*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #fafaf8;
            color: #1e1e1e;
            line-height: 1.75;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #b22234;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #7a1a1d;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        :focus-visible {
            outline: 2px solid #b22234;
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0a1f2e 0%, #1b3a4b 100%);
            color: #fff;
            padding: 1rem 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: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f7d94e;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
            color: #f7d94e;
        }
        .my-logo i {
            font-size: 1.5rem;
        }
        .my-logo span {
            font-weight: 300;
            color: #fff;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.25rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #e8e8e8;
            padding: 0.5rem 0.9rem;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            display: block;
        }
        .nav-list li a:hover,
        .nav-list li a:focus-visible {
            background: rgba(247, 217, 78, 0.15);
            color: #f7d94e;
            text-decoration: none;
        }
        .nav-list li a.active {
            background: rgba(247, 217, 78, 0.2);
            color: #f7d94e;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #f0ede8;
            padding: 0.7rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #ddd8d0;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem;
        }
        .breadcrumb a {
            color: #5a4e42;
        }
        .breadcrumb a:hover {
            color: #b22234;
        }
        .breadcrumb .sep {
            color: #a09888;
            margin: 0 0.2rem;
        }
        .breadcrumb .current {
            color: #2d2a26;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #0f2a38 0%, #1e4a5e 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            margin-bottom: 2.5rem;
            border-bottom: 4px solid #f7d94e;
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
        }
        .hero h1 i {
            color: #f7d94e;
            margin-right: 0.3rem;
        }
        .hero .subtitle {
            font-size: 1.2rem;
            max-width: 720px;
            opacity: 0.9;
            margin-bottom: 1rem;
            font-weight: 300;
        }
        .hero .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .hero .meta-line i {
            margin-right: 0.35rem;
        }
        .last-updated {
            background: rgba(247, 217, 78, 0.18);
            padding: 0.25rem 1rem;
            border-radius: 30px;
            display: inline-block;
            font-weight: 500;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 0 0 3rem;
        }
        .main-column {
            min-width: 0;
        }
        .sidebar-column {
            min-width: 0;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 2.5rem 0 1rem 0;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #b22234;
            color: #0f2a38;
            letter-spacing: -0.01em;
        }
        h2 i {
            color: #b22234;
            margin-right: 0.5rem;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem 0;
            color: #1b3a4b;
        }
        h3 i {
            margin-right: 0.4rem;
            color: #b22234;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 1.2rem 0 0.5rem 0;
            color: #2d4a5a;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .lead {
            font-size: 1.15rem;
            font-weight: 400;
            color: #2d2a26;
        }
        .highlight-box {
            background: #f0ede8;
            border-left: 5px solid #b22234;
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #fff;
            border: 1px solid #ddd8d0;
            border-radius: 12px;
            padding: 1.2rem 1rem;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .stat-card .number {
            font-size: 2rem;
            font-weight: 800;
            color: #b22234;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #5a4e42;
            margin-top: 0.25rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.75rem 1rem;
            border: 1px solid #ddd8d0;
            text-align: left;
        }
        th {
            background: #0f2a38;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8f6f2;
        }
        .blockquote {
            font-style: italic;
            background: #f0ede8;
            padding: 1.2rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            border-left: 5px solid #f7d94e;
        }
        .blockquote cite {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-weight: 600;
            color: #5a4e42;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f0ede8;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #5a4e42;
        }
        .search-section {
            background: #fff;
            border: 1px solid #ddd8d0;
            border-radius: 12px;
            padding: 1.5rem;
            margin: 2rem 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd8d0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #b22234;
            outline: none;
        }
        .search-form button {
            background: #b22234;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #7a1a1d;
            transform: scale(1.02);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .card-interact {
            background: #fff;
            border: 1px solid #ddd8d0;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .card-interact h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .card-interact form {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .card-interact input,
        .card-interact textarea,
        .card-interact select {
            padding: 0.65rem 1rem;
            border: 2px solid #ddd8d0;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s;
        }
        .card-interact input:focus,
        .card-interact textarea:focus,
        .card-interact select:focus {
            border-color: #b22234;
            outline: none;
        }
        .card-interact textarea {
            min-height: 80px;
            resize: vertical;
        }
        .card-interact button {
            background: #0f2a38;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
        }
        .card-interact button:hover {
            background: #1b3a4b;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #e0d8c8;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7d94e;
        }
        .sidebar-card {
            background: #fff;
            border: 1px solid #ddd8d0;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.15rem;
            border-bottom: 2px solid #f0ede8;
            padding-bottom: 0.5rem;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-links li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f0ede8;
        }
        .sidebar-links li:last-child {
            border-bottom: none;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
        }
        .sidebar-links a i {
            color: #b22234;
            width: 1.2rem;
            text-align: center;
        }
        .site-footer {
            background: #0a1f2e;
            color: #c8d6d6;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
            border-top: 4px solid #f7d94e;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f7d94e;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-inner a {
            color: #b8d0d0;
        }
        .footer-inner a:hover {
            color: #f7d94e;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            padding: 0.25rem 0;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #2a4a5a;
            padding-top: 1.2rem;
            margin-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #8aa0a8;
        }
        friend-link {
            display: block;
            font-style: normal;
        }
        friend-link a {
            margin: 0 0.3rem;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar-column {
                order: 2;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f2a38;
                border-radius: 0 0 12px 12px;
                padding: 0.5rem 0;
                margin-top: 0.75rem;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.7rem 1.2rem;
                border-radius: 0;
            }
            .header-inner {
                position: relative;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                width: 100%;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: auto;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .hero {
                padding: 2rem 0 1.5rem;
            }
            .container {
                padding: 0 0.9rem;
            }
            .card-interact {
                padding: 1rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }