* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f8f9fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #9c2e1f;
            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, #1e2a3a 0%, #2c3e50 100%);
            color: #fff;
            padding: 16px 0;
            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;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #f4b942, #e8892a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.3s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #f4b942;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #eaeef2;
            font-weight: 500;
            font-size: 1rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            color: #f4b942;
            border-bottom-color: #f4b942;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #eef1f5;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce1e8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #7f8c9b;
            margin-right: 12px;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb .current {
            color: #c44536;
            font-weight: 600;
        }
        main {
            flex: 1;
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #1e2a3a;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #c44536;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 16px;
            color: #1e2a3a;
            border-left: 6px solid #f4b942;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #34495e;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2c3e50;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #34495e;
            background: #eef1f5;
            padding: 20px 24px;
            border-radius: 12px;
            border-left: 6px solid #f4b942;
        }
        .highlight {
            background: #fff8e7;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .feature-img {
            margin: 32px 0;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .feature-img figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #7f8c9b;
            margin-top: 10px;
            font-style: italic;
        }
        .info-box {
            background: linear-gradient(135deg, #f0f4fa, #e8edf4);
            border-radius: 16px;
            padding: 24px 28px;
            margin: 28px 0;
            border: 1px solid #dce1e8;
        }
        .info-box h4 {
            margin-top: 0;
            color: #c44536;
        }
        .info-box i {
            color: #f4b942;
            margin-right: 8px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            margin: 32px 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            transition: transform 0.25s, box-shadow 0.25s;
            border: 1px solid #eef1f5;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.10);
        }
        .card i {
            font-size: 2rem;
            color: #c44536;
            margin-bottom: 12px;
        }
        .card h4 {
            margin-top: 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 0.98rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        th,
        td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #eef1f5;
        }
        th {
            background: #1e2a3a;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8f9fc;
        }
        tr:hover td {
            background: #fff8e7;
        }
        .form-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 32px;
            margin: 32px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef1f5;
        }
        .form-section h3 i {
            color: #f4b942;
            margin-right: 10px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #2c3e50;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce1e8;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fafbfc;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #f4b942;
            outline: none;
            background: #fff;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            padding: 12px 32px;
            border: none;
            border-radius: 10px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary {
            background: #c44536;
            color: #fff;
        }
        .btn-primary:hover {
            background: #9c2e1f;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: #eef1f5;
            color: #1e2a3a;
        }
        .btn-secondary:hover {
            background: #dce1e8;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #dce1e8;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f4b942;
        }
        footer {
            background: #1e2a3a;
            color: #cbd5e0;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        footer a {
            color: #f4b942;
        }
        footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.1rem;
            border-left: 4px solid #f4b942;
            padding-left: 12px;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-grid ul li a i {
            margin-right: 8px;
            width: 20px;
            color: #f4b942;
        }
        .friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            padding: 16px 20px;
            margin: 8px 0;
            border-left: 4px solid #f4b942;
            transition: background 0.2s;
        }
        .friend-link:hover {
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .friend-link i {
            margin-right: 10px;
            color: #f4b942;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #8a9aa8;
        }
        .copyright strong {
            color: #eaeef2;
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 0 4px;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 12px;
                padding: 18px 0 8px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 12px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                font-size: 1.05rem;
                padding: 8px 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
                padding-left: 12px;
            }
            h3 {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 16px;
            }
            .breadcrumb ol {
                gap: 4px 8px;
                font-size: 0.8rem;
            }
            .form-section {
                padding: 20px 16px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .star-rating {
                font-size: 1.5rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            table {
                font-size: 0.85rem;
            }
            th,
            td {
                padding: 10px 12px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.7rem;
            }
            .lead {
                font-size: 1.05rem;
                padding: 16px;
            }
            .info-box {
                padding: 18px;
            }
        }
        @media (min-width: 769px) {
            .nav-toggle {
                display: none !important;
            }
            .nav-menu {
                display: flex !important;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .last-updated {
            display: inline-block;
            background: #1e2a3a;
            color: #fff;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
        }
        .last-updated i {
            margin-right: 8px;
            color: #f4b942;
        }
        ul.checked-list {
            list-style: none;
            padding: 0;
        }
        ul.checked-list li {
            padding: 6px 0 6px 32px;
            position: relative;
        }
        ul.checked-list li::before {
            content: "✔";
            color: #c44536;
            font-weight: 700;
            position: absolute;
            left: 0;
            top: 6px;
        }
        .qna {
            background: #f8f9fc;
            border-radius: 12px;
            padding: 20px 24px;
            margin: 16px 0;
            border-left: 4px solid #f4b942;
        }
        .qna strong {
            color: #1e2a3a;
        }