*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #f7f9fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: #0f172a;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            margin-bottom: 0.6rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            margin-bottom: 0.5rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.3rem;
            color: #334155;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            padding: 16px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #facc15;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(250, 204, 21, 0.25);
            transition: transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #fde047;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 1.5rem;
            color: #facc15;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 8px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: rgba(255, 255, 255, 0.12);
            color: #facc15;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f1f5f9;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-toggle {
            display: none;
        }
        .nav-toggle:checked~.main-nav {
            display: flex;
            flex-direction: column;
            width: 100%;
            background: #1e293b;
            padding: 12px 0 16px;
            border-radius: 12px;
            margin-top: 8px;
        }
        .nav-toggle:checked~.main-nav a {
            width: 100%;
            text-align: center;
            padding: 12px;
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb a:hover {
            color: #2563eb;
        }
        .breadcrumb .current {
            color: #0f172a;
            font-weight: 600;
        }
        .main-content {
            padding: 30px 0 50px;
        }
        .featured-image {
            margin: 20px 0 30px;
            border-radius: 14px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .last-updated {
            display: inline-block;
            background: #e2e8f0;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #475569;
            margin-bottom: 16px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #64748b;
        }
        .highlight-box {
            background: #ffffff;
            border-left: 5px solid #facc15;
            padding: 20px 24px;
            border-radius: 10px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .tip-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            margin: 24px 0;
        }
        .tip-card {
            background: #ffffff;
            padding: 20px 18px;
            border-radius: 14px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #eef2f6;
        }
        .tip-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.07);
        }
        .tip-card i {
            font-size: 1.8rem;
            color: #facc15;
            margin-bottom: 10px;
        }
        .tip-card h4 {
            margin-top: 0;
        }
        .search-section {
            background: #ffffff;
            padding: 28px 24px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin: 30px 0;
            border: 1px solid #eef2f6;
        }
        .search-section h2 {
            border-bottom: none;
            margin-top: 0;
            padding-bottom: 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 14px 18px;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
            background: #f8fafc;
        }
        .search-form input[type="text"]:focus {
            border-color: #facc15;
            background: #ffffff;
        }
        .search-form button {
            padding: 14px 32px;
            background: #2563eb;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1e40af;
            transform: scale(1.02);
        }
        .search-form button:active {
            transform: scale(0.97);
        }
        .feedback-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 30px 0;
        }
        .comment-section,
        .rating-section {
            background: #ffffff;
            padding: 24px 22px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f6;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #f8fafc;
        }
        .comment-form textarea:focus {
            border-color: #facc15;
            background: #ffffff;
            outline: none;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 0.95rem;
            margin: 8px 0 4px;
            transition: border-color 0.2s;
            background: #f8fafc;
        }
        .comment-form input[type="text"]:focus {
            border-color: #facc15;
            background: #ffffff;
            outline: none;
        }
        .comment-form button {
            padding: 12px 28px;
            background: #0f172a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 8px;
        }
        .comment-form button:hover {
            background: #1e293b;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            color: #cbd5e1;
            cursor: pointer;
            margin: 12px 0 8px;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: color 0.15s, transform 0.1s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #facc15;
            transform: scale(1.12);
        }
        .rating-section button {
            padding: 12px 28px;
            background: #facc15;
            color: #0f172a;
            border: none;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 8px;
        }
        .rating-section button:hover {
            background: #fde047;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        .site-footer h4 {
            color: #f1f5f9;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #94a3b8;
            display: inline-block;
            padding: 2px 0;
        }
        .site-footer a:hover {
            color: #facc15;
        }
        friend-link {
            display: block;
            margin: 6px 0;
        }
        friend-link a {
            color: #94a3b8;
        }
        friend-link a:hover {
            color: #facc15;
        }
        .copyright {
            border-top: 1px solid #1e293b;
            padding-top: 20px;
            margin-top: 28px;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }
        .copyright a {
            color: #94a3b8;
        }
        .copyright a:hover {
            color: #facc15;
        }
        @media (max-width: 860px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 12px;
            }
            .nav-toggle:checked~.main-nav {
                display: flex;
                flex-direction: column;
            }
            .feedback-row {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .search-form input[type="text"] {
                width: 100%;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 14px;
            }
        }
        .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: 6px;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .word-badge {
            display: inline-block;
            background: #facc15;
            color: #0f172a;
            padding: 2px 14px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
        }
        hr {
            border: none;
            border-top: 2px solid #e2e8f0;
            margin: 32px 0;
        }