/* Site 15 — lab formulary: white, crimson hairline, product list rows */
:root {
  --s15-ink: #161616;
  --s15-mute: #6b6b6b;
  --s15-line: #e4e4e4;
  --s15-paper: #ffffff;
  --s15-wash: #f3f3f3;
  --s15-mark: #9b1c2c;
}

html { height: 100%; }
.s15-body {
  margin: 0;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--s15-wash);
  color: var(--s15-ink);
  font-family: "Outfit", "Noto Sans TC", sans-serif;
}

.s15-head {
  background: var(--s15-paper);
  border-bottom: 1px solid var(--s15-line);
  padding: 22px 16px 0;
  text-align: center;
}
.s15-logo img {
  height: 92px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}
.s15-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--s15-line);
}
.s15-nav a {
  color: inherit;
  text-decoration: none;
  padding: 12px 16px;
  font-size: 13px;
  border-left: 1px solid var(--s15-line);
}
.s15-nav a:first-child { border-left: 0; }
.s15-nav a:hover { color: var(--s15-mark); }

.vape-wrap {
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  padding: 36px 18px 72px;
  box-sizing: border-box;
  flex: 1 0 auto;
}

.s15-hero {
  background: var(--s15-paper);
  padding: 32px 28px;
  margin-bottom: 22px;
  border-left: 4px solid var(--s15-mark);
}
.s15-hero h1 {
  margin: 0;
  font-weight: 500;
  font-size: clamp(26px, 4.2vw, 40px);
  letter-spacing: -.03em;
  line-height: 1.2;
}
.s15-hero p {
  margin: 12px 0 0;
  color: var(--s15-mute);
  line-height: 1.75;
  max-width: 520px;
}

.s15-formulas {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 28px;
}
.s15-formulas a {
  background: var(--s15-paper);
  text-decoration: none;
  color: inherit;
  text-align: center;
  padding: 18px 8px 14px;
  border: 1px solid var(--s15-line);
}
.s15-formulas b {
  display: block;
  width: 36px;
  height: 36px;
  margin: 0 auto 8px;
  border: 1px solid var(--s15-ink);
  border-radius: 50%;
  line-height: 34px;
  font-size: 13px;
  font-weight: 500;
}
.s15-formulas span { font-size: 13px; }
.s15-formulas a:hover b { background: var(--s15-mark); color: #fff; border-color: var(--s15-mark); }

.vape-hero {
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--s15-line);
}
.vape-hero h1 {
  margin: 0;
  font-weight: 500;
  font-size: 26px;
}
.vape-hero p { margin: 8px 0 0; color: var(--s15-mute); }

.vape-proof, .vape-guide { display: none; }

.vape-wrap > h2,
.s15-feat h2 {
  font-size: 12px;
  letter-spacing: .2em;
  font-weight: 500;
  color: var(--s15-mark);
  margin: 0 0 12px;
}

.vape-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.vape-card {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 14px;
  align-items: center;
  text-decoration: none;
  color: inherit;
  background: var(--s15-paper);
  border: 1px solid var(--s15-line);
  padding: 8px 12px 8px 8px;
}
.vape-card img {
  grid-row: 1 / span 2;
  width: 92px;
  height: 92px;
  object-fit: cover;
  display: block;
  background: var(--s15-wash);
}
.vape-card span:nth-of-type(1) {
  font-size: 15px;
  line-height: 1.4;
}
.vape-card span:nth-of-type(2) {
  color: var(--s15-mute);
  font-size: 13px;
  justify-self: end;
  grid-column: 3;
  grid-row: 1 / span 2;
}
.vape-pdp-cover img,
.vape-sku-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.vape-pdp {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 28px;
  align-items: start;
}
.vape-pdp-cover { background: var(--s15-paper); border: 1px solid var(--s15-line); }
.vape-pdp h1 {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.4;
  margin: 6px 0 12px;
}
.vape-price {
  color: var(--s15-mark);
  font-size: 20px;
  margin: 0 0 14px;
}
.vape-rich p { line-height: 1.85; color: #333; }
.vape-spec-list { width: 100%; border-collapse: collapse; margin: 12px 0 16px; }
.vape-spec-list th, .vape-spec-list td {
  border-bottom: 1px solid var(--s15-line);
  padding: 8px 0;
  text-align: left;
  font-size: 14px;
}
.vape-spec-list th { width: 32%; color: var(--s15-mute); font-weight: 400; }
.vape-buy-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.vape-btn-cart, .vape-btn-buy {
  min-width: 132px;
  height: 42px;
  border: 1px solid var(--s15-ink);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  background: transparent;
}
.vape-btn-buy { background: var(--s15-mark); color: #fff; border-color: var(--s15-mark); }

.vape-sku-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 8px;
}
.vape-sku-card {
  background: var(--s15-paper);
  border: 1px solid var(--s15-line);
  font-size: 11px;
  text-align: center;
}
.vape-sku-card span { display: block; padding: 6px; }

.vape-faq p { line-height: 1.85; }

.s15-foot {
  background: var(--s15-paper);
  border-top: 1px solid var(--s15-line);
  padding: 28px 18px 36px;
  text-align: center;
  font-size: 13px;
  color: var(--s15-mute);
  margin-top: auto;
  flex-shrink: 0;
}
.s15-foot strong {
  display: block;
  color: var(--s15-ink);
  letter-spacing: .08em;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 18px;
}
.s15-foot a {
  color: var(--s15-ink);
  text-decoration: none;
  margin: 0 10px;
}

@media (max-width: 720px) {
  .s15-formulas { grid-template-columns: 1fr 1fr; }
  .vape-pdp { grid-template-columns: 1fr; }
  .vape-card { grid-template-columns: 72px 1fr; }
  .vape-card img { width: 72px; height: 72px; }
  .vape-card span:nth-of-type(2) { grid-column: 2; grid-row: 2; justify-self: start; }
}