* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        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;
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
            padding: 20px 28px 40px;
            margin-top: 20px;
            margin-bottom: 40px;
        }
        .header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #e2e8f0;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0f172a, #1e3a5f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-block;
        }
        .my-logo i {
            -webkit-text-fill-color: #2563eb;
            margin-right: 6px;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: #1e293b;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #f1f5f9;
        }
        .navbar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
        }
        .navbar a {
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 4px;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s;
        }
        .navbar a:hover {
            border-bottom-color: #2563eb;
            text-decoration: none;
        }
        .navbar a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 14px 0 10px;
            font-size: 0.88rem;
            color: #64748b;
            gap: 6px 10px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb a:hover {
            color: #2563eb;
        }
        .breadcrumb .active {
            color: #0f172a;
            font-weight: 600;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 28px 0 18px;
            color: #0f172a;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 48px 0 16px;
            color: #0f172a;
            border-left: 5px solid #2563eb;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: #1e293b;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: #334155;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.02rem;
            color: #334155;
        }
        .lead {
            font-size: 1.2rem;
            color: #1e293b;
            font-weight: 400;
            line-height: 1.8;
            background: #f1f5f9;
            padding: 20px 24px;
            border-radius: 16px;
            margin-bottom: 28px;
        }
        .highlight {
            background: #eef2ff;
            padding: 2px 8px;
            border-radius: 6px;
            font-weight: 600;
        }
        strong {
            color: #0f172a;
        }
        .hero-img-wrap {
            margin: 24px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            position: relative;
        }
        .hero-img-wrap img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .hero-img-wrap .img-caption {
            background: rgba(15, 23, 42, 0.75);
            color: #fff;
            padding: 10px 18px;
            font-size: 0.9rem;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            border-radius: 0 0 12px 12px;
        }
        ul,
        ol {
            margin: 12px 0 20px 24px;
            color: #334155;
        }
        li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 12px 20px;
            background: #f8fafc;
            padding: 20px 24px;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
            margin: 20px 0 28px;
            list-style: none;
            margin-left: 0;
        }
        .link-list li {
            margin-bottom: 0;
        }
        .link-list a {
            display: inline-block;
            padding: 6px 0;
            font-weight: 500;
        }
        .link-list a i {
            margin-right: 8px;
            color: #2563eb;
            font-size: 0.85rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0 28px;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 480px;
        }
        th {
            background: #0f172a;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 16px;
            border-bottom: 1px solid #e2e8f0;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f1f5f9;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin: 24px 0 28px;
        }
        .card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 20px 22px;
            border: 1px solid #e2e8f0;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
        }
        .card i {
            font-size: 1.8rem;
            color: #2563eb;
            margin-bottom: 12px;
        }
        .card h4 {
            margin-top: 0;
        }
        .form-section {
            background: #f1f5f9;
            border-radius: 20px;
            padding: 28px 32px;
            margin: 32px 0 28px;
            border: 1px solid #e2e8f0;
        }
        .form-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #0f172a;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #cbd5e1;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #2563eb;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            padding: 12px 32px;
            background: #0f172a;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #1e3a5f;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #e2e8f0;
            color: #0f172a;
        }
        .btn-secondary:hover {
            background: #cbd5e1;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d1d5db;
            cursor: pointer;
        }
        .star-rating i.active {
            color: #f59e0b;
        }
        .star-rating i:hover {
            color: #f59e0b;
        }
        .review-item {
            background: #fff;
            border-radius: 12px;
            padding: 16px 20px;
            border: 1px solid #e2e8f0;
            margin-bottom: 14px;
        }
        .review-item .review-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 6px;
        }
        .review-item .review-author {
            font-weight: 600;
            color: #0f172a;
        }
        .review-item .review-stars {
            color: #f59e0b;
        }
        .review-item .review-date {
            font-size: 0.85rem;
            color: #94a3b8;
        }
        .footer {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid #e2e8f0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 24px;
            margin-bottom: 24px;
        }
        .footer h4 {
            margin-top: 0;
            color: #0f172a;
        }
        friend-link {
            display: block;
            margin: 12px 0;
        }
        friend-link a {
            display: inline-block;
            padding: 4px 0;
        }
        .copyright {
            text-align: center;
            padding: 20px 0 8px;
            font-size: 0.9rem;
            color: #64748b;
            border-top: 1px solid #e2e8f0;
        }
        .copyright strong {
            color: #0f172a;
        }
        .last-updated {
            display: inline-block;
            background: #eef2ff;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #1e40af;
            font-weight: 500;
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 14px 16px 30px;
                margin-top: 12px;
                border-radius: 16px;
            }
            .header {
                padding: 10px 0;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: block;
            }
            .navbar {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
                gap: 6px;
            }
            .navbar.open {
                display: flex;
            }
            .navbar a {
                width: 100%;
                padding: 10px 0;
                border-bottom: 1px solid #e2e8f0;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
                padding-left: 12px;
            }
            h3 {
                font-size: 1.2rem;
            }
            .lead {
                font-size: 1.05rem;
                padding: 16px 18px;
            }
            .form-section {
                padding: 20px 16px;
            }
            .link-list {
                grid-template-columns: 1fr;
                padding: 16px 18px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.8rem;
                gap: 4px 6px;
            }
            .breadcrumb li+li::before {
                margin-right: 6px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            .container {
                padding: 10px 12px 20px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .tag {
            display: inline-block;
            background: #e2e8f0;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #475569;
        }
        .divider {
            height: 2px;
            background: #e2e8f0;
            margin: 32px 0;
            border: none;
        }