* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --deep-navy: #0b3a5b;
            --cardinal: #9e1b32;
            --cream: #faf6f0;
            --gold: #f2c14e;
            --ink: #1f2a36;
            --soft-gray: #e6e9ed;
            --green-accent: #1f7a5a;
            --border-radius: 18px;
            --space-1: .5rem;
            --space-2: 1rem;
            --space-3: 2rem;
            --space-4: 3rem;
            --font-body: 'Inter', system-ui, -apple-system, sans-serif;
            --font-display: 'Source Serif 4', Georgia, serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--cream);
            color: var(--ink);
            line-height: 1.7;
            letter-spacing: 0.01em;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0;
            box-shadow: 0 0 35px rgba(0,0,0,0.02);
        }
        .site-header {
            background: linear-gradient(115deg, #0d2f47 0%, #14466b 100%);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 4px solid var(--gold);
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .header-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .my-logo {
            font-family: var(--font-display);
            font-size: clamp(1.7rem, 4vw, 2.8rem);
            font-weight: 600;
            letter-spacing: -0.02em;
            text-decoration: none;
            color: var(--gold);
            background: rgba(255,255,255,0.02);
            padding: 0.1rem 0.7rem 0.1rem 0.2rem;
            border-radius: 60px;
            transition: background 0.2s;
        }
        .my-logo i {
            font-size: 0.8em;
            color: white;
        }
        .my-logo:hover {
            background: rgba(242,193,78,0.18);
        }
        .search-box {
            display: flex;
            align-items: center;
            background: white;
            border-radius: 50px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            width: min(320px, 70vw);
            box-shadow: inset 0 2px 6px rgba(0,0,0,0.05);
        }
        .search-box input {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 1rem;
            font-family: inherit;
            padding: 0.3rem 0;
        }
        .search-box input:focus {
            outline: none;
        }
        .search-box button {
            background: var(--cardinal);
            color: white;
            border: none;
            border-radius: 50%;
            width: 42px;
            height: 42px;
            cursor: pointer;
            transition: transform 0.1s, background 0.2s;
        }
        .search-box button:hover {
            background: #7f142b;
            transform: scale(1.05);
        }
        .nav-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            margin-top: 0.8rem;
        }
        .menu-icon, #mobile-toggle {
            display: none;
        }
        .nav-links, .functional-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 0.8rem;
            list-style: none;
        }
        .nav-links a, .functional-links a {
            color: #f0f6fc;
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.4rem 0.8rem;
            border-radius: 40px;
            transition: background 0.2s, color 0.2s;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
        }
        .nav-links a:hover, .functional-links a:hover {
            background: rgba(242,193,78,0.25);
            color: white;
            border-color: var(--gold);
        }
        .nav-links a i {
            font-size: 0.85rem;
            color: var(--gold);
        }
        .breadcrumbs {
            padding: 1rem 2rem 0.3rem;
            font-size: 0.9rem;
        }
        .breadcrumbs a {
            color: var(--deep-navy);
            text-decoration: none;
            font-weight: 500;
            background: rgba(242,193,78,0.25);
            padding: 0.2rem 0.9rem;
            border-radius: 20px;
            transition: background 0.2s;
        }
        .breadcrumbs a:hover {
            background: var(--gold);
        }
        .breadcrumbs span {
            margin: 0 0.5rem;
            color: var(--cardinal);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1.65fr 0.95fr;
            gap: 2rem;
            padding: 1.5rem 2rem 2rem;
        }
        @media (max-width: 900px) {
            .content-wrapper {
                grid-template-columns: 1fr;
                padding: 1rem;
            }
        }
        .article-card {
            background: white;
            border-radius: var(--border-radius);
            padding: clamp(1.5rem, 3vw, 3rem);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        h1 {
            font-family: var(--font-display);
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            line-height: 1.15;
            color: var(--deep-navy);
            margin: 0 0 1.5rem;
            border-left: 7px solid var(--cardinal);
            padding-left: 1.2rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-family: var(--font-display);
            font-size: clamp(1.5rem, 3vw, 2.3rem);
            color: #0b3a5b;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.35rem;
            border-bottom: 3px dotted #dfc794;
            display: inline-block;
        }
        h3 {
            font-size: 1.35rem;
            margin: 2rem 0 0.9rem;
            color: #124061;
            font-weight: 700;
        }
        h4 {
            font-weight: 600;
            font-size: 1.1rem;
            margin: 1.5rem 0 0.6rem;
            color: var(--cardinal);
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        a {
            color: var(--deep-navy);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: #76a5c0;
        }
        a:hover {
            background: #d9ebf5;
        }
        ul, ol {
            margin: 1.2rem 0 1.5rem 1.6rem;
        }
        li {
            margin: 0.7rem 0;
        }
        .insight-box {
            background: #eef5fa;
            border-left: 6px solid var(--gold);
            padding: 1.2rem 1.7rem;
            border-radius: 14px;
            margin: 2rem 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .stat-item {
            background: #f9f2e7;
            padding: 1rem;
            border-radius: 14px;
            text-align: center;
            font-weight: 600;
        }
        .stat-item i {
            color: var(--cardinal);
            font-size: 2rem;
            margin-bottom: 0.3rem;
        }
        figure {
            margin: 2rem 0;
        }
        figure img {
            width: 100%;
            height: auto;
            border-radius: 18px;
            box-shadow: 0 8px 26px rgba(0,0,0,0.08);
            background: #dfe8ef;
        }
        figcaption {
            font-size: 0.9rem;
            text-align: center;
            opacity: 0.8;
            margin-top: 0.7rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.7rem;
            box-shadow: 0 3px 12px rgba(0,0,0,0.02);
            border-top: 4px solid var(--deep-navy);
        }
        .widget h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: var(--deep-navy);
            border-left: 5px solid var(--gold);
            padding-left: 0.8rem;
        }
        .widget ul {
            list-style: none;
            margin-left: 0;
            padding-left: 0;
        }
        .widget li {
            border-bottom: 1px dashed #dde3e8;
            padding: 0.6rem 0;
            font-size: 1rem;
        }
        .widget li i {
            color: var(--cardinal);
            margin-right: 10px;
            width: 20px;
            text-align: center;
        }
        .widget a {
            text-decoration: none;
            font-weight: 500;
        }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-top: 3rem;
            background: #f3f7fa;
            padding: 2rem;
            border-radius: 22px;
        }
        @media (max-width: 700px) {
            .user-feedback {
                grid-template-columns: 1fr;
            }
        }
        .fb-box label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.4rem;
        }
        .fb-box textarea, .fb-box select, .fb-box input {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #cbd5e0;
            border-radius: 14px;
            margin-bottom: 1rem;
            font-family: inherit;
        }
        .btn {
            background: var(--deep-navy);
            border: none;
            color: white;
            padding: 0.7rem 1.9rem;
            border-radius: 60px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.15s;
        }
        .btn:hover {
            background: var(--cardinal);
            transform: scale(1.02);
        }
        .footer {
            background: #0b2a3c;
            color: #d6e1ec;
            padding: 2.5rem 2rem 2rem;
            border-radius: 30px 30px 0 0;
            margin-top: 2rem;
        }
        .footer a {
            color: var(--gold);
            text-decoration: none;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            padding: 1rem 0 2rem;
            border-bottom: 1px solid rgba(255,255,255,0.2);
            font-size: 0.95rem;
        }
        .friend-link a {
            background: rgba(255,255,255,0.08);
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            font-weight: 500;
            transition: background 0.2s;
        }
        .friend-link a:hover {
            background: var(--gold);
            color: var(--deep-navy);
        }
        .copyright {
            padding-top: 2rem;
            font-size: 0.9rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        @media (max-width: 820px) {
            .menu-icon {
                display: inline-flex;
                font-size: 2.2rem;
                cursor: pointer;
                color: white;
                background: rgba(242,193,78,0.2);
                width: 54px;
                height: 54px;
                border-radius: 30px;
                align-items: center;
                justify-content: center;
            }
            #mobile-toggle:checked ~ .nav-links,
            #mobile-toggle:checked ~ .functional-links {
                display: flex;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0 0;
            }
            #mobile-toggle {
                position: absolute;
                opacity: 0;
                pointer-events: none;
            }
            .nav-links, .functional-links {
                display: none;
            }
            .nav-bar {
                align-items: flex-start;
            }
            .nav-links a, .functional-links a {
                justify-content: flex-start;
            }
        }
        .functional-links a {
            font-size: 0.85rem;
        }
        .emph {
            font-weight: 700;
            color: #0b3a5b;
            background: linear-gradient(to right, rgba(242,193,78,0.3), transparent);
            padding: 0 0.2rem;
        }
        hr {
            margin: 2.5rem 0;
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, #9fb2c0, transparent);
        }
        .toc {
            background: #f5eeff;
            border-radius: 18px;
            padding: 1.5rem 2rem;
            display: inline-block;
        }
        .toc a {
            text-decoration: none;
        }
        .toc li::marker {
            color: var(--cardinal);
        }
        @media (max-width: 480px) {
            .site-header {
                padding: 0.8rem 1rem;
            }
            .content-wrapper {
                padding: 0.8rem;
            }
            .search-box {
                width: 100%;
            }
        }