:root {
  color-scheme: light;
  --ink: #172126;
  --muted: #607078;
  --soft: #7b8a91;
  --line: #dce5e8;
  --paper: #f6faf8;
  --panel: #ffffff;
  --accent: #0f766e;
  --accent-dark: #0a4f49;
  --blue: #245c8f;
  --gold: #b7791f;
  --shadow: 0 18px 44px rgba(31, 49, 56, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

img {
  max-width: 100%;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  color: #ffffff;
  background: rgba(10, 18, 22, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 7px;
  background: #ffffff;
  color: var(--accent-dark);
  font-size: 14px;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  white-space: nowrap;
}

.nav a:hover {
  color: #ffffff;
}

.lang-link {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 118px clamp(20px, 5vw, 72px) 74px;
  color: #ffffff;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

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

.hero-overlay {
  background:
    radial-gradient(circle at 78% 25%, rgba(15, 118, 110, 0.28), transparent 28%),
    linear-gradient(90deg, rgba(5, 12, 16, 0.92), rgba(5, 12, 16, 0.64) 48%, rgba(5, 12, 16, 0.28)),
    linear-gradient(180deg, rgba(5, 12, 16, 0.38), rgba(5, 12, 16, 0.72));
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 1.08fr);
  gap: clamp(34px, 5vw, 76px);
  align-items: center;
  width: 100%;
}

.hero-content {
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f0c56e;
}

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

h1,
h2,
h3 {
  margin-top: 0;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 0;
  max-width: 780px;
  font-size: clamp(38px, 5.4vw, 70px);
  line-height: 1.05;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.18;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.28;
}

.subtitle {
  max-width: 710px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 1.9vw, 22px);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
}

.button.primary {
  background: #ffffff;
  color: var(--accent-dark);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.console-card {
  overflow: hidden;
  border: 1px solid rgba(209, 226, 230, 0.86);
  border-radius: 10px;
  background: #ffffff;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.28),
    0 0 0 1px rgba(255, 255, 255, 0.42) inset;
}

.hero-console {
  color: var(--ink);
  max-width: 620px;
  justify-self: end;
  transform: translateY(10px);
}

.console-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  color: #52606a;
  background: #edf3f4;
  border-bottom: 1px solid #d7e2e6;
  font-size: 13px;
  font-weight: 800;
}

.dots {
  display: inline-flex;
  gap: 6px;
}

.dots span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #ef4444;
}

.dots span:nth-child(2) {
  background: #f59e0b;
}

.dots span:nth-child(3) {
  background: #10b981;
}

.console-body {
  padding: 24px;
  background:
    linear-gradient(180deg, #ffffff, #f7fbfa 62%, #eef7f5);
}

.console-kicker {
  margin-bottom: 14px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.console-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.console-metrics div {
  min-height: 76px;
  padding: 14px;
  border: 1px solid #d9e7e8;
  border-radius: 8px;
  background: #ffffff;
}

.console-metrics strong,
.console-metrics span {
  display: block;
}

.console-metrics strong {
  color: #12333b;
  font-size: 24px;
  line-height: 1.1;
}

.console-metrics span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.method {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  background: #eef7f5;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 800;
}

.method span {
  color: #41515a;
  font-weight: 700;
}

.code-lines {
  margin-top: 16px;
  padding: 18px 20px;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    #0f172a;
  color: #dbeafe;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  line-height: 1.75;
  overflow-x: auto;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.16);
}

.code-lines span {
  display: block;
}

.code-lines em {
  color: #a7f3d0;
  font-style: normal;
}

.console-list,
.feature-list {
  display: grid;
  gap: 10px;
}

.console-list {
  margin-top: 18px;
}

.console-list div,
.feature-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  color: var(--soft);
  font-size: 14px;
}

.console-list strong,
.feature-list strong {
  color: var(--ink);
}

.console-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.status-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: #10b981;
  box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.12);
}

.feature-list div {
  align-items: flex-start;
  flex-direction: column;
}

.feature-list span {
  color: var(--muted);
}

.trust-strip {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: -34px clamp(20px, 5vw, 72px) 0;
  overflow: hidden;
  border: 1px solid rgba(220, 229, 232, 0.96);
  border-radius: 10px;
  background: var(--line);
  box-shadow: 0 18px 42px rgba(20, 36, 42, 0.14);
}

.trust-item {
  min-height: 92px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.96);
}

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

.trust-item span {
  margin-bottom: 6px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.trust-item strong {
  color: var(--ink);
  font-size: 16px;
  line-height: 1.35;
}

.section {
  padding: clamp(66px, 8.5vw, 112px) clamp(20px, 5vw, 72px);
}

.section-head {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-head.wide {
  max-width: 980px;
}

.section-head p,
.section-copy {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card,
.muted article,
.scope-list,
.steps article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.card,
.muted article,
.scope-list,
.steps article {
  padding: 26px;
}

.card p,
.muted p,
.scope-list p,
.contact p,
.steps p {
  margin: 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 5vw, 60px);
  align-items: start;
  background: #ffffff;
}

.console-section {
  background: #ffffff;
}

.scope-list p + p {
  margin-top: 14px;
}

.scope-list .note {
  color: var(--accent-dark);
  font-weight: 800;
}

.process {
  background: #f7faf8;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.steps span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 900;
}

.muted {
  background: #eef5f2;
}

.muted article {
  box-shadow: none;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  background: #ffffff;
}

.contact p {
  max-width: 720px;
  margin-top: 14px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 14px 18px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent-dark);
  background: #f2fbf8;
  font-weight: 850;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: #dbe6e3;
  background: #111b1f;
  font-size: 14px;
}

@media (max-width: 1060px) {
  .hero-layout,
  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .hero-console {
    transform: none;
  }
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 14px;
    padding-bottom: 14px;
    gap: 12px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    min-height: auto;
    padding-top: 150px;
  }

  .hero-layout,
  .grid.three,
  .grid.two,
  .trust-strip,
  .split,
  .steps,
  .contact {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    margin-top: -22px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(5, 12, 16, 0.92), rgba(5, 12, 16, 0.64)),
      linear-gradient(180deg, rgba(5, 12, 16, 0.22), rgba(5, 12, 16, 0.72));
  }

  .console-list div {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-link {
    width: 100%;
  }

  .footer {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .brand {
    font-size: 15px;
  }

  h1 {
    font-size: 34px;
  }

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

  .console-body,
  .card,
  .muted article,
  .scope-list,
  .steps article {
    padding: 20px;
  }
}
