:root {
  --bg: #f4f7fb;
  --bg-2: #e9eef5;
  --ink: #0b1220;
  --muted: #657086;
  --line: rgba(11, 18, 32, 0.1);
  --glass: rgba(255, 255, 255, 0.72);
  --dark: #070b12;
  --dark-2: #101722;
  --light: #ffffff;
  --accent: #386bff;
  --teal: #1b8f8a;
  --rose: #d94f7b;
  --radius: 8px;
  --shadow: 0 24px 80px rgba(13, 24, 45, 0.16);
  font-family: "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--bg);
  letter-spacing: 0;
}

body.admin-open {
  background: #eef2f8;
}

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

button {
  cursor: pointer;
}

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

.site-shell {
  min-height: 100dvh;
  overflow: clip;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background: rgba(248, 251, 255, 0.78);
  border-bottom: 1px solid rgba(13, 24, 45, 0.06);
  backdrop-filter: blur(18px);
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.site-header.is-light,
.site-header.is-scrolled {
  color: var(--ink);
}

.site-header.is-scrolled {
  background: rgba(246, 249, 253, 0.9);
  border-bottom: 1px solid rgba(13, 24, 45, 0.08);
  backdrop-filter: blur(18px);
}

.nav-inner {
  width: min(1180px, calc(100vw - 40px));
  height: 100%;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto minmax(180px, 1fr);
  align-items: center;
  gap: 20px;
  padding: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  width: fit-content;
}

.brand-logo {
  display: block;
  width: clamp(118px, 10vw, 154px);
  height: auto;
  max-height: 42px;
  object-fit: contain;
}

.site-header .brand-logo {
  transform: translateX(-12px);
}

.main-nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  font-size: 14px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  height: 100%;
  opacity: 0.9;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
}

.nav-link:hover,
.nav-link:focus-visible {
  opacity: 1;
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.text-link {
  font-size: 14px;
  opacity: 0.82;
}

.lang-toggle {
  min-width: 52px;
  height: 34px;
  border: 1px solid rgba(11, 18, 32, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--ink);
  font-size: 13px;
  font-weight: 650;
}

.admin-lang {
  width: fit-content;
  margin: 14px 0 6px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  padding: 0 20px;
  background: rgba(255, 255, 255, 0.16);
  color: inherit;
  white-space: nowrap;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.26);
}

.site-header.is-light .btn,
.site-header.is-scrolled .btn,
.btn.light {
  border-color: rgba(11, 18, 32, 0.1);
  background: rgba(11, 18, 32, 0.06);
  color: var(--ink);
}

.btn.primary,
.site-header .btn.primary {
  border-color: transparent;
  background: #101722;
  color: #fff;
}

.btn.primary:hover {
  background: #24314a;
}

.btn.ghost {
  background: transparent;
}

.mega-menu {
  position: fixed;
  top: 72px;
  left: 50%;
  z-index: 45;
  width: min(1180px, calc(100vw - 48px));
  transform: translateX(-50%) translateY(-8px);
  padding: 24px;
  background: rgba(248, 251, 255, 0.94);
  color: var(--ink);
  border: 1px solid rgba(14, 26, 46, 0.08);
  border-radius: 0 0 8px 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-product:hover .mega-menu,
.nav-product:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.mega-column {
  min-height: 190px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(14, 26, 46, 0.08);
  border-radius: var(--radius);
}

.mega-column h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.mega-column p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 13px;
}

.mega-column a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid rgba(14, 26, 46, 0.08);
  font-size: 14px;
}

.mobile-menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
}

.mobile-panel {
  position: fixed;
  top: 72px;
  left: 12px;
  right: 12px;
  z-index: 49;
  display: grid;
  gap: 1px;
  padding: 10px;
  background: rgba(248, 251, 255, 0.96);
  color: var(--ink);
  border: 1px solid rgba(14, 26, 46, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.mobile-panel a {
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 6px;
}

.mobile-panel a:hover {
  background: rgba(11, 18, 32, 0.06);
}

.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  color: #fff;
  isolation: isolate;
  overflow: hidden;
  background: #0b111d;
}

.hero.light {
  color: var(--ink);
  background: linear-gradient(180deg, #f9fbff, #e9eef5 70%, #dbe3ee);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.42), transparent 24rem),
    linear-gradient(135deg, rgba(56, 107, 255, 0.24), transparent 45%),
    linear-gradient(180deg, rgba(4, 8, 14, 0.1), rgba(4, 8, 14, 0.6));
}

.hero.light::before {
  background:
    radial-gradient(circle at 50% 14%, rgba(255, 255, 255, 0.95), transparent 24rem),
    radial-gradient(circle at 80% 70%, rgba(56, 107, 255, 0.13), transparent 22rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(226, 233, 242, 0.95));
}

.home-hero {
  background: #eef3f9;
}

.home-hero::before {
  z-index: 0;
  background: linear-gradient(180deg, rgba(248, 251, 255, 0.14), rgba(218, 228, 241, 0.3));
}

.home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(247, 250, 254, 0.96) 0%, rgba(247, 250, 254, 0.82) 33%, rgba(247, 250, 254, 0.28) 64%, rgba(247, 250, 254, 0.04) 100%),
    linear-gradient(180deg, rgba(247, 250, 254, 0.32), rgba(218, 228, 241, 0.2));
}

.banner-stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.banner-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: min(1180px, calc(100vw - 40px));
  min-height: 100dvh;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: center;
  padding: 118px 0 34px;
}

.home-hero .hero-content {
  z-index: 2;
}

.hero-copy {
  position: relative;
  z-index: 2;
  text-align: center;
  align-self: start;
  padding-top: clamp(56px, 10vh, 108px);
}

.home-hero .hero-copy {
  width: min(650px, 52vw);
  text-align: left;
  align-self: center;
  padding-top: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: inherit;
  opacity: 0.72;
  font-size: 15px;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(46px, 7.5vw, 112px);
  line-height: 0.95;
  font-weight: 760;
  letter-spacing: 0;
}

.hero-subtitle,
.page-hero p {
  margin: 16px auto 0;
  max-width: 680px;
  font-size: clamp(18px, 2.2vw, 28px);
  line-height: 1.35;
  opacity: 0.78;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.home-hero .hero-subtitle {
  margin-left: 0;
  margin-right: 0;
}

.home-hero .hero-actions {
  justify-content: flex-start;
}

.product-stage {
  position: absolute;
  inset: 31vh 0 14vh;
  z-index: 1;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.product-detail-hero .product-stage {
  inset: 38vh 0 10vh;
}

.product-visual {
  --tone-a: #dfe8f4;
  --tone-b: #8fa0b5;
  --tone-c: #233046;
  position: relative;
  width: var(--visual-width, min(56vw, 780px));
  aspect-ratio: var(--visual-ratio, 1.62 / 1);
  transform: translateY(var(--visual-y, 0));
}

.hero-render {
  --visual-width: min(58vw, 800px);
  --visual-y: 3vh;
}

.product-detail-hero .hero-render {
  --visual-width: min(52vw, 680px);
  --visual-y: 0;
}

.product-detail-hero .hero-content > .spec-grid {
  display: none;
}

.page-render {
  --visual-width: min(36vw, 520px);
}

.tile-render {
  --visual-width: min(100%, 360px);
}

.card-render {
  --visual-width: 100%;
}

.line-render {
  --visual-width: clamp(180px, 21vw, 280px);
}

.showcase-render {
  --visual-width: min(46vw, 620px);
}

.feature-render {
  --visual-width: min(42vw, 560px);
}

.tone-blue {
  --tone-a: #cfe5ff;
  --tone-b: #5a8bff;
  --tone-c: #0c2c6d;
}

.tone-teal {
  --tone-a: #c8fbf1;
  --tone-b: #1b8f8a;
  --tone-c: #063f43;
}

.tone-graphite {
  --tone-a: #798292;
  --tone-b: #252d39;
  --tone-c: #090d13;
}

.tone-rose,
.tone-pearl {
  --tone-a: #ffe2ea;
  --tone-b: #d94f7b;
  --tone-c: #56223a;
}

.tone-mint {
  --tone-a: #d8fff0;
  --tone-b: #73d6ac;
  --tone-c: #315f4b;
}

.product-image {
  display: grid;
  place-items: center;
  filter: drop-shadow(0 34px 36px rgba(8, 14, 27, 0.18));
}

.product-render {
  position: absolute;
  inset: -7% -6%;
  z-index: 1;
  width: 112%;
  height: 116%;
  object-fit: contain;
}

.visual-bone .product-render {
  inset: -4% -13%;
  width: 126%;
  height: 108%;
}

.visual-clip .product-render {
  inset: -8% -9%;
  width: 118%;
  height: 116%;
}

.card-render .product-render,
.tile-render .product-render {
  inset: -10% -10%;
  width: 120%;
  height: 120%;
}

.card-render.visual-bone .product-render {
  inset: -2% -18%;
  width: 136%;
  height: 104%;
}

.line-render .product-render {
  inset: -5%;
  width: 110%;
  height: 110%;
}

.product-visual.image-missing {
  display: none;
}

.visual-halo {
  position: absolute;
  inset: 5% 8%;
  z-index: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle, color-mix(in srgb, var(--tone-b) 24%, transparent), transparent 62%),
    radial-gradient(circle, rgba(255, 255, 255, 0.72), transparent 42%);
  filter: blur(6px);
}

.visual-part {
  position: absolute;
  background: linear-gradient(145deg, var(--tone-a), var(--tone-b) 56%, var(--tone-c));
  border: 1px solid rgba(255, 255, 255, 0.42);
  box-shadow:
    inset 14px 18px 24px rgba(255, 255, 255, 0.28),
    inset -18px -20px 24px rgba(8, 14, 27, 0.2);
}

.visual-bone .band {
  left: 21%;
  top: 16%;
  width: 58%;
  height: 54%;
  border: 18px solid color-mix(in srgb, var(--tone-b) 70%, #fff);
  border-bottom: 0;
  border-radius: 52% 52% 0 0 / 92% 92% 0 0;
  background: transparent;
  transform: rotate(0deg);
}

.visual-bone .pod-left,
.visual-bone .pod-right {
  bottom: 18%;
  width: 16%;
  height: 20%;
  border-radius: 999px 999px 999px 38px;
}

.visual-bone .pod-left {
  left: 17%;
  transform: rotate(18deg);
}

.visual-bone .pod-right {
  right: 17%;
  transform: scaleX(-1) rotate(18deg);
}

.visual-bone .transducer-left,
.visual-bone .transducer-right {
  bottom: 8%;
  width: 11%;
  height: 18%;
  border-radius: 42% 58% 52% 48%;
}

.visual-bone .transducer-left {
  left: 28%;
}

.visual-bone .transducer-right {
  right: 28%;
}

.visual-ows .hook-left,
.visual-ows .hook-right {
  top: 14%;
  width: 27%;
  height: 58%;
  border: 15px solid color-mix(in srgb, var(--tone-b) 74%, #fff);
  border-left-width: 20px;
  border-bottom-color: transparent;
  border-radius: 48% 56% 52% 42%;
  background: transparent;
}

.visual-ows .hook-left {
  left: 20%;
  transform: rotate(-22deg);
}

.visual-ows .hook-right {
  right: 20%;
  transform: scaleX(-1) rotate(-22deg);
}

.visual-ows .speaker-left,
.visual-ows .speaker-right {
  bottom: 22%;
  width: 18%;
  height: 24%;
  border-radius: 54% 46% 58% 42%;
}

.visual-ows .speaker-left {
  left: 28%;
  transform: rotate(-12deg);
}

.visual-ows .speaker-right {
  right: 28%;
  transform: scaleX(-1) rotate(-12deg);
}

.visual-ows .case {
  left: 38%;
  bottom: 3%;
  width: 24%;
  height: 22%;
  border-radius: 999px;
  opacity: 0.72;
}

.visual-clip .bridge-left,
.visual-clip .bridge-right {
  top: 22%;
  width: 20%;
  height: 50%;
  border: 15px solid color-mix(in srgb, var(--tone-b) 70%, #fff);
  border-right-color: transparent;
  border-radius: 50%;
  background: transparent;
}

.visual-clip .bridge-left {
  left: 26%;
  transform: rotate(14deg);
}

.visual-clip .bridge-right {
  right: 26%;
  transform: scaleX(-1) rotate(14deg);
}

.visual-clip .cap-left,
.visual-clip .cap-right,
.visual-clip .bud-left,
.visual-clip .bud-right {
  width: 16%;
  height: 24%;
  border-radius: 50%;
}

.visual-clip .cap-left {
  left: 21%;
  top: 23%;
}

.visual-clip .cap-right {
  right: 21%;
  top: 23%;
}

.visual-clip .bud-left {
  left: 35%;
  bottom: 23%;
}

.visual-clip .bud-right {
  right: 35%;
  bottom: 23%;
}

.product-rail {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(18px);
}

.hero.light .product-rail {
  border-color: rgba(11, 18, 32, 0.1);
  background: rgba(255, 255, 255, 0.64);
}

.banner-rail {
  width: min(620px, 100%);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  justify-self: start;
  border-color: rgba(11, 18, 32, 0.1);
  background: rgba(255, 255, 255, 0.72);
}

.rail-item {
  min-width: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  padding: 9px 6px;
  opacity: 0.6;
  transition: background 0.2s ease, opacity 0.2s ease;
}

.rail-item strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.rail-item span {
  display: block;
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.rail-item.active,
.rail-item:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.18);
}

.hero.light .rail-item.active,
.hero.light .rail-item:hover {
  background: rgba(11, 18, 32, 0.06);
}

.section {
  position: relative;
  padding: clamp(78px, 10vw, 132px) 0;
}

.section.dark {
  color: #fff;
  background: #070b12;
}

.section-inner {
  width: min(1240px, calc(100vw - 40px));
  margin: 0 auto;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.65fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 40px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 72px);
  line-height: 1;
  font-weight: 720;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.dark .section-heading p {
  color: rgba(255, 255, 255, 0.68);
}

.factory-section {
  background: #eef3f9;
}

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

.factory-card {
  min-height: 520px;
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid rgba(11, 18, 32, 0.1);
  border-radius: var(--radius);
  background: #fff;
}

.factory-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: cover;
}

.factory-card > div {
  padding: 24px;
}

.factory-card h3 {
  margin: 14px 0 12px;
  font-size: 26px;
  line-height: 1.15;
}

.factory-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.category-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(11, 18, 32, 0.12);
  border: 1px solid rgba(11, 18, 32, 0.1);
  border-radius: var(--radius);
  overflow: hidden;
}

.category-tile {
  min-height: 520px;
  display: grid;
  grid-template-rows: minmax(210px, 0.8fr) auto;
  padding: 28px;
  background: #fff;
  overflow: hidden;
}

.category-visual {
  min-height: 240px;
  display: grid;
  place-items: center;
}

.category-tile h3 {
  margin: 0;
  font-size: 28px;
}

.category-tile p {
  margin: 10px 0 22px;
  color: var(--muted);
  line-height: 1.7;
}

.category-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid rgba(11, 18, 32, 0.1);
}

.wide-product {
  min-height: 82dvh;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.6fr);
  gap: 40px;
  align-items: center;
}

.featured-product-section {
  background:
    radial-gradient(circle at 43% 42%, rgba(96, 133, 255, 0.18), transparent 24rem),
    linear-gradient(135deg, #05080d, #0b111d 58%, #05080d);
}

.wide-visual {
  min-height: 420px;
  display: grid;
  place-items: center;
}

.wide-copy h2 {
  margin: 0;
  font-size: clamp(38px, 6vw, 86px);
  line-height: 0.98;
}

.wide-copy p {
  max-width: 580px;
  margin: 18px 0 28px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.8;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  overflow: hidden;
}

.spec-grid.light {
  background: rgba(11, 18, 32, 0.08);
  border-color: rgba(11, 18, 32, 0.1);
}

.spec {
  min-height: 96px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.spec-grid.light .spec {
  background: rgba(255, 255, 255, 0.9);
}

.spec strong {
  display: block;
  font-size: 26px;
  line-height: 1;
}

.spec span {
  display: block;
  margin-top: 9px;
  color: inherit;
  opacity: 0.62;
  font-size: 13px;
}

.page-hero {
  min-height: 72dvh;
  display: grid;
  align-items: end;
  padding: 138px 0 60px;
  color: #fff;
  background:
    radial-gradient(circle at 72% 28%, rgba(75, 114, 255, 0.42), transparent 28rem),
    linear-gradient(135deg, #050911, #172033 58%, #0a0f18);
  overflow: hidden;
}

.page-hero.light {
  color: var(--ink);
  background:
    radial-gradient(circle at 70% 32%, rgba(75, 114, 255, 0.2), transparent 28rem),
    linear-gradient(180deg, #f8fbff, #e2e9f2);
}

.page-hero-grid {
  width: min(1240px, calc(100vw - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 0.65fr);
  gap: 40px;
  align-items: end;
}

.page-banner {
  position: relative;
  min-height: 62dvh;
  align-items: center;
  padding: 126px 0 70px;
  color: var(--ink);
  isolation: isolate;
  background: #eef3f9;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(247, 250, 254, 0.96) 0%, rgba(247, 250, 254, 0.84) 35%, rgba(247, 250, 254, 0.3) 68%, rgba(247, 250, 254, 0.06) 100%),
    linear-gradient(180deg, rgba(247, 250, 254, 0.24), rgba(218, 228, 241, 0.18));
}

.page-banner .banner-stage {
  z-index: 0;
}

.page-banner-content {
  position: relative;
  z-index: 2;
  width: min(1240px, calc(100vw - 40px));
  margin: 0 auto;
}

.page-banner-copy {
  width: min(650px, 52vw);
}

.page-banner p {
  margin-left: 0;
  margin-right: 0;
}

.page-banner-actions {
  justify-content: flex-start;
}

.product-line {
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.multi-product-line {
  justify-content: flex-end;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.product-card {
  min-height: 420px;
  display: grid;
  grid-template-rows: 220px 1fr;
  padding: 20px;
  background: #fff;
  border: 1px solid rgba(11, 18, 32, 0.1);
  border-radius: var(--radius);
  color: var(--ink);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card-media {
  min-height: 210px;
  display: grid;
  place-items: center;
  margin: -8px -4px 10px;
  border-radius: 6px;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.96), transparent 9rem),
    linear-gradient(180deg, #f6f9fd, #e8eef6);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 46px rgba(13, 24, 45, 0.12);
}

.product-card h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.product-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.product-card footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(11, 18, 32, 0.1);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(56, 107, 255, 0.1);
  color: #204dde;
  font-size: 12px;
  white-space: nowrap;
}

.subnav {
  position: sticky;
  top: 72px;
  z-index: 30;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(247, 250, 254, 0.88);
  border-bottom: 1px solid rgba(11, 18, 32, 0.08);
  backdrop-filter: blur(18px);
}

.subnav-inner {
  width: min(1240px, calc(100vw - 40px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  overflow-x: auto;
}

.subnav strong,
.subnav a {
  white-space: nowrap;
}

.subnav a {
  color: var(--muted);
  font-size: 14px;
}

.feature-panel {
  min-height: 86dvh;
  display: grid;
  align-items: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.7fr);
  gap: 58px;
  align-items: center;
}

.feature-copy h2 {
  margin: 0;
  font-size: clamp(34px, 5.2vw, 78px);
  line-height: 1.02;
}

.feature-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.feature-points {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.feature-points li {
  display: flex;
  gap: 10px;
  align-items: center;
  color: #273247;
}

.feature-points li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.feature-visual {
  min-height: 500px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.95), transparent 21rem),
    linear-gradient(160deg, #dfe7f2, #f9fbff);
  overflow: hidden;
}

.product-overview {
  background: #f7f9fc;
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.62fr);
  gap: 44px;
  align-items: center;
}

.overview-copy h2 {
  margin: 0;
  font-size: clamp(34px, 5.4vw, 76px);
  line-height: 1.02;
}

.overview-copy p {
  max-width: 720px;
  margin: 20px 0 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 18px;
}

.overview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.overview-panel {
  padding: 26px;
  border: 1px solid rgba(11, 18, 32, 0.1);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 18px 48px rgba(13, 24, 45, 0.08);
}

.overview-panel h3 {
  margin: 14px 0 8px;
  font-size: 28px;
}

.overview-panel > p {
  margin: 0 0 18px;
  color: var(--muted);
}

.color-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.color-chip {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid rgba(11, 18, 32, 0.1);
  border-radius: 999px;
  color: #273247;
  font-size: 13px;
}

.color-chip i {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--chip);
  border: 1px solid rgba(11, 18, 32, 0.14);
}

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

.spec-grid.compact .spec {
  min-height: 78px;
  padding: 14px;
}

.use-case-section {
  background: #eef3f9;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(11, 18, 32, 0.1);
  border-radius: var(--radius);
  background: rgba(11, 18, 32, 0.1);
}

.use-case {
  min-height: 240px;
  padding: 26px;
  background: #fff;
}

.use-case span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.use-case h3 {
  margin: 42px 0 12px;
  font-size: 28px;
}

.use-case p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.specs-section {
  background: #f8fbff;
}

.package-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid rgba(11, 18, 32, 0.1);
  border-radius: var(--radius);
  background: rgba(11, 18, 32, 0.08);
}

.package-list div {
  min-height: 94px;
  padding: 18px;
  background: #fff;
}

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

.package-list span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.dark-feature {
  color: #fff;
  background: #070b12;
}

.dark-feature .feature-copy p,
.dark-feature .feature-points li {
  color: rgba(255, 255, 255, 0.7);
}

.dark-feature .feature-visual {
  background:
    radial-gradient(circle at 50% 40%, rgba(89, 125, 255, 0.24), transparent 24rem),
    linear-gradient(160deg, #111a27, #05080d);
}

.lead-band {
  padding: 82px 0;
  background:
    radial-gradient(circle at 90% 20%, rgba(56, 107, 255, 0.26), transparent 28rem),
    linear-gradient(135deg, #101722, #05080d);
  color: #fff;
}

.lead-grid {
  width: min(1140px, calc(100vw - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.65fr);
  gap: 44px;
  align-items: center;
}

.lead-grid h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1;
}

.lead-grid p {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.8;
}

.form-panel {
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  color: inherit;
  opacity: 0.72;
  font-size: 13px;
}

.field-help {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.upload-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.upload-row span {
  color: var(--muted);
  font-size: 12px;
}

.upload-btn {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(11, 18, 32, 0.12);
  border-radius: 999px;
  padding: 0 12px;
  background: #fff;
  color: var(--ink);
  opacity: 1;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.upload-btn:hover {
  background: #eef3f9;
}

.upload-btn input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.input,
.select,
.textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid rgba(11, 18, 32, 0.12);
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

.textarea {
  min-height: 94px;
  resize: vertical;
}

.form-panel .input,
.form-panel .select,
.form-panel .textarea {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.92);
}

.notice {
  min-height: 24px;
  color: #7cf2c8;
  font-size: 14px;
}

.news-grid,
.service-grid,
.store-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.info-card {
  min-height: 220px;
  padding: 24px;
  background: #fff;
  border: 1px solid rgba(11, 18, 32, 0.1);
  border-radius: var(--radius);
}

.info-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.site-footer {
  color: var(--ink);
  background: #f8fbff;
  border-top: 1px solid rgba(11, 18, 32, 0.08);
  padding: 54px 0 34px;
}

.seo-content {
  padding: 34px 0;
  background: #f8fbff;
  border-top: 1px solid rgba(11, 18, 32, 0.06);
}

.seo-content h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.seo-content p {
  max-width: 860px;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 14px;
}

.footer-inner {
  width: min(1240px, calc(100vw - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
}

.footer-brand {
  margin-left: -14px;
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.footer-note {
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
}

.admin-shell {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  background: #eef2f8;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100dvh;
  padding: 24px;
  color: #fff;
  background: #0b1220;
}

.admin-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 30px;
}

.admin-brand strong {
  letter-spacing: 0.08em;
}

.admin-nav {
  display: grid;
  gap: 8px;
}

.admin-nav button,
.admin-logout {
  min-height: 44px;
  width: 100%;
  border: 0;
  border-radius: 6px;
  padding: 0 12px;
  background: transparent;
  color: rgba(255, 255, 255, 0.68);
  text-align: left;
}

.admin-nav button.active,
.admin-nav button:hover,
.admin-logout:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.admin-main {
  min-width: 0;
  padding: 28px;
}

.admin-topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-bottom: 22px;
}

.admin-topbar h1 {
  margin: 0;
  font-size: 30px;
}

.admin-topbar p {
  margin: 6px 0 0;
  color: var(--muted);
}

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

.admin-card {
  padding: 18px;
  background: #fff;
  border: 1px solid rgba(11, 18, 32, 0.08);
  border-radius: var(--radius);
}

.admin-banner-preview {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 12px 0 14px;
  overflow: hidden;
  border-radius: 8px;
  background: #edf2f7;
}

.admin-banner-preview img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.factory-preview {
  aspect-ratio: 16 / 10;
}

.factory-items-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 16px;
}

.factory-admin-card {
  display: grid;
  gap: 14px;
  align-content: start;
}

.admin-locale-group {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(11, 18, 32, 0.08);
  border-radius: 8px;
  background: #f8fbff;
}

.admin-locale-group strong {
  font-size: 14px;
}

.admin-section-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.factory-section-form {
  margin-top: 12px;
}

.admin-card strong {
  display: block;
  font-size: 30px;
}

.admin-card span {
  color: var(--muted);
  font-size: 13px;
}

.admin-section {
  margin-top: 18px;
  padding: 20px;
  background: #fff;
  border: 1px solid rgba(11, 18, 32, 0.08);
  border-radius: var(--radius);
}

.admin-section-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
}

.admin-section-header h2 {
  margin: 0;
  font-size: 20px;
}

.table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 13px 10px;
  border-bottom: 1px solid rgba(11, 18, 32, 0.08);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

.admin-table th {
  color: var(--muted);
  font-weight: 600;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.small-btn {
  min-height: 32px;
  border: 1px solid rgba(11, 18, 32, 0.12);
  border-radius: 6px;
  padding: 0 10px;
  background: #fff;
  color: var(--ink);
}

.small-btn.danger {
  color: #b42318;
  border-color: rgba(180, 35, 24, 0.25);
}

.login-page {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 80% 18%, rgba(56, 107, 255, 0.28), transparent 28rem),
    linear-gradient(145deg, #080d16, #172033);
  color: #fff;
}

.login-card {
  width: min(430px, 100%);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.login-card h1 {
  margin: 0 0 10px;
}

.login-card p {
  margin: 0 0 22px;
  color: rgba(255, 255, 255, 0.68);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(5, 8, 13, 0.58);
}

.modal-panel {
  width: min(760px, 100%);
  max-height: min(840px, calc(100dvh - 40px));
  overflow: auto;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.modal-header {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: #fff;
  border-bottom: 1px solid rgba(11, 18, 32, 0.08);
}

.modal-header h2 {
  margin: 0;
  font-size: 20px;
}

.modal-body {
  display: grid;
  gap: 14px;
  padding: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.form-grid .span-2 {
  grid-column: 1 / -1;
}

.empty-state {
  padding: 38px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed rgba(11, 18, 32, 0.16);
  border-radius: var(--radius);
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
  max-width: min(420px, calc(100vw - 40px));
  padding: 13px 16px;
  border-radius: 6px;
  background: #0b1220;
  color: #fff;
  box-shadow: var(--shadow);
}

@media (max-width: 1100px) {
  .main-nav,
  .nav-actions .text-link {
    display: none;
  }

  .mobile-menu-button {
    display: inline-grid;
    place-items: center;
  }

  .nav-inner {
    grid-template-columns: 1fr auto auto;
    padding: 0 20px;
  }

  .product-rail {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .home-hero .hero-copy {
    width: min(560px, 60vw);
  }

  .page-banner-copy {
    width: min(560px, 60vw);
  }

  .banner-rail {
    width: min(560px, 100%);
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .category-showcase,
  .factory-grid,
  .product-list,
  .news-grid,
  .service-grid,
  .store-grid,
  .admin-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .wide-product,
  .page-hero-grid,
  .feature-grid,
  .overview-grid,
  .lead-grid,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .product-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .use-case-grid,
  .package-list {
    grid-template-columns: 1fr;
  }

  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
    height: auto;
  }

  .admin-nav {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 720px) {
  .hero-content {
    padding-top: 96px;
  }

  .hero-copy {
    padding-top: 30px;
  }

  .home-hero::after {
    background:
      linear-gradient(180deg, rgba(247, 250, 254, 0.96) 0%, rgba(247, 250, 254, 0.74) 48%, rgba(247, 250, 254, 0.22) 100%),
      linear-gradient(90deg, rgba(247, 250, 254, 0.92), rgba(247, 250, 254, 0.2));
  }

  .home-hero .banner-image {
    object-position: 61% center;
  }

  .page-banner::before {
    background:
      linear-gradient(180deg, rgba(247, 250, 254, 0.96) 0%, rgba(247, 250, 254, 0.78) 52%, rgba(247, 250, 254, 0.24) 100%),
      linear-gradient(90deg, rgba(247, 250, 254, 0.94), rgba(247, 250, 254, 0.26));
  }

  .page-banner .banner-image {
    object-position: 61% center;
  }

  .page-banner {
    min-height: 74dvh;
    padding: 110px 0 52px;
  }

  .page-banner-copy {
    width: 100%;
  }

  .home-hero .hero-content {
    padding-top: 92px;
  }

  .home-hero .hero-copy {
    width: 100%;
    align-self: start;
    padding-top: 32px;
  }

  .home-hero h1 {
    font-size: clamp(42px, 13vw, 64px);
  }

  .product-stage {
    inset: 44vh 0 22vh;
  }

  .product-detail-hero .product-stage {
    inset: 40vh 0 18vh;
  }

  .hero-render {
    --visual-width: min(90vw, 500px);
  }

  .product-detail-hero .hero-render {
    --visual-width: min(86vw, 430px);
  }

  .page-render,
  .showcase-render,
  .feature-render {
    --visual-width: min(92vw, 440px);
  }

  .product-line,
  .wide-visual,
  .feature-visual {
    min-height: 300px;
  }

  .product-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 10px;
  }

  .banner-rail {
    width: 100%;
  }

  .section {
    padding: 66px 0;
  }

  .category-showcase,
  .factory-grid,
  .product-list,
  .news-grid,
  .service-grid,
  .store-grid,
  .spec-grid,
  .spec-grid.compact,
  .admin-grid,
  .factory-items-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .category-tile {
    min-height: 440px;
  }

  .product-card {
    min-height: 390px;
    grid-template-rows: 205px 1fr;
  }

  .overview-panel,
  .use-case,
  .package-list div {
    padding: 18px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .admin-main {
    padding: 18px;
  }

  .admin-nav {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-hero {
    min-height: 86dvh;
  }
}