/* v1: 科技感完整版 - 方案C */

:root {
  /* 科技感配色 */
  --color-bg: #0a0e27;
  --color-bg-light: #0f172a;
  --color-surface: #1a1f3a;
  --color-surface-alt: #151a2e;
  --color-border: rgba(0, 212, 255, 0.2);
  --color-border-glow: rgba(0, 212, 255, 0.6);
  --color-text: #e5e7eb;
  --color-text-sub: #9ca3af;
  --color-muted: #6b7280;
  --color-primary: #00d4ff;
  --color-primary-dark: #00a8cc;
  --color-accent: #00ffc8;
  --color-accent-purple: #7c3aed;
  --color-glow-blue: rgba(0, 212, 255, 0.5);
  --color-glow-green: rgba(0, 255, 200, 0.4);
  --color-glow-purple: rgba(124, 58, 237, 0.4);
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.4);
  --shadow-glow-strong: 0 0 50px rgba(0, 212, 255, 0.6);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 999px;
  --header-height: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
    "Noto Sans JP", sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

button {
  font: inherit;
  cursor: pointer;
}

/* Loading Progress Bar */
.loading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  z-index: 9999;
  transition: width 0.3s ease;
  box-shadow: 0 0 10px var(--color-glow-blue);
}

/* Container */
.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 16px;
  position: relative;
  z-index: 1;
}

/* Sections */
.section {
  padding: 80px 0;
  position: relative;
}

.section-hero {
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 100px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(
      circle at 20% 30%,
      rgba(0, 212, 255, 0.15),
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(124, 58, 237, 0.12),
      transparent 50%
    ),
    linear-gradient(135deg, #0a0e27 0%, #0f172a 50%, #1a1f3a 100%);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.section-services,
.section-usecases,
.section-works,
.section-news {
  background-color: var(--color-bg-light);
  position: relative;
}

.section-why,
.section-flow,
.section-pricing,
.section-company {
  background-color: var(--color-bg);
  position: relative;
}

/* Grid Background */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  pointer-events: none;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

/* Particle Canvas */
.particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Scanline Effect */
.scanline {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-primary),
    transparent
  );
  opacity: 0.6;
  animation: scanline 3s linear infinite;
  pointer-events: none;
  z-index: 2;
}

@keyframes scanline {
  0% {
    transform: translateY(0);
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translateY(100vh);
    opacity: 0.6;
  }
}

/* Section Headers */
.section-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  border-radius: 2px;
}

.section-text {
  margin: 0;
  color: var(--color-text-sub);
  font-size: 15px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  z-index: 1;
}

.section-footer {
  margin-top: 40px;
  text-align: center;
}

.u-hide-sp {
  display: inline;
}

@media (max-width: 767px) {
  .section {
    padding: 60px 0;
  }

  .section-hero {
    min-height: auto;
    padding-bottom: 60px;
  }

  .section-title {
    font-size: 26px;
  }

  .u-hide-sp {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  opacity: 0;
  transition: opacity 0.3s;
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-color: var(--color-primary);
  color: #0a0e27;
  box-shadow: 0 10px 30px var(--color-glow-blue),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(0);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 15px 40px var(--color-glow-blue),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-color: var(--color-accent);
}

.btn-outline {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--color-border-glow);
  color: var(--color-primary);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--color-primary);
  box-shadow: 0 0 20px var(--color-glow-blue);
  transform: translateY(-2px);
  color: var(--color-accent);
}

.btn-text {
  background: none;
  border-color: transparent;
  color: var(--color-primary);
  padding-inline: 4px;
}

.btn-text:hover {
  color: var(--color-accent);
  text-shadow: 0 0 10px var(--color-glow-green);
}

/* Header */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(10, 14, 39, 0.85);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: transform 0.3s;
}

.header-logo:hover {
  transform: scale(1.05);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-purple));
  color: #0a0e27;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 0 20px var(--color-glow-blue);
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% {
    box-shadow: 0 0 20px var(--color-glow-blue);
  }
  50% {
    box-shadow: 0 0 30px var(--color-glow-blue), 0 0 40px var(--color-glow-purple);
  }
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-sub);
  flex-wrap: nowrap;
}

.lang-btn {
  border: none;
  background: none;
  padding: 4px 8px;
  cursor: pointer;
  color: inherit;
  border-radius: 4px;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.lang-btn:hover {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.1);
}

.lang-btn.is-active {
  color: var(--color-primary);
  font-weight: 600;
  text-shadow: 0 0 8px var(--color-glow-blue);
}

.lang-sep {
  opacity: 0.4;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: nowrap;
}

.nav-link {
  font-size: 14px;
  color: var(--color-text-sub);
  padding-block: 6px;
  position: relative;
  transition: color 0.3s;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.3s;
  box-shadow: 0 0 8px var(--color-glow-blue);
}

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

.nav-link:hover::after,
.nav-link.is-current::after {
  width: 100%;
}

.nav-link.is-current {
  color: var(--color-primary);
}

.nav-contact {
  margin-left: 8px;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: rgba(0, 212, 255, 0.1);
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  transition: all 0.3s;
}

.nav-toggle:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--color-primary);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--color-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 4px var(--color-glow-blue);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 959px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset-inline: 0;
    top: var(--header-height);
    bottom: 0;
    background: rgba(10, 14, 39, 0.98);
    border-top: 1px solid var(--color-border);
    padding: 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

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

  .nav-link {
    padding: 12px 8px;
    border-radius: 8px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link.is-current,
  .nav-link:hover {
    background: rgba(0, 212, 255, 0.15);
    color: var(--color-primary);
  }

  .nav-contact {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .lang-switch {
    display: none;
  }
}

/* Hero */
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-left {
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  text-shadow: 0 0 10px var(--color-glow-blue);
}

.hero-title {
  margin: 0 0 20px;
  font-size: 42px;
  line-height: 1.3;
  font-weight: 700;
  position: relative;
}

.title-line {
  display: block;
  animation: titleReveal 0.8s ease-out forwards;
  opacity: 0;
}

.title-line:nth-child(1) {
  animation-delay: 0.2s;
}

.title-line:nth-child(2) {
  animation-delay: 0.4s;
}

@keyframes titleReveal {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.title-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(
    circle,
    var(--color-glow-blue) 0%,
    transparent 70%
  );
  opacity: 0.3;
  filter: blur(30px);
  z-index: -1;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.1);
  }
}

.hero-lead {
  margin: 0 0 28px;
  font-size: 16px;
  color: var(--color-text-sub);
  line-height: 1.7;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
  animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--color-text-sub);
  animation: fadeInUp 1s ease-out 1s both;
}

.hero-points li {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: rgba(0, 212, 255, 0.08);
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}

.hero-points li:hover {
  border-color: var(--color-primary);
  background: rgba(0, 212, 255, 0.15);
  box-shadow: 0 0 15px var(--color-glow-blue);
  transform: translateY(-2px);
}

.hero-right {
  position: relative;
  animation: fadeInRight 1s ease-out 0.4s both;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-mock {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: rgba(26, 31, 58, 0.6);
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.3s;
}

.hero-mock::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent-purple),
    var(--color-accent)
  );
  border-radius: var(--radius-xl);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
  filter: blur(20px);
}

.hero-mock:hover {
  transform: translateY(-5px) rotateX(2deg);
}

.hero-mock:hover::before {
  opacity: 0.6;
}

.hero-mock-video {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-bg);
  position: relative;
}

.hero-mock-video-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(0, 212, 255, 0.1);
  font-size: 11px;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
}

.hero-mock-video-body {
  padding: 16px;
  position: relative;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-mock-screen {
  border-radius: var(--radius-md);
  border: 2px dashed var(--color-border);
  padding: 32px 16px;
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.05),
    rgba(124, 58, 237, 0.05)
  );
  width: 100%;
  position: relative;
  overflow: hidden;
}

.hero-mock-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(0, 212, 255, 0.1) 50%,
    transparent 70%
  );
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.hero-mock-dh {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

.hero-mock-dh-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #0a0e27;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 0 20px var(--color-glow-blue);
  flex-shrink: 0;
}

.hero-mock-dh-text p {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
}

.hero-mock-dh-text p:first-child {
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-primary);
}

@media (max-width: 959px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }
}

@media (max-width: 767px) {
  .section-hero {
    padding-top: calc(var(--header-height) + 20px);
    padding-bottom: 50px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-lead {
    font-size: 14px;
  }
}

/* Grid System */
.grid {
  display: grid;
  gap: 24px;
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

@media (max-width: 1023px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .grid-4,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Cards */
.card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: rgba(26, 31, 58, 0.6);
  padding: 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transform-style: preserve-3d;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.1),
    rgba(124, 58, 237, 0.1)
  );
  opacity: 0;
  transition: opacity 0.4s;
  z-index: 0;
}

.card:hover {
  transform: translateY(-8px) rotateX(2deg) rotateY(-2deg);
  border-color: var(--color-border-glow);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5),
    0 0 30px var(--color-glow-blue);
}

.card:hover::before {
  opacity: 1;
}

.card > * {
  position: relative;
  z-index: 1;
}

.card-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 0 20px var(--color-glow-blue);
  transition: all 0.3s;
}

.card:hover .card-icon-wrapper {
  transform: rotate(5deg) scale(1.1);
  box-shadow: 0 0 30px var(--color-glow-blue);
}

.card-icon {
  width: 24px;
  height: 24px;
  stroke: #0a0e27;
  stroke-width: 2.5;
}

.card-title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
}

.card-text {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.6;
}

.card-list {
  margin-top: 14px;
  padding-left: 18px;
  font-size: 13px;
  color: var(--color-text-sub);
}

.card-list li {
  list-style: disc;
  margin-bottom: 6px;
}

.card-reason {
  background: rgba(15, 23, 42, 0.6);
}

.card-usecase {
  min-height: 110px;
}

.card-work .card-title {
  margin-bottom: 8px;
}

.card-price {
  margin: 10px 0 12px;
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary);
  text-shadow: 0 0 10px var(--color-glow-blue);
}

.card-sub {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-sub);
}

.card-note {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--color-muted);
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.card-pricing.is-featured {
  border-color: var(--color-primary);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5),
    0 0 40px var(--color-glow-blue);
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.15),
    rgba(26, 31, 58, 0.8)
  );
}

.card-pricing.is-featured::before {
  opacity: 0.3;
}

/* Flow */
.flow-list {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: rgba(26, 31, 58, 0.6);
  padding: 24px 24px 12px;
  backdrop-filter: blur(10px);
  position: relative;
}

.flow-list::before {
  content: "";
  position: absolute;
  left: 40px;
  top: 60px;
  bottom: 60px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--color-primary),
    var(--color-accent),
    transparent
  );
  opacity: 0.3;
}

.flow-item {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 20px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  position: relative;
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.6s;
}

.flow-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.flow-step {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.1);
  position: relative;
  box-shadow: 0 0 20px var(--color-glow-blue);
  transition: all 0.3s;
}

.flow-item:hover .flow-step {
  transform: scale(1.1);
  border-color: var(--color-primary);
  box-shadow: 0 0 30px var(--color-glow-blue);
}

.flow-number {
  position: relative;
  z-index: 2;
}

.flow-pulse {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  opacity: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.flow-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.flow-text {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.6;
}

@media (max-width: 640px) {
  .flow-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .flow-step {
    justify-self: flex-start;
  }

  .flow-list::before {
    display: none;
  }
}

/* Company */
.company-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px;
  align-items: flex-start;
}

.company-text {
  margin: 12px 0 20px;
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.7;
}

.company-list {
  margin: 0;
  font-size: 14px;
}

.company-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  column-gap: 20px;
  padding-block: 8px;
  border-bottom: 1px dashed var(--color-border);
}

.company-row:last-child {
  border-bottom: none;
}

.company-row dt {
  font-weight: 600;
  color: var(--color-text);
}

.company-row dd {
  margin: 0;
  color: var(--color-text-sub);
}

.company-link {
  margin-top: 20px;
}

.company-cta {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.15),
    rgba(124, 58, 237, 0.15)
  );
  padding: 28px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4),
    0 0 40px var(--color-glow-blue);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.company-cta::before {
  content: "";
  position: absolute;
  inset: -50%;
  background: radial-gradient(
    circle,
    var(--color-glow-blue) 0%,
    transparent 70%
  );
  opacity: 0.3;
  animation: rotate 10s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.company-cta > * {
  position: relative;
  z-index: 1;
}

.company-cta-title {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.company-cta-text {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.6;
}

.company-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 959px) {
  .company-inner {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .company-cta-actions {
    flex-direction: column;
  }

  .company-cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Footer */
.site-footer {
  padding: 32px 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, #050811 100%);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-sub);
  font-size: 13px;
}

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

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.footer-copy {
  margin: 0;
  color: var(--color-muted);
}

.footer-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-end;
}

.footer-nav-list a {
  color: var(--color-text-sub);
  transition: color 0.3s;
}

.footer-nav-list a:hover {
  color: var(--color-primary);
  text-shadow: 0 0 8px var(--color-glow-blue);
}

@media (max-width: 767px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-nav-list {
    justify-content: flex-start;
  }
}

/* AOS (Animate On Scroll) - 简化版 */
[data-aos] {
  opacity: 0;
  transition: opacity 0.6s, transform 0.6s;
}

[data-aos].visible {
  opacity: 1;
}

[data-aos="fade-up"] {
  transform: translateY(30px);
}

[data-aos="fade-up"].visible {
  transform: translateY(0);
}

[data-aos="fade-right"] {
  transform: translateX(-30px);
}

[data-aos="fade-right"].visible {
  transform: translateX(0);
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border: 1px solid var(--color-primary);
  color: #0a0e27;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3),
    0 0 20px var(--color-glow-blue);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4),
    0 0 30px var(--color-glow-blue);
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
}

.back-to-top:active {
  transform: translateY(-2px) scale(1.02);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

@media (max-width: 767px) {
  .back-to-top {
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
  }
  
  .back-to-top svg {
    width: 18px;
    height: 18px;
  }
}