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

:root {
    --rv-primary: #1f3b40;
    --rv-secondary: #2f6f6b;
    --rv-accent: #e0873a;
    --rv-ink: #1b2126;
    --rv-muted: #5c6a72;
    --rv-line: #dbe3e6;
    --rv-paper: #fbfdfd;
    --rv-surface: #eef4f5;
    --rv-panel: #ffffff;
    --rv-night: #161c20;
    --rv-sans: "Segoe UI", Tahoma, Arial, sans-serif;
    --rv-serif: Georgia, "Times New Roman", serif;
    --rv-r-sm: 10px;
    --rv-r-md: 16px;
    --rv-r-lg: 24px;
    --rv-sh-1: 0 8px 22px rgba(27, 33, 38, .06);
    --rv-sh-2: 0 16px 40px rgba(27, 33, 38, .10);
    --rv-sh-3: 0 26px 60px rgba(27, 33, 38, .15);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--rv-serif);
    background:
        radial-gradient(circle at top left, rgba(47, 111, 107, .09), transparent 30%),
        linear-gradient(180deg, #fbfdfd 0%, #eef4f5 100%);
    color: var(--rv-ink);
    line-height: 1.72;
    font-size: 16px;
}

a {
    color: var(--rv-primary);
    text-decoration: none;
    transition: color .2s ease, opacity .2s ease;
}
a:hover { color: var(--rv-secondary); }

.crestBar_rv6 {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 18px 20px;
    background: rgba(251, 253, 253, .9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(31, 59, 64, .14);
}
.crestBar_rv6__inner {
    max-width: 1160px;
    margin: 0 auto;
    text-align: center;
}
.crestBar_rv6__mark {
    font-family: var(--rv-sans);
    font-size: 21px;
    letter-spacing: .2em;
    text-transform: uppercase;
    font-weight: 900;
    color: var(--rv-primary);
}

.introLead_rv6 {
    padding: 78px 20px 52px;
    text-align: center;
    color: var(--rv-ink);
}
.introLead_rv6__tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 7px 16px;
    border-radius: 999px;
    border: 1px solid rgba(31, 59, 64, .16);
    background: rgba(255, 255, 255, .74);
    box-shadow: var(--rv-sh-1);
    font-family: var(--rv-sans);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--rv-secondary);
    margin-bottom: 18px;
}
.introLead_rv6__title {
    max-width: 820px;
    margin: 0 auto 14px;
    font-size: clamp(30px, 5vw, 52px);
    line-height: 1.1;
    color: var(--rv-primary);
}
.introLead_rv6__sub {
    max-width: 640px;
    margin: 0 auto;
    color: var(--rv-muted);
    font-size: 17px;
    line-height: 1.78;
}

.docWrap_rv6 {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px 88px;
}
.docSheet_rv6 {
    background: linear-gradient(180deg, rgba(255, 255, 255, .95) 0%, rgba(251, 253, 253, .98) 100%);
    border: 1px solid rgba(31, 59, 64, .11);
    border-radius: var(--rv-r-lg);
    box-shadow: var(--rv-sh-2);
    padding: 52px 56px;
}
@media (max-width: 740px) {
    .docSheet_rv6 { padding: 30px 22px; border-radius: 18px; }
    .introLead_rv6 { padding-top: 60px; }
}

.docSheet_rv6 h2 {
    font-size: clamp(22px, 3vw, 31px);
    line-height: 1.2;
    color: var(--rv-primary);
    margin: 34px 0 14px;
}
.docSheet_rv6 h2:first-child { margin-top: 0; }
.docSheet_rv6 h3 {
    font-size: 19px;
    line-height: 1.3;
    color: var(--rv-ink);
    margin: 24px 0 10px;
}
.docSheet_rv6 p {
    color: var(--rv-muted);
    margin-bottom: 15px;
}
.docSheet_rv6 ul,
.docSheet_rv6 ol {
    padding-left: 20px;
    margin: 0 0 16px;
    color: var(--rv-muted);
}
.docSheet_rv6 li { margin-bottom: 7px; }
.docSheet_rv6 strong { color: var(--rv-ink); }

.rightGrid_rv6 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 18px;
    margin: 26px 0;
}
.rightTile_rv6 {
    background: linear-gradient(180deg, rgba(255, 255, 255, .94), rgba(238, 244, 245, .98));
    border: 1px solid rgba(31, 59, 64, .1);
    border-radius: var(--rv-r-md);
    padding: 24px 20px;
    box-shadow: var(--rv-sh-1);
}
.rightTile_rv6__title {
    font-family: var(--rv-sans);
    font-size: 15px;
    font-weight: 900;
    color: var(--rv-primary);
    margin-bottom: 6px;
}
.rightTile_rv6__body {
    font-size: 14px;
    line-height: 1.68;
    color: var(--rv-muted);
}

.markNote_rv6 {
    margin: 26px 0;
    padding: 22px 24px;
    border-radius: var(--rv-r-md);
    background: linear-gradient(135deg, rgba(224, 135, 58, .18), rgba(255, 255, 255, .96));
    border: 1px solid rgba(224, 135, 58, .34);
    box-shadow: var(--rv-sh-1);
}
.markNote_rv6 p { margin: 0; color: var(--rv-ink); }

.dataTable_rv6 {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0 26px;
    overflow: hidden;
    border-radius: 14px;
    box-shadow: var(--rv-sh-1);
    background: var(--rv-panel);
}
.dataTable_rv6 th {
    background: linear-gradient(135deg, var(--rv-primary), var(--rv-secondary));
    color: #fff;
    text-align: left;
    padding: 14px 16px;
    font-family: var(--rv-sans);
    font-size: 14px;
    letter-spacing: .02em;
}
.dataTable_rv6 td {
    padding: 13px 16px;
    border-bottom: 1px solid rgba(31, 59, 64, .09);
    color: var(--rv-muted);
    background: rgba(255, 255, 255, .88);
}
.dataTable_rv6 tr:nth-child(even) td { background: rgba(238, 244, 245, .8); }
.dataTable_rv6 tr:last-child td { border-bottom: none; }

.stepList_rv6 {
    margin: 28px 0;
    display: grid;
    gap: 18px;
}
.stepItem_rv6 {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 16px;
    align-items: start;
    padding: 20px 20px 18px;
    background: rgba(255, 255, 255, .84);
    border: 1px solid rgba(31, 59, 64, .09);
    border-radius: var(--rv-r-md);
    box-shadow: var(--rv-sh-1);
}
.stepItem_rv6__num {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: var(--rv-sans);
    font-size: 18px;
    font-weight: 900;
    color: #fff;
    background: linear-gradient(135deg, var(--rv-primary), var(--rv-secondary));
}
.stepItem_rv6__title {
    font-family: var(--rv-sans);
    font-size: 15px;
    font-weight: 900;
    color: var(--rv-ink);
    margin-bottom: 4px;
}
.stepItem_rv6__text {
    font-size: 15px;
    color: var(--rv-muted);
}

.pageFoot_rv6 {
    margin-top: 40px;
    background: #f5f5f7;
    color: #9a9a9a;
    padding: 20px 20px 16px;
    font-family: var(--rv-sans);
    text-align: center;
    border-top: 1px solid #e8e8e8;
}
.pageFoot_rv6__shell {
    max-width: 900px;
    margin: 0 auto;
}
.pageFoot_rv6__legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 20px;
    margin-bottom: 10px;
}
.pageFoot_rv6__legal a {
    color: #b0b0b0;
    font-size: 11px;
    text-decoration: none;
}
.pageFoot_rv6__legal a:hover { color: #666; }
.pageFoot_rv6__copy {
    font-size: 11px;
    color: #b8b8b8;
}