/*
 * page-5layer.css
 * 5-Layer Co-Extrusion Blown Film Machine — page-specific styles
 * Loaded automatically by functions.php
 * Rules: no :root{} / no hardcoded colors or spacing / no !important
 * All tokens from Global.css
 */

/* ============================================================
   S1 — HERO
   ============================================================ */

@keyframes fiveHeroBreath {
  0%   { transform: scale(1.00); }
  50%  { transform: scale(1.06); }
  100% { transform: scale(1.00); }
}

.five-hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: var(--sp-8) 0 0;
  background: #fff;
}

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

.five-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  position: absolute;
  inset: 0;
  animation: fiveHeroBreath 12s ease-in-out infinite;
  will-change: transform;
}

.five-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(11, 13, 16, 0.88) 0%,
    rgba(11, 13, 16, 0.62) 55%,
    rgba(11, 13, 16, 0.28) 100%
  );
}

.five-hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 59px,
      rgba(255,255,255,0.025) 59px, rgba(255,255,255,0.025) 60px),
    repeating-linear-gradient(90deg, transparent, transparent 59px,
      rgba(255,255,255,0.025) 59px, rgba(255,255,255,0.025) 60px);
  pointer-events: none;
  z-index: 0;
}

.five-hero .container {
  position: relative;
  z-index: 1;
}

.five-hero__inner {
  max-width: 820px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding-bottom: var(--sp-6);
}

/* Badge */
.five-hero__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3em 1em;
  background: rgba(215, 25, 32, 0.12);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(215, 25, 32, 0.45);
  font-family: 'DM Mono', monospace;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 100px;
  width: fit-content;
}

/* H1 */
.five-hero__title {
  font-size: clamp(30px, 4.5vw, 54px);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin: 0;
  text-wrap: pretty;
}

.five-hero__title em {
  font-style: normal;
  display: block;
  color: rgba(255, 255, 255, 0.38);
  font-size: clamp(22px, 3vw, 38px);
  margin-top: 4px;
}

/* Sub */
.five-hero__subtitle {
  font-size: clamp(var(--text-base), 1.6vw, var(--text-md));
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.65;
  max-width: 600px;
  margin: 0;
  text-wrap: pretty;
}

/* Buttons */
.five-hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-1);
}

/* Trust bar */
.five-hero__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--r-md);
  margin-top: var(--sp-5);
  width: fit-content;
  max-width: 100%;
}

.five-hero__trust .trust-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--sp-2) var(--sp-3);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.five-hero__trust .trust-item:last-child {
  border-right: none;
}

.five-hero__trust .trust-num {
  font-family: 'DM Mono', monospace;
  font-size: var(--text-lg);
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.five-hero__trust .trust-label {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.50);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ============================================================
   S2 — WHAT THIS MACHINE PRODUCES
   ============================================================ */

.five-produces {
  padding: var(--sp-7) var(--sp-5);
}

.five-produces .container {
  max-width: 1160px;
  margin: 0 auto;
}

.five-produces__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.five-produces__card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.five-produces__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--brand);
}

.five-produces__card-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.five-produces__card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.five-produces__card:hover .five-produces__card-img img {
  transform: scale(1.03);
}

.five-produces__card-body {
  padding: var(--sp-3) var(--sp-4);
}

.five-produces__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--brand);
  background: var(--brand-tint);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: var(--sp-2);
}

.five-produces__card-body h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--sp-2);
}

.five-produces__card-body p {
  font-size: var(--text-base);
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--sp-2);
}

.five-produces__app-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.five-produces__app-list li {
  font-size: var(--text-sm);
  color: var(--gray-600);
  padding: 4px 0 4px var(--sp-3);
  position: relative;
}

.five-produces__app-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
}

.five-produces__geo {
  margin-top: var(--sp-5);
  padding: var(--sp-4);
  background: var(--gray-50);
  border-radius: var(--r-lg);
  border: 1px solid var(--gray-100);
}

.five-produces__geo p {
  font-size: var(--text-base);
  color: var(--gray-600);
  line-height: 1.8;
  margin: 0;
}

/* ============================================================
   S3 — LAYER STRUCTURE EXPLAINED
   ============================================================ */

.five-structure {
  padding: var(--sp-7) var(--sp-5);
  position: relative;
  overflow: hidden;
}

.five-structure::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 59px,
      rgba(255,255,255,0.025) 59px, rgba(255,255,255,0.025) 60px),
    repeating-linear-gradient(90deg, transparent, transparent 59px,
      rgba(255,255,255,0.025) 59px, rgba(255,255,255,0.025) 60px);
  pointer-events: none;
}

.five-structure .container {
  max-width: 1160px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.five-structure__diagrams {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
}

.five-structure__diagram-block {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r-lg);
  padding: var(--sp-4);
}

.five-structure__diagram-label {
  font-size: var(--text-base);
  font-weight: 700;
  color: rgba(255,255,255,0.90);
  margin-bottom: var(--sp-1);
}

.five-structure__diagram-subtitle {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.40);
  margin-bottom: var(--sp-3);
}

.five-structure__svg {
  width: 100%;
  height: auto;
  display: block;
}

.five-structure__table-wrap {
  margin-top: var(--sp-5);
  overflow-x: auto;
}

.five-structure__table-wrap h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: rgba(255,255,255,0.90);
  margin-bottom: var(--sp-3);
}

.five-structure__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.five-structure__table thead tr {
  background: rgba(255,255,255,0.08);
}

.five-structure__table th {
  padding: var(--sp-2) var(--sp-3);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.five-structure__table td {
  padding: var(--sp-2) var(--sp-3);
  color: rgba(255,255,255,0.70);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  vertical-align: top;
}

.five-structure__table td em {
  font-style: italic;
  color: rgba(255,255,255,0.45);
}

.five-structure__layer-code {
  font-family: 'DM Mono', monospace;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.80);
}

.five-structure__tr--highlight-evoh td {
  background: rgba(22,101,52,0.12);
}

.five-structure__geo {
  margin-top: var(--sp-5);
  padding: var(--sp-4);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
}

.five-structure__geo p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  margin: 0;
}

/* ============================================================
   S4 — TECHNICAL SPECIFICATIONS
   ============================================================ */

.five-specs {
  padding: var(--sp-7) var(--sp-5);
}

.five-specs .container {
  max-width: 1160px;
  margin: 0 auto;
}

.five-specs__machine-img {
  width: 100%;
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-top: var(--sp-5);
  margin-bottom: var(--sp-5);
  max-height: 720px;
  box-shadow: var(--shadow-lift);
}

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

.five-specs__tabs {
  display: flex;
  gap: var(--sp-1);
  margin-bottom: var(--sp-3);
  border-bottom: 2px solid var(--gray-100);
}

.five-specs__tab {
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--gray-400);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
  font-family: inherit;
}

.five-specs__tab:hover {
  color: var(--gray-800);
}

.five-specs__tab--active {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

.five-specs__tab:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.five-specs__table-wrap {
  overflow: visible;
}

.five-specs__table-wrap--hidden {
  display: none;
}

.five-specs__table-scroll {
  overflow-x: auto;
}

.five-specs__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  min-width: 760px;
}

.five-specs__table thead tr {
  background: var(--charcoal);
}

.five-specs__table th {
  padding: var(--sp-2) var(--sp-3);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.60);
}

.five-specs__table td {
  padding: var(--sp-2) var(--sp-3);
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100);
  font-size: var(--text-sm);
}

.five-specs__table tbody tr:hover td {
  background: var(--brand-subtle);
}

.five-specs__model {
  font-family: 'DM Mono', monospace;
  font-weight: 500;
  color: var(--gray-800);
}

.five-specs__note {
  margin-top: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--gray-400);
  line-height: 1.6;
  font-style: italic;
}

.five-specs__facility {
  margin-top: var(--sp-6);
  padding: var(--sp-5);
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
}

.five-specs__facility h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--sp-4);
}

.five-specs__facility-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.five-specs__facility-item {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-start;
}

.five-specs__facility-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--brand-tint);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
}

.five-specs__facility-item strong {
  display: block;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.five-specs__facility-item p {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.7;
  margin: 0;
}

/* ============================================================
   S5 — WHO THIS IS RIGHT FOR
   ============================================================ */

.five-who {
  padding: var(--sp-7) var(--sp-5);
}

.five-who .container {
  max-width: 1160px;
  margin: 0 auto;
}

.five-who__profiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
}

.five-who__card {
  padding: var(--sp-4);
  border-radius: var(--r-lg);
  border: 1px solid var(--gray-100);
  background: var(--white);
  box-shadow: var(--shadow-card);
}

.five-who__card--fit {
  border-top: 3px solid var(--green-fg);
}

.five-who__card--consider {
  border-top: 3px solid var(--amber-fg);
}

.five-who__card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-2);
}

.five-who__card--fit .five-who__card-icon {
  background: var(--green-bg);
  color: var(--green-fg);
}

.five-who__card--consider .five-who__card-icon {
  background: var(--amber-bg);
  color: var(--amber-fg);
}

.five-who__card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--sp-3);
}

.five-who__card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.five-who__card ul li {
  font-size: var(--text-base);
  color: var(--gray-600);
  line-height: 1.6;
  padding-left: var(--sp-3);
  position: relative;
}

.five-who__card--fit ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green-fg);
}

.five-who__card--consider ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--amber-fg);
}

.five-who__compare {
  margin-top: var(--sp-6);
}

.five-who__compare h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--sp-3);
}

.five-who__compare-scroll {
  overflow-x: auto;
}

.five-who__compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
  min-width: 560px;
}

.five-who__compare-table thead tr {
  background: var(--charcoal);
}

.five-who__compare-table th {
  padding: var(--sp-2) var(--sp-3);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.60);
}

.five-who__compare-table td {
  padding: var(--sp-2) var(--sp-3);
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100);
  font-size: var(--text-sm);
}

.five-who__compare-table td a {
  color: var(--brand);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.five-who__compare-table td a:hover {
  color: var(--brand-dark);
}

.five-who__compare-table td a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.five-who__compare-table--highlight td {
  background: var(--brand-subtle);
  color: var(--gray-800);
  font-weight: 600;
}

/* ============================================================
   S6 — RUNNING THIS LINE
   ============================================================ */

.five-running {
  padding: var(--sp-7) var(--sp-5);
  background: var(--white);
  border-top: 1px solid var(--gray-100);
}

.five-running .container {
  max-width: 1160px;
  margin: 0 auto;
}

.five-running__hero-img {
  width: 100%;
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--sp-6);
  max-height: 400px;
  box-shadow: var(--shadow-lift);
}

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

.five-running__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-5);
}

.five-running__block {
  padding: var(--sp-4);
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.five-running__block-icon {
  width: 40px;
  height: 40px;
  background: var(--brand-tint);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  flex-shrink: 0;
}

.five-running__block h3 {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--gray-800);
}

.five-running__block p {
  font-size: var(--text-base);
  color: var(--gray-600);
  line-height: 1.7;
  margin: 0;
}

/* ============================================================
   S7 — LAYERQUESTAR BUILD STANDARD
   ============================================================ */

.five-build {
  padding: var(--sp-7) var(--sp-5);
  position: relative;
  overflow: hidden;
}

.five-build::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 59px,
      rgba(255,255,255,0.025) 59px, rgba(255,255,255,0.025) 60px),
    repeating-linear-gradient(90deg, transparent, transparent 59px,
      rgba(255,255,255,0.025) 59px, rgba(255,255,255,0.025) 60px);
  pointer-events: none;
}

.five-build .container {
  max-width: 1160px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* FAT block */
.five-build__fat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
  align-items: center;
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-6);
  padding: var(--sp-5);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r-lg);
}

.five-build__fat-img {
  border-radius: var(--r-md);
  overflow: hidden;
  aspect-ratio: 4/3;
}

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

.five-build__fat-content h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: rgba(255,255,255,0.95);
  margin-bottom: var(--sp-3);
}

.five-build__fat-content p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  margin-bottom: var(--sp-3);
}

.five-build__fat-certs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-top: var(--sp-3);
}

.five-build__cert-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.70);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  padding: 4px 12px;
  border-radius: 100px;
}

/* Hardware cards grid */
.five-build__parts-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-3);
}

.five-build__part-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.five-build__part-card:hover {
  transform: translateY(-3px);
  border-color: rgba(215,25,32,0.50);
}

.five-build__part-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 200px;
  overflow: hidden;
  background: rgba(15, 17, 20, 0.80);
  display: flex;
  align-items: center;
  justify-content: center;
}

.five-build__part-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform 0.35s ease;
}

.five-build__part-card:hover .five-build__part-img img {
  transform: scale(1.05);
}

.five-build__part-body {
  padding: var(--sp-3);
}

.five-build__part-icon {
  width: 36px;
  height: 36px;
  background: rgba(215,25,32,0.15);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-mid);
  margin-bottom: var(--sp-2);
}

.five-build__part-body h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: rgba(255,255,255,0.90);
  margin-bottom: var(--sp-1);
  line-height: 1.3;
}

.five-build__part-body p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.50);
  line-height: 1.7;
  margin: 0;
}

/* ============================================================
   S8 — AFTER-SALES
   ============================================================ */

.five-aftersales {
  padding: var(--sp-7) var(--sp-5);
}

.five-aftersales .container {
  max-width: 1160px;
  margin: 0 auto;
}

.five-aftersales__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.five-aftersales__card {
  padding: var(--sp-4);
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.five-aftersales__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
  border-color: var(--brand);
}

.five-aftersales__card-icon {
  width: 44px;
  height: 44px;
  background: var(--brand-tint);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  margin-bottom: var(--sp-3);
}

.five-aftersales__card h3 {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--sp-2);
}

.five-aftersales__card p {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.7;
  margin: 0;
}

/* ============================================================
   S9 — RELATED CONFIGURATIONS
   ============================================================ */

.five-related {
  padding: var(--sp-7) var(--sp-5);
}

.five-related .container {
  max-width: 1160px;
  margin: 0 auto;
}

.five-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.five-related__card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
  overflow: hidden;
  text-decoration: none;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.five-related__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--brand);
}

.five-related__card--active {
  border-color: var(--brand);
  pointer-events: none;
}

.five-related__card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--gray-50);
}

.five-related__card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
  transition: transform 0.35s ease;
}

.five-related__card:hover .five-related__card-img img {
  transform: scale(1.04);
}

.five-related__card-body {
  padding: var(--sp-3) var(--sp-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.five-related__card-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--gray-400);
  text-transform: uppercase;
}

.five-related__card-badge--current {
  color: var(--brand);
}

.five-related__card-body h3 {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--gray-800);
}

.five-related__card-body p {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.6;
  flex: 1;
}

.five-related__link--muted {
  color: var(--gray-400);
  font-size: var(--text-sm);
}

/* Full range strip */
.five-related__strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-top: var(--sp-5);
  padding: var(--sp-3) var(--sp-4);
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
}

.five-related__strip-item {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-600);
  text-decoration: none;
  padding: 4px var(--sp-2);
  border-radius: var(--r-sm);
  transition: color 0.2s ease, background 0.2s ease;
}

.five-related__strip-item:hover {
  color: var(--brand);
  background: var(--brand-tint);
}

.five-related__strip-item:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.five-related__strip-item--active {
  color: var(--brand);
  background: var(--brand-tint);
  pointer-events: none;
}

.five-related__strip-sep {
  color: var(--gray-200);
  font-size: var(--text-sm);
}

/* ============================================================
   S10 — FAQ
   ============================================================ */

.five-faq {
  padding: var(--sp-7) var(--sp-5);
}

.five-faq .container {
  max-width: 1160px;
  margin: 0 auto;
}

.five-faq__list {
  margin-top: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  max-width: 860px;
}

.five-faq__item {
  border: 1px solid var(--gray-100);
  border-radius: var(--r-lg);
  background: var(--white);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.five-faq__item[open] {
  border-color: var(--brand);
}

.five-faq__q {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--gray-800);
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease;
}

.five-faq__q:hover {
  background: var(--brand-subtle);
}

.five-faq__q:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* Remove native browser marker */
summary {
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

.five-faq__chevron {
  flex-shrink: 0;
  color: var(--gray-400);
  transition: transform 0.25s ease;
}

.five-faq__item[open] .five-faq__chevron {
  transform: rotate(180deg);
}

.five-faq__a {
  padding: 0 var(--sp-4) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.five-faq__a p {
  font-size: var(--text-base);
  color: var(--gray-600);
  line-height: 1.8;
  margin: 0;
}

/* ============================================================
   S11 — FINAL CTA
   ============================================================ */

.five-cta__btns {
  display: flex;
  gap: var(--sp-2);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--sp-3);
}

/* ============================================================
   SPEC TAB JAVASCRIPT BEHAVIOUR
   ============================================================ */

/* Tab active state is toggled via JS — class already defined above */

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 960px) {

  .five-hero__inner {
    padding: var(--sp-7) var(--sp-3);
  }

  .five-hero__trust {
    gap: var(--sp-3);
    padding: var(--sp-2) var(--sp-3);
  }

  .five-produces__grid {
    grid-template-columns: 1fr;
  }

  .five-structure__diagrams {
    grid-template-columns: 1fr;
  }

  .five-specs__facility-grid {
    grid-template-columns: 1fr;
  }

  .five-who__profiles {
    grid-template-columns: 1fr;
  }

  .five-running__grid {
    grid-template-columns: 1fr;
  }

  .five-build__fat {
    grid-template-columns: 1fr;
  }

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

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

  .five-related__grid {
    grid-template-columns: 1fr;
  }

  .five-faq__list {
    max-width: 100%;
  }

}

@media (max-width: 600px) {

  .five-hero__trust {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .five-hero__divider {
    width: 100%;
    height: 1px;
  }

  .five-hero__cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .five-hero__cta-group .btn {
    text-align: center;
  }

  .five-build__parts-grid {
    grid-template-columns: 1fr;
  }

  .five-aftersales__grid {
    grid-template-columns: 1fr;
  }

  .five-cta__btns {
    flex-direction: column;
    align-items: center;
  }

  .five-related__strip {
    justify-content: flex-start;
  }

}
/* ============================================================
   S3 — CROSS-SECTION DIAGRAM (新增)
   ============================================================ */

.five-structure__cross-section {
  margin-top: var(--sp-6);
  padding: var(--sp-5);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r-lg);
}

.five-structure__cs-header {
  margin-bottom: var(--sp-4);
}

.five-structure__cs-header h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: rgba(255,255,255,0.90);
  margin-bottom: var(--sp-1);
}

.five-structure__cs-header p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.40);
  line-height: 1.6;
  margin: 0;
}

.five-structure__cs-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}

.five-structure__cs-label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: rgba(255,255,255,0.60);
  letter-spacing: 0.5px;
  margin-bottom: var(--sp-2);
}

/* 截面膜体 — 垂直堆叠 flex */
.five-structure__cs-film {
  display: flex;
  flex-direction: column;
  height: 280px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
}

/* 每一层 */
.five-structure__cs-layer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-3);
  min-height: 18px;
  transition: filter 0.2s ease;
}

.five-structure__cs-layer:hover {
  filter: brightness(1.15);
}

/* 层名 + 百分比文字 */
.five-structure__cs-layer-name {
  font-family: 'DM Mono', monospace;
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  white-space: nowrap;
}

.five-structure__cs-layer-pct {
  font-family: 'DM Mono', monospace;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
}

/* 层颜色 */
.five-structure__cs-layer--pe-outer {
  background: rgba(96,125,139,0.40);
  border-left: 3px solid rgba(176,210,230,0.70);
  border-bottom: 1px solid rgba(176,210,230,0.12);
}

.five-structure__cs-layer--tie {
  background: rgba(180,20,20,0.55);
  border-left: 3px solid rgba(239,59,66,0.80);
  border-bottom: 1px solid rgba(215,25,32,0.20);
}

.five-structure__cs-layer--evoh {
  background: rgba(22,101,52,0.60);
  border-left: 3px solid rgba(34,197,94,0.80);
  border-bottom: 1px solid rgba(34,197,94,0.20);
}

.five-structure__cs-layer--pa {
  background: rgba(37,99,235,0.55);
  border-left: 3px solid rgba(147,197,253,0.80);
  border-bottom: 1px solid rgba(147,197,253,0.20);
}

.five-structure__cs-layer--pe-inner {
  background: rgba(96,125,139,0.40);
  border-left: 3px solid rgba(176,210,230,0.70);
}

/* 层名文字 */
.five-structure__cs-layer-name {
  font-family: 'DM Mono', monospace;
  font-size: var(--text-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.95);
  white-space: nowrap;
}

.five-structure__cs-layer-pct {
  font-family: 'DM Mono', monospace;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
}

/* 图例 */
.five-structure__cs-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-3);
  align-items: center;
  margin-top: var(--sp-3);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.50);
}

.five-structure__cs-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.five-structure__cs-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  flex-shrink: 0;
}

.five-structure__cs-dot--pe   { background: rgba(176,210,230,0.70); }
.five-structure__cs-dot--tie  { background: rgba(239,59,66,0.80); }
.five-structure__cs-dot--evoh { background: rgba(34,197,94,0.80); }
.five-structure__cs-dot--pa   { background: rgba(147,197,253,0.80); }

/* 响应式 */
@media (max-width: 960px) {
  .five-structure__cs-wrap {
    grid-template-columns: 1fr;
  }
}