*,
        *::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: #f4f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #78350f;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #1e293b;
            margin: 1.6rem 0 0.8rem;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1e293b;
            margin: 2.4rem 0 0.8rem;
            padding-bottom: 0.3rem;
            border-bottom: 3px solid #f59e0b;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #334155;
            margin: 1.8rem 0 0.6rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #475569;
            margin: 1.2rem 0 0.4rem;
        }
        p {
            margin: 0.9rem 0;
            color: #1e293b;
        }
        .text-muted {
            color: #64748b;
            font-size: 0.95rem;
        }
        .text-small {
            font-size: 0.9rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            border-bottom: 2px solid #e2e8f0;
            position: relative;
            background: #ffffff;
            border-radius: 0 0 16px 16px;
            margin-bottom: 0.5rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #d97706;
            font-size: 2rem;
        }
        .my-logo small {
            font-size: 0.75rem;
            font-weight: 400;
            color: #64748b;
            -webkit-text-fill-color: #64748b;
            display: block;
            margin-top: 2px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #d97706;
            border-radius: 8px;
            padding: 8px 14px;
            font-size: 1.6rem;
            color: #d97706;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #fef3c7;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
        }
        .main-nav a {
            font-weight: 600;
            color: #334155;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover {
            border-bottom-color: #f59e0b;
            color: #1e293b;
            text-decoration: none;
        }
        .main-nav .active {
            border-bottom-color: #f59e0b;
            color: #d97706;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0;
            margin: 0 0 0.5rem;
            font-size: 0.9rem;
            color: #64748b;
            background: #f1f5f9;
            border-radius: 10px;
            padding: 0.6rem 1rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 10px;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #b45309;
        }
        .breadcrumb a:hover {
            color: #78350f;
        }
        .container {
            background: #ffffff;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 1rem 0 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
        }
        .row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .col-8 {
            flex: 2;
            min-width: 280px;
        }
        .col-4 {
            flex: 1;
            min-width: 220px;
        }
        .feature-img {
            margin: 1.8rem 0;
            border-radius: 16px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
        }
        .form-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            margin: 1.8rem 0;
            border: 1px solid #e2e8f0;
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin: 1rem 0;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: #1e293b;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: 0.2s;
            background: #ffffff;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #f59e0b;
            outline: none;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 12px 32px;
            background: #d97706;
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            transition: 0.25s;
        }
        .btn:hover {
            background: #b45309;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(217, 119, 6, 0.25);
        }
        .btn-secondary {
            background: #334155;
        }
        .btn-secondary:hover {
            background: #1e293b;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #cbd5e1;
            transition: 0.1s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .sidebar-links {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.4rem 1.6rem;
            border: 1px solid #e2e8f0;
            position: sticky;
            top: 1rem;
        }
        .sidebar-links h4 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #f59e0b;
            padding-bottom: 8px;
        }
        .sidebar-links ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0;
        }
        .sidebar-links li {
            margin: 0.5rem 0;
        }
        .sidebar-links a {
            display: block;
            padding: 6px 0;
            font-weight: 500;
            border-bottom: 1px solid #e2e8f0;
            transition: 0.15s;
        }
        .sidebar-links a:hover {
            padding-left: 8px;
            color: #d97706;
            text-decoration: none;
        }
        friend-link {
            display: block;
            padding: 1.6rem 0;
            border-top: 2px solid #e2e8f0;
            margin-top: 2rem;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            list-style: none;
            padding: 0;
            margin: 0.6rem 0 0;
        }
        friend-link a {
            font-weight: 500;
            color: #334155;
        }
        friend-link a:hover {
            color: #d97706;
        }
        .site-footer {
            padding: 1.6rem 0 2.4rem;
            border-top: 2px solid #e2e8f0;
            margin-top: 1rem;
            text-align: center;
            color: #64748b;
            font-size: 0.9rem;
        }
        .site-footer .copyright {
            font-weight: 500;
            margin-top: 0.8rem;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 8px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .container {
                padding: 1rem 1.2rem;
            }
            .site-header {
                padding: 0.8rem 0;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 6px;
                padding: 1rem 0 0.4rem;
                border-top: 1px solid #e2e8f0;
                margin-top: 0.6rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 1rem;
                padding: 8px 0;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 0.4rem 0.8rem;
            }
            .row {
                flex-direction: column;
                gap: 1.2rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            .sidebar-links {
                position: static;
            }
            .form-card {
                padding: 1.2rem;
            }
            friend-link ul {
                flex-direction: column;
                gap: 6px;
            }
        }
        @media (min-width: 769px) {
            .nav-toggle {
                display: none !important;
            }
            .main-nav {
                display: flex !important;
            }
        }
        .badge {
            display: inline-block;
            background: #f59e0b;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, #f59e0b, transparent);
            margin: 1.6rem 0;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f59e0b;
            padding: 1rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.4rem 0;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .last-updated {
            display: inline-block;
            background: #f1f5f9;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #475569;
        }
        .comment-item {
            padding: 1rem 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 700;
            color: #1e293b;
        }
        .comment-time {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-left: 12px;
        }
        .comment-text {
            margin: 0.3rem 0 0;
        }