:root {
  --green: #12d63d;
  --green-dark: #07972a;
  --ink: #111815;
  --muted: #717b76;
  --line: rgba(17, 24, 21, 0.1);
  --soft: #f5f7f6;
  --white: #ffffff;
  --nav-height: 60px;
  --font-sans:
    "HarmonyOS Sans SC", "MiSans", "Alibaba PuHuiTi", "Source Han Sans SC", "Noto Sans CJK SC",
    "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-display:
    "HarmonyOS Sans SC", "MiSans", "Alibaba PuHuiTi", "Source Han Sans SC", "Noto Sans CJK SC",
    "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  line-height: 1.5;
}

body.is-menu-open {
  overflow: hidden;
}

a,
button {
  color: inherit;
  font: inherit;
}

a {
  text-decoration: none;
}

.nav-shell {
  position: fixed;
  z-index: 40;
  top: 0;
  left: 0;
  right: 0;
  --nav-bg: transparent;
  --nav-fg: var(--white);
  --nav-border: transparent;
  height: var(--nav-height);
  background: var(--nav-bg);
  box-shadow: none;
  transition:
    background 180ms ease,
    box-shadow 180ms ease;
}

.nav-shell::before {
  position: absolute;
  z-index: 41;
  inset: 0;
  height: var(--nav-height);
  content: "";
  background: transparent;
  pointer-events: none;
  transition: background 180ms ease;
}

.nav-shell:hover,
.nav-shell:focus-within,
.nav-shell.is-open,
.nav-shell.is-scrolled,
.nav-shell.is-mobile-open {
  --nav-bg: #fff;
  --nav-fg: var(--ink);
  --nav-border: rgba(17, 24, 21, 0.08);
  box-shadow: 0 8px 28px rgba(16, 32, 24, 0.08);
}

.nav-shell:hover::before,
.nav-shell:focus-within::before,
.nav-shell.is-open::before,
.nav-shell.is-scrolled::before,
.nav-shell.is-mobile-open::before {
  background: #fff;
}

.site-header {
  position: relative;
  z-index: 42;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 36px;
  height: var(--nav-height);
  min-height: var(--nav-height);
  padding: 0 clamp(28px, 3.6vw, 56px);
  color: var(--nav-fg);
  background: transparent;
  border-bottom: 1px solid var(--nav-border);
  backdrop-filter: none;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.nav-shell:hover .site-header,
.nav-shell:focus-within .site-header,
.nav-shell.is-open .site-header,
.nav-shell.is-scrolled .site-header,
.nav-shell.is-mobile-open .site-header {
  background: #fff;
}

.nav-shell.is-open .site-header {
  box-shadow: 0 10px 32px rgba(16, 32, 24, 0.07);
}

.about-page .nav-shell,
.nav-shell-light {
  --nav-bg: #fff;
  --nav-fg: var(--ink);
  --nav-border: rgba(17, 24, 21, 0.08);
  background: #fff;
  box-shadow: 0 8px 28px rgba(16, 32, 24, 0.08);
}

.about-page .nav-shell::before,
.nav-shell-light::before,
.about-page .site-header,
.nav-shell-light .site-header {
  background: #fff;
}

.nav-link.is-current {
  color: var(--green);
  opacity: 1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 146px;
  color: inherit;
  font-size: 23px;
  font-weight: 850;
  letter-spacing: 0;
  white-space: nowrap;
  transition: color 180ms ease;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 43px;
  height: 35px;
  flex: 0 0 43px;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: stretch;
  gap: clamp(22px, 3vw, 44px);
  height: var(--nav-height);
  font-size: 16px;
  font-weight: 650;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 100%;
  color: inherit;
  opacity: 0.92;
  transition:
    color 160ms ease,
    opacity 160ms ease;
}

.nav-shell:hover .nav-link,
.nav-shell:focus-within .nav-link,
.nav-shell.is-open .nav-link,
.nav-shell.is-scrolled .nav-link,
.nav-shell.is-mobile-open .nav-link {
  color: #1d2924;
  opacity: 0.86;
}

.nav-link.has-menu::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 160ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: var(--green);
  opacity: 1;
}

.nav-link.is-active::after {
  transform: rotate(225deg) translate(-1px, -1px);
}

.mobile-submenu {
  display: none;
}

.header-cta,
.contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 24px;
  border-radius: 999px;
  color: var(--white);
  background: var(--green);
  font-weight: 800;
  white-space: nowrap;
  transition:
    transform 160ms ease,
    background 160ms ease;
}

.header-cta:hover,
.contact-button:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  color: inherit;
}

.mega-menu {
  position: absolute;
  z-index: 41;
  top: var(--nav-height);
  left: 0;
  right: 0;
  pointer-events: none;
}

.mega-menu::before {
  content: "";
  position: fixed;
  inset: var(--nav-height) 0 0;
  display: block;
  background: rgba(0, 0, 0, 0.06);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.nav-shell.is-open .mega-menu::before {
  opacity: 1;
}

.mega-menu .mega-panel {
  display: none;
  grid-template-columns: minmax(280px, 0.78fr) minmax(420px, 1.16fr) minmax(300px, 0.92fr);
  gap: clamp(48px, 5vw, 78px);
  min-height: 340px;
  padding: 46px clamp(72px, 8vw, 112px) 52px;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid rgba(17, 24, 21, 0.06);
  box-shadow: 0 28px 70px rgba(22, 35, 30, 0.1);
  opacity: 0;
  pointer-events: auto;
  transform: translateY(-16px);
  transition:
    opacity 220ms ease,
    transform 220ms ease;
}

.mega-menu .mega-panel.is-active {
  display: grid;
  opacity: 1;
  transform: translateY(0);
  animation: megaIn 240ms ease both;
}

.mega-intro {
  padding: 6px 34px 10px 0;
}

.mega-intro h2,
.mega-links h3,
.mega-reading h3 {
  margin: 0 0 24px;
  font-size: 17px;
  font-weight: 750;
}

.mega-intro p {
  max-width: 280px;
  margin: 0 0 42px;
  color: #8a938e;
  font-size: 15px;
  line-height: 1.8;
}

.mega-intro a,
.mega-cards a,
.mega-promo small {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
}

.mega-intro span,
.mega-cards a::after {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  color: var(--white);
  background: var(--green);
  border-radius: 50%;
  font-size: 12px;
}

.mega-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 42px;
  padding: 4px clamp(34px, 3.5vw, 54px);
  border-left: 1px solid rgba(17, 24, 21, 0.08);
  border-right: 1px solid rgba(17, 24, 21, 0.08);
}

.mega-links.three-cols {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mega-links h3,
.mega-reading h3 {
  color: #a0a7a3;
  font-size: 14px;
}

.mega-links a,
.mega-reading a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 0 10px;
  border-radius: 8px;
  color: #17201d;
  font-size: 16px;
  font-weight: 700;
  transition:
    color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.mega-reading a {
  justify-content: flex-start;
  min-height: 42px;
  color: #68736e;
  font-size: 15px;
  font-weight: 600;
}

.mega-links a::after {
  content: "›";
  color: #c5cbc8;
}

.mega-links a:hover,
.mega-reading a:hover {
  color: var(--green);
  background: rgba(18, 214, 61, 0.07);
  transform: translateX(4px);
}

.mega-links em {
  margin-left: 8px;
  padding: 2px 6px;
  color: var(--white);
  background: #ff2134;
  border-radius: 999px;
  font-size: 10px;
  font-style: normal;
}

.mega-promo {
  display: grid;
  gap: 22px;
  padding: 4px 0;
}

.mega-promo article,
.mega-cards article {
  overflow: hidden;
  min-height: 120px;
  padding: 24px;
  border-radius: 8px;
  background:
    radial-gradient(circle at 86% 20%, rgba(18, 214, 61, 0.24), transparent 32%),
    linear-gradient(135deg, #edf8ee, #f7f8fb);
}

.mega-promo article.cool {
  background:
    radial-gradient(circle at 20% 18%, rgba(18, 214, 61, 0.22), transparent 34%),
    linear-gradient(135deg, #eef7ff, #fff8ef);
}

.mega-promo span {
  display: block;
  color: #68736e;
}

.mega-promo strong {
  display: block;
  margin: 2px 0 12px;
  font-size: 28px;
  line-height: 1.1;
}

.mega-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding: 4px 0;
}

.mega-cards article {
  display: flex;
  min-height: 312px;
  flex-direction: column;
  padding: 0 0 20px;
  background: #f6f7f7;
}

.mega-cards h3 {
  min-height: 56px;
  margin: 18px 20px 14px;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
}

.mega-cards a {
  margin-top: auto;
  margin-left: 20px;
}

.mega-cards a::after {
  content: "›";
}

.mega-thumb {
  height: 152px;
  min-height: 152px;
  background:
    radial-gradient(circle at 70% 32%, rgba(255, 255, 255, 0.8), transparent 18%),
    linear-gradient(135deg, #0fdc4a, #ddffe7);
}

.mega-thumb.dark {
  background:
    radial-gradient(circle at 70% 26%, rgba(18, 214, 61, 0.9), transparent 18%),
    linear-gradient(135deg, #07100d, #1b332a);
}

.mega-thumb.clean {
  background:
    radial-gradient(circle at 50% 50%, rgba(18, 214, 61, 0.45), transparent 25%),
    linear-gradient(135deg, #eef1f7, #ffffff);
}

.mega-thumb.black {
  background:
    radial-gradient(circle at 54% 45%, rgba(18, 214, 61, 0.82), transparent 18%),
    linear-gradient(135deg, #050706, #161b19);
}

.mega-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 172px;
  align-self: center;
  color: #fff;
  background:
    linear-gradient(110deg, #12d63d 0 38%, transparent 38% 62%, #0762df 62%),
    #f1f4f6;
}

.mega-banner span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--green);
  background: #fff;
  border-radius: 50%;
  font-weight: 800;
}

.mega-banner strong {
  font-size: 13px;
  line-height: 1.2;
  text-align: center;
}

.hero {
  position: relative;
  min-height: 100svh;
  margin-top: 0;
  overflow: hidden;
  color: var(--white);
  background: #111;
}

.hero-video,
.hero-scrim {
  position: absolute;
  inset: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% center;
  opacity: 0.72;
  filter: grayscale(1) contrast(0.96) brightness(0.72);
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.74), rgba(0, 0, 0, 0.46) 48%, rgba(0, 0, 0, 0.3) 72%, rgba(0, 0, 0, 0.38)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0.08) 38%, rgba(0, 0, 0, 0.26));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, calc(100% - 48px));
  margin-left: clamp(28px, 16.5vw, 320px);
  padding-top: 29vh;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(38px, 4.35vw, 66px);
  font-family: var(--font-display);
  font-weight: 680;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-copy {
  margin: 20px 0 30px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(16px, 1.3vw, 21px);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
}

.primary-link {
  color: rgba(255, 255, 255, 0.88);
}

.round-link {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--green);
  font-size: 20px;
  transition:
    transform 160ms ease,
    background 160ms ease;
}

.round-link:hover {
  transform: translateY(3px);
  background: var(--green-dark);
}

.scroll-line {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 28px;
  width: 1px;
  height: 80px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.45);
}

.scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--green);
  animation: scrollPulse 1.8s ease-in-out infinite;
}

.section-inner {
  width: min(1220px, calc(100% - 48px));
  margin: 0 auto;
}

section:not(.hero) {
  padding: 112px 0;
}

.section-dark {
  color: var(--white);
  background: #0e1512;
}

.section-soft {
  background: var(--soft);
}

.services {
  padding-top: 84px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  gap: 64px;
  align-items: end;
  margin-bottom: 58px;
}

.section-heading.wide {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.7fr);
}

.section-heading h2,
.case-head h2,
.about h2,
.contact h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 58px);
  font-family: var(--font-display);
  font-weight: 680;
  line-height: 1.14;
  letter-spacing: 0;
}

.section-heading p,
.about-copy,
.contact p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.about h2 {
  max-width: 760px;
  font-size: clamp(30px, 2.8vw, 42px);
  line-height: 1.22;
}

.method .section-heading h2 {
  font-size: clamp(32px, 2.65vw, 40px);
  line-height: 1.16;
  white-space: nowrap;
}

.section-dark .section-heading p {
  color: rgba(255, 255, 255, 0.62);
}

.clients {
  position: relative;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 86% 12%, rgba(18, 214, 61, 0.18), transparent 30%),
    radial-gradient(circle at 14% 78%, rgba(7, 98, 223, 0.1), transparent 28%),
    linear-gradient(135deg, rgba(255, 183, 77, 0.08), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f8fbf9 58%, #f2f7f4 100%);
}

.clients::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(17, 24, 21, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 21, 0.035) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 92%, transparent);
  pointer-events: none;
}

.clients .section-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: clamp(48px, 6vw, 92px);
  align-items: start;
}

.client-copy {
  position: sticky;
  top: calc(var(--nav-height) + 72px);
  padding-top: 4px;
}

.clients .section-heading {
  display: block;
  margin: 0;
}

.clients .section-heading h2 {
  font-size: clamp(30px, 3.2vw, 48px);
  line-height: 1.18;
}

.clients .section-heading p {
  max-width: 300px;
  margin-top: 48px;
  color: #8a938e;
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0;
  margin-top: 0;
  padding: 34px 0 36px;
}

.logo-wall > * {
  position: relative;
  z-index: 1;
  overflow: hidden;
  --tile-x: 0px;
  --tile-y: 0px;
  min-height: 138px;
  display: grid;
  place-items: center;
  margin: -1px 0 0 -1px;
  border: 1px solid rgba(17, 24, 21, 0.08);
  border-right: 1px solid rgba(17, 24, 21, 0.08);
  border-bottom: 1px solid rgba(17, 24, 21, 0.08);
  color: #35413b;
  background:
    radial-gradient(circle at 50% 22%, rgba(18, 214, 61, 0.06), transparent 44%),
    rgba(255, 255, 255, 0.72);
  font-size: 19px;
  font-weight: 750;
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
  transform: translate(var(--tile-x), var(--tile-y));
}

.logo-wall > *::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(135deg, rgba(18, 214, 61, 0.12), transparent 38%),
    radial-gradient(circle at 80% 18%, rgba(7, 98, 223, 0.09), transparent 34%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.logo-wall > *:hover {
  background:
    radial-gradient(circle at 50% 20%, rgba(18, 214, 61, 0.1), transparent 44%),
    rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 38px rgba(13, 31, 25, 0.1);
  transform: translate(var(--tile-x), calc(var(--tile-y) - 4px));
}

.logo-wall > *:hover::before {
  opacity: 1;
}

.logo-wall > *:nth-child(5n + 1) {
  background:
    radial-gradient(circle at 18% 24%, rgba(18, 214, 61, 0.09), transparent 42%),
    rgba(255, 255, 255, 0.7);
}

.logo-wall > *:nth-child(5n + 3) {
  background:
    radial-gradient(circle at 78% 20%, rgba(7, 98, 223, 0.08), transparent 42%),
    rgba(255, 255, 255, 0.74);
}

@media (min-width: 1101px) {
  .logo-wall > *:nth-child(7n + 2),
  .logo-wall > *:nth-child(7n + 6) {
    --tile-y: -24px;
  }

  .logo-wall > *:nth-child(7n + 4) {
    --tile-y: 18px;
  }

  .logo-wall > *:nth-child(7n + 7) {
    --tile-y: 10px;
  }

  .logo-wall > *:nth-child(15),
  .logo-wall > *:nth-child(19) {
    --tile-y: -10px;
  }
}

.client-logo {
  gap: 10px;
  padding: 22px 12px 18px;
  text-align: center;
}

.client-logo img {
  position: relative;
  z-index: 1;
  display: block;
  max-width: min(132px, 86%);
  max-height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgba(13, 31, 25, 0.12));
}

.client-logo-tall img {
  max-width: 74px;
  max-height: 50px;
  border-radius: 4px;
}

.client-logo-compact img {
  max-width: 96px;
  max-height: 42px;
}

.client-logo-wide img {
  max-width: min(148px, 90%);
  max-height: 42px;
}

.client-logo img[alt="安星建设集团"],
.client-logo img[alt="远星橡胶"],
.client-logo img[alt="铜盟电气"] {
  padding: 6px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.88);
  filter: none;
}

.client-logo img[alt="知识矩阵"] {
  max-width: min(184px, 94%);
  max-height: 70px;
  padding: 7px 9px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.92);
  filter: none;
}

.client-logo img[alt="BKT"] {
  max-width: 102px;
  max-height: 50px;
  border-radius: 4px;
  filter: none;
}

.client-logo img[alt="岚图汽车"] {
  max-width: min(170px, 92%);
  max-height: 58px;
  filter: none;
}

.client-logo img[alt="携程"],
.client-logo img[alt="得到"],
.client-logo img[alt="麒麟门"],
.client-logo img[alt="阿家"],
.client-logo img[alt="FOOFOO"] {
  filter: drop-shadow(0 8px 14px rgba(13, 31, 25, 0.1));
}

.client-logo img[alt="FOOFOO"] {
  max-width: min(132px, 88%);
  max-height: 50px;
}

.client-logo img[alt="麒麟门"] {
  width: min(210px, 96%);
  max-width: min(210px, 96%);
  max-height: 58px;
}

.client-logo img[alt="携程"] {
  width: min(168px, 92%);
  max-width: min(168px, 92%);
  max-height: 44px;
}

.client-logo strong {
  position: relative;
  z-index: 1;
  color: #26322d;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
  opacity: 0.9;
}

.client-wordmark {
  position: relative;
  z-index: 1;
  color: #123229;
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
}

.client-wordmark-cn {
  font-size: 25px;
  letter-spacing: 0;
}

.logo-wall > .client-cta-tile {
  color: var(--white);
  background:
    radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.24), transparent 35%),
    linear-gradient(135deg, var(--green), #07b836);
  font-size: 19px;
  font-weight: 850;
  text-align: center;
}

.logo-wall > .client-cta-tile:hover {
  background:
    radial-gradient(circle at 50% 35%, rgba(255, 255, 255, 0.3), transparent 35%),
    linear-gradient(135deg, #18e84a, var(--green-dark));
}

.client-cta-tile::after {
  position: absolute;
  inset: 16px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  opacity: 0.8;
}

.client-cta-tile span,
.client-cta-tile small {
  position: relative;
  z-index: 1;
}

.client-cta-tile small {
  margin-left: 6px;
  font-size: 18px;
}

section.metrics {
  position: relative;
  z-index: 2;
  padding: 0;
  margin-top: -48px;
  margin-bottom: 52px;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.metrics .section-inner {
  width: min(1360px, calc(100% - 72px));
  max-width: none;
}

.metrics-grid {
  position: relative;
  display: grid;
  grid-template-columns: 96px repeat(5, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid rgba(17, 24, 21, 0.08);
  border-radius: 12px;
  background:
    linear-gradient(90deg, rgba(18, 214, 61, 0.1), rgba(255, 255, 255, 0.72) 24%, rgba(255, 255, 255, 0.66) 72%, rgba(7, 98, 223, 0.08)),
    rgba(255, 255, 255, 0.74);
  box-shadow: 0 22px 70px rgba(25, 46, 36, 0.12);
  backdrop-filter: blur(22px);
}

.metrics-visual {
  display: grid;
  place-items: center;
  min-height: 88px;
  content: "增长验证";
  color: var(--white);
  background:
    radial-gradient(circle at 50% 28%, rgba(255, 255, 255, 0.24), transparent 42%),
    linear-gradient(135deg, var(--green), #08b837);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.03em;
}

.metrics-visual {
  position: relative;
  overflow: hidden;
  color: transparent;
  background:
    radial-gradient(circle at 50% 44%, rgba(18, 216, 79, 0.16), transparent 54%),
    linear-gradient(135deg, rgba(18, 216, 79, 0.08), rgba(255, 255, 255, 0.58) 64%, rgba(77, 163, 255, 0.07));
}

.metrics-visual::after {
  position: absolute;
  inset: 13px;
  border: 1px solid rgba(18, 216, 79, 0.14);
  border-radius: 22px;
  content: "";
}

.metrics-visual img {
  position: relative;
  z-index: 1;
  width: 66px;
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 18px rgba(18, 216, 79, 0.14));
}

.metric-item {
  min-height: 88px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 16px clamp(16px, 2.3vw, 36px);
  border-left: 1px solid rgba(17, 24, 21, 0.08);
}

.metric-item strong {
  color: #13221e;
  font-size: clamp(30px, 2.5vw, 42px);
  font-weight: 760;
  line-height: 1;
}

.metric-item span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 820;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.service-card,
.insight-card {
  min-height: 350px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.service-card {
  display: flex;
  flex-direction: column;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.service-card:hover,
.insight-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 52px rgba(13, 31, 25, 0.12);
}

.service-card.accent {
  color: var(--white);
  background: #123229;
  border-color: #123229;
}

.service-index {
  color: var(--green);
  font-size: 13px;
  font-weight: 850;
}

.service-visual {
  overflow: hidden;
  width: 100%;
  aspect-ratio: 2.36;
  margin: 28px 0 30px;
  border-radius: 8px;
  background: #f5f7f6;
}

.service-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-card.accent .service-visual {
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.service-card h3 {
  margin: 0 0 18px;
  font-size: 30px;
  font-weight: 500;
}

.service-card p {
  margin: 0 0 30px;
  color: var(--muted);
  font-size: 17px;
}

.service-card.accent p {
  color: rgba(255, 255, 255, 0.68);
}

.service-card a {
  margin-top: auto;
  color: var(--green);
  font-weight: 850;
}

.cases {
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(17, 24, 21, 0.035) 0 1px, transparent 1px 96px),
    linear-gradient(180deg, #f7faf8 0%, #eef4f1 100%);
}

.cases::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(17, 24, 21, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 21, 0.035) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  pointer-events: none;
}

.cases .section-inner {
  position: relative;
  z-index: 1;
}

.case-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: flex-end;
  margin-bottom: 34px;
}

.case-head h2 {
  max-width: 760px;
}

.case-head p {
  max-width: 700px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.case-head a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid rgba(7, 151, 42, 0.22);
  border-radius: 999px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 14px 30px rgba(16, 32, 24, 0.08);
  font-weight: 850;
  white-space: nowrap;
}

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

.case-item {
  --product-accent: var(--green);
  --product-accent-ink: var(--green-dark);
  --product-accent-border: rgba(18, 214, 61, 0.32);
  --product-accent-soft: rgba(18, 214, 61, 0.1);
  position: relative;
  display: flex;
  min-height: 360px;
  flex-direction: column;
  gap: 0;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 45px rgba(16, 32, 24, 0.08);
  color: inherit;
  text-decoration: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.case-item:nth-child(2) {
  --product-accent: #1b74e8;
  --product-accent-ink: #165cba;
  --product-accent-border: rgba(27, 116, 232, 0.3);
  --product-accent-soft: rgba(27, 116, 232, 0.09);
}

.case-item:nth-child(3) {
  --product-accent: #ff9f1c;
  --product-accent-ink: #a65b00;
  --product-accent-border: rgba(255, 159, 28, 0.34);
  --product-accent-soft: rgba(255, 159, 28, 0.11);
}

.case-item::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
  background: var(--product-accent);
}

a.case-item:hover {
  border-color: var(--product-accent-border);
  box-shadow: 0 26px 56px rgba(16, 32, 24, 0.13);
  transform: translateY(-6px);
}

.case-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 34px;
}

.case-item-top strong {
  color: rgba(17, 24, 21, 0.16);
  font-size: 34px;
  font-weight: 850;
  line-height: 1;
}

.case-item span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--product-accent-ink);
  background: var(--product-accent-soft);
  font-size: 13px;
  font-weight: 850;
}

.insight-card span {
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 850;
}

.case-item h3 {
  margin: 0;
  font-size: clamp(26px, 2.2vw, 34px);
  font-weight: 680;
  line-height: 1.18;
}

.case-item p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.case-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: auto 0 26px;
  list-style: none;
}

.case-points li {
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid rgba(17, 24, 21, 0.08);
  border-radius: 999px;
  color: #26312d;
  background: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 700;
}

.case-item small {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  color: #fff;
  background: #111815;
  font-size: 14px;
  font-weight: 850;
}

.case-list.product-showcase {
  display: block;
  padding: 18px;
  border: 1px solid rgba(17, 24, 21, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 24px 70px rgba(16, 32, 24, 0.08);
}

.product-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 26px;
}

.product-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 72px;
  padding: 0 18px;
  border: 1px solid rgba(17, 24, 21, 0.06);
  border-radius: 8px;
  color: #111815;
  background: #fff;
  box-shadow: 0 10px 26px rgba(16, 32, 24, 0.06);
  font-size: 16px;
  font-weight: 850;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.product-tab:hover,
.product-tab.is-active {
  border-color: rgba(18, 105, 255, 0.62);
  box-shadow: 0 12px 30px rgba(27, 116, 232, 0.13);
  transform: translateY(-2px);
}

.product-tab-icon {
  display: grid;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #12d63d, #1b74e8);
  font-size: 14px;
  font-weight: 850;
}

.product-panels {
  position: relative;
  min-height: 450px;
}

.product-panel {
  display: none;
  grid-template-columns: minmax(320px, 0.78fr) minmax(420px, 1fr);
  gap: clamp(32px, 6vw, 78px);
  min-height: 450px;
  padding: clamp(36px, 5vw, 62px);
  overflow: hidden;
  border-radius: 8px;
  color: #111815;
  background:
    radial-gradient(circle at 88% 22%, rgba(255, 255, 255, 0.92), transparent 22%),
    radial-gradient(circle at 70% 78%, rgba(34, 118, 255, 0.16), transparent 28%),
    linear-gradient(135deg, #eef8ff 0%, #dcecff 52%, #bfd8ff 100%);
  text-decoration: none;
}

.product-panel.is-active {
  display: grid;
}

.product-panel-copy {
  position: relative;
  z-index: 2;
  align-self: center;
}

.product-panel-copy > span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 11px;
  border-radius: 999px;
  color: #165cba;
  background: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  font-weight: 850;
}

.product-panel-copy h3 {
  max-width: 520px;
  margin: 18px 0 0;
  font-size: clamp(32px, 3.2vw, 48px);
  font-weight: 850;
  line-height: 1.12;
}

.product-panel-copy p {
  max-width: 520px;
  margin: 22px 0 0;
  color: #465550;
  font-size: 17px;
  line-height: 1.8;
}

.product-panel-copy ul {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.product-panel-copy li {
  position: relative;
  padding-left: 18px;
  color: #26312d;
  font-size: 15px;
  font-weight: 700;
}

.product-panel-copy li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  content: "";
  background: #1b74e8;
}

.product-panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 38px;
}

.product-panel-actions strong {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 24px;
  border-radius: 999px;
  color: #fff;
  background: #111815;
  font-size: 15px;
  font-weight: 850;
}

.product-panel-actions em {
  color: #56635e;
  font-size: 14px;
  font-style: normal;
  font-weight: 700;
}

.product-panel-visual {
  position: relative;
  min-height: 320px;
  align-self: center;
}

.product-window {
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 24px 70px rgba(44, 79, 128, 0.18);
  backdrop-filter: blur(10px);
}

.product-window-main {
  position: absolute;
  right: 4%;
  bottom: 10%;
  width: min(92%, 520px);
  min-height: 250px;
  padding: 20px;
}

.product-window-bar {
  display: flex;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(17, 24, 21, 0.08);
}

.product-window-bar i,
.product-avatar-row i {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #dce4ee;
}

.product-lines {
  display: grid;
  gap: 14px;
  padding-top: 26px;
}

.product-lines b {
  display: block;
  height: 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(27, 116, 232, 0.22), rgba(18, 214, 61, 0.12));
}

.product-lines b:nth-child(2) {
  width: 72%;
}

.product-lines b:nth-child(3) {
  width: 48%;
}

.product-window-float,
.product-chat {
  position: absolute;
  z-index: 2;
  left: 0;
  bottom: 20%;
  width: 240px;
  padding: 20px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 20px 48px rgba(44, 79, 128, 0.16);
}

.product-window-float span,
.product-chat p {
  display: block;
  margin: 0 0 8px;
  color: #165cba;
  font-size: 13px;
  font-weight: 850;
}

.product-window-float strong,
.product-chat strong {
  color: #111815;
  font-size: 20px;
  font-weight: 850;
  line-height: 1.25;
}

.product-chat span {
  display: block;
  margin-top: 10px;
  color: #66746e;
  font-size: 13px;
  font-weight: 700;
}

.xiaoya-demo {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(100%, 500px);
  height: 330px;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 18px;
  background:
    radial-gradient(circle at 78% 0%, rgba(24, 200, 117, 0.18), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(247, 251, 255, 0.78));
  box-shadow: 0 28px 70px rgba(51, 112, 255, 0.16);
  backdrop-filter: blur(12px);
}

.xiaoya-demo-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(31, 35, 41, 0.07);
}

.xiaoya-demo-head img,
.xiaoya-msg img {
  display: block;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 50%;
  object-fit: cover;
}

.xiaoya-demo-head div {
  min-width: 0;
}

.xiaoya-demo-head strong {
  display: block;
  color: #111815;
  font-size: 15px;
  font-weight: 850;
}

.xiaoya-demo-head span {
  display: block;
  margin-top: 3px;
  color: #6b778c;
  font-size: 12px;
  font-weight: 700;
}

.xiaoya-demo-head em {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  color: #0a9f62;
  font-size: 12px;
  font-style: normal;
  font-weight: 850;
}

.xiaoya-demo-head em::before {
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 50%;
  background: #18c875;
  box-shadow: 0 0 0 5px rgba(24, 200, 117, 0.12);
}

.xiaoya-demo-chat {
  display: grid;
  gap: 12px;
  height: 246px;
  padding: 18px 8px 4px 4px;
  overflow-y: auto;
  cursor: grab;
  scrollbar-width: thin;
  scrollbar-color: rgba(51, 112, 255, 0.28) transparent;
  user-select: none;
}

.xiaoya-demo-chat::-webkit-scrollbar {
  width: 5px;
}

.xiaoya-demo-chat::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(51, 112, 255, 0.28);
}

.xiaoya-demo-chat.is-dragging {
  cursor: grabbing;
}

.xiaoya-msg {
  display: flex;
  gap: 9px;
  align-items: flex-start;
}

.xiaoya-msg.user {
  justify-content: flex-end;
}

.xiaoya-msg span {
  max-width: 78%;
  padding: 10px 12px;
  border-radius: 14px;
  color: #4e5969;
  background: #fff;
  box-shadow: 0 8px 22px rgba(31, 72, 122, 0.08);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.55;
  user-select: text;
}

.xiaoya-msg.ai span {
  border-top-left-radius: 4px;
  background: #f4f8ff;
}

.xiaoya-msg.user span {
  border-top-right-radius: 4px;
  color: #fff;
  background: linear-gradient(135deg, #3370ff, #18a0fb);
}

.xiaoya-demo-task {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 12px 14px;
  border: 1px solid rgba(24, 200, 117, 0.18);
  border-radius: 14px;
  background: rgba(238, 255, 248, 0.9);
  box-shadow: 0 18px 36px rgba(24, 200, 117, 0.12);
}

.xiaoya-demo-task span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  color: #0a9f62;
  background: #fff;
  font-size: 12px;
  font-weight: 850;
}

.xiaoya-demo-task strong {
  color: #16211e;
  font-size: 14px;
  font-weight: 850;
}

.product-avatar-row {
  display: flex;
  gap: 10px;
  padding-top: 20px;
}

.product-avatar-row i {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #12d63d, #1b74e8);
}

.product-stack {
  position: absolute;
  z-index: 2;
  left: 0;
  top: 12%;
  display: grid;
  gap: 12px;
}

.product-stack span {
  min-width: 190px;
  padding: 16px 18px;
  border-radius: 8px;
  color: #111815;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 36px rgba(44, 79, 128, 0.12);
  font-weight: 850;
}

.product-grid-mini,
.product-builder {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding-top: 28px;
}

.product-grid-mini i,
.product-builder div {
  min-height: 78px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(27, 116, 232, 0.16), rgba(255, 255, 255, 0.76));
}

.product-builder {
  position: absolute;
  right: 7%;
  bottom: 10%;
  width: min(86%, 460px);
  padding: 22px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 24px 70px rgba(44, 79, 128, 0.18);
}

.cases {
  position: relative;
  overflow: hidden;
  padding: 72px 0 88px;
  background:
    linear-gradient(115deg, rgba(24, 200, 117, 0.08), transparent 24%),
    linear-gradient(245deg, rgba(51, 112, 255, 0.09), transparent 30%),
    repeating-linear-gradient(0deg, rgba(29, 58, 99, 0.038) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(90deg, rgba(29, 58, 99, 0.035) 0 1px, transparent 1px 96px),
    linear-gradient(180deg, #f5faff 0%, #f9fcff 48%, #f4f9ff 100%);
}

.cases::before {
  position: absolute;
  top: 88px;
  right: max(32px, calc((100vw - 1008px) / 2 - 92px));
  width: 360px;
  height: 210px;
  display: block;
  content: "";
  border: 1px solid rgba(51, 112, 255, 0.08);
  border-radius: 28px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.14)),
    repeating-linear-gradient(0deg, transparent 0 30px, rgba(51, 112, 255, 0.055) 30px 31px),
    repeating-linear-gradient(90deg, transparent 0 42px, rgba(24, 200, 117, 0.045) 42px 43px);
  opacity: 0.75;
  transform: rotate(-7deg);
}

.cases::after {
  position: absolute;
  bottom: 70px;
  left: max(24px, calc((100vw - 1008px) / 2 - 118px));
  width: 420px;
  height: 240px;
  content: "";
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.56), rgba(255, 255, 255, 0)),
    linear-gradient(135deg, rgba(24, 200, 117, 0.11), rgba(51, 112, 255, 0.05));
  clip-path: polygon(0 18%, 86% 0, 100% 78%, 18% 100%);
  opacity: 0.72;
}

.cases .section-inner {
  position: relative;
  z-index: 1;
  width: min(1008px, calc(100% - 48px));
}

.cases .section-kicker {
  display: none;
}

.case-head {
  display: flex;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 30px;
}

.case-head h2 {
  margin: 0;
  font-size: 26px;
  font-weight: 750;
  line-height: 1.2;
}

.case-head p {
  max-width: none;
  margin: 0;
  color: #8f99aa;
  font-size: 14px;
}

.case-head > a {
  display: none;
}

.case-list.product-showcase {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.product-tabs {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.product-tab {
  min-height: 72px;
  padding: 0 20px;
  border: 1px solid rgba(31, 35, 41, 0.06);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(31, 35, 41, 0.04);
  color: #171a1f;
  font-size: 16px;
  font-weight: 750;
  line-height: 1;
}

.product-tab:hover,
.product-tab.is-active {
  border-color: #3370ff;
  box-shadow: 0 8px 24px rgba(51, 112, 255, 0.08);
  transform: none;
}

.product-tab-icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, #18c875 0%, #3370ff 100%);
  font-size: 14px;
}

.product-tab-avatar {
  overflow: hidden;
  border-radius: 50%;
  background: #eef4ff;
}

.product-tab-img {
  overflow: hidden;
  border-radius: 10px;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(51, 112, 255, 0.08);
}

.product-tab-avatar img,
.product-tab-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-panels {
  min-height: 450px;
}

.product-panel {
  min-height: 450px;
  grid-template-columns: 350px minmax(0, 1fr);
  gap: 52px;
  padding: 64px 52px 58px;
  border-radius: 20px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.72), transparent 62%),
    repeating-linear-gradient(0deg, transparent 0 38px, rgba(51, 112, 255, 0.035) 38px 39px),
    repeating-linear-gradient(90deg, transparent 0 44px, rgba(24, 200, 117, 0.03) 44px 45px),
    radial-gradient(circle at 70% 18%, rgba(255, 255, 255, 0.92), transparent 24%),
    radial-gradient(circle at 76% 78%, rgba(51, 112, 255, 0.18), transparent 28%),
    linear-gradient(110deg, #f6fbff 0%, #eaf6ff 46%, #d4e6ff 100%);
  box-shadow:
    0 30px 80px rgba(31, 72, 122, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.product-panel-copy {
  align-self: center;
}

.product-panel-copy > span {
  min-height: 32px;
  padding: 0 13px;
  color: #1b61c9;
  background: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.product-panel-copy h3 {
  max-width: 380px;
  margin: 22px 0 0;
  color: #111815;
  font-size: 36px;
  font-weight: 850;
  line-height: 1.15;
}

.product-panel-copy h3 span {
  display: block;
  margin-bottom: 6px;
  color: #3370ff;
  font-size: 28px;
  line-height: 1.15;
}

.product-panel-copy p {
  max-width: 360px;
  margin-top: 24px;
  color: #4e5969;
  font-size: 16px;
  line-height: 1.75;
}

.product-panel-copy ul {
  gap: 12px;
  margin-top: 28px;
}

.product-panel-copy li {
  color: #253142;
  font-size: 14px;
  font-weight: 650;
}

.product-panel-copy li::before {
  background: #3370ff;
}

.product-panel-actions {
  gap: 14px;
  margin-top: 58px;
}

.product-panel-actions strong,
.product-panel-actions em {
  display: inline-flex;
  min-width: 126px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  font-style: normal;
  font-weight: 750;
}

.product-panel-actions strong {
  color: #fff;
  background: #1f2329;
}

.product-panel-actions em {
  border: 1px solid #1f2329;
  color: #1f2329;
  background: rgba(255, 255, 255, 0.46);
}

.product-panel-visual {
  min-height: 328px;
}

.product-window {
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 28px 64px rgba(51, 112, 255, 0.16);
}

.product-window-main {
  right: 0;
  bottom: 0;
  width: min(100%, 560px);
  min-height: 276px;
  padding: 22px 24px;
}

.product-window-float,
.product-chat {
  left: 0;
  bottom: 34px;
  width: 264px;
  padding: 22px;
  border-radius: 8px;
  box-shadow: 0 22px 56px rgba(51, 112, 255, 0.16);
}

.product-window-float span,
.product-chat p {
  color: #1b61c9;
}

.product-window-float strong,
.product-chat strong {
  font-size: 22px;
}

.product-tabs {
  width: 60%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.baishu-panel {
  display: none;
  min-height: 450px;
  padding: 0;
  color: #1f2329;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.78), transparent 64%),
    radial-gradient(circle at 64% 26%, rgba(255, 255, 255, 0.86), transparent 24%),
    radial-gradient(circle at 78% 80%, rgba(51, 112, 255, 0.16), transparent 28%),
    linear-gradient(115deg, #f6fbff 0%, #edf7ff 48%, #dcecff 100%);
  cursor: default;
}

.baishu-panel.is-active {
  display: block;
}

.baishu-headline {
  padding: 28px 24px 18px;
  color: #1f2329;
  font-size: 30px;
  font-weight: 850;
  line-height: 1.25;
  text-align: center;
}

.baishu-carousel {
  display: grid;
  grid-template-columns: 170px minmax(360px, 0.95fr) minmax(260px, 300px);
  gap: 26px;
  align-items: center;
  padding: 2px 30px 42px;
}

.baishu-nav {
  display: grid;
  gap: 18px;
  align-content: center;
}

.baishu-nav button {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-height: 52px;
  padding: 0 16px;
  border: 0;
  border-radius: 8px;
  color: #1f2329;
  background: transparent;
  font-size: 15px;
  font-weight: 750;
  cursor: pointer;
}

.baishu-nav button.is-active {
  color: #0f6bff;
  background: #fff;
  box-shadow: 0 12px 28px rgba(15, 107, 255, 0.14);
}

.baishu-icon {
  position: relative;
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
  place-items: center;
}

.baishu-icon::before,
.baishu-icon::after {
  position: absolute;
  content: "";
  border-color: currentColor;
  border-style: solid;
}

.baishu-icon-form {
  color: #10cfa4;
  background: #e8fff7;
}

.baishu-icon-form::before {
  width: 11px;
  height: 14px;
  border-width: 1.6px;
  border-radius: 2px;
}

.baishu-icon-form::after {
  width: 6px;
  height: 0;
  border-width: 1.6px 0 0;
}

.baishu-icon-flow {
  color: #ffb13c;
  background: #fff6e8;
}

.baishu-icon-flow::before {
  width: 13px;
  height: 13px;
  border-width: 0 0 1.8px 1.8px;
  transform: rotate(-45deg);
}

.baishu-icon-flow::after {
  width: 5px;
  height: 5px;
  border-width: 1.8px 1.8px 0 0;
  transform: translate(4px, -4px) rotate(45deg);
}

.baishu-icon-report {
  color: #3177ff;
  background: #ebf3ff;
}

.baishu-icon-report::before {
  bottom: 7px;
  left: 8px;
  width: 2px;
  height: 8px;
  border-width: 0;
  background: currentColor;
  box-shadow: 5px -4px 0 currentColor, 10px -1px 0 currentColor;
}

.baishu-icon-report::after {
  inset: 7px;
  border-width: 1.5px;
  border-radius: 3px;
}

.baishu-icon-team {
  color: #ff704f;
  background: #fff0eb;
}

.baishu-icon-team::before {
  width: 7px;
  height: 7px;
  border-width: 0;
  border-radius: 50%;
  background: currentColor;
  box-shadow: -5px 7px 0 -1px currentColor, 5px 7px 0 -1px currentColor;
}

.baishu-icon-team::after {
  bottom: 6px;
  width: 17px;
  height: 7px;
  border-width: 1.5px 0 0;
  border-radius: 999px 999px 0 0;
}

.baishu-icon-extension {
  color: #28bfd6;
  background: #eafffd;
}

.baishu-icon-extension::before {
  width: 4px;
  height: 4px;
  border-width: 0;
  border-radius: 50%;
  background: currentColor;
  box-shadow:
    -7px 0 0 currentColor,
    7px 0 0 currentColor,
    0 -7px 0 currentColor,
    0 7px 0 currentColor;
}

.baishu-icon-extension::after {
  width: 13px;
  height: 13px;
  border-width: 1.5px;
  border-radius: 50%;
}

.baishu-stage {
  position: relative;
  min-height: 350px;
}

.baishu-stage::before {
  position: absolute;
  inset: 30px 46px 24px;
  content: "";
  border-radius: 45% 50% 45% 50%;
  background: linear-gradient(135deg, #0f6bff, #79b8ff);
  transform: rotate(17deg);
  opacity: 0.92;
}

.baishu-stage img {
  position: absolute;
  inset: 4px 0 0;
  width: 100%;
  max-height: 350px;
  object-fit: contain;
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 0.24s ease,
    transform 0.24s ease;
}

.baishu-stage img.is-active {
  opacity: 1;
  transform: translateY(0);
}

.baishu-copy {
  align-self: center;
  min-width: 0;
  padding: 18px 8px 18px 10px;
}

.baishu-copy section {
  display: none;
}

.baishu-copy section.is-active {
  display: block;
}

.baishu-copy h3 {
  max-width: 240px;
  margin: 0 0 20px;
  color: #1f2329;
  font-size: 26px;
  font-weight: 850;
  line-height: 1.25;
}

.baishu-copy p {
  max-width: 240px;
  margin: 0;
  color: #4e5969;
  font-size: 15px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.baishu-copy a {
  display: none;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: 78px;
}

.about-copy p + p {
  margin-top: 22px;
}

.about-page main {
  padding-top: var(--nav-height);
}

.about-hero {
  padding: clamp(70px, 8vw, 110px) 0 clamp(48px, 6vw, 76px);
  background: #fff;
}

.about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.64fr);
  gap: clamp(48px, 9vw, 132px);
  align-items: end;
}

.about-hero-title h1 {
  max-width: 760px;
  margin: 0;
  color: #020403;
  font-size: clamp(32px, 4vw, 56px);
  font-family: var(--font-display);
  font-weight: 680;
  line-height: 1.1;
  letter-spacing: 0;
}

.about-hero-summary {
  min-height: 150px;
  padding: 6px 0 0 36px;
  border-left: 1px solid rgba(17, 24, 21, 0.14);
}

.about-hero-summary p {
  max-width: 560px;
  margin: 0;
  color: #17201d;
  font-size: clamp(21px, 2vw, 30px);
  line-height: 1.45;
  letter-spacing: 0;
}

.about-hero-summary span {
  display: block;
  margin-top: 42px;
  color: #9aa19d;
  font-size: 16px;
}

.about-visual {
  overflow: hidden;
  height: clamp(540px, 36vw, 690px);
  padding: 0;
  background: transparent;
}

.about-visual img,
.about-visual video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 46%;
  filter: grayscale(1) contrast(1.04);
}

.about-story {
  background: #fff;
}

.about-story-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.52fr) minmax(0, 1fr);
  gap: clamp(58px, 9vw, 130px);
  align-items: start;
}

.about-story aside {
  position: sticky;
  top: calc(var(--nav-height) + 72px);
}

.about-story h2,
.about-split-copy h2,
.about-cta h2 {
  margin: 0;
  color: #060908;
  font-size: clamp(26px, 2.7vw, 38px);
  font-family: var(--font-display);
  font-weight: 680;
  line-height: 1.26;
  letter-spacing: 0;
}

.about-story aside p {
  margin: 64px 0 0;
  color: #9aa19d;
  font-size: 17px;
}

.about-story-body {
  color: #4f5d57;
  font-size: 20px;
  line-height: 1.95;
}

.about-story-body p {
  margin: 0;
}

.about-story-body p + p {
  margin-top: 30px;
}

.about-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "founded projects projects"
    "years team partner";
  margin-top: 80px;
  gap: 14px;
}

.about-stat-grid article {
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(18, 214, 61, 0.06), transparent 46%),
    #fff;
}

.about-stat-grid article:nth-child(1) {
  grid-area: founded;
}

.about-stat-grid article:nth-child(2) {
  grid-area: projects;
}

.about-stat-grid article:nth-child(3) {
  grid-area: years;
}

.about-stat-grid article:nth-child(4) {
  grid-area: team;
}

.about-stat-grid article:nth-child(5) {
  grid-area: partner;
}

.about-stat-grid strong {
  color: var(--green);
  font-size: clamp(38px, 4vw, 58px);
  font-weight: 600;
  line-height: 1;
}

.about-stat-grid span {
  color: #17201d;
  font-size: 16px;
  font-weight: 760;
}

.about-split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1fr);
  gap: clamp(48px, 8vw, 104px);
  align-items: start;
}

.about-split-copy {
  position: sticky;
  top: calc(var(--nav-height) + 72px);
}

.about-split-copy p:not(.section-kicker) {
  max-width: 640px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 34px;
  color: var(--green-dark);
  font-weight: 850;
}

.capability-board {
  display: grid;
  gap: 16px;
}

.capability-board article {
  min-height: 168px;
  padding: 28px;
  border: 1px solid rgba(17, 24, 21, 0.09);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(18, 214, 61, 0.08), transparent 40%),
    rgba(255, 255, 255, 0.82);
}

.capability-board span {
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
}

.capability-board strong {
  display: block;
  margin-top: 28px;
  color: #111815;
  font-size: 25px;
  font-weight: 560;
}

.capability-board p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.about-cta {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(18, 214, 61, 0.18), transparent 32%),
    #0e1512;
}

.about-cta .section-kicker {
  color: var(--green);
}

.about-cta h2 {
  color: #fff;
}

.about-cta-inner {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  align-items: flex-end;
}

.about-cta .contact-button {
  flex: 0 0 auto;
}

.about-method {
  padding: clamp(82px, 8vw, 108px) 0 clamp(78px, 7vw, 96px);
  background: #fff;
}

.about-method .section-heading {
  grid-template-columns: minmax(0, 0.78fr) minmax(300px, 0.58fr);
  gap: clamp(44px, 7vw, 96px);
  align-items: center;
  margin-bottom: 42px;
}

.about-method .section-heading h2 {
  max-width: 740px;
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1.14;
}

.about-method .section-heading p {
  max-width: 560px;
  font-size: 17px;
  line-height: 1.8;
}

.about-method .method-track article {
  min-height: 220px;
  padding: 28px 30px;
  background: #fff;
}

.about-method .method-track h3 {
  margin: 58px 0 14px;
  font-size: 25px;
  font-weight: 650;
}

.about-method .method-track p {
  font-size: 15px;
  line-height: 1.75;
}

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

.method-track article {
  min-height: 270px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.method-track span {
  display: block;
  color: var(--green-dark);
  font-size: clamp(42px, 4.2vw, 64px);
  font-weight: 900;
  line-height: 0.95;
}

.method-track h3 {
  margin: 50px 0 16px;
  font-size: 27px;
  font-weight: 500;
  line-height: 1.2;
}

.method-track p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

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

.insights {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 18%, rgba(18, 214, 61, 0.16), transparent 28%),
    radial-gradient(circle at 86% 76%, rgba(92, 218, 224, 0.1), transparent 30%),
    linear-gradient(180deg, #0d1713 0%, #08110e 100%);
}

.insights::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(180deg, transparent 0%, #000 22%, #000 76%, transparent 100%);
  pointer-events: none;
}

.insights .section-inner {
  position: relative;
  z-index: 1;
}

.insights .section-heading {
  margin-bottom: 46px;
}

.insight-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 300px;
  overflow: hidden;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.085), rgba(255, 255, 255, 0.035)),
    rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.14);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.insight-card::before {
  position: absolute;
  right: 22px;
  bottom: 20px;
  width: 112px;
  height: 112px;
  border: 1px solid rgba(18, 214, 61, 0.16);
  border-radius: 999px;
  content: "";
  transform: translate(28px, 28px);
}

.insight-card:hover {
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.045)),
    rgba(255, 255, 255, 0.06);
  border-color: rgba(18, 214, 61, 0.36);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.24);
}

.insight-card h3 {
  margin: 58px 0 0;
  font-size: 25px;
  font-weight: 500;
  line-height: 1.32;
}

.insight-card p {
  max-width: 92%;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
  line-height: 1.72;
}

.contact {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(110deg, rgba(18, 214, 61, 0.08), transparent 32%),
    linear-gradient(270deg, rgba(92, 218, 224, 0.1), transparent 26%),
    linear-gradient(180deg, #fbfdfc 0%, #f7faf8 100%),
    #fff;
}

.contact::before {
  content: none;
}

.contact-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(480px, 0.74fr);
  gap: clamp(44px, 6vw, 86px);
  align-items: start;
}

.contact-copy {
  max-width: 720px;
  padding-top: 10px;
}

.contact p {
  max-width: 620px;
  margin-top: 26px;
  line-height: 1.85;
}

.contact-button {
  min-height: 54px;
  padding-inline: 34px;
  font-size: 18px;
}

.contact-proof {
  display: grid;
  gap: 0;
  margin-top: 52px;
  border-top: 1px solid rgba(17, 24, 21, 0.1);
}

.contact-proof article {
  display: grid;
  grid-template-columns: 44px minmax(130px, 0.34fr) minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 82px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(17, 24, 21, 0.1);
  background: transparent;
  box-shadow: none;
}

.contact-proof span {
  color: rgba(17, 24, 21, 0.36);
  font-size: 14px;
  font-weight: 850;
}

.contact-proof strong {
  font-size: 17px;
  font-weight: 850;
}

.contact-proof small {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.contact-assurance {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.contact-assurance span {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(17, 24, 21, 0.09);
  border-radius: 999px;
  color: #34423b;
  background: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  font-weight: 780;
}

.lead-form {
  position: relative;
  display: grid;
  gap: 18px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid rgba(17, 24, 21, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 24px 70px rgba(25, 46, 36, 0.1);
  backdrop-filter: blur(14px);
}

.lead-form::before {
  content: none;
}

.lead-form-badge {
  display: block;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 850;
}

.lead-form-head h3 {
  margin: 12px 0 0;
  font-size: 28px;
  font-weight: 760;
  line-height: 1.25;
}

.lead-form-head p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.lead-form label {
  display: grid;
  gap: 8px;
  color: #34423b;
  font-size: 13px;
  font-weight: 820;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  border: 1px solid rgba(17, 24, 21, 0.14);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  outline: none;
  font: inherit;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.lead-form input,
.lead-form select {
  min-height: 48px;
  padding: 0 14px;
}

.lead-form textarea {
  resize: vertical;
  min-height: 118px;
  padding: 13px 14px;
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  border-color: var(--green);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(18, 214, 61, 0.1);
}

.lead-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.lead-form .contact-button {
  width: 100%;
  border: 0;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 14px 26px rgba(18, 214, 61, 0.18);
}

.lead-form .contact-button[disabled] {
  cursor: wait;
  opacity: 0.72;
}

.lead-form-status {
  min-height: 22px;
  margin: -2px 0 0;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 760;
}

.lead-form-status.is-error {
  color: #c83232;
}

.lead-dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(8, 18, 14, 0.38);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.lead-dialog-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.lead-dialog {
  position: relative;
  width: min(420px, 100%);
  padding: 34px 30px 28px;
  border: 1px solid rgba(20, 34, 28, 0.1);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(8, 18, 14, 0.22);
  text-align: center;
  transform: translateY(12px) scale(0.98);
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.lead-dialog-overlay.is-visible .lead-dialog {
  transform: translateY(0) scale(1);
}

.lead-dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  color: #65706b;
  background: #f4f7f5;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.lead-dialog-mark {
  width: 54px;
  height: 54px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: rgba(18, 214, 61, 0.12);
  color: var(--green);
}

.lead-dialog-mark::before {
  content: "";
  display: block;
  width: 20px;
  height: 11px;
  margin: 17px auto 0;
  border-bottom: 4px solid currentColor;
  border-left: 4px solid currentColor;
  transform: rotate(-45deg);
}

.lead-dialog h4 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.25;
}

.lead-dialog p {
  margin: 0;
  color: #65706b;
  font-size: 15px;
  line-height: 1.7;
}

.lead-dialog-action {
  width: 100%;
  height: 48px;
  margin-top: 24px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: var(--green);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(18, 214, 61, 0.18);
}

.lead-dialog-overlay.is-error .lead-dialog-mark {
  background: rgba(200, 50, 50, 0.11);
  color: #c83232;
}

.lead-dialog-overlay.is-error .lead-dialog-mark::before {
  width: 22px;
  height: 22px;
  margin-top: 16px;
  border: 0;
  background:
    linear-gradient(currentColor, currentColor) center / 4px 24px no-repeat,
    linear-gradient(currentColor, currentColor) center / 24px 4px no-repeat;
  transform: rotate(45deg);
}

.lead-dialog-overlay.is-error .lead-dialog-action {
  background: #c83232;
  box-shadow: 0 12px 24px rgba(200, 50, 50, 0.16);
}

.lead-form-footnote {
  margin-top: -4px;
  color: #8a948f;
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
}

.site-footer {
  padding: 54px 0;
  color: rgba(255, 255, 255, 0.78);
  background: #0e1512;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 52px;
  align-items: start;
}

.footer-brand {
  color: var(--white);
}

.site-footer p {
  max-width: 420px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.56);
}

.footer-links,
.footer-contact {
  display: grid;
  gap: 14px;
}

.footer-links a:hover {
  color: var(--green);
}

.footer-contact a {
  color: inherit;
}

.footer-contact a:hover {
  color: var(--green);
}

.footer-contact {
  text-align: right;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

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

@keyframes megaIn {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollPulse {
  0% {
    transform: translateY(-100%);
  }

  50%,
  100% {
    transform: translateY(100%);
  }
}

@media (max-width: 1100px) {
  .mega-menu .mega-panel {
    grid-template-columns: 1fr 1.4fr;
    gap: 36px;
    padding: 40px 44px 46px;
  }

  .mega-promo,
  .mega-banner {
    display: none;
  }

  .mega-links.three-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .logo-wall {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .logo-wall > * {
    --tile-y: 0px;
  }

  .clients .section-inner {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .client-copy {
    position: static;
  }

  .clients .section-heading p {
    max-width: 620px;
    margin-top: 22px;
  }

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

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

  .case-item {
    min-height: 330px;
  }

  .product-tabs {
    width: 100%;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .product-panel {
    grid-template-columns: 1fr;
  }

  .product-panel-visual {
    min-height: 300px;
  }

  .baishu-carousel {
    grid-template-columns: 1fr;
  }

  .baishu-nav {
    display: flex;
    gap: 10px;
    overflow-x: auto;
  }

  .baishu-nav button {
    min-width: 132px;
  }

  .baishu-stage {
    min-height: 300px;
  }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
    padding: 0 24px;
  }

  .menu-toggle {
    position: relative;
    z-index: 44;
    display: grid;
    gap: 6px;
    width: 38px;
    height: 38px;
    place-content: center;
    border: 0;
    background: transparent;
    cursor: pointer;
  }

  .menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    transition:
      transform 180ms ease,
      opacity 180ms ease;
  }

  .nav-shell.is-mobile-open .menu-toggle span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .nav-shell.is-mobile-open .menu-toggle span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    top: calc(var(--nav-height) + 8px);
    right: 16px;
    left: 16px;
    display: grid;
    grid-template-columns: 1fr;
    align-content: start;
    justify-items: stretch;
    gap: 2px;
    height: auto;
    max-height: calc(100svh - var(--nav-height) - 24px);
    padding: 8px;
    overflow-y: auto;
    border: 1px solid rgba(17, 24, 21, 0.08);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 18px 48px rgba(16, 32, 24, 0.16);
    opacity: 0;
    transform: translateY(-10px);
    transition:
      opacity 180ms ease,
      transform 180ms ease,
      visibility 180ms ease;
    visibility: hidden;
    pointer-events: none;
    font-size: 17px;
  }

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

  .nav-link {
    justify-content: space-between;
    height: 44px;
    padding: 0 14px;
    border-radius: 8px;
    color: #111815;
    background: transparent;
    font-weight: 800;
  }

  .nav-link:hover,
  .nav-link:focus-visible,
  .nav-link.is-active {
    color: var(--green-dark);
    background: rgba(18, 214, 61, 0.08);
  }

  .nav-link.has-menu::after {
    transform: rotate(-45deg);
  }

  .nav-link.is-active::after {
    transform: rotate(45deg);
  }

  .mobile-submenu {
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    padding: 6px 0 10px 14px;
    margin: -2px 0 2px;
    border-left: 1px solid rgba(18, 214, 61, 0.22);
  }

  .mobile-submenu.is-open {
    display: grid;
  }

  .mobile-submenu a {
    display: flex;
    align-items: center;
    min-height: 34px;
    padding: 0 10px;
    border-radius: 8px;
    color: #5e6964;
    font-size: 13px;
    font-weight: 750;
  }

  .mobile-submenu a:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

  .mobile-submenu a:hover,
  .mobile-submenu a:focus-visible {
    color: var(--green-dark);
    background: rgba(18, 214, 61, 0.07);
  }

  .header-cta,
  .mega-menu {
    display: none;
  }

  .hero-content {
    margin-left: 24px;
    padding-top: 36vh;
  }

  .section-heading,
  .section-heading.wide,
  .case-item,
  .about-layout,
  .about-hero-grid,
  .about-story-grid,
  .about-split,
  .contact-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .insight-grid,
  .metrics-grid,
  .method-track {
    grid-template-columns: 1fr;
  }

  .metrics-grid {
    grid-template-columns: 86px repeat(5, minmax(0, 1fr));
  }

  .metrics-visual img {
    width: 58px;
  }

  .metric-item {
    min-height: 82px;
    padding: 14px 12px;
  }

  .metric-item strong {
    font-size: clamp(28px, 5vw, 42px);
  }

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

  .logo-wall > * {
    min-height: 124px;
  }

  .case-head {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .case-list {
    grid-template-columns: 1fr;
  }

  .case-item {
    min-height: 0;
  }

  .product-tabs {
    display: flex;
    gap: 10px;
    padding-bottom: 6px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }

  .product-tab {
    min-width: 190px;
    scroll-snap-align: start;
  }

  .product-panel {
    min-height: auto;
  }

  .baishu-headline {
    font-size: 24px;
    text-align: left;
  }

  .lead-form {
    width: 100%;
  }

  .about-page main {
    padding-top: var(--nav-height);
  }

  .about-hero {
    padding-top: 76px;
  }

  .about-visual {
    height: clamp(320px, 48vw, 440px);
  }

  .about-hero-summary {
    min-height: auto;
    padding: 28px 0 0;
    border-top: 1px solid rgba(17, 24, 21, 0.12);
    border-left: 0;
  }

  .about-story aside,
  .about-split-copy {
    position: static;
  }

  .about-story aside p {
    margin-top: 24px;
  }

  .about-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "founded projects"
      "years team"
      "partner partner";
    margin-top: 50px;
  }

  .about-method {
    padding: 78px 0;
  }

  .about-method .section-heading {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-bottom: 34px;
  }

  .about-cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-copy {
    max-width: none;
  }

  .footer-contact {
    text-align: left;
  }
}

@media (max-width: 620px) {
  body {
    overflow-x: hidden;
  }

  .site-header {
    padding: 0 18px;
  }

  .brand {
    min-width: 0;
    gap: 8px;
    font-size: 20px;
  }

  .brand-mark {
    width: 38px;
    height: 31px;
    flex-basis: 38px;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
    margin-right: -6px;
  }

  .site-nav {
    right: 12px;
    left: 12px;
  }

  section.metrics {
    padding: 0;
    margin-top: -10px;
    margin-bottom: 24px;
  }

  .metrics .section-inner {
    width: min(100% - 36px, 1220px);
  }

  .metrics-grid {
    overflow: visible;
    padding-top: 34px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-radius: 12px;
    background:
      linear-gradient(180deg, rgba(18, 214, 61, 0.08), transparent 30%),
      rgba(255, 255, 255, 0.86);
    box-shadow: 0 22px 54px rgba(16, 32, 24, 0.12);
    backdrop-filter: blur(18px);
  }

  .metrics-visual {
    position: absolute;
    top: -19px;
    left: 50%;
    grid-column: 1 / -1;
    width: 82px;
    min-height: 38px;
    border: 1px solid rgba(18, 214, 61, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 12px 30px rgba(18, 214, 61, 0.14);
    transform: translateX(-50%);
  }

  .metrics-visual::after {
    inset: 5px;
    border-radius: 999px;
  }

  .metrics-visual img {
    width: 36px;
  }

  .metric-item {
    min-height: 88px;
    padding: 18px 20px;
    border-left: 0;
    border-top: 1px solid rgba(17, 24, 21, 0.08);
  }

  .metric-item:nth-child(2),
  .metric-item:nth-child(3) {
    border-top: 0;
  }

  .metric-item:nth-child(odd) {
    border-left: 1px solid rgba(17, 24, 21, 0.08);
  }

  .metric-item strong {
    font-size: 30px;
  }

  .metric-item span {
    margin-top: 2px;
    font-size: 13px;
    line-height: 1.35;
  }

  .metric-item:last-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 12px;
    align-items: center;
    min-height: 76px;
    background:
      linear-gradient(90deg, rgba(18, 214, 61, 0.08), transparent 70%),
      rgba(255, 255, 255, 0.34);
  }

  .metric-item:last-child strong {
    font-size: 32px;
  }

  .metric-item:last-child span {
    margin-top: 0;
  }

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

  .brand-name {
    font-size: 20px;
  }

  .hero-content {
    width: calc(100% - 36px);
    margin-left: 18px;
    padding-top: 34vh;
  }

  .hero-copy {
    max-width: 340px;
    margin-bottom: 24px;
    font-size: 16px;
    line-height: 1.7;
  }

  .hero h1 {
    font-size: clamp(36px, 11vw, 48px);
  }

  .hero-actions {
    gap: 12px;
  }

  .section-inner {
    width: min(100% - 36px, 1220px);
  }

  .section-heading,
  .section-heading.wide {
    gap: 18px;
    margin-bottom: 34px;
  }

  .section-heading h2,
  .case-head h2,
  .about h2,
  .contact h2 {
    font-size: clamp(30px, 9vw, 40px);
    line-height: 1.16;
  }

  .about h2 {
    font-size: clamp(28px, 8vw, 36px);
    line-height: 1.2;
  }

  .method .section-heading h2 {
    white-space: normal;
  }

  .section-heading p,
  .about-copy,
  .contact p {
    font-size: 16px;
    line-height: 1.75;
  }

  .clients .section-inner {
    gap: 24px;
  }

  .clients .section-heading p {
    max-width: none;
    margin-top: 18px;
  }

  .logo-wall {
    padding: 12px 0 18px;
  }

  .case-head {
    gap: 24px;
    margin-bottom: 24px;
  }

  .case-head p {
    font-size: 16px;
  }

  .case-head a {
    width: 100%;
  }

  .case-item {
    padding: 24px;
  }

  .case-item-top {
    margin-bottom: 24px;
  }

  .case-list.product-showcase {
    padding: 12px;
  }

  .product-tabs {
    width: 100%;
  }

  .product-tab {
    min-width: 170px;
    min-height: 58px;
    font-size: 14px;
  }

  .product-panel {
    padding: 28px 22px;
  }

  .product-panel-copy h3 {
    font-size: 30px;
  }

  .product-panel-copy p {
    font-size: 15px;
  }

  .product-panel-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .product-panel-visual {
    min-height: 230px;
  }

  .baishu-carousel {
    padding: 0 12px 28px;
  }

  .baishu-stage {
    min-height: 220px;
  }

  .baishu-copy h3 {
    font-size: 22px;
  }

  .baishu-copy a {
    margin-top: 26px;
  }

  .product-window-main {
    right: 0;
    bottom: 0;
    width: 100%;
    min-height: 190px;
  }

  .product-window-float,
  .product-chat {
    left: 0;
    bottom: 18px;
    width: 190px;
    padding: 16px;
  }

  .product-stack {
    position: relative;
    top: auto;
    left: auto;
    grid-template-columns: 1fr;
    margin-bottom: 18px;
  }

  .product-builder {
    right: 0;
    bottom: 0;
    width: 100%;
  }

  section:not(.hero) {
    padding: 76px 0;
  }

  body section.metrics {
    padding: 0;
  }

  body .services {
    padding-top: 42px;
  }

  .logo-wall > * {
    min-height: 94px;
    padding: 14px 8px 12px;
    font-size: 14px;
    text-align: center;
  }

  .client-logo {
    gap: 7px;
  }

  .client-logo img,
  .client-logo-wide img,
  .client-logo-tall img,
  .client-logo-compact img {
    max-width: 84%;
    max-height: 32px;
  }

  .client-logo strong {
    font-size: 11px;
    line-height: 1.25;
  }

  .client-wordmark {
    font-size: 22px;
  }

  .client-wordmark-cn {
    font-size: 18px;
  }

  .service-card,
  .insight-card {
    min-height: 240px;
    padding: 26px;
  }

  .insight-card h3 {
    margin-top: 42px;
    font-size: 22px;
  }

  .insight-card p {
    font-size: 14px;
  }

  .service-visual {
    margin: 24px 0 26px;
  }

  .service-card h3 {
    margin-top: 0;
  }

  .about-hero-title h1 {
    font-size: clamp(27px, 8vw, 36px);
  }

  .about-hero-summary p {
    font-size: 21px;
  }

  .about-hero-summary span {
    margin-top: 26px;
  }

  .about-visual {
    height: 260px;
  }

  .about-story-body {
    font-size: 17px;
    line-height: 1.85;
  }

  .about-stat-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "founded"
      "projects"
      "years"
      "team"
      "partner";
  }

  .about-stat-grid article {
    min-height: 132px;
  }

  .about-method {
    padding: 66px 0;
  }

  .about-method .section-heading h2 {
    font-size: clamp(30px, 9vw, 40px);
  }

  .about-method .method-track article {
    min-height: 190px;
  }

  .capability-board article {
    padding: 24px;
  }

  .capability-board strong {
    margin-top: 24px;
    font-size: 22px;
  }

  .method-track article {
    min-height: 220px;
    padding: 26px;
  }

  .method-track h3 {
    margin-top: 46px;
  }

  .lead-form {
    padding: 22px;
  }

  .contact-proof article {
    grid-template-columns: 38px minmax(0, 1fr);
    align-items: start;
  }

  .contact-proof small {
    grid-column: 2;
  }

  .contact-assurance {
    gap: 8px;
  }

  .lead-form-grid {
    grid-template-columns: 1fr;
  }

  .lead-form-head h3 {
    font-size: 24px;
  }

}