@charset "UTF-8";

:root {
  --bg: #080b16;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.14);
  --text: #f7fbff;
  --muted: #b7c2d8;
  --line: rgba(255,255,255,0.16);
  --accent: #77f7d3;
  --accent-2: #8aa6ff;
  --accent-3: #ffcf6d;
  --dark-text: #162033;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius: 26px;
  --radius-sm: 16px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(119, 247, 211, .25), transparent 34rem),
    radial-gradient(circle at top right, rgba(138, 166, 255, .28), transparent 30rem),
    linear-gradient(135deg, #080b16 0%, #10182f 48%, #07111d 100%);
  line-height: 1.68;
  min-height: 100vh;
}

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

img, video {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(8, 11, 22, 0.82);
  border-bottom: 1px solid var(--line);
}

.top-nav {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand-logo, .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: .04em;
}

.brand-logo span {
  font-size: 1.35rem;
}

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

.nav-links a {
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  transition: transform .25s ease, color .25s ease, background .25s ease, border-color .25s ease;
}

.nav-links a:hover {
  transform: translateY(-2px);
  color: var(--text);
  background: var(--panel);
  border-color: var(--line);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--panel);
  border-radius: 999px;
  padding: 9px 13px;
}

.domain-strip {
  width: min(100% - 32px, var(--max));
  margin: 0 auto 12px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,.06);
  font-size: .92rem;
}

.search-wrap {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 0 0 18px;
}

.search-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
}

.search-form input {
  min-width: 0;
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  outline: none;
  color: var(--text);
  background: rgba(5,8,14,.7);
}

.search-form input::placeholder {
  color: #8f9bb4;
}

.search-form button, .btn, .ghost-btn {
  border: 0;
  border-radius: 999px;
  padding: 13px 20px;
  cursor: pointer;
  font-weight: 800;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}

.search-form button, .btn {
  color: #071018;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  box-shadow: 0 12px 34px rgba(119,247,211,.18);
}

.ghost-btn {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.08);
}

.search-form button:hover, .btn:hover, .ghost-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(119,247,211,.25);
}

.search-message {
  display: none;
  margin: 8px 14px 0;
  color: var(--accent);
  font-size: .92rem;
}

.search-message.is-visible {
  display: block;
}

.breadcrumbs {
  width: min(100% - 32px, var(--max));
  margin: 22px auto 0;
  color: var(--muted);
  font-size: .94rem;
}

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

main {
  overflow: hidden;
}

.hero {
  width: min(100% - 32px, var(--max));
  margin: 42px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, .86fr);
  gap: 28px;
  align-items: center;
}

.hero-copy {
  padding: clamp(26px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 10px);
  background: linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: -30% auto auto -20%;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(119,247,211,.16);
  filter: blur(8px);
  animation: floatBlob 9s ease-in-out infinite;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--accent);
  background: rgba(119,247,211,.08);
  font-weight: 800;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.18;
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(2.35rem, 7vw, 5.8rem);
  letter-spacing: -.06em;
  position: relative;
}

h2 {
  font-size: clamp(1.7rem, 4vw, 3rem);
  letter-spacing: -.04em;
}

h3 {
  font-size: 1.25rem;
}

.lead {
  font-size: clamp(1.04rem, 2vw, 1.26rem);
  color: var(--muted);
  max-width: 720px;
  position: relative;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 26px 0;
  position: relative;
}

.hero-badges, .stat-row, .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-badges span, .stat-row span, .tag-row span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255,255,255,.06);
  color: var(--muted);
  font-size: .92rem;
}

.hero-visual {
  position: relative;
  min-height: 450px;
}

.hero-visual figure {
  margin: 0;
  height: 100%;
  border-radius: calc(var(--radius) + 12px);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: rgba(255,255,255,.05);
}

.hero-visual img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  min-height: 450px;
}

.floating-card {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 24px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(8,11,22,.78);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  animation: lift 4.8s ease-in-out infinite;
}

.section {
  width: min(100% - 32px, var(--max));
  margin: 96px auto 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(280px, .3fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 26px;
}

.section-head p {
  color: var(--muted);
  margin: 0;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card, .video-item, .case-card, .review-card, .faq-item, .contact-card, .article-card, .column-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255,255,255,.1), rgba(255,255,255,.045));
  box-shadow: 0 18px 46px rgba(0,0,0,.18);
}

.card, .review-card, .faq-item, .contact-card, .article-card, .column-card {
  padding: 22px;
}

.card {
  min-height: 210px;
}

.card strong {
  display: inline-flex;
  color: var(--accent);
  margin-bottom: 10px;
}

.card p, .case-card p, .review-card p, .faq-item p, .contact-card p, .article-card p, .column-card p {
  margin: 0;
  color: var(--muted);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.video-item {
  overflow: hidden;
  position: relative;
  transition: transform .3s ease, border-color .3s ease;
}

.video-item:hover {
  transform: translateY(-6px);
  border-color: rgba(119,247,211,.48);
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #111827;
}

.video-frame video, .video-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-button {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 66px;
  height: 66px;
  transform: translate(-50%, -50%) scale(.88);
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.45);
  background: rgba(8,11,22,.72);
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity .25s ease, transform .25s ease;
}

.play-button::before {
  content: "";
  width: 0;
  height: 0;
  margin-left: 5px;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
  border-left: 20px solid var(--accent);
}

.video-item:hover .play-button {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.video-body {
  padding: 18px;
}

.video-body h3 a {
  color: var(--text);
}

.video-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: .9rem;
  margin: 12px 0;
}

.case-card {
  overflow: hidden;
}

.case-card img, .article-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.case-card-body {
  padding: 20px;
}

.article-card {
  overflow: hidden;
  padding: 0;
}

.article-card .article-body {
  padding: 20px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.06);
}

.timeline-item time {
  color: var(--accent-3);
  font-weight: 900;
}

.reviews {
  columns: 2 320px;
  column-gap: 18px;
}

.review-card {
  break-inside: avoid;
  margin: 0 0 18px;
}

.review-card strong {
  display: block;
  color: var(--accent);
  margin-bottom: 8px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 900;
  color: var(--text);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(280px, 1.1fr);
  gap: 18px;
}

.map-placeholder {
  min-height: 320px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: rgba(255,255,255,.06);
}

.map-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}

.map-placeholder span {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(8,11,22,.75);
  color: var(--accent);
  border: 1px solid var(--line);
}

.cta-band {
  padding: clamp(28px, 5vw, 52px);
  border-radius: calc(var(--radius) + 12px);
  background: linear-gradient(135deg, rgba(119,247,211,.18), rgba(138,166,255,.16));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.site-footer {
  margin-top: 96px;
  border-top: 1px solid var(--line);
  background: rgba(3,7,14,.82);
}

.footer-grid {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 44px 0;
  display: grid;
  grid-template-columns: 1.2fr .9fr 1fr 1fr;
  gap: 24px;
}

.footer-grid h2 {
  font-size: 1.05rem;
}

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

.footer-list li + li {
  margin-top: 8px;
}

.footer-grid p, .footer-grid a {
  color: var(--muted);
}

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

.qr-row {
  display: flex;
  gap: 12px;
}

.qr-row figure {
  margin: 0;
}

.qr-row figcaption {
  color: var(--muted);
  font-size: .82rem;
  text-align: center;
  margin-top: 6px;
}

.back-top {
  display: block;
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 0 0 30px;
  color: var(--accent);
}

.sub-hero {
  width: min(100% - 32px, var(--max));
  margin: 40px auto 0;
  padding: clamp(28px, 6vw, 62px);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 10px);
  background: linear-gradient(135deg, rgba(255,255,255,.13), rgba(255,255,255,.04));
  box-shadow: var(--shadow);
}

.content-list {
  display: grid;
  gap: 16px;
}

.content-list article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.06);
}

.notice {
  border-left: 4px solid var(--accent);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(24px, 18px) scale(1.12); }
}

@keyframes lift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

@media (max-width: 980px) {
  .hero,
  .section-head,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .grid-3, .video-grid, .grid-2, .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-visual, .hero-visual img {
    min-height: 360px;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    width: 100%;
    padding-bottom: 12px;
  }

  .nav-links.is-open {
    display: flex;
  }

  .top-nav {
    align-items: flex-start;
    flex-wrap: wrap;
    padding-top: 16px;
  }

  .search-form {
    grid-template-columns: 1fr;
    border-radius: var(--radius-sm);
  }

  .search-form input, .search-form button {
    border-radius: 14px;
  }

  .grid-3, .video-grid, .grid-2, .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .hero {
    margin-top: 24px;
  }

  .section {
    margin-top: 62px;
  }

  .floating-card {
    position: static;
    margin-top: -86px;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }
}