/* =========================================================
   Zhiyan Automation — shared stylesheet
   ========================================================= */

:root {
  --navy-950: #070f18;
  --navy-900: #0f2438;
  --navy-800: #15324c;
  --navy-700: #1c4160;
  --steel-500: #4c7f9e;
  --steel-200: #c7dbe6;
  --accent-500: #ff6a2b;
  --accent-600: #e8551a;
  --accent-400: #ff8a52;
  --cyan-400: #3ee6d8;
  --paper-50: #f7f9fb;
  --paper-100: #eef2f5;
  --ink-900: #14202b;
  --ink-600: #4c5c68;
  --ink-400: #7c8b96;
  --line: #dfe6ea;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(15, 36, 56, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 36, 56, 0.12);
  --shadow-lg: 0 24px 60px rgba(7, 15, 24, 0.35);
  --maxw: 1180px;
  --ease: cubic-bezier(.16,.84,.44,1);
  --font-head: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--paper-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-head); }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------- Scroll progress bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-500), var(--cyan-400));
  z-index: 999;
  transition: width 0.08s linear;
  box-shadow: 0 0 8px rgba(255,106,43,0.6);
}

/* ---------- Top utility bar ---------- */
.topbar {
  background: var(--navy-950);
  color: var(--steel-200);
  font-size: 13px;
}
.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar a { color: var(--steel-200); transition: color 0.15s; }
.topbar a:hover { color: #fff; }
.topbar .tb-contact { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- Header / Nav ---------- */
header.site-header {
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
  transition: box-shadow 0.25s var(--ease), padding 0.25s var(--ease);
}
header.site-header.scrolled { box-shadow: 0 4px 24px rgba(15,36,56,0.08); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 21px;
  color: var(--navy-900);
  white-space: nowrap;
}
.brand-logo {
  height: 44px;
  width: auto;
  display: block;
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
nav.main-nav a {
  position: relative;
  display: block;
  padding: 10px 14px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-600);
  border-radius: 7px;
  transition: background 0.15s, color 0.15s;
}
nav.main-nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 5px;
  height: 2px;
  background: var(--accent-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
nav.main-nav li.active a,
nav.main-nav a:hover {
  color: var(--navy-950);
  background: var(--paper-100);
}
nav.main-nav li.active a { color: var(--accent-600); background: #fff1ea; }
nav.main-nav li.active a::after, nav.main-nav a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 20px;
  margin: 0 auto;
  background: var(--navy-950);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero / page banner ---------- */
.hero {
  background:
    radial-gradient(circle at 15% 20%, rgba(255,106,43,0.18), transparent 45%),
    linear-gradient(120deg, var(--navy-950), var(--navy-800));
  color: #fff;
  padding: 108px 24px 96px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.hero-grid {
  position: absolute;
  inset: -1px;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 30% 30%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 90% at 30% 30%, #000 10%, transparent 75%);
  animation: gridDrift 26s linear infinite;
}
@keyframes gridDrift { from { background-position: 0 0, 0 0; } to { background-position: 42px 84px, 42px 84px; } }

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  z-index: 0;
  opacity: 0.55;
  animation: orbFloat 10s ease-in-out infinite;
}
.hero-orb.o1 { width: 340px; height: 340px; background: radial-gradient(circle, var(--accent-500), transparent 70%); top: -80px; right: 8%; }
.hero-orb.o2 { width: 260px; height: 260px; background: radial-gradient(circle, var(--cyan-400), transparent 70%); bottom: -60px; right: 28%; animation-delay: -4s; opacity: 0.28; }
@keyframes orbFloat { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-14px, 18px) scale(1.06); } }

.hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 320px;
  height: 320px;
  border: 40px solid rgba(255,255,255,0.04);
  border-radius: 50%;
  z-index: 0;
}
.hero-inner { max-width: var(--maxw); margin: 0 auto; position: relative; z-index: 2; }
.hero .eyebrow {
  color: var(--accent-500);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 12.5px;
  margin: 0 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero .eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--accent-500);
  display: inline-block;
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 54px);
  margin: 0 0 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  max-width: 780px;
}
.hero h1 .accent-text {
  background: linear-gradient(90deg, var(--accent-400), var(--cyan-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead { font-size: 17.5px; color: var(--steel-200); max-width: 600px; margin: 0; }
.hero.small { padding: 66px 24px 58px; }
.hero.small h1 { font-size: clamp(28px, 3.4vw, 36px); margin-bottom: 10px; max-width: 700px; }
.hero.has-photo {
  background:
    linear-gradient(120deg, rgba(7,15,24,0.90), rgba(15,36,56,0.76)),
    var(--hero-photo) center/cover no-repeat;
}
.hero-content-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.breadcrumb { font-size: 13px; color: var(--steel-200); margin-top: 18px; }
.breadcrumb a { color: var(--steel-200); transition: color 0.15s; }
.breadcrumb a:hover { color: #fff; text-decoration: underline; }
.breadcrumb .sep { margin: 0 6px; opacity: 0.6; }
.breadcrumb .current { color: #fff; font-weight: 600; }

/* ---------- Hero robotics visual (radar / scan) ---------- */
.hero-visual {
  position: relative;
  z-index: 1;
  width: 440px;
  height: 360px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mini-radar { position: absolute; top: -6px; right: 6px; width: 92px; height: 92px; opacity: 0.9; }
.mini-radar .radar { width: 92px; height: 92px; }
.mini-radar .radar-ring.r2 { inset: 12px; }
.mini-radar .radar-ring.r3 { inset: 24px; }
.mini-radar .radar-core { width: 8px; height: 8px; margin: -4px 0 0 -4px; }
.mini-radar .node { width: 5px; height: 5px; }
.radar { position: relative; width: 320px; height: 320px; }
.radar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.14);
}
.radar-ring.r2 { inset: 40px; }
.radar-ring.r3 { inset: 80px; border-color: rgba(255,106,43,0.28); }
.radar-ring.r3::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  border: 1px dashed rgba(62,230,216,0.35);
  animation: spinSlow 34s linear infinite reverse;
}
.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(255,106,43,0.55), transparent 26%);
  animation: spinSlow 4.5s linear infinite;
  -webkit-mask-image: radial-gradient(circle, transparent 0%, #000 2%);
  mask-image: radial-gradient(circle, transparent 0%, #000 2%);
}
@keyframes spinSlow { to { transform: rotate(360deg); } }
.radar-core {
  position: absolute;
  top: 50%; left: 50%;
  width: 14px; height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: var(--accent-500);
  box-shadow: 0 0 0 6px rgba(255,106,43,0.18), 0 0 24px rgba(255,106,43,0.7);
  animation: pulseCore 2.4s ease-in-out infinite;
}
@keyframes pulseCore { 0%,100% { box-shadow: 0 0 0 6px rgba(255,106,43,0.18), 0 0 24px rgba(255,106,43,0.7); } 50% { box-shadow: 0 0 0 12px rgba(255,106,43,0.08), 0 0 34px rgba(255,106,43,0.9); } }
.radar .node {
  position: absolute;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 10px rgba(62,230,216,0.8);
  animation: nodeFloat 3.6s ease-in-out infinite;
}
.radar .node.n1 { top: 18%; left: 72%; animation-delay: -0.2s; }
.radar .node.n2 { top: 68%; left: 82%; animation-delay: -1.4s; background: var(--accent-500); box-shadow: 0 0 10px rgba(255,106,43,0.8); }
.radar .node.n3 { top: 78%; left: 30%; animation-delay: -2.2s; }
.radar .node.n4 { top: 12%; left: 26%; animation-delay: -3s; background: var(--accent-500); box-shadow: 0 0 10px rgba(255,106,43,0.8); }
@keyframes nodeFloat { 0%,100% { transform: translateY(0); opacity: 0.85; } 50% { transform: translateY(-8px); opacity: 1; } }

/* ---------- Hero showcase: real robot photography, cinematic crossfade ---------- */
.hero-showcase {
  position: relative;
  width: 440px;
  height: 360px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.1);
  background: var(--navy-950);
}
.hs-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  animation: hsFade 16s ease-in-out infinite;
}
.hs-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: hsZoom 16s ease-in-out infinite;
}
.hs-slide:nth-child(1) { animation-delay: 0s; }
.hs-slide:nth-child(1) img { animation-delay: 0s; }
.hs-slide:nth-child(2) { animation-delay: -4s; }
.hs-slide:nth-child(2) img { animation-delay: -4s; }
.hs-slide:nth-child(3) { animation-delay: -8s; }
.hs-slide:nth-child(3) img { animation-delay: -8s; }
.hs-slide:nth-child(4) { animation-delay: -12s; }
.hs-slide:nth-child(4) img { animation-delay: -12s; }
@keyframes hsFade {
  0%, 2% { opacity: 0; }
  6%, 23% { opacity: 1; }
  27%, 100% { opacity: 0; }
}
@keyframes hsZoom {
  0% { transform: scale(1.02); }
  27% { transform: scale(1.13); }
  100% { transform: scale(1.13); }
}
.hs-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,15,24,0.05) 0%, rgba(7,15,24,0.15) 55%, rgba(7,15,24,0.85) 100%);
}
.hs-caption {
  position: absolute;
  left: 22px; bottom: 20px;
  z-index: 3;
  opacity: 0;
  animation: hsCaption 16s ease-in-out infinite;
}
.hs-caption:nth-child(5) { animation-delay: 0s; }
.hs-caption:nth-child(6) { animation-delay: -4s; }
.hs-caption:nth-child(7) { animation-delay: -8s; }
.hs-caption:nth-child(8) { animation-delay: -12s; }
@keyframes hsCaption {
  0%, 4% { opacity: 0; transform: translateY(8px); }
  8%, 21% { opacity: 1; transform: translateY(0); }
  25%, 100% { opacity: 0; transform: translateY(8px); }
}
.hs-caption .hs-tag {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-400);
  margin-bottom: 4px;
}
.hs-caption .hs-title {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  color: #fff;
}

/* HUD overlay: corner brackets + scanning line, layered over the real photos */
.hs-hud {
  position: absolute;
  inset: 14px;
  z-index: 4;
  pointer-events: none;
}
.hs-hud::before, .hs-hud::after,
.hs-hud i::before, .hs-hud i::after {
  content: "";
  position: absolute;
  width: 22px; height: 22px;
  border: 2px solid rgba(62,230,216,0.75);
}
.hs-hud::before { top: 0; left: 0; border-right: none; border-bottom: none; }
.hs-hud::after { top: 0; right: 0; border-left: none; border-bottom: none; }
.hs-hud i::before { bottom: 0; left: 0; border-right: none; border-top: none; }
.hs-hud i::after { bottom: 0; right: 0; border-left: none; border-top: none; }
.hs-scanline {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-400), transparent);
  box-shadow: 0 0 14px rgba(62,230,216,0.9);
  animation: hsScan 3.6s ease-in-out infinite;
  z-index: 4;
}
@keyframes hsScan {
  0%, 100% { top: 6%; opacity: 0; }
  8% { opacity: 1; }
  50% { top: 92%; opacity: 1; }
  92% { opacity: 1; }
}
.hs-status {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(7,15,24,0.55);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}
.hs-status .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #35d488;
  box-shadow: 0 0 8px #35d488;
  animation: pulseCore 1.8s ease-in-out infinite;
}
.hs-mini-radar {
  position: absolute;
  top: 12px; right: 12px;
  z-index: 5;
  width: 64px; height: 64px;
  opacity: 0.85;
}
.hs-mini-radar .radar { width: 64px; height: 64px; }
.hs-mini-radar .radar-ring.r2 { inset: 9px; }
.hs-mini-radar .radar-ring.r3 { inset: 18px; }
.hs-mini-radar .radar-core { width: 6px; height: 6px; margin: -3px 0 0 -3px; }
.hs-mini-radar .node { width: 4px; height: 4px; }

@media (max-width: 1000px) { .hero-visual { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s;
}
.btn-accent { background: var(--accent-500); color: #fff; box-shadow: 0 8px 24px rgba(255,106,43,0.28); }
.btn-accent:hover { background: var(--accent-600); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(255,106,43,0.4); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.5); }
.btn-outline:hover { border-color: #fff; transform: translateY(-2px); background: rgba(255,255,255,0.06); }
.btn-row { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.btn::after {
  content: "";
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s var(--ease);
}
.btn:hover::after { left: 130%; }

/* ---------- Sections ---------- */
section { padding: 88px 24px; position: relative; }
section.tight { padding: 40px 24px; }
.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section-head .eyebrow {
  color: var(--accent-600);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  margin: 0 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  width: 100%;
}
.section-head .eyebrow::before, .section-head .eyebrow::after { content: ""; width: 22px; height: 1px; background: var(--accent-600); opacity: 0.5; }
.section-head h2 { font-size: clamp(24px, 2.6vw, 32px); margin: 0 0 12px; color: var(--navy-950); letter-spacing: -0.01em; }
.section-head p { color: var(--ink-600); margin: 0; }

.alt-bg { background: var(--paper-100); }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-stagger.in-view { transition-delay: calc(var(--i, 0) * 90ms); }

/* ---------- Stat bar ---------- */
.stat-bar {
  background: var(--navy-950);
  color: #fff;
  padding: 0;
  position: relative;
  z-index: 2;
  margin-top: -1px;
}
.stat-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 34px 20px;
  text-align: center;
  border-left: 1px solid rgba(255,255,255,0.08);
}
.stat-item:first-child { border-left: none; }
.stat-num {
  font-family: var(--font-head);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 700;
  color: var(--accent-500);
  display: block;
  letter-spacing: -0.01em;
}
.stat-label {
  font-size: 12.5px;
  color: var(--steel-200);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 6px;
}

/* ---------- Grid / Cards ---------- */
.grid {
  display: grid;
  gap: 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
  position: relative;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(255,106,43,0.35); }
.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-950));
  color: var(--accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 16px;
  transition: transform 0.3s var(--ease);
}
.card:hover .icon { transform: rotate(-6deg) scale(1.06); }
.card h3 { font-size: 17px; margin: 0 0 8px; color: var(--navy-950); }
.card p { font-size: 14.5px; color: var(--ink-600); margin: 0; }
.card .tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--steel-500);
  background: var(--paper-100);
  padding: 3px 9px;
  border-radius: 5px;
  margin-bottom: 10px;
}

/* Product / application media block */
.media-block {
  height: 170px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(135deg, var(--navy-900), var(--steel-500));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.85);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.08em;
  position: relative;
  overflow: hidden;
}
.media-block::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,0.06) 0 2px, transparent 2px 14px);
  pointer-events: none;
}
.media-block span { position: relative; z-index: 1; }
.media-block img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s var(--ease);
}
.card:hover .media-block img { transform: scale(1.08); }
.card.with-media { padding: 0; overflow: hidden; }
.card.with-media .card-body { padding: 22px 24px 26px; }

/* ---------- Product category marquee ---------- */
.marquee-section { padding: 0 0 88px; overflow: hidden; }
.marquee {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  background: #fff;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 14px;
  width: max-content;
  animation: marqueeScroll 32s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marqueeScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--paper-100);
  color: var(--navy-900);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  border: 1px solid var(--line);
}
.marquee-pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent-500); }

/* ---------- Process / how we work ---------- */
.process {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  counter-reset: step;
  position: relative;
}
.process::before {
  content: "";
  position: absolute;
  top: 26px; left: 10%; right: 10%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 14px);
  z-index: 0;
}
.process-step { position: relative; z-index: 1; text-align: center; padding: 0 12px; }
.process-num {
  width: 52px; height: 52px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--navy-950);
  color: var(--accent-500);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  border: 3px solid var(--paper-50);
  box-shadow: 0 0 0 1px var(--line);
  transition: transform 0.3s var(--ease), background 0.3s;
}
.process-step:hover .process-num { transform: scale(1.1); background: var(--accent-500); color: #fff; }
.process-step h3 { font-size: 15px; margin: 0 0 6px; color: var(--navy-950); }
.process-step p { font-size: 13.5px; color: var(--ink-600); margin: 0; }

/* ---------- Two column layout with sidebar ---------- */
.layout-2col {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  max-width: var(--maxw);
  margin: 0 auto;
  align-items: start;
}
.sidebar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  position: sticky;
  top: 90px;
}
.sidebar .sb-title {
  background: var(--navy-950);
  color: #fff;
  padding: 16px 20px;
  font-weight: 700;
  font-size: 15px;
}
.sidebar ul { list-style: none; margin: 0; padding: 8px; }
.sidebar li a {
  display: block;
  padding: 11px 14px;
  border-radius: 7px;
  font-size: 14px;
  color: var(--ink-600);
  font-weight: 600;
  transition: background 0.15s, color 0.15s, padding-left 0.2s;
}
.sidebar li a:hover, .sidebar li.active a { background: var(--paper-100); color: var(--navy-950); padding-left: 18px; }
.sidebar li.active a { color: var(--accent-600); }

.content-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
}
.content-panel h2 { margin-top: 0; color: var(--navy-950); font-size: 24px; }
.content-panel p { color: var(--ink-600); font-size: 15px; }

/* ---------- Lists (services) ---------- */
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
  padding: 12px 0 12px 30px;
  position: relative;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  color: var(--ink-900);
  transition: padding-left 0.2s;
}
.check-list li:hover { padding-left: 36px; }
.check-list li:last-child { border-bottom: none; }
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--accent-500);
  transition: transform 0.2s;
}
.check-list li:hover::before { transform: scale(1.3) rotate(45deg); }

/* ---------- News ---------- */
.news-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s, padding-left 0.2s;
  border-radius: 6px;
}
.news-row:hover { background: var(--paper-100); padding-left: 12px; }
.news-row:last-child { border-bottom: none; }
.news-row .n-title { font-weight: 600; font-size: 15px; color: var(--ink-900); }
.news-row .n-title:hover { color: var(--accent-600); }
.news-row .n-date { font-size: 13px; color: var(--ink-400); white-space: nowrap; flex-shrink: 0; }

.featured-news {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  margin-bottom: 40px;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.featured-news:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.featured-news .media-block { height: 100%; border-radius: 0; min-height: 220px; }
.featured-news .fn-body { padding: 30px; }
.featured-news .fn-body .n-date { font-size: 13px; color: var(--ink-400); }
.featured-news .fn-body h3 { font-size: 20px; margin: 8px 0 12px; color: var(--navy-950); }
.featured-news .fn-body p { color: var(--ink-600); font-size: 14.5px; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.info-row { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.info-row:last-child { border-bottom: none; }
.info-row .ir-label { width: 90px; flex-shrink: 0; font-weight: 700; color: var(--navy-950); font-size: 14px; }
.info-row .ir-value { color: var(--ink-600); font-size: 14.5px; }
.info-row .ir-value a { color: var(--accent-600); font-weight: 600; }
.map-block {
  border-radius: var(--radius);
  min-height: 100%;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-200);
  font-size: 14px;
  text-align: center;
  padding: 30px;
  position: relative;
  overflow: hidden;
}
.map-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 75%);
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 75%);
}
.map-block .qr-wrap { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.map-block .qr-wrap img {
  width: 140px;
  height: 140px;
  border-radius: 10px;
  background: #fff;
  padding: 10px;
  box-shadow: var(--shadow-lg);
}

/* ---------- Footer WeChat QR ---------- */
.footer-qr {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}
.footer-qr img {
  width: 68px;
  height: 68px;
  border-radius: 8px;
  background: #fff;
  padding: 5px;
  flex-shrink: 0;
}
.footer-qr span { font-size: 12.5px; color: var(--ink-400); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy-950), var(--navy-800));
  color: #fff;
  padding: 64px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255,106,43,0.22), transparent 55%);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { margin: 0 0 10px; font-size: clamp(22px, 2.4vw, 28px); }
.cta-band p { color: var(--steel-200); margin: 0 0 4px; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--navy-950);
  color: var(--steel-200);
  padding: 56px 24px 0;
}
.footer-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid h4 {
  color: #fff;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 18px;
}
.footer-grid p { font-size: 14px; color: var(--steel-200); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: var(--steel-200); font-size: 14px; transition: color 0.15s, padding-left 0.15s; }
.footer-grid a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 0 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12.5px;
  color: var(--ink-400);
}
.footer-bottom a { color: var(--ink-400); }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--navy-950);
  color: var(--accent-500);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 60;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s, transform 0.25s var(--ease), visibility 0.25s, background 0.2s;
  box-shadow: var(--shadow-lg);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--accent-500); color: #fff; }
.back-to-top svg { width: 18px; height: 18px; }

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; }
.center { text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  nav.main-nav {
    position: fixed;
    top: 0; right: -300px;
    width: 280px;
    height: 100vh;
    background: #fff;
    box-shadow: -12px 0 40px rgba(15,36,56,0.18);
    padding: 90px 20px 20px;
    transition: right 0.3s var(--ease);
    z-index: 45;
    overflow-y: auto;
  }
  body.nav-open nav.main-nav { right: 0; }
  nav.main-nav ul { flex-direction: column; gap: 2px; }
  nav.main-nav a { padding: 13px 16px; }
  .nav-scrim {
    display: none;
    position: fixed; inset: 0;
    background: rgba(7,15,24,0.5);
    z-index: 44;
  }
  body.nav-open .nav-scrim { display: block; }

  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .layout-2col { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .featured-news { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3) { border-left: none; }
  .process { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
  .process::before { display: none; }
  .hero-content-row { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .grid.cols-3, .grid.cols-4, .grid.cols-2 { grid-template-columns: 1fr; }
  section { padding: 60px 20px; }
  .hero h1 { font-size: 30px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: 1fr; }
  .back-to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
}