*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f2eb;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8b6508;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #1a1a2e;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #b8860b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #b8860b;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #2d2d44;
        }
        h4 {
            font-size: 1.1rem;
            color: #3a3a5c;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            background: #ffffff;
            border-radius: 20px;
            padding: 2rem 2.5rem;
            margin: 1.5rem 0 2.5rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .badge {
            display: inline-block;
            background: #b8860b;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.8rem;
            border-radius: 30px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #666;
            margin-bottom: 2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .last-updated i {
            color: #b8860b;
        }
        blockquote {
            border-left: 5px solid #b8860b;
            background: #faf6ef;
            padding: 1rem 1.8rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #3a3a3a;
        }
        .feature-box {
            background: #f8f4ed;
            padding: 1.5rem;
            border-radius: 16px;
            margin: 1.5rem 0;
            border: 1px solid #e8dfd0;
        }
        .btn {
            display: inline-block;
            background: #b8860b;
            color: #fff;
            padding: 0.6rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            transition: background 0.25s, transform 0.15s;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
        }
        .btn:hover {
            background: #9a7209;
            transform: translateY(-2px);
            text-decoration: none;
            color: #fff;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.8rem 0;
            border-bottom: 2px solid #e0d5c4;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #1a1a2e;
            background: linear-gradient(145deg, #b8860b, #d4a017);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #666;
            color: #666;
            display: block;
            letter-spacing: 0.5px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1a1a2e;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        nav a {
            font-weight: 500;
            color: #2d2d44;
            padding: 0.3rem 0.6rem;
            border-radius: 30px;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        nav a:hover {
            background: #efe6da;
            text-decoration: none;
        }
        .breadcrumb {
            width: 100%;
            font-size: 0.82rem;
            color: #666;
            padding: 0.6rem 0 0.2rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: #b8860b;
        }
        .breadcrumb span {
            color: #999;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.8rem 0 1rem 0;
            max-width: 600px;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #ddd6c8;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
            background: #fcfaf7;
        }
        .search-form input:focus {
            border-color: #b8860b;
        }
        .search-form button {
            background: #b8860b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0 1.6rem;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #9a7209;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0 1.5rem 0;
        }
        .comment-box,
        .rating-box {
            background: #faf7f2;
            padding: 1.8rem;
            border-radius: 18px;
            border: 1px solid #e8dfd0;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd6c8;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            font-family: inherit;
            background: #fff;
            transition: border 0.25s;
        }
        .comment-box textarea:focus {
            border-color: #b8860b;
            outline: none;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd6c8;
            border-radius: 12px;
            font-size: 0.95rem;
            margin: 0.5rem 0 0.8rem 0;
            background: #fff;
            transition: border 0.25s;
        }
        .comment-box input[type="text"]:focus {
            border-color: #b8860b;
            outline: none;
        }
        .rating-stars {
            display: flex;
            gap: 0.4rem;
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            margin: 0.8rem 0 1rem 0;
            direction: rtl;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.1s;
        }
        .rating-stars i:hover,
        .rating-stars i:hover~i {
            color: #f5b342;
            transform: scale(1.1);
        }
        .rating-stars i.active {
            color: #f5b342;
        }
        friend-link {
            display: block;
            padding: 1.8rem 0 1rem 0;
            border-top: 2px solid #e0d5c4;
            margin-top: 2rem;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        friend-link ul {
            list-style: none;
            padding-left: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.8rem;
        }
        friend-link li a {
            font-weight: 500;
        }
        footer {
            padding: 1.5rem 0 2.5rem 0;
            font-size: 0.85rem;
            color: #666;
            border-top: 1px solid #e0d5c4;
            margin-top: 0.8rem;
            text-align: center;
        }
        footer p {
            margin-bottom: 0.3rem;
        }
        .featured-img {
            margin: 2rem 0;
            border-radius: 16px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .featured-img figcaption {
            font-size: 0.85rem;
            color: #666;
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .data-table th {
            background: #b8860b;
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #e8dfd0;
        }
        .data-table tr:nth-child(even) {
            background: #faf6ef;
        }
        @media (max-width: 900px) {
            .feedback-section {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .container {
                padding: 1.5rem 1.2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
                padding: 0.8rem 0 0.4rem 0;
            }
            nav.open {
                display: flex;
            }
            nav a {
                width: 100%;
                padding: 0.5rem 0.8rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form input {
                min-width: 0;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.4rem 0.5rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 1rem 0.8rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
                padding-left: 0.6rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        .flex-icon-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.8rem;
            list-style: none;
            padding-left: 0;
        }
        .flex-icon-list li i {
            color: #b8860b;
            width: 1.4rem;
        }
        .highlight {
            background: #fcf3e0;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.6rem;
            vertical-align: middle;
        }
        .toc {
            background: #f8f4ed;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 1.8rem 0;
            border: 1px solid #e8dfd0;
        }
        .toc ol {
            margin-bottom: 0;
        }
        .toc a {
            font-weight: 500;
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #b8860b;
            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, 0.15);
            transition: background 0.2s, transform 0.2s;
            border: none;
            cursor: pointer;
            z-index: 100;
        }
        .scroll-top:hover {
            background: #9a7209;
            transform: scale(1.05);
        }