* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #f5f7fa;
            color: #1e293b;
            line-height: 1.7;
            font-size: 1.05rem;
            padding: 0 1rem;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: #1e40af;
            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 30px rgba(0, 0, 0, .06);
            border-radius: 24px;
            padding: 1.8rem 2.2rem;
            margin-top: 1.5rem;
            margin-bottom: 2rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 1.2rem;
            border-bottom: 2px solid #e9edf4;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 700;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            transition: transform .2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: .9rem;
            font-weight: 400;
            -webkit-text-fill-color: #64748b;
            background: none;
            color: #64748b;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .nav-list {
            display: flex;
            gap: 1.6rem;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-list a {
            font-weight: 500;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color .2s, color .2s;
        }
        .nav-list a:hover {
            border-bottom-color: #3b82f6;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e293b;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: color .2s;
        }
        .hamburger:hover {
            color: #3b82f6;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.8rem;
            padding: 0.9rem 0 0.3rem;
            font-size: 0.9rem;
            color: #64748b;
        }
        .breadcrumb a {
            color: #3b82f6;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #94a3b8;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.2rem 0 0.8rem;
            background: linear-gradient(135deg, #1e293b, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 2.4rem 0 1rem 0;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #e9edf4;
            color: #0f172a;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem 0;
            color: #1e293b;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.2rem 0 0.5rem 0;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .lead {
            font-size: 1.2rem;
            color: #475569;
            border-left: 4px solid #3b82f6;
            padding-left: 1.2rem;
            margin: 1.2rem 0 1.8rem;
        }
        .featured-image {
            margin: 1.8rem 0 2rem;
            border-radius: 16px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, .08);
        }
        .featured-image figcaption {
            font-size: 0.85rem;
            color: #64748b;
            margin-top: 0.5rem;
            text-align: center;
            font-style: italic;
        }
        .search-form {
            display: flex;
            max-width: 520px;
            margin: 1.6rem 0 2rem;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
            border: 1px solid #d1d9e6;
            transition: box-shadow .2s;
        }
        .search-form:focus-within {
            box-shadow: 0 4px 20px rgba(59, 130, 246, .15);
            border-color: #3b82f6;
        }
        .search-form input[type="text"] {
            flex: 1;
            border: none;
            padding: 0.8rem 1.2rem;
            font-size: 1rem;
            outline: none;
            background: #fff;
            min-width: 0;
        }
        .search-form button {
            background: #3b82f6;
            color: #fff;
            border: none;
            padding: 0.8rem 1.8rem;
            font-size: 1rem;
            cursor: pointer;
            transition: background .2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #2563eb;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.4rem 0 1.8rem;
            padding: 1.8rem 2rem;
            background: #f8fafc;
            border-radius: 20px;
            border: 1px solid #e2e8f0;
        }
        .feedback-section h3 {
            margin-top: 0;
        }
        .feedback-section form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-section input,
        .feedback-section textarea,
        .feedback-section select {
            padding: 0.6rem 1rem;
            border: 1px solid #cbd5e1;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border .2s;
        }
        .feedback-section input:focus,
        .feedback-section textarea:focus,
        .feedback-section select:focus {
            border-color: #3b82f6;
            outline: none;
        }
        .feedback-section textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-section .btn {
            background: #3b82f6;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 60px;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s, transform .1s;
            align-self: flex-start;
        }
        .feedback-section .btn:hover {
            background: #2563eb;
            transform: translateY(-1px);
        }
        .score-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.8rem;
        }
        .site-footer {
            margin-top: 2.8rem;
            padding-top: 1.8rem;
            border-top: 2px solid #e9edf4;
            font-size: 0.95rem;
            color: #475569;
        }
        .site-footer friend-link {
            display: block;
            margin: 1rem 0 0.8rem;
            font-weight: 500;
        }
        .site-footer friend-link a {
            margin: 0 0.6rem 0 0;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0 0.2rem;
            gap: 1rem;
        }
        .copyright {
            color: #64748b;
            font-size: 0.9rem;
        }
        .last-update {
            color: #64748b;
            font-size: 0.85rem;
            background: #f1f5f9;
            padding: 0.2rem 1rem;
            border-radius: 40px;
        }
        @media (max-width: 820px) {
            .container {
                padding: 1rem 1.2rem;
                margin-top: 0.8rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .feedback-section {
                grid-template-columns: 1fr;
                padding: 1.2rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 1rem 0 0.8rem;
                gap: 0.8rem;
                border-top: 1px solid #e2e8f0;
                margin-top: 0.8rem;
            }
            .nav-list.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .site-header {
                flex-wrap: wrap;
            }
            .nav-wrapper {
                width: auto;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0.8rem 0.9rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .search-form button span {
                display: none;
            }
        }
        .highlight {
            background: #fef9c3;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .stats-box {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.2rem 1.6rem;
            margin: 1.2rem 0;
            border-left: 4px solid #3b82f6;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .inline-icon {
            margin-right: 0.3rem;
            color: #3b82f6;
        }
        .schema-hidden {
            display: none;
        }