*,
        *::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, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f7f2;
            color: #1e2a2f;
            line-height: 1.75;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #b4532d;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #7a2e14;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            color: #1e2a2f;
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 2.4rem;
            margin: 1.2rem 0 0.8rem;
            border-bottom: 4px solid #d97736;
            display: inline-block;
            padding-bottom: 0.2rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.2rem 0 1rem 0;
            color: #2d3e44;
            border-left: 6px solid #d97736;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.6rem 0 0.6rem 0;
            color: #3d535a;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.4rem 0;
            color: #4d676e;
        }
        p {
            margin: 0.8rem 0;
            font-size: 1.05rem;
        }
        strong {
            color: #1e2a2f;
        }
        .container {
            background: #ffffff;
            border-radius: 24px 24px 12px 12px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
            padding: 1.2rem 1.8rem 2.5rem;
            margin: 1.2rem 0 2.5rem;
        }
        hr {
            border: none;
            border-top: 2px dashed #e2dcd0;
            margin: 2rem 0;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.2rem 0;
            border-bottom: 2px solid #e8e0d4;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #2d3e44;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #d97736, #b4532d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            padding: 0.2rem 0;
            display: inline-block;
            text-decoration: none;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #6d7f86;
            color: #6d7f86;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: #1e2a2f;
            cursor: pointer;
            padding: 0.4rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #f0ebe3;
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.8rem 1.6rem;
        }
        nav a {
            font-weight: 500;
            font-size: 0.98rem;
            color: #3d535a;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        nav a:hover {
            border-bottom-color: #d97736;
            color: #1e2a2f;
            text-decoration: none;
        }
        .nav-hamburger {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0;
            margin: 0.2rem 0 0.6rem;
            font-size: 0.9rem;
            color: #6d7f86;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #b0a89a;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #6d7f86;
        }
        .breadcrumb a:hover {
            color: #b4532d;
        }
        .breadcrumb .current {
            color: #1e2a2f;
            font-weight: 600;
        }
        .search-box {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin: 1.6rem 0 1.2rem;
            background: #f4f0ea;
            padding: 0.8rem 1.2rem;
            border-radius: 40px;
            align-items: center;
        }
        .search-box i {
            color: #b4532d;
            font-size: 1.2rem;
        }
        .search-box input {
            flex: 1;
            min-width: 140px;
            border: none;
            background: transparent;
            font-size: 1rem;
            padding: 0.4rem 0;
            outline: none;
            font-family: inherit;
            color: #1e2a2f;
        }
        .search-box input::placeholder {
            color: #9b8f7e;
        }
        .search-box button {
            background: #d97736;
            border: none;
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 1.6rem;
            border-radius: 40px;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background 0.25s;
            font-family: inherit;
        }
        .search-box button:hover {
            background: #b4532d;
        }
        .feature-img {
            margin: 1.8rem 0 2rem;
            border-radius: 16px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }
        .feature-img figcaption {
            font-size: 0.9rem;
            color: #6d7f86;
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .user-feedback {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem 2.5rem;
            margin: 2.8rem 0 1.8rem;
            padding: 1.8rem 1.5rem;
            background: #f9f6f0;
            border-radius: 20px;
            border: 1px solid #e8e0d4;
        }
        .feedback-section {
            flex: 1 1 240px;
        }
        .feedback-section h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-section form {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            margin-top: 0.6rem;
        }
        .feedback-section input,
        .feedback-section textarea,
        .feedback-section select {
            width: 100%;
            padding: 0.6rem 0.8rem;
            border: 1px solid #d6cdbe;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
        }
        .feedback-section input:focus,
        .feedback-section textarea:focus,
        .feedback-section select:focus {
            border-color: #d97736;
            outline: none;
        }
        .feedback-section textarea {
            min-height: 72px;
            resize: vertical;
        }
        .feedback-section button {
            background: #2d3e44;
            border: none;
            color: #fff;
            font-weight: 600;
            padding: 0.6rem 1.4rem;
            border-radius: 40px;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background 0.25s;
            font-family: inherit;
            align-self: flex-start;
        }
        .feedback-section button:hover {
            background: #1e2a2f;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #d6cdbe;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #d97736;
        }
        friend-link {
            display: block;
            padding: 1.4rem 1.2rem;
            margin: 2rem 0 0.8rem;
            background: #f4f0ea;
            border-radius: 16px;
            font-size: 0.98rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 0.8rem 0.3rem 0;
            padding: 0.25rem 0.8rem;
            background: #fff;
            border-radius: 30px;
            border: 1px solid #d6cdbe;
            font-weight: 500;
            transition: background 0.2s, border-color 0.2s;
        }
        friend-link a:hover {
            background: #d97736;
            color: #fff;
            border-color: #d97736;
            text-decoration: none;
        }
        footer {
            text-align: center;
            padding: 1.8rem 0.5rem 1rem;
            color: #6d7f86;
            font-size: 0.9rem;
            border-top: 2px solid #e8e0d4;
            margin-top: 2rem;
        }
        footer p {
            margin: 0.25rem 0;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 0.8rem 1rem 1.8rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            header {
                padding: 0.6rem 0 0.2rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.2rem;
                padding: 0.8rem 0 0.4rem;
                background: #fff;
                border-radius: 0 0 16px 16px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 0.5rem 0.8rem;
                border-bottom: 1px solid #f0ebe3;
                font-size: 1rem;
            }
            .nav-hamburger {
                display: block;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .search-box {
                flex-direction: column;
                align-items: stretch;
                padding: 0.8rem;
                border-radius: 20px;
            }
            .search-box button {
                width: 100%;
            }
            .user-feedback {
                flex-direction: column;
                gap: 1.5rem;
                padding: 1.2rem 1rem;
            }
            .feedback-section {
                flex: 1 1 auto;
            }
            friend-link a {
                display: block;
                margin: 0.4rem 0;
                text-align: center;
            }
        }
        @media (min-width: 769px) {
            .nav-toggle {
                display: none !important;
            }
            nav {
                display: flex !important;
            }
        }
        .badge {
            display: inline-block;
            background: #d97736;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .highlight-box {
            background: #fcf9f4;
            border-left: 5px solid #d97736;
            padding: 1rem 1.4rem;
            border-radius: 0 14px 14px 0;
            margin: 1.2rem 0;
        }
        .emoji-lg {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #8f7e6a;
            text-align: right;
            margin-top: -0.4rem;
            margin-bottom: 0.8rem;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
            background: #fcfaf6;
            border-radius: 12px;
            overflow: hidden;
        }
        .data-table th {
            background: #2d3e44;
            color: #fff;
            font-weight: 600;
            padding: 0.7rem 1rem;
            text-align: left;
        }
        .data-table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #e8e0d4;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f4efe7;
        }