:root {
  --black: #050505;
  --ink: #111111;
  --graphite: #1b1b1d;
  --dark-gray: #303036;
  --mid-gray: #6f7278;
  --line: #d9d9dc;
  --soft-line: rgba(255, 255, 255, 0.16);
  --paper: #f4f4f4;
  --white: #ffffff;
  --glass: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  line-height: 1.7;
}

body.modal-open {
  overflow: hidden;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  width: 100%;
  height: 76px;
  padding: 0 clamp(20px, 5vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--white);
  background: rgba(5, 5, 5, 0.52);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(5, 5, 5, 0.9);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand__mark {
  width: 38px;
  height: 38px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 42px);
  font-size: 15px;
}

.site-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.76);
  transition: color 0.2s ease;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 1px;
  content: "";
  background: var(--white);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.22s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--white);
}

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

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: var(--white);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 96vh;
  overflow: hidden;
  display: grid;
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(5, 5, 5, 0.62), rgba(5, 5, 5, 0.92)),
    radial-gradient(circle at 72% 26%, rgba(255, 255, 255, 0.24), transparent 26%),
    var(--black);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.72;
}

.hero::after {
  position: absolute;
  inset: auto 0 0 0;
  height: 22vh;
  content: "";
  background: linear-gradient(180deg, transparent, var(--paper));
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding-top: 70px;
}

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

.hero .eyebrow,
.page-hero .eyebrow,
.section--dark .eyebrow {
  color: rgba(255, 255, 255, 0.62);
}

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

.hero h1 {
  max-width: 880px;
  margin-bottom: 22px;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 1.04;
  font-weight: 900;
}

.hero__lead {
  max-width: 720px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(18px, 2vw, 22px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid currentColor;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.btn--light {
  color: var(--black);
  background: var(--white);
  border-color: var(--white);
}

.btn--ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.28);
}

.btn--dark {
  color: var(--white);
  background: var(--black);
  border-color: var(--black);
}

.text-link {
  position: relative;
  display: inline-flex;
  width: max-content;
  align-items: center;
  margin-top: 18px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.text-link::after {
  width: 26px;
  height: 1px;
  margin-left: 10px;
  content: "";
  background: currentColor;
  transition: width 0.2s ease;
}

.text-link:hover::after {
  width: 42px;
}

.hero__metrics {
  position: absolute;
  right: clamp(20px, 5vw, 72px);
  bottom: 38px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  width: min(620px, calc(100% - 40px));
  border: 1px solid var(--soft-line);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.hero__metrics div {
  padding: 22px;
  border-right: 1px solid var(--soft-line);
}

.hero__metrics div:last-child {
  border-right: 0;
}

.hero__metrics strong {
  display: block;
  margin-bottom: 6px;
  font-size: 28px;
  line-height: 1;
}

.hero__metrics span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.section {
  padding: clamp(76px, 10vw, 128px) clamp(20px, 5vw, 72px);
}

.section__head {
  width: min(760px, 100%);
  margin-bottom: 42px;
}

.section__head h2,
.insight-layout h2,
.contact-info h2 {
  margin-bottom: 14px;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.12;
}

.section__head p,
.insight-layout p,
.contact-info p {
  color: var(--mid-gray);
  font-size: 17px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-card {
  min-height: 270px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.8), rgba(230, 230, 232, 0.72)),
    var(--white);
  transition: transform 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.service-card:hover {
  position: relative;
  z-index: 1;
  transform: translateY(-6px);
  background: var(--white);
  box-shadow: var(--shadow);
}

.service-card--wide {
  grid-column: span 2;
}

.service-card__index {
  display: block;
  margin-bottom: 72px;
  color: var(--mid-gray);
  font-weight: 900;
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.25;
}

.service-card p {
  margin-bottom: 0;
  color: var(--mid-gray);
}

.training-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 1.4vw, 24px);
}

.training-card {
  min-height: 590px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: clamp(28px, 3vw, 46px) clamp(20px, 2.6vw, 36px);
  color: var(--white);
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.16);
}

.training-card--blue {
  background: linear-gradient(180deg, #377df5 0%, #a8cff8 100%);
}

.training-card--purple {
  background: linear-gradient(180deg, #7c4cf3 0%, #bca8f2 100%);
}

.training-card--green {
  background: linear-gradient(180deg, #74b820 0%, #c7dfaa 100%);
}

.training-card--black {
  background: linear-gradient(180deg, #050505 0%, #969993 100%);
}

.training-card__head {
  min-height: 150px;
}

.training-card__head h3 {
  margin-bottom: 4px;
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1.15;
}

.training-card__head p {
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.22;
}

.training-card__head::after {
  display: block;
  width: 132px;
  height: 8px;
  content: "";
  background: repeating-linear-gradient(105deg, rgba(255, 255, 255, 0.7) 0 2px, transparent 2px 7px);
  opacity: 0.72;
}

.training-list {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.training-list li {
  min-height: 70px;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: center;
  padding: 12px 14px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.training-list li:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.2);
}

.training-list span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--black);
  background: var(--white);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.training-list a {
  position: relative;
  display: block;
  padding-right: 18px;
  color: var(--white);
  font-size: 17px;
  font-weight: 900;
  line-height: 1.35;
}

.training-list a::after {
  position: absolute;
  top: 50%;
  right: 0;
  content: "↗";
  transform: translateY(-50%);
}

.section--dark {
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    var(--black);
  background-size: 64px 64px;
}

.insight-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: clamp(40px, 8vw, 110px);
  align-items: start;
}

.section--dark p {
  color: rgba(255, 255, 255, 0.68);
}

.compare-layout {
  display: grid;
  gap: 42px;
}

.compare-intro {
  width: min(900px, 100%);
}

.compare-intro h2 {
  margin-bottom: 16px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.12;
}

.compare-intro p {
  font-size: 18px;
}

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

.compare-card {
  padding: clamp(24px, 4vw, 36px);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--soft-line);
}

.compare-card--wide {
  grid-column: 1 / -1;
}

.compare-card h3 {
  margin-bottom: 18px;
  color: var(--white);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.22;
}

.compare-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
}

.compare-list {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compare-list li {
  position: relative;
  padding-left: 34px;
  color: rgba(255, 255, 255, 0.76);
}

.compare-list li::before {
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 900;
}

.compare-list--bad li::before {
  content: "×";
  color: #cfcfcf;
}

.compare-list--good li::before {
  content: "✓";
  color: #ffffff;
}

.compare-list--gain li::before {
  content: ">";
  color: #ffffff;
}

.process-list {
  border-top: 1px solid var(--soft-line);
}

.process-list div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 22px;
  padding: 28px 0;
  border-bottom: 1px solid var(--soft-line);
}

.process-list span {
  color: var(--white);
  font-size: 20px;
  font-weight: 900;
}

.process-list p {
  margin-bottom: 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.news-card {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.news-card div {
  padding: 24px;
}

.news-card span,
.article-item span,
.scope-item span {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--mid-gray);
  font-size: 13px;
  font-weight: 900;
}

.news-card h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.35;
}

.news-card p {
  margin-bottom: 0;
  color: var(--mid-gray);
}

.news-card .text-link {
  color: var(--ink);
}

.site-footer {
  color: var(--white);
  background: var(--black);
}

.footer__main {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(160px, 0.45fr) minmax(220px, 0.62fr);
  gap: clamp(34px, 7vw, 92px);
  padding: clamp(54px, 7vw, 84px) clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--soft-line);
}

.brand--footer {
  margin-bottom: 24px;
}

.footer__main p,
.footer__meta,
.footer__bottom {
  color: rgba(255, 255, 255, 0.62);
}

.footer__meta {
  margin-top: 26px;
}

.footer__nav,
.footer__services {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer__nav h2,
.footer__services h2 {
  margin-bottom: 8px;
  color: var(--white);
  font-size: 18px;
}

.footer__nav a,
.footer__services a {
  color: rgba(255, 255, 255, 0.62);
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer__nav a:hover,
.footer__services a:hover {
  color: var(--white);
  transform: translateX(4px);
}

.message-form {
  display: grid;
  gap: 16px;
}

.message-form h2 {
  margin-bottom: 4px;
  font-size: 28px;
}

.message-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.message-form input,
.message-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 14px 16px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
  font: inherit;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.message-form textarea {
  resize: vertical;
}

.message-form input:focus,
.message-form textarea:focus {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.1);
}

.form-tip {
  min-height: 24px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--soft-line);
  font-size: 14px;
}

.site-footer--compact {
  margin-top: 0;
}

.float-message {
  position: fixed;
  right: 22px;
  top: 50%;
  z-index: 60;
  width: 62px;
  min-height: 92px;
  display: grid;
  gap: 6px;
  place-items: center;
  padding: 12px 8px;
  color: var(--black);
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.16);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
  cursor: pointer;
  transform: translateY(-50%);
  transition: transform 0.2s ease, background 0.2s ease;
}

.float-message:hover {
  background: #ececec;
  transform: translateY(-50%) translateX(-4px);
}

.float-message span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--black);
  border-radius: 50%;
  font-size: 18px;
}

.float-message strong {
  font-size: 14px;
  writing-mode: vertical-rl;
}

.message-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.message-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.message-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(10px);
}

.message-modal__panel {
  position: relative;
  width: min(520px, 100%);
  max-height: calc(100vh - 40px);
  overflow: auto;
  background: var(--white);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
}

.message-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--white);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.page-hero {
  min-height: 54vh;
  display: grid;
  align-items: end;
  padding: 150px clamp(20px, 5vw, 72px) 76px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(5, 5, 5, 0.86), rgba(5, 5, 5, 0.64)),
    url("../images/page-matrix.svg") center / cover,
    var(--black);
}

.page-hero div {
  width: min(840px, 100%);
}

.page-hero h1 {
  margin-bottom: 18px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.08;
}

.page-hero p:last-child {
  max-width: 720px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 19px;
}

.scope-grid {
  display: grid;
  gap: 22px;
}

.scope-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 62px);
  padding: clamp(26px, 5vw, 44px);
  border: 1px solid var(--line);
  background: var(--white);
}

.scope-item h2 {
  margin-bottom: 12px;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.18;
}

.scope-item p,
.scope-item li {
  color: var(--mid-gray);
}

.scope-item ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding-left: 20px;
}

.article-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.article-item {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: clamp(24px, 5vw, 80px);
  padding: clamp(28px, 5vw, 48px) 0;
  border-bottom: 1px solid var(--line);
}

.article-item time {
  color: var(--mid-gray);
  font-weight: 900;
}

.article-item h2 {
  margin-bottom: 12px;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.18;
}

.article-item p {
  max-width: 900px;
  margin-bottom: 0;
  color: var(--mid-gray);
}

.detail-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: clamp(34px, 6vw, 84px);
  align-items: start;
}

.detail-content {
  padding: clamp(30px, 5vw, 56px);
  background: var(--white);
  border: 1px solid var(--line);
}

.detail-content h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.16;
}

.detail-content p {
  color: var(--dark-gray);
  font-size: 17px;
}

.detail-block {
  margin-top: 34px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.detail-block h3,
.detail-block h2 {
  margin-bottom: 14px;
  font-size: clamp(24px, 3vw, 32px);
}

.detail-block ul,
.detail-block ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
  color: var(--mid-gray);
}

.detail-aside {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 18px;
  padding: 28px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    var(--black);
  background-size: 36px 36px;
}

.detail-aside h2 {
  margin-bottom: 0;
  font-size: 26px;
}

.detail-aside ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.72);
}

.detail-aside a:not(.btn) {
  padding-bottom: 14px;
  color: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid var(--soft-line);
  transition: color 0.2s ease;
}

.detail-aside a:not(.btn):hover {
  color: var(--white);
}

.detail-aside .btn {
  margin-top: 8px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
  color: var(--mid-gray);
  font-weight: 900;
}

.contact-section {
  padding-top: 72px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 0.64fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: stretch;
}

.contact-info {
  padding: clamp(30px, 5vw, 52px);
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}

.contact-info dl {
  display: grid;
  gap: 18px;
  margin: 32px 0;
}

.contact-info div {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.contact-info dt {
  color: var(--mid-gray);
}

.contact-info dd {
  margin: 0;
}

.contact-info img {
  width: 100%;
  margin-top: 28px;
  border: 1px solid var(--line);
}

.message-form--light {
  padding: clamp(30px, 5vw, 52px);
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}

.message-form--light label {
  color: var(--dark-gray);
}

.message-form--light input,
.message-form--light textarea {
  color: var(--ink);
  border-color: var(--line);
  background: var(--paper);
}

.message-form--light input:focus,
.message-form--light textarea:focus {
  border-color: var(--ink);
  background: var(--white);
}

.message-form--light .form-tip {
  color: var(--mid-gray);
}

@media (max-width: 1180px) {
  .training-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .service-grid,
  .news-grid,
  .insight-layout,
  .footer__main,
  .contact-panel,
  .detail-section {
    grid-template-columns: 1fr;
  }

  .service-card--wide {
    grid-column: span 1;
  }

  .hero__metrics {
    position: relative;
    right: auto;
    bottom: auto;
    z-index: 2;
    margin: -130px auto 42px;
  }

  .scope-item {
    grid-template-columns: 1fr;
  }

  .detail-aside {
    position: static;
  }

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

  .compare-card--wide {
    grid-column: auto;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: 68px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    display: grid;
    gap: 0;
    padding: 8px 20px 18px;
    background: rgba(5, 5, 5, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

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

  .site-nav a {
    padding: 14px 0;
  }

  .hero {
    min-height: 100vh;
    align-items: start;
    padding-top: 118px;
  }

  .hero__content {
    padding-top: 0;
  }

  .hero h1 {
    font-size: clamp(42px, 14vw, 64px);
  }

  .hero__metrics {
    grid-template-columns: 1fr;
    margin-top: -74px;
  }

  .hero__metrics div {
    border-right: 0;
    border-bottom: 1px solid var(--soft-line);
  }

  .hero__metrics div:last-child {
    border-bottom: 0;
  }

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

  .service-grid {
    border-left: 0;
  }

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

  .training-card {
    min-height: auto;
    border-radius: 22px;
  }

  .training-card__head {
    min-height: 130px;
  }

  .service-card {
    border-left: 1px solid var(--line);
  }

  .process-list div,
  .article-item,
  .footer__bottom {
    grid-template-columns: 1fr;
  }

  .article-item {
    gap: 10px;
  }

  .footer__bottom {
    display: grid;
  }

  .float-message {
    right: 16px;
    top: auto;
    bottom: 18px;
    width: 58px;
    min-height: 58px;
    padding: 8px;
    border-radius: 50%;
    transform: none;
  }

  .float-message:hover {
    transform: translateY(-3px);
  }

  .float-message span {
    width: 34px;
    height: 34px;
  }

  .float-message strong {
    display: none;
  }

  .message-modal {
    padding: 14px;
  }
}

/* Pink-purple light AI marketing theme */
:root {
  --black: #111827;
  --ink: #111827;
  --graphite: #273449;
  --dark-gray: #334155;
  --mid-gray: #64748b;
  --line: #e2e8f0;
  --soft-line: rgba(148, 163, 184, 0.24);
  --paper: #f8fbff;
  --white: #ffffff;
  --accent: #ef3f72;
  --accent-2: #9a55f5;
  --accent-soft: #fff1f6;
  --violet-soft: #f5f0ff;
  --shadow: 0 22px 70px rgba(99, 102, 241, 0.14);
}

body {
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 16%, rgba(239, 63, 114, 0.08), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(154, 85, 245, 0.10), transparent 30%),
    linear-gradient(180deg, #fbfdff 0%, #f8fbff 42%, #ffffff 100%);
}

.site-header {
  height: 74px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 10px 34px rgba(15, 23, 42, 0.04);
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.08);
}

.brand {
  color: var(--ink);
  font-weight: 900;
}

.brand__mark {
  padding: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(239, 63, 114, 0.22);
}

.site-nav a {
  color: #475569;
  font-weight: 800;
}

.site-nav a::after {
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--accent);
}

.nav-toggle {
  color: var(--ink);
  border-color: var(--line);
  border-radius: 12px;
}

.hero {
  min-height: 92vh;
  padding-top: 74px;
  align-items: center;
  text-align: center;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 44%, rgba(154, 85, 245, 0.10), transparent 28%),
    radial-gradient(circle at 36% 62%, rgba(239, 63, 114, 0.08), transparent 26%),
    linear-gradient(180deg, #fafdff 0%, #f6fbff 72%, #ffffff 100%);
}

.hero::after {
  height: 18vh;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.95));
}

.hero__canvas {
  opacity: 0.85;
}

.hero__content {
  width: min(980px, calc(100% - 40px));
  padding-top: 0;
}

.eyebrow {
  width: max-content;
  max-width: 100%;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding: 9px 18px;
  color: #475569;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.04);
  text-transform: none;
}

.eyebrow::before {
  content: "✦";
  color: var(--accent);
  font-size: 16px;
}

.hero .eyebrow,
.page-hero .eyebrow,
.section--dark .eyebrow {
  color: #475569;
}

.hero h1 {
  max-width: 980px;
  margin: 0 auto 20px;
  color: var(--ink);
  font-size: clamp(48px, 6.2vw, 86px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero h1,
.section__head h2,
.insight-layout h2,
.contact-info h2,
.page-hero h1 {
  background: linear-gradient(90deg, #111827 8%, var(--accent) 48%, var(--accent-2) 88%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 760px;
  margin: 0 auto 34px;
  color: #52627a;
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 700;
  line-height: 1.55;
}

.hero__actions {
  justify-content: center;
  gap: 18px;
}

.btn {
  min-height: 60px;
  padding: 0 34px;
  border-radius: 14px;
  border-color: transparent;
  font-size: 18px;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 38px rgba(154, 85, 245, 0.18);
}

.btn--light,
.btn--dark {
  color: var(--white);
  background: linear-gradient(135deg, #ff6370 0%, var(--accent) 42%, var(--accent-2) 100%);
  border-color: transparent;
}

.btn--ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  border-color: var(--line);
}

.text-link {
  color: var(--accent);
}

.hero__metrics {
  left: 50%;
  right: auto;
  bottom: 58px;
  width: min(760px, calc(100% - 40px));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  color: #52627a;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  transform: translateX(-50%);
}

.hero__metrics div {
  padding: 12px 18px;
  border: 0;
}

.hero__metrics strong {
  margin-bottom: 2px;
  color: #c84e9a;
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 900;
}

.hero__metrics span {
  color: #64748b;
  font-size: 16px;
}

.section {
  position: relative;
  padding-top: clamp(82px, 8vw, 112px);
  padding-bottom: clamp(82px, 8vw, 112px);
}

.section__head {
  width: min(860px, 100%);
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section__head h2,
.insight-layout h2,
.contact-info h2 {
  letter-spacing: -0.03em;
}

.section__head p,
.insight-layout p,
.contact-info p,
.service-card p,
.news-card p,
.scope-item p,
.scope-item li,
.article-item p,
.detail-content p {
  color: #64748b;
}

.service-card,
.news-card,
.scope-item,
.detail-content,
.message-form--light {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(226, 232, 240, 0.96);
  border-radius: 24px;
  box-shadow: 0 18px 48px rgba(99, 102, 241, 0.08);
}

.service-grid {
  gap: 18px;
  border: 0;
}

.service-card {
  border-right: 1px solid rgba(226, 232, 240, 0.96);
  border-bottom: 1px solid rgba(226, 232, 240, 0.96);
}

.service-card:hover,
.news-card:hover,
.scope-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 70px rgba(154, 85, 245, 0.14);
}

.training-grid {
  gap: clamp(18px, 2vw, 28px);
}

.training-card {
  min-height: 560px;
  padding: clamp(30px, 3.2vw, 48px);
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 28px;
  box-shadow: 0 28px 80px rgba(99, 102, 241, 0.15);
}

.training-card--purple {
  background:
    radial-gradient(circle at 80% 12%, rgba(255, 255, 255, 0.34), transparent 28%),
    linear-gradient(180deg, #8b5cf6 0%, #c8b7ff 100%);
}

.training-card--green {
  background:
    radial-gradient(circle at 78% 12%, rgba(255, 255, 255, 0.32), transparent 28%),
    linear-gradient(180deg, #ec4899 0%, #a855f7 100%);
}

.training-card--black {
  background:
    radial-gradient(circle at 78% 12%, rgba(255, 255, 255, 0.28), transparent 28%),
    linear-gradient(180deg, #111827 0%, #6366f1 100%);
}

.training-card__head h3 {
  font-size: clamp(32px, 3vw, 44px);
  letter-spacing: -0.04em;
}

.training-card__head p {
  color: rgba(255, 255, 255, 0.94);
}

.training-list li {
  min-height: 76px;
  grid-template-columns: 56px 1fr;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: 14px;
  backdrop-filter: blur(10px);
}

.training-list span {
  width: 56px;
  height: 56px;
  color: var(--ink);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.training-list a {
  font-size: clamp(17px, 1.35vw, 22px);
}

.section--dark {
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 20%, rgba(239, 63, 114, 0.10), transparent 28%),
    radial-gradient(circle at 80% 22%, rgba(154, 85, 245, 0.12), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.section--dark p,
.compare-card p,
.compare-list li {
  color: #64748b;
}

.compare-card {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 48px rgba(99, 102, 241, 0.08);
}

.compare-card h3 {
  color: var(--ink);
}

.compare-list--bad li::before {
  color: #ef3f72;
}

.compare-list--good li::before,
.compare-list--gain li::before {
  color: #9a55f5;
}

.news-card {
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.site-footer {
  color: var(--ink);
  background:
    radial-gradient(circle at 22% 0%, rgba(239, 63, 114, 0.12), transparent 30%),
    radial-gradient(circle at 82% 0%, rgba(154, 85, 245, 0.14), transparent 30%),
    #ffffff;
}

.footer__main,
.footer__bottom {
  border-color: var(--line);
}

.footer__main p,
.footer__meta,
.footer__bottom,
.footer__nav a,
.footer__services a {
  color: #64748b;
}

.footer__nav h2,
.footer__services h2 {
  color: var(--ink);
}

.footer__nav a:hover,
.footer__services a:hover {
  color: var(--accent);
}

.message-form label {
  color: #64748b;
}

.message-form input,
.message-form textarea {
  color: var(--ink);
  background: #f8fafc;
  border-color: var(--line);
  border-radius: 12px;
}

.form-tip {
  color: #64748b;
}

.float-message {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 18px 52px rgba(154, 85, 245, 0.16);
}

.float-message span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.float-message:hover {
  background: #ffffff;
}

.page-hero {
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 38%, rgba(154, 85, 245, 0.12), transparent 30%),
    linear-gradient(180deg, #fafdff 0%, #f6fbff 100%);
}

.page-hero p:last-child {
  color: #64748b;
}

@media (max-width: 980px) {
  .hero__metrics {
    position: relative;
    left: auto;
    bottom: auto;
    margin: 34px auto 0;
    transform: none;
  }
}

@media (max-width: 760px) {
  .site-nav {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
  }

  .hero {
    min-height: auto;
    padding-top: 116px;
    padding-bottom: 72px;
  }

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

  .hero h1 {
    font-size: clamp(40px, 12vw, 58px);
  }

  .btn {
    width: 100%;
  }
}

.news-grid {
  align-items: stretch;
}

.news-card {
  position: relative;
  min-height: 280px;
  display: flex;
  overflow: hidden;
}

.news-card::before {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 54px;
  height: 54px;
  content: "";
  background:
    linear-gradient(90deg, rgba(154, 85, 245, 0.28) 1px, transparent 1px),
    linear-gradient(180deg, rgba(239, 63, 114, 0.22) 1px, transparent 1px);
  background-size: 9px 9px;
  border-radius: 14px;
  opacity: 0.88;
}

.news-card div {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: clamp(26px, 3vw, 34px);
}

.news-card span {
  width: max-content;
  padding: 5px 12px;
  color: var(--accent);
  background: rgba(154, 85, 245, 0.08);
  border: 1px solid rgba(154, 85, 245, 0.16);
  border-radius: 999px;
}

.news-card h3 {
  margin-top: 22px;
  font-size: clamp(24px, 2.6vw, 32px);
}

.news-card p {
  margin-bottom: 18px;
}

.news-card .text-link {
  margin-top: auto;
}

.scope-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 26px);
}

.scope-item {
  position: relative;
  display: flex;
  min-height: 360px;
  overflow: hidden;
  padding: clamp(28px, 4vw, 44px);
}

.scope-item::before {
  position: absolute;
  top: 28px;
  right: 30px;
  color: rgba(154, 85, 245, 0.11);
  content: attr(data-index);
  font-size: clamp(70px, 9vw, 112px);
  font-weight: 900;
  line-height: 1;
}

.scope-item > div {
  position: relative;
  z-index: 1;
  display: flex;
  width: 100%;
  flex-direction: column;
}

.scope-item span {
  width: max-content;
  padding: 5px 12px;
  color: var(--accent);
  background: rgba(154, 85, 245, 0.08);
  border: 1px solid rgba(154, 85, 245, 0.16);
  border-radius: 999px;
}

.scope-item h2 {
  margin-top: 22px;
  font-size: clamp(28px, 3.2vw, 40px);
}

.scope-item ul {
  margin-bottom: 22px;
}

.scope-item .text-link {
  margin-top: auto;
}

.contact-info {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(226, 232, 240, 0.96);
  border-radius: 24px;
  box-shadow: 0 18px 48px rgba(99, 102, 241, 0.08);
}

.contact-info dl {
  gap: 14px;
}

.contact-info div {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.contact-info dt {
  color: #64748b;
}

.contact-info dd {
  color: var(--ink);
  font-weight: 800;
}

.contact-info img {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 18px;
}

@media (max-width: 980px) {
  .scope-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .news-card,
  .scope-item {
    min-height: auto;
  }

  .news-card::before,
  .scope-item::before {
    opacity: 0.42;
  }
}