*,
        *::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, 'Helvetica Neue', sans-serif;
            line-height: 1.8;
            color: #1e1e2a;
            background: #faf9f6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #982c1f;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 1rem;
            background: #1a2a6c;
            color: #fff;
            padding: 0.75rem 1.5rem;
            border-radius: 0 0 6px 6px;
            z-index: 9999;
            font-weight: 600;
            transition: top 0.25s ease;
        }
        .skip-link:focus {
            top: 0;
            text-decoration: none;
            color: #fff;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2a6c 0%, #2d4a8e 100%);
            color: #fff;
            padding: 0.75rem 1rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: #fff;
            background: linear-gradient(135deg, #f9d423, #f7971e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(249, 212, 35, 0.15);
            transition: opacity 0.3s ease;
        }
        .my-logo:hover {
            opacity: 0.88;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: rgba(255, 255, 255, 0.7);
            color: rgba(255, 255, 255, 0.7);
            display: block;
            font-weight: 400;
            letter-spacing: 0.06em;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.25s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .primary-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .primary-nav li a {
            display: block;
            padding: 0.5rem 1rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            font-size: 0.9rem;
            border-radius: 6px;
            transition: background 0.25s ease, color 0.25s ease;
        }
        .primary-nav li a:hover,
        .primary-nav li a:focus {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            text-decoration: none;
        }
        .primary-nav li a.active {
            background: rgba(249, 212, 35, 0.2);
            color: #f9d423;
        }
        .breadcrumb-wrap {
            width: 100%;
            margin-top: 0.25rem;
            font-size: 0.8rem;
            opacity: 0.85;
        }
        .breadcrumb-wrap nav ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.25rem 0.5rem;
        }
        .breadcrumb-wrap nav ol li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb-wrap nav ol li a {
            color: rgba(255, 255, 255, 0.8);
        }
        .breadcrumb-wrap nav ol li a:hover {
            color: #fff;
        }
        .breadcrumb-wrap nav ol li [aria-current="page"] {
            color: #f9d423;
            font-weight: 600;
        }
        .site-main {
            flex: 1;
            max-width: 1280px;
            margin: 0 auto;
            padding: 2rem 1.25rem 3rem;
            width: 100%;
        }
        .article-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            padding: 2.5rem 2rem;
            margin-bottom: 2.5rem;
        }
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 2px solid #f0ede8;
            padding-bottom: 1.5rem;
        }
        .article-header h1 {
            font-size: 2.4rem;
            font-weight: 900;
            line-height: 1.25;
            color: #1a2a6c;
            margin-bottom: 0.75rem;
        }
        .article-header h1 .highlight {
            background: linear-gradient(135deg, #f9d423, #f7971e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 2rem;
            font-size: 0.9rem;
            color: #6b6b7a;
            margin-top: 0.5rem;
        }
        .meta-info i {
            margin-right: 0.3rem;
            color: #c44536;
        }
        .last-updated {
            font-weight: 600;
            color: #1a2a6c;
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: #1a2a6c;
            margin: 2.5rem 0 1rem 0;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #f0ede8;
        }
        .article-body h2 .emoji-lead {
            margin-right: 0.4rem;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #2d4a8e;
            margin: 1.8rem 0 0.8rem 0;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #3a3a4e;
            margin: 1.2rem 0 0.5rem 0;
        }
        .article-body p {
            margin-bottom: 1.1rem;
            font-size: 1.05rem;
            color: #2a2a38;
        }
        .article-body strong {
            color: #1a2a6c;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
        }
        .article-body li {
            margin-bottom: 0.4rem;
            font-size: 1.02rem;
        }
        .article-body blockquote {
            border-left: 5px solid #f7971e;
            background: #fdf6ee;
            padding: 1.2rem 1.8rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #3a3a4e;
        }
        .article-body blockquote cite {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-weight: 600;
            color: #1a2a6c;
            font-size: 0.9rem;
        }
        .article-body .insight-box {
            background: #eef3fc;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.5rem 0;
            border-left: 6px solid #1a2a6c;
        }
        .article-body .insight-box strong {
            color: #c44536;
        }
        .article-body .data-highlight {
            display: inline-block;
            background: #1a2a6c;
            color: #fff;
            padding: 0.1rem 0.6rem;
            border-radius: 4px;
            font-weight: 700;
            font-size: 0.95rem;
        }
        .featured-image-wrap {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            background: #f0ede8;
        }
        .featured-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            min-height: 220px;
            background: #d9d6d0;
        }
        .featured-image-wrap figcaption {
            padding: 0.75rem 1.25rem;
            font-size: 0.88rem;
            color: #5a5a6a;
            background: #f8f6f3;
            border-top: 1px solid #e8e3dc;
        }
        .search-section {
            background: linear-gradient(135deg, #f8f6f3, #eef3fc);
            border-radius: 16px;
            padding: 2rem 2rem 2.5rem;
            margin: 2.5rem 0;
            border: 1px solid #e0dcd4;
        }
        .search-section h3 {
            margin-top: 0;
            color: #1a2a6c;
            font-size: 1.5rem;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 0.75rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.85rem 1.2rem;
            border: 2px solid #d9d6d0;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.3s ease;
        }
        .search-form input[type="text"]:focus {
            outline: none;
            border-color: #1a2a6c;
            box-shadow: 0 0 0 4px rgba(26, 42, 108, 0.08);
        }
        .search-form button {
            padding: 0.85rem 2rem;
            background: #1a2a6c;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.15s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #2d4a8e;
            transform: translateY(-1px);
        }
        .search-form button:active {
            transform: translateY(0);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            border: 1px solid #e8e3dc;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            color: #1a2a6c;
        }
        .feedback-card h3 i {
            color: #f7971e;
            margin-right: 0.5rem;
        }
        .feedback-form label {
            display: block;
            font-weight: 600;
            margin: 1rem 0 0.3rem 0;
            color: #2a2a38;
            font-size: 0.95rem;
        }
        .feedback-form label:first-of-type {
            margin-top: 0.5rem;
        }
        .feedback-form input[type="text"],
        .feedback-form textarea,
        .feedback-form select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #d9d6d0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #faf9f6;
            transition: border-color 0.3s ease;
        }
        .feedback-form input[type="text"]:focus,
        .feedback-form textarea:focus,
        .feedback-form select:focus {
            outline: none;
            border-color: #1a2a6c;
            box-shadow: 0 0 0 4px rgba(26, 42, 108, 0.06);
        }
        .feedback-form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-form .star-rating {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0 0.75rem;
            font-size: 1.8rem;
            color: #d9d6d0;
            cursor: pointer;
            direction: rtl;
        }
        .feedback-form .star-rating input {
            display: none;
        }
        .feedback-form .star-rating label {
            margin: 0;
            font-size: 1.8rem;
            color: #d9d6d0;
            transition: color 0.2s ease;
            cursor: pointer;
            font-weight: 400;
        }
        .feedback-form .star-rating label:hover,
        .feedback-form .star-rating label:hover~label,
        .feedback-form .star-rating input:checked~label {
            color: #f9d423;
        }
        .feedback-form .btn-submit {
            padding: 0.8rem 2rem;
            background: #c44536;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.15s ease;
            margin-top: 0.5rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-form .btn-submit:hover {
            background: #982c1f;
            transform: translateY(-1px);
        }
        .site-footer {
            background: #1a2a6c;
            color: rgba(255, 255, 255, 0.9);
            padding: 2.5rem 1.25rem 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem 3rem;
        }
        .footer-inner h4 {
            color: #f9d423;
            font-size: 1.1rem;
            margin-bottom: 0.75rem;
            font-weight: 700;
        }
        friend-link {
            display: block;
        }
        friend-link a {
            display: inline-block;
            padding: 0.25rem 0;
            color: rgba(255, 255, 255, 0.8);
            transition: color 0.25s ease;
        }
        friend-link a:hover {
            color: #f9d423;
            text-decoration: none;
        }
        .footer-copyright {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 1.5rem;
            margin-top: 0.5rem;
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-copyright strong {
            color: rgba(255, 255, 255, 0.85);
        }
        @media (max-width: 900px) {
            .article-header h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .article-card {
                padding: 1.5rem 1rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .site-main {
                padding: 1.25rem 0.75rem 2rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(255, 255, 255, 0.05);
                border-radius: 12px;
                padding: 0.5rem;
                margin-top: 0.5rem;
                border: 1px solid rgba(255, 255, 255, 0.1);
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav li a {
                padding: 0.6rem 1rem;
                border-radius: 6px;
            }
            .header-inner {
                align-items: flex-start;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .article-header h1 {
                font-size: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .feedback-card {
                padding: 1.2rem 1rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 0.3rem;
            }
        }
        @media (max-width: 480px) {
            .article-body p {
                font-size: 0.98rem;
            }
            .article-body {
                font-size: 0.98rem;
            }
            .article-card {
                padding: 1rem 0.8rem;
                border-radius: 12px;
            }
            .breadcrumb-wrap {
                font-size: 0.7rem;
            }
            .feedback-form .star-rating {
                font-size: 1.5rem;
            }
            .feedback-form .star-rating label {
                font-size: 1.5rem;
            }
        }
        @media print {
            .site-header {
                position: static;
                background: #fff;
                color: #1a2a6c;
            }
            .site-header a {
                color: #1a2a6c;
            }
            .nav-toggle,
            .primary-nav {
                display: none !important;
            }
            .search-section,
            .feedback-grid {
                break-inside: avoid;
            }
            .article-card {
                box-shadow: none;
                border: 1px solid #ddd;
            }
            .site-footer {
                background: #f5f5f5;
                color: #333;
            }
            .site-footer a {
                color: #1a2a6c;
            }
            .footer-copyright {
                color: #666;
            }
        }