/* Apex Heavy Equipment — industrial premium */
@import url("https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap");

:root {
  --bg: #0c0e10;
  --bg-elev: #14181c;
  --bg-soft: #1a2026;
  --line: rgba(232, 228, 220, 0.12);
  --text: #e8e4dc;
  --muted: #9a9488;
  --accent: #e07a2f;
  --accent-2: #c4a574;
  --steel: #5b6b7a;
  --white: #f4f1ea;
  --danger: #c44;
  --radius: 2px;
  --max: 1180px;
  --header-h: 72px;
  --font-display: "Barlow Condensed", sans-serif;
  --font-body: "Outfit", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
.h-display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin: 0 0 0.4em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 5.2rem);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

h3 {
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.h-sm {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 1.5rem 0 0.6rem;
  color: var(--accent-2);
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 36em;
}

.muted {
  color: var(--muted);
  font-size: 0.92rem;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, rgba(12, 14, 16, 0.92), rgba(12, 14, 16, 0.72));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  line-height: 1;
}

.logo strong {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.logo span {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav a {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.25s var(--ease);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--white);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.lang-switch button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.55rem;
  cursor: pointer;
}

.lang-switch button.is-active {
  background: var(--bg-soft);
  color: var(--white);
}

.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  width: 42px;
  height: 42px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.85rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, color 0.25s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #140c06;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: #f08a3d;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--white);
}

.btn-ghost:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.btn-sm {
  padding: 0.55rem 0.9rem;
  font-size: 0.72rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.5rem 0 0.75rem;
}

.text-link {
  color: var(--accent-2);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  padding: calc(var(--header-h) + 2rem) 0 4rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: heroDrift 18s var(--ease) infinite alternate;
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(12, 14, 16, 0.88) 0%, rgba(12, 14, 16, 0.55) 48%, rgba(12, 14, 16, 0.35) 100%),
    linear-gradient(0deg, rgba(12, 14, 16, 0.95) 0%, transparent 42%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  letter-spacing: 0.35em;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.15s forwards;
}

.hero h1 {
  white-space: pre-line;
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.28s forwards;
}

.hero .lede {
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.42s forwards;
}

.hero .cta-row {
  opacity: 0;
  animation: rise 0.9s var(--ease) 0.55s forwards;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroDrift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.08) translate3d(-1.5%, -1%, 0);
  }
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-bar div {
  background: var(--bg);
  padding: 1.25rem 1.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

/* Sections */
.section {
  padding: 5.5rem 0;
}

.section-head {
  margin-bottom: 2.5rem;
  max-width: 40rem;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.split img {
  width: 100%;
  height: min(520px, 70vw);
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}

.show-list {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.show-list article {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.show-list h3 {
  margin-bottom: 0.35rem;
}

.show-list p {
  margin: 0;
  color: var(--muted);
}

/* Category bands */
.cat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.cat-panel {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 1.75rem;
  border: 1px solid var(--line);
}

.cat-panel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.cat-panel:hover img {
  transform: scale(1.06);
}

.cat-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(12, 14, 16, 0.92), rgba(12, 14, 16, 0.25));
}

.cat-panel > * {
  position: relative;
  z-index: 1;
}

.cat-panel h3 {
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

/* Products */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1.75rem;
}

.filter-bar button {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.55rem 0.95rem;
  cursor: pointer;
  border-radius: var(--radius);
}

.filter-bar button.is-active,
.filter-bar button:hover {
  color: var(--white);
  border-color: var(--accent);
}

.product-grid,
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.product-card,
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.product-card:hover,
.blog-card:hover {
  border-color: rgba(224, 122, 47, 0.45);
  transform: translateY(-3px);
}

.product-card__media,
.blog-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #000;
}

.product-card__media img,
.blog-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.product-card:hover img,
.blog-card:hover img {
  transform: scale(1.04);
}

.product-card__body,
.blog-card__body {
  padding: 1.25rem 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.product-card__body p,
.blog-card__body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}

.blog-card time {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

/* Detail */
.page-hero {
  padding: calc(var(--header-h) + 3.5rem) 0 2.5rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 20% 0%, rgba(224, 122, 47, 0.12), transparent 50%),
    var(--bg);
}

#product-detail,
#blog-post {
  padding-top: calc(var(--header-h) + 1.5rem);
}

.detail-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  padding: 1.5rem 0 5rem;
}

.detail-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
}

.back-link {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.back-link:hover {
  color: var(--accent-2);
}

.spec-list {
  border-top: 1px solid var(--line);
}

.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.spec-row span {
  color: var(--muted);
}

/* About */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  margin-top: 3rem;
}

.stat-grid div {
  background: var(--bg-elev);
  padding: 1.75rem 1.25rem;
  text-align: center;
}

.stat-grid strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.stat-grid span {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  padding: 3rem 0 5rem;
}

.form {
  display: grid;
  gap: 0.9rem;
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.form input,
.form select,
.form textarea {
  appearance: none;
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius);
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

.direct-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 1.75rem;
}

.direct-card h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.channel {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.channel span {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.channel a {
  color: var(--white);
  font-size: 1.05rem;
}

.channel a:hover {
  color: var(--accent);
}

/* Blog post */
.post {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

.post time {
  color: var(--steel);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.post-hero {
  margin: 1.75rem 0 1.5rem;
  border: 1px solid var(--line);
}

.post-hero img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.post-body {
  color: var(--muted);
  font-size: 1.05rem;
}

/* CTA band */
.cta-band {
  position: relative;
  padding: 5rem 0;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(224, 122, 47, 0.18), transparent 55%),
    var(--bg-elev);
  z-index: 0;
}

.cta-band .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-band .lede {
  margin-inline: auto;
}

/* Footer */
.site-footer {
  padding: 3.5rem 0 2rem;
  border-top: 1px solid var(--line);
  background: #090b0d;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-grid h4 {
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.95rem;
  margin: 0 0 1rem;
  color: var(--accent-2);
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.footer-grid a {
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-grid a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--steel);
  font-size: 0.82rem;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Page shell offset */
.page-body {
  padding-top: 0;
}

/* Responsive */
@media (max-width: 960px) {
  .trust-bar,
  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }

  .split,
  .detail-layout,
  .contact-grid,
  .cat-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  :root {
    --header-h: 56px;
    --tabbar-h: 56px;
  }

  body {
    padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px));
  }

  .container {
    width: min(100% - 1.25rem, var(--max));
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    background: rgba(12, 14, 16, 0.97);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.25rem;
    gap: 0;
    display: none;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .header-actions .btn {
    display: none;
  }

  .logo strong {
    font-size: 1.15rem;
  }

  .logo span {
    display: none;
  }

  .hero {
    min-height: 88vh;
    min-height: 88dvh;
    padding: calc(var(--header-h) + 1.25rem) 0 2.5rem;
    align-items: flex-end;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 11vw, 3.2rem);
  }

  .hero .cta-row .btn-ghost:nth-child(n + 2) {
    display: none;
  }

  .trust-bar {
    grid-template-columns: 1fr 1fr;
  }

  .trust-bar div {
    padding: 0.85rem 0.75rem;
    font-size: 0.68rem;
  }

  .section {
    padding: 3rem 0;
  }

  .page-hero {
    padding: calc(var(--header-h) + 1.75rem) 0 1.5rem;
  }

  .page-hero h1 {
    font-size: clamp(1.9rem, 9vw, 2.6rem);
  }

  /* JD-style：左图右文商品行 */
  .product-grid,
  .blog-grid {
    gap: 0.65rem;
  }

  .product-card,
  .blog-card {
    flex-direction: row;
    align-items: stretch;
  }

  .product-card__media,
  .blog-card__media {
    width: 36%;
    min-width: 118px;
    aspect-ratio: 1;
    flex-shrink: 0;
  }

  .product-card__body,
  .blog-card__body {
    padding: 0.75rem 0.85rem;
    gap: 0.25rem;
    min-width: 0;
  }

  .product-card__body h3,
  .blog-card__body h3 {
    font-size: 1rem;
    line-height: 1.25;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .product-card__body p,
  .blog-card__body p {
    font-size: 0.78rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .product-card .eyebrow {
    margin-bottom: 0.15rem;
    font-size: 0.65rem;
  }

  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin: 0 -0.25rem 1rem;
    padding: 0 0.25rem 0.35rem;
  }

  .filter-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-bar button {
    flex: 0 0 auto;
    padding: 0.5rem 0.85rem;
  }

  .filter-bar #catalog-count {
    display: none;
  }

  .cat-grid {
    gap: 0.65rem;
  }

  .cat-panel {
    min-height: 160px;
    padding: 1.1rem;
  }

  .cat-panel h3 {
    font-size: 1.45rem;
  }

  .detail-layout {
    gap: 1.25rem;
    padding: 0.75rem 0 6.5rem;
  }

  .detail-copy .cta-row {
    display: none;
  }

  .contact-grid {
    padding: 1.5rem 0 5rem;
    gap: 1.5rem;
  }

  .form input,
  .form select,
  .form textarea {
    font-size: 16px; /* 防 iOS 自动放大 */
  }

  .cta-band {
    padding: 3rem 0;
  }

  .cta-band .cta-row {
    flex-direction: column;
  }

  .cta-band .btn {
    width: 100%;
  }

  .stat-grid strong {
    font-size: 1.7rem;
  }

  .site-footer {
    padding: 2rem 0 1.25rem;
  }

  /* 京东式底部固定栏 */
  .m-tabbar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    height: calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: rgba(14, 16, 18, 0.96);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--line);
  }

  .m-tabbar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    font-size: 0.65rem;
    letter-spacing: 0.04em;
    color: var(--muted);
    text-transform: uppercase;
  }

  .m-tabbar a.is-active,
  .m-tabbar a:hover {
    color: var(--accent);
  }

  .m-tabbar a.m-tabbar__cta {
    background: var(--accent);
    color: #140c06;
    font-weight: 700;
  }

  /* 详情页底部询价条 */
  .m-buybar {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1.4fr;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 61;
    height: calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: #12161a;
    border-top: 1px solid var(--line);
  }

  .m-buybar a {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text);
  }

  .m-buybar a:nth-child(2) {
    border-left: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .m-buybar a.is-primary {
    background: var(--accent);
    color: #140c06;
  }

  body.has-buybar .m-tabbar {
    display: none;
  }
}

@media (min-width: 781px) {
  .m-tabbar,
  .m-buybar {
    display: none !important;
  }
}