:root {
  --bg: #ffffff;
  --panel: rgba(0, 0, 0, 0.04);
  --panel-2: rgba(0, 0, 0, 0.06);
  --text: rgba(0, 0, 0, 0.90);
  --muted: rgba(0, 0, 0, 0.64);
  --subtle: rgba(0, 0, 0, 0.52);
  --line: rgba(0, 0, 0, 0.10);
  --accent: #7c5cff;
  --accent-2: #2ce6b3;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.14);
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(900px 560px at 10% 10%, rgba(124, 92, 255, 0.10), transparent 55%),
    radial-gradient(900px 560px at 85% 20%, rgba(44, 230, 179, 0.08), transparent 55%),
    var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.6;
}

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

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 10px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}
.skip-link:focus {
  left: 12px;
  z-index: 999;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-logo {
  width: 64px;
  height: 64px;
  display: block;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  border: 0;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
  object-fit: contain;
  padding: 8px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.85), rgba(44, 230, 179, 0.6));
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
  font-weight: 800;
  letter-spacing: 0.5px;
}

.brand-text {
  display: grid;
  gap: 2px;
}
.brand-name {
  font-weight: 800;
  letter-spacing: 0.4px;
  font-size: 16px;
}
.brand-sub {
  color: var(--muted);
  font-size: 12.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav a {
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--muted);
  border: 0;
}
.nav a:hover {
  color: var(--text);
  background: rgba(0, 0, 0, 0.04);
}

.hero {
  padding: 40px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: clamp(440px, 72vh, 780px);
}

.hero-copy h1 {
  margin: 8px 0 10px;
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.12;
  letter-spacing: 0.2px;
}

.hero-subtitle {
  margin-top: -2px;
  color: var(--muted);
  font-size: 15.5px;
  letter-spacing: 0.2px;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
  max-width: 54ch;
  line-height: 1.9;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 0;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text);
  font-weight: 650;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}
.btn:hover {
  transform: translateY(-1px);
  background: rgba(0, 0, 0, 0.07);
}
.btn:active {
  transform: translateY(0px);
}
.btn.primary {
  color: rgba(255, 255, 255, 0.96);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.95), rgba(44, 230, 179, 0.78));
  border-color: transparent;
}
.btn.ghost {
  background: rgba(0, 0, 0, 0.035);
}

.badge {
  padding: 12px 12px;
  border-radius: 16px;
  background: var(--panel);
  border: 0;
}
.badge-title {
  font-weight: 750;
  letter-spacing: 0.2px;
  font-size: 13.5px;
}
.badge-text {
  color: var(--subtle);
  font-size: 12.5px;
  margin-top: 2px;
}

.hero-media {
  position: sticky;
  top: 84px;
}

.carousel {
  border-radius: var(--radius-lg);
  border: 0;
  background: rgba(255, 255, 255, 0.90);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.carousel-viewport {
  overflow: hidden;
  position: relative;
}

.carousel-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  transition: transform 420ms cubic-bezier(0.2, 0.85, 0.2, 1);
}
.slide {
  margin: 0;
  position: relative;
  height: clamp(440px, 72vh, 780px);
  background: rgba(0, 0, 0, 0.04);
}
.slide img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 20%;
  filter: saturate(1.05) contrast(1.02);
}
.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(800px 400px at 10% 10%, rgba(255, 255, 255, 0.20), transparent 55%),
    linear-gradient(to top, rgba(255, 255, 255, 0.18), transparent 55%);
  pointer-events: none;
}

.carousel-controls {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  gap: 10px;
  padding: 10px 12px 12px;
  border-top: 0;
  background: transparent;
}

.icon-btn {
  width: 44px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 0;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
}
.icon-btn:hover {
  background: rgba(0, 0, 0, 0.07);
}

.dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  border: 0;
  background: rgba(0, 0, 0, 0.14);
  cursor: pointer;
}
.dot[aria-selected="true"] {
  width: 22px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.95), rgba(44, 230, 179, 0.72));
  border-color: transparent;
}


.section {
  padding: 46px 0;
}
.section.alt {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.02), transparent 40%),
    rgba(0, 0, 0, 0.015);
  border-top: 0;
  border-bottom: 0;
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}
.section-head h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.2px;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 80ch;
}

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

.card {
  border-radius: var(--radius-lg);
  padding: 16px 16px;
  background: var(--panel);
  border: 0;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}
.card h3 {
  margin: 0 0 6px;
  letter-spacing: 0.2px;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items: start;
}

.list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.list li {
  margin: 6px 0;
}

.inline-cta {
  margin-top: 14px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.panel {
  border-radius: var(--radius-lg);
  padding: 16px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.08), rgba(44, 230, 179, 0.06));
  border: 0;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.08);
}
.panel-title {
  font-weight: 800;
  letter-spacing: 0.2px;
}
.tags {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.04);
  border: 0;
}
.panel-note {
  margin-top: 12px;
  color: var(--subtle);
  font-size: 12.5px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 14px;
  align-items: start;
}
.contact-card {
  border-radius: var(--radius-lg);
  padding: 16px;
  background: var(--panel);
  border: 0;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}
.kv {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 0;
}
.kv:last-child {
  border-bottom: 0;
}
.k {
  color: var(--subtle);
  font-size: 12.5px;
}
.v a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(0, 0, 0, 0.28);
}
.v a:hover {
  text-decoration-color: rgba(44, 230, 179, 0.6);
}

.form {
  border-radius: var(--radius-lg);
  padding: 16px;
  background: rgba(0, 0, 0, 0.02);
  border: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form label {
  display: grid;
  gap: 6px;
}
.form label.full {
  grid-column: 1 / -1;
}
.form span {
  color: var(--subtle);
  font-size: 12.5px;
}
input,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.85);
  color: var(--text);
  outline: none;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.06);
}
input:focus,
textarea:focus {
  border-color: transparent;
  box-shadow: 0 0 0 4px rgba(44, 230, 179, 0.18), 0 10px 22px rgba(0, 0, 0, 0.06);
}
textarea {
  resize: vertical;
}
.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.form-hint {
  color: var(--muted);
  font-size: 12.5px;
}

.footer {
  border-top: 0;
  padding: 18px 0;
  color: var(--subtle);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.to-top {
  padding: 8px 10px;
  border-radius: 12px;
  border: 0;
  background: rgba(0, 0, 0, 0.03);
}
.to-top:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text);
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-media {
    position: relative;
    top: auto;
  }
  .split {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav {
    display: none;
  }
  .brand-logo {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    padding: 7px;
  }
  .brand-name {
    font-size: 15px;
  }
  .hero-badges {
    grid-template-columns: 1fr;
  }
  .cards,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .form {
    grid-template-columns: 1fr;
  }
  .kv {
    grid-template-columns: 72px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .carousel-track {
    transition: none;
  }
  .btn {
    transition: none;
  }
}