:root {
  --bg: #f5f7fc;
  --surface: #ffffff;
  --surface-soft: #f0f4ff;
  --text: #14213d;
  --muted: #5f6c8c;
  --primary: #2e5bff;
  --primary-2: #6a5cff;
  --line: #dfe6f5;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  font-family: "Manrope", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: #f9fbff;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  gap: 22px;
}

.nav-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

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

.kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #3b63c7;
  font-weight: 700;
}

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

h1 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 12ch;
}

h2 {
  font-size: clamp(30px, 4vw, 40px);
  margin-bottom: 18px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 34px;
  align-items: center;
}

.hero-copy {
  max-width: 530px;
}

.hero-text {
  margin-top: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-offer {
  margin-top: 12px;
  color: #177a68;
  font-weight: 700;
}

.btn {
  border: 0;
  cursor: pointer;
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  border-radius: 10px;
  font-weight: 700;
  padding: 12px 18px;
}

.btn-small {
  padding: 10px 14px;
  font-size: 14px;
}

.btn-ghost {
  background: #fff;
  color: #2c4b93;
  border: 1px solid #cfdaf5;
}

.hero-media {
  width: 100%;
  max-width: 780px;
  justify-self: end;
}

.hero-slide {
  display: none;
}

.hero-slide.is-active {
  display: block;
}

.hero-preview {
  background: linear-gradient(180deg, #0f285f, #122f74);
  border: 1px solid #3659a7;
  border-radius: 18px;
  padding: 12px;
  box-shadow: 0 20px 46px rgba(26, 53, 113, 0.25);
}

.hero-preview-title {
  color: #d8e5ff;
  margin-bottom: 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-slide img {
  width: 100%;
 
  aspect-ratio: 16 / 10;
  object-fit: contain;
  display: block;
  border-radius: 12px;
}

.hero-slide p {
  color: #dce7ff;
  margin-top: 10px;
  font-size: 13px;
}

.hero-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

.hero-dot {
  border: 0;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #b6c7ef;
  cursor: pointer;
  padding: 0;
}

.hero-dot.is-active {
  width: 24px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.card h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
  line-height: 1.7;
}

.showcase-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.showcase-item {
  background: #eef3fb;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: center;
}

.showcase-item.reverse .showcase-image {
  order: 2;
}

.showcase-item.reverse .showcase-content {
  order: 1;
}

.showcase-image img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid #d7dfef;
  display: block;
}

.showcase-content h3 {
  margin-bottom: 10px;
  font-size: 36px;
  letter-spacing: -0.01em;
}

.showcase-content p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 10px;
}

.showcase-content ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.9;
  color: #2f4880;
}

.solution-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
}

.panel-text {
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 12px;
}

.panel-list {
  margin: 0;
  padding-left: 18px;
  line-height: 1.9;
  color: #284077;
}

.panel-cta {
  background: var(--surface-soft);
  border: 1px solid #d5dff7;
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.panel-cta p {
  color: var(--muted);
  line-height: 1.75;
}

.contact-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px;
}

.contact-box p {
  color: var(--muted);
  margin-bottom: 14px;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.contact-form input {
  border: 1px solid #ced8f0;
  border-radius: 10px;
  padding: 12px;
  font: inherit;
  color: #1f3569;
}

.form-message {
  margin-top: 12px;
  color: #12866e;
  min-height: 20px;
}

.register-modal[hidden] {
  display: none;
}

.register-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
}

.register-modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(11, 20, 40, 0.48);
  backdrop-filter: blur(2px);
}

.register-modal-dialog {
  position: relative;
  width: min(460px, 94vw);
  min-height: 0;
  margin: 7vh auto 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 18px 40px rgba(21, 41, 84, 0.26);
}

.register-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.register-modal-head h3 {
  font-size: 22px;
}

.register-close {
  border: 0;
  background: #eef3ff;
  color: #2f4f93;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.register-modal-text {
  margin: 8px 0 12px;
  color: var(--muted);
}

.register-alert {
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 10px;
  font-size: 13px;
  display: none;
}

.register-alert-err {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.register-alert-ok {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.register-form {
  display: grid;
  gap: 10px;
}

.invite-row {
  color: #3e578f;
  font-size: 13px;
}

.register-form input {
  border: 1px solid #ced8f0;
  border-radius: 10px;
  padding: 12px;
  font: inherit;
  color: #1f3569;
}

.code-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.register-link {
  color: #4462a6;
  font-size: 13px;
  text-decoration: none;
}

.register-link:hover {
  text-decoration: underline;
}

.partners-section {
  padding-top: 36px;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.partner-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.partner-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: #2f53a5;
  background: #edf3ff;
  border: 1px solid #cfddfb;
  font-size: 16px;
  font-weight: 700;
}

.partner-item h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

.partner-item p {
  color: var(--muted);
  line-height: 1.65;
  font-size: 14px;
}

.footer {
  padding: 6px 0 24px;
}

.footer-meta-grid {
  margin-top: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.footer-meta-card {
  padding: 0;
}

.footer-meta-title {
  margin: 0 0 6px;
  color: #4a5f8f;
  font-weight: 700;
  font-size: 13px;
}

.footer-meta-card p {
  margin: 0 0 4px;
  color: #7381a0;
  line-height: 1.7;
  font-size: 13px;
}

@media (max-width: 1024px) {
  .hero-grid,
  .cap-grid,
  .solution-panel,
  .partners-grid,
  .contact-form {
    grid-template-columns: 1fr 1fr;
  }

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

  .showcase-item.reverse .showcase-image,
  .showcase-item.reverse .showcase-content {
    order: initial;
  }

  .showcase-content h3 {
    font-size: 30px;
  }

  .hero-copy {
    max-width: 100%;
  }

  h1 {
    max-width: 100%;
  }
}

@media (max-width: 760px) {
  .nav-links {
    display: none;
  }

  .nav-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .hero-grid,
  .cap-grid,
  .solution-panel,
  .partners-grid,
  .footer-meta-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 0;
  }

  .showcase-item {
    padding: 16px;
    gap: 16px;
  }

  .showcase-content h3 {
    font-size: 26px;
  }

  .register-modal-dialog {
    width: min(94vw, 460px);
    margin-top: 9vh;
  }

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