:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --ink: #152233;
  --muted: #5d697a;
  --line: #d6e1ef;
  --primary: #0b5db3;
  --primary-strong: #084b92;
  --accent: #008d78;
  --shadow: 0 18px 42px rgba(16, 41, 72, 0.12);
  --radius-lg: 22px;
  --radius-md: 14px;
  --container: 1160px;
  --font-main: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  color: var(--ink);
  line-height: 1.6;
  background: radial-gradient(circle at 12% -4%, #dce9ff 0%, transparent 40%), radial-gradient(circle at 100% 8%, #dff5f0 0%, transparent 34%), var(--bg);
  overflow-x: hidden;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

.bg-orb {
  position: fixed;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.28;
  pointer-events: none;
  z-index: -1;
}

.orb-a {
  background: #8cb7ff;
  top: -180px;
  left: -120px;
}

.orb-b {
  background: #73d6c0;
  right: -150px;
  bottom: -200px;
}

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

.site-header {
  width: min(var(--container), calc(100% - 32px));
  margin: 14px auto 0;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid rgba(214, 225, 239, 0.85);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(20, 50, 82, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 10px;
  z-index: 30;
}

.brand {
  display: grid;
  gap: 2px;
}

.brand-main {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--primary-strong);
}

.brand-sub {
  font-size: 0.76rem;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: color 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.nav-links a:hover {
  color: var(--primary-strong);
  background: rgba(11, 93, 179, 0.08);
  border-color: rgba(11, 93, 179, 0.22);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-toggle {
  min-width: 70px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.lang-toggle:hover {
  transform: translateY(-1px);
  background: #eef4ff;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: #244160;
}

.section {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
  padding: 80px 0;
  scroll-margin-top: 98px;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(236, 244, 255, 0.9));
  border-top: 1px solid rgba(214, 225, 239, 0.95);
  border-bottom: 1px solid rgba(214, 225, 239, 0.95);
}

.section-impact {
  padding-top: 72px;
  padding-bottom: 72px;
}

.hero {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 20px;
  padding-top: 56px;
}

.eyebrow {
  margin: 0;
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--primary-strong);
  background: rgba(11, 93, 179, 0.1);
  border: 1px solid rgba(11, 93, 179, 0.2);
}

.hero-content h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  font-weight: 600;
}

.hero-lead {
  margin: 16px 0 0;
  color: var(--muted);
  max-width: 60ch;
  font-size: 1.01rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(130deg, var(--primary) 0%, #1475d2 100%);
  box-shadow: 0 12px 25px rgba(11, 93, 179, 0.3);
}

.btn-ghost {
  border-color: var(--line);
  background: var(--surface);
}

.hero-pills {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-pills .pill-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 0.82rem;
  color: var(--muted);
}

.hero-pills .pill-item strong {
  color: var(--primary-strong);
  font-size: 0.84rem;
  letter-spacing: 0.01em;
  font-weight: 500;
  display: inline-block;
  line-height: 1;
  transform: translateY(1px);
}

.hero-dashboard {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(8, 75, 146, 0.2);
  background: linear-gradient(165deg, #0f2c4f 0%, #0d416c 100%);
  box-shadow: var(--shadow);
  color: #e5effd;
  padding: 22px;
}

.hero-dashboard h2 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.hero-dashboard-image {
  margin: 14px 0 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(229, 239, 253, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.hero-dashboard-image img {
  display: block;
  width: 100%;
  height: auto;
}

.kpi-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.kpi-grid article {
  border-radius: 12px;
  border: 1px solid rgba(229, 239, 253, 0.18);
  background: rgba(255, 255, 255, 0.06);
  padding: 10px;
}

.kpi-grid p {
  margin: 0;
  font-size: 1.28rem;
  font-weight: 800;
  color: #ffffff;
}

.kpi-grid span {
  display: block;
  margin-top: 3px;
  font-size: 0.76rem;
  color: #cedff4;
}

.hero-dashboard ul {
  margin: 16px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: #d0e0f5;
  font-size: 0.9rem;
}

.impact-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 14px;
}

.impact-card {
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 93, 179, 0.2);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(16, 41, 72, 0.08);
  padding: 20px;
}

.impact-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.impact-row {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid #deebfb;
  background: #f8fbff;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
  align-items: center;
  font-size: 0.86rem;
  color: var(--muted);
}

.impact-row strong {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
}

.impact-before {
  color: #8d4a37;
  background: #fff0ec;
  border: 1px solid #f2d0c4;
}

.impact-after {
  color: #0c6b5b;
  background: #edfff9;
  border: 1px solid #bde5d8;
}

.impact-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.impact-chart {
  margin: 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 10px 24px rgba(16, 41, 72, 0.08);
  overflow: hidden;
}

.impact-chart img {
  display: block;
  width: 100%;
  height: auto;
}

.section-head {
  max-width: 780px;
}

.kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.section-head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.62rem, 3vw, 2.35rem);
  line-height: 1.25;
  text-wrap: balance;
  font-weight: 600;
}

.card-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 10px 24px rgba(16, 41, 72, 0.08);
  padding: 20px;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(11, 93, 179, 0.33);
  box-shadow: 0 18px 34px rgba(16, 41, 72, 0.13);
}

.feature-card h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 600;
}

.feature-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.media-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.media-card {
  margin: 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 10px 24px rgba(16, 41, 72, 0.08);
  overflow: hidden;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.media-card:hover {
  transform: translateY(-5px);
  border-color: rgba(11, 93, 179, 0.33);
  box-shadow: 0 18px 34px rgba(16, 41, 72, 0.13);
}

.media-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  object-position: center center;
  padding: 4px;
  background: #eef4ff;
}

.media-card figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.workflow-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.step-card {
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 93, 179, 0.2);
  background: #ffffff;
  box-shadow: 0 10px 22px rgba(16, 41, 72, 0.08);
  padding: 16px;
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 32px rgba(16, 41, 72, 0.12);
}

.step-card > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(11, 93, 179, 0.12);
  color: var(--primary-strong);
  font-weight: 800;
  font-size: 0.84rem;
}

.step-card h3 {
  margin: 10px 0 0;
  font-size: 1rem;
  font-weight: 600;
}

.step-card p {
  margin: 8px 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.case-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.case-card {
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 141, 120, 0.22);
  background: linear-gradient(180deg, #f7fffd 0%, #ffffff 100%);
  box-shadow: 0 10px 24px rgba(16, 41, 72, 0.08);
  padding: 20px;
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 34px rgba(16, 41, 72, 0.13);
}

.case-tag {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--accent);
}

.case-card h3 {
  margin: 10px 0 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.case-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.case-metrics {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-metrics span {
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(11, 93, 179, 0.1);
  border: 1px solid rgba(11, 93, 179, 0.2);
  font-size: 0.8rem;
  color: var(--primary-strong);
}

.case-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.pricing-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.price-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(16, 41, 72, 0.08);
  padding: 20px;
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.price-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 34px rgba(16, 41, 72, 0.13);
}

.price-card.featured {
  border-color: rgba(11, 93, 179, 0.4);
  background: linear-gradient(180deg, #f2f8ff 0%, #ffffff 100%);
}

.price-tag {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent);
}

.price-card h3 {
  margin: 8px 0 0;
  font-size: 2rem;
  line-height: 1.1;
}

.price-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.pricing-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.terms-list {
  margin-top: 22px;
  display: grid;
  gap: 12px;
}

.term-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(16, 41, 72, 0.08);
  overflow: hidden;
}

.term-item[open] {
  border-color: rgba(11, 93, 179, 0.28);
  box-shadow: 0 16px 32px rgba(16, 41, 72, 0.12);
}

.term-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #1c2f45;
}

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

.term-item summary::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid #c7d8ef;
  background: #f4f8ff;
  color: var(--primary-strong);
  font-size: 0.95rem;
  line-height: 1;
  flex: 0 0 auto;
}

.term-item[open] summary::after {
  content: "-";
}

.term-item p {
  margin: 0;
  padding: 0 16px 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.term-item p + p {
  margin-top: 6px;
}

.section-contact {
  padding-bottom: 56px;
}

.contact-layout {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 14px;
  align-items: start;
}

.contact-card,
.qr-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(16, 41, 72, 0.08);
}

.contact-card {
  padding: 20px;
}

.contact-row {
  padding: 8px 0;
  border-bottom: 1px dashed #e0e8f3;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.contact-row:last-of-type {
  border-bottom: none;
}

.contact-row .label {
  min-width: 58px;
  color: #4c5d73;
  font-weight: 500;
}

.contact-row a {
  color: var(--primary-strong);
  border-bottom: 1px solid rgba(11, 93, 179, 0.25);
}

.contact-notes {
  margin-top: 12px;
  padding: 12px;
  border-radius: 12px;
  background: #f5f9ff;
  border: 1px solid #dbe7f6;
}

.contact-notes p {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.contact-notes p + p {
  margin-top: 7px;
}

.qr-card {
  padding: 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  align-self: start;
}

.qr-card img {
  display: block;
  width: 100%;
  max-width: 160px;
  margin: 0 auto;
  border-radius: 12px;
  border: 1px solid #e3ebf7;
  background: #fff;
}

.qr-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 18px 16px 28px;
  text-align: center;
  color: var(--muted);
  font-size: 0.84rem;
}

.site-footer p {
  margin: 0;
}

.icp-link {
  margin-top: 8px !important;
}

.icp-link a {
  color: var(--muted);
  border-bottom: 1px solid rgba(93, 105, 122, 0.32);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.mobile-quick-actions {
  display: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.mobile-quick-actions.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}

html[data-lang="zh"] .lang-en,
html[data-lang="en"] .lang-zh {
  display: none !important;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

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

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

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .qr-card {
    text-align: left;
  }

  .qr-card img {
    margin: 0;
  }
}

@media (max-width: 760px) {
  .site-header {
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
  }

  .brand {
    max-width: calc(100% - 132px);
  }

  .brand-sub {
    font-size: 0.72rem;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: min(252px, calc(100vw - 32px));
    padding: 10px;
    border-radius: 12px;
    border: 1px solid rgba(214, 225, 239, 0.95);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 18px 34px rgba(16, 41, 72, 0.16);
    display: grid;
    gap: 6px;
    justify-content: stretch;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    text-align: left;
    border-radius: 10px;
    border-color: rgba(214, 225, 239, 0.8);
    background: #f8fbff;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .lang-toggle {
    min-width: 58px;
    padding: 8px 10px;
  }

  .section {
    padding: 62px 0;
    scroll-margin-top: 86px;
  }

  .hero {
    padding-top: 30px;
  }

  .hero-content h1 {
    font-size: clamp(1.7rem, 8vw, 2.4rem);
  }

  .card-grid,
  .workflow-grid,
  .media-grid,
  .case-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .terms-list {
    gap: 10px;
  }

  .term-item summary {
    font-size: 0.92rem;
  }

  .term-item p {
    font-size: 0.88rem;
  }

  .contact-row {
    flex-direction: column;
    gap: 4px;
  }

  .contact-row .label {
    min-width: auto;
  }

  .qr-card {
    align-items: center;
    text-align: center;
  }

  .qr-card img {
    margin: 0 auto;
  }

  body {
    padding-bottom: 72px;
  }

  .section-contact {
    padding-bottom: 32px;
  }

  .mobile-quick-actions {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 10px;
    z-index: 40;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding: 8px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(214, 225, 239, 0.95);
    backdrop-filter: blur(8px);
    box-shadow: 0 14px 28px rgba(16, 41, 72, 0.16);
  }

  .mobile-quick-actions a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 6px;
    border-radius: 10px;
    border: 1px solid #d8e6f8;
    background: #f6faff;
    color: var(--primary-strong);
    font-size: 0.82rem;
    font-weight: 600;
    text-align: center;
  }
}