/* ============================================================
 * 合胜百 (Heshengbai) — Industrial Refined Theme
 * 工业润滑 B2B · 钢蓝 / 信号红 / 黄铜 · 编辑式排版
 * Scope: all rules namespaced under .hsb-body to prevent leakage
 * ============================================================ */

/* ---------- Tokens ---------- */
.hsb-body {
  /* palette */
  --hsb-ink:        #0a1f3a;   /* steel ink — primary nav/footer */
  --hsb-ink-2:      #122c4d;   /* slightly lifted */
  --hsb-ink-soft:   #1f3a5c;
  --hsb-paper:      #f5f3ed;   /* warm off-white */
  --hsb-paper-2:    #ebe7dd;   /* deeper paper */
  --hsb-line:       #1a1a1a;   /* hairline rule */
  --hsb-line-soft:  #d8d3c6;
  --hsb-text:       #181818;
  --hsb-muted:      #6b6b6b;
  --hsb-signal:     #d4351c;   /* industrial signal red */
  --hsb-signal-2:   #b3260f;
  --hsb-brass:      #c9a961;   /* premium brass accent */
  --hsb-brass-2:    #a3873f;
  --hsb-white:      #ffffff;

  /* type scale */
  --hsb-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', Georgia, serif;
  --hsb-sans:  -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --hsb-mono:  'JetBrains Mono', 'SF Mono', 'Menlo', 'Consolas', monospace;
  --hsb-display: 'Oswald', 'Bebas Neue', 'Barlow Condensed', var(--hsb-sans);

  /* layout */
  --hsb-max: 1240px;
  --hsb-gutter: 28px;

  /* effects */
  --hsb-shadow-sm: 0 1px 0 rgba(10,31,58,.06);
  --hsb-shadow-md: 0 12px 32px -16px rgba(10,31,58,.25);
  --hsb-shadow-lg: 0 28px 60px -28px rgba(10,31,58,.45);

  background: var(--hsb-paper);
  color: var(--hsb-text);
  font-family: var(--hsb-sans);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.hsb-body * { box-sizing: border-box; }
.hsb-body img { max-width: 100%; display: block; }
.hsb-body a { color: inherit; text-decoration: none; }
.hsb-body button { font: inherit; }

.hsb-body main { display: block; min-height: 60vh; }

.hsb-container {
  max-width: var(--hsb-max);
  margin: 0 auto;
  padding: 0 var(--hsb-gutter);
}

/* ---------- Type primitives ---------- */
.hsb-eyebrow {
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--hsb-brass-2);
  font-weight: 600;
  margin: 0;
}
.hsb-serial {
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--hsb-muted);
}
.hsb-display {
  font-family: var(--hsb-serif);
  font-weight: 700;
  letter-spacing: -.005em;
  color: var(--hsb-ink);
  line-height: 1.15;
  margin: 0;
}
.hsb-rule {
  height: 1px;
  background: var(--hsb-line);
  border: 0;
  margin: 0;
}
.hsb-rule--brass { background: var(--hsb-brass); }
.hsb-rule--soft  { background: var(--hsb-line-soft); }

/* ============================================================
 * TOP INFO BAR
 * ============================================================ */
.hsb-topbar {
  background: var(--hsb-ink);
  color: rgba(255,255,255,.78);
  font-size: 12px;
  letter-spacing: .04em;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.hsb-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;
  gap: 24px;
}
.hsb-topbar__left,
.hsb-topbar__right {
  display: flex;
  align-items: center;
  gap: 22px;
}
.hsb-topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.hsb-topbar__item--brand {
  color: var(--hsb-brass);
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.hsb-topbar__icon {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
}
.hsb-topbar a { color: inherit; transition: color .2s ease; }
.hsb-topbar a:hover { color: var(--hsb-white); }
.hsb-topbar__phone {
  font-family: var(--hsb-mono);
  letter-spacing: .05em;
  color: var(--hsb-white);
}

/* ============================================================
 * HEADER · MAIN NAV
 * ============================================================ */
.hsb-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--hsb-ink-2);
  color: var(--hsb-white);
  border-bottom: 3px solid var(--hsb-brass);
}
.hsb-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 32px;
}
.hsb-logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--hsb-white);
  flex-shrink: 0;
}
.hsb-logo__mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--hsb-signal);
  color: #fff;
  font-family: var(--hsb-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.02em;
  position: relative;
}
.hsb-logo__mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(255,255,255,.4);
  pointer-events: none;
}
.hsb-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.hsb-logo__name {
  font-family: var(--hsb-serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .04em;
}
.hsb-logo__tag {
  font-family: var(--hsb-mono);
  font-size: 10px;
  letter-spacing: .26em;
  color: var(--hsb-brass);
  margin-top: 6px;
  text-transform: uppercase;
}
.hsb-logo img {
  max-height: 48px;
  width: auto;
  display: block;
}

/* nav */
.hsb-nav {
  display: flex;
  align-items: stretch;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  height: 100%;
}
.hsb-nav__item { display: flex; }
.hsb-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  height: 100%;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: .04em;
  color: rgba(255,255,255,.84);
  transition: color .2s ease, background .2s ease;
}
.hsb-nav__link::before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 22px;
  height: 2px;
  background: var(--hsb-brass);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .35s cubic-bezier(.22,.61,.36,1);
}
.hsb-nav__link:hover { color: var(--hsb-white); }
.hsb-nav__link:hover::before { transform: scaleX(1); }
.hsb-nav__link.is-active {
  color: var(--hsb-white);
  background: rgba(255,255,255,.04);
}
.hsb-nav__link.is-active::before { transform: scaleX(1); }

.hsb-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
  padding: 0 22px;
  height: 44px;
  background: var(--hsb-signal);
  color: #fff !important;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .08em;
  align-self: center;
  transition: background .25s ease, transform .2s ease;
}
.hsb-nav__cta:hover {
  background: var(--hsb-signal-2);
  transform: translateY(-1px);
}
.hsb-nav__cta::after {
  content: "→";
  font-family: var(--hsb-mono);
}

/* mobile toggle */
.hsb-burger {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.hsb-burger span,
.hsb-burger span::before,
.hsb-burger span::after {
  position: absolute;
  left: 50%;
  display: block;
  width: 18px;
  height: 1.5px;
  background: #fff;
  transform: translateX(-50%);
  transition: transform .25s ease, top .25s ease;
}
.hsb-burger span { top: 50%; }
.hsb-burger span::before { content: ""; top: -6px; }
.hsb-burger span::after  { content: ""; top: 6px; }

/* ============================================================
 * HERO / BANNER
 * ============================================================ */
.hsb-hero {
  position: relative;
  background: var(--hsb-ink);
  color: #fff;
  overflow: hidden;
}
.hsb-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(10,31,58,.55) 0%, rgba(10,31,58,.85) 100%),
    radial-gradient(1200px 600px at 80% -10%, rgba(212,53,28,.18), transparent 60%),
    radial-gradient(900px 500px at 0% 110%, rgba(201,169,97,.10), transparent 60%);
  pointer-events: none;
}
.hsb-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 80px);
  pointer-events: none;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}
.hsb-hero__inner {
  position: relative;
  z-index: 2;
  padding: 96px 0 120px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: end;
}
.hsb-hero__meta {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 32px;
}
.hsb-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: rgba(212,53,28,.16);
  border: 1px solid rgba(212,53,28,.5);
  color: #ffb4a6;
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.hsb-hero__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--hsb-signal);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--hsb-signal);
  animation: hsb-pulse 1.6s ease-in-out infinite;
}
@keyframes hsb-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .55; transform: scale(.85); }
}
.hsb-hero__serial {
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
}
.hsb-hero__title {
  font-family: var(--hsb-serif);
  font-weight: 700;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: -.01em;
  color: #fff;
  margin: 0 0 28px;
}
.hsb-hero__title em {
  font-style: normal;
  color: var(--hsb-brass);
  font-family: var(--hsb-display);
  letter-spacing: .04em;
  text-transform: uppercase;
  display: inline-block;
  position: relative;
  padding: 0 .12em;
}
.hsb-hero__title em::before {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: .08em;
  height: .35em;
  background: rgba(212,53,28,.25);
  z-index: -1;
}
.hsb-hero__lead {
  max-width: 520px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255,255,255,.78);
  margin: 0 0 36px;
}
.hsb-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.hsb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 52px;
  padding: 0 28px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-family: var(--hsb-display);
  cursor: pointer;
  transition: transform .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
  border: 1px solid transparent;
}
.hsb-btn--primary {
  background: var(--hsb-signal);
  color: #fff;
}
.hsb-btn--primary:hover {
  background: var(--hsb-signal-2);
  transform: translateY(-2px);
}
.hsb-btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.4);
}
.hsb-btn--ghost:hover {
  border-color: var(--hsb-brass);
  color: var(--hsb-brass);
}
.hsb-btn--outline {
  background: transparent;
  color: var(--hsb-ink);
  border-color: var(--hsb-ink);
}
.hsb-btn--outline:hover {
  background: var(--hsb-ink);
  color: #fff;
}
.hsb-btn__arrow { font-family: var(--hsb-mono); transition: transform .25s ease; }
.hsb-btn:hover .hsb-btn__arrow { transform: translateX(4px); }

/* hero side panel — KPI / spec sheet */
.hsb-hero__sheet {
  position: relative;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  padding: 32px;
  backdrop-filter: blur(2px);
}
.hsb-hero__sheet::before,
.hsb-hero__sheet::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--hsb-brass);
}
.hsb-hero__sheet::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.hsb-hero__sheet::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.hsb-hero__sheet-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
}
.hsb-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 28px;
}
.hsb-stat__num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: #fff;
  font-family: var(--hsb-display);
  font-weight: 700;
  font-size: 38px;
  letter-spacing: -.01em;
}
.hsb-stat__suffix {
  font-size: 16px;
  color: var(--hsb-brass);
  font-family: var(--hsb-mono);
  font-weight: 500;
}
.hsb-stat__label {
  font-size: 12px;
  color: rgba(255,255,255,.6);
  letter-spacing: .08em;
  margin-top: 4px;
}

/* ============================================================
 * SECTION FRAME · shared
 * ============================================================ */
.hsb-section {
  padding: 96px 0;
  position: relative;
}
.hsb-section--alt { background: var(--hsb-paper-2); }
.hsb-section--ink { background: var(--hsb-ink); color: #fff; }
.hsb-section--ink .hsb-section__title { color: #fff; }
.hsb-section--ink .hsb-section__lead { color: rgba(255,255,255,.7); }

.hsb-section__head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 32px;
  margin-bottom: 56px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hsb-line);
  position: relative;
}
.hsb-section--ink .hsb-section__head { border-bottom-color: rgba(255,255,255,.16); }
.hsb-section__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 80px;
  height: 3px;
  background: var(--hsb-signal);
}
.hsb-section__index {
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--hsb-muted);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hsb-section__index::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--hsb-brass);
}
.hsb-section__title {
  font-family: var(--hsb-serif);
  font-weight: 700;
  font-size: clamp(30px, 3.4vw, 46px);
  line-height: 1.15;
  color: var(--hsb-ink);
  margin: 0;
}
.hsb-section__title em {
  font-style: normal;
  font-family: var(--hsb-display);
  font-weight: 700;
  font-size: .55em;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--hsb-brass-2);
  display: block;
  margin-top: 12px;
}
.hsb-section__lead {
  max-width: 480px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--hsb-muted);
  margin: 0;
  text-align: right;
}

/* ============================================================
 * PRODUCT CATEGORIES · 8-card grid
 * ============================================================ */
.hsb-cats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--hsb-line);
  border-left: 1px solid var(--hsb-line);
}
.hsb-cat {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px 28px 28px;
  min-height: 220px;
  background: var(--hsb-white);
  border-right: 1px solid var(--hsb-line);
  border-bottom: 1px solid var(--hsb-line);
  transition: background .25s ease, transform .25s ease;
  overflow: hidden;
}
.hsb-cat::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--hsb-ink);
  transform: translateY(100%);
  transition: transform .45s cubic-bezier(.22,.61,.36,1);
  z-index: 0;
}
.hsb-cat > * { position: relative; z-index: 1; }
.hsb-cat:hover::before { transform: translateY(0); }
.hsb-cat:hover { color: #fff; }
.hsb-cat:hover .hsb-cat__num { color: var(--hsb-brass); border-color: var(--hsb-brass); }
.hsb-cat:hover .hsb-cat__name { color: #fff; }
.hsb-cat:hover .hsb-cat__en { color: rgba(255,255,255,.6); }
.hsb-cat:hover .hsb-cat__arrow { color: var(--hsb-signal); }

.hsb-cat__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--hsb-line);
  font-family: var(--hsb-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--hsb-ink);
  align-self: flex-start;
  transition: color .25s ease, border-color .25s ease;
}
.hsb-cat__name {
  font-family: var(--hsb-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--hsb-ink);
  margin: 24px 0 6px;
  letter-spacing: .02em;
  transition: color .25s ease;
}
.hsb-cat__en {
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--hsb-muted);
  text-transform: uppercase;
  transition: color .25s ease;
}
.hsb-cat__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
}
.hsb-cat__cta {
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--hsb-muted);
  transition: color .25s ease;
}
.hsb-cat:hover .hsb-cat__cta { color: rgba(255,255,255,.7); }
.hsb-cat__arrow {
  font-family: var(--hsb-mono);
  font-size: 18px;
  color: var(--hsb-ink);
  transition: color .25s ease, transform .3s ease;
}
.hsb-cat:hover .hsb-cat__arrow { transform: translateX(6px); }

/* ============================================================
 * PRODUCT GRID · 3-col cards
 * ============================================================ */
.hsb-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.hsb-product {
  position: relative;
  background: #fff;
  border: 1px solid var(--hsb-line-soft);
  transition: border-color .25s ease, transform .35s ease, box-shadow .35s ease;
  display: flex;
  flex-direction: column;
}
.hsb-product:hover {
  border-color: var(--hsb-ink);
  transform: translateY(-4px);
  box-shadow: var(--hsb-shadow-md);
}
.hsb-product__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--hsb-paper);
  overflow: hidden;
}
.hsb-product__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 22px;
  transition: transform .55s cubic-bezier(.22,.61,.36,1);
}
.hsb-product:hover .hsb-product__media img { transform: scale(1.06); }
.hsb-product__media::before,
.hsb-product__media::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--hsb-brass);
  opacity: 0;
  transition: opacity .3s ease;
}
.hsb-product__media::before { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.hsb-product__media::after  { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }
.hsb-product:hover .hsb-product__media::before,
.hsb-product:hover .hsb-product__media::after { opacity: 1; }

.hsb-product__sku {
  position: absolute;
  top: 14px;
  right: 14px;
  font-family: var(--hsb-mono);
  font-size: 10px;
  letter-spacing: .15em;
  color: var(--hsb-muted);
  background: rgba(255,255,255,.85);
  padding: 4px 8px;
  border: 1px solid var(--hsb-line-soft);
}
.hsb-product__body {
  padding: 22px 22px 24px;
  border-top: 1px solid var(--hsb-line-soft);
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.hsb-product__name {
  font-family: var(--hsb-serif);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--hsb-ink);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hsb-product__brief {
  font-size: 13px;
  color: var(--hsb-muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hsb-product__cta {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px dashed var(--hsb-line-soft);
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--hsb-ink);
}
.hsb-product__cta-arrow { transition: transform .3s ease; }
.hsb-product:hover .hsb-product__cta-arrow { transform: translateX(6px); color: var(--hsb-signal); }

/* ============================================================
 * NEWS LIST
 * ============================================================ */
.hsb-news {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--hsb-line-soft);
}
.hsb-news__item {
  border-bottom: 1px solid var(--hsb-line-soft);
  border-right: 1px solid var(--hsb-line-soft);
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #fff;
  transition: background .25s ease;
  position: relative;
}
.hsb-news__item:nth-child(3n) { border-right: 0; }
.hsb-news__item:hover { background: var(--hsb-paper); }
.hsb-news__item:hover .hsb-news__title { color: var(--hsb-signal); }
.hsb-news__date {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--hsb-mono);
  font-size: 11px;
  color: var(--hsb-muted);
  letter-spacing: .15em;
}
.hsb-news__date strong {
  font-family: var(--hsb-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--hsb-ink);
  letter-spacing: -.02em;
}
.hsb-news__title {
  font-family: var(--hsb-serif);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--hsb-ink);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .25s ease;
}
.hsb-news__excerpt {
  font-size: 13.5px;
  color: var(--hsb-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}
.hsb-news__more {
  margin-top: auto;
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--hsb-ink);
  text-transform: uppercase;
}

/* ============================================================
 * FOOTER · 4-column
 * ============================================================ */
.hsb-footer {
  background: var(--hsb-ink);
  color: rgba(255,255,255,.7);
  padding: 80px 0 0;
  position: relative;
  margin-top: 48px;
}
.hsb-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--hsb-signal) 0%, var(--hsb-brass) 100%);
}
.hsb-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.hsb-footer__brand { display: flex; flex-direction: column; gap: 18px; }
.hsb-footer__brand .hsb-logo__name { color: #fff; }
.hsb-footer__intro {
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(255,255,255,.65);
  margin: 0;
  max-width: 360px;
}
.hsb-footer__col h4 {
  margin: 0 0 22px;
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--hsb-brass);
  font-weight: 600;
  position: relative;
  padding-bottom: 14px;
}
.hsb-footer__col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 1px;
  background: var(--hsb-brass);
}
.hsb-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hsb-footer__col a {
  color: rgba(255,255,255,.7);
  font-size: 13.5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .2s ease, transform .2s ease;
}
.hsb-footer__col a:hover { color: #fff; transform: translateX(4px); }
.hsb-footer__col a::before {
  content: "—";
  font-family: var(--hsb-mono);
  color: var(--hsb-brass);
  opacity: .6;
}

.hsb-footer__contact-line {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 18px;
  font-size: 13.5px;
}
.hsb-footer__contact-line span:first-child {
  font-family: var(--hsb-mono);
  font-size: 10px;
  letter-spacing: .22em;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
}
.hsb-footer__contact-line strong {
  color: #fff;
  font-weight: 500;
  font-family: var(--hsb-mono);
  font-size: 15px;
  letter-spacing: .02em;
}
.hsb-footer__contact-line a { color: #fff; }
.hsb-footer__contact-line a:hover { color: var(--hsb-brass); }

.hsb-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 28px;
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(255,255,255,.45);
  flex-wrap: wrap;
  gap: 12px;
}
.hsb-footer__bottom a { color: rgba(255,255,255,.55); }
.hsb-footer__bottom a:hover { color: var(--hsb-brass); }
.hsb-footer__copyright { font-family: var(--hsb-mono); }

/* ============================================================
 * Inner page two-column
 * ============================================================ */
.hsb-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  padding: 56px 0 96px;
}
.hsb-side {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.hsb-side__card {
  background: #fff;
  border: 1px solid var(--hsb-line-soft);
  padding: 24px;
}
.hsb-side__card h4 {
  margin: 0 0 16px;
  font-family: var(--hsb-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--hsb-ink);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hsb-line);
}
.hsb-side__card ul { list-style: none; margin: 0; padding: 0; }
.hsb-side__card li a {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  color: var(--hsb-text);
  font-size: 13.5px;
  border-bottom: 1px dashed var(--hsb-line-soft);
  transition: color .2s ease, padding-left .2s ease;
}
.hsb-side__card li a:hover {
  color: var(--hsb-signal);
  padding-left: 6px;
}

/* ============================================================
 * Responsive
 * ============================================================ */
@media (max-width: 1100px) {
  .hsb-hero__inner { grid-template-columns: 1fr; gap: 40px; padding: 80px 0 96px; }
  .hsb-cats { grid-template-columns: repeat(2, 1fr); }
  .hsb-products { grid-template-columns: repeat(2, 1fr); }
  .hsb-news { grid-template-columns: repeat(2, 1fr); }
  .hsb-news__item:nth-child(3n) { border-right: 1px solid var(--hsb-line-soft); }
  .hsb-news__item:nth-child(2n) { border-right: 0; }
  .hsb-footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .hsb-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .hsb-body { font-size: 14px; }
  .hsb-section { padding: 64px 0; }
  .hsb-section__head {
    grid-template-columns: 1fr;
    margin-bottom: 36px;
  }
  .hsb-section__lead { text-align: left; }
  .hsb-topbar__left .hsb-topbar__item:not(.hsb-topbar__item--brand) { display: none; }
  .hsb-topbar__right .hsb-topbar__item:not(.hsb-topbar__phone-wrap) { display: none; }
  .hsb-header__inner { height: 68px; }
  .hsb-logo__mark { width: 38px; height: 38px; font-size: 18px; }
  .hsb-logo__name { font-size: 18px; }
  .hsb-logo__tag { font-size: 9px; }
  .hsb-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--hsb-ink); flex-direction: column; align-items: stretch; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.08); }
  .hsb-nav.is-open { display: flex; }
  .hsb-nav__link { padding: 14px 24px; height: auto; }
  .hsb-nav__link::before { display: none; }
  .hsb-nav__cta { margin: 12px 24px 8px; }
  .hsb-burger { display: inline-flex; align-items: center; justify-content: center; }
  .hsb-hero__inner { padding: 60px 0 80px; }
  .hsb-hero__title { font-size: clamp(34px, 9vw, 50px); }
  .hsb-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .hsb-stat__num { font-size: 30px; }
  .hsb-cats { grid-template-columns: 1fr; }
  .hsb-products { grid-template-columns: 1fr; }
  .hsb-news { grid-template-columns: 1fr; }
  .hsb-news__item { border-right: 0 !important; }
  .hsb-footer__grid { grid-template-columns: 1fr; gap: 36px; padding-bottom: 40px; }
  .hsb-footer__bottom { flex-direction: column; align-items: flex-start; }
}