* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #f5f3ee;
            color: #2d2d2d;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #2e7d32;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1b5e20;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(145deg, #1a3a1a 0%, #2e5e2e 100%);
            padding: 16px 0;
            border-bottom: 4px solid #7c6f4b;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            color: #f0e6c5;
            text-shadow: 3px 3px 0 #3d2b1f;
            letter-spacing: 1px;
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #ffd54f;
            font-size: 32px;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #fff8e1;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 32px;
            color: #f0e6c5;
            cursor: pointer;
            padding: 4px 12px;
            transition: 0.2s;
        }
        .hamburger:hover {
            color: #ffd54f;
        }
        nav {
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e8e0c8;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 15px;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #ffd54f;
            text-decoration: none;
        }
        nav a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #e8e2d4;
            padding: 10px 0;
            font-size: 14px;
            border-bottom: 1px solid #ccc6b8;
        }
        .breadcrumb a {
            color: #3d5a3d;
        }
        .breadcrumb span {
            color: #6b5e4a;
        }
        .breadcrumb i {
            margin: 0 6px;
            color: #8a7e6a;
            font-size: 12px;
        }
        .hero {
            background: linear-gradient(135deg, #1f3f1f 0%, #3d6b3d 50%, #5a4d36 100%);
            padding: 50px 0 40px;
            color: #fff;
            text-align: center;
            border-bottom: 6px solid #7c6f4b;
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 900;
            text-shadow: 4px 4px 0 #1a2a1a;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .hero h1 i {
            color: #ffd54f;
            margin-right: 10px;
        }
        .hero p {
            font-size: 18px;
            max-width: 750px;
            margin: 0 auto;
            opacity: 0.92;
        }
        .hero .last-updated {
            display: inline-block;
            margin-top: 14px;
            background: rgba(0, 0, 0, 0.3);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 14px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-body h2 {
            font-size: 30px;
            color: #1f3f1f;
            border-left: 6px solid #4caf50;
            padding-left: 18px;
            margin: 48px 0 18px;
            font-weight: 800;
        }
        .article-body h3 {
            font-size: 24px;
            color: #2d5a2d;
            margin: 34px 0 14px;
            font-weight: 700;
        }
        .article-body h4 {
            font-size: 19px;
            color: #3d6b3d;
            margin: 24px 0 10px;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 16.5px;
            color: #2d2d2d;
        }
        .article-body strong {
            color: #1b3b1b;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 28px;
        }
        .article-body li {
            margin-bottom: 8px;
            font-size: 16px;
        }
        .article-body .highlight-box {
            background: #eaf5ea;
            border-left: 5px solid #4caf50;
            padding: 18px 22px;
            border-radius: 8px;
            margin: 24px 0;
            font-size: 16px;
        }
        .article-body .highlight-box i {
            color: #2e7d32;
            margin-right: 8px;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 24px 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            border: 2px solid #d7d0c0;
        }
        .article-body .link-list {
            background: #faf8f4;
            padding: 18px 22px;
            border-radius: 10px;
            border: 1px solid #ddd6c8;
            margin: 20px 0;
        }
        .article-body .link-list a {
            display: inline-block;
            margin: 4px 8px 4px 0;
        }
        .sidebar {
            background: #faf8f4;
            border-radius: 14px;
            padding: 24px 20px;
            border: 1px solid #ddd6c8;
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar h3 {
            font-size: 20px;
            color: #1f3f1f;
            margin-bottom: 14px;
            border-bottom: 2px solid #4caf50;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            margin-bottom: 10px;
            border-bottom: 1px dashed #ddd6c8;
            padding-bottom: 8px;
        }
        .sidebar ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar ul li a i {
            color: #4caf50;
            width: 18px;
        }
        .search-section {
            background: #eaf5ea;
            padding: 30px 0;
            border-top: 3px solid #7c6f4b;
            border-bottom: 3px solid #7c6f4b;
            margin: 30px 0;
        }
        .search-wrap {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            gap: 10px;
            flex-wrap: wrap;
        }
        .search-wrap input {
            flex: 1;
            padding: 14px 20px;
            border: 2px solid #7c6f4b;
            border-radius: 40px;
            font-size: 16px;
            outline: none;
            background: #fffdf9;
            min-width: 200px;
        }
        .search-wrap input:focus {
            border-color: #2e7d32;
        }
        .search-wrap button {
            padding: 14px 32px;
            background: #2e7d32;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-wrap button:hover {
            background: #1b5e20;
            transform: scale(1.02);
        }
        .search-wrap button i {
            margin-right: 8px;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0 20px;
        }
        .feedback-card {
            background: #faf8f4;
            border-radius: 14px;
            padding: 28px 24px;
            border: 1px solid #ddd6c8;
        }
        .feedback-card h3 {
            font-size: 22px;
            color: #1f3f1f;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card h3 i {
            color: #4caf50;
        }
        .feedback-card textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d7d0c0;
            border-radius: 10px;
            font-size: 15px;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            background: #fffdf9;
        }
        .feedback-card textarea:focus {
            border-color: #2e7d32;
            outline: none;
        }
        .feedback-card input[type="text"],
        .feedback-card input[type="number"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d7d0c0;
            border-radius: 10px;
            font-size: 15px;
            margin: 8px 0 14px;
            background: #fffdf9;
        }
        .feedback-card input:focus {
            border-color: #2e7d32;
            outline: none;
        }
        .feedback-card .star-wrap {
            display: flex;
            gap: 6px;
            font-size: 28px;
            color: #e0d6c0;
            cursor: pointer;
            margin: 8px 0 14px;
        }
        .feedback-card .star-wrap i {
            transition: color 0.15s;
        }
        .feedback-card .star-wrap i.active {
            color: #ffb300;
        }
        .feedback-card .star-wrap i:hover {
            color: #ffb300;
        }
        .feedback-card .btn-submit {
            background: #2e7d32;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 4px;
        }
        .feedback-card .btn-submit:hover {
            background: #1b5e20;
        }
        footer {
            background: #1a2e1a;
            color: #d8d0c0;
            padding: 40px 0 20px;
            border-top: 6px solid #7c6f4b;
        }
        footer a {
            color: #b8d4b8;
        }
        footer a:hover {
            color: #ffd54f;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-grid h4 {
            color: #f0e6c5;
            margin-bottom: 12px;
            font-size: 18px;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            margin-bottom: 6px;
        }
        friend-link {
            display: block;
            border-top: 1px solid #3d5a3d;
            padding-top: 20px;
            margin-top: 20px;
            font-size: 14px;
            color: #b8a898;
        }
        friend-link a {
            margin: 0 6px 0 0;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #3d5a3d;
            margin-top: 20px;
            font-size: 14px;
            color: #9a8a7a;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 30px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 700px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 6px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 10px 16px;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 22px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero p {
                font-size: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .search-wrap {
                flex-direction: column;
                align-items: stretch;
            }
            .search-wrap button {
                width: 100%;
            }
            .feedback-card .star-wrap {
                font-size: 24px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .article-body h2 {
                font-size: 24px;
                padding-left: 12px;
            }
            .article-body h3 {
                font-size: 20px;
            }
            .article-body p {
                font-size: 15px;
            }
            .sidebar {
                padding: 16px;
            }
        }