*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #faf9f6;
            color: #1e1e2a;
            line-height: 1.75;
            padding: 0 1rem;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            color: #1a1a2e;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #e67e22;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #e67e22;
            padding-left: 0.9rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.15rem;
            color: #34495e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #ffffff;
            padding: 1.5rem 2rem;
            border-radius: 20px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .badge {
            display: inline-block;
            background: #e67e22;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.9rem;
            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: 1.2rem 0 0.8rem;
            border-bottom: 2px solid #eee;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #e67e22, #c0392b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #e67e22;
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .nav-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.3rem 1.2rem;
            padding: 0;
        }
        .nav-list a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.4rem 0.2rem;
            color: #2c3e50;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-list a:hover {
            border-bottom-color: #e67e22;
            color: #1a1a2e;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1a1a2e;
            padding: 0.2rem 0.4rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0ebe3;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            font-size: 0.85rem;
            color: #7f8c8d;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #bdc3c7;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #c0392b;
        }
        .search-section {
            background: #f4f1ec;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem 1.5rem;
        }
        .search-section label {
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
            flex: 1 1 300px;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #e67e22;
            outline: none;
        }
        .search-form button {
            background: #e67e22;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.6rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #c0392b;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.8rem;
            margin: 1.5rem 0;
        }
        .card {
            background: #fdfcfb;
            border: 1px solid #ece8e0;
            border-radius: 16px;
            padding: 1.6rem 1.4rem;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
        }
        .card h3 {
            margin-top: 0;
        }
        .card i {
            color: #e67e22;
            margin-right: 0.4rem;
        }
        .interactive-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .rating-box,
        .comment-box {
            background: #f8f6f2;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            border: 1px solid #e6dfd6;
        }
        .rating-box h3,
        .comment-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .star-group {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #e67e22;
            cursor: pointer;
            margin: 0.6rem 0 1rem;
        }
        .star-group i {
            transition: transform 0.15s, color 0.15s;
        }
        .star-group i:hover {
            transform: scale(1.2);
            color: #c0392b;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 90px;
            transition: border 0.2s;
        }
        .comment-box textarea:focus {
            border-color: #e67e22;
            outline: none;
        }
        .btn {
            background: #e67e22;
            color: #fff;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn:hover {
            background: #c0392b;
        }
        .btn-sm {
            padding: 0.4rem 1.2rem;
            font-size: 0.85rem;
        }
        .feature-img {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            background: #f0ebe3;
            text-align: center;
        }
        .feature-img figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            color: #5a5a6e;
            font-style: italic;
            background: #faf9f6;
        }
        .site-footer {
            margin-top: 3rem;
            padding: 2rem 0 1.5rem;
            border-top: 3px solid #eee;
            font-size: 0.9rem;
            color: #5a5a6e;
        }
        .site-footer friend-link {
            display: block;
            margin: 1rem 0;
            font-weight: 600;
        }
        .site-footer friend-link a {
            color: #c0392b;
            margin: 0 0.5rem 0 0;
            display: inline-block;
        }
        .footer-flex {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .copyright {
            font-size: 0.85rem;
            color: #7f8c8d;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 1rem 1rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .site-header {
                flex-wrap: wrap;
            }
            .hamburger {
                display: inline-block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                padding: 1rem 0 0.6rem;
                border-top: 1px solid #eee;
                margin-top: 0.8rem;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .nav-list a {
                padding: 0.6rem 0.4rem;
                border-bottom: 1px solid #f0ebe3;
            }
            .interactive-area {
                grid-template-columns: 1fr;
            }
            .search-section {
                padding: 1.2rem 1.2rem;
                flex-direction: column;
                align-items: stretch;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .footer-flex {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .card {
                padding: 1.2rem 1rem;
            }
            .star-group {
                font-size: 1.5rem;
            }
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-muted {
            color: #7f8c8d;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, #e67e22, transparent);
            margin: 2rem 0;
        }
        .hidden-schema {
            display: none;
        }
        section {
            scroll-margin-top: 1.5rem;
        }