* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f7f9fc;
            color: #1a2634;
            line-height: 1.7;
            padding: 0 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 32px;
            padding: 20px 28px 40px;
            margin-top: 20px;
            margin-bottom: 40px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 16px;
            border-bottom: 2px solid #eef2f7;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-decoration: none;
            color: #1a2634;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo span {
            font-weight: 300;
            -webkit-text-fill-color: #4b5563;
            color: #4b5563;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #1a2634;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0f2f5;
        }
        nav {
            display: flex;
            gap: 12px 24px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            text-decoration: none;
            color: #2d3b4a;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        nav a:hover {
            color: #d97706;
            border-bottom-color: #d97706;
        }
        .breadcrumb {
            width: 100%;
            margin-top: 12px;
            font-size: 0.85rem;
            color: #6b7a8a;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #d97706;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #9aa6b5;
        }
        .search-bar {
            display: flex;
            max-width: 600px;
            margin: 28px 0 24px;
            border-radius: 60px;
            overflow: hidden;
            border: 1px solid #dce2ea;
            background: #f9fafb;
            transition: box-shadow 0.2s;
        }
        .search-bar:focus-within {
            box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.2);
            border-color: #d97706;
        }
        .search-bar input {
            flex: 1;
            padding: 14px 20px;
            border: none;
            background: transparent;
            font-size: 1rem;
            outline: none;
            color: #1a2634;
        }
        .search-bar button {
            background: #d97706;
            color: #fff;
            border: none;
            padding: 0 24px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-bar button:hover {
            background: #b85e04;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 12px 0 20px;
            color: #0f172a;
        }
        h1 i {
            color: #d97706;
            margin-right: 12px;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f59e0b;
            color: #0f172a;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 28px 0 12px;
            color: #1e293b;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 20px 0 8px;
            color: #334155;
        }
        p {
            margin-bottom: 18px;
            color: #2d3b4a;
            font-size: 1.05rem;
        }
        .last-updated {
            display: inline-block;
            background: #fef3c7;
            color: #92400e;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid #fbbf24;
        }
        .feature-image {
            width: 100%;
            border-radius: 20px;
            margin: 24px 0 32px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            display: block;
            max-width: 100%;
            height: auto;
            background: #eef2f7;
        }
        .highlight-box {
            background: #fef9ee;
            border-left: 5px solid #f59e0b;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 28px 0;
        }
        .stat-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 20px 16px;
            text-align: center;
            border: 1px solid #e9edf2;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
        }
        .stat-card i {
            font-size: 2rem;
            color: #d97706;
            margin-bottom: 8px;
        }
        .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0f172a;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #64748b;
            font-weight: 500;
        }
        .link-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin: 16px 0 24px;
        }
        .link-list li a {
            color: #d97706;
            text-decoration: none;
            font-weight: 500;
            border-bottom: 1px dotted #d97706;
        }
        .link-list li a:hover {
            color: #92400e;
            border-bottom-style: solid;
        }
        .feedback-section {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid #eef2f7;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        @media (max-width:768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .comment-box,
        .rating-box {
            background: #f9fafb;
            border-radius: 20px;
            padding: 24px;
            border: 1px solid #e9edf2;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
        }
        .comment-box textarea,
        .comment-box input {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid #dce2ea;
            font-size: 0.95rem;
            margin-bottom: 12px;
            background: #fff;
            resize: vertical;
            font-family: inherit;
        }
        .comment-box textarea:focus,
        .comment-box input:focus {
            outline: none;
            border-color: #d97706;
            box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
        }
        .comment-box button,
        .rating-box button {
            background: #d97706;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-box button:hover,
        .rating-box button:hover {
            background: #b85e04;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            margin: 12px 0 16px;
            cursor: pointer;
            color: #d1d5db;
            transition: color 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f59e0b;
        }
        footer {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid #eef2f7;
        }
        friend-link {
            display: block;
            padding: 20px 0;
            font-style: normal;
        }
        friend-link a {
            color: #d97706;
            text-decoration: none;
            font-weight: 500;
            margin: 0 8px 8px 0;
            display: inline-block;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            color: #6b7a8a;
            font-size: 0.9rem;
            padding: 16px 0 8px;
            border-top: 1px solid #eef2f7;
            margin-top: 8px;
        }
        @media (max-width: 900px) {
            .container {
                padding: 16px;
                border-radius: 20px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 8px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 10px 0;
                border-bottom: 1px solid #eef2f7;
                width: 100%;
            }
            .search-bar {
                flex-direction: column;
                border-radius: 20px;
            }
            .search-bar input {
                padding: 12px 16px;
            }
            .search-bar button {
                padding: 12px;
                justify-content: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 12px;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .emoji-lg {
            font-size: 1.3em;
            margin-right: 4px;
        }
        .text-muted {
            color: #6b7a8a;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .fw-bold {
            font-weight: 700;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .schema-hidden {
            display: none;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 28px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        th {
            background: #f59e0b;
            color: #fff;
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
        }
        td {
            padding: 10px 16px;
            border-bottom: 1px solid #eef2f7;
            background: #fafcff;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #fef9ee;
        }