/* =============================================================
   GenEtyos Intelligence | 亘绎苏州智能科技有限公司
   Corporate site stylesheet
   Brand blue derived from logo artwork: #5C88DA
   ============================================================= */

:root {
  --bg:          #050A18;
  --bg-soft:     #081226;
  --bg-raised:   #0B1730;
  --panel:       rgba(255, 255, 255, .035);
  --panel-hover: rgba(122, 180, 255, .075);
  --line:        rgba(122, 180, 255, .15);
  --line-strong: rgba(122, 180, 255, .30);

  --brand:       #5C88DA;
  --brand-lit:   #7AB4FF;
  --cyan:        #28E0D0;
  --grad:        linear-gradient(110deg, #8FC0FF 0%, #5C88DA 42%, #28E0D0 100%);

  --text:        #EAF2FF;
  --muted:       #97AACB;
  --muted-2:     #647BA4;

  --maxw:        1220px;
  --radius:      16px;
  --ease:        cubic-bezier(.22, 1, .36, 1);
  --nav-h:       74px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
::selection { background: rgba(92, 136, 218, .45); color: #fff; }

:focus-visible {
  outline: 2px solid var(--brand-lit);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- shared layout ---------- */
.container {
  width: min(100% - 48px, var(--maxw));
  margin-inline: auto;
}

.section { position: relative; padding: 108px 0; }
.section + .section { border-top: 1px solid rgba(122, 180, 255, .08); }

.section--tint {
  background:
    radial-gradient(900px 460px at 85% 0%, rgba(92, 136, 218, .10), transparent 70%),
    linear-gradient(180deg, #060D1E 0%, #050A18 100%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--brand-lit);
  margin: 0 0 18px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.section-head { max-width: 760px; margin-bottom: 54px; }
.section-head--wide { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; }
.section-head--wide > div { max-width: 760px; }

h1, h2, h3, h4 { margin: 0; font-weight: 650; line-height: 1.25; letter-spacing: -.01em; }

.section-title {
  font-size: clamp(30px, 3.6vw, 46px);
  letter-spacing: -.025em;
}
.section-title .accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-desc { color: var(--muted); font-size: 16px; line-height: 1.9; margin: 18px 0 0; max-width: 720px; }

.mono {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--brand-lit);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: gap .25s var(--ease), color .25s;
}
.text-link:hover { gap: 15px; color: var(--cyan); }
.text-link .arrow { font-size: 17px; line-height: 1; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 26px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 650;
  border: 1px solid transparent;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, border-color .3s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: linear-gradient(110deg, #6EA6F5, #4C86DF);
  color: #04101F;
  box-shadow: 0 10px 30px rgba(76, 134, 223, .28);
}
.btn--primary:hover { box-shadow: 0 14px 40px rgba(76, 134, 223, .45); }
.btn--ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, .02);
}
.btn--ghost:hover { border-color: var(--brand-lit); background: rgba(122, 180, 255, .09); }
.btn .arrow { font-size: 17px; line-height: 1; }

/* ---------- header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .35s, border-color .35s, backdrop-filter .35s;
}
.site-header.is-scrolled {
  background: rgba(5, 10, 24, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}
.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand { display: inline-flex; align-items: center; gap: 13px; flex-shrink: 0; }
.brand__mark { width: 36px; height: 36px; object-fit: contain; }
.brand__name { display: flex; flex-direction: column; line-height: 1.15; }
.brand__cn { font-size: 17px; font-weight: 700; letter-spacing: .08em; color: #fff; }
.brand__en {
  font-size: 9px;
  letter-spacing: .19em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: 4px;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.nav-menu { display: flex; align-items: center; gap: 34px; list-style: none; margin: 0; padding: 0; }
.nav-menu a {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 0;
  transition: color .25s;
}
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  transition: width .3s var(--ease);
}
.nav-menu a:hover, .nav-menu a.is-active { color: #fff; }
.nav-menu a:hover::after, .nav-menu a.is-active::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-cta {
  min-height: 38px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background: rgba(122, 180, 255, .06);
  transition: background .25s, border-color .25s;
}
.nav-cta:hover { background: rgba(122, 180, 255, .16); border-color: var(--brand-lit); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 255, .03);
  padding: 0;
  place-items: center;
}
.nav-toggle span {
  display: block;
  width: 19px; height: 1.5px;
  background: var(--text);
  margin: 3px auto;
  transition: transform .3s var(--ease), opacity .25s;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 60px) 0 90px;
  overflow: hidden;
  background:
    radial-gradient(1100px 620px at 72% 42%, rgba(45, 96, 190, .26), transparent 68%),
    radial-gradient(700px 500px at 8% 92%, rgba(40, 224, 208, .08), transparent 70%),
    #050A18;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(122, 180, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 180, 255, .045) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(ellipse 80% 70% at 60% 50%, #000 25%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 50%, #000 25%, transparent 100%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 180px;
  background: linear-gradient(180deg, transparent, var(--bg));
  pointer-events: none;
}
#field-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .78; pointer-events: none; }

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 60px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  background: rgba(122, 180, 255, .06);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--brand-lit);
  margin-bottom: 30px;
}
.pulse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(40, 224, 208, .6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(40, 224, 208, .55); }
  70%  { box-shadow: 0 0 0 11px rgba(40, 224, 208, 0); }
  100% { box-shadow: 0 0 0 0 rgba(40, 224, 208, 0); }
}

.hero h1 {
  font-size: clamp(42px, 5.6vw, 76px);
  line-height: 1.14;
  letter-spacing: -.045em;
  font-weight: 700;
}
.hero h1 .line { display: block; }
.hero h1 .grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub-en {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-family: "SFMono-Regular", Consolas, monospace;
}
.hero__desc {
  margin: 26px 0 0;
  max-width: 540px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.95;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 38px; }

/* ---------- 品牌公理句 (v1.14) ---------- */
.hero__axiom {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin: 34px 0 0;
  max-width: 560px;
}
.hero__axiom-line {
  flex: 0 0 auto;
  width: 2px;
  height: 76px;
  margin-top: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--brand-lit), transparent);
  box-shadow: 0 0 14px rgba(40, 224, 208, .5);
  animation: axiom-glow 2.4s ease-in-out infinite;
}
.hero__axiom-text {
  margin: 0;
  font-size: clamp(17px, 1.9vw, 22px);
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--muted);
  font-weight: 400;
}
.axiom-hl {
  font-weight: 650;
  color: #EAF2FF;
  background: linear-gradient(120deg, #9CC6FF, #7AB4FF);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  text-shadow: 0 0 26px rgba(122, 180, 255, .35);
}
.axiom-hl--2 {
  background: linear-gradient(120deg, #5EE8D8, #28E0D0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 26px rgba(40, 224, 208, .35);
}
.hero__axiom-mark {
  position: absolute;
  right: -8px;
  bottom: -6px;
  font-family: "Cambria Math", "Times New Roman", serif;
  font-size: 34px;
  color: rgba(122, 180, 255, .28);
  animation: axiom-mark 3.4s ease-in-out infinite;
}
@keyframes axiom-glow {
  0%, 100% { opacity: .7; box-shadow: 0 0 10px rgba(40, 224, 208, .35); }
  50%      { opacity: 1;  box-shadow: 0 0 22px rgba(40, 224, 208, .7); }
}
@keyframes axiom-mark {
  0%, 100% { transform: translateY(0); opacity: .22; }
  50%      { transform: translateY(-6px); opacity: .5; }
}
@media (max-width: 600px) {
  .hero__axiom { gap: 14px; }
  .hero__axiom-line { height: 64px; }
  .hero__axiom-mark { right: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__axiom-line, .hero__axiom-mark { animation: none; }
}

/* physics engine orb */
.orb {
  position: relative;
  width: min(100%, 470px);
  aspect-ratio: 1;
  margin-inline: auto;
  display: grid;
  place-items: center;
}
.orb__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(122, 180, 255, .18);
}
.orb__ring--1 { inset: 2%;  border-style: dashed; animation: spin 60s linear infinite; }
.orb__ring--2 { inset: 12%; border-color: rgba(40, 224, 208, .22); animation: spin 42s linear infinite reverse; }
.orb__ring--3 { inset: 23%; border-color: rgba(122, 180, 255, .28); }
.orb__ring--4 { inset: 33%; border-style: dashed; border-color: rgba(122, 180, 255, .16); animation: spin 30s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.orb__glow {
  position: absolute;
  inset: 16%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92, 136, 218, .30), rgba(40, 224, 208, .05) 60%, transparent 72%);
  filter: blur(14px);
  animation: breathe 6s ease-in-out infinite;
}
@keyframes breathe { 50% { transform: scale(1.09); opacity: .72; } }

.orb__core {
  position: relative;
  width: 37%;
  z-index: 2;
  filter: drop-shadow(0 0 26px rgba(122, 180, 255, .55));
  animation: float 7s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-12px); } }

.orb__sat {
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}
.orb__sat--a { top: 2%; left: 50%; animation: twinkle 3.4s ease-in-out infinite; }
.orb__sat--b { bottom: 12%; left: 12%; background: var(--brand-lit); box-shadow: 0 0 14px var(--brand-lit); animation: twinkle 4.6s ease-in-out infinite .8s; }
@keyframes twinkle {
  0%, 100% { opacity: .45; transform: scale(.8); }
  50%      { opacity: 1;   transform: scale(1.3); }
}

.orb__tag {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  white-space: nowrap;
}
.orb__tag::before { content: ""; width: 16px; height: 1px; background: var(--line-strong); }
.orb__tag--1 { top: 8%;  right: -4%; }
.orb__tag--2 { top: 46%; right: -12%; }
.orb__tag--3 { bottom: 12%; left: -8%; }
.orb__tag--4 { top: 18%; left: -6%; }

.hero__scroll {
  position: absolute;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.hero__scroll i {
  display: block;
  width: 1px; height: 34px;
  background: linear-gradient(var(--brand-lit), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line { 50% { transform: scaleY(.5); opacity: .4; transform-origin: top; } }

/* ---------- 公式背景层 (v1.11) ---------- */
.hero__formulas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.fm {
  position: absolute;
  font-family: "Cambria Math", "Times New Roman", "STIX Two Math", Georgia, serif;
  font-style: italic;
  font-weight: 400;
  color: rgba(122, 180, 255, .24);
  text-shadow: 0 0 18px rgba(122, 180, 255, .16);
  white-space: nowrap;
  animation: fm-float var(--dur, 12s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
  will-change: transform, opacity;
}
.fm--1  { top: 16%; left: 4%;  font-size: 26px; --dur: 11s; }
.fm--2  { top: 32%; left: 13%; font-size: 20px; --dur: 14s; --delay: -4s; }
.fm--3  { top: 12%; left: 40%; font-size: 18px; --dur: 10s; --delay: -3s; color: rgba(40, 224, 208, .20); }
.fm--4  { top: 26%; left: 62%; font-size: 22px; --dur: 16s; --delay: -7s; }
.fm--5  { top: 42%; left: 78%; font-size: 20px; --dur: 12s; --delay: -9s; }
.fm--6  { top: 58%; left: 8%;  font-size: 19px; --dur: 13s; --delay: -5s; color: rgba(40, 224, 208, .20); }
.fm--7  { top: 66%; left: 30%; font-size: 24px; --dur: 11s; --delay: -2s; }
.fm--8  { top: 76%; left: 55%; font-size: 20px; --dur: 15s; --delay: -6s; }
.fm--9  { top: 60%; left: 70%; font-size: 18px; --dur: 12s; --delay: -8s; color: rgba(40, 224, 208, .18); }
.fm--10 { top: 82%; left: 20%; font-size: 22px; --dur: 14s; --delay: -10s; }

@keyframes fm-float {
  0%, 100% { transform: translateY(0)    translateX(0)    rotate(-1deg); opacity: .45; }
  25%      { transform: translateY(-34px) translateX(22px) rotate(1.5deg); opacity: 1; }
  50%      { transform: translateY(-12px) translateX(-16px) rotate(-.5deg); opacity: .6; }
  75%      { transform: translateY(-46px) translateX(14px) rotate(2deg); opacity: .95; }
}

@media (max-width: 860px) {
  .hero__formulas { opacity: .75; }
  .fm { font-size: 15px !important; }
}
@media (prefers-reduced-motion: reduce) {
  .fm { animation-duration: 40s; opacity: .5; }
}

/* ---------- stats strip ---------- */
.fact-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(8, 18, 38, .7); }
.fact-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.fact {
  padding: 30px 26px;
  border-right: 1px solid var(--line);
  position: relative;
}
.fact:last-child { border-right: 0; }
.fact__k {
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--brand-lit);
  font-family: "SFMono-Regular", Consolas, monospace;
  margin-bottom: 8px;
}
.fact__v { font-size: 17px; font-weight: 650; color: #fff; letter-spacing: .01em; }
.fact__s { font-size: 12px; color: var(--muted-2); margin-top: 4px; }

/* ---------- cards ---------- */
.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 32px;
  overflow: hidden;
  transition: border-color .35s, background .35s, transform .45s var(--ease), box-shadow .45s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 200px at var(--mx, 50%) var(--my, 0%), rgba(122, 180, 255, .13), transparent 70%);
  opacity: 0;
  transition: opacity .4s;
  pointer-events: none;
}
.card:hover {
  border-color: var(--line-strong);
  background: var(--panel-hover);
  transform: translateY(-5px);
  box-shadow: 0 22px 50px rgba(0, 0, 0, .35);
}
.card:hover::before { opacity: 1; }
.card > * { position: relative; }

.card__icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: rgba(92, 136, 218, .10);
  color: var(--brand-lit);
  margin-bottom: 24px;
}
.card__icon svg { width: 24px; height: 24px; }
.card__tag {
  font-size: 10px;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
  margin-bottom: 12px;
}
.card h3 { font-size: 20px; margin-bottom: 10px; letter-spacing: 0; }
.card h3 small { display: block; font-size: 11px; font-weight: 500; letter-spacing: .1em; color: var(--muted-2); margin-top: 7px; text-transform: uppercase; font-family: "SFMono-Regular", Consolas, monospace; }
.card p { color: var(--muted); font-size: 14px; line-height: 1.9; margin: 0 0 20px; }
.card__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; }
.card__source { font-size: 11px; color: var(--muted-2); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.product-card { display: flex; flex-direction: column; min-height: 320px; }
.product-card--wide { grid-column: span 2; }
.product-card--wide .card__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }

.industry > .badge-featured {
  position: absolute; top: 20px; right: 20px;
  z-index: 2;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 10px;
  letter-spacing: .12em;
  color: #04101F;
  background: var(--cyan);
  font-weight: 700;
}

/* industry tiles */
.industry {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(122, 180, 255, .055), rgba(255, 255, 255, .012));
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .35s, box-shadow .45s;
}
.industry::after {
  content: "";
  position: absolute;
  right: -46px; bottom: -60px;
  width: 170px; height: 170px;
  border-radius: 50%;
  border: 1px solid rgba(122, 180, 255, .14);
  box-shadow: 0 0 0 26px rgba(122, 180, 255, .035), 0 0 0 54px rgba(122, 180, 255, .022);
  transition: transform .7s var(--ease);
}
.industry:hover { transform: translateY(-5px); border-color: var(--line-strong); box-shadow: 0 20px 46px rgba(0, 0, 0, .32); }
.industry:hover::after { transform: scale(1.18); }
.industry > * { position: relative; z-index: 1; }
.industry__no { font-size: 11px; letter-spacing: .18em; color: var(--brand-lit); font-family: "SFMono-Regular", Consolas, monospace; }
.industry__icon { width: 34px; height: 34px; color: var(--brand-lit); margin: 22px 0 16px; }
.industry__icon svg { width: 100%; height: 100%; }
.industry h3 { font-size: 19px; margin-bottom: 10px; }
.industry p { font-size: 13px; color: var(--muted); line-height: 1.85; margin: 0; }
.industry--hero {
  grid-column: span 2;
  background: linear-gradient(120deg, rgba(92, 136, 218, .19), rgba(40, 224, 208, .07));
  border-color: rgba(122, 180, 255, .34);
}
.industry--hero h3 { font-size: 26px; }
.industry--hero p { font-size: 14px; max-width: 520px; }
.industry--hero .industry__icon { width: 44px; height: 44px; color: var(--cyan); }

/* ---------- lighthouse cases (v1.5) ---------- */
.lighthouse-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.lighthouse {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 320px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(122, 180, 255, .06), rgba(255, 255, 255, .012));
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .35s, box-shadow .45s;
}
.lighthouse::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(480px 200px at var(--mx, 50%) var(--my, 0%), rgba(122, 180, 255, .14), transparent 70%);
  opacity: 0;
  transition: opacity .4s;
  pointer-events: none;
}
.lighthouse:hover { transform: translateY(-5px); border-color: var(--line-strong); box-shadow: 0 22px 50px rgba(0, 0, 0, .35); }
.lighthouse:hover::before { opacity: 1; }
.lighthouse > * { position: relative; }
.lighthouse__head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
  margin-bottom: 18px;
}
.lighthouse__tag {
  font-size: 10px; letter-spacing: .17em; text-transform: uppercase;
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
}
.lighthouse__logo {
  flex: 0 0 auto;
  display: grid; place-items: center;
  min-width: 44px; height: 44px; padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(92, 136, 218, .10);
  color: var(--brand-lit);
  font-size: 15px; font-weight: 700; letter-spacing: .02em;
}
.lighthouse h3 { font-size: 20px; margin-bottom: 10px; letter-spacing: 0; }
.lighthouse p { color: var(--muted); font-size: 13px; line-height: 1.85; margin: 0 0 18px; }
.lighthouse__metrics {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto;
}
.lighthouse__metrics span {
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid rgba(40, 224, 208, .25);
  background: rgba(40, 224, 208, .06);
  font-size: 12px; color: #BFF3EC;
}
.lighthouse--empty {
  border-style: dashed;
  background: rgba(255, 255, 255, .015);
  align-items: center; justify-content: center;
  text-align: center;
  cursor: default;
}
.lighthouse--empty:hover { transform: none; box-shadow: none; border-color: var(--line); }
.lighthouse--empty .lighthouse__plus {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border: 1px dashed var(--line-strong);
  border-radius: 50%;
  color: var(--muted-2);
  font-size: 24px; font-weight: 300;
  margin-bottom: 16px;
}
.lighthouse--empty h3 { color: var(--muted-2); font-size: 16px; }
.lighthouse--empty p { color: var(--muted-2); font-size: 12px; margin: 0; }

@media (max-width: 1080px) {
  .lighthouse-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .lighthouse-grid { grid-template-columns: 1fr; }
}

/* ---------- technology route / loop ---------- */
.tech-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: center; }
.tech-points { display: grid; gap: 22px; margin-top: 32px; }
.tech-point { display: flex; gap: 16px; align-items: flex-start; }
.tech-point__n {
  flex: 0 0 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--brand-lit);
  font-size: 12px;
  font-family: "SFMono-Regular", Consolas, monospace;
}
.tech-point h4 { font-size: 15px; margin-bottom: 4px; }
.tech-point p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.8; }

.loop {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: radial-gradient(600px 320px at 50% 0%, rgba(92, 136, 218, .13), transparent 70%), rgba(255, 255, 255, .018);
  padding: 38px;
  overflow: hidden;
}
.loop::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(122, 180, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(122, 180, 255, .04) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}
.loop__head { position: relative; display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; gap: 20px; }
.loop__head span { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted-2); font-family: "SFMono-Regular", Consolas, monospace; }
.loop__head b { font-size: 13px; color: var(--brand-lit); font-weight: 600; }
.loop__steps { position: relative; display: grid; gap: 12px; }
.loop__step {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 15px 20px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(6, 14, 32, .72);
  transition: border-color .3s, transform .3s var(--ease);
}
.loop__step:hover { border-color: var(--line-strong); transform: translateX(5px); }
.loop__step::after {
  content: "";
  position: absolute;
  left: 30px; bottom: -13px;
  width: 1px; height: 13px;
  background: linear-gradient(var(--brand-lit), rgba(40, 224, 208, .3));
}
.loop__step:last-child::after { display: none; }
.loop__step__n {
  flex: 0 0 22px;
  font-size: 10px; letter-spacing: .1em;
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
}
.loop__step__t { font-size: 15px; font-weight: 600; }
.loop__step__d { font-size: 12px; color: var(--muted-2); margin-left: auto; text-align: right; }
.loop__note {
  position: relative;
  margin-top: 24px;
  padding: 14px 18px;
  border-left: 2px solid var(--cyan);
  background: rgba(40, 224, 208, .05);
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.8;
}
.loop__note strong { color: var(--text); font-weight: 600; }

/* ---------- shareholder banner ---------- */
.shareholder {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 34px 40px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(110deg, rgba(92, 136, 218, .14), rgba(40, 224, 208, .04));
}
.shareholder__label { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--brand-lit); font-family: "SFMono-Regular", Consolas, monospace; margin-bottom: 10px; }
.shareholder h3 { font-size: 22px; margin-bottom: 8px; }
.shareholder p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; max-width: 760px; }

/* ---------- 中试服务入口卡（v1.10） ---------- */
.service-entry {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 34px 40px;
  margin-top: 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(110deg, rgba(92, 136, 218, .14), rgba(40, 224, 208, .04));
  transition: transform .35s var(--ease), border-color .3s, box-shadow .35s, background .3s;
}
.service-entry:hover {
  transform: translateY(-3px);
  border-color: var(--brand-lit);
  background: linear-gradient(110deg, rgba(92, 136, 218, .20), rgba(40, 224, 208, .07));
  box-shadow: 0 18px 44px rgba(0, 0, 0, .30);
}
.service-entry__label {
  font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--brand-lit); font-family: "SFMono-Regular", Consolas, monospace; margin-bottom: 10px;
}
.service-entry h3 { font-size: 22px; margin-bottom: 8px; letter-spacing: 0; }
.service-entry p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; max-width: 760px; }
@media (max-width: 600px) {
  .service-entry { grid-template-columns: 1fr; gap: 20px; padding: 26px 24px; }
  .service-entry .btn { width: 100%; }
}

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.about-copy p { color: var(--muted); line-height: 2; font-size: 15px; margin: 0 0 18px; }
.about-copy strong { color: var(--text); font-weight: 600; }
.about-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.about-meta__item { background: var(--bg-soft); padding: 26px; }
.about-meta__k { font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--brand-lit); font-family: "SFMono-Regular", Consolas, monospace; margin-bottom: 10px; }
.about-meta__v { font-size: 15px; color: var(--text); font-weight: 600; line-height: 1.6; }
.about-meta__v span { display: block; font-size: 12px; color: var(--muted-2); font-weight: 400; margin-top: 5px; }

.value-list { display: grid; gap: 14px; margin-top: 26px; }
.value-item { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.value-item__i { flex: 0 0 30px; height: 30px; display: grid; place-items: center; border-radius: 8px; background: rgba(92, 136, 218, .14); color: var(--brand-lit); font-size: 13px; font-weight: 700; }
.value-item h4 { font-size: 15px; margin-bottom: 3px; }
.value-item p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.75; }

/* ---------- news ---------- */
.news-list { display: grid; gap: 14px; }
.news-item {
  display: grid;
  grid-template-columns: 132px 1fr auto;
  align-items: center;
  gap: 30px;
  padding: 26px 30px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  transition: border-color .3s, background .3s, transform .4s var(--ease);
}
.news-item:hover { border-color: var(--line-strong); background: var(--panel-hover); transform: translateX(5px); }
.news-item__date { border-right: 1px solid var(--line); padding-right: 26px; }
.news-item__d { font-size: 25px; font-weight: 700; color: var(--brand-lit); line-height: 1; font-family: "SFMono-Regular", Consolas, monospace; }
.news-item__ym { font-size: 11px; color: var(--muted-2); letter-spacing: .12em; margin-top: 8px; font-family: "SFMono-Regular", Consolas, monospace; }
.news-item__body h3 { font-size: 18px; margin-bottom: 8px; transition: color .25s; }
.news-item:hover .news-item__body h3 { color: var(--brand-lit); }
.news-item__body p { font-size: 13px; color: var(--muted); margin: 0; line-height: 1.8; max-width: 720px; }
.news-item__meta { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center;
  padding: 3px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--brand-lit);
  background: rgba(122, 180, 255, .07);
}
.chip--cyan { color: var(--cyan); border-color: rgba(40, 224, 208, .3); background: rgba(40, 224, 208, .06); }
.chip--pin { color: #04101F; background: var(--cyan); border-color: var(--cyan); font-weight: 700; }
.chip--src { color: var(--muted-2); border-color: var(--line); background: transparent; }
.news-item__go { color: var(--muted-2); font-size: 22px; transition: color .25s, transform .25s; }
.news-item:hover .news-item__go { color: var(--cyan); transform: translateX(4px); }

/* news page */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 90px) 0 70px;
  background:
    radial-gradient(800px 380px at 78% 10%, rgba(92, 136, 218, .22), transparent 70%),
    linear-gradient(180deg, #071022, var(--bg));
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(122, 180, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(122, 180, 255, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, #000, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent);
  pointer-events: none;
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(34px, 4.4vw, 56px); letter-spacing: -.03em; }
.page-hero p { color: var(--muted); margin: 16px 0 0; max-width: 620px; }
.breadcrumb { font-size: 12px; color: var(--muted-2); letter-spacing: .1em; margin-bottom: 24px; }
.breadcrumb a:hover { color: var(--brand-lit); }
.breadcrumb span { margin: 0 9px; }

.news-layout { display: grid; grid-template-columns: 1fr 280px; gap: 48px; align-items: start; }
.news-filter { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.filter-btn {
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  transition: all .25s;
}
.filter-btn:hover { color: #fff; border-color: var(--line-strong); }
.filter-btn.is-active { color: #04101F; background: var(--brand-lit); border-color: var(--brand-lit); font-weight: 650; }

.side-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 26px; position: sticky; top: calc(var(--nav-h) + 24px); }
.side-card h4 { font-size: 15px; margin-bottom: 14px; }
.side-card p { font-size: 13px; color: var(--muted); line-height: 1.9; margin: 0 0 18px; }
.side-card__line { height: 1px; background: var(--line); margin: 18px 0; }
.side-card__row { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; padding: 7px 0; }
.side-card__row span:first-child { color: var(--muted-2); }
.side-card__row span:last-child { color: var(--text); text-align: right; }

.article {
  max-width: 820px;
}
.article__meta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 26px; }
.article h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.35; margin-bottom: 20px; }
.article__lead { font-size: 17px; color: var(--text); line-height: 2; padding-left: 20px; border-left: 2px solid var(--cyan); margin: 0 0 32px; }
.article h3 { font-size: 20px; margin: 36px 0 14px; }
.article p { color: var(--muted); line-height: 2.05; font-size: 15px; margin: 0 0 18px; }
.article ul { color: var(--muted); line-height: 2; padding-left: 22px; margin: 0 0 24px; }
.article li { margin-bottom: 8px; }
.article__box { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); padding: 26px 30px; margin: 32px 0; }
.article__box h4 { font-size: 15px; color: var(--brand-lit); margin-bottom: 12px; }
.article__box p:last-child { margin-bottom: 0; }
.article__foot { margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

.notice {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 16px 20px;
  border: 1px dashed rgba(122, 180, 255, .35);
  border-radius: 12px;
  background: rgba(122, 180, 255, .045);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.85;
}
.notice__i { flex: 0 0 auto; color: var(--brand-lit); font-weight: 700; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info h2 { font-size: clamp(30px, 3.6vw, 44px); }
.contact-info p { color: var(--muted); line-height: 1.95; margin: 18px 0 0; }
.contact-rows { margin-top: 36px; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.contact-row { display: grid; grid-template-columns: 110px 1fr; gap: 20px; padding: 20px 24px; background: var(--bg-soft); }
.contact-row__k { font-size: 12px; color: var(--muted-2); letter-spacing: .08em; }
.contact-row__v { font-size: 14px; color: var(--text); }
.contact-row__v em { font-style: normal; color: var(--brand-lit); font-size: 12px; }

.form-card { border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(160deg, rgba(122, 180, 255, .06), rgba(255, 255, 255, .012)); padding: 34px; }
.form-card h3 { font-size: 20px; margin-bottom: 6px; }
.form-card > p { font-size: 13px; color: var(--muted); margin: 0 0 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 12px; color: var(--muted); letter-spacing: .04em; }
.field label i { color: var(--cyan); font-style: normal; }
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(4, 10, 24, .7);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .25s, box-shadow .25s;
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field input:focus, .field textarea:focus { border-color: var(--brand-lit); box-shadow: 0 0 0 3px rgba(122, 180, 255, .12); }
.field textarea { min-height: 110px; resize: vertical; }
.form-note { font-size: 11.5px; color: var(--muted-2); margin: 16px 0 0; line-height: 1.8; }
.form-status { font-size: 13px; margin-top: 14px; min-height: 20px; color: var(--cyan); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: #040814; padding: 66px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 50px; }
.footer-brand .brand { margin-bottom: 20px; }
.footer-brand p { font-size: 13px; color: var(--muted-2); line-height: 1.9; margin: 0; max-width: 300px; }
.footer-col h4 { font-size: 13px; letter-spacing: .1em; color: var(--text); margin-bottom: 18px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer-col a, .footer-col li { font-size: 13px; color: var(--muted-2); transition: color .25s; }
.footer-col a:hover { color: var(--brand-lit); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted-2);
}
.footer-bottom a:hover { color: var(--brand-lit); }

/* ---------- scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .09s; }
.reveal[data-delay="2"] { transition-delay: .18s; }
.reveal[data-delay="3"] { transition-delay: .27s; }
.reveal[data-delay="4"] { transition-delay: .36s; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr .8fr; gap: 30px; }
  .orb { width: min(100%, 380px); }
  .orb__tag--2 { right: -4%; }
  .tech-layout { grid-template-columns: 1fr; gap: 44px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid > :last-child { grid-column: 1 / -1; }
  .news-layout { grid-template-columns: 1fr; }
  .side-card { position: static; }
}

@media (max-width: 860px) {
  .nav-toggle { display: grid; }
  .nav-menu {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 26px;
    background: rgba(5, 10, 24, .97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s, transform .3s var(--ease);
  }
  body.nav-open .nav-menu { opacity: 1; transform: none; pointer-events: auto; }
  .nav-menu li { border-bottom: 1px solid rgba(122, 180, 255, .08); }
  .nav-menu a { display: block; padding: 15px 4px; font-size: 15px; }
  .nav-menu a::after { display: none; }

  .hero { min-height: auto; padding: calc(var(--nav-h) + 70px) 0 90px; }
  .hero__inner { grid-template-columns: 1fr; gap: 54px; }
  .orb { width: min(78%, 360px); }
  .hero__scroll { display: none; }
  .section { padding: 80px 0; }
  .fact-grid { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .grid-3, .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .product-card--wide { grid-column: span 2; }
  .industry--hero { grid-column: span 2; }
  .shareholder { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 100px 1fr; gap: 20px; }
  .news-item__go { display: none; }
  .section-head--wide { gap: 20px; }
}

@media (max-width: 600px) {
  .container { width: min(100% - 32px, var(--maxw)); }
  .nav-cta { display: none; }
  .brand__cn { font-size: 15px; }
  .brand__mark { width: 32px; height: 32px; }
  .hero h1 { font-size: clamp(36px, 10vw, 52px); }
  .hero__desc { font-size: 14.5px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .orb { width: min(86%, 300px); }
  .orb__tag { font-size: 8px; }
  .orb__tag--1 { right: 0; } .orb__tag--2 { right: -2%; } .orb__tag--3 { left: 0; } .orb__tag--4 { left: 0; }
  .section { padding: 66px 0; }
  .section-title { font-size: 28px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .product-card--wide { grid-column: auto; }
  .product-card--wide .card__inner { grid-template-columns: 1fr; gap: 18px; }
  .industry--hero { grid-column: auto; }
  .industry--hero h3 { font-size: 22px; }
  .card { padding: 26px; }
  .loop { padding: 24px 18px; }
  .loop__step__d { display: none; }
  .about-meta { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; gap: 14px; padding: 22px; }
  .news-item__date { border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 12px; display: flex; align-items: center; gap: 12px; }
  .news-item__d { font-size: 20px; }
  .news-item__ym { margin-top: 0; }
  .contact-row { grid-template-columns: 1fr; gap: 4px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .footer-grid > :last-child { grid-column: 1 / -1; }
  .shareholder { padding: 26px 22px; }
  .article__lead { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  /* 公式为纯装饰背景，保留慢速漂移（豁免全局降级） */
  .hero__formulas .fm {
    animation-duration: 40s !important;
    animation-iteration-count: infinite !important;
    opacity: .5;
  }
}

/* ---------- 404 ---------- */
.error-hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: calc(var(--nav-h) + 80px) 0 100px;
}
.error-hero .container { max-width: 760px; }
.error-code {
  font-size: clamp(110px, 17vw, 190px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -.07em;
  font-family: "SFMono-Regular", Consolas, monospace;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: .92;
  margin-bottom: 4px;
}
.error-hero .eyebrow { justify-content: center; }
.error-hero h1 { font-size: clamp(26px, 3.4vw, 40px); margin: 8px 0 16px; }
.error-hero p:not(.eyebrow) { color: var(--muted); font-size: 15px; max-width: 560px; margin: 0 auto; }
.error-hero .hero__actions { justify-content: center; margin-top: 36px; }

/* ---------- 品牌主视觉 / 宣传册内容组件 (v1.1) ---------- */
.hero__horizon {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 56%;
  z-index: 1;
  background: url("../img/hero-horizon.jpg") center bottom / cover no-repeat;
  opacity: .55;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 36%, #000 76%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 36%, #000 76%, transparent 100%);
  pointer-events: none;
}
.hero h1.hero__title--slogan { font-size: clamp(32px, 4vw, 58px); letter-spacing: -.03em; }
.hero__motto {
  display: inline-flex; align-items: center; gap: 12px;
  margin-top: 16px;
  font-size: 13px; letter-spacing: .26em; color: var(--muted);
}
.hero__motto::before { content: ""; width: 32px; height: 1px; background: var(--brand-lit); }

.pills { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.pills span {
  padding: 7px 14px;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 12px; color: var(--muted);
}
.pills--good span {
  border-color: rgba(40, 224, 208, .28);
  color: #BFF3EC;
  background: rgba(40, 224, 208, .06);
}

.shot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 36px; }
.shot {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raised);
  overflow: hidden;
}
.shot img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; }
.shot--warm img { filter: saturate(1.06); }
.shot__cap {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px; color: var(--muted-2);
}

.metric {
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
  margin-top: 26px; padding: 20px 24px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: linear-gradient(100deg, rgba(92, 136, 218, .14), rgba(40, 224, 208, .05));
}
.metric b { font-size: clamp(26px, 3vw, 36px); font-weight: 700; color: var(--brand-lit); letter-spacing: -.02em; }
.metric span { font-size: 13px; color: var(--muted); }

.chain {
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(8, 18, 38, .7);
}
.chain .fact-grid { grid-template-columns: repeat(4, 1fr); }
.chain .fact:last-child { border-right: 0; }

@media (max-width: 860px) {
  .shot-grid { grid-template-columns: 1fr; }
  .chain .fact-grid { grid-template-columns: repeat(2, 1fr); }
  .chain .fact:nth-child(2) { border-right: 0; }
  .chain .fact:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 600px) {
  .hero__horizon { height: 42%; opacity: .42; }
  .chain .fact-grid { grid-template-columns: 1fr; }
  .chain .fact { border-right: 0; border-bottom: 1px solid var(--line); }
  .chain .fact:last-child { border-bottom: 0; }
}

/* ---------- 视频组件 (v1.3) ---------- */
.shot video,
.video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #061224;
}

/* 自动循环的案例演示视频：去掉默认播放控件，hover 浮现轻提示 */
.shot video::-webkit-media-controls { display: none !important; }

.video-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raised);
  overflow: hidden;
}
.video-frame video { width: 100%; }
.video-frame .video-cap {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px; color: var(--muted-2);
}
.video-frame .video-cap .live-dot {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11px; letter-spacing: .14em; color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
}
.video-frame .video-cap .live-dot::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 9px var(--cyan);
  animation: live-pulse 2.2s ease-in-out infinite;
}
@keyframes live-pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* 点击播放的大视频：海报 + 中央播放按钮 */
.video-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raised);
  overflow: hidden;
  cursor: pointer;
}
.video-card video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; }
.video-card .video-play {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 74px; height: 74px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(5, 10, 24, .55);
  border: 1px solid rgba(122, 180, 255, .45);
  backdrop-filter: blur(4px);
  color: #EAF2FF;
  transition: transform .35s var(--ease), background .3s, border-color .3s;
  pointer-events: none;
}
.video-card .video-play svg { width: 26px; height: 26px; margin-left: 3px; }
.video-card:hover .video-play {
  transform: translate(-50%, -50%) scale(1.08);
  background: rgba(76, 134, 223, .4);
  border-color: var(--brand-lit);
}
.video-card.is-playing .video-play { opacity: 0; transition: opacity .3s; }
.video-card .video-cap {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px; color: var(--muted-2);
}
.video-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }

@media (max-width: 860px) {
  .video-duo { grid-template-columns: 1fr; }
  .video-card .video-play { width: 58px; height: 58px; }
}

/* ---------- 地图 (v1.4) ---------- */
.map-card {
  margin-top: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-raised);
}
.map-card iframe {
  display: block;
  width: 100%;
  height: 380px;
  border: 0;
  filter: grayscale(.15) contrast(1.02);
}
.map-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
}
.map-card__addr { font-size: 13px; color: var(--muted); line-height: 1.7; }
.map-card__addr b { color: var(--text); font-weight: 600; }
.map-nav { display: flex; gap: 10px; flex-wrap: wrap; }
.map-nav a {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--brand-lit);
  font-size: 13px; font-weight: 600;
  transition: border-color .25s, background .25s, color .25s, transform .25s var(--ease);
}
.map-nav a:hover { border-color: var(--brand-lit); background: var(--panel-hover); color: #fff; transform: translateY(-2px); }
@media (max-width: 600px) {
  .map-card iframe { height: 300px; }
  .map-card__foot { flex-direction: column; align-items: flex-start; }
}

/* ---------- 位置视觉卡（替代第三方地图 iframe，v1.12） ---------- */
.map-visual {
  position: relative;
  height: 320px;
  overflow: hidden;
  background:
    radial-gradient(600px 300px at 50% 42%, rgba(45, 96, 190, .28), transparent 70%),
    linear-gradient(180deg, #081226, #050A18);
}
.map-visual__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(122, 180, 255, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 180, 255, .08) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 70% 65% at 50% 45%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 65% at 50% 45%, #000 30%, transparent 100%);
}
.map-visual__pin {
  position: absolute; left: 50%; top: 44%;
  transform: translate(-50%, -50%);
  width: 0; height: 0;
}
.map-visual__pin-dot {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 22px var(--cyan), 0 0 60px rgba(40, 224, 208, .5);
}
.map-visual__pin-ring,
.map-visual__pin-ring::after {
  content: "";
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(40, 224, 208, .55);
  animation: pin-pulse 2.6s ease-out infinite;
}
.map-visual__pin-ring::after { animation-delay: 1.3s; }
@keyframes pin-pulse {
  0%   { transform: translate(-50%,-50%) scale(1);   opacity: .9; }
  100% { transform: translate(-50%,-50%) scale(14);  opacity: 0; }
}
.map-visual__coord {
  position: absolute; left: 50%; top: 60%;
  transform: translateX(-50%);
  font-size: 12px; letter-spacing: .18em;
  color: var(--muted-2);
}
.map-visual__label {
  position: absolute; left: 50%; top: 27%;
  transform: translateX(-50%);
  padding: 8px 18px;
  border: 1px solid rgba(122, 180, 255, .35);
  border-radius: 100px;
  background: rgba(5, 10, 24, .6);
  backdrop-filter: blur(4px);
  color: var(--text);
  font-size: 14px; font-weight: 600;
  letter-spacing: .06em;
  white-space: nowrap;
}
@media (max-width: 600px) {
  .map-visual { height: 240px; }
}
@media (prefers-reduced-motion: reduce) {
  .map-visual__pin-ring, .map-visual__pin-ring::after { animation: none; opacity: .35; }
}