/* ============================================================================
   m19 · 精密制造 / 工程 B2B —— 浅底蓝调 · 干净技术感
   primary #14457a · accent #ff6b1a · neutral surface #eef2f6
   Display/Body: 系统中文字体栈 · Spec/Mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace(保留蓝图等宽数字)
   ========================================================================== */

:root {
    --m19-primary: #14457a;
    --m19-primary-d: #0e3460;
    --m19-primary-l: #1f5a98;
    --m19-accent: #ff6b1a;
    --m19-accent-d: #e85c0c;

    --m19-bg: #eef2f6;        /* neutral page surface */
    --m19-bg-2: #e3eaf1;
    --m19-bg-3: #f6f9fc;      /* lightest panel */
    --m19-card: #ffffff;
    --m19-card-2: #f8fafc;

    --m19-line: #d9e2ec;
    --m19-line-strong: #c2d0de;
    --m19-line-soft: #e7edf3;

    --m19-ink: #16263a;       /* near-ink heading */
    --m19-ink-2: #4a5d72;     /* body */
    --m19-ink-3: #8295a8;     /* muted / labels */

    --m19-ok: #1f9d57;

    --m19-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    --m19-head: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    --m19-mono: 'ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace', 'SFMono-Regular', 'Courier New', monospace;
    --zcfab-accent: #ff6b1a;

    --m19-shell: 1280px;
    --m19-r: 4px;
    --m19-r-md: 8px;
    --m19-shadow: 0 1px 2px rgba(20, 69, 122, 0.05), 0 8px 24px -16px rgba(20, 69, 122, 0.25);
    --m19-shadow-hover: 0 4px 10px rgba(20, 69, 122, 0.08), 0 18px 36px -18px rgba(20, 69, 122, 0.32);
}

/* ───────── Base reset ───────── */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body.m19-body {
    font-family: var(--m19-sans);
    color: var(--m19-ink-2);
    background: var(--m19-bg);
    font-size: 14px;
    line-height: 1.65;
    font-weight: 400;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--m19-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--m19-accent); }
ul, ol, dl, dt, dd, p, h1, h2, h3, h4, h5, h6 { margin: 0; padding: 0; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.seo-h1 {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ───────── Background layer (subtle, clean) ───────── */

.m19-grid-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        linear-gradient(180deg, #f3f7fb 0%, var(--m19-bg) 220px, var(--m19-bg) 100%);
}

.m19-mast,
.m19-main,
.m19-footer { position: relative; z-index: 1; }

/* ───────── Shell ───────── */

.m19-shell {
    width: 100%;
    max-width: var(--m19-shell);
    margin: 0 auto;
    padding: 0 32px;
    position: relative;
}
.m19-shell-narrow { max-width: 920px; }

/* ───────── Header / Mast ───────── */

.m19-mast {
    background: var(--m19-card);
    border-bottom: 1px solid var(--m19-line);
    position: relative;
}

/* trust strip */
.m19-trust {
    background: var(--m19-primary);
    color: #cfe0f0;
    font-size: 12px;
    letter-spacing: 0.01em;
}
.m19-trust-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 8px 0;
    flex-wrap: wrap;
}
.m19-trust-stamp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-weight: 500;
}
.m19-trust-stamp .dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.25);
}
.m19-trust-meta { display: inline-flex; gap: 8px; flex-wrap: wrap; }
.m19-trust-pill {
    display: inline-block;
    padding: 2px 9px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    color: #dbe7f3;
    font-size: 11px;
    letter-spacing: 0.02em;
}
.m19-trust-pill.verified {
    color: var(--m19-primary);
    background: #fff;
    border-color: #fff;
    font-weight: 600;
}
.m19-trust-links { display: inline-flex; gap: 8px; align-items: center; }
.m19-trust-links a { color: #cfe0f0; }
.m19-trust-links a:hover { color: #fff; }
.m19-trust-links .sep { color: rgba(255, 255, 255, 0.4); }

/* title block */
.m19-titleblock {
    padding: 22px 0;
}
.m19-titleblock-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 32px;
    align-items: center;
}

.m19-brand {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    color: var(--m19-ink);
}
.m19-brand-logo-frame {
    position: relative;
    width: 60px;
    height: 60px;
    padding: 5px;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    background: #fff;
    flex-shrink: 0;
}
.m19-brand-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
/* keep registration ticks but as subtle primary accents */
.m19-brand-tick {
    position: absolute;
    width: 7px; height: 7px;
    border: 1.5px solid var(--m19-primary);
}
.m19-brand-tick-tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.m19-brand-tick-tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.m19-brand-tick-bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.m19-brand-tick-br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.m19-brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.m19-brand-code {
    font-family: var(--m19-mono);
    font-size: 10px;
    color: var(--m19-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
}
.m19-brand-name {
    font-family: var(--m19-head);
    font-size: 23px;
    font-weight: 700;
    color: var(--m19-ink);
    letter-spacing: 0.01em;
    line-height: 1.15;
}
.m19-brand-scope {
    font-size: 12px;
    color: var(--m19-ink-3);
}

/* meta cells */
.m19-titleblock-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    background: var(--m19-bg-3);
    overflow: hidden;
}
.m19-meta-cell {
    padding: 8px 16px;
    border-right: 1px solid var(--m19-line);
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 80px;
}
.m19-meta-cell:last-child { border-right: none; }
.m19-meta-cell .lab {
    font-size: 10px;
    color: var(--m19-ink-3);
    letter-spacing: 0.04em;
}
.m19-meta-cell .val {
    font-family: var(--m19-mono);
    font-size: 13px;
    color: var(--m19-primary);
    font-weight: 500;
}

.m19-mast-cta {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 20px;
    border: 1px solid var(--m19-line);
    border-left: 3px solid var(--m19-accent);
    border-radius: var(--m19-r);
    background: var(--m19-bg-3);
    color: var(--m19-ink);
    text-decoration: none;
    transition: background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.m19-mast-cta:hover {
    background: #fff;
    box-shadow: var(--m19-shadow);
    color: var(--m19-ink);
}
.m19-mast-cta .lab {
    font-size: 10px;
    color: var(--m19-accent);
    letter-spacing: 0.06em;
    font-weight: 600;
    text-transform: uppercase;
}
.m19-mast-cta strong {
    font-family: var(--m19-mono);
    font-size: 19px;
    font-weight: 600;
    color: var(--m19-primary);
    letter-spacing: 0.01em;
}
/* dotted pointer no longer needed — keep harmless/hidden */
.m19-mast-cta-pointer { display: none; }

/* nav */
.m19-nav {
    background: var(--m19-primary);
}
.m19-nav-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}
.m19-nav-inner a {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 14px 22px;
    color: #cfe0f0;
    font-family: var(--m19-sans);
    font-size: 14px;
    font-weight: 500;
    transition: color .2s ease, background .2s ease;
    position: relative;
}
.m19-nav-inner a .num {
    font-family: var(--m19-mono);
    font-size: 10px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.06em;
}
.m19-nav-inner a .lbl { letter-spacing: 0.02em; }
.m19-nav-inner a:hover {
    color: #fff;
    background: var(--m19-primary-d);
}
.m19-nav-inner a:hover .num { color: var(--m19-accent); }
.m19-nav-inner a.is-active {
    color: #fff;
    background: var(--m19-primary-d);
}
.m19-nav-inner a.is-active .num { color: var(--m19-accent); }
.m19-nav-inner a.is-active::before {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 3px;
    background: var(--m19-accent);
}

/* ───────── Main wrapper ───────── */

.m19-main { min-height: 60vh; }
.m19-section { padding: 34px 0; position: relative; }
.m19-section-tight { padding: 24px 0 0; }

/* section header */
.m19-section-h {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 14px;
    margin-bottom: 28px;
    border-bottom: 2px solid var(--m19-line);
    position: relative;
}
.m19-section-h::after {
    content: '';
    position: absolute;
    left: 0; bottom: -2px;
    width: 56px;
    height: 2px;
    background: var(--m19-accent);
}
.m19-section-h-left {
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}
.m19-section-h-left .num {
    font-family: var(--m19-mono);
    font-size: 12px;
    color: var(--m19-accent);
    font-weight: 600;
    letter-spacing: 0.04em;
}
.m19-section-h h2 {
    font-family: var(--m19-head);
    font-weight: 700;
    font-size: 23px;
    color: var(--m19-ink);
    letter-spacing: 0.005em;
}
.m19-section-h h2 small {
    font-family: var(--m19-sans);
    font-weight: 400;
    font-size: 13px;
    color: var(--m19-ink-3);
    letter-spacing: 0.02em;
    margin-left: 6px;
}
.m19-section-more {
    font-family: var(--m19-sans);
    font-size: 13px;
    font-weight: 500;
    color: var(--m19-primary);
    letter-spacing: 0.02em;
}
.m19-section-more:hover { color: var(--m19-accent); }

/* ───────── Frame corners → soft card accents ───────── */

.m19-frame-corner {
    position: absolute;
    width: 12px;
    height: 12px;
    border: 2px solid var(--m19-primary);
    opacity: 0.35;
    pointer-events: none;
    z-index: 2;
}
.m19-frame-corner.tl { top: 6px; left: 6px; border-right: none; border-bottom: none; }
.m19-frame-corner.tr { top: 6px; right: 6px; border-left: none; border-bottom: none; }
.m19-frame-corner.bl { bottom: 6px; left: 6px; border-right: none; border-top: none; }
.m19-frame-corner.br { bottom: 6px; right: 6px; border-left: none; border-top: none; }

.m19-feat-corner { display: none; }

/* ───────── HERO ───────── */

.m19-hero { padding: 40px 0 16px; }
.m19-hero-frame {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 40px;
}
.m19-hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: center;
}
.m19-hero-info { min-width: 0; }
.m19-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 12px;
    color: var(--m19-accent);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 600;
}
.m19-hero-tag .bar { width: 26px; height: 2px; background: var(--m19-accent); }
.m19-hero-h2 {
    font-family: var(--m19-head);
    font-weight: 700;
    color: var(--m19-ink);
    margin-bottom: 16px;
    line-height: 1.12;
    letter-spacing: 0.005em;
}
.m19-hero-h2 .line { display: block; font-size: 38px; }
.m19-hero-h2-sub {
    display: block;
    font-family: var(--m19-sans);
    font-size: 15px;
    font-weight: 500;
    color: var(--m19-primary);
    margin-top: 10px;
    letter-spacing: 0.01em;
}
.m19-hero-lead {
    font-size: 14px;
    color: var(--m19-ink-2);
    line-height: 1.8;
    margin-bottom: 22px;
    border-left: 3px solid var(--m19-line-strong);
    padding-left: 14px;
}

.m19-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    margin-bottom: 24px;
    overflow: hidden;
    background: var(--m19-bg-3);
}
.m19-stat-cell {
    padding: 14px 16px;
    border-right: 1px solid var(--m19-line);
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.m19-stat-cell:last-child { border-right: none; }
.m19-stat-num {
    font-family: var(--m19-mono);
    font-size: 21px;
    font-weight: 600;
    color: var(--m19-primary);
    letter-spacing: 0.01em;
    line-height: 1;
}
.m19-stat-num small {
    font-size: 11px;
    color: var(--m19-ink-3);
    margin-left: 3px;
}
.m19-stat-num.is-on { color: var(--m19-ok); }
.m19-stat-lab {
    font-size: 11px;
    color: var(--m19-ink-3);
    letter-spacing: 0.02em;
}

.m19-hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* hero product/visual side */
.m19-hero-blueprint {
    position: relative;
    aspect-ratio: 4 / 3;
    min-height: 300px;
}
.m19-hero-img-wrap {
    position: relative;
    width: 100%; height: 100%;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    background: var(--m19-bg-3);
    overflow: hidden;
}
.m19-hero-img {
    width: 100%; height: 100%;
    object-fit: contain;
    padding: 12%;
    position: relative;
    z-index: 1;
}
.m19-hero-img-fallback {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--m19-head);
    font-weight: 700;
    font-size: 22px;
    color: var(--m19-primary);
    padding: 24px;
    text-align: center;
}

/* callouts → clean numbered chips */
.m19-callout {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 3;
    pointer-events: none;
}
.m19-callout-1 { top: 14%; right: 7%; }
.m19-callout-2 { bottom: 16%; left: 6%; }
.m19-callout-marker {
    width: 22px; height: 22px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--m19-mono);
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    background: var(--m19-accent);
    flex-shrink: 0;
}
.m19-callout-marker.abs {
    position: absolute;
    top: 12px; left: 12px;
    z-index: 3;
}
.m19-callout-leader { width: 22px; height: 2px; background: var(--m19-line-strong); }
.m19-callout-text {
    font-size: 11px;
    font-weight: 500;
    color: var(--m19-ink);
    background: #fff;
    padding: 4px 9px;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    box-shadow: var(--m19-shadow);
    letter-spacing: 0.01em;
    white-space: nowrap;
}

/* dimension line → simple metric chip */
.m19-dim {
    position: absolute;
    z-index: 3;
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 4px;
}
.m19-dim-h { bottom: 10px; left: 12%; right: 12%; }
.dim-tick { width: 1px; height: 10px; background: var(--m19-line-strong); flex-shrink: 0; }
.dim-line { flex: 1; height: 1px; background: var(--m19-line-strong); position: relative; }
.dim-num {
    font-family: var(--m19-mono);
    font-size: 11px;
    color: var(--m19-primary);
    background: #fff;
    padding: 2px 8px;
    letter-spacing: 0.01em;
    border: 1px solid var(--m19-line);
    border-radius: 999px;
    font-weight: 500;
}

/* hero info strip */
.m19-hero-titleblock {
    margin-top: 28px;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    overflow: hidden;
    display: grid;
    grid-template-columns: repeat(4, 1fr) 2fr;
    background: var(--m19-bg-3);
}
.m19-hero-titleblock .cell {
    padding: 10px 16px;
    border-right: 1px solid var(--m19-line);
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.m19-hero-titleblock .cell:last-child { border-right: none; }
.m19-hero-titleblock .lab {
    font-size: 10px;
    color: var(--m19-ink-3);
    letter-spacing: 0.02em;
}
.m19-hero-titleblock .val {
    font-size: 13px;
    font-weight: 500;
    color: var(--m19-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ───────── Buttons ───────── */

.m19-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    font-family: var(--m19-sans);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.01em;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--m19-r);
    cursor: pointer;
    transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .15s ease;
    position: relative;
    white-space: nowrap;
}
.m19-btn span { display: inline-block; transition: transform .2s ease; }
.m19-btn:hover span { transform: translateX(2px); }

.m19-btn-primary {
    background: var(--m19-accent);
    color: #fff;
    border-color: var(--m19-accent);
}
.m19-btn-primary:hover {
    background: var(--m19-accent-d);
    border-color: var(--m19-accent-d);
    color: #fff;
    box-shadow: 0 6px 16px -8px rgba(255, 107, 26, 0.6);
}

.m19-btn-outline {
    background: transparent;
    color: var(--m19-primary);
    border-color: var(--m19-line-strong);
}
.m19-btn-outline:hover {
    background: var(--m19-bg-3);
    border-color: var(--m19-primary);
    color: var(--m19-primary);
}

.m19-btn-ghost {
    background: var(--m19-bg-3);
    color: var(--m19-ink-2);
    border: 1px solid var(--m19-line);
}
.m19-btn-ghost:hover {
    color: var(--m19-primary);
    border-color: var(--m19-primary);
    background: #fff;
}

.m19-btn-danger {
    background: var(--m19-accent);
    color: #fff;
    border-color: var(--m19-accent);
}
.m19-btn-danger:hover { background: var(--m19-accent-d); }

.m19-btn-sm { padding: 7px 13px; font-size: 12px; }
.m19-btn-lg { padding: 14px 26px; font-size: 14px; }
.m19-btn-block { display: flex; width: 100%; justify-content: center; }

/* ───────── Pills ───────── */

.m19-pills-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 18px 0;
    border-top: 1px solid var(--m19-line);
    border-bottom: 1px solid var(--m19-line);
}
.m19-pills-lab {
    font-size: 12px;
    color: var(--m19-ink-3);
    font-weight: 600;
    letter-spacing: 0.02em;
}
.m19-pills-list { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; }
.m19-pill {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid var(--m19-line);
    border-radius: 999px;
    background: var(--m19-card);
    color: var(--m19-ink-2);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: all .2s ease;
}
.m19-pill:hover {
    border-color: var(--m19-primary);
    color: var(--m19-primary);
}
.m19-pill.is-active {
    background: var(--m19-primary);
    color: #fff;
    border-color: var(--m19-primary);
}

/* ───────── Featured product cards ───────── */

.m19-feat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.m19-feat-card {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.m19-feat-card:hover {
    border-color: var(--m19-primary-l);
    transform: translateY(-3px);
    box-shadow: var(--m19-shadow-hover);
}
.m19-feat-img {
    position: relative;
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--m19-bg-3);
    border-bottom: 1px solid var(--m19-line);
}
.m19-feat-img img {
    width: 100%; height: 100%;
    object-fit: contain;
    padding: 11%;
    transition: transform .3s ease;
}
.m19-feat-card:hover .m19-feat-img img { transform: scale(1.04); }
.m19-feat-id {
    position: absolute;
    top: 10px; left: 10px;
    font-family: var(--m19-mono);
    font-size: 10px;
    color: var(--m19-ink-3);
    background: #fff;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    padding: 2px 6px;
    letter-spacing: 0.02em;
    z-index: 2;
}
.m19-feat-flag {
    position: absolute;
    top: 10px; right: 10px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    background: var(--m19-accent);
    padding: 3px 9px;
    letter-spacing: 0.02em;
    border-radius: var(--m19-r);
    z-index: 2;
}

.m19-feat-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}
.m19-feat-title {
    font-family: var(--m19-sans);
    font-weight: 600;
    color: var(--m19-ink);
    font-size: 14px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.9em;
}
.m19-feat-title:hover { color: var(--m19-primary); }

.m19-feat-spec {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 5px 12px;
    border-top: 1px solid var(--m19-line);
    border-bottom: 1px solid var(--m19-line);
    padding: 10px 0;
    font-size: 12px;
}
.m19-feat-spec dt {
    color: var(--m19-ink-3);
    letter-spacing: 0.01em;
}
.m19-feat-spec dd {
    font-family: var(--m19-mono);
    color: var(--m19-ink);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.m19-feat-price {
    display: flex;
    align-items: baseline;
    gap: 3px;
    font-family: var(--m19-mono);
}
.m19-feat-price .cur { font-size: 14px; color: var(--m19-accent); font-weight: 600; }
.m19-feat-price .amt { font-size: 24px; color: var(--m19-accent); font-weight: 600; letter-spacing: 0.01em; }
.m19-feat-price small { font-size: 11px; color: var(--m19-ink-3); letter-spacing: 0.01em; }
.m19-feat-price .muted { color: var(--m19-ink-3); font-size: 14px; font-weight: 500; }

.m19-feat-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ───────── Dense grid ───────── */

.m19-dense-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.m19-dense-card {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.m19-dense-card:hover {
    border-color: var(--m19-primary-l);
    transform: translateY(-2px);
    box-shadow: var(--m19-shadow);
}
.m19-dense-img {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--m19-bg-3);
    border-bottom: 1px solid var(--m19-line);
}
.m19-dense-img img {
    width: 100%; height: 100%;
    object-fit: contain;
    padding: 9%;
}
.m19-dense-id {
    position: absolute;
    top: 6px; left: 6px;
    font-family: var(--m19-mono);
    font-size: 9px;
    color: var(--m19-ink-3);
    background: #fff;
    padding: 1px 5px;
    letter-spacing: 0.02em;
    border: 1px solid var(--m19-line);
    border-radius: 3px;
}
.m19-dense-body {
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.m19-dense-title {
    font-family: var(--m19-sans);
    color: var(--m19-ink);
    font-size: 12px;
    line-height: 1.4;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
}
.m19-dense-meta {
    font-family: var(--m19-mono);
    font-size: 10px;
    color: var(--m19-ink-3);
    letter-spacing: 0.02em;
}
.m19-dense-price {
    font-family: var(--m19-mono);
    font-size: 14px;
    color: var(--m19-accent);
    font-weight: 600;
    letter-spacing: 0.01em;
}
.m19-dense-price .muted { color: var(--m19-ink-3); font-size: 12px; font-weight: 500; }

/* ───────── About card on home ───────── */

.m19-about-card {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 36px;
}
.m19-about-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 32px;
    align-items: start;
}
.m19-about-spec dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 9px 16px;
    font-size: 13px;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    padding: 18px;
    background: var(--m19-bg-3);
}
.m19-about-spec dt { color: var(--m19-ink-3); letter-spacing: 0.01em; }
.m19-about-spec dd { font-family: var(--m19-mono); color: var(--m19-ink); font-weight: 500; }
.m19-stat-on { color: var(--m19-ok) !important; font-weight: 600; }

/* ───────── Prose ───────── */

.m19-prose {
    font-family: var(--m19-sans);
    color: var(--m19-ink-2);
    font-size: 14px;
    line-height: 1.85;
}
.m19-prose p { margin: 0 0 14px; color: var(--m19-ink-2); }
.m19-prose strong { color: var(--m19-ink); font-weight: 600; }
.m19-prose a { color: var(--m19-primary); border-bottom: 1px solid var(--m19-line-strong); }
.m19-prose a:hover { color: var(--m19-accent); border-color: var(--m19-accent); }
.m19-prose h1, .m19-prose h2, .m19-prose h3, .m19-prose h4 {
    font-family: var(--m19-head);
    color: var(--m19-ink);
    margin: 24px 0 12px;
    letter-spacing: 0.005em;
    font-weight: 700;
}
.m19-prose h2 { font-size: 20px; }
.m19-prose h3 { font-size: 17px; }
.m19-prose ul, .m19-prose ol { margin: 0 0 14px 22px; color: var(--m19-ink-2); }
.m19-prose ul { list-style: disc; }
.m19-prose ol { list-style: decimal; }
.m19-prose li { margin-bottom: 6px; }
.m19-prose img { max-width: 100%; height: auto; margin: 14px 0; border: 1px solid var(--m19-line); border-radius: var(--m19-r); }
.m19-prose blockquote {
    border-left: 3px solid var(--m19-accent);
    padding: 4px 14px;
    color: var(--m19-ink-2);
    margin: 14px 0;
    background: var(--m19-bg-3);
}
.m19-prose code {
    font-family: var(--m19-mono);
    background: var(--m19-bg-2);
    padding: 2px 6px;
    border-radius: 3px;
    color: var(--m19-primary);
    font-size: 12px;
}
.m19-prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 14px 0;
    font-size: 13px;
}
.m19-prose th, .m19-prose td {
    border: 1px solid var(--m19-line);
    padding: 8px 12px;
    text-align: left;
}
.m19-prose th {
    background: var(--m19-bg-3);
    color: var(--m19-primary);
    font-family: var(--m19-sans);
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* ───────── CTA Strip ───────── */

.m19-cta-strip {
    position: relative;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    background: linear-gradient(120deg, var(--m19-primary) 0%, var(--m19-primary-l) 100%);
    box-shadow: var(--m19-shadow);
    padding: 30px 36px;
    overflow: hidden;
}
.m19-cta-strip-inner {
    display: grid;
    grid-template-columns: 1.4fr auto auto;
    gap: 28px;
    align-items: center;
}
.m19-cta-strip-text { display: flex; flex-direction: column; gap: 5px; }
.m19-cta-strip-tag {
    font-size: 11px;
    color: #ffd9c2;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 600;
}
.m19-cta-strip-text strong {
    font-family: var(--m19-head);
    font-size: 21px;
    color: #fff;
    letter-spacing: 0.005em;
    font-weight: 700;
}
.m19-cta-strip-text small { font-size: 13px; color: #cfe0f0; letter-spacing: 0.01em; }

.m19-cta-strip-tel {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 22px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}
.m19-cta-strip-tel .lab {
    font-size: 10px;
    color: #ffd9c2;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 600;
}
.m19-cta-strip-tel strong {
    font-family: var(--m19-mono);
    font-size: 23px;
    color: #fff;
    letter-spacing: 0.01em;
    font-weight: 600;
}

.m19-cta-strip-actions { display: flex; flex-direction: column; gap: 8px; }
.m19-cta-strip .m19-btn-outline {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.45);
}
.m19-cta-strip .m19-btn-outline:hover { background: rgba(255, 255, 255, 0.18); }

/* ───────── Crumb ───────── */

.m19-crumb-sec {
    padding: 14px 0;
    border-bottom: 1px solid var(--m19-line);
    background: var(--m19-card);
}
.m19-crumb {
    display: flex;
    align-items: center;
    gap: 9px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--m19-ink-3);
    letter-spacing: 0.01em;
}
.m19-crumb-tag { color: var(--m19-accent); font-weight: 600; }
.m19-crumb a { color: var(--m19-ink-2); }
.m19-crumb a:hover { color: var(--m19-primary); }
.m19-crumb .sep { color: var(--m19-line-strong); }
.m19-crumb .current { color: var(--m19-ink); font-weight: 500; }

/* ───────── Supply layout ───────── */

.m19-supply-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 28px;
    align-items: start;
}
.m19-side {
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: sticky;
    top: 16px;
}
.m19-side-card {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    padding: 20px 18px;
    box-shadow: var(--m19-shadow);
}
.m19-side-card h3 {
    font-family: var(--m19-head);
    font-weight: 700;
    font-size: 15px;
    color: var(--m19-ink);
    letter-spacing: 0.005em;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--m19-line);
}
.m19-side-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-height: 480px;
    overflow-y: auto;
}
.m19-side-list a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 11px;
    color: var(--m19-ink-2);
    font-family: var(--m19-sans);
    font-size: 13px;
    border-radius: var(--m19-r);
    border: 1px solid transparent;
    transition: all .2s ease;
}
.m19-side-list a .num {
    font-family: var(--m19-mono);
    font-size: 10px;
    color: var(--m19-ink-3);
    letter-spacing: 0.02em;
    flex-shrink: 0;
}
.m19-side-list a:hover {
    color: var(--m19-primary);
    background: var(--m19-bg-3);
}
.m19-side-list a:hover .num { color: var(--m19-accent); }
.m19-side-list a.is-active {
    background: var(--m19-primary);
    color: #fff;
    border-color: var(--m19-primary);
}
.m19-side-list a.is-active .num { color: #ffd9c2; }

.m19-side-cta { display: flex; flex-direction: column; gap: 12px; }
.m19-side-cta-note { font-size: 12px; color: var(--m19-ink-2); line-height: 1.6; }
.m19-side-tel {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 14px;
    background: var(--m19-bg-3);
    border: 1px solid var(--m19-line);
    border-left: 3px solid var(--m19-accent);
    border-radius: var(--m19-r);
}
.m19-side-tel .lab {
    font-size: 10px;
    color: var(--m19-accent);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 600;
}
.m19-side-tel strong {
    font-family: var(--m19-mono);
    font-size: 19px;
    color: var(--m19-primary);
    letter-spacing: 0.01em;
    font-weight: 600;
}

.m19-supply-main { min-width: 0; }

/* ───────── Empty / Pager ───────── */

.m19-empty {
    text-align: center;
    padding: 60px 24px;
    border: 1px dashed var(--m19-line-strong);
    border-radius: var(--m19-r-md);
    background: var(--m19-card);
}
.m19-empty-tag {
    font-size: 12px;
    color: var(--m19-ink-3);
    letter-spacing: 0.02em;
    display: inline-block;
    margin-bottom: 10px;
    border: 1px solid var(--m19-line);
    border-radius: 999px;
    padding: 4px 14px;
}
.m19-empty p { color: var(--m19-ink-2); font-size: 14px; }

.m19-pager { margin-top: 36px; display: flex; justify-content: center; }
.m19-pager .pagination,
.m19-pager ul,
.m19-pager ol {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
}
.m19-pager li > a,
.m19-pager li > span,
.m19-pager a,
.m19-pager span.current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    padding: 7px 13px;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    background: var(--m19-card);
    color: var(--m19-ink-2);
    font-family: var(--m19-mono);
    font-size: 12px;
    letter-spacing: 0.01em;
    transition: all .2s ease;
}
.m19-pager a:hover {
    border-color: var(--m19-primary);
    color: var(--m19-primary);
}
.m19-pager .current,
.m19-pager .active a,
.m19-pager .active span {
    background: var(--m19-primary);
    color: #fff;
    border-color: var(--m19-primary);
}
.m19-pager .disabled a,
.m19-pager .disabled span {
    color: var(--m19-ink-3);
    opacity: 0.5;
}

/* ───────── Product detail ───────── */

.m19-prod-frame {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 36px;
}
.m19-prod-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
}
.m19-prod-img-side { display: flex; flex-direction: column; gap: 12px; }
.m19-prod-img-frame {
    position: relative;
    aspect-ratio: 1;
    background: var(--m19-bg-3);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    overflow: hidden;
}
.m19-prod-img-frame img {
    width: 100%; height: 100%;
    object-fit: contain;
    padding: 12%;
    position: relative;
    z-index: 1;
}
.m19-prod-img-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--m19-ink-2);
    letter-spacing: 0.01em;
}
.m19-prod-img-meta .lab { color: var(--m19-ink-3); }
.m19-prod-img-meta .val { color: var(--m19-ink); font-weight: 500; }
.m19-prod-img-meta .sep { color: var(--m19-line-strong); }

.m19-prod-info { min-width: 0; }
.m19-prod-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--m19-mono);
    font-size: 12px;
    color: var(--m19-primary);
    letter-spacing: 0.01em;
    margin-bottom: 12px;
    font-weight: 500;
}
.m19-prod-tag .bar { width: 26px; height: 2px; background: var(--m19-accent); }
.m19-prod-h1 {
    font-family: var(--m19-head);
    font-size: 26px;
    font-weight: 700;
    color: var(--m19-ink);
    line-height: 1.3;
    margin-bottom: 18px;
    letter-spacing: 0.005em;
}

.m19-prod-price-box {
    background: #fff7f1;
    border: 1px solid #ffd9c2;
    border-left: 4px solid var(--m19-accent);
    border-radius: var(--m19-r);
    padding: 18px 20px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.m19-prod-price-box .lab {
    font-size: 11px;
    color: var(--m19-accent-d);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 600;
}
.m19-prod-price {
    display: flex;
    align-items: baseline;
    gap: 3px;
    font-family: var(--m19-mono);
}
.m19-prod-price .cur { font-size: 20px; color: var(--m19-accent); font-weight: 600; }
.m19-prod-price .amt { font-size: 40px; color: var(--m19-accent); letter-spacing: 0.01em; font-weight: 600; }
.m19-prod-price small { font-size: 13px; color: var(--m19-ink-3); letter-spacing: 0.01em; }
.m19-prod-price .muted { font-size: 24px; color: var(--m19-ink-2); font-weight: 500; }
.m19-prod-moq {
    font-size: 12px;
    color: var(--m19-ink-2);
    letter-spacing: 0.01em;
}
.m19-prod-moq strong { color: var(--m19-primary); font-weight: 600; margin-left: 6px; }

.m19-prod-attrs {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0;
    font-size: 13px;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    overflow: hidden;
    margin-bottom: 20px;
}
.m19-prod-attrs dt {
    color: var(--m19-ink-3);
    letter-spacing: 0.01em;
    padding: 10px 14px;
    background: var(--m19-bg-3);
    border-bottom: 1px solid var(--m19-line);
    border-right: 1px solid var(--m19-line);
}
.m19-prod-attrs dd {
    font-family: var(--m19-mono);
    color: var(--m19-ink);
    font-weight: 500;
    padding: 10px 14px;
    border-bottom: 1px solid var(--m19-line);
}
.m19-prod-attrs dt:last-of-type,
.m19-prod-attrs dd:last-of-type { border-bottom: none; }
.m19-prod-attrs dd a { color: var(--m19-primary); }

.m19-prod-cta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.m19-prod-trust { display: flex; gap: 8px; flex-wrap: wrap; }
.m19-prod-trust .m19-trust-pill {
    color: var(--m19-primary);
    background: var(--m19-bg-3);
    border-color: var(--m19-line);
}

.m19-prod-detail { margin-top: 48px; }
.m19-detail-card {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 32px 36px;
}

/* ───────── Information page ───────── */

.m19-info-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    margin-bottom: 32px;
    background: var(--m19-card);
    box-shadow: var(--m19-shadow);
    overflow: hidden;
}
.m19-info-stat {
    padding: 20px 18px;
    border-right: 1px solid var(--m19-line);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.m19-info-stat:last-child { border-right: none; }
.m19-info-stat-num {
    font-family: var(--m19-mono);
    font-size: 25px;
    font-weight: 600;
    color: var(--m19-primary);
    letter-spacing: 0.01em;
    line-height: 1;
}
.m19-info-stat-num.is-on { color: var(--m19-ok); }
.m19-info-stat-lab {
    font-size: 11px;
    color: var(--m19-ink-3);
    letter-spacing: 0.02em;
}

.m19-info-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 28px;
    align-items: start;
}
.m19-info-prose {
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 28px 32px;
    position: relative;
}
.m19-info-side {
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: sticky;
    top: 16px;
}
.m19-info-spec-card {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.m19-info-h {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--m19-line);
}
.m19-info-h-tag {
    width: 26px; height: 26px;
    border-radius: var(--m19-r);
    background: var(--m19-primary);
    color: #fff;
    font-family: var(--m19-mono);
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.m19-info-h h3 {
    font-family: var(--m19-head);
    font-weight: 700;
    font-size: 16px;
    color: var(--m19-ink);
    letter-spacing: 0.005em;
}

.m19-info-spec {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 9px 16px;
    font-size: 13px;
}
.m19-info-spec dt { color: var(--m19-ink-3); letter-spacing: 0.01em; }
.m19-info-spec dd {
    color: var(--m19-ink);
    font-weight: 500;
    word-break: break-word;
}
.m19-info-spec dd a { color: var(--m19-primary); }

/* facility images */
.m19-info-imgs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 24px;
}
.m19-info-img-cell {
    position: relative;
    aspect-ratio: 4 / 3;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    background: var(--m19-bg-3);
    overflow: hidden;
}
.m19-info-img-cell img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .3s ease;
}
.m19-info-img-cell:hover img { transform: scale(1.04); }
.m19-info-img-id {
    position: absolute;
    top: 8px; left: 8px;
    font-family: var(--m19-mono);
    font-size: 10px;
    color: var(--m19-ink-3);
    background: #fff;
    padding: 2px 6px;
    border: 1px solid var(--m19-line);
    border-radius: 3px;
    letter-spacing: 0.02em;
    z-index: 2;
}

/* ───────── Contact ───────── */

.m19-contact-hero {
    position: relative;
    background: linear-gradient(120deg, var(--m19-primary) 0%, var(--m19-primary-l) 100%);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 32px 36px;
    margin-bottom: 32px;
    overflow: hidden;
}
.m19-contact-hero-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 28px;
    align-items: center;
}
.m19-contact-hero-text { display: flex; flex-direction: column; gap: 6px; }
.m19-contact-hero-tag {
    font-size: 11px;
    color: #ffd9c2;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 600;
}
.m19-contact-hero-tel {
    font-family: var(--m19-mono);
    font-size: 42px;
    color: #fff;
    letter-spacing: 0.01em;
    line-height: 1.1;
    font-weight: 600;
}
.m19-contact-hero-text small { font-size: 13px; color: #cfe0f0; letter-spacing: 0.01em; }
.m19-contact-hero .m19-btn-primary { background: var(--m19-accent); border-color: var(--m19-accent); }
.m19-contact-hero .m19-btn-primary:hover { background: var(--m19-accent-d); }

.m19-contact-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 28px;
    align-items: start;
}
.m19-contact-info {
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 28px 32px;
}
.m19-contact-qr {
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 24px;
    text-align: center;
}
.m19-contact-qr-frame {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 12px auto;
    background: #fff;
    padding: 12px;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
}
.m19-contact-qr-frame img { width: 100%; height: 100%; object-fit: contain; }
.m19-contact-qr-empty {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--m19-ink-3);
    letter-spacing: 0.02em;
    background: var(--m19-bg-3);
}
.m19-contact-qr-note {
    margin-top: 8px;
    font-size: 12px;
    color: var(--m19-ink-2);
    letter-spacing: 0.01em;
}

/* ───────── News list ───────── */

.m19-news-list { display: flex; flex-direction: column; gap: 12px; }
.m19-news-item {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    padding: 18px 22px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 18px;
    align-items: center;
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.m19-news-item:hover {
    border-color: var(--m19-primary-l);
    transform: translateX(3px);
    box-shadow: var(--m19-shadow);
}
.m19-news-id {
    font-family: var(--m19-mono);
    font-size: 12px;
    color: var(--m19-accent);
    font-weight: 600;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}
.m19-news-body { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.m19-news-title {
    font-family: var(--m19-sans);
    font-weight: 600;
    font-size: 15px;
    color: var(--m19-ink);
    letter-spacing: 0.005em;
}
.m19-news-title:hover { color: var(--m19-primary); }
.m19-news-summary {
    font-size: 12px;
    color: var(--m19-ink-2);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.m19-news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--m19-mono);
    font-size: 11px;
    color: var(--m19-ink-3);
    letter-spacing: 0.01em;
    flex-shrink: 0;
}
.m19-news-date { color: var(--m19-ink-2); }
.m19-news-view { color: var(--m19-ink-3); }
.m19-news-arrow {
    font-family: var(--m19-sans);
    font-size: 16px;
    color: var(--m19-primary);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r);
    padding: 4px 11px;
    transition: all .2s ease;
}
.m19-news-arrow:hover {
    background: var(--m19-primary);
    color: #fff;
    border-color: var(--m19-primary);
}

/* ───────── News detail ───────── */

.m19-news-detail-frame {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 40px 48px;
}
.m19-news-detail-h {
    border-bottom: 1px solid var(--m19-line);
    padding-bottom: 18px;
    margin-bottom: 24px;
}
.m19-news-detail-tag {
    display: inline-block;
    font-size: 11px;
    color: var(--m19-accent-d);
    letter-spacing: 0.02em;
    border: 1px solid #ffd9c2;
    background: #fff7f1;
    border-radius: 999px;
    padding: 3px 12px;
    margin-bottom: 14px;
    font-weight: 600;
}
.m19-news-detail-h h1 {
    font-family: var(--m19-head);
    font-size: 28px;
    font-weight: 700;
    color: var(--m19-ink);
    line-height: 1.35;
    margin-bottom: 12px;
    letter-spacing: 0.005em;
}
.m19-news-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--m19-ink-3);
    letter-spacing: 0.01em;
}
.m19-news-detail-meta .lab { color: var(--m19-ink-2); font-weight: 500; margin-right: 4px; }
.m19-news-detail-meta .sep { color: var(--m19-line-strong); }

.m19-news-detail-prose { padding: 8px 0 24px; }

.m19-news-detail-foot {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    border-top: 1px solid var(--m19-line);
    padding-top: 20px;
}

/* ───────── Sitemap ───────── */

.m19-sitemap-titleblock {
    position: relative;
    margin-bottom: 24px;
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    background: var(--m19-card);
    box-shadow: var(--m19-shadow);
    display: grid;
    grid-template-columns: repeat(4, 1fr) 2fr;
    overflow: hidden;
}
.m19-sitemap-titleblock .cell {
    padding: 12px 16px;
    border-right: 1px solid var(--m19-line);
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.m19-sitemap-titleblock .cell:last-child { border-right: none; }
.m19-sitemap-titleblock .lab {
    font-size: 10px;
    color: var(--m19-ink-3);
    letter-spacing: 0.02em;
}
.m19-sitemap-titleblock .val {
    font-family: var(--m19-mono);
    font-size: 13px;
    color: var(--m19-primary);
    font-weight: 500;
    letter-spacing: 0.01em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.m19-sitemap-card {
    position: relative;
    background: var(--m19-card);
    border: 1px solid var(--m19-line);
    border-radius: var(--m19-r-md);
    box-shadow: var(--m19-shadow);
    padding: 24px 28px;
    margin-bottom: 18px;
}
.m19-sitemap-h {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--m19-line);
}
.m19-sitemap-h-tag {
    width: 26px; height: 26px;
    border-radius: var(--m19-r);
    background: var(--m19-primary);
    color: #fff;
    font-family: var(--m19-mono);
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.m19-sitemap-h h3 {
    font-family: var(--m19-head);
    font-weight: 700;
    font-size: 16px;
    color: var(--m19-ink);
    letter-spacing: 0.005em;
}
.m19-sitemap-h h3 small {
    font-family: var(--m19-sans);
    font-weight: 400;
    font-size: 12px;
    color: var(--m19-ink-3);
    letter-spacing: 0.01em;
    margin-left: 6px;
}

.m19-sitemap-grid { display: grid; gap: 8px 14px; }
.m19-sitemap-grid-3 { grid-template-columns: repeat(3, 1fr); }
.m19-sitemap-grid-2 { grid-template-columns: repeat(2, 1fr); }
.m19-sitemap-grid li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border: 1px solid transparent;
    border-radius: var(--m19-r);
    transition: all .2s ease;
    min-width: 0;
}
.m19-sitemap-grid li:hover {
    border-color: var(--m19-line);
    background: var(--m19-bg-3);
}
.m19-sitemap-grid li .num {
    font-family: var(--m19-mono);
    font-size: 10px;
    color: var(--m19-ink-3);
    letter-spacing: 0.02em;
    flex-shrink: 0;
}
.m19-sitemap-grid li:hover .num { color: var(--m19-accent); }
.m19-sitemap-grid li a {
    color: var(--m19-ink);
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}
.m19-sitemap-grid li a:hover { color: var(--m19-primary); }

/* ───────── Footer ───────── */

.m19-footer {
    background: var(--m19-primary-d);
    color: #aebfd2;
    padding: 0 0 24px;
    margin-top: 56px;
    position: relative;
}
.m19-footer-divider { display: none; }
.m19-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
    gap: 36px;
    padding: 40px 0 28px;
}
.m19-footer-col h4 {
    font-family: var(--m19-head);
    font-weight: 600;
    font-size: 14px;
    color: #fff;
    letter-spacing: 0.01em;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.m19-footer-col ul { display: flex; flex-direction: column; gap: 7px; }
.m19-footer-col ul li {
    font-size: 13px;
    color: #aebfd2;
    line-height: 1.5;
    display: flex;
    gap: 8px;
    align-items: baseline;
}
.m19-footer-col ul li .lab {
    font-size: 11px;
    color: #7e93ad;
    letter-spacing: 0.02em;
    flex-shrink: 0;
    min-width: 40px;
}
.m19-footer-col ul li a { color: #aebfd2; }
.m19-footer-col ul li a:hover { color: #fff; }

.m19-footer-brand { display: flex; gap: 14px; align-items: flex-start; }
.m19-footer-mark {
    width: 54px;
    height: 54px;
    flex-shrink: 0;
    border-radius: var(--m19-r);
    background: var(--m19-accent);
    color: #fff;
    font-family: var(--m19-head);
    font-weight: 700;
    font-size: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.m19-footer-brand-text { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.m19-footer-brand-text strong {
    font-family: var(--m19-head);
    font-size: 17px;
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.005em;
    line-height: 1.25;
}
.m19-footer-brand-text small {
    font-size: 11px;
    color: #7e93ad;
    letter-spacing: 0.01em;
    line-height: 1.5;
}

.m19-footer-spec dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 7px 14px;
    font-size: 12px;
}
.m19-footer-spec dt { color: #7e93ad; letter-spacing: 0.01em; }
.m19-footer-spec dd { font-family: var(--m19-mono); color: #d4e0ee; font-weight: 500; }

.m19-footer-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 12px;
    color: #7e93ad;
    letter-spacing: 0.01em;
}
.m19-footer-stamp {
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 999px;
    padding: 4px 12px;
    letter-spacing: 0.02em;
}
.m19-footer-copy { color: #aebfd2; flex: 1; text-align: center; }
.m19-footer-codes { display: inline-flex; gap: 8px; align-items: center; }
.m19-footer-codes a { color: #d4e0ee; }
.m19-footer-codes a:hover { color: #fff; }
.m19-footer-codes .sep { color: #7e93ad; }

/* ───────── Responsive ───────── */

@media (max-width: 1024px) {
    .m19-shell { padding: 0 24px; }
    .m19-titleblock-row { grid-template-columns: 1fr auto; gap: 20px; }
    .m19-titleblock-meta { display: none; }
    .m19-hero-grid { grid-template-columns: 1fr; gap: 28px; }
    .m19-hero-h2 .line { font-size: 30px; }
    .m19-hero-titleblock { grid-template-columns: repeat(2, 1fr) 2fr; }
    .m19-hero-titleblock .cell:nth-child(3),
    .m19-hero-titleblock .cell:nth-child(4) { display: none; }
    .m19-feat-grid { grid-template-columns: repeat(2, 1fr); }
    .m19-dense-grid { grid-template-columns: repeat(3, 1fr); }
    .m19-supply-layout,
    .m19-info-grid,
    .m19-contact-grid,
    .m19-about-grid { grid-template-columns: 1fr; }
    .m19-side, .m19-info-side { position: static; }
    .m19-info-stats { grid-template-columns: repeat(2, 1fr); }
    .m19-info-stat:nth-child(2) { border-right: none; }
    .m19-info-stat:nth-child(1), .m19-info-stat:nth-child(2) { border-bottom: 1px solid var(--m19-line); }
    .m19-prod-grid { grid-template-columns: 1fr; }
    .m19-cta-strip-inner { grid-template-columns: 1fr; }
    .m19-cta-strip-tel { border: 1px solid rgba(255, 255, 255, 0.2); border-radius: var(--m19-r); padding: 14px; }
    .m19-footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .m19-info-imgs { grid-template-columns: repeat(2, 1fr); }
    .m19-sitemap-titleblock { grid-template-columns: repeat(2, 1fr); }
    .m19-sitemap-titleblock .cell:nth-child(5) { grid-column: 1 / -1; }
    .m19-sitemap-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .m19-shell { padding: 0 16px; }
    .m19-section { padding: 36px 0; }
    .m19-trust-row { gap: 8px; }
    .m19-trust-meta { width: 100%; }
    .m19-trust-links { width: 100%; }
    .m19-titleblock { padding: 16px 0; }
    .m19-titleblock-row { grid-template-columns: 1fr; gap: 16px; }
    .m19-mast-cta { width: 100%; }
    .m19-brand-name { font-size: 19px; }
    .m19-nav-inner { overflow-x: auto; flex-wrap: nowrap; }
    .m19-nav-inner a { padding: 12px 14px; white-space: nowrap; flex-shrink: 0; }
    .m19-nav-inner a .lbl { font-size: 13px; }
    .m19-section-h { flex-direction: column; align-items: flex-start; gap: 8px; }
    .m19-section-h h2 { font-size: 19px; }
    .m19-hero-frame { padding: 24px; }
    .m19-hero-h2 .line { font-size: 25px; }
    .m19-hero-stats { grid-template-columns: repeat(2, 1fr); }
    .m19-stat-cell:nth-child(2) { border-right: none; }
    .m19-stat-cell:nth-child(1), .m19-stat-cell:nth-child(2) { border-bottom: 1px solid var(--m19-line); }
    .m19-feat-grid { grid-template-columns: 1fr; }
    .m19-dense-grid { grid-template-columns: repeat(2, 1fr); }
    .m19-info-imgs { grid-template-columns: 1fr; }
    .m19-info-stats { grid-template-columns: 1fr; }
    .m19-info-stat { border-right: none !important; border-bottom: 1px solid var(--m19-line); }
    .m19-info-stat:last-child { border-bottom: none; }
    .m19-about-card,
    .m19-prod-frame,
    .m19-detail-card,
    .m19-info-prose,
    .m19-contact-info,
    .m19-news-detail-frame { padding: 22px 20px; }
    .m19-news-detail-frame { padding: 24px 20px; }
    .m19-news-detail-h h1 { font-size: 21px; }
    .m19-prod-h1 { font-size: 21px; }
    .m19-prod-price .amt { font-size: 32px; }
    .m19-contact-hero-tel { font-size: 28px; }
    .m19-contact-hero { padding: 22px 20px; }
    .m19-contact-hero-inner { grid-template-columns: 1fr; }
    .m19-cta-strip { padding: 22px 20px; }
    .m19-news-item { grid-template-columns: 1fr; gap: 8px; }
    .m19-news-meta { justify-content: space-between; }
    .m19-footer-grid { grid-template-columns: 1fr; gap: 22px; padding: 28px 0 20px; }
    .m19-footer-bar { flex-direction: column; gap: 10px; text-align: center; }
    .m19-footer-copy { text-align: center; }
    .m19-sitemap-titleblock { grid-template-columns: 1fr; }
    .m19-sitemap-titleblock .cell { border-right: none; border-bottom: 1px solid var(--m19-line); }
    .m19-sitemap-titleblock .cell:last-child { border-bottom: none; }
    .m19-sitemap-card { padding: 20px 18px; }
    .m19-sitemap-grid-3,
    .m19-sitemap-grid-2 { grid-template-columns: 1fr; }
    .m19-hero-titleblock { grid-template-columns: 1fr 1fr; }
    .m19-hero-titleblock .cell:nth-child(5) { grid-column: 1 / -1; }
}

/* === nav-fill 铺满 === */
.m19-nav-inner{display:flex;width:100%;flex-wrap:nowrap}
.m19-nav-inner>a{flex:1 1 0;min-width:0;text-align:center;justify-content:center;white-space:nowrap}