* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f7f4f0;
            color: #2d2a24;
            line-height: 1.7;
            font-size: 1.05rem;
        }
        a {
            color: #b4531e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #7c3a0e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(145deg, #1e3a2f, #2a5a47);
            padding: 16px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5e6d3;
            font-family: 'Georgia', serif;
            text-shadow: 2px 2px 0 #0f2b1f;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
            color: #ffd8b0;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            display: block;
            color: #c0b5a0;
            letter-spacing: 0.5px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f5e6d3;
            color: #f5e6d3;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            gap: 10px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e8ddd0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        nav a:hover {
            color: #ffd8b0;
            border-bottom-color: #ffb88a;
            text-decoration: none;
        }
        .nav-search {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 30px;
            padding: 6px 16px 6px 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 0.9rem;
            width: 100px;
            outline: none;
        }
        .nav-search input::placeholder {
            color: #c0b5a0;
        }
        .nav-search button {
            background: none;
            border: none;
            color: #f5e6d3;
            cursor: pointer;
            font-size: 1rem;
        }
        .breadcrumb {
            background: #ede8e0;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dbd2c6;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #9a8a78;
        }
        .breadcrumb a {
            color: #7c5a3e;
        }
        .breadcrumb .active {
            color: #2d2a24;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #f0e7db, #e4d5c0);
            padding: 40px 0 50px;
            border-bottom: 3px solid #d4c0a8;
        }
        .hero h1 {
            font-size: 2.8rem;
            color: #1e3a2f;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 16px;
        }
        .hero p {
            font-size: 1.2rem;
            color: #4a3f32;
            max-width: 760px;
        }
        .hero .meta-info {
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px 40px;
            font-size: 0.95rem;
            color: #6a5a48;
        }
        .hero .meta-info i {
            margin-right: 6px;
            color: #b4531e;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 40px;
            padding: 40px 0 60px;
        }
        .main-content h2 {
            font-size: 2rem;
            color: #1e3a2f;
            margin: 48px 0 16px;
            border-left: 5px solid #b4531e;
            padding-left: 18px;
        }
        .main-content h2:first-of-type {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.5rem;
            color: #2a5a47;
            margin: 36px 0 12px;
        }
        .main-content h4 {
            font-size: 1.2rem;
            color: #3d2f1e;
            margin: 24px 0 10px;
            font-weight: 600;
        }
        .main-content p {
            margin-bottom: 18px;
            text-align: justify;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 22px 28px;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .main-content .feature-img {
            margin: 30px 0 20px;
            border-radius: 16px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.08);
        }
        .main-content .feature-img figcaption {
            font-size: 0.85rem;
            color: #6a5a48;
            margin-top: 8px;
            text-align: center;
            font-style: italic;
        }
        .highlight-box {
            background: #eee8de;
            border-left: 4px solid #b4531e;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #1e3a2f;
        }
        .insight-badge {
            display: inline-block;
            background: #1e3a2f;
            color: #f5e6d3;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .link-list {
            background: #f5efe8;
            padding: 18px 22px;
            border-radius: 12px;
            margin: 20px 0;
        }
        .link-list a {
            display: inline-block;
            margin: 4px 12px 4px 0;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #fffcf8;
            border-radius: 16px;
            padding: 22px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 24px;
            border: 1px solid #e8ddd0;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: #1e3a2f;
            margin-bottom: 14px;
            border-bottom: 2px solid #e0d4c6;
            padding-bottom: 10px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card li a {
            color: #4a3f32;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card li a:hover {
            color: #b4531e;
        }
        .sidebar-card li a i {
            width: 20px;
            color: #b4531e;
        }
        .search-section {
            background: #ede8e0;
            padding: 30px 0;
            border-top: 1px solid #dbd2c6;
            border-bottom: 1px solid #dbd2c6;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .search-box input {
            flex: 1;
            padding: 16px 24px;
            border: none;
            font-size: 1rem;
            outline: none;
            background: #fff;
        }
        .search-box button {
            background: #b4531e;
            color: #fff;
            border: none;
            padding: 0 32px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.2s;
            font-weight: 600;
        }
        .search-box button:hover {
            background: #7c3a0e;
        }
        .feedback-section {
            padding: 40px 0 50px;
            background: #fcfaf7;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .feedback-card {
            background: #fffcf8;
            border-radius: 16px;
            padding: 28px 26px;
            border: 1px solid #e8ddd0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            color: #1e3a2f;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border: 1px solid #d4c0a8;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fff;
            font-family: inherit;
            outline: none;
            transition: 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #b4531e;
            box-shadow: 0 0 0 3px rgba(180, 83, 30, 0.15);
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d4c0a8;
            cursor: pointer;
        }
        .feedback-card .star-rating i {
            transition: 0.15s;
        }
        .feedback-card .star-rating i:hover,
        .feedback-card .star-rating i.active {
            color: #f5a623;
        }
        .feedback-card button {
            background: #b4531e;
            color: #fff;
            border: none;
            padding: 14px 24px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #7c3a0e;
            transform: translateY(-1px);
        }
        footer {
            background: #1e3a2f;
            color: #e8ddd0;
            padding: 36px 0 20px;
        }
        footer a {
            color: #ffd8b0;
        }
        footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        footer h4 {
            color: #f5e6d3;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            padding: 16px 20px;
            margin: 16px 0 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            color: #ffd8b0;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 0.85rem;
            text-align: center;
            color: #b0a898;
        }
        .copyright strong {
            color: #e8ddd0;
        }
        @media (max-width: 900px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 700px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 18px 0 10px;
                gap: 12px;
            }
            nav.open {
                display: flex;
            }
            nav .nav-search {
                width: 100%;
            }
            nav .nav-search input {
                width: 100%;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .container {
                padding: 0 14px;
            }
            .feedback-card {
                padding: 20px 18px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .main-content h2 {
                font-size: 1.5rem;
            }
            .main-content h3 {
                font-size: 1.2rem;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
        }