:root {
  --ink: #073f23;
  --deep: #06351e;
  --deep-2: #092817;
  --green: #5f8f24;
  --lime: #a7d42d;
  --paper: #fbfbf7;
  --soft: #f4f6ee;
  --line: #dfe5d6;
  --muted: #5d675e;
  --shadow: 0 22px 70px rgba(22, 42, 25, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: #142017;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  background: var(--paper);
  line-height: 1.72;
  letter-spacing: 0;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
svg { width: 1em; height: 1em; stroke-width: 2; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 52px;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 251, 247, .88);
  backdrop-filter: blur(18px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 250px;
}
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  overflow: hidden;
  background: #073f23;
}
.brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.brand strong {
  display: block;
  font-size: 20px;
  line-height: 1.2;
  font-weight: 800;
}
.brand small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 15px;
  font-weight: 700;
}
.site-nav a {
  position: relative;
  padding: 25px 2px;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 16px;
  height: 3px;
  border-radius: 99px;
  background: var(--green);
  transform: scaleX(0);
  transition: transform .24s ease;
}
.site-nav a.active::after,
.site-nav a:hover::after { transform: scaleX(1); }
.site-nav .nav-cta {
  padding: 10px 20px;
  border-radius: 8px;
  color: #fff;
  background: var(--deep);
  box-shadow: 0 8px 18px rgba(8, 54, 30, .16);
}
.site-nav .nav-cta::after { display: none; }
.menu-btn { display: none; }

.snap-root {
  scroll-padding-top: 78px;
}
.section {
  position: relative;
  min-height: calc(100vh - 78px);
  padding: 78px 0;
  border-bottom: 1px solid rgba(223, 229, 214, .75);
  background:
    radial-gradient(circle at 8% 10%, rgba(169, 211, 45, .09), transparent 26%),
    radial-gradient(circle at 90% 30%, rgba(7, 63, 35, .05), transparent 28%),
    var(--paper);
}
.snap-section { scroll-margin-top: 78px; }
.container {
  width: min(1320px, calc(100% - 72px));
  margin: 0 auto;
}
.section-head {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}
.section-head.split {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 44px;
  align-items: center;
  text-align: left;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-weight: 800;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 22px;
  color: var(--deep);
  font-size: clamp(48px, 6vw, 82px);
  line-height: 1.12;
  font-weight: 900;
}
h2 {
  margin-bottom: 18px;
  color: var(--deep);
  font-size: clamp(34px, 4vw, 60px);
  line-height: 1.18;
  font-weight: 900;
}
.section-head h2 { font-size: clamp(30px, 3vw, 46px); }
.section-head p,
.hero-text,
.about-hero p,
.why-hero p { color: #333d35; font-size: 18px; }
.center-title {
  margin: 54px 0 26px;
  text-align: center;
  color: var(--deep);
  font-size: 30px;
}

.hero-section {
  display: grid;
  align-items: center;
  padding-top: 64px;
  background:
    linear-gradient(90deg, rgba(251,251,247,.98) 0%, rgba(251,251,247,.94) 52%, rgba(240,246,230,.9) 100%),
    radial-gradient(circle at 76% 48%, rgba(113, 145, 52, .18), transparent 30%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(560px, 660px);
  gap: 44px;
  align-items: center;
}
.hero-grid > *,
.hero-copy,
.container > * { min-width: 0; }
.hero-actions, .hero-points, .value-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.hero-actions { margin: 34px 0 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid var(--deep);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(7, 63, 35, .16); }
.btn-primary { color: #fff; background: var(--deep); }
.btn-ghost { color: var(--deep); background: rgba(255,255,255,.5); }
.hero-points span,
.value-row span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--deep);
  font-weight: 800;
}
.hero-points svg,
.value-row svg { color: var(--green); }
.hero-board {
  width: 100%;
  max-width: 100%;
  min-height: 420px;
  padding: 28px;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(145deg, #073b22, #0d2317);
  box-shadow: var(--shadow);
}
.board-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 34px;
  color: rgba(255,255,255,.72);
  font-weight: 800;
}
.board-top span { display: inline-flex; gap: 8px; align-items: center; }
.board-items { display: grid; gap: 18px; }
.board-items span {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 72px;
  padding: 0 24px;
  border-radius: 14px;
  color: rgba(255,255,255,.72);
  background: rgba(255,255,255,.07);
  font-size: 20px;
  font-weight: 800;
}
.board-items svg { color: var(--lime); }

.hero-orbit {
  position: relative;
  width: min(660px, 100%);
  aspect-ratio: 1.46;
  justify-self: end;
  border-radius: 28px;
  background:
    radial-gradient(circle at center, rgba(255,255,255,.95) 0 17%, transparent 18%),
    radial-gradient(circle at center, rgba(95,143,36,.13), transparent 58%),
    linear-gradient(135deg, rgba(255,255,255,.72), rgba(245,250,238,.44));
  box-shadow: 0 22px 70px rgba(22,42,25,.06);
}
.orbit-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.orbit-lines ellipse,
.orbit-lines path {
  fill: none;
  stroke: rgba(95, 143, 36, .42);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-dasharray: 6 8;
  vector-effect: non-scaling-stroke;
}
.orbit-lines path {
  opacity: .72;
}
.orbit-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: clamp(112px, 17%, 124px);
  height: clamp(112px, 17%, 124px);
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  border-radius: 50%;
  color: #fff;
  background: radial-gradient(circle at 34% 28%, #176335, #06351e 72%);
  box-shadow:
    0 0 0 10px rgba(255,255,255,.84),
    0 20px 50px rgba(6, 53, 30, .2);
  font-weight: 900;
  z-index: 2;
}
.orbit-core svg { font-size: 34px; }
.hero-node {
  position: absolute;
  display: grid;
  grid-template-columns: 30px 1fr;
  column-gap: 10px;
  align-items: center;
  width: clamp(170px, 28%, 216px);
  min-width: 0;
  min-height: 78px;
  padding: 13px 17px;
  border: 1px solid rgba(204, 220, 188, .86);
  border-radius: 22px;
  background: rgba(244, 250, 234, .94);
  box-shadow: 0 18px 36px rgba(22,42,25,.07);
  z-index: 3;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}
.hero-node:hover {
  transform: translateY(-3px);
  background: rgba(249, 252, 244, .98);
  box-shadow: 0 24px 44px rgba(22,42,25,.12);
}
.hero-node svg {
  grid-row: span 2;
  color: var(--green);
  font-size: 25px;
}
.hero-node b {
  color: var(--deep);
  font-size: 20px;
  line-height: 1.2;
}
.hero-node small {
  color: #5b675d;
  font-size: 12px;
  line-height: 1.45;
}
.node-top { left: 50%; top: 0; transform: translateX(-50%); }
.node-left-top { left: 0; top: 24%; }
.node-right-top { right: 0; top: 24%; }
.node-left-mid { left: 0; top: 63%; }
.node-right-mid { right: 0; top: 63%; }
.node-bottom { left: 50%; bottom: 0; transform: translateX(-50%); }

.service-orbit {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  max-width: 760px;
  margin: 0 auto 42px;
}
.orbit-center,
.orbit-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 84px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.76);
  box-shadow: 0 12px 28px rgba(24, 42, 28, .04);
  font-weight: 800;
  text-align: center;
}
.orbit-center {
  grid-column: 2;
  grid-row: 2;
  min-height: 118px;
  color: #fff;
  flex-direction: column;
  border-radius: 999px;
  background: radial-gradient(circle at 35% 28%, #386f30, var(--deep));
}
.orbit-card svg { color: var(--green); font-size: 26px; }
.orbit-card:nth-of-type(1) { grid-column: 1; grid-row: 1; }
.orbit-card:nth-of-type(2) { grid-column: 3; grid-row: 1; }
.orbit-card:nth-of-type(3) { grid-column: 3; grid-row: 2; }
.orbit-card:nth-of-type(4) { grid-column: 1; grid-row: 2; }
.orbit-card:nth-of-type(5) { grid-column: 1; grid-row: 3; }
.orbit-card:nth-of-type(6) { grid-column: 3; grid-row: 3; }

.card-grid {
  display: grid;
  gap: 26px;
}
.two-col { grid-template-columns: repeat(2, 1fr); }
.service-card,
.case-grid article,
.belief-grid article,
.contact-cards article,
.company-card,
.principles,
.contact-panel,
.compare-table,
.stats-row,
.benefit-matrix,
.qr-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.78);
  box-shadow: 0 12px 34px rgba(22, 42, 25, .035);
}
.service-card {
  padding: 30px;
}
.service-card h3 {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--deep);
  font-size: 25px;
}
.service-card h3 svg { color: var(--deep); font-size: 36px; }
.service-card h3 span { color: var(--green); }
.service-card dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.service-card dl div { min-height: 130px; padding: 22px; border-bottom: 1px solid var(--line); }
.service-card dl div:nth-child(odd) { border-right: 1px solid var(--line); }
.service-card dl div:nth-last-child(-n+2) { border-bottom: 0; }
dt { color: var(--deep); font-weight: 900; margin-bottom: 8px; }
dd { margin: 0; color: #29362d; }

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-grid article {
  padding: 30px;
  min-height: 430px;
}
.case-grid span {
  color: var(--green);
  font-size: 34px;
  font-weight: 900;
}
.case-grid h3 { margin: 8px 0 10px; color: var(--deep); font-size: 24px; }
.case-grid em {
  display: inline-flex;
  margin-bottom: 28px;
  padding: 6px 11px;
  border-radius: 999px;
  color: #43612f;
  background: #eef4e8;
  font-style: normal;
  font-size: 13px;
}
.case-grid p { color: #2f3a33; }

.value-row.compact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.value-row.compact span {
  min-height: 88px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.process-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 36px;
}
.timeline {
  display: grid;
  gap: 24px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(var(--line), var(--green), var(--line));
}
.timeline article {
  position: relative;
  margin-left: 78px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.82);
}
.timeline article > span {
  position: absolute;
  left: -78px;
  top: 20px;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--deep);
  font-size: 22px;
  font-weight: 900;
}
.timeline h3 { margin-bottom: 12px; color: var(--deep); font-size: 23px; }
.timeline ul {
  columns: 3;
  margin: 0;
  padding-left: 18px;
  color: #2d382f;
}
.principles {
  align-self: start;
  position: sticky;
  top: 104px;
  overflow: hidden;
}
.principles h3 {
  margin: 0;
  padding: 26px;
  text-align: center;
  color: var(--deep);
  border-bottom: 1px solid var(--line);
  font-size: 26px;
}
.principles div { padding: 28px; border-bottom: 1px solid var(--line); }
.principles div:last-child { border-bottom: 0; }
.principles svg { color: var(--green); font-size: 36px; }
.principles strong { display: block; margin: 10px 0 6px; color: var(--deep); font-size: 20px; }
.principles p { margin: 0; color: #3d463e; }

.why-hero,
.about-hero,
.contact-hero {
  display: grid;
  grid-template-columns: 1fr 560px;
  gap: 52px;
  align-items: center;
}
.benefit-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
}
.benefit-matrix span {
  min-height: 160px;
  padding: 24px;
  text-align: center;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.benefit-matrix span:nth-child(3n) { border-right: 0; }
.benefit-matrix span:nth-last-child(-n+3) { border-bottom: 0; }
.benefit-matrix svg { color: var(--green); font-size: 42px; }
.benefit-matrix b { display: block; margin: 12px 0 2px; color: var(--deep); }
.benefit-matrix small { color: var(--muted); }
.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}
.compare-table th,
.compare-table td {
  padding: 22px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.compare-table th {
  color: var(--deep);
  background: #f3f8e9;
  font-size: 18px;
}
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table th:last-child,
.compare-table td:last-child { border-right: 0; }
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 40px;
  overflow: hidden;
}
.stats-row span {
  min-height: 104px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--line);
  color: #263229;
}
.stats-row span:last-child { border-right: 0; }
.stats-row b { color: var(--green); font-size: 42px; line-height: 1; }

.company-card { padding: 28px; }
.company-card h3 { color: var(--deep); font-size: 24px; }
.company-card p {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.company-card b { color: var(--muted); }
.company-card strong { display: block; margin-top: 22px; color: var(--deep); }
.belief-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.belief-grid article { padding: 30px; text-align: center; }
.belief-grid svg { color: var(--green); font-size: 48px; }
.belief-grid h3 { color: var(--deep); font-size: 22px; }

.contact-section { padding-bottom: 40px; }
.contact-illustration {
  min-height: 260px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background:
    linear-gradient(140deg, rgba(255,255,255,.9), rgba(229,242,211,.82)),
    radial-gradient(circle at 20% 85%, rgba(7,63,35,.1), transparent 28%);
  box-shadow: var(--shadow);
  color: var(--deep);
  font-size: 24px;
  font-weight: 800;
  text-align: center;
}
.check-list {
  padding: 0;
  list-style: none;
  color: #263229;
  font-weight: 800;
}
.check-list li { margin: 12px 0; }
.check-list li::before { content: "✓"; color: var(--green); margin-right: 10px; }
.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 44px 0;
}
.contact-cards article {
  padding: 28px;
  text-align: center;
}
.contact-cards svg { color: var(--green); font-size: 42px; }
.contact-cards strong { display: block; margin: 10px 0 18px; font-size: 22px; }
.contact-cards p { color: var(--muted); margin: 16px 0 0; }
.contact-panel {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 42px;
  padding: 34px;
}
.contact-panel h3 { color: var(--deep); font-size: 26px; }
.contact-panel li { margin: 14px 0; }
.qr-card { padding: 24px; text-align: center; }
.qr-placeholder {
  width: min(260px, 100%);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  margin: 18px auto;
  border: 1px dashed #b8c3b0;
  border-radius: 10px;
  color: #222;
  background:
    linear-gradient(90deg, rgba(7,63,35,.04) 1px, transparent 1px),
    linear-gradient(rgba(7,63,35,.04) 1px, transparent 1px),
    #fafbf8;
  background-size: 14px 14px;
  font-size: 24px;
  font-weight: 800;
}
.qr-placeholder span {
  display: block;
  margin-top: 8px;
  color: var(--deep);
  font-size: 16px;
}
.real-qr-needed {
  color: #3f493f;
  background:
    linear-gradient(90deg, rgba(7,63,35,.035) 1px, transparent 1px),
    linear-gradient(rgba(7,63,35,.035) 1px, transparent 1px),
    #fff;
  background-size: 14px 14px;
}
.wechat-qr {
  width: min(260px, 100%);
  aspect-ratio: 1;
  display: block;
  margin: 18px auto;
  padding: 12px;
  border: 1px solid #d8dfd1;
  border-radius: 10px;
  background: #fff;
  object-fit: contain;
  box-shadow: 0 10px 28px rgba(22,42,25,.06);
}

.site-footer {
  padding: 48px 0 22px;
  color: #fff;
  background: linear-gradient(135deg, #073f23, #082415);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr;
  gap: 70px;
}
.site-footer a,
.site-footer span {
  display: block;
  margin-top: 9px;
  color: rgba(255,255,255,.82);
}
.site-footer p { color: rgba(255,255,255,.82); }
.copyright {
  margin: 36px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.14);
  text-align: center;
  color: rgba(255,255,255,.65);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
}
.modal.open { display: block; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.62);
  backdrop-filter: blur(3px);
}
.wechat-dialog {
  position: relative;
  width: min(560px, calc(100% - 32px));
  max-height: calc(100vh - 48px);
  margin: 24px auto;
  overflow: auto;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 30px 100px rgba(0,0,0,.32);
  animation: modalIn .24s ease both;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(22px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.wechat-dialog header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  color: #fff;
  background: linear-gradient(135deg, var(--deep), #0c562f);
}
.wechat-dialog h2 { margin: 0; color: #fff; font-size: 28px; }
.wechat-dialog header button,
.plain-close {
  border: 0;
  background: transparent;
  cursor: pointer;
}
.wechat-dialog header button { color: #fff; font-size: 24px; }
.wechat-body {
  padding: 28px 40px 34px;
  text-align: center;
}
.wechat-icon { color: var(--deep); font-size: 40px; }
.contact-list {
  margin: 22px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  text-align: left;
}
.contact-list p {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 14px;
  align-items: center;
  margin: 0;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.contact-list p:last-child { border-bottom: 0; }
.contact-list i,
.contact-list svg { color: var(--deep); }
.contact-list button,
.contact-list a {
  padding: 7px 12px;
  border: 1px solid var(--deep);
  border-radius: 6px;
  color: var(--deep);
  background: #fff;
  cursor: pointer;
  font-weight: 700;
}
.copy-main { width: 100%; background: var(--lime); color: var(--deep); border-color: var(--lime); }
.plain-close { margin-top: 14px; color: #222; }

.reveal .service-card,
.reveal .case-grid article,
.reveal .timeline article,
.reveal .belief-grid article,
.reveal .contact-cards article,
.reveal .benefit-matrix span {
  opacity: 0;
  transform: translateY(34px) scale(.985);
  transition: opacity .75s cubic-bezier(.2,.8,.2,1), transform .75s cubic-bezier(.2,.8,.2,1);
  will-change: opacity, transform;
}
.reveal.in-view .service-card,
.reveal.in-view .case-grid article,
.reveal.in-view .timeline article,
.reveal.in-view .belief-grid article,
.reveal.in-view .contact-cards article,
.reveal.in-view .benefit-matrix span {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.hero-copy,
.hero-orbit,
.section-head,
.why-hero,
.about-hero,
.contact-hero {
  animation: softEnter .8s cubic-bezier(.2,.8,.2,1) both;
}
.hero-orbit { animation-delay: .08s; }
@keyframes softEnter {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 1080px) {
  .site-header { padding: 0 24px; }
  .site-nav {
    position: fixed;
    inset: 78px 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 24px 24px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px; }
  .site-nav a::after { display: none; }
  .menu-btn {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
  }
  .hero-grid,
  .section-head.split,
  .process-layout,
  .why-hero,
  .about-hero,
  .contact-hero,
  .contact-panel,
  .footer-grid { grid-template-columns: 1fr; }
  .two-col,
  .case-grid,
  .belief-grid,
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .principles { position: static; }
}

@media (max-width: 720px) {
  .site-header { height: 70px; padding: 0 16px; }
  .brand small { display: none; }
  .brand strong { font-size: 17px; }
  .container { width: min(100% - 32px, 1220px); }
  .snap-root { scroll-padding-top: 70px; }
  .section { min-height: auto; padding: 54px 0; }
  h1 {
    font-size: 41px;
    line-height: 1.15;
    overflow-wrap: anywhere;
  }
  h2 { font-size: 34px; }
  .hero-text,
  .section-head p,
  .about-hero p,
  .why-hero p {
    font-size: 17px;
    overflow-wrap: anywhere;
  }
  .hero-grid { gap: 34px; }
  .hero-actions { gap: 12px; }
  .btn {
    min-height: 46px;
    padding: 0 18px;
  }
  .hero-board {
    min-height: 330px;
    padding: 20px;
    overflow: hidden;
  }
  .board-items span {
    min-height: 64px;
    padding: 0 18px;
    font-size: 18px;
  }
  .hero-orbit {
    width: 100%;
    aspect-ratio: auto;
    display: grid;
    gap: 12px;
    justify-self: stretch;
    padding: 18px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.68);
  }
  .orbit-ring { display: none; }
  .orbit-core,
  .hero-node,
  .node-bottom-note {
    position: static;
    width: auto;
    height: auto;
    min-width: 0;
    transform: none;
  }
  .orbit-core {
    display: flex;
    justify-content: center;
    min-height: 88px;
    border-radius: 18px;
  }
  .hero-node::after { display: none; }
  .service-orbit,
  .two-col,
  .case-grid,
  .belief-grid,
  .contact-cards,
  .stats-row,
  .benefit-matrix { grid-template-columns: 1fr; }
  .service-orbit { display: grid; }
  .orbit-center,
  .orbit-card { grid-column: auto !important; grid-row: auto !important; border-radius: 14px; }
  .service-card dl { grid-template-columns: 1fr; }
  .service-card dl div,
  .service-card dl div:nth-child(odd) { border-right: 0; border-bottom: 1px solid var(--line); }
  .service-card dl div:last-child { border-bottom: 0; }
  .timeline::before { left: 20px; }
  .timeline article { margin-left: 58px; padding: 20px; }
  .timeline article > span { left: -58px; width: 42px; height: 42px; font-size: 18px; }
  .timeline ul { columns: 1; }
  .compare-table { display: block; overflow-x: auto; white-space: nowrap; }
  .contact-list p { grid-template-columns: 24px 1fr; }
  .contact-list button,
  .contact-list a { grid-column: 2; width: fit-content; }
}