:root {
  --ink: #263039;
  --muted: #66747f;
  --line: #d9e3e0;
  --paper: #f7f9f8;
  --white: #ffffff;
  --blush: #f3c6c8;
  --rose: #b84e62;
  --jade: #1f8a70;
  --cyan: #1687a7;
  --sun: #d5a640;
  --shadow: 0 18px 50px rgba(35, 48, 57, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial,
    sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: 100%;
  max-width: 100vw;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(217, 227, 224, 0.78);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 100%;
  min-width: 0;
  font-weight: 700;
}

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

.brand span {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.brand-name-short {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2.4vw, 30px);
}

.nav-links {
  display: flex;
  align-items: center;
  max-width: 100%;
  gap: clamp(14px, 2.4vw, 28px);
  color: #40505b;
  font-size: 15px;
}

.nav-links a {
  position: relative;
  padding: 6px 0;
}

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

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

.language-switch {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
}

.language-switch button {
  min-width: 42px;
  height: 32px;
  padding: 0 10px;
  color: #40505b;
  border: 0;
  border-radius: 6px;
  background: transparent;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.language-switch button[aria-pressed="true"] {
  color: var(--white);
  background: var(--ink);
}

.language-switch button:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: min(780px, 84svh);
  display: flex;
  align-items: center;
  overflow: hidden;
  background-image: url("assets/hero-visual.png");
  background-size: cover;
  background-position: center right;
}

.hero__surface {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(247, 249, 248, 0.96) 0%, rgba(247, 249, 248, 0.82) 42%, rgba(247, 249, 248, 0.2) 72%),
    rgba(255, 255, 255, 0.12);
}

.hero__content {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 72px 0 64px;
}

.hero__logo {
  width: 96px;
  height: 96px;
  object-fit: contain;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--jade);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.contact h2 {
  margin: 0;
  color: #1f2a32;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(42px, 7vw, 82px);
  overflow-wrap: anywhere;
}

.hero h1 span {
  display: block;
}

.hero__lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: #44535f;
  font-size: clamp(18px, 2vw, 22px);
  overflow-wrap: anywhere;
}

.hero__lead span {
  display: block;
  max-width: 100%;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

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

.button--primary {
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 14px 30px rgba(35, 48, 57, 0.22);
}

.button--ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
  border-color: var(--line);
}

.button--dark {
  background: #111a20;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  width: min(720px, 100%);
  margin: 48px 0 0;
}

.hero__stats div {
  min-height: 116px;
  padding: 20px;
  border-top: 3px solid var(--jade);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 14px 35px rgba(35, 48, 57, 0.08);
}

.hero__stats dt {
  margin: 0;
  color: #1f2a32;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
}

.hero__stats dd {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: clamp(72px, 9vw, 118px) 0;
  background: var(--paper);
}

.section--intro {
  padding: clamp(42px, 6vw, 70px) 0;
  background: var(--white);
}

.section--tint {
  background:
    linear-gradient(90deg, rgba(243, 198, 200, 0.24), rgba(31, 138, 112, 0.12)),
    #f4f7f5;
}

.section__inner,
.contact__inner {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1.15fr);
  gap: clamp(28px, 7vw, 88px);
  align-items: start;
}

.intro-grid h2,
.section h2,
.contact h2 {
  font-size: clamp(30px, 4.2vw, 52px);
}

.intro-grid p:last-child {
  margin: 4px 0 0;
  color: #40505b;
  font-size: 19px;
}

.section__heading {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}

.section__heading--left {
  margin: 0;
  text-align: left;
}

.section__heading p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.business-card {
  min-height: 430px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 36px rgba(35, 48, 57, 0.07);
}

.business-card:nth-child(2) {
  border-top: 4px solid var(--cyan);
}

.business-card:nth-child(3) {
  border-top: 4px solid var(--sun);
}

.business-card:first-child {
  border-top: 4px solid var(--rose);
}

.business-card__icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  color: var(--ink);
  border-radius: 50%;
  background: #f1f5f4;
}

.business-card__icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.business-card h3,
.capability-item h3 {
  margin: 0;
  color: #1f2a32;
  font-size: 22px;
  line-height: 1.25;
}

.business-card p {
  margin: 16px 0 0;
  color: var(--muted);
}

.business-card ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  color: #3f4c55;
  list-style: none;
}

.business-card li {
  position: relative;
  padding-left: 18px;
}

.business-card li::before {
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 50%;
  background: var(--jade);
}

.capabilities {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(420px, 1.22fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: start;
}

.capability-list {
  display: grid;
  gap: 14px;
}

.capability-item {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  min-height: 132px;
  padding: 24px;
  border: 1px solid rgba(217, 227, 224, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
}

.capability-item span {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: var(--white);
  border-radius: 50%;
  background: var(--jade);
  font-weight: 800;
}

.capability-item p {
  margin: 10px 0 0;
  color: var(--muted);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
}

.process-list li {
  position: relative;
  min-height: 190px;
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}

.process-list li::before {
  counter-increment: process;
  content: "0" counter(process);
  position: absolute;
  right: 18px;
  bottom: -10px;
  color: rgba(31, 138, 112, 0.12);
  font-size: 78px;
  font-weight: 800;
  line-height: 1;
}

.process-list span {
  display: block;
  color: #1f2a32;
  font-size: 22px;
  font-weight: 800;
}

.process-list p {
  position: relative;
  margin: 18px 0 0;
  color: var(--muted);
}

.contact {
  padding: clamp(64px, 8vw, 96px) 0;
  color: var(--white);
  background: #223039;
}

.contact__inner {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto;
  gap: 28px;
  align-items: center;
}

.contact .eyebrow {
  color: var(--blush);
}

.contact h2 {
  color: var(--white);
  max-width: 820px;
}

.contact h2 + p {
  max-width: 760px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.contact-address {
  display: grid;
  gap: 6px;
  max-width: 760px;
  margin-top: 26px;
  padding: 16px 18px;
  border-left: 3px solid var(--blush);
  background: rgba(255, 255, 255, 0.08);
  font-style: normal;
}

.contact-address span {
  color: var(--blush);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-address strong {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 24px clamp(18px, 4vw, 64px);
  color: #60707b;
  background: #f0f4f2;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  max-width: 980px;
}

.site-footer strong {
  color: var(--ink);
}

.site-footer a {
  white-space: nowrap;
}

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

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .header-actions {
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
  }

  .nav-links {
    flex: 1 1 auto;
    min-width: 0;
    justify-content: space-between;
  }

  .hero {
    min-height: 76svh;
    background-position: center;
  }

  .hero__surface {
    background: rgba(247, 249, 248, 0.86);
  }

  .hero__stats,
  .business-grid,
  .process-list,
  .intro-grid,
  .capabilities,
  .contact__inner {
    grid-template-columns: 1fr;
  }

  .business-card {
    min-height: auto;
  }

  .process-list li {
    min-height: 150px;
  }

  .contact__inner {
    justify-items: start;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: auto;
  }

  .brand span {
    font-size: 14px;
    max-width: calc(100vw - 112px);
  }

  .brand-name-full {
    display: none;
  }

  .brand-name-short {
    display: inline;
  }

  .nav-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    font-size: 14px;
  }

  .nav-links a {
    width: max-content;
  }

  .header-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
  }

  .language-switch {
    align-self: flex-start;
  }

  .hero__content {
    width: min(100% - 28px, 1120px);
    max-width: calc(100vw - 28px);
    padding: 44px 0 42px;
  }

  .hero__logo {
    width: 72px;
    height: 72px;
    margin-bottom: 18px;
  }

  .hero h1 {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
    font-size: 38px;
    word-break: break-all;
  }

  .hero__lead {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
  }

  .hero__lead,
  .section__heading p:last-child,
  .intro-grid p:last-child,
  .contact h2 + p {
    font-size: 16px;
    word-break: break-all;
  }

  .hero__actions,
  .button {
    width: 100%;
  }

  .hero__stats {
    gap: 10px;
    margin-top: 34px;
  }

  .hero__stats div,
  .business-card,
  .capability-item,
  .process-list li {
    padding: 20px;
  }

  .capability-item {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 14px;
  }

  .capability-item span {
    width: 44px;
    height: 44px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}