* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f7fb;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }
        .wrapper {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 32px 32px 0 0;
            overflow: hidden;
            padding: 0 24px 40px;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 20px;
        }
        .header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0 12px;
            border-bottom: 2px solid #eef2f6;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #2563eb, #7c3aed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .my-logo small {
            font-size: 0.75rem;
            -webkit-text-fill-color: #64748b;
            background: none;
            color: #64748b;
            font-weight: 400;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #cbd5e1;
            font-size: 1.6rem;
            padding: 6px 12px;
            border-radius: 12px;
            color: #1e293b;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: #2563eb;
            color: #2563eb;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            align-items: center;
            list-style: none;
        }
        .nav-menu li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 0;
            color: #334155;
            border-bottom: 2px solid transparent;
        }
        .nav-menu li a:hover {
            color: #2563eb;
            border-bottom-color: #2563eb;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.85rem;
            padding: 14px 0 8px;
            color: #64748b;
            background: #f8fafc;
            border-radius: 16px;
            padding: 10px 18px;
            margin: 16px 0 10px;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb span {
            color: #94a3b8;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 24px 0 16px;
            background: linear-gradient(135deg, #1e293b, #2563eb);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 4px solid #eef2f6;
            color: #0f172a;
        }
        h2 i {
            margin-right: 10px;
            color: #2563eb;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: #1e293b;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: #334155;
        }
        p {
            margin: 0 0 18px;
            color: #334155;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.2rem;
            color: #1e293b;
            font-weight: 500;
            background: #f0f4fe;
            padding: 20px 24px;
            border-radius: 20px;
            border-left: 6px solid #2563eb;
        }
        .hero-img {
            margin: 24px 0 32px;
            border-radius: 24px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
        }
        .section {
            margin: 40px 0;
        }
        .tip-box {
            background: #f8fafc;
            border-radius: 20px;
            padding: 20px 24px;
            margin: 20px 0;
            border: 1px solid #e2e8f0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
        }
        .tip-box strong {
            color: #2563eb;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 24px 0;
        }
        .feedback-wrap {
            background: #f8fafc;
            border-radius: 28px;
            padding: 32px;
            margin: 48px 0 24px;
            border: 1px solid #e2e8f0;
        }
        .feedback-wrap h2 {
            margin-top: 0;
            border: none;
        }
        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 16px 0;
        }
        .form-row input,
        .form-row textarea,
        .form-row select {
            flex: 1 1 220px;
            padding: 14px 18px;
            border: 2px solid #e2e8f0;
            border-radius: 14px;
            font-size: 1rem;
            background: #fff;
            transition: 0.2s;
            font-family: inherit;
        }
        .form-row input:focus,
        .form-row textarea:focus,
        .form-row select:focus {
            border-color: #2563eb;
            outline: none;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
        }
        .form-row textarea {
            flex: 1 1 100%;
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:hover {
            background: #1e40af;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
        }
        .btn i {
            font-size: 1rem;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #fbbf24;
            cursor: pointer;
            margin: 8px 0;
        }
        .star-rating i {
            transition: 0.15s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
            color: #f59e0b;
        }
        friend-link {
            display: block;
            padding: 24px 0 12px;
            border-top: 2px solid #eef2f6;
            margin-top: 40px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            padding: 4px 0;
            font-weight: 500;
        }
        .footer-copy {
            text-align: center;
            padding: 24px 0 10px;
            color: #64748b;
            font-size: 0.9rem;
            border-top: 1px solid #eef2f6;
            margin-top: 16px;
        }
        .footer-copy strong {
            color: #1e293b;
        }
        @media (max-width: 768px) {
            .wrapper {
                padding: 0 16px 32px;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .header {
                padding: 12px 0 8px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: inline-block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                padding: 16px 0 8px;
                border-top: 1px solid #eef2f6;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 10px 0;
                display: block;
                font-size: 1rem;
                border-bottom: 1px solid #f1f5f9;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 8px 12px;
                flex-wrap: wrap;
            }
            .feedback-wrap {
                padding: 20px;
            }
            .form-row input,
            .form-row textarea,
            .form-row select {
                flex: 1 1 100%;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .wrapper {
                padding: 0 10px 24px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .lead {
                font-size: 1rem;
                padding: 16px;
            }
            .tip-box {
                padding: 16px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        ul,
        ol {
            margin: 0 0 20px 24px;
            color: #334155;
        }
        li {
            margin-bottom: 6px;
        }
        .search-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 16px 0 24px;
            background: #f8fafc;
            padding: 16px 20px;
            border-radius: 60px;
            border: 1px solid #e2e8f0;
        }
        .search-inline input {
            flex: 1 1 200px;
            padding: 12px 18px;
            border: none;
            border-radius: 40px;
            background: #fff;
            font-size: 1rem;
            border: 2px solid transparent;
            transition: 0.2s;
        }
        .search-inline input:focus {
            border-color: #2563eb;
            outline: none;
        }
        .search-inline button {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-inline button:hover {
            background: #1e40af;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 16px;
            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 #f1f5f9;
        }
        th {
            background: #f0f4fe;
            font-weight: 600;
            color: #0f172a;
        }
        tr:last-child td {
            border-bottom: none;
        }