:root {
  --bg: #f6f8f7;
  --paper: #ffffff;
  --ink: #182027;
  --muted: #5f6f7b;
  --line: #dce4e8;
  --steel: #276c88;
  --steel-dark: #17445b;
  --amber: #c66b1d;
  --green: #16725d;
  --shadow: 0 18px 42px rgba(24, 32, 39, 0.12);
  --radius: 8px;
  --max: 1180px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
  padding: 12px max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(246, 248, 247, 0.92);
  border-bottom: 1px solid rgba(220, 228, 232, 0.78);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  background: var(--steel-dark);
  border-radius: 6px;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
}

.brand strong {
  font-size: 16px;
}

.brand small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  color: #0f5f4c;
  font-size: 15px;
  font-weight: 800;
  white-space: nowrap;
  background: #eef8f4;
  border: 1px solid rgba(22, 114, 93, 0.28);
  border-radius: 6px;
  box-shadow: 0 8px 18px rgba(22, 114, 93, 0.1);
}

.header-phone:hover {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}

.site-nav {
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: 6px;
}

.site-nav a {
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 6px;
  color: #33414b;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover {
  background: #e9eff1;
  color: var(--steel-dark);
}

.site-nav .nav-phone {
  display: inline-flex;
  align-items: center;
  color: #0f5f4c;
  background: #eef8f4;
  border: 1px solid rgba(22, 114, 93, 0.22);
  white-space: nowrap;
}

.site-nav .nav-phone:hover {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}

.site-nav .nav-business {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #873f08;
  background: #fff7ed;
  border: 1px solid rgba(198, 107, 29, 0.36);
  box-shadow: 0 5px 14px rgba(198, 107, 29, 0.1);
}

.site-nav .nav-business::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--amber);
  border-radius: 999px;
  box-shadow: 0 0 0 3px rgba(198, 107, 29, 0.14);
}

.site-nav .nav-business:hover {
  color: #fff;
  background: var(--amber);
  border-color: var(--amber);
}

.site-nav .nav-business:hover::before {
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.24);
}

.site-nav .nav-cta {
  margin-left: 8px;
  color: #fff;
  background: var(--ink);
}

.site-nav .nav-cta:hover {
  color: #fff;
  background: var(--steel-dark);
}

.site-nav .lang-switch {
  min-width: 48px;
  text-align: center;
  color: var(--steel-dark);
  background: var(--paper);
  border: 1px solid var(--line);
}

.site-nav .lang-switch:hover {
  color: #fff;
  background: var(--steel);
  border-color: var(--steel);
}

html[lang^="en"] body {
  font-family: "Segoe UI", Arial, sans-serif;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 4px;
  width: 54px;
  height: 42px;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
}

.nav-toggle b {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.hero {
  min-height: min(760px, calc(100svh - 38px));
  display: flex;
  align-items: stretch;
  background-color: #f4f7f7;
  background-image: url("assets/palletizer-hero.jpg");
  background-repeat: no-repeat;
  background-position: right max(28px, calc((100vw - var(--max)) / 2)) center;
  background-size: min(46vw, 640px) auto;
  border-bottom: 1px solid var(--line);
}

.machining-page .hero {
  background-image: url("assets/cnc-turning-shaft.jpg");
  background-size: min(46vw, 640px) auto;
}

.hero-inner {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: clamp(78px, 12vh, 134px) 0 42px;
}

body:not(.machining-page) .hero-inner {
  max-width: min(var(--max), calc(100% - 48px));
}

@media (min-width: 901px) {
  .hero {
    position: relative;
    overflow: hidden;
    background-image: none;
  }

  .hero::before {
    content: "";
    position: absolute;
    right: max(28px, calc((100vw - var(--max)) / 2));
    top: 50%;
    z-index: 0;
    width: min(44vw, 620px);
    aspect-ratio: 16 / 9;
    background: url("assets/palletizer-hero.jpg") center / contain no-repeat;
    transform: translateY(-50%);
    pointer-events: none;
  }

  .machining-page .hero::before {
    background-image: url("assets/cnc-turning-shaft.jpg");
  }

  .hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 520px) minmax(420px, 1fr);
    column-gap: clamp(56px, 7vw, 104px);
  }

  .hero-inner > * {
    grid-column: 1;
  }

  body:not(.machining-page) .hero h1 {
    max-width: 520px;
    font-size: clamp(40px, 4.5vw, 60px);
  }

  body:not(.machining-page) .hero-copy,
  body:not(.machining-page) .hero-actions,
  body:not(.machining-page) .hero-badges {
    max-width: 520px;
  }
}

.eyebrow,
.section-kicker,
.case-type {
  margin: 0 0 14px;
  color: var(--steel);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(42px, 5.6vw, 72px);
  line-height: 1.03;
  letter-spacing: 0;
}

body:not(.machining-page) .hero h1 {
  max-width: 520px;
  font-size: clamp(40px, 5vw, 64px);
}

.hero-copy {
  max-width: 580px;
  margin: 24px 0 0;
  color: #35464f;
  font-size: clamp(17px, 2.2vw, 22px);
}

body:not(.machining-page) .hero-copy,
body:not(.machining-page) .hero-badges {
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 720px;
  margin-top: 18px;
}

.hero-badges span,
.hero-badges a {
  padding: 7px 10px;
  color: #24414f;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.btn.primary {
  color: #fff;
  background: var(--amber);
}

.btn.primary:hover {
  background: #a95512;
}

.btn.secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
  border-color: var(--line);
}

.btn.secondary:hover {
  border-color: var(--steel);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 740px;
  margin: clamp(54px, 13vh, 116px) 0 0;
}

.hero-metrics div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-metrics dt {
  margin: 0;
  color: var(--steel-dark);
  font-size: 24px;
  font-weight: 900;
  line-height: 1.1;
}

.hero-metrics dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  max-width: var(--max);
  margin: -28px auto 0;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.strip-item {
  min-height: 56px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--steel-dark);
  font-size: 14px;
  font-weight: 800;
}

.strip-item:hover,
.strip-item:focus-visible {
  color: #fff;
  background: var(--steel);
  outline: none;
}

.strip-item:first-child {
  border-radius: var(--radius) 0 0 var(--radius);
}

.strip-item:last-child {
  border-radius: 0 var(--radius) var(--radius) 0;
}

.section {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 88px 0;
}

.intro-grid,
.section-head,
.quality-section,
.inquiry-section {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 56px;
  align-items: start;
}

.intro h2,
.section h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

.intro p,
.section-head p,
.quality-copy p,
.inquiry-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.intro-note {
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 20px rgba(24, 32, 39, 0.06);
}

.intro-note strong {
  color: var(--steel-dark);
  font-size: 18px;
}

.capability-section,
.case-section,
.process-section,
.business-section,
.product-section,
.inquiry-section,
.map-section,
.faq-section,
.spec-section.section {
  border-top: 1px solid var(--line);
}

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

.business-grid,
.seo-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.business-card {
  min-height: 270px;
  padding: 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(24, 32, 39, 0.08);
}

.route-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.business-card img {
  width: calc(100% + 52px);
  max-width: none;
  height: 190px;
  margin: -26px -26px 22px;
  object-fit: cover;
  background: #e7ecef;
  border-bottom: 1px solid var(--line);
}

.business-card h3 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.16;
}

.business-card p:not(.case-type) {
  margin: 14px 0 0;
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  margin-top: 22px;
  color: var(--steel-dark);
  font-weight: 900;
}

.text-link:hover {
  color: var(--amber);
}

.seo-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 22px;
  list-style: none;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(24, 32, 39, 0.08);
}

.seo-list li {
  position: relative;
  padding-left: 18px;
  color: #34454f;
  font-weight: 700;
}

.seo-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
}

.product-lead {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 28px;
  align-items: stretch;
  padding: 30px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.spec-section:not(.section) {
  margin-top: 18px;
}

.spec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: 24px;
  align-items: end;
  padding: 24px;
  background: #eef3f2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.spec-head h3 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.16;
}

.spec-head p:not(.case-type) {
  margin: 0;
  color: var(--muted);
}

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

.spec-card {
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(24, 32, 39, 0.08);
}

.spec-card h4 {
  margin: 0 0 16px;
  color: var(--steel-dark);
  font-size: 20px;
}

.spec-card dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.spec-card dl div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.spec-card dt {
  color: var(--ink);
  font-weight: 900;
}

.spec-card dd {
  margin: 0;
  color: var(--muted);
}

.product-lead h3 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.16;
}

.product-lead p {
  margin: 14px 0 0;
  color: var(--muted);
}

.product-lead ul,
.product-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-lead li,
.product-card li {
  position: relative;
  padding-left: 18px;
  color: #34454f;
}

.product-lead li::before,
.product-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--amber);
  border-radius: 50%;
}

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

.product-card {
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(24, 32, 39, 0.08);
}

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

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

.product-card p:not(.case-type) {
  margin: 12px 0 18px;
  color: var(--muted);
}

.daily-video-section {
  padding-top: 54px;
}

.featured-video-card {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 26px;
  align-items: center;
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(24, 32, 39, 0.08);
}

.featured-video-card video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #101820;
  border-radius: 6px;
}

.featured-video-card h3 {
  margin: 8px 0 10px;
  font-size: 24px;
}

.featured-video-card p:not(.case-type) {
  margin: 0 0 16px;
  color: var(--muted);
}

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

.media-card {
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(24, 32, 39, 0.08);
}

.media-card.featured-material {
  grid-column: 1 / -1;
}

.media-card.featured-material video {
  aspect-ratio: 16 / 9;
}

.media-card img,
.media-card video {
  width: 100%;
  aspect-ratio: 1.45;
  object-fit: cover;
  background: #e7ecef;
  border-bottom: 1px solid var(--line);
}

.media-card video {
  object-fit: contain;
  background: #101820;
}

img[src$="shaft-threaded-roller.png"] {
  object-fit: contain;
  background: #c1c8d3;
}

.shaft-wide-card {
  grid-column: 1 / -1;
}

.media-card.shaft-wide-card img,
.case-card.shaft-wide-card img {
  aspect-ratio: 1467 / 482;
  object-fit: contain;
  background: #c1c8d3;
}

.case-card.shaft-wide-card {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 0.8fr);
  align-items: stretch;
}

.case-card.shaft-wide-card img {
  border-right: 1px solid var(--line);
  border-bottom: 0;
}

.case-card.shaft-wide-card > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.media-card div {
  padding: 20px;
}

.media-card h3 {
  margin: 0;
  font-size: 21px;
}

.media-card p:last-child {
  margin: 10px 0 0;
  color: var(--muted);
}

.product-photo {
  width: 100%;
  aspect-ratio: 1.55;
  object-fit: cover;
  background: #e7ecef;
  border-bottom: 1px solid var(--line);
}

.product-visual {
  position: relative;
  height: 190px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.22)),
    linear-gradient(135deg, #dde7e8, #f7f8f5);
  border-bottom: 1px solid var(--line);
}

.product-visual span {
  position: absolute;
  display: block;
  border-radius: 4px;
}

.column-visual .mast {
  left: 38%;
  bottom: 26px;
  width: 24px;
  height: 118px;
  background: var(--steel-dark);
}

.column-visual .arm {
  left: 42%;
  top: 48px;
  width: 104px;
  height: 18px;
  background: var(--steel);
}

.column-visual .tool {
  left: 68%;
  top: 64px;
  width: 38px;
  height: 34px;
  background: var(--amber);
}

.column-visual .pallet {
  left: 20%;
  right: 18%;
  bottom: 18px;
  height: 18px;
  background: #9aa7ad;
}

.gantry-visual .rail {
  left: 12%;
  right: 12%;
  top: 42px;
  height: 20px;
  background: var(--steel-dark);
}

.gantry-visual .left-post,
.gantry-visual .right-post {
  top: 56px;
  width: 20px;
  height: 105px;
  background: var(--steel);
}

.gantry-visual .left-post {
  left: 18%;
}

.gantry-visual .right-post {
  right: 18%;
}

.gantry-visual .carriage {
  left: 49%;
  top: 58px;
  width: 44px;
  height: 28px;
  background: var(--amber);
}

.gantry-visual .load {
  left: 53%;
  top: 92px;
  width: 34px;
  height: 38px;
  background: #8b9da6;
}

.line-visual .belt {
  left: 10%;
  right: 10%;
  bottom: 46px;
  height: 18px;
  background: var(--steel-dark);
}

.line-visual .case {
  bottom: 70px;
  width: 34px;
  height: 28px;
  background: var(--amber);
}

.line-visual .case.one {
  left: 18%;
}

.line-visual .case.two {
  left: 32%;
}

.line-visual .case.three {
  left: 46%;
}

.line-visual .stack {
  right: 16%;
  bottom: 66px;
  width: 58px;
  height: 58px;
  background:
    linear-gradient(90deg, transparent 48%, rgba(255,255,255,0.45) 49%, rgba(255,255,255,0.45) 52%, transparent 53%),
    linear-gradient(0deg, transparent 48%, rgba(255,255,255,0.45) 49%, rgba(255,255,255,0.45) 52%, transparent 53%),
    var(--steel);
}

.quote-checklist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 18px;
  padding: 18px;
  background: #eef3f2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.quote-checklist strong {
  margin-right: 8px;
  color: var(--steel-dark);
}

.quote-checklist span {
  padding: 6px 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #34454f;
  font-size: 13px;
  font-weight: 800;
}

.capability-tabs,
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.tab,
.filter {
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #33414b;
  background: var(--paper);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
}

.tab.is-active,
.filter.is-active {
  color: #fff;
  background: var(--steel-dark);
  border-color: var(--steel-dark);
}

.tab-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 28px;
  min-height: 430px;
  margin-top: 20px;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.tab-panel[hidden] {
  display: none;
}

.capability-copy {
  align-self: center;
  padding: clamp(28px, 5vw, 54px);
}

.capability-copy h3 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.18;
}

.capability-copy p {
  margin: 16px 0 0;
  color: var(--muted);
}

.capability-copy ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.capability-copy li {
  position: relative;
  padding-left: 18px;
  color: #34454f;
}

.capability-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--amber);
  border-radius: 50%;
}

.tab-panel img {
  width: 100%;
  height: 100%;
  max-height: 520px;
  object-fit: cover;
  background: #d8dee3;
}

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

.case-card {
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(24, 32, 39, 0.08);
}

.case-card.is-hidden {
  display: none;
}

.case-card img {
  width: 100%;
  aspect-ratio: 1.25;
  object-fit: cover;
  background: #e7ecef;
  border-bottom: 1px solid var(--line);
}

.case-card div {
  padding: 20px;
}

.case-card h3 {
  margin: 0;
  font-size: 21px;
}

.case-card p:last-child {
  margin: 10px 0 0;
  color: var(--muted);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.process-list li {
  min-height: 270px;
  padding: 26px;
  background: var(--paper);
}

.process-list span {
  display: inline-block;
  margin-bottom: 44px;
  color: var(--amber);
  font-size: 14px;
  font-weight: 900;
}

.process-list h3 {
  margin: 0;
  font-size: 22px;
}

.process-list p {
  margin: 12px 0 0;
  color: var(--muted);
}

.quality-section {
  width: 100%;
  max-width: none;
  padding: 0;
  background: #eef3f2;
}

.quality-media {
  min-height: 620px;
  background: #dfe8ea;
}

.quality-media img {
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
}

.quality-copy {
  align-self: center;
  width: min(560px, calc(100% - 48px));
  padding: 72px 0;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.quality-grid div {
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.quality-grid strong,
.quality-grid span {
  display: block;
}

.quality-grid strong {
  margin-bottom: 8px;
  color: var(--steel-dark);
}

.quality-grid span {
  color: var(--muted);
  font-size: 14px;
}

.inquiry-section {
  align-items: stretch;
}

.contact-lines {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.contact-lines a {
  color: var(--steel-dark);
  font-weight: 800;
}

.contact-lines .whatsapp-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 46px;
  padding: 12px 18px;
  color: #fff;
  background: var(--green);
  border-radius: 6px;
}

.contact-lines .whatsapp-link:hover {
  color: #fff;
  background: #0f5d4b;
}

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

.faq-list details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 20px rgba(24, 32, 39, 0.06);
}

.faq-list summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 900;
}

.faq-list p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}

.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 39;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 118px;
  min-height: 48px;
  padding: 12px 18px;
  color: #fff;
  background: var(--green);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  box-shadow: 0 16px 32px rgba(22, 114, 93, 0.28);
  font-weight: 900;
}

.floating-whatsapp:hover {
  color: #fff;
  background: #0f5d4b;
}

.map-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.55fr);
  gap: 22px;
  align-items: stretch;
}

.map-frame {
  overflow: hidden;
  min-height: 420px;
  background: #dfe8ea;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  border: 0;
}

.map-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(24, 32, 39, 0.08);
}

.map-copy h3 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.16;
}

.map-copy p:not(.case-type) {
  margin: 14px 0 0;
  color: var(--muted);
}

.map-link {
  margin-top: 24px;
  width: fit-content;
}

.inquiry-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: #26343d;
  font-size: 14px;
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form textarea,
.inquiry-form select {
  width: 100%;
  min-height: 44px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fbfcfc;
  outline: none;
}

.inquiry-form textarea {
  resize: vertical;
  min-height: 132px;
}

.inquiry-form input:focus,
.inquiry-form textarea:focus,
.inquiry-form select:focus {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(39, 108, 136, 0.14);
}

.form-submit {
  width: 100%;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 84px;
  z-index: 40;
  max-width: min(420px, calc(100vw - 44px));
  padding: 16px 18px;
  color: #fff;
  background: var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  white-space: pre-line;
}

@media (max-width: 900px) {
  .site-header {
    padding: 12px 20px;
    gap: 10px;
  }

  .brand {
    min-width: auto;
  }

  .header-phone {
    margin-left: auto;
    padding: 7px 10px;
    font-size: 13px;
  }

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

  .site-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

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

  .site-nav .nav-cta {
    margin-left: 0;
  }

  .featured-video-card {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    background-position: center 560px;
    background-size: 290px auto;
  }

  .hero-inner {
    width: calc(100% - 40px);
    max-width: var(--max);
    padding-top: 74px;
    padding-bottom: 54px;
  }

  .hero .eyebrow {
    max-width: 100%;
    line-height: 1.35;
    overflow-wrap: anywhere;
    word-break: break-all;
  }

  .hero h1,
  .hero-copy {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-all;
  }

  .hero-metrics {
    margin-top: 390px;
  }

  .hero-metrics,
  .intro-grid,
  .section-head,
  .business-grid,
  .seo-layout,
  .product-lead,
  .tab-panel,
  .quality-section,
  .inquiry-section,
  .map-layout {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 0;
    padding: 0;
  }

  .strip-item,
  .strip-item:first-child,
  .strip-item:last-child {
    border-radius: 0;
  }

  .section {
    width: min(100% - 40px, var(--max));
    padding: 66px 0;
  }

  .tab-panel {
    min-height: 0;
  }

  .tab-panel img {
    max-height: 360px;
  }

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

  .case-card.shaft-wide-card {
    grid-template-columns: 1fr;
  }

  .case-card.shaft-wide-card img {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

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

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

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

@media (max-width: 560px) {
  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .hero {
    background-position: center 548px;
    background-size: 270px auto;
  }

  .hero-inner {
    padding-bottom: 48px;
  }

  .hero h1 {
    width: 320px;
    max-width: calc(100vw - 40px);
    font-size: 31px;
    line-height: 1.08;
  }

  .hero-copy {
    width: 320px;
    max-width: calc(100vw - 40px);
    font-size: 16px;
  }

  .hero .eyebrow {
    width: 320px;
    max-width: calc(100vw - 40px);
  }

  .hero-metrics {
    margin-top: 360px;
  }

  .hero-actions,
  .hero-badges,
  .capability-tabs,
  .filter-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .product-lead,
  .spec-head,
  .business-card {
    padding: 22px;
  }

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

  .spec-card dl div {
    grid-template-columns: 1fr;
  }

  .product-visual {
    height: 170px;
  }

  .btn,
  .tab,
  .filter {
    width: 100%;
  }

  .hero-metrics,
  .process-list,
  .quality-grid {
    grid-template-columns: 1fr;
  }

  .process-list li {
    min-height: auto;
  }

  .process-list span {
    margin-bottom: 18px;
  }

  .inquiry-form {
    padding: 20px;
  }

  .map-copy {
    padding: 22px;
  }

  .map-link {
    width: 100%;
  }

  .floating-whatsapp {
    left: 20px;
    right: 20px;
    bottom: 16px;
  }

  .toast {
    bottom: 82px;
  }
}