*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #2a2a72;
            --primary-light: #4a4a9a;
            --secondary: #f0a500;
            --accent: #00b4d8;
            --bg: #f8f9fc;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-light: #4a4a5a;
            --border: #e0e0e8;
            --radius: 12px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
        }
        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);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 16px;
        }
        header {
            background: var(--bg-card);
            border-bottom: 2px solid var(--border);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 0 16px;
        }
        .my-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--primary-light);
        }
        .my-logo span {
            font-weight: 300;
            color: var(--text-light);
            font-size: 1rem;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            padding: 6px 14px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text);
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
        }
        .nav-mobile {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        @media(max-width:768px) {
            .hamburger {
                display: block;
            }
            .nav-mobile {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--bg-card);
                padding: 12px 0 4px;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }
            .nav-mobile.open {
                display: flex;
            }
            .nav-mobile a {
                padding: 10px 16px;
                border-radius: 0;
                border-bottom: 1px solid var(--border);
            }
        }
        .breadcrumb {
            max-width: var(--max-width);
            margin: 16px auto 8px;
            padding: 0 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text);
            font-weight: 500;
        }
        main {
            max-width: var(--max-width);
            margin: 20px auto 40px;
            padding: 0 16px;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: var(--secondary);
        }
        .meta {
            color: var(--text-light);
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 28px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 16px;
        }
        .meta i {
            margin-right: 6px;
        }
        .meta .updated {
            font-weight: 600;
            color: var(--primary);
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--secondary);
            display: inline-block;
        }
        h2 i {
            color: var(--secondary);
            margin-right: 10px;
        }
        h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-top: 32px;
            margin-bottom: 10px;
        }
        h3 i {
            margin-right: 8px;
            color: var(--accent);
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .lead {
            font-size: 1.15rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .highlight-box {
            background: var(--bg-card);
            border-left: 5px solid var(--secondary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .highlight-box strong {
            color: var(--primary);
        }
        ul,
        ol {
            margin: 12px 0 20px 24px;
            color: var(--text);
        }
        li {
            margin-bottom: 8px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
            margin: 24px 0;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
        }
        .card h4 {
            margin-top: 0;
            color: var(--primary);
        }
        .card i {
            font-size: 1.8rem;
            color: var(--secondary);
            margin-bottom: 8px;
            display: inline-block;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .data-table th {
            background: var(--primary);
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f0f2fa;
        }
        .img-wrapper {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--bg-card);
        }
        .img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }
        .img-wrapper .caption {
            padding: 12px 18px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: var(--bg-card);
            border-top: 1px solid var(--border);
        }
        .interview-block {
            background: #f0f4fe;
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 28px 0;
            border: 1px solid #d0d8f0;
        }
        .interview-block .question {
            font-weight: 700;
            color: var(--primary);
        }
        .interview-block .answer {
            margin-top: 4px;
            margin-bottom: 16px;
        }
        .tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 2px 12px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-right: 4px;
        }
        .form-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 32px 0;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .form-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 0.9rem;
        }
        .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: var(--font);
            transition: border 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .btn {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            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: var(--primary-light);
            transform: translateY(-1px);
        }
        .btn i {
            font-size: 1rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: var(--secondary);
        }
        friend-link {
            display: block;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 32px 0 16px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            font-size: 0.95rem;
        }
        friend-link .fl-head {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
        }
        friend-link .fl-list a {
            color: var(--text-light);
            font-weight: 500;
        }
        friend-link .fl-list a:hover {
            color: var(--primary);
        }
        footer {
            max-width: var(--max-width);
            margin: 20px auto 40px;
            padding: 24px 16px 16px;
            border-top: 2px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        footer .copyright i {
            margin-right: 4px;
        }
        @media(max-width:600px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .header-inner {
                padding: 0 8px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo span {
                font-size: 0.8rem;
            }
            .meta {
                flex-direction: column;
                gap: 6px;
            }
            .form-section {
                padding: 16px;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            footer {
                flex-direction: column;
                text-align: center;
            }
        }
        @media(min-width:769px) {
            .nav-mobile {
                display: flex !important;
            }
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }