*,
        *::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: #1e2a3a;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #0a5c8a;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover {
            color: #e67e22;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            border-radius: 28px;
            padding: 24px 32px 40px;
            margin-top: 20px;
            margin-bottom: 40px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 16px;
            border-bottom: 2px solid #e9edf4;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #0a3060;
            background: linear-gradient(145deg, #0a3060, #1a6a9a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            font-size: 2.2rem;
            -webkit-text-fill-color: #1a6a9a;
            color: #1a6a9a;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #4a6a8a;
            color: #4a6a8a;
            letter-spacing: 0.3px;
        }
        .my-logo a {
            text-decoration: none;
            color: inherit;
            -webkit-text-fill-color: inherit;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 0.95rem;
            color: #1e3a5a;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .main-nav a:hover {
            border-bottom-color: #0a5c8a;
            color: #0a5c8a;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0a3060;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e9edf4;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 12px;
            padding: 12px 0 8px;
            font-size: 0.85rem;
            color: #5a7a9a;
        }
        .breadcrumb a {
            color: #0a5c8a;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        .breadcrumb .sep {
            color: #b0c4d8;
            font-weight: 300;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0a3060;
            margin: 20px 0 12px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #123a5a;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #dce3ed;
            line-height: 1.3;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1a4a6a;
            margin: 32px 0 12px;
            line-height: 1.35;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2a5a7a;
            margin: 24px 0 8px;
            line-height: 1.4;
        }
        p {
            margin: 0 0 18px;
            font-size: 1.05rem;
            color: #1e2e3e;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #2a4a6a;
            background: #f0f5fb;
            padding: 20px 24px;
            border-radius: 16px;
            border-left: 6px solid #0a5c8a;
            margin: 24px 0 32px;
        }
        .highlight {
            font-weight: 700;
            color: #0a3060;
        }
        .emoji {
            font-style: normal;
        }
        .feature-image {
            margin: 32px 0 28px;
            border-radius: 16px;
            background: #f0f5fb;
            padding: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .feature-image figcaption {
            font-size: 0.9rem;
            color: #4a6a8a;
            padding: 12px 8px 4px;
            font-style: italic;
            text-align: center;
        }
        .resource-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 12px;
            background: #f7faff;
            padding: 20px 24px;
            border-radius: 18px;
            margin: 28px 0;
            border: 1px solid #dce6f0;
        }
        .resource-list a {
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .resource-list a i {
            font-size: 0.8rem;
            color: #0a5c8a;
        }
        .search-box {
            background: #f0f5fb;
            padding: 28px 32px;
            border-radius: 20px;
            margin: 40px 0 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            border: 1px solid #dce6f0;
        }
        .search-box label {
            font-weight: 700;
            font-size: 1.1rem;
            color: #0a3060;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-box input[type="text"] {
            flex: 2 1 260px;
            padding: 14px 18px;
            border: 2px solid #c8d6e5;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: 0.25s;
            outline: none;
        }
        .search-box input[type="text"]:focus {
            border-color: #0a5c8a;
            box-shadow: 0 0 0 4px rgba(10, 92, 138, 0.12);
        }
        .search-box button {
            padding: 14px 32px;
            background: #0a5c8a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .search-box button:hover {
            background: #e67e22;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 44px 0 32px;
        }
        .feedback-card {
            background: #f7faff;
            border-radius: 20px;
            padding: 24px 28px;
            border: 1px solid #dce6f0;
        }
        .feedback-card h3 {
            margin-top: 0;
            border-bottom: 2px solid #dce6f0;
            padding-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card textarea,
        .feedback-card input[type="number"],
        .feedback-card input[type="text"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #c8d6e5;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: 0.2s;
            outline: none;
            margin-bottom: 12px;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: #0a5c8a;
            box-shadow: 0 0 0 4px rgba(10, 92, 138, 0.08);
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 12px 28px;
            background: #0a5c8a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card button:hover {
            background: #e67e22;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #e0e7ef;
            cursor: pointer;
            margin: 6px 0 14px;
            transition: 0.2s;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating i.active,
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: #f1c40f;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .interview-block {
            background: #eef4fa;
            border-radius: 20px;
            padding: 28px 32px;
            margin: 36px 0;
            border-left: 6px solid #0a5c8a;
            position: relative;
        }
        .interview-block::before {
            content: '\201C';
            font-size: 4rem;
            color: #0a5c8a20;
            position: absolute;
            top: 8px;
            left: 20px;
            font-family: Georgia, serif;
            line-height: 1;
        }
        .interview-block p {
            font-style: italic;
            font-size: 1.08rem;
            color: #1a3a5a;
        }
        .interview-block .attribution {
            font-weight: 700;
            font-style: normal;
            color: #0a3060;
            margin-top: 12px;
            display: block;
        }
        .rules-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }
        .rules-table th {
            background: #0a3060;
            color: #fff;
            padding: 14px 18px;
            font-weight: 700;
            text-align: left;
        }
        .rules-table td {
            padding: 12px 18px;
            border-bottom: 1px solid #e0e8f0;
            background: #fafcff;
        }
        .rules-table tr:last-child td {
            border-bottom: none;
        }
        .rules-table tr:hover td {
            background: #eef4fa;
        }
        .site-footer {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 2px solid #e0e8f0;
        }
        friend-link {
            display: block;
            padding: 20px 0 16px;
            font-size: 0.95rem;
            color: #1e3a5a;
        }
        friend-link a {
            display: inline-block;
            padding: 6px 14px;
            background: #f0f5fb;
            border-radius: 30px;
            margin: 4px 6px 4px 0;
            font-weight: 500;
            transition: 0.2s;
            border: 1px solid #dce6f0;
        }
        friend-link a:hover {
            background: #0a5c8a;
            color: #fff;
            text-decoration: none;
            border-color: #0a5c8a;
        }
        .copyright {
            text-align: center;
            padding: 20px 0 12px;
            font-size: 0.88rem;
            color: #5a7a9a;
            border-top: 1px solid #e0e8f0;
            margin-top: 16px;
        }
        .copyright strong {
            color: #0a3060;
        }
        .last-updated {
            text-align: right;
            font-size: 0.85rem;
            color: #6a8aaa;
            margin: 8px 0 0;
        }
        @media (max-width: 820px) {
            .container {
                padding: 16px 16px 32px;
                border-radius: 16px;
                margin-top: 12px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 6px;
                padding: 16px 0 8px;
                border-top: 1px solid #dce6f0;
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .site-header {
                align-items: center;
            }
            .resource-list {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 10px 12px 24px;
            }
            h1 {
                font-size: 1.6rem;
            }
            .search-box {
                padding: 18px 16px;
                flex-direction: column;
                align-items: stretch;
            }
            .search-box button {
                justify-content: center;
            }
            .resource-list {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.6rem;
            }
            .feedback-card {
                padding: 16px 14px;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        .clearfix::after {
            content: '';
            display: table;
            clear: both;
        }
        .text-small {
            font-size: 0.9rem;
            color: #5a7a9a;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .schema-hidden {
            display: none;
        }