:root {
  --color-bg-900: #0a0e17;
  --color-bg-800: #111827;
  --color-bg-900-80: #0a0e17cc;
  --color-bg-800-50: #11182780;
  --color-border-600: #4b5563;
  --color-border-700: #374151;
  --color-border-800: #1f2937;
  --color-text: #f3f4f6;
  --color-text-strong: #ffffff;
  --color-text-soft: #d1d5db;
  --color-text-muted: #9ca3af;
  --color-text-faint: #6b7280;
  --color-tech-blue: #0ea5e9;
  --color-tech-cyan: #06b6d4;
  --color-tech-orange: #f97316;
  --color-green-500: #22c55e;
  --color-blue-400: #60a5fa;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  background-color: var(--color-bg-900);
  color: var(--color-text);
  line-height: 1.5;
  overflow-x: hidden;
}

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

svg {
  display: block;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-800);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-700);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-600);
}

.container {
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

.page {
  min-height: 100vh;
  background-color: var(--color-bg-900);
}

.tech-grid {
  background-image: linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-tech-blue), var(--color-tech-cyan), var(--color-tech-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.icon {
  flex: 0 0 auto;
}

.icon--xs {
  width: 1rem;
  height: 1rem;
}

.icon--sm {
  width: 1.25rem;
  height: 1.25rem;
}

.icon--md {
  width: 1.5rem;
  height: 1.5rem;
}

.icon--lg {
  width: 2rem;
  height: 2rem;
}

.icon--xl {
  width: 3rem;
  height: 3rem;
}

.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.btn-pulse {
  position: relative;
}

.btn-pulse::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: inherit;
  z-index: -1;
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.1);
    opacity: 0;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes pulse {
  50% {
    opacity: 0.5;
  }
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: rgba(10, 14, 23, 0.9);
  border-bottom: 1px solid var(--color-border-800);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand__logo {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  background-image: linear-gradient(to bottom right, var(--color-tech-blue), var(--color-tech-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-strong);
}

.brand__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-strong);
}

.brand__accent {
  color: var(--color-tech-blue);
}

.site-nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
  }
}

.site-nav__link {
  color: var(--color-text-soft);
  transition: color 0.15s ease;
}

.site-nav__link:hover {
  color: var(--color-text-strong);
}

.site-nav__cta {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  background-color: var(--color-tech-orange);
  color: var(--color-text-strong);
  font-weight: 500;
  transition: background-color 0.15s ease;
}

.site-nav__cta:hover {
  background-color: rgb(234 88 12);
}

.hero {
  position: relative;
  padding: 8rem 0 5rem;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero {
    padding: 12rem 0 8rem;
  }
}

.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  width: 24rem;
  height: 24rem;
  border-radius: 999px;
  filter: blur(64px);
  animation: pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.hero__glow--blue {
  top: 25%;
  left: 25%;
  background-color: rgba(14, 165, 233, 0.1);
}

.hero__glow--orange {
  bottom: 25%;
  right: 25%;
  background-color: rgba(249, 115, 22, 0.1);
  animation-delay: 1.5s;
}

.hero__content {
  position: relative;
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background-color: var(--color-bg-800);
  border: 1px solid var(--color-border-700);
  margin: 0 0 2rem;
}

.hero__badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background-color: var(--color-green-500);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.hero__badge-text {
  font-size: 0.875rem;
  color: var(--color-text-soft);
}

.hero__title {
  margin: 0 0 1.5rem;
  font-size: 2.25rem;
  line-height: 1.25;
  font-weight: 900;
  color: var(--color-text-strong);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: 3.75rem;
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: 4.5rem;
  }
}

.hero__lead {
  margin: 0 auto 2.5rem;
  max-width: 48rem;
  font-size: 1.125rem;
  line-height: 1.625;
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .hero__lead {
    font-size: 1.25rem;
  }
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 0 0 3rem;
}

@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 1.125rem;
  transition: background-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
  will-change: transform;
}

.btn--primary {
  color: var(--color-text-strong);
  background-image: linear-gradient(to right, var(--color-tech-blue), var(--color-tech-cyan));
}

.btn--primary:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1),
    0 0 30px rgba(59, 130, 246, 0.25);
}

.btn--secondary {
  color: var(--color-text-strong);
  background-color: var(--color-bg-800);
  border: 1px solid var(--color-border-600);
}

.btn--secondary:hover {
  background-color: var(--color-border-800);
}

.hero__highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  color: var(--color-text-muted);
}

.hero__highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero__highlight-icon {
  color: var(--color-tech-cyan);
}

.hero__highlight-text {
  font-size: 0.875rem;
}

.section {
  padding: 5rem 0;
}

.section--muted {
  background-color: var(--color-bg-800-50);
}

.section__header {
  text-align: center;
  margin: 0 0 4rem;
}

.section__title {
  margin: 0 0 1rem;
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-text-strong);
}

@media (min-width: 768px) {
  .section__title {
    font-size: 2.25rem;
  }
}

.section__subtitle {
  margin: 0;
  color: var(--color-text-muted);
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.service-card {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 2rem;
  background-color: var(--color-bg-900);
  border: 1px solid var(--color-border-800);
  overflow: hidden;
}

.service-card__flare {
  position: absolute;
  top: 0;
  right: 0;
  width: 8rem;
  height: 8rem;
  border-radius: 999px;
  opacity: 0.1;
  transform: translate(4rem, -4rem);
  transition: transform 0.3s ease;
}

.service-card:hover .service-card__flare {
  transform: translate(4rem, -4rem) scale(1.5);
}

.service-card__icon {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 1.5rem;
  color: var(--color-text-strong);
}

.service-card__title {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-strong);
}

.service-card__desc {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.625;
}

.service-card__more {
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  color: var(--color-tech-cyan);
  font-weight: 500;
  gap: 0.25rem;
}

.service-card--red .service-card__flare,
.service-card--red .service-card__icon {
  background-image: linear-gradient(to bottom right, #ef4444, #f97316);
}

.service-card--blue .service-card__flare,
.service-card--blue .service-card__icon {
  background-image: linear-gradient(to bottom right, #3b82f6, #06b6d4);
}

.service-card--purple .service-card__flare,
.service-card--purple .service-card__icon {
  background-image: linear-gradient(to bottom right, #a855f7, #ec4899);
}

.service-card--amber .service-card__flare,
.service-card--amber .service-card__icon {
  background-image: linear-gradient(to bottom right, #f59e0b, #eab308);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .about__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.about__title {
  margin: 0 0 1.5rem;
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-text-strong);
}

@media (min-width: 768px) {
  .about__title {
    font-size: 2.25rem;
  }
}

.about__lead {
  margin: 0 0 2rem;
  color: var(--color-text-muted);
  line-height: 1.625;
}

.about-feature-list {
  display: grid;
  gap: 1rem;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-800);
  border: 1px solid var(--color-border-800);
}

.about-feature__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(14, 165, 233, 0.1);
  color: var(--color-tech-blue);
}

.about-feature__text {
  color: rgb(229 231 235);
}

.about-panel {
  border-radius: var(--radius-xl);
  background-image: linear-gradient(to bottom right, rgba(14, 165, 233, 0.2), rgba(249, 115, 22, 0.2));
  border: 1px solid var(--color-border-700);
  padding: 2rem;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-panel__content {
  text-align: center;
}

.about-panel__badge {
  width: 6rem;
  height: 6rem;
  margin: 0 auto 1.5rem;
  border-radius: 999px;
  background-image: linear-gradient(to bottom right, var(--color-tech-blue), var(--color-tech-cyan));
  color: var(--color-text-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 6s ease-in-out infinite;
}

.about-panel__value {
  margin: 0 0 0.5rem;
  font-size: 3rem;
  line-height: 1;
  font-weight: 900;
  color: var(--color-text-strong);
}

.about-panel__label {
  color: var(--color-text-muted);
}

.about-panel__stats {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.about-panel-stat {
  padding: 1rem;
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-900-80);
}

.about-panel-stat__value {
  font-size: 1.5rem;
  line-height: 2rem;
  font-weight: 700;
}

.about-panel-stat__value--orange {
  color: var(--color-tech-orange);
}

.about-panel-stat__value--cyan {
  color: var(--color-tech-cyan);
}

.about-panel-stat__label {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.contact-card {
  border-radius: var(--radius-xl);
  padding: 2rem;
  background-color: var(--color-bg-900);
  border: 1px solid var(--color-border-800);
  text-align: center;
}

.contact-card__icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.5rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-strong);
}

.contact-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-strong);
}

.contact-card__value {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.contact-card__value--cyan {
  color: var(--color-tech-cyan);
}

.contact-card__value--green {
  color: var(--color-green-500);
}

.contact-card__value--blue {
  color: var(--color-blue-400);
}

.contact-card__desc {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.contact-card--phone .contact-card__icon {
  background-image: linear-gradient(to bottom right, var(--color-green-500), #059669);
}

.contact-card--wechat .contact-card__icon {
  background-image: linear-gradient(to bottom right, var(--color-green-500), #16a34a);
}

.contact-card--email .contact-card__icon {
  background-image: linear-gradient(to bottom right, #3b82f6, #4f46e5);
}

.contact-extra {
  margin-top: 3rem;
  border-radius: var(--radius-xl);
  padding: 2rem;
  background-color: var(--color-bg-900);
  border: 1px solid var(--color-border-800);
}

.contact-extra__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .contact-extra__inner {
    flex-direction: row;
    align-items: center;
  }
}

.contact-extra-item {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 1rem;
  width: 100%;
}

@media (min-width: 768px) {
  .contact-extra-item {
    align-items: center;
    width: auto;
    flex: 1;
  }
}

.contact-extra-item__icon {
  flex: 0 0 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-extra-item__icon--orange {
  background-color: rgba(249, 115, 22, 0.1);
  color: var(--color-tech-orange);
}

.contact-extra-item__icon--cyan {
  background-color: rgba(6, 182, 212, 0.1);
  color: var(--color-tech-cyan);
}

.contact-extra-item__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-strong);
}

.contact-extra-item__desc {
  margin: 0.25rem 0 0;
  color: var(--color-text-muted);
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border-800);
}

.site-footer__inner {
  text-align: center;
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.site-footer__logo {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  background-image: linear-gradient(to bottom right, var(--color-tech-blue), var(--color-tech-cyan));
  color: var(--color-text-strong);
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-footer__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-strong);
}

.site-footer__copyright {
  margin: 0;
  color: var(--color-text-faint);
  font-size: 0.875rem;
}