:root {
  --ink: #171a1b;
  --text: #303638;
  --muted: #677174;
  --line: #d7dcd9;
  --paper: #ffffff;
  --wash: #f2f4f1;
  --charcoal: #191d1e;
  --teal: #08786f;
  --teal-dark: #07564f;
  --yellow: #d5a31a;
  --coral: #bf5e49;
  --green: #16704b;
  --red: #a12b25;
  --shadow: 0 24px 70px rgba(25, 29, 30, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #f7f8f6;
  color: var(--text);
  font: 16px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
h1, h2, h3, p, figure { margin-top: 0; }
mark { color: inherit; }

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 80px;
  padding: 0 max(28px, calc((100vw - 1320px) / 2));
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(215, 220, 217, .86);
  backdrop-filter: blur(14px);
}
.brand, .footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  white-space: nowrap;
}
.topbar .brand { font-size: 23px; font-weight: 850; }
.brand-logo { width: 42px; height: 42px; flex: 0 0 42px; }
.nav {
  display: flex;
  align-items: center;
  gap: 36px;
  color: #30383a;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
}
.nav a { position: relative; flex: 0 0 auto; padding: 28px 0 26px; }
.nav a::after {
  position: absolute;
  right: 0;
  bottom: 19px;
  left: 0;
  height: 2px;
  background: var(--teal);
  content: "";
  opacity: 0;
  transform: scaleX(.4);
  transition: opacity .2s ease, transform .2s ease;
}
.nav a:hover, .nav a:focus-visible, .nav a[aria-current="page"] { color: var(--teal-dark); }
.nav a:hover::after, .nav a:focus-visible::after, .nav a[aria-current="page"]::after { opacity: 1; transform: scaleX(1); }
.nav a.nav-cta { min-height: 38px; padding: 8px 15px; border: 1px solid #8dc7c9; border-radius: 5px; background: #d9f1f0; color: var(--ink); }
.nav a.nav-cta::after { display: none; }
.nav a.nav-cta:hover, .nav a.nav-cta:focus-visible { border-color: #8dc7c9; background: #b9e5e3; color: var(--ink); }

.wrap { width: min(1200px, calc(100% - 56px)); margin-inline: auto; }
.wide-wrap { width: min(1360px, calc(100% - 64px)); margin-inline: auto; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--teal);
  border-radius: 5px;
  background: var(--teal);
  color: #fff;
  font-weight: 750;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.btn:hover, .btn:focus-visible { background: var(--teal-dark); border-color: var(--teal-dark); transform: translateY(-1px); }
.btn.secondary { border-color: var(--teal-dark); background: transparent; color: var(--teal-dark); }
.btn.secondary:hover, .btn.secondary:focus-visible { background: #e5f0ec; border-color: var(--teal-dark); color: var(--teal-dark); }
.btn.requirement-cta,
.btn.secondary.requirement-cta { border-color: #8dc7c9; background: #d9f1f0; color: var(--ink); }
.btn.requirement-cta:hover,
.btn.requirement-cta:focus-visible,
.btn.secondary.requirement-cta:hover,
.btn.secondary.requirement-cta:focus-visible { border-color: #8dc7c9; background: #b9e5e3; color: var(--ink); }
.btn:disabled { opacity: .55; cursor: wait; transform: none; }
.text-link { color: var(--teal-dark); font-weight: 750; }
.text-link:hover, .text-link:focus-visible { text-decoration: underline; text-underline-offset: 5px; }

.hero {
  position: relative;
  padding: 154px 28px 64px;
  overflow: hidden;
  background: #f6f5f0;
  border-bottom: 1px solid var(--line);
}
.hero::before {
  position: absolute;
  top: 80px;
  left: max(28px, calc((100vw - 1320px) / 2));
  width: 72px;
  height: 8px;
  background: var(--yellow);
  content: "";
}
.hero-inner {
  width: min(1320px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(560px, .94fr) minmax(500px, 1.06fr);
  gap: 40px;
  align-items: center;
}
.hero-copy { min-width: 0; }
.product-kind {
  margin-bottom: 22px;
  color: var(--teal-dark);
  font-size: 15px;
  font-weight: 800;
}
h1 {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--ink);
  font-size: 60px;
  line-height: 1.08;
  font-weight: 850;
  letter-spacing: 0;
}
.hero-line { display: block; color: var(--ink); }
.hero-brand { color: var(--teal-dark); }
.hero-with, .hero-outcome { white-space: nowrap; }
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 34px;
  max-width: 720px;
  margin-top: 32px;
}
.hero-proof p {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 15px;
}
.hero-proof p + p { padding: 0; border: 0; }
.hero-proof i {
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  background: var(--yellow);
}
.hero-proof p + p i { background: var(--teal); }
.hero-proof strong { color: var(--ink); font-size: 21px; line-height: 1.3; }
.hero-proof kbd { min-width: 26px; height: 26px; font-size: 16px; vertical-align: 1px; }
.hero-details {
  max-width: 720px;
  margin-top: 38px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.hero-lead {
  max-width: 700px;
  margin-bottom: 28px;
  color: #364043;
  font-size: 22px;
  line-height: 1.8;
}
.hero-media {
  min-width: 0;
  margin: 0 -22px 0 0;
}
.hero-image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.pain {
  padding: 92px 0 96px;
  background: #edf1ee;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}
#pain, #operation, #capability { scroll-margin-top: 88px; }
.pain-heading {
  margin-bottom: 42px;
  padding-top: 26px;
  border-top: 1px solid #aebbb6;
}
.pain-title {
  max-width: 920px;
  margin: 0;
  color: var(--ink);
  font-size: 46px;
  line-height: 1.22;
  font-weight: 820;
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}
.pain-card {
  min-width: 0;
  min-height: 246px;
  margin: 0;
  padding: 26px 28px 28px;
  grid-column: span 2;
  border: 1px solid #cbd5d0;
  border-top: 4px solid #7e9c93;
  border-radius: 5px;
  background: rgba(255, 255, 255, .82);
  transition: border-color .22s ease, background .22s ease, box-shadow .22s ease;
}
.pain-card-primary {
  min-height: 268px;
  grid-column: span 3;
  border-top-color: var(--teal);
}
.pain-card:hover {
  border-color: #8eaaa1;
  background: #fff;
  box-shadow: 0 14px 34px rgba(31, 54, 47, .08);
}
.pain-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 38px;
  color: #74817d;
}
.pain-card-top span {
  font-size: 11px;
  line-height: 1;
  font-weight: 780;
  font-variant-numeric: tabular-nums;
  letter-spacing: .08em;
}
.pain-card-top svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--teal-dark);
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.pain-audience {
  margin: 0 0 10px;
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 800;
}
.pain-card h3 {
  max-width: 460px;
  margin: 0 0 13px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.4;
  font-weight: 800;
}
.pain-card > p:last-child {
  max-width: 510px;
  margin: 0;
  color: #5b6763;
  font-size: 15px;
  line-height: 1.75;
}

.operation { padding: 92px 0 94px; background: #f8f7f2; border-bottom: 1px solid var(--line); }
.operation-intro {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 32px;
  margin: 0 0 38px;
  padding-top: 26px;
  border-top: 1px solid #b7c0bc;
  text-align: left;
}
.story-bridge {
  margin: 0;
  color: var(--ink);
  font-size: 44px;
  line-height: 1.25;
  font-weight: 820;
}
.story-detail {
  margin: 0 0 5px;
  padding-left: 24px;
  border-left: 3px solid var(--yellow);
  color: #52605c;
  font-size: 18px;
  line-height: 1.75;
}
.story-detail strong { color: var(--ink); font-weight: 800; }
.story-detail kbd { min-width: 25px; height: 25px; padding-inline: 6px; border-bottom-width: 2px; font-size: 15px; }
.operation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: start;
  border-top: 1px solid #b7c0bc;
  border-bottom: 1px solid #b7c0bc;
}
.operation-demo {
  margin: 0;
  padding: 30px 32px 30px 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.operation-demo + .operation-demo { padding-right: 0; padding-left: 32px; border-left: 1px solid #c7cfcb; }
.operation-visual { position: relative; aspect-ratio: 6 / 5; overflow: hidden; border: 1px solid #c4ccc8; background: #e7eae8; box-shadow: 0 14px 34px rgba(25, 40, 35, .08); }
.operation-visual img { width: 100%; height: 100%; object-fit: contain; }
.operation-poster { position: absolute; inset: 0; z-index: 0; display: block; object-fit: cover !important; }
.operation-visual video {
  position: relative;
  z-index: 1;
  inset: auto;
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}
.manual-video-playback .operation-visual video { display: none; }
.manual-video-playback .operation-visual video.is-mobile-playing { display: block; }
.operation-visual::after { display: none; }
.video-replay {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(23, 26, 27, .2);
  border-radius: 20px;
  background: rgba(255, 255, 255, .94);
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 750;
  cursor: pointer;
  box-shadow: 0 5px 18px rgba(23, 26, 27, .14);
}
.video-replay span { font-size: 19px; line-height: 1; }
.video-replay:hover, .video-replay:focus-visible { border-color: var(--teal); background: #fff; outline: 0; }
.restore-visual { background: #090d0e; }
.backup-visual::after {
  position: absolute;
  top: 86.8%;
  left: 38.2%;
  width: 58px;
  height: 58px;
  border: 3px solid var(--yellow);
  border-radius: 50%;
  content: "";
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(.65);
}
.restore-visual::after {
  position: absolute;
  top: 77.5%;
  left: 12.6%;
  width: 3px;
  height: 20px;
  background: #d9f2f0;
  content: "";
  opacity: 0;
  pointer-events: none;
}
.operation-demo.is-visible .backup-visual::after { animation: backup-pulse 1.2s .65s ease-out both; }
.operation-demo.is-visible .restore-visual::after { animation: restore-caret 1s .7s steps(1, end) 3 both; }
@keyframes backup-pulse {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(.65); }
  30% { opacity: .9; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.5); }
}
@keyframes restore-caret {
  0%, 48% { opacity: 1; }
  49%, 100% { opacity: 0; }
}
.operation-demo figcaption {
  padding: 15px 0 0;
  color: var(--teal-dark);
  font-size: 14px;
  line-height: 1.5;
  font-weight: 800;
}
kbd {
  display: inline-grid;
  place-items: center;
  min-width: 32px;
  height: 31px;
  padding: 0 8px;
  border: 1px solid #7e8987;
  border-bottom-width: 3px;
  border-radius: 4px;
  background: #fff;
  color: var(--teal-dark);
  font: 800 20px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  vertical-align: 2px;
}
.operation-proof {
  margin: 24px 0 0;
  color: #68736f;
  font-size: 14px;
  line-height: 1.6;
  text-align: right;
}
.capability {
  padding: 94px 0 98px;
  overflow: hidden;
  background: #e3eae6;
  border-bottom: 1px solid #c7d0cb;
  color: var(--text);
}
.capability-heading {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 32px;
  margin-bottom: 38px;
  padding-top: 26px;
  border-top: 1px solid #aab8b1;
}
.capability-statement {
  max-width: 760px;
  margin: 0;
  color: var(--ink);
  font-size: 46px;
  line-height: 1.24;
  font-weight: 820;
}
.capability-statement span { color: var(--teal-dark); }
.capability-intro {
  align-self: center;
  margin: 0 0 5px;
  padding-left: 24px;
  border-left: 3px solid var(--yellow);
  color: #52605c;
  font-size: 18px;
  line-height: 1.75;
}
.capability-intro span { display: block; }
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid #b3c0ba;
  border-left: 1px solid #b3c0ba;
}
.capability-grid article {
  min-width: 0;
  min-height: 196px;
  padding: 26px 28px 28px;
  border-right: 1px solid #b3c0ba;
  border-bottom: 1px solid #b3c0ba;
  background: rgba(255, 255, 255, .28);
}
.capability-grid article > span {
  display: block;
  margin-bottom: 34px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: .08em;
}
.capability-grid strong {
  display: block;
  margin-bottom: 9px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.45;
  font-weight: 780;
}
.capability-grid p {
  max-width: 320px;
  margin: 0;
  color: #596660;
  font-size: 14px;
  line-height: 1.75;
}
.capability-methods span { display: block; }
.capability-methods span + span { margin-top: 3px; }
.capability-methods b { color: inherit; font-weight: 780; }
footer { padding: 22px 28px; background: #0f1213; color: #939d99; }
.footer-inner.footer-minimal {
  width: min(1200px, 100%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  font-size: 13px;
}
.footer-minimal .footer-legal { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 18px; }
.footer-minimal .footer-legal a { color: #aab4b0; }
.footer-minimal .footer-legal a:hover, .footer-minimal .footer-legal a:focus-visible { color: #fff; }

.js .reveal { opacity: 0; transform: translateY(18px); }
.js .reveal.is-visible { animation: reveal-in .7s var(--delay, 0ms) cubic-bezier(.2, .7, .2, 1) both; }
@keyframes reveal-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr) minmax(410px, .9fr); gap: 30px; }
  h1 { font-size: 52px; }
  .hero-lead { font-size: 18px; }
  .capability-heading { gap: 28px; }
  .pain-title, .capability-statement { font-size: 41px; }
  .pain-card { padding-inline: 24px; }
  .pain-card h3 { font-size: 21px; }
  .operation-intro { gap: 28px; }
  .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 880px) {
  .topbar { position: static; align-items: flex-start; flex-direction: column; padding: 14px 28px 10px; }
  .nav { width: 100%; gap: 24px; overflow-x: auto; }
  .nav a { padding: 4px 0 8px; }
  .nav a::after { bottom: 3px; }
  .nav a.nav-cta { min-height: 34px; padding: 5px 12px; }
  .hero { padding-top: 58px; }
  .hero::before { top: 0; width: 42%; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); max-width: 100%; }
  .hero-copy { max-width: 680px; }
  h1 { font-size: 52px; }
  .hero-details { margin-top: 42px; }
  .hero-lead { max-width: 680px; }
  .hero-media { width: min(680px, 100%); margin: 10px auto -10px; }
  .pain { padding-block: 72px; }
  .capability-heading { grid-template-columns: 1fr; align-items: start; gap: 22px; }
  .capability-intro { max-width: 620px; }
  .pain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pain-card, .pain-card-primary { min-height: 240px; grid-column: span 1; }
  .pain-card:last-child { grid-column: 1 / -1; }
  .operation-intro { grid-template-columns: 1fr; gap: 24px; }
  .operation-grid { grid-template-columns: 1fr; }
  .operation-demo { padding: 28px 0; }
  .operation-demo + .operation-demo { padding-left: 0; border-top: 1px solid #c7cfcb; border-left: 0; }
  .operation-proof { text-align: left; }
  .capability { padding-block: 76px; }
  .footer-inner.footer-minimal { gap: 20px; }
}

@media (max-width: 580px) {
  body { font-size: 15px; }
  .wrap, .wide-wrap { width: min(100% - 36px, 1200px); }
  .topbar { padding-inline: 18px; }
  .topbar .brand { font-size: 20px; }
  .brand-logo { width: 38px; height: 38px; flex-basis: 38px; }
  .nav { gap: 20px; font-size: 13px; }
  .nav a.nav-cta { padding-inline: 10px; }
  .hero { padding: 42px 18px 34px; }
  .product-kind { margin-bottom: 17px; font-size: 13px; }
  h1 { font-size: 44px; }
  .hero-with, .hero-outcome { display: block; white-space: normal; }
  .hero-proof { width: 100%; min-width: 0; gap: 12px 24px; margin-top: 28px; }
  .hero-proof p { min-width: 0; gap: 9px; padding: 0; }
  .hero-proof p + p { padding: 0; border: 0; }
  .hero-proof strong { font-size: 18px; white-space: nowrap; }
  .hero-details { margin-top: 32px; padding-top: 24px; }
  .hero-lead { width: calc(100% - 12px); max-width: calc(100% - 12px); margin-bottom: 22px; font-size: 17px; line-height: 1.75; overflow-wrap: anywhere; }
  .hero .actions { gap: 15px; }
  .hero .btn { flex: 1 1 160px; min-height: 46px; }
  .hero .text-link { flex: 1 1 130px; text-align: center; }
  .hero-media { width: calc(100% - 24px); margin: 12px auto -4px; }
  .pain { padding: 56px 0 60px; }
  .pain-heading { margin-bottom: 28px; padding-top: 20px; }
  .pain-title { font-size: 34px; }
  .pain-grid { grid-template-columns: 1fr; gap: 12px; }
  .pain-card, .pain-card-primary, .pain-card:last-child { min-height: 0; padding: 22px 20px 24px; grid-column: auto; }
  .pain-card-top { margin-bottom: 26px; }
  .pain-card-top svg { width: 24px; height: 24px; }
  .pain-card h3 { margin-bottom: 9px; font-size: 20px; }
  .operation { padding: 62px 0 66px; }
  .operation-intro { gap: 20px; margin-bottom: 28px; padding-top: 22px; }
  .story-bridge { font-size: 28px; }
  .story-detail { padding-left: 16px; font-size: 16px; }
  .operation-demo { position: relative; }
  .operation-visual { position: relative; aspect-ratio: 6 / 5; box-shadow: none; isolation: isolate; }
  .operation-visual video { position: relative; inset: auto; }
  .operation-demo figcaption { padding-top: 12px; }
  .operation-proof strong { display: block; margin: 3px 0 0; }
  .capability { padding: 62px 0; }
  .capability-heading { gap: 18px; margin-bottom: 34px; padding-top: 22px; }
  .capability-statement { font-size: 35px; }
  .capability-intro { font-size: 15px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article { min-height: 0; padding: 22px 20px 24px; }
  .capability-grid article > span { margin-bottom: 23px; }
  footer { padding-inline: 18px; }
  .footer-inner.footer-minimal { align-items: flex-start; flex-direction: column; gap: 9px; }
  .footer-minimal .footer-legal { justify-content: flex-start; gap: 7px 15px; }
}

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