/* ==========================================================================
   KinRidge — Components
   Header, footer, buttons, cards, hero, accordion, product page, etc.
   ========================================================================== */

/* Buttons
   ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 14px 22px;
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-ink);
  background: transparent;
  border: 1px solid var(--c-ink);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              opacity var(--t-fast) var(--ease);
  white-space: nowrap;
}
.btn:hover { background: var(--c-ink); color: var(--c-paper); opacity: 1; }

.btn--accent {
  background: var(--c-accent);
  color: var(--c-paper);
  border-color: var(--c-accent);
}
.btn--accent:hover {
  background: var(--c-ink);
  border-color: var(--c-ink);
}

.btn--ghost {
  border-color: transparent;
  padding-inline: 4px;
}
.btn--ghost:hover { background: transparent; color: var(--c-accent); }

.btn--link {
  border: 0;
  padding: 0;
  border-radius: 0;
  letter-spacing: 0.2em;
  border-bottom: 1px solid var(--c-ink);
  padding-bottom: 4px;
}
.btn--link:hover {
  background: transparent;
  color: var(--c-accent);
  border-color: var(--c-accent);
  opacity: 1;
}

.btn--sm { padding: 10px 16px; font-size: 11px; }

.btn[aria-disabled="true"],
.btn.is-disabled {
  pointer-events: none;
  opacity: 0.4;
}

/* Icon arrow after buttons */
.btn .arrow {
  display: inline-block;
  width: 14px;
  height: 10px;
  position: relative;
  transition: transform var(--t-fast) var(--ease);
}
.btn:hover .arrow { transform: translateX(4px); }

.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* Header
   ---------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(247, 245, 239, 0.88);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--c-line); }

.site-header__inner {
  height: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--sp-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.18em;
  font-size: 14px;
  color: var(--c-ink);
}
.brand__mark {
  width: 40px;
  height: auto;
  color: var(--c-ink);
}
.brand__name { white-space: nowrap; }

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(var(--sp-4), 2.5vw, var(--sp-6));
}
.nav__link {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  position: relative;
  padding: 6px 0;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--c-ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-fast) var(--ease);
}
.nav__link:hover { opacity: 1; color: var(--c-ink); }
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); }

.nav-secondary {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  color: var(--c-ink);
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease);
}
.icon-btn:hover { background: var(--c-paper-2); opacity: 1; }
.icon-btn svg { width: 18px; height: 18px; }

.lang {
  position: relative;
}
.lang__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 999px;
  color: var(--c-ink);
  transition: background var(--t-fast) var(--ease);
}
.lang__btn:hover { background: var(--c-paper-2); }
.lang__btn svg { width: 10px; height: 10px; }

.lang__menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease),
              visibility var(--t-fast) var(--ease);
}
.lang.is-open .lang__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang__option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  font-size: 13px;
  letter-spacing: 0.06em;
  border-radius: 6px;
  width: 100%;
  text-align: left;
  color: var(--c-ink-soft);
}
.lang__option:hover { background: var(--c-paper-2); color: var(--c-ink); }
.lang__option.is-current { color: var(--c-accent); font-weight: 500; }

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
}
.menu-toggle svg { width: 22px; height: 22px; }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--c-paper);
  padding: var(--sp-6) var(--gutter) var(--sp-8);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med) var(--ease),
              transform var(--t-med) var(--ease);
  overflow-y: auto;
  z-index: 40;
}
.mobile-menu.is-open {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.mobile-menu__list { display: grid; gap: var(--sp-3); margin-bottom: var(--sp-6); }
.mobile-menu__list a {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: -0.01em;
  padding: 8px 0;
  border-bottom: 1px solid var(--c-line-soft);
}
.mobile-menu__group {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-top: var(--sp-5);
}
.mobile-menu__group .icon-btn { background: var(--c-paper-2); }

/* Footer
   ---------------------------------------------------------------- */
.site-footer {
  background: var(--c-ink);
  color: var(--c-paper);
  padding-block: var(--sp-8) var(--sp-5);
  margin-top: var(--sp-9);
}
.site-footer .container {
  display: grid;
  gap: var(--sp-7);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--sp-7);
}
/* 社媒与地址都未配置时，右列整块不渲染，栅格跟着收成两列 */
.footer-top--two { grid-template-columns: 1.2fr 1fr; }
@media (max-width: 800px) {
  .footer-top { grid-template-columns: 1fr; gap: var(--sp-6); }
}

.footer-brand .brand { color: var(--c-paper); margin-bottom: var(--sp-3); }
.footer-brand .brand__mark { color: var(--c-paper); }
.footer-brand__tag {
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  color: rgba(247, 245, 239, 0.85);
  max-width: 18ch;
}

.footer-col__title {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(247, 245, 239, 0.55);
  margin-bottom: var(--sp-4);
}
.footer-col__list { display: grid; gap: 10px; }
.footer-col__list a { font-size: 14px; color: rgba(247, 245, 239, 0.85); }
.footer-col__list a:hover { color: var(--c-paper); opacity: 1; }

.footer-social { display: flex; gap: var(--sp-3); margin-top: var(--sp-3); }
.footer-social .icon-btn {
  background: rgba(247, 245, 239, 0.06);
  color: var(--c-paper);
}
.footer-social .icon-btn:hover { background: rgba(247, 245, 239, 0.12); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(247, 245, 239, 0.1);
  font-size: 13px;
  color: rgba(247, 245, 239, 0.6);
  flex-wrap: wrap;
}
.footer-bottom__links { display: flex; gap: var(--sp-5); }
.footer-bottom__links a { color: inherit; }
.footer-bottom__links a:hover { color: var(--c-paper); opacity: 1; }

/* Hero
   ---------------------------------------------------------------- */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  min-height: clamp(560px, 88vh, 880px);
  overflow: hidden;
  background: var(--c-paper-2);
}
.hero__media,
.hero__media .media {
  position: absolute;
  inset: 0;
}
.hero__media img,
.hero__media .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(28, 27, 24, 0.05) 0%,
    rgba(28, 27, 24, 0.25) 60%,
    rgba(28, 27, 24, 0.55) 100%
  );
}
.hero__inner {
  position: relative;
  z-index: 2;
  align-self: end;
  padding-block: var(--sp-8);
  color: var(--c-paper);
  max-width: 720px;
}
.hero__inner .eyebrow {
  color: rgba(247, 245, 239, 0.78);
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-display);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: var(--sp-3) 0 var(--sp-4);
  color: var(--c-paper);
}
.hero__title .line { display: block; }
.hero__subtitle {
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: rgba(247, 245, 239, 0.92);
  max-width: 44ch;
  margin-bottom: var(--sp-6);
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.hero__ctas .btn {
  color: var(--c-paper);
  border-color: rgba(247, 245, 239, 0.6);
}
.hero__ctas .btn:hover {
  background: var(--c-paper);
  color: var(--c-ink);
  border-color: var(--c-paper);
}
.hero__ctas .btn--accent {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-paper);
}
.hero__ctas .btn--accent:hover {
  background: var(--c-paper);
  color: var(--c-ink);
  border-color: var(--c-paper);
}

/* Sub-hero (smaller, for About / Products / FAQ / Wholesale / Contact) */
.subhero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--sp-7);
  align-items: end;
  padding-block: clamp(var(--sp-8), 10vw, var(--sp-9));
}
@media (max-width: 900px) { .subhero { grid-template-columns: 1fr; } }
.subhero__text { max-width: 640px; }
.subhero__title {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-top: var(--sp-3);
}
.subhero__subtitle {
  margin-top: var(--sp-4);
  font-size: var(--fs-lead);
  color: var(--c-ink-soft);
}

/* Statement block */
.statement {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(var(--sp-6), 6vw, var(--sp-9));
  align-items: start;
}
@media (max-width: 900px) { .statement { grid-template-columns: 1fr; } }
.statement__left {
  display: flex;
  flex-direction: column;
  gap: clamp(var(--sp-5), 4vw, var(--sp-7));
}
.statement__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.statement__title .line { display: block; }
.statement__body {
  font-size: var(--fs-lead);
  color: var(--c-ink-soft);
  max-width: 52ch;
  margin-top: 0;
}
.statement__art {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.statement__art-img {
  /* Fills its column the way the original 2656px PNG did — a responsive
     source without an explicit width would otherwise render at its own
     intrinsic size and look half-scale. */
  width: 100%;
  max-width: 100%;
  height: auto;
}
.statement__body p + p { margin-top: var(--sp-3); }

/* Product card
   ---------------------------------------------------------------- */
.product-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.product-card__media {
  position: relative;
  overflow: hidden;
  background: var(--c-paper-2);
  aspect-ratio: 4 / 5;
  margin-bottom: var(--sp-4);
}
.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease);
}
.product-card:hover .product-card__img { transform: scale(1.04); }
.product-card__tag {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-paper);
  background: rgba(28, 27, 24, 0.65);
  padding: 6px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.product-card__name {
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.product-card__desc {
  font-size: 14px;
  color: var(--c-stone);
  margin-bottom: var(--sp-3);
  max-width: 32ch;
}
.product-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-ink);
  margin-top: auto;
}
.product-card__cta .arrow { color: var(--c-accent); }
.product-card:hover .product-card__cta { color: var(--c-accent); }

/* Category cards (Products page)
   .cat-card-wrap carries the scroll entrance; .cat-card carries the pointer
   tilt. One transform per element, so they can't overwrite each other. */
.cat-card-wrap { display: block; }
.cat-card {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--c-ink);
  color: var(--c-paper);
  aspect-ratio: 4 / 5;
}
.cat-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.78;
  transition: transform var(--t-slow) var(--ease),
              opacity var(--t-med) var(--ease);
}
.cat-card:hover .cat-card__img { transform: scale(1.05); opacity: 0.9; }
.cat-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(28, 27, 24, 0.1) 0%,
    rgba(28, 27, 24, 0.55) 100%
  );
}
.cat-card__inner {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-5);
  gap: 10px;
}
.cat-card__label {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(247, 245, 239, 0.78);
}
.cat-card__name {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  line-height: 1;
  color: var(--c-paper);
  letter-spacing: -0.02em;
}
.cat-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-paper);
  border-bottom: 1px solid rgba(247, 245, 239, 0.6);
  padding-bottom: 6px;
  align-self: flex-start;
}
.cat-card:hover .cat-card__cta { color: var(--c-sand); border-color: var(--c-sand); }

/* Lifestyle mosaic */
.lifestyle {
  display: flex;
  flex-direction: column;
  gap: clamp(var(--sp-6), 6vw, var(--sp-9));
}
.lifestyle__lead {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: 1.0;
  letter-spacing: -0.025em;
  margin-bottom: var(--sp-4);
}
.lifestyle__body {
  font-size: var(--fs-lead);
  color: var(--c-ink-soft);
  max-width: 48ch;
}
.lifestyle__mosaic {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(var(--sp-3), 2vw, var(--sp-5));
}
.lifestyle__item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
/* 3 列整齐网格：每格统一 4:3 容器，object-fit contain 让横版/竖版图都完整显示
   The image is absolutely positioned inside the box — as a flex child with
   height:100% a portrait shot would stretch its row and break the grid. */
.lifestyle__mosaic .media {
  aspect-ratio: 4 / 3;
  background: var(--c-paper-2);
  position: relative;
}
.lifestyle__mosaic .media__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.lifestyle__mosaic .media:hover .media__img {
  transform: none;
}
.lifestyle__caption {
  font-family: var(--font-display);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-stone);
  text-align: center;
}
@media (max-width: 800px) {
  .lifestyle__mosaic { grid-template-columns: repeat(2, 1fr); }
}

/* Philosophy values */
.values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  margin-top: var(--sp-7);
}
@media (max-width: 800px) { .values { grid-template-columns: repeat(2, 1fr); } }
.value {
  padding: var(--sp-5) 0;
  border-top: 1px solid var(--c-line);
}
.value__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  letter-spacing: -0.01em;
}
.value__index {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.22em;
  color: var(--c-stone);
  margin-bottom: var(--sp-3);
}

/* Wholesale / Contact CTA strip */
.cta-strip {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--sp-7);
  align-items: center;
}
@media (max-width: 800px) { .cta-strip { grid-template-columns: 1fr; } }
.cta-strip__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.cta-strip__body {
  font-size: var(--fs-lead);
  color: var(--c-ink-soft);
  margin-top: var(--sp-3);
}
/* On ink sections the body copy was inheriting --c-ink-soft and disappearing
   into the background — it needs the paper tint instead. */
.section--ink .cta-strip__body { color: rgba(247, 245, 239, 0.72); }
.section--ink .cta-strip__title { color: var(--c-paper); }
.cta-strip__actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  justify-content: flex-end;
}
@media (max-width: 800px) { .cta-strip__actions { justify-content: flex-start; } }

/* Accordion (FAQ)
   ---------------------------------------------------------------- */
.faq {
  display: grid;
  gap: var(--sp-7);
}
@media (min-width: 800px) {
  .faq { grid-template-columns: 1fr 2fr; gap: var(--sp-8); }
}
.faq__cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.faq__cat {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  color: var(--c-ink-soft);
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}
.faq__cat:hover { background: var(--c-paper-2); }
.faq__cat.is-active {
  background: var(--c-ink);
  color: var(--c-paper);
  border-color: var(--c-ink);
}
.faq__list { display: grid; gap: 0; }

.accordion {
  border-top: 1px solid var(--c-line);
}
.accordion__item {
  border-bottom: 1px solid var(--c-line);
}
.accordion__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-5) 0;
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  letter-spacing: -0.005em;
  text-align: left;
  color: var(--c-ink);
  cursor: pointer;
}
.accordion__btn:hover { color: var(--c-accent); }
.accordion__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  transition: background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1px;
  background: var(--c-ink);
  transform: translate(-50%, -50%);
  transition: transform var(--t-med) var(--ease),
              opacity var(--t-fast) var(--ease);
}
.accordion__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion__item.is-open .accordion__icon {
  background: var(--c-ink);
  border-color: var(--c-ink);
}
.accordion__item.is-open .accordion__icon::before,
.accordion__item.is-open .accordion__icon::after { background: var(--c-paper); }
.accordion__item.is-open .accordion__icon::after { opacity: 0; transform: translate(-50%, -50%); }

/* Panel height is driven by grid-template-rows in motion.css (F1).
   A measured max-height reflowed the page and made long answers jump.
   Three levels on purpose: grid row → clipping box (no padding, so it can
   collapse to 0) → padded body. Padding on the clipping box would survive
   the collapse and show 24px of the answer. */
.accordion__panel {
  overflow: hidden;
}
.accordion__panel-inner {
  overflow: hidden;
  min-height: 0;
}
.accordion__panel-body {
  padding-bottom: var(--sp-5);
  color: var(--c-ink-soft);
  font-size: 16px;
  line-height: 1.7;
  max-width: 70ch;
}

/* Product detail
   ---------------------------------------------------------------- */
.product-hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(var(--sp-6), 5vw, var(--sp-9));
  align-items: start;
  padding-block: clamp(var(--sp-8), 9vw, var(--sp-9));
}
@media (max-width: 900px) { .product-hero { grid-template-columns: 1fr; } }
.product-hero__label {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-stone);
}
.product-hero__name {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: 1;
  letter-spacing: -0.025em;
  margin: var(--sp-3) 0 var(--sp-4);
}
.product-hero__intro {
  font-size: var(--fs-lead);
  color: var(--c-ink-soft);
  max-width: 52ch;
}
.product-hero__desc {
  margin-top: var(--sp-5);
  color: var(--c-ink-soft);
  max-width: 52ch;
}

/* 产品 hero 右侧：1 张主图 + 3 张颜色缩略图（点击切换） */
.product-hero__media {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.product-hero__media .media--main {
  aspect-ratio: 4 / 5;
}
.product-hero__thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
}
.product-hero__thumb {
  padding: 0;
  border: 2px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: border-color 0.2s var(--ease, ease);
  aspect-ratio: 1 / 1;
}
.product-hero__thumb.is-active {
  border-color: var(--c-ink, #1a1a1a);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
}
.gallery .media:first-child {
  grid-column: span 2;
  aspect-ratio: 4 / 3;
}

/* 1+4 产品图版式：上面一张主图（跨 2 列 4:3 大图），下面 4 张细节图 2x2 */
.gallery-1plus4 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}
.gallery-1plus4 .media--main {
  grid-column: span 2;
  aspect-ratio: 4 / 3;
}
.gallery-1plus4 > .media:not(.media--main) {
  aspect-ratio: 4 / 3;
}
.gallery-1plus4 .media--empty {
  background: var(--c-paper-2);
  aspect-ratio: 4 / 3;
}
@media (max-width: 640px) {
  .gallery-1plus4 { grid-template-columns: 1fr; }
  .gallery-1plus4 .media--main { grid-column: auto; }
}

.feature-list,
.material-list {
  display: grid;
  gap: var(--sp-3);
}
.feature-list li,
.material-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: var(--sp-3);
  align-items: baseline;
  font-size: 16px;
  color: var(--c-ink-soft);
}
.feature-list li::before,
.material-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  display: inline-block;
  transform: translateY(-3px);
}

.specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5) var(--sp-7);
  border-top: 1px solid var(--c-line);
  padding-top: var(--sp-5);
}
@media (max-width: 700px) { .specs { grid-template-columns: 1fr; } }
.spec__label {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-stone);
  margin-bottom: var(--sp-2);
}
.spec__value {
  font-size: 16px;
  color: var(--c-ink);
}
.color-swatches { display: flex; gap: var(--sp-3); margin-top: var(--sp-2); }
.color-swatch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-ink-soft);
}
.color-swatch__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--c-line);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}
@media (max-width: 700px) { .related-grid { grid-template-columns: 1fr; } }

/* Wholesale audience cards */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
@media (max-width: 800px) { .audience-grid { grid-template-columns: 1fr; } }
.audience {
  padding: var(--sp-5);
  background: var(--c-paper-2);
  border: 1px solid var(--c-line-soft);
  border-radius: 6px;
}
.audience__title {
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  margin-bottom: var(--sp-3);
  letter-spacing: -0.01em;
}
.audience__body { color: var(--c-ink-soft); font-size: 15px; }

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  counter-reset: step;
}
@media (max-width: 900px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .process { grid-template-columns: 1fr; } }
.process__step {
  counter-increment: step;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--c-line);
}
.process__step::before {
  content: "0" counter(step);
  display: block;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.22em;
  color: var(--c-stone);
  margin-bottom: var(--sp-3);
}
.process__step {
  font-size: 16px;
  color: var(--c-ink-soft);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  padding: var(--sp-6);
  background: var(--c-paper-2);
  border-radius: 8px;
  border: 1px solid var(--c-line-soft);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.contact-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  letter-spacing: -0.01em;
}
.contact-card__body { color: var(--c-ink-soft); flex: 1; }
.contact-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  flex-wrap: wrap;
}
.contact-card__email {
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  color: var(--c-ink);
  letter-spacing: -0.005em;
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 6px;
  min-width: 0;
  overflow-wrap: anywhere;
}
.contact-card__email:hover { color: var(--c-accent); border-color: var(--c-accent); }
/* 窄屏统一为「邮箱在上、复制在下」：否则短邮箱按钮同行、长邮箱按钮换行，两张卡不一致 */
@media (max-width: 640px) {
  .contact-card__row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-2);
  }
}

.company-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
  margin-top: var(--sp-7);
}
@media (max-width: 700px) { .company-info { grid-template-columns: 1fr; } }

/* Sitemap list */
.sitemap-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3) var(--sp-7);
}
@media (max-width: 600px) { .sitemap-list { grid-template-columns: 1fr; } }
.sitemap-list a {
  display: flex;
  justify-content: space-between;
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 16px;
}
.sitemap-list a:hover { color: var(--c-accent); opacity: 1; }
.sitemap-list .arrow { color: var(--c-accent); }

/* Page hero utilities (used on every page top)
   The sticky header already occupies its own height in the flow — the old
   padding-top here added a second 76px and pushed every page down. */
.page {
  padding-top: 0;
}

/* Loading & error states */
.kr-loading,
.kr-load-error {
  display: grid;
  place-items: center;
  min-height: 50vh;
  padding: var(--sp-8);
  text-align: center;
  color: var(--c-stone);
  font-size: 15px;
}
.kr-load-error__btn { margin-top: var(--sp-4); }
/* ------------------------------------------------------------------
   404
   单独成页，由 Cloudflare Pages 在未命中资源时返回（真实 404 状态码）
   ------------------------------------------------------------------ */
/* 编号不用 .eyebrow：那里的 letter-spacing 是 0.22em，会把 404 拆成「4 0 4」 */
.notfound__code {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--c-accent);
}
.notfound__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}