*,
        *::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: #f5f7fc;
            color: #1e293b;
            line-height: 1.75;
            padding: 0 1rem;
        }
        a {
            color: #1e4a7a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e96d1f;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 0.5rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            border-radius: 0 0 24px 24px;
            padding: 1rem 0 0.6rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0 1.2rem;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #f59e0b, #ea580c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
            transition: transform 0.25s;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #94a3b8;
            display: block;
            letter-spacing: 0.4px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f1f5f9;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 0.8rem;
            align-items: center;
        }
        .navbar a {
            color: #e2e8f0;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.3rem 0.8rem;
            border-radius: 40px;
            transition: background 0.2s, color 0.2s;
        }
        .navbar a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fbbf24;
        }
        .navbar a i {
            margin-right: 0.35rem;
            font-size: 0.85rem;
        }
        .breadcrumb {
            padding: 0.6rem 1.2rem 0.2rem 1.2rem;
            font-size: 0.85rem;
            color: #94a3b8;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb a:hover {
            color: #fbbf24;
        }
        .breadcrumb .sep {
            color: #475569;
        }
        .hero {
            padding: 2.5rem 0 1.8rem 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            background: linear-gradient(135deg, #0f172a, #1e4a7a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.8rem;
        }
        .hero p {
            font-size: 1.15rem;
            color: #475569;
            max-width: 760px;
            margin: 0 auto 1.4rem auto;
        }
        .hero .badge {
            display: inline-block;
            background: #f59e0b;
            color: #0f172a;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.25rem 1.2rem;
            border-radius: 40px;
            letter-spacing: 0.5px;
        }
        .hero .badge i {
            margin-right: 0.4rem;
        }
        .search-module {
            background: #ffffff;
            border-radius: 60px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            padding: 0.4rem 0.4rem 0.4rem 1.8rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            max-width: 600px;
            margin: 1.8rem auto 0.8rem auto;
            border: 1px solid #e2e8f0;
            transition: box-shadow 0.25s, border-color 0.25s;
        }
        .search-module:focus-within {
            border-color: #f59e0b;
            box-shadow: 0 4px 30px rgba(245, 158, 11, 0.12);
        }
        .search-module i {
            color: #94a3b8;
            font-size: 1.1rem;
            margin-right: 0.6rem;
        }
        .search-module input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 1rem;
            padding: 0.6rem 0;
            background: transparent;
            min-width: 120px;
        }
        .search-module button {
            background: #1e4a7a;
            border: none;
            color: #fff;
            font-weight: 600;
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-module button:hover {
            background: #e96d1f;
            transform: scale(0.97);
        }
        .search-module button i {
            color: #fff;
            margin-right: 0;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2rem 0 3rem 0;
        }
        .article-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin: 2.2rem 0 1rem 0;
            padding-bottom: 0.4rem;
            border-bottom: 4px solid #f59e0b;
            display: inline-block;
            color: #0f172a;
        }
        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin: 1.8rem 0 0.7rem 0;
            color: #1e293b;
        }
        .article-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 1.2rem 0 0.4rem 0;
            color: #334155;
        }
        .article-content p {
            margin-bottom: 1.1rem;
            color: #334155;
        }
        .article-content ul,
        .article-content ol {
            margin: 0.6rem 0 1.2rem 1.8rem;
        }
        .article-content li {
            margin-bottom: 0.4rem;
        }
        .article-content .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f59e0b;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.4rem 0;
        }
        .article-content .highlight-box i {
            color: #f59e0b;
            margin-right: 0.5rem;
        }
        .article-content .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .article-content .stat-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.2rem 1rem;
            text-align: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef2f6;
        }
        .article-content .stat-card i {
            font-size: 2rem;
            color: #f59e0b;
            margin-bottom: 0.4rem;
        }
        .article-content .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0f172a;
        }
        .article-content .stat-card .label {
            font-size: 0.9rem;
            color: #64748b;
        }
        .featured-image-wrap {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-image-wrap figcaption {
            background: #f1f5f9;
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            color: #475569;
        }
        .sidebar .card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.2rem;
            margin-bottom: 1.8rem;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef2f6;
        }
        .sidebar .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #0f172a;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar .card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar .card ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .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: #f59e0b;
            font-size: 0.85rem;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0 1.5rem 0;
            background: #fff;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f6;
        }
        .interaction-area h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #0f172a;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .interaction-area form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .interaction-area form input,
        .interaction-area form textarea,
        .interaction-area form select {
            padding: 0.7rem 1rem;
            border: 1px solid #d1d9e6;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fafcff;
        }
        .interaction-area form input:focus,
        .interaction-area form textarea:focus,
        .interaction-area form select:focus {
            border-color: #f59e0b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
        }
        .interaction-area form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interaction-area form button {
            background: #1e4a7a;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .interaction-area form button:hover {
            background: #e96d1f;
            transform: scale(0.98);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d1d9e6;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        friend-link {
            display: block;
            background: #1e293b;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0 1.2rem 0;
            color: #e2e8f0;
        }
        friend-link h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fbbf24;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        friend-link .links-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        friend-link .links-grid a {
            color: #cbd5e1;
            font-size: 0.92rem;
            border-bottom: 1px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }
        friend-link .links-grid a:hover {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
        }
        .site-footer {
            background: #0f172a;
            border-radius: 24px 24px 0 0;
            padding: 2rem 1.5rem 1.2rem 1.5rem;
            color: #94a3b8;
            margin: 2rem -1rem 0 -1rem;
        }
        .site-footer .inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .site-footer .copyright {
            font-size: 0.9rem;
        }
        .site-footer .copyright strong {
            color: #e2e8f0;
        }
        @media (max-width: 920px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 720px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .nav-toggle {
                display: block;
            }
            .navbar {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.4rem 0;
                gap: 0.3rem;
            }
            .navbar.open {
                display: flex;
            }
            .navbar a {
                width: 100%;
                padding: 0.5rem 0.8rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-module {
                flex-direction: column;
                border-radius: 24px;
                padding: 0.8rem;
                gap: 0.6rem;
            }
            .search-module input {
                width: 100%;
                padding: 0.4rem 0;
            }
            .search-module button {
                width: 100%;
                justify-content: center;
            }
            .article-content h2 {
                font-size: 1.4rem;
            }
            .article-content h3 {
                font-size: 1.15rem;
            }
            friend-link .links-grid {
                flex-direction: column;
                gap: 0.4rem;
            }
            .site-footer .inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .interaction-area {
                padding: 1.2rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .updated-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #eef2f6;
            padding: 0.3rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #475569;
            margin-bottom: 1rem;
        }
        .updated-badge i {
            color: #f59e0b;
        }
        .section-icon {
            margin-right: 0.4rem;
            color: #f59e0b;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .text-muted {
            color: #64748b;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }