:root {
  --ink: #061326;
  --navy: #071a3d;
  --blue: #1388ff;
  --cyan: #23d9ff;
  --mint: #6ef2d2;
  --gold: #ffc96b;
  --paper: #f6fbff;
  --muted: #718098;
  --line: rgba(49, 157, 255, 0.24);
  --shadow: 0 24px 80px rgba(4, 22, 55, 0.22);
  --content-max: 1200px;
  --content-pad: clamp(20px, 5vw, 72px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Trebuchet MS", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--paper);
}

body.nav-open {
  overflow: hidden;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px max(var(--content-pad), calc((100vw - var(--content-max)) / 2));
  color: white;
  transition: background 0.25s ease, border-color 0.25s ease, padding 0.25s ease;
}

.site-header.is-scrolled,
.site-header.nav-active {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(3, 13, 35, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-logo {
  width: 70px;
  height: 70px;
  object-fit: cover;
  object-position: center 36%;
}

.brand-text {
  font-size: 18px;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--cyan);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.2s ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 132px max(var(--content-pad), calc((100vw - var(--content-max)) / 2)) 72px;
  color: white;
  background:
    linear-gradient(100deg, rgba(1, 8, 28, 0.98) 0%, rgba(3, 19, 56, 0.96) 48%, rgba(4, 24, 67, 0.78) 100%),
    radial-gradient(circle at 70% 62%, rgba(35, 217, 255, 0.28), transparent 32%),
    #02091d;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(2, 9, 29, 0.98) 0%, rgba(2, 9, 29, 0.9) 38%, rgba(2, 9, 29, 0.46) 60%, rgba(2, 9, 29, 0.08) 100%),
    linear-gradient(180deg, rgba(2, 9, 29, 0.14), rgba(2, 9, 29, 0.84));
  content: "";
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 1;
  filter: saturate(1.08) contrast(1.02);
  transform: scale(1.01);
  animation: heroImageDrift 11s ease-in-out infinite alternate;
}

.hero-overlay {
  position: absolute;
  inset: auto 0 0;
  z-index: 1;
  height: 34%;
  background: linear-gradient(0deg, rgba(2, 9, 29, 0.94), transparent);
}

.hero-signal {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-signal span {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 22px rgba(110, 242, 210, 0.88);
  opacity: 0;
  animation: signalDrift 8s linear infinite;
}

.hero-signal span:nth-child(1) {
  top: 28%;
  left: 18%;
}

.hero-signal span:nth-child(2) {
  top: 46%;
  left: 48%;
  animation-delay: 1.6s;
}

.hero-signal span:nth-child(3) {
  top: 58%;
  left: 68%;
  animation-delay: 3.2s;
}

.hero-signal span:nth-child(4) {
  top: 34%;
  left: 82%;
  animation-delay: 4.8s;
}

@keyframes signalDrift {
  0% {
    opacity: 0;
    transform: translate3d(0, 16px, 0) scale(0.6);
  }
  16% {
    opacity: 0.85;
  }
  70% {
    opacity: 0.28;
  }
  100% {
    opacity: 0;
    transform: translate3d(44px, -72px, 0) scale(1.6);
  }
}

@keyframes heroImageDrift {
  from {
    transform: scale(1.01) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.045) translate3d(-12px, -8px, 0);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(660px, 100%);
  padding-top: 24px;
}

.hero-content > * {
  animation: heroContentRise 0.72s ease both;
}

.hero-content > *:nth-child(2) {
  animation-delay: 0.08s;
}

.hero-content > *:nth-child(3) {
  animation-delay: 0.16s;
}

.hero-content > *:nth-child(4) {
  animation-delay: 0.24s;
}

.hero-content > *:nth-child(5) {
  animation-delay: 0.32s;
}

@keyframes heroContentRise {
  from {
    opacity: 0;
    transform: translate3d(0, 18px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 4.4vw, 72px);
  line-height: 1.04;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero-copy {
  width: min(610px, 100%);
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 46px;
}

.button {
  display: inline-flex;
  position: relative;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 12px;
  padding: 0 22px;
  border: 1px solid transparent;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button::after {
  position: absolute;
  inset: -60% auto -60% -40%;
  width: 34%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.46), transparent);
  content: "";
  transform: skewX(-18deg) translateX(-180%);
}

.button:hover::after {
  animation: buttonSweep 0.72s ease;
}

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

@keyframes buttonSweep {
  to {
    transform: skewX(-18deg) translateX(520%);
  }
}

.button.primary {
  background: linear-gradient(135deg, var(--gold), #fff1c0 58%, var(--mint));
  color: #08224a;
  box-shadow: 0 18px 44px rgba(255, 201, 107, 0.24);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.34);
  color: white;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.hero-metrics {
  display: grid;
  width: min(760px, 100%);
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(35, 217, 255, 0.22);
  border-radius: 18px;
  background: rgba(5, 29, 73, 0.62);
  box-shadow: inset 0 0 32px rgba(35, 217, 255, 0.08);
  backdrop-filter: blur(18px);
}

.hero-metrics div {
  padding: 22px;
  background: rgba(255, 255, 255, 0.035);
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero-metrics div:hover {
  background: rgba(35, 217, 255, 0.08);
  transform: translateY(-3px);
}

.hero-metrics dt {
  margin-bottom: 6px;
  color: #fff;
  font-size: 26px;
  font-weight: 900;
}

.hero-metrics dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.section {
  padding: 92px var(--content-pad);
}

.section > * {
  width: min(var(--content-max), 100%);
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.92fr) minmax(300px, 1.08fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 34px;
}

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

.section-heading h2,
.cta h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 4vw, 58px);
  line-height: 1.08;
  letter-spacing: 0;
  text-wrap: balance;
}

.intro {
  margin-top: -1px;
  background: linear-gradient(180deg, #02091d, #061326);
  color: white;
}

.value-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.value-strip article {
  min-height: 250px;
  padding: 34px 30px;
  border-right: 1px solid var(--line);
}

.value-strip article:last-child {
  border-right: 0;
}

.value-strip span {
  display: block;
  margin-bottom: 40px;
  color: var(--gold);
  font-weight: 900;
}

.value-strip h3 {
  margin-bottom: 14px;
  font-size: 26px;
}

.value-strip p,
.service-card p,
.fit-panel p,
.deliverable-grid p,
.scenario-list p,
.case-card p,
.plan-card p,
.timeline p,
.about-copy p,
.faq-list p,
.cta p {
  color: var(--muted);
  line-height: 1.75;
}

.intro .value-strip p {
  color: rgba(255, 255, 255, 0.68);
}

.fit {
  background: #fff;
}

.fit-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
}

.fit-panel {
  padding: 34px;
  border: 1px solid rgba(6, 19, 38, 0.08);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f5faff);
  box-shadow: 0 14px 38px rgba(10, 36, 76, 0.07);
}

.fit-panel h3 {
  margin-bottom: 24px;
  font-size: 28px;
}

.muted-panel {
  background: #f7f9fc;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  line-height: 1.65;
}

.check-list li::before {
  position: absolute;
  top: 9px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 5px rgba(19, 136, 255, 0.12);
  content: "";
}

.muted-panel .check-list li::before {
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(255, 201, 107, 0.18);
}

.services {
  background:
    linear-gradient(135deg, rgba(19, 136, 255, 0.08), transparent 42%),
    #f6fbff;
}

.service-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.service-card {
  min-height: 260px;
  padding: 30px;
  border: 1px solid rgba(6, 19, 38, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 42px rgba(10, 36, 76, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card.featured {
  grid-row: span 3;
  min-height: 538px;
  color: white;
  background:
    linear-gradient(160deg, rgba(4, 19, 51, 0.98), rgba(8, 54, 118, 0.92)),
    var(--navy);
  box-shadow: var(--shadow);
}

.icon-box {
  display: grid;
  width: 50px;
  height: 50px;
  margin-bottom: 26px;
  place-items: center;
  border-radius: 12px;
  background: rgba(19, 136, 255, 0.12);
  color: var(--blue);
  font-weight: 900;
}

.featured .icon-box {
  background: rgba(35, 217, 255, 0.15);
  color: var(--mint);
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 26px;
}

.service-card.featured h3 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.06;
}

.service-card.featured p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.service-card ul {
  display: grid;
  gap: 14px;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  padding: 16px 18px;
  border: 1px solid rgba(35, 217, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.advisor {
  background:
    linear-gradient(135deg, rgba(2, 9, 29, 0.96), rgba(6, 38, 88, 0.92)),
    var(--navy);
  color: white;
}

.advisor-shell {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(360px, 1.22fr);
  gap: 18px;
}

.advisor-options {
  display: grid;
  gap: 12px;
}

.advisor-option {
  display: grid;
  gap: 8px;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 18px;
  color: white;
  font: inherit;
  text-align: left;
  background: rgba(255, 255, 255, 0.055);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.advisor-option:hover,
.advisor-option.is-active {
  border-color: rgba(110, 242, 210, 0.58);
  background: rgba(35, 217, 255, 0.12);
  transform: translateX(4px);
}

.advisor-option span {
  font-size: 22px;
  font-weight: 900;
}

.advisor-option small {
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.5;
}

.advisor-preview {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  border: 1px solid rgba(110, 242, 210, 0.26);
  border-radius: 8px;
  padding: clamp(28px, 4vw, 44px);
  background:
    radial-gradient(circle at 84% 18%, rgba(35, 217, 255, 0.22), transparent 28%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  box-shadow: inset 0 0 70px rgba(35, 217, 255, 0.08), var(--shadow);
  animation: advisorGlow 4.8s ease-in-out infinite alternate;
}

.advisor-preview::after {
  position: absolute;
  inset: auto -18% -34% 35%;
  height: 220px;
  border: 1px solid rgba(35, 217, 255, 0.18);
  border-radius: 50%;
  content: "";
  transform: rotate(-9deg);
}

@keyframes advisorGlow {
  from {
    box-shadow: inset 0 0 70px rgba(35, 217, 255, 0.08), var(--shadow);
  }
  to {
    box-shadow: inset 0 0 86px rgba(35, 217, 255, 0.15), 0 26px 88px rgba(4, 22, 55, 0.3);
  }
}

.advisor-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 38px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.advisor-status strong {
  border: 1px solid rgba(110, 242, 210, 0.36);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--mint);
  background: rgba(110, 242, 210, 0.08);
}

.advisor-preview h3 {
  margin-bottom: 16px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.06;
}

.advisor-preview p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.75;
}

.advisor-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0;
}

.advisor-stack span {
  border: 1px solid rgba(35, 217, 255, 0.2);
  border-radius: 999px;
  padding: 9px 13px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.07);
}

.advisor-output {
  display: grid;
  gap: 12px;
  margin: 0 0 34px;
  padding: 0;
  list-style: none;
}

.advisor-output li {
  position: relative;
  padding-left: 26px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.65;
}

.advisor-output li::before {
  position: absolute;
  top: 9px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 16px rgba(110, 242, 210, 0.65);
  content: "";
}

.deliverables {
  background: #fff;
}

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

.deliverable-grid article {
  min-height: 260px;
  padding: 28px;
  border: 1px solid rgba(6, 19, 38, 0.08);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f5faff);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.deliverable-grid span,
.case-tag,
.plan-label {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.deliverable-grid h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.scenarios {
  color: white;
  background:
    linear-gradient(120deg, rgba(2, 9, 29, 0.98), rgba(5, 42, 92, 0.94)),
    var(--navy);
}

.scenario-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 34px;
  background: var(--line);
}

.scenario-list article {
  min-height: 260px;
  padding: 28px;
  background: rgba(2, 9, 29, 0.92);
}

.scenario-list h3 {
  margin-bottom: 76px;
  font-size: 27px;
}

.scenario-list p {
  color: rgba(255, 255, 255, 0.68);
}

.cases {
  background:
    radial-gradient(circle at 12% 12%, rgba(35, 217, 255, 0.12), transparent 26%),
    #f6fbff;
}

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

.case-card {
  display: grid;
  align-content: start;
  min-height: 430px;
  padding: 30px;
  border: 1px solid rgba(6, 19, 38, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 42px rgba(10, 36, 76, 0.07);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.case-card h3 {
  margin-bottom: 16px;
  font-size: 30px;
}

.case-card dl {
  display: grid;
  gap: 14px;
  margin: 34px 0 0;
}

.case-card div {
  padding-top: 14px;
  border-top: 1px solid rgba(6, 19, 38, 0.09);
}

.case-card dt {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
}

.case-card dd {
  margin: 0;
  font-weight: 800;
  line-height: 1.55;
}

.plans {
  color: white;
  background:
    linear-gradient(135deg, rgba(2, 9, 29, 0.98), rgba(6, 36, 82, 0.96)),
    var(--navy);
}

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

.plan-card {
  display: flex;
  min-height: 520px;
  flex-direction: column;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.plan-card:hover,
.case-card:hover,
.service-card:hover,
.deliverable-grid article:hover {
  transform: translateY(-4px);
}

.plan-card.recommended {
  border-color: rgba(110, 242, 210, 0.44);
  background:
    linear-gradient(160deg, rgba(19, 136, 255, 0.28), rgba(255, 255, 255, 0.07)),
    rgba(255, 255, 255, 0.06);
  box-shadow: 0 22px 70px rgba(19, 136, 255, 0.18);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

.plan-card h3 {
  margin-bottom: 14px;
  font-size: 32px;
}

.plan-card p {
  color: rgba(255, 255, 255, 0.7);
}

.plan-card ul {
  display: grid;
  gap: 12px;
  margin: 28px 0 30px;
  padding: 0;
  list-style: none;
}

.plan-card li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.plan-card .button {
  margin-top: auto;
}

.button.secondary.dark {
  border-color: rgba(255, 255, 255, 0.22);
  color: white;
  background: rgba(255, 255, 255, 0.08);
}

.process {
  background: #fff;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: item;
}

.timeline li {
  position: relative;
  min-height: 280px;
  padding: 28px;
  border: 1px solid rgba(6, 19, 38, 0.08);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f4f9ff);
}

.timeline span {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 70px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  font-weight: 900;
}

.timeline h3 {
  font-size: 24px;
}

.process .section-heading {
  display: block;
  max-width: 760px;
  margin-bottom: 42px;
  text-align: center;
}

.process .timeline {
  width: min(1120px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.about {
  background: #f6fbff;
}

.about-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 48px;
  padding: clamp(32px, 5vw, 56px);
  border-radius: 8px;
  color: white;
  background:
    linear-gradient(135deg, rgba(3, 14, 38, 0.98), rgba(7, 45, 98, 0.94)),
    var(--navy);
  box-shadow: var(--shadow);
}

.about-card h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.08;
}

.about-copy p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.faq {
  background: #fff;
}

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

.faq-list details {
  border: 1px solid rgba(6, 19, 38, 0.09);
  border-radius: 8px;
  background: #f8fbff;
}

.faq-list summary {
  padding: 22px 24px;
  cursor: pointer;
  font-size: 20px;
  font-weight: 900;
}

.faq-list p {
  margin: 0;
  padding: 0 24px 24px;
}

.cta {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 0.75fr);
  gap: 48px;
  align-items: start;
  width: min(var(--content-max), calc(100% - (var(--content-pad) * 2)));
  margin: 0 auto 80px;
  padding: clamp(34px, 5vw, 58px);
  border-radius: 8px;
  color: white;
  background:
    linear-gradient(135deg, rgba(3, 14, 38, 0.98), rgba(5, 54, 111, 0.95)),
    var(--navy);
  box-shadow: var(--shadow);
}

.cta p {
  max-width: 720px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.72);
}

.contact-direct {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.contact-direct span {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  border: 1px solid rgba(35, 217, 255, 0.18);
  border-radius: 8px;
  padding: 12px 14px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.06);
}

.contact-panel,
.contact-form {
  display: grid;
  gap: 16px;
}

.wechat-card {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 18px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.08);
}

.wechat-card img {
  width: 116px;
  height: 116px;
  border-radius: 8px;
  background: white;
}

.wechat-card h3 {
  margin-bottom: 8px;
  color: white;
  font-size: 22px;
}

.wechat-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.65;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 15px 16px;
  color: white;
  font: inherit;
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(110, 242, 210, 0.14);
}

.contact-form ::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

.contact-form .button {
  width: 100%;
}

.form-note {
  margin: 0;
  font-size: 13px;
}

.form-note.is-done {
  color: var(--mint);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 20px;
  padding: 28px max(var(--content-pad), calc((100vw - var(--content-max)) / 2));
  color: rgba(255, 255, 255, 0.7);
  background: #02091d;
}

.site-footer p {
  margin: 0;
}

.footer-brand {
  margin-bottom: 8px;
  color: white;
  font-size: 20px;
  font-weight: 900;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

.footer-meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
  }

  .site-nav {
    max-width: 620px;
    flex-wrap: wrap;
    justify-content: flex-end;
    row-gap: 8px;
  }

  .hero {
    min-height: 860px;
    align-items: end;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(2, 9, 29, 0.98) 0%, rgba(2, 9, 29, 0.92) 48%, rgba(2, 9, 29, 0.48) 100%),
      linear-gradient(180deg, rgba(2, 9, 29, 0.18), rgba(2, 9, 29, 0.94));
  }

  .hero-media img {
    object-position: 64% center;
    opacity: 0.58;
  }

  .section-heading,
  .fit-layout,
  .service-grid,
  .advisor-shell,
  .about-card,
  .cta {
    grid-template-columns: 1fr;
  }

  .value-strip,
  .deliverable-grid,
  .scenario-list,
  .case-grid,
  .plan-grid,
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card.featured {
    min-height: auto;
  }

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

@media (max-width: 720px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand-text {
    font-size: 15px;
  }

  .brand-logo {
    width: 58px;
    height: 58px;
  }

  .nav-toggle {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
  }

  .nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: white;
  }

  .site-nav {
    position: fixed;
    inset: 72px 14px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 12px;
    background: rgba(2, 9, 29, 0.94);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 16px;
  }

  .hero {
    min-height: 760px;
    padding: 104px 18px 42px;
  }

  .hero-signal {
    display: none;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(2, 9, 29, 0.97), rgba(2, 9, 29, 0.86)),
      linear-gradient(180deg, rgba(2, 9, 29, 0.34), #02091d 74%);
  }

  .hero-media img {
    object-position: 68% center;
    opacity: 0.28;
  }

  .hero-actions {
    display: grid;
  }

  .hero-metrics,
  .value-strip,
  .deliverable-grid,
  .scenario-list,
  .case-grid,
  .plan-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero-metrics div,
  .value-strip article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding: 70px 18px;
  }

  .service-card,
  .deliverable-grid article,
  .scenario-list article,
  .case-card,
  .advisor-preview,
  .timeline li {
    min-height: auto;
  }

  .scenario-list h3,
  .timeline span {
    margin-bottom: 34px;
  }

  .cta {
    width: auto;
    margin: 0 18px 56px;
    padding: 28px;
  }

  .wechat-card {
    grid-template-columns: 1fr;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .faq-list summary {
    font-size: 18px;
  }
}