.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.66);
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 42px;
  padding-bottom: 54px;
}

.brand--footer {
  color: #fff;
  margin-bottom: 20px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.9;
  max-width: 340px;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.footer-badges span {
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 3px;
  border-radius: 3px;
  background: var(--grad);
}

.footer-col ul {
  display: grid;
  gap: 11px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.66);
  transition: color 0.25s ease, padding-left 0.25s ease;
}

.footer-col a:hover {
  color: #7fd6ff;
  padding-left: 4px;
}

.contact-list li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  font-size: 13.8px;
  line-height: 1.7;
}

.contact-list svg {
  width: 17px;
  height: 17px;
  flex: none;
  margin-top: 4px;
  color: #7fd6ff;
}

.contact-list a:hover {
  color: #7fd6ff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}

.footer-bottom .sep {
  margin: 0 10px;
  opacity: 0.4;
}

.footer-bottom a:hover {
  color: #7fd6ff;
}

.back-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 13px;
  background: var(--grad);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(22, 93, 255, 0.4);
  z-index: 80;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.back-top svg {
  width: 20px;
  height: 20px;
}

.back-top:hover {
  transform: translateY(-4px);
}

.back-top[hidden] {
  display: none;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translate(-50%, 20px);
  padding: 13px 26px;
  border-radius: 12px;
  background: rgba(12, 27, 51, 0.94);
  color: #fff;
  font-size: 14.5px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 200;
  max-width: 90vw;
  text-align: center;
}

.toast.is-show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast.is-ok {
  background: linear-gradient(135deg, #0f9c78, #1fd0a3);
}

.reveal {
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--delay, 0s);
}

.has-js .reveal {
  opacity: 0;
}

.has-js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mt-0 { margin-top: 0; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mt-56 { margin-top: 56px; }
.mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }

@media (max-width: 1120px) {
  .biz-grid,
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .honor-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-inner {
    gap: 40px;
  }
}

@media (max-width: 992px) {
  .section {
    padding: 72px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .header-phone,
  .header-cta {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 84vw);
    background: #fff;
    box-shadow: -20px 0 50px rgba(7, 26, 61, 0.25);
    padding: 96px 26px 34px;
    transform: translateX(105%);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    margin-left: 0;
    z-index: 95;
    overflow-y: auto;
  }

  body.nav-open .main-nav {
    transform: translateX(0);
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .main-nav a {
    color: var(--ink);
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 10px;
    border-bottom: 1px solid var(--line);
  }

  .main-nav a:hover {
    color: var(--primary);
  }

  .main-nav a::after {
    display: none;
  }

  .main-nav a.is-active {
    color: var(--primary);
    background: var(--primary-soft);
    border-radius: 10px;
    border-bottom-color: transparent;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-h) + 48px) 0 72px;
  }

  .hero-inner,
  .split,
  .contact-grid,
  .news-featured {
    grid-template-columns: 1fr;
  }

  .split--media-left .split-media {
    order: 0;
  }

  .hero-visual {
    max-width: 560px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .solution-grid,
  .case-grid,
  .news-grid,
  .value-grid,
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .tab-nav {
    position: static;
    grid-template-columns: repeat(2, 1fr);
  }

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

  .process-step:not(:last-child)::after {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }

  .page-hero {
    padding: calc(var(--header-h) + 56px) 0 60px;
  }

  .section-head {
    margin-bottom: 38px;
  }

  .hero-title {
    font-size: clamp(28px, 8vw, 38px);
  }

  .hero-desc {
    font-size: 15.5px;
  }

  .hero-stats {
    gap: 10px;
    margin-top: 38px;
  }

  .hero-stats .stat {
    padding: 12px 14px;
  }

  .hero-stats .num {
    font-size: 22px;
  }

  .biz-grid,
  .service-grid,
  .solution-grid,
  .case-grid,
  .news-grid,
  .value-grid,
  .honor-grid,
  .grid-2,
  .grid-3,
  .feature-list,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .tab-nav {
    grid-template-columns: 1fr;
  }

  .tab-panel-inner {
    padding: 24px 20px;
  }

  .kv-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom-inner {
    justify-content: center;
    text-align: center;
  }

  .cta-inner {
    justify-content: center;
    text-align: center;
  }

  .cta-actions {
    justify-content: center;
    width: 100%;
  }

  .form-card {
    padding: 26px 20px;
  }

  .news-info {
    padding: 28px 22px;
  }

  .news-cover {
    min-height: 200px;
  }

  .back-top {
    right: 18px;
    bottom: 18px;
  }

  .article-head {
    text-align: left;
  }

  .article-head .news-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .stat-strip,
  .hero-stats,
  .process,
  .kv-grid {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .hero-actions,
  .cta-actions,
  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-ghost,
  .btn-light {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .has-js .reveal {
    opacity: 1;
    transform: none;
  }
}