*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #0f3b5e;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s;
        }
        a:hover {
            color: #b91c1c;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
            color: #0c1e2f;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
            border-left: 6px solid #b91c1c;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.9rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.45rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.15rem;
            color: #2c4c6e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.6rem 0 1.4rem 1.8rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        strong {
            color: #0b1d2e;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1d2e 0%, #1a3a52 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #facc15;
            text-decoration: none;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            font-size: 2rem;
            color: #f97316;
        }
        .my-logo:hover {
            color: #fde047;
        }
        .my-logo small {
            font-size: 0.75rem;
            font-weight: 400;
            color: #cbd5e1;
            display: block;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #facc15;
            color: #facc15;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(250, 204, 21, 0.15);
        }
        .primary-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .primary-nav a {
            color: #e2e8f0;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
        }
        .primary-nav a:hover {
            background: #facc15;
            color: #0b1d2e;
        }
        .primary-nav a.active {
            background: #facc15;
            color: #0b1d2e;
        }
        @media (max-width: 820px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0f2a3f;
                padding: 1rem 0.5rem;
                margin-top: 0.8rem;
                border-radius: 16px;
                gap: 0.3rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.7rem 1.2rem;
                border-radius: 10px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.6rem;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #94a3b8;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0f3b5e;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #475569;
            font-weight: 600;
        }
        .page-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.4rem;
            padding: 2rem 0;
        }
        @media (max-width: 920px) {
            .page-wrap {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            background: #ffffff;
            border-radius: 20px;
            padding: 1.6rem 1.4rem;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
            border: 1px solid #eef2f6;
            height: fit-content;
            position: sticky;
            top: 5.8rem;
        }
        @media (max-width: 920px) {
            .sidebar {
                position: static;
                margin-top: 1rem;
            }
        }
        .sidebar h3 {
            margin-top: 0;
            font-size: 1.3rem;
            border-bottom: 2px solid #facc15;
            padding-bottom: 0.5rem;
        }
        .sidebar ul {
            list-style: none;
            margin: 0.8rem 0 0 0;
            padding: 0;
        }
        .sidebar li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar li:last-child {
            border-bottom: none;
        }
        .sidebar a {
            text-decoration: none;
            font-weight: 500;
            display: block;
        }
        .card {
            background: #ffffff;
            border-radius: 20px;
            padding: 1.8rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f6;
            margin-bottom: 2rem;
        }
        .card h2:first-child {
            margin-top: 0;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.10);
        }
        .featured-image figcaption {
            background: #f1f5f9;
            padding: 0.7rem 1.2rem;
            font-size: 0.9rem;
            color: #475569;
            font-style: italic;
        }
        .search-box {
            display: flex;
            gap: 0.4rem;
            margin: 1.2rem 0 0.6rem;
            flex-wrap: wrap;
        }
        .search-box input {
            flex: 1;
            min-width: 160px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d1d9e6;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-box input:focus {
            border-color: #0f3b5e;
        }
        .search-box button {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 0.8rem 1.6rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover {
            background: #b91c1c;
            transform: scale(1.02);
        }
        .comment-area,
        .rating-area {
            margin-top: 1.8rem;
            padding-top: 1.4rem;
            border-top: 2px dashed #d1d9e6;
        }
        .comment-area textarea,
        .rating-area select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #d1d9e6;
            border-radius: 14px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 90px;
            transition: border 0.2s;
        }
        .comment-area textarea:focus,
        .rating-area select:focus {
            border-color: #0f3b5e;
            outline: none;
        }
        .rating-area select {
            min-height: auto;
            width: auto;
            padding: 0.6rem 2rem 0.6rem 1rem;
            appearance: auto;
        }
        .btn-primary {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            background: #b91c1c;
            transform: scale(1.02);
        }
        .btn-primary i {
            font-size: 1.1rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.2rem;
            font-size: 1.6rem;
            color: #facc15;
            margin: 0.4rem 0;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.25);
        }
        .site-footer {
            background: #0b1d2e;
            color: #cbd5e1;
            padding: 2.4rem 0 1.2rem;
            margin-top: auto;
            border-top: 4px solid #facc15;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.8rem;
            margin-bottom: 1.8rem;
        }
        .site-footer h4 {
            color: #facc15;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #b9d4e8;
            text-decoration: none;
        }
        .site-footer a:hover {
            color: #facc15;
            text-decoration: underline;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.6rem;
            padding: 0.8rem 0;
            border-top: 1px solid #1e3a5f;
            border-bottom: 1px solid #1e3a5f;
            margin: 1rem 0;
            list-style: none;
        }
        .friend-link a {
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            font-size: 0.9rem;
            padding-top: 1.2rem;
            border-top: 1px solid #1e3a5f;
            color: #94a3b8;
        }
        .copyright strong {
            color: #facc15;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #facc15;
            color: #0b1d2e;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }
        .update-time {
            color: #64748b;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 0.8rem;
        }
        .stat-highlight {
            background: #f1f5f9;
            border-left: 4px solid #b91c1c;
            padding: 1rem 1.4rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.4rem;
        }
        @media (max-width: 600px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        .emoji-lg {
            font-size: 1.8rem;
        }
        hr {
            border: none;
            border-top: 2px dashed #d1d9e6;
            margin: 2rem 0;
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #0f3b5e;
            color: #fff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
            border: none;
            z-index: 99;
        }
        .scroll-top:hover {
            background: #b91c1c;
            transform: translateY(-4px);
        }