:root {
  --orange: #ff7a1a;
  --orange-soft: #ffb36d;
  --gold: #ecd08a;
  --ink: #f7f4eb;
  --muted: rgba(247, 244, 235, 0.66);
  --muted-strong: rgba(247, 244, 235, 0.82);
  --glass: rgba(255, 255, 255, 0.08);
  --glass-strong: rgba(255, 255, 255, 0.13);
  --glass-line: rgba(255, 255, 255, 0.18);
  --dark: #05070d;
  --deep: #07111c;
  --shadow: 0 34px 90px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
  background: var(--dark);
}

#overview,
#intro,
#features,
#experience,
#scenes,
#contact {
  scroll-margin-top: 112px;
}

body {
  position: relative;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    radial-gradient(circle at 12% 8%, rgba(255, 122, 26, 0.22), transparent 28%),
    radial-gradient(circle at 86% 12%, rgba(236, 208, 138, 0.14), transparent 30%),
    linear-gradient(180deg, #05070d 0%, #09131f 46%, #05070d 100%);
  background-size: 72px 72px, 72px 72px, auto, auto, auto;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  content: "";
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.08), transparent 26%),
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.08), transparent 34%);
  pointer-events: none;
}

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

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

.ambient {
  position: fixed;
  z-index: -2;
  width: 44vw;
  max-width: 680px;
  aspect-ratio: 1;
  border-radius: 999px;
  filter: blur(36px);
  pointer-events: none;
}

.ambient-a {
  top: 8vh;
  right: -14vw;
  background: radial-gradient(circle, rgba(255, 122, 26, 0.22), transparent 62%);
}

.ambient-b {
  bottom: 18vh;
  left: -16vw;
  background: radial-gradient(circle, rgba(54, 153, 190, 0.2), transparent 64%);
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1240px, calc(100% - 40px));
  height: 68px;
  margin: 18px auto 0;
  padding: 0 16px 0 22px;
  background: rgba(6, 11, 18, 0.58);
  border: 1px solid var(--glass-line);
  border-radius: 18px;
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(24px) saturate(128%);
}

.site-header .nav {
  gap: clamp(14px, 1.8vw, 24px);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  white-space: nowrap;
}

.brand strong {
  color: var(--orange);
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  font-weight: 700;
}

.nav a {
  position: relative;
  padding: 24px 0;
}

.nav a.active,
.nav a:hover {
  color: #fff;
}

.nav a.active::after {
  position: absolute;
  right: 0;
  bottom: 15px;
  left: 0;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--orange), var(--gold));
  border-radius: 999px;
  box-shadow: 0 0 18px rgba(255, 122, 26, 0.72);
}

.login,
.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  white-space: nowrap;
}

.login,
.primary-btn {
  color: #100b05;
  background: linear-gradient(135deg, #ff8a22, #ffd28a);
  box-shadow: 0 16px 44px rgba(255, 122, 26, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.secondary-btn {
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--glass-line);
  backdrop-filter: blur(18px);
}

section {
  position: relative;
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 104px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(520px, 1.22fr);
  gap: clamp(36px, 5vw, 82px);
  align-items: center;
  min-height: 690px;
  padding-top: clamp(48px, 6vw, 82px);
  padding-bottom: 58px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
  max-width: 560px;
}

.section-label {
  margin: 0 0 16px;
  color: var(--orange-soft);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  color: #fff;
  font-size: clamp(56px, 6.3vw, 94px);
  line-height: 0.96;
  font-weight: 950;
  text-shadow: 0 28px 86px rgba(0, 0, 0, 0.56);
}

.hero-lead {
  max-width: 500px;
  margin-bottom: 34px;
  color: var(--muted-strong);
  font-size: 19px;
  line-height: 1.95;
  font-weight: 650;
  overflow-wrap: anywhere;
}

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

.hero-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 34px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(22px) saturate(122%);
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
}

.hero-visual::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent 32%),
    radial-gradient(circle at 74% 22%, rgba(255, 210, 138, 0.32), transparent 28%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  transform: scale(1.04);
}

.orbit-note {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(3, 8, 15, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  backdrop-filter: blur(16px);
}

.note-a {
  top: 26px;
  left: 26px;
}

.note-b {
  top: 74px;
  right: 28px;
}

.visual-caption {
  position: absolute;
  right: 28px;
  bottom: 28px;
  left: 28px;
  z-index: 2;
  display: grid;
  gap: 8px;
  max-width: 620px;
  padding: 24px 26px;
  color: #fff;
  background: rgba(5, 9, 15, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 24px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(22px) saturate(130%);
}

.visual-caption strong {
  color: var(--gold);
  font-size: 22px;
}

.visual-caption span {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.72;
}

.section-heading {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 42px;
  align-items: start;
  margin-bottom: 38px;
}

.intro > .section-heading,
.features > .section-heading,
.scenes > .section-heading {
  width: min(1680px, calc(100vw - 80px));
  margin-left: 50%;
  transform: translateX(-50%);
}

.intro > .section-heading h2,
.features > .section-heading h2,
.scenes > .section-heading h2 {
  font-size: 54px;
  white-space: nowrap;
}

.section-heading h2,
.experience-copy h2,
.cta h2 {
  margin-bottom: 0;
  color: #fff;
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1.13;
  font-weight: 950;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(560px, 1.28fr);
  gap: 24px;
  align-items: stretch;
}

.intro-text,
.feature-list article,
.scene-card,
.video-card {
  background: var(--glass);
  border: 1px solid var(--glass-line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 26px 76px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(22px) saturate(132%);
}

.intro-text {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 34px;
  border-radius: 28px;
}

.intro-text h3 {
  margin-bottom: 18px;
  color: #fff;
  font-size: 30px;
}

.intro-text p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.95;
}

.intro-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 24px;
}

.intro-metrics span {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
  color: rgba(255, 255, 255, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14px;
  font-weight: 700;
}

.intro-metrics strong {
  color: var(--gold);
  font-size: 24px;
  font-weight: 950;
}

.preview-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.preview-frame::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 56%, rgba(0, 0, 0, 0.32));
  pointer-events: none;
}

.preview-frame img {
  width: 100%;
  height: 100%;
  min-height: 472px;
  object-fit: cover;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.feature-list article {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 286px;
  padding: 24px;
  border-radius: 24px;
}

.feature-list article:nth-child(1),
.feature-list article:nth-child(4) {
  grid-column: span 2;
}

.feature-list article:nth-child(2),
.feature-list article:nth-child(3),
.feature-list article:nth-child(5),
.feature-list article:nth-child(6) {
  grid-column: span 2;
}

.feature-list span,
.scene-card span {
  display: block;
  margin-bottom: 34px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 950;
}

.feature-list h3,
.scene-card h3 {
  margin-bottom: 12px;
  color: #fff;
  font-size: 22px;
  line-height: 1.3;
}

.feature-list p,
.scene-card p,
.experience-copy p,
.cta p {
  color: var(--muted);
  line-height: 1.85;
}

.experience {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  align-items: stretch;
}

.experience-copy {
  max-width: 960px;
}

.experience::before {
  position: absolute;
  inset: 44px -42px;
  z-index: -1;
  content: "";
  background: linear-gradient(135deg, rgba(255, 122, 26, 0.1), rgba(255, 255, 255, 0.035));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 36px;
}

.video-card {
  overflow: hidden;
  border-radius: 30px;
}

.video-card video {
  width: 100%;
  aspect-ratio: 16 / 8.1;
  object-fit: cover;
  background: #000;
}

.scenario-showcase {
  position: relative;
  overflow: hidden;
  padding: 38px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 36px;
  background:
    radial-gradient(circle at 8% 16%, rgba(76, 107, 255, 0.18), transparent 22%),
    radial-gradient(circle at 86% 86%, rgba(255, 122, 26, 0.16), transparent 24%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.13), 0 34px 90px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(20px);
}

.scenario-showcase::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.86), transparent 94%);
  pointer-events: none;
}

.scenario-copy {
  position: relative;
  z-index: 1;
  width: min(560px, 100%);
  margin: 0 0 28px auto;
}

.scenario-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 15px;
  line-height: 1.9;
}

.scenario-board {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.app-scenario {
  position: relative;
  display: grid;
  grid-template-columns: minmax(190px, 0.74fr) minmax(250px, 1fr);
  align-items: end;
  min-height: 390px;
  padding: 18px;
}

.app-scenario:nth-child(even) {
  transform: translateY(58px);
}

.app-scenario-large {
  min-height: 460px;
}

.app-scenario-media {
  position: relative;
  z-index: 1;
  height: 100%;
  min-height: 340px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  background: #07111c;
  box-shadow: 0 30px 72px rgba(0, 0, 0, 0.36);
}

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

.app-scenario-media figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  left: 14px;
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(5, 8, 14, 0.64);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  backdrop-filter: blur(18px) saturate(130%);
}

.app-scenario-media strong {
  color: #fff;
  font-size: 17px;
}

.app-scenario-media span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 11px;
  font-weight: 850;
}

.app-scenario-panel {
  position: relative;
  z-index: 2;
  margin-left: -54px;
  padding: 24px 26px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 26px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16), 0 26px 66px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(24px) saturate(134%);
}

.app-scenario-panel span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-scenario-panel h3 {
  margin-bottom: 12px;
  color: #fff;
  font-size: 25px;
  line-height: 1.25;
}

.app-scenario-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.78;
}

.cta {
  display: grid;
  justify-items: start;
  min-height: 430px;
  overflow: hidden;
  padding: 72px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(4, 7, 12, 0.88), rgba(4, 7, 12, 0.42)),
    url("./素材文件/e510869026775cdf8a6fe9fd1bc5aa64.png") center / cover;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.cta p {
  max-width: 720px;
  margin: 20px 0 30px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 18px;
}

.footer {
  display: flex;
  justify-content: space-between;
  width: min(1240px, calc(100% - 40px));
  gap: 24px;
  margin: 0 auto;
  padding: 36px 0 52px;
  color: rgba(255, 255, 255, 0.56);
}

.footer strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
}

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

@media (max-width: 1400px) and (min-width: 1081px) {
  .intro > .section-heading h2,
  .features > .section-heading h2,
  .scenes > .section-heading h2 {
    font-size: 42px;
  }
}

@media (max-width: 1080px) {
  .nav {
    display: none;
  }

  .hero,
  .intro-grid,
  .experience {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    transform: none;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .intro > .section-heading,
  .features > .section-heading,
  .scenes > .section-heading {
    width: 100%;
    margin-left: 0;
    transform: none;
  }

  .intro > .section-heading h2,
  .features > .section-heading h2,
  .scenes > .section-heading h2 {
    font-size: 44px;
    white-space: normal;
  }

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

  .feature-list article,
  .feature-list article:nth-child(1),
  .feature-list article:nth-child(4),
  .feature-list article:nth-child(2),
  .feature-list article:nth-child(3),
  .feature-list article:nth-child(5),
  .feature-list article:nth-child(6) {
    grid-column: auto;
  }

  .scenario-board {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .app-scenario,
  .app-scenario-large {
    min-height: 390px;
  }

  .app-scenario:nth-child(even) {
    transform: none;
  }
}

@media (max-width: 680px) {
  body,
  main {
    width: 100vw;
    max-width: 100vw;
  }

  .site-header {
    top: 12px;
    width: min(320px, calc(100vw - 28px));
    height: 58px;
    margin-right: auto;
    margin-top: 12px;
    margin-left: 14px;
  }

  .login {
    display: none;
  }

  section {
    width: min(320px, calc(100vw - 36px));
    max-width: min(320px, calc(100vw - 36px));
    margin-right: auto;
    margin-left: 18px;
    padding: 62px 0;
    overflow: hidden;
  }

  .hero {
    padding-top: 54px;
  }

  h1 {
    font-size: 40px;
    line-height: 1.08;
  }

  .intro > .section-heading h2,
  .features > .section-heading h2,
  .scenes > .section-heading h2 {
    font-size: 34px;
  }

  .hero-lead {
    font-size: 16px;
    line-height: 1.86;
    word-break: break-all;
  }

  .hero-actions {
    display: grid;
    width: 100%;
  }

  .primary-btn,
  .secondary-btn {
    width: 100%;
  }

  .hero-visual,
  .hero-visual img {
    min-height: 360px;
    border-radius: 24px;
  }

  .orbit-note {
    display: none;
  }

  .visual-caption {
    right: 14px;
    bottom: 14px;
    left: 14px;
    padding: 16px;
    border-radius: 18px;
  }

  .visual-caption strong {
    font-size: 19px;
  }

  .visual-caption span {
    font-size: 14px;
    line-height: 1.65;
    word-break: break-all;
  }

  .visual-caption span {
    overflow-wrap: anywhere;
  }

  .intro-text {
    padding: 24px;
  }

  .preview-frame img {
    min-height: 300px;
  }

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

  .feature-list article {
    min-height: auto;
  }

  .scenario-showcase {
    padding: 14px;
    border-radius: 28px;
  }

  .scenario-copy {
    margin-bottom: 18px;
  }

  .scenario-copy p {
    font-size: 13px;
    line-height: 1.75;
  }

  .scenario-board {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .app-scenario,
  .app-scenario-large {
    display: grid;
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 0;
  }

  .app-scenario:nth-child(even) {
    transform: none;
  }

  .app-scenario-media {
    min-height: 330px;
    border-radius: 24px;
  }

  .app-scenario-panel {
    margin: -34px 12px 0;
    padding: 20px;
    border-radius: 22px;
  }

  .app-scenario-panel h3 {
    font-size: 21px;
  }

  .app-scenario-panel p {
    font-size: 13px;
  }

  .experience::before {
    inset: 28px -12px;
  }

  .cta {
    min-height: auto;
    padding: 34px 24px;
    border-radius: 26px;
  }

  .footer {
    display: grid;
    width: min(320px, calc(100vw - 36px));
    margin-right: auto;
    margin-left: 18px;
  }
}