* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f9f6f0;
            color: #2d2a24;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #6b4f3c;
            text-decoration: underline;
            transition: color .2s;
        }
        a:hover {
            color: #3d7a5e;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #3d2b1e;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4em;
            border-bottom: 4px solid #c4a882;
            padding-bottom: 0.25em;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #6b4f3c;
            padding-left: 0.6em;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2em;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #3d2b1e;
            color: #f5ede4;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5ede4 !important;
            text-decoration: none !important;
            background: linear-gradient(135deg, #f5b642, #d48c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-family: 'Georgia', serif;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #b8a48b;
            display: block;
            letter-spacing: 1px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            color: #f5ede4;
            text-decoration: none !important;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background .25s, color .25s;
            white-space: nowrap;
        }
        nav a:hover {
            background: #5a3f2e;
            color: #f5b642;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f5ede4;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .breadcrumb {
            background: #efe7db;
            padding: 10px 0 10px 0;
            font-size: 0.85rem;
            color: #5a4a3a;
        }
        .breadcrumb a {
            color: #6b4f3c;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #9a8a7a;
        }
        .hero-img-wrap {
            margin: 28px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.08);
        }
        .hero-img-wrap img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 40px;
            margin: 30px 0 50px;
        }
        .main-article {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
            background: #f1ebe2;
            border-radius: 16px;
            padding: 24px 20px;
            font-size: 0.9rem;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-left: none;
            padding-left: 0;
            border-bottom: 2px solid #c4a882;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
        }
        .sidebar li {
            margin-bottom: 8px;
        }
        .sidebar li a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #4d3a2a;
            text-decoration: none;
            padding: 5px 0;
            border-bottom: 1px dashed #d6cabc;
        }
        .sidebar li a:hover {
            color: #3d7a5e;
        }
        .sidebar li i {
            width: 18px;
            color: #6b4f3c;
        }
        .bundle-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0 32px;
            font-size: 0.92rem;
            background: #fffcf7;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .bundle-table th {
            background: #3d2b1e;
            color: #f5ede4;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .bundle-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #e5dbcf;
        }
        .bundle-table tr:last-child td {
            border-bottom: none;
        }
        .bundle-table tr:hover td {
            background: #f6efe6;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 28px 0 18px;
            max-width: 560px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #d6cabc;
            border-radius: 50px;
            font-size: 1rem;
            background: #fffcf7;
            outline: none;
            transition: border .25s;
        }
        .search-form input:focus {
            border-color: #6b4f3c;
        }
        .search-form button {
            background: #6b4f3c;
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 0 26px;
            font-size: 1rem;
            cursor: pointer;
            transition: background .25s;
        }
        .search-form button:hover {
            background: #3d7a5e;
        }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 40px 0 30px;
            padding: 28px 0;
            border-top: 2px solid #e5dbcf;
        }
        .feedback-card {
            background: #f1ebe2;
            padding: 24px 22px;
            border-radius: 16px;
        }
        .feedback-card h3 {
            margin-top: 0;
            border-left: none;
            padding-left: 0;
            font-size: 1.25rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid #d6cabc;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fffcf7;
            font-family: inherit;
            outline: none;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #6b4f3c;
        }
        .feedback-card button {
            background: #3d7a5e;
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 1rem;
            cursor: pointer;
            font-weight: 600;
            transition: background .25s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #2d5f46;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: #d6cabc;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color .2s;
            color: #d6cabc;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b642;
        }
        footer {
            background: #2d221a;
            color: #d6cabc;
            padding: 36px 0 20px;
            margin-top: 40px;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        footer a {
            color: #d6cabc;
            text-decoration: none;
        }
        footer a:hover {
            color: #f5b642;
        }
        footer .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid #4a3a2a;
            font-size: 0.85rem;
            margin-top: 12px;
        }
        friend-link {
            display: block;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin: 0 6px 6px 0;
            padding: 4px 12px;
            background: #3d2b1e;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #e5dbcf !important;
        }
        friend-link a:hover {
            background: #5a3f2e;
        }
        @media (max-width: 820px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 20px;
            }
            .user-feedback {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .header-inner {
                flex-wrap: nowrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                margin-top: 12px;
                background: #3d2b1e;
                padding: 12px 0 8px;
                border-top: 1px solid #5a3f2e;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 16px;
                border-radius: 8px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .bundle-table {
                font-size: 0.8rem;
            }
            .bundle-table th,
            .bundle-table td {
                padding: 8px 10px;
            }
        }
        @media (max-width: 480px) {
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                padding: 12px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        .highlight {
            background: #fcf3e0;
            padding: 0.1em 0.3em;
            border-radius: 4px;
        }
        .badge {
            display: inline-block;
            background: #3d7a5e;
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: 30px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .last-updated {
            color: #7a6a5a;
            font-size: 0.85rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .fa-ul li {
            margin-bottom: 6px;
        }
        .tip-box {
            background: #e8f0e4;
            border-left: 6px solid #3d7a5e;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .tip-box strong {
            color: #2d5f46;
        }