.zvd-doc {
    --zvd-text: #123b35;
    --zvd-muted: #5f706c;
    --zvd-surface: #ffffff;
    --zvd-soft: #f1f7f5;
    --zvd-border: rgba(31, 107, 92, 0.16);
    --zvd-shadow: 0 22px 60px rgba(14, 45, 40, 0.12);
    color: var(--zvd-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    max-width: 1120px;
    margin: 0 auto;
    padding: 26px 18px 54px;
    box-sizing: border-box;
}

.zvd-doc *,
.zvd-doc *::before,
.zvd-doc *::after {
    box-sizing: border-box;
}

.zvd-doc a {
    color: inherit;
}

.zvd-section,
.zvd-hero,
.zvd-notice,
.zvd-cta {
    margin: 34px 0;
}

.zvd-section h2,
.zvd-text h2,
.zvd-cards h2,
.zvd-table-section h2,
.zvd-timeline-section h2,
.zvd-cta h2 {
    margin: 0 0 14px;
    color: var(--zvd-dark);
    font-size: clamp(1.65rem, 2.4vw, 2.35rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
}

.zvd-section-subtitle,
.zvd-richtext,
.zvd-text p,
.zvd-card p,
.zvd-timeline-card p,
.zvd-cta p {
    color: var(--zvd-muted);
    font-size: clamp(1rem, 1.35vw, 1.12rem);
    line-height: 1.75;
}

.zvd-hero {
    position: relative;
    overflow: hidden;
    min-height: 410px;
    border-radius: var(--zvd-radius);
    padding: clamp(30px, 6vw, 64px);
    background: radial-gradient(circle at 86% 18%, rgba(255,255,255,0.18), transparent 34%), linear-gradient(135deg, var(--zvd-primary), var(--zvd-dark));
    box-shadow: var(--zvd-shadow);
    isolation: isolate;
}

.zvd-hero-bg,
.zvd-hero::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
    z-index: -1;
}

.zvd-hero-bg {
    width: 380px;
    height: 380px;
    right: -120px;
    bottom: -130px;
    border: 58px solid rgba(255,255,255,0.10);
}

.zvd-hero::after {
    width: 520px;
    height: 520px;
    left: -310px;
    top: -270px;
    background: rgba(255,255,255,0.08);
}

.zvd-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 36px;
    padding: 12px 20px;
    border-radius: 999px;
    color: rgba(255,255,255,0.92);
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.16);
    backdrop-filter: blur(10px);
    text-transform: uppercase;
    font-size: 0.88rem;
    line-height: 1;
    font-weight: 800;
    letter-spacing: 0.1em;
}

.zvd-eyebrow span {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #ffffff;
    display: inline-block;
    box-shadow: 0 0 18px rgba(255,255,255,0.9);
}

.zvd-hero h2 {
    max-width: 760px;
    margin: 0;
    color: #ffffff;
    font-size: clamp(2.45rem, 6vw, 5.25rem);
    line-height: 0.98;
    letter-spacing: -0.075em;
}

.zvd-hero p {
    max-width: 680px;
    margin: 28px 0 0;
    color: rgba(255,255,255,0.86);
    font-size: clamp(1.08rem, 2.4vw, 1.62rem);
    line-height: 1.55;
}

.zvd-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 24px;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 999px;
    color: #ffffff !important;
    background: var(--zvd-button);
    font-weight: 800;
    text-decoration: none !important;
    box-shadow: 0 12px 28px rgba(31, 107, 92, 0.24);
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.zvd-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 34px rgba(31, 107, 92, 0.28);
}

.zvd-button-light {
    background: #ffffff;
    color: var(--zvd-dark) !important;
}

.zvd-richtext {
    background: var(--zvd-surface);
    border: 1px solid var(--zvd-border);
    border-radius: var(--zvd-radius);
    padding: clamp(24px, 3vw, 34px);
    box-shadow: 0 16px 42px rgba(14,45,40,0.06);
}

.zvd-richtext p:first-child {
    margin-top: 0;
}

.zvd-richtext p:last-child {
    margin-bottom: 0;
}

.zvd-notice {
    position: relative;
    border-radius: var(--zvd-radius);
    padding: 28px 30px;
    border: 1px solid var(--zvd-border);
    background: var(--zvd-soft);
}

.zvd-notice::before {
    content: "";
    position: absolute;
    left: 0;
    top: 24px;
    bottom: 24px;
    width: 5px;
    border-radius: 0 999px 999px 0;
    background: var(--zvd-primary);
}

.zvd-notice-success::before {
    background: #1f8f66;
}

.zvd-notice-warning::before {
    background: #b88719;
}

.zvd-notice-label {
    color: var(--zvd-primary);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 10px;
}

.zvd-notice h3 {
    margin: 0 0 10px;
    color: var(--zvd-dark);
    font-size: 1.3rem;
}

.zvd-notice p {
    margin: 0;
    color: var(--zvd-muted);
    line-height: 1.7;
}

.zvd-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.zvd-card {
    min-height: 170px;
    background: #ffffff;
    border: 1px solid var(--zvd-border);
    border-radius: var(--zvd-radius);
    padding: 26px;
    box-shadow: 0 16px 40px rgba(14,45,40,0.07);
}

.zvd-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 16px;
    margin-bottom: 16px;
    background: var(--zvd-soft);
    color: var(--zvd-primary);
    font-size: 1.25rem;
}

.zvd-card h3 {
    margin: 0 0 10px;
    color: var(--zvd-dark);
    font-size: 1.22rem;
    line-height: 1.25;
}

.zvd-card p {
    margin: 0;
    font-size: 1rem;
}

.zvd-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--zvd-border);
    border-radius: var(--zvd-radius);
    background: #ffffff;
    box-shadow: 0 16px 40px rgba(14,45,40,0.06);
}

.zvd-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    min-width: 560px;
}

.zvd-table th,
.zvd-table td {
    padding: 18px 20px;
    border-bottom: 1px solid rgba(31,107,92,0.10);
    text-align: left;
    vertical-align: top;
}

.zvd-table tr:last-child td {
    border-bottom: 0;
}

.zvd-table th {
    background: var(--zvd-soft);
    color: var(--zvd-dark);
    font-weight: 900;
}

.zvd-table td:first-child {
    color: var(--zvd-primary);
    font-weight: 900;
    white-space: nowrap;
}

.zvd-timeline {
    position: relative;
    margin-top: 28px;
}

.zvd-timeline::before {
    content: "";
    position: absolute;
    left: 29px;
    top: 22px;
    bottom: 22px;
    width: 2px;
    background: linear-gradient(var(--zvd-primary), rgba(31,107,92,0.08));
}

.zvd-timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 22px;
    margin-bottom: 20px;
}

.zvd-timeline-marker {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10px;
}

.zvd-timeline-marker span {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--zvd-primary);
    color: #ffffff;
    box-shadow: 0 12px 26px rgba(31,107,92,0.28);
    font-size: 1.1rem;
}

.zvd-timeline-card {
    position: relative;
    padding: 24px 26px;
    border-radius: var(--zvd-radius);
    border: 1px solid var(--zvd-border);
    background: #ffffff;
    box-shadow: 0 16px 40px rgba(14,45,40,0.07);
}

.zvd-timeline-time {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    margin-bottom: 14px;
    background: var(--zvd-soft);
    color: var(--zvd-primary);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.zvd-timeline-card h3 {
    margin: 0 0 8px;
    color: var(--zvd-dark);
    font-size: 1.32rem;
}

.zvd-timeline-card p {
    margin: 0;
    font-size: 1rem;
}

.zvd-syntax-badge {
    display: inline-flex;
    margin-top: 16px;
    padding: 8px 12px;
    border-radius: 12px;
    background: #0d332e;
    color: #ffffff;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.95rem;
    font-weight: 800;
}

.zvd-cta {
    border-radius: var(--zvd-radius);
    padding: clamp(28px, 4vw, 46px);
    background: linear-gradient(135deg, var(--zvd-dark), var(--zvd-primary));
    color: #ffffff;
    box-shadow: var(--zvd-shadow);
    text-align: center;
}

.zvd-cta h2 {
    color: #ffffff;
    margin-bottom: 12px;
}

.zvd-cta p {
    max-width: 720px;
    margin: 0 auto;
    color: rgba(255,255,255,0.82);
}

.zvd-cta .zvd-button {
    background: #ffffff;
    color: var(--zvd-dark) !important;
}

@media (max-width: 900px) {
    .zvd-card-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 680px) {
    .zvd-doc {
        padding-left: 0;
        padding-right: 0;
    }

    .zvd-section,
    .zvd-notice,
    .zvd-cta {
        margin-left: 0;
        margin-right: 0;
    }

    .zvd-hero {
        min-height: 0;
        padding: 30px 26px 34px;
        border-radius: 22px;
    }

    .zvd-eyebrow {
        margin-bottom: 24px;
        padding: 11px 16px;
        font-size: 0.72rem;
        max-width: 100%;
        white-space: normal;
    }

    .zvd-hero h2 {
        font-size: clamp(2.25rem, 11vw, 3.35rem);
        letter-spacing: -0.065em;
    }

    .zvd-hero p {
        color: rgba(255,255,255,0.92);
        font-size: 1.08rem;
        line-height: 1.55;
    }

    .zvd-hero-bg {
        width: 260px;
        height: 260px;
        right: -120px;
        bottom: -115px;
        border-width: 38px;
    }

    .zvd-card-grid {
        grid-template-columns: 1fr;
    }

    .zvd-timeline::before {
        left: 20px;
    }

    .zvd-timeline-item {
        grid-template-columns: 42px 1fr;
        gap: 14px;
    }

    .zvd-timeline-marker span {
        width: 36px;
        height: 36px;
        font-size: 0.95rem;
    }

    .zvd-timeline-card,
    .zvd-card,
    .zvd-richtext,
    .zvd-notice {
        padding: 22px;
    }

    .zvd-table {
        min-width: 0;
    }

    .zvd-table thead {
        display: none;
    }

    .zvd-table,
    .zvd-table tbody,
    .zvd-table tr,
    .zvd-table td {
        display: block;
        width: 100%;
    }

    .zvd-table tr {
        border-bottom: 1px solid rgba(31,107,92,0.12);
        padding: 12px 0;
    }

    .zvd-table tr:last-child {
        border-bottom: 0;
    }

    .zvd-table td {
        border-bottom: 0;
        padding: 8px 18px;
        white-space: normal !important;
    }

    .zvd-table td::before {
        content: attr(data-label);
        display: block;
        margin-bottom: 4px;
        color: var(--zvd-muted);
        font-size: 0.75rem;
        font-weight: 900;
        text-transform: uppercase;
        letter-spacing: 0.08em;
    }
}