:root {
  --bg: #05070a;
  --panel: rgba(13, 17, 22, 0.72);
  --panel-strong: rgba(16, 22, 28, 0.92);
  --line: rgba(210, 255, 70, 0.16);
  --text: #eef2f3;
  --muted: rgba(238, 242, 243, 0.68);
  --soft: rgba(238, 242, 243, 0.42);
  --accent: #c8ff17;
  --accent-deep: #76a800;
  --accent-glow: rgba(200, 255, 23, 0.28);
  --shadow: 0 32px 80px rgba(0, 0, 0, 0.45);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --width: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang TC", "Noto Sans TC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(111, 160, 0, 0.24), transparent 30%),
    linear-gradient(180deg, #080b10 0%, #030406 52%, #080d11 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.04), transparent 18%),
    radial-gradient(circle at 78% 20%, rgba(200, 255, 23, 0.08), transparent 22%);
  mix-blend-mode: screen;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 12px;
  width: 100%;
}

.page-shell {
  width: var(--width);
  margin: 0 auto;
  padding-bottom: 80px;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0 calc((100vw - var(--width)) / -2);
  background: rgba(5, 7, 10, 0.62);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  z-index: -1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.site-nav {
  display: inline-flex;
  gap: 24px;
  color: var(--soft);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  gap: 44px;
  align-items: center;
  padding: 48px 0 56px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.34em;
}

.hero h1,
.section h2,
.cta-banner h2 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(3rem, 7vw, 5.7rem);
}

.hero-text,
.section-heading p,
.cta-banner p,
.feature-card p,
.timeline-step p,
.faq-list p,
.pro-panel p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-text {
  max-width: 58ch;
  margin: 24px 0 0;
  font-size: 1.05rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #071008;
  background: linear-gradient(135deg, #e1ff7d 0%, #baf412 46%, #94d600 100%);
  box-shadow: 0 16px 34px rgba(148, 214, 0, 0.28);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.hero-points li,
.check-list li {
  position: relative;
  padding-left: 18px;
}

.hero-points li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: translateY(-50%);
}

.hero-visual {
  position: relative;
  min-height: 780px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.device-frame {
  position: relative;
  width: min(420px, 88vw);
  padding: 18px;
  border-radius: 46px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.device-frame::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  width: 28%;
  height: 26px;
  border-radius: 999px;
  transform: translateX(-50%);
  background: rgba(3, 4, 6, 0.92);
  z-index: 1;
}

.device-screenshot {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  border-radius: 30px;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
}

.orb-a {
  width: 240px;
  height: 240px;
  top: 84px;
  right: 8px;
  background: radial-gradient(circle, rgba(200, 255, 23, 0.36), transparent 68%);
}

.orb-b {
  width: 340px;
  height: 340px;
  bottom: 32px;
  left: 10px;
  background: radial-gradient(circle, rgba(60, 111, 0, 0.28), transparent 70%);
}

.metric-card {
  position: absolute;
  width: 240px;
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 11, 16, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.metric-card-top {
  top: 140px;
  left: 0;
}

.metric-card-bottom {
  right: 10px;
  bottom: 116px;
}

.metric-label,
.mini-label {
  display: block;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.stats-strip,
.feature-grid,
.pro-layout,
.faq-list {
  display: grid;
  gap: 18px;
}

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

.stats-strip article,
.feature-card,
.timeline-step,
.pro-panel,
.faq-list article,
.cta-banner {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.stats-strip article {
  padding: 24px;
  border-radius: 22px;
}

.stats-strip strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.stats-strip span {
  color: var(--muted);
  line-height: 1.6;
}

.section {
  padding: 108px 0 0;
}

.section-alt {
  position: relative;
}

.section-alt::before {
  content: "";
  position: absolute;
  inset: 70px -40px -40px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 72%);
  z-index: -1;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section h2,
.cta-banner h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  margin-bottom: 14px;
}

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

.feature-card {
  min-height: 240px;
  padding: 28px;
  border-radius: var(--radius-lg);
}

.feature-card-wide {
  grid-column: span 2;
  min-height: 280px;
  background:
    radial-gradient(circle at right, rgba(200, 255, 23, 0.11), transparent 36%),
    var(--panel);
}

.feature-kicker {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.feature-card h3,
.timeline-step h3,
.pro-panel h3,
.faq-list h3 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-step {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 22px;
  align-items: start;
  padding: 26px;
  border-radius: var(--radius-lg);
}

.timeline-index {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 22px;
  color: #091007;
  background: linear-gradient(145deg, #f0ffb6, #b5f315);
  font-size: 1.4rem;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(181, 243, 21, 0.22);
}

.pro-layout {
  grid-template-columns: 1.05fr 0.95fr;
}

.pro-panel {
  min-height: 280px;
  padding: 28px;
  border-radius: var(--radius-lg);
}

.pro-panel-highlight {
  background:
    linear-gradient(150deg, rgba(200, 255, 23, 0.16), rgba(5, 7, 10, 0.9) 56%),
    var(--panel-strong);
}

.check-list {
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
  display: grid;
  gap: 18px;
  color: var(--muted);
  line-height: 1.7;
}

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

.faq-list article {
  padding: 26px;
  border-radius: 22px;
}

.cta-banner {
  margin-top: 108px;
  padding: 40px;
  border-radius: 34px;
  text-align: center;
  background:
    radial-gradient(circle at center, rgba(200, 255, 23, 0.16), transparent 42%),
    rgba(13, 17, 22, 0.82);
}

.cta-banner p {
  max-width: 720px;
  margin: 0 auto 22px;
}

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

  .hero h1 {
    max-width: 13ch;
  }

  .hero-visual {
    min-height: 640px;
  }

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

  .feature-card-wide {
    grid-column: span 2;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100vw - 24px, 100%);
    padding-bottom: 56px;
  }

  .site-header {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
    padding: 16px 0 10px;
  }

  .brand {
    gap: 10px;
    font-size: 1rem;
  }

  .brand img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
  }

  .site-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(18px);
    font-size: 0.84rem;
  }

  .site-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
  }

  .hero {
    gap: 22px;
    padding: 18px 0 34px;
  }

  .hero-copy {
    text-align: center;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    padding: 8px 12px;
    border: 1px solid rgba(200, 255, 23, 0.16);
    border-radius: 999px;
    background: rgba(200, 255, 23, 0.06);
    font-size: 0.68rem;
    letter-spacing: 0.22em;
  }

  .hero h1 {
    max-width: 8.6ch;
    margin: 0 auto;
    font-size: clamp(2.45rem, 12.8vw, 3.75rem);
    line-height: 0.94;
    text-wrap: balance;
  }

  .hero-text {
    max-width: 29ch;
    margin: 16px auto 0;
    font-size: 0.96rem;
    line-height: 1.68;
    text-wrap: pretty;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px;
    margin-top: 22px;
  }

  .button {
    width: 100%;
    min-height: 54px;
  }

  .button-primary {
    box-shadow: 0 14px 28px rgba(148, 214, 0, 0.24);
  }

  .hero-points {
    display: grid;
    gap: 10px;
    margin: 18px 0 0;
  }

  .hero-points li {
    padding: 13px 15px 13px 34px;
    text-align: left;
    border: 1px solid rgba(200, 255, 23, 0.12);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
    font-size: 0.93rem;
    line-height: 1.5;
  }

  .hero-points li::before {
    left: 16px;
  }

  .hero-visual {
    min-height: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    align-items: end;
    padding: 10px 8px 0;
  }

  .orb-a {
    width: 180px;
    height: 180px;
    top: 24px;
    right: 4px;
  }

  .orb-b {
    width: 220px;
    height: 220px;
    bottom: -4px;
    left: 0;
  }

  .device-frame {
    grid-column: 1 / -1;
    width: min(68vw, 246px);
    margin: 0 auto 2px;
    padding: 11px;
    border-radius: 32px;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.03)),
      rgba(255, 255, 255, 0.04);
    box-shadow: 0 22px 48px rgba(0, 0, 0, 0.28);
  }

  .device-screenshot {
    border-radius: 22px;
  }

  .metric-card {
    position: static;
    width: 100%;
    min-height: 100%;
    margin-top: 0;
    padding: 13px 13px 15px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(11, 15, 20, 0.9), rgba(8, 11, 16, 0.82));
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.22);
  }

  .metric-label,
  .mini-label {
    font-size: 0.64rem;
    margin-bottom: 6px;
    letter-spacing: 0.18em;
  }

  .metric-card strong {
    display: block;
    font-size: 0.9rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
  }

  .stats-strip,
  .feature-grid,
  .pro-layout,
  .faq-list {
    grid-template-columns: 1fr;
  }

  .stats-strip {
    gap: 12px;
    margin-top: 4px;
  }

  .stats-strip article,
  .feature-card,
  .timeline-step,
  .pro-panel,
  .faq-list article {
    padding: 22px;
  }

  .stats-strip article,
  .feature-card,
  .timeline-step,
  .pro-panel,
  .faq-list article,
  .cta-banner {
    border-radius: 22px;
  }

  .stats-strip article {
    padding: 18px 18px 19px;
    background:
      linear-gradient(180deg, rgba(200, 255, 23, 0.07), rgba(255, 255, 255, 0.02) 42%),
      rgba(13, 17, 22, 0.78);
  }

  .stats-strip strong {
    margin-bottom: 6px;
    font-size: 1rem;
    letter-spacing: -0.02em;
  }

  .stats-strip span {
    font-size: 0.92rem;
    line-height: 1.55;
  }

  .section {
    padding: 68px 0 0;
  }

  .section-alt::before {
    inset: 38px -12px -10px;
    border-radius: 24px;
  }

  .section-heading {
    margin-bottom: 24px;
    text-align: center;
  }

  .section h2,
  .cta-banner h2 {
    font-size: clamp(1.9rem, 9vw, 2.7rem);
    margin-bottom: 10px;
  }

  .section-heading p,
  .cta-banner p {
    max-width: 34ch;
    margin-left: auto;
    margin-right: auto;
  }

  .feature-grid {
    gap: 14px;
  }

  .feature-card-wide {
    grid-column: auto;
    min-height: 0;
    background:
      radial-gradient(circle at top right, rgba(200, 255, 23, 0.12), transparent 34%),
      var(--panel);
  }

  .feature-card {
    min-height: 0;
    padding: 22px 20px;
  }

  .feature-kicker {
    margin-bottom: 12px;
    font-size: 0.82rem;
    letter-spacing: 0.16em;
  }

  .feature-card h3,
  .timeline-step h3,
  .pro-panel h3,
  .faq-list h3 {
    font-size: 1.22rem;
  }

  .feature-card p {
    margin-top: 12px;
    font-size: 0.95rem;
    line-height: 1.62;
  }

  .timeline {
    gap: 12px;
  }

  .timeline-step {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 22px 20px;
  }

  .timeline-index {
    width: 56px;
    height: 56px;
    border-radius: 18px;
  }

  .timeline-step p {
    margin-top: 10px;
    font-size: 0.95rem;
    line-height: 1.62;
  }

  .timeline-step > div:last-child,
  .pro-panel,
  .faq-list article,
  .cta-banner {
    text-wrap: pretty;
  }

  .pro-layout {
    gap: 14px;
  }

  .pro-panel {
    min-height: 0;
    padding: 22px 20px;
  }

  .pro-panel-highlight {
    background:
      linear-gradient(160deg, rgba(200, 255, 23, 0.18), rgba(5, 7, 10, 0.92) 52%),
      var(--panel-strong);
  }

  .check-list {
    gap: 14px;
    margin-top: 18px;
    font-size: 0.95rem;
  }

  .faq-list {
    gap: 14px;
  }

  .faq-list article {
    padding: 22px 20px;
  }

  .faq-list p {
    margin-top: 10px;
    font-size: 0.95rem;
    line-height: 1.62;
  }

  .cta-banner {
    margin-top: 76px;
    padding: 28px 20px;
    border-radius: 26px;
    background:
      radial-gradient(circle at center, rgba(200, 255, 23, 0.18), transparent 40%),
      linear-gradient(180deg, rgba(13, 17, 22, 0.9), rgba(8, 11, 16, 0.92));
  }

  .cta-banner .eyebrow {
    margin-bottom: 10px;
  }

  .cta-banner p {
    margin-bottom: 18px;
  }
}

@media (max-width: 480px) {
  .page-shell {
    width: min(100vw - 20px, 100%);
  }

  .site-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    font-size: 0.82rem;
  }

  .hero h1 {
    max-width: 8ch;
    font-size: clamp(2.2rem, 12.8vw, 3.2rem);
  }

  .hero-text,
  .section-heading p,
  .cta-banner p,
  .feature-card p,
  .timeline-step p,
  .faq-list p,
  .pro-panel p,
  .check-list {
    font-size: 0.95rem;
  }

  .hero-visual {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 10px 8px 0;
  }

  .device-frame {
    grid-column: 1 / -1;
    width: min(74vw, 228px);
  }

  .metric-card {
    min-height: auto;
    padding: 13px 12px 14px;
  }

  .metric-card strong {
    font-size: 0.9rem;
  }

  .stats-strip article,
  .feature-card,
  .timeline-step,
  .pro-panel,
  .faq-list article,
  .cta-banner {
    padding: 20px;
  }

  .timeline-step,
  .pro-panel,
  .faq-list article {
    padding: 20px 18px;
  }
}

@media (max-width: 430px) {
  .page-shell {
    width: min(100vw - 18px, 100%);
  }

  .site-header {
    gap: 10px;
  }

  .site-nav {
    gap: 7px;
    padding: 7px;
  }

  .site-nav a {
    min-height: 36px;
  }

  .hero {
    gap: 18px;
    padding-top: 14px;
  }

  .eyebrow {
    padding: 7px 11px;
    font-size: 0.64rem;
  }

  .hero h1 {
    max-width: 7.3ch;
    font-size: clamp(2rem, 11.6vw, 2.72rem);
  }

  .hero-text {
    max-width: 28ch;
    font-size: 0.92rem;
  }

  .section {
    padding-top: 62px;
  }

  .hero-actions {
    gap: 9px;
    margin-top: 20px;
  }

  .button {
    min-height: 52px;
  }

  .hero-points li {
    padding: 12px 14px 12px 32px;
    font-size: 0.9rem;
  }

  .hero-points li::before {
    left: 14px;
  }

  .hero-visual {
    gap: 8px;
    padding: 4px 4px 0;
  }

  .device-frame {
    width: min(70vw, 204px);
    border-radius: 28px;
  }

  .device-screenshot {
    border-radius: 20px;
  }

  .metric-card {
    padding: 11px 11px 12px;
    border-radius: 16px;
  }

  .metric-label,
  .mini-label {
    font-size: 0.58rem;
  }

  .metric-card strong {
    font-size: 0.8rem;
    line-height: 1.36;
  }

  .stats-strip article,
  .feature-card,
  .timeline-step,
  .pro-panel,
  .faq-list article,
  .cta-banner {
    padding: 18px;
  }

  .timeline-step,
  .pro-panel,
  .faq-list article {
    padding: 18px 17px;
  }

  .timeline {
    gap: 10px;
  }

  .stats-strip {
    gap: 10px;
  }

  .stats-strip article {
    padding: 16px 16px 17px;
  }

  .stats-strip strong {
    font-size: 0.96rem;
  }

  .stats-strip span,
  .feature-card p {
    font-size: 0.9rem;
  }

  .feature-grid {
    gap: 12px;
  }

  .feature-card {
    padding: 20px 18px;
  }

  .feature-kicker {
    margin-bottom: 10px;
    font-size: 0.76rem;
  }

  .feature-card h3,
  .timeline-step h3,
  .pro-panel h3,
  .faq-list h3 {
    font-size: 1.12rem;
  }

  .check-list,
  .timeline-step p,
  .faq-list p {
    font-size: 0.9rem;
  }
}

@media (max-width: 390px) {
  .site-nav {
    font-size: 0.78rem;
  }

  .hero h1 {
    max-width: 7ch;
    font-size: clamp(1.9rem, 11.2vw, 2.45rem);
  }

  .hero-text {
    max-width: 27ch;
    font-size: 0.9rem;
  }

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

  .device-frame {
    width: min(72vw, 196px);
  }

  .metric-card {
    padding: 12px 13px 13px;
  }

  .timeline-step,
  .pro-panel,
  .faq-list article {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (max-width: 375px) {
  .page-shell {
    width: min(100vw - 16px, 100%);
  }

  .hero h1 {
    max-width: 6.7ch;
    font-size: clamp(1.76rem, 10.7vw, 2.22rem);
  }

  .hero-text,
  .section-heading p,
  .cta-banner p,
  .feature-card p,
  .timeline-step p,
  .faq-list p,
  .pro-panel p,
  .check-list,
  .hero-points li,
  .stats-strip span {
    font-size: 0.88rem;
  }

  .cta-banner {
    margin-top: 68px;
    padding: 24px 18px;
  }

  .device-frame {
    width: min(72vw, 188px);
  }

  .feature-card h3,
  .timeline-step h3,
  .pro-panel h3,
  .faq-list h3 {
    font-size: 1.08rem;
  }
}