*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f9f6f0;
            color: #2d2a24;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 16px;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.2s ease;
            font-weight: 500;
        }
        a:hover,
        a:focus {
            color: #8a2e22;
            text-decoration: underline;
            outline: none;
        }
        a:focus-visible {
            outline: 3px solid #f5b342;
            outline-offset: 2px;
            border-radius: 4px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
            margin: 0.8rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
            color: #1e1b16;
        }
        h1 {
            font-size: 2.4rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 4px solid #f5b342;
            padding-bottom: 0.2rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin: 0.8rem 0 1.2rem;
        }
        strong {
            font-weight: 700;
            color: #1e1b16;
        }
        .container {
            width: 100%;
            padding: 0 4px;
        }
        header {
            padding: 20px 0 10px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-bottom: 2px solid #e8ddd0;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #f5b342 0%, #c44536 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo i {
            -webkit-text-fill-color: #c44536;
            font-size: 1.8rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #2d2a24;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #e8ddd0;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 20px;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            font-weight: 500;
            padding: 6px 2px;
            font-size: 0.95rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            border-bottom-color: #f5b342;
            text-decoration: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.85rem;
            padding: 12px 0 6px;
            color: #6b5e50;
            list-style: none;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #b8a99a;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #6b5e50;
            font-weight: 400;
        }
        .breadcrumb a:hover {
            color: #c44536;
        }
        .hero-img {
            margin: 24px 0 32px;
            border-radius: 20px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
            width: 100%;
            background: #e8ddd0;
        }
        .search-section {
            background: #fff9f0;
            padding: 24px 20px;
            border-radius: 20px;
            margin: 32px 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8ddd0;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 12px 18px;
            border: 2px solid #e0d4c6;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s, box-shadow 0.2s;
            outline: none;
        }
        .search-form input[type="text"]:focus {
            border-color: #f5b342;
            box-shadow: 0 0 0 4px rgba(245, 179, 66, 0.15);
        }
        .search-form button {
            padding: 12px 30px;
            background: #c44536;
            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: #8a2e22;
            transform: scale(0.98);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        .card {
            background: #fffcf7;
            border-radius: 20px;
            padding: 24px 20px;
            border: 1px solid #e8ddd0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
        }
        .card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .card textarea,
        .card select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0d4c6;
            border-radius: 16px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fff;
            resize: vertical;
            transition: border-color 0.2s;
            outline: none;
        }
        .card textarea:focus,
        .card select:focus {
            border-color: #f5b342;
            box-shadow: 0 0 0 4px rgba(245, 179, 66, 0.1);
        }
        .card textarea {
            min-height: 80px;
        }
        .card .btn-submit {
            align-self: flex-start;
            padding: 10px 28px;
            background: #f5b342;
            color: #1e1b16;
            border: none;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .card .btn-submit:hover {
            background: #e09e2f;
            transform: scale(0.98);
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            color: #e8ddd0;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .toc {
            background: #fffcf7;
            border: 1px solid #e8ddd0;
            border-radius: 20px;
            padding: 20px 24px;
            margin: 28px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
        }
        .toc summary {
            font-weight: 700;
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 4px 0;
        }
        .toc ol {
            margin: 14px 0 4px;
            padding-left: 1.8rem;
            columns: 1;
        }
        .toc li {
            margin-bottom: 6px;
        }
        .toc a {
            color: #2d2a24;
            font-weight: 400;
        }
        .toc a:hover {
            color: #c44536;
        }
        .content section {
            margin: 40px 0;
        }
        .highlight-box {
            background: #fffcf7;
            border-left: 6px solid #f5b342;
            padding: 16px 20px;
            border-radius: 0 16px 16px 0;
            margin: 20px 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .stat-item {
            background: #fffcf7;
            border-radius: 16px;
            padding: 16px 12px;
            text-align: center;
            border: 1px solid #e8ddd0;
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #c44536;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #6b5e50;
            margin-top: 2px;
        }
        .interview {
            background: #f4ede5;
            border-radius: 20px;
            padding: 24px;
            margin: 24px 0;
            border: 1px solid #e0d4c6;
        }
        .interview .speaker {
            font-weight: 700;
            color: #c44536;
        }
        .interview .quote {
            font-style: italic;
            padding-left: 16px;
            border-left: 4px solid #f5b342;
            margin: 10px 0;
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: #6b5e50;
            background: #f4ede5;
            padding: 4px 16px;
            border-radius: 40px;
            margin: 12px 0 4px;
        }
        friend-link {
            display: block;
            padding: 24px 0 12px;
            border-top: 2px solid #e8ddd0;
            margin-top: 40px;
        }
        friend-link .fl-head {
            font-weight: 700;
            font-size: 1rem;
            color: #6b5e50;
            margin-bottom: 10px;
            display: block;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        friend-link .fl-list a {
            font-weight: 400;
            font-size: 0.9rem;
            color: #6b5e50;
        }
        friend-link .fl-list a:hover {
            color: #c44536;
        }
        footer {
            padding: 24px 0 40px;
            text-align: center;
            font-size: 0.85rem;
            color: #6b5e50;
            border-top: 1px solid #e8ddd0;
            margin-top: 20px;
        }
        footer .copyright {
            letter-spacing: 0.02em;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 12px 0 6px;
                gap: 4px;
                border-top: 1px solid #e8ddd0;
                margin-top: 10px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu li a {
                display: block;
                padding: 10px 8px;
                border-bottom: 1px solid #f0e8de;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .toc ol {
                columns: 1;
            }
            header {
                padding: 12px 0 6px;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        @media (min-width: 769px) {
            .nav-menu {
                display: flex !important;
            }
            .toc ol {
                columns: 2;
            }
        }
        @media (min-width: 1024px) {
            .feedback-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 0.8rem;
        }
        .mb-1 {
            margin-bottom: 0.8rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }