:root {
  --ink: #101418;
  --muted: #5c6972;
  --paper: #f7f8f5;
  --white: #ffffff;
  --line: rgba(16, 20, 24, 0.12);
  --dark: #0b1014;
  --dark-2: #111a1d;
  --teal: #1db9a6;
  --green: #a6d45a;
  --amber: #f0b95a;
  --blue: #5b8cff;
  --shadow: 0 20px 70px rgba(16, 20, 24, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 76px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 max(20px, calc((100vw - 1160px) / 2));
  color: var(--white);
  background: rgba(11, 16, 20, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
}

.brand-logo {
  display: block;
  width: 38px;
  height: 38px;
  max-width: 38px;
  max-height: 38px;
  object-fit: contain;
  border-radius: 6px;
  flex-shrink: 0;
}

.brand-logo.large {
  width: 96px;
  height: 96px;
  max-width: 96px;
  max-height: 96px;
  margin-bottom: 20px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  line-height: 1.1;
}

.brand small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.72rem;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex: 1;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.76);
}

.nav-links a {
  transition: color 0.2s ease;
}

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

.header-cta {
  padding: 10px 16px;
  color: #08221e;
  background: var(--green);
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  position: relative;
  z-index: 51;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--white);
}

.section {
  padding: 108px 0;
}

.section-dark {
  color: var(--white);
  background: var(--dark);
}

.section-light {
  background: #eef2ea;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 116px 0 80px;
}

#hero-canvas,
.hero-grid {
  position: absolute;
  inset: 0;
}

#hero-canvas {
  opacity: 0.54;
  pointer-events: none;
}

.hero-grid {
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 92%);
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 0.86fr;
  gap: 60px;
  align-items: center;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.eyebrow::before,
.section-label::before {
  content: "";
  width: 24px;
  height: 2px;
  background: currentColor;
}

.hero h1 {
  margin: 18px 0 22px;
  font-size: 4rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.desktop-phrase {
  white-space: nowrap;
}

.mobile-phrase {
  display: none;
}

.hero-lead {
  max-width: 690px;
  margin: 0 0 34px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.18rem;
}

#platform-rotator {
  color: var(--green);
  font-weight: 800;
}

.hero-actions,
.trust-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  color: #08221e;
  background: linear-gradient(135deg, var(--green), var(--teal));
  box-shadow: 0 14px 40px rgba(29, 185, 166, 0.22);
}

.btn-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.trust-row {
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.7);
}

.trust-row span {
  padding: 10px 13px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
}

.trust-row strong {
  color: var(--white);
}

.hero-visual {
  perspective: 1200px;
}

.answer-console {
  padding: 20px;
  color: var(--white);
  background: rgba(17, 26, 29, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transform: rotateY(-7deg) rotateX(3deg);
}

.console-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.console-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--amber);
}

.console-top span:nth-child(2) {
  background: var(--green);
}

.console-top span:nth-child(3) {
  background: var(--teal);
}

.console-top p {
  margin: 0 0 0 auto;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.82rem;
}

.query-card,
.answer-card,
.metric-strip,
.source-stack {
  margin-top: 16px;
}

.query-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
}

.query-card small,
.answer-card small {
  color: rgba(255, 255, 255, 0.52);
}

.query-card p {
  margin: 8px 0 0;
  font-size: 1.02rem;
}

.answer-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: linear-gradient(135deg, rgba(29, 185, 166, 0.2), rgba(166, 212, 90, 0.18));
  border: 1px solid rgba(166, 212, 90, 0.25);
  border-radius: 8px;
}

.answer-card strong {
  display: block;
  font-size: 1.65rem;
}

.answer-card span {
  padding: 7px 10px;
  color: #08221e;
  background: var(--green);
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 800;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metric-strip div {
  padding: 14px 10px;
  text-align: center;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
}

.metric-strip strong {
  display: block;
  font-size: 1.3rem;
  color: var(--green);
}

.metric-strip span {
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.78rem;
}

.source-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.source-stack span {
  padding: 7px 9px;
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  font-size: 0.78rem;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-heading.align-left {
  margin-left: 0;
  text-align: left;
}

.section-heading h2 {
  margin: 12px 0 14px;
  font-size: 2.55rem;
  line-height: 1.18;
  letter-spacing: 0;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.section-dark .section-heading p {
  color: rgba(255, 255, 255, 0.66);
}

.shift-grid,
.geo-dimensions,
.method-grid,
.solutions-grid,
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.shift-card,
.dimension-card,
.method-card,
.solution-card,
.industry-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(16, 20, 24, 0.05);
}

.shift-card span,
.dimension-card span,
.process-step span {
  color: var(--teal);
  font-weight: 900;
}

.shift-card h3,
.dimension-card h3,
.method-card h3,
.solution-card h3,
.industry-card h3,
.process-step h3 {
  margin: 10px 0 8px;
  font-size: 1.2rem;
}

.shift-card p,
.dimension-card p,
.method-card p,
.solution-card p,
.industry-card p,
.process-step p {
  margin: 0;
  color: var(--muted);
}

.split-layout {
  display: grid;
  grid-template-columns: 0.86fr 1fr;
  gap: 46px;
  align-items: start;
  margin-bottom: 42px;
}

.compare-table {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.compare-row span {
  padding: 17px 18px;
  border-bottom: 1px solid var(--line);
}

.compare-row span + span {
  border-left: 1px solid var(--line);
}

.compare-head {
  color: var(--white);
  background: var(--dark-2);
  font-weight: 900;
}

.compare-row:not(.compare-head) span:last-child {
  color: #0a665d;
  font-weight: 700;
}

.geo-dimensions {
  grid-template-columns: repeat(4, 1fr);
}

.method {
  background:
    linear-gradient(180deg, rgba(29, 185, 166, 0.08), rgba(240, 185, 90, 0.08)),
    var(--paper);
}

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

.method-card {
  min-height: 178px;
}

.process-line {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.process-step {
  position: relative;
  padding: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}

.process-step p {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
}

.platform-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.platform-group {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.platform-group h3 {
  margin: 0 0 18px;
}

.platform-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.platform-cloud span {
  padding: 10px 13px;
  color: #08221e;
  background: rgba(29, 185, 166, 0.14);
  border: 1px solid rgba(29, 185, 166, 0.24);
  border-radius: 8px;
  font-weight: 800;
}

.platform-cloud.muted span {
  color: var(--ink);
  background: rgba(240, 185, 90, 0.14);
  border-color: rgba(240, 185, 90, 0.28);
}

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

.solution-card {
  min-height: 196px;
}

.solution-card small {
  color: var(--teal);
  font-weight: 900;
  text-transform: uppercase;
}

.report-layout {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: 50px;
  align-items: center;
}

.report-panel {
  padding: 26px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.report-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.report-head span {
  color: #08221e;
  background: var(--green);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 0.8rem;
  font-weight: 900;
}

.score-ring {
  width: 168px;
  height: 168px;
  display: grid;
  place-items: center;
  margin: 28px auto;
  text-align: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--dark) 54%, transparent 55%),
    conic-gradient(var(--green) 0 63%, rgba(255, 255, 255, 0.1) 63% 100%);
}

.score-ring strong,
.score-ring span {
  grid-area: 1 / 1;
}

.score-ring strong {
  font-size: 3rem;
}

.score-ring span {
  margin-top: 76px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.78rem;
}

.report-table {
  display: grid;
  gap: 10px;
}

.report-table div {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
}

.report-table span,
.report-table em {
  color: rgba(255, 255, 255, 0.62);
  font-style: normal;
}

.report-table strong {
  color: var(--green);
}

.industry-grid {
  grid-template-columns: repeat(5, 1fr);
}

.about-layout {
  display: grid;
  grid-template-columns: 0.45fr 1fr;
  gap: 46px;
  align-items: center;
}

.about-badge {
  padding: 44px 30px;
  text-align: center;
  color: var(--white);
  background: var(--dark);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.about-badge strong {
  display: block;
  font-size: 1.6rem;
}

.about-badge p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.62);
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.about-tags span {
  padding: 9px 12px;
  background: rgba(29, 185, 166, 0.12);
  border: 1px solid rgba(29, 185, 166, 0.22);
  border-radius: 8px;
  font-weight: 700;
}

.contact-section {
  color: var(--ink);
  background: linear-gradient(160deg, #f0faf8 0%, #f7f8f5 40%, #eef6e8 100%);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: 52px;
  align-items: start;
}

.contact-copy h2 {
  margin: 14px 0;
  font-size: 2.7rem;
  line-height: 1.16;
}

.contact-copy p {
  color: var(--muted);
  font-size: 1.05rem;
}

.form-promise {
  margin-top: 8px;
  padding: 12px 16px;
  color: #0a665d;
  background: rgba(29, 185, 166, 0.1);
  border: 1px solid rgba(29, 185, 166, 0.2);
  border-radius: 8px;
  font-size: 0.92rem;
}

.contact-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.contact-list li {
  padding: 13px 15px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(16, 20, 24, 0.04);
}

.contact-list li::before {
  content: "\2713";
  margin-right: 10px;
  color: var(--teal);
  font-weight: 900;
}

.lead-form {
  position: relative;
  padding: 32px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(16, 20, 24, 0.1);
}

.form-header {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.form-header h3 {
  margin: 0;
  font-size: 1.3rem;
  color: var(--ink);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.lead-form label {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
  color: var(--ink);
  font-weight: 400;
}

.label-text {
  font-weight: 700;
  font-size: 0.92rem;
}

.required {
  color: #e05252;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--ink);
  background: #f8f9f6;
  border: 1px solid #dfe3da;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.lead-form input::placeholder,
.lead-form textarea::placeholder {
  color: #a0a8a0;
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(29, 185, 166, 0.1);
  background: var(--white);
}

.submit-btn {
  width: 100%;
  margin-top: 4px;
  font-size: 1.05rem;
  min-height: 52px;
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.form-note {
  margin: 14px 0 0;
  color: #a0a8a0;
  font-size: 0.8rem;
  text-align: center;
}

.form-error {
  margin: 10px 0 0;
  padding: 10px 14px;
  color: #9b2c2c;
  background: #fff5f5;
  border: 1px solid #feb2b2;
  border-radius: 8px;
  font-size: 0.9rem;
  text-align: center;
}

.form-success {
  display: none;
  position: absolute;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  background: var(--white);
  border-radius: 12px;
}

.form-success.visible {
  display: flex;
}

.success-check {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--teal));
  margin-bottom: 20px;
  position: relative;
}

.success-check::after {
  content: "";
  position: absolute;
  left: 22px;
  top: 14px;
  width: 18px;
  height: 30px;
  border: solid var(--white);
  border-width: 0 4px 4px 0;
  transform: rotate(45deg);
}

.form-success h3 {
  margin: 0 0 10px;
  font-size: 1.5rem;
  color: var(--ink);
}

.form-success p {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 320px;
}

.site-footer {
  color: rgba(255, 255, 255, 0.7);
  background: #090d10;
  padding: 58px 0 24px;
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1.1fr;
  gap: 28px;
}

.footer-brand small {
  color: rgba(255, 255, 255, 0.48);
}

.site-footer h3 {
  margin: 0 0 14px;
  color: var(--white);
  font-size: 1rem;
}

.site-footer p {
  margin: 10px 0;
}

.site-footer a:not(.brand) {
  display: block;
  margin: 8px 0;
  color: rgba(255, 255, 255, 0.68);
}

.phone-numbers {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.phone-numbers a {
  display: inline-block;
  margin: 0;
}

.footer-bottom {
  width: min(1160px, calc(100% - 40px));
  margin: 34px auto 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.85rem;
}

.floating-actions {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  display: grid;
  gap: 10px;
}

.floating-actions a {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  color: #08221e;
  background: var(--green);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  font-weight: 900;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.08s;
}

.delay-2 {
  transition-delay: 0.16s;
}

.delay-3 {
  transition-delay: 0.24s;
}

@media (max-width: 1040px) {
  .nav-links,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .site-header.open .nav-links {
    position: absolute;
    inset: 76px 16px auto;
    display: grid;
    justify-content: stretch;
    gap: 0;
    padding: 12px;
    background: rgba(11, 16, 20, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
  }

  .site-header.open .nav-links a {
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .hero-layout,
  .split-layout,
  .report-layout,
  .about-layout,
  .contact-layout,
  .platform-groups {
    grid-template-columns: 1fr;
  }

  .process-line,
  .industry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .site-header {
    height: 68px;
    padding: 0 14px;
  }

  .site-header.open .nav-links {
    top: 68px;
  }

  .section {
    padding: 76px 0;
  }

  .hero {
    min-height: auto;
    padding: 90px 0 60px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .desktop-phrase {
    display: none;
  }

  .mobile-phrase {
    display: inline;
  }

  .hero-lead {
    font-size: 0.95rem;
  }

  .answer-console {
    transform: none;
    font-size: 0.9rem;
  }

  .answer-card strong {
    font-size: 1.2rem;
  }

  .section-heading h2,
  .contact-copy h2 {
    font-size: 1.8rem;
  }

  .shift-grid,
  .geo-dimensions,
  .method-grid,
  .solutions-grid,
  .industry-grid,
  .process-line,
  .footer-layout {
    grid-template-columns: 1fr;
  }

  .form-row,
  .compare-row {
    grid-template-columns: 1fr;
  }

  .compare-row span + span {
    border-left: 0;
  }

  .report-table div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .lead-form {
    padding: 20px;
  }

  .method-card {
    min-height: auto;
  }

  .solution-card {
    min-height: auto;
  }

  .score-ring {
    width: 140px;
    height: 140px;
  }

  .score-ring strong {
    font-size: 2.4rem;
  }

  .score-ring span {
    margin-top: 62px;
  }

  .phone-numbers {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .floating-actions {
    right: 12px;
    bottom: 12px;
  }

  .floating-actions a {
    width: 46px;
    height: 46px;
  }
}