:root {
  --black: #0d0d0d;
  --matte: #171717;
  --charcoal: #272727;
  --navy: #000033;
  --gold: #d4af37;
  --bronze: #b87333;
  --silver: #c0c0c0;
  --warm: #f6f3ea;
  --paper: #ebe6dc;
  --ink: #161616;
  --muted-dark: rgba(255, 255, 255, .68);
  --muted-light: rgba(0, 0, 0, .64);
  --line-dark: rgba(255, 255, 255, .14);
  --line-light: rgba(0, 0, 0, .12);
  --shadow: 0 28px 78px rgba(0, 0, 0, .35);
  --radius: 8px;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--black);
  color: #fff;
  font-family: Inter, "Source Sans 3", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.55;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: 76px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  background: rgba(13, 13, 13, .76);
  backdrop-filter: blur(18px);
  transition: background .25s ease, height .25s ease;
}

.site-header.scrolled {
  height: 66px;
  background: rgba(13, 13, 13, .93);
}

.header-inner {
  width: min(var(--max), calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  min-width: max-content;
}

.brand-mark {
  font-size: 31px;
  font-weight: 900;
  line-height: 1;
}

.brand-sub {
  color: rgba(255, 255, 255, .72);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, .74);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.main-nav a:hover {
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-picker {
  height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px 0 14px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 6px;
  background: rgba(255, 255, 255, .045);
  color: rgba(255, 255, 255, .72);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.language-picker select {
  height: 30px;
  border: 0;
  background: #fff;
  color: #111;
  border-radius: 4px;
  padding: 0 8px;
  font-weight: 900;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 6px;
  background: rgba(255, 255, 255, .04);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: #fff;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  text-align: center;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

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

.btn-primary {
  background: var(--gold);
  color: #111;
}

.btn-secondary {
  background: rgba(255, 255, 255, .035);
  border-color: rgba(255, 255, 255, .28);
  color: #fff;
}

.hero {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
  overflow: hidden;
  padding-top: 76px;
  background: #000;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: .72;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, .94), rgba(0, 0, 0, .48) 46%, rgba(0, 0, 0, .88)),
    linear-gradient(180deg, rgba(0, 0, 0, .1), rgba(0, 0, 0, .92));
}

.hero-inner {
  width: min(var(--max), calc(100% - 40px));
  min-height: calc(100vh - 150px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) 380px;
  gap: 52px;
  align-items: end;
  padding: 96px 0 58px;
}

.eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 850px;
  margin-top: 18px;
  font-size: clamp(46px, 8vw, 104px);
  line-height: .93;
  font-weight: 950;
  text-transform: uppercase;
}

.hero-lede {
  max-width: 700px;
  margin-top: 28px;
  color: rgba(255, 255, 255, .8);
  font-size: clamp(17px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hero-card {
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  background: rgba(13, 13, 13, .78);
  box-shadow: var(--shadow);
  padding: 24px;
}

.hero-card-top {
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(212, 175, 55, .42);
}

.hero-card-top span {
  display: block;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-card-top strong {
  display: block;
  margin-top: 8px;
  font-size: 25px;
  text-transform: uppercase;
}

.hero-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.hero-card-grid strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.hero-card-grid span {
  display: block;
  margin-top: 8px;
  color: var(--muted-dark);
  font-size: 12px;
  text-transform: uppercase;
}

.hero-strip {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto 24px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .04);
}

.hero-strip span {
  min-height: 56px;
  display: grid;
  place-items: center;
  padding: 0 14px;
  border-right: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .78);
  font-size: 12px;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}

.hero-strip span:last-child {
  border-right: 0;
}

.trust-band {
  background: var(--warm);
  color: var(--ink);
  border-bottom: 1px solid rgba(0, 0, 0, .1);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.trust-grid > div {
  padding: 28px 24px;
  border-left: 1px solid rgba(0, 0, 0, .1);
}

.trust-grid > div:last-child {
  border-right: 1px solid rgba(0, 0, 0, .1);
}

.mini-label {
  display: block;
  color: rgba(0, 0, 0, .54);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.trust-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
  line-height: 1.1;
  text-transform: uppercase;
}

.section {
  padding: 112px 0;
}

.section-dark {
  background: var(--black);
  color: #fff;
}

.section-charcoal {
  background: #151515;
  color: #fff;
}

.section-light {
  background: var(--warm);
  color: var(--ink);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(280px, .55fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 46px;
}

.section-head h2 {
  margin-top: 12px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: .98;
  font-weight: 950;
  text-transform: uppercase;
}

.section-head p:not(.eyebrow) {
  color: var(--muted-dark);
  font-size: 17px;
}

.section-light .section-head p:not(.eyebrow) {
  color: var(--muted-light);
}

.system-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 26px;
}

.feature-image {
  min-height: 620px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background: #222;
  box-shadow: var(--shadow);
}

.system-cards {
  display: grid;
  gap: 18px;
}

.system-card {
  min-height: 190px;
  padding: 26px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 10px 10px, rgba(255, 255, 255, .13) 1.6px, transparent 2px) 0 0 / 20px 20px,
    linear-gradient(135deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .018)),
    var(--matte);
}

.system-card span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 950;
}

.system-card h3 {
  margin-top: 26px;
  font-size: 25px;
  text-transform: uppercase;
}

.system-card p {
  margin-top: 12px;
  color: var(--muted-dark);
}

.color-config {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  gap: 42px;
  align-items: center;
}

.color-copy h2 {
  margin-top: 12px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: .98;
  text-transform: uppercase;
}

.color-copy p:not(.eyebrow) {
  margin-top: 22px;
  color: var(--muted-light);
  font-size: 17px;
}

.swatch-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.swatch {
  min-height: 92px;
  border: 1px solid rgba(0, 0, 0, .14);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  overflow: hidden;
  text-align: left;
}

.swatch::before {
  content: "";
  display: block;
  height: 46px;
  background: var(--swatch);
}

.swatch span {
  display: block;
  padding: 10px;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.swatch.active {
  outline: 3px solid var(--gold);
}

.panel-preview {
  padding: 28px;
  border: 1px solid rgba(0, 0, 0, .13);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 26px 70px rgba(0, 0, 0, .12);
}

.preview-wall {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(0, 0, 0, .72), rgba(0, 0, 0, .14)),
    #2d2d2d;
}

.preview-panel {
  position: absolute;
  left: 12%;
  top: 13%;
  width: 52%;
  height: 68%;
  background:
    radial-gradient(circle at 10px 10px, rgba(0, 0, 0, .34) 2px, transparent 2.8px) 0 0 / 18px 18px,
    var(--preview-color, #87cfc2);
  box-shadow: 0 28px 50px rgba(0, 0, 0, .3);
}

.preview-panel-small {
  left: 64%;
  top: 28%;
  width: 22%;
  height: 36%;
  background:
    radial-gradient(circle at 10px 10px, rgba(0, 0, 0, .34) 2px, transparent 2.8px) 0 0 / 18px 18px,
    #393939;
}

.preview-shelf {
  position: absolute;
  left: 22%;
  top: 40%;
  width: 35%;
  height: 14px;
  background: #f5f0e6;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .34);
}

.preview-hook,
.preview-hook.second {
  position: absolute;
  width: 38px;
  height: 62px;
  border: 7px solid #f5f0e6;
  border-top: 0;
  border-radius: 0 0 18px 18px;
}

.preview-hook {
  left: 30%;
  top: 55%;
}

.preview-hook.second {
  left: 45%;
  top: 57%;
}

.preview-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
  color: var(--ink);
}

.preview-caption span {
  color: rgba(0, 0, 0, .55);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.preview-caption strong {
  font-size: 24px;
  text-transform: uppercase;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.scene-card {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #222;
}

.scene-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, .78));
}

.scene-card.tall {
  grid-row: span 2;
  min-height: 798px;
}

.scene-card.wide {
  grid-column: span 2;
}

.scene-card div {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 24px;
}

.scene-card span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.scene-card h3 {
  margin-top: 8px;
  font-size: 27px;
  line-height: 1;
  text-transform: uppercase;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background: #171717;
  box-shadow: 0 20px 58px rgba(0, 0, 0, .24);
}

.product-img {
  height: 310px;
  background: #222;
}

.product-body {
  padding: 25px;
}

.product-kicker {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.product-body h3 {
  margin-top: 10px;
  font-size: 26px;
  line-height: 1.05;
  text-transform: uppercase;
}

.product-body p {
  margin-top: 12px;
  color: var(--muted-dark);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.chip-row span {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 999px;
  color: rgba(255, 255, 255, .76);
  font-size: 12px;
  font-weight: 800;
}

.accessory-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.accessory-item {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  border: 1px solid rgba(0, 0, 0, .12);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 10px 10px, rgba(0, 0, 0, .09) 1.7px, transparent 2.2px) 0 0 / 18px 18px,
    #fff;
  color: var(--ink);
}

.accessory-item span {
  color: rgba(0, 0, 0, .55);
  font-size: 12px;
  font-weight: 900;
}

.accessory-item strong {
  font-size: 22px;
  line-height: 1.05;
  text-transform: uppercase;
}

.spec-layout {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: 26px;
  align-items: stretch;
}

.layer-card {
  min-height: 610px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background: #222;
  box-shadow: var(--shadow);
}

.spec-table-wrap {
  display: flex;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background: #151515;
}

.spec-table th,
.spec-table td {
  padding: 22px;
  border-bottom: 1px solid var(--line-dark);
  text-align: left;
  vertical-align: top;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

.spec-table th {
  width: 34%;
  color: var(--gold);
  font-size: 13px;
  text-transform: uppercase;
}

.spec-table td {
  color: rgba(255, 255, 255, .78);
}

.wholesale {
  position: relative;
  overflow: hidden;
}

.wholesale::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .18;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, .82), rgba(0, 0, 0, .22)),
    url("墙板原图/微信图片_20240117154123.png") center / cover;
}

.wholesale-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1fr);
  gap: 44px;
  align-items: center;
}

.wholesale h2 {
  margin-top: 12px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: .98;
  text-transform: uppercase;
}

.wholesale p {
  margin-top: 22px;
  color: var(--muted-dark);
  font-size: 17px;
}

.wholesale-list {
  display: grid;
  gap: 16px;
}

.wholesale-list div {
  padding: 24px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(13, 13, 13, .74);
}

.wholesale-list strong,
.wholesale-list span {
  display: block;
}

.wholesale-list strong {
  font-size: 21px;
  text-transform: uppercase;
}

.wholesale-list span {
  margin-top: 8px;
  color: var(--muted-dark);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid rgba(0, 0, 0, .12);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}

.faq-list summary {
  cursor: pointer;
  padding: 22px 24px;
  font-size: 20px;
  font-weight: 900;
  text-transform: uppercase;
}

.faq-list p {
  padding: 0 24px 24px;
  color: var(--muted-light);
}

.contact-section {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: #000;
  color: #fff;
}

.contact-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: .42;
}

.contact-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, .94), rgba(0, 0, 0, .64)),
    linear-gradient(180deg, rgba(0, 0, 0, .15), rgba(0, 0, 0, .88));
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(320px, .7fr);
  gap: 48px;
  align-items: start;
}

.contact-copy h2 {
  margin-top: 12px;
  font-size: clamp(38px, 5vw, 72px);
  line-height: .98;
  text-transform: uppercase;
}

.contact-copy p:not(.eyebrow) {
  margin-top: 22px;
  max-width: 620px;
  color: var(--muted-dark);
  font-size: 18px;
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  background: rgba(13, 13, 13, .82);
  box-shadow: var(--shadow);
}

.inquiry-form label {
  display: grid;
  gap: 8px;
}

.inquiry-form label.full,
.inquiry-form .full {
  grid-column: 1 / -1;
}

.inquiry-form span {
  color: rgba(255, 255, 255, .76);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 6px;
  background: rgba(255, 255, 255, .08);
  color: #fff;
  padding: 13px 14px;
  outline: none;
}

.inquiry-form select {
  color: #111;
  background: #fff;
}

.inquiry-form textarea {
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--gold);
}

.form-note {
  grid-column: 1 / -1;
  color: var(--muted-dark);
  font-size: 13px;
}

.form-note.success {
  color: var(--gold);
  font-weight: 900;
}

.site-footer {
  padding: 44px 0;
  background: #080808;
  border-top: 1px solid rgba(255, 255, 255, .1);
}

.footer-layout {
  display: flex;
  justify-content: space-between;
  gap: 34px;
  align-items: center;
}

.site-footer p {
  max-width: 540px;
  margin-top: 14px;
  color: var(--muted-dark);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, .68);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

[dir="rtl"] body {
  text-align: right;
}

@media (max-width: 1080px) {
  .header-quote {
    display: none;
  }

  .main-nav {
    gap: 16px;
  }

  .hero-inner,
  .system-layout,
  .color-config,
  .spec-layout,
  .wholesale-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-card {
    max-width: 560px;
  }

  .trust-grid,
  .accessory-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .scene-card,
  .scene-card.tall,
  .scene-card.wide {
    grid-column: auto;
    grid-row: auto;
    min-height: 380px;
  }

  .feature-image,
  .layer-card {
    min-height: 480px;
  }
}

@media (max-width: 820px) {
  .site-header,
  .site-header.scrolled {
    height: 66px;
  }

  .header-inner,
  .wrap,
  .hero-inner,
  .hero-strip {
    width: min(100% - 28px, var(--max));
  }

  .brand-sub {
    display: none;
  }

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

  .main-nav {
    position: fixed;
    top: 66px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--radius);
    background: rgba(13, 13, 13, .98);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .main-nav a:last-child {
    border-bottom: 0;
  }

  .language-picker span {
    display: none;
  }

  .hero {
    padding-top: 66px;
  }

  .hero-inner {
    min-height: auto;
    padding: 88px 0 36px;
  }

  h1 {
    font-size: clamp(43px, 13vw, 64px);
  }

  .hero-strip {
    grid-template-columns: 1fr;
  }

  .hero-strip span {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .hero-strip span:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 78px 0;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .swatch-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .preview-wall {
    min-height: 360px;
  }

  .inquiry-form {
    grid-template-columns: 1fr;
  }

  .footer-layout {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .header-inner {
    gap: 10px;
  }

  .brand-mark {
    font-size: 27px;
  }

  .language-picker {
    padding: 0 7px;
  }

  .hero-card-grid,
  .trust-grid,
  .accessory-grid,
  .swatch-row {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .trust-grid > div,
  .trust-grid > div:last-child {
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(0, 0, 0, .1);
  }

  .product-img {
    height: 250px;
  }

  .spec-table th,
  .spec-table td {
    display: block;
    width: 100%;
  }

  .spec-table th {
    padding-bottom: 6px;
    border-bottom: 0;
  }

  .spec-table td {
    padding-top: 4px;
  }
}