*,
        *::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, sans-serif;
            background: #f4f7fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e67e22;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0 12px;
            border-bottom: 2px solid #d0dfed;
            position: relative;
            background: #fff;
            border-radius: 0 0 16px 16px;
            padding-left: 20px;
            padding-right: 20px;
            margin-top: 8px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #0f3b5e;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: #e67e22;
            font-size: 2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #1a5276;
        }
        .nav-container {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px 18px;
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            font-weight: 600;
            padding: 6px 10px;
            border-radius: 8px;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a:hover {
            background: #eef3f9;
            color: #e67e22;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0f3b5e;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef3f9;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 12px 0 6px;
            margin: 0;
            font-size: 0.9rem;
            color: #5a6e7e;
            width: 100%;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 10px;
            color: #9aabb8;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #3a6b8a;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        main {
            background: #fff;
            border-radius: 20px;
            padding: 28px 24px 40px;
            margin: 20px 0 20px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0a2740;
            line-height: 1.2;
            margin: 0 0 10px;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #e67e22;
            margin-right: 10px;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0f3b5e;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #e67e22;
            display: inline-block;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #1a4a6e;
            margin: 32px 0 12px;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #2a5a7e;
            margin: 24px 0 8px;
        }
        .last-updated {
            display: inline-block;
            background: #eef5fa;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #2a5a7e;
            margin-bottom: 20px;
        }
        .hero-image {
            margin: 20px 0 30px;
            border-radius: 16px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .hero-image img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            border-radius: 16px;
        }
        .hero-image figcaption {
            font-size: 0.85rem;
            color: #5a7a8e;
            margin-top: 6px;
            text-align: center;
            font-style: italic;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .content-section {
            max-width: 100%;
        }
        .inline-link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            padding: 6px 0 12px;
            list-style: none;
        }
        .inline-link-list li a {
            background: #f0f5fa;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            display: inline-block;
            border: 1px solid #dce6ef;
            transition: all 0.2s;
        }
        .inline-link-list li a:hover {
            background: #e67e22;
            color: #fff;
            border-color: #e67e22;
            text-decoration: none;
        }
        .interactive-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 48px 0 20px;
            padding-top: 30px;
            border-top: 2px solid #e2eaf2;
        }
        .interactive-card {
            background: #f8fafd;
            border-radius: 16px;
            padding: 24px 22px;
            border: 1px solid #e2eaf2;
            transition: box-shadow 0.3s;
        }
        .interactive-card:hover {
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.05);
        }
        .interactive-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 12px;
        }
        .interactive-card input,
        .interactive-card textarea {
            padding: 12px 16px;
            border: 1px solid #d0dde8;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
        }
        .interactive-card input:focus,
        .interactive-card textarea:focus {
            outline: none;
            border-color: #e67e22;
            box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.12);
        }
        .interactive-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .btn-primary {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }
        .btn-primary:hover {
            background: #e67e22;
            transform: scale(1.02);
        }
        .btn-primary i {
            font-size: 1.1rem;
        }
        .score-stars {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            color: #d0dde8;
            cursor: pointer;
            margin: 6px 0 10px;
            flex-wrap: wrap;
        }
        .score-stars .star {
            transition: color 0.2s, transform 0.15s;
        }
        .score-stars .star:hover,
        .score-stars .star.active {
            color: #f1c40f;
            transform: scale(1.15);
        }
        .score-stars .star.selected {
            color: #f1c40f;
        }
        .site-footer {
            background: #0a1f2e;
            color: #cbd8e6;
            border-radius: 20px 20px 0 0;
            padding: 32px 28px 20px;
            margin: 28px 0 0;
            font-size: 0.95rem;
        }
        .site-footer a {
            color: #9fc5e8;
        }
        .site-footer a:hover {
            color: #f0c27a;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 24px;
        }
        .footer-grid h4 {
            color: #eef5fa;
            margin: 0 0 12px;
            font-size: 1.1rem;
            border-bottom: 2px solid #2a4a6e;
            padding-bottom: 6px;
            display: inline-block;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid ul li {
            margin-bottom: 6px;
        }
        friend-link {
            display: block;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid #2a4a6e;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin-right: 24px;
            padding: 4px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 18px;
            border-top: 1px solid #2a4a6e;
            margin-top: 18px;
            font-size: 0.85rem;
            color: #8aa3b8;
        }
        @media (max-width: 900px) {
            .interactive-area {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .site-header {
                padding: 12px 16px;
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 12px 0 8px;
                border-top: 1px solid #dce6ef;
                margin-top: 10px;
                gap: 2px;
            }
            .nav-list.show {
                display: flex;
            }
            .nav-list li a {
                padding: 10px 14px;
                border-radius: 6px;
                font-size: 1rem;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            main {
                padding: 18px 14px 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .inline-link-list {
                gap: 6px 10px;
            }
            .inline-link-list li a {
                font-size: 0.8rem;
                padding: 3px 12px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.25rem;
            }
            .interactive-card {
                padding: 16px 14px;
            }
            .score-stars {
                font-size: 1.7rem;
            }
            .btn-primary {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
        }
        .highlight {
            background: #fef6e7;
            padding: 2px 8px;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 4px;
        }
        .card-tip {
            background: #e8f0f8;
            border-left: 5px solid #e67e22;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .card-tip i {
            color: #e67e22;
            margin-right: 10px;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 16px 0;
        }
        @media (max-width: 640px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 10px 14px;
            border: 1px solid #dce6ef;
            text-align: left;
        }
        th {
            background: #0f3b5e;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f6f9fc;
        }