/* ============================================================
   HIYAN 海研科技 — Corporate Site
   Brand: Green #1EA097  /  Blue #1650A8
   ============================================================ */

:root {
  --green: #1EA097;
  --green-600: #178A82;
  --green-50: #E8F6F4;
  --blue: #1650A8;
  --blue-700: #0F3E86;
  --blue-50: #E8EEF8;

  --ink: #0A1A2F;
  --ink-2: #1F2A3D;
  --muted: #5A6878;
  --line: #E6EBF2;
  --line-2: #EEF2F7;
  --bg: #FFFFFF;
  --bg-soft: #F6F8FB;
  --bg-tint: #F1F6F8;

  --grad-brand: linear-gradient(135deg, #1EA097 0%, #1773B6 55%, #1650A8 100%);
  --grad-brand-soft: linear-gradient(135deg, rgba(30,160,151,.08), rgba(22,80,168,.08));

  --shadow-sm: 0 2px 6px rgba(15,30,60,.04), 0 1px 2px rgba(15,30,60,.04);
  --shadow-md: 0 8px 24px rgba(15,30,60,.08), 0 2px 6px rgba(15,30,60,.05);
  --shadow-lg: 0 24px 60px rgba(15,30,60,.14), 0 8px 18px rgba(15,30,60,.06);

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  --container: 1280px;
  --pad: clamp(20px, 4vw, 56px);

  --font-cn: "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
}

/* Reset / base */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-cn);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.55;
  font-size: 15px;
  letter-spacing: 0.01em;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }

.en { font-family: var(--font-en); letter-spacing: 0.02em; }
.num { font-family: var(--font-en); font-feature-settings: "tnum"; letter-spacing: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 500;
  color: var(--green);
  letter-spacing: 0.18em; text-transform: uppercase;
  font-family: var(--font-en);
}
.eyebrow::before {
  content: ""; width: 28px; height: 1.5px; background: var(--green); display: inline-block;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.2; letter-spacing: -0.01em; font-weight: 600; }
h2.section-title {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 600;
  margin: 14px 0 18px;
  white-space: nowrap;
  letter-spacing: -0.005em;
}
.section-sub {
  color: var(--muted);
  max-width: 720px;
  font-size: 16px;
}

/* ============================================================
   ANNOUNCEMENT BAR
   ============================================================ */
.announce {
  background: linear-gradient(90deg, #0A1A2F 0%, #0F3E86 100%);
  color: rgba(255,255,255,.86);
  font-size: 12.5px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.announce .container {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.announce .left { display: flex; align-items: center; gap: 18px; }
.announce .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(30,160,151,.18); }
.announce a { opacity: .85; }
.announce a:hover { opacity: 1; }
.announce .right { display: flex; align-items: center; gap: 14px; }
.announce .sep { width: 1px; height: 12px; background: rgba(255,255,255,.18); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav-wrap {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; gap: 28px;
  height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
  margin-right: 8px;
}
.brand-logo {
  height: 40px;
  width: auto;
  display: block;
}
.brand-logo-light {
  /* invert dark navy logo for dark footer; preserve teal accent visibility */
  filter: brightness(0) invert(1);
  opacity: .92;
  height: 44px;
}

.nav-menu {
  display: flex; align-items: center; gap: 4px;
  flex: 1;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-item {
  position: relative;
}
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  font-size: 15px; color: var(--ink-2); font-weight: 500;
  border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav-link:hover { color: var(--blue); background: var(--bg-soft); }
.nav-link .caret { width: 10px; height: 10px; opacity: .6; transition: transform .2s; }
.nav-item:hover .nav-link .caret { transform: rotate(180deg); }

.nav-hot {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px 8px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(30,160,151,.10), rgba(22,80,168,.10));
  border: 1px solid rgba(30,160,151,.25);
  color: var(--ink);
  font-size: 14px; font-weight: 500;
  position: relative;
  transition: transform .2s, box-shadow .2s;
}
.nav-hot:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(30,160,151,.18); }
.nav-hot::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(30,160,151,.16);
}
.nav-hot .hot-tag {
  font-size: 10px; font-family: var(--font-en); letter-spacing: .1em;
  color: var(--green-600); font-weight: 600;
  padding: 2px 6px; border-radius: 4px;
  background: rgba(30,160,151,.14);
}

.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.lang-toggle {
  display: inline-flex; align-items: center; gap: 0;
  border: 1px solid var(--line); border-radius: 999px; padding: 3px;
  background: white;
}
.lang-toggle button {
  padding: 5px 12px;
  white-space: nowrap;  border-radius: 999px;
  font-size: 12.5px; font-weight: 500;
  color: var(--muted);
  font-family: var(--font-en);
  letter-spacing: .02em;
  transition: all .15s;
}
.lang-toggle button.active {
  background: var(--ink);
  color: white;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  transition: transform .15s, box-shadow .2s, background .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-brand); color: white;
  box-shadow: 0 6px 16px rgba(22,80,168,.22);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(22,80,168,.28); }
.btn-primary .arrow { transition: transform .2s; }
.btn-primary:hover .arrow { transform: translateX(3px); }
.nav-tel { letter-spacing: .01em; font-variant-numeric: tabular-nums; }
/* While editing in the host, never let the hover mega-menu pop over content */
html:has([contenteditable="true"]) .nav-item.has-mega > .mega,
body.om-editing .nav-item.has-mega > .mega { opacity: 0 !important; pointer-events: none !important; }
/* ZH context: hide decorative English kickers/labels (footer contact info keeps its English) */
html[lang="zh-CN"] :is(.eyebrow,.sa-eyebrow,.ai-block-eyebrow,.gh-en,.ch-eyebrow,.case-title-en,.sl-unit-en,.sl-vf-eyebrow,.aq-eyebrow,.aq-hero-badge .en,.bp-eyebrow,.mh-en,.mf-kicker,.ind-en,.ind-eyebrow,.ind-hero-eyebrow,.abc-en,.cap-eyebrow,.sa-roi-eyebrow,.sc-en,.gapp-en,.flip-en,.ai-scene-index .en) { display: none !important; }
.nav-tel svg { flex: none; }
.btn-ghost {
  background: white; color: var(--ink-2); border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-outline-light {
  background: transparent; color: white; border: 1px solid rgba(255,255,255,.4);
}
.btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: white; }

/* MEGA MENU */
.mega {
  position: absolute; top: 100%; left: 0;
  margin-top: 8px;
  transform: translateY(8px);
  width: min(1180px, 94vw);
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 28px;
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 80;
}
/* Invisible bridge so moving the cursor from the button into the
   menu doesn't cross a dead gap that collapses the dropdown. */
.mega::before {
  content: ""; position: absolute;
  top: -16px; left: 0; right: 0; height: 16px;
}
.nav-item.has-mega:hover > .mega,
.nav-item.has-mega:focus-within > .mega {
  opacity: 1; pointer-events: auto;
  transform: translateY(0);
}
.mega-head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding-bottom: 16px; margin-bottom: 18px;
  border-bottom: 1px solid var(--line-2);
}
.mega-head .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 0 4px rgba(30, 160, 151, .12); flex-shrink: 0;
}
.mega-head .mh-en {
  font-family: var(--font-en); font-size: 12px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; color: var(--green-600);
}
.mega-head .mh-lead { font-size: 14px; color: var(--ink-2); }
.mega-head .mh-lead b { color: var(--blue); font-weight: 700; }

.mega-flat {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px 28px;
}

/* Split layout: featured platform (left) + product grid (right), dashed divider */
.mega-body {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  gap: 30px;
  align-items: stretch;
}
.mega-feature {
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(160deg, #f2f9f6, #edf2fb);
  box-shadow: 0 10px 26px rgba(15, 30, 60, .07);
  position: relative;
  transition: box-shadow .2s, transform .2s;
}
.mega-feature:hover {
  box-shadow: 0 16px 34px rgba(15, 30, 60, .13);
  transform: translateY(-2px);
}
.mega-feature .mf-kicker {
  font-family: var(--font-en); font-size: 11px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--green-600);
}
.mega-feature .mf-title {
  font-size: 18px; font-weight: 700; color: var(--ink);
  letter-spacing: -.01em; margin-top: 14px;
}
.mega-feature .mf-desc {
  font-size: 12.5px; color: var(--muted); line-height: 1.5; margin-top: 8px;
}
.mega-feature .mf-link {
  margin-top: auto; padding-top: 18px;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--blue);
  transition: gap .2s;
}
.mega-feature:hover .mf-link { gap: 10px; }
.mega-feature:hover .mf-title { color: var(--blue); }
.mega-item {
  display: flex; align-items: flex-start; gap: 13px;
  min-width: 0;
  padding: 13px 18px 13px 14px;
  border-radius: 12px;
  transition: background .15s;
  position: relative;
}
.mega-item:hover { background: var(--bg-soft); }
.mega-item .icn {
  width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(150deg, #eef5f3, #e7eef8);
  display: grid; place-items: center;
  color: var(--green-600); flex-shrink: 0;
}
.mega-item.auto .icn {
  color: var(--blue);
  background: linear-gradient(150deg, #eaf1fb, #eef2f9);
}
.mega-item .txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.mega-item .name {
  font-size: 14px; font-weight: 500; color: var(--ink);
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.mega-item .desc { font-size: 12px; color: var(--muted); line-height: 1.4; }
/* EN titles are far longer than the Chinese they replaced; nowrap would set the
   grid track's min-content width and spill the last column past the panel. */
/* EN titles are far longer than the Chinese they replaced; nowrap would set the
   grid track's min-content width and spill the last column past the panel.
   Use inline flow (not flex-wrap) so the HOT badge stays on the title's last
   line instead of being pushed onto a row of its own. */
html[lang="en"] .mega-item .name {
  display: block; white-space: nowrap; font-size: 13.5px;
}
/* In EN the industry label is already English, so .ind-en duplicates it. */
html[lang="en"] .ind-en { display: none; }
/* In EN this heading reads as one phrase, so drop the CN accent color. */
html[lang="en"] .ind-hero-title em, html[lang="en"] .ind-hero-title .accent { color: var(--ink); }
/* EN CTA slogan is longer than the CN it replaces: keep the type size and let it
   break onto a second line at the em dash instead of mid-phrase. */
html[lang="en"] .cta-band h2 { white-space: pre-line !important; }
html[lang="en"] .mega-item .name .tag-hot {
  display: inline-block; vertical-align: 2px; margin-left: 5px;
}
.tag-hot {
  font-size: 9px; font-family: var(--font-en); font-weight: 600;
  letter-spacing: .12em;
  padding: 2px 5px; border-radius: 3px;
  background: #E07A5F;
  color: white;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: linear-gradient(180deg, #F7FAFC 0%, #F7FAFC 55%, #F7FAFC 100%) !important;
  color: var(--ink);
  overflow: hidden;
  isolation: isolate;
  min-height: 580px;
  max-height: 640px;
  display: flex;
}
.hero-media { display: none; }
.hero-media::after { display: none; }
.hero-media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(30,160,151,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,160,151,.06) 1px, transparent 1px);
  background-size: 30px 30px;
  z-index: 1;
  mask-image: radial-gradient(96% 84% at 50% 42%, black 50%, transparent 100%);
  -webkit-mask-image: radial-gradient(96% 84% at 50% 42%, black 50%, transparent 100%);
}
.hero-glow, .hero-glow.b { display: none; }

.hero-inner {
  position: relative; z-index: 5;
  padding: clamp(56px, 7vw, 88px) 0 clamp(48px, 6vw, 72px);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  font-size: 12.5px; color: rgba(255,255,255,.88);
  font-family: var(--font-en); letter-spacing: .08em;
}
.hero-eyebrow .badge {
  font-size: 10px; font-weight: 600;
  padding: 3px 8px; border-radius: 999px;
  background: var(--green); color: #052523;
  letter-spacing: .14em;
}
.hero h1 {
  font-size: clamp(38px, 5.4vw, 72px);
  font-weight: 600;
  letter-spacing: 0.005em;
  line-height: 1.28;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .2em;
}
.hero h1 .l1 { color: var(--ink); }
.hero h1 .l2 { color: var(--green-600); }
.hero .lede {
  font-size: clamp(17px, 1.5vw, 22px);
  color: var(--muted);
  margin: 24px 0 0;
  line-height: 1.55;
  letter-spacing: .02em;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta {
  margin: 56px auto 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  width: 100%;
  max-width: 760px;
}
.hero-meta > div { text-align: center; }
.hero-meta .v { justify-content: center; }
.hero-meta .v {
  font-family: var(--font-en);
  font-size: clamp(28px, 2.6vw, 38px); font-weight: 600;
  color: var(--ink);
  display: flex; align-items: baseline; gap: 2px;
}
.hero-meta .v .u { font-size: .55em; color: var(--green-600); margin-left: 3px; font-weight: 500; }
.hero-meta .k { font-size: 14px; color: var(--muted); margin-top: 6px; letter-spacing: .04em; }

/* Hero visual right side */
.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  max-width: 480px;
  justify-self: end;
}
.hero-card {
  position: absolute;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  backdrop-filter: blur(8px);
  box-shadow: 0 30px 60px rgba(0,0,0,.4);
}
.hero-card img { width: 100%; height: 100%; object-fit: cover; }
.hero-card.lg {
  inset: 0 0 32% 32%;
}
.hero-card.sm {
  inset: 38% 38% 0 0;
}
.hero-card .stamp {
  position: absolute; left: 12px; bottom: 12px;
  padding: 5px 10px;
  background: rgba(8,16,30,.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  font-size: 11px;
  color: white;
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-en);
}
.hero-card .stamp::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 0 3px rgba(30,160,151,.3);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 3px rgba(30,160,151,.3); }
  50% { box-shadow: 0 0 0 6px rgba(30,160,151,.0); }
}
.hero-chip {
  position: absolute;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(8,16,30,.65);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.14);
  display: flex; align-items: center; gap: 10px;
  font-size: 12px;
  color: rgba(255,255,255,.92);
  z-index: 3;
  font-family: var(--font-en);
}
.hero-chip .swatch {
  width: 22px; height: 22px; border-radius: 6px;
  display: grid; place-items: center;
  color: var(--green);
  background: rgba(30,160,151,.18);
}
.hero-chip .swatch.b { color: var(--blue); background: rgba(70,130,255,.18); }
.hero-chip .num { font-weight: 600; color: white; }
.hero-chip.c1 { top: -10px; right: 18%; }
.hero-chip.c2 { bottom: 12%; left: -22px; }

/* Hero variant: minimal */
.hero[data-variant="minimal"] .hero-visual,
.hero[data-variant="minimal"] .hero-chip { display: none; }
.hero[data-variant="minimal"] .hero-inner { grid-template-columns: 1fr; text-align: left; }

/* ============================================================
   MARQUEE — CLIENT LOGOS
   ============================================================ */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: white;
  padding: 28px 0;
  overflow: hidden;
}
.marquee-label {
  font-size: 12px; color: var(--muted); letter-spacing: .18em;
  text-transform: uppercase; font-family: var(--font-en);
  text-align: center; margin-bottom: 16px;
}
.marquee-track {
  display: flex; gap: 64px;
  animation: scroll 40s linear infinite;
  width: max-content;
}
.marquee-track span {
  font-size: 22px; font-weight: 500; color: #8A95A4;
  letter-spacing: .04em;
  white-space: nowrap;
  opacity: .82;
  transition: color .2s, opacity .2s;
}
.marquee-track span:hover { color: var(--ink); opacity: 1; }
@keyframes scroll {
  to { transform: translateX(-50%); }
}

/* ============================================================
   SECTION
   ============================================================ */
.section { padding: clamp(72px, 9vw, 120px) 0; scroll-margin-top: 96px; }
.section-soft { background: var(--bg-soft); }

.section-head {
  display: flex; align-items: end; justify-content: space-between;
  gap: 32px; margin-bottom: 48px;
  flex-wrap: wrap;
}
.section-head.center {
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 56px;
}
.section-head.center .section-sub { margin: 0 auto; }
.section-head .right {
  font-size: 14px; color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}
.section-head .right a {
  color: var(--blue); font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
}
.section-head .right a:hover { gap: 10px; }

/* ============================================================
   PRODUCT ECOSYSTEM
   ============================================================ */
.eco-tabs {
  display: inline-flex; padding: 4px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 999px;
  margin-bottom: 36px;
  gap: 4px;
}
.eco-tab {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: 8px;
  transition: all .2s;
}
.eco-tab .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); }
.eco-tab.green.active { background: rgba(30,160,151,.10); color: var(--green-600); }
.eco-tab.green.active .dot { background: var(--green); }
.eco-tab.blue.active { background: rgba(22,80,168,.10); color: var(--blue); }
.eco-tab.blue.active .dot { background: var(--blue); }
.eco-tab .count {
  font-family: var(--font-en);
  font-size: 11px; font-weight: 600;
  padding: 1px 6px; border-radius: 4px;
  background: rgba(0,0,0,.05);
}

.eco-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.eco-grid-2x4 { grid-template-columns: repeat(3, 1fr); row-gap: 28px; }
.eco-grid[hidden] { display: none; }
.eco-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--line);
  transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex; flex-direction: column;
}
.eco-card-link {
  position: absolute; inset: 0;
  z-index: 5;
}
.eco-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.eco-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background: var(--bg-tint);
}
.eco-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s;
}
.eco-card:hover .eco-thumb img { transform: scale(1.06); }
.eco-thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.35));
  pointer-events: none;
}
.eco-pill {
  position: absolute; top: 12px; left: 12px;
  z-index: 2;
  padding: 4px 9px;
  border-radius: 4px;
  font-size: 10.5px; font-family: var(--font-en);
  font-weight: 600; letter-spacing: .12em;
  background: rgba(255,255,255,.92);
  color: var(--ink);
}
.eco-pill.hot {
  background: #E07A5F;
  color: white;
}
.eco-pill.blue {
  background: rgba(22,80,168,.92);
  color: white;
}
.eco-num {
  position: absolute; top: 12px; right: 14px;
  z-index: 2;
  font-family: var(--font-en);
  font-size: 11px; color: rgba(255,255,255,.85);
  letter-spacing: .12em; font-weight: 500;
}
.eco-body {
  padding: 20px 22px 22px;
  display: flex; flex-direction: column; gap: 6px;
  flex: 1;
}
.eco-body h3 {
  font-size: 19px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.eco-body .desc {
  font-size: 13.5px; color: var(--muted); line-height: 1.55;
  margin-bottom: 8px;
}
.eco-body .meta {
  display: flex; align-items: center; gap: 14px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12px; color: var(--muted);
}
.eco-body .meta .m { display: inline-flex; align-items: center; gap: 5px; }
.eco-body .meta .v { color: var(--ink); font-weight: 600; font-family: var(--font-en); }

/* ---- Auto-scroll marquee (products) ---- */
.eco-marquee {
  position: relative;
  overflow: hidden;
  margin-top: 4px;
}
.eco-track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: eco-scroll 48s linear infinite;
}
.eco-marquee:hover .eco-track { animation-play-state: paused; }
.eco-track .eco-card {
  flex: 0 0 300px;
  width: 300px;
}
@keyframes eco-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(-50% - 10px)); }
}
@media (prefers-reduced-motion: reduce) {
  .eco-track { animation: none; }
}
@media (max-width: 640px) {
  .eco-track .eco-card { flex-basis: 260px; width: 260px; }
}

/* ============================================================
   FEATURED SPOTLIGHT (SOP + 板材)
   ============================================================ */
.spotlight-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.spot {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #0A1A2F;
  color: white;
  min-height: 480px;
  display: flex; flex-direction: column; justify-content: end;
  isolation: isolate;
}
.spot-bg {
  position: absolute; inset: 0; z-index: 0;
}
.spot-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.spot-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,18,38,.25) 30%, rgba(6,18,38,.95) 95%);
}
.spot-content { position: relative; z-index: 2; padding: 36px 36px 32px; }
.spot-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 11px 5px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  font-size: 12px;
  margin-bottom: 18px;
  backdrop-filter: blur(8px);
  font-family: var(--font-en);
  letter-spacing: .08em;
}
.spot-eyebrow .badge {
  font-size: 10px; padding: 2px 6px; border-radius: 999px;
  background: var(--green); color: #052523; font-weight: 600; letter-spacing: .1em;
}
.spot h3 {
  font-size: clamp(26px, 2.4vw, 34px);
  font-weight: 600; letter-spacing: -0.01em;
  line-height: 1.15;
}
.spot .desc {
  color: rgba(255,255,255,.78); font-size: 15px;
  margin: 14px 0 22px;
  max-width: 460px;
  line-height: 1.6;
}
.spot-metrics {
  display: flex; gap: 28px;
  padding: 16px 0 22px;
  border-top: 1px solid rgba(255,255,255,.14);
  margin-top: 4px;
}
.spot-metrics .m { display: flex; flex-direction: column; gap: 2px; }
.spot-metrics .v {
  font-family: var(--font-en); font-size: 22px; font-weight: 600;
  color: var(--green);
}
.spot.b .spot-metrics .v { color: #6AB4FF; }
.spot-metrics .k { font-size: 11px; color: rgba(255,255,255,.6); letter-spacing: .04em; }

.spot-cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px;
  color: white;
  font-weight: 500;
  padding: 10px 18px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 999px;
  width: fit-content;
  transition: all .2s;
}
.spot-cta:hover { background: white; color: var(--ink); border-color: white; }

/* ============================================================
   INDUSTRIES
   ============================================================ */
.industry-band {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-top: 36px;
}
.ind {
  background: white;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px 18px;
  text-align: center;
  transition: all .25s;
  position: relative;
  overflow: hidden;
}
.ind::before {
  content: ""; position: absolute; inset: -1px;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity .25s;
  z-index: 0;
  border-radius: inherit;
}
.ind > * { position: relative; z-index: 1; }
.ind:hover { transform: translateY(-4px); border-color: transparent; color: white; }
.ind:hover::before { opacity: 1; }
.ind:hover .ind-en, .ind:hover .ind-icn { color: rgba(255,255,255,.85); }
.ind:hover .ind-cn { color: white; }
.ind-icn {
  width: 44px; height: 44px;
  margin: 0 auto 14px;
  color: var(--blue);
  transition: color .2s;
}
.ind-cn { font-size: 16px; font-weight: 600; color: var(--ink); }
.ind-en {
  font-size: 11px; color: var(--muted); margin-top: 4px;
  font-family: var(--font-en); letter-spacing: .12em;
  text-transform: uppercase;
}

/* ============================================================
   CASES
   ============================================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.case-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  transition: all .25s;
  position: relative;
}
.case-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.case-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
  font-size: 12px; color: var(--muted);
  font-family: var(--font-en); letter-spacing: .12em;
  text-transform: uppercase;
}
.case-head .num {
  font-weight: 600; color: var(--ink-2);
  font-family: var(--font-en);
  padding: 2px 8px;
  background: var(--bg-tint);
  border-radius: 4px;
}
.case-card h3 {
  font-size: 22px; font-weight: 600; line-height: 1.3;
  margin-bottom: 12px;
  text-wrap: balance;
}
.case-card .case-desc {
  color: var(--muted); font-size: 14px; line-height: 1.65;
  margin-bottom: 20px;
}
.case-tags {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-bottom: 22px;
}
.case-tag {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-tint);
  color: var(--ink-2);
}
.case-tag.g { background: var(--green-50); color: var(--green-600); }
.case-tag.b { background: var(--blue-50); color: var(--blue); }
.case-metrics {
  display: flex; gap: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line-2);
}
.case-metrics .m { display: flex; flex-direction: column; gap: 2px; }
.case-metrics .v {
  font-family: var(--font-en);
  font-size: 22px; font-weight: 600;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.case-metrics .k { font-size: 11.5px; color: var(--muted); }
.case-art {
  width: 110px;
  display: flex; flex-direction: column;
  align-items: flex-end; justify-content: space-between;
  text-align: right;
  flex-shrink: 0;
}
.case-art .glyph {
  width: 64px; height: 64px;
  color: var(--blue);
  opacity: .6;
}
.case-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  display: grid; place-items: center;
  transition: all .25s;
}
.case-card:hover .case-arrow {
  background: var(--grad-brand);
  transform: rotate(-45deg);
}

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  position: relative;
  background: #061226;
  color: white;
  overflow: hidden;
  isolation: isolate;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: none;
}
.cta-band .container { position: relative; z-index: 1; }
.cta-inner {
  padding: clamp(60px, 8vw, 96px) 0;
  display: grid; grid-template-columns: 1fr auto;
  gap: 40px; align-items: center;
}
.cta-band h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
@media (max-width: 900px) {
  .cta-band h2 { white-space: normal; font-size: clamp(24px, 4vw, 34px); }
}
.cta-band p {
  color: rgba(255,255,255,.7);
  font-size: 16px;
  margin: 16px 0 0;
  max-width: 540px;
}
.cta-actions { display: flex; gap: 12px; justify-content: end; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #061226;
  color: rgba(255,255,255,.7);
  padding: 80px 0 32px;
  font-size: 14px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer .brand-mark { width: 44px; height: 44px; }
.footer .brand-cn { color: white; }
.footer-blurb {
  color: rgba(255,255,255,.6);
  margin: 18px 0 22px;
  max-width: 320px;
  font-size: 14px;
  line-height: 1.65;
}
.footer h5 {
  color: white;
  font-size: 14px; font-weight: 600;
  margin: 0 0 18px;
  letter-spacing: .04em;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 11px; }
.footer ul a {
  color: rgba(255,255,255,.62);
  font-size: 14px;
  transition: color .2s;
  display: inline-flex; align-items: center; gap: 8px;
}
.footer ul a:hover { color: var(--green); }
.footer ul a .hot-mini {
  font-size: 9px; padding: 1px 5px;
  background: #E07A5F; color: white;
  border-radius: 3px; font-weight: 600; letter-spacing: .1em;
  font-family: var(--font-en);
}
.contact-row {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 14px;
}
.contact-row .icn {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,.06);
  display: grid; place-items: center;
  color: var(--green); flex-shrink: 0;
}
.contact-row .lbl { font-size: 11px; color: rgba(255,255,255,.5); letter-spacing: .12em; text-transform: uppercase; font-family: var(--font-en); }
.contact-row .val {
  color: white; font-size: 14.5px; font-weight: 500; margin-top: 2px;
  white-space: nowrap;
  letter-spacing: .01em;
}
.contact-row .val.en { font-family: var(--font-en); }

.footer-bottom {
  padding-top: 28px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  font-size: 12px;
  color: rgba(255,255,255,.4);
  font-family: var(--font-en);
  letter-spacing: .04em;
}
.footer-bottom .links { display: flex; gap: 22px; }
.footer-bottom a:hover { color: white; }

/* ============================================================
   FLOATING RIGHT RAIL
   ============================================================ */
.float-rail {
  position: fixed;
  right: 18px;
  top: auto; bottom: 108px; transform: none;
  z-index: 90;
  display: flex; flex-direction: column;
  gap: 12px;
}
body.has-stickybar .float-rail { bottom: 108px; }
/* always visible; carousel arrows stay above it where they overlap */
.hc-arrow, .rb2-arrow, .hero-arrow { z-index: 95; }
.float-btn {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: white;
  box-shadow: 0 8px 24px rgba(15,30,60,.12), 0 2px 4px rgba(15,30,60,.06);
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2px;
  color: var(--ink-2);
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  position: relative;
}
.float-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(15,30,60,.18);
}
.float-btn .glyph { width: 28px; height: 28px; }
.float-btn .label {
  font-size: 9px; color: var(--muted);
  letter-spacing: .04em;
  font-weight: 500;
}
.float-btn.wechat .glyph { color: #07C160; }
.float-btn.whatsapp .glyph { color: #25D366; }
.float-btn-top {
  width: 56px; height: 36px; border-radius: 14px;
  background: white;
  border: 1px solid var(--line);
  color: var(--muted);
  display: grid; place-items: center;
  cursor: pointer;
  transition: all .2s;
}
.float-btn-top:hover { color: var(--blue); border-color: var(--blue); }

.qr-pop {
  position: absolute;
  right: calc(100% + 14px); top: 50%;
  transform: translateY(-50%) translateX(8px) scale(.96);
  background: white;
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(15,30,60,.2), 0 6px 14px rgba(15,30,60,.08);
  padding: 14px;
  width: 232px;
  opacity: 0; pointer-events: none;
  transition: opacity .22s, transform .22s;
  border: 1px solid var(--line);
}
.float-btn.wechat:hover .qr-pop {
  opacity: 1; pointer-events: auto;
  transform: translateY(-50%) translateX(0) scale(1);
}
.qr-pop::after {
  content: "";
  position: absolute;
  right: -7px; top: 50%; transform: translateY(-50%) rotate(45deg);
  width: 14px; height: 14px; background: white;
  border-right: 1px solid var(--line);
  border-top: 1px solid var(--line);
}
.qr-pop .qr-title {
  font-size: 13px; font-weight: 600;
  color: var(--ink); text-align: center;
  margin-bottom: 8px;
}
.qr-pop .qr-img {
  width: 100%; aspect-ratio: 1;
  background: var(--bg-tint);
  border-radius: 8px;
  overflow: hidden;
  display: grid; place-items: center;
}
.qr-pop .qr-img img { width: 100%; height: 100%; object-fit: cover; }
.qr-pop .qr-hint {
  font-size: 11px; color: var(--muted); text-align: center;
  margin-top: 10px;
  display: flex; align-items: center; justify-content: center; gap: 5px;
}
.qr-pop .qr-hint .dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--green);
}

/* ============================================================
   PARTNERS · 标杆客户 LOGO 墙
   ============================================================ */
.partners-section {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  padding-bottom: clamp(80px, 9vw, 110px);
}
.partners-wall {
  position: relative;
  margin: 0 auto;
  max-width: 1100px;
  padding: 20px clamp(12px, 3vw, 36px);
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 4px 14px rgba(15,30,60,.04);
}
.partners-wall img {
  display: block;
  width: 100%;
  height: auto;
  /* slight contrast tune so monochrome marks stay crisp */
  filter: saturate(.96);
}
.partners-fade-edge {
  position: absolute;
  top: 20px; bottom: 20px;
  width: clamp(24px, 4vw, 60px);
  pointer-events: none;
}
.partners-fade-edge.left  { left: 0;  background: linear-gradient(90deg, white, transparent); border-radius: 18px 0 0 18px; }
.partners-fade-edge.right { right: 0; background: linear-gradient(-90deg, white, transparent); border-radius: 0 18px 18px 0; }

/* ============================================================
   CASE GRID · 4 列精简卡片
   ============================================================ */
.case-grid-4 {
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 20px;
}
.case-grid-4 .case-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  gap: 0;
  overflow: hidden;
}
.case-grid-4 .case-thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-tint);
  position: relative;
}
.case-grid-4 .case-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s;
}
.case-grid-4 .case-card:hover .case-thumb img { transform: scale(1.05); }
.case-grid-4 .case-thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10,26,47,.18));
  pointer-events: none;
}
.case-grid-4 .case-body {
  padding: 18px 20px 22px;
  display: flex; flex-direction: column; gap: 10px;
  flex: 1;
}
.case-grid-4 .case-meta {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; color: var(--muted);
  font-family: var(--font-en); letter-spacing: .1em;
  text-transform: uppercase;
}
.case-grid-4 .case-num {
  font-weight: 600;
  color: var(--ink-2);
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--bg-tint);
}
.case-grid-4 .case-meta .case-tag {
  font-family: var(--font-cn);
  text-transform: none;
  letter-spacing: 0;
  font-size: 11.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.case-grid-4 .case-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin: 0;
}
.case-grid-4 .case-link {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--blue);
  font-weight: 500;
  padding-top: 6px;
  transition: gap .2s;
}
.case-grid-4 .case-card:hover .case-link { gap: 10px; }

@media (max-width: 1100px) {
  .case-grid-4 { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 640px) {
  .case-grid-4 { grid-template-columns: 1fr !important; }
}

/* ============================================================
   CASE GRID V2 · 4 列精简卡片（参考蓝图风格）
   ============================================================ */
.case-grid-v2 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}
.case-card-v2 {
  position: relative;
  background: #FBFBF8;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 26px 22px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  overflow: hidden;
  isolation: isolate;
}
.case-card-v2::before {
  /* subtle blueprint grid */
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(22,80,168,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,80,168,.045) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
  pointer-events: none;
  z-index: 0;
  opacity: .9;
  mask-image: linear-gradient(180deg, black 0%, black 60%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, black 0%, black 60%, transparent 100%);
}
.case-card-v2 > * { position: relative; z-index: 1; }
.case-card-v2:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 44px rgba(15,30,60,.10);
  border-color: rgba(22,80,168,.18);
}

.case-top {
  display: flex; align-items: center; justify-content: flex-start;
  margin-bottom: 36px;
}
.case-no {
  display: inline-grid; place-items: center;
  font-family: var(--font-en);
  font-size: 12px; font-weight: 600;
  letter-spacing: .08em;
  color: var(--ink-2);
  background: var(--bg-tint);
  border: 1px solid var(--line);
  padding: 4px 9px;
  border-radius: 5px;
  min-width: 32px;
}
.case-client {
  font-family: var(--font-en);
  font-size: 13px; font-weight: 700;
  letter-spacing: .04em;
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  background: linear-gradient(135deg, #1EA097, #1650A8);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.18);
}

.case-v2-title {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 14px;
  letter-spacing: -.005em;
  text-wrap: balance;
}

.case-v2-desc {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
  flex: 1;
  letter-spacing: .01em;
}

.case-divider {
  margin: 18px 0 14px;
  height: 0;
  border-top: 1px dashed rgba(22,80,168,.22);
}

.case-bottom {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 12px;
}
.case-seg-wrap { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.case-seg-label {
  font-size: 11px;
  color: var(--muted);
  font-family: var(--font-en);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.case-seg {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.case-arrow-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  display: grid; place-items: center;
  flex-shrink: 0;
  transition: transform .25s, background .25s;
}
.case-card-v2:hover .case-arrow-btn {
  transform: rotate(0deg) translateX(3px) translateY(-3px) scale(1.05);
  background: linear-gradient(135deg, #1EA097, #1650A8);
}

@media (max-width: 1100px) {
  .case-grid-v2 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .case-grid-v2 { grid-template-columns: 1fr; }
}

/* ============================================================
   HiEdgeMind · 数字化云平台（浅色蓝图风格）
   ============================================================ */
.tech-section {
  position: relative;
  background: #F1F5F8;
  border-top: 1px solid var(--line);
  color: var(--ink);
  overflow: hidden;
  isolation: isolate;
}
.tech-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.tech-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(22,80,168,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,80,168,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 60% at 50% 40%, black 30%, transparent 95%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, black 30%, transparent 95%);
}
.tech-glow {
  position: absolute;
  width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(30,160,151,.18), transparent 70%);
  left: -260px; top: -180px;
  filter: blur(40px);
}
.tech-glow.b {
  right: -300px; bottom: -260px; left: auto; top: auto;
  background: radial-gradient(closest-side, rgba(22,80,168,.20), transparent 70%);
}
.tech-section .container { position: relative; z-index: 1; }

/* Section head on light tech bg */
.tech-section .section-head.light .section-sub { color: var(--muted); }
.tech-section .section-head.light .section-title { color: var(--ink); }
.tech-section .section-head.light .eyebrow { color: var(--green-600); }
.tech-section .section-head.light .eyebrow::before { background: var(--green-600); }

.tech-arch {
  display: flex; flex-direction: column; align-items: stretch;
  gap: 0;
  margin: 0 auto;
  max-width: 980px;
}
.tech-showcase {
  display: grid; grid-template-columns: minmax(0,.82fr) minmax(0,1.18fr);
  gap: clamp(28px, 4vw, 56px); align-items: center;
  max-width: 1100px; margin: 0 auto;
}
.tech-sc-text { display: flex; flex-direction: column; }
.tech-sc-lede { font-size: clamp(16px,1.3vw,18px); line-height: 1.8; color: var(--ink-2); margin: 0 0 4px; text-wrap: pretty; }
.tech-sc-list { display: flex; flex-direction: column; margin: 8px 0 auto; }
.tech-sc-row { display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: 14px; padding: 18px 0; border-top: 1px solid var(--line-2); }
.tech-sc-row:first-child { border-top: 0; }
.tsr-num { font-family: var(--font-en); font-size: 13px; font-weight: 700; color: var(--green-600); }
.tsr-title { font-size: 17px; font-weight: 600; color: var(--ink); }
.tsr-desc { font-size: 13.5px; color: var(--muted); text-align: right; }
.tech-sc-btn { align-self: flex-start; margin-top: 24px; }
.tech-sc-img { position: relative; border-radius: 16px; overflow: visible; border: 1px solid var(--line); box-shadow: var(--shadow-lg); background: #fff; }
.tech-sc-img img { display: block; width: 100%; height: auto; object-fit: contain; border-radius: 16px; }
.tech-sc-chip { position: absolute; right: -34px; top: 46%; display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--ink); background: #fff; padding: 10px 16px; border-radius: 999px; box-shadow: var(--shadow-lg); border: 1px solid var(--line); white-space: nowrap; }
.tech-sc-chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.tech-sc-chip.bl { right: auto; left: -34px; top: auto; bottom: 8%; }
@media (max-width: 860px) { .tech-showcase { grid-template-columns: 1fr; } .tsr-desc { display: none; } }

.tier {
  position: relative;
  padding: 24px 28px 24px 32px;
  border-radius: 16px;
  background: white;
  border: 1px solid var(--line);
  box-shadow: 0 4px 14px rgba(15,30,60,.04);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  align-items: center;
  transition: box-shadow .25s, transform .25s;
  overflow: hidden;
}
.tier::before {
  /* left brand stripe */
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0; width: 4px;
}
.tier:hover { box-shadow: 0 14px 30px rgba(15,30,60,.08); transform: translateY(-2px); }

.tier-cloud::before  { background: linear-gradient(180deg, #1EA097, #34C9BD); }
.tier-edge::before   { background: linear-gradient(180deg, #1773B6, #6AB4FF); }
.tier-device::before { background: linear-gradient(180deg, #1650A8, #1773B6); }

.tier-head { display: flex; flex-direction: column; gap: 10px; }
.tier-tag {
  font-family: var(--font-en);
  font-size: 11px; letter-spacing: .18em;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  width: fit-content;
  color: white;
}
.tier-cloud  .tier-tag { background: linear-gradient(135deg, #1EA097, #34C9BD); color: #052523; }
.tier-edge   .tier-tag { background: linear-gradient(135deg, #1773B6, #5A9BFF); }
.tier-device .tier-tag { background: linear-gradient(135deg, #1650A8, #1773B6); }

.tier-name {
  font-size: 17px; font-weight: 600;
  color: var(--ink); letter-spacing: .01em;
}
.tier-more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 4px;
  font-size: 13px; font-weight: 600;
  color: var(--green-600);
  letter-spacing: .01em;
  transition: gap .2s, color .2s;
}
.tier-more svg { transition: transform .2s; }
.tier-more:hover { gap: 9px; color: var(--green); }
.tier-more:hover svg { transform: translateX(2px); }
.tier-mods {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.tmod {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 13px;
  color: var(--ink-2);
  letter-spacing: .01em;
  transition: background .2s, border-color .2s;
}
.tier-cloud  .tmod:hover { background: rgba(30,160,151,.06);  border-color: rgba(30,160,151,.30); }
.tier-edge   .tmod:hover { background: rgba(23,115,182,.06); border-color: rgba(23,115,182,.30); }
.tier-device .tmod:hover { background: rgba(22,80,168,.06);  border-color: rgba(22,80,168,.30); }
.tmod-i {
  font-family: var(--font-en);
  font-size: 12px;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 6px;
  flex-shrink: 0;
}
.tier-cloud  .tmod-i { background: rgba(30,160,151,.12); color: var(--green-600); }
.tier-edge   .tmod-i { background: rgba(23,115,182,.12); color: #1773B6; }
.tier-device .tmod-i { background: rgba(22,80,168,.12); color: var(--blue-700); }

.tier-link {
  height: 32px;
  display: flex; justify-content: center;
}
.tier-link svg { width: 40px; height: 100%; }
.tier-link svg line { stroke: rgba(22,80,168,.32); }

.tech-features {
  margin-top: 56px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.t-feat {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 18px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.t-feat:hover {
  border-color: rgba(30,160,151,.32);
  box-shadow: 0 10px 22px rgba(15,30,60,.06);
  transform: translateY(-2px);
}
.t-feat-num {
  font-family: var(--font-en);
  font-size: 13px; font-weight: 700;
  letter-spacing: .12em;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  padding-top: 2px;
}
.t-feat-body h4 {
  font-size: 17px; font-weight: 600; color: var(--ink);
  margin: 0 0 6px;
}
.t-feat-body p {
  font-size: 13px; color: var(--muted);
  margin: 0; line-height: 1.55;
}

/* ============================================================
   ABOUT HIYAN · 关于海研
   ============================================================ */
.about-section { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-para {
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.75;
  margin: 0 0 32px;
  letter-spacing: .01em;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-bottom: 36px;
}
.a-stat {
  padding: 22px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: white;
}
.a-v {
  display: flex; align-items: baseline; gap: 4px;
  font-family: var(--font-en);
  font-size: 34px; font-weight: 600;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  letter-spacing: -0.01em;
}
.a-v .u {
  font-size: .42em; color: var(--green);
  -webkit-text-fill-color: var(--green);
  margin-left: 2px;
  font-weight: 500;
}
.a-k {
  margin-top: 6px;
  font-size: 13px; color: var(--muted);
  letter-spacing: .02em;
}

.about-honors .honors-label {
  font-size: 12px; color: var(--muted);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-family: var(--font-en);
  margin-bottom: 12px;
}
.honors-list {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.hbadge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px 8px 10px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-2);
  font-weight: 500;
  transition: all .2s;
}
.hbadge:hover {
  border-color: var(--green);
  color: var(--green-600);
  transform: translateY(-1px);
}
.hb-icn {
  width: 20px; height: 20px;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(30,160,151,.16), rgba(22,80,168,.16));
  color: var(--green-600);
  display: grid; place-items: center;
  font-size: 11px;
}

/* Milestones rail */
.about-right {
  padding: 32px;
  background: linear-gradient(180deg, #F6F8FB 0%, #FFFFFF 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
}
.ms-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.ms-eyebrow {
  font-size: 11px; color: var(--muted);
  letter-spacing: .18em; text-transform: uppercase;
  font-family: var(--font-en);
}
.ms-title {
  font-size: 18px; font-weight: 600;
  color: var(--ink);
  margin: 8px 0 0;
  line-height: 1.4;
}

.ms-list {
  list-style: none; margin: 0; padding: 0;
  position: relative;
}
.ms-list::before {
  content: ""; position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(30,160,151,.5), rgba(22,80,168,.5));
}
.ms-item {
  position: relative;
  padding: 0 0 22px 32px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: baseline;
}
.ms-item:last-child { padding-bottom: 0; }
.ms-dot {
  position: absolute;
  left: 3px; top: 7px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: white;
  border: 2px solid var(--green);
  box-shadow: 0 0 0 4px rgba(30,160,151,.10);
}
.ms-current .ms-dot {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(30,160,151,.18);
  animation: pulse 2s infinite;
}
.ms-year {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0;
  white-space: nowrap;
}
.ms-current .ms-year { color: var(--green-600); }
.ms-text {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.6;
}

@media (max-width: 1100px) {
  .tier { grid-template-columns: 1fr; gap: 14px; }
  .tier-mods { grid-template-columns: repeat(2, 1fr); }
  .tech-features { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .tier-mods { grid-template-columns: 1fr; }
  .tech-features { grid-template-columns: 1fr; }
  .ms-item { grid-template-columns: 1fr; gap: 4px; padding-left: 28px; }
}

/* ============================================================
   ABOUT PAGE · 关于我们
   ============================================================ */
.nav-link.active {
  color: var(--blue);
  background: var(--bg-soft);
}

/* Light blueprint banner — strong contrast vs homepage dark hero */
.page-header {
  position: relative;
  background: #F5F4EE;
  color: var(--ink);
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
}
.ph-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
/* Prominent blueprint grid */
.ph-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(22,80,168,.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,80,168,.075) 1px, transparent 1px),
    linear-gradient(rgba(22,80,168,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,80,168,.04) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
  background-position: 0 0, 0 0, 0 0, 0 0;
  mask-image: linear-gradient(180deg, black 30%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, black 30%, transparent 100%);
}
/* Blueprint corner brackets */
.page-header::before, .page-header::after {
  content: "";
  position: absolute;
  width: 64px; height: 64px;
  border: 1.5px solid rgba(30,160,151,.55);
  z-index: 1;
  pointer-events: none;
}
.page-header::before {
  top: 96px; left: 36px;
  border-right: none; border-bottom: none;
}
.page-header::after {
  bottom: 36px; right: 36px;
  border-left: none; border-top: none;
  border-color: rgba(22,80,168,.45);
}
.ph-glow {
  position: absolute;
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(30,160,151,.18), transparent 70%);
  left: -120px; top: -160px;
  filter: blur(50px);
}
.ph-glow.b {
  right: -180px; bottom: -240px; left: auto; top: auto;
  background: radial-gradient(closest-side, rgba(22,80,168,.20), transparent 70%);
}
.ph-inner {
  position: relative; z-index: 2;
  padding: clamp(80px, 11vw, 140px) 0 clamp(70px, 9vw, 110px);
}
.breadcrumb {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px;
  margin-bottom: 28px;
  color: var(--muted);
  font-family: var(--font-en);
  letter-spacing: .04em;
}
.breadcrumb a { color: var(--ink-2); transition: color .2s; }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb .sep { color: var(--line); }
.breadcrumb .current { color: var(--blue); font-weight: 500; }
.ph-eyebrow {
  display: inline-flex;
  font-family: var(--font-en);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 14px;
}
.ph-title {
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--ink);
}
.ph-sub {
  font-size: clamp(15px, 1.3vw, 18px);
  color: var(--muted);
  margin: 18px 0 0;
  letter-spacing: .02em;
}

/* Service Network */
.service-section {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.svc-card {
  position: relative;
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 26px 26px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.svc-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(15,30,60,.08);
  border-color: rgba(30,160,151,.28);
}
.svc-card.hq {
  border-color: rgba(30,160,151,.35);
  background: linear-gradient(160deg, rgba(30,160,151,.05), white 60%);
}
.svc-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--bg-tint);
  color: var(--muted);
  margin-bottom: 18px;
}
.svc-card.hq .svc-tag {
  background: linear-gradient(135deg, #1EA097, #1773B6);
  color: white;
}
.svc-city {
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1;
}
.svc-en {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .12em;
  margin-top: 4px;
  text-transform: uppercase;
}
.svc-addr {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .service-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .nav-menu { display: none; }
  .eco-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-band { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .cta-inner { grid-template-columns: 1fr; }
  .cta-actions { justify-content: start; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero h1 { white-space: normal; }
}
@media (max-width: 720px) {
  h2.section-title { white-space: normal; font-size: 26px; }
  .hero h1 { white-space: normal; font-size: 30px; }
}

@media (max-width: 640px) {
  .announce .right .sep, .announce .right .lang-mini { display: none; }
  .eco-grid { grid-template-columns: 1fr; }
  .industry-band { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .case-card { grid-template-columns: 1fr; padding: 24px; }
  .case-art { flex-direction: row; width: 100%; align-items: center; justify-content: space-between; }
  .float-rail { right: 12px; bottom: 122px; }
  .float-btn { width: 50px; height: 50px; }
}

/* EN wrap safety — English runs ~50% wider than Chinese, so nowrap tuned to CJK
   metrics overflows. Headings and prose wrap in EN; inline pills keep nowrap. */
html[lang="en"] h1,
html[lang="en"] h2,
html[lang="en"] h3,
html[lang="en"] h4,
html[lang="en"] p,
html[lang="en"] .section-title,
html[lang="en"] .section-sub,
html[lang="en"] .lede { white-space: normal !important; }

/* ============================================================
   STICKY BOTTOM BAR
   ============================================================ */
.stickybar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: rgb(34,211,197); border-top: 1px solid rgba(255,255,255,.45); box-shadow: 0 -12px 34px -18px rgba(8,60,70,.45); transition: transform .28s ease, opacity .28s ease; overflow: hidden; animation: sb-rise .5s cubic-bezier(.2,.8,.3,1) .6s both; }
.stickybar::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(100deg, transparent 20%, rgba(255,255,255,.5) 45%, transparent 70%); transform: translateX(-100%); animation: sb-sheen 5.5s ease-in-out 1.6s infinite; }
@keyframes sb-rise { from { transform: translateY(100%); } to { transform: none; } }
@keyframes sb-sheen { 0% { transform: translateX(-100%); } 45%, 100% { transform: translateX(100%); } }
.stickybar-ai { position: relative; flex: none; display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 17px 0 13px; border-radius: 999px; background: #fff; color: rgb(8,31,45); font-size: 15px; font-weight: 800; letter-spacing: .04em; box-shadow: 0 0 0 0 rgba(255,255,255,.6); animation: sb-pulse 2.6s ease-out infinite; }
.stickybar-ai i { width: 7px; height: 7px; border-radius: 50%; background: rgb(13,148,136); animation: sb-blink 1.6s ease-in-out infinite; }
@keyframes sb-pulse { 0% { box-shadow: 0 0 0 0 rgba(255,255,255,.6); } 70%, 100% { box-shadow: 0 0 0 12px rgba(255,255,255,0); } }
@keyframes sb-blink { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .45; transform: scale(.8); } }
.stickybar-btn::after { content: ""; position: absolute; inset: 0; border-radius: inherit; box-shadow: 0 0 0 0 rgba(8,24,36,.4); animation: sb-btn-pulse 2.6s ease-out .8s infinite; pointer-events: none; }
@keyframes sb-btn-pulse { 0% { box-shadow: 0 0 0 0 rgba(8,24,36,.4); } 70%, 100% { box-shadow: 0 0 0 12px rgba(8,24,36,0); } }
@media (prefers-reduced-motion: reduce) { .stickybar, .stickybar::before, .stickybar-ai, .stickybar-ai i, .stickybar-btn::after { animation: none; } }
.stickybar-in { display: flex; align-items: center; gap: 24px; min-height: 74px; padding-block: 13px; }
.stickybar-txt { margin: 0; flex: 1; min-width: 0; font-size: 16.5px; line-height: 1.5; color: rgb(8,31,45); }
.stickybar-txt b { color: rgb(8,31,45); font-weight: 700; }
.stickybar-txt i { font-style: normal; color: rgba(8,31,45,.4); margin: 0 4px; }
.stickybar-btn { position: relative; display: inline-flex; align-items: center; gap: 9px; flex: none; height: 48px; padding: 0 28px; border-radius: 999px; background: rgb(8,24,36); color: #fff; font-size: 16px; font-weight: 600; white-space: nowrap; transition: background .2s, transform .2s, color .2s; }
.stickybar-btn:hover { background: rgb(4,14,22); transform: translateY(-1px); color: #fff; }
body.has-stickybar .footer { padding-bottom: 100px; }
@media (max-width: 720px) { .stickybar-in { gap: 10px; min-height: 62px; } .stickybar-ai { height: 30px; padding: 0 12px 0 10px; font-size: 13.5px; } .stickybar-txt { font-size: 14px; } .stickybar-txt span, .stickybar-txt i { display: none; } .stickybar-btn { height: 42px; padding: 0 20px; font-size: 14.5px; } }

/* ============================================================
   MOBILE NAV
   ============================================================ */
.nav-burger { display: none; flex: none; width: 40px; height: 40px; padding: 9px; border: 0; border-radius: 10px; background: none; cursor: pointer; flex-direction: column; justify-content: space-between; }
.nav-burger span { display: block; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .26s ease, opacity .2s ease; }
.nav-burger.is-open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
body:has(.refbanner) .nav-burger span, body:has(.aq-hero) .nav-burger span, body:has(.sq-banner) .nav-burger span { background: var(--ink); }
.mnav { position: fixed; inset: 0; z-index: 90; background: rgba(8,31,45,.5); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }
.mnav[hidden] { display: none; }
.mnav-panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(86vw, 360px); overflow-y: auto; -webkit-overflow-scrolling: touch; background: #fff; padding: 78px 24px 34px; display: flex; flex-direction: column; gap: 26px; box-shadow: -18px 0 44px -20px rgba(8,31,45,.4); animation: mnav-in .26s cubic-bezier(.2,.8,.3,1) both; }
@keyframes mnav-in { from { transform: translateX(100%); } to { transform: none; } }
.mnav-sec { display: flex; flex-direction: column; }
.mnav-lb { font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--green-600); padding-bottom: 10px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.mnav-sec a { display: block; padding: 14px 2px; font-size: 16px; font-weight: 500; color: var(--ink); border-bottom: 1px solid var(--line-2); }
.mnav-sec a:hover, .mnav-sec a:active { color: var(--green-600); }
.mnav-cta { display: flex; align-items: center; justify-content: center; min-height: 52px; border-radius: 999px; background: var(--green); color: #fff; font-size: 16px; font-weight: 600; }
.mnav-cta:hover { color: #fff; background: var(--green-600); }
.mnav-tel { display: flex; align-items: center; justify-content: center; min-height: 48px; font-size: 17px; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }
html.mnav-lock, html.mnav-lock body { overflow: hidden; }
@media (max-width: 1100px) {
  .nav-burger { display: flex; }
  .nav { gap: 14px; }
  .nav-actions { gap: 10px; }
}
@media (max-width: 560px) {
  .nav-tel span { display: none; }
  .nav-tel { padding: 10px 14px; }
}

/* ============================================================
   FORM SUBMIT TOAST
   ============================================================ */
.form-toast { position: fixed; left: 50%; bottom: 96px; transform: translate(-50%, 14px); z-index: 200; display: flex; align-items: center; gap: 12px; max-width: min(92vw, 460px); padding: 15px 20px; border-radius: 14px; background: #0d3b2e; color: #fff; box-shadow: 0 22px 48px -18px rgba(8,31,45,.55); opacity: 0; pointer-events: none; transition: opacity .26s ease, transform .26s cubic-bezier(.2,.8,.3,1); }
.form-toast.is-on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.form-toast.is-err { background: #7f2222; }
.form-toast svg { flex: none; }
.form-toast b { display: block; font-size: 15px; font-weight: 700; }
.form-toast span { display: block; font-size: 13px; line-height: 1.5; color: rgba(255,255,255,.82); }