:root {
  --text: #14213d;
  --muted: #64748b;
  --line: rgba(120, 146, 180, 0.2);
  --white: rgba(255, 255, 255, 0.74);
  --blue: #3b82f6;
  --cyan: #16b8c7;
  --violet: #8b5cf6;
  --green: #10b981;
  --orange: #f59e0b;
  --shadow: 0 24px 70px rgba(60, 86, 140, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background:
    radial-gradient(circle at 12% 0%, rgba(220, 235, 255, 0.96), transparent 34%),
    radial-gradient(circle at 88% 8%, rgba(242, 230, 255, 0.95), transparent 32%),
    radial-gradient(circle at 52% 92%, rgba(218, 249, 241, 0.72), transparent 30%),
    linear-gradient(135deg, #edf5ff 0%, #f8fbff 52%, #f7f1ff 100%);
  background-attachment: fixed;
}

body.has-pointer,
body.has-pointer a,
body.has-pointer button {
  cursor: none;
}

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

.cursor-dot,
.cursor-ring {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 60;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  will-change: transform;
}

.has-pointer .cursor-dot,
.has-pointer .cursor-ring {
  opacity: 1;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 0 18px rgba(59, 130, 246, 0.55);
}

.cursor-ring {
  width: 38px;
  height: 38px;
  margin: -19px 0 0 -19px;
  border: 1px solid rgba(59, 130, 246, 0.38);
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 12px 34px rgba(75, 107, 174, 0.18);
  backdrop-filter: blur(4px);
  transition: width 0.18s ease, height 0.18s ease, margin 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.cursor-hover .cursor-ring {
  width: 58px;
  height: 58px;
  margin: -29px 0 0 -29px;
  border-color: rgba(139, 92, 246, 0.45);
  background: rgba(255, 255, 255, 0.12);
}

.cursor-down .cursor-ring {
  width: 30px;
  height: 30px;
  margin: -15px 0 0 -15px;
}

.app-shell {
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

.page-orb {
  position: fixed;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  filter: blur(18px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  animation: float 10s ease-in-out infinite;
}

.page-orb.one {
  left: -120px;
  top: 120px;
  background: #bcd8ff;
}

.page-orb.two {
  right: -150px;
  top: 300px;
  background: #dbc9ff;
  animation-delay: -3s;
}

.page-orb.three {
  left: 48%;
  bottom: -170px;
  background: #baf4e8;
  animation-delay: -6s;
}

.cursor-light {
  position: fixed;
  left: var(--mx, 50%);
  top: var(--my, 50%);
  width: 520px;
  height: 520px;
  pointer-events: none;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.72) 0%, rgba(222, 236, 255, 0.42) 28%, rgba(255, 255, 255, 0) 68%);
  mix-blend-mode: soft-light;
  z-index: 1;
}

.scroll-line {
  position: fixed;
  left: 0;
  top: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--violet));
  z-index: 20;
}

.site-header {
  position: fixed;
  left: 50%;
  top: 18px;
  z-index: 10;
  display: flex;
  width: min(1180px, calc(100% - 32px));
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 18px 50px rgba(89, 112, 158, 0.14);
  backdrop-filter: blur(22px);
  transform: translateX(-50%);
}

.brand,
.desktop-nav,
.header-actions,
.hero-copy,
.section,
.metrics-strip,
.marquee-wrap,
.site-footer {
  position: relative;
  z-index: 2;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 15px;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, #2f80ff, #8b5cf6);
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.25);
}

.brand b,
.brand small {
  display: block;
}

.brand b {
  font-size: 15px;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.36);
}

.desktop-nav a {
  padding: 9px 13px;
  border-radius: 14px;
  color: #42526e;
  font-size: 14px;
  transition: 0.25s ease;
}

.desktop-nav a:hover {
  color: var(--blue);
  background: rgba(255, 255, 255, 0.72);
}

.header-actions {
  display: flex;
  gap: 8px;
}

.ghost-link,
.primary-link,
.btn {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.ghost-link {
  padding: 0 16px;
  color: #35506f;
  background: rgba(255, 255, 255, 0.58);
}

.primary-link,
.btn.primary {
  padding: 0 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 14px 30px rgba(79, 112, 232, 0.25);
}

.ghost-link:hover,
.primary-link:hover,
.btn:hover,
.entrance:hover,
.service-grid article:hover,
.benefit-list article:hover {
  transform: translateY(-3px);
}

.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
}

.menu-btn span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 5px auto;
  border-radius: 99px;
  background: #30445f;
  transition: 0.25s ease;
}

.drawer-mask,
.mobile-drawer {
  position: fixed;
  z-index: 12;
  opacity: 0;
  pointer-events: none;
  transition: 0.25s ease;
}

.drawer-mask {
  inset: 0;
  background: rgba(30, 41, 59, 0.22);
  backdrop-filter: blur(3px);
}

.mobile-drawer {
  right: 14px;
  top: 88px;
  width: min(330px, calc(100% - 28px));
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
  transform: translateY(-12px);
}

.mobile-drawer.open,
.drawer-mask.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer.open {
  transform: translateY(0);
}

.drawer-head {
  margin-bottom: 12px;
}

.drawer-head b,
.drawer-head span,
.mobile-drawer a {
  display: block;
}

.drawer-head span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.mobile-drawer > a {
  padding: 14px 10px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  color: #334155;
}

.drawer-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.drawer-cta a {
  padding: 12px 8px;
  border-radius: 15px;
  text-align: center;
  background: #f1f6ff;
}

.hero-screen {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 132px 22px 46px;
  position: relative;
}

.hero-copy {
  width: min(930px, 100%);
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 999px;
  color: #436182;
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 12px 35px rgba(75, 104, 155, 0.12);
  backdrop-filter: blur(18px);
}

.eyebrow i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 7px rgba(34, 197, 94, 0.14);
}

.hero-copy h1 {
  max-width: 850px;
  margin: 24px auto 20px;
  color: #13233d;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-copy h1 span {
  display: block;
  color: transparent;
  background: linear-gradient(120deg, #2f80ff, #22b8cf 48%, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-copy p {
  max-width: 780px;
  margin: 0 auto;
  color: #53657c;
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  min-width: 126px;
  padding: 0 22px;
}

.btn.glass {
  color: #2f5e90;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 12px 26px rgba(73, 103, 150, 0.13);
}

.btn.quiet {
  color: #56677f;
  background: transparent;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.hero-tags span,
.chip-cloud span,
.marquee span {
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  color: #5b6d84;
}

.hero-tags span {
  padding: 9px 13px;
  font-size: 14px;
}

.hero-ambient-card {
  position: absolute;
  z-index: 1;
  padding: 13px 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.48);
  box-shadow: 0 16px 40px rgba(89, 111, 153, 0.13);
  color: #52677f;
  font-weight: 800;
  backdrop-filter: blur(16px);
  animation: drift 6s ease-in-out infinite;
}

.hero-ambient-card-a {
  left: 12%;
  top: 28%;
}

.hero-ambient-card-b {
  right: 13%;
  top: 32%;
  animation-delay: -2s;
}

.hero-ambient-card-c {
  right: 22%;
  bottom: 18%;
  animation-delay: -4s;
}

.metrics-strip,
.section,
.marquee-wrap,
.site-footer {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: -14px;
}

.metrics-strip div,
.glass-card,
.service-grid article,
.process-grid article,
.benefit-list article {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.metrics-strip div::before,
.glass-card::before,
.service-grid article::before,
.process-grid article::before,
.benefit-list article::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at var(--spot-x, 50%) var(--spot-y, 0%), rgba(255, 255, 255, 0.9), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.55), transparent 42%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.metrics-strip div:hover::before,
.glass-card:hover::before,
.service-grid article:hover::before,
.process-grid article:hover::before,
.benefit-list article:hover::before {
  opacity: 1;
}

.tilt {
  transform-style: preserve-3d;
  transition: transform 0.18s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  will-change: transform;
}

.tilt:hover {
  border-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 28px 80px rgba(62, 92, 154, 0.2);
}

.metrics-strip div {
  padding: 22px;
  border-radius: 22px;
}

.metrics-strip strong {
  display: block;
  color: #1d4ed8;
  font-size: 28px;
}

.metrics-strip span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 86px 0 0;
}

.section-head {
  max-width: 690px;
  margin-bottom: 26px;
}

.section-head span,
.feature-card small,
.tab-card small {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--blue);
  font-weight: 800;
}

.section-head h2,
.feature-card h2 {
  margin: 0;
  color: #15243c;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-head p,
.feature-card p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.85;
}

.entrance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.glass-card,
.entrance,
.service-grid article,
.process-grid article,
.benefit-list article {
  border-radius: 24px;
}

.entrance {
  min-height: 238px;
  padding: 24px;
  transition: 0.25s ease;
}

.entrance i {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.62);
  font-style: normal;
}

.entrance b,
.service-grid b,
.process-grid b,
.benefit-list b {
  display: block;
  font-size: 18px;
}

.entrance p,
.service-grid p,
.process-grid p,
.benefit-list p {
  color: var(--muted);
  line-height: 1.75;
}

.entrance span {
  color: #2563eb;
  font-weight: 800;
}

.entrance.blue {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(218, 235, 255, 0.7));
}

.entrance.purple {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(235, 225, 255, 0.7));
}

.entrance.green {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(220, 250, 238, 0.7));
}

.entrance.orange {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(255, 239, 207, 0.7));
}

.split {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 28px;
  align-items: start;
}

.solution-panel {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 18px;
  padding: 16px;
}

.tabs {
  display: grid;
  gap: 9px;
}

.tabs button {
  border: 0;
  border-radius: 16px;
  padding: 14px;
  color: #53657c;
  background: rgba(255, 255, 255, 0.52);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.tabs button.active {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 12px 24px rgba(59, 130, 246, 0.22);
}

.tab-card {
  min-height: 260px;
  padding: 28px;
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(236, 245, 255, 0.66));
}

.tab-card h3 {
  margin: 0;
  font-size: 30px;
  line-height: 1.22;
}

.tab-card p {
  color: var(--muted);
  line-height: 1.85;
}

.tab-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.tab-card li {
  padding: 9px 12px;
  border-radius: 999px;
  color: #2563eb;
  background: rgba(219, 234, 254, 0.78);
  font-weight: 700;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.service-grid article,
.process-grid article,
.benefit-list article {
  padding: 22px;
  transition: 0.25s ease;
}

.service-grid i {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 14px;
  border-radius: 14px;
  color: #1d4ed8;
  background: #e8f1ff;
  font-style: normal;
  font-weight: 800;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.process-grid em {
  display: block;
  margin-bottom: 18px;
  color: transparent;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  font-size: 44px;
  font-style: normal;
  font-weight: 900;
}

.marquee-wrap {
  padding: 64px 0 0;
}

.marquee {
  display: flex;
  width: max-content;
  gap: 12px;
  animation: marquee 28s linear infinite;
}

.marquee span {
  padding: 12px 18px;
  white-space: nowrap;
}

.feature-card {
  padding: 34px;
}

.chip-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.chip-cloud span {
  padding: 9px 12px;
}

.benefit-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 880px;
}

.faq-item {
  width: 100%;
  border: 0;
  padding: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.faq-item span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 22px;
}

.faq-item i {
  font-style: normal;
  font-size: 22px;
  color: var(--blue);
}

.faq-item p {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  padding: 0 22px;
  color: var(--muted);
  line-height: 1.8;
  transition: 0.25s ease;
}

.faq-item.open p {
  max-height: 130px;
  padding: 0 22px 20px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 80px;
  padding: 34px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer b {
  display: block;
  color: var(--text);
  font-size: 18px;
}

.site-footer p {
  max-width: 460px;
  margin: 8px 0 0;
  line-height: 1.7;
}

.site-footer nav {
  display: flex;
  gap: 16px;
}

@keyframes float {
  50% {
    transform: translate3d(18px, -24px, 0) scale(1.04);
  }
}

@keyframes drift {
  50% {
    transform: translateY(-16px);
  }
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1020px) {
  .desktop-nav,
  .header-actions {
    display: none;
  }

  .menu-btn {
    display: block;
  }

  .brand {
    min-width: 0;
  }

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

  .split,
  .solution-panel {
    grid-template-columns: 1fr;
  }

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

  .hero-ambient-card {
    display: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
    border-radius: 20px;
  }

  .brand small {
    display: none;
  }

  .hero-screen {
    min-height: auto;
    padding-top: 118px;
  }

  .hero-copy h1 {
    font-size: 42px;
  }

  .hero-copy p {
    font-size: 15px;
  }

  .metrics-strip,
  .entrance-grid,
  .service-grid,
  .process-grid,
  .benefit-list,
  .tabs {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 62px;
  }

  .tab-card h3 {
    font-size: 25px;
  }

  .site-footer {
    display: block;
  }

  .site-footer nav {
    margin: 20px 0;
    flex-wrap: wrap;
  }
}