:root {
  --bg: #ffffff;
  --surface: #fbfcfb;
  --surface-strong: #f5f8f6;
  --text: #141817;
  --muted: #5d6965;
  --quiet: #87918d;
  --line: #dfe6e2;
  --line-strong: #cfd9d4;
  --green: #075f45;
  --green-dark: #034532;
  --green-soft: #e8f2ed;
  --gold: #b58535;
  --gold-soft: #fff6e6;
  --shadow: 0 24px 70px rgba(14, 42, 32, 0.08);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.65;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 0 clamp(22px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 42px);
  color: #1e2925;
  font-size: 15px;
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.5vw, 34px);
}

.language-toggle {
  min-width: 62px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: #ffffff;
  color: var(--green);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 900;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.language-toggle:hover {
  background: var(--green-soft);
  border-color: var(--green);
  transform: translateY(-1px);
}

.nav a {
  position: relative;
  padding: 28px 0;
}

.nav a::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--green);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.nav a:hover::after {
  transform: scaleX(1);
}

.section {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: calc(100vh - 78px);
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: clamp(50px, 7vw, 96px) 0 60px;
  text-align: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 860px;
}

.hero-copy h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(46px, 6vw, 76px);
  line-height: 1.08;
  font-weight: 900;
}

.hero-copy p {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 28px;
}

.hero-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 18px;
  color: var(--green);
  font-size: 18px;
  font-weight: 800;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  min-height: 58px;
  padding: 0 28px;
  border: 1px solid var(--green);
  border-radius: 7px;
  font-size: 17px;
  font-weight: 800;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(7, 95, 69, 0.16);
}

.button-primary {
  background: var(--green);
  color: #ffffff;
}

.button-secondary {
  background: #ffffff;
  color: var(--green);
}

.trust-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  width: min(760px, 100%);
  margin-top: 44px;
  text-align: left;
}

.trust-points article {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.trust-points strong,
.contact-card strong {
  display: block;
  color: #1b2521;
  font-size: 15px;
  font-weight: 800;
}

.trust-points small,
.contact-card small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.hero-panel {
  position: absolute;
  inset: auto 0 34px;
  z-index: 1;
  width: min(760px, 100%);
  min-height: 150px;
  pointer-events: none;
}

.globe {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0.32;
}

.globe::before {
  width: min(460px, 86vw);
  aspect-ratio: 1;
  content: "";
  border: 1px solid #d7e3de;
  border-radius: 50%;
  background:
    radial-gradient(circle, transparent 55%, rgba(7, 95, 69, 0.07) 56%, transparent 57%),
    repeating-linear-gradient(0deg, transparent 0 22px, rgba(7, 95, 69, 0.08) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 26px, rgba(7, 95, 69, 0.06) 27px 28px);
  mask-image: radial-gradient(circle, #000 0 70%, transparent 72%);
}

.globe span {
  position: absolute;
  width: 520px;
  max-width: 94vw;
  height: 130px;
  border: 1px solid rgba(7, 95, 69, 0.18);
  border-radius: 50%;
}

.globe span:nth-child(1) {
  transform: rotate(16deg);
}

.globe span:nth-child(2) {
  transform: rotate(-15deg);
}

.globe span:nth-child(3) {
  width: 10px;
  height: 10px;
  background: var(--green);
  border: 0;
  transform: translate(180px, -122px);
}

.domain-search {
  display: grid;
  row-gap: 6px;
  align-items: center;
  width: min(820px, 100%);
  min-height: 148px;
  padding: 24px 34px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  box-shadow: var(--shadow);
  text-align: center;
}

.hero-domain-card {
  margin-top: 36px;
}

.domain-search small {
  color: var(--gold);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0;
}

.domain-search span {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--green);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(44px, 7vw, 82px);
  font-weight: 700;
  line-height: 1.1;
}

.domain-search svg {
  display: none;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  margin-left: 26px;
  color: #27342f;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.domain-highlights,
.recommended,
.process,
.contact {
  padding: 76px 0;
  border-top: 1px solid var(--line);
}

.domain-highlights {
  padding-top: 34px;
}

h2 {
  margin: 0 0 28px;
  color: #17201d;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.2;
}

h3,
p {
  margin-top: 0;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.highlight-grid article {
  padding: 48px 44px;
}

.highlight-grid article + article {
  border-left: 1px solid var(--line);
}

.highlight-grid h3,
.process h3 {
  margin: 18px 0 10px;
  font-size: 21px;
  line-height: 1.35;
}

.highlight-grid p,
.section-heading p,
.process p {
  color: var(--muted);
  font-size: 16px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 28px;
}

.section-heading h2,
.section-heading p {
  margin-bottom: 0;
}

.section-heading p {
  max-width: 470px;
}

.domain-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.table-row {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 2fr 120px;
  gap: 20px;
  align-items: center;
  min-height: 72px;
  padding: 0 30px;
  border-bottom: 1px solid var(--line);
}

.table-row:last-child {
  border-bottom: 0;
}

.table-head {
  min-height: 58px;
  background: var(--surface);
  color: #2a342f;
  font-size: 14px;
  font-weight: 800;
}

.domain-name {
  color: var(--green);
  font-size: 20px;
  font-weight: 900;
}

.category {
  color: #2f413a;
  font-weight: 700;
}

.value-note {
  color: var(--muted);
}

.status {
  justify-self: start;
  padding: 5px 12px;
  border: 1px solid rgba(181, 133, 53, 0.6);
  border-radius: 6px;
  background: var(--gold-soft);
  color: #9a671e;
  font-size: 14px;
  font-weight: 800;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
}

.process article {
  position: relative;
  padding-top: 10px;
}

.process article:not(:last-child)::after {
  position: absolute;
  top: 28px;
  right: 0;
  width: 46%;
  border-top: 1px dashed var(--line-strong);
  content: "";
  transform: translateX(60%);
}

.process span {
  color: var(--green);
  font-size: 32px;
  font-weight: 900;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.contact-card {
  display: flex;
  gap: 22px;
  align-items: center;
  min-height: 136px;
  padding: 34px 48px;
}

.wechat-card img {
  flex: 0 0 auto;
  width: 86px;
  height: 86px;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #ffffff;
}

.contact-card .large-icon {
  flex: 0 0 auto;
  width: 86px;
  height: 86px;
}

.contact-card .icon-mail::before {
  width: 42px;
  height: 30px;
}

.contact-card .icon-mail::after {
  width: 30px;
  height: 30px;
}

.contact-card + .contact-card {
  border-left: 1px solid var(--line);
}

.contact-card small {
  color: var(--green);
  font-size: 16px;
  font-weight: 700;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  justify-content: center;
  padding: 34px 24px 48px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.icon,
.large-icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  color: var(--green);
}

.icon {
  width: 30px;
  height: 30px;
}

.large-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--green-soft);
}

.icon::before,
.icon::after,
.large-icon::before,
.large-icon::after {
  position: absolute;
  content: "";
}

.icon-shield::before,
.icon-lock::before {
  width: 17px;
  height: 20px;
  border: 2px solid currentColor;
  border-radius: 10px 10px 12px 12px;
  clip-path: polygon(50% 0, 100% 18%, 90% 76%, 50% 100%, 10% 76%, 0 18%);
}

.icon-tag::before {
  width: 19px;
  height: 19px;
  border: 2px solid currentColor;
  border-radius: 4px;
  transform: rotate(45deg);
}

.icon-check::before {
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.icon-check::after {
  width: 10px;
  height: 6px;
  border-bottom: 2px solid currentColor;
  border-left: 2px solid currentColor;
  transform: rotate(-45deg) translate(1px, -1px);
}

.icon-globe::before {
  width: 29px;
  height: 29px;
  border: 3px solid currentColor;
  border-radius: 50%;
}

.icon-globe::after {
  width: 32px;
  height: 12px;
  border-top: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
}

.icon-trend::before {
  width: 30px;
  height: 18px;
  border-top: 4px solid currentColor;
  border-right: 4px solid currentColor;
  transform: rotate(-35deg) translate(0, 4px);
}

.icon-trend::after {
  width: 9px;
  height: 9px;
  border-top: 4px solid currentColor;
  border-right: 4px solid currentColor;
  transform: translate(14px, -13px) rotate(45deg);
}

.icon-lock::after {
  width: 11px;
  height: 8px;
  border-bottom: 2px solid currentColor;
  border-left: 2px solid currentColor;
  transform: rotate(-45deg) translate(0, -1px);
}

.icon-mail::before {
  width: 32px;
  height: 22px;
  border: 3px solid currentColor;
  border-radius: 4px;
}

.icon-mail::after {
  width: 22px;
  height: 22px;
  border-right: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
  transform: translateY(-6px) rotate(45deg);
}

.icon-wechat::before {
  width: 31px;
  height: 23px;
  border: 3px solid currentColor;
  border-radius: 50%;
}

.icon-wechat::after {
  width: 17px;
  height: 13px;
  border-right: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
  transform: translate(9px, 7px) rotate(18deg);
}

@media (max-width: 920px) {
  .site-header {
    position: static;
    display: block;
    padding-top: 22px;
    padding-bottom: 12px;
  }

  .header-actions {
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-top: 18px;
  }

  .nav {
    gap: 18px;
    overflow-x: auto;
    white-space: nowrap;
  }

  .nav a {
    padding: 6px 0 14px;
  }

  .nav a::after {
    bottom: 7px;
  }

  .hero {
    min-height: auto;
    padding-top: 46px;
  }

  .hero-panel {
    display: none;
  }

  .trust-points,
  .highlight-grid,
  .process-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .highlight-grid article + article,
  .contact-card + .contact-card {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .section-heading {
    display: block;
  }

  .section-heading p {
    margin-top: 10px;
  }

  .table-row {
    grid-template-columns: 1fr;
    gap: 6px;
    align-items: start;
    min-height: 0;
    padding: 20px 22px;
  }

  .table-head {
    display: none;
  }

  .process article:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 560px) {
  .section {
    width: min(100% - 32px, var(--max));
  }

  .brand {
    font-size: 24px;
  }

  .hero-copy h1 {
    font-size: 42px;
  }

  .hero-copy p {
    font-size: 17px;
  }

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

  .trust-points article {
    grid-template-columns: 30px 1fr;
  }

  .domain-search {
    min-height: 120px;
    padding: 20px 18px;
  }

  .domain-search svg {
    width: 26px;
    height: 26px;
    margin-left: 14px;
  }

  .highlight-grid article,
  .contact-card {
    padding: 30px 24px;
  }

  .wechat-card img {
    width: 86px;
    height: 86px;
  }
}