* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #f7f5f0;
            color: #2d2a24;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #c7522a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #9a3f1f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e3c2c 0%, #2a5a3a 100%);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f9e9c8;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f9e9c8;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #f5c542;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #e8e0d0;
            padding: 6px 14px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            display: block;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        #nav-toggle {
            display: none;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e3c2c;
                padding: 12px 0;
                border-radius: 0 0 12px 12px;
                margin-top: 8px;
                gap: 2px;
            }
            .nav-list li a {
                padding: 10px 20px;
                border-radius: 0;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .header-inner {
                position: relative;
            }
            .nav-wrapper {
                width: 100%;
                flex-wrap: wrap;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .nav-wrapper .nav-list {
                display: none;
            }
            #nav-toggle:checked~.nav-list {
                display: flex !important;
            }
            .nav-wrapper input {
                display: none;
            }
            .nav-wrapper input:checked~.nav-list {
                display: flex !important;
            }
            .nav-list {
                display: none;
            }
            .nav-toggle:checked~.nav-list {
                display: flex !important;
            }
        }
        .nav-toggle {
            display: none;
        }
        .nav-toggle:checked~.nav-list {
            display: flex !important;
        }
        @media (max-width: 768px) {
            .nav-list {
                display: none;
                width: 100%;
                background: #1e3c2c;
                padding: 12px 0;
                border-radius: 0 0 12px 12px;
                margin-top: 4px;
            }
            .nav-toggle:checked~.nav-list {
                display: flex !important;
            }
            .hamburger {
                display: block;
            }
        }
        @media (min-width:769px) {
            .nav-list {
                display: flex !important;
            }
            .hamburger {
                display: none !important;
            }
            .nav-toggle {
                display: none !important;
            }
        }
        .breadcrumb {
            background: #ece8de;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d9d2c4;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 10px;
            color: #8a7e6e;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #5f5342;
        }
        .breadcrumb a:hover {
            color: #c7522a;
        }
        .breadcrumb .current {
            color: #2d2a24;
            font-weight: 600;
        }
        main {
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8e0d0;
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.1rem;
            color: #1e3c2c;
            border-bottom: 2px solid #d9d2c4;
            padding-bottom: 8px;
            margin-bottom: 16px;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar ul li {
            margin-bottom: 8px;
        }
        .sidebar ul li a {
            font-size: 0.9rem;
            color: #3d3a34;
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 4px 0;
        }
        .sidebar ul li a:hover {
            color: #c7522a;
        }
        .sidebar ul li a i {
            color: #c7522a;
            font-size: 0.7rem;
        }
        article {
            background: #fff;
            border-radius: 16px;
            padding: 30px 30px 40px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8e0d0;
        }
        article h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #1e3c2c;
            line-height: 1.2;
            margin-bottom: 8px;
        }
        article h1 i {
            color: #f5c542;
        }
        .article-meta {
            font-size: 0.9rem;
            color: #7a6e5e;
            border-bottom: 1px solid #ece8de;
            padding-bottom: 14px;
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .article-meta .update {
            font-weight: 600;
            color: #1e3c2c;
        }
        article h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #1e3c2c;
            margin: 36px 0 14px;
            padding-left: 12px;
            border-left: 4px solid #f5c542;
        }
        article h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #2a5a3a;
            margin: 28px 0 10px;
        }
        article h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #3d3a34;
            margin: 20px 0 8px;
        }
        article p {
            margin-bottom: 16px;
            color: #3d3a34;
        }
        article ul,
        article ol {
            margin: 12px 0 16px 24px;
            color: #3d3a34;
        }
        article li {
            margin-bottom: 6px;
        }
        .highlight-box {
            background: #f4f1ea;
            border-radius: 12px;
            padding: 20px 24px;
            margin: 20px 0;
            border-left: 4px solid #f5c542;
        }
        .highlight-box strong {
            color: #1e3c2c;
        }
        .image-wrapper {
            margin: 24px 0;
            border-radius: 12px;
            overflow: hidden;
            background: #ece8de;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        .image-wrapper img {
            width: 100%;
            object-fit: cover;
        }
        .image-wrapper figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: #5f5342;
            background: #f4f1ea;
        }
        .btn-icon {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #c7522a;
            color: #fff;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background 0.2s, transform 0.1s;
            border: none;
            cursor: pointer;
        }
        .btn-icon:hover {
            background: #9a3f1f;
            transform: translateY(-1px);
            color: #fff;
            text-decoration: none;
        }
        .search-section {
            background: #f4f1ea;
            border-radius: 12px;
            padding: 20px 24px;
            margin: 30px 0 20px;
        }
        .search-section form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 10px 16px;
            border: 2px solid #d9d2c4;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .search-section input[type="text"]:focus {
            border-color: #c7522a;
        }
        .search-section button {
            padding: 10px 24px;
            border: none;
            border-radius: 30px;
            background: #1e3c2c;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-section button:hover {
            background: #2a5a3a;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 30px 0 20px;
        }
        @media (max-width: 600px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #f4f1ea;
            border-radius: 12px;
            padding: 20px 22px;
            border: 1px solid #e0d8c8;
        }
        .feedback-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: #1e3c2c;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feedback-card textarea {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid #d9d2c4;
            border-radius: 10px;
            font-family: inherit;
            font-size: 0.9rem;
            resize: vertical;
            min-height: 70px;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .feedback-card textarea:focus {
            border-color: #c7522a;
        }
        .feedback-card input[type="text"],
        .feedback-card input[type="number"] {
            padding: 8px 14px;
            border: 2px solid #d9d2c4;
            border-radius: 10px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .feedback-card input:focus {
            border-color: #c7522a;
        }
        .feedback-card .score-stars {
            display: flex;
            gap: 6px;
            font-size: 1.4rem;
            color: #d9d2c4;
            cursor: pointer;
        }
        .feedback-card .score-stars i {
            transition: color 0.2s, transform 0.1s;
        }
        .feedback-card .score-stars i:hover,
        .feedback-card .score-stars i.active {
            color: #f5c542;
            transform: scale(1.1);
        }
        .feedback-card .row-flex {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .feedback-card .btn-submit {
            background: #1e3c2c;
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #2a5a3a;
        }
        footer {
            background: #1e3c2c;
            color: #d9d2c4;
            padding: 30px 0 20px;
            margin-top: 30px;
        }
        footer .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        @media (max-width: 700px) {
            footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        footer h4 {
            color: #f9e9c8;
            font-size: 1rem;
            margin-bottom: 12px;
        }
        footer a {
            color: #b8ad9a;
        }
        footer a:hover {
            color: #f5c542;
        }
        footer .copyright {
            border-top: 1px solid #3d5a4a;
            padding-top: 18px;
            margin-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            color: #8a7e6e;
        }
        friend-link {
            display: block;
            background: #2a5a3a;
            padding: 14px 20px;
            border-radius: 12px;
            margin-bottom: 16px;
        }
        friend-link a {
            color: #f9e9c8;
            margin: 0 10px 0 0;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            color: #f5c542;
        }
        friend-link::before {
            content: "🔗 Friends: ";
            font-weight: 600;
            color: #f5c542;
            margin-right: 8px;
        }
        @media (max-width: 768px) {
            article {
                padding: 20px 16px;
            }
            article h1 {
                font-size: 1.6rem;
            }
            article h2 {
                font-size: 1.3rem;
            }
            .header-inner {
                padding: 0 4px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                min-width: auto;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #1e3c2c;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            transition: background 0.2s, transform 0.2s;
            border: none;
            cursor: pointer;
            z-index: 50;
        }
        .scroll-top:hover {
            background: #2a5a3a;
            transform: translateY(-3px);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 18px 0;
            font-size: 0.9rem;
        }
        .data-table th {
            background: #1e3c2c;
            color: #f9e9c8;
            padding: 10px 14px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 9px 14px;
            border-bottom: 1px solid #e8e0d0;
        }
        .data-table tr:nth-child(even) {
            background: #f9f7f2;
        }
        .data-table tr:hover {
            background: #f0ece4;
        }
        blockquote {
            background: #f4f1ea;
            border-left: 4px solid #c7522a;
            padding: 14px 20px;
            margin: 18px 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #3d3a34;
        }
        blockquote footer {
            background: none;
            color: #7a6e5e;
            font-size: 0.85rem;
            margin-top: 6px;
            padding: 0;
        }