:root {
  --ink: #0c1a2e;
  --ink-soft: #243447;
  --muted: #5a6b7d;
  --line: rgba(18, 40, 70, 0.1);
  --paper: #f3f6fa;
  --white: #ffffff;
  --blue: #2e70ff;
  --blue-deep: #1b4fd4;
  --navy: #0b1f3a;
  --navy-2: #12315c;
  --sky: #dce9ff;
  --gold: #e0b56a;
  --gold-soft: #f3dfb4;
  --shadow: 0 30px 80px rgba(11, 31, 58, 0.18);
  --serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --shell: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }
img { max-width: 100%; display: block; }

.sr, .skip {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.skip:focus {
  clip: auto;
  width: auto;
  height: auto;
  left: 16px;
  top: 16px;
  z-index: 50;
  padding: 8px 12px;
  background: white;
}

.shell {
  width: min(var(--shell), calc(100% - 56px));
  margin-inline: auto;
}

.kicker {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22em;
}
.kicker.on-dark { color: var(--gold-soft); }

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2,
.value-head h2,
.for-org-copy h2,
.parent-copy h2,
.about h2,
.contact h2 {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.25;
}
.section-head h2 { font-size: clamp(36px, 4vw, 48px); }
.section-desc {
  margin-top: 16px;
  color: var(--muted);
  font-size: 17px;
  max-width: 36em;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: 80px;
  color: white;
  transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.is-stuck {
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(16px);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  line-height: 0;
}
.brand-logo {
  display: block;
  height: 40px;
  width: auto;
  max-width: min(220px, 52vw);
  object-fit: contain;
  object-position: left center;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a {
  font-size: 14px;
  letter-spacing: 0.06em;
  opacity: 0.88;
}
.site-nav a:hover { opacity: 1; }
.nav-cta {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--blue);
  color: white !important;
  opacity: 1 !important;
}
.site-header:not(.is-stuck) .nav-cta {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  color: inherit;
}
.site-header.is-stuck .nav-toggle {
  border-color: var(--line);
}
.nav-toggle-bars {
  display: block;
  width: 16px;
  height: 1.5px;
  margin: 0 auto;
  background: currentColor;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
}

/* Hero — full bleed, brand first */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 120px 0 0;
  color: white;
  background: #071427;
  overflow: hidden;
}
.hero-atmosphere { position: absolute; inset: 0; }
.hero-wash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1000px 560px at 78% 35%, rgba(46, 112, 255, 0.35), transparent 60%),
    radial-gradient(700px 420px at 18% 80%, rgba(224, 181, 106, 0.16), transparent 55%),
    linear-gradient(165deg, #0a1b36 0%, #0d2748 48%, #081526 100%);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.45;
  animation: float 10s ease-in-out infinite;
}
.hero-orb-a {
  width: 320px;
  height: 320px;
  right: 12%;
  top: 18%;
  background: #2e70ff;
}
.hero-orb-b {
  width: 220px;
  height: 220px;
  left: 8%;
  bottom: 18%;
  background: #e0b56a;
  animation-delay: -4s;
}
.hero-rise {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-rise path {
  fill: none;
  stroke: url(#rise);
  stroke-width: 3;
  stroke-linecap: round;
  opacity: 0.85;
  stroke-dasharray: 1800;
  stroke-dashoffset: 1800;
  animation: draw 2.4s ease forwards 0.4s;
}
.hero-content {
  position: relative;
  padding-bottom: 56px;
}
.hero-brand {
  margin: 0 0 20px;
  color: var(--gold-soft);
  letter-spacing: 0.42em;
  font-size: 13px;
  font-weight: 500;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(56px, 7.5vw, 104px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.06em;
  display: flex;
  flex-wrap: wrap;
  column-gap: 0.28em;
  row-gap: 0.08em;
}
.hero h1 span {
  white-space: nowrap;
}
.hero-line {
  margin-top: 28px;
  max-width: min(42em, 100%);
  font-size: clamp(18px, 2vw, 26px);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
  word-break: keep-all;
  overflow-wrap: normal;
}
.hero-line-break {
  display: block;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-light { background: white; color: var(--navy); }
.btn-ghost {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-primary { background: var(--blue); color: white; }
.btn-primary:hover { background: var(--blue-deep); }
.btn-secondary {
  background: white;
  color: var(--navy);
  border-color: #c9d7ee;
}
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); }
.btn-gold { background: var(--gold); color: #2a1d08; }
.btn-gold:hover { background: var(--gold-soft); }

.hero-rail {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(var(--shell), calc(100% - 56px));
  margin: 0 auto;
  padding: 22px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  letter-spacing: 0.18em;
}

/* Value */
.value {
  padding: 120px 0;
  background:
    linear-gradient(180deg, #eef3f9 0%, #f8fafc 100%);
}
.value-head {
  max-width: 760px;
  margin-bottom: 48px;
}
.value-head h2 {
  font-size: clamp(36px, 4.5vw, 52px);
}
.value-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 40px;
  border-top: 1px solid rgba(18, 40, 70, 0.12);
}
.value-col {
  padding: 32px 0 8px;
  position: relative;
}
.value-col:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 32px;
  bottom: 8px;
  right: -20px;
  width: 1px;
  background: rgba(18, 40, 70, 0.1);
}
.value-role {
  display: block;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
}
.value-col h3 {
  font-family: var(--serif);
  font-size: clamp(22px, 2vw, 26px);
  line-height: 1.35;
  margin-bottom: 14px;
  max-width: 8em;
}
.value-col p {
  color: var(--muted);
  font-size: 15px;
  max-width: 22em;
}

/* Professional capability */
.pro {
  padding: 110px 0;
  background: white;
}
.pro-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.pro-card {
  padding: 28px 26px 30px;
  border: 1px solid rgba(18, 40, 70, 0.1);
  border-radius: 18px;
  background: linear-gradient(180deg, #f7f9fc 0%, #ffffff 100%);
}
.pro-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
}
.pro-card h3 {
  font-family: var(--serif);
  font-size: 24px;
  margin-bottom: 10px;
}
.pro-card p { color: var(--muted); margin: 0; }
.pro-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(18, 40, 70, 0.1);
}
.pro-flow li {
  padding: 28px 24px 8px 0;
}
.pro-flow b {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-family: var(--serif);
  font-size: 22px;
}
.pro-flow strong {
  display: block;
  font-family: var(--serif);
  font-size: 20px;
  margin-bottom: 8px;
}
.pro-flow span {
  color: var(--muted);
  font-size: 14px;
}

.ai-banner {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 28px;
  padding: 28px;
  border-radius: 22px;
  background:
    radial-gradient(600px 280px at 100% 0%, rgba(46, 112, 255, 0.28), transparent 55%),
    linear-gradient(145deg, #0b1f3a 0%, #12315c 100%);
  color: white;
  box-shadow: var(--shadow);
}
.ai-banner-tag {
  margin: 0 0 10px;
  color: var(--gold-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
}
.ai-banner h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 36px);
  margin: 0 0 12px;
}
.ai-banner-copy > p:not(.ai-banner-tag) {
  margin: 0 0 22px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 38em;
  font-size: 15px;
}
.ai-banner-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.ai-banner-points li {
  padding: 12px 14px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.ai-banner-points strong {
  display: block;
  margin-bottom: 4px;
  color: var(--gold-soft);
  font-size: 14px;
}
.ai-banner-points span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  line-height: 1.45;
}
.ai-banner-visual {
  margin: 0;
  position: relative;
}
.ai-banner-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: contain;
  object-position: center;
  border-radius: 16px;
  background: #111;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
.ai-banner-visual figcaption {
  margin-top: 12px;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.55);
}

/* FAQ */
.faq {
  padding: 110px 0;
  background: var(--paper);
}
.faq-grid .section-head { margin-bottom: 28px; }
.faq-list {
  display: grid;
  gap: 12px;
}
.faq-list details {
  background: white;
  border-radius: 16px;
  border: 1px solid rgba(18, 40, 70, 0.08);
  padding: 4px 20px 4px;
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-weight: 600;
  font-size: 17px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--blue);
  font-weight: 500;
}
.faq-list details[open] summary::after { content: "–"; }
.faq-list p {
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 52em;
}

/* Pricing */
.pricing {
  padding: 110px 0;
  background: white;
}
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: stretch;
}
.price-card {
  display: flex;
  flex-direction: column;
  padding: 28px 24px 24px;
  border-radius: 20px;
  border: 1px solid rgba(18, 40, 70, 0.1);
  background: #f7f9fc;
}
.price-card-trial {
  background: linear-gradient(180deg, #eef5ff 0%, #f7f9fc 100%);
}
.price-card-hot {
  background: linear-gradient(165deg, #0b1f3a 0%, #12315c 100%);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow);
}
.price-tag {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
}
.price-card-hot .price-tag { color: var(--gold-soft); }
.price-card h3 {
  font-family: var(--serif);
  font-size: 28px;
  margin-bottom: 16px;
}
.price-amount {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.price-amount strong {
  font-family: var(--serif);
  font-size: 48px;
  line-height: 1;
  font-weight: 700;
}
.price-amount span {
  font-size: 15px;
  color: var(--muted);
}
.price-card-hot .price-amount span { color: rgba(255, 255, 255, 0.7); }
.price-period {
  margin: 10px 0 20px;
  color: var(--muted);
  font-size: 14px;
}
.price-card-hot .price-period { color: rgba(255, 255, 255, 0.65); }
.price-card ul {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  flex: 1;
}
.price-card li {
  padding: 8px 0;
  border-top: 1px solid rgba(18, 40, 70, 0.08);
  font-size: 14px;
  color: var(--ink-soft);
}
.price-card-hot li {
  border-top-color: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.82);
}
.price-card .btn { width: 100%; }
.price-card-hot .btn-primary {
  background: var(--gold);
  color: #2a1d08;
}
.price-card-hot .btn-primary:hover { background: var(--gold-soft); }
.price-notes {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.price-notes div {
  padding: 20px 22px;
  border-radius: 16px;
  background: var(--paper);
}
.price-notes strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--serif);
  font-size: 18px;
}
.price-notes p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Journey - keep faq after pricing styles */
.journey {
  padding: 120px 0;
  background: white;
}
.journey-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.journey-track li {
  padding: 36px 28px 8px 0;
  position: relative;
}
.journey-track li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: -1px;
  right: 18px;
  width: 40%;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), transparent);
}
.journey-no {
  color: var(--blue);
  font-family: var(--serif);
  font-size: 28px;
  margin-bottom: 18px;
}
.journey-track h3 {
  font-family: var(--serif);
  font-size: 28px;
  margin-bottom: 12px;
}
.journey-track p {
  color: var(--muted);
  font-size: 15px;
  max-width: 18em;
}

/* For org */
.for-org {
  padding: 110px 0;
  background:
    radial-gradient(700px 400px at 85% 20%, rgba(46, 112, 255, 0.22), transparent 60%),
    linear-gradient(145deg, #0b1f3a 0%, #12315c 55%, #0a1830 100%);
  color: white;
}
.for-org-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.for-org-copy h2 { font-size: clamp(36px, 4vw, 52px); }
.for-org-lead {
  margin: 20px 0 28px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  max-width: 34em;
}
.org-points {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
}
.org-points li {
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.org-points strong {
  display: block;
  margin-bottom: 4px;
  color: var(--gold-soft);
}
.org-points span { color: rgba(255, 255, 255, 0.7); }

.org-stage { position: relative; min-height: 420px; }
.org-desk {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.org-desk-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.25);
}
.org-desk-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #6e7f93;
}
.org-desk-bar b {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.55);
}
.org-desk-body {
  display: grid;
  grid-template-columns: 64px 1fr;
  min-height: 300px;
}
.org-desk-body aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px 18px;
  background: rgba(0, 0, 0, 0.22);
}
.org-desk-body aside i {
  display: block;
  height: 8px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.16);
}
.org-desk-body aside i.on { background: var(--gold); }
.org-desk-main { padding: 20px; }
.org-desk-main header { margin-bottom: 14px; }
.org-desk-main header strong { display: block; font-size: 18px; }
.org-desk-main header em {
  font-style: normal;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}
.org-row {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
}
.org-row b, .org-row span { display: block; }
.org-row span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
}
.org-float {
  position: absolute;
  right: -8px;
  bottom: -12px;
  width: min(280px, 70%);
  background: white;
  color: var(--ink);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.org-float > p {
  margin-bottom: 12px;
  font-weight: 600;
}
.org-float-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.org-float-metrics div {
  background: var(--paper);
  border-radius: 12px;
  padding: 12px 8px;
  text-align: center;
}
.org-float-metrics strong { display: block; font-size: 14px; }
.org-float-metrics span { color: var(--muted); font-size: 11px; }

/* Parent */
.for-parent {
  padding: 120px 0;
  background:
    linear-gradient(180deg, #f7f9fc 0%, #eef4fb 100%);
}
.for-parent-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.parent-copy h2 { font-size: clamp(36px, 4vw, 52px); }
.mp-entry {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 28px 0 0;
  padding: 14px 18px 14px 14px;
  max-width: 360px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid #d7e4f2;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(11, 31, 58, 0.05);
}
.mp-entry img {
  width: 112px;
  height: 112px;
  flex: 0 0 112px;
  display: block;
  border-radius: 10px;
  background: #fff;
}
.mp-entry figcaption {
  display: grid;
  gap: 6px;
  margin: 0;
}
.mp-entry strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}
.mp-entry span {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}
.parent-points {
  display: grid;
  gap: 20px;
  margin-top: 32px;
}
.parent-points strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  margin-bottom: 6px;
}
.parent-points p { color: var(--muted); }

.parent-stage {
  display: flex;
  justify-content: center;
}
.mp-phone {
  width: min(360px, 100%);
  position: relative;
}
.mp-phone-screen {
  background: #0a0f16;
  border-radius: 36px;
  padding: 12px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(18, 40, 70, 0.1);
}
.mp-slides {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  background: #f4f7fb;
  aspect-ratio: 9 / 19.5;
}
.mp-slides img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  opacity: 0;
  transition: opacity 0.55s ease;
}
.mp-slides img.is-active { opacity: 1; }
.mp-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}
.mp-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #c5d0de;
  cursor: pointer;
}
.mp-dots button.is-active {
  background: var(--blue);
  transform: scale(1.15);
}

/* Coverage */
.coverage {
  padding: 110px 0;
  background: white;
}
.coverage-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
}
.coverage-list article {
  background: white;
  padding: 32px 28px 36px;
  min-height: 180px;
}
.coverage-list span {
  display: block;
  margin-bottom: 18px;
  color: var(--blue);
  font-family: var(--serif);
  font-size: 20px;
}
.coverage-list h3 {
  font-family: var(--serif);
  font-size: 24px;
  margin-bottom: 10px;
}
.coverage-list p { color: var(--muted); }

/* About */
.about {
  padding: 110px 0;
  background: #071427;
  color: white;
}
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: end;
}
.about h2 { font-size: clamp(40px, 5vw, 64px); }
.about-lead {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.68);
  max-width: 30em;
  font-size: 17px;
}
.about dl { margin: 0; }
.about dl div {
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.about dt {
  color: var(--gold-soft);
  font-size: 12px;
  letter-spacing: 0.16em;
}
.about dd {
  margin: 8px 0 0;
  font-size: 18px;
}

/* Contact */
.contact {
  padding: 110px 0;
  background:
    linear-gradient(180deg, #f5f8fc 0%, #eaf0f8 100%);
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.contact h2 { font-size: clamp(36px, 4.5vw, 56px); }
.contact-lines {
  list-style: none;
  margin: 36px 0 18px;
  padding: 0;
}
.contact-lines li {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.contact-lines span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.12em;
}
.contact-lines a {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.contact-lead {
  margin: 16px 0 0;
  max-width: 22em;
}
.wechat-card {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 8px 0 20px;
  padding: 16px;
  background: white;
  border-radius: 18px;
  border: 1px solid #d7e0ec;
  box-shadow: 0 10px 30px rgba(11, 31, 58, 0.06);
}
.wechat-qr {
  flex: 0 0 168px;
  width: 168px;
  height: 168px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--paper);
}
.wechat-qr img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.wechat-copy strong {
  display: block;
  font-size: 18px;
  margin-bottom: 6px;
}
.wechat-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  max-width: 16em;
}
.contact-form {
  display: grid;
  gap: 14px;
  background: white;
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid #d7e0ec;
  border-radius: 12px;
  background: var(--paper);
  padding: 12px 14px;
  font-weight: 400;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: white;
}
.region-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.form-note { margin: 0; color: var(--muted); font-size: 13px; }

.site-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
}
.site-modal[hidden] { display: none !important; }
.site-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 20, 39, 0.55);
  backdrop-filter: blur(4px);
}
.site-modal-panel {
  position: relative;
  width: min(400px, 100%);
  background: white;
  border-radius: 20px;
  padding: 28px 24px 24px;
  box-shadow: 0 28px 80px rgba(11, 31, 58, 0.28);
  text-align: center;
}
.site-modal-kicker {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
}
.site-modal-panel h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 26px;
}
.site-modal-text {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}
.site-modal-panel .btn {
  width: 100%;
}
.site-modal.is-error .site-modal-kicker { color: #c45c3e; }

.site-footer {
  background: #071427;
  color: rgba(255, 255, 255, 0.5);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

@keyframes draw {
  to { stroke-dashoffset: 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@media (max-width: 980px) {
  .shell { width: min(var(--shell), calc(100% - 36px)); }
  .wechat-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-toggle { display: grid; place-items: center; }
  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 80px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 18px;
    background: white;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .site-header:not(.is-stuck) .site-nav {
    background: #0b1f3a;
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }
  .nav-cta { text-align: center; margin-top: 8px; }
  .hero { padding-top: 100px; }
  .hero h1 {
    font-size: clamp(36px, 11vw, 48px);
    letter-spacing: 0.04em;
  }
  .hero-line {
    max-width: 100%;
    font-size: 17px;
  }
  .hero-rail {
    flex-wrap: wrap;
    letter-spacing: 0.08em;
  }
  .value-cols,
  .pro-grid,
  .pro-flow,
  .ai-banner,
  .ai-banner-points,
  .price-grid,
  .price-notes,
  .for-org-grid,
  .for-parent-grid,
  .about-grid,
  .contact-grid,
  .region-row,
  .journey-track,
  .coverage-list {
    grid-template-columns: 1fr;
  }
  .value-col:not(:last-child)::after { display: none; }
  .value-col {
    padding: 24px 0;
    border-bottom: 1px solid rgba(18, 40, 70, 0.1);
  }
  .value-col:last-child { border-bottom: 0; }
  .pro-flow li { padding: 20px 0; border-bottom: 1px solid rgba(18, 40, 70, 0.08); }
  .pro-flow li:last-child { border-bottom: 0; }
  .journey-track li:not(:last-child)::after { display: none; }
  .org-float {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 16px;
  }
  .org-stage { min-height: 0; }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 22px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .hero-orb, .hero-rise path {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    stroke-dashoffset: 0 !important;
  }
}