*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            min-height: 100vh;
        }
        a {
            color: #e63946;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #b71c1c;
            text-decoration: underline;
            outline: 2px solid #e63946;
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0d1b2a;
            margin: 1.8em 0 0.6em 0;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4em;
            border-left: 6px solid #e63946;
            padding-left: 20px;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #eaeef2;
            padding-bottom: 0.3em;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin: 1.2em 0;
            font-size: 1.05rem;
        }
        strong,
        b {
            font-weight: 700;
            color: #1a1a2e;
        }
        .container {
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
            padding: 24px 28px;
            margin: 20px 0 40px 0;
        }
        .highlight-box {
            background: #f0f4ff;
            border-left: 5px solid #e63946;
            padding: 18px 24px;
            border-radius: 0 12px 12px 0;
            margin: 1.8em 0;
        }
        .emoji-big {
            font-size: 1.8rem;
            margin-right: 8px;
        }
        .badge {
            display: inline-block;
            background: #e63946;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 30px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0 12px 0;
            border-bottom: 1px solid #e2e8f0;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #0d1b2a;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #e63946, #b71c1c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: #e63946;
            font-size: 1.7rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-links {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            color: #1a1a2e;
            background: transparent;
            transition: background 0.2s, color 0.2s;
        }
        .nav-links li a:hover,
        .nav-links li a:focus-visible {
            background: #e63946;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1a1a2e;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0f0f0;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 14px 0 4px 0;
            margin: 0;
            font-size: 0.85rem;
            color: #5a6a7a;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 10px;
            color: #b0b8c4;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #5a6a7a;
        }
        .breadcrumb a:hover {
            color: #e63946;
        }
        .breadcrumb .current {
            color: #1a1a2e;
            font-weight: 600;
        }
        .search-section {
            margin: 28px 0 10px 0;
        }
        .search-form {
            display: flex;
            max-width: 520px;
            border-radius: 60px;
            overflow: hidden;
            border: 2px solid #e2e8f0;
            background: #fff;
            transition: border-color 0.25s;
        }
        .search-form:focus-within {
            border-color: #e63946;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 1rem;
            outline: none;
            background: transparent;
        }
        .search-form button {
            background: #e63946;
            color: #fff;
            border: none;
            padding: 0 24px;
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.25s;
        }
        .search-form button:hover {
            background: #b71c1c;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        .interaction-card {
            background: #f9faff;
            border-radius: 20px;
            padding: 22px 26px;
            border: 1px solid #eef2f7;
        }
        .interaction-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 12px 0 16px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f59e0b;
        }
        .comment-form textarea {
            width: 100%;
            border: 2px solid #e2e8f0;
            border-radius: 14px;
            padding: 14px 16px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 80px;
            font-family: inherit;
            transition: border-color 0.25s;
            background: #fff;
        }
        .comment-form textarea:focus {
            border-color: #e63946;
            outline: none;
        }
        .btn-primary {
            background: #e63946;
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        friend-link {
            display: block;
            margin: 30px 0 12px 0;
            padding: 18px 0;
            border-top: 1px solid #e2e8f0;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 0;
        }
        .site-footer {
            padding: 28px 0 36px 0;
            border-top: 1px solid #e2e8f0;
            margin-top: 20px;
            font-size: 0.9rem;
            color: #5a6a7a;
            text-align: center;
        }
        .site-footer .copyright {
            margin-top: 12px;
            font-weight: 400;
            letter-spacing: 0.2px;
        }
        @media (max-width: 800px) {
            body {
                padding: 0 14px;
            }
            .container {
                padding: 16px 18px;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 14px;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                border-radius: 16px;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
                padding: 12px 0;
                margin-top: 12px;
                border: 1px solid #eef2f7;
            }
            .nav-links li a {
                padding: 12px 20px;
                border-radius: 0;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked+.hamburger+.nav-links {
                display: flex;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 12px 14px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .search-form input {
                padding: 10px 14px;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0 16px;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        @media print {
            .search-section,
            .interaction-grid,
            .hamburger,
            .nav-links {
                display: none !important;
            }
            body {
                background: #fff;
                padding: 0.5in;
                font-size: 12pt;
            }
            .container {
                box-shadow: none;
                border-radius: 0;
                padding: 0;
            }
            a {
                color: #000;
                text-decoration: underline;
            }
        }
        section,
        article,
        .anchor-offset {
            scroll-margin-top: 30px;
        }
        .text-small {
            font-size: 0.9rem;
            color: #5a6a7a;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .gap-8 {
            gap: 8px;
        }
        .fw-700 {
            font-weight: 700;
        }
        .color-accent {
            color: #e63946;
        }
        .list-unstyled {
            list-style: none;
            padding-left: 0;
        }