:root {
  color-scheme: light;
  --ink: #17201c;
  --muted: #5f6d66;
  --line: #dfe7e0;
  --paper: #fbfbf7;
  --soft: #eef5ef;
  --sage: #587d68;
  --sage-dark: #2f5d49;
  --coral: #c96b4b;
  --gold: #d4a64f;
  --rose: #f6e8df;
  --mist: #e8f0f2;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(23, 32, 28, 0.13);
  --soft-shadow: 0 12px 34px rgba(23, 32, 28, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 680px;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.14;
}

h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.25;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(251, 251, 247, 0.94);
  border-bottom: 1px solid rgba(223, 231, 224, 0.82);
  backdrop-filter: blur(16px);
}

.site-header::after {
  content: "";
  position: absolute;
  right: clamp(18px, 4vw, 56px);
  bottom: -1px;
  left: clamp(18px, 4vw, 56px);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(47, 93, 73, 0.22), transparent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 250px;
}

.brand-logo {
  width: 188px;
  height: auto;
  display: block;
}

.brand strong,
.brand small {
  display: block;
}

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

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 3vw, 32px);
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.nav-links a:hover {
  color: var(--sage-dark);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-toggle {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.lang-button {
  min-width: 48px;
  border: 0;
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-weight: 800;
}

.lang-button.is-active {
  color: var(--white);
  background: var(--sage-dark);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 12px 20px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: var(--white);
  background: var(--sage-dark);
  box-shadow: 0 14px 28px rgba(47, 93, 73, 0.22);
}

.button.secondary,
.header-cta {
  color: var(--sage-dark);
  background: rgba(255, 255, 255, 0.82);
  border-color: var(--line);
}

.header-cta {
  min-height: 42px;
  padding: 9px 15px;
}

.hero {
  position: relative;
  min-height: clamp(640px, 84vh, 790px);
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 130px;
  background: linear-gradient(0deg, var(--paper), rgba(251, 251, 247, 0));
  pointer-events: none;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(251, 251, 247, 0.97) 0%, rgba(251, 251, 247, 0.86) 42%, rgba(251, 251, 247, 0.2) 78%),
    linear-gradient(0deg, rgba(23, 32, 28, 0.2), rgba(23, 32, 28, 0));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 92px);
  padding: 64px 0 108px;
}

.hero h1 {
  max-width: 780px;
  font-size: clamp(42px, 6.4vw, 78px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 650px;
  margin: 24px 0 0;
  color: #34423b;
  font-size: clamp(18px, 2vw, 22px);
}

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

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  border: 1px solid rgba(47, 93, 73, 0.16);
  border-radius: 999px;
  padding: 7px 13px;
  color: var(--sage-dark);
  background: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 800;
}

.hero-badges span::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.trust-strip {
  width: min(1120px, calc(100% - 36px));
  margin: -62px auto 0;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.trust-strip div {
  padding: 24px clamp(16px, 2.5vw, 32px);
  border-right: 1px solid var(--line);
}

.trust-strip div:last-child {
  border-right: 0;
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  color: var(--sage-dark);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1;
}

.trust-strip span {
  margin-top: 9px;
  color: var(--muted);
}

.section {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(72px, 9vw, 120px) 0;
}

.section-heading {
  max-width: 740px;
  margin-bottom: 34px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading p:not(.eyebrow),
.hook-card p,
.contact-section > div > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
}

.hook-section {
  padding-top: clamp(60px, 8vw, 96px);
}

.hook-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(20px, 4vw, 36px);
  align-items: center;
  border: 1px solid rgba(88, 125, 104, 0.2);
  border-radius: 8px;
  padding: clamp(28px, 5vw, 48px);
  background:
    linear-gradient(135deg, rgba(238, 245, 239, 0.94), rgba(246, 232, 223, 0.8)),
    var(--soft);
  box-shadow: var(--soft-shadow);
}

.hook-mark {
  display: grid;
  width: clamp(72px, 10vw, 104px);
  height: clamp(72px, 10vw, 104px);
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--sage-dark);
  font-size: clamp(42px, 7vw, 64px);
  font-weight: 900;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.service-grid.expanded .service-card {
  min-height: 250px;
}

.service-card {
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 1)),
    var(--white);
  box-shadow: var(--soft-shadow);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(88, 125, 104, 0.35);
  box-shadow: 0 18px 46px rgba(23, 32, 28, 0.12);
}

.card-icon {
  display: inline-grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 28px;
  border-radius: 8px;
  color: var(--sage-dark);
  background: var(--soft);
  font-weight: 900;
}

.service-card p,
.step-card p,
.why-item p,
.qa p {
  margin: 0;
  color: var(--muted);
}

.process-band {
  color: var(--white);
  background:
    linear-gradient(145deg, rgba(47, 93, 73, 0.98), rgba(32, 70, 55, 0.98)),
    var(--sage-dark);
}

.process-band h2,
.process-band .step-card h3 {
  color: var(--white);
}

.process-band .section-heading p:not(.eyebrow),
.process-band .step-card p {
  color: rgba(255, 255, 255, 0.76);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-card {
  min-height: 240px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.08);
}

.step-card span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 50%;
  color: var(--ink);
  background: var(--gold);
  font-weight: 900;
}

.why-section {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
}

.why-list {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.why-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
}

.why-item > span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--coral);
  font-weight: 900;
}

.why-panel {
  min-height: 470px;
  display: grid;
  align-items: end;
  border-radius: 8px;
  padding: clamp(28px, 4vw, 44px);
  background:
    linear-gradient(rgba(23, 32, 28, 0.55), rgba(23, 32, 28, 0.72)),
    url("assets/why-care-scene.png") 72% center / cover;
  box-shadow: var(--shadow);
}

.why-panel p {
  margin: 0;
  color: var(--white);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.15;
}

.faq-band {
  background:
    linear-gradient(135deg, rgba(238, 245, 239, 0.95), rgba(232, 240, 242, 0.9)),
    #edf4ef;
}

.faq-list {
  width: min(820px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.qa {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--soft-shadow);
  overflow: hidden;
}

.qa summary {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 22px 24px;
  color: var(--sage-dark);
  cursor: pointer;
  font-size: 18px;
  font-weight: 900;
  list-style: none;
}

.qa summary::-webkit-details-marker {
  display: none;
}

.qa summary b {
  display: grid;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--coral);
  transition: transform 160ms ease;
}

.qa[open] summary b {
  transform: rotate(45deg);
}

.qa p {
  padding: 0 24px 22px;
}

.contact-band {
  color: var(--white);
  background: var(--sage-dark);
}

.contact-section {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(24px, 5vw, 70px);
  align-items: start;
}

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

.contact-section > div > p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
}

.contact-card {
  display: grid;
  gap: 8px;
  margin-top: 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
}

.contact-card strong {
  font-size: 18px;
}

.contact-card span {
  color: rgba(255, 255, 255, 0.78);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fcfdfb;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 3px solid rgba(88, 125, 104, 0.2);
  border-color: var(--sage);
}

.form-note,
.form-success {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.form-success {
  border-radius: 8px;
  padding: 12px;
  color: var(--sage-dark);
  background: var(--soft);
  font-weight: 800;
}

.site-footer {
  display: grid;
  gap: 18px;
  padding: 34px clamp(18px, 4vw, 56px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #f4f7f2;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-brand img,
.site-footer img {
  width: 176px;
  max-width: min(176px, 100%);
  height: auto;
}

.footer-brand span {
  color: var(--sage-dark);
  font-weight: 800;
}

.site-footer p {
  max-width: 920px;
  margin: 0;
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

@media (max-width: 1100px) {
  .header-cta,
  .brand-text {
    display: none;
  }
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

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

  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-strip div:nth-child(2) {
    border-right: 0;
  }

  .trust-strip div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .why-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .why-panel {
    min-height: 340px;
  }
}

@media (max-width: 640px) {
  .site-header {
    gap: 12px;
    padding: 12px 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand-logo {
    width: 154px;
  }

  .lang-button {
    min-width: 42px;
    padding: 7px 8px;
  }

  .hero {
    min-height: 700px;
    align-items: end;
  }

  .hero-image {
    object-position: 62% center;
  }

  .hero-overlay {
    background:
      linear-gradient(0deg, rgba(251, 251, 247, 0.98) 0%, rgba(251, 251, 247, 0.9) 52%, rgba(251, 251, 247, 0.1) 100%),
      linear-gradient(0deg, rgba(23, 32, 28, 0.22), rgba(23, 32, 28, 0));
  }

  .hero-content {
    width: calc(100% - 32px);
    margin: 0 auto;
    padding-bottom: 88px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-actions,
  .site-footer {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .trust-strip,
  .service-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    margin-top: -46px;
  }

  .trust-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-strip div:last-child {
    border-bottom: 0;
  }

  .hook-card {
    grid-template-columns: 1fr;
  }

  .service-card,
  .step-card {
    min-height: auto;
  }

  .hero-badges span {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}