*,
        *::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: #f8fafc;
            color: #1e293b;
            line-height: 1.8;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #0f766e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #0d9488;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #0f172a;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #0f172a;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            border-bottom: 4px solid #0d9488;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1e293b;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #334155;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #334155;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #475569;
            line-height: 1.9;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            padding: 0 0 0 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;
            padding: 12px 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.03em;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            color: #2dd4bf;
            font-size: 2rem;
        }
        .my-logo span {
            background: linear-gradient(90deg, #2dd4bf, #14b8a6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-menu li a {
            color: #cbd5e1;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu li a:hover {
            background: rgba(45, 212, 191, 0.15);
            color: #2dd4bf;
            text-decoration: none;
        }
        .nav-menu li a.active {
            background: rgba(45, 212, 191, 0.2);
            color: #2dd4bf;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #e2e8f0;
            padding: 10px 20px;
            font-size: 0.9rem;
            color: #475569;
            max-width: 1200px;
            margin: 0 auto;
            border-radius: 0 0 12px 12px;
        }
        .breadcrumb a {
            color: #0f766e;
        }
        .breadcrumb i {
            margin: 0 6px;
            font-size: 0.7rem;
            color: #94a3b8;
        }
        .hero {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
            padding: 60px 20px 50px;
            text-align: center;
            border-radius: 0 0 40px 40px;
            margin-bottom: 40px;
        }
        .hero h1 {
            color: #fff;
            font-size: 3.2rem;
            margin-bottom: 0.5rem;
        }
        .hero h1 i {
            color: #2dd4bf;
        }
        .hero p {
            color: #94a3b8;
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto;
        }
        .hero .badge {
            display: inline-block;
            background: rgba(45, 212, 191, 0.2);
            color: #2dd4bf;
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-top: 16px;
            border: 1px solid rgba(45, 212, 191, 0.3);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 20px;
        }
        .content-area {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            background: #fff;
            border-radius: 20px;
            padding: 28px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            margin-top: 0;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 10px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 8px 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar ul li a {
            color: #0f766e;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar ul li a i {
            color: #2dd4bf;
            font-size: 0.8rem;
        }
        .featured-image {
            margin: 30px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f1f5f9;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #64748b;
            text-align: center;
        }
        .search-box {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 24px;
            margin: 30px 0;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-box input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-box input:focus {
            border-color: #0d9488;
        }
        .search-box button {
            padding: 14px 32px;
            background: #0d9488;
            color: #fff;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-box button:hover {
            background: #0f766e;
        }
        .feedback-section {
            background: #f8fafc;
            border-radius: 20px;
            padding: 32px;
            margin-top: 40px;
            border: 1px solid #e2e8f0;
        }
        .feedback-section h3 {
            margin-top: 0;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            color: #cbd5e1;
            transition: color 0.2s;
            margin: 10px 0 20px;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f59e0b;
        }
        .rating-stars i {
            transition: color 0.15s;
        }
        .comment-form textarea {
            width: 100%;
            padding: 16px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #0d9488;
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 1rem;
            transition: border 0.2s;
        }
        .comment-form .form-row input:focus {
            border-color: #0d9488;
            outline: none;
        }
        .comment-form button {
            padding: 12px 28px;
            background: #0d9488;
            color: #fff;
            border: none;
            border-radius: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover {
            background: #0f766e;
        }
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 40px 20px 20px;
            margin-top: 60px;
            border-radius: 40px 40px 0 0;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .footer-inner a {
            color: #94a3b8;
            display: block;
            padding: 4px 0;
        }
        .footer-inner a:hover {
            color: #2dd4bf;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 30px auto 0;
            padding-top: 20px;
            border-top: 1px solid #1e293b;
            text-align: center;
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            padding: 12px 0;
        }
        friend-link a {
            color: #2dd4bf;
            margin: 0 12px;
        }
        @media (max-width: 1024px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .content-area {
                order: 1;
            }
        }
        @media (max-width: 768px) {
            html {
                font-size: 15px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.05rem;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1e293b;
                padding: 16px;
                border-radius: 16px;
                margin-top: 12px;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 12px 16px;
                width: 100%;
                border-radius: 8px;
            }
            .hamburger {
                display: block;
            }
            .content-area {
                padding: 24px 18px;
            }
            .sidebar {
                padding: 20px;
            }
            .search-box {
                padding: 16px;
            }
            .search-box input {
                min-width: 100%;
            }
            .search-box button {
                width: 100%;
                justify-content: center;
            }
            .feedback-section {
                padding: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 8px 16px;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
            .comment-form .form-row input {
                min-width: 100%;
            }
            .comment-form button {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 40px 16px 30px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .content-area {
                padding: 16px 12px;
            }
            .featured-image {
                margin: 20px 0;
            }
        }
        .text-teal {
            color: #0d9488;
        }
        .bg-soft {
            background: #f1f5f9;
            padding: 20px 24px;
            border-radius: 16px;
            margin: 20px 0;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 8px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #ecfdf5, #f0fdfa);
            border-left: 4px solid #0d9488;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: #0d9488;
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.2s;
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background: #0f766e;
            text-decoration: none;
            color: #fff;
            transform: translateY(-2px);
        }