*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.75;
            padding: 0 1rem;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.25rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #0f172a;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.75rem;
            border-bottom: 3px solid #e2e8f0;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.25rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            padding: 1.5rem 2rem 2.5rem;
        }
        @media (max-width: 600px) {
            .container {
                padding: 1rem 1rem 2rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.75rem;
            border-bottom: 2px solid #e2e8f0;
            margin-bottom: 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(145deg, #f97316, #dc2626);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            text-decoration: none !important;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f97316;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.2rem;
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            color: #334155;
            position: relative;
        }
        .nav-list li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: #f97316;
            transition: width 0.3s;
        }
        .nav-list li a:hover::after,
        .nav-list li a:focus::after {
            width: 100%;
        }
        .nav-list li a:hover {
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.7rem;
            color: #1e293b;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f1f5f9;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: inline-block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                padding: 1rem 1.2rem;
                border-radius: 16px;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                z-index: 999;
                border: 1px solid #e2e8f0;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 0;
                font-size: 1.05rem;
            }
            .nav-wrapper {
                position: relative;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0 1rem;
            margin: 0;
            font-size: 0.9rem;
            color: #64748b;
            gap: 0.4rem 0.8rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb a:hover {
            color: #f97316;
        }
        .breadcrumb .active {
            color: #0f172a;
            font-weight: 600;
        }
        .search-section {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.5rem 0 2.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-section label {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #0f172a;
        }
        .search-form {
            display: flex;
            flex: 1;
            min-width: 220px;
            gap: 0.5rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input[type="text"]:focus {
            border-color: #f97316;
        }
        .search-form button {
            background: #f97316;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.6rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #ea580c;
            transform: scale(1.02);
        }
        @media (max-width: 600px) {
            .search-section {
                padding: 1.2rem 1rem;
                flex-direction: column;
                align-items: stretch;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
        }
        .hero-img-wrap {
            margin: 1.8rem 0 2.2rem;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            background: #e2e8f0;
        }
        .hero-img-wrap img {
            width: 100%;
            aspect-ratio: 1200/630;
            object-fit: cover;
        }
        .content-area {
            margin: 1.8rem 0;
        }
        .content-area .highlight {
            background: #fef9c3;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .content-area .insight-box {
            background: #f0fdf4;
            border-left: 5px solid #22c55e;
            padding: 1.2rem 1.8rem;
            border-radius: 0 14px 14px 0;
            margin: 1.8rem 0;
        }
        .content-area .insight-box strong {
            color: #15803d;
        }
        .content-area .pro-tip {
            background: #eff6ff;
            border-left: 5px solid #3b82f6;
            padding: 1.2rem 1.8rem;
            border-radius: 0 14px 14px 0;
            margin: 1.8rem 0;
        }
        .content-area .pro-tip strong {
            color: #1d4ed8;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 1.8rem 0;
        }
        .stat-card {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 16px;
            padding: 1.2rem 1rem;
            text-align: center;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #f97316;
            display: block;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #475569;
            font-weight: 500;
        }
        .interview-card {
            background: #faf5ff;
            border: 1px solid #e9d5ff;
            border-radius: 18px;
            padding: 1.6rem 2rem;
            margin: 2rem 0;
        }
        .interview-card .quote {
            font-style: italic;
            font-size: 1.05rem;
            color: #1e293b;
            padding-left: 1.2rem;
            border-left: 4px solid #a855f7;
        }
        .interview-card .attribution {
            margin-top: 0.8rem;
            font-weight: 700;
            color: #6b21a8;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        th {
            background: #f97316;
            color: #fff;
            font-weight: 700;
            padding: 0.8rem 1rem;
            text-align: left;
        }
        td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #e2e8f0;
            background: #fff;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #fef9c3;
        }
        .rating-section {
            background: #f8fafc;
            border-radius: 18px;
            padding: 1.6rem 2rem;
            margin: 2.5rem 0 1.8rem;
            border: 1px solid #e2e8f0;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            color: #facc15;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            transition: transform 0.15s, color 0.2s;
            cursor: pointer;
            color: #d1d5db;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #facc15;
            transform: scale(1.1);
        }
        .rating-stars label i {
            pointer-events: none;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 0.8rem;
        }
        .rating-form .row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .rating-form input[type="text"],
        .rating-form textarea {
            padding: 0.7rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 12px;
            font-size: 1rem;
            flex: 1;
            min-width: 180px;
            outline: none;
            transition: border 0.25s;
        }
        .rating-form input[type="text"]:focus,
        .rating-form textarea:focus {
            border-color: #f97316;
        }
        .rating-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .rating-form button {
            background: #f97316;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 2rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
        }
        .rating-form button:hover {
            background: #ea580c;
        }
        @media (max-width: 600px) {
            .rating-section {
                padding: 1.2rem 1rem;
            }
            .rating-stars {
                font-size: 1.6rem;
                justify-content: center;
            }
            .rating-form .row {
                flex-direction: column;
            }
            .rating-form button {
                width: 100%;
                text-align: center;
            }
        }
        .comment-section {
            background: #f8fafc;
            border-radius: 18px;
            padding: 1.6rem 2rem;
            margin: 2rem 0;
            border: 1px solid #e2e8f0;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .comment-form .row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .comment-form input[type="text"],
        .comment-form textarea {
            padding: 0.7rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 12px;
            font-size: 1rem;
            flex: 1;
            min-width: 180px;
            outline: none;
            transition: border 0.25s;
        }
        .comment-form input[type="text"]:focus,
        .comment-form textarea:focus {
            border-color: #f97316;
        }
        .comment-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .comment-form button {
            background: #2563eb;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 2rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
        }
        .comment-form button:hover {
            background: #1d4ed8;
        }
        @media (max-width: 600px) {
            .comment-section {
                padding: 1.2rem 1rem;
            }
            .comment-form .row {
                flex-direction: column;
            }
            .comment-form button {
                width: 100%;
                text-align: center;
            }
        }
        .site-footer {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e2e8f0;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem 3rem;
            justify-content: space-between;
        }
        .footer-col h4 {
            margin-top: 0;
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.4rem;
        }
        .footer-col ul li a {
            color: #475569;
            font-size: 0.95rem;
        }
        .footer-col ul li a:hover {
            color: #f97316;
        }
        friend-link {
            display: block;
            background: #f1f5f9;
            border-radius: 14px;
            padding: 1.2rem 1.8rem;
            margin: 1.5rem 0 1rem;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            background: #ffffff;
            border-radius: 40px;
            border: 1px solid #cbd5e1;
            font-weight: 500;
            transition: background 0.2s, border-color 0.2s;
        }
        friend-link a:hover {
            background: #f97316;
            color: #fff;
            border-color: #f97316;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding: 1.5rem 0 0.5rem;
            font-size: 0.9rem;
            color: #64748b;
            border-top: 1px solid #e2e8f0;
            margin-top: 1.5rem;
        }
        .copyright strong {
            color: #0f172a;
        }
        .last-updated {
            display: inline-block;
            background: #e2e8f0;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #475569;
            margin-bottom: 1rem;
        }
        .toc {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 16px;
            padding: 1.2rem 2rem 1.5rem;
            margin: 1.8rem 0;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ol {
            margin-bottom: 0;
        }
        .toc a {
            color: #2563eb;
        }
        .tag {
            display: inline-block;
            background: #fef3c7;
            color: #92400e;
            border-radius: 40px;
            padding: 0.15rem 0.8rem;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 0.3rem;
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-card .num {
                font-size: 1.6rem;
            }
            .interview-card {
                padding: 1rem 1.2rem;
            }
            .table-wrap table {
                font-size: 0.85rem;
            }
            th,
            td {
                padding: 0.5rem 0.6rem;
            }
        }