:root {
  --ink: #15251f;
  --muted: #5f6d67;
  --quiet: #80908a;
  --paper: #f7f9f7;
  --white: #ffffff;
  --line: #dce6e1;
  --green: #0d4a42;
  --green-deep: #083831;
  --green-soft: #dcefe7;
  --mint: #eaf5ef;
  --coral: #e46f46;
  --coral-soft: #fff0e9;
  --yellow: #edd39b;
  --shadow: 0 24px 70px rgba(13, 74, 66, 0.12);
  --radius: 8px;
  --shell: min(1180px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--green);
  border-radius: var(--radius);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: var(--shell);
  margin: 0 auto;
}

.site-header {
  position: relative;
  z-index: 10;
  background: rgba(247, 249, 247, 0.96);
  border-bottom: 1px solid rgba(13, 74, 66, 0.1);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-size: 17px;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.brand-copy small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.3;
  letter-spacing: 0.08em;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  color: #41534c;
  font-size: 14px;
}

.main-nav a {
  position: relative;
  padding: 8px 0;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  content: "";
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 17px;
  color: var(--green);
  border: 1px solid rgba(13, 74, 66, 0.35);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  transition:
    color 180ms ease,
    background 180ms ease;
}

.header-action:hover,
.header-action:focus-visible {
  color: var(--white);
  background: var(--green);
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--mint);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(13, 74, 66, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 74, 66, 0.07) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to right, #000, transparent 82%);
}

.hero-inner {
  position: relative;
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(410px, 0.97fr);
  align-items: center;
  gap: 84px;
  padding: 70px 0 84px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(228, 111, 70, 0.12);
}

.hero h1 {
  max-width: 670px;
  margin: 0;
  color: var(--green-deep);
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: 76px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
  max-width: 620px;
  margin-top: 22px;
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 34px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0;
}

.hero-summary {
  max-width: 610px;
  margin: 28px 0 0;
  color: #43574f;
  font-size: 16px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--green);
  box-shadow: 0 12px 28px rgba(13, 74, 66, 0.2);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--green-deep);
}

.button-secondary {
  color: var(--green);
  border-color: rgba(13, 74, 66, 0.24);
  background: rgba(255, 255, 255, 0.64);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--white);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 600px;
  margin: 48px 0 0;
  padding: 0;
  border-top: 1px solid rgba(13, 74, 66, 0.18);
}

.hero-facts div {
  padding: 18px 18px 0 0;
}

.hero-facts div + div {
  padding-left: 18px;
  border-left: 1px solid rgba(13, 74, 66, 0.14);
}

.hero-facts dt {
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
}

.hero-facts dd {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.product-stage {
  position: relative;
  z-index: 2;
  min-height: 558px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 36px 42px 0;
  border: 1px solid rgba(13, 74, 66, 0.12);
  border-radius: var(--radius);
  background: #edf6f1;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.product-stage::before {
  position: absolute;
  top: -160px;
  right: -130px;
  width: 360px;
  height: 360px;
  content: "";
  border: 1px solid rgba(13, 74, 66, 0.15);
  border-radius: 50%;
}

.stage-label {
  position: absolute;
  top: 22px;
  left: 24px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.phone {
  position: relative;
  width: min(286px, 68%);
  padding: 10px 10px 0;
  border: 1px solid rgba(15, 38, 31, 0.22);
  border-bottom: 0;
  border-radius: 32px 32px 0 0;
  background: #14221d;
  box-shadow: 0 24px 60px rgba(8, 56, 49, 0.22);
}

.phone::after {
  position: absolute;
  right: 8px;
  bottom: 0;
  left: 8px;
  height: 122px;
  content: "";
  pointer-events: none;
  background: linear-gradient(to top, rgba(247, 249, 247, 0.98), transparent);
}

.phone img {
  width: 100%;
  height: 474px;
  object-fit: cover;
  object-position: top;
  border-radius: 24px 24px 0 0;
}

.phone-speaker {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 50%;
  width: 76px;
  height: 18px;
  border-radius: 0 0 12px 12px;
  background: #14221d;
  transform: translateX(-50%);
}

.stage-note {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 176px;
  padding: 11px 14px;
  border: 1px solid rgba(13, 74, 66, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 30px rgba(13, 74, 66, 0.1);
  backdrop-filter: blur(10px);
}

.stage-note-top {
  top: 96px;
  left: 18px;
}

.stage-note-bottom {
  right: 14px;
  bottom: 68px;
}

.stage-note > span:last-child {
  display: grid;
  line-height: 1.45;
}

.stage-note strong {
  color: var(--ink);
  font-size: 12px;
}

.stage-note small {
  color: var(--muted);
  font-size: 10px;
}

.note-mark {
  color: var(--coral);
  font-family: Georgia, serif;
  font-size: 18px;
  font-style: italic;
}

.capability-strip {
  color: var(--white);
  background: var(--green);
}

.capability-list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 64px;
  overflow-x: auto;
  scrollbar-width: none;
}

.capability-list::-webkit-scrollbar {
  display: none;
}

.capability-list span {
  flex: 0 0 auto;
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.capability-list span::before {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 10px;
  content: "";
  border-radius: 50%;
  background: var(--yellow);
  vertical-align: 2px;
}

.section {
  padding: 112px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  align-items: end;
  gap: 64px;
  margin-bottom: 52px;
}

.section-heading.compact {
  margin-bottom: 44px;
}

.section-heading h2,
.scenario-copy h2,
.info-intro h2,
.contact-band h2 {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: 0;
}

.section-heading > p,
.scenario-copy > p,
.info-intro > p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.services {
  background: var(--white);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-item {
  min-height: 250px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease;
}

.service-item:hover {
  background: var(--mint);
}

.service-number {
  color: var(--coral);
  font-family: Georgia, serif;
  font-size: 14px;
  font-style: italic;
}

.service-item h3 {
  margin: 30px 0 14px;
  color: var(--green-deep);
  font-size: 19px;
  line-height: 1.4;
}

.service-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.scenarios {
  background: var(--mint);
}

.scenario-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  align-items: center;
  gap: 84px;
}

.scenario-copy > p {
  max-width: 560px;
  margin-top: 24px;
}

.scenario-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  background: rgba(13, 74, 66, 0.12);
  border: 1px solid rgba(13, 74, 66, 0.12);
}

.scenario-list li {
  display: grid;
  gap: 4px;
  padding: 18px;
  background: var(--mint);
}

.scenario-list span {
  color: var(--green-deep);
  font-size: 14px;
  font-weight: 800;
}

.scenario-list small {
  color: var(--muted);
  font-size: 12px;
}

.workflow-board {
  padding: 34px;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--green);
  box-shadow: var(--shadow);
}

.board-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.board-heading span {
  font-size: 20px;
  font-weight: 800;
}

.board-heading small {
  align-self: end;
  color: rgba(255, 255, 255, 0.62);
  font-size: 11px;
}

.flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.flow-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.flow-index {
  width: 38px;
  height: 38px;
  display: grid;
  flex: 0 0 38px;
  place-items: center;
  color: var(--green-deep);
  border-radius: 50%;
  background: var(--yellow);
  font-family: Georgia, serif;
  font-size: 17px;
  font-style: italic;
}

.flow-list div {
  display: grid;
  gap: 3px;
}

.flow-list strong {
  font-size: 15px;
}

.flow-list small {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.process {
  background: var(--white);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-grid li {
  position: relative;
  padding-top: 24px;
  border-top: 2px solid var(--line);
}

.process-grid li::before {
  position: absolute;
  top: -5px;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  border-radius: 50%;
  background: var(--coral);
}

.process-grid > li > span {
  color: var(--quiet);
  font-family: Georgia, serif;
  font-size: 13px;
  font-style: italic;
}

.process-grid h3 {
  margin: 26px 0 10px;
  color: var(--green-deep);
  font-size: 18px;
}

.process-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.platform-info {
  background: #f0f3f0;
}

.info-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 92px;
}

.info-intro > p {
  margin-top: 24px;
}

.info-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.info-actions a {
  padding-bottom: 4px;
  color: var(--green);
  border-bottom: 1px solid rgba(13, 74, 66, 0.35);
  font-size: 13px;
  font-weight: 700;
}

.info-table {
  margin: 0;
  border-top: 1px solid rgba(13, 74, 66, 0.2);
}

.info-table div {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 26px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(13, 74, 66, 0.14);
}

.info-table dt {
  color: var(--quiet);
  font-size: 12px;
  font-weight: 700;
}

.info-table dd {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
}

.info-table a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-band {
  color: var(--white);
  background: var(--green-deep);
}

.contact-inner {
  min-height: 310px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
  padding: 56px 0;
}

.contact-band .section-kicker {
  color: var(--yellow);
}

.contact-band h2 {
  color: var(--white);
}

.contact-band p:not(.section-kicker) {
  max-width: 540px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.contact-actions {
  display: grid;
  justify-items: start;
  gap: 14px;
  flex: 0 0 auto;
}

.button-light {
  color: var(--green-deep);
  background: var(--white);
}

.text-link-light {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer {
  padding: 46px 0 26px;
  background: var(--white);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 13px;
}

.footer-brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.footer-brand div {
  display: grid;
}

.footer-brand strong {
  color: var(--green-deep);
  font-size: 15px;
}

.footer-brand span {
  color: var(--quiet);
  font-size: 11px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 24px;
  color: var(--muted);
  font-size: 12px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--green);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-top: 22px;
  color: var(--quiet);
  font-size: 11px;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-separator {
  margin: 0 8px;
}

.legal-page {
  background: var(--white);
}

.legal-header {
  border-bottom: 1px solid var(--line);
}

.legal-main {
  max-width: 860px;
  margin: 0 auto;
  padding: 72px 24px 112px;
}

.legal-main h1 {
  margin: 0;
  color: var(--green-deep);
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: 54px;
  line-height: 1.25;
}

.legal-meta {
  margin: 14px 0 44px;
  color: var(--quiet);
  font-size: 12px;
}

.legal-main h2 {
  margin: 38px 0 12px;
  color: var(--ink);
  font-size: 20px;
}

.legal-main p,
.legal-main li {
  color: #45574f;
  font-size: 14px;
  line-height: 1.9;
}

.legal-main ul {
  padding-left: 22px;
}

.legal-notice {
  margin: 30px 0;
  padding: 18px 20px;
  color: #3b5047;
  border-left: 3px solid var(--coral);
  background: var(--coral-soft);
  font-size: 13px;
}

@media (max-width: 1080px) {
  .main-nav {
    gap: 22px;
  }

  .hero-inner {
    gap: 40px;
  }

  .service-item {
    padding: 24px;
  }

  .scenario-layout,
  .info-layout {
    gap: 52px;
  }
}

@media (max-width: 880px) {
  :root {
    --shell: min(100% - 32px, 720px);
  }

  .header-inner {
    min-height: 68px;
  }

  .main-nav {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 56px;
    padding: 62px 0 52px;
  }

  .hero h1 {
    font-size: 64px;
  }

  .hero h1 span {
    font-size: 29px;
  }

  .product-stage {
    min-height: 540px;
    width: min(100%, 560px);
    margin: 0 auto;
  }

  .section {
    padding: 84px 0;
  }

  .section-heading,
  .scenario-layout,
  .info-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 42px;
  }

  .contact-inner {
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 36px;
  }

  .footer-top,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .brand-copy strong {
    font-size: 15px;
  }

  .brand-copy small,
  .header-action span {
    display: none;
  }

  .header-action {
    min-height: 38px;
    padding: 0 12px;
    font-size: 12px;
  }

  .hero-inner {
    gap: 32px;
    padding-top: 40px;
    padding-bottom: 24px;
  }

  .hero h1 {
    font-size: 50px;
    letter-spacing: 0;
  }

  .hero h1 span {
    font-size: 23px;
  }

  .hero-summary {
    font-size: 14px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: row;
  }

  .hero-actions .button {
    min-height: 46px;
    padding: 0 12px;
    flex: 1;
    font-size: 13px;
  }

  .hero-facts {
    display: none;
  }

  .product-stage {
    min-height: 200px;
    height: 200px;
    padding: 22px 12px 0;
  }

  .phone {
    width: 164px;
    padding: 7px 7px 0;
    border-radius: 22px 22px 0 0;
  }

  .phone img {
    height: 260px;
    border-radius: 16px 16px 0 0;
  }

  .stage-note {
    min-width: 0;
    padding: 8px 9px;
  }

  .stage-note-top {
    top: 42px;
    left: 6px;
  }

  .stage-note-bottom {
    right: 6px;
    bottom: 30px;
  }

  .stage-note small {
    display: none;
  }

  .stage-label {
    top: 10px;
    left: 12px;
    font-size: 9px;
  }

  .phone-speaker {
    top: 11px;
    width: 48px;
    height: 13px;
  }

  .capability-list {
    justify-content: flex-start;
    min-height: 58px;
  }

  .section {
    padding: 72px 0;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-heading h2,
  .scenario-copy h2,
  .info-intro h2,
  .contact-band h2 {
    font-size: 34px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-item {
    min-height: 0;
  }

  .scenario-list {
    grid-template-columns: 1fr;
  }

  .workflow-board {
    padding: 24px;
  }

  .board-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-grid h3 {
    margin-top: 18px;
  }

  .info-table div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .contact-actions,
  .button-light {
    width: 100%;
  }

  .footer-links {
    gap: 16px;
  }

  .footer-bottom {
    line-height: 1.8;
  }

  .footer-separator {
    display: block;
    height: 4px;
    visibility: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}