:root {
    --color-bg: #ffffff;
    --color-raise: #f4f6f6;
    --color-text: #14191a;
    --color-muted: #55605f;
    --color-accent: #0f766e;
    --color-accent-deep: #0b544e;
    --color-border: #e0e5e4;
    --font-head: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --font-mark: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --container: 1200px;
    --radius: 0px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.68;
}

.qv-hold {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 22px;
}

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

img { max-width: 100%; }

:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

h1, h2, h3 {
    font-family: var(--font-head);
    font-weight: 600;
    line-height: 1.14;
    margin: 0 0 18px;
    letter-spacing: -0.022em;
}

h1 { font-size: clamp(2rem, 5.6vw, 3.1rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
h3 { font-size: 1.12rem; letter-spacing: -0.01em; }

p { margin: 0 0 17px; }

.qv-bar { padding: 20px 0 16px; border-bottom: 1px solid var(--color-border); }

.qv-bar__row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 6px 20px;
}

.qv-name {
    font-family: var(--font-head);
    font-size: 1.14rem;
    font-weight: 700;
    letter-spacing: 2.4px;
    text-transform: uppercase;
    color: var(--color-text);
    text-decoration: none;
}

.qv-bar__mail { font-size: 0.92rem; display: inline-flex; align-items: center; min-height: 44px; }

.qv-open { padding-top: 54px; padding-bottom: 6px; }
.qv-open h1 { max-width: 19ch; }
.qv-open > p { font-size: 1.1rem; color: var(--color-muted); max-width: 56ch; }

.qv-tag {
    font-family: var(--font-mark);
    font-size: 0.72rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-muted);
    margin: 0;
}

.qv-block {
    padding-top: 58px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.qv-block--rule { border-top: 1px solid var(--color-border); margin-top: 58px; padding-top: 34px; }

.qv-block__mark {
    font-family: var(--font-mark);
    font-size: 0.72rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-muted);
    margin: 0 0 8px;
    line-height: 1.7;
}

.qv-block__mark b { color: var(--color-accent-deep); font-weight: 400; display: block; }

.qv-block__body { min-width: 0; }
.qv-block__body > p, .qv-block__body li { max-width: 68ch; }
.qv-block__body ul, .qv-block__body ol { padding-left: 24px; margin: 0 0 17px; }
.qv-block__body li { margin-bottom: 9px; }

.qv-scroll { overflow-x: auto; margin: 6px 0 12px; }

table {
    border-collapse: collapse;
    width: 100%;
    min-width: 660px;
    font-size: 0.94rem;
    line-height: 1.55;
}

caption { text-align: left; color: var(--color-muted); font-size: 0.9rem; padding-bottom: 14px; }

th, td {
    text-align: left;
    padding: 13px 18px 13px 0;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

thead th {
    font-family: var(--font-mark);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--color-muted);
    font-weight: 600;
}

tbody th { font-weight: 600; }
td.qv-num { text-align: right; font-variant-numeric: tabular-nums; padding-right: 8px; }

.qv-src { color: var(--color-muted); font-size: 0.9rem; font-style: italic; max-width: 66ch; }

.qv-title { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; }
.qv-title img { flex: none; }
.qv-title h3 { margin: 0 0 2px; font-size: 1.35rem; }

.qv-title__dev {
    font-family: var(--font-mark);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.1px;
    color: var(--color-muted);
    margin: 0;
}

.qv-shots { display: grid; grid-template-columns: 1fr; gap: 20px; margin: 4px 0 18px; }
.qv-shots figure { margin: 0; min-width: 0; }
.qv-shots img { display: block; width: 100%; max-width: 380px; height: auto; }
.qv-shots figcaption { font-size: 0.87rem; color: var(--color-muted); padding-top: 9px; line-height: 1.55; }

.qv-spec { margin: 0 0 18px; max-width: 62ch; }
.qv-spec div { display: flex; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--color-border); }
.qv-spec dt { flex: 0 0 42%; font-weight: 600; margin: 0; font-size: 0.95rem; }
.qv-spec dd { margin: 0; color: var(--color-muted); font-size: 0.95rem; }

.qv-words { margin: 4px 0 0; }
.qv-words dt { font-weight: 600; margin-top: 22px; }
.qv-words dd { margin: 5px 0 0; color: var(--color-muted); max-width: 62ch; }

.qv-btn {
    display: inline-block;
    min-height: 44px;
    padding: 14px 26px;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius);
    background: transparent;
    color: var(--color-accent);
    font: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    cursor: pointer;
    transition: background 140ms ease, color 140ms ease;
}

.qv-btn:hover { background: var(--color-accent); color: #ffffff; }

.qv-go { display: inline-block; font-weight: 600; text-decoration: none; }
.qv-go::after { content: " \2192"; display: inline-block; transition: transform 140ms ease; }
.qv-go:hover { text-decoration: underline; }
.qv-go:hover::after { transform: translateX(4px); }

.qv-mail__addr {
    font-size: clamp(1.2rem, 4.2vw, 1.7rem);
    font-weight: 700;
    word-break: break-word;
    display: inline-block;
    margin-bottom: 10px;
}

.qv-foot {
    margin-top: 72px;
    padding: 32px 0 48px;
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 0.92rem;
}

.qv-foot h2 { font-size: 1rem; color: var(--color-text); letter-spacing: 0; }
.qv-foot p { max-width: 68ch; }
.qv-foot__nav { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-wrap: wrap; gap: 0 24px; }
.qv-foot__nav a { display: inline-flex; align-items: center; min-height: 44px; }

.qv-ask {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 40;
    max-width: 600px;
    background: var(--color-raise);
    border: 1px solid var(--color-border);
    padding: 20px 22px;
}

.qv-ask p { font-size: 0.92rem; margin-bottom: 14px; line-height: 1.6; }
.qv-ask__row { display: flex; flex-wrap: wrap; gap: 10px; }
.qv-ask__row .qv-btn { flex: 1 1 160px; text-align: center; }

.qv-doc { padding-top: 40px; padding-bottom: 12px; max-width: 780px; }
.qv-doc h2 { font-size: clamp(1.3rem, 3.2vw, 1.65rem); margin-top: 36px; }
.qv-doc p, .qv-doc li { max-width: 68ch; }
.qv-doc ul { padding-left: 24px; }
.qv-doc li { margin-bottom: 10px; }

@media (min-width: 640px) {
    .qv-ask__row .qv-btn { flex: 0 0 auto; }
    .qv-shots { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 920px) {
    .qv-open { padding-top: 84px; }
    .qv-block { grid-template-columns: 132px 1fr; gap: 0 40px; padding-top: 84px; }
    .qv-block--rule { padding-top: 44px; }
    .qv-block__mark { padding-top: 10px; }
}

.qv-read { margin: 22px 0 20px; padding-left: 0; list-style: none; counter-reset: qvread; }
.qv-read li { position: relative; padding-left: 40px; margin-bottom: 16px; counter-increment: qvread; }
.qv-read li::before { content: counter(qvread, decimal-leading-zero); position: absolute; left: 0; top: 2px; font-family: var(--font-mark); font-size: 12px; color: var(--color-accent-deep); }