@charset "utf-8";

:root {
  --bg: #070b18;
  --panel: rgba(255,255,255,.075);
  --panel-2: rgba(255,255,255,.11);
  --line: rgba(255,255,255,.14);
  --text: #f6f8ff;
  --muted: #a9b4d8;
  --primary: #7c5cff;
  --cyan: #21d4fd;
  --green: #42e79a;
  --yellow: #ffcf5a;
  --dark: #091025;
  --shadow: 0 26px 80px rgba(0,0,0,.38);
  --radius: 24px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 8%, rgba(124, 92, 255, .34), transparent 30rem),
    radial-gradient(circle at 92% 14%, rgba(33, 212, 253, .24), transparent 28rem),
    radial-gradient(circle at 52% 96%, rgba(255, 207, 90, .12), transparent 34rem),
    linear-gradient(180deg, #050815 0%, #0b1024 45%, #070b18 100%);
  line-height: 1.68;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,.14) 80%, transparent);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,.09);
  background: rgba(5, 8, 21, .76);
  backdrop-filter: blur(18px);
}

.navbar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 260px;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-text strong {
  display: block;
  font-size: 16px;
  letter-spacing: .02em;
}

.brand-text small {
  display: block;
  margin-top: -4px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .18em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: #e3e8ff;
  font-size: 14px;
}

.nav-links a {
  opacity: .84;
  transition: opacity .2s, color .2s, transform .2s;
}

.nav-links a:hover {
  opacity: 1;
  color: white;
  transform: translateY(-1px);
}

.nav-cta {
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.08);
  color: white;
  border-radius: 14px;
  padding: 10px 12px;
}

.hero {
  padding: 92px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 48px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.07);
  color: #dfe6ff;
  font-size: 14px;
  margin-bottom: 24px;
}

.eyebrow i {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--green);
  box-shadow: 0 0 18px rgba(66,231,154,.9);
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -.065em;
}

.gradient-text {
  background: linear-gradient(90deg, #fff 0%, #dce4ff 34%, #7beaff 70%, #ffe08a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 720px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 750;
  border: 1px solid rgba(255,255,255,.15);
  transition: transform .2s, border-color .2s, background .2s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  border-color: transparent;
  box-shadow: 0 18px 48px rgba(33,212,253,.22);
}

.btn-ghost {
  background: rgba(255,255,255,.075);
}

.hero-visual {
  position: relative;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 34px;
  padding: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,.11), rgba(255,255,255,.035));
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  border-radius: 26px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.float-panel {
  position: absolute;
  left: 36px;
  right: 36px;
  bottom: -28px;
  padding: 17px 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 22px;
  background: rgba(6, 10, 24, .78);
  backdrop-filter: blur(18px);
}

.float-panel b {
  display: block;
  font-size: 22px;
}

.float-panel span {
  color: var(--muted);
  font-size: 12px;
}

.section {
  padding: 82px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 32px;
}

.section-head h2 {
  margin-bottom: 8px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: -.045em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 680px;
}

.service-grid,
.case-grid {
  display: grid;
  gap: 18px;
}

.service-grid {
  grid-template-columns: repeat(4, 1fr);
}

.service-card,
.case-card,
.info-card,
.process-card {
  border: 1px solid rgba(255,255,255,.13);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.045));
  box-shadow: 0 18px 54px rgba(0,0,0,.2);
}

.service-card {
  padding: 24px;
}

.service-icon {
  width: 66px;
  height: 66px;
  margin-bottom: 18px;
  object-fit: contain;
}

.service-card h3,
.info-card h3,
.process-card h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.service-card p,
.info-card p,
.process-card p,
.case-body p {
  color: var(--muted);
  margin-bottom: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 18px;
}

.info-card {
  padding: 28px;
}

.logo-showcase {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    radial-gradient(circle at 22% 20%, rgba(124,92,255,.35), transparent 18rem),
    radial-gradient(circle at 78% 78%, rgba(33,212,253,.22), transparent 20rem),
    rgba(255,255,255,.055);
}

.logo-showcase img {
  width: 100%;
  border-radius: 22px;
  background: white;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.metric {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.11);
}

.metric b {
  display: block;
  font-size: 26px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

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

.case-card {
  overflow: hidden;
}

.case-image {
  display: block;
  position: relative;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .35s ease;
}

.case-card:hover .case-image img {
  transform: scale(1.035);
}

.case-image span {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(5, 8, 21, .68);
  backdrop-filter: blur(14px);
  font-size: 13px;
  font-weight: 750;
}

.case-body {
  padding: 24px;
}

.case-body h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.tag-row em {
  font-style: normal;
  font-size: 12px;
  color: #eaf0ff;
  padding: 6px 9px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.11);
}

.case-link {
  display: inline-flex;
  align-items: center;
  font-weight: 800;
  color: #8eeeff;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  counter-reset: process;
}

.process-card {
  position: relative;
  padding: 54px 20px 22px;
}

.process-card::before {
  counter-increment: process;
  content: "0" counter(process);
  position: absolute;
  top: 18px;
  left: 20px;
  color: var(--yellow);
  font-weight: 900;
  letter-spacing: .08em;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-stack span {
  padding: 9px 12px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.075);
  color: #e9eeff;
  font-size: 13px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 22px;
  align-items: center;
  padding: 34px;
  border-radius: 34px;
  border: 1px solid rgba(255,255,255,.14);
  background:
    radial-gradient(circle at 20% 20%, rgba(124,92,255,.35), transparent 20rem),
    radial-gradient(circle at 82% 28%, rgba(33,212,253,.22), transparent 22rem),
    rgba(255,255,255,.065);
  box-shadow: var(--shadow);
}

.contact-panel h2 {
  margin-bottom: 12px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -.045em;
}

.contact-panel p {
  color: var(--muted);
  margin-bottom: 0;
}

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

.contact-item {
  padding: 15px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.19);
}

.contact-item small {
  display: block;
  color: var(--muted);
  margin-bottom: 4px;
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,.1);
  color: var(--muted);
  font-size: 13px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1020px) {
  .hero-grid,
  .about-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

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

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

  .hero-visual {
    margin-top: 22px;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .navbar {
    min-height: 68px;
  }

  .brand {
    min-width: auto;
  }

  .brand-text strong {
    font-size: 14px;
  }

  .brand-text small {
    font-size: 10px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    left: 14px;
    right: 14px;
    top: 66px;
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    border-radius: 20px;
    background: rgba(7, 11, 24, .96);
    border: 1px solid rgba(255,255,255,.13);
  }

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

  .hero {
    padding: 54px 0 58px;
  }

  .float-panel {
    position: static;
    margin-top: 12px;
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 0;
  }

  .section-head {
    display: block;
  }

  .service-grid,
  .case-grid,
  .process-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    padding: 24px;
  }
}



/* ===== Footer / 备案信息修正版：桌面端不换行，小屏幕自适应 ===== */
.site-footer {
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  font-size: 13px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: nowrap;
}

.footer-copyright {
  color: var(--muted);
  white-space: nowrap;
}

.footer-beian {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.footer-beian a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-beian a:hover {
  color: #ffffff;
}

.footer-divider {
  opacity: 0.45;
}

.gongan-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.gongan-icon {
  width: 20px;
  height: 20px;
  display: inline-block;
  object-fit: contain;
  flex-shrink: 0;
}

@media (max-width: 980px) {
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .footer-copyright {
    white-space: normal;
  }

  .footer-beian {
    justify-content: flex-start;
    flex-wrap: wrap;
    white-space: normal;
  }
}