*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --xvr-primary: #1f3a5f;
    --xvr-accent: #ff7b54;
    --xvr-deep: #0e1d31;
    --xvr-canvas: #eef2f8;
    --xvr-ink: #16283f;
    --xvr-quiet: #5a6b82;
    --xvr-hairline: #d6e0ec;
    --xvr-card: #ffffff;
    --xvr-stock: #0f7a53;
    --xvr-ui: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --xvr-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
    --xvr-r1: 10px;
    --xvr-r2: 16px;
    --xvr-r3: 26px;
    --xvr-sh1: 0 6px 18px rgba(14, 29, 49, .07);
    --xvr-sh2: 0 16px 38px rgba(14, 29, 49, .12);
    --xvr-sh3: 0 30px 70px rgba(14, 29, 49, .18);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--xvr-ui);
    background:
        radial-gradient(circle at 12% 6%, rgba(255, 123, 84, .12), transparent 34%),
        linear-gradient(180deg, #ffffff 0%, #eef2f8 62%, #e3eaf4 100%);
    color: var(--xvr-ink);
    line-height: 1.7;
    font-size: 16px;
}

a {
    color: var(--xvr-primary);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover { color: var(--xvr-accent); }

.xvr-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 16px 20px;
    background: rgba(238, 242, 248, .92);
    backdrop-filter: blur(14px);
    border-bottom: 2px solid rgba(31, 58, 95, .14);
}
.xvr-topbar-inner {
    max-width: 1160px;
    margin: 0 auto;
    text-align: center;
}
.xvr-brand {
    font-family: var(--xvr-ui);
    font-size: 20px;
    letter-spacing: .24em;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--xvr-primary);
}
.xvr-brand:hover { color: var(--xvr-accent); }

.xvr-doc-head {
    max-width: 980px;
    margin: 0 auto;
    padding: 56px 20px 34px;
}
.xvr-doc-head-inner {
    border-left: 6px solid var(--xvr-accent);
    padding-left: 26px;
}
.xvr-doc-tag {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 4px;
    background: var(--xvr-primary);
    font-family: var(--xvr-ui);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: 16px;
}
.xvr-doc-title {
    max-width: 760px;
    margin: 0 0 12px;
    font-family: var(--xvr-serif);
    font-size: clamp(28px, 4.4vw, 46px);
    line-height: 1.16;
    color: var(--xvr-deep);
}
.xvr-doc-lead {
    max-width: 660px;
    color: var(--xvr-quiet);
    font-size: 17px;
    line-height: 1.72;
}

.xvr-doc-shell {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px 80px;
}
.xvr-doc-panel {
    background: var(--xvr-card);
    border: 1px solid var(--xvr-hairline);
    border-radius: var(--xvr-r3);
    box-shadow: var(--xvr-sh2);
    padding: 44px 48px 48px;
}
@media (max-width: 740px) {
    .xvr-doc-panel { padding: 26px 20px 30px; border-radius: 18px; }
    .xvr-doc-head { padding-top: 40px; }
    .xvr-doc-head-inner { padding-left: 16px; }
}

.xvr-stamp {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 10px;
    align-items: baseline;
    margin-bottom: 26px;
    padding: 12px 16px;
    border-radius: var(--xvr-r1);
    background: var(--xvr-canvas);
    border-left: 4px solid var(--xvr-primary);
    font-size: 14px;
    color: var(--xvr-quiet);
}
.xvr-stamp b { color: var(--xvr-deep); font-weight: 800; }

.xvr-intro {
    color: var(--xvr-quiet);
    margin-bottom: 14px;
}

.xvr-sec {
    display: grid;
    grid-template-columns: 76px 1fr;
    gap: 22px;
    align-items: start;
    padding: 26px 0;
    border-top: 1px solid var(--xvr-hairline);
}
.xvr-sec:first-of-type { border-top: none; padding-top: 6px; }
.xvr-sec-num {
    font-family: var(--xvr-serif);
    font-size: 54px;
    line-height: .9;
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 1.6px var(--xvr-accent);
    letter-spacing: -.02em;
}
.xvr-sec-body h2 {
    font-family: var(--xvr-ui);
    font-size: clamp(19px, 2.4vw, 25px);
    line-height: 1.24;
    color: var(--xvr-deep);
    margin: 2px 0 12px;
}
.xvr-sec-body h3 {
    font-family: var(--xvr-ui);
    font-size: 16px;
    line-height: 1.3;
    color: var(--xvr-primary);
    margin: 18px 0 8px;
}
.xvr-sec-body p { color: var(--xvr-quiet); margin-bottom: 12px; }
.xvr-sec-body ul,
.xvr-sec-body ol {
    padding-left: 20px;
    margin: 0 0 14px;
    color: var(--xvr-quiet);
}
.xvr-sec-body li { margin-bottom: 6px; }
.xvr-sec-body strong { color: var(--xvr-deep); }
.xvr-sec-body > *:last-child { margin-bottom: 0; }
@media (max-width: 620px) {
    .xvr-sec { grid-template-columns: 46px 1fr; gap: 14px; }
    .xvr-sec-num { font-size: 36px; -webkit-text-stroke-width: 1.2px; }
}

.xvr-callout {
    margin: 18px 0;
    padding: 18px 20px;
    border-radius: var(--xvr-r1);
    background: rgba(255, 123, 84, .1);
    border: 1px dashed rgba(255, 123, 84, .55);
}
.xvr-callout p { margin: 0; color: var(--xvr-ink); }

.xvr-matrix {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 20px;
    font-size: 15px;
    border: 1px solid var(--xvr-hairline);
    border-radius: var(--xvr-r1);
    overflow: hidden;
}
.xvr-matrix th {
    background: var(--xvr-deep);
    color: #ffffff;
    text-align: left;
    padding: 12px 14px;
    font-family: var(--xvr-ui);
    font-size: 13px;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.xvr-matrix td {
    padding: 12px 14px;
    border-top: 1px solid var(--xvr-hairline);
    color: var(--xvr-quiet);
    vertical-align: top;
}
.xvr-matrix tr:nth-child(even) td { background: #f7fafd; }

.xvr-facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin: 18px 0 20px;
}
.xvr-fact {
    background: #f7fafd;
    border: 1px solid var(--xvr-hairline);
    border-top: 3px solid var(--xvr-accent);
    border-radius: var(--xvr-r1);
    padding: 18px 16px;
}
.xvr-fact-name {
    font-family: var(--xvr-ui);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--xvr-primary);
    margin-bottom: 6px;
}
.xvr-fact-text {
    font-size: 14px;
    line-height: 1.62;
    color: var(--xvr-quiet);
}

.xvr-track {
    margin: 20px 0 22px;
    padding-left: 26px;
    border-left: 2px solid var(--xvr-hairline);
    display: grid;
    gap: 22px;
}
.xvr-track-step { position: relative; }
.xvr-track-mark {
    position: absolute;
    left: -37px;
    top: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: var(--xvr-ui);
    font-size: 12px;
    font-weight: 800;
    color: #ffffff;
    background: var(--xvr-primary);
    box-shadow: 0 0 0 4px #ffffff;
}
.xvr-track-when {
    font-family: var(--xvr-ui);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--xvr-accent);
    margin-bottom: 3px;
}
.xvr-track-title {
    font-family: var(--xvr-ui);
    font-size: 16px;
    font-weight: 800;
    color: var(--xvr-deep);
    margin-bottom: 4px;
}
.xvr-track-text {
    font-size: 15px;
    color: var(--xvr-quiet);
}

.xvr-footer {
    margin-top: 40px;
    background: var(--xvr-deep);
    color: #93a6bd;
    padding: 26px 20px 20px;
    font-family: var(--xvr-ui);
    text-align: center;
    border-top: 4px solid var(--xvr-primary);
}
.xvr-footer-inner {
    max-width: 900px;
    margin: 0 auto;
}
.xvr-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 22px;
    margin-bottom: 12px;
}
.xvr-footer-links a {
    color: #b8c8da;
    font-size: 12px;
    text-decoration: none;
}
.xvr-footer-links a:hover { color: var(--xvr-accent); }
.xvr-footer-copy {
    font-size: 12px;
    color: #8095ae;
}