.idr {
  --idr: #ff5a1f;
  --idr-ink: #1a1714;
  --idr-muted: rgba(26, 23, 20, 0.56);
  --idr-line: rgba(26, 23, 20, 0.08);
  background: #fff;
  color: var(--idr-ink);
}
.idr-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.idr-sec {
  padding: 72px 24px;
  background: #fff;
}
.idr-sec--gray { background: #f7f7f5; }
.idr-sec h2 {
  margin: 0 0 32px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-align: center;
  color: #111;
}
.idr .iphone { margin: 0; }
.idr .iphone-body {
  position: relative;
  width: 100%;
  max-width: 220px;
  margin: 0 auto;
  padding: 2.4%;
  border-radius: 22px;
  background: linear-gradient(160deg, #2b2d31 0%, #111214 55%, #0a0a0b 100%);
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.12), inset 0 0 0 4px rgba(0, 0, 0, 0.45);
  box-sizing: border-box;
}
.idr .iphone-screen {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  aspect-ratio: 1170 / 2532;
  background: #111;
}
.idr .iphone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.idr .iphone-island {
  position: absolute;
  top: 1.5%;
  left: 50%;
  z-index: 2;
  width: 24%;
  height: 2.7%;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #050505;
  pointer-events: none;
}
.idr .iphone-home {
  position: absolute;
  left: 50%;
  bottom: 1.2%;
  z-index: 2;
  width: 28%;
  height: 0.7%;
  transform: translateX(-50%);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  pointer-events: none;
}
.idr .iphone-side {
  position: absolute;
  width: 3px;
  background: #1a1b1e;
  border-radius: 2px;
}
.idr .iphone-side--silent { left: -3px; top: 18%; height: 4.5%; }
.idr .iphone-side--vol-up { left: -3px; top: 26%; height: 9%; }
.idr .iphone-side--vol-down { left: -3px; top: 37%; height: 9%; }
.idr .iphone-side--power { right: -3px; top: 28%; height: 12%; }
.idr .iphone figcaption {
  margin-top: 10px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
}

.idr-hero {
  position: relative;
  overflow: hidden;
  min-height: 620px;
}
.idr-hero-bg,
.idr-hero-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.idr-hero-bg img {
  object-fit: cover;
  object-position: 60% 40%;
  filter: blur(0.4px) saturate(0.92);
}
.idr-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.86) 42%, rgba(255, 255, 255, 0.28) 70%, rgba(255, 255, 255, 0.08) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 30%);
}
.idr-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 32px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 56px;
}
.idr-crumb {
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--idr-muted);
}
.idr-crumb a { color: inherit; }
.idr-crumb span { margin: 0 6px; }
.idr-hero-copy h1 {
  margin: 0 0 14px;
  font-size: clamp(30px, 3.6vw, 42px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.2;
  color: #111;
}
.idr-hero-copy h1 em {
  display: block;
  font-style: normal;
  color: var(--idr);
}
.idr-hero-sub {
  margin: 0 0 22px;
  max-width: 520px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--idr-muted);
}
.idr-values {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  max-width: 520px;
}
.idr-values li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  color: #333;
}
.idr-ico {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fff;
  color: var(--idr);
  box-shadow: 0 6px 16px rgba(26, 23, 20, 0.08);
}
.idr-ico svg { width: 22px; height: 22px; }
.idr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 26px;
  border-radius: 10px;
  background: var(--idr);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
}
.idr-btn:hover { color: #fff; filter: brightness(1.05); }
.idr-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  font-size: 13px;
  color: var(--idr-muted);
}
.idr-checks li {
  display: flex;
  align-items: center;
  gap: 6px;
}
.idr-checks li::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--idr) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2 5 8.6 9.5 3.6' fill='none' stroke='%23fff' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 10px no-repeat;
}
.idr-hero-phones {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
  filter: drop-shadow(0 18px 28px rgba(26, 23, 20, 0.18));
}
.idr-hero-phones .iphone-body { max-width: 168px; }
.idr-hero-phones figcaption { color: #111; }

.idr-problems {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.idr-problem {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--idr-line);
  border-radius: 16px;
  box-shadow: 0 8px 22px rgba(26, 23, 20, 0.04);
}
.idr-problem span {
  display: inline-block;
  margin: 18px 18px 0;
  color: var(--idr);
  font-size: 13px;
  font-weight: 800;
}
.idr-problem h3 {
  margin: 6px 18px 8px;
  font-size: 20px;
  font-weight: 800;
}
.idr-problem p {
  margin: 0 18px 14px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--idr-muted);
}
.idr-problem img {
  display: block;
  width: 100%;
  height: 168px;
  object-fit: cover;
}

.idr-path {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
}
.idr-path li {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 160px;
  text-align: center;
}
.idr-path li:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 20px;
  right: -10px;
  color: #d0d0d0;
  font-size: 20px;
}
.idr-path i {
  display: flex;
  width: 64px;
  height: 64px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fff;
  color: var(--idr);
  box-shadow: 0 8px 20px rgba(26, 23, 20, 0.06);
}
.idr-path svg { width: 28px; height: 28px; }
.idr-path strong { font-size: 15px; }

.idr-plays {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}
.idr-plays article {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.idr-plays h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 800;
}
.idr-plays p {
  margin: 0 0 12px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--idr-muted);
}
.idr-plays .iphone-body { max-width: 148px; }
.idr-plays a {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--idr);
}

.idr-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.idr-tabs button {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--idr-line);
  border-radius: 999px;
  background: #fff;
  color: #333;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
}
.idr-tabs button.is-on {
  background: var(--idr);
  border-color: var(--idr);
  color: #fff;
}
.idr-ref {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 260px;
  gap: 28px;
  align-items: center;
  padding: 24px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(26, 23, 20, 0.05);
}
.idr-ref[hidden] { display: none !important; }
.idr-ref .iphone-body { max-width: 168px; }
.idr-ref dl { margin: 0; }
.idr-ref dl > div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--idr-line);
  font-size: 14px;
}
.idr-ref dt { color: var(--idr-muted); }
.idr-ref dd { margin: 0; font-weight: 650; }
.idr-ref aside h3 {
  margin: 0 0 12px;
  font-size: 16px;
  color: var(--idr);
}
.idr-ref aside ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--idr-muted);
}

.idr-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.idr-steps li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.idr-steps span {
  margin-bottom: 10px;
  color: var(--idr);
  font-size: 13px;
  font-weight: 800;
}
.idr-steps img {
  width: 100%;
  max-width: 168px;
  aspect-ratio: 1170 / 2532;
  object-fit: cover;
  object-position: top;
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(26, 23, 20, 0.08);
  background: #eee;
}
.idr-steps strong { margin-top: 12px; font-size: 14px; }

.idr-views {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
.idr-views .iphone-body { max-width: 176px; }

.idr-wecom {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.idr-wecom article {
  padding: 22px 22px 0;
  background: #f7f7f5;
  border-radius: 18px;
  overflow: hidden;
}
.idr-wecom h3 { margin: 0 0 8px; font-size: 18px; }
.idr-wecom p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--idr-muted);
}
.idr-wecom img {
  display: block;
  width: 70%;
  max-width: 220px;
  margin: 0 auto;
  border-radius: 16px 16px 0 0;
}

.idr-scenes {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.idr-scenes article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: center;
  padding: 22px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 22px rgba(26, 23, 20, 0.04);
}
.idr-scenes span {
  color: var(--idr);
  font-size: 13px;
  font-weight: 800;
}
.idr-scenes h3 { margin: 6px 0 8px; font-size: 20px; }
.idr-scenes p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--idr-muted);
}
.idr-scenes ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  font-weight: 700;
}
.idr-scenes ol li { color: #333; }
.idr-scenes ol li::before {
  content: counter(sc) ". ";
  color: var(--idr);
}
.idr-scenes ol { counter-reset: sc; }
.idr-scenes ol li { counter-increment: sc; }
.idr-scenes img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
}

.idr-faq-wrap { max-width: 760px; }
.idr-faq-wrap h2 { text-align: left; }
.idr-faq details {
  border-bottom: 1px solid var(--idr-line);
}
.idr-faq summary {
  padding: 16px 0;
  font-size: 16px;
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}
.idr-faq summary::-webkit-details-marker { display: none; }
.idr-faq summary::after {
  content: "+";
  float: right;
  color: var(--idr);
  font-weight: 500;
}
.idr-faq details[open] summary::after { content: "–"; }
.idr-faq p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--idr-muted);
}
.idr-more {
  margin: 28px 0 0;
  text-align: center;
}
.idr-more a { font-weight: 700; color: var(--idr); }

@media (max-width: 1080px) {
  .idr-hero-inner { grid-template-columns: 1fr; }
  .idr-hero-phones { max-width: 420px; }
  .idr-plays { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .idr-ref { grid-template-columns: 160px 1fr; }
  .idr-ref aside { grid-column: 1 / -1; }
  .idr-steps, .idr-views { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .idr-wecom { grid-template-columns: 1fr; }
  .idr-scenes article { grid-template-columns: 1fr; }
  .idr-path li:not(:last-child)::after { display: none; }
}
@media (max-width: 720px) {
  .idr-sec { padding: 48px 16px; }
  .idr-values { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .idr-problems, .idr-plays, .idr-steps, .idr-views { grid-template-columns: 1fr 1fr; }
  .idr-ref { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .idr-problems { grid-template-columns: 1fr; }
}