:root {
  color-scheme: light;
  --ink: #111827;
  --ink-soft: #263241;
  --muted: #657184;
  --line: #dce3ea;
  --line-strong: #c6d0dc;
  --paper: #ffffff;
  --surface: #f7f9fc;
  --teal: #18b7aa;
  --teal-dark: #087a72;
  --amber: #f3aa3e;
  --red: #e15858;
  --shadow: 0 22px 54px rgba(20, 31, 45, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

svg {
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(220, 227, 234, 0.86);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  left: 0;
  padding: 14px 48px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 10px;
  font-size: 15px;
  font-weight: 900;
  white-space: nowrap;
}

.brand-mark {
  align-items: center;
  background: var(--ink);
  border-radius: 8px;
  color: #66f2e7;
  display: inline-flex;
  height: 36px;
  justify-content: center;
  width: 36px;
}

.brand-mark svg {
  height: 24px;
  width: 24px;
}

.nav {
  align-items: center;
  display: flex;
  gap: 20px;
  font-size: 14px;
  font-weight: 800;
}

.nav a {
  color: #39475a;
}

.nav a:hover {
  color: var(--ink);
}

.nav-cta {
  align-items: center;
  background: var(--ink);
  border-radius: 8px;
  color: #fff !important;
  display: inline-flex;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px;
}

.nav-cta svg,
.button svg {
  height: 18px;
  width: 18px;
}

.hero {
  align-items: center;
  background:
    linear-gradient(90deg, rgba(247, 249, 252, 0.96) 0%, rgba(247, 249, 252, 0.9) 47%, rgba(247, 249, 252, 0.38) 100%),
    repeating-linear-gradient(0deg, #eef2f6 0, #eef2f6 1px, transparent 1px, transparent 48px);
  border-bottom: 1px solid var(--line);
  display: grid;
  min-height: 640px;
  overflow: hidden;
  padding: 56px 48px 44px;
  position: relative;
}

.hero-visual {
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  position: absolute;
}

.browser-frame {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(198, 208, 220, 0.92);
  box-shadow: var(--shadow);
  position: absolute;
  right: -120px;
  top: 48px;
  transform: rotate(-1.2deg);
  width: 880px;
}

.frame-top {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 16px;
  height: 48px;
  padding: 0 18px;
}

.frame-dots {
  display: flex;
  gap: 7px;
}

.frame-dots span {
  background: #bec8d5;
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.frame-dots span:first-child {
  background: var(--red);
}

.frame-dots span:nth-child(2) {
  background: var(--amber);
}

.frame-dots span:nth-child(3) {
  background: var(--teal);
}

.frame-address {
  background: #f0f3f7;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  color: #748093;
  flex: 1;
  font-size: 12px;
  font-weight: 800;
  padding: 8px 12px;
}

.workspace {
  display: grid;
  grid-template-columns: 76px 1fr;
  min-height: 440px;
}

.workspace-nav {
  background: #151f2e;
  display: grid;
  gap: 14px;
  justify-content: center;
  padding-top: 34px;
}

.nav-dot {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  height: 36px;
  width: 36px;
}

.nav-dot.active {
  background: var(--teal);
}

.workspace-main {
  background: #fff;
  padding: 28px;
  position: relative;
}

.toolbar-line {
  align-items: center;
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

.toolbar-line span {
  background: #e9eef4;
  border-radius: 8px;
  display: block;
  height: 34px;
  width: 118px;
}

.toolbar-line span:first-child {
  background: #152033;
  width: 150px;
}

.metric-row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 18px;
  width: 66%;
}

.metric-row div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.metric-row b {
  color: #748093;
  display: block;
  font-size: 12px;
  margin-bottom: 8px;
}

.metric-row strong {
  color: var(--ink);
  display: block;
  font-size: 20px;
}

.table {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  width: 72%;
}

.table-row {
  align-items: center;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
  grid-template-columns: 1.35fr 0.85fr 0.85fr 0.8fr;
  min-height: 56px;
  padding: 0 16px;
}

.table-row:first-child {
  border-top: 0;
}

.table-row span {
  color: #273445;
  font-size: 14px;
  font-weight: 800;
}

.table-row.head {
  background: #f5f7fa;
}

.table-row.head span {
  color: #748093;
  font-size: 12px;
}

.table-row .faded {
  color: #b9c3cf;
}

.lock-pill {
  align-items: center;
  background: #111827;
  border: 2px solid #4ce7db;
  border-radius: 8px;
  box-shadow: 0 14px 28px rgba(24, 183, 170, 0.28);
  color: #fff;
  display: inline-flex;
  gap: 8px;
  left: 318px;
  min-height: 42px;
  padding: 0 14px;
  position: absolute;
  top: 190px;
}

.lock-pill svg {
  color: #6ff6e8;
  height: 18px;
  width: 18px;
}

.lock-pill span {
  font-size: 15px;
  font-weight: 900;
}

.side-panel {
  background: #f8fafc;
  border-left: 1px solid var(--line);
  bottom: 0;
  box-shadow: -18px 0 40px rgba(20, 31, 45, 0.12);
  padding: 26px;
  position: absolute;
  right: 0;
  top: 0;
  width: 244px;
}

.panel-title,
.panel-line,
.panel-box {
  background: #dfe6ee;
  border-radius: 8px;
}

.panel-title {
  height: 34px;
  margin-bottom: 22px;
  width: 70%;
}

.panel-line {
  height: 10px;
  margin-bottom: 12px;
  width: 90%;
}

.panel-line.short {
  width: 58%;
}

.panel-box {
  height: 54px;
  margin-top: 14px;
}

.panel-box.active {
  background: rgba(24, 183, 170, 0.16);
  border: 1px solid rgba(24, 183, 170, 0.56);
}

.hero-content {
  max-width: 620px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0 0 12px;
}

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

h1 {
  font-size: 64px;
  line-height: 1.02;
  margin-bottom: 22px;
}

h2 {
  font-size: 42px;
  line-height: 1.14;
  margin-bottom: 16px;
}

h3 {
  font-size: 19px;
  line-height: 1.32;
  margin-bottom: 10px;
}

.hero-copy,
.body-copy {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-size: 15px;
  font-weight: 900;
  gap: 8px;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.button:hover {
  box-shadow: 0 12px 26px rgba(20, 31, 45, 0.16);
  transform: translateY(-1px);
}

.button.primary {
  background: var(--teal);
  color: #052d2a;
}

.button.secondary {
  background: #fff;
  border: 1px solid var(--line-strong);
  color: var(--ink);
}

.button.full {
  width: 100%;
}

.trust-strip {
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
  padding-top: 18px;
}

.trust-strip span {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #39475a;
  font-size: 13px;
  font-weight: 900;
  padding: 9px 11px;
}

.section,
.workflow,
.reliability,
.pricing-section,
.faq-section,
.final-cta {
  padding: 76px 48px;
}

.section.compact {
  padding-bottom: 68px;
}

.section-heading {
  max-width: 760px;
}

.feature-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 28px;
}

.feature-card,
.steps article,
.price-card,
.faq-list details,
.scenario-list div {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature-card {
  min-height: 242px;
  padding: 24px;
}

.feature-icon,
.step-icon {
  align-items: center;
  background: #eefdfa;
  border: 1px solid #c8f5ef;
  border-radius: 8px;
  color: var(--teal-dark);
  display: inline-flex;
  height: 44px;
  justify-content: center;
  margin-bottom: 24px;
  width: 44px;
}

.feature-icon svg,
.step-icon svg,
.reliability-list svg {
  height: 22px;
  width: 22px;
}

.feature-card p,
.steps p,
.scenario-list span,
.price-card p,
.faq-list p,
.final-cta p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.workflow {
  background: #f5f7fa;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.steps {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.steps article {
  padding: 24px;
}

.steps strong {
  display: block;
  font-size: 18px;
  margin-bottom: 8px;
}

.steps p {
  margin-bottom: 0;
}

.reliability {
  align-items: start;
  background: #111827;
  color: #fff;
  display: grid;
  gap: 44px;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.86fr);
}

.reliability .eyebrow {
  color: #73f4e8;
}

.reliability .body-copy {
  color: #c9d3df;
}

.reliability-list {
  display: grid;
  gap: 12px;
}

.reliability-list div {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  display: flex;
  gap: 14px;
  min-height: 64px;
  padding: 14px 16px;
}

.reliability-list svg {
  color: #73f4e8;
  flex: 0 0 auto;
}

.reliability-list span {
  color: #edf4fb;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.45;
}

.split {
  align-items: start;
  display: grid;
  gap: 44px;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.72fr);
}

.scenario-list {
  display: grid;
  gap: 12px;
}

.scenario-list div {
  padding: 18px;
}

.scenario-list strong {
  display: block;
  font-size: 17px;
  margin-bottom: 6px;
}

.pricing-section {
  background: var(--surface);
}

.pricing-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
  max-width: 980px;
}

.price-card {
  display: grid;
  gap: 18px;
  min-height: 350px;
  padding: 28px;
  position: relative;
}

.price-card.featured {
  border-color: rgba(24, 183, 170, 0.72);
  box-shadow: 0 20px 48px rgba(24, 183, 170, 0.17);
}

.best-badge {
  background: var(--amber);
  border-radius: 8px;
  color: #281700;
  font-size: 13px;
  font-weight: 900;
  padding: 8px 12px;
  position: absolute;
  right: 22px;
  top: 22px;
}

.price-top span {
  color: #475569;
  display: block;
  font-size: 15px;
  font-weight: 900;
  margin-bottom: 16px;
}

.price-top strong {
  color: var(--ink);
  display: block;
  font-size: 56px;
  line-height: 1;
}

.price-top small {
  color: var(--muted);
  display: block;
  font-size: 14px;
  font-weight: 800;
  margin-top: 8px;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 880px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  color: var(--ink);
  cursor: pointer;
  font-size: 16px;
  font-weight: 900;
}

.faq-list p {
  margin: 12px 0 0;
}

.final-cta {
  background:
    linear-gradient(rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.92)),
    repeating-linear-gradient(135deg, #dfe6ee 0, #dfe6ee 1px, transparent 1px, transparent 18px);
  text-align: center;
}

.final-cta h2,
.final-cta p {
  margin-left: auto;
  margin-right: auto;
  max-width: 660px;
}

.final-cta .button {
  margin-top: 8px;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 13px;
  gap: 12px;
  justify-content: space-between;
  padding: 20px 48px;
}

@media (max-width: 1060px) {
  .site-header,
  .hero,
  .section,
  .workflow,
  .reliability,
  .pricing-section,
  .faq-section,
  .final-cta,
  .site-footer {
    padding-left: 28px;
    padding-right: 28px;
  }

  .browser-frame {
    opacity: 0.28;
    right: -420px;
  }

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

  .reliability,
  .split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .nav {
    display: none;
  }

  .hero {
    min-height: 590px;
  }

  .browser-frame {
    display: none;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-copy,
  .body-copy {
    font-size: 16px;
  }

  .feature-grid,
  .steps,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .price-card,
  .feature-card {
    min-height: auto;
  }
}

@media (max-width: 520px) {
  .site-header,
  .hero,
  .section,
  .workflow,
  .reliability,
  .pricing-section,
  .faq-section,
  .final-cta,
  .site-footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-actions,
  .trust-strip {
    display: grid;
  }

  .button {
    width: 100%;
  }
}