*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8f9fa;
            color: #1e2a36;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1a2e 0%, #1a2d4a 100%);
            color: #fff;
            padding: 0.75rem 0;
            border-bottom: 4px solid #f59e0b;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            line-height: 1.2;
        }
        .my-logo:hover {
            color: #f59e0b;
            text-decoration: none;
        }
        .my-logo i {
            color: #f59e0b;
            font-size: 2rem;
        }
        .my-logo span {
            font-weight: 300;
            color: #94a3b8;
            font-size: 0.9rem;
            display: block;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f59e0b;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.4rem;
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-toggle i {
            pointer-events: none;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d1d9e6;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #6b7a8f;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #475569;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #f0f4ff 0%, #e6edfa 100%);
            padding: 3rem 0 2.5rem;
            border-bottom: 2px solid #dce3ef;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0f1a2e;
            margin-bottom: 0.75rem;
        }
        .hero h1 i {
            color: #f59e0b;
        }
        .hero .subhead {
            font-size: 1.2rem;
            color: #334155;
            max-width: 780px;
            margin-bottom: 1.25rem;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2.5rem;
            font-size: 0.95rem;
            color: #475569;
        }
        .hero-meta i {
            color: #f59e0b;
            width: 1.4rem;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        section {
            margin-bottom: 3rem;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0f1a2e;
            border-left: 5px solid #f59e0b;
            padding-left: 1rem;
            margin: 2rem 0 1.2rem;
            line-height: 1.3;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1a2d4a;
            margin: 1.6rem 0 0.8rem;
            line-height: 1.4;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2d3f5a;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1rem;
        }
        .highlight-box {
            background: #f1f5f9;
            border-left: 4px solid #f59e0b;
            padding: 1.25rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #0f1a2e;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #fff;
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            padding: 1.2rem;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #f59e0b;
            display: block;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #475569;
            margin-top: 0.25rem;
        }
        .featured-img {
            margin: 2rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            background: #e2e8f0;
        }
        .featured-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-img figcaption {
            padding: 0.75rem 1rem;
            font-size: 0.85rem;
            color: #475569;
            background: #f8fafc;
            border-top: 1px solid #e2e8f0;
        }
        .sidebar-card {
            background: #fff;
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #f59e0b;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0.75rem 0 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-weight: 500;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
            color: #1e2a36;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.65rem 0.9rem;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.2s, box-shadow 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #f59e0b;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 0.65rem 1.6rem;
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-family: inherit;
        }
        .btn-primary {
            background: #2563eb;
            color: #fff;
        }
        .btn-primary:hover {
            background: #1e40af;
            transform: translateY(-1px);
        }
        .btn-secondary {
            background: #f59e0b;
            color: #0f1a2e;
        }
        .btn-secondary:hover {
            background: #d97706;
            transform: translateY(-1px);
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.15s;
        }
        .rating-stars .star.active {
            color: #f59e0b;
        }
        .rating-stars .star:hover,
        .rating-stars .star.hover {
            color: #fbbf24;
        }
        .rating-stars .star {
            transition: color 0.15s;
            user-select: none;
        }
        .comment-item {
            background: #f8fafc;
            border-radius: 8px;
            padding: 1rem 1.2rem;
            margin-bottom: 0.8rem;
            border-left: 3px solid #e2e8f0;
        }
        .comment-item .author {
            font-weight: 600;
            color: #0f1a2e;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #6b7a8f;
            margin-left: 0.75rem;
        }
        .comment-item .text {
            margin-top: 0.3rem;
            color: #334155;
        }
        .site-footer {
            background: #0f1a2e;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            border-top: 4px solid #f59e0b;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .site-footer a {
            color: #94a3b8;
        }
        .site-footer a:hover {
            color: #f59e0b;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.3rem;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #1e2a3e;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #6b7a8f;
        }
        .copyright strong {
            color: #94a3b8;
        }
        @media (max-width: 992px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2.1rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f1a2e;
                padding: 0.75rem 0;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                margin-top: 0.5rem;
                gap: 0;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
                width: 100%;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero .subhead {
                font-size: 1rem;
            }
            .hero-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 1rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo span {
                font-size: 0.75rem;
            }
            .sidebar-card {
                padding: 1rem;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
            .rating-stars {
                font-size: 1.4rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .text-sm {
            font-size: 0.9rem;
        }
        .text-muted {
            color: #6b7a8f;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .items-center {
            align-items: center;
        }
        .justify-between {
            justify-content: space-between;
        }
        .w-full {
            width: 100%;
        }