:root {
  --blue: #0061fd;
  --blue-deep: #0046c7;
  --ink: #102033;
  --muted: #5c6b7a;
  --paper: #f3f6fb;
  --card: #ffffff;
  --line: #e3ebf6;
  --green: #1c9a46;
  --yellow: #fdb803;
  --shadow: 0 10px 30px rgba(16, 48, 110, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "SF Pro Text", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  background:
    radial-gradient(820px 380px at 0% -8%, rgba(0, 97, 253, 0.12), transparent 62%),
    radial-gradient(640px 320px at 100% 0%, rgba(253, 184, 3, 0.18), transparent 58%),
    var(--paper);
  color: var(--ink);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--blue-deep); }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  background: #eef3fb;
  padding: 0.1em 0.4em;
  border-radius: 6px;
}

.page { max-width: 860px; margin: 0 auto; padding: 20px 16px 56px; }

.top {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 18px 18px 14px;
  box-shadow: var(--shadow);
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}
.brand .mark {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  flex: 0 0 58px;
  box-shadow: 0 8px 18px rgba(0, 97, 253, 0.28);
}
.brand-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.brand .word { height: 36px; width: auto; }
.brand .sub {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
}

nav {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
nav a {
  flex: 1;
  min-width: 72px;
  text-align: center;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 10px 8px;
  border-radius: 999px;
  background: #f4f7fb;
}
nav a.is-active {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 6px 16px rgba(0, 97, 253, 0.28);
}

.hero {
  margin-top: 14px;
  display: grid;
  grid-template-areas: "copy icon";
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 28px 26px;
  border-radius: 24px;
  background: linear-gradient(145deg, #2b82ff 0%, #0061fd 46%, #003ec4 100%);
  color: #fff;
  box-shadow: 0 16px 40px rgba(0, 70, 199, 0.28);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -40px;
  top: -70px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(253, 184, 3, 0.45), transparent 68%);
  pointer-events: none;
}
.hero-copy { grid-area: copy; position: relative; z-index: 1; }
.hero-icon {
  grid-area: icon;
  width: 148px;
  height: 148px;
  border-radius: 36px;
  position: relative;
  z-index: 1;
  box-shadow: 0 16px 36px rgba(0, 20, 70, 0.28);
}
.kicker {
  margin: 0 0 8px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #ffe08a;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(1.85rem, 4.4vw, 2.55rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 800;
}
.hero p.lead {
  margin: 0 0 20px;
  font-size: 1.02rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 36em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 800;
  font-size: 0.92rem;
  padding: 12px 18px;
  border-radius: 999px;
}
.btn-primary { background: var(--yellow); color: #1c1400; }
.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 14px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 16px 16px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--blue);
}
.card:nth-child(2) { border-top-color: var(--green); }
.card:nth-child(3) { border-top-color: var(--yellow); }
.card h2 { margin: 0 0 6px; font-size: 1.02rem; color: var(--ink); }
.card p { margin: 0; font-size: 0.92rem; color: var(--muted); }

.strip {
  margin-top: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 16px;
  align-items: center;
}
.strip .app-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  flex: 0 0 72px;
  box-shadow: 0 8px 18px rgba(0, 97, 253, 0.22);
}
.strip h2 { margin: 0 0 6px; font-size: 1.05rem; color: var(--ink); }
.strip p { margin: 0; font-size: 0.95rem; }
.strip.plain { display: block; }

.panel {
  margin-top: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px 22px 8px;
  box-shadow: var(--shadow);
}
.section-kicker {
  margin: 0 0 6px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}
.panel h2 {
  margin: 0 0 16px;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.panel > p { margin: 0 0 12px; color: var(--ink); }

.steps { list-style: none; margin: 0; padding: 0; }
.steps li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 0 0 16px;
}
.steps span {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.steps h3, .detail h3 {
  margin: 2px 0 4px;
  font-size: 1.02rem;
  color: var(--ink);
}
.steps p, .detail p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-bottom: 16px;
}
.trust-grid { grid-template-columns: repeat(3, 1fr); }
.info-card {
  background: #f7f9fd;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 14px 14px;
}
.info-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--blue);
  margin-bottom: 10px;
}
.info-icon svg { width: 20px; height: 20px; display: block; }
.info-card h3 { margin: 0 0 4px; font-size: 1rem; color: var(--ink); }
.info-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.trust-grid .info-card:nth-child(2) .info-icon { color: var(--green); }
.trust-grid .info-card:nth-child(3) .info-icon { color: #c4840a; }

.support {
  margin-top: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px 18px 16px;
  box-shadow: var(--shadow);
}
.support h2 { margin: 0 0 4px; font-size: 1.15rem; color: var(--ink); }
.support > p { margin: 0 0 14px; color: var(--muted); font-size: 0.92rem; }
.support-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.support-row a {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  text-decoration: none;
  background: #f7f9fd;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  color: var(--ink);
}
.support-row svg { width: 22px; height: 22px; color: var(--blue); margin-bottom: 6px; overflow: visible; }
.support-row a:nth-child(2) svg { color: var(--green); }
.support-row span { font-weight: 800; font-size: 0.92rem; }
.support-row small { color: var(--muted); font-size: 0.75rem; }

.detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 22px;
  padding-bottom: 14px;
}
@media (max-width: 640px) {
  .detail, .info-grid, .trust-grid, .support-row { grid-template-columns: 1fr; }
  .panel { padding: 18px 16px 6px; }
}

.banner {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: 20px;
  background: linear-gradient(145deg, #2b82ff 0%, #0061fd 55%, #003ec4 100%);
  color: #fff;
  box-shadow: 0 14px 32px rgba(0, 70, 199, 0.24);
}
.banner-icon {
  width: 76px;
  height: 76px;
  border-radius: 20px;
  flex: 0 0 76px;
  box-shadow: 0 10px 22px rgba(0, 20, 70, 0.25);
}
.banner p { margin: 0; }
.banner-kicker {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ffe08a;
  margin-bottom: 4px;
}
.banner-line { font-size: 1.05rem; font-weight: 700; }

article {
  background: var(--card);
  margin-top: 14px;
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
article .kicker { color: var(--green); }
h1 { font-size: 1.7rem; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.02em; }
.updated { color: var(--muted); font-size: 0.92rem; margin: 0 0 22px; }
h2 { font-size: 1.08rem; margin: 24px 0 8px; color: var(--blue-deep); }
p, li { font-size: 0.98rem; }
article p { margin: 0 0 12px; }
ul { margin: 0 0 14px; padding-left: 1.15rem; }
li { margin: 0 0 8px; }
li strong { color: var(--ink); }

footer.site {
  margin-top: 22px;
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.8rem;
}
footer.site .foot-word { height: 28px; width: auto; margin-bottom: 8px; }
footer.site p { margin: 0 0 6px; }

.panel h2, .support h2 { color: var(--ink); margin-top: 0; }

.orbit {
  --radius: 168px;
  position: relative;
  width: min(100%, 560px);
  height: 560px;
  margin: 8px auto 10px;
}
.orbit-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(var(--radius) * 2);
  height: calc(var(--radius) * 2);
  margin: calc(var(--radius) * -1) 0 0 calc(var(--radius) * -1);
  border-radius: 50%;
  border: 3px solid #d5e3f8;
  box-sizing: border-box;
}
.orbit-ring::before {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  left: -9px;
  top: 50%;
  margin-top: -8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px #fff, 0 0 14px rgba(28, 154, 70, 0.5);
  transform-origin: calc(var(--radius) + 6px) 8px;
  animation: orbit-spin 36s linear infinite;
}
.orbit-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 168px;
  height: 168px;
  margin: -84px 0 0 -84px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 10px 28px rgba(0, 70, 199, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 18px;
  z-index: 1;
}
.orbit-core img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  flex: 0 0 auto;
}
.orbit-readout {
  position: relative;
  width: 100%;
  height: 44px;
  margin-top: 8px;
}
.orbit-caption {
  position: absolute;
  inset: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
  opacity: 0;
  animation: orbit-caption 36s linear infinite;
  animation-delay: calc(var(--i) * 6s);
}
.orbit-steps {
  position: absolute;
  inset: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  z-index: 2;
}
.orbit-steps li {
  --angle: calc(-90deg + var(--i) * 60deg);
  position: absolute;
  left: 50%;
  top: 50%;
  width: 92px;
  margin: 0;
  text-align: center;
  list-style: none;
  transform: translate(-50%, -50%) rotate(var(--angle)) translateY(calc(var(--radius) * -1)) rotate(calc(var(--angle) * -1));
}
.orbit-steps li::marker { content: ""; }
.orbit-steps span {
  width: 36px;
  height: 36px;
  margin: 0 auto 4px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px #fff;
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}
.orbit-steps strong, .orbit-steps em { position: absolute; left: 0; right: 0; }
.orbit-steps strong { top: 42px; display: block; font-size: 0.84rem; color: var(--ink); }
.orbit-steps em {
  top: 60px;
  display: block;
  font-style: normal;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue);
}
@keyframes orbit-spin {
  0%, 12% { transform: rotate(0deg); }
  16.67%, 28.67% { transform: rotate(60deg); }
  33.33%, 45.33% { transform: rotate(120deg); }
  50%, 62% { transform: rotate(180deg); }
  66.67%, 78.67% { transform: rotate(240deg); }
  83.33%, 95.33% { transform: rotate(300deg); }
  100% { transform: rotate(360deg); }
}
@keyframes orbit-caption {
  0%, 12% { opacity: 1; }
  16.67%, 100% { opacity: 0; }
}
.orbit-steps li span {
  animation: orbit-badge 36s linear infinite;
  animation-delay: calc(var(--i) * 6s);
}
@keyframes orbit-badge {
  0%, 12% {
    transform: translateX(-50%) scale(1.16);
    background: var(--green);
    box-shadow: 0 0 0 6px #fff, 0 0 16px rgba(28, 154, 70, 0.45);
  }
  16.67%, 100% {
    transform: translateX(-50%) scale(1);
    background: var(--blue);
    box-shadow: 0 0 0 4px #fff;
  }
}
@media (max-width: 640px) {
  .orbit { --radius: 118px; height: 420px; }
  .orbit-core { width: 132px; height: 132px; margin: -66px 0 0 -66px; padding: 12px; }
  .orbit-core { width: 148px; height: 148px; margin: -74px 0 0 -74px; }
  .orbit-core img { width: 44px; height: 44px; }
  .orbit-caption { font-size: 0.7rem; }
  .orbit-steps li { width: 72px; }
  .orbit-steps strong { font-size: 0.72rem; }
}
@media (prefers-reduced-motion: reduce) {
  .orbit-ring, .orbit-caption, .orbit-steps li, .orbit-steps li span { animation: none; }
  .orbit-caption { opacity: 0; }
  .orbit-caption[style*="--i: 0"] { opacity: 1; }
}

@media (max-width: 640px) {
  .hero {
    grid-template-areas: "icon" "copy";
    grid-template-columns: 1fr;
    padding: 22px 16px;
  }
  .hero-icon { width: 96px; height: 96px; border-radius: 24px; }
  .strip { align-items: flex-start; }
  article { padding: 22px 16px; }
  h1 { font-size: 1.45rem; }
  .brand .word { height: 28px; }
}