* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f0e8;
            color: #2d2d2d;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #8b6508;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a3c3a 0%, #0f2a28 100%);
            color: #f5f0e8;
            padding: 18px 0;
            border-bottom: 4px solid #d4a843;
            position: sticky;
            top: 0;
            z-index: 1000;
            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: 12px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: #d4a843;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.3);
            font-family: 'Georgia', serif;
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #e6c060;
        }
        .my-logo span {
            color: #f5f0e8;
            font-weight: 300;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #f5f0e8;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e8e0d0;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover {
            background: rgba(212, 168, 67, 0.25);
            color: #d4a843;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb-wrap {
            background: #e8e0d0;
            padding: 10px 0;
            border-bottom: 1px solid #d4c8b0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.88rem;
            color: #5a4a3a;
        }
        .breadcrumb a {
            color: #7a5a2a;
        }
        .breadcrumb a:hover {
            color: #b8860b;
        }
        .breadcrumb .sep {
            color: #9a8a7a;
        }
        main {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #1a3c3a;
            margin-bottom: 0.5rem;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #d4a843;
            margin-right: 12px;
        }
        .subtitle {
            font-size: 1.1rem;
            color: #5a6a5a;
            margin-bottom: 1.8rem;
            border-left: 4px solid #d4a843;
            padding-left: 18px;
            font-style: italic;
        }
        .update-badge {
            display: inline-block;
            background: #1a3c3a;
            color: #f5f0e8;
            padding: 4px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        .update-badge i {
            margin-right: 6px;
        }
        .featured-image {
            width: 100%;
            border-radius: 16px;
            margin: 28px 0 32px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
            border: 2px solid #e8e0d0;
            aspect-ratio: 1200/630;
            object-fit: cover;
            background: #d4c8b0;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1a3c3a;
            margin-top: 3.2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #d4a843;
            display: inline-block;
        }
        h2 i {
            color: #d4a843;
            margin-right: 12px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2d4a3a;
            margin-top: 2.4rem;
            margin-bottom: 0.8rem;
        }
        h3 i {
            margin-right: 10px;
            color: #b8860b;
            font-size: 1.2rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3d5a4a;
            margin-top: 1.8rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.02rem;
        }
        .highlight-box {
            background: #e8e0d0;
            border-left: 6px solid #d4a843;
            padding: 18px 24px;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .highlight-box strong {
            color: #1a3c3a;
        }
        ul,
        ol {
            margin: 1rem 0 1.5rem 1.8rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            margin: 2rem 0;
        }
        .card {
            background: #fffcf7;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8e0d0;
            transition: transform 0.2s ease, box-shadow 0.3s ease;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.10);
        }
        .card h4 {
            margin-top: 0;
            color: #1a3c3a;
        }
        .card i {
            color: #d4a843;
            font-size: 1.6rem;
            margin-bottom: 8px;
            display: inline-block;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 2rem 0;
            border-radius: 12px;
            border: 1px solid #e0d8c8;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fffcf7;
            font-size: 0.95rem;
        }
        th {
            background: #1a3c3a;
            color: #f5f0e8;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 16px;
            border-bottom: 1px solid #e8e0d0;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f5f0e8;
        }
        .interaction-section {
            background: #fffcf7;
            border-radius: 20px;
            padding: 32px 36px;
            margin: 3rem 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8e0d0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            color: #1a3c3a;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #ddd8cc;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            background: #faf8f4;
            transition: border-color 0.2s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #d4a843;
            background: #fff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: #1a3c3a;
            color: #f5f0e8;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.1s ease;
        }
        .btn:hover {
            background: #0f2a28;
            transform: translateY(-1px);
        }
        .btn i {
            font-size: 0.95rem;
        }
        .btn-subtle {
            background: #e8e0d0;
            color: #2d2d2d;
        }
        .btn-subtle:hover {
            background: #ddd0bc;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            color: #ddd8cc;
            cursor: pointer;
            margin: 8px 0;
        }
        .star-rating i {
            transition: color 0.15s ease, transform 0.15s ease;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: #d4a843;
            transform: scale(1.1);
        }
        .star-rating i:hover~i {
            color: #ddd8cc;
            transform: scale(1);
        }
        .link-list {
            background: #f0ece4;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 2rem 0;
            border: 1px solid #e0d8c8;
        }
        .link-list h4 {
            margin-top: 0;
            color: #1a3c3a;
        }
        .link-list ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .link-list li {
            padding: 6px 0;
            border-bottom: 1px solid #e0d8c8;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list li i {
            color: #d4a843;
            width: 20px;
            text-align: center;
        }
        footer {
            background: #1a3c3a;
            color: #d4c8b0;
            padding: 40px 0 24px;
            border-top: 4px solid #d4a843;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        footer h4 {
            color: #d4a843;
            margin-top: 0;
            font-size: 1.1rem;
        }
        footer a {
            color: #c8b89a;
        }
        footer a:hover {
            color: #d4a843;
        }
        friend-link {
            display: block;
            padding: 16px 0;
            border-top: 1px solid rgba(212, 168, 67, 0.25);
            margin-top: 20px;
            grid-column: 1 / -1;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            padding: 4px 12px;
            background: rgba(212, 168, 67, 0.12);
            border-radius: 30px;
            font-size: 0.9rem;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: rgba(212, 168, 67, 0.25);
            text-decoration: none;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.88rem;
            color: #a8a090;
        }
        .copyright strong {
            color: #d4a843;
        }
        @media (max-width: 900px) {
            footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f2a28;
                padding: 16px 12px;
                border-radius: 0 0 16px 16px;
                margin-top: 8px;
                border-top: 2px solid #d4a843;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 14px;
                border-radius: 8px;
                width: 100%;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .interaction-section {
                padding: 20px 18px;
            }
            footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.7rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media print {
            header,
            .breadcrumb-wrap,
            .interaction-section,
            footer {
                display: none;
            }
            body {
                background: #fff;
                color: #000;
            }
        }