*,
        *::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, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            color: #0f172a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #f59e0b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #f59e0b;
            padding-left: 0.9rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.3rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.1rem;
            color: #334155;
        }
        p {
            margin: 0.8rem 0;
        }
        strong {
            color: #0f172a;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #ffffff;
            padding: 20px 24px 32px;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.04);
            border-radius: 20px;
        }
        .emoji {
            font-style: normal;
        }
        header {
            background: linear-gradient(135deg, #1e293b, #0f172a);
            color: #fff;
            padding: 16px 24px;
            border-radius: 16px;
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f59e0b;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(245, 158, 11, 0.2);
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #fbbf24;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #f59e0b;
        }
        .my-logo span {
            font-size: 0.9rem;
            font-weight: 400;
            color: #94a3b8;
            margin-left: 4px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f59e0b;
            color: #f59e0b;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #f59e0b;
            color: #0f172a;
        }
        .navbar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            align-items: center;
        }
        .navbar a {
            color: #e2e8f0;
            font-weight: 500;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .navbar a:hover {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
            text-decoration: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 10px 0 14px;
            margin: 0 0 12px;
            font-size: 0.9rem;
            color: #64748b;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 10px;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #334155;
            font-weight: 600;
        }
        .search-section {
            background: #f1f5f9;
            padding: 18px 20px;
            border-radius: 14px;
            margin: 20px 0 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-section form {
            display: flex;
            flex: 1 1 300px;
            gap: 8px;
        }
        .search-section input[type="text"] {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #cbd5e1;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
            background: #fff;
        }
        .search-section input[type="text"]:focus {
            border-color: #f59e0b;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15);
        }
        .search-section button {
            background: #f59e0b;
            color: #0f172a;
            border: none;
            padding: 12px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-section button:hover {
            background: #d97706;
            transform: scale(1.02);
        }
        .content-area {
            padding: 8px 0;
        }
        .featured-image {
            margin: 24px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f1f5f9;
            padding: 8px 16px;
            font-size: 0.85rem;
            color: #475569;
            font-style: italic;
        }
        .highlight-box {
            background: #fef3c7;
            border-left: 6px solid #f59e0b;
            padding: 16px 22px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .highlight-box p {
            margin: 0.3rem 0;
        }
        .link-list {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            padding: 18px 22px;
            margin: 18px 0;
        }
        .link-list ul {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 6px 18px;
        }
        .link-list li {
            padding: 4px 0;
        }
        .link-list a {
            font-weight: 500;
        }
        .link-list a i {
            margin-right: 6px;
            color: #f59e0b;
        }
        .tip-card {
            background: linear-gradient(135deg, #eef2ff, #e0e7ff);
            border-radius: 14px;
            padding: 18px 22px;
            margin: 18px 0;
            border: 1px solid #c7d2fe;
        }
        .tip-card i {
            color: #4f46e5;
            margin-right: 8px;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 32px 0 18px;
        }
        .feedback-card {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 14px;
            padding: 20px 22px;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid #cbd5e1;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            background: #fff;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #f59e0b;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .star-select {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #f59e0b;
            cursor: pointer;
        }
        .feedback-card .star-select i {
            transition: 0.15s;
        }
        .feedback-card .star-select i:hover {
            transform: scale(1.2);
        }
        .feedback-card button {
            background: #2563eb;
            color: #fff;
            padding: 12px 24px;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #1d4ed8;
            transform: scale(1.02);
        }
        .feedback-card button i {
            margin-right: 6px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #1e293b;
            color: #f8fafc;
            font-weight: 700;
        }
        tr:nth-child(even) {
            background: #f8fafc;
        }
        tr:hover {
            background: #f1f5f9;
        }
        footer {
            margin-top: 36px;
            padding-top: 24px;
            border-top: 2px solid #e2e8f0;
        }
        friend-link {
            display: block;
            background: #f1f5f9;
            padding: 18px 22px;
            border-radius: 12px;
            margin-bottom: 18px;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
        }
        .copyright {
            text-align: center;
            color: #64748b;
            font-size: 0.9rem;
            padding: 16px 0 6px;
            border-top: 1px solid #e2e8f0;
            margin-top: 10px;
        }
        .copyright strong {
            color: #1e293b;
        }
        @media (max-width: 820px) {
            .feedback-section {
                grid-template-columns: 1fr;
            }
            .link-list ul {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .container {
                padding: 16px 14px 24px;
            }
            header {
                padding: 14px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 640px) {
            .nav-toggle {
                display: block;
            }
            .navbar {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 14px;
                gap: 4px;
                background: #1e293b;
                padding: 12px 16px;
                border-radius: 12px;
            }
            .navbar.show {
                display: flex;
            }
            .navbar a {
                padding: 10px 0;
                border-bottom: 1px solid #334155;
            }
            .navbar a:last-child {
                border-bottom: none;
            }
            .link-list ul {
                grid-template-columns: 1fr;
            }
            .search-section form {
                flex-wrap: wrap;
            }
            .search-section button {
                width: 100%;
                justify-content: center;
            }
            .feedback-card .star-select {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 10px 20px;
                border-radius: 12px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .table-wrap table {
                font-size: 0.85rem;
            }
            th,
            td {
                padding: 8px 10px;
            }
        }
        @media (min-width: 641px) {
            .navbar {
                display: flex !important;
            }
        }
        .text-small {
            font-size: 0.85rem;
            color: #64748b;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .last-updated {
            display: inline-block;
            background: #e2e8f0;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #475569;
            margin: 6px 0 12px;
        }
        .last-updated i {
            margin-right: 6px;
        }