*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #0b2b3b;
            --primary-light: #1a4a5e;
            --accent: #f5b042;
            --accent-hover: #e09c2f;
            --bg: #f4f7f9;
            --card-bg: #ffffff;
            --text: #1e2a33;
            --text-light: #4a5b69;
            --border: #d0dae2;
            --radius: 12px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --transition: 0.25s ease;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }
        header {
            background: var(--card-bg);
            border-radius: 0 0 var(--radius) var(--radius);
            box-shadow: var(--shadow);
            padding: 12px 24px;
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--primary-light);
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-light);
            display: block;
            line-height: 1.2;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
        }
        .nav-list a {
            font-weight: 600;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: border-color var(--transition), color var(--transition);
        }
        .nav-list a:hover {
            border-bottom-color: var(--accent);
            color: var(--primary);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: var(--bg);
        }
        #nav-toggle {
            display: none;
        }
        #nav-toggle:checked~.nav-list {
            display: flex;
            flex-direction: column;
            width: 100%;
            background: var(--card-bg);
            padding: 16px 0 8px;
            border-top: 1px solid var(--border);
        }
        #nav-toggle:checked~.nav-list li {
            width: 100%;
            text-align: center;
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: var(--text-light);
            padding: 8px 0 4px;
            display: flex;
            flex-wrap: wrap;
            gap: 4px 8px;
            width: 100%;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        main {
            padding: 16px 0 32px;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin: 0 0 8px;
        }
        h1 i {
            color: var(--accent);
            margin-right: 8px;
        }
        .last-updated {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .last-updated i {
            color: var(--accent);
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin: 40px 0 12px;
            padding-bottom: 6px;
            border-bottom: 3px solid var(--accent);
        }
        h2 i {
            color: var(--accent);
            margin-right: 8px;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 28px 0 10px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin: 20px 0 8px;
        }
        p {
            margin: 0 0 16px;
            color: var(--text);
        }
        .content-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 28px;
            margin-bottom: 28px;
        }
        .content-card p:last-child {
            margin-bottom: 0;
        }
        .highlight-box {
            background: #fef9ec;
            border-left: 5px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
        .highlight-box strong {
            color: var(--primary);
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .btn {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            font-size: 0.95rem;
        }
        .btn:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            text-decoration: none;
            color: var(--primary);
        }
        .btn i {
            margin-right: 6px;
        }
        .feature-img {
            margin: 24px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            max-height: 500px;
            object-fit: cover;
            width: 100%;
        }
        .form-section {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 28px;
            margin-bottom: 28px;
        }
        .form-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color var(--transition);
            background: #fafcfd;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: var(--border);
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color var(--transition);
            color: var(--border);
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        footer {
            background: var(--primary);
            color: #e6edf2;
            border-radius: var(--radius) var(--radius) 0 0;
            padding: 32px 24px 20px;
            margin-top: 32px;
        }
        footer a {
            color: #bcd8e6;
        }
        footer a:hover {
            color: var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-bottom: 24px;
        }
        .footer-grid h4 {
            color: var(--accent);
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
        }
        .footer-grid li {
            margin-bottom: 6px;
        }
        friend-link {
            display: block;
            padding: 12px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin: 12px 0;
            font-size: 0.95rem;
        }
        friend-link a {
            margin: 0 12px 0 4px;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            opacity: 0.85;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        @media (max-width: 768px) {
            header {
                padding: 12px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding-top: 12px;
            }
            .nav-list a {
                padding: 10px 0;
                display: block;
                border-bottom: 1px solid var(--border);
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .content-card,
            .form-section {
                padding: 16px 18px;
            }
            .feature-img {
                max-height: 260px;
            }
            .container {
                padding: 0 6px;
            }
            body {
                padding: 0 8px;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .btn {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 16px;
            padding: 8px 0 4px;
        }
        .link-list-inline a {
            font-weight: 500;
        }
        .badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 40px;
            letter-spacing: 0.3px;
        }
        .divider {
            border: none;
            border-top: 2px dashed var(--border);
            margin: 28px 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 16px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 10px 14px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8fafc;
        }
        .tip {
            background: #e6f3f7;
            border-radius: 8px;
            padding: 12px 16px;
            margin: 12px 0;
        }
        .tip i {
            color: var(--primary-light);
            margin-right: 6px;
        }
        .fa-ul li {
            margin-bottom: 8px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        @media (max-width: 600px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }