        *,
        *::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: #f7f9fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem 2rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #e95f2a;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #b23d0e;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0f172a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 3px solid #e95f2a;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.3rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #334155;
        }
        p {
            margin-bottom: 1.1rem;
            font-size: 1.05rem;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
            padding: 1.5rem 2rem 2.5rem;
        }
        @media (max-width: 640px) {
            body {
                padding: 0 0.4rem 1.2rem;
            }
            .container {
                padding: 1rem 1rem 1.8rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            p {
                font-size: 1rem;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 0 1rem;
            border-bottom: 2px solid #e9edf2;
            margin-bottom: 1.2rem;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #e95f2a, #d94f1e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            text-decoration: none !important;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .my-logo span {
            font-weight: 300;
            color: #64748b;
            -webkit-text-fill-color: #64748b;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .nav-list li a {
            display: block;
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.92rem;
            color: #1e293b;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover,
        .nav-list li a:focus-visible {
            background: #e95f2a15;
            color: #e95f2a;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e293b;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f1f5f9;
        }
        #nav-toggle {
            display: none;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                border-radius: 16px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
                padding: 0.8rem 0.4rem;
                margin-top: 0.8rem;
                border: 1px solid #e9edf2;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                z-index: 100;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .nav-list li a {
                padding: 0.7rem 1.2rem;
                border-radius: 12px;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0 0.8rem;
            margin: 0 0 0.6rem;
            font-size: 0.88rem;
            color: #64748b;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #e95f2a;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #1e293b;
            font-weight: 500;
        }
        .feature-figure {
            margin: 1.8rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #f1f5f9;
            padding: 0.6rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .feature-figure img {
            border-radius: 12px;
            width: 100%;
        }
        .feature-figure figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #475569;
            padding: 0.6rem 0.2rem 0.2rem;
            font-style: italic;
        }
        .search-section {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.2rem 1.6rem;
            margin: 2rem 0;
            border: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #ffffff;
        }
        .search-form input[type="text"]:focus {
            border-color: #e95f2a;
        }
        .search-form button {
            background: #e95f2a;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #d04a1a;
            transform: scale(1.02);
        }
        .search-form button:active {
            transform: scale(0.97);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.2rem 0 1.8rem;
        }
        @media (max-width: 680px) {
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }
        .card-box {
            background: #f8fafc;
            border-radius: 20px;
            padding: 1.4rem 1.6rem 1.8rem;
            border: 1px solid #e2e8f0;
            transition: box-shadow 0.2s;
        }
        .card-box:hover {
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
        }
        .card-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.2rem;
        }
        .card-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.6rem;
        }
        .card-box textarea,
        .card-box input[type="number"],
        .card-box input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
            background: #ffffff;
        }
        .card-box textarea:focus,
        .card-box input:focus {
            border-color: #e95f2a;
        }
        .card-box textarea {
            min-height: 80px;
            resize: vertical;
        }
        .card-box button {
            align-self: flex-start;
            background: #e95f2a;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.6rem 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .card-box button:hover {
            background: #d04a1a;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 0.2rem;
            font-size: 1.6rem;
            color: #facc15;
            cursor: pointer;
            direction: rtl;
            unicode-bidi: bidi-override;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: transform 0.15s;
            color: #cbd5e1;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #facc15;
            transform: scale(1.1);
        }
        .star-rating label i {
            font-size: 1.8rem;
        }
        friend-link {
            display: block;
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.2rem 1.6rem;
            margin: 2.2rem 0 1rem;
            font-style: normal;
            border: 1px solid #e2e8f0;
        }
        friend-link a {
            display: inline-block;
            padding: 0.2rem 0.6rem;
            margin: 0.2rem 0.1rem;
            font-weight: 500;
        }
        friend-link a::after {
            content: "·";
            color: #94a3b8;
            margin-left: 0.6rem;
        }
        friend-link a:last-child::after {
            content: "";
            margin: 0;
        }
        .site-footer {
            border-top: 2px solid #e9edf2;
            padding: 1.6rem 0 0.8rem;
            margin-top: 2.4rem;
            text-align: center;
            font-size: 0.9rem;
            color: #64748b;
        }
        .site-footer .copyright {
            font-weight: 400;
            letter-spacing: 0.2px;
        }
        .site-footer .copyright strong {
            color: #1e293b;
        }
        .badge {
            display: inline-block;
            background: #e95f2a10;
            color: #e95f2a;
            font-weight: 600;
            font-size: 0.75rem;
            padding: 0.15rem 0.7rem;
            border-radius: 40px;
            letter-spacing: 0.3px;
        }
        .emoji-lg {
            font-size: 1.3rem;
        }
        .highlight-box {
            background: #fef9ef;
            border-left: 5px solid #e95f2a;
            padding: 1rem 1.4rem;
            border-radius: 0 12px 12px 0;
            margin: 1.4rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.4rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.98rem;
            background: #f8fafc;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #e95f2a10;
            font-weight: 700;
            color: #0f172a;
        }
        tr:last-child td {
            border-bottom: none;
        }
        @media (max-width: 560px) {
            table {
                font-size: 0.88rem;
            }
            th,
            td {
                padding: 0.5rem 0.6rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #e95f2a;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 6px 20px rgba(233, 95, 42, 0.3);
            transition: transform 0.2s, opacity 0.2s;
            border: none;
            cursor: pointer;
            z-index: 50;
            opacity: 0.85;
        }
        .scroll-top:hover {
            transform: translateY(-4px);
            opacity: 1;
        }
        @media (max-width: 480px) {
            .scroll-top {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                bottom: 1.2rem;
                right: 1.2rem;
            }
        }
        .author-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: #475569;
            margin-bottom: 1.2rem;
            padding: 0.6rem 0;
            border-bottom: 1px dashed #e2e8f0;
        }
        .author-meta i {
            color: #e95f2a;
        }
        .last-updated {
            font-weight: 600;
            color: #0f172a;
        }
.hamburger {
                display: block !important;
            }
            .nav-list {
                display: none !important;
            }
            #nav-toggle:checked~.nav-list {
                display: flex !important;
            }
