*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: #1a1a2e;
            background: #f8f9fc;
            padding: 0 16px;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #0046ad;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        a:hover {
            color: #002a66;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #0b1e33;
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.4rem;
            border-bottom: 4px solid #0046ad;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #0046ad;
            padding-left: 0.8rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.3rem;
            color: #002855;
        }
        h4 {
            font-size: 1.1rem;
            color: #1a3a5c;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
            color: #2c2c3e;
        }
        .container {
            background: #ffffff;
            border-radius: 20px 20px 0 0;
            padding: 20px 24px 40px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.04);
            margin-top: 0;
        }
        @media (max-width: 640px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 12px 32px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 8px;
            background: #ffffff;
            border-radius: 0 0 20px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
            position: relative;
            z-index: 100;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0046ad, #1e3c72);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-block;
            line-height: 1.2;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #3a5a7a;
            color: #3a5a7a;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: #0046ad;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef4ff;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px 16px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            padding: 6px 10px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #1a2a44;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            background: #eef4ff;
            color: #0046ad;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 4px;
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
                order: 3;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 8px;
                border-top: 1px solid #e0e8f0;
                margin-top: 12px;
                order: 4;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu li a {
                display: block;
                padding: 10px 12px;
                border-radius: 6px;
            }
            .logo-area {
                flex: 1;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px 8px;
            font-size: 0.85rem;
            color: #5a6a7a;
            padding: 8px 0 4px;
            margin-bottom: 4px;
            list-style: none;
        }
        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #8a9aaa;
            font-size: 1.1rem;
            margin-right: 4px;
        }
        .breadcrumb a {
            color: #0046ad;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: #f0f5fe;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 20px 0 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }
        .search-section label {
            font-weight: 600;
            color: #0046ad;
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 1rem;
        }
        .search-form {
            display: flex;
            flex: 1;
            min-width: 200px;
            gap: 8px;
        }
        .search-form input[type="search"] {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid #ccd9ec;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s, box-shadow 0.3s;
            background: #fff;
        }
        .search-form input[type="search"]:focus {
            border-color: #0046ad;
            box-shadow: 0 0 0 4px rgba(0, 70, 173, 0.12);
        }
        .search-form button {
            padding: 10px 22px;
            background: #0046ad;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: #002a66;
            transform: scale(0.97);
        }
        @media (max-width: 600px) {
            .search-section {
                flex-direction: column;
                padding: 16px;
            }
            .search-form {
                width: 100%;
            }
        }
        .featured-image {
            margin: 24px 0 28px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            background: #f0f5fe;
            font-size: 0.85rem;
            color: #2a4a6a;
            font-style: italic;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 10px 16px;
            background: #f7faff;
            padding: 18px 20px;
            border-radius: 14px;
            border: 1px solid #dee8f4;
            margin: 20px 0;
        }
        .link-grid a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 0;
            font-weight: 500;
        }
        .link-grid a i {
            font-size: 0.7rem;
            color: #0046ad;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 32px 0 16px;
        }
        .feedback-card {
            background: #f7faff;
            border: 1px solid #dee8f4;
            border-radius: 16px;
            padding: 18px 20px 22px;
        }
        .feedback-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.05rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid #d0dcee;
            border-radius: 10px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.25s;
            font-family: inherit;
            background: #fff;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #0046ad;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 10px 18px;
            background: #0046ad;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #002a66;
            transform: scale(0.97);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.7rem;
            color: #c0c8d8;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
            transform: scale(1.05);
        }
        @media (max-width: 640px) {
            .feedback-section {
                grid-template-columns: 1fr;
            }
        }
        .site-footer {
            background: #0b1e33;
            color: #c8d8e8;
            border-radius: 20px 20px 0 0;
            padding: 32px 24px 20px;
            margin-top: 40px;
        }
        .site-footer a {
            color: #7aa9e6;
        }
        .site-footer a:hover {
            color: #b0ccf0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 28px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-inner h4 {
            color: #ffffff;
            margin-top: 0;
            font-size: 1.05rem;
            border-left: 3px solid #4a80c0;
            padding-left: 10px;
        }
        friend-link {
            display: block;
            margin: 6px 0;
        }
        friend-link a {
            display: inline-block;
            padding: 2px 0;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #1e3a5a;
            padding-top: 16px;
            margin-top: 12px;
            font-size: 0.85rem;
            text-align: center;
            color: #8a9aaa;
        }
        @media (max-width: 700px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 24px 16px 16px;
            }
        }
        .badge {
            display: inline-block;
            background: #eef4ff;
            color: #0046ad;
            padding: 2px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 4px solid #0046ad;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .updated {
            font-size: 0.85rem;
            color: #6a7a8a;
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 4px 0 12px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
            border-radius: 12px;
            border: 1px solid #dee8f4;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 500px;
        }
        th {
            background: #0046ad;
            color: #fff;
            padding: 10px 14px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 10px 14px;
            border-bottom: 1px solid #e6eef8;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f4f8ff;
        }
        .emoji-big {
            font-size: 1.8rem;
            margin-right: 6px;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 16px 0;
        }
        @media (max-width: 700px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
        }