*,
        *::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: #f4f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #004d99;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 24px 24px 0 0;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
            overflow: hidden;
            padding: 1.5rem 2rem 2rem;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem;
            border-bottom: 2px solid #e9edf2;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #003366, #1a5276);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(0, 51, 102, 0.08);
        }
        .my-logo small {
            font-size: 0.75rem;
            font-weight: 400;
            -webkit-text-fill-color: #5a6a7a;
            display: block;
            letter-spacing: 0.3px;
        }
        .my-logo a {
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        nav {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            font-weight: 600;
            font-size: 0.95rem;
            color: #1a2a3a;
            padding: 0.3rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        nav a:hover {
            border-bottom-color: #e63946;
            color: #e63946;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #1a2a3a;
            padding: 0.2rem 0.5rem;
            transition: 0.2s;
        }
        .hamburger:hover {
            color: #e63946;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 1rem 0 0.2rem;
            font-size: 0.88rem;
            color: #5a6a7a;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #a0b0c0;
            font-weight: 700;
            margin-right: 0.4rem;
        }
        .breadcrumb a {
            color: #004d99;
        }
        .breadcrumb .current {
            color: #2c3e50;
            font-weight: 600;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.2rem 0 1rem;
            background: linear-gradient(135deg, #003366, #1a5276);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #e9edf2;
            color: #0b2a41;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 2rem 0 0.8rem;
            color: #1a3c5e;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.5rem 0 0.5rem;
            color: #2c4a6e;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #1e2a3a;
        }
        .highlight {
            background: #f0f6fe;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
        }
        .feature-image {
            margin: 2rem 0 2.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .feature-image figcaption {
            padding: 0.8rem 1rem;
            font-size: 0.9rem;
            color: #4a5a6a;
            background: #f8fafc;
            border-top: 1px solid #e9edf2;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
            border-radius: 12px;
            border: 1px solid #e4e9ef;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 600px;
        }
        th {
            background: #0b2a41;
            color: white;
            padding: 0.9rem 1rem;
            font-weight: 600;
            text-align: left;
        }
        td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #e9edf2;
        }
        tr:nth-child(even) td {
            background: #f8fafc;
        }
        tr:hover td {
            background: #eef4fa;
        }
        .search-box {
            background: #f0f6fe;
            border-radius: 60px;
            padding: 0.5rem 0.5rem 0.5rem 1.5rem;
            display: flex;
            align-items: center;
            max-width: 480px;
            margin: 1.5rem 0 2rem;
            border: 1px solid #d0dce8;
            transition: 0.3s;
        }
        .search-box:focus-within {
            border-color: #004d99;
            box-shadow: 0 0 0 4px rgba(0, 77, 153, 0.1);
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.7rem 0.5rem;
            font-size: 1rem;
            outline: none;
            font-family: inherit;
        }
        .search-box button {
            background: #004d99;
            color: white;
            border: none;
            border-radius: 40px;
            padding: 0.6rem 1.6rem;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.2s;
            font-family: inherit;
        }
        .search-box button:hover {
            background: #003366;
            transform: scale(1.02);
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 3rem 0 2rem;
            padding: 2rem;
            background: #f8fafc;
            border-radius: 20px;
            border: 1px solid #e4e9ef;
        }
        @media (max-width:700px) {
            .interaction-area {
                grid-template-columns: 1fr;
                gap: 2rem;
                padding: 1.5rem;
            }
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
            border-bottom: none;
            font-size: 1.4rem;
        }
        .comment-section form,
        .rating-section form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.5rem;
        }
        .comment-section textarea,
        .comment-section input,
        .rating-section input,
        .rating-section select {
            padding: 0.8rem 1rem;
            border: 1px solid #d0dce8;
            border-radius: 10px;
            font-family: inherit;
            font-size: 0.95rem;
            background: white;
            transition: 0.2s;
            width: 100%;
        }
        .comment-section textarea:focus,
        .comment-section input:focus,
        .rating-section input:focus,
        .rating-section select:focus {
            border-color: #004d99;
            box-shadow: 0 0 0 3px rgba(0, 77, 153, 0.08);
            outline: none;
        }
        .comment-section textarea {
            min-height: 90px;
            resize: vertical;
        }
        .btn-submit {
            background: #004d99;
            color: white;
            border: none;
            border-radius: 40px;
            padding: 0.8rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            align-self: flex-start;
            font-family: inherit;
        }
        .btn-submit:hover {
            background: #003366;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 77, 153, 0.25);
        }
        .star-select {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #f4c430;
            cursor: pointer;
        }
        .star-select i {
            transition: 0.15s;
        }
        .star-select i:hover,
        .star-select i.active {
            transform: scale(1.15);
            color: #f7b731;
        }
        footer {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e9edf2;
            font-size: 0.95rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            padding-bottom: 1.5rem;
        }
        @media (max-width:700px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-grid .col:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width:480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid .col:first-child {
                grid-column: 1;
            }
        }
        footer h4 {
            color: #0b2a41;
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        footer ul {
            list-style: none;
            padding: 0;
        }
        footer li {
            margin-bottom: 0.5rem;
        }
        footer a {
            color: #2c5a7a;
        }
        footer a:hover {
            color: #e63946;
        }
        friend-link {
            display: block;
            background: #f0f6fe;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            margin: 1.5rem 0 1rem;
            font-size: 0.95rem;
            border-left: 4px solid #004d99;
        }
        friend-link a {
            font-weight: 500;
            margin: 0 0.6rem 0 0;
            display: inline-block;
        }
        .copyright {
            text-align: center;
            padding: 1.5rem 0 0.8rem;
            color: #5a6a7a;
            font-size: 0.9rem;
            border-top: 1px solid #e4e9ef;
            margin-top: 1rem;
        }
        @media (max-width:820px) {
            .container {
                padding: 1rem 1.2rem 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: white;
                padding: 1rem 0 1.2rem;
                gap: 0.6rem;
                border-top: 1px solid #e9edf2;
                margin-top: 0.8rem;
            }
            nav.open {
                display: flex;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            header {
                flex-wrap: wrap;
            }
        }
        @media (max-width:480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            p {
                font-size: 0.98rem;
            }
            .search-box {
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 0.6rem 0.6rem 0.6rem 1rem;
            }
            .search-box button {
                padding: 0.5rem 1.2rem;
                font-size: 0.85rem;
                margin-top: 0.3rem;
                width: 100%;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        .last-update {
            font-size: 0.9rem;
            color: #5a6a7a;
            background: #f0f4f9;
            display: inline-block;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            margin: 0.5rem 0 1.2rem;
        }
        .content-section {
            margin: 1.2rem 0;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1.2rem;
            padding: 0.8rem 0;
        }
        .link-list-inline a {
            font-weight: 500;
        }
        .sticky-side {
            position: relative;
        }