:root {
  --ink: #111821;
  --muted: #64717c;
  --line: rgba(27, 42, 54, 0.12);
  --paper: #eef3f5;
  --white: #ffffff;
  --teal: #0f766d;
  --teal-deep: #0b4f4a;
  --blue: #315f96;
  --gold: #d9b46a;
  --rose: #d99aa7;
  --shadow: 0 28px 90px rgba(26, 40, 54, 0.18);
  --soft-shadow: 0 18px 54px rgba(26, 40, 54, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 6%, rgba(217, 180, 106, 0.18), transparent 28%),
    radial-gradient(circle at 84% 18%, rgba(49, 95, 150, 0.14), transparent 34%),
    linear-gradient(180deg, #f7fafb 0%, var(--paper) 38%, #f8faf9 100%);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 20;
  display: flex;
  width: min(1120px, calc(100% - 32px));
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 14px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  box-shadow: 0 14px 42px rgba(34, 49, 62, 0.14);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--teal), var(--blue));
  border-radius: 8px;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
  white-space: nowrap;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

nav a {
  padding: 8px 12px;
  color: #33424d;
  border-radius: 8px;
  font-size: 14px;
}

nav a:hover {
  background: rgba(15, 118, 109, 0.09);
}

.panel-shadow {
  box-shadow: var(--shadow);
}

.glass-card {
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  box-shadow: var(--soft-shadow);
  backdrop-filter: blur(20px);
}

.hero {
  position: relative;
  display: grid;
  min-height: 100vh;
  align-items: center;
  overflow: hidden;
  padding: 118px clamp(18px, 6vw, 86px) 42px;
  background: linear-gradient(135deg, #dfe8ec, #f9fbfb 54%, #e9f1f3);
}

.hero-bg {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center end;
  padding: 9vh 4vw 2vh 32vw;
  opacity: 0.92;
}

.hero-bg img {
  width: min(940px, 82vw);
  filter: drop-shadow(0 42px 54px rgba(32, 40, 48, 0.26));
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(239, 246, 248, 0.98) 0%, rgba(239, 246, 248, 0.76) 40%, rgba(239, 246, 248, 0.08) 78%),
    linear-gradient(180deg, rgba(12, 20, 27, 0.06), transparent 42%);
}

.hero-glass {
  position: relative;
  z-index: 1;
  max-width: 560px;
  padding: clamp(24px, 4vw, 46px);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 8px;
  box-shadow: 0 24px 90px rgba(38, 56, 68, 0.18);
  backdrop-filter: blur(20px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(54px, 8vw, 98px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.18;
}

.hero-glass p:not(.eyebrow) {
  color: #374852;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid var(--teal);
  border-radius: 8px;
  font-weight: 900;
}

.button.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--teal), var(--teal-deep));
  box-shadow: 0 14px 32px rgba(15, 118, 109, 0.26);
}

.button.ghost {
  color: var(--teal-deep);
  background: rgba(255, 255, 255, 0.52);
}

.button.wide { width: 100%; }

.proof-strip {
  position: absolute;
  right: clamp(18px, 5vw, 72px);
  bottom: 28px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  max-width: 720px;
}

.proof-strip span {
  padding: 10px 14px;
  color: #20303a;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(39, 52, 62, 0.1);
  backdrop-filter: blur(14px);
  font-weight: 800;
}

.section {
  padding: clamp(68px, 9vw, 128px) clamp(18px, 6vw, 86px);
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.product-stage {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0));
}

.showcase {
  position: relative;
  display: grid;
  min-height: 74vh;
  align-items: center;
  overflow: hidden;
  padding: clamp(24px, 5vw, 60px);
  background:
    linear-gradient(135deg, rgba(13, 31, 42, 0.92), rgba(47, 87, 120, 0.58)),
    radial-gradient(circle at 78% 30%, rgba(217, 180, 106, 0.3), transparent 28%);
  border-radius: 8px;
}

.showcase img {
  position: absolute;
  right: -4%;
  bottom: 0;
  width: min(860px, 76vw);
  filter: drop-shadow(0 42px 58px rgba(0, 0, 0, 0.36));
}

.showcase-copy {
  position: relative;
  z-index: 1;
  max-width: 390px;
  padding: 28px;
}

.showcase-copy p {
  color: #40505b;
}

.mini-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
}

.mini-list div,
.contact-panel dl div {
  display: grid;
  gap: 2px;
}

dt {
  color: var(--muted);
  font-size: 13px;
}

dd {
  margin: 0;
  font-weight: 900;
}

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

.product-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 8px;
  box-shadow: var(--soft-shadow);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1.28 / 1;
  object-fit: cover;
  background: #eef4f7;
}

.product-card div {
  padding: 22px;
}

.product-card p,
.contact p {
  color: var(--muted);
}

.color-series {
  background: linear-gradient(180deg, rgba(255,255,255,0.58), rgba(247,250,251,0.22));
}

.series-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.series-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 8px;
}

.series-card img {
  width: 100%;
  aspect-ratio: 1.35 / 1;
  object-fit: cover;
}

.series-copy {
  padding: 22px;
}

.series-copy p {
  color: var(--muted);
}

.factory {
  background: linear-gradient(180deg, rgba(255,255,255,0.58), rgba(238,243,245,0.2));
}

.factory-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 20px;
  align-items: stretch;
}

.factory-photo {
  overflow: hidden;
  border-radius: 8px;
}

.factory-photo img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}

.metric-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  overflow: hidden;
  padding: 1px;
}

.metric-board div {
  display: grid;
  align-content: center;
  min-height: 180px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.42);
}

.metric-board strong {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1;
}

.metric-board span {
  color: var(--muted);
}

.craft {
  background: linear-gradient(135deg, #102026, #1e3941);
  color: var(--white);
}

.craft .eyebrow {
  color: var(--gold);
}

.craft-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.craft-card {
  min-height: 132px;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  font-size: 20px;
  font-weight: 900;
  text-align: center;
}

.custom {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.52));
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  background: rgba(19, 45, 55, 0.18);
  border-radius: 8px;
}

.steps div {
  min-height: 230px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.76);
}

.steps span {
  display: block;
  margin-bottom: 46px;
  color: var(--teal);
  font-weight: 900;
}

.steps strong {
  display: block;
  margin-bottom: 12px;
  font-size: 26px;
}

.steps p {
  color: var(--muted);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.gallery-card {
  display: grid;
  min-height: 360px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 8px;
  box-shadow: var(--soft-shadow);
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 24px 40px rgba(28, 40, 52, 0.16));
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 7vw, 92px);
  align-items: start;
}

.contact-panel {
  padding: 30px;
}

.contact-panel dl {
  display: grid;
  gap: 18px;
  margin: 0 0 26px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 6vw, 86px);
  color: rgba(255, 255, 255, 0.72);
  background: #111821;
  font-size: 14px;
}

@media (max-width: 960px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .hero-bg {
    padding: 28vh 0 0 0;
    place-items: end center;
  }

  .hero::after {
    background: linear-gradient(180deg, rgba(239, 246, 248, 0.98) 0%, rgba(239, 246, 248, 0.88) 42%, rgba(239, 246, 248, 0.26) 100%);
  }

  .proof-strip {
    position: relative;
    right: auto;
    bottom: auto;
    justify-content: flex-start;
    margin-top: 22px;
  }

  .showcase img {
    right: -22%;
    width: 96vw;
    opacity: 0.82;
  }

  .product-grid,
  .factory-layout,
  .contact {
    grid-template-columns: 1fr;
  }

  .craft-grid,
  .series-grid,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
  }

  .brand strong {
    white-space: normal;
  }

  .hero {
    padding-top: 150px;
  }

  .hero-glass {
    padding: 22px;
  }

  h1 {
    font-size: clamp(46px, 18vw, 68px);
  }

  .showcase {
    min-height: 78vh;
    align-items: start;
  }

  .showcase img {
    right: -42%;
    bottom: 4%;
    width: 128vw;
  }

  .product-grid,
  .series-grid,
  .craft-grid,
  .steps,
  .gallery,
  .metric-board {
    grid-template-columns: 1fr;
  }

  .gallery-card {
    min-height: 300px;
    padding: 18px;
  }

  .proof-card {
    left: 18px;
    right: 18px;
    bottom: 18px;
  }

  footer {
    flex-direction: column;
  }
}