a2e;
        }
        article h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 1.5rem 0 0.5rem;
            color: #2d2d4e;
        }
        article p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #2d2d3e;
        }
        article p.lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #1a1a2e;
        }
        article strong {
            color: #0f0c29;
        }
        article .highlight-box {
            background: #eef2ff;
            border-left: 5px solid #0d6efd;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        article .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .stat-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }
        .stat-table thead {
            background: #0f0c29;
            color: #fff;
        }
        .stat-table th,
        .stat-table td {
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e9ecef;
        }
        .stat-table tbody tr:hover {
            background: #f1f5ff;
        }
        .stat-table .rating-stars {
            color: #ffc107;
            letter-spacing: 2px;
        }
        .sidebar {
            position: sticky;
            top: 5.5rem;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #0f0c29;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f0f5;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul li a i {
            color: #0d6efd;
            font-size: 0.8rem;
        }
        .featured-image {
            border-radius: 18px;
            overflow: hidden;
            margin: 2rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            background: #e9edf4;
        }
        .featured-image img {
            width: 100%;
            aspect-ratio: 1200/630;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.75rem 1.2rem;
            font-size: 0.85rem;
            color: #6c757d;
            background: #fff;
            border-top: 1px solid #e9ecef;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d0d7e0;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.25s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #0d6efd;
            box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.12);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        @media (max-width: 600px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        .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: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffc107;
        }
        .comment-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e9ecef;
        }
        .comment-section h2 {
            border-bottom: none;
            display: block;
            margin-top: 0;
        }
        .comment-item {
            background: #f8f9fc;
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin-bottom: 1rem;
            border-left: 4px solid #0d6efd;
        }
        .comment-item .meta {
            font-size: 0.85rem;
            color: #6c757d;
            margin-bottom: 0.3rem;
        }
        .comment-item .name {
            font-weight: 700;
            color: #0f0c29;
        }
        .site-footer {
            background: #0f0c29;
            color: #b0b0d0;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .site-footer a {
            color: #b0b0d0;
        }
        .site-footer a:hover {
            color: #ffd200;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.9rem;
        }
        .footer-bottom .copyright {
            color: rgba(255, 255, 255, 0.5);
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            padding: 1rem 1.5rem;
            margin-top: 1rem;
        }
        friend-link span {
            font-weight: 600;
            color: #fff;
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.5rem;
            margin-bottom: 0.3rem;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 0.75rem 0 0.25rem;
                gap: 0.15rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            article h1 {
                font-size: 1.9rem;
            }
            article h2 {
                font-size: 1.5rem;
            }
            article h3 {
                font-size: 1.2rem;
            }
            .stat-table {
                font-size: 0.8rem;
            }
            .stat-table th,
            .stat-table td {
                padding: 0.5rem 0.6rem;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            article p {
                font-size: 0.98rem;
            }
        }
        .text-muted {
            color: #6c757d;
        }
        .text-small {
            font-size: 0.85rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .gap-1 {
            gap: 1rem;
        }
        .align-center {
            align-items: center;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6c757d;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 1.2rem;
            flex-wrap: wrap;
        }
        .last-updated i {
            color: #0d6efd;
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #0f0c29;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
            transition: all 0.3s;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            background: #0d6efd;
            transform: translateY(-3px);
            text-decoration: none;
            color: #fff;
        }
        @media (max-width: 600px) {
            .scroll-top {
                bottom: 1.2rem;
                right: 1.2rem;
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }
        }