*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.75;
            color: #2d3436;
            background: #f8f9fa;
        }
        a {
            color: #6c5ce7;
            text-decoration: none;
            transition: all .3s ease;
        }
        a:hover {
            color: #e84393;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .site-header {
            background: linear-gradient(135deg, #1e1e2f 0%, #2d2d4a 100%);
            padding: 20px 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, .15);
            position: sticky;
            top: 0;
            z-index: 999;
        }
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: .5px;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #fd79a8;
            font-size: 1.8rem;
        }
        .my-logo span {
            background: linear-gradient(135deg, #fd79a8, #a29bfe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 20px;
        }
        .nav-links a {
            color: #ddd;
            font-weight: 600;
            font-size: .95rem;
            padding: 8px 14px;
            border-radius: 20px;
            transition: all .3s;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid #eee;
            padding: 12px 0;
        }
        .breadcrumb {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            font-size: .85rem;
            color: #888;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #6c5ce7;
        }
        .breadcrumb i {
            font-size: .7rem;
            margin: 0 4px;
            color: #ccc;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 24px;
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .main-content {
            flex: 1 1 70%;
            min-width: 0;
            background: #fff;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, .06);
        }
        .sidebar {
            flex: 1 1 28%;
            min-width: 280px;
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, .06);
            height: fit-content;
            position: sticky;
            top: 80px;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 900;
            line-height: 1.3;
            color: #1e1e2f;
            margin-bottom: 12px;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #1e1e2f;
            margin: 40px 0 16px;
            border-left: 5px solid #6c5ce7;
            padding-left: 16px;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #2d3436;
            margin: 28px 0 12px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #555;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 14px;
            text-align: justify;
        }
        .lead {
            font-size: 1.15rem;
            color: #555;
            line-height: 1.8;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: .85rem;
            color: #999;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid #eee;
        }
        .article-meta i {
            margin-right: 4px;
        }
        .featured-image {
            margin: 24px 0;
            border-radius: 14px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, .1);
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 18px;
            margin: 24px 0;
        }
        .card {
            background: #fdfdff;
            border: 1px solid #eee;
            border-radius: 14px;
            padding: 20px;
            transition: transform .3s, box-shadow .3s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, .08);
        }
        .card i {
            font-size: 2rem;
            color: #6c5ce7;
            margin-bottom: 10px;
        }
        .callout {
            background: #f0f0ff;
            border-left: 4px solid #6c5ce7;
            padding: 18px 20px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .callout p {
            margin: 0;
        }
        .tip-box {
            background: #fffbea;
            border: 1px solid #f1c40f;
            border-radius: 12px;
            padding: 16px 20px;
            margin: 20px 0;
        }
        .form-section {
            background: #f8f9ff;
            border: 1px solid #e0e0f0;
            border-radius: 16px;
            padding: 24px;
            margin: 32px 0;
        }
        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 12px 0;
        }
        .form-row input,
        .form-row textarea,
        .form-row select {
            flex: 1 1 240px;
            padding: 12px 14px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: .95rem;
            font-family: inherit;
            transition: border .3s;
        }
        .form-row input:focus,
        .form-row textarea:focus {
            outline: none;
            border-color: #6c5ce7;
        }
        .form-row textarea {
            min-height: 100px;
            width: 100%;
        }
        .btn {
            padding: 12px 28px;
            border: none;
            border-radius: 30px;
            background: linear-gradient(135deg, #6c5ce7, #a29bfe);
            color: #fff;
            font-weight: 700;
            cursor: pointer;
            font-size: .95rem;
            transition: transform .3s, box-shadow .3s;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(108, 92, 231, .4);
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: .9rem;
        }
        th,
        td {
            padding: 12px 14px;
            border: 1px solid #eee;
            text-align: left;
        }
        th {
            background: #f8f0ff;
            color: #1e1e2f;
            font-weight: 700;
        }
        tr:nth-child(even) {
            background: #fafafa;
        }
        details {
            margin: 10px 0;
            border: 1px solid #e8e8f0;
            border-radius: 10px;
            padding: 14px 18px;
            background: #fafafe;
        }
        summary {
            font-weight: 600;
            color: #2d3436;
            cursor: pointer;
            list-style: none;
        }
        summary::before {
            content: '▸ ';
            color: #6c5ce7;
        }
        details[open] summary::before {
            content: '▾ ';
        }
        .site-footer {
            background: #1e1e2f;
            color: #aaa;
            padding: 40px 24px 20px;
            margin-top: 40px;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: space-between;
        }
        .footer-col {
            flex: 1 1 220px;
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col a {
            color: #bbb;
            display: block;
            padding: 4px 0;
            font-size: .9rem;
        }
        .footer-col a:hover {
            color: #fff;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid #333;
            padding-top: 16px;
            margin-top: 24px;
            font-size: .8rem;
            color: #666;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            padding: 16px 0;
            border-top: 1px solid #333;
            margin-top: 16px;
            font-style: normal;
            font-size: .85rem;
        }
        friend-link a {
            color: #bbb;
            padding: 4px 12px;
            background: rgba(255, 255, 255, .05);
            border-radius: 20px;
            transition: all .3s;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }
        .sidebar-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: #1e1e2f;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid #6c5ce7;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar ul li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar ul li a {
            font-size: .9rem;
        }
        .sidebar ul li i {
            margin-right: 6px;
            color: #6c5ce7;
            font-size: .8rem;
        }
        .featured-image {
            width: 100%;
            max-height: 400px;
            object-fit: cover;
        }
        @media (max-width: 999px) {
            .container {
                flex-direction: column;
                padding: 16px;
            }
            .main-content {
                padding: 24px;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 10px 0;
                gap: 4px;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links a {
                display: block;
                padding: 12px 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .sidebar {
                position: static;
                width: 100%;
            }
        }
        @media (max-width: 600px) {
            .main-content {
                padding: 16px;
                border-radius: 10px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
        }