*,
        *::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: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #0f766e;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #0d9488;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0f172a;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            margin-bottom: 0.6rem;
            border-bottom: 3px solid #14b8a6;
            padding-bottom: 0.3rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            margin-bottom: 0.4rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.3rem;
            color: #1e293b;
        }
        p {
            margin-bottom: 1rem;
        }
        ul,
        ol {
            margin-bottom: 1rem;
            padding-left: 1.8rem;
        }
        li {
            margin-bottom: 0.3rem;
        }
        strong {
            color: #0f172a;
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #f1f5f9;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #14b8a6;
            letter-spacing: -0.5px;
            transition: transform 0.2s ease;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #2dd4bf;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 2rem;
            color: #facc15;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.2rem 0.8rem;
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
        }
        .nav-list a {
            color: #e2e8f0;
            font-weight: 500;
            padding: 0.4rem 0.8rem;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: background 0.25s, color 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }
        .nav-list a:hover,
        .nav-list a:focus-visible {
            background: rgba(20, 184, 166, 0.2);
            color: #2dd4bf;
            text-decoration: none;
        }
        .nav-list a.active {
            background: #14b8a6;
            color: #0f172a;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f1f5f9;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-check {
            display: none;
        }
        .breadcrumb-wrap {
            background: #e2e8f0;
            padding: 0.5rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #64748b;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0f766e;
        }
        .breadcrumb .current {
            color: #475569;
            font-weight: 600;
        }
        .main-wrap {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-body {
            background: #ffffff;
            border-radius: 20px;
            padding: 2rem 2.5rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .article-body p {
            text-align: justify;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e2e8f0;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #14b8a6;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            margin-bottom: 0.5rem;
        }
        .sidebar-card a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 0;
            font-size: 0.95rem;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-card a i {
            color: #14b8a6;
            font-size: 0.8rem;
        }
        .hero-img-wrap {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #e2e8f0;
        }
        .hero-img-wrap img {
            width: 100%;
            object-fit: cover;
            max-height: 420px;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin: 1.2rem 0 1.8rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
            background: #f8fafc;
        }
        .search-form input[type="text"]:focus {
            border-color: #14b8a6;
        }
        .search-form button {
            background: #0f766e;
            color: #fff;
            border: none;
            padding: 0.75rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1rem;
        }
        .search-form button:hover {
            background: #0d9488;
            transform: scale(1.02);
        }
        .rating-wrap {
            display: flex;
            align-items: center;
            gap: 0.6rem 1.2rem;
            flex-wrap: wrap;
            padding: 1rem 0;
            border-top: 1px solid #e2e8f0;
            border-bottom: 1px solid #e2e8f0;
            margin: 1.5rem 0;
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.2rem;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 1.8rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #facc15;
            transform: scale(1.1);
        }
        .rating-starts label i {
            font-size: 1.8rem;
        }
        .rating-submit {
            background: #14b8a6;
            color: #fff;
            border: none;
            padding: 0.5rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            font-size: 0.95rem;
        }
        .rating-submit:hover {
            background: #0d9488;
        }
        .comment-box {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.5rem;
            margin: 1.8rem 0;
            border: 1px solid #e2e8f0;
        }
        .comment-box textarea {
            width: 100%;
            min-height: 100px;
            padding: 0.8rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            outline: none;
            transition: border 0.3s;
            background: #fff;
        }
        .comment-box textarea:focus {
            border-color: #14b8a6;
        }
        .comment-box .form-row {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin-top: 0.8rem;
        }
        .comment-box .form-row input {
            flex: 1;
            min-width: 140px;
            padding: 0.6rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            background: #fff;
        }
        .comment-box .form-row input:focus {
            border-color: #14b8a6;
        }
        .comment-box .form-row button {
            background: #0f766e;
            color: #fff;
            border: none;
            padding: 0.6rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            font-size: 0.95rem;
        }
        .comment-box .form-row button:hover {
            background: #0d9488;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: #64748b;
            margin-top: 1.5rem;
            padding-top: 0.8rem;
            border-top: 1px dashed #e2e8f0;
        }
        friend-link {
            display: block;
            background: #1e293b;
            color: #e2e8f0;
            padding: 1.5rem 0;
            margin-top: 2rem;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            align-items: center;
            justify-content: center;
        }
        friend-link a {
            color: #5eead4;
            font-weight: 500;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: rgba(94, 234, 212, 0.12);
            text-decoration: none;
        }
        friend-link .label {
            font-weight: 600;
            color: #facc15;
            margin-right: 0.5rem;
            font-size: 0.95rem;
        }
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.9rem;
            border-top: 2px solid #1e293b;
        }
        .site-footer .copyright {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.3rem 1.2rem;
        }
        .site-footer a {
            color: #5eead4;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .article-body {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e293b;
                border-radius: 12px;
                padding: 0.8rem;
                margin-top: 0.5rem;
                gap: 0.3rem;
            }
            .nav-check:checked~.nav-list {
                display: flex;
            }
            .nav-list a {
                padding: 0.5rem 1rem;
                border-radius: 8px;
                width: 100%;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .article-body {
                padding: 1.2rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            .search-form button span {
                display: none;
            }
            .rating-wrap {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-img-wrap img {
                max-height: 240px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .article-body {
                padding: 0.8rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .breadcrumb-wrap {
                font-size: 0.75rem;
            }
            .comment-box .form-row {
                flex-direction: column;
            }
        }
        .text-muted {
            color: #64748b;
            font-size: 0.9rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .emoji-lg {
            font-size: 1.6rem;
        }
        .highlight-box {
            background: #f0fdfa;
            border-left: 4px solid #14b8a6;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-item {
            background: #f8fafc;
            padding: 0.8rem 1rem;
            border-radius: 12px;
            text-align: center;
            border: 1px solid #e2e8f0;
        }
        .stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0f766e;
            display: block;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #64748b;
        }
        .inline-link-list {
            display: inline;
            flex-wrap: wrap;
            gap: 0.3rem;
        }
        .inline-link-list a {
            font-weight: 500;
        }