:root {
  --bg: #081522;
  --bg-deep: #0f2235;
  --bg-panel: rgba(15, 34, 53, 0.7);
  --line: rgba(148, 166, 190, 0.2);
  --text: #eef4fb;
  --muted: #9fb0c3;
  --accent: #ff9f43;
  --accent-soft: rgba(255, 159, 67, 0.16);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 159, 67, 0.18), transparent 24%),
    radial-gradient(circle at 85% 12%, rgba(57, 88, 122, 0.3), transparent 24%),
    linear-gradient(180deg, #07111c 0%, var(--bg) 52%, #0d1d2e 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 85%);
}

.page-shell {
  width: min(1200px, calc(100% - 40px));
  margin: 24px auto;
  padding: 28px;
  border: 1px solid rgba(159, 176, 195, 0.18);
  border-radius: 32px;
  background: rgba(7, 19, 31, 0.82);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.topbar,
.hero,
.section,
.footer,
.metrics {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 28px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 800;
  font-size: 1.08rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f8fbff;
}

.brand-logo {
  width: 100px;
  height: 100px;
  padding: 10px;
  border-radius: 24px;
  object-fit: contain;
  background: rgba(13, 29, 47, 0.96);
  border: 1px solid rgba(159, 176, 195, 0.18);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
}

.brand-name {
  line-height: 1.1;
  max-width: 14ch;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid rgba(159, 176, 195, 0.18);
  border-radius: 999px;
  background: rgba(12, 25, 39, 0.9);
  color: var(--muted);
  font-size: 0.9rem;
}

.language-switcher select {
  border: 0;
  outline: 0;
  background: transparent;
  color: #f4f8fd;
  font: inherit;
  cursor: pointer;
}

.language-switcher option {
  color: #081522;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 32px;
  padding: 28px 0 46px;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1,
.section-heading h2,
.footer h2 {
  margin: 0;
  line-height: 1.05;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero h1 {
  font-size: clamp(2.35rem, 4.6vw, 4rem);
  max-width: 8ch;
}

.hero-text,
.section-note,
.story-card p,
.service-card p,
.showcase-content p,
.mini-panel p,
.metric-box p,
.footer-note {
  color: var(--muted);
  line-height: 1.8;
  font-size: 1rem;
}

.hero-text {
  max-width: 60ch;
  margin: 24px 0 32px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.hero-meta div {
  min-width: 150px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(16, 31, 48, 0.88);
}

.hero-meta strong,
.metric-box strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.hero-meta span,
.metric-box span,
.card-label,
.mini-title,
.showcase-tag {
  color: var(--muted);
}

.hero-panel {
  display: grid;
  gap: 18px;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.panel-card {
  padding: 24px;
  border-radius: 28px;
  border: 1px solid rgba(159, 176, 195, 0.14);
  background: rgba(14, 28, 44, 0.9);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.16);
}

.accent-card {
  min-height: 280px;
  color: #f8fbff;
  background:
    radial-gradient(circle at top right, rgba(255, 159, 67, 0.22), transparent 30%),
    linear-gradient(160deg, #17324d 0%, #11263b 52%, #0a1827 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.accent-card .card-label,
.accent-card p {
  color: rgba(238, 244, 251, 0.78);
}

.accent-card h2 {
  margin: 14px 0 16px;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  line-height: 1.15;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

.mini-title,
.card-label,
.showcase-tag {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.wide {
  grid-column: span 2;
}

.info-strip {
  margin: 6px 0 18px;
  padding: 22px 26px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  color: #f4f8fd;
}

.section {
  padding: 54px 0;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 28px;
}

.section-heading h2,
.footer h2 {
  font-size: clamp(1.65rem, 3vw, 2.7rem);
}

.split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  max-width: none;
}

.section-note {
  max-width: 360px;
  margin: 0;
}

.intro-layout {
  display: grid;
  grid-template-columns: 1fr 1fr 0.85fr;
  gap: 18px;
}

.story-card,
.quote-card,
.service-card,
.mini-panel,
.metric-box {
  border-radius: 28px;
}

.story-card,
.quote-card,
.service-card,
.mini-panel {
  padding: 28px;
}

.story-card h3,
.service-card h3,
.mini-panel h3,
.showcase-content h3 {
  margin: 0 0 12px;
  font-size: 1.4rem;
}

.soft {
  background: rgba(13, 29, 47, 0.88);
  border: 1px solid var(--line);
}

.dark {
  color: #f6f9fd;
  background: linear-gradient(160deg, #19334d, #102338);
}

.dark p {
  color: rgba(246, 249, 253, 0.76);
}

.quote-card {
  display: flex;
  align-items: end;
  background: linear-gradient(180deg, rgba(255, 159, 67, 0.16), rgba(17, 34, 53, 0.9));
  border: 1px solid rgba(255, 159, 67, 0.2);
}

.quote-card p {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.6;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
}

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

.service-card {
  background: rgba(13, 29, 47, 0.88);
  border: 1px solid var(--line);
}

.service-card span,
.metric-box span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: rgba(255, 159, 67, 0.14);
  color: var(--accent);
  font-weight: 800;
}

.showcase-layout {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 18px;
}

.showcase-main {
  min-height: 420px;
  padding: 36px;
  border-radius: 34px;
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 159, 67, 0.2), transparent 24%),
    radial-gradient(circle at 82% 78%, rgba(255, 255, 255, 0.12), transparent 26%),
    linear-gradient(160deg, #17324e 0%, #10253b 60%, #0a1a2a 100%);
  color: #f7fbff;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
}

.showcase-content {
  max-width: 420px;
}

.showcase-content p,
.showcase-tag {
  color: rgba(247, 251, 255, 0.76);
}

.showcase-content h3 {
  margin-top: 18px;
  font-size: clamp(1.55rem, 2.4vw, 2.2rem);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

.showcase-side {
  display: grid;
  gap: 18px;
}

.mini-panel {
  background: rgba(13, 29, 47, 0.88);
  border: 1px solid var(--line);
}

.chart-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.chart-card {
  padding: 28px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: rgba(13, 29, 47, 0.9);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.16);
}

.chart-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.chart-label {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.chart-head h3 {
  margin: 0;
  font-size: 1.4rem;
}

.chart-highlight {
  color: #ffffff;
  font-size: 1.15rem;
}

.line-chart {
  position: relative;
  min-height: 260px;
  padding: 12px 8px 0;
}

.chart-grid-lines {
  position: absolute;
  inset: 12px 8px 28px;
  border-radius: 18px;
  background-image:
    linear-gradient(to top, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 25%, 14.285% 100%;
}

.chart-svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 220px;
  overflow: visible;
}

.line-back,
.line-front {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 5;
}

.line-back {
  stroke: rgba(159, 176, 195, 0.45);
}

.line-front {
  stroke: var(--accent);
  filter: drop-shadow(0 6px 12px rgba(255, 159, 67, 0.2));
}

.chart-svg circle {
  fill: #ffffff;
  stroke: var(--accent);
  stroke-width: 4;
}

.chart-axis {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-top: -4px;
  color: var(--muted);
  font-size: 0.85rem;
}

.bars-chart-card {
  background:
    radial-gradient(circle at top right, rgba(255, 159, 67, 0.08), transparent 28%),
    rgba(13, 29, 47, 0.92);
}

.bar-chart {
  display: grid;
  gap: 18px;
  margin-top: 12px;
}

.bar-item {
  display: grid;
  grid-template-columns: 48px 1fr 50px;
  align-items: center;
  gap: 14px;
}

.bar-name,
.bar-value {
  color: #f4f8fd;
  font-size: 0.95rem;
}

.bar-track {
  position: relative;
  height: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.bar-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ff9f43, #ffd39d);
  box-shadow: 0 6px 16px rgba(255, 159, 67, 0.24);
}

.bar-fill-a {
  width: 86%;
}

.bar-fill-b {
  width: 64%;
}

.bar-fill-c {
  width: 48%;
}

.bar-fill-d {
  width: 72%;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.pricing-card {
  padding: 30px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: rgba(13, 29, 47, 0.9);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.16);
}

.featured-price {
  position: relative;
  background:
    radial-gradient(circle at top right, rgba(255, 159, 67, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(20, 40, 61, 0.98), rgba(11, 25, 40, 0.98));
  border-color: rgba(255, 159, 67, 0.28);
}

.pricing-type {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 700;
}

.pricing-card h3 {
  margin: 0 0 16px;
  font-size: 1.6rem;
}

.price {
  margin-bottom: 10px;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #ffffff;
}

.price-note {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.7;
}

.price-list {
  margin: 0;
  padding-left: 18px;
  color: #dbe6f1;
  line-height: 1.9;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 8px 0 42px;
}

.metric-box {
  padding: 28px;
  background: rgba(13, 29, 47, 0.88);
  border: 1px solid var(--line);
}

.footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.footer-actions {
  display: grid;
  justify-items: end;
  gap: 16px;
}

.footer-note {
  max-width: 420px;
  margin: 0;
}

.ghost-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid rgba(159, 176, 195, 0.2);
  border-radius: 999px;
  color: #f4f8fd;
  text-decoration: none;
  background: rgba(13, 29, 47, 0.88);
}

.ghost-link:hover {
  border-color: rgba(255, 159, 67, 0.38);
  color: #ffffff;
}

.help-title {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1.08;
  font-weight: 700;
}

.help-summary-grid,
.help-card-grid,
.support-steps {
  display: grid;
  gap: 18px;
}

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

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

.help-card,
.support-step {
  padding: 28px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: rgba(13, 29, 47, 0.9);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.16);
}

.help-card h3,
.support-step h3 {
  margin: 0 0 12px;
  font-size: 1.3rem;
}

.help-card p,
.support-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

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

.support-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: rgba(255, 159, 67, 0.14);
  color: var(--accent);
  font-weight: 800;
}

/* Skin Refresh: light business layout */
:root {
  --bg: #eef3f9;
  --bg-deep: #dce8f5;
  --bg-panel: rgba(255, 255, 255, 0.86);
  --line: rgba(40, 74, 110, 0.16);
  --text: #0d243b;
  --muted: #4f657b;
  --accent: #0aa4b8;
  --accent-soft: rgba(10, 164, 184, 0.14);
  --shadow: 0 24px 60px rgba(18, 45, 75, 0.14);
}

body {
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(10, 164, 184, 0.22), transparent 26%),
    radial-gradient(circle at 90% 6%, rgba(31, 86, 145, 0.18), transparent 24%),
    linear-gradient(180deg, #f6f9fd 0%, #edf3fa 46%, #e5edf7 100%);
}

body::before {
  background-image:
    linear-gradient(rgba(18, 65, 112, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 65, 112, 0.05) 1px, transparent 1px);
}

.page-shell {
  border: 1px solid rgba(72, 116, 158, 0.2);
  background: rgba(255, 255, 255, 0.78);
}

.brand-mark {
  color: #0d243b;
}

.brand-logo {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(77, 116, 151, 0.24);
  box-shadow: 0 12px 22px rgba(16, 52, 90, 0.14);
}

.nav a {
  color: #3f5d78;
}

.nav a:hover {
  color: #0d243b;
}

.language-switcher {
  border: 1px solid rgba(77, 116, 151, 0.26);
  background: rgba(255, 255, 255, 0.86);
  color: #3f5d78;
}

.language-switcher select {
  color: #0d243b;
}

.hero-meta div,
.panel-card,
.soft,
.service-card,
.mini-panel,
.chart-card,
.pricing-card,
.metric-box,
.help-card,
.support-step,
.ghost-link {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(72, 116, 158, 0.2);
  box-shadow: 0 14px 28px rgba(20, 56, 94, 0.1);
}

.accent-card,
.showcase-main,
.featured-price,
.dark {
  color: #f7fbff;
  background:
    radial-gradient(circle at top right, rgba(10, 164, 184, 0.22), transparent 30%),
    linear-gradient(160deg, #2d4f72 0%, #1f3f60 55%, #173451 100%);
  border-color: rgba(240, 248, 255, 0.22);
}

.info-strip {
  color: #133454;
}

.showcase-content p,
.showcase-tag,
.accent-card .card-label,
.accent-card p {
  color: rgba(234, 245, 255, 0.86);
}

.chart-grid-lines {
  background-image:
    linear-gradient(to top, rgba(18, 56, 96, 0.1) 1px, transparent 1px),
    linear-gradient(to right, rgba(18, 56, 96, 0.07) 1px, transparent 1px);
}

.line-back {
  stroke: rgba(70, 104, 140, 0.42);
}

.line-front {
  stroke: var(--accent);
  filter: drop-shadow(0 6px 11px rgba(10, 164, 184, 0.28));
}

.chart-svg circle {
  fill: #ffffff;
  stroke: var(--accent);
}

.bar-track {
  background: rgba(34, 83, 131, 0.14);
}

.bar-fill {
  background: linear-gradient(90deg, #0aa4b8, #53bfd0);
  box-shadow: 0 6px 14px rgba(10, 164, 184, 0.25);
}

.bar-name,
.bar-value,
.price,
.chart-highlight {
  color: #153454;
}

.price-list {
  color: #3f5f7f;
}

.footer {
  border-top-color: rgba(72, 116, 158, 0.2);
}

/* Contrast fix for dark panels on light skin */
.accent-card h2,
.dark h3,
.dark p,
.showcase-main h3,
.showcase-main p,
.showcase-main .showcase-tag,
.bars-chart-card .chart-head h3,
.bars-chart-card .chart-label,
.bars-chart-card .bar-name,
.bars-chart-card .bar-value,
.bars-chart-card .chart-highlight,
.featured-price h3,
.featured-price .pricing-type,
.featured-price .price,
.featured-price .price-note,
.featured-price .price-list {
  color: #eef6ff;
}

.featured-price .price-note {
  color: rgba(230, 242, 255, 0.86);
}

@media (max-width: 1024px) {
  .hero,
  .intro-layout,
  .service-grid,
  .showcase-layout,
  .chart-grid,
  .pricing-grid,
  .metrics,
  .footer {
    grid-template-columns: 1fr;
  }

  .hero,
  .footer {
    display: grid;
  }

  .split {
    display: block;
  }

  .section-note {
    max-width: 100%;
    margin-top: 14px;
  }

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

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

  .help-summary-grid,
  .help-card-grid,
  .support-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 18px, 100%);
    margin: 9px auto;
    padding: 18px;
    border-radius: 24px;
  }

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

  .topbar-actions {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    gap: 14px;
  }

  .hero {
    padding-top: 8px;
  }

  .panel-grid,
  .service-grid,
  .chart-grid,
  .pricing-grid,
  .metrics {
    grid-template-columns: 1fr;
  }

  .footer-actions {
    justify-items: start;
  }

  .wide {
    grid-column: span 1;
  }

  .info-strip {
    padding: 18px 0;
  }

  .section {
    padding: 38px 0;
  }
}