@font-face {
  font-family: "Alimama ShuHeiTi";
  src: url("https://acc-1258344699.cos.accelerate.myqcloud.com/web/website/assets/AlimamaShuHeiTi-Bold.woff2") format("woff2");
  font-display: swap;
  font-weight: 700;
}

@font-face {
  font-family: "Alimama FangYuanTi VF";
  src: url("https://acc-1258344699.cos.accelerate.myqcloud.com/web/website/assets/AlimamaFangYuanTiVF-Thin.woff2") format("woff2");
  font-display: swap;
  font-weight: 300 700;
}

:root {
  color-scheme: dark;
  --bg: #050508;
  --panel: #171821;
  --panel-2: #1f202b;
  --line: rgb(239 238 236 / 10%);
  --line-strong: rgb(50 230 185 / 38%);
  --text: #f5f4f1;
  --muted: rgb(245 244 241 / 68%);
  --soft: rgb(245 244 241 / 48%);
  --green: #32e6b9;
  --violet: #7d8fff;
  --gold: #f1c96a;
  --max: 1760px;
  --content: min(100% - 80px, var(--max));
  --title-font: "Alimama ShuHeiTi", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  --body-font: "Alimama FangYuanTi VF", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(180deg, #050508 0%, #0b0c12 42%, #050508 100%);
  color: var(--text);
  font-family: var(--body-font);
  letter-spacing: 0;
}

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

button,
input,
select {
  font: inherit;
}

button {
  appearance: none;
  cursor: pointer;
}

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

figure {
  margin: 0;
}

main {
  padding-bottom: clamp(104px, 10vw, 190px);
}

#capabilities,
#trust,
#private-deployment {
  scroll-margin-top: 112px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  height: 88px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 10px calc((100% - min(100% - 64px, var(--max))) / 2);
  border-bottom: 1px solid rgb(255 255 255 / 8%);
  background: linear-gradient(180deg, rgb(5 5 8 / 88%), rgb(5 5 8 / 58%));
  backdrop-filter: blur(18px);
}

.brand {
  justify-self: start;
  display: flex;
  align-items: center;
  min-width: 210px;
}

.brand img {
  width: auto;
  height: 72px;
  object-fit: contain;
}

.nav-action,
.button {
  transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.nav-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-family: var(--title-font);
  font-weight: 700;
}

.nav-action {
  justify-self: end;
  width: max-content;
  min-width: 104px;
  max-width: 100%;
  height: 40px;
  border: 1px solid var(--line-strong);
  padding: 0 18px;
  background: transparent;
  color: var(--green);
  font-size: 14px;
  white-space: nowrap;
}

.nav-action:hover,
.button-secondary:hover {
  background: rgb(50 230 185 / 10%);
}

.hero-section {
  padding: 118px 0 82px;
}

.hero-container {
  position: relative;
  width: var(--content);
  margin: 0 auto;
  min-height: clamp(520px, 52vw, 720px);
  display: flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(44px, 5vw, 82px);
  background: #0b1018;
  box-shadow: 0 28px 90px rgb(0 0 0 / 42%);
}

.hero-container::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background:
    linear-gradient(90deg, rgb(5 5 8 / 98%) 0%, rgb(5 5 8 / 86%) 34%, rgb(5 5 8 / 38%) 62%, rgb(5 5 8 / 8%) 100%),
    linear-gradient(180deg, rgb(5 5 8 / 34%) 0%, rgb(5 5 8 / 12%) 50%, rgb(5 5 8 / 62%) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  isolation: isolate;
  min-width: 0;
  max-width: min(640px, 54%);
  display: grid;
  gap: clamp(14px, 1.7vw, 22px);
}

.hero-content::before {
  position: absolute;
  inset: -18px -28px -20px -18px;
  z-index: -1;
  content: "";
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgb(50 230 185 / 14%), rgb(50 230 185 / 3%) 44%, transparent 74%),
    linear-gradient(180deg, rgb(125 143 255 / 10%), transparent 70%);
  filter: blur(18px) saturate(1);
  opacity: 0.38;
  pointer-events: none;
  animation: hero-fluorescent-panel 7.8s ease-in-out infinite;
}

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

.hero-content h1 {
  max-width: 640px;
  color: #f7f4ee;
  font-family: var(--title-font);
  font-size: clamp(48px, 4.9vw, 78px);
  line-height: 1.05;
  text-shadow:
    0 10px 36px rgb(0 0 0 / 52%),
    0 0 20px rgb(50 230 185 / 10%);
  animation: hero-fluorescent-title 7.8s ease-in-out infinite;
}

.hero-title-line {
  display: block;
}

.title-accent {
  color: var(--green);
  text-shadow: 0 0 28px rgb(50 230 185 / 34%);
  animation: hero-fluorescent-accent 6.6s ease-in-out infinite;
}

.hero-proposition {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.5vw, 22px);
  border-left: 3px solid var(--green);
  padding-left: clamp(14px, 1.3vw, 18px);
  font-family: var(--title-font);
  font-size: clamp(28px, 2.7vw, 44px);
  line-height: 1.08;
  animation: hero-fluorescent-proposition 7.8s ease-in-out infinite;
}

.hero-proposition span:first-child {
  color: var(--green);
  text-shadow: 0 0 18px rgb(50 230 185 / 24%);
  animation: hero-fluorescent-accent 6.6s ease-in-out 0.24s infinite;
}

.hero-proposition span:last-child {
  color: var(--gold);
  text-shadow: 0 0 18px rgb(241 201 106 / 20%);
  animation: hero-fluorescent-gold 7.1s ease-in-out 0.48s infinite;
}

.hero-proposition span + span {
  border-left: 1px solid rgb(245 244 241 / 20%);
  padding-left: clamp(14px, 1.5vw, 22px);
}

.hero-line {
  max-width: 580px;
  color: rgb(245 244 241 / 74%);
  font-size: clamp(18px, 1.35vw, 26px);
  font-weight: 650;
  line-height: 1.7;
  text-shadow: 0 0 16px rgb(50 230 185 / 10%);
  animation: hero-fluorescent-line 8.4s ease-in-out infinite;
}

@keyframes hero-fluorescent-panel {
  0%,
  100% {
    opacity: 0.34;
    filter: blur(18px) saturate(1);
  }

  42% {
    opacity: 0.56;
    filter: blur(18px) saturate(1.18);
  }

  52% {
    opacity: 0.42;
  }

  58% {
    opacity: 0.66;
    filter: blur(18px) saturate(1.28);
  }

  70% {
    opacity: 0.46;
  }
}

@keyframes hero-fluorescent-title {
  0%,
  100% {
    filter: brightness(1);
    text-shadow:
      0 10px 36px rgb(0 0 0 / 52%),
      0 0 20px rgb(50 230 185 / 10%);
  }

  43% {
    filter: brightness(1.05);
    text-shadow:
      0 10px 36px rgb(0 0 0 / 50%),
      0 0 24px rgb(210 246 255 / 18%),
      0 0 50px rgb(50 230 185 / 15%);
  }

  52% {
    filter: brightness(0.98);
    text-shadow:
      0 10px 36px rgb(0 0 0 / 54%),
      0 0 16px rgb(50 230 185 / 9%);
  }

  59% {
    filter: brightness(1.08);
    text-shadow:
      0 10px 36px rgb(0 0 0 / 48%),
      0 0 30px rgb(210 246 255 / 22%),
      0 0 58px rgb(50 230 185 / 19%);
  }
}

@keyframes hero-fluorescent-accent {
  0%,
  100% {
    color: var(--green);
    filter: brightness(1);
    text-shadow:
      0 0 18px rgb(50 230 185 / 28%),
      0 0 34px rgb(50 230 185 / 14%);
  }

  44% {
    color: #47f7d0;
    filter: brightness(1.12);
    text-shadow:
      0 0 10px rgb(50 230 185 / 52%),
      0 0 28px rgb(50 230 185 / 36%),
      0 0 56px rgb(50 230 185 / 22%);
  }

  53% {
    filter: brightness(0.96);
    text-shadow:
      0 0 14px rgb(50 230 185 / 22%),
      0 0 26px rgb(50 230 185 / 10%);
  }

  60% {
    color: #69ffdc;
    filter: brightness(1.16);
    text-shadow:
      0 0 12px rgb(50 230 185 / 58%),
      0 0 34px rgb(50 230 185 / 42%),
      0 0 68px rgb(50 230 185 / 26%);
  }
}

@keyframes hero-fluorescent-gold {
  0%,
  100% {
    filter: brightness(1);
    text-shadow:
      0 0 16px rgb(241 201 106 / 20%),
      0 0 34px rgb(241 201 106 / 8%);
  }

  46%,
  61% {
    filter: brightness(1.1);
    text-shadow:
      0 0 12px rgb(241 201 106 / 42%),
      0 0 30px rgb(241 201 106 / 24%),
      0 0 58px rgb(241 201 106 / 14%);
  }

  54% {
    filter: brightness(0.98);
  }
}

@keyframes hero-fluorescent-proposition {
  0%,
  100% {
    border-left-color: rgb(50 230 185 / 76%);
    box-shadow: -10px 0 24px rgb(50 230 185 / 0%);
  }

  44% {
    border-left-color: rgb(75 248 208 / 96%);
    box-shadow: -12px 0 30px rgb(50 230 185 / 12%);
  }

  54% {
    border-left-color: rgb(50 230 185 / 62%);
    box-shadow: -8px 0 18px rgb(50 230 185 / 4%);
  }

  61% {
    border-left-color: rgb(105 255 220 / 100%);
    box-shadow: -14px 0 36px rgb(50 230 185 / 16%);
  }
}

@keyframes hero-fluorescent-line {
  0%,
  100% {
    color: rgb(245 244 241 / 74%);
    text-shadow: 0 0 16px rgb(50 230 185 / 10%);
  }

  46%,
  60% {
    color: rgb(245 244 241 / 84%);
    text-shadow:
      0 0 18px rgb(210 246 255 / 16%),
      0 0 34px rgb(50 230 185 / 14%);
  }

  54% {
    color: rgb(245 244 241 / 70%);
  }
}

.button {
  min-width: 152px;
  height: 48px;
  border: 1px solid transparent;
  padding: 0 24px;
  font-size: 16px;
}

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

.button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.button-primary {
  color: #06100d;
  background: linear-gradient(90deg, var(--green), #63f0dc);
  box-shadow: 0 14px 34px rgb(50 230 185 / 18%);
}

.button-secondary {
  border-color: rgb(245 244 241 / 18%);
  color: var(--text);
}

body.modal-open {
  overflow: hidden;
}

.demo-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.demo-modal.is-open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.demo-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgb(0 0 0 / 72%);
  backdrop-filter: blur(14px);
}

.demo-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 560px);
  max-height: min(86vh, 760px);
  overflow: auto;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgb(50 230 185 / 10%), transparent 42%),
    #11131b;
  box-shadow: 0 28px 96px rgb(0 0 0 / 64%);
}

.demo-dialog__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgb(255 255 255 / 5%);
  color: var(--text);
  font-size: 24px;
  line-height: 1;
}

.demo-dialog__head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
  padding-right: 40px;
}

.demo-dialog__head span {
  color: var(--green);
  font-family: var(--title-font);
  font-size: 15px;
}

.demo-dialog__head h2 {
  font-family: var(--title-font);
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.1;
}

.demo-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.demo-form label {
  display: grid;
  gap: 8px;
  color: rgb(245 244 241 / 78%);
  font-size: 14px;
}

.demo-form input,
.demo-form select {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 12px;
  background: rgb(255 255 255 / 6%);
  color: var(--text);
  outline: none;
}

.demo-form select option {
  color: #0b0c12;
}

.demo-form input:focus,
.demo-form select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgb(50 230 185 / 14%);
}

.demo-form__wide,
.demo-form__message,
.demo-form__submit {
  grid-column: 1 / -1;
}

.demo-form__message {
  min-height: 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.demo-form__message[data-type="error"] {
  color: #ff8f8f;
}

.demo-form__message[data-type="success"] {
  color: var(--green);
}

.demo-form__message[data-type="pending"] {
  color: var(--gold);
}

.demo-form__submit {
  width: 100%;
  margin-top: 2px;
}

.hero-stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  border-radius: inherit;
}

.hero-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.spotlight-section {
  width: var(--content);
  margin: 8px auto 0;
  display: grid;
  grid-template-columns: minmax(360px, 0.72fr) minmax(0, 1.28fr);
  gap: 44px;
  align-items: center;
  padding: 70px 0 20px;
}

.spotlight-copy {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.spotlight-copy h2,
.section-head h2,
.trust-copy h2 {
  font-family: var(--title-font);
  font-size: clamp(34px, 4.2vw, 76px);
  line-height: 1.05;
}

.spotlight-copy > p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.prep-list {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.prep-list span {
  border-left: 2px solid rgb(50 230 185 / 48%);
  padding-left: 14px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.prep-list strong {
  margin-right: 10px;
  color: var(--text);
  font-family: var(--title-font);
}

.spotlight-media,
.trust-section figure,
.feature-card img {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b1018;
}

.spotlight-media img,
.trust-section figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.section {
  width: var(--content);
  margin: 0 auto;
  padding: 100px 0 0;
}

.section-head {
  display: grid;
  gap: 14px;
  margin-bottom: 34px;
  text-align: center;
  justify-items: center;
}

.section-lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.feature-card {
  display: grid;
  gap: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: var(--panel);
}

.feature-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.feature-card div {
  display: grid;
  gap: 8px;
  padding: 0 4px 4px;
}

.feature-card span {
  color: var(--green);
  font-family: var(--title-font);
  font-size: clamp(38px, 3.2vw, 54px);
  line-height: 0.95;
}

.feature-card h3 {
  font-family: var(--title-font);
  font-size: clamp(24px, 2vw, 34px);
  line-height: 1.2;
}

.feature-card p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.trust-section {
  width: var(--content);
  margin: 88px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.85fr);
  gap: 48px;
  align-items: center;
}

.private-section {
  grid-template-columns: minmax(330px, 0.85fr) minmax(0, 1.15fr);
}

.trust-copy {
  display: grid;
  gap: 22px;
}

.trust-body {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.trust-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.trust-list span {
  min-height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgb(255 255 255 / 5%);
  color: rgb(245 244 241 / 84%);
  font-family: var(--title-font);
  font-size: 15px;
}

.site-footer {
  width: var(--content);
  margin: 0 auto;
  padding: 0 0 34px;
  display: flex;
  justify-content: center;
  color: rgb(245 244 241 / 46%);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

.site-footer a {
  border-bottom: 1px solid transparent;
  transition: border-color 0.16s ease, color 0.16s ease, text-shadow 0.16s ease;
}

.site-footer a:hover {
  border-bottom-color: rgb(50 230 185 / 42%);
  color: rgb(245 244 241 / 76%);
  text-shadow: 0 0 18px rgb(50 230 185 / 14%);
}

@media (prefers-reduced-motion: reduce) {
  .hero-content::before,
  .hero-content h1,
  .title-accent,
  .hero-proposition,
  .hero-proposition span:first-child,
  .hero-proposition span:last-child,
  .hero-line {
    animation: none;
  }
}

@media (max-width: 1180px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  :root {
    --content: min(100% - 48px, var(--max));
  }

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

  .hero-content {
    max-width: min(620px, 76%);
    text-align: left;
    justify-items: start;
  }

  .spotlight-section {
    padding: 52px 0 0;
  }
}

@media (max-width: 860px) {
  :root {
    --content: min(100% - 28px, var(--max));
  }

  main {
    padding-bottom: 96px;
  }

  .site-header {
    height: 68px;
    gap: 12px;
    padding: 6px 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand img {
    height: 54px;
    max-width: min(210px, 100%);
  }

  #capabilities,
  #trust,
  #private-deployment {
    scroll-margin-top: 84px;
  }

  .nav-action {
    min-width: auto;
    height: 34px;
    padding: 0 12px;
    font-size: 12px;
  }

  .hero-section {
    padding: 92px 0 48px;
  }

  .hero-content {
    gap: 18px;
  }

  .hero-content h1 {
    font-size: clamp(42px, 10vw, 64px);
  }

  .hero-proposition {
    font-size: clamp(25px, 6vw, 38px);
  }

  .hero-line {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

  .spotlight-section {
    padding: 24px;
  }

  .section {
    padding-top: 64px;
  }

  .section-head {
    margin-bottom: 22px;
    text-align: left;
    justify-items: start;
  }

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

  .trust-section {
    margin-top: 64px;
    gap: 24px;
  }

  .trust-section figure {
    order: 2;
  }

}

@media (max-width: 640px) {
  .demo-modal {
    padding: 14px;
  }

  .demo-dialog {
    width: min(100%, 520px);
    max-height: calc(100vh - 28px);
    padding: 22px 18px 18px;
  }

  .demo-dialog__head {
    padding-right: 36px;
  }

  .demo-dialog__head h2 {
    font-size: 30px;
  }

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

  .hero-container {
    min-height: auto;
    display: grid;
    gap: 18px;
    overflow: visible;
    border: 0;
    padding: 0;
    background: transparent;
    box-shadow: none;
  }

  .hero-container::before {
    display: none;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
    justify-items: center;
  }

  .hero-proposition {
    border-left: 0;
    padding-left: 0;
  }

  .hero-stage {
    position: relative;
    inset: auto;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #0b1018;
    box-shadow: 0 28px 90px rgb(0 0 0 / 42%);
  }

  .hero-stage img {
    height: auto;
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 430px) {
  .brand img {
    height: 48px;
    max-width: 184px;
  }

  .nav-action {
    height: 32px;
    padding: 0 10px;
  }

  .hero-stage img,
  .spotlight-media img,
  .trust-section figure img {
    aspect-ratio: 4 / 3;
  }
}