* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f8f6f2;
            color: #1e2a3a;
            line-height: 1.75;
            font-size: 16px;
        }
        a {
            color: #1a6b4f;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #0d4a36;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(145deg, #1a3a2a 0%, #0f2b1e 100%);
            padding: 16px 0 12px;
            border-bottom: 4px solid #c8a96e;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5e7c8;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: #c8a96e;
            font-size: 2rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f5e7c8;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            opacity: 0.8;
            display: block;
            letter-spacing: 0.5px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px 16px;
            flex-wrap: wrap;
        }
        nav a {
            color: #e8dfd0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 12px;
            border-radius: 30px;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        nav a:hover,
        nav a:focus-visible {
            background: rgba(200, 169, 110, 0.25);
            color: #f5e7c8;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #c8a96e;
            color: #c8a96e;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(200, 169, 110, 0.15);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 820px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #0f2b1e;
                padding: 16px 12px;
                border-radius: 12px;
                margin-top: 8px;
                border: 1px solid #2a4a3a;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 16px;
                border-bottom: 1px solid #1e3a2a;
            }
            .nav-menu a:last-child {
                border-bottom: none;
            }
        }
        .breadcrumb {
            background: #ece8df;
            padding: 10px 0 8px;
            font-size: 0.85rem;
            color: #4a5a4a;
            border-bottom: 1px solid #d6d0c4;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 8px;
        }
        .breadcrumb a {
            color: #1a6b4f;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #6a7a6a;
        }
        main {
            padding: 36px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 920px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            color: #0f2b1e;
            margin-bottom: 12px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .article-body h2 {
            font-size: 1.9rem;
            margin-top: 48px;
            margin-bottom: 16px;
            color: #1a3a2a;
            border-left: 6px solid #c8a96e;
            padding-left: 18px;
            font-weight: 700;
        }
        .article-body h3 {
            font-size: 1.4rem;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #1e3a2a;
            font-weight: 600;
        }
        .article-body h4 {
            font-size: 1.15rem;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #2a4a3a;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #1e2a3a;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 28px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body strong {
            color: #0f2b1e;
        }
        .article-body em {
            color: #2a5a4a;
        }
        .article-body .highlight-box {
            background: #eef6f0;
            border-left: 5px solid #c8a96e;
            padding: 20px 24px;
            border-radius: 10px;
            margin: 28px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .article-body .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .article-body .img-wrapper {
            margin: 32px 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.08);
            background: #e8e2d6;
        }
        .article-body .img-wrapper figcaption {
            padding: 12px 18px;
            font-size: 0.9rem;
            color: #4a5a4a;
            background: #f5f0e8;
            font-style: italic;
        }
        .last-updated {
            display: inline-block;
            background: #c8a96e20;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #4a6a4a;
            margin-bottom: 20px;
            border: 1px solid #c8a96e40;
        }
        .last-updated i {
            margin-right: 6px;
            color: #c8a96e;
        }
        .sidebar {
            background: #f5f0e8;
            border-radius: 16px;
            padding: 24px 20px;
            border: 1px solid #e2dac8;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            color: #0f2b1e;
            margin-bottom: 16px;
            border-bottom: 2px solid #c8a96e;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 8px;
            background: #fff;
            border: 1px solid #e2dac8;
            transition: all 0.2s;
            font-size: 0.9rem;
        }
        .sidebar a:hover {
            background: #c8a96e15;
            border-color: #c8a96e;
            text-decoration: none;
            transform: translateX(4px);
        }
        .sidebar a i {
            color: #c8a96e;
            width: 20px;
            text-align: center;
        }
        .search-section {
            background: #eef6f0;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 40px 0 20px;
            border: 1px solid #c8a96e50;
        }
        .search-section h3 {
            font-size: 1.3rem;
            margin-bottom: 14px;
            color: #0f2b1e;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #d6d0c4;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input[type="text"]:focus {
            border-color: #1a6b4f;
        }
        .search-form button {
            padding: 14px 32px;
            background: #1a6b4f;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #0d4a36;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 40px 0 20px;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 24px 28px;
            border: 1px solid #e2dac8;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            color: #0f2b1e;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-section textarea,
        .comment-section input,
        .rating-section input,
        .rating-section select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d6d0c4;
            border-radius: 10px;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-family: inherit;
            background: #fcfaf7;
            transition: border 0.25s;
        }
        .comment-section textarea:focus,
        .comment-section input:focus,
        .rating-section input:focus,
        .rating-section select:focus {
            border-color: #1a6b4f;
            outline: none;
        }
        .comment-section textarea {
            resize: vertical;
            min-height: 100px;
        }
        .comment-section button,
        .rating-section button {
            padding: 12px 28px;
            background: #1a6b4f;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-section button:hover,
        .rating-section button:hover {
            background: #0d4a36;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d6d0c4;
            margin-bottom: 14px;
            cursor: pointer;
        }
        .rating-stars i.active {
            color: #c8a96e;
        }
        .rating-stars i:hover {
            color: #c8a96e;
        }
        footer {
            background: #0f2b1e;
            color: #d6d0c4;
            padding: 40px 0 24px;
            border-top: 4px solid #c8a96e;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        @media (max-width: 720px) {
            footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        footer h4 {
            color: #f5e7c8;
            font-size: 1.05rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        footer a {
            color: #b8c8b0;
        }
        footer a:hover {
            color: #f5e7c8;
        }
        footer ul {
            list-style: none;
            padding: 0;
        }
        footer li {
            margin-bottom: 6px;
        }
        friend-link {
            display: block;
            padding: 20px 0 12px;
            border-top: 1px solid #1e3a2a;
            margin-top: 20px;
            grid-column: 1 / -1;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 12px;
            background: #1a3a2a;
            border-radius: 30px;
            font-size: 0.85rem;
            border: 1px solid #2a4a3a;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #2a5a3a;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            font-size: 0.85rem;
            color: #8a9a8a;
            border-top: 1px solid #1e3a2a;
            margin-top: 12px;
            grid-column: 1 / -1;
        }
        .copyright strong {
            color: #c8a96e;
        }
        @media (max-width: 600px) {
            .article-body h1 {
                font-size: 1.9rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                flex-direction: row;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #1a6b4f;
            color: #fff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: background 0.25s, transform 0.2s;
            z-index: 90;
        }
        .scroll-top:hover {
            background: #0d4a36;
            transform: translateY(-3px);
        }
        @media (max-width: 600px) {
            .scroll-top {
                bottom: 16px;
                right: 16px;
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
        }
        .schema-hidden {
            display: none;
        }