*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f9fafb;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #b91c1c;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0c1f2e;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #b91c1c;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #b91c1c;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.15rem;
            color: #2c4a6e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        strong,
        b {
            color: #0c1f2e;
        }
        .container {
            background: #ffffff;
            border-radius: 24px;
            padding: 1.8rem 2rem;
            margin: 1.5rem 0 2.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .badge {
            display: inline-block;
            background: #b91c1c;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.6rem;
            border-bottom: 2px solid #e2e8f0;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #b91c1c, #1e3a5f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #b91c1c;
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #1e293b;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:active {
            transform: scale(0.92);
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 1.2rem;
            align-items: center;
            list-style: none;
            padding: 0;
        }
        .nav-menu li a {
            font-weight: 500;
            padding: 0.3rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s;
        }
        .nav-menu li a:hover {
            border-bottom-color: #b91c1c;
            text-decoration: none;
        }
        .nav-menu li a.active {
            border-bottom-color: #b91c1c;
            color: #b91c1c;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.8rem;
            font-size: 0.9rem;
            padding: 0.8rem 0 0.2rem;
            color: #475569;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb span.sep {
            color: #94a3b8;
        }
        .breadcrumb .current {
            color: #b91c1c;
            font-weight: 500;
        }
        .search-box {
            display: flex;
            gap: 0.5rem;
            max-width: 520px;
            margin: 1.8rem 0 1.2rem;
            flex-wrap: wrap;
        }
        .search-box input {
            flex: 1;
            min-width: 180px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #e2e8f0;
            border-radius: 60px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-box input:focus {
            border-color: #b91c1c;
        }
        .search-box button {
            background: #b91c1c;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 0.75rem 1.8rem;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: background 0.25s;
        }
        .search-box button:hover {
            background: #991515;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .feedback-card {
            background: #f1f5f9;
            border-radius: 20px;
            padding: 1.6rem 1.8rem;
            transition: box-shadow 0.2s;
        }
        .feedback-card:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
        }
        .feedback-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.6rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #b91c1c;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            background: #1e3a5f;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #0f2b44;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #facc15;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            transform: scale(1.15);
            color: #eab308;
        }
        .star-rating label i {
            pointer-events: none;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.6rem;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 2rem;
            list-style: none;
            padding: 0;
        }
        friend-link ul li a {
            font-weight: 500;
            background: #f1f5f9;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            transition: background 0.2s, color 0.2s;
        }
        friend-link ul li a:hover {
            background: #b91c1c;
            color: #fff;
            text-decoration: none;
        }
        footer {
            border-top: 2px solid #e2e8f0;
            padding: 1.5rem 0 2.5rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.9rem;
            color: #475569;
        }
        footer .copyright {
            margin-top: 0.6rem;
            font-weight: 400;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 1.2rem 1rem;
                margin: 1rem 0;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.4rem;
                gap: 0.6rem 0;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 0.4rem 0;
                border-bottom: none;
                font-size: 1.05rem;
            }
            .search-box button span {
                display: none;
            }
            .search-box button i {
                margin: 0;
            }
            .search-box button {
                padding: 0.75rem 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                gap: 0.2rem 0.5rem;
            }
            .star-rating {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .feedback-card {
                padding: 1rem 1.2rem;
            }
            .search-box input {
                min-width: 120px;
                font-size: 0.9rem;
            }
            h1 {
                font-size: 1.5rem;
            }
        }
        .last-updated {
            font-size: 0.85rem;
            color: #64748b;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-top: 0.2rem;
            margin-bottom: 1.2rem;
        }
        .last-updated i {
            color: #b91c1c;
        }
        .feature-img-wrap {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            background: #e2e8f0;
        }
        .feature-img-wrap img {
            width: 100%;
            object-fit: cover;
            max-height: 460px;
        }
        .highlight-box {
            background: #fef2f2;
            border-left: 6px solid #b91c1c;
            padding: 1.2rem 1.6rem;
            border-radius: 12px;
            margin: 1.6rem 0;
        }
        .grid-2col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 1.2rem 0;
        }
        @media (max-width: 700px) {
            .grid-2col {
                grid-template-columns: 1fr;
            }
        }
        .emoji-lg {
            font-size: 1.8rem;
            display: inline-block;
            margin-right: 0.3rem;
        }
        .inline-icon {
            margin-right: 0.3rem;
            color: #b91c1c;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #f1f5f9;
            font-weight: 600;
            color: #0c1f2e;
        }
        tr:hover td {
            background: #fafafa;
        }