*,
        *::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: #f8f6f0;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #b38b5b;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #7a5c3a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.25;
            color: #1e1e2a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
            border-bottom: 4px solid #b38b5b;
            padding-bottom: 0.3rem;
            display: inline-block;
        }
        h2 {
            font-size: 2rem;
            border-left: 6px solid #b38b5b;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 500;
            color: #3d3d4a;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.4rem 1.8rem;
        }
        li {
            margin-bottom: 0.35rem;
        }
        .container {
            background: #ffffff;
            border-radius: 24px;
            padding: 2rem 2.5rem;
            margin: 1.5rem 0 2.5rem;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.04);
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.6rem;
            border-bottom: 2px solid #e8e2d6;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #b38b5b, #7a5c3a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.75rem;
            -webkit-text-fill-color: #5a5a6a;
            color: #5a5a6a;
            font-weight: 400;
            display: block;
            letter-spacing: 0.2px;
        }
        .my-logo a {
            text-decoration: none;
            color: inherit;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            flex-wrap: wrap;
        }
        nav a {
            font-weight: 500;
            font-size: 1rem;
            padding: 0.3rem 0;
            position: relative;
            color: #2e2e3a;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 3px;
            background: #b38b5b;
            transition: width 0.3s ease;
        }
        nav a:hover::after,
        nav a:focus-visible::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            color: #1e1e2a;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            transition: color 0.2s;
        }
        .hamburger:hover {
            color: #b38b5b;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            font-size: 0.9rem;
            padding: 0.8rem 0 0.2rem;
            color: #6a6a7a;
            list-style: none;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #b38b5b;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #6a6a7a;
        }
        .breadcrumb a:hover {
            color: #b38b5b;
        }
        .search-box {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin: 2rem 0 1.2rem;
            max-width: 580px;
        }
        .search-box input {
            flex: 1 1 240px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #ddd8ce;
            border-radius: 40px;
            font-size: 1rem;
            background: #fcfaf7;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .search-box input:focus {
            outline: none;
            border-color: #b38b5b;
            box-shadow: 0 0 0 4px rgba(179, 139, 91, 0.15);
        }
        .search-box button {
            background: #b38b5b;
            border: none;
            color: #fff;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover {
            background: #7a5c3a;
            transform: translateY(-2px);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #fcfaf7;
            border: 1px solid #e8e2d6;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            transition: box-shadow 0.3s;
        }
        .feedback-card:hover {
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.04);
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #ddd8ce;
            border-radius: 14px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            outline: none;
            border-color: #b38b5b;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card button {
            align-self: flex-start;
            background: #1e1e2a;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .feedback-card button:hover {
            background: #b38b5b;
            transform: translateY(-2px);
        }
        .stars {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #e0d6c8;
            cursor: pointer;
            direction: rtl;
        }
        .stars input {
            display: none;
        }
        .stars label {
            transition: color 0.2s;
            color: #e0d6c8;
        }
        .stars label:hover,
        .stars label:hover~label,
        .stars input:checked~label {
            color: #f5c542;
        }
        .featured-img {
            margin: 2rem 0;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .featured-img figcaption {
            background: #fcfaf7;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #5a5a6a;
            border-top: 1px solid #e8e2d6;
            font-style: italic;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0 0.8rem;
            border-top: 2px solid #e8e2d6;
            margin-top: 2rem;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1.2rem 0.3rem 0;
            padding: 0.3rem 0.8rem;
            background: #f0ece4;
            border-radius: 30px;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: #b38b5b;
            color: #fff;
            text-decoration: none;
        }
        friend-link .label {
            font-weight: 600;
            color: #3d3d4a;
            margin-right: 0.8rem;
        }
        footer {
            padding: 2rem 0 1.5rem;
            text-align: center;
            color: #5a5a6a;
            font-size: 0.9rem;
            border-top: 2px solid #e8e2d6;
            margin-top: 2rem;
        }
        footer .copyright {
            margin-top: 0.6rem;
            letter-spacing: 0.3px;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 1.5rem 1.2rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 720px) {
            .hamburger {
                display: block;
            }
            nav {
                width: 100%;
                flex-direction: column;
                gap: 0.2rem;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease, padding 0.3s ease;
                padding: 0;
            }
            #nav-toggle:checked~nav {
                max-height: 600px;
                padding: 1rem 0 0.6rem;
            }
            nav a {
                width: 100%;
                padding: 0.6rem 0;
                border-bottom: 1px solid #f0ece4;
            }
            nav a::after {
                display: none;
            }
            header {
                align-items: flex-start;
            }
            .my-logo {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 1rem 0.8rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.3rem;
                border-left-width: 4px;
                padding-left: 0.6rem;
            }
            .search-box button {
                padding: 0.7rem 1.2rem;
                font-size: 0.9rem;
            }
            .feedback-card {
                padding: 1.2rem 1rem;
            }
            .stars {
                font-size: 1.5rem;
            }
        }
        .badge {
            display: inline-block;
            background: #b38b5b10;
            color: #7a5c3a;
            padding: 0.1rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: 1px solid #b38b5b30;
        }
        .separator {
            height: 2px;
            background: linear-gradient(to right, transparent, #b38b5b40, transparent);
            margin: 2.2rem 0;
        }
        .highlight {
            background: #faf3e8;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 500;
        }
        .table-of-contents {
            background: #fcfaf7;
            border: 1px solid #e8e2d6;
            border-radius: 18px;
            padding: 1.5rem 2rem;
            margin: 1.5rem 0 2.5rem;
        }
        .table-of-contents ol {
            margin: 0.4rem 0 0 1.2rem;
            columns: 2 220px;
        }
        .table-of-contents li {
            break-inside: avoid;
            margin-bottom: 0.3rem;
        }
        .table-of-contents a {
            font-weight: 500;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #8a8a9a;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin: 0.4rem 0 0.8rem;
        }
        .last-updated i {
            color: #b38b5b;
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #1e1e2a;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
            transition: background 0.25s, transform 0.2s;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            background: #b38b5b;
            transform: translateY(-4px);
        }