:root {
            --bg: #f5f7fb;
            --card: #ffffff;
            --text: #0f172a;
            --muted: #475569;
            --line: #dbe3ee;
            --accent: #0f766e;
            --accent-soft: #ccfbf1;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            color: var(--text);
            background: radial-gradient(circle at top right, #e0f2fe 0%, var(--bg) 42%);
            line-height: 1.55;
        }

        .container {
            max-width: 980px;
            margin: 0 auto;
            padding: 28px 18px 56px;
        }

        .hero {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 18px;
            padding: 24px;
            box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
        }

        .kicker {
            display: inline-block;
            background: var(--accent-soft);
            color: #0f766e;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 700;
            padding: 6px 10px;
            margin-bottom: 12px;
        }

        h1 {
            margin: 0 0 12px;
            font-size: clamp(1.6rem, 4vw, 2.35rem);
            line-height: 1.2;
        }

        h2 {
            margin: 0 0 12px;
            font-size: 1.35rem;
        }

        .lead {
            margin: 0;
            color: var(--muted);
            font-size: 1.02rem;
        }

        .grid {
            margin-top: 16px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 12px;
        }

        .card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 18px;
            margin-top: 16px;
        }

        .points {
            margin: 0;
            padding-left: 18px;
            color: var(--muted);
        }

        .example-list {
            display: grid;
            gap: 10px;
        }

        .example {
            border: 1px solid var(--line);
            border-radius: 12px;
            background: #f8fafc;
            padding: 12px;
            font-size: 0.95rem;
        }

        .case {
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 12px;
            background: #fcfdff;
        }

        .case h3 {
            margin: 0 0 8px;
            font-size: 1.03rem;
        }

        .case p {
            margin: 5px 0;
            color: var(--muted);
        }

        .faq details {
            border-top: 1px solid var(--line);
            padding: 10px 0;
        }

        .faq details:first-child {
            border-top: 0;
            padding-top: 0;
        }

        .faq summary {
            cursor: pointer;
            font-weight: 700;
            list-style: none;
        }

        .faq summary::-webkit-details-marker {
            display: none;
        }

        .faq p {
            margin: 8px 0 0;
            color: var(--muted);
        }

        .steps {
            margin: 0;
            padding-left: 20px;
            display: grid;
            gap: 10px;
        }

        .steps li h3 {
            margin: 0 0 4px;
            font-size: 1rem;
        }

        .steps li p {
            margin: 0;
            color: var(--muted);
        }

        .links {
            display: grid;
            gap: 8px;
            margin: 0;
            padding-left: 18px;
        }

        a {
            color: var(--accent);
        }

        .cta {
            margin-top: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 700;
            padding: 10px 16px;
            border: 1px solid #0f766e;
            background: #0f766e;
            color: #ffffff;
        }

        .cta:hover {
            background: #115e59;
            border-color: #115e59;
        }

        .nav-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 10px;
        }

        .nav-button {
            display: block;
            border: 1px solid #9bd3ca;
            border-radius: 12px;
            padding: 12px;
            text-decoration: none;
            color: #0f172a;
            background: linear-gradient(135deg, #f0fdfa 0%, #d1fae5 100%);
            transition: transform 0.2s ease, border-color 0.2s ease;
        }

        .nav-button:hover {
            transform: translateY(-1px);
            border-color: #0f766e;
        }

        .nav-button strong {
            display: block;
            margin-bottom: 4px;
            font-size: 0.98rem;
        }

        .nav-button small {
            color: #334155;
        }

        .share-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 10px;
            margin-top: 12px;
        }

        .share-button {
            display: block;
            border: 1px solid #8ecfc4;
            border-radius: 12px;
            padding: 12px;
            text-decoration: none;
            color: #0f172a;
            background: linear-gradient(135deg, #e8fffb 0%, #d6f4ee 100%);
            transition: transform 0.2s ease, border-color 0.2s ease;
        }

        .share-button:hover {
            transform: translateY(-1px);
            border-color: #0f766e;
        }

        .share-button strong {
            display: block;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }

        .share-button small {
            color: #334155;
        }

        .share-button--telegram {
            border-color: #7dd3fc;
            background: linear-gradient(135deg, #ecfeff 0%, #e0f2fe 100%);
        }