*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8f7f4;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a { color: #2a6f97; text-decoration: none; transition: color 0.2s, border-color 0.2s; }
        a:hover { color: #1a4b6d; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.3; color: #0e1c2b; }
        h1 { font-size: 2.4rem; margin: 0 0 0.5rem; }
        h2 { font-size: 1.8rem; margin: 2.4rem 0 1rem; border-left: 5px solid #2a6f97; padding-left: 1rem; }
        h3 { font-size: 1.35rem; margin: 1.8rem 0 0.7rem; }
        h4 { font-size: 1.1rem; margin: 1.2rem 0 0.5rem; color: #2a4b6f; }
        p { margin-bottom: 1.2rem; }
        ul, ol { margin: 0.6rem 0 1.2rem 1.8rem; }
        li { margin-bottom: 0.4rem; }
        blockquote {
            border-left: 4px solid #2a6f97;
            background: #edf2f7;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2d3748;
        }
        hr { border: none; border-top: 1px solid #dce1e8; margin: 2.5rem 0; }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0e1c2b 0%, #1a2f44 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 700;
            color: #f0e9db;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i { color: #5fa8d3; font-size: 1.5rem; }
        .my-logo:hover { color: #ffd966; text-decoration: none; }
        .my-logo span { font-weight: 300; color: #b0c4de; font-size: 0.9rem; }
        .main-nav { display: flex; gap: 0.2rem; flex-wrap: wrap; align-items: center; }
        .main-nav a {
            color: #e2e8f0;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover { background: rgba(255,255,255,0.12); color: #ffd966; text-decoration: none; }
        .main-nav a i { margin-right: 0.3rem; font-size: 0.8rem; }
        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover { background: rgba(255,255,255,0.1); }
        .nav-toggle { display: none; }
        .breadcrumb {
            background: #edf2f7;
            padding: 0.7rem 0;
            font-size: 0.85rem;
            color: #4a5568;
        }
        .breadcrumb-inner { display: flex; flex-wrap: wrap; gap: 0.3rem 0.6rem; align-items: center; }
        .breadcrumb a { color: #2a6f97; }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb i { color: #a0aec0; font-size: 0.7rem; margin: 0 0.2rem; }
        .hero {
            background: linear-gradient(145deg, #eaf0f7 0%, #d6e2ef 100%);
            padding: 3rem 0 2.5rem;
            border-bottom: 1px solid #dce1e8;
        }
        .hero-content { display: flex; flex-direction: column; gap: 1.2rem; }
        .hero-meta { color: #4a5568; font-size: 0.95rem; display: flex; flex-wrap: wrap; gap: 1.2rem; }
        .hero-meta i { margin-right: 0.3rem; }
        .search-area {
            background: #fff;
            padding: 1.2rem 1.5rem;
            border-radius: 16px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            margin: 1.8rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }
        .search-area form { display: flex; flex: 1 1 300px; gap: 0.5rem; }
        .search-area input[type="text"] {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 1px solid #dce1e8;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .search-area input[type="text"]:focus { border-color: #2a6f97; box-shadow: 0 0 0 3px rgba(42,111,151,0.15); }
        .search-area button {
            background: #2a6f97;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 30px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex; align-items: center; gap: 0.5rem;
        }
        .search-area button:hover { background: #1a4b6d; }
        .search-area button:active { transform: scale(0.97); }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
            margin-bottom: 1.8rem;
            transition: box-shadow 0.2s;
        }
        .card:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.08); }
        .img-wrapper {
            margin: 1.8rem 0;
            border-radius: 14px;
            overflow: hidden;
            background: #edf2f7;
        }
        .img-wrapper figcaption { padding: 0.8rem 1.2rem; font-size: 0.85rem; color: #4a5568; background: #f8fafc; }
        .interview-box {
            background: #f0f5fa;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            margin: 1.8rem 0;
            border-left: 6px solid #2a6f97;
        }
        .interview-box h4 { margin-top: 0; }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1.2rem;
            margin: 1.8rem 0;
        }
        .stat-item {
            background: #fff;
            border-radius: 14px;
            padding: 1.2rem 1rem;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
            border: 1px solid #e8edf4;
        }
        .stat-item .num { font-size: 2rem; font-weight: 700; color: #2a6f97; }
        .stat-item .label { font-size: 0.85rem; color: #4a5568; }
        .interact-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0;
        }
        @media (max-width:700px) { .interact-area { grid-template-columns: 1fr; } }
        .interact-box {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }
        .interact-box h3 { margin-top: 0; font-size: 1.2rem; }
        .interact-box form { display: flex; flex-direction: column; gap: 0.8rem; }
        .interact-box input, .interact-box textarea, .interact-box select {
            padding: 0.7rem 1rem;
            border: 1px solid #dce1e8;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
            width: 100%;
        }
        .interact-box input:focus, .interact-box textarea:focus, .interact-box select:focus { border-color: #2a6f97; }
        .interact-box textarea { min-height: 90px; resize: vertical; }
        .interact-box button {
            background: #2a6f97;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 30px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .interact-box button:hover { background: #1a4b6d; }
        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
            margin: 1.5rem 0;
        }
        .related-links a {
            background: #edf2f7;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #2a6f97;
            border: 1px solid transparent;
            transition: all 0.2s;
        }
        .related-links a:hover { background: #d6e2ef; border-color: #b0c4de; text-decoration: none; }
        .site-footer {
            background: #0e1c2b;
            color: #cbd5e1;
            padding: 2.5rem 0 1.2rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 { color: #f0e9db; margin-bottom: 0.8rem; font-size: 1rem; }
        .site-footer a { color: #b0c4de; }
        .site-footer a:hover { color: #ffd966; }
        .friend-link {
            display: block;
            padding: 0.3rem 0;
            font-size: 0.9rem;
        }
        .copyright {
            border-top: 1px solid #2d3748;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #8899aa;
        }
        @media (max-width: 820px) {
            .hamburger { display: inline-block; }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #132433;
                padding: 1rem 0.8rem;
                border-radius: 14px;
                margin-top: 0.5rem;
                gap: 0.2rem;
            }
            .nav-toggle:checked ~ .main-nav { display: flex; }
            .header-inner { align-items: center; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .hero { padding: 2rem 0; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 0.8rem; }
            .card { padding: 1rem 1.2rem; }
            .interact-box { padding: 1.2rem; }
            .search-area { padding: 0.8rem 1rem; }
            .search-area form { flex-direction: column; }
            .my-logo { font-size: 1.3rem; }
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 1rem;
            background: #2a6f97;
            color: #fff;
            padding: 0.5rem 1rem;
            border-radius: 0 0 8px 8px;
            z-index: 1001;
            transition: top 0.2s;
        }
        .skip-link:focus { top: 0; }
        .toc { background: #edf2f7; border-radius: 14px; padding: 1.2rem 1.6rem; margin: 1.5rem 0; }
        .toc ol { margin: 0.4rem 0 0 1.4rem; }
        .toc a { color: #1e1e2a; }
        .toc a:hover { color: #2a6f97; }
        .section-spacer { margin: 2.5rem 0; }