*,
        *::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, sans-serif;
            background: #f4f7fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1400px;
            margin: 0 auto;
        }
        a {
            color: #0f3b5e;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s;
        }
        a:hover {
            color: #e67e22;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            display: block;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            color: #0c2a41;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 6px solid #e67e22;
            padding-left: 20px;
            margin-top: 0.8em;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #d0dce8;
            padding-bottom: 6px;
        }
        h3 {
            font-size: 1.3rem;
            color: #1a4b6d;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c5f7e;
        }
        p {
            margin-bottom: 1.1em;
            color: #2d3f53;
        }
        ul,
        ol {
            margin: 0.6em 0 1.2em 1.8em;
        }
        li {
            margin-bottom: 0.3em;
        }
        .container {
            background: #ffffff;
            border-radius: 28px;
            padding: 20px 24px 40px;
            margin: 16px auto 40px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
            max-width: 1200px;
        }
        .badge {
            display: inline-block;
            background: #e67e22;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 40px;
            letter-spacing: 0.3px;
        }
        .highlight {
            background: #fef6e6;
            padding: 0.2em 0.5em;
            border-radius: 6px;
            font-weight: 600;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #5e6f82;
            margin: 0.5em 0 1.5em;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .last-updated i {
            color: #e67e22;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0 10px;
            border-bottom: 1px solid #e2eaf2;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(145deg, #0f3b5e, #1f6d8f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: #e67e22;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .main-nav {
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
        }
        .main-nav li a {
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 40px;
            transition: background 0.2s, color 0.2s;
            color: #1e3b4f;
        }
        .main-nav li a:hover {
            background: #eef4f9;
            color: #e67e22;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0c2a41;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef4f9;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            font-size: 0.85rem;
            padding: 12px 0 6px;
            margin: 0;
            color: #5e6f82;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 10px;
            color: #a0b3c7;
        }
        .breadcrumb a {
            color: #0f3b5e;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #e67e22;
            font-weight: 500;
        }
        .search-form {
            display: flex;
            gap: 6px;
            max-width: 460px;
            margin: 18px 0 22px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 1px solid #d0dce8;
            border-radius: 60px;
            font-size: 0.95rem;
            background: #f9fbfd;
            transition: border 0.2s, box-shadow 0.2s;
            outline: none;
        }
        .search-form input[type="text"]:focus {
            border-color: #e67e22;
            box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15);
        }
        .search-form button {
            background: #0f3b5e;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 12px 26px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: #e67e22;
            transform: scale(1.02);
        }
        .hero-figure {
            margin: 24px 0 32px;
            border-radius: 18px;
            overflow: hidden;
            background: #eaf0f5;
            position: relative;
        }
        .hero-figure img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .hero-caption {
            padding: 10px 18px 14px;
            font-size: 0.9rem;
            color: #3c5a72;
            background: #f4f8fc;
            border-radius: 0 0 18px 18px;
        }
        .insight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            margin: 28px 0;
        }
        .insight-card {
            background: #f9fbfd;
            border-radius: 18px;
            padding: 20px 18px;
            border: 1px solid #e2eaf2;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .insight-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
        }
        .insight-card i {
            font-size: 2rem;
            color: #e67e22;
            margin-bottom: 8px;
        }
        .insight-card h4 {
            margin-top: 0.2em;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 40px 0 20px;
            background: #f8fafc;
            border-radius: 24px;
            padding: 28px 24px;
            border: 1px solid #e2eaf2;
        }
        .feedback-section form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-section label {
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .feedback-section input,
        .feedback-section textarea,
        .feedback-section select {
            padding: 10px 14px;
            border: 1px solid #d0dce8;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #fff;
            transition: border 0.2s;
            outline: none;
            font-family: inherit;
        }
        .feedback-section input:focus,
        .feedback-section textarea:focus,
        .feedback-section select:focus {
            border-color: #e67e22;
            box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.1);
        }
        .feedback-section textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-section .btn-submit {
            background: #0f3b5e;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 12px 28px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-section .btn-submit:hover {
            background: #e67e22;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            direction: rtl;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d0dce8;
            transition: color 0.15s;
            font-size: 1.7rem;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        friend-link {
            display: block;
            background: #f0f5fa;
            border-radius: 18px;
            padding: 24px 22px;
            margin: 32px 0 18px;
            border: 1px solid #dce6ef;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link ul {
            list-style: none;
            margin: 12px 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
        }
        friend-link ul li a {
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        friend-link ul li a:hover {
            border-bottom-color: #e67e22;
            color: #e67e22;
        }
        .site-footer {
            border-top: 1px solid #e2eaf2;
            padding: 28px 0 24px;
            margin-top: 28px;
            text-align: center;
            font-size: 0.9rem;
            color: #4a5f73;
        }
        .site-footer .copyright {
            font-weight: 400;
            letter-spacing: 0.2px;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 16px 14px 32px;
                border-radius: 18px;
            }
            h1 {
                font-size: 1.7rem;
                padding-left: 14px;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 12px 0 16px;
                border-radius: 0 0 20px 20px;
                box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
                margin-top: 8px;
            }
            .main-nav li a {
                padding: 10px 16px;
                display: block;
                font-size: 1.05rem;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.main-nav {
                display: flex;
            }
            .feedback-section {
                grid-template-columns: 1fr;
                padding: 20px 16px;
            }
            .insight-grid {
                grid-template-columns: 1fr;
            }
            .search-form button span {
                display: none;
            }
            .search-form button {
                padding: 12px 18px;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .breadcrumb li+li::before {
                margin: 0 6px;
            }
            friend-link ul {
                flex-direction: column;
                gap: 4px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.4rem;
            }
            .container {
                padding: 12px 10px 24px;
            }
            .hero-figure {
                margin: 14px 0 20px;
            }
            .star-rating label {
                font-size: 1.4rem;
            }
        }
        section {
            scroll-margin-top: 80px;
        }
        .text-muted {
            color: #5e6f82;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
        }
        .mt-2 {
            margin-top: 1.2rem;
        }
        .mb-1 {
            margin-bottom: 0.6rem;
        }
        .fw-600 {
            font-weight: 600;
        }
        .gap-2 {
            gap: 12px;
        }
        .rounded-full {
            border-radius: 999px;
        }
        .bg-soft {
            background: #f4f8fc;
        }