:root {
  --ink: #0a1421;
  --ink-soft: #334255;
  --muted: #667387;
  --paper: #f4f2eb;
  --paper-2: #ece9df;
  --white: #ffffff;
  --line: rgba(10, 20, 33, 0.13);
  --dark: #07111d;
  --dark-2: #0c1b2b;
  --cyan: #19d3c5;
  --cyan-dark: #087f79;
  --lime: #c8f04a;
  --orange: #ff8a5c;
  --radius-sm: 12px;
  --radius: 22px;
  --radius-lg: 34px;
  --shadow: 0 24px 70px rgba(7, 17, 29, 0.12);
  --shell: min(1180px, calc(100vw - 48px));
  --font: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.16; letter-spacing: -0.035em; }
h1 { font-size: clamp(2.7rem, 5.2vw, 5.15rem); margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); margin-bottom: 22px; }
h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); margin-bottom: 12px; }
p { color: var(--ink-soft); }
ul { margin-top: 0; }
::selection { background: var(--lime); color: var(--dark); }

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 1000;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--lime);
  color: var(--dark);
  font-weight: 700;
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

.shell { width: var(--shell); margin-inline: auto; }
.section { padding: 104px 0; }
.section-sm { padding: 72px 0; }
.section-dark { color: var(--white); background: var(--dark); }
.section-dark p { color: #bdc8d4; }
.section-white { background: var(--white); }
.section-tint { background: var(--paper-2); }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, .56fr);
  gap: 56px;
  align-items: end;
  margin-bottom: 52px;
}
.section-head > p { max-width: 620px; margin: 0; }
.section-kicker, .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--cyan-dark);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.section-kicker::before, .eyebrow::before {
  width: 24px;
  height: 2px;
  background: currentColor;
  content: "";
}
.section-dark .section-kicker, .hero .eyebrow { color: var(--cyan); }
.lead { max-width: 780px; color: var(--ink-soft); font-size: clamp(1.05rem, 1.6vw, 1.28rem); }
.section-dark .lead { color: #ced7e1; }
.micro { color: var(--muted); font-size: .82rem; }
.overline { color: var(--muted); font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }

/* Header */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  background: rgba(7, 17, 29, .94);
  color: var(--white);
  backdrop-filter: blur(18px);
}
.header-shell {
  width: min(1380px, calc(100vw - 40px));
  min-height: 76px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--white);
  text-decoration: none;
}
.brand-mark {
  position: relative;
  width: 35px;
  height: 35px;
  border: 2px solid var(--cyan);
  border-radius: 9px 2px 9px 2px;
  background:
    linear-gradient(90deg, transparent 48%, rgba(25, 211, 197, .35) 50%, transparent 52%),
    linear-gradient(transparent 48%, rgba(25, 211, 197, .35) 50%, transparent 52%);
}
.brand-mark::after {
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: -15px -15px 0 -2px var(--cyan);
  content: "";
}
.brand-name { display: grid; line-height: 1; }
.brand-name strong { font-size: 1.12rem; letter-spacing: .12em; }
.brand-name small { margin-top: 5px; color: #9cabb9; font-size: .58rem; letter-spacing: .16em; }
.main-nav { margin-left: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 10px;
  border-radius: 9px;
  color: #c6d0db;
  font-size: .86rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease;
}
.nav-link:hover, .nav-link:focus-visible { color: var(--white); background: rgba(255,255,255,.07); }
.nav-link[aria-current="page"] { color: var(--lime); }
.nav-link[aria-current="page"]::after {
  position: absolute;
  right: 10px;
  bottom: 3px;
  left: 10px;
  height: 2px;
  background: var(--lime);
  content: "";
}
.header-actions { display: flex; align-items: center; gap: 9px; }
.lang-switch {
  min-width: 52px;
  min-height: 42px;
  padding: 0 10px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 9px;
  color: #c6d0db;
  background: transparent;
  cursor: pointer;
}
.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}
.menu-button span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
  transition: transform .2s ease, opacity .2s ease;
}
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(7px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-7px) rotate(-45deg); }

/* Buttons */
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--dark);
  background: var(--lime);
  font-size: .94rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button::after { content: "↗"; font-size: 1.06em; }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(200,240,74,.2); }
.button-secondary { border-color: rgba(255,255,255,.25); color: var(--white); background: transparent; }
.button-secondary::after { content: "↓"; }
.button-ink { color: var(--white); background: var(--dark); }
.button-small { min-height: 42px; padding-inline: 17px; font-size: .82rem; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}
.text-link::after { content: "→"; }
.section-dark .text-link { color: var(--white); }

/* Hero */
.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 76% 20%, rgba(25, 211, 197, .16), transparent 28%),
    radial-gradient(circle at 15% 95%, rgba(200, 240, 74, .1), transparent 32%),
    var(--dark);
}
.hero::before {
  position: absolute;
  inset: 0;
  opacity: .17;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to right, transparent, #000 35%, #000);
  content: "";
}
.hero-shell {
  position: relative;
  z-index: 1;
  width: var(--shell);
  min-height: 720px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(380px, .88fr);
  gap: 72px;
  align-items: center;
  padding: 92px 0 96px;
}
.hero-copy { max-width: 760px; }
.hero h1 { max-width: 900px; }
.hero .lead { max-width: 690px; color: #c6d1dc; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-note { margin: 25px 0 0; color: #8494a5; font-size: .82rem; }
.hero-visual { position: relative; min-height: 470px; }
.identity-stage {
  position: absolute;
  inset: 24px 0 0 30px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.035);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 34px 80px rgba(0,0,0,.28);
  transform: perspective(900px) rotateY(-5deg) rotateX(2deg);
}
.identity-stage::before, .identity-stage::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}
.identity-stage::before {
  width: 280px;
  height: 280px;
  top: 70px;
  left: 70px;
  border: 1px solid rgba(25,211,197,.45);
  box-shadow: 0 0 0 32px rgba(25,211,197,.04), 0 0 0 76px rgba(25,211,197,.025);
}
.identity-stage::after {
  width: 14px;
  height: 14px;
  top: 205px;
  left: 203px;
  background: var(--lime);
  box-shadow: 0 0 32px var(--lime);
}
.object-card {
  position: absolute;
  z-index: 2;
  width: 210px;
  height: 278px;
  top: 96px;
  left: 105px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 18px;
  color: var(--dark);
  background: linear-gradient(145deg, #f9f8f3, #d8ddda);
  box-shadow: 0 28px 60px rgba(0,0,0,.36);
  transform: rotate(-4deg);
}
.object-card::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: .38;
  background-image: radial-gradient(#0c827d 1px, transparent 1.3px);
  background-size: 7px 7px;
  mask-image: linear-gradient(145deg, #000, transparent 72%);
  content: "";
}
.object-card-label { position: relative; z-index: 1; font-size: .68rem; font-weight: 800; letter-spacing: .12em; }
.object-code {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 45px;
  width: 66px;
  height: 66px;
  border: 7px solid var(--dark);
  background:
    linear-gradient(90deg, var(--dark) 16%, transparent 16% 32%, var(--dark) 32% 46%, transparent 46% 64%, var(--dark) 64% 80%, transparent 80%),
    linear-gradient(var(--dark) 14%, transparent 14% 30%, var(--dark) 30% 46%, transparent 46% 64%, var(--dark) 64% 82%, transparent 82%);
}
.object-uid { position: absolute; z-index: 2; bottom: 16px; left: 18px; font: 700 .62rem ui-monospace, monospace; letter-spacing: .08em; }
.signal-chip {
  position: absolute;
  z-index: 3;
  display: grid;
  gap: 2px;
  padding: 11px 14px;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 12px;
  color: var(--white);
  background: rgba(9,24,39,.82);
  box-shadow: 0 12px 36px rgba(0,0,0,.24);
  backdrop-filter: blur(12px);
}
.signal-chip strong { color: var(--cyan); font: 800 .69rem ui-monospace, monospace; letter-spacing: .08em; }
.signal-chip span { color: #aebac6; font-size: .68rem; }
.signal-chip-a { top: 58px; right: -18px; }
.signal-chip-b { right: 22px; bottom: 78px; }
.signal-chip-c { bottom: 22px; left: -10px; }
.page-hero { min-height: 610px; }
.page-hero .hero-shell { min-height: 610px; padding-block: 78px; }
.page-hero h1 { font-size: clamp(2.65rem, 5.4vw, 5.1rem); }
.page-hero .hero-visual { min-height: 390px; }

/* Abstract page visuals */
.visual-panel {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  box-shadow: 0 32px 80px rgba(0,0,0,.24);
}
.visual-panel::before {
  position: absolute;
  inset: 0;
  opacity: .6;
  background: radial-gradient(circle at 70% 30%, rgba(25,211,197,.25), transparent 34%);
  content: "";
}
.visual-tag {
  position: absolute;
  width: 230px;
  height: 298px;
  top: 48px;
  left: 50%;
  padding: 22px;
  border-radius: 22px;
  color: var(--dark);
  background: #f8f7f1;
  box-shadow: 0 30px 65px rgba(0,0,0,.35);
  transform: translateX(-50%) rotate(5deg);
}
.visual-tag::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: .23;
  background-image: radial-gradient(#0b8b84 1.1px, transparent 1.4px);
  background-size: 8px 8px;
  content: "";
}
.visual-tag > * { position: relative; z-index: 1; }
.visual-tag strong { font-size: .78rem; letter-spacing: .08em; }
.visual-tag .ring {
  width: 118px;
  height: 118px;
  margin: 38px auto 24px;
  border: 10px dashed var(--dark);
  border-radius: 50%;
  box-shadow: inset 0 0 0 12px #f8f7f1, inset 0 0 0 18px var(--dark);
}
.visual-tag small { display: block; text-align: center; font: 700 .62rem ui-monospace, monospace; letter-spacing: .12em; }
.visual-boxes { position: absolute; inset: 42px; }
.visual-box {
  position: absolute;
  width: 170px;
  height: 210px;
  border: 1px solid rgba(255,255,255,.3);
  background: linear-gradient(145deg, rgba(25,211,197,.15), rgba(255,255,255,.04));
  transform: skewY(-4deg);
}
.visual-box::after {
  position: absolute;
  top: -33px;
  left: 24px;
  width: 170px;
  height: 50px;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.05);
  transform: skewX(-42deg);
  content: "";
}
.visual-box.one { top: 78px; left: 38px; }
.visual-box.two { top: 28px; right: 34px; width: 128px; height: 158px; opacity: .6; }
.visual-box .id { position: absolute; right: 15px; bottom: 16px; color: var(--lime); font: 700 .62rem ui-monospace, monospace; }
.visual-dots {
  position: absolute;
  inset: 38px;
  border-radius: 28px;
  opacity: .7;
  background-image: radial-gradient(var(--cyan) 1.2px, transparent 1.7px);
  background-size: 13px 13px;
  mask-image: radial-gradient(circle at center, #000, transparent 72%);
}
.visual-qr {
  position: absolute;
  width: 180px;
  height: 180px;
  top: 50%;
  left: 50%;
  border: 16px solid #eff2ed;
  background:
    linear-gradient(90deg, var(--dark) 15%, transparent 15% 28%, var(--dark) 28% 42%, transparent 42% 58%, var(--dark) 58% 76%, transparent 76%),
    linear-gradient(var(--dark) 14%, transparent 14% 29%, var(--dark) 29% 44%, transparent 44% 61%, var(--dark) 61% 79%, transparent 79%);
  box-shadow: 0 24px 50px rgba(0,0,0,.32);
  transform: translate(-50%,-50%) rotate(-4deg);
}
.visual-qr::after {
  position: absolute;
  right: -62px;
  bottom: -50px;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 9px;
  color: var(--cyan);
  background: var(--dark-2);
  font: 800 .62rem ui-monospace, monospace;
  content: "UID 004827";
}
.visual-stack { position: absolute; inset: 48px; }
.visual-stack span {
  position: absolute;
  right: 22px;
  left: 22px;
  height: 110px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  box-shadow: 0 18px 36px rgba(0,0,0,.18);
}
.visual-stack span:nth-child(1) { top: 28px; transform: rotate(-7deg); }
.visual-stack span:nth-child(2) { top: 102px; transform: rotate(3deg); background: rgba(25,211,197,.08); }
.visual-stack span:nth-child(3) { top: 178px; transform: rotate(-2deg); background: rgba(200,240,74,.07); }
.visual-stack b { position: absolute; right: 28px; bottom: 24px; color: var(--lime); font-size: .72rem; letter-spacing: .1em; }

/* Cards and content */
.grid-2, .grid-3, .grid-4 { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.54);
}
.card-dark { border-color: rgba(255,255,255,.13); background: rgba(255,255,255,.045); }
.card-dark p, .card-dark li { color: #b9c4cf; }
.card-index {
  display: inline-grid;
  width: 36px;
  height: 36px;
  margin-bottom: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--cyan-dark);
  font: 800 .7rem ui-monospace, monospace;
}
.card-dark .card-index { border-color: rgba(255,255,255,.18); color: var(--cyan); }
.card ul { margin-bottom: 0; padding-left: 1.2em; color: var(--ink-soft); }
.card li + li { margin-top: 6px; }
.feature-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}
.feature-card::after {
  position: absolute;
  right: -36px;
  bottom: -36px;
  width: 130px;
  height: 130px;
  border: 1px solid rgba(10,20,33,.1);
  border-radius: 50%;
  content: "";
}
.feature-card p { margin-bottom: 22px; }
.feature-card .text-link { margin-top: auto; }
.result-list { display: grid; gap: 1px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.result-item {
  display: grid;
  grid-template-columns: 80px minmax(0,1fr);
  gap: 20px;
  align-items: start;
  padding: 25px 28px;
  background: var(--white);
}
.result-item + .result-item { border-top: 1px solid var(--line); }
.result-item b { color: var(--cyan-dark); font: 800 .72rem ui-monospace, monospace; letter-spacing: .1em; }
.result-item p { margin: 0; }
.check-list { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 32px; color: var(--ink-soft); }
.check-list li::before {
  position: absolute;
  left: 0;
  top: .23em;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 50%;
  color: var(--dark);
  background: var(--lime);
  font-size: .7rem;
  font-weight: 900;
  content: "✓";
}
.section-dark .check-list li { color: #c5cfda; }
.pill-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.pill-list li { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.5); color: var(--ink-soft); font-size: .88rem; }
.section-dark .pill-list li { border-color: rgba(255,255,255,.16); background: rgba(255,255,255,.04); color: #c9d3dd; }
.statement {
  position: relative;
  padding: 38px 42px;
  border-left: 4px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--white);
  box-shadow: var(--shadow);
}
.statement p { margin: 0; color: var(--ink); font-size: clamp(1.2rem, 2.3vw, 1.75rem); font-weight: 750; line-height: 1.5; }
.section-dark .statement { border-color: var(--lime); background: rgba(255,255,255,.06); box-shadow: none; }
.section-dark .statement p { color: var(--white); }
.boundary {
  padding: 26px 28px;
  border: 1px solid rgba(255,138,92,.4);
  border-radius: var(--radius-sm);
  background: rgba(255,138,92,.08);
}
.boundary strong { display: block; margin-bottom: 6px; color: #b1441c; }
.boundary p { margin: 0; font-size: .9rem; }
.section-dark .boundary strong { color: #ffac8a; }
.section-dark .boundary p { color: #c6d0da; }

/* Process */
.process { counter-reset: process; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1px; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius); overflow: hidden; }
.process-step { counter-increment: process; min-height: 180px; padding: 28px; background: rgba(255,255,255,.045); }
.process-step::before { display: block; margin-bottom: 40px; color: var(--cyan); font: 800 .7rem ui-monospace, monospace; content: "0" counter(process); }
.process-step h3 { font-size: 1.04rem; }
.process-step p { margin: 0; font-size: .86rem; }
.flowline { display: grid; grid-template-columns: repeat(8,minmax(0,1fr)); gap: 8px; margin-top: 38px; }
.flowline span { position: relative; padding-top: 18px; color: #aeb9c5; font-size: .75rem; text-align: center; }
.flowline span::before { position: absolute; top: 0; left: calc(50% - 4px); width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); content: ""; }
.flowline span::after { position: absolute; top: 3px; left: 55%; width: 90%; height: 1px; background: rgba(25,211,197,.3); content: ""; }
.flowline span:last-child::after { display: none; }

/* Split / metrics */
.split { display: grid; grid-template-columns: minmax(0,.84fr) minmax(0,1.16fr); gap: 70px; align-items: start; }
.split-reverse { grid-template-columns: minmax(0,1.16fr) minmax(0,.84fr); }
.sticky-copy { position: sticky; top: 112px; }
.data-panel {
  padding: 34px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(25,211,197,.08), rgba(255,255,255,.025));
}
.data-row { display: grid; grid-template-columns: 130px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.data-row:last-child { border-bottom: 0; }
.data-row b { color: var(--cyan); font: 700 .72rem ui-monospace, monospace; }
.data-row span { color: #d3dbe3; }

/* CTA band */
.cta-band { padding: 88px 0; background: var(--cyan); }
.cta-band-inner { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.cta-band h2 { max-width: 820px; margin-bottom: 10px; }
.cta-band p { max-width: 780px; margin: 0; color: rgba(7,17,29,.72); }

/* Inquiry form */
.inquiry-section { position: relative; overflow: hidden; padding: 112px 0; color: var(--white); background: var(--dark); }
.inquiry-section::before { position: absolute; inset: 0; opacity: .1; background-image: radial-gradient(var(--cyan) 1px, transparent 1px); background-size: 18px 18px; content: ""; }
.inquiry-grid { position: relative; display: grid; grid-template-columns: minmax(300px,.7fr) minmax(0,1.3fr); gap: 74px; align-items: start; }
.inquiry-copy { position: sticky; top: 112px; }
.inquiry-copy p { color: #bac6d1; }
.form-note { margin-top: 28px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.14); color: #8e9dab; font-size: .82rem; }
.inquiry-form { padding: 36px; border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg); background: rgba(255,255,255,.055); box-shadow: 0 30px 90px rgba(0,0,0,.28); }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.field { display: grid; gap: 8px; }
.field-full { grid-column: 1 / -1; }
.field label, .group-label { color: #e8edf2; font-size: .84rem; font-weight: 700; }
.required::after { margin-left: 4px; color: var(--orange); content: "*"; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 50px;
  padding: 11px 13px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 10px;
  color: var(--white);
  background: rgba(5,13,22,.62);
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field select option { color: var(--ink); background: var(--white); }
.field textarea { min-height: 122px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #708091; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(25,211,197,.14); }
.field [aria-invalid="true"] { border-color: var(--orange); }
.field-error { min-height: 1.2em; margin: 0; color: #ffb092; font-size: .76rem; }
.inline-pair { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 10px; align-items: center; }
.checkbox { display: flex; align-items: flex-start; gap: 10px; color: #c0cad4; font-size: .8rem; }
.checkbox input { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 3px; accent-color: var(--lime); }
.checkbox a { color: var(--white); text-underline-offset: 3px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 28px; }
.form-actions .button { border: 0; }
.form-status { margin: 0; color: #b9c7d3; font-size: .82rem; }
.form-status.is-success { color: var(--lime); }
.form-status.is-error { color: #ffb092; }
.file-note { margin: 4px 0 0; color: #8191a0; font-size: .74rem; }

/* About */
.audience-group { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.audience-group + .audience-group { margin-top: 18px; }
.audience-tag { display: inline-block; margin-bottom: 18px; color: var(--cyan-dark); font: 800 .72rem ui-monospace, monospace; letter-spacing: .1em; }
.role-matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); background: rgba(255,255,255,.12); }
.role-column { padding: 36px; background: var(--dark-2); }
.role-column h3 { color: var(--cyan); }
.role-column li { color: #bec9d3; }

/* Legal */
.legal-hero { padding: 92px 0 60px; background: var(--dark); color: var(--white); }
.legal-hero h1 { max-width: 820px; font-size: clamp(2.4rem,5vw,4.6rem); }
.draft-note { max-width: 840px; padding: 18px 22px; border: 1px solid rgba(255,138,92,.45); border-radius: 12px; color: #ffd2c0; background: rgba(255,138,92,.09); }
.legal-content { max-width: 860px; padding-block: 78px; }
.legal-content h2 { margin-top: 48px; font-size: 1.65rem; }
.legal-content h3 { margin-top: 30px; font-size: 1.16rem; }

/* Footer */
.site-footer { padding: 70px 0 32px; color: var(--white); background: #040a11; }
.footer-main { display: grid; grid-template-columns: minmax(260px,.75fr) minmax(0,1.25fr); gap: 70px; padding-bottom: 54px; }
.footer-brand p { max-width: 360px; margin: 24px 0; color: #8f9dac; }
.footer-nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 42px; }
.footer-nav h3 { margin-bottom: 18px; color: #7f8f9f; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px 20px; margin: 0; padding: 0; list-style: none; }
.footer-links a { color: #c9d2dc; font-size: .88rem; text-decoration: none; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--lime); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 16px 30px; align-items: center; justify-content: space-between; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom p { margin: 0; color: #697888; font-size: .74rem; }
.legal-links { display: flex; flex-wrap: wrap; gap: 16px; }
.legal-links a { color: #7d8c9b; font-size: .74rem; text-decoration: none; }
.mobile-cta { display: none; }

/* Toast */
.toast {
  position: fixed;
  z-index: 1000;
  right: 24px;
  bottom: 24px;
  max-width: 360px;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 12px;
  color: var(--white);
  background: var(--dark-2);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity .2s ease, transform .2s ease;
}
.toast.is-visible { opacity: 1; transform: none; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1180px) {
  .header-shell { width: min(100% - 28px, 1100px); }
  .main-nav {
    position: fixed;
    inset: 76px 0 auto;
    max-height: calc(100vh - 76px);
    overflow-y: auto;
    padding: 18px 20px 28px;
    border-top: 1px solid rgba(255,255,255,.1);
    background: rgba(7,17,29,.99);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity .2s ease, transform .2s ease;
  }
  .main-nav.is-open { opacity: 1; pointer-events: auto; transform: none; }
  .nav-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 6px; }
  .nav-link { min-height: 50px; padding-inline: 16px; font-size: .98rem; }
  .menu-button { display: block; }
  .header-actions { margin-left: auto; }
  .header-actions .header-cta { display: none; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 34px, 720px); }
  .section, .inquiry-section { padding-block: 82px; }
  .section-head, .hero-shell, .split, .split-reverse, .inquiry-grid, .footer-main { grid-template-columns: 1fr; }
  .section-head { gap: 8px; }
  .hero, .hero-shell { min-height: auto; }
  .hero-shell { gap: 22px; padding: 76px 0 82px; }
  .hero-visual { min-height: 410px; max-width: 560px; width: 100%; margin-inline: auto; }
  .page-hero .hero-shell { min-height: auto; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .process { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .flowline { grid-template-columns: repeat(4,minmax(0,1fr)); row-gap: 20px; }
  .flowline span:nth-child(4)::after, .flowline span:last-child::after { display: none; }
  .sticky-copy, .inquiry-copy { position: static; }
  .cta-band-inner { grid-template-columns: 1fr; }
  .footer-nav { gap: 32px; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100vw - 28px); }
  html { scroll-padding-top: 76px; }
  body { padding-bottom: 68px; }
  h1, .page-hero h1 { font-size: clamp(2.45rem, 10.5vw, 4rem); }
  h2 { font-size: clamp(1.85rem, 9vw, 2.7rem); }
  .header-shell { min-height: 68px; }
  .brand-name small { display: none; }
  .brand-mark { width: 32px; height: 32px; }
  .main-nav { inset: 68px 0 auto; max-height: calc(100vh - 68px); }
  .nav-list { grid-template-columns: 1fr; }
  .lang-switch { display: none; }
  .hero-shell, .page-hero .hero-shell { padding-block: 60px 70px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-visual { min-height: 330px; }
  .identity-stage { inset: 16px 2px 0; }
  .identity-stage::before { width: 210px; height: 210px; top: 58px; left: calc(50% - 105px); }
  .identity-stage::after { top: 157px; left: calc(50% - 7px); }
  .object-card { width: 154px; height: 208px; top: 70px; left: calc(50% - 77px); }
  .object-code { width: 52px; height: 52px; border-width: 5px; }
  .signal-chip { padding: 8px 10px; }
  .signal-chip-a { right: 4px; }
  .signal-chip-b { right: 5px; bottom: 42px; }
  .signal-chip-c { left: 4px; bottom: 14px; }
  .visual-panel { min-height: 330px; }
  .visual-tag { width: 180px; height: 236px; top: 48px; }
  .visual-tag .ring { width: 90px; height: 90px; margin-block: 25px 18px; }
  .visual-boxes { inset: 34px 20px; }
  .visual-box { width: 135px; height: 170px; }
  .visual-box::after { width: 135px; }
  .visual-box.two { right: 12px; }
  .grid-2, .grid-3, .grid-4, .form-grid, .role-matrix, .footer-nav, .footer-links { grid-template-columns: 1fr; }
  .card, .audience-group { padding: 24px; }
  .process { grid-template-columns: 1fr; }
  .process-step { min-height: 0; }
  .flowline { display: none; }
  .result-item { grid-template-columns: 1fr; gap: 8px; padding: 22px; }
  .statement { padding: 28px 25px; }
  .inquiry-form { padding: 24px 18px; border-radius: var(--radius); }
  .inline-pair { grid-template-columns: 1fr; }
  .footer-main { gap: 48px; }
  .mobile-cta {
    position: fixed;
    z-index: 90;
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    padding: 9px 14px;
    border-top: 1px solid rgba(255,255,255,.12);
    background: rgba(7,17,29,.96);
    backdrop-filter: blur(12px);
  }
  .mobile-cta .button { width: 100%; min-height: 48px; }
  .toast { right: 14px; bottom: 78px; left: 14px; max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .mobile-cta, .button, .toast { display: none !important; }
  body { background: #fff; }
  .section, .inquiry-section { padding-block: 36px; }
}