:root {
  --bg: #eef5ff;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: rgba(148, 163, 184, 0.3);
  --primary: #0d6efd;
  --primary-dark: #0a4cb8;
  --primary-soft: rgba(13, 110, 253, 0.12);
  --success-bg: rgba(22, 163, 74, 0.1);
  --success-text: #166534;
  --error-bg: rgba(220, 38, 38, 0.1);
  --error-text: #b91c1c;
  --shadow: 0 24px 80px rgba(15, 23, 42, 0.12);
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --container: min(1180px, calc(100% - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(13, 110, 253, 0.2), transparent 28%),
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.16), transparent 20%),
    linear-gradient(180deg, #eef5ff 0%, #f8fbff 45%, #edf2f8 100%);
}

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

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

button,
input,
textarea {
  font: inherit;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

figure {
  margin: 0;
}

.site-shell {
  min-height: 100vh;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 118px;
  padding-bottom: 36px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(20px);
  z-index: 0;
}

.hero::before {
  width: 420px;
  height: 420px;
  top: -160px;
  right: -90px;
  background: rgba(13, 110, 253, 0.18);
}

.hero::after {
  width: 360px;
  height: 360px;
  left: -130px;
  bottom: 120px;
  background: rgba(255, 255, 255, 0.72);
}

.hero-content,
.section,
.footer {
  position: relative;
  z-index: 1;
}

.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  z-index: 40;
  width: var(--container);
  margin: 0;
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 18px;
  color: #ffffff;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, #60a5fa 100%);
  box-shadow: 0 12px 28px rgba(13, 110, 253, 0.28);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.06rem;
}

.brand-text small {
  color: var(--muted);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  color: #1e293b;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-cta {
  padding: 12px 18px;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
  box-shadow: 0 14px 28px rgba(13, 110, 253, 0.22);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--text);
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  align-items: center;
  gap: 40px;
  min-height: calc(100vh - 108px);
  padding: 64px 0 72px;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-heading h2,
.contact-copy h2 {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-weight: 700;
  line-height: 1.08;
}

.hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(2.8rem, 7vw, 5rem);
}

.hero-text,
.section-heading p,
.contact-copy p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-text {
  max-width: 560px;
  margin: 24px 0 0;
  font-size: 1.05rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button:disabled {
  opacity: 0.72;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.button:disabled:hover {
  transform: none;
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
  box-shadow: 0 16px 32px rgba(13, 110, 253, 0.24);
}

.button-secondary {
  border-color: rgba(148, 163, 184, 0.24);
  color: var(--text);
  background: rgba(255, 255, 255, 0.82);
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-highlights li {
  padding: 10px 14px;
  border-radius: 999px;
  color: #334155;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.88);
}

.hero-visual {
  --scene-scale: 1;
  --scene-tilt-x: 0deg;
  --scene-tilt-y: 0deg;
  --scene-far-x: 0px;
  --scene-far-y: 0px;
  --scene-mid-x: 0px;
  --scene-mid-y: 0px;
  --scene-near-x: 0px;
  --scene-near-y: 0px;
  --scene-glow-x: 0px;
  --scene-glow-y: 0px;
  position: relative;
  width: min(100%, 560px);
  min-height: 560px;
  justify-self: end;
  perspective: 1800px;
  isolation: isolate;
  pointer-events: none;
  user-select: none;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.hero-visual::before {
  inset: 90px 54px 136px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.92) 0%, rgba(191, 219, 254, 0.34) 34%, transparent 68%);
  filter: blur(18px);
  opacity: 0.9;
  transform: translate3d(var(--scene-glow-x), var(--scene-glow-y), 0);
  transition: transform 220ms ease-out;
}

.hero-visual::after {
  inset: auto 56px 12px;
  height: 46px;
  border-radius: 999px;
  background: rgba(13, 110, 253, 0.18);
  filter: blur(22px);
  opacity: 0.78;
}

.hero-visual-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(18px);
  opacity: 0.72;
  z-index: 0;
  animation: hero-orb-pulse 9s ease-in-out infinite;
}

.hero-visual-orb-one {
  top: 48px;
  left: 34px;
  width: 172px;
  height: 172px;
  background: rgba(125, 211, 252, 0.58);
}

.hero-visual-orb-two {
  right: 12px;
  bottom: 54px;
  width: 216px;
  height: 216px;
  background: rgba(13, 110, 253, 0.24);
  animation-delay: -3s;
}

.scene-3d-shell {
  position: absolute;
  inset: 24px 16px 40px;
  z-index: 1;
  animation: hero-scene-float 7s ease-in-out infinite;
  transform-style: preserve-3d;
  will-change: transform;
}

.scene-3d {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transform: rotateX(calc(63deg + var(--scene-tilt-x))) rotateZ(-36deg) rotateY(var(--scene-tilt-y)) scale(var(--scene-scale));
  transform-origin: center center;
  transition: transform 220ms ease-out, filter 220ms ease-out;
  will-change: transform;
  filter: drop-shadow(0 28px 48px rgba(15, 23, 42, 0.1));
}

.scene-floor {
  position: absolute;
  inset: 92px 14px 18px;
  border-radius: 52px;
  background: linear-gradient(145deg, rgba(191, 219, 254, 0.52), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 32px 90px rgba(13, 110, 253, 0.18);
}

.scene-floor::before,
.scene-floor::after {
  content: "";
  position: absolute;
}

.scene-floor::before {
  inset: 20px;
  border-radius: 34px;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.42) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.48;
}

.scene-floor::after {
  inset: 62px 116px;
  border-radius: 999px;
  background: rgba(13, 110, 253, 0.16);
  filter: blur(24px);
  transform: translate3d(var(--scene-glow-x), var(--scene-glow-y), 0);
}

.scene-block,
.scene-pillar {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.84);
  box-shadow: 0 24px 56px rgba(13, 110, 253, 0.18);
  transform-style: preserve-3d;
  transition: transform 220ms ease-out, box-shadow 220ms ease-out;
  will-change: transform;
}

.scene-block {
  overflow: visible;
  padding: 22px;
  border-radius: 30px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(219, 234, 254, 0.78));
  backdrop-filter: blur(16px);
}

.scene-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 48%);
  pointer-events: none;
}

.scene-block::after {
  content: "";
  position: absolute;
  top: 16px;
  right: -18px;
  width: 18px;
  height: calc(100% - 32px);
  border-radius: 0 18px 18px 0;
  background: linear-gradient(180deg, rgba(191, 219, 254, 0.96), rgba(96, 165, 250, 0.42));
  opacity: 0.84;
  transform: rotateY(90deg) translateZ(8px);
  transform-origin: right center;
}

.scene-block-back {
  top: 188px;
  left: 28px;
  width: 170px;
  height: 200px;
  transform: translate3d(var(--scene-far-x), var(--scene-far-y), 36px);
}

.scene-block-mid {
  top: 116px;
  left: 130px;
  width: 208px;
  height: 240px;
  transform: translate3d(var(--scene-mid-x), var(--scene-mid-y), 88px);
}

.scene-block-front {
  top: 40px;
  left: 236px;
  width: 248px;
  height: 292px;
  box-shadow: 0 30px 68px rgba(13, 110, 253, 0.24);
  transform: translate3d(var(--scene-near-x), var(--scene-near-y), 140px);
}

.scene-pillar {
  border-radius: 999px 999px 24px 24px;
  background: linear-gradient(180deg, rgba(125, 211, 252, 0.94), rgba(13, 110, 253, 0.76));
}

.scene-pillar::after {
  content: "";
  position: absolute;
  inset: 8px 10px auto;
  height: 26px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
}

.scene-pillar-one {
  top: 220px;
  left: 198px;
  width: 46px;
  height: 146px;
  transform: translate3d(var(--scene-mid-x), var(--scene-mid-y), 20px);
}

.scene-pillar-two {
  top: 166px;
  left: 388px;
  width: 60px;
  height: 188px;
  transform: translate3d(var(--scene-near-x), var(--scene-near-y), 40px);
}

.scene-chip,
.scene-line {
  display: block;
  position: relative;
  z-index: 1;
  border-radius: 999px;
}

.scene-chip {
  width: 76px;
  height: 12px;
  background: rgba(13, 110, 253, 0.16);
}

.scene-line {
  height: 12px;
  margin-top: 14px;
  background: rgba(14, 116, 144, 0.12);
}

.scene-line-long {
  width: 74%;
}

.scene-line-medium {
  width: 56%;
}

.scene-line-short {
  width: 42%;
}

.scene-bars {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 24px;
  z-index: 1;
  display: flex;
  align-items: end;
  gap: 10px;
  height: 86px;
}

.scene-bars span {
  flex: 1;
  border-radius: 999px 999px 14px 14px;
  background: linear-gradient(180deg, #93c5fd 0%, var(--primary) 100%);
  opacity: 0.92;
}

.scene-block-back .scene-bars span:nth-child(1) {
  height: 34%;
}

.scene-block-back .scene-bars span:nth-child(2) {
  height: 64%;
}

.scene-block-back .scene-bars span:nth-child(3) {
  height: 48%;
}

.scene-block-mid .scene-bars span:nth-child(1) {
  height: 42%;
}

.scene-block-mid .scene-bars span:nth-child(2) {
  height: 76%;
}

.scene-block-mid .scene-bars span:nth-child(3) {
  height: 58%;
}

.scene-block-front .scene-bars span:nth-child(1) {
  height: 54%;
}

.scene-block-front .scene-bars span:nth-child(2) {
  height: 82%;
}

.scene-block-front .scene-bars span:nth-child(3) {
  height: 68%;
}

.hero-visual-meta {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: 0 20px 44px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(16px);
  animation: hero-card-float 6s ease-in-out infinite;
  transform-style: preserve-3d;
}

.hero-visual-meta span {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-visual-meta strong {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: 1.04rem;
  line-height: 1.2;
}

.hero-visual-meta-left {
  left: 0;
  bottom: 24px;
  animation-delay: -2s;
}

.hero-visual-meta-right {
  top: 42px;
  right: 0;
  animation-delay: -4s;
}

@keyframes hero-scene-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-14px);
  }
}

@keyframes hero-card-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes hero-orb-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.56;
  }

  50% {
    transform: scale(1.08);
    opacity: 0.84;
  }
}

@media (hover: hover) and (pointer: fine) {
  .hero-visual {
    pointer-events: auto;
  }
}

.hero-slider {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 20px;
  align-items: end;
}

.slider-panel,
.stats-card,
.service-card,
.case-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.slider-panel {
  padding: 30px;
  border-radius: var(--radius-lg);
}

.slides {
  position: relative;
  min-height: 380px;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.slide.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.slide-tag {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 700;
  background: var(--primary-soft);
}

.slide h2 {
  margin: 20px 0 14px;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  line-height: 1.18;
}

.slide p {
  margin: 0;
  color: var(--muted);
  line-height: 1.78;
}

.slide-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.slide-metrics div,
.stats-list div {
  padding: 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(13, 110, 253, 0.08);
}

.slide-metrics strong,
.stats-list dt {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.7rem;
}

.slide-metrics span,
.stats-list dd {
  margin: 0;
  color: var(--muted);
}

.slider-ui {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
}

.stats-card {
  padding: 22px;
  border-radius: var(--radius-lg);
}

.stats-card p {
  margin: 0;
  color: var(--muted);
}

.stats-card strong {
  display: block;
  margin-top: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
}

.stats-bars {
  display: flex;
  align-items: end;
  gap: 10px;
  height: 140px;
  margin: 26px 0;
}

.stats-bars span {
  flex: 1;
  border-radius: 999px 999px 8px 8px;
  background: linear-gradient(180deg, #7dd3fc 0%, var(--primary) 100%);
}

.stats-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.trust-bar {
  padding-top: 20px;
}

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

.trust-grid article {
  padding: 28px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  overflow: hidden;
}

.trust-grid strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.trust-grid span {
  color: var(--muted);
}

.section-heading {
  max-width: 700px;
  margin-bottom: 38px;
}

.section-heading h2,
.contact-copy h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.service-grid,
.case-grid {
  display: grid;
  gap: 22px;
  align-items: stretch;
}

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

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

.service-card {
  height: 100%;
  padding: 30px;
  border-radius: var(--radius-md);
}

.service-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  color: var(--primary);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(13, 110, 253, 0.12), rgba(96, 165, 250, 0.3));
}

.service-card h3,
.case-body h3 {
  margin: 18px 0 12px;
  font-size: 1.35rem;
}

.service-card p,
.case-body p,
.footer p {
  color: var(--muted);
  line-height: 1.78;
}

.service-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.service-list li {
  position: relative;
  padding-left: 18px;
  color: #334155;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--primary);
}

.case-card {
  height: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.case-media {
  aspect-ratio: 4 / 3;
  background: #dbeafe;
}

.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-body {
  padding: 24px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.case-tags span {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--primary);
  font-size: 0.84rem;
  background: var(--primary-soft);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 32px;
  align-items: start;
}

.contact-copy {
  max-width: 540px;
}

.contact-direct-note {
  color: var(--muted);
  line-height: 1.8;
}

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

.contact-points {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.contact-points article {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.08);
}

.contact-points span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
}

.contact-points strong a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.contact-points strong a:hover {
  color: var(--primary);
}

.contact-panel {
  padding: 30px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.contact-panel-head {
  margin-bottom: 24px;
}

.contact-panel-kicker {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--primary-soft);
}

.contact-panel h3 {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  line-height: 1.12;
}

.contact-panel p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.form-feedback {
  margin-bottom: 20px;
  padding: 14px 16px;
  border-radius: 18px;
  line-height: 1.7;
}

.form-feedback[hidden] {
  display: none;
}

.form-feedback.is-success {
  color: var(--success-text);
  background: var(--success-bg);
}

.form-feedback.is-error {
  color: var(--error-text);
  background: var(--error-bg);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field-group {
  display: grid;
  gap: 8px;
}

.field-group-wide {
  grid-column: 1 / -1;
}

.field-group label {
  font-weight: 600;
  color: #1e293b;
}

.field-group input,
.field-group textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: var(--text);
  background: rgba(255, 255, 255, 0.92);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.field-group input:focus,
.field-group textarea:focus {
  outline: none;
  border-color: rgba(13, 110, 253, 0.6);
  box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.12);
  background: #ffffff;
}

.field-group input[aria-invalid="true"],
.field-group textarea[aria-invalid="true"] {
  border-color: rgba(220, 38, 38, 0.58);
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.08);
}

.field-group textarea {
  min-height: 148px;
  resize: vertical;
}

.field-error {
  min-height: 1.2em;
  color: var(--error-text);
  font-size: 0.84rem;
  line-height: 1.5;
}

.captcha-status {
  padding: 14px 16px;
  border-radius: 16px;
  color: #1e293b;
  line-height: 1.7;
  background: rgba(13, 110, 253, 0.08);
  border: 1px solid rgba(13, 110, 253, 0.14);
}

.captcha-status.is-loading {
  color: #1d4ed8;
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.2);
}

.captcha-status.is-success {
  color: var(--success-text);
  background: var(--success-bg);
  border-color: rgba(22, 163, 74, 0.18);
}

.captcha-status.is-error {
  color: var(--error-text);
  background: var(--error-bg);
  border-color: rgba(220, 38, 38, 0.18);
}

.button-submit {
  width: 100%;
  margin-top: 8px;
}

.wechat-float {
  position: fixed;
  right: 18px;
  right: calc(18px + env(safe-area-inset-right));
  bottom: 18px;
  bottom: calc(18px + env(safe-area-inset-bottom));
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 12px 18px 12px 14px;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, #07c160 0%, #10b981 100%);
  box-shadow: 0 20px 40px rgba(7, 193, 96, 0.28);
  transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
}

.wechat-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 46px rgba(7, 193, 96, 0.34);
  filter: saturate(1.05);
}

.wechat-float:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.9),
    0 0 0 8px rgba(7, 193, 96, 0.3),
    0 20px 40px rgba(7, 193, 96, 0.28);
}

.wechat-float-icon {
  position: relative;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.wechat-float-icon::before,
.wechat-float-icon::after,
.wechat-float-icon span::before,
.wechat-float-icon span::after {
  content: "";
  position: absolute;
  background: #ffffff;
}

.wechat-float-icon::before {
  top: 9px;
  left: 8px;
  width: 13px;
  height: 11px;
  border-radius: 6px 6px 6px 2px;
}

.wechat-float-icon::after {
  top: 15px;
  left: 12px;
  width: 5px;
  height: 5px;
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.wechat-float-icon span::before {
  right: 7px;
  bottom: 9px;
  width: 15px;
  height: 12px;
  border-radius: 6px 6px 2px 6px;
}

.wechat-float-icon span::after {
  right: 11px;
  bottom: 6px;
  width: 5px;
  height: 5px;
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.wechat-float-copy {
  display: grid;
  gap: 2px;
  line-height: 1.1;
}

.wechat-float-copy strong {
  font-size: 0.98rem;
  font-weight: 700;
}

.wechat-float-copy small {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.footer {
  padding: 26px 0 40px;
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.1fr auto auto;
  gap: 20px;
  align-items: center;
  padding: 28px 30px;
  border-radius: var(--radius-lg);
  color: rgba(255, 255, 255, 0.82);
  background: rgba(15, 23, 42, 0.94);
}

.footer-brand {
  margin-bottom: 14px;
}

.footer .brand-text small,
.footer p,
.footer-copy {
  color: rgba(255, 255, 255, 0.62);
}

.footer-links {
  display: flex;
  gap: 18px;
}

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

.footer-beian {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
}

.footer-beian a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s ease;
}

.footer-beian a:hover {
  color: rgba(255, 255, 255, 0.8);
}

.beian-icon {
  width: 14px;
  height: 14px;
}

@media (prefers-reduced-motion: reduce) {
  .hero-visual-orb,
  .scene-3d-shell,
  .hero-visual-meta {
    animation: none;
  }
}

@media (max-width: 1100px) {
  .hero-content,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .hero-visual {
    --scene-scale: 0.92;
    width: min(100%, 620px);
    min-height: 440px;
    margin: 0 auto;
    justify-self: center;
  }

  .hero-slider {
    grid-template-columns: 1fr;
  }

  .stats-card {
    max-width: 520px;
  }

  .footer-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links,
  .footer-brand {
    justify-content: center;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    left: 0;
    z-index: 100;
    display: grid;
    gap: 12px;
    padding: 16px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.12);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease;
  }

  .nav-menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .nav-links a,
  .nav-cta {
    display: block;
    padding: 12px 14px;
    border-radius: 14px;
  }

  .nav-links a:hover {
    background: rgba(13, 110, 253, 0.08);
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .hero-visual {
    --scene-scale: 0.82;
    min-height: 380px;
  }

  .scene-3d-shell {
    inset: 18px 0 28px;
  }

  .hero-visual-meta {
    padding: 14px 16px;
  }

  .hero-visual-meta-right {
    top: 22px;
  }

  .hero-visual-meta-left {
    bottom: 12px;
  }
}

@media (max-width: 640px) {
  html {
    scroll-padding-top: 96px;
  }

  :root {
    --container: min(100% - 28px, 1180px);
  }

  .section {
    padding: 72px 0;
  }

  .nav {
    top: 10px;
    padding: 14px 16px;
    border-radius: 22px;
  }

  .hero {
    padding-top: 102px;
  }

  .hero-content {
    min-height: auto;
    gap: 30px;
    padding: 16px 0 54px;
  }

  .hero-visual {
    --scene-scale: 0.68;
    min-height: 312px;
  }

  .scene-3d-shell {
    inset: 6px -14px 28px;
  }

  .hero-visual-meta {
    padding: 12px 14px;
    border-radius: 16px;
  }

  .hero-visual-meta span {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
  }

  .hero-visual-meta strong {
    font-size: 0.92rem;
  }

  .hero-visual-meta-right {
    top: 10px;
  }

  .hero-visual-meta-left {
    bottom: 0;
  }

  .wechat-float {
    right: 14px;
    right: calc(14px + env(safe-area-inset-right));
    bottom: 14px;
    bottom: calc(14px + env(safe-area-inset-bottom));
    gap: 10px;
    min-height: 58px;
    padding: 10px 14px 10px 12px;
  }

  .wechat-float-icon {
    width: 34px;
    height: 34px;
  }

  .wechat-float-copy strong {
    font-size: 0.92rem;
  }

  .wechat-float-copy small {
    font-size: 0.7rem;
  }

  .contact-actions .button {
    width: 100%;
  }

  .contact-panel {
    padding: 22px;
  }

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

  .contact-form {
    grid-template-columns: 1fr;
  }

  .field-group-wide {
    grid-column: auto;
  }

  .slider-panel,
  .stats-card,
  .service-card {
    padding: 22px;
  }

  .slides {
    min-height: 390px;
  }

  .slide-metrics,
  .slider-ui {
    grid-template-columns: 1fr;
  }

  .slider-ui {
    flex-direction: column;
    align-items: stretch;
  }

  .dots,
  .controls {
    justify-content: center;
  }

  .footer-links {
    flex-direction: column;
  }
}