:root {
  --bg: #f4fbfc;
  --bg-soft: #ebf7fa;
  --surface: #ffffff;
  --surface-alt: #f7fbfd;
  --ink: #102235;
  --ink-soft: #5d7284;
  --ink-faint: #8da0ae;
  --accent: #38c6d6;
  --accent-strong: #178ea6;
  --accent-dark: #143346;
  --dark: #1d2c3d;
  --dark-soft: #26384d;
  --line: rgba(16, 34, 53, 0.1);
  --line-soft: rgba(255, 255, 255, 0.12);
  --shadow: 0 28px 70px rgba(22, 55, 77, 0.14);
  --shadow-soft: 0 18px 40px rgba(26, 62, 88, 0.08);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-pill: 999px;
  --container: min(1180px, calc(100vw - 48px));
  --section-space: clamp(84px, 10vw, 132px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(56, 198, 214, 0.12), transparent 28%),
    linear-gradient(180deg, #f6fbfc 0%, #eef8fb 100%);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

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

button {
  font: inherit;
}

.page-shell {
  overflow: hidden;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  transition:
    border-color 200ms ease,
    box-shadow 200ms ease,
    background-color 200ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(16, 34, 53, 0.08);
  box-shadow: 0 10px 30px rgba(20, 50, 72, 0.08);
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 88px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 82px;
  height: 82px;
  object-fit: contain;
  object-position: center;
  flex: 0 0 auto;
}

.site-header .brand-mark {
  width: 72px;
  height: 72px;
}

.site-footer .brand-mark {
  width: 74px;
  height: 74px;
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-size: 1.16rem;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.brand-copy small {
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.97rem;
  font-weight: 600;
}

.site-nav a {
  color: rgba(16, 34, 53, 0.86);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.footer-list a:hover,
.footer-bottom a:hover {
  color: var(--accent-strong);
}

.nav-cta {
  margin-left: 10px;
}

.nav-toggle {
  display: none;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 1px solid rgba(16, 34, 53, 0.12);
  border-radius: 16px;
  background: #ffffff;
  color: var(--ink);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle span + span {
  margin-top: 6px;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.section {
  padding: var(--section-space) 0;
}

.hero {
  position: relative;
  padding: 34px 0 72px;
  background:
    radial-gradient(circle at 12% 18%, rgba(56, 198, 214, 0.16), transparent 24%),
    linear-gradient(180deg, #eaf8fb 0%, #f7fcfd 100%);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 160px;
  background: linear-gradient(180deg, rgba(234, 248, 251, 0), rgba(255, 255, 255, 0.88));
  content: "";
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: 40px;
  min-height: calc(100vh - 122px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow-soft {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: rgba(56, 198, 214, 0.1);
  color: var(--accent);
  letter-spacing: 0.06em;
}

.hero-copy h1,
.section-heading h2,
.platform-copy h2,
.final-cta-inner h2 {
  margin: 0;
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  max-width: 620px;
  font-size: clamp(3.4rem, 6vw, 6rem);
}

.hero-copy h1 span {
  display: block;
  color: var(--accent);
}

.hero-lead,
.section-heading p,
.platform-copy p,
.workflow-step p,
.studio-card p,
.site-footer p {
  color: var(--ink-soft);
}

.hero-lead {
  max-width: 640px;
  margin: 26px 0 0;
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #ffffff;
  box-shadow: 0 20px 40px rgba(56, 198, 214, 0.24);
}

.button-secondary {
  border-color: rgba(16, 34, 53, 0.12);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
}

.button-light {
  background: #ffffff;
  color: var(--accent-strong);
  box-shadow: 0 18px 36px rgba(18, 70, 84, 0.18);
}

.hero-points {
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 24px;
  color: rgba(16, 34, 53, 0.74);
}

.hero-points li::before {
  position: absolute;
  top: 10px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  content: "";
}

.hero-stage {
  position: relative;
  min-height: 860px;
}

.hero-stage::before {
  position: absolute;
  right: 10px;
  bottom: 70px;
  width: min(620px, 92%);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(56, 198, 214, 0.26), rgba(56, 198, 214, 0.08) 46%, transparent 72%);
  filter: blur(10px);
  content: "";
}

.hero-chip {
  position: absolute;
  z-index: 2;
  width: min(280px, 46%);
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.hero-chip span {
  display: block;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-chip strong {
  display: block;
  margin-top: 10px;
  color: var(--ink);
  font-size: 1.04rem;
  line-height: 1.4;
}

.chip-top {
  top: 44px;
  left: 24px;
  animation: drift 7s ease-in-out infinite;
}

.chip-bottom {
  right: 18px;
  bottom: 72px;
  animation: drift 8s ease-in-out infinite reverse;
}

.hero-mascot-wrap {
  position: absolute;
  right: -48px;
  bottom: -82px;
  width: min(760px, 108%);
  display: flex;
  justify-content: flex-end;
  filter: drop-shadow(0 44px 72px rgba(27, 90, 117, 0.2));
  animation: float-owl 7s ease-in-out infinite;
}

.hero-mascot {
  width: 100%;
  max-width: 760px;
  height: auto;
  object-fit: contain;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading-center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading h2,
.platform-copy h2,
.final-cta-inner h2 {
  font-size: clamp(2.6rem, 5vw, 4.4rem);
}

.section-heading p,
.platform-copy p {
  margin: 18px 0 0;
  font-size: 1.02rem;
}

.section-features {
  background: linear-gradient(180deg, #ffffff 0%, #f7fcfd 100%);
}

.feature-grid,
.workflow-grid,
.studio-grid,
.footer-grid {
  display: grid;
  gap: 22px;
}

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

.feature-card,
.workflow-step,
.studio-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
}

.feature-card h3,
.workflow-step h3,
.studio-card h3,
.site-footer h3 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.18;
}

.feature-card p,
.workflow-step p,
.studio-card p,
.footer-list,
.footer-brand p {
  margin: 16px 0 0;
  color: var(--ink-soft);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 66px;
  height: 66px;
  margin-bottom: 24px;
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff, #f2fbfd);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.feature-icon span,
.feature-icon::before,
.feature-icon::after {
  display: block;
  position: relative;
}

.feature-icon span {
  width: 24px;
  height: 24px;
  border: 3px solid var(--accent);
  border-radius: 50%;
}

.feature-icon span::before,
.feature-icon span::after {
  position: absolute;
  background: var(--accent);
  content: "";
}

.feature-icon span::before {
  top: 50%;
  left: -8px;
  width: 8px;
  height: 3px;
  transform: translateY(-50%);
}

.feature-icon span::after {
  top: 50%;
  right: -8px;
  width: 8px;
  height: 3px;
  transform: translateY(-50%);
}

.feature-icon-roles span {
  width: 28px;
  height: 20px;
  border: 0;
}

.feature-icon-roles span::before,
.feature-icon-roles span::after {
  position: absolute;
  content: "";
}

.feature-icon-roles span::before {
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
  border: 3px solid var(--accent);
  border-radius: 50%;
}

.feature-icon-roles span::after {
  right: 0;
  top: 2px;
  width: 10px;
  height: 10px;
  border: 3px solid var(--accent);
  border-radius: 50%;
  box-shadow: -9px 12px 0 -1px rgba(56, 198, 214, 0.95);
}

.feature-icon-editor span {
  width: 24px;
  height: 24px;
  border: 3px solid var(--accent);
  border-radius: 6px;
}

.feature-icon-editor span::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 3px;
  height: 24px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  content: "";
}

.feature-icon-editor span::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 3px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  content: "";
}

.feature-icon-community span {
  width: 26px;
  height: 18px;
  border: 3px solid var(--accent);
  border-radius: 6px;
}

.feature-icon-community span::before {
  position: absolute;
  bottom: -8px;
  left: 4px;
  width: 8px;
  height: 8px;
  border-bottom: 3px solid var(--accent);
  border-left: 3px solid var(--accent);
  content: "";
}

.platform-section {
  color: #ffffff;
  background:
    radial-gradient(circle at left bottom, rgba(56, 198, 214, 0.18), transparent 26%),
    linear-gradient(180deg, var(--dark) 0%, #1a2737 100%);
}

.platform-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  align-items: center;
  gap: 48px;
}

.platform-copy h2,
.platform-copy p,
.platform-stats span {
  color: #ffffff;
}

.platform-copy p {
  opacity: 0.76;
}

.platform-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.platform-stats article {
  padding: 18px 12px 0 0;
}

.platform-stats strong {
  display: block;
  color: var(--accent);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1;
}

.platform-stats span {
  display: block;
  margin-top: 10px;
  font-size: 0.94rem;
  opacity: 0.72;
}

.platform-visual {
  display: flex;
  justify-content: flex-end;
}

.platform-window {
  width: min(640px, 100%);
  padding: 28px;
  border: 1px solid var(--line-soft);
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(44, 59, 77, 0.88), rgba(31, 45, 61, 0.92));
  box-shadow: 0 28px 70px rgba(7, 15, 24, 0.28);
}

.window-dots {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
}

.window-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
}

.window-shell {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 20px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(17, 31, 45, 0.5);
}

.window-sidebar {
  display: grid;
  gap: 16px;
  align-content: start;
}

.window-sidebar span {
  display: block;
  height: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.window-sidebar span:nth-child(1) {
  width: 84%;
}

.window-sidebar span:nth-child(2) {
  width: 62%;
}

.window-sidebar span:nth-child(3) {
  width: 90%;
}

.window-sidebar span:nth-child(4) {
  width: 56%;
}

.window-board {
  display: grid;
  gap: 18px;
}

.board-top {
  height: 40px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
}

.board-main {
  min-height: 250px;
  border: 1px dashed rgba(56, 198, 214, 0.38);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(56, 198, 214, 0.08), rgba(56, 198, 214, 0.04)),
    rgba(56, 92, 112, 0.18);
}

.workflow-section {
  background: linear-gradient(180deg, #ffffff 0%, #f5fbfd 100%);
}

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

.workflow-step span,
.studio-card small {
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.workflow-step h3,
.studio-card h3 {
  margin-top: 16px;
}

.studio-section {
  background: #f4fbfc;
}

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

.studio-card {
  background: rgba(255, 255, 255, 0.96);
}

.studio-card a,
.footer-bottom a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  color: var(--accent-strong);
  font-weight: 700;
}

.studio-card-highlight {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.12);
  background: linear-gradient(135deg, #1c3043, #1b7f96);
}

.studio-card-highlight h3,
.studio-card-highlight p,
.studio-card-highlight a {
  color: #ffffff;
}

.studio-card-highlight small {
  color: rgba(255, 255, 255, 0.72);
}

.final-cta {
  padding-top: 24px;
  background: linear-gradient(180deg, #f4fbfc 0%, #ffffff 100%);
}

.final-cta-inner {
  padding: clamp(54px, 8vw, 84px) 28px;
  border-radius: 36px;
  text-align: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent) 0%, #1a8fa7 100%);
  box-shadow: 0 28px 60px rgba(41, 144, 161, 0.22);
}

.final-cta-inner h2 {
  max-width: 920px;
  margin-right: auto;
  margin-left: auto;
}

.final-cta-inner p {
  max-width: 760px;
  margin: 20px auto 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.04rem;
}

.final-cta-inner .button {
  margin-top: 30px;
}

.site-footer {
  margin-top: 84px;
  padding: 62px 0 28px;
  color: #ffffff;
  background: linear-gradient(180deg, #1d2c3d 0%, #182533 100%);
}

.footer-grid {
  grid-template-columns: minmax(0, 1.7fr) repeat(3, minmax(0, 0.86fr));
  align-items: start;
  gap: 28px;
}

.footer-brand {
  max-width: 340px;
}

.footer-brand-title {
  display: inline-block;
  color: #ffffff;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.footer-brand-title:hover,
.footer-brand-title:focus-visible {
  color: var(--accent);
}

.footer-list li a {
  color: rgba(255, 255, 255, 0.92);
  font-weight: 700;
}

.footer-brand p {
  max-width: 320px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.56);
  line-height: 1.8;
}

.site-footer h3 {
  margin: 0 0 20px;
  color: #ffffff;
  font-size: 1.1rem;
}

.footer-column {
  min-width: 0;
}

.footer-list {
  padding: 0;
  list-style: none;
}

.footer-list li + li {
  margin-top: 14px;
}

.footer-list li,
.footer-list a,
.footer-bottom p,
.footer-bottom a {
  color: rgba(255, 255, 255, 0.72);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

.reveal-delay {
  transition-delay: 120ms;
}

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

.page-hero {
  padding: 68px 0 42px;
  background:
    radial-gradient(circle at 12% 16%, rgba(56, 198, 214, 0.16), transparent 24%),
    linear-gradient(180deg, #edf9fb 0%, #ffffff 100%);
}

.page-hero-grid,
.contact-grid,
.company-panel,
.contact-detail-grid,
.contact-links,
.contact-channel-grid,
.contact-form-grid,
.channel-actions,
.quick-links,
.contact-form-actions {
  display: grid;
}

.page-hero-grid {
  grid-template-columns: minmax(0, 0.96fr) minmax(320px, 1.04fr);
  gap: 38px;
  align-items: center;
}

.page-hero-copy p {
  max-width: 620px;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 1.04rem;
}

.page-hero-copy h1 {
  margin: 0;
  font-size: clamp(2.9rem, 5vw, 4.8rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.page-hero-copy h1 span {
  color: var(--accent-strong);
}

.company-logo-card,
.contact-card,
.contact-highlight,
.contact-link-card,
.company-logo-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
}

.company-logo-card {
  padding: 24px;
}

.company-logo-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  padding: 28px;
  background:
    radial-gradient(circle at top right, rgba(56, 198, 214, 0.12), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #f5fbfd 100%);
}

.company-logo {
  width: min(100%, 620px);
  height: auto;
  object-fit: contain;
}

.contact-page-section {
  padding-top: 32px;
}

.contact-section-heading {
  max-width: 840px;
  margin-top: 30px;
}

.contact-section-heading h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3.3rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.contact-section-heading p {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.contact-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 22px;
}

.contact-card,
.contact-highlight {
  padding: 32px;
}

.contact-card h2,
.contact-highlight h2,
.contact-link-card h3 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.16;
}

.contact-card p,
.contact-highlight p,
.contact-link-card p {
  margin: 16px 0 0;
  color: var(--ink-soft);
}

.contact-detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.contact-detail-item {
  padding: 18px 20px;
  border-radius: 22px;
  background: var(--surface-alt);
  border: 1px solid rgba(16, 34, 53, 0.07);
}

.contact-detail-item span {
  display: block;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-detail-item strong {
  display: block;
  margin-top: 10px;
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 1.5;
}

.contact-highlight {
  color: #ffffff;
  background: linear-gradient(135deg, #1c3043, #1b7f96);
}

.contact-highlight h2,
.contact-highlight p,
.contact-highlight .contact-detail-item strong {
  color: #ffffff;
}

.contact-highlight .contact-detail-item {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.contact-highlight .contact-detail-item span {
  color: rgba(255, 255, 255, 0.72);
}

.contact-links {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.contact-link-card {
  padding: 24px;
}

.contact-link-card a {
  display: inline-flex;
  align-items: center;
  margin-top: 18px;
  color: var(--accent-strong);
  font-weight: 700;
}

.contact-channel-grid,
.contact-form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 24px;
}

.contact-channel-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
}

.contact-channel-card h3 {
  margin: 0;
  font-size: 1.7rem;
  line-height: 1.2;
}

.contact-channel-card p {
  margin: 16px 0 0;
  color: var(--ink-soft);
}

.qr-placeholder {
  display: grid;
  place-items: center;
  gap: 14px;
  min-height: 270px;
  margin-top: 24px;
  padding: 24px;
  border: 1px dashed rgba(16, 34, 53, 0.16);
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(56, 198, 214, 0.12), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f6fbfd 100%);
}

.qr-placeholder img {
  width: min(100%, 260px);
  height: auto;
  object-fit: contain;
}

.qr-placeholder span {
  color: var(--ink-soft);
  font-weight: 700;
}

.channel-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.channel-actions-single {
  grid-template-columns: minmax(0, 1fr);
}

.channel-item {
  padding: 18px 18px 20px;
  border-radius: 24px;
  background: var(--surface-alt);
  border: 1px solid rgba(16, 34, 53, 0.08);
}

.channel-item span {
  display: block;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.channel-item strong {
  display: block;
  margin-top: 10px;
  color: var(--ink);
  font-size: 1.02rem;
}

.contact-action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin-top: 16px;
  padding: 0 18px;
  border: 1px solid rgba(16, 34, 53, 0.12);
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: var(--ink);
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

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

.contact-form label span {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(16, 34, 53, 0.12);
  border-radius: 18px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--ink-faint);
}

.contact-form-actions {
  grid-template-columns: repeat(2, minmax(0, max-content));
  gap: 14px;
  align-items: center;
}

.quick-links {
  gap: 14px;
  margin-top: 22px;
}

.quick-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid rgba(16, 34, 53, 0.1);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f5fbfd 100%);
  color: var(--ink);
  font-weight: 700;
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes float-owl {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-14px);
  }
}

@media (max-width: 1100px) {
  .feature-grid,
  .workflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .platform-visual {
    justify-content: flex-start;
  }

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

@media (max-width: 860px) {
  :root {
    --container: min(1180px, calc(100vw - 32px));
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    right: 16px;
    left: 16px;
    display: grid;
    gap: 14px;
    padding: 20px;
    border: 1px solid rgba(16, 34, 53, 0.08);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

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

  .nav-cta {
    margin-left: 0;
  }

  .hero {
    padding-top: 18px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy h1 {
    font-size: clamp(2.9rem, 11vw, 4.5rem);
  }

  .hero-stage {
    min-height: 660px;
  }

  .hero-mascot-wrap {
    right: -10px;
    bottom: -58px;
    width: min(620px, 102%);
  }

  .hero-chip {
    width: 220px;
  }

  .feature-grid,
  .workflow-grid,
  .studio-grid,
  .footer-grid,
  .platform-stats,
  .contact-detail-grid,
  .contact-links,
  .contact-channel-grid,
  .contact-form-grid,
  .channel-actions,
  .contact-form-actions {
    grid-template-columns: 1fr;
  }

  .window-shell {
    grid-template-columns: 1fr;
  }

  .window-sidebar {
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .header-inner {
    min-height: 78px;
  }

  .site-header .brand-mark {
    width: 60px;
    height: 60px;
  }

  .hero-actions,
  .button,
  .button-light {
    width: 100%;
  }

  .hero-stage {
    min-height: 500px;
  }

  .hero-mascot-wrap {
    right: -6px;
    bottom: -34px;
    width: min(420px, 100%);
  }

  .hero-chip {
    width: 180px;
    padding: 14px 16px;
  }

  .chip-top {
    left: 0;
  }

  .chip-bottom {
    right: 0;
    bottom: 38px;
  }

  .hero-chip strong {
    font-size: 0.92rem;
  }

  .feature-card,
  .workflow-step,
  .studio-card,
  .contact-card,
  .contact-highlight,
  .contact-channel-card,
  .contact-link-card {
    padding: 24px;
  }

  .section-heading h2,
  .platform-copy h2,
  .final-cta-inner h2 {
    font-size: clamp(2.05rem, 9vw, 2.6rem);
  }
}