:root {
  --bg: #070b16;
  --bg-soft: #0d1428;
  --surface: #121b33;
  --surface-2: #171f3d;
  --text: #e8eeff;
  --muted: #9eb0d8;
  --accent: #58ddff;
  --accent-2: #b18dff;
  --line: rgba(161, 183, 229, 0.25);
}

* {
  box-sizing: border-box;
}

html,
body {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: radial-gradient(1200px 800px at 85% -10%, rgba(88, 221, 255, 0.14), transparent 55%),
              radial-gradient(900px 700px at -10% 20%, rgba(177, 141, 255, 0.16), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.7;
}

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

.site-header {
  transition: background-color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(7, 11, 22, 0.86);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(3, 6, 12, 0.35);
  border-color: rgba(161, 183, 229, 0.16);
}

.navbar .nav-link {
  color: rgba(232, 238, 255, 0.82);
  font-size: 0.95rem;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus,
.navbar .nav-link.active {
  color: var(--accent);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.logo-orb {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 50%;
  background: conic-gradient(from 100deg, var(--accent), var(--accent-2), var(--accent));
  box-shadow: 0 0 0 3px rgba(88, 221, 255, 0.12), 0 0 22px rgba(88, 221, 255, 0.3);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #040812;
  border: 0;
  font-weight: 700;
}

.btn-accent:hover,
.btn-accent:focus {
  color: #03060e;
  box-shadow: 0 12px 24px rgba(88, 221, 255, 0.25);
}

.hero-section {
  position: relative;
  padding: 8.5rem 0 4.25rem;
  min-height: 94vh;
  background: linear-gradient(100deg, rgba(7, 11, 22, 0.88) 20%, rgba(7, 11, 22, 0.35) 100%), url('../images/8384714.jpg') center/cover no-repeat;
  border-bottom: 1px solid rgba(161, 183, 229, 0.18);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 11, 22, 0.65), transparent 40%);
}

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(88, 221, 255, 0.12);
  border: 1px solid rgba(88, 221, 255, 0.28);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
}

.hero-text {
  max-width: 40rem;
  color: var(--muted);
}

.feature-poster {
  overflow: hidden;
  border-radius: 1.2rem;
  background: var(--surface);
  box-shadow: 0 22px 60px rgba(2, 6, 15, 0.6);
  position: relative;
}

.feature-poster img {
  display: block;
  width: 100%;
  height: 560px;
  object-fit: cover;
}

.poster-meta {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.2rem 1.2rem 1.1rem;
  background: linear-gradient(to top, rgba(5, 8, 16, 0.94), rgba(5, 8, 16, 0.25));
}

.poster-meta p {
  color: rgba(228, 238, 255, 0.78);
  font-size: 0.92rem;
}

.hero-stats .metric-card {
  background: rgba(18, 27, 51, 0.76);
  border: 1px solid rgba(161, 183, 229, 0.2);
  border-radius: 0.9rem;
  padding: 0.8rem 0.75rem;
  min-height: 90px;
}

.metric-value {
  line-height: 1;
  margin-bottom: 0.35rem;
}

.metric-value strong {
  font-size: 1.45rem;
  font-weight: 700;
}

.metric-value small {
  color: var(--accent);
  font-size: 0.88rem;
}

.metric-card p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.section-space {
  padding: 5.6rem 0;
}

.section-kicker {
  color: var(--accent);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.6rem, 2.7vw, 2.3rem);
  line-height: 1.25;
}

.section-desc {
  color: var(--muted);
  max-width: 46rem;
}

.media-shell {
  position: relative;
  border-radius: 1.05rem;
  overflow: hidden;
  border: 1px solid rgba(161, 183, 229, 0.2);
  box-shadow: 0 16px 40px rgba(3, 6, 14, 0.45);
}

.media-shell img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.floating-tag {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  background: rgba(9, 14, 28, 0.88);
  border: 1px solid rgba(88, 221, 255, 0.35);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.78rem;
  padding: 0.28rem 0.72rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.65rem;
  color: #d3def7;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.more-link {
  color: var(--accent);
  font-size: 0.92rem;
}

.project-card,
.news-card {
  border-radius: 1rem;
  overflow: hidden;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid rgba(161, 183, 229, 0.15);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.project-card:hover,
.news-card:hover {
  transform: translateY(-6px);
  border-color: rgba(88, 221, 255, 0.45);
  box-shadow: 0 18px 34px rgba(3, 8, 20, 0.45);
}

.project-card img {
  height: 260px;
  object-fit: cover;
}

.news-card img {
  height: 210px;
  object-fit: cover;
}

.tiny-tag {
  font-size: 0.74rem;
  color: var(--accent);
  background: rgba(88, 221, 255, 0.12);
  border: 1px solid rgba(88, 221, 255, 0.25);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}

.project-card p,
.news-card p {
  color: var(--muted);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.78rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed rgba(161, 183, 229, 0.2);
}

.faq-accordion .accordion-item {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid rgba(161, 183, 229, 0.16);
  color: var(--text);
  margin-bottom: 0.75rem;
  border-radius: 0.85rem;
  overflow: hidden;
}

.faq-accordion .accordion-button,
.faq-accordion .accordion-body {
  background: transparent;
  color: var(--text);
}

.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--accent);
  box-shadow: none;
}

.faq-accordion .accordion-button:focus {
  box-shadow: none;
}

.quote-shell {
  background: linear-gradient(160deg, rgba(14, 21, 43, 0.96), rgba(9, 13, 26, 0.96));
  border: 1px solid rgba(161, 183, 229, 0.16);
  border-radius: 1.15rem;
  padding: clamp(1.4rem, 3vw, 2.2rem);
}

.quote-shell .lead {
  color: #dfe9ff;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.portrait-img {
  width: 100%;
  border-radius: 1rem;
  border: 1px solid rgba(161, 183, 229, 0.2);
  object-fit: cover;
  max-height: 520px;
}

.avatar-dot {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.partner-box {
  background: linear-gradient(180deg, rgba(17, 25, 47, 0.95), rgba(10, 14, 27, 0.95));
  border: 1px solid rgba(161, 183, 229, 0.14);
  border-radius: 1.2rem;
  padding: 2.2rem 1.2rem;
}

.partner-pill {
  border: 1px solid rgba(161, 183, 229, 0.22);
  background: rgba(9, 14, 28, 0.76);
  border-radius: 0.7rem;
  padding: 0.6rem 0.5rem;
  font-size: 0.88rem;
  color: #d6e1fa;
}

.friends-area {
  padding-top: 0;
}

.friends-wrap {
  background: rgba(12, 18, 35, 0.88);
  border: 1px solid rgba(161, 183, 229, 0.18);
  border-radius: 1rem;
  padding: 1.2rem;
}

.friend-link {
  display: block;
  text-align: center;
  border: 1px solid rgba(88, 221, 255, 0.2);
  color: #cde8ff;
  border-radius: 0.7rem;
  padding: 0.55rem 0.45rem;
  font-size: 0.86rem;
  background: rgba(88, 221, 255, 0.06);
  transition: all 0.2s ease;
}

.friend-link:hover {
  color: #071020;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
}

.site-footer {
  background: #050810;
  border-top: 1px solid rgba(161, 183, 229, 0.18);
  padding: 3.2rem 0 1.5rem;
}

.footer-links a {
  display: inline-block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0.45rem;
}

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

.social-row {
  display: flex;
  gap: 0.55rem;
}

.social-row a {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(161, 183, 229, 0.24);
  color: #dbe8ff;
  font-size: 0.8rem;
}

.footer-bottom {
  margin-top: 1.7rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(161, 183, 229, 0.12);
  color: var(--muted);
}

.footer-bottom a {
  color: var(--accent);
}

.booking-modal {
  background: linear-gradient(180deg, #131d37, #0c1326);
  color: var(--text);
  border: 1px solid rgba(161, 183, 229, 0.22);
}

.booking-modal .form-control {
  background: rgba(7, 11, 22, 0.65);
  border: 1px solid rgba(161, 183, 229, 0.25);
  color: var(--text);
}

.booking-modal .form-control:focus {
  box-shadow: 0 0 0 0.2rem rgba(88, 221, 255, 0.22);
  border-color: rgba(88, 221, 255, 0.55);
}

@media (max-width: 991.98px) {
  .hero-section {
    min-height: auto;
    padding: 7rem 0 3.5rem;
  }

  .feature-poster img {
    height: 420px;
  }

  .section-space {
    padding: 4.6rem 0;
  }
}

@media (max-width: 575.98px) {
  .hero-section {
    padding-top: 6.7rem;
  }

  .feature-poster img,
  .media-shell img,
  .project-card img,
  .news-card img {
    height: 230px;
  }

  .partner-box {
    padding: 1.5rem 0.9rem;
  }
}