/* Site 9 — TOKYO night metro: charcoal, ice white, cyan neon */
:root {
  --s9-void: #07080c;
  --s9-ink: #e8edf2;
  --s9-mute: #8b97a6;
  --s9-line: #242a33;
  --s9-panel: #10141a;
  --s9-neon: #3ee0d4;
}

html { height: 100%; }
.s9-body {
  margin: 0;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(900px 380px at 80% -10%, rgba(62, 224, 212, .08), transparent 60%),
    linear-gradient(180deg, #0b0d12 0%, var(--s9-void) 40%);
  color: var(--s9-ink);
  font-family: "Noto Sans TC", "PingFang TC", sans-serif;
}

.s9-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding: 18px 28px;
  background: #0e1116;
  border-bottom: 1px solid var(--s9-line);
}
.s9-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}
.s9-kicker {
  margin: 0;
  writing-mode: vertical-rl;
  font-family: Syne, sans-serif;
  font-size: 10px;
  letter-spacing: .42em;
  color: var(--s9-neon);
  text-transform: uppercase;
  height: 72px;
}
.s9-logo img {
  height: 44px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  filter: invert(1);
  display: block;
}
.s9-shop {
  margin: 0;
  font-family: Syne, sans-serif;
  letter-spacing: .28em;
  font-size: 12px;
}
.s9-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.s9-nav a {
  color: var(--s9-ink);
  text-decoration: none;
  padding: 8px 12px;
  font-size: 13px;
  letter-spacing: .1em;
  border: 1px solid var(--s9-line);
}
.s9-nav a:hover {
  border-color: var(--s9-neon);
  color: var(--s9-neon);
}

.vape-wrap {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: 36px 18px 72px;
  box-sizing: border-box;
  flex: 1 0 auto;
}
.vape-hero {
  padding: 8px 0 32px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--s9-line);
  text-align: left;
}
.vape-hero h1 {
  margin: 0;
  font-family: Syne, "Noto Sans TC", sans-serif;
  font-size: clamp(28px, 4.4vw, 48px);
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.2;
}
.vape-hero p {
  margin: 12px 0 0;
  max-width: 620px;
  color: var(--s9-mute);
  line-height: 1.8;
}

.vape-proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--s9-line);
  border: 1px solid var(--s9-line);
  margin: 0 0 36px;
}
.vape-proof article {
  background: var(--s9-panel);
  padding: 16px 14px;
}
.vape-proof strong {
  display: block;
  font-family: Syne, sans-serif;
  letter-spacing: .14em;
  margin-bottom: 6px;
  color: var(--s9-neon);
  font-size: 12px;
}
.vape-proof span { color: var(--s9-mute); font-size: 13px; }

.vape-wrap h2 {
  font-family: Syne, sans-serif;
  font-weight: 600;
  letter-spacing: .2em;
  font-size: 13px;
  text-align: left;
  margin: 8px 0 16px;
  color: var(--s9-neon);
}

.vape-guide {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin: 0 0 40px;
}
.vape-guide a {
  text-decoration: none;
  color: inherit;
  background: var(--s9-panel);
  border: 1px solid var(--s9-line);
  padding: 0 0 12px;
}
.vape-guide a:hover { border-color: var(--s9-neon); }
.vape-guide img,
.vape-grid img,
.vape-sku-card img,
.vape-pdp-cover img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  filter: saturate(.78) contrast(1.08);
}
.vape-guide strong,
.vape-guide small {
  display: block;
  padding: 8px 10px 0;
}
.vape-guide small { color: var(--s9-mute); font-size: 12px; }

.vape-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
}
.vape-card {
  text-decoration: none;
  color: inherit;
  background: var(--s9-panel);
  border: 1px solid var(--s9-line);
  display: block;
}
.vape-card:hover { border-color: var(--s9-neon); }
.vape-card span {
  display: block;
  padding: 8px 10px 0;
  font-size: 14px;
}
.vape-card span:last-child {
  padding-bottom: 12px;
  color: var(--s9-neon);
  font-family: Syne, sans-serif;
  letter-spacing: .04em;
}

.vape-pdp {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 36px;
  align-items: start;
}
.vape-pdp-cover {
  background: #000;
  border: 1px solid var(--s9-line);
}
.vape-pdp h1 {
  font-family: Syne, "Noto Sans TC", sans-serif;
  font-weight: 700;
  font-size: 26px;
  line-height: 1.35;
  margin: 8px 0 12px;
}
.vape-pdp a { color: var(--s9-neon); text-decoration: none; }
.vape-price {
  font-family: Syne, sans-serif;
  font-size: 28px;
  color: var(--s9-neon);
  margin: 0 0 12px;
}
.vape-rich p { line-height: 1.85; color: #c5ced6; }
.vape-spec-list {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 20px;
}
.vape-spec-list th,
.vape-spec-list td {
  border-bottom: 1px solid var(--s9-line);
  padding: 9px 0;
  text-align: left;
}
.vape-spec-list th {
  width: 34%;
  color: var(--s9-mute);
  font-weight: 500;
}
.vape-buy-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.vape-btn-cart,
.vape-btn-buy {
  min-width: 148px;
  height: 46px;
  border: 1px solid var(--s9-ink);
  cursor: pointer;
  font-family: inherit;
  letter-spacing: .12em;
}
.vape-btn-cart { background: transparent; color: var(--s9-ink); }
.vape-btn-buy { background: var(--s9-neon); color: #07110f; border-color: var(--s9-neon); }

.vape-sku-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
}
.vape-sku-card {
  background: var(--s9-panel);
  border: 1px solid var(--s9-line);
  font-size: 12px;
  text-align: center;
}
.vape-sku-card span { display: block; padding: 6px; }

.vape-faq h1 { font-family: Syne, sans-serif; }
.vape-faq p { color: #c5ced6; line-height: 1.8; }

.s9-foot {
  background: #050608;
  color: #9aa6b2;
  padding: 32px 28px 38px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--s9-line);
  width: 100%;
  box-sizing: border-box;
  margin-top: auto;
  flex-shrink: 0;
}
.s9-foot strong {
  font-family: Syne, sans-serif;
  letter-spacing: .28em;
  color: #fff;
  display: block;
  margin-bottom: 8px;
}
.s9-foot p { margin: 6px 0; font-size: 14px; }
.s9-foot a {
  color: var(--s9-neon);
  text-decoration: none;
  margin-right: 14px;
}

@media (max-width: 900px) {
  .s9-kicker { writing-mode: horizontal-tb; height: auto; }
  .vape-pdp { grid-template-columns: 1fr; }
  .vape-guide, .vape-proof { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 575px) {
  .vape-guide, .vape-grid { grid-template-columns: 1fr 1fr; }
  .vape-proof { grid-template-columns: 1fr; }
  .s9-logo img { height: 36px; }
}