/* 颜色集中管理：想调整黑金风格，优先改这里 */
:root {
  --black: #050506;
  --charcoal: #111318;
  --panel: rgba(18, 20, 26, 0.82);
  --steel: #8d98a7;
  --soft: #c9cdd3;
  --muted: #8e96a3;
  --gold: #d5a646;
  --champagne: #f1d28b;
  --blue: #5fb8ff;
  --line: rgba(213, 166, 70, 0.24);
  --white: #f7f3ea;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
/* 修复点击导航后标题被固定导航遮挡的问题 */
.section, #home, #about, #services, #capability, #process, #cases, #contact, #form {
  scroll-margin-top: 96px;
}
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--white);
  background:
    radial-gradient(circle at 10% 12%, rgba(216, 194, 122, 0.08), transparent 28%),
    radial-gradient(circle at 86% 7%, rgba(95, 184, 255, 0.1), transparent 28%),
    linear-gradient(180deg, #050607 0%, #0a0d12 45%, #050607 100%);
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, transparent 0 46%, rgba(241, 210, 139, 0.05) 47%, transparent 48%),
    linear-gradient(64deg, transparent 0 54%, rgba(95, 184, 255, 0.045) 55%, transparent 56%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.018) 0 1px, transparent 1px 90px);
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 5, 6, 0.78);
  backdrop-filter: blur(18px);
}
.nav-wrap {
  width: min(1280px, calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand-logo-wrap {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  min-width: 0;
}
.brand-logo {
  display: block;
  width: auto;
  height: clamp(36px, 4vw, 44px);
  max-width: 220px;
  object-fit: contain;
}
.brand-mark {
  padding: 10px 14px;
  border: 1px solid rgba(241, 210, 139, 0.55);
  color: var(--champagne);
  letter-spacing: 1.4px;
  font-weight: 900;
  font-size: 16px;
  background: linear-gradient(135deg, rgba(213, 166, 70, 0.18), rgba(255, 255, 255, 0.03));
}
.logo-fallback { display: none; }
.logo-failed .brand-logo,
.logo-failed .footer-logo { display: none; }
.logo-failed .logo-fallback { display: inline-block; }
.brand-name { font-size: 15px; color: var(--soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-panel { display: flex; align-items: center; gap: 20px; font-size: 15px; color: var(--soft); }
.nav-panel a { position: relative; }
.nav-panel a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -8px;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.25s ease;
}
.nav-panel a:hover::after { width: 100%; }
.language-switch { display: flex; border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.05); }
.lang-btn { border: 0; padding: 8px 10px; color: var(--soft); background: transparent; cursor: pointer; }
.lang-btn.active { color: #111; background: var(--champagne); }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.05); cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--champagne); }

.section { position: relative; width: min(1280px, calc(100% - 40px)); margin: 0 auto; padding: 74px 0; }

/* 区块背景层次：极克制地交替底色、网格和角落光晕，让页面不再是一整块纯黑。 */
.section:not(.hero) {
  --section-bleed: #07090d;
  width: 100%;
  margin: 0;
  padding-left: max(20px, calc((100vw - 1280px) / 2));
  padding-right: max(20px, calc((100vw - 1280px) / 2));
  border-top: 1px solid rgba(216,194,122,0.075);
  background: var(--section-bg, #07090d);
  box-shadow: none;
  clip-path: none;
}
.about {
  --section-bleed: #0d1117;
  --section-bg: linear-gradient(135deg, #0d1117 0%, #07090d 100%);
}
.services {
  --section-bleed: #070809;
  --section-bg: #070809;
}
.capability {
  --section-bleed: #0b0f14;
  --section-bg:
    repeating-linear-gradient(45deg, transparent, transparent 40px, rgba(216,194,122,0.018) 40px, rgba(216,194,122,0.018) 41px),
    linear-gradient(180deg, #0b0f14 0%, #07090d 100%);
}
.factory {
  --section-bleed: #090c10;
  --section-bg: #090c10;
}
.ai-visual {
  --section-bleed: #080a0d;
  --section-bg: linear-gradient(180deg, #080a0d 0%, #0b1015 100%);
}
.process {
  --section-bleed: #080b10;
  --section-bg: #080b10;
}
.cases {
  --section-bleed: #060708;
  --section-bg: #060708;
}
.selector-section {
  --section-bleed: #0a0f14;
  --section-bg: linear-gradient(180deg, #0a0f14 0%, #060708 100%);
}
.contact {
  --section-bleed: #0c1015;
  --section-bg: #0c1015;
}
.about,
.services,
.selector-section,
.factory,
.contact {
  isolation: isolate;
}
.about > *,
.services > *,
.selector-section > *,
.factory > *,
.contact > * {
  position: relative;
  z-index: 1;
}
.about::before,
.factory::before,
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.about::before {
  background:
    radial-gradient(ellipse at 100% 0%, rgba(216,194,122,0.065) 0%, transparent 54%),
    radial-gradient(ellipse at 8% 100%, rgba(95,184,255,0.035) 0%, transparent 58%);
}
.factory::before {
  background:
    radial-gradient(ellipse at 100% 100%, rgba(216,194,122,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 0% 32%, rgba(95,184,255,0.03) 0%, transparent 55%);
}
.contact::before {
  background:
    radial-gradient(ellipse at 0% 0%, rgba(216,194,122,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(95,184,255,0.025) 0%, transparent 55%);
}
.hero {
  width: 100%;
  min-height: 100vh;
  padding: 124px max(20px, calc((100% - 1280px) / 2)) 70px;
  display: grid;
  grid-template-columns: minmax(560px, 0.48fr) minmax(0, 0.52fr);
  align-items: center;
  gap: 42px;
  overflow: hidden;
}
.hero-grid, .hero-bg-visual, .blueprint-sweep, .hero::before, .hero::after { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  opacity: 0.55;
  background-image:
    linear-gradient(rgba(95,184,255,0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.14) 1px, transparent 1px),
    linear-gradient(rgba(241,210,139,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(241,210,139,0.07) 1px, transparent 1px);
  background-size: 42px 42px, 42px 42px, 168px 168px, 168px 168px;
  mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent);
}
.blueprint-sweep {
  background: linear-gradient(105deg, transparent 20%, rgba(241,210,139,0.12) 42%, transparent 58%);
  transform: translateX(-80%);
  animation: sweep 8s ease-in-out infinite;
}
.hero::before {
  content: "";
  background:
    linear-gradient(118deg, transparent 0 9%, rgba(241,210,139,0.08) 10%, transparent 20%),
    linear-gradient(62deg, transparent 0 18%, rgba(95,184,255,0.055) 19%, transparent 31%),
    radial-gradient(circle at 22% 48%, rgba(241,210,139,0.12), transparent 25%),
    radial-gradient(circle at 68% 43%, rgba(241,210,139,0.18), transparent 20%),
    linear-gradient(115deg, rgba(213,166,70,0.16), transparent 24%);
}
.hero::after {
  content: "";
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 1;
  background-image:
    linear-gradient(90deg, rgba(10,8,4,0.95) 0%, rgba(10,8,4,0.3) 52%, transparent 78%),
    linear-gradient(180deg, rgba(5,5,6,0.26), transparent 42%, rgba(5,5,6,0.62));
  mix-blend-mode: normal;
}
.hero-bg-visual {
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 112%;
  z-index: 0;
  opacity: 0.88;
  background-image: url("assets/images/home-hero-visual.png");
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  filter: saturate(1.05) contrast(1.05);
  mask-image: none;
  -webkit-mask-image: none;
  will-change: transform;
}
.structure-lines { position: absolute; right: -22px; top: 4%; z-index: 1; width: min(52vw, 720px); opacity: 0.24; animation: drift 12s ease-in-out infinite alternate; }
.structure-lines svg { width: 100%; fill: none; stroke: rgba(241,210,139,0.26); stroke-width: 1.35; filter: drop-shadow(0 0 6px rgba(213,166,70,0.08)); }
.structure-lines .gold-line { stroke: rgba(241,210,139,0.32); stroke-width: 1.8; stroke-dasharray: 18 10; animation: dash 9s linear infinite; }
.structure-lines .blue-line { stroke: rgba(95,184,255,0.17); }
.structure-lines circle { fill: rgba(241,210,139,0.5); }

.hero-content, .hero-panel { position: relative; z-index: 2; }
.hero-content {
  max-width: 760px;
}
.hero-content::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 18%;
  width: min(430px, 70vw);
  height: 300px;
  z-index: -1;
  opacity: 0.15;
  background:
    linear-gradient(90deg, rgba(241,210,139,0.22) 1px, transparent 1px),
    linear-gradient(rgba(95,184,255,0.18) 1px, transparent 1px);
  background-size: 54px 54px;
  clip-path: polygon(0 82%, 22% 34%, 42% 82%, 64% 26%, 96% 82%, 96% 100%, 0 100%);
}
.hero-content::after {
  content: "";
  position: absolute;
  left: -80px;
  top: 6%;
  width: 520px;
  height: 70%;
  z-index: -2;
  background:
    linear-gradient(106deg, rgba(213,166,70,0.16), transparent 40%),
    radial-gradient(circle at 16% 44%, rgba(241,210,139,0.12), transparent 34%);
  transform: skewX(-13deg);
  opacity: 0.66;
}
.eyebrow { margin: 0 0 14px; color: var(--champagne); font-size: 13px; letter-spacing: 1.6px; text-transform: uppercase; }
h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(44px, 6vw, 80px);
  line-height: 1.02;
  letter-spacing: 0;
  text-shadow: 0 18px 50px rgba(0,0,0,0.5);
}
.hero h2 {
  color: var(--champagne);
  font-size: clamp(21px, 2.6vw, 32px);
  font-weight: 600;
}
.hero-subtitle {
  max-width: 680px;
  line-height: 1.22;
}
.hero-slogan {
  position: relative;
  display: inline-block;
  overflow: hidden;
  margin: 0 0 16px;
  color: #fff4d1;
  font-size: clamp(18px, 2vw, 25px);
  font-weight: 800;
  letter-spacing: 0;
}
.hero-slogan::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 38%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,0.58), transparent);
  transform: translateX(-160%) skewX(-18deg);
  animation: sloganShine 8s ease-in-out 2s infinite;
  pointer-events: none;
}
.hero-text, .section-heading p, .feature-block p, .contact-card p, .note, .site-footer p { color: var(--soft); line-height: 1.85; }
.hero-text { max-width: 760px; font-size: 17px; }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  width: fit-content;
  max-width: 100%;
  margin-top: 16px;
  border: 1px solid rgba(241,210,139,0.16);
  background: rgba(5,7,10,0.34);
  backdrop-filter: blur(10px);
}
.hero-metrics b {
  position: relative;
  min-width: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 14px;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.hero-metrics b:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 30%;
  width: 1px;
  height: 40%;
  background: rgba(241,210,139,0.18);
}
.hero-metrics em {
  display: inline;
  color: var(--champagne);
  font-style: normal;
  font-size: 17px;
  font-weight: 900;
}
.hero-metrics small {
  display: inline;
  margin-top: 0;
  color: var(--soft);
  font-size: 12px;
  white-space: nowrap;
}
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid rgba(241,210,139,0.38);
  color: var(--white);
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0 35%, rgba(255,255,255,0.36) 50%, transparent 65%);
  transform: translateX(-120%);
  transition: transform 0.6s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(213,166,70,0.2); }
.btn:hover::after { transform: translateX(120%); }
.btn.primary { color: #17120a; background: linear-gradient(135deg, var(--champagne), var(--gold)); }
.btn.secondary { background: rgba(241,210,139,0.1); }
.btn.ghost { border-color: rgba(95,184,255,0.48); color: #d8efff; }

.hero-panel, .contact-card, .project-form, .feature-block, .project-selector {
  border: 1px solid rgba(255,255,255,0.12);
  background: linear-gradient(145deg, rgba(22,24,30,0.88), rgba(9,10,13,0.86));
  box-shadow: var(--shadow);
}
.hero-panel {
  padding: 30px;
  min-height: 430px;
  backdrop-filter: blur(18px);
  border-color: rgba(241,210,139,0.26);
  background:
    linear-gradient(145deg, rgba(22,24,30,0.9), rgba(9,10,13,0.88)),
    linear-gradient(90deg, rgba(95,184,255,0.08), transparent);
  box-shadow: var(--shadow);
}
.hero-visual-panel {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 12px;
}
.hero-visual {
  align-self: center;
  width: 100%;
}
.panel-top { display: flex; align-items: end; justify-content: space-between; color: var(--champagne); }
.panel-top span { font-size: 64px; font-weight: 900; }
.hero-image-slot {
  position: relative;
  display: none;
  height: 168px;
  margin: 20px 0 0;
  overflow: hidden;
  border: 1px solid rgba(241,210,139,0.24);
  border-radius: 0;
  box-shadow: none;
  background:
    linear-gradient(90deg, rgba(95,184,255,0.1) 1px, transparent 1px),
    linear-gradient(rgba(95,184,255,0.1) 1px, transparent 1px),
    rgba(255,255,255,0.035);
  background-size: 24px 24px;
}
.hero-image-slot.has-image { display: block; }
.hero-image-slot::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg, transparent 45%, rgba(5,5,6,0.42)),
    linear-gradient(120deg, rgba(241,210,139,0.12), transparent 32%);
  pointer-events: none;
}
.hero-image-slot img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  position: relative;
  z-index: 1;
}
.hero-image-slot:not(.has-image) img { display: none; }
.panel-diagram {
  position: relative;
  height: 180px;
  margin: 24px 0;
  background:
    linear-gradient(90deg, rgba(95,184,255,0.12) 1px, transparent 1px),
    linear-gradient(rgba(95,184,255,0.12) 1px, transparent 1px);
  background-size: 24px 24px;
  overflow: hidden;
}
.panel-diagram span { position: absolute; height: 2px; background: linear-gradient(90deg, transparent, var(--champagne), transparent); transform-origin: left center; }
.panel-diagram span:nth-child(1){ width:82%; left:8%; top:74%; transform:rotate(-24deg); }
.panel-diagram span:nth-child(2){ width:78%; left:16%; top:28%; transform:rotate(28deg); }
.panel-diagram span:nth-child(3){ width:66%; left:20%; top:50%; }
.panel-diagram span:nth-child(4){ width:46%; left:45%; top:20%; transform:rotate(90deg); }
.panel-diagram i { position: absolute; left: 0; top: 54%; width: 100%; height: 1px; background: linear-gradient(90deg, transparent, var(--blue), transparent); animation: scan 3.5s ease-in-out infinite; }
.dash-tags {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.dash-tags b {
  padding: 12px;
  border: 1px solid rgba(241,210,139,0.2);
  background: rgba(255,255,255,0.04);
  box-shadow: none;
}
.dash-tags em { display: block; color: var(--champagne); font-style: normal; font-size: 20px; }
.dash-tags small { color: var(--muted); }
.hero-visual-panel > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.section-heading { max-width: 880px; margin-bottom: 28px; }
.section-heading h2, .feature-block h2 { font-size: clamp(28px, 4vw, 48px); line-height: 1.16; margin-bottom: 16px; }
.stats-grid, .card-grid, .matrix-grid { display: grid; gap: 16px; }
.stats-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 24px 0;
  border-top: 1px solid rgba(241,210,139,0.18);
  border-bottom: 1px solid rgba(241,210,139,0.18);
}
.stat-card, .service-card, .matrix-card, .case-card, .timeline-item {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.045);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.stat-card:hover, .service-card:hover, .matrix-card:hover, .case-card:hover, .timeline-item:hover {
  transform: translateY(-5px);
  border-color: rgba(241,210,139,0.5);
  background: rgba(241,210,139,0.08);
}
.stat-card {
  padding: 4px 28px;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none;
}
.stat-card:not(:last-child) {
  border-right: 1px solid rgba(212,175,55,0.3);
}
.stat-card:hover {
  transform: none;
  background: transparent !important;
}
.stat-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--champagne);
  font-size: 2.5rem;
  line-height: 1;
}
.stat-card span { color: var(--soft); font-size: 13px; letter-spacing: 0.4px; }

.service-grid {
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.services {
  overflow: hidden;
}
.services::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(216,194,122,0.055) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 80%, rgba(95,184,255,0.025) 0%, transparent 55%);
  pointer-events: none;
}
.service-media-card {
  grid-column: span 2;
  min-height: 292px;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  background: #080a0d;
  perspective: none;
  transform: translateZ(0);
}
.service-feature-card {
  grid-column: span 3;
  min-height: 420px;
}
.service-media-card:hover {
  transform: translateY(-4px);
  border-color: rgba(241,210,139,0.42);
  background: #080a0d;
  box-shadow: 0 22px 60px rgba(0,0,0,0.34);
}
.service-media-card::before,
.service-media-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.service-media-card::before {
  z-index: 2;
  border-left: 2px solid rgba(216,194,122,0.46);
  background:
    linear-gradient(180deg, rgba(5,6,7,0) 0%, rgba(5,6,7,0.04) 36%, rgba(5,6,7,0.5) 70%, rgba(5,6,7,0.88) 100%),
    linear-gradient(90deg, rgba(5,6,7,0.22), rgba(5,6,7,0.02) 58%, rgba(5,6,7,0.1));
  transition: background 0.35s ease;
}
.service-media-card::after {
  z-index: 4;
  left: -45%;
  width: 32%;
  background: linear-gradient(90deg, transparent, rgba(241,210,139,0.2), transparent);
  transform: skewX(-18deg);
  transition: left 0.65s ease;
}
.service-media-card:hover::after {
  left: 120%;
}
.service-media-card:hover::before {
  background:
    linear-gradient(180deg, rgba(5,6,7,0) 0%, rgba(5,6,7,0.03) 36%, rgba(5,6,7,0.46) 70%, rgba(5,6,7,0.84) 100%),
    linear-gradient(90deg, rgba(5,6,7,0.18), rgba(5,6,7,0) 58%, rgba(5,6,7,0.08));
}
.service-media-image {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: none;
  transform: scale(1.01);
  transition: transform 0.7s ease, filter 0.7s ease;
}
.service-media-card:hover .service-media-image {
  filter: saturate(1.06) contrast(1.03) brightness(1.03);
  transform: scale(1.055);
}
.service-media-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
}
.service-media-top {
  display: inline-grid;
  justify-items: start;
  align-content: start;
  gap: 8px;
}
.service-number {
  color: rgba(241,210,139,0.9);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  line-height: 0.9;
}
.service-label {
  width: max-content;
  max-width: 100%;
  padding: 4px 7px;
  border: 1px solid rgba(241,210,139,0.18);
  color: rgba(241,210,139,0.74);
  background: rgba(5,6,7,0.36);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.service-media-copy {
  max-width: 92%;
}
.service-media-copy h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(21px, 2vw, 32px);
  line-height: 1.22;
  text-shadow: 0 2px 12px rgba(0,0,0,0.58);
}
.service-media-copy p {
  margin: 10px 0 0;
  max-width: 520px;
  color: rgba(255,255,255,0.72);
  line-height: 1.72;
  font-size: 15px;
  text-shadow: 0 1px 8px rgba(0,0,0,0.58);
}
.service-media-card[href] {
  color: inherit;
  text-decoration: none;
}
.service-media-card[href] .service-media-copy {
  display: grid;
  gap: 10px;
}
.service-detail-pill {
  width: max-content;
  max-width: 100%;
  padding: 7px 11px;
  border: 1px solid rgba(241,210,139,0.34);
  color: rgba(241,210,139,0.9);
  background: rgba(8,8,8,0.36);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  transition: transform 0.24s ease, background 0.24s ease, border-color 0.24s ease;
}
.service-media-card[href]:hover .service-detail-pill {
  transform: translateX(4px);
  border-color: rgba(241,210,139,0.62);
  background: rgba(216,194,122,0.12);
}
.service-grid:has(.service-media-card:hover) .service-media-card:not(:hover) {
  border-color: rgba(216,194,122,0.09);
}
.service-grid:has(.service-media-card:hover) .service-media-card:not(:hover) .service-media-image {
  filter: saturate(0.92) contrast(1) brightness(0.82);
}
.case-card::after {
  content: "";
  position: absolute;
  left: -40%;
  top: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(241,210,139,0.18), transparent);
  transform: skewX(-18deg);
  transition: left 0.55s ease;
}
.case-card:hover::after { left: 120%; }
.timeline-item span { color: var(--gold); font-weight: 900; }
.case-card h3, .timeline-item h3 { margin: 0; line-height: 1.45; }

.project-selector {
  display: grid;
  grid-template-columns: 0.32fr 0.68fr;
  gap: 20px;
  padding: 24px;
  background:
    linear-gradient(145deg, rgba(22,24,30,0.9), rgba(9,10,13,0.88)),
    repeating-linear-gradient(90deg, transparent 0 32px, rgba(95,184,255,0.08) 33px);
}
.panel-label { display: block; margin-bottom: 12px; color: var(--champagne); font-size: 13px; letter-spacing: 1.4px; text-transform: uppercase; }
.selector-left, .selector-right { position: relative; }
.selector-left {
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.16);
}
.type-buttons { display: grid; gap: 11px; }
.type-btn {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.12);
  padding: 14px 15px;
  color: var(--soft);
  font-size: 15px;
  font-weight: 700;
  text-align: left;
  background: rgba(255,255,255,0.04);
  cursor: pointer;
  transition: 0.25s ease;
}
.type-btn.active, .type-btn:hover {
  color: #111;
  border-color: var(--champagne);
  background: linear-gradient(135deg, var(--champagne), var(--gold));
  transform: translateX(4px);
  box-shadow: 0 12px 28px rgba(213,166,70,0.18);
}
.type-result {
  min-height: 100%;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  animation: fadePanel 0.28s ease;
}
.result-box {
  min-height: 152px;
  padding: 20px;
  border: 1px solid rgba(95,184,255,0.24);
  background: linear-gradient(145deg, rgba(95,184,255,0.07), rgba(255,255,255,0.035));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}
.result-box h3 { color: var(--champagne); font-size: 16px; }
.result-box p { margin: 0; color: var(--soft); line-height: 1.7; }

.selector-section {
  overflow: hidden;
}
.selector-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(95,184,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 46%, #000 0%, rgba(0,0,0,0.72) 48%, transparent 84%);
  pointer-events: none;
}
.selector-section .section-heading {
  max-width: 900px;
  margin-inline: auto;
  text-align: center;
}
.selector-section .section-heading p {
  margin-inline: auto;
}
.project-selector {
  display: block;
  padding: 26px;
  overflow: hidden;
  border-color: rgba(241,210,139,0.18);
  background:
    linear-gradient(145deg, rgba(16,18,23,0.92), rgba(6,7,10,0.9)),
    linear-gradient(90deg, rgba(95,184,255,0.08) 1px, transparent 1px),
    linear-gradient(rgba(95,184,255,0.08) 1px, transparent 1px);
  background-size: auto, 26px 26px, 26px 26px;
}
.type-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.type-btn {
  min-height: 118px;
  padding: 18px;
  text-align: left;
  border: 1px solid rgba(255,255,255,0.1);
  border-left: 2px solid rgba(212,175,55,0.48);
  color: var(--white);
  background: linear-gradient(135deg, rgba(26,22,8,0.72), rgba(13,13,13,0.86));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
  transform: none;
}
.type-btn strong {
  display: block;
  color: var(--white);
  font-size: 17px;
  line-height: 1.45;
}
.type-btn span {
  display: block;
  margin-top: 9px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}
.type-btn:hover {
  color: var(--white);
  border-color: rgba(241,210,139,0.45);
  border-left-color: var(--champagne);
  background: linear-gradient(135deg, rgba(38,31,12,0.82), rgba(16,17,20,0.92));
  transform: translateY(-3px);
  box-shadow: 0 18px 34px rgba(0,0,0,0.25), 0 0 26px rgba(213,166,70,0.08);
}
.type-btn.active,
.type-btn.active:hover {
  color: var(--white);
  border-color: rgba(245,216,122,0.72);
  border-left-color: var(--champagne);
  background: linear-gradient(135deg, rgba(55,43,14,0.88), rgba(18,18,18,0.94));
  transform: translateY(-3px);
  box-shadow: 0 20px 42px rgba(0,0,0,0.3), 0 0 32px rgba(213,166,70,0.16);
}
.type-result {
  display: none;
  min-height: auto;
  margin-top: 20px;
  animation: none;
}
.type-result.is-open {
  display: block;
  animation: selectorSlideDown 0.36s ease both;
}
.selector-result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.selector-result-grid .result-box {
  min-height: 132px;
  padding: 22px;
  border-color: rgba(95,184,255,0.22);
  background: linear-gradient(145deg, rgba(95,184,255,0.075), rgba(255,255,255,0.035));
}
.selector-cta {
  width: min(360px, 100%);
  margin: 22px auto 0;
  display: flex;
}
@keyframes selectorSlideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

.matrix-grid { grid-template-columns: repeat(5, 1fr); }
.matrix-card {
  min-height: 148px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--soft);
  background:
    linear-gradient(135deg, rgba(213,166,70,0.09), transparent),
    repeating-linear-gradient(90deg, transparent 0 24px, rgba(95,184,255,0.07) 25px);
}
.matrix-card em { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(241,210,139,0.38); color: var(--champagne); font-style: normal; }
.matrix-card b { font-size: 17px; }
.matrix-card p { margin: 8px 0 0; color: var(--muted); line-height: 1.55; font-size: 14px; }
.matrix-card .matrix-copy,
.matrix-card em {
  position: relative;
  z-index: 2;
}
.matrix-card.process-sample {
  min-height: 168px;
  isolation: isolate;
  background:
    radial-gradient(circle at 82% 34%, rgba(212,175,55,0.12), transparent 32%),
    linear-gradient(180deg, rgba(255,255,255,0.052), rgba(255,255,255,0.02)),
    repeating-linear-gradient(90deg, transparent 0 24px, rgba(95,184,255,0.07) 25px);
}
.matrix-card.process-sample .matrix-copy {
  max-width: 72%;
}
.process-visual {
  position: absolute;
  right: 8px;
  top: 14px;
  width: 52%;
  height: 92px;
  z-index: 1;
  pointer-events: none;
  opacity: 0.72;
}
.process-visual svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.process-visual path {
  fill: none;
  vector-effect: non-scaling-stroke;
}
.steel-outline {
  stroke: rgba(178,190,199,0.42);
  stroke-width: 1.3;
}
.steel-rib {
  stroke: rgba(95,184,255,0.2);
  stroke-width: 1;
}
.cut-mark {
  stroke: rgba(241,210,139,0.24);
  stroke-width: 1;
  stroke-dasharray: 5 6;
}
.cut-line,
.weld-arc,
.process-visual .spark {
  position: absolute;
  display: block;
  opacity: 0;
}
.cut-line {
  left: 12%;
  top: 55%;
  width: 82%;
  height: 2px;
  transform: translateX(-78%) rotate(-18deg);
  transform-origin: left center;
  background: linear-gradient(90deg, transparent, #fff1b8 26%, var(--gold) 58%, transparent);
  box-shadow: 0 0 14px rgba(241,210,139,0.34);
}
.process-visual .spark {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--champagne);
  box-shadow: 0 0 8px rgba(241,210,139,0.62);
}
.cutting-demo .s1 { left: 48%; top: 42%; --dx: 6px; --dy: -8px; }
.cutting-demo .s2 { left: 58%; top: 50%; --dx: 8px; --dy: 7px; }
.cutting-demo .s3 { left: 68%; top: 39%; --dx: 10px; --dy: -5px; }
.matrix-card.process-sample:hover .cut-line {
  animation: cutSweep 1s ease-out both;
}
.matrix-card.process-sample:hover .cutting-demo .spark {
  animation: processSpark 0.72s ease-out both;
}
.matrix-card.process-sample:hover .cutting-demo .s1 { animation-delay: 0.26s; }
.matrix-card.process-sample:hover .cutting-demo .s2 { animation-delay: 0.38s; }
.matrix-card.process-sample:hover .cutting-demo .s3 { animation-delay: 0.5s; }
.weld-seam {
  stroke: rgba(241,210,139,0.28);
  stroke-width: 1.2;
  transition: stroke 0.25s ease, stroke-width 0.25s ease, filter 0.25s ease;
}
.weld-arc {
  left: 49%;
  top: 42%;
  width: 28px;
  height: 28px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255,250,224,0.95) 0 8%, rgba(241,210,139,0.76) 9% 18%, transparent 45%);
  filter: blur(0.2px);
}
.welding-demo .s1 { left: 48%; top: 35%; --dx: -8px; --dy: -6px; }
.welding-demo .s2 { left: 53%; top: 48%; --dx: 9px; --dy: 5px; }
.welding-demo .s3 { left: 48%; top: 58%; --dx: -7px; --dy: 8px; }
.welding-demo .s4 { left: 54%; top: 62%; --dx: 10px; --dy: -3px; }
.matrix-card.process-sample:hover .weld-seam {
  stroke: rgba(255,236,177,0.95);
  stroke-width: 1.8;
  filter: drop-shadow(0 0 5px rgba(241,210,139,0.58));
}
.matrix-card.process-sample:hover .weld-arc {
  animation: weldFlash 0.95s ease-out both;
}
.matrix-card.process-sample:hover .welding-demo .spark {
  animation: processSpark 0.62s ease-out both;
}
.matrix-card.process-sample:hover .welding-demo .s1 { animation-delay: 0.18s; }
.matrix-card.process-sample:hover .welding-demo .s2 { animation-delay: 0.28s; }
.matrix-card.process-sample:hover .welding-demo .s3 { animation-delay: 0.4s; }
.matrix-card.process-sample:hover .welding-demo .s4 { animation-delay: 0.48s; }

@keyframes cutSweep {
  0% { opacity: 0; transform: translateX(-78%) rotate(-18deg); }
  18% { opacity: 1; }
  72% { opacity: 1; transform: translateX(18%) rotate(-18deg); }
  100% { opacity: 0; transform: translateX(36%) rotate(-18deg); }
}
@keyframes processSpark {
  0%, 28% { opacity: 0; transform: translate(0, 0) scale(0.5); }
  42% { opacity: 0.95; transform: translate(0, 0) scale(1); }
  100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(0.45); }
}
@keyframes weldFlash {
  0%, 18% { opacity: 0; transform: translate(-50%, -50%) scale(0.45); }
  28% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  40% { opacity: 0.3; transform: translate(-50%, -50%) scale(0.72); }
  54% { opacity: 0.95; transform: translate(-50%, -50%) scale(1.08); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.28); }
}

/* 工程能力卡片：与核心业务一致的 3D 翻转结构，背面用 SVG 表达工序动作。 */
.matrix-card {
  min-height: 226px;
  padding: 0;
  overflow: visible;
  background: transparent;
  border: 0;
  perspective: 1000px;
  color: var(--soft);
}
.matrix-card:hover {
  transform: none;
  border-color: transparent;
  background: transparent;
}
.matrix-card::before,
.matrix-card::after {
  display: none;
}
.capability-card-inner {
  position: relative;
  width: 100%;
  min-height: 226px;
  transform-style: preserve-3d;
  transition: transform 0.7s ease;
}
.matrix-card:hover .capability-card-inner {
  transform: rotateY(180deg);
}
.matrix-card.is-flipped .capability-card-inner {
  -webkit-transform: rotateY(180deg);
  transform: rotateY(180deg);
}
.capability-face {
  position: absolute;
  inset: 0;
  min-height: 226px;
  padding: 24px;
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.capability-front {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 2px solid rgba(212,175,55,0.4);
  background: linear-gradient(135deg, #1a1608 0%, #0d0d0d 100%);
}
.capability-front::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 0;
  opacity: 0;
  border-left: 1px solid rgba(245,216,122,0.65);
  border-bottom: 1px solid rgba(245,216,122,0.65);
  transition: width 0.4s ease, height 0.4s ease, opacity 0.25s ease;
}
.matrix-card:hover .capability-front::before {
  width: 100%;
  height: 100%;
  opacity: 1;
}
.matrix-card em {
  width: auto;
  height: auto;
  display: block;
  border: 0;
  color: rgba(212,175,55,0.9);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}
.matrix-card b {
  display: block;
  color: var(--white);
  font-size: 17px;
  line-height: 1.45;
}
.matrix-card p {
  margin: 10px 0 0;
  color: var(--soft);
  line-height: 1.7;
  font-size: 14px;
}
.capability-back {
  transform: rotateY(180deg);
  padding: 0;
  background: #0a0804;
  border: 1px solid rgba(241,210,139,0.18);
}
.capability-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: #0a0804;
}
.capability-video-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
  background: rgba(0,0,0,0.35);
}
.capability-back-title {
  position: relative;
  z-index: 2;
  color: var(--champagne);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

/* 工程能力控制台：高端展厅感 + 竖向工序轨道 + 大视频展示。 */
.capability-console {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 0.34fr) minmax(0, 1fr);
  gap: 30px;
  min-height: 560px;
  margin-top: 34px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(216,194,122,0.16);
  background:
    radial-gradient(ellipse at 82% 14%, rgba(216,194,122,0.075), transparent 42%),
    linear-gradient(135deg, rgba(17,22,29,0.96), rgba(5,7,10,0.94));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 30px 90px rgba(0,0,0,0.35);
}
.capability-console::before,
.capability-console::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.capability-console::before {
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(95,184,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.045) 1px, transparent 1px),
    linear-gradient(135deg, transparent 49%, rgba(216,194,122,0.035) 50%, transparent 51%);
  background-size: 44px 44px, 44px 44px, 220px 220px;
  mask-image: radial-gradient(ellipse at 62% 46%, #000, transparent 78%);
}
.capability-console::after {
  background:
    linear-gradient(90deg, rgba(5,6,7,0.82), transparent 38%),
    linear-gradient(180deg, rgba(255,255,255,0.035), transparent 28%, rgba(0,0,0,0.28));
}
.capability-rail,
.capability-display {
  position: relative;
  z-index: 1;
}
.capability-rail {
  display: grid;
  align-content: center;
  gap: 7px;
  padding: 12px 0;
}
.capability-rail::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(216,194,122,0.5), rgba(95,184,255,0.16), transparent);
}
.capability-node {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 48px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 7px 10px 7px 0;
  border: 0;
  color: rgba(255,255,255,0.56);
  text-align: left;
  background: transparent;
  cursor: pointer;
  transition: color 0.24s ease, transform 0.24s ease;
}
.capability-node:hover,
.capability-node.is-active {
  color: var(--white);
  transform: translateX(4px);
}
.capability-node-index {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(216,194,122,0.24);
  border-radius: 50%;
  color: rgba(216,194,122,0.68);
  background: rgba(5,6,7,0.86);
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
  transition: border-color 0.24s ease, color 0.24s ease, background 0.24s ease, box-shadow 0.24s ease;
}
.capability-node-text {
  display: grid;
  gap: 3px;
  min-width: 0;
}
.capability-node-title {
  color: currentColor;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.35;
}
.capability-node-desc {
  color: rgba(201,205,211,0.52);
  font-size: 12px;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.capability-node.is-active .capability-node-index {
  color: #111;
  border-color: var(--champagne);
  background: linear-gradient(135deg, var(--champagne), var(--gold));
  box-shadow: 0 0 18px rgba(216,194,122,0.36);
}
.capability-node.is-active .capability-node-title {
  color: var(--champagne);
}
.capability-node.is-active .capability-node-desc {
  color: rgba(255,255,255,0.68);
}
.capability-display {
  min-height: 504px;
  display: grid;
  overflow: hidden;
  border: 1px solid rgba(216,194,122,0.22);
  background: #050607;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 24px 72px rgba(0,0,0,0.34);
}
.capability-display-grid {
  display: none;
}
.capability-media {
  position: relative;
  min-height: inherit;
  overflow: hidden;
}
.capability-display-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  opacity: 0;
  filter: saturate(0.88) contrast(1.05) brightness(0.82);
  transform: scale(1.02);
  transition: opacity 0.34s ease, transform 0.7s ease;
}
.capability-display-video.is-active {
  opacity: 1;
  transform: scale(1);
}
.capability-display-shade {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5,6,7,0.92) 0%, rgba(5,6,7,0.56) 34%, rgba(5,6,7,0.18) 76%),
    linear-gradient(180deg, rgba(5,6,7,0.12) 0%, rgba(5,6,7,0.28) 62%, rgba(5,6,7,0.82) 100%);
}
.capability-display-content {
  position: absolute;
  left: 30px;
  right: 30px;
  bottom: 28px;
  z-index: 4;
  max-width: 620px;
}
.capability-display-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--champagne);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
}
.capability-display-kicker::after {
  content: "";
  width: 92px;
  height: 1px;
  background: linear-gradient(90deg, rgba(216,194,122,0.72), transparent);
}
.capability-display-content h3 {
  margin-bottom: 10px;
  color: var(--white);
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.05;
}
.capability-display-content p {
  max-width: 520px;
  color: rgba(255,255,255,0.72);
  line-height: 1.78;
}
.capability-display-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.capability-display-tags span {
  padding: 7px 10px;
  border: 1px solid rgba(216,194,122,0.24);
  color: rgba(241,210,139,0.82);
  background: rgba(5,6,7,0.62);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.capability-visual {
  position: relative;
  flex: 1;
  display: grid;
  place-items: center;
  min-height: 132px;
  overflow: hidden;
}
.capability-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.36;
  background-image:
    linear-gradient(rgba(95,184,255,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.12) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: radial-gradient(circle, #000, transparent 78%);
}
.capability-visual svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 132px;
  overflow: visible;
}
.capability-visual path,
.capability-visual line,
.capability-visual rect,
.capability-visual circle {
  fill: none;
  vector-effect: non-scaling-stroke;
}
.capability-visual .gold-line,
.capability-visual .part,
.capability-visual .column,
.capability-visual .roof,
.capability-visual .membrane,
.capability-visual .custom-shape {
  stroke: rgba(241,210,139,0.74);
  stroke-width: 1.4;
}
.capability-visual .dim {
  stroke: rgba(241,210,139,0.38);
}
.capability-visual .blue-line {
  stroke: rgba(95,184,255,0.24);
  stroke-width: 1;
}
.capability-visual .spark,
.weld-flash {
  position: absolute;
  z-index: 2;
  display: block;
  opacity: 0;
  pointer-events: none;
}
.capability-visual .spark {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #f5d87a;
  box-shadow: 0 0 9px rgba(241,210,139,0.72);
}
.anim-cut .cutter {
  stroke: #f5d87a;
  stroke-width: 2;
  opacity: 0;
  filter: drop-shadow(0 0 7px rgba(241,210,139,0.65));
}
.anim-cut .s1 { left: 35%; top: 55%; --dx: 7px; --dy: -7px; }
.anim-cut .s2 { left: 48%; top: 48%; --dx: 8px; --dy: 6px; }
.anim-cut .s3 { left: 60%; top: 54%; --dx: 10px; --dy: -5px; }
.anim-cut .s4 { left: 70%; top: 49%; --dx: 8px; --dy: 8px; }
.matrix-card:hover .anim-cut .cutter { animation: capCut 1.2s ease-out both; }
.matrix-card:hover .anim-cut .spark { animation: capSpark 0.7s ease-out both; }
.matrix-card:hover .anim-cut .s1 { animation-delay: 0.28s; }
.matrix-card:hover .anim-cut .s2 { animation-delay: 0.46s; }
.matrix-card:hover .anim-cut .s3 { animation-delay: 0.64s; }
.matrix-card:hover .anim-cut .s4 { animation-delay: 0.78s; }

.anim-weld .weld-seam {
  stroke: rgba(241,210,139,0.3);
  stroke-width: 1.2;
}
.weld-flash {
  left: 50%;
  top: 50%;
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, #fff7db 0 8%, rgba(245,216,122,0.85) 9% 24%, transparent 56%);
}
.anim-weld .s1 { left: 47%; top: 36%; --dx: -7px; --dy: -6px; }
.anim-weld .s2 { left: 53%; top: 52%; --dx: 8px; --dy: 5px; }
.anim-weld .s3 { left: 48%; top: 64%; --dx: -7px; --dy: 8px; }
.matrix-card:hover .anim-weld .weld-seam { animation: capSeam 1s ease-out both; }
.matrix-card:hover .anim-weld .weld-flash { animation: capWeldFlash 1s ease-out both; }
.matrix-card:hover .anim-weld .spark { animation: capSpark 0.62s ease-out both; }
.matrix-card:hover .anim-weld .s1 { animation-delay: 0.2s; }
.matrix-card:hover .anim-weld .s2 { animation-delay: 0.34s; }
.matrix-card:hover .anim-weld .s3 { animation-delay: 0.48s; }

.drill-hole {
  stroke: rgba(241,210,139,0.72);
  stroke-width: 1.4;
  transform-origin: center;
  transform-box: fill-box;
}
.drill-ring {
  stroke: rgba(245,216,122,0.6);
  stroke-width: 1;
  opacity: 0;
  transform-origin: center;
  transform-box: fill-box;
}
.matrix-card:hover .drill-hole { animation: capDrill 0.8s ease-out both; }
.matrix-card:hover .drill-ring { animation: capDrillRing 0.8s ease-out both; }
.matrix-card:hover .r2 { animation-delay: 0.12s; }

.paint-fill {
  fill: rgba(241,210,139,0.58) !important;
  stroke: none;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
  transform-box: fill-box;
  filter: blur(5px);
}
.matrix-card:hover .paint-fill { animation: capPaint 1.2s ease-out both; }

.capability-visual .part {
  transform-box: fill-box;
  transform-origin: center;
}
.matrix-card:hover .p1 { animation: assembleP1 1s cubic-bezier(.2,.8,.2,1.18) both; }
.matrix-card:hover .p2 { animation: assembleP2 1s cubic-bezier(.2,.8,.2,1.18) both; }
.matrix-card:hover .p3 { animation: assembleP3 1s cubic-bezier(.2,.8,.2,1.18) both; }
.matrix-card:hover .p4 { animation: assembleP4 1s cubic-bezier(.2,.8,.2,1.18) both; }

.column,
.roof,
.drawing-line,
.membrane {
  stroke-dasharray: 120;
  stroke-dashoffset: 120;
}
.matrix-card:hover .column { animation: capDraw 1.5s ease-out both; }
.matrix-card:hover .roof { animation: capDraw 1.5s ease-out both; animation-delay: 0.42s; }
.drawing-line {
  stroke: rgba(245,216,122,0.82);
  stroke-width: 1.4;
  stroke-dasharray: 340;
  stroke-dashoffset: 340;
}
.matrix-card:hover .drawing-line { animation: capBlueprint 1.5s ease-out both; }

.step-bar {
  stroke: rgba(241,210,139,0.5);
  stroke-width: 1;
  fill: rgba(241,210,139,0);
}
.matrix-card:hover .step-bar { animation: capStep 0.38s ease-out both; }
.matrix-card:hover .b1 { animation-delay: 0s; }
.matrix-card:hover .b2 { animation-delay: 0.15s; }
.matrix-card:hover .b3 { animation-delay: 0.3s; }
.matrix-card:hover .b4 { animation-delay: 0.45s; }
.matrix-card:hover .b5 { animation-delay: 0.6s; }
.matrix-card:hover .b6 { animation-delay: 0.75s; }
.matrix-card:hover .b7 { animation-delay: 0.9s; }

.membrane {
  stroke-dasharray: 180;
  stroke-dashoffset: 180;
}
.matrix-card:hover .membrane { animation: capDraw 1.2s ease-out both; }
.matrix-card:hover .m2 { animation-delay: 0.18s; }

.custom-shape {
  stroke-dasharray: 8 7;
  stroke-dashoffset: 130;
}
.matrix-card:hover .custom-shape { animation: capCustom 1s ease-out both; }

@keyframes capCut {
  0% { opacity: 0; transform: translateX(0); }
  14% { opacity: 1; }
  82% { opacity: 1; transform: translateX(150px); }
  100% { opacity: 0; transform: translateX(170px); }
}
@keyframes capSpark {
  0%, 25% { opacity: 0; transform: translate(0,0) scale(0.4); }
  45% { opacity: 1; transform: translate(0,0) scale(1); }
  100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(0.45); }
}
@keyframes capSeam {
  0%, 20% { stroke: rgba(241,210,139,0.28); filter: none; }
  45%, 70% { stroke: #fff1b8; filter: drop-shadow(0 0 6px rgba(241,210,139,0.8)); }
  100% { stroke: rgba(241,210,139,0.82); filter: drop-shadow(0 0 3px rgba(241,210,139,0.4)); }
}
@keyframes capWeldFlash {
  0%, 18% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  32% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  46% { opacity: 0.22; transform: translate(-50%, -50%) scale(0.7); }
  58% { opacity: 0.85; transform: translate(-50%, -50%) scale(1.08); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.28); }
}
@keyframes capDrill {
  0% { opacity: 0.2; transform: scale(0.28); }
  62% { opacity: 1; transform: scale(1.08); }
  100% { opacity: 0.85; transform: scale(1); }
}
@keyframes capDrillRing {
  0% { opacity: 0; transform: scale(0.45); }
  46% { opacity: 0.74; }
  100% { opacity: 0; transform: scale(1.35); }
}
@keyframes capPaint {
  0% { opacity: 0; transform: scaleX(0); }
  36% { opacity: 0.34; }
  100% { opacity: 0.78; transform: scaleX(1); }
}
@keyframes assembleP1 { 0% { transform: translate(0,0); } 76% { transform: translate(52px,30px); } 100% { transform: translate(47px,27px); } }
@keyframes assembleP2 { 0% { transform: translate(0,0); } 76% { transform: translate(-52px,30px); } 100% { transform: translate(-47px,27px); } }
@keyframes assembleP3 { 0% { transform: translate(0,0); } 76% { transform: translate(52px,-30px); } 100% { transform: translate(47px,-27px); } }
@keyframes assembleP4 { 0% { transform: translate(0,0); } 76% { transform: translate(-52px,-30px); } 100% { transform: translate(-47px,-27px); } }
@keyframes capDraw { to { stroke-dashoffset: 0; } }
@keyframes capBlueprint { to { stroke-dashoffset: 0; } }
@keyframes capStep {
  0% { fill: rgba(241,210,139,0); }
  100% { fill: rgba(241,210,139,0.72); filter: drop-shadow(0 0 5px rgba(241,210,139,0.4)); }
}
@keyframes capCustom {
  0% { stroke-dasharray: 8 7; stroke-dashoffset: 130; stroke: rgba(241,210,139,0.38); }
  72% { stroke-dasharray: 8 7; stroke-dashoffset: 0; }
  100% { stroke-dasharray: 260 0; stroke-dashoffset: 0; stroke: rgba(245,216,122,0.9); }
}

.feature-block { padding: 36px; display: grid; grid-template-columns: 1fr 0.8fr; align-items: center; gap: 36px; }
.feature-block.reverse { grid-template-columns: 0.9fr 1fr; }
.factory-panel {
  grid-template-columns: 1fr;
  align-items: stretch;
  gap: 28px;
  overflow: hidden;
}
.factory-copy {
  position: relative;
  z-index: 2;
  max-width: 960px;
}
.factory-note {
  margin-top: 16px;
  padding-left: 14px;
  border-left: 2px solid var(--champagne);
  color: #fff0c4 !important;
  font-weight: 700;
}
.factory-showcase {
  position: relative;
  display: grid;
  grid-template-columns: minmax(250px, 0.34fr) minmax(0, 0.66fr);
  gap: 24px;
  align-items: stretch;
  min-height: 430px;
}
.factory-timeline {
  position: relative;
  display: grid;
  grid-template-rows: repeat(6, 1fr);
  padding: 18px 0;
}
.factory-step {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 62px;
  opacity: 0.4;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.factory-step:not(:last-child)::before,
.factory-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 21px;
  top: calc(50% + 22px);
  bottom: calc(-50% + 22px);
  width: 1px;
  pointer-events: none;
}
.factory-step:not(:last-child)::before {
  background: rgba(212,175,55,0.22);
}
.factory-step:not(:last-child)::after {
  background: linear-gradient(180deg, #d4af37, rgba(245,216,122,0.85));
  box-shadow: 0 0 10px rgba(212,175,55,0.34);
  transform: scaleY(0);
  transform-origin: top;
  opacity: 0;
}
.factory-step.is-complete:not(:last-child)::after {
  opacity: 0.55;
  transform: scaleY(1);
}
.factory-step.is-line-active:not(:last-child)::after {
  animation: factoryLineDraw 1.05s ease both;
}
.factory-step.is-active {
  opacity: 1;
  transform: translateX(4px);
}
.factory-step-number {
  position: relative;
  z-index: 2;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(212,175,55,0.45);
  background: rgba(9,10,13,0.82);
  color: rgba(212,175,55,0.75);
  font-weight: 900;
  font-size: 14px;
  transition: background 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease;
}
.factory-step-name {
  color: rgba(255,255,255,0.58);
  font-size: 17px;
  font-weight: 800;
  transition: color 0.4s ease;
}
.factory-step.is-active .factory-step-number {
  border-color: #d4af37;
  background: rgba(212,175,55,0.18);
  color: #d4af37;
  box-shadow: 0 0 12px #d4af37, 0 0 0 6px rgba(212,175,55,0.08);
}
.factory-step.is-active .factory-step-name {
  color: #d4af37;
}
.factory-step.is-complete {
  opacity: 0.72;
}
.factory-video-stage {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  border-radius: 12px;
  background:
    radial-gradient(circle at 70% 28%, rgba(212,175,55,0.16), transparent 32%),
    #0a0804;
  box-shadow: 0 28px 70px rgba(0,0,0,0.36), inset 0 0 0 1px rgba(241,210,139,0.18);
}
.factory-video-stage::before,
.factory-video-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}
.factory-video-stage::before {
  background:
    linear-gradient(90deg, rgba(13,10,4,0.55), transparent 36%),
    linear-gradient(180deg, rgba(0,0,0,0.12), rgba(0,0,0,0.34));
}
.factory-video-stage::after {
  background-image:
    linear-gradient(rgba(95,184,255,0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.09) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: 0.24;
  mix-blend-mode: screen;
}
.factory-video-stage video {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.factory-video-stage video.is-active {
  opacity: 1;
}
.factory-video-stage video.is-incoming {
  z-index: 2;
}
@keyframes factoryLineDraw {
  0% { opacity: 0; transform: scaleY(0); }
  18% { opacity: 1; }
  100% { opacity: 1; transform: scaleY(1); }
}
.factory-visual, .compare-card {
  min-height: 280px;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(95,184,255,0.14) 1px, transparent 1px),
    linear-gradient(rgba(95,184,255,0.14) 1px, transparent 1px);
  background-size: 30px 30px;
}
.factory-visual span { position: absolute; left: 10%; width: 80%; height: 18px; background: linear-gradient(90deg, rgba(241,210,139,0.12), rgba(241,210,139,0.72), rgba(95,184,255,0.18)); }
.factory-visual span:nth-child(1){ top:24%; transform:skewY(-13deg); }
.factory-visual span:nth-child(2){ top:43%; transform:skewY(13deg); }
.factory-visual span:nth-child(3){ top:62%; transform:skewY(-13deg); }
.factory-visual span:nth-child(4){ top:81%; transform:skewY(13deg); }
.factory .feature-block {
  overflow: hidden;
}
.factory-visual {
  min-height: 360px;
  align-self: stretch;
  margin: -36px -36px -36px 0;
  background: #0d0a04;
  isolation: isolate;
}
.factory-visual img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06) brightness(0.78);
}
.factory-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(13,10,4,0.95) 0%, rgba(13,10,4,0.58) 34%, transparent 72%);
}
.factory-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(circle at 72% 30%, rgba(241,210,139,0.14), transparent 34%),
    linear-gradient(180deg, rgba(0,0,0,0.16), rgba(0,0,0,0.36));
}
.compare-card {
  min-height: 280px;
  height: 280px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px rgba(95,184,255,0.08), 0 24px 70px rgba(0,0,0,0.32);
}
.compare-slider {
  --compare-pos: 50%;
  cursor: ew-resize;
  touch-action: none;
  user-select: none;
  background: #0a1628;
}
.compare-slider::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background:
    radial-gradient(circle at 70% 28%, rgba(241,210,139,0.16), transparent 34%),
    linear-gradient(90deg, rgba(10,22,40,0.18), transparent 42%, rgba(0,0,0,0.18));
}
.compare-layer {
  position: absolute;
  inset: 0;
  padding: 18px;
}
.compare-layer b {
  position: absolute;
  top: 16px;
  z-index: 2;
  font-size: 12px;
  letter-spacing: 0.18em;
}
.compare-layer img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}
.compare-layer svg {
  position: absolute;
  left: 50%;
  bottom: 18px;
  width: min(92%, 520px);
  height: 78%;
  transform: translateX(-50%);
  overflow: visible;
}
.compare-cad {
  z-index: 1;
  background:
    linear-gradient(rgba(30,144,255,0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,144,255,0.2) 1px, transparent 1px),
    radial-gradient(circle at 35% 18%, rgba(30,144,255,0.18), transparent 34%),
    #0a1628;
  background-size: 24px 24px, 24px 24px, auto, auto;
}
.compare-cad b {
  left: 18px;
  color: #7de8ff;
}
.compare-cad path,
.compare-cad circle {
  fill: none;
  stroke: rgba(125,232,255,0.88);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}
.compare-cad .cad-grid-line {
  stroke: rgba(255,255,255,0.32);
  stroke-width: 1;
}
.compare-cad .cad-detail {
  stroke: rgba(255,255,255,0.72);
}
.compare-visual {
  z-index: 2;
  clip-path: inset(0 0 0 var(--compare-pos));
  background:
    radial-gradient(circle at 70% 26%, rgba(241,210,139,0.22), transparent 32%),
    radial-gradient(circle at 45% 78%, rgba(30,144,255,0.08), transparent 38%),
    linear-gradient(145deg, #171007, #0d0a06 58%, #050403);
}
.compare-visual b {
  right: 18px;
  color: var(--champagne);
}
.compare-visual .visual-fill {
  fill: url(#visualGold);
  opacity: 0.26;
  filter: url(#visualGlow);
}
.compare-visual .visual-frame {
  fill: none;
  stroke: rgba(241,210,139,0.9);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 8px rgba(212,175,55,0.3));
}
.compare-visual .visual-shadow {
  fill: none;
  stroke: rgba(255,242,195,0.58);
  stroke-width: 1.15;
  vector-effect: non-scaling-stroke;
}
.compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--compare-pos);
  z-index: 6;
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, rgba(241,210,139,0.92), transparent);
  box-shadow: 0 0 16px rgba(212,175,55,0.34);
  pointer-events: none;
}
.compare-handle {
  position: absolute;
  left: var(--compare-pos);
  top: 50%;
  z-index: 7;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 0;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(241,210,139,0.9);
  border-radius: 50%;
  background: rgba(8,9,12,0.9);
  color: var(--champagne);
  box-shadow: 0 0 0 6px rgba(241,210,139,0.08), 0 12px 32px rgba(0,0,0,0.42);
  cursor: ew-resize;
}
.compare-handle span {
  line-height: 1;
  font-size: 16px;
  font-weight: 900;
}
.compare-handle:focus-visible {
  outline: 2px solid rgba(125,232,255,0.9);
  outline-offset: 4px;
}

.process::before {
  content: "";
  position: absolute;
  inset: 30px -5vw;
  z-index: -1;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(95,184,255,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.12) 1px, transparent 1px),
    linear-gradient(135deg, transparent 48%, rgba(241,210,139,0.08) 49%, transparent 51%);
  background-size: 34px 34px, 34px 34px, 180px 180px;
  mask-image: radial-gradient(circle at 50% 45%, #000, transparent 74%);
  pointer-events: none;
}
.process-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.process-particles span {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: rgba(212,175,55,0.4);
  box-shadow: 0 0 8px rgba(212,175,55,0.36);
  opacity: 0.24;
  animation: processParticleDrift 10s ease-in-out infinite alternate;
}
.process-particles span:nth-child(1) { left: 6%; top: 18%; --x: 22px; --y: -18px; animation-duration: 9s; animation-delay: 0.2s; }
.process-particles span:nth-child(2) { left: 14%; top: 62%; --x: -18px; --y: 24px; animation-duration: 12s; animation-delay: 1.1s; }
.process-particles span:nth-child(3) { left: 22%; top: 34%; --x: 26px; --y: 12px; animation-duration: 10s; animation-delay: 0.6s; }
.process-particles span:nth-child(4) { left: 31%; top: 78%; --x: -12px; --y: -28px; animation-duration: 14s; animation-delay: 1.8s; }
.process-particles span:nth-child(5) { left: 38%; top: 22%; --x: 16px; --y: 26px; animation-duration: 8s; animation-delay: 0.4s; }
.process-particles span:nth-child(6) { left: 46%; top: 68%; --x: -26px; --y: -10px; animation-duration: 13s; animation-delay: 2.2s; }
.process-particles span:nth-child(7) { left: 54%; top: 42%; --x: 20px; --y: -24px; animation-duration: 11s; animation-delay: 0.9s; }
.process-particles span:nth-child(8) { left: 61%; top: 83%; --x: 12px; --y: -30px; animation-duration: 15s; animation-delay: 1.4s; }
.process-particles span:nth-child(9) { left: 69%; top: 26%; --x: -22px; --y: 18px; animation-duration: 9.5s; animation-delay: 0.1s; }
.process-particles span:nth-child(10) { left: 76%; top: 58%; --x: 24px; --y: -16px; animation-duration: 12.5s; animation-delay: 2s; }
.process-particles span:nth-child(11) { left: 84%; top: 19%; --x: -16px; --y: 28px; animation-duration: 10.5s; animation-delay: 0.7s; }
.process-particles span:nth-child(12) { left: 92%; top: 72%; --x: -28px; --y: -18px; animation-duration: 14.5s; animation-delay: 1.6s; }
.process-particles span:nth-child(13) { left: 10%; top: 86%; --x: 18px; --y: -26px; animation-duration: 8.5s; animation-delay: 1.9s; }
.process-particles span:nth-child(14) { left: 18%; top: 28%; --x: -20px; --y: -12px; animation-duration: 13.5s; animation-delay: 0.3s; }
.process-particles span:nth-child(15) { left: 27%; top: 52%; --x: 30px; --y: 20px; animation-duration: 11.5s; animation-delay: 1.2s; }
.process-particles span:nth-child(16) { left: 49%; top: 14%; --x: -24px; --y: 22px; animation-duration: 15s; animation-delay: 2.4s; }
.process-particles span:nth-child(17) { left: 57%; top: 75%; --x: 18px; --y: -14px; animation-duration: 8.8s; animation-delay: 0.8s; }
.process-particles span:nth-child(18) { left: 66%; top: 37%; --x: -18px; --y: 30px; animation-duration: 12.8s; animation-delay: 1.5s; }
.process-particles span:nth-child(19) { left: 81%; top: 88%; --x: 14px; --y: -24px; animation-duration: 10.8s; animation-delay: 0.5s; }
.process-particles span:nth-child(20) { left: 94%; top: 44%; --x: -30px; --y: 8px; animation-duration: 14.2s; animation-delay: 2.1s; }
.process .section-heading {
  position: relative;
  z-index: 2;
}
.process .section-heading::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -20px;
  width: min(420px, 72vw);
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, rgba(95,184,255,0.38), rgba(241,210,139,0.42), transparent);
}
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
  padding-top: 58px;
  overflow: visible;
  z-index: 2;
}
.timeline::before {
  display: none;
}
.timeline-path {
  position: absolute;
  left: 6%;
  right: 6%;
  top: 58px;
  height: 2px;
  background: rgba(241,210,139,0.1);
  overflow: visible;
  box-shadow: 0 0 20px rgba(213,166,70,0.08);
  z-index: 1;
}
.timeline-path span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, transparent, var(--champagne), var(--gold));
}
.timeline-path .flow-dot {
  position: absolute;
  left: 0;
  top: 50%;
  z-index: 3;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: #d4af37;
  box-shadow: 0 0 8px #d4af37, 0 0 18px rgba(212,175,55,0.34);
  animation: processFlowDot 4s linear infinite;
}
.timeline-item {
  min-height: 180px;
  padding: 58px 16px 26px;
  overflow: visible;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.018)),
    linear-gradient(90deg, rgba(95,184,255,0.07) 1px, transparent 1px),
    linear-gradient(rgba(95,184,255,0.055) 1px, transparent 1px);
  background-size: auto, 24px 24px, 24px 24px;
  border-color: rgba(255,255,255,0.08);
  z-index: 2;
  animation: processCardFloat 3s ease-in-out infinite alternate;
}
.timeline-item:nth-of-type(1) { animation-duration: 3s; animation-delay: 0s; }
.timeline-item:nth-of-type(2) { animation-duration: 3.4s; animation-delay: 0.4s; }
.timeline-item:nth-of-type(3) { animation-duration: 2.8s; animation-delay: 0.8s; }
.timeline-item:nth-of-type(4) { animation-duration: 3.6s; animation-delay: 1.2s; }
.timeline-item:nth-of-type(5) { animation-duration: 3.2s; animation-delay: 0.6s; }
.timeline-item:nth-of-type(6) { animation-duration: 2.9s; animation-delay: 1s; }
.timeline-item:nth-of-type(7) { animation-duration: 3.5s; animation-delay: 0.2s; }
.timeline-item::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, transparent 48%, rgba(241,210,139,0.34) 50%, transparent 54%);
  pointer-events: none;
}
.timeline-item.is-active {
  border-color: rgba(241,210,139,0.45);
  background:
    linear-gradient(180deg, rgba(241,210,139,0.08), rgba(255,255,255,0.02)),
    linear-gradient(90deg, rgba(95,184,255,0.08) 1px, transparent 1px);
  box-shadow: 0 18px 44px rgba(0,0,0,0.22);
}
.timeline-item span {
  position: absolute;
  top: -21px;
  left: 50%;
  z-index: 4;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin: 0;
  transform: translateX(-50%);
  color: #111;
  background: rgba(143,147,151,0.8);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50%;
  transition: background 0.35s ease, box-shadow 0.35s ease;
}
.timeline-item.is-active span {
  background: var(--champagne);
  border-color: rgba(241,210,139,0.75);
  box-shadow: 0 0 0 6px rgba(241,210,139,0.12), 0 0 26px rgba(213,166,70,0.22);
}
.timeline-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  color: var(--gold);
  stroke: #d4af37;
  stroke-width: 1.5;
  filter: drop-shadow(0 0 10px rgba(212,175,55,0.12));
}
.timeline-item h3 {
  width: 100%;
  text-align: center;
  line-height: 1.45;
  font-weight: 800;
}
.timeline-item p {
  width: 100%;
  margin: 8px 0 0;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  line-height: 1.55;
  text-align: center;
}

@keyframes processCardFloat {
  from { translate: 0 -4px; }
  to { translate: 0 4px; }
}
@keyframes processFlowDot {
  from { left: 0; }
  to { left: calc(100% - 8px); }
}
@keyframes processFlowPulse {
  0%, 100% { opacity: 0.28; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.08); }
}
@keyframes processParticleDrift {
  0% { opacity: 0.2; transform: translate(0, 0); }
  48% { opacity: 0.5; }
  100% { opacity: 0.28; transform: translate(var(--x), var(--y)); }
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}
.case-card {
  min-height: 320px;
  padding: 0;
  border: 0;
  background: transparent;
}
.case-card:hover {
  transform: none;
  border-color: transparent;
  background: transparent;
}
.case-card:nth-child(1) { grid-column: span 7; }
.case-card:nth-child(2) { grid-column: span 5; }
.case-card:nth-child(3) { grid-column: span 4; }
.case-card:nth-child(4) { grid-column: span 4; }
.case-card:nth-child(5) { grid-column: span 4; }
.case-card:nth-child(1),
.case-card:nth-child(5) {
  min-height: 420px;
}
.case-art {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: inherit;
  overflow: hidden;
  border: 1px solid rgba(241,210,139,0.16);
  background:
    linear-gradient(90deg, rgba(95,184,255,0.08) 1px, transparent 1px),
    linear-gradient(rgba(95,184,255,0.08) 1px, transparent 1px),
    linear-gradient(135deg, #171a20, #08090c);
  background-size: 22px 22px, 22px 22px, auto;
}
.case-art::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  opacity: 0;
  background: linear-gradient(180deg, transparent 34%, rgba(0,0,0,0.72));
  transition: opacity 0.45s ease;
  pointer-events: none;
}
.case-card:hover .case-art::after {
  opacity: 1;
}
.case-fallback {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.case-fallback svg { width: 100%; height: 100%; fill: none; stroke: rgba(241,210,139,0.86); stroke-width: 2.2; filter: drop-shadow(0 0 8px rgba(213,166,70,0.18)); }
.case-fallback .blue { stroke: rgba(95,184,255,0.55); }
.case-image {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 0.6s ease;
}
.case-art.has-image .case-image { display: block; }
.case-art.has-image .case-fallback { opacity: 0; }
.case-card:hover .case-image { transform: scale(1.05); }
.case-art h3 {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 18px;
  z-index: 4;
  margin: 0;
  min-height: 0;
  padding: 0;
  color: var(--white);
  font-size: clamp(18px, 2vw, 26px);
  line-height: 1.25;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.case-card:hover .case-art h3 {
  opacity: 1;
  transform: translateY(0);
}
.note { margin-top: 18px; font-size: 13px; }

.contact-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px; }
.contact-card, .project-form { padding: 28px; }
.contact-card p { padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,0.07); }
.contact-card a { color: var(--champagne); }
.project-form {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  overflow: hidden;
}
.project-form h3,
.project-form label,
.project-form .form-submit,
.project-form .form-message {
  transition: opacity 0.32s ease, transform 0.32s ease, visibility 0s linear 0.32s;
}
.project-form h3, .project-form .full, .form-submit, .form-message, .form-success { grid-column: 1 / -1; }
.project-form.is-submitted h3,
.project-form.is-submitted label,
.project-form.is-submitted .form-submit,
.project-form.is-submitted .form-message {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
}
label span { display: block; margin-bottom: 7px; color: var(--soft); font-size: 14px; }
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.12);
  padding: 14px;
  color: var(--white);
  font-size: 15px;
  background: rgba(255,255,255,0.06);
  border-radius: 0;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--champagne); box-shadow: 0 0 0 3px rgba(241,210,139,0.08); }
option { color: #111; }
.form-submit { width: 100%; }
.form-message { min-height: 24px; margin: 0; color: var(--champagne); }
.form-success {
  position: absolute;
  inset: 28px;
  z-index: 3;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  text-align: center;
  transform: translateY(12px);
  transition: opacity 0.36s ease, transform 0.36s ease, visibility 0s linear 0.36s;
}
.project-form.is-success-visible .form-success {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}
.form-success-building {
  width: min(300px, 100%);
  height: auto;
  overflow: visible;
}
.form-success-building line {
  fill: none;
  stroke: var(--gold);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.success-lines {
  filter: drop-shadow(0 0 0 rgba(212,175,55,0));
}
.success-foundation,
.success-column,
.success-roof,
.success-beam {
  stroke-dashoffset: var(--dash);
  stroke-dasharray: var(--dash);
}
.success-foundation { --dash: 100; }
.success-column { --dash: 68; }
.success-roof { --dash: 112; }
.success-beam { --dash: 170; stroke: rgba(241,210,139,0.86); }
.project-form.is-success-visible .success-foundation {
  animation: successDraw 0.8s ease forwards;
}
.project-form.is-success-visible .success-column {
  animation: successDraw 0.75s ease forwards;
}
.project-form.is-success-visible .c1 { animation-delay: 0.8s; }
.project-form.is-success-visible .c2 { animation-delay: 0.95s; }
.project-form.is-success-visible .c3 { animation-delay: 1.1s; }
.project-form.is-success-visible .c4 { animation-delay: 1.25s; }
.project-form.is-success-visible .c5 { animation-delay: 1.4s; }
.project-form.is-success-visible .c6 { animation-delay: 1.55s; }
.project-form.is-success-visible .success-roof {
  animation: successDraw 0.9s ease forwards;
  animation-delay: 2s;
}
.project-form.is-success-visible .success-beam {
  animation: successDraw 0.58s ease forwards;
  animation-delay: 2.25s;
}
.project-form.is-success-visible .success-lines {
  animation: successGlow 1.2s ease 3s forwards;
}
.success-shine {
  opacity: 0;
  stroke: rgba(255,246,204,0.96) !important;
  stroke-width: 8 !important;
  stroke-linecap: round;
  filter: blur(1px) drop-shadow(0 0 10px rgba(241,210,139,0.72));
  transform: translateX(-260px);
}
.project-form.is-success-visible .success-shine {
  animation: successShine 1.2s ease 3.05s forwards;
}
.form-success-text {
  margin: 0;
  color: var(--white);
  font-size: 1.1rem;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(14px);
}
.project-form.is-success-visible .form-success-text {
  animation: successTextIn 0.62s ease 3.35s forwards;
}
@keyframes successDraw {
  to { stroke-dashoffset: 0; }
}
@keyframes successGlow {
  0% { filter: drop-shadow(0 0 0 rgba(212,175,55,0)); }
  100% { filter: drop-shadow(0 0 9px rgba(212,175,55,0.55)); }
}
@keyframes successShine {
  0% { opacity: 0; transform: translateX(-260px); }
  18% { opacity: 0.72; }
  100% { opacity: 0; transform: translateX(260px); }
}
@keyframes successTextIn {
  to { opacity: 1; transform: translateY(0); }
}

.site-footer { padding: 44px 20px 36px; color: var(--muted); border-top: 1px solid rgba(255,255,255,0.08); background: rgba(0,0,0,0.22); font-size: 15px; }
.footer-grid { width: min(1280px, 100%); margin: 0 auto 24px; display: grid; grid-template-columns: 1.35fr 0.8fr 1.1fr 1fr; gap: 24px; }
.site-footer h3, .site-footer h4 { color: var(--champagne); margin-top: 0; }
.footer-brand {
  display: flex;
  align-items: center;
  min-height: 48px;
  margin-bottom: 12px;
}
.footer-logo {
  display: block;
  width: auto;
  height: 44px;
  max-width: 260px;
  object-fit: contain;
}
.copyright { width: min(1280px, 100%); margin: 0 auto; color: var(--muted); }
.icp-link {
  color: rgba(241,210,139,0.72);
  font-size: 0.92em;
  transition: color 0.2s ease;
}
.icp-link:hover {
  color: var(--champagne);
}
.float-actions { position: fixed; right: 18px; bottom: 18px; z-index: 25; display: grid; gap: 8px; }
.float-actions a {
  width: 50px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(241,210,139,0.48);
  color: var(--champagne);
  background: rgba(8,10,13,0.92);
  font-size: 12px;
  letter-spacing: 0.5px;
  font-weight: 900;
  box-shadow: 0 16px 34px rgba(0,0,0,0.32);
}
.float-actions a:hover { color: #111; background: var(--champagne); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes sweep { 0%, 55% { transform: translateX(-90%); opacity: 0; } 70% { opacity: 1; } 100% { transform: translateX(90%); opacity: 0; } }
@keyframes drift { from { transform: translateY(-10px); } to { transform: translateY(16px); } }
@keyframes dash { to { stroke-dashoffset: -180; } }
@keyframes scan { 0%,100% { transform: translateY(-70px); opacity: 0; } 50% { transform: translateY(60px); opacity: 1; } }
@keyframes fadePanel { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes heroGridDrift { 0% { background-position: 0 0, 0 0, 0 0, 0 0; } 100% { background-position: 42px 42px, 42px 42px, 168px 84px, 84px 168px; } }
@keyframes sloganShine { 0%, 68% { transform: translateX(-160%) skewX(-18deg); opacity: 0; } 72% { opacity: 1; } 84%, 100% { transform: translateX(280%) skewX(-18deg); opacity: 0; } }

@media (prefers-reduced-motion: no-preference) {
  .hero-grid {
    animation: heroGridDrift 30s linear infinite;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-grid,
  .blueprint-sweep,
  .structure-lines,
  .structure-lines .gold-line,
  .hero-slogan::after,
  .cut-line,
  .weld-arc,
  .process-visual .spark,
  .timeline-item,
  .timeline-path .flow-dot,
  .process-particles span,
  .capability-visual *,
  .capability-visual .spark,
  .weld-flash {
    animation: none !important;
  }
  .timeline-item {
    translate: none;
  }
  .factory-step,
  .factory-step::after,
  .factory-video-stage video,
  .project-form h3,
  .project-form label,
  .project-form .form-submit,
  .project-form .form-message,
  .form-success {
    transition: none !important;
    animation: none !important;
  }
  .project-form.is-success-visible .success-foundation,
  .project-form.is-success-visible .success-column,
  .project-form.is-success-visible .success-roof,
  .project-form.is-success-visible .success-beam {
    animation: none !important;
    stroke-dashoffset: 0;
  }
  .project-form.is-success-visible .success-lines {
    animation: none !important;
    filter: drop-shadow(0 0 8px rgba(212,175,55,0.42));
  }
  .project-form.is-success-visible .success-shine {
    animation: none !important;
    opacity: 0;
  }
  .project-form.is-success-visible .form-success-text {
    animation: none !important;
    opacity: 1;
    transform: none;
  }
  .column,
  .roof,
  .drawing-line,
  .membrane {
    stroke-dashoffset: 0;
  }
  .paint-fill {
    opacity: 0.5;
    transform: scaleX(1);
  }
  .step-bar {
    fill: rgba(241,210,139,0.55);
  }
  .custom-shape {
    stroke-dasharray: 260 0;
    stroke-dashoffset: 0;
  }
}

@media (max-width: 1060px) {
  .nav-panel { gap: 11px; font-size: 13px; }
  .service-grid, .matrix-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .case-card,
  .case-card:nth-child(1),
  .case-card:nth-child(2),
  .case-card:nth-child(3),
  .case-card:nth-child(4),
  .case-card:nth-child(5) {
    grid-column: span 1;
    min-height: 340px;
  }
  .timeline {
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
  }
  .timeline-item {
    min-height: 172px;
    padding-inline: 10px;
  }
  .timeline-item h3 {
    font-size: 15px;
  }
  .timeline-item p {
    font-size: 0.72rem;
  }
  .timeline::before { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .menu-toggle { display: block; }
  .nav-panel {
    position: absolute;
    top: 76px; left: 18px; right: 18px;
    display: none;
    padding: 18px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(5,5,6,0.96);
    border: 1px solid rgba(255,255,255,0.12);
  }
  .nav-panel.open { display: flex; }
  .brand-name { max-width: 190px; }
  .brand-logo { height: 38px; max-width: 180px; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-content { max-width: 100%; }
  .hero-bg-visual { width: 100%; opacity: 0.34; }
  .hero::after { width: 100%; }
  .structure-lines { width: 100vw; opacity: 0.18; }
  .stats-grid, .contact-layout, .feature-block, .feature-block.reverse, .project-selector { grid-template-columns: 1fr; }
  .factory-showcase {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .factory-video-stage {
    order: 1;
    min-height: 300px;
  }
  .factory-timeline {
    order: 2;
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding: 8px 2px 12px;
    scroll-snap-type: x proximity;
  }
  .factory-step {
    min-width: 168px;
    grid-template-columns: 42px minmax(0, 1fr);
    scroll-snap-align: start;
  }
  .factory-step:not(:last-child)::before,
  .factory-step:not(:last-child)::after {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 18px;
  }
  .stat-card:nth-child(2) {
    border-right: 0;
  }
  .timeline {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-top: 12px;
    padding-left: 0;
  }
  .timeline-path {
    left: 20px;
    right: auto;
    top: 18px;
    bottom: 18px;
    width: 2px;
    height: auto;
  }
  .timeline-path .flow-dot {
    left: 50%;
    top: 0;
    margin-top: 0;
    margin-left: -4px;
    animation: processFlowPulse 2.4s ease-in-out infinite;
  }
  .timeline-path span {
    transform: scaleY(0);
    transform-origin: top center;
    background: linear-gradient(180deg, var(--champagne), var(--gold), transparent);
  }
  .timeline-item {
    min-height: auto;
    padding: 18px 18px 18px 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  }
  .timeline-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 10px;
  }
  .timeline-item h3 {
    text-align: center;
  }
  .timeline-item p {
    text-align: center;
  }
  .timeline-item span {
    position: absolute;
    left: 1px;
    top: 18px;
    transform: none;
    width: 38px;
    height: 38px;
    margin: 0;
  }
}
@media (max-width: 768px) {
  .type-buttons {
    grid-template-columns: repeat(2, 1fr);
  }
  .type-btn {
    min-height: 112px;
    padding: 15px;
  }
  .type-btn strong {
    font-size: 15px;
  }
  .selector-result-grid {
    grid-template-columns: 1fr;
  }
  .selector-cta {
    width: 100%;
  }
  .service-card,
  .matrix-card {
    cursor: pointer;
    perspective: 1000px;
  }
  .service-card:hover .service-card-inner,
  .matrix-card:hover .capability-card-inner {
    transform: none;
  }
  .service-card.is-flipped .service-card-inner,
  .matrix-card.is-flipped .capability-card-inner {
    transform: rotateY(180deg);
  }
  .service-card-inner,
  .capability-card-inner {
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.7s ease;
  }
  .service-face,
  .capability-face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }
  .service-back,
  .capability-back {
    display: block;
  }
  .service-card:hover .service-front::before,
  .matrix-card:hover .capability-front::before {
    width: 0;
    height: 0;
    opacity: 0;
  }
}
@media (max-width: 620px) {
  .section { width: min(100% - 28px, 1280px); padding: 56px 0; scroll-margin-top: 90px; }
  .hero { padding-top: 116px; padding-bottom: 64px; }
  .hero-bg-visual { opacity: 0.26; }
  h1 { font-size: clamp(34px, 12vw, 48px); }
  .hero-actions, .contact-actions { flex-direction: column; }
  .hero-content::before { opacity: 0.11; left: -20px; top: 20%; }
  .hero-content::after { opacity: 0.34; }
  .brand { gap: 10px; }
  .brand-logo { height: 36px; max-width: 150px; }
  .brand-name { display: none; }
  .footer-logo { height: 38px; max-width: 220px; }
  .hero-subtitle { max-width: 100%; }
  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
  }
  .hero-metrics b { padding: 10px 12px; }
  .hero-metrics b:nth-child(2)::after { display: none; }
  .stats-grid, .service-grid, .matrix-grid, .type-result, .project-form, .footer-grid { grid-template-columns: 1fr; }
  .service-card,
  .service-card-inner,
  .service-face {
    min-height: 226px;
  }
  .service-card {
    perspective: 1000px;
  }
  .service-card:hover .service-card-inner {
    transform: none;
  }
  .service-card-inner {
    transform-style: preserve-3d;
  }
  .service-face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }
  .service-back {
    display: block;
  }
  .matrix-card,
  .capability-card-inner,
  .capability-face {
    min-height: 226px;
  }
  .matrix-card {
    perspective: 1000px;
  }
  .matrix-card:hover .capability-card-inner {
    transform: none;
  }
  .capability-card-inner {
    transform-style: preserve-3d;
  }
  .capability-face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }
  .capability-back {
    display: block;
  }
  .stats-grid { gap: 0; }
  .stat-card {
    padding: 18px 0;
    border-right: 0 !important;
    border-bottom: 1px solid rgba(212,175,55,0.18);
  }
  .stat-card:last-child {
    border-bottom: 0;
  }
  .case-grid { grid-template-columns: 1fr; }
  .case-card,
  .case-card:nth-child(1),
  .case-card:nth-child(2),
  .case-card:nth-child(3),
  .case-card:nth-child(4),
  .case-card:nth-child(5) {
    min-height: 320px;
  }
  .feature-block, .contact-card, .project-form, .project-selector, .hero-panel { padding: 22px; }
  .factory-video-stage {
    min-height: 240px;
  }
  .case-card h3 { min-height: auto; }
  .dash-tags { grid-template-columns: 1fr; }
  .float-actions { right: 10px; bottom: 10px; transform: scale(0.88); transform-origin: right bottom; }
}
@media (max-width: 768px) {
  .service-card,
  .matrix-card {
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }
  .service-card-inner,
  .capability-card-inner {
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
  }
  .service-face,
  .capability-face {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
  }
  .service-front,
  .capability-front {
    -webkit-transform: rotateY(0deg);
    transform: rotateY(0deg);
  }
  .service-back,
  .capability-back {
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
  }
  .service-card.is-flipped .service-card-inner,
  .matrix-card.is-flipped .capability-card-inner {
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
  }
}

/* 工程能力横向滚动长廊：保留原有翻转卡片和视频背面，只改变展示轨道。 */
.capability {
  overflow: hidden;
}
.capability-carousel {
  position: relative;
  margin-top: 8px;
  padding: 0 56px 30px;
}
.capability-window {
  position: relative;
  overflow-x: auto;
  overflow-y: visible;
  padding: 14px 2px 26px;
  scroll-behavior: smooth;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.capability-window::-webkit-scrollbar {
  display: none;
}
.capability-track {
  display: flex;
  grid-template-columns: none;
  gap: 16px;
  align-items: stretch;
}
.capability-track .matrix-card {
  flex: 0 0 420px;
  width: 420px;
  height: 260px;
  min-height: 260px;
  scroll-snap-align: start;
}
.capability-track .capability-card-inner,
.capability-track .capability-face {
  height: 260px;
  min-height: 260px;
}
.capability-track .capability-face {
  padding: 28px 24px;
}
.capability-track .capability-back {
  padding: 0;
}
.capability-track .matrix-card em {
  font-size: 3rem;
}
.capability-track .matrix-card b {
  font-size: 19px;
}
.capability-track .matrix-card p {
  font-size: 15px;
  line-height: 1.75;
}
.capability-carousel::before,
.capability-carousel::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 36px;
  z-index: 4;
  width: 76px;
  pointer-events: none;
}
.capability-carousel::before {
  left: 56px;
  background: linear-gradient(90deg, rgba(5,5,6,0.96), rgba(5,5,6,0));
}
.capability-carousel::after {
  right: 56px;
  background: linear-gradient(90deg, rgba(5,5,6,0), rgba(5,5,6,0.96));
}
.capability-nav {
  position: absolute;
  top: calc(50% - 15px);
  z-index: 7;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(241,210,139,0.62);
  border-radius: 50%;
  color: var(--champagne);
  background: rgba(10,8,4,0.82);
  box-shadow: 0 0 0 rgba(212,175,55,0);
  cursor: pointer;
  font-size: 30px;
  line-height: 1;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.capability-prev {
  left: 4px;
}
.capability-next {
  right: 4px;
}
.capability-nav:hover {
  transform: translateY(-2px);
  background: rgba(212,175,55,0.16);
  box-shadow: 0 0 18px rgba(212,175,55,0.38);
}
.capability-nav.is-disabled {
  opacity: 1;
  box-shadow: none;
}
.capability-progress {
  position: absolute;
  left: 56px;
  right: 56px;
  bottom: 0;
  height: 1px;
  overflow: hidden;
  background: rgba(241,210,139,0.16);
}
.capability-progress span {
  display: block;
  width: 0%;
  min-width: 48px;
  height: 100%;
  background: linear-gradient(90deg, rgba(212,175,55,0.65), rgba(245,216,122,1));
  box-shadow: 0 0 12px rgba(212,175,55,0.42);
  transition: width 0.16s ease;
}

@media (max-width: 768px) {
  .capability-carousel {
    padding: 0 0 24px;
  }
  .capability-window {
    padding: 10px 0 20px;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 0;
  }
  .capability-track {
    gap: 14px;
  }
  .capability-track .matrix-card {
    flex: 0 0 100%;
    width: 100%;
    height: 300px;
    min-height: 300px;
    scroll-snap-align: center;
  }
  .capability-track .capability-card-inner,
  .capability-track .capability-face {
    height: 300px;
    min-height: 300px;
  }
  .capability-track .capability-face {
    padding: 24px;
  }
  .capability-track .capability-back {
    padding: 0;
  }
  .capability-track .matrix-card em {
    font-size: 2.55rem;
  }
  .capability-track .matrix-card b {
    font-size: 18px;
  }
  .capability-track .matrix-card p {
    font-size: 14px;
  }
  .capability-nav {
    display: none;
  }
  .capability-carousel::before,
  .capability-carousel::after {
    top: 0;
    bottom: 34px;
    width: 34px;
  }
  .capability-carousel::before {
    left: 0;
  }
  .capability-carousel::after {
    right: 0;
  }
  .capability-progress {
    left: 0;
    right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .capability-window {
    scroll-behavior: auto;
  }
  .capability-progress span,
  .capability-nav {
    transition: none !important;
  }
}

@media (max-width: 768px) {
  .capability-console {
    grid-template-columns: 1fr;
    gap: 18px;
    min-height: auto;
    margin-top: 24px;
    padding: 18px;
  }
  .capability-display {
    order: 1;
    min-height: clamp(260px, 68vw, 360px);
  }
  .capability-display-content {
    left: 18px;
    right: 18px;
    bottom: 18px;
  }
  .capability-display-kicker {
    margin-bottom: 10px;
    font-size: 11px;
  }
  .capability-display-kicker::after {
    width: 58px;
  }
  .capability-display-content h3 {
    font-size: clamp(26px, 9vw, 36px);
  }
  .capability-display-content p {
    font-size: 14px;
    line-height: 1.65;
  }
  .capability-display-tags {
    gap: 6px;
    margin-top: 12px;
  }
  .capability-display-tags span {
    padding: 6px 8px;
    font-size: 10px;
  }
  .capability-rail {
    order: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: stretch;
    gap: 10px;
    padding: 0;
  }
  .capability-rail::before {
    display: none;
  }
  .capability-node {
    min-height: 72px;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 9px;
    padding: 10px;
    border: 1px solid rgba(216,194,122,0.16);
    background: rgba(255,255,255,0.035);
  }
  .capability-node:hover,
  .capability-node.is-active {
    transform: none;
  }
  .capability-node-index {
    width: 36px;
    height: 36px;
    font-size: 12px;
  }
  .capability-node-title {
    font-size: 14px;
  }
  .capability-node-desc {
    display: none;
  }
  .capability-node.is-active {
    border-color: rgba(216,194,122,0.48);
    background: rgba(216,194,122,0.07);
  }
}

/* 自有加工厂手机端：6个工序全部显示，避免横向时间轴只露出前两项。 */
@media (max-width: 768px) {
  .factory-panel {
    overflow: visible;
  }
  .factory-showcase {
    grid-template-columns: 1fr;
    gap: 18px;
    min-height: auto;
  }
  .factory-video-stage {
    order: 1;
    min-height: clamp(210px, 56vw, 260px);
  }
  .factory-timeline {
    order: 2;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
    gap: 12px;
    overflow: visible;
    padding: 2px 0 0;
    scroll-snap-type: none;
  }
  .factory-step {
    min-width: 0;
    min-height: 72px;
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
    padding: 12px;
    border: 1px solid rgba(212,175,55,0.18);
    background: rgba(255,255,255,0.035);
    scroll-snap-align: none;
    transform: none;
  }
  .factory-step:not(:last-child)::before,
  .factory-step:not(:last-child)::after {
    display: none;
  }
  .factory-step.is-active {
    transform: translateY(-2px);
    border-color: rgba(212,175,55,0.62);
    background: rgba(212,175,55,0.08);
    box-shadow: 0 0 18px rgba(212,175,55,0.14);
  }
  .factory-step-number {
    width: 36px;
    height: 36px;
    font-size: 13px;
  }
  .factory-step-name {
    font-size: 14px;
    line-height: 1.35;
  }
}

/* 自有加工厂沉浸式版本：让工厂图成为背景主视觉，而不是右侧小配图。 */
.factory .factory-panel {
  min-height: 650px;
  grid-template-columns: minmax(0, 0.54fr) minmax(0, 0.46fr);
  align-items: center;
  gap: 34px;
  padding: clamp(44px, 5vw, 72px);
  overflow: hidden;
  border-color: rgba(216,194,122,0.1);
  background:
    linear-gradient(90deg, rgba(6,7,9,0.98) 0%, rgba(6,7,9,0.90) 34%, rgba(6,7,9,0.42) 64%, rgba(6,7,9,0.1) 100%),
    #07090d;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.035), 0 28px 80px rgba(0,0,0,0.24);
}
.factory .factory-panel::before {
  z-index: 0;
  background-image: url("assets/images/factory-interior.png");
  background-size: cover;
  background-position: center right;
  opacity: 0.96;
  filter: saturate(1.02) contrast(1.06) brightness(0.9);
  mask-image: none;
  -webkit-mask-image: none;
}
.factory .factory-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(6,7,9,0.98) 0%, rgba(6,7,9,0.86) 32%, rgba(6,7,9,0.44) 56%, rgba(6,7,9,0.12) 100%),
    linear-gradient(180deg, rgba(6,7,9,0.34), transparent 42%, rgba(6,7,9,0.74)),
    radial-gradient(ellipse at 30% 24%, rgba(216,194,122,0.08), transparent 42%);
}
.factory .factory-proof-copy {
  max-width: 720px;
}
.factory .factory-proof-copy .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 18px;
}
.factory .factory-proof-copy .eyebrow::after {
  content: "";
  width: 82px;
  height: 1px;
  background: linear-gradient(90deg, rgba(216,194,122,0.7), transparent);
}
.factory .factory-proof-copy h2 {
  max-width: 680px;
  font-size: clamp(42px, 5.4vw, 72px);
  line-height: 1.08;
  margin-bottom: 26px;
}
.factory .factory-proof-copy > p:not(.eyebrow):not(.factory-note) {
  max-width: 720px;
  color: rgba(255,255,255,0.78);
  font-size: 17px;
}
.factory .factory-note {
  max-width: 680px;
  margin-top: 20px;
  background: linear-gradient(90deg, rgba(216,194,122,0.08), transparent 72%);
}
.factory .factory-advantages {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 760px;
  margin-top: 34px;
}
.factory .factory-advantages article {
  min-height: 112px;
  border-color: rgba(216,194,122,0.24);
  background: linear-gradient(135deg, rgba(14,15,18,0.78), rgba(18,15,9,0.66));
  backdrop-filter: blur(12px);
}
.factory .factory-showcase {
  align-self: end;
  grid-column: 1 / -1;
  gap: 0;
  margin-top: 8px;
}
.factory .factory-image-stage {
  display: none;
}
.factory .factory-flow-strip {
  width: min(760px, 100%);
  padding-top: 28px;
}
.factory .factory-flow-strip::before {
  top: 45px;
  left: 7%;
  right: 7%;
  background: linear-gradient(90deg, rgba(216,194,122,0.16), rgba(216,194,122,0.85), rgba(216,194,122,0.16));
  box-shadow: 0 0 18px rgba(216,194,122,0.2);
}
.factory .factory-flow-strip i {
  width: 58px;
  height: 58px;
  background:
    radial-gradient(circle, rgba(216,194,122,0.12), rgba(8,9,11,0.94) 62%);
  font-size: 12px;
}
.factory .factory-flow-strip b {
  color: rgba(255,255,255,0.82);
  font-size: 14px;
}

@media (max-width: 1060px) {
  .factory .factory-panel {
    grid-template-columns: 1fr;
    min-height: 620px;
  }
  .factory .factory-advantages {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .factory .factory-panel {
    min-height: auto;
    padding: 28px 22px 32px;
    background: #07090d;
  }
  .factory .factory-panel::before {
    background-position: center;
    opacity: 0.54;
  }
  .factory .factory-panel::after {
    background:
      linear-gradient(180deg, rgba(6,7,9,0.92) 0%, rgba(6,7,9,0.78) 42%, rgba(6,7,9,0.9) 100%),
      linear-gradient(90deg, rgba(6,7,9,0.86), rgba(6,7,9,0.26));
  }
  .factory .factory-proof-copy h2 {
    font-size: clamp(34px, 10.2vw, 46px);
  }
  .factory .factory-proof-copy > p:not(.eyebrow):not(.factory-note) {
    font-size: 15px;
  }
  .factory .factory-advantages {
    grid-template-columns: 1fr;
    margin-top: 22px;
  }
  .factory .factory-flow-strip {
    width: 100%;
    padding-top: 20px;
  }
  .factory .factory-flow-strip i {
    width: 44px;
    height: 44px;
  }
  .factory .factory-flow-strip::before {
    top: 34px;
  }
}

/* 手机端全宽修复：背景铺满屏幕，内容只保留舒适的 20px 安全边距。 */
@media (max-width: 768px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .section,
  .section:not(.hero) {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
  }

  .nav-wrap {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
  }

  .nav-panel {
    left: 20px;
    right: 20px;
  }

  .hero-content,
  .section-heading,
  .selector-section .section-heading,
  .process .section-heading,
  .contact-layout,
  .footer-grid,
  .copyright,
  .capability-carousel,
  .capability-window {
    max-width: 100%;
    padding-left: 0;
    padding-right: 0;
    box-sizing: border-box;
  }

  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
  }
}

/* 核心业务展示墙最终布局：桌面不规则，手机前两张大卡 + 后六张双列。 */
@media (max-width: 1060px) and (min-width: 769px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .service-media-card,
  .service-feature-card {
    grid-column: span 1;
    min-height: 340px;
  }
}

@media (max-width: 768px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  .service-media-card {
    grid-column: span 1 !important;
    min-height: 188px;
    padding: 0;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
    background: #080a0d;
    perspective: none !important;
    cursor: default;
  }
  .service-feature-card {
    grid-column: 1 / -1 !important;
    min-height: 230px;
  }
  .service-media-card:hover {
    transform: none;
    box-shadow: none;
  }
  .service-media-card::before {
    border-left-width: 1px;
    background:
      linear-gradient(180deg, rgba(5,6,7,0) 0%, rgba(5,6,7,0.08) 36%, rgba(5,6,7,0.58) 70%, rgba(5,6,7,0.9) 100%),
      linear-gradient(90deg, rgba(5,6,7,0.18), rgba(5,6,7,0.02) 58%, rgba(5,6,7,0.12));
  }
  .service-media-card::after {
    display: none;
  }
  .service-media-card:hover .service-media-image {
    filter: none;
    transform: scale(1.01);
  }
  .service-media-overlay {
    padding: 14px;
  }
  .service-feature-card .service-media-overlay {
    padding: 18px;
  }
  .service-number {
    font-size: 28px;
  }
  .service-feature-card .service-number {
    font-size: 36px;
  }
  .service-label {
    padding: 3px 6px;
    font-size: 9px;
    letter-spacing: 0.12em;
  }
  .service-media-copy h3 {
    font-size: 16px;
    line-height: 1.28;
  }
  .service-feature-card .service-media-copy h3 {
    font-size: 22px;
  }
  .service-media-copy p {
    display: -webkit-box;
    margin-top: 7px;
    overflow: hidden;
    color: rgba(255,255,255,0.68);
    font-size: 12px;
    line-height: 1.45;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .service-feature-card .service-media-copy p {
    font-size: 13px;
    line-height: 1.55;
    -webkit-line-clamp: 3;
  }
}

/* 手机端首屏专用海报模式：使用竖版工程图，保留桌面端首屏不变。 */
@media (max-width: 768px) {
  .hero {
    min-height: 100svh;
    padding-top: 104px;
    padding-bottom: 38px;
    align-items: stretch;
    background: #050506;
  }

  .hero-bg-visual {
    height: 100%;
    opacity: 0.78;
    background-image: url("assets/images/home-hero-mobile.png");
    background-size: cover;
    background-position: center center;
    filter: saturate(1.08) contrast(1.08) brightness(0.92);
    transform: none !important;
  }

  .hero-grid {
    opacity: 0.28;
    mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,0.7) 62%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,0.7) 62%, transparent 100%);
  }

  .hero::before {
    opacity: 0.74;
    background:
      radial-gradient(circle at 18% 22%, rgba(241,210,139,0.12), transparent 34%),
      linear-gradient(128deg, rgba(213,166,70,0.12), transparent 38%);
  }

  .hero::after {
    background-image:
      linear-gradient(180deg, rgba(5,5,6,0.92) 0%, rgba(5,5,6,0.62) 34%, rgba(5,5,6,0.30) 62%, rgba(5,5,6,0.86) 100%),
      linear-gradient(90deg, rgba(5,5,6,0.94) 0%, rgba(5,5,6,0.66) 56%, rgba(5,5,6,0.22) 100%);
  }

  .blueprint-sweep {
    opacity: 0.42;
  }

  .structure-lines {
    right: -36vw;
    top: 16%;
    width: 110vw;
    opacity: 0.09;
  }

  .hero-content {
    display: flex;
    min-height: calc(100svh - 142px);
    flex-direction: column;
    justify-content: center;
  }

  .hero-content::before {
    width: 78vw;
    height: 210px;
    left: -26px;
    top: 26%;
    opacity: 0.08;
  }

  .hero-content::after {
    left: -52px;
    top: 5%;
    width: 88vw;
    height: 58%;
    opacity: 0.48;
  }

  .hero .eyebrow {
    margin-bottom: 12px;
    max-width: 310px;
    color: rgba(255,226,157,0.88);
    font-size: 12px;
    line-height: 1.45;
    letter-spacing: 1.9px;
  }

  .hero h1 {
    max-width: 95%;
    margin-bottom: 16px;
    font-size: clamp(38px, 10.8vw, 48px);
    line-height: 1.06;
    text-shadow: 0 20px 48px rgba(0,0,0,0.72);
  }

  .hero h2 {
    font-size: clamp(20px, 5.4vw, 25px);
    line-height: 1.28;
    text-shadow: 0 12px 30px rgba(0,0,0,0.6);
  }

  .hero-slogan {
    margin-bottom: 12px;
    font-size: clamp(17px, 4.8vw, 21px);
    line-height: 1.45;
  }

  .hero-text {
    display: -webkit-box;
    max-width: 94%;
    overflow: hidden;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    color: rgba(255,255,255,0.72);
    font-size: 15px;
    line-height: 1.76;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 20px;
  }

  .hero-actions .btn {
    min-height: 42px;
    padding: 10px 12px;
    font-size: 15px;
  }

  .hero-actions .btn.primary {
    grid-column: 1 / -1;
  }

  .hero-metrics {
    width: 100%;
    margin-top: 14px;
    border-color: rgba(241,210,139,0.18);
    background: rgba(5,7,10,0.28);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.03);
  }

  .hero-metrics b {
    padding: 8px 10px;
  }

  .hero-metrics em {
    font-size: 16px;
  }

  .hero-metrics small {
    font-size: 11px;
  }

  .float-actions {
    right: 8px;
    bottom: 8px;
    grid-auto-flow: column;
    grid-template-columns: repeat(3, auto);
    gap: 6px;
    transform: none;
  }

  .float-actions a {
    width: 42px;
    height: 34px;
    background: rgba(5,7,10,0.74);
    font-size: 11px;
    box-shadow: 0 10px 24px rgba(0,0,0,0.34);
  }
}

/* 自有加工厂新版：从“工序视频控制台”改为“工厂实力与交付信任”展示板，避免和工程能力区重复。 */
.factory-panel {
  position: relative;
  grid-template-columns: minmax(0, 0.52fr) minmax(420px, 0.48fr);
  gap: 38px;
  align-items: stretch;
  padding: 42px;
  background:
    linear-gradient(135deg, rgba(16,18,22,0.94), rgba(7,8,10,0.92)),
    radial-gradient(ellipse at 100% 100%, rgba(216,194,122,0.08), transparent 54%);
}
.factory-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(95,184,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.5;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.factory-panel > * {
  position: relative;
  z-index: 1;
}
.factory-proof-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.factory-proof-copy h2 {
  max-width: 760px;
}
.factory-proof-copy > p:not(.eyebrow):not(.factory-note) {
  max-width: 820px;
}
.factory-advantages {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}
.factory-advantages article {
  position: relative;
  min-height: 118px;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(216,194,122,0.18);
  border-left: 2px solid rgba(216,194,122,0.55);
  background:
    linear-gradient(135deg, rgba(216,194,122,0.09), rgba(255,255,255,0.025)),
    rgba(255,255,255,0.025);
}
.factory-advantages article::after {
  content: "";
  position: absolute;
  right: -28px;
  bottom: -28px;
  width: 96px;
  height: 96px;
  border: 1px solid rgba(216,194,122,0.16);
  transform: rotate(45deg);
}
.factory-advantages strong {
  display: block;
  color: #fff7df;
  font-size: 17px;
  line-height: 1.35;
}
.factory-advantages span {
  display: block;
  margin-top: 10px;
  color: rgba(255,255,255,0.58);
  font-size: 13px;
  line-height: 1.6;
}
.factory-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  min-height: 0;
}
.factory-image-stage {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: 12px;
  background: #0b0d10;
  box-shadow: 0 28px 70px rgba(0,0,0,0.38), inset 0 0 0 1px rgba(216,194,122,0.14);
  isolation: isolate;
}
.factory-image-stage img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.96) contrast(1.04) brightness(0.82);
}
.factory-image-stage::before,
.factory-image-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.factory-image-stage::before {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(7,8,10,0.62), transparent 38%),
    linear-gradient(180deg, rgba(7,8,10,0.12), rgba(7,8,10,0.62));
}
.factory-image-stage::after {
  z-index: 2;
  opacity: 0.22;
  mix-blend-mode: screen;
  background-image:
    linear-gradient(rgba(95,184,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.08) 1px, transparent 1px);
  background-size: 36px 36px;
}
.factory-image-stage span {
  position: absolute;
  right: 18px;
  top: 18px;
  z-index: 3;
  padding: 7px 10px;
  border: 1px solid rgba(216,194,122,0.32);
  color: var(--champagne);
  background: rgba(7,8,10,0.52);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
}
.factory-flow-strip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  padding: 15px 0 0;
}
.factory-flow-strip::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 31px;
  height: 1px;
  background: linear-gradient(90deg, rgba(216,194,122,0.22), rgba(216,194,122,0.62), rgba(216,194,122,0.22));
}
.factory-flow-strip span {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.62);
  font-size: 12px;
  text-align: center;
}
.factory-flow-strip i {
  position: relative;
  z-index: 1;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(216,194,122,0.48);
  border-radius: 50%;
  color: var(--champagne);
  background: #090a0d;
  font-style: normal;
  font-size: 11px;
  font-weight: 900;
  box-shadow: 0 0 16px rgba(216,194,122,0.12);
}
.factory-flow-strip b {
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
}

@media (max-width: 1060px) {
  .factory-panel {
    grid-template-columns: 1fr;
  }
  .factory-image-stage {
    min-height: 360px;
  }
}

@media (max-width: 768px) {
  .factory-panel {
    gap: 24px;
    padding: 22px;
  }
  .factory-advantages {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 20px;
  }
  .factory-advantages article {
    min-height: auto;
    padding: 15px;
  }
  .factory-showcase {
    gap: 14px;
  }
  .factory-image-stage {
    min-height: clamp(230px, 62vw, 320px);
    border-radius: 10px;
  }
  .factory-flow-strip {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding: 12px 2px 6px;
    scrollbar-width: none;
  }
  .factory-flow-strip::-webkit-scrollbar {
    display: none;
  }
  .factory-flow-strip::before {
    left: 18px;
    right: auto;
    width: calc(100% - 36px);
    min-width: 500px;
    top: 28px;
  }
  .factory-flow-strip span {
    min-width: 88px;
  }
}

/* 自有加工厂手机端精修：补齐移动端海报感，与效果图一致地展示优势卡片和加工流程。 */
.factory-advantages article > svg {
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  color: var(--champagne);
  stroke-width: 1.35;
}
.factory-flow-title {
  margin: 0 0 12px;
  color: var(--champagne);
  font-size: 20px;
  line-height: 1.2;
}
.factory-flow-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  margin-top: 10px;
  background: linear-gradient(90deg, rgba(216,194,122,0.86), transparent);
}
.factory-flow-strip small {
  display: block;
  margin-top: 5px;
  color: rgba(255,255,255,0.54);
  font-size: 12px;
  line-height: 1.3;
}
.factory-flow-strip .factory-flow-icon {
  width: 26px;
  height: 26px;
  color: var(--champagne);
  stroke-width: 1.5;
}
.factory-flow-strip .factory-flow-node {
  position: relative;
  z-index: 1;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(216,194,122,0.5);
  border-radius: 50%;
  color: var(--champagne);
  background:
    radial-gradient(circle, rgba(216,194,122,0.08), rgba(8,9,11,0.94) 68%);
  box-shadow: 0 0 16px rgba(216,194,122,0.12);
  font-style: normal;
}

@media (max-width: 768px) {
  .factory.section {
    padding-left: 0;
    padding-right: 0;
  }
  .factory .factory-panel {
    min-height: 100svh;
    padding: 116px 28px 42px;
    border-inline: 0;
    border-radius: 0;
    box-shadow: none;
  }
  .factory .factory-panel::before {
    background-size: cover;
    background-position: 58% 48%;
    opacity: 0.9;
    filter: saturate(1.04) contrast(1.07) brightness(0.9);
  }
  .factory .factory-panel::after {
    background:
      linear-gradient(180deg, rgba(6,7,9,0.96) 0%, rgba(6,7,9,0.72) 28%, rgba(6,7,9,0.28) 52%, rgba(6,7,9,0.84) 73%, rgba(6,7,9,0.98) 100%),
      linear-gradient(90deg, rgba(6,7,9,0.9) 0%, rgba(6,7,9,0.5) 58%, rgba(6,7,9,0.12) 100%),
      radial-gradient(ellipse at 12% 18%, rgba(216,194,122,0.12), transparent 44%);
  }
  .factory .factory-proof-copy .eyebrow {
    margin-bottom: 16px;
    color: var(--champagne);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: none;
  }
  .factory .factory-proof-copy .eyebrow::after {
    width: 66px;
  }
  .factory .factory-proof-copy h2 {
    max-width: 330px;
    margin-bottom: 20px;
    font-size: clamp(40px, 12.2vw, 56px);
    line-height: 1.12;
    text-shadow: 0 20px 48px rgba(0,0,0,0.72);
  }
  .factory .factory-proof-copy > p:not(.eyebrow):not(.factory-note) {
    max-width: 330px;
    color: rgba(255,255,255,0.72);
    font-size: 17px;
    line-height: 1.78;
  }
  .factory .factory-note {
    display: none;
  }
  .factory .factory-advantages {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: clamp(190px, 34vh, 300px);
  }
  .factory .factory-advantages article {
    min-height: 168px;
    padding: 18px 10px;
    display: grid;
    align-content: center;
    justify-items: center;
    text-align: center;
    border-color: rgba(216,194,122,0.48);
    border-left: 1px solid rgba(216,194,122,0.48);
    border-radius: 6px;
    background: linear-gradient(145deg, rgba(16,17,20,0.76), rgba(10,11,14,0.66));
    box-shadow: 0 18px 44px rgba(0,0,0,0.22);
  }
  .factory .factory-advantages article::before {
    content: "0" counter(factoryAdv);
    color: rgba(216,194,122,0.82);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.12em;
  }
  .factory .factory-advantages article::after {
    display: none;
  }
  .factory .factory-advantages {
    counter-reset: factoryAdv;
  }
  .factory .factory-advantages article {
    counter-increment: factoryAdv;
  }
  .factory-advantages article > svg {
    display: none;
  }
  .factory .factory-advantages strong {
    font-size: 17px;
    line-height: 1.25;
  }
  .factory .factory-advantages span {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.45;
  }
  .factory .factory-showcase {
    margin-top: 34px;
  }
  .factory-flow-title {
    margin-left: 0;
    margin-bottom: 18px;
    font-size: 25px;
  }
  .factory .factory-flow-strip {
    display: grid;
    grid-template-columns: repeat(5, minmax(62px, 1fr));
    gap: 6px;
    overflow: visible;
    padding: 8px 0 0;
  }
  .factory .factory-flow-strip::before {
    left: 34px;
    right: 34px;
    top: 37px;
    width: auto;
    min-width: 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(216,194,122,0.18), rgba(216,194,122,0.9), rgba(216,194,122,0.18));
  }
  .factory .factory-flow-strip span {
    min-width: 0;
    gap: 8px;
  }
  .factory .factory-flow-strip .factory-flow-node,
  .factory .factory-flow-strip .factory-flow-icon {
    width: 54px;
    height: 54px;
  }
  .factory .factory-flow-strip .factory-flow-icon {
    width: 26px;
    height: 26px;
  }
  .factory .factory-flow-strip b {
    color: rgba(255,255,255,0.9);
    font-size: 15px;
  }
  .factory-flow-strip small {
    font-size: 12px;
  }
}

/* 方案沟通手机端：去掉外层框中框，强化对比滑块的主视觉感。 */
@media (max-width: 768px) {
  .ai-visual.section {
    padding-top: 68px;
    padding-bottom: 74px;
    background:
      radial-gradient(ellipse at 82% 10%, rgba(216,194,122,0.055), transparent 44%),
      linear-gradient(180deg, #07090d 0%, #0b1015 52%, #07090d 100%);
  }

  .ai-visual.section::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.22;
    background-image:
      linear-gradient(rgba(95,184,255,0.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(95,184,255,0.06) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(180deg, transparent, #000 16%, #000 84%, transparent);
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 16%, #000 84%, transparent);
  }

  .ai-visual .feature-block.reverse {
    gap: 34px;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .ai-visual .compare-card {
    width: 100%;
    height: clamp(300px, 76vw, 360px);
    min-height: clamp(300px, 76vw, 360px);
    border-color: rgba(216,194,122,0.22);
    border-radius: 10px;
    background: #081524;
    box-shadow:
      0 26px 70px rgba(0,0,0,0.38),
      inset 0 0 0 1px rgba(255,255,255,0.045);
  }

  .ai-visual .compare-slider::after {
    background:
      radial-gradient(circle at 72% 18%, rgba(241,210,139,0.14), transparent 34%),
      linear-gradient(180deg, rgba(0,0,0,0.04), rgba(0,0,0,0.18));
  }

  .ai-visual .compare-layer b {
    top: 18px;
    font-size: 12px;
    letter-spacing: 0.22em;
  }

  .ai-visual .compare-cad b {
    left: 20px;
  }

  .ai-visual .compare-visual b {
    right: 20px;
  }

  .ai-visual .compare-divider {
    width: 2px;
    background: linear-gradient(180deg, transparent, rgba(241,210,139,0.96), transparent);
  }

  .ai-visual .compare-handle {
    width: 44px;
    height: 44px;
    background: rgba(6,8,11,0.92);
    box-shadow: 0 0 0 7px rgba(241,210,139,0.08), 0 16px 34px rgba(0,0,0,0.44);
  }

  .ai-visual .feature-block.reverse > div:last-child {
    padding: 0 2px;
  }

  .ai-visual .feature-block.reverse > div:last-child .eyebrow {
    margin-bottom: 18px;
    color: rgba(255,226,157,0.78);
    letter-spacing: 0.08em;
  }

  .ai-visual .feature-block.reverse > div:last-child h2 {
    max-width: 360px;
    margin-bottom: 18px;
    font-size: clamp(32px, 8.6vw, 42px);
    line-height: 1.2;
  }

  .ai-visual .feature-block.reverse > div:last-child p:not(.eyebrow) {
    max-width: 360px;
    color: rgba(255,255,255,0.72);
    font-size: 17px;
    line-height: 1.92;
  }
}

/* 关于我们独立页：复用主页黑金工业体系，只补页面级布局。 */
.about-detail-main {
  background: #0a0804;
}
.about-page-hero {
  min-height: calc(100vh - 76px);
  padding-top: 132px;
  padding-bottom: 86px;
  overflow: hidden;
}
.about-page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.48;
  background:
    linear-gradient(116deg, transparent 0 36%, rgba(216,194,122,0.08) 37%, transparent 38%),
    linear-gradient(64deg, transparent 0 58%, rgba(95,184,255,0.045) 59%, transparent 60%),
    linear-gradient(90deg, rgba(95,184,255,0.04) 1px, transparent 1px),
    linear-gradient(rgba(95,184,255,0.035) 1px, transparent 1px);
  background-size: auto, auto, 52px 52px, 52px 52px;
  mask-image: linear-gradient(90deg, transparent, #000 14%, #000 88%, transparent);
}
.about-page-hero > * {
  position: relative;
  z-index: 1;
}
.about-page-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(360px, 0.38fr);
  gap: 36px;
  align-items: stretch;
}
.about-story {
  display: grid;
  align-content: center;
}
.about-story h1 {
  max-width: 820px;
  margin-bottom: 20px;
  font-size: clamp(46px, 5.4vw, 74px);
  line-height: 1.08;
}
.about-page-lead {
  margin-bottom: 18px;
  color: var(--champagne);
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 800;
  line-height: 1.35;
}
.about-page-body {
  max-width: 860px;
  color: rgba(255,255,255,0.74);
  font-size: 17px;
  line-height: 1.95;
}
.about-page-data {
  margin-top: 34px;
}
.about-page-visual {
  position: relative;
  min-height: 520px;
  padding: 28px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 26px;
  border: 1px solid rgba(216,194,122,0.18);
  background:
    radial-gradient(ellipse at 72% 20%, rgba(216,194,122,0.14), transparent 40%),
    linear-gradient(145deg, rgba(16,18,22,0.9), rgba(8,9,11,0.9));
  box-shadow: var(--shadow);
}
.about-frame-visual {
  position: relative;
  flex: 0 0 auto;
  height: 280px;
  overflow: hidden;
  border: 1px solid rgba(95,184,255,0.12);
  background:
    linear-gradient(90deg, rgba(95,184,255,0.08) 1px, transparent 1px),
    linear-gradient(rgba(95,184,255,0.08) 1px, transparent 1px);
  background-size: 26px 26px;
}
.about-frame-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: none;
}
.about-frame-visual::before {
  display: none;
}
.about-frame-visual::after {
  display: none;
}
.about-frame-visual span {
  display: none;
}
.about-frame-visual span:nth-child(1) { left: 8%; top: 72%; width: 84%; }
.about-frame-visual span:nth-child(2) { left: 9%; top: 72%; width: 38%; transform: rotate(-30deg); }
.about-frame-visual span:nth-child(3) { left: 44%; top: 40%; width: 45%; transform: rotate(30deg); }
.about-frame-visual span:nth-child(4) { left: 20%; top: 72%; width: 96px; transform: rotate(-90deg); }
.about-frame-visual span:nth-child(5) { left: 56%; top: 72%; width: 118px; transform: rotate(-90deg); }
.about-frame-visual span:nth-child(6) { left: 78%; top: 72%; width: 82px; transform: rotate(-90deg); }
.about-visual-copy {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: start;
  min-height: 0;
  padding-top: 0;
}
.about-visual-copy h2 {
  margin-bottom: 12px;
  color: #fff8e5;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.22;
}
.about-visual-copy p {
  color: rgba(255,255,255,0.64);
  line-height: 1.8;
}
.about-qr-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
}
.about-qr-placeholder {
  position: relative;
  width: 132px;
  aspect-ratio: 1;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid rgba(216,194,122,0.42);
  background:
    linear-gradient(90deg, rgba(216,194,122,0.12) 1px, transparent 1px),
    linear-gradient(rgba(216,194,122,0.12) 1px, transparent 1px),
    rgba(255,255,255,0.035);
  background-size: 13px 13px;
  color: rgba(241,210,139,0.72);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
}
.about-qr-placeholder::before {
  content: "QR";
  padding: 10px 12px;
  border: 1px solid rgba(216,194,122,0.28);
  background: rgba(5,5,6,0.72);
}
.about-qr-placeholder.has-image {
  padding: 0;
  background: transparent;
}
.about-qr-placeholder.has-image::before {
  display: none;
}
.about-qr-placeholder img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.about-qr-row strong {
  display: block;
  margin-bottom: 6px;
  color: var(--champagne);
}
.about-qr-row p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}
.about-proof-section {
  padding-top: 82px;
  padding-bottom: 92px;
}
.about-advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}
.about-advantage {
  position: relative;
  min-height: 230px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  border-left: 2px solid rgba(216,194,122,0.42);
  background:
    linear-gradient(135deg, rgba(26,22,8,0.78), rgba(9,10,12,0.82)),
    radial-gradient(ellipse at 100% 0%, rgba(216,194,122,0.09), transparent 48%);
}
.about-advantage::after {
  content: "";
  position: absolute;
  right: -42px;
  bottom: -42px;
  width: 110px;
  height: 110px;
  border: 1px solid rgba(216,194,122,0.08);
  transform: rotate(45deg);
}
.about-advantage em {
  display: block;
  margin-bottom: 22px;
  color: rgba(241,210,139,0.9);
  font-style: normal;
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
}
.about-advantage h3 {
  margin-bottom: 12px;
  color: #fff8e5;
  font-size: 20px;
  line-height: 1.38;
}
.about-advantage p {
  margin: 0;
  color: rgba(255,255,255,0.62);
  font-size: 14px;
  line-height: 1.75;
}
.about-page-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-top: 34px;
  padding: 26px;
  border: 1px solid rgba(216,194,122,0.18);
  background:
    linear-gradient(90deg, rgba(216,194,122,0.1), rgba(255,255,255,0.025)),
    rgba(0,0,0,0.18);
}
.about-page-cta h3 {
  margin-bottom: 10px;
  color: #fff8e5;
  font-size: 24px;
}
.about-page-cta p {
  margin: 0;
  color: rgba(255,255,255,0.68);
  line-height: 1.75;
}
.about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 1060px) {
  .about-page-layout {
    grid-template-columns: 1fr;
  }
  .about-page-visual {
    min-height: 420px;
  }
  .about-advantages-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .about-page-hero {
    padding-top: 112px;
    padding-bottom: 54px;
  }
  .about-story h1 {
    font-size: clamp(38px, 11vw, 52px);
  }
  .about-page-body {
    font-size: 15px;
    line-height: 1.82;
  }
  .about-page-data {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 0;
  }
  .about-page-data .stat-card {
    padding: 16px 0;
    border-right: 0 !important;
    border-bottom: 1px solid rgba(216,194,122,0.18);
  }
  .about-page-data .stat-card:nth-child(odd) {
    padding-right: 14px;
    border-right: 1px solid rgba(216,194,122,0.2) !important;
  }
  .about-page-data .stat-card:nth-child(even) {
    padding-left: 14px;
  }
  .about-page-data .stat-card:nth-last-child(-n+2) {
    border-bottom: 0;
  }
  .about-page-data .stat-card strong {
    font-size: 2rem;
  }
  .about-page-visual {
    min-height: auto;
    padding: 22px;
  }
  .about-frame-visual {
    position: relative;
    inset: auto;
    height: 210px;
    margin-bottom: 22px;
  }
  .about-visual-copy {
    padding-top: 0;
  }
  .about-qr-row {
    align-items: flex-start;
  }
  .about-qr-placeholder {
    width: 108px;
  }
  .about-proof-section {
    padding-top: 54px;
    padding-bottom: 64px;
  }
  .about-advantages-grid {
    grid-template-columns: 1fr;
  }
  .about-advantage {
    min-height: auto;
    padding: 20px;
  }
  .about-page-cta {
    grid-template-columns: 1fr;
    padding: 22px;
  }
  .about-cta-actions .btn {
    width: 100%;
  }
}

/* 联系我们独立页：让客户更快找到联系方式并提交需求。 */
/* 钢结构厂房业务子页面：用于 SEO 业务落地页，延续黑金工业风但信息更聚焦。 */
.business-detail-main {
  background:
    radial-gradient(ellipse at 84% 8%, rgba(216,194,122,0.08), transparent 40%),
    linear-gradient(180deg, #0a0804 0%, #0d0b05 48%, #0a0804 100%);
}
.business-page-hero {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 146px max(24px, calc((100vw - 1280px) / 2)) 88px;
  overflow: hidden;
  background:
    linear-gradient(rgba(95,184,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.035) 1px, transparent 1px),
    linear-gradient(180deg, #0a0804 0%, #0d0b05 100%);
  background-size: 62px 62px, 62px 62px, auto;
}
.business-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 72% 34%, rgba(216,194,122,0.13), transparent 36%),
    linear-gradient(112deg, transparent 0 44%, rgba(216,194,122,0.08) 45%, transparent 46%),
    linear-gradient(62deg, transparent 0 58%, rgba(95,184,255,0.055) 59%, transparent 60%);
  opacity: 0.76;
  mask-image: linear-gradient(90deg, #000, #000 82%, transparent);
}
.business-page-hero > * {
  position: relative;
  z-index: 1;
}
.business-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.48fr) minmax(420px, 0.52fr);
  gap: 46px;
  align-items: center;
}
.business-hero-copy h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(44px, 4.5vw, 72px);
  line-height: 1.08;
}
.business-hero-lead {
  margin: 0 0 18px;
  color: rgba(241,210,139,0.88);
  font-size: clamp(20px, 1.8vw, 28px);
  font-weight: 900;
  line-height: 1.42;
}
.business-hero-text {
  max-width: 760px;
  margin: 0 0 26px;
  color: rgba(255,255,255,0.72);
  font-size: 17px;
  line-height: 1.9;
}
.business-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.business-hero-tags span {
  padding: 8px 12px;
  border: 1px solid rgba(216,194,122,0.22);
  color: rgba(241,210,139,0.86);
  background: rgba(8,8,8,0.34);
  font-size: 13px;
  font-weight: 900;
}
.business-hero-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(216,194,122,0.2);
  background: #08090c;
  box-shadow: 0 30px 90px rgba(0,0,0,0.4);
}
.business-hero-visual::before,
.business-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.business-hero-visual::before {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(8,8,8,0.02) 0%, rgba(8,8,8,0.76) 100%),
    linear-gradient(90deg, rgba(8,8,8,0.14), transparent 56%);
}
.business-hero-visual::after {
  z-index: 2;
  border-left: 2px solid rgba(216,194,122,0.52);
  background:
    linear-gradient(90deg, rgba(216,194,122,0.18), transparent 18%) 0 0 / 100% 1px no-repeat,
    linear-gradient(rgba(95,184,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.04) 1px, transparent 1px);
  background-size: auto, 56px 56px, 56px 56px;
  opacity: 0.62;
}
.business-hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  display: block;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.06) contrast(1.05) brightness(0.86);
}
.business-visual-badge {
  position: absolute;
  right: 22px;
  bottom: 22px;
  z-index: 3;
  width: min(360px, calc(100% - 44px));
  padding: 18px;
  border: 1px solid rgba(216,194,122,0.22);
  background: rgba(8,8,8,0.6);
  backdrop-filter: blur(10px);
}
.business-visual-badge span {
  display: block;
  margin-bottom: 8px;
  color: rgba(241,210,139,0.82);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
}
.business-visual-badge strong {
  color: #fff8e5;
  font-size: 18px;
  line-height: 1.45;
}
.business-fit-section,
.business-flow-section,
.business-prep-section,
.business-cta-section {
  background:
    radial-gradient(ellipse at 100% 0%, rgba(216,194,122,0.08), transparent 48%),
    #0d0b05;
}
.business-fit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.business-fit-card,
.business-prep-card {
  min-height: 210px;
  padding: 24px;
  border: 1px solid rgba(216,194,122,0.15);
  border-left: 2px solid rgba(216,194,122,0.46);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.012)),
    #0a0b0d;
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}
.business-fit-card:hover,
.business-prep-card:hover {
  transform: translateY(-4px);
  border-color: rgba(241,210,139,0.46);
  background:
    linear-gradient(145deg, rgba(216,194,122,0.07), rgba(255,255,255,0.014)),
    #0a0b0d;
}
.business-fit-card span {
  display: block;
  margin-bottom: 28px;
  color: rgba(241,210,139,0.86);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}
.business-fit-card h3,
.business-prep-card strong {
  display: block;
  margin: 0 0 10px;
  color: #fff8e5;
  font-size: 19px;
}
.business-fit-card p,
.business-prep-card p {
  margin: 0;
  color: rgba(255,255,255,0.6);
  line-height: 1.72;
}
.business-flow-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.36fr) minmax(0, 0.64fr);
  gap: 36px;
  align-items: center;
}
.business-flow-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  padding: 34px 26px;
  border: 1px solid rgba(216,194,122,0.16);
  background:
    linear-gradient(rgba(95,184,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.035) 1px, transparent 1px),
    rgba(5,8,10,0.72);
  background-size: 42px 42px;
}
.business-flow-track::before {
  content: "";
  position: absolute;
  left: 46px;
  right: 46px;
  top: 74px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(216,194,122,0.66), transparent);
}
.business-flow-track article {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 14px;
  min-height: 112px;
  text-align: center;
}
.business-flow-track article span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(216,194,122,0.5);
  border-radius: 50%;
  color: #0a0804;
  background: linear-gradient(135deg, #f6d984, #c89f2f);
  font-weight: 900;
}
.business-flow-track article strong {
  max-width: 120px;
  color: #fff8e5;
  font-size: 15px;
  line-height: 1.45;
}
.business-prep-section {
  background:
    repeating-linear-gradient(45deg, transparent, transparent 40px, rgba(216,194,122,0.025) 40px, rgba(216,194,122,0.025) 41px),
    #0f0d06;
}
.business-prep-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.business-prep-card i {
  width: 34px;
  height: 34px;
  margin-bottom: 24px;
  color: var(--gold);
  stroke-width: 1.4;
}
.business-cta-section {
  background: #0a0804;
}
.business-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 34px;
  border: 1px solid rgba(216,194,122,0.18);
  background:
    radial-gradient(ellipse at 100% 100%, rgba(216,194,122,0.12), transparent 52%),
    linear-gradient(145deg, rgba(255,255,255,0.045), rgba(255,255,255,0.014));
}
.business-cta h2 {
  margin: 0 0 12px;
  color: var(--white);
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1.15;
}
.business-cta p:not(.eyebrow) {
  max-width: 760px;
  margin: 0;
  color: rgba(255,255,255,0.64);
  line-height: 1.78;
}
.business-cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (max-width: 1060px) {
  .business-hero-layout,
  .business-flow-layout {
    grid-template-columns: 1fr;
  }
  .business-fit-grid,
  .business-prep-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .business-hero-visual {
    min-height: 420px;
  }
  .business-hero-visual img {
    min-height: 420px;
  }
}

@media (max-width: 768px) {
  .business-page-hero {
    padding: 118px 20px 58px;
  }
  .business-hero-copy h1 {
    font-size: clamp(36px, 10vw, 48px);
  }
  .business-hero-lead {
    font-size: 19px;
  }
  .business-hero-text {
    font-size: 16px;
    line-height: 1.8;
  }
  .business-hero-visual {
    min-height: 320px;
  }
  .business-hero-visual img {
    min-height: 320px;
  }
  .business-fit-grid,
  .business-prep-grid {
    grid-template-columns: 1fr;
  }
  .business-fit-card,
  .business-prep-card {
    min-height: auto;
    padding: 22px;
  }
  .business-flow-track {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 24px;
  }
  .business-flow-track::before {
    left: 48px;
    right: auto;
    top: 46px;
    bottom: 46px;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, transparent, rgba(216,194,122,0.66), transparent);
  }
  .business-flow-track article {
    grid-template-columns: 48px 1fr;
    justify-items: start;
    align-items: center;
    min-height: auto;
    text-align: left;
  }
  .business-flow-track article strong {
    max-width: none;
  }
  .business-cta {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .business-cta-actions {
    justify-content: stretch;
  }
  .business-cta-actions .btn {
    width: 100%;
  }
}

.contact-detail-main {
  background: #0a0804;
}
.contact-page-hero {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 152px max(24px, calc((100vw - 1280px) / 2)) 90px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 82% 20%, rgba(216,194,122,0.12), transparent 42%),
    linear-gradient(180deg, #0a0804 0%, #0d0b05 100%);
}
.contact-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.42;
  background:
    linear-gradient(rgba(95,184,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.045) 1px, transparent 1px),
    linear-gradient(120deg, transparent 0 42%, rgba(216,194,122,0.07) 43%, transparent 44%);
  background-size: 56px 56px, 56px 56px, auto;
  mask-image: linear-gradient(90deg, #000, #000 70%, transparent);
}
.contact-page-hero::after {
  content: "";
  position: absolute;
  right: max(24px, calc((100vw - 1280px) / 2));
  bottom: 46px;
  width: min(520px, 36vw);
  height: 270px;
  pointer-events: none;
  opacity: 0.18;
  background:
    linear-gradient(90deg, transparent, rgba(241,210,139,0.58), transparent) 0 72% / 100% 2px no-repeat,
    linear-gradient(30deg, transparent 0 48%, rgba(241,210,139,0.44) 49%, transparent 50%),
    linear-gradient(150deg, transparent 0 48%, rgba(95,184,255,0.28) 49%, transparent 50%);
  clip-path: polygon(0 100%, 16% 42%, 34% 100%, 52% 22%, 76% 100%, 100% 36%, 100% 100%);
}
.contact-page-hero > * {
  position: relative;
  z-index: 1;
}
.contact-page-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.58fr) minmax(320px, 0.42fr);
  gap: 42px;
  align-items: end;
}
.contact-page-copy h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(42px, 4.1vw, 64px);
  line-height: 1.08;
}
.contact-page-lead {
  max-width: 720px;
  color: rgba(255,255,255,0.7);
  font-size: 18px;
  line-height: 1.9;
}
.contact-page-points {
  display: grid;
  gap: 12px;
}
.contact-page-point {
  position: relative;
  min-height: 118px;
  padding: 20px 20px 18px 76px;
  border: 1px solid rgba(216,194,122,0.16);
  border-left: 2px solid rgba(216,194,122,0.5);
  background: linear-gradient(145deg, rgba(20,18,12,0.66), rgba(8,9,12,0.74));
}
.contact-page-point span {
  position: absolute;
  left: 20px;
  top: 22px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(216,194,122,0.36);
  border-radius: 50%;
  color: var(--champagne);
  font-weight: 900;
  font-size: 13px;
}
.contact-page-point strong {
  display: block;
  margin-bottom: 8px;
  color: #fff8e5;
  font-size: 18px;
}
.contact-page-point p {
  margin: 0;
  color: rgba(255,255,255,0.58);
  line-height: 1.65;
}
.contact-direct-section,
.contact-form-section,
.contact-prep-section {
  background:
    radial-gradient(ellipse at 0% 0%, rgba(212,175,55,0.08), transparent 48%),
    #0f0c06;
}
.contact-channel-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.contact-direct-section .section-heading h2 {
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1.16;
}
.contact-channel {
  min-height: 154px;
  padding: 22px;
  border: 1px solid rgba(216,194,122,0.16);
  background: linear-gradient(145deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  color: inherit;
  text-decoration: none;
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}
.contact-channel:hover {
  transform: translateY(-4px);
  border-color: rgba(241,210,139,0.46);
  background: linear-gradient(145deg, rgba(216,194,122,0.08), rgba(255,255,255,0.018));
}
.contact-channel span {
  display: block;
  margin-bottom: 28px;
  color: rgba(241,210,139,0.68);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}
.contact-channel strong {
  display: block;
  color: #fff8e5;
  font-size: clamp(16px, 1.22vw, 20px);
  line-height: 1.3;
  word-break: break-word;
}
.contact-channel[href^="mailto"] strong {
  font-size: clamp(15px, 1.05vw, 18px);
}
.contact-channel small {
  display: block;
  margin-top: 8px;
  color: rgba(255,255,255,0.52);
  line-height: 1.5;
}
.contact-form-section {
  background:
    linear-gradient(180deg, #0f0c06 0%, #0a0804 100%);
}
.contact-page-card {
  align-self: start;
}
.contact-prep-section {
  background:
    linear-gradient(180deg, #0a0804 0%, #0d0b05 100%);
}
.contact-prep-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.contact-prep-card {
  min-height: 172px;
  padding: 22px;
  border: 1px solid rgba(216,194,122,0.14);
  background: rgba(255,255,255,0.026);
}
.contact-prep-card span {
  display: block;
  margin-bottom: 22px;
  color: rgba(241,210,139,0.86);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
}
.contact-prep-card strong {
  display: block;
  margin-bottom: 10px;
  color: #fff8e5;
  font-size: 18px;
}
.contact-prep-card p {
  margin: 0;
  color: rgba(255,255,255,0.58);
  line-height: 1.7;
}

@media (max-width: 1060px) {
  .contact-page-layout {
    grid-template-columns: 1fr;
  }
  .contact-channel-grid,
  .contact-prep-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .contact-page-hero {
    padding: 118px 20px 58px;
  }
  .contact-page-hero::after {
    right: -80px;
    width: 360px;
    opacity: 0.12;
  }
  .contact-page-copy h1 {
    font-size: clamp(34px, 9vw, 46px);
  }
  .contact-page-lead {
    font-size: 16px;
    line-height: 1.8;
  }
  .contact-page-point {
    min-height: auto;
    padding: 18px 18px 18px 68px;
  }
  .contact-channel-grid,
  .contact-prep-grid {
    grid-template-columns: 1fr;
  }
}

/* 工程案例独立页：案例展厅、筛选、真实项目与 AI 参考对照。 */
.cases-detail-main {
  background: #0a0804;
}
.cases-page-hero {
  width: 100%;
  max-width: none;
  min-height: 760px;
  margin: 0;
  padding: 148px max(24px, calc((100vw - 1280px) / 2)) 92px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 78% 18%, rgba(216,194,122,0.12), transparent 42%),
    linear-gradient(180deg, #0a0804 0%, #07090d 100%);
}
.cases-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.48;
  background:
    linear-gradient(90deg, rgba(8,8,8,0.96) 0%, rgba(8,8,8,0.74) 31%, rgba(8,8,8,0.28) 58%, rgba(8,8,8,0.72) 100%),
    linear-gradient(180deg, rgba(8,8,8,0.16) 0%, rgba(8,8,8,0.82) 100%),
    linear-gradient(116deg, transparent 0 30%, rgba(216,194,122,0.08) 31%, transparent 32%),
    linear-gradient(62deg, transparent 0 58%, rgba(95,184,255,0.055) 59%, transparent 60%),
    linear-gradient(90deg, rgba(95,184,255,0.055) 1px, transparent 1px),
    linear-gradient(rgba(95,184,255,0.045) 1px, transparent 1px);
  background-size: auto, auto, 48px 48px, 48px 48px;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.cases-page-hero::after {
  content: "";
  position: absolute;
  right: -4vw;
  bottom: 0;
  z-index: 1;
  width: min(720px, 46vw);
  height: 48%;
  pointer-events: none;
  opacity: 0.18;
  background:
    linear-gradient(90deg, transparent, rgba(241,210,139,0.4), transparent) 0 74% / 100% 2px no-repeat,
    linear-gradient(32deg, transparent 0 48%, rgba(241,210,139,0.36) 49%, transparent 50%),
    linear-gradient(148deg, transparent 0 48%, rgba(95,184,255,0.22) 49%, transparent 50%),
    repeating-linear-gradient(90deg, transparent 0 64px, rgba(255,255,255,0.05) 65px);
  clip-path: polygon(0 100%, 14% 42%, 32% 100%, 50% 22%, 76% 100%, 100% 38%, 100% 100%);
}
.cases-page-hero > * {
  position: relative;
  z-index: 2;
}
.cases-hero-layout {
  position: static;
  display: block;
  min-height: 520px;
}
.cases-hero-copy {
  position: relative;
  z-index: 3;
}
.cases-hero-copy h1 {
  max-width: 700px;
  margin-bottom: 22px;
  font-size: clamp(54px, 5.4vw, 88px);
  line-height: 1.08;
}
.cases-hero-copy .hero-text {
  max-width: 640px;
}
.cases-hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  min-height: 100%;
  overflow: hidden;
  border: 0;
  background: #08090c;
  box-shadow: none;
}
.cases-hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(8,8,8,0.9) 0%, rgba(8,8,8,0.48) 38%, rgba(8,8,8,0.08) 68%, rgba(8,8,8,0.62) 100%),
    linear-gradient(180deg, rgba(8,8,8,0.08) 0%, rgba(8,8,8,0.72) 100%);
}
.cases-hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  display: block;
  object-fit: cover;
  object-position: center right;
  filter: saturate(1.08) contrast(1.06) brightness(0.88);
}
.cases-hero-tags {
  position: absolute;
  right: max(24px, calc((100vw - 1280px) / 2));
  bottom: 86px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  width: min(720px, 46vw);
}
.cases-hero-tags span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(216,194,122,0.2);
  background: linear-gradient(135deg, rgba(9,10,12,0.58), rgba(9,10,12,0.28));
  color: rgba(255,255,255,0.74);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
}
.cases-hero-tags em {
  color: rgba(241,210,139,0.62);
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.cases-hero-tags strong {
  color: #fff8e5;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}
.cases-info-panel {
  padding: 28px;
  border: 1px solid rgba(216,194,122,0.22);
  background:
    linear-gradient(145deg, rgba(18,20,26,0.84), rgba(8,9,12,0.78)),
    radial-gradient(ellipse at 80% 0%, rgba(216,194,122,0.12), transparent 45%);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.cases-hero-visual .cases-info-panel {
  position: absolute;
  left: auto;
  right: max(24px, calc((100vw - 1280px) / 2));
  bottom: 78px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
  width: min(560px, 38vw);
  padding: 22px;
  background:
    linear-gradient(145deg, rgba(12,13,16,0.76), rgba(5,6,8,0.66)),
    radial-gradient(ellipse at 82% 0%, rgba(216,194,122,0.16), transparent 50%);
}
.cases-hero-visual .cases-info-row {
  border-bottom: 1px solid rgba(216,194,122,0.12);
}
.cases-hero-visual .cases-info-row:nth-child(odd) {
  border-right: 1px solid rgba(216,194,122,0.12);
  padding-right: 14px;
}
.cases-hero-visual .cases-info-row:nth-child(even) {
  padding-left: 4px;
}
.cases-hero-visual .cases-info-row:nth-child(3),
.cases-hero-visual .cases-info-row:nth-child(4) {
  padding-bottom: 0;
  border-bottom: 0;
}
.cases-info-row {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(216,194,122,0.14);
}
.cases-info-row:first-child { padding-top: 0; }
.cases-info-row:last-child { padding-bottom: 0; border-bottom: 0; }
.cases-info-row span {
  color: rgba(241,210,139,0.74);
  font-size: 13px;
  letter-spacing: 0.12em;
}
.cases-info-row strong {
  color: #fff8e5;
  font-size: 18px;
  line-height: 1.45;
}
.cases-filter-section {
  padding-top: 0;
  padding-bottom: 42px;
  border-top: 0;
  background: #0a0804;
}
.cases-filter-inner {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(216,194,122,0.12);
}
.cases-filter-label {
  flex: 0 0 auto;
  color: rgba(241,210,139,0.68);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.cases-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.cases-filter-btn {
  position: relative;
  min-height: 38px;
  padding: 0 14px;
  border: 0;
  background: transparent;
  color: rgba(255,255,255,0.58);
  font-weight: 800;
  cursor: pointer;
  transition: color 0.22s ease, background 0.22s ease;
}
.cases-filter-btn::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, transparent, var(--champagne), transparent);
  transition: transform 0.24s ease;
}
.cases-filter-btn:hover,
.cases-filter-btn.is-active {
  color: var(--champagne);
  background: rgba(216,194,122,0.055);
}
.cases-filter-btn:hover::after,
.cases-filter-btn.is-active::after {
  transform: scaleX(1);
}
.cases-showroom {
  background:
    linear-gradient(180deg, #07090d 0%, #0a0804 100%);
}
.cases-showroom-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}
.cases-showroom-card {
  position: relative;
  min-height: 300px;
  grid-column: span 4;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.035);
  transition: transform 0.28s ease, opacity 0.28s ease, border-color 0.28s ease, filter 0.28s ease;
}
.cases-showroom-card.is-feature {
  grid-column: span 7;
  min-height: 500px;
}
.cases-showroom-card.is-wide {
  grid-column: span 5;
  min-height: 500px;
}
.cases-showroom-card.is-hidden {
  display: none;
}
.cases-showroom-card:hover,
.cases-showroom-card.is-open {
  transform: translateY(-5px);
  border-color: rgba(241,210,139,0.52);
}
.cases-card-media {
  position: absolute;
  inset: 0;
}
.cases-card-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.05) brightness(0.9);
  transform: scale(1.01);
  transition: transform 0.7s ease, filter 0.7s ease;
}
.cases-showroom-card:hover .cases-card-media img,
.cases-showroom-card.is-open .cases-card-media img {
  transform: scale(1.06);
  filter: saturate(1.15) contrast(1.08) brightness(0.98);
}
.cases-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5,6,8,0.18) 0%, rgba(5,6,8,0.32) 42%, rgba(5,6,8,0.92) 100%),
    linear-gradient(90deg, rgba(5,6,8,0.44), transparent 62%);
}
.cases-card-content {
  position: relative;
  z-index: 1;
  min-height: inherit;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
}
.cases-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.cases-card-meta span {
  padding: 6px 9px;
  border: 1px solid rgba(216,194,122,0.26);
  background: rgba(8,9,12,0.66);
  color: rgba(241,210,139,0.86);
  font-size: 12px;
  font-weight: 900;
}
.cases-card-content h3 {
  margin-bottom: 12px;
  color: #fff8e5;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.18;
}
.cases-showroom-card:not(.is-feature) .cases-card-content h3 {
  font-size: clamp(21px, 2vw, 28px);
}
.cases-card-content p {
  margin: 0 0 18px;
  color: rgba(255,255,255,0.72);
  line-height: 1.7;
}
.cases-detail-link {
  width: fit-content;
  padding: 9px 12px;
  border: 1px solid rgba(216,194,122,0.32);
  background: rgba(0,0,0,0.32);
  color: var(--champagne);
  font-weight: 900;
  cursor: pointer;
}
.cases-detail-panel {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.34s ease, opacity 0.28s ease, margin-top 0.28s ease;
}
.cases-showroom-card.is-open .cases-detail-panel {
  max-height: 240px;
  margin-top: 18px;
  opacity: 1;
}
.cases-detail-panel dl {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 8px 12px;
  margin: 0;
  padding: 16px;
  border: 1px solid rgba(216,194,122,0.16);
  background: rgba(0,0,0,0.34);
}
.cases-detail-panel dt {
  color: rgba(241,210,139,0.72);
  font-size: 12px;
}
.cases-detail-panel dd {
  margin: 0;
  color: rgba(255,255,255,0.72);
  font-size: 13px;
  line-height: 1.55;
}
.cases-visual-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid rgba(216,194,122,0.44);
  color: rgba(255,255,255,0.52);
  font-size: 13px;
  line-height: 1.7;
}
.cases-compare-section {
  background:
    radial-gradient(ellipse at 16% 10%, rgba(216,194,122,0.08), transparent 42%),
    linear-gradient(180deg, #0a0804 0%, #0d0b05 100%);
}
.cases-compare-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.38fr) minmax(0, 0.62fr);
  gap: 32px;
  align-items: center;
}
.cases-compare-card {
  min-height: 520px;
  height: 520px;
  overflow: hidden;
  border-radius: 10px;
}
.cases-compare-card .compare-cad {
  background: #0c1015;
}
.cases-compare-card .compare-cad img,
.cases-compare-card .compare-visual img {
  filter: saturate(1.04) contrast(1.04) brightness(0.88);
}
.cases-compare-card .compare-cad::after,
.cases-compare-card .compare-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.08), rgba(0,0,0,0.44));
  pointer-events: none;
}
.cases-compare-caption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 6;
  max-width: 280px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.48);
  color: rgba(255,255,255,0.72);
  font-size: 13px;
  line-height: 1.6;
}
.compare-visual .cases-compare-caption {
  left: auto;
  right: 18px;
  border-color: rgba(216,194,122,0.22);
}
.cases-insight-section {
  overflow: hidden;
  background:
    radial-gradient(ellipse at 88% 12%, rgba(216,194,122,0.08), transparent 42%),
    linear-gradient(180deg, #0a0804 0%, #0d0b05 100%);
}
.cases-insight-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.34fr) minmax(0, 0.66fr);
  gap: 34px;
  align-items: center;
}
.cases-insight-board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 22px;
  border: 1px solid rgba(216,194,122,0.16);
  background:
    linear-gradient(135deg, rgba(16,19,23,0.82), rgba(7,8,10,0.88)),
    linear-gradient(rgba(95,184,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,184,255,0.04) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
  box-shadow: var(--shadow);
}
.cases-insight-board::before {
  content: "";
  position: absolute;
  inset: 22px;
  pointer-events: none;
  border: 1px solid rgba(216,194,122,0.08);
}
.cases-insight-board::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 34px;
  bottom: 78px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(216,194,122,0.18), transparent);
  pointer-events: none;
}
.cases-insight-card {
  position: relative;
  min-height: 190px;
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(145deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  transition: transform 0.26s ease, border-color 0.26s ease, background 0.26s ease;
}
.cases-insight-card:hover {
  transform: translateY(-4px);
  border-color: rgba(241,210,139,0.42);
  background: linear-gradient(145deg, rgba(216,194,122,0.08), rgba(255,255,255,0.018));
}
.cases-insight-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  border: 1px solid rgba(216,194,122,0.38);
  border-radius: 50%;
  color: var(--champagne);
  font-size: 13px;
  font-weight: 900;
}
.cases-insight-card h3 {
  margin-bottom: 10px;
  color: #fff8e5;
  font-size: 21px;
}
.cases-insight-card p {
  margin: 0;
  color: rgba(255,255,255,0.62);
  line-height: 1.75;
}
.cases-insight-note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  padding: 14px 16px;
  border-left: 2px solid rgba(216,194,122,0.48);
  background: rgba(0,0,0,0.22);
  color: rgba(255,255,255,0.62);
  line-height: 1.7;
}
.cases-need-section {
  background:
    linear-gradient(180deg, #0d0b05 0%, #0a0804 100%);
}
.cases-need-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}
.cases-need-card {
  min-height: 150px;
  padding: 22px;
  border: 1px solid rgba(216,194,122,0.18);
  border-left: 2px solid rgba(216,194,122,0.5);
  background: linear-gradient(145deg, rgba(20,18,12,0.72), rgba(8,9,12,0.82));
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.cases-need-card:hover,
.cases-need-card.is-active {
  transform: translateY(-4px);
  border-color: rgba(241,210,139,0.72);
  background: linear-gradient(145deg, rgba(50,38,15,0.78), rgba(10,11,14,0.84));
}
.cases-need-card strong {
  display: block;
  margin-bottom: 10px;
  color: #fff8e5;
  font-size: 19px;
}
.cases-need-card span {
  color: rgba(255,255,255,0.62);
  line-height: 1.6;
}
.cases-need-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (max-width: 1060px) {
  .cases-hero-layout,
  .cases-compare-layout,
  .cases-insight-layout {
    grid-template-columns: 1fr;
  }
  .cases-hero-visual {
    min-height: 480px;
  }
  .cases-hero-visual img {
    min-height: 480px;
  }
  .cases-showroom-card,
  .cases-showroom-card.is-feature,
  .cases-showroom-card.is-wide {
    grid-column: span 6;
    min-height: 380px;
  }
  .cases-need-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .cases-page-hero {
    min-height: 680px;
    padding: 118px 20px 56px;
  }
  .cases-hero-copy h1 {
    font-size: clamp(38px, 11vw, 52px);
  }
  .cases-info-panel {
    padding: 18px;
  }
  .cases-hero-visual {
    position: absolute;
    inset: 0;
    min-height: 100%;
  }
  .cases-hero-visual img {
    height: 100%;
    min-height: 100%;
    object-position: 66% center;
    opacity: 0.92;
  }
  .cases-hero-tags {
    left: 20px;
    right: 20px;
    bottom: 28px;
    width: auto;
    justify-content: flex-start;
    gap: 8px;
  }
  .cases-hero-tags span {
    min-height: 36px;
    padding: 0 10px;
  }
  .cases-hero-tags em {
    display: none;
  }
  .cases-hero-tags strong {
    font-size: 12px;
  }
  .cases-hero-visual .cases-info-panel {
    display: none;
  }
  .cases-info-row {
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 14px 0;
  }
  .cases-info-panel {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 16px;
  }
  .cases-info-row:nth-child(odd) {
    border-right: 1px solid rgba(216,194,122,0.12);
    padding-right: 12px;
  }
  .cases-info-row:nth-child(even) {
    padding-left: 2px;
  }
  .cases-info-row strong {
    font-size: 14px;
  }
  .cases-filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: none;
  }
  .cases-filter-inner {
    display: block;
  }
  .cases-filter-label {
    display: block;
    margin-bottom: 10px;
  }
  .cases-filter-bar::-webkit-scrollbar {
    display: none;
  }
  .cases-filter-btn {
    flex: 0 0 auto;
    min-height: 46px;
  }
  .cases-showroom-grid {
    grid-template-columns: 1fr;
  }
  .cases-showroom-card,
  .cases-showroom-card.is-feature,
  .cases-showroom-card.is-wide {
    grid-column: span 1;
    min-height: 360px;
  }
  .cases-showroom-card.is-feature {
    min-height: 460px;
  }
  .cases-card-content {
    padding: 20px;
  }
  .cases-card-content h3 {
    font-size: 26px;
  }
  .cases-detail-panel dl {
    grid-template-columns: 1fr;
  }
  .cases-compare-card {
    min-height: 360px;
    height: 360px;
  }
  .cases-insight-board {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  .cases-insight-board::after {
    display: none;
  }
  .cases-insight-card {
    min-height: auto;
    padding: 18px;
  }
  .cases-insight-card span {
    margin-bottom: 14px;
  }
  .cases-compare-caption {
    left: 12px;
    bottom: 12px;
    max-width: 220px;
    font-size: 12px;
  }
  .compare-visual .cases-compare-caption {
    right: 12px;
  }
  .cases-need-grid {
    grid-template-columns: 1fr;
  }
  .cases-need-actions .btn {
    width: 100%;
  }
}