:root {
                --bdp-ink: #0b1220;
                --bdp-body: #26364d;
                --bdp-line: #dbe5f0;
                --bdp-surface: #f6f9fc;
                --bdp-brand: #165dff;
                --bdp-brand-dark: #0f46c7;
                --bdp-font: -apple-system, BlinkMacSystemFont, "Segoe UI",
                    Roboto, "Noto Sans KR", "Malgun Gothic",
                    "Apple SD Gothic Neo", Arial, sans-serif;
            }

            body,
            button,
            input,
            select,
            textarea,
            .entry-content {
                font-family: var(--bdp-font);
            }

            .entry-content {
                color: var(--bdp-body);
                overflow-wrap: anywhere;
                word-break: keep-all;
            }

            .entry-content :where(h1, h2, h3, h4, h5, h6) {
                color: var(--bdp-ink);
                font-family: var(--bdp-font);
                font-weight: 800;
                letter-spacing: -0.035em;
                text-wrap: balance;
            }

            body.single-post .entry-header,
            body.single-post .entry-content {
                margin-left: auto;
                margin-right: auto;
                max-width: 780px;
            }

            body.single-post .entry-title {
                color: var(--bdp-ink);
                font-size: clamp(2rem, 4vw, 2.65rem);
                font-weight: 850;
                letter-spacing: -0.045em;
                line-height: 1.24;
                margin-bottom: 18px;
            }

            body.single-post .entry-content {
                font-size: 18px;
                line-height: 1.82;
            }

            body.single-post .entry-content :where(p, ul, ol, blockquote, figure, table) {
                margin-bottom: 1.45em;
            }

            body.single-post .entry-content :where(h2, h3, h4) {
                line-height: 1.35;
                margin-bottom: 0.65em;
                margin-top: 2.1em;
            }

            .bdp-standard-cta {
                align-items: center;
                background: linear-gradient(135deg, #eef5ff 0%, #f8fbff 58%, #fff 100%);
                border: 1px solid #cdddf7;
                border-radius: 22px;
                box-shadow: 0 18px 45px rgba(15, 35, 70, 0.10);
                display: grid;
                gap: 24px;
                grid-template-columns: minmax(0, 1fr) auto;
                margin: 52px 0 20px;
                padding: clamp(24px, 5vw, 40px);
            }

            .bdp-standard-cta__eyebrow {
                color: var(--bdp-brand-dark);
                display: block;
                font-size: 14px;
                font-weight: 850;
                margin-bottom: 8px;
            }

            .bdp-standard-cta h2 {
                color: var(--bdp-ink);
                font-size: clamp(1.45rem, 3vw, 1.9rem);
                line-height: 1.3;
                margin: 0 0 10px;
            }

            .bdp-standard-cta p {
                color: var(--bdp-body);
                font-size: 17px;
                line-height: 1.7;
                margin: 0;
                max-width: 680px;
            }

            .bdp-standard-cta__actions {
                display: flex;
                flex-direction: column;
                gap: 12px;
                min-width: 230px;
            }

            .bdp-standard-cta__button {
                align-items: center;
                border-radius: 12px;
                display: inline-flex;
                font-size: 16px;
                font-weight: 800;
                justify-content: center;
                line-height: 1.35;
                min-height: 48px;
                padding: 12px 20px;
                text-align: center;
                text-decoration: none;
                transition: transform 160ms ease, background-color 160ms ease;
            }

            .bdp-standard-cta__button:hover {
                transform: translateY(-1px);
            }

            .bdp-standard-cta__button--primary {
                background: var(--bdp-brand);
                border: 1px solid var(--bdp-brand);
                color: #fff;
            }

            .bdp-standard-cta__button--primary:hover {
                background: var(--bdp-brand-dark);
                color: #fff;
            }

            .bdp-standard-cta__button--secondary {
                background: #fff;
                border: 1px solid #a9bedb;
                color: var(--bdp-ink);
            }

            @media (max-width: 767px) {
                body.single-post .entry-content {
                    font-size: 17px;
                    line-height: 1.76;
                }

                .bdp-standard-cta {
                    grid-template-columns: 1fr;
                    margin-top: 38px;
                }

                .bdp-standard-cta__actions {
                    min-width: 0;
                    width: 100%;
                }

                .bdp-standard-cta__button {
                    width: 100%;
                }
            }