*,
        *::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, 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            background: #f7f9fc;
            color: #1a2639;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0d6efd;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #0a58ca;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            margin-top: 0;
            color: #0b1d2f;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1d2f 0%, #1a3a5a 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #f9d423, #ff4e50);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(249, 212, 35, 0.15);
            display: inline-block;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .my-logo .logo-sub {
            font-size: 0.65rem;
            letter-spacing: 2px;
            -webkit-text-fill-color: rgba(255, 255, 255, 0.5);
            display: block;
            font-weight: 400;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .primary-nav {
            display: flex;
            gap: 0.25rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .primary-nav a {
            color: rgba(255, 255, 255, 0.85);
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .primary-nav a:hover,
        .primary-nav a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            text-decoration: none;
        }
        .breadcrumb-wrap {
            background: #e9edf2;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce1e8;
        }
        .breadcrumb-wrap ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-wrap ol li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #7a8a9e;
            font-weight: 600;
        }
        .breadcrumb-wrap a {
            color: #3b5a7a;
        }
        .breadcrumb-wrap .current {
            color: #1a2639;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #0f2a3f, #1f4a6e);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
            border-bottom: 4px solid #f9d423;
        }
        .hero h1 {
            font-size: 2.4rem;
            color: #fff;
            margin-bottom: 0.5rem;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero h1 i {
            color: #f9d423;
            margin-right: 0.4rem;
        }
        .hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 720px;
            margin: 0.5rem auto 0;
        }
        .hero .meta-badge {
            display: inline-block;
            background: rgba(249, 212, 35, 0.2);
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #f9d423;
            margin-top: 1rem;
            border: 1px solid rgba(249, 212, 35, 0.25);
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-body {
            background: #fff;
            border-radius: 16px;
            padding: 2.2rem 2.5rem;
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.04);
        }
        .content-body h2 {
            font-size: 1.7rem;
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #f0f3f7;
            color: #0b1d2f;
        }
        .content-body h2 i {
            color: #f9d423;
            margin-right: 0.5rem;
        }
        .content-body h3 {
            font-size: 1.3rem;
            margin: 1.6rem 0 0.7rem;
            color: #1a3a5a;
        }
        .content-body h4 {
            font-size: 1.05rem;
            margin: 1.2rem 0 0.5rem;
            color: #2a4a6a;
            font-weight: 600;
        }
        .content-body p {
            margin-bottom: 1.1rem;
            color: #2a3a4a;
        }
        .content-body .highlight-box {
            background: #f0f7ff;
            border-left: 5px solid #0d6efd;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .content-body .highlight-box.warn {
            background: #fff8e6;
            border-left-color: #f9d423;
        }
        .content-body .highlight-box.success {
            background: #e8f5e9;
            border-left-color: #28a745;
        }
        .content-body .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .content-body .stat-card {
            background: #f8faff;
            border-radius: 12px;
            padding: 1rem 1.2rem;
            text-align: center;
            border: 1px solid #eaf0f6;
        }
        .content-body .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0d6efd;
        }
        .content-body .stat-card .label {
            font-size: 0.8rem;
            color: #5a7a9a;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .content-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .content-body th,
        .content-body td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #eaeef3;
        }
        .content-body th {
            background: #f0f5fa;
            font-weight: 700;
            color: #0b1d2f;
        }
        .content-body tr:hover td {
            background: #f8fafc;
        }
        .content-body .feature-img {
            border-radius: 14px;
            margin: 1.8rem 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            width: 100%;
        }
        .content-body .tip-list {
            list-style: none;
            padding: 0;
        }
        .content-body .tip-list li {
            padding: 0.5rem 0 0.5rem 1.8rem;
            position: relative;
            margin-bottom: 0.3rem;
        }
        .content-body .tip-list li::before {
            content: "🏍️";
            position: absolute;
            left: 0;
            top: 0.45rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.4rem 1.5rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            color: #0b1d2f;
            border-bottom: 2px solid #f0f3f7;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f5f7fa;
        }
        .sidebar-card ul li a {
            font-size: 0.9rem;
        }
        .search-form {
            display: flex;
            gap: 0.4rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.6rem 1rem;
            border: 1px solid #dce1e8;
            border-radius: 30px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #0d6efd;
        }
        .search-form button {
            background: #0d6efd;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.6rem 1.2rem;
            cursor: pointer;
            font-size: 0.9rem;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #0a58ca;
        }
        .comment-section {
            margin-top: 2rem;
            background: #f8faff;
            border-radius: 14px;
            padding: 1.8rem 2rem;
            border: 1px solid #eaf0f6;
        }
        .comment-section h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }
        .comment-section .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .comment-section .form-row input,
        .comment-section .form-row textarea,
        .comment-section .form-row select {
            flex: 1 1 200px;
            padding: 0.7rem 1rem;
            border: 1px solid #dce1e8;
            border-radius: 10px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.2s;
        }
        .comment-section .form-row textarea {
            min-height: 90px;
            flex-basis: 100%;
        }
        .comment-section .form-row input:focus,
        .comment-section .form-row textarea:focus,
        .comment-section .form-row select:focus {
            border-color: #0d6efd;
        }
        .comment-section .btn-submit {
            background: #0d6efd;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.65rem 2rem;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            transition: background 0.2s, transform 0.1s;
        }
        .comment-section .btn-submit:hover {
            background: #0a58ca;
            transform: scale(1.01);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            align-items: center;
        }
        .star-rating i {
            font-size: 1.4rem;
            color: #dce1e8;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: #f9d423;
        }
        .friend-links-section {
            background: #e9edf2;
            padding: 1.5rem 0;
            border-top: 1px solid #dce1e8;
        }
        .friend-links-section friend-link {
            display: block;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
            font-size: 0.9rem;
        }
        .friend-links-section friend-link h3 {
            font-size: 1rem;
            margin-bottom: 0.6rem;
            color: #0b1d2f;
        }
        .friend-links-section friend-link .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
            list-style: none;
            padding: 0;
        }
        .friend-links-section friend-link .link-list li a {
            color: #2a4a6a;
        }
        .friend-links-section friend-link .link-list li a:hover {
            color: #0d6efd;
        }
        .site-footer {
            background: #0b1d2f;
            color: rgba(255, 255, 255, 0.75);
            padding: 2rem 0 1.5rem;
            font-size: 0.88rem;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem;
        }
        .site-footer .copyright {
            opacity: 0.7;
            font-size: 0.82rem;
        }
        .site-footer a {
            color: #9bb8da;
        }
        .site-footer a:hover {
            color: #fff;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
            .content-body {
                padding: 1.5rem 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.2rem;
                padding-top: 0.8rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.6rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
                width: 100%;
                text-align: left;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-body h2 {
                font-size: 1.4rem;
            }
            .content-body h3 {
                font-size: 1.15rem;
            }
            .comment-section {
                padding: 1.2rem;
            }
            .comment-section .form-row input,
            .comment-section .form-row textarea {
                flex-basis: 100%;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 1rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .content-body {
                padding: 1rem 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .text-muted {
            color: #5a7a9a;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .fw-700 {
            font-weight: 700;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .align-center {
            align-items: center;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #e8f0fe;
            color: #1a4a7a;
            padding: 0.3rem 1rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
            margin: 0.5rem 0 1rem;
        }