*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: #1a1a2e;
            background: #f9f9fc;
            padding: 0;
            margin: 0;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: #2b5ea7; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #1a3a6e; text-decoration: underline; }
        ul, ol { padding-left: 1.5rem; margin: 1rem 0; }
        li { margin-bottom: 0.4rem; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: #0f1a2e; margin-top: 1.8rem; margin-bottom: 0.8rem; font-weight: 700; }
        h1 { font-size: 2.4rem; margin-top: 0.5rem; }
        h2 { font-size: 1.8rem; border-bottom: 3px solid #e8b012; padding-bottom: 0.3rem; display: inline-block; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1.1rem; }
        .container { max-width: 1120px; margin: 0 auto; padding: 0 1.2rem; }
        .site-header {
            background: linear-gradient(135deg, #0f1a2e 0%, #1a2a4a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(0,0,0,0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #e8b012, #f5c842);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i { font-size: 1.5rem; -webkit-text-fill-color: #e8b012; }
        .my-logo:hover { opacity: 0.9; text-decoration: none; }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255,255,255,0.3);
            color: #fff;
            font-size: 1.4rem;
            padding: 0.4rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover { border-color: #e8b012; }
        .nav-toggle i { pointer-events: none; }
        .main-nav { display: flex; align-items: center; gap: 0.2rem; flex-wrap: wrap; }
        .main-nav a {
            color: #dce3f0;
            padding: 0.5rem 0.9rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover, .main-nav a.active {
            background: rgba(232, 176, 18, 0.18);
            color: #e8b012;
            text-decoration: none;
        }
        .main-nav a i { margin-right: 0.3rem; font-size: 0.85rem; }
        .breadcrumb {
            background: #eef1f7;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dde1ea;
        }
        .breadcrumb-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.1rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-list li { margin: 0; }
        .breadcrumb-list li+li::before {
            content: "›";
            padding: 0 0.4rem;
            color: #7a7f93;
        }
        .breadcrumb-list a { color: #2b5ea7; }
        .breadcrumb-list .current { color: #5a5f73; font-weight: 500; }
        .search-section {
            background: #fff;
            padding: 1.4rem 0;
            border-bottom: 1px solid #e4e8f0;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 2px solid #d0d6e3;
            border-radius: 8px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
        }
        .search-form input:focus { border-color: #e8b012; box-shadow: 0 0 0 3px rgba(232,176,18,0.15); }
        .search-form button {
            background: #0f1a2e;
            color: #fff;
            border: none;
            padding: 0 1.5rem;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover { background: #1a2a4a; }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-body { min-width: 0; }
        .sidebar { position: sticky; top: 5.5rem; align-self: start; }
        .featured-image {
            border-radius: 12px;
            overflow: hidden;
            margin: 1.5rem 0 2rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        .featured-image img { width: 100%; height: auto; object-fit: cover; }
        .featured-image figcaption {
            background: #f1f4fa;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #4a4f63;
        }
        .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #e8f0fe;
            color: #1a3a6e;
            padding: 0.3rem 0.9rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 0.8rem;
        }
        .info-box {
            background: #f0f4fe;
            border-left: 4px solid #2b5ea7;
            padding: 1.2rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.8rem 0;
        }
        .info-box.tip { border-left-color: #e8b012; background: #fef9ec; }
        .info-box.warn { border-left-color: #d94f4f; background: #fef0f0; }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
            padding: 0;
            margin: 1rem 0;
            list-style: none;
        }
        .link-list-inline li { margin: 0; }
        .link-list-inline a {
            background: #f0f4fe;
            padding: 0.25rem 0.9rem;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 500;
        }
        .link-list-inline a:hover { background: #e0e8fa; }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin: 1.8rem 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 10px;
            padding: 1.2rem 1rem;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            border: 1px solid #eaeef5;
        }
        .stat-card .number { font-size: 2rem; font-weight: 800; color: #e8b012; display: block; }
        .stat-card .label { font-size: 0.85rem; color: #5a5f73; margin-top: 0.2rem; }
        .interview-block {
            background: #fff;
            border-radius: 12px;
            padding: 1.8rem;
            margin: 2rem 0;
            box-shadow: 0 2px 16px rgba(0,0,0,0.04);
            border: 1px solid #eaeef5;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.05rem;
            border-left: 4px solid #e8b012;
            padding-left: 1.2rem;
            margin: 1rem 0;
            color: #2a2a3e;
        }
        .pro-tip {
            background: #f4f8ee;
            border-radius: 8px;
            padding: 1rem 1.3rem;
            margin: 1.2rem 0;
            display: flex;
            gap: 0.8rem;
            align-items: flex-start;
        }
        .pro-tip i { color: #4a8a3f; font-size: 1.3rem; margin-top: 0.1rem; }
        .rating-area {
            background: #fff;
            border-radius: 12px;
            padding: 1.8rem;
            margin: 2.5rem 0;
            border: 1px solid #eaeef5;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .star-rating input { display: none; }
        .star-rating label { color: #d0d6e3; transition: 0.2s; cursor: pointer; }
        .star-rating label:hover, .star-rating label:hover ~ label, .star-rating input:checked ~ label { color: #e8b012; }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #d0d6e3;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: 0.2s;
        }
        .comment-form textarea:focus { border-color: #e8b012; outline: none; }
        .comment-form .btn-submit {
            background: #0f1a2e;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            margin-top: 0.6rem;
        }
        .comment-form .btn-submit:hover { background: #e8b012; color: #0f1a2e; }
        .sidebar-card {
            background: #fff;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border: 1px solid #eaeef5;
            box-shadow: 0 2px 6px rgba(0,0,0,0.03);
        }
        .sidebar-card h3 { font-size: 1.1rem; margin-top: 0; border-bottom: 2px solid #eef1f7; padding-bottom: 0.5rem; }
        .sidebar-card ul { list-style: none; padding: 0; margin: 0.8rem 0 0; }
        .sidebar-card li { margin-bottom: 0.5rem; }
        .sidebar-card a { font-size: 0.92rem; display: block; padding: 0.3rem 0; }
        .sidebar-card a i { margin-right: 0.4rem; color: #e8b012; width: 1rem; }
        .site-footer {
            background: #0f1a2e;
            color: #bcc4d6;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
        .footer-inner h4 { color: #fff; font-size: 1rem; margin-top: 0; margin-bottom: 0.8rem; }
        .footer-inner a { color: #bcc4d6; }
        .footer-inner a:hover { color: #e8b012; }
        .footer-bottom { border-top: 1px solid #2a3a5a; padding-top: 1.2rem; margin-top: 1.5rem; text-align: center; font-size: 0.85rem; }
        friend-link { display: block; margin: 0.5rem 0; }
        friend-link a { display: inline-block; margin: 0.2rem 0.6rem 0.2rem 0; }
        @media (max-width: 900px) {
            .content-grid { grid-template-columns: 1fr; }
            .sidebar { position: static; }
            .footer-inner { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 700px) {
            .nav-toggle { display: block; }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1a2a4a;
                padding: 0.8rem 0;
                border-radius: 0 0 10px 10px;
                margin-top: 0.8rem;
                gap: 0;
            }
            .main-nav.open { display: flex; }
            .main-nav a { padding: 0.7rem 1.2rem; border-radius: 0; border-bottom: 1px solid #2a3a5a; width: 100%; }
            .main-nav a:last-child { border-bottom: none; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .stat-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-inner { grid-template-columns: 1fr; }
            .search-form { flex-direction: column; }
            .search-form button { padding: 0.7rem; justify-content: center; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 0.9rem; }
            .stat-grid { grid-template-columns: 1fr; }
            .header-inner { gap: 0.5rem; }
            .my-logo { font-size: 1.3rem; }
        }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        :focus-visible { outline: 3px solid #e8b012; outline-offset: 2px; }