:root {
  --bg: #f7f1e8;
  --surface: #fffdf8;
  --surface-soft: #f4eadf;
  --text: #181614;
  --muted: #72685d;
  --line: #ded3c4;
  --accent: #b4532a;
  --accent-deep: #7f3419;
  --shadow: 0 18px 38px rgba(54, 33, 18, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(180, 83, 42, 0.08), transparent 28%),
    linear-gradient(180deg, #f9f3ea 0%, var(--bg) 22%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.75;
}

.insta-body,
body:has(.insta-page) {
  background: #ffffff;
}

a {
  color: var(--accent);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

.page {
  width: min(100%, 960px);
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.insta-page {
  width: 100%;
  max-width: none;
  min-height: 100vh;
  padding: 0;
  background: #ffffff;
}

.insta-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 56px 0;
}

.mobile-shared-header {
  display: none;
}

.mobile-shared-header__brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
}

.mobile-shared-header__brand img {
  display: block;
  width: 36px;
  height: auto;
}

.mobile-shared-header__menu {
  position: relative;
  display: inline-flex;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  justify-self: end;
}

.mobile-shared-header__menu::before,
.mobile-shared-header__menu::after,
.mobile-shared-header__menu {
  box-sizing: border-box;
}

.mobile-shared-header__menu::before,
.mobile-shared-header__menu::after,
.mobile-shared-header__menu span {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  height: 3px;
  border-radius: 999px;
  background: #2b2f33;
}

.mobile-shared-header__menu::before {
  top: 11px;
}

.mobile-shared-header__menu::after {
  bottom: 12px;
}

.mobile-shared-header__menu {
  background:
    linear-gradient(#2b2f33, #2b2f33) center/24px 3px no-repeat,
    transparent;
}

.insta-logo {
  position: relative;
  display: block;
  width: 96px;
  height: 96px;
  border-radius: 28px;
  background: linear-gradient(210deg, #7b2cff 0%, #e62c85 45%, #ff6a00 75%, #ffd54a 100%);
  box-shadow: 0 10px 26px rgba(191, 70, 99, 0.18);
}

.insta-logo-ring,
.insta-logo-core,
.insta-logo-dot {
  position: absolute;
  display: block;
  background: #fff;
}

.insta-logo-ring {
  inset: 16px;
  border: 7px solid #fff;
  border-radius: 24px;
  background: transparent;
}

.insta-logo-core {
  width: 30px;
  height: 30px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 7px solid #fff;
  border-radius: 50%;
  background: transparent;
}

.insta-logo-dot {
  width: 12px;
  height: 12px;
  right: 24px;
  top: 22px;
  border-radius: 50%;
}

.insta-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.insta-nav-link {
  color: #7b7b83;
  font-size: 0.95rem;
}

.insta-hero {
  max-width: 1320px;
  margin: 16px auto 0;
  padding: 10px 20px 0;
  text-align: center;
}

.insta-title {
  margin: 0;
  font-size: clamp(1.2rem, 2.64vw, 2.64rem);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.gradient-text {
  background: linear-gradient(90deg, #ff6a00 0%, #ff2e7a 48%, #8a38ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.insta-subtitle {
  max-width: 720px;
  margin: 18px auto 0;
  color: #7a7c85;
  font-size: 1.05rem;
  line-height: 1.7;
}

.phone-scene {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 0;
  min-height: 700px;
  padding: 44px 20px 56px;
}

.phone-card {
  position: relative;
  display: block;
  color: inherit;
}

.phone-card-left {
  z-index: 1;
  margin-right: -30px;
  transform: translateY(34px) rotate(-7deg);
}

.phone-card-center {
  z-index: 3;
}

.phone-card-right {
  z-index: 2;
  margin-left: -34px;
  transform: translateY(28px) rotate(7deg);
}

.phone-screen {
  position: relative;
  width: 280px;
  height: 500px;
  border-radius: 36px;
  overflow: hidden;
  box-shadow: 0 26px 70px rgba(37, 28, 48, 0.16);
}

.phone-screen-warm {
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), transparent 18%),
    linear-gradient(145deg, #173d5a 0%, #1b8578 34%, #f6719e 72%, #ffd56b 100%);
}

.phone-screen-center {
  width: 330px;
  height: 590px;
  background:
    radial-gradient(circle at 50% 16%, rgba(255, 255, 255, 0.75), transparent 26%),
    linear-gradient(180deg, #efe8de 0%, #ddd2c6 20%, #f6f2eb 45%, #a26d49 100%);
}

.phone-screen-cool {
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), transparent 18%),
    linear-gradient(145deg, #ece4db 0%, #d8d2cc 42%, #b0a195 100%);
}

.phone-top-bar {
  position: absolute;
  top: 18px;
  left: 50%;
  width: 130px;
  height: 5px;
  border-radius: 999px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.92);
}

.qr-sticker {
  position: absolute;
  left: 50%;
  top: 108px;
  width: 170px;
  padding: 10px;
  border-radius: 24px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 36px rgba(25, 24, 36, 0.16);
}

.qr-sticker img {
  display: block;
  width: 100%;
}

.qr-sticker-android {
  top: 188px;
  width: 156px;
}

.phone-caption {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 28px;
  color: #ffffff;
}

.phone-caption strong,
.phone-caption span {
  display: block;
}

.phone-caption strong {
  font-size: 1.5rem;
  line-height: 1.15;
}

.phone-caption span {
  margin-top: 6px;
  font-size: 0.9rem;
  opacity: 0.88;
}

.phone-caption.large {
  color: #ffffff;
  bottom: 64px;
}

.phone-caption.large strong {
  font-size: 2rem;
}

.bubble-note {
  position: absolute;
  top: 54px;
  left: -24px;
  padding: 12px 18px;
  border-radius: 999px;
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(32, 22, 28, 0.1);
  font-size: 0.95rem;
  font-weight: 600;
  color: #49313f;
}

.scene-people {
  position: absolute;
  inset: 112px 32px 114px;
}

.person {
  position: absolute;
  border-radius: 999px 999px 24px 24px;
}

.person-back {
  width: 148px;
  height: 250px;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  background:
    radial-gradient(circle at 50% 22%, #3a281f 0 20%, transparent 21%),
    radial-gradient(circle at 50% 18%, #1f1a1a 0 24%, transparent 25%),
    radial-gradient(circle at 50% 52%, #6990d8 0 34%, transparent 35%),
    linear-gradient(180deg, transparent 0 26%, #6d91d1 27% 58%, #d9d0c5 59% 100%);
}

.person-front {
  width: 188px;
  height: 276px;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  background:
    radial-gradient(circle at 50% 18%, #2a2019 0 18%, transparent 19%),
    radial-gradient(circle at 50% 34%, #d5a484 0 20%, transparent 21%),
    linear-gradient(180deg, transparent 0 25%, #ffffff 26% 48%, #8a553f 49% 100%);
}

.bottom-actions {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bottom-actions span {
  display: block;
  width: 130px;
  height: 26px;
  border: 4px solid rgba(255, 255, 255, 0.92);
  border-radius: 999px;
}

.bottom-actions span.small {
  width: 28px;
  height: 28px;
  border-radius: 999px;
}

.reaction-heart {
  position: absolute;
  left: -18px;
  bottom: 104px;
  width: 64px;
  height: 64px;
  background: linear-gradient(145deg, #ff7c00 0%, #ff1f8f 56%, #8c28ff 100%);
  transform: rotate(-12deg);
  clip-path: path("M32 58 C12 45 0 33 0 18 C0 8 8 0 18 0 C24 0 29 3 32 8 C35 3 40 0 46 0 C56 0 64 8 64 18 C64 33 52 45 32 58 Z");
  box-shadow: 0 14px 24px rgba(255, 42, 123, 0.22);
}

.green-badge {
  position: absolute;
  right: -18px;
  top: 118px;
  padding: 10px 18px;
  border-radius: 999px;
  background: #28c44c;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: 0 12px 24px rgba(40, 196, 76, 0.24);
}

.policy-badge {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 92px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.policy-badge a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: #4f4340;
  font-size: 0.88rem;
  font-weight: 600;
}

.insta-footer {
  border-top: 1px solid #e8e8ec;
  padding: 26px 24px 40px;
}

.footer-links,
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 24px;
}

.footer-links a,
.footer-meta span {
  color: #8a8d97;
  font-size: 0.94rem;
}

.footer-meta {
  margin-top: 16px;
}

.chaino-link-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 24% 18%, rgba(255, 46, 122, 0.10), transparent 28%),
    radial-gradient(circle at 82% 12%, rgba(138, 56, 255, 0.10), transparent 26%),
    #ffffff;
}

.chaino-link-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 28px 18px;
}

.chaino-link-card {
  width: min(100%, 520px);
  padding: 38px 30px 34px;
  border: 1px solid #ededf2;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 24px 70px rgba(36, 32, 46, 0.10);
  text-align: center;
}

.chaino-link-logo {
  display: block;
  width: 86px;
  height: 86px;
  margin: 0 auto 18px;
  border-radius: 24px;
}

.chaino-link-kicker {
  margin: 0 0 10px;
  color: #ff2f63;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.chaino-link-card h1 {
  margin: 0;
  color: #171820;
  font-size: 2rem;
  line-height: 1.2;
}

.chaino-link-card p:not(.chaino-link-kicker) {
  margin: 14px auto 0;
  max-width: 420px;
  color: #717480;
  font-size: 1rem;
  line-height: 1.75;
}

.chaino-link-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 26px;
}

.chaino-link-primary,
.chaino-link-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 138px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 700;
}

.chaino-link-primary {
  color: #ffffff;
  background: #ff2f63;
}

.chaino-link-secondary {
  color: #30323a;
  background: #f2f3f6;
}

.home-page {
  width: min(100%, 1520px);
  padding: 0;
}

.tabs {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  gap: 10px;
  padding: 10px;
  margin-bottom: 16px;
  background: rgba(249, 243, 234, 0.84);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(222, 211, 196, 0.9);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.home-tabs {
  margin-bottom: 28px;
}

.home-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 146px;
  padding: 0 40px;
  background: #fbfaf8;
  border-bottom: 1px solid rgba(24, 22, 20, 0.08);
}

.brand-mark {
  color: var(--text);
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(2rem, 2.4vw, 3.1rem);
  letter-spacing: -0.03em;
}

.home-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.home-nav-link {
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 600;
}

.home-nav-link.active {
  color: var(--text);
}

.menu-button {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 38px;
  height: 2px;
  margin-left: auto;
  background: #1f1b18;
}

.tab {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 14px;
  border-radius: 14px;
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.tab:hover {
  color: var(--accent-deep);
  background: rgba(180, 83, 42, 0.08);
}

.tab.active {
  color: #ffffff;
  background: linear-gradient(135deg, #c46a3c 0%, #9b4623 100%);
}

.hero,
.section {
  background: var(--surface);
  border: 1px solid rgba(222, 211, 196, 0.9);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 24px 20px;
  margin-bottom: 16px;
}

.section {
  padding: 20px;
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 4.6vw, 2.4rem);
  line-height: 1.2;
}

.hero .lead {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 1rem;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.notice {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--accent-deep);
  font-size: 0.95rem;
}

.operator {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

h2 {
  margin: 0 0 14px;
  font-size: 1.2rem;
  line-height: 1.45;
}

h3 {
  margin: 18px 0 8px;
  font-size: 1rem;
}

p,
li {
  margin: 0 0 10px;
  font-size: 0.98rem;
}

ul {
  margin: 0;
  padding-left: 20px;
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(240px, 0.72fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 26px;
}

.home-hero-copy h1 {
  margin: 0;
  max-width: 9.5ch;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 8vw, 6.1rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.home-lead {
  max-width: 560px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-note {
  padding: 18px 18px 14px;
  border-top: 2px solid var(--text);
}

.hero-note p {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-note strong {
  display: block;
  margin-bottom: 14px;
  font-size: 1.08rem;
  font-weight: 700;
}

.home-intro {
  max-width: 780px;
  padding: 22px 0 26px;
}

.home-intro p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text);
}

.home-downloads {
  padding: 10px 0 18px;
}

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

.link-card {
  display: block;
  padding: 18px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  color: inherit;
}

.link-card h2 {
  margin-bottom: 8px;
}

.link-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.download-card {
  padding: 22px 22px 20px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 253, 248, 0.95) 0%, rgba(244, 234, 223, 0.76) 100%);
  box-shadow: var(--shadow);
}

.download-card h2 {
  margin-bottom: 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.05;
}

.download-card p {
  color: var(--muted);
}

.card-kicker {
  margin: 0 0 12px;
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.qr-box {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  margin-top: 14px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid var(--line);
}

.qr-box-editorial {
  margin-top: 20px;
  padding: 20px;
  border-radius: 24px;
}

.qr-box img {
  width: min(100%, 240px);
  aspect-ratio: 1;
}

.hint {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.home-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding-top: 6px;
}

.text-link-card {
  display: block;
  padding: 18px 0 20px;
  border-top: 1.5px solid var(--text);
  color: inherit;
}

.text-link-card strong {
  display: block;
  max-width: 28ch;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  line-height: 1.2;
  font-weight: 700;
}

.text-link-index {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
}

.home-stage {
  padding: 40px 28px 44px;
  background: #e8e7e5;
}

.home-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  max-width: 1320px;
  margin: 0 auto;
}

.feature-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: #fffdfb;
}

.feature-media {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 340px;
  padding: 28px;
  overflow: hidden;
}

.feature-media img {
  width: min(100%, 260px);
  max-height: 260px;
}

.media-apple {
  background:
    radial-gradient(circle at 50% 65%, rgba(229, 123, 86, 0.22), transparent 26%),
    linear-gradient(180deg, #f4e4d7 0%, #f8c8af 100%);
}

.media-android {
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 217, 121, 0.46), transparent 34%),
    linear-gradient(180deg, #efe4b8 0%, #e7d3a2 100%);
}

.media-policy {
  background:
    radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.72), transparent 36%),
    linear-gradient(180deg, #f1eee7 0%, #e5e0d9 100%);
}

.policy-stack {
  position: relative;
  width: 240px;
  height: 220px;
}

.policy-sheet {
  position: absolute;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  width: 160px;
  height: 200px;
  padding: 20px 18px;
  box-shadow: 0 18px 30px rgba(42, 31, 24, 0.14);
}

.policy-sheet span {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.policy-sheet-back {
  top: 0;
  right: 14px;
  background: #5f3150;
  color: #fff;
  transform: rotate(12deg);
}

.policy-sheet-front {
  bottom: 4px;
  left: 12px;
  background: #f7f4ef;
  color: #1c1815;
  transform: rotate(-10deg);
}

.feature-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px 22px 18px;
  background: #ffffff;
}

.feature-body h2 {
  margin: 0 0 14px;
  color: #26221f;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(2rem, 2.4vw, 3rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.feature-body p {
  margin: 0;
  color: #6f685f;
  font-size: 0.98rem;
  line-height: 1.65;
}

.feature-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 26px;
}

.feature-meta span {
  color: #68635c;
  font-size: 0.82rem;
  font-weight: 700;
}

.feature-icon {
  position: relative;
  width: 28px;
  height: 28px;
  border: 2px solid #24201d;
  border-radius: 999px;
}

.feature-icon::before,
.feature-icon::after {
  content: "";
  position: absolute;
  background: #24201d;
}

.feature-icon::before {
  width: 11px;
  height: 2px;
  top: 8px;
  left: 7px;
}

.feature-icon::after {
  width: 7px;
  height: 2px;
  top: 14px;
  left: 10px;
}

.policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.policy-links a {
  color: var(--accent-deep);
  font-size: 0.92rem;
  font-weight: 700;
}

.foot {
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
  padding-top: 22px;
}

@media (max-width: 640px) {
  .page {
    padding: 14px 12px 28px;
  }

  .home-page {
    padding: 0;
  }

  .insta-header {
    padding: 18px 18px 0;
  }

  .insta-logo {
    width: 74px;
    height: 74px;
    border-radius: 22px;
  }

  .insta-logo-ring {
    inset: 12px;
    border-width: 6px;
    border-radius: 18px;
  }

  .insta-logo-core {
    width: 22px;
    height: 22px;
    border-width: 6px;
  }

  .insta-logo-dot {
    width: 9px;
    height: 9px;
    right: 18px;
    top: 16px;
  }

  .insta-nav {
    display: none;
  }

  .insta-hero {
    margin-top: 12px;
    padding: 8px 18px 0;
  }

  .insta-title {
    font-size: clamp(2.2rem, 12vw, 3.5rem);
    line-height: 1.18;
  }

  .insta-subtitle {
    font-size: 0.96rem;
  }

  .phone-scene {
    min-height: auto;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding: 24px 18px 36px;
  }

  .phone-card-left,
  .phone-card-right,
  .phone-card-center {
    margin: 0;
    transform: none;
  }

  .phone-screen,
  .phone-screen-center {
    width: min(100vw - 52px, 340px);
    height: 520px;
  }

  .phone-screen-center {
    height: 560px;
  }

  .bubble-note {
    left: 12px;
    top: 52px;
    font-size: 0.88rem;
  }

  .green-badge {
    right: 14px;
    top: 92px;
  }

  .reaction-heart {
    left: 10px;
    bottom: 96px;
    width: 56px;
    height: 56px;
  }

  .insta-footer {
    padding: 22px 18px 34px;
  }

  .home-header {
    min-height: 100px;
    padding: 0 16px;
  }

  .brand-mark {
    font-size: 1.8rem;
  }

  .home-nav {
    display: none;
  }

  .menu-button {
    width: 42px;
    height: 42px;
  }

  .menu-button span {
    width: 30px;
  }

  .tabs {
    gap: 8px;
    padding: 8px;
    border-radius: 16px;
  }

  .tab {
    min-height: 42px;
    padding: 8px 10px;
    font-size: 0.92rem;
  }

  .hero,
  .section,
  .link-card,
  .download-card {
    border-radius: 16px;
  }

  .home-hero {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 16px;
  }

  .home-hero-copy h1 {
    max-width: 11ch;
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .home-lead {
    margin-top: 16px;
    font-size: 1rem;
  }

  .hero-note {
    padding: 14px 0 0;
  }

  .home-intro {
    padding: 8px 0 18px;
  }

  .hero,
  .section {
    padding: 18px 16px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .download-grid {
    grid-template-columns: 1fr;
  }

  .home-links {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .text-link-card strong {
    font-size: 1.16rem;
  }

  .home-stage {
    padding: 18px 12px 28px;
  }

  .home-card-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .feature-media {
    min-height: 240px;
    padding: 18px;
  }

  .feature-body {
    padding: 18px 16px 16px;
  }

  .feature-body h2 {
    font-size: 2rem;
  }

  .policy-stack {
    width: 210px;
    height: 180px;
  }

  .policy-sheet {
    width: 136px;
    height: 168px;
  }

  p,
  li {
    font-size: 0.95rem;
  }
}

/* Current home + help center overrides */

.insta-header {
  justify-content: flex-start;
}

.lang-select-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: #7b8088;
}

.lang-select-wrap::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-62%) rotate(45deg);
  pointer-events: none;
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  min-height: 36px;
  padding: 0 24px 0 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.25;
  cursor: pointer;
}

.lang-select:focus {
  outline: none;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 112px;
  height: 112px;
}

.brand-logo.small {
  width: 76px;
  height: 76px;
}

.brand-logo img {
  display: block;
  width: 100%;
  height: auto;
}

.phone-scene-two {
  flex-direction: row;
  align-items: flex-end;
  gap: 52px;
  min-height: 620px;
  padding: 44px 20px 56px;
}

.phone-scene-two .phone-card-left {
  z-index: 2;
  margin-right: 0;
  transform: none;
}

.phone-scene-two .phone-card-right {
  z-index: 2;
  margin-left: 0;
  transform: none;
}

.phone-scene-two .phone-screen-warm .phone-caption,
.phone-scene-two .phone-screen-cool .phone-caption {
  left: 0;
  right: 0;
  bottom: 0;
  padding: 76px 24px 24px;
  background: linear-gradient(180deg, transparent 0%, rgba(28, 21, 31, 0.7) 100%);
}

.phone-scene-two .qr-sticker,
.phone-scene-two .qr-sticker-android {
  top: 118px;
  left: 50%;
  width: 170px;
  padding: 10px;
  transform: translateX(-50%);
}

.phone-scene-two .qr-sticker img,
.phone-scene-two .qr-sticker-android img {
  display: block;
  width: 100%;
  height: auto;
}

.split-heart-half {
  position: absolute;
  top: 308px;
  width: 49px;
  height: 80px;
  overflow: hidden;
  z-index: 1;
  pointer-events: none;
}

.split-heart-half::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 98px;
  height: 80px;
  background: linear-gradient(145deg, #ff7a00 0%, #ff237f 52%, #8e33ff 100%);
  clip-path: path("M49 76 C24 59 6 44 6 24 C6 11 17 4 29 4 C38 4 45 9 49 16 C53 9 60 4 69 4 C81 4 92 11 92 24 C92 44 74 59 49 76 Z");
  filter: drop-shadow(0 14px 26px rgba(255, 45, 120, 0.22));
}

.split-heart-left {
  right: -8px;
}

.split-heart-right {
  left: -8px;
}

.split-heart-right::before {
  left: -49px;
}

.help-body {
  background: #ffffff;
}

.help-page {
  min-height: 100vh;
  background: #ffffff;
}

.help-topbar {
  display: grid;
  grid-template-columns: 320px minmax(260px, 1fr) auto;
  align-items: center;
  gap: 24px;
  height: 72px;
  padding: 0 18px 0 10px;
  border-bottom: 1px solid #e6e8ed;
}

.help-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #17191d;
  font-size: 1.1rem;
  font-weight: 700;
}

.help-brand img {
  width: 44px;
  height: auto;
}

.help-search {
  justify-self: end;
  width: min(100%, 420px);
  height: 40px;
  display: flex;
  align-items: center;
  padding: 0 18px;
  border-radius: 999px;
  background: #f0f2f5;
  color: #8f939a;
  font-size: 0.95rem;
}

.help-lang {
  color: #0a66ff;
  font-size: 0.95rem;
  font-weight: 700;
}

.help-lang-select {
  justify-self: end;
  color: #0a66ff;
}

.footer-meta {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 28px;
  color: #7b8088;
  font-size: 0.95rem;
  text-align: center;
}

.footer-lang-select {
  color: #7b8088;
}

.footer-lang-select .lang-select {
  font-size: 16px;
  line-height: 16px;
  letter-spacing: 0;
}

.footer-links a,
.footer-meta span,
.footer-meta .lang-select {
  color: #7b8088;
  font-size: 16px;
  line-height: 16px;
}

.help-layout {
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  min-height: calc(100vh - 72px);
}

.help-sidebar {
  padding: 22px 10px 24px 0;
  border-right: 1px solid #e6e8ed;
}

.help-group {
  margin-bottom: 14px;
}

.help-group h3 {
  margin: 0;
  padding: 10px 18px 10px 22px;
  color: #1f2328;
  font-size: 1rem;
  font-weight: 700;
}

.help-group a {
  display: flex;
  align-items: center;
  min-height: 58px;
  margin: 4px 10px 0 0;
  padding: 0 18px 0 22px;
  border-radius: 0 12px 12px 0;
  color: #25282c;
  font-size: 0.98rem;
}

.help-group a.active {
  position: relative;
  background: #e8f0fe;
  color: #0b57d0;
  font-weight: 700;
}

.help-group a.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: #0b57d0;
  border-radius: 0 999px 999px 0;
}

.help-content {
  max-width: 980px;
  padding: 22px 42px 72px;
}

.help-breadcrumb {
  color: #123d80;
  font-size: 0.92rem;
  font-weight: 700;
}

.help-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 28px;
}

.help-title-row h1 {
  margin: 0;
  color: #1b1f23;
  font-size: 2.15rem;
  line-height: 1.15;
}

.help-lang-block[hidden] {
  display: none !important;
}

.help-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0 26px;
  border-bottom: 1px solid #e6e8ed;
}

.help-chips span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid #d5d8de;
  border-radius: 999px;
  color: #41464d;
  font-size: 0.92rem;
  background: #fff;
}

.help-note {
  margin-top: 18px;
  color: #3a4047;
}

.help-note p {
  margin: 0 0 12px;
  font-size: 0.98rem;
  line-height: 1.7;
}

.help-toc {
  margin-top: 10px;
  padding: 18px 20px;
  border-radius: 18px;
  background: #f7f9fc;
  border: 1px solid #e6e8ed;
}

.help-toc-title {
  margin-bottom: 10px;
  color: #1f2328;
  font-size: 1rem;
  font-weight: 700;
}

.help-toc ol {
  margin: 0;
  padding-left: 1.3rem;
  color: #355d9a;
}

.help-toc li {
  margin: 0 0 8px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.help-toc a {
  color: inherit;
  text-decoration: none;
}

.help-toc a:hover {
  text-decoration: underline;
}

.help-article {
  padding-top: 18px;
  color: #1e2227;
}

.help-article p {
  margin: 0 0 22px;
  font-size: 1rem;
  line-height: 1.6;
}

.help-article h2 {
  margin: 44px 0 16px;
  color: #1d2125;
  font-size: 1.2rem;
  font-weight: 800;
  scroll-margin-top: 96px;
}

.help-article ul,
.help-article ol {
  padding-left: 1.3rem;
}

.help-article li {
  margin: 0 0 14px;
  line-height: 1.7;
}

.help-article table {
  width: 100%;
  border-collapse: collapse;
  word-break: break-word;
}

.help-article th,
.help-article td {
  border: 1px solid #e5e7eb;
  padding: 8px;
  vertical-align: top;
}

.help-article td > p,
.help-article td > li {
  margin: 0;
}

.help-article blockquote {
  margin: 14px 0;
  padding: 0 14px;
  border-left: 2px solid #ff2442;
}

.download-only-body {
  background: #ffffff;
}

.download-only-page {
  min-height: 100vh;
  padding: 26px 18px 48px;
}

.download-only-card {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 24px 36px;
  border-radius: 28px;
  background: linear-gradient(180deg, #ffffff 0%, #f5f7fb 100%);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.08);
  text-align: center;
}

.download-only-kicker {
  margin: 0 0 10px;
  color: #7c3aed;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.download-only-card h1 {
  margin: 0;
  color: #12151b;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
}

.download-only-text {
  max-width: 34em;
  margin: 16px auto 0;
  color: #6b7280;
  font-size: 1rem;
  line-height: 1.7;
}

.download-only-qr {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 420px);
  margin: 28px auto 0;
  padding: 18px;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px #e5e7eb;
}

.download-only-qr img {
  display: block;
  width: 100%;
  max-width: 320px;
}

.mobile-shell {
  display: none;
}

@media (max-width: 640px) {
  .brand-logo {
    width: 82px;
    height: 82px;
  }

  .mobile-shared-header {
    display: grid;
    align-items: center;
    grid-template-columns: minmax(0, 1fr) 44px;
    gap: 12px;
    height: 72px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 0 14px 0 18px;
    background: #ffffff;
    border-bottom: 1px solid #e6e8ed;
    z-index: 50;
  }

  .mobile-shell {
    display: block;
  }

  .mobile-shell__backdrop {
    position: fixed;
    inset: 72px 0 0 0;
    border: 0;
    background: rgba(17, 24, 39, 0.28);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
    z-index: 40;
  }

  .mobile-shell__drawer {
    position: fixed;
    top: 72px;
    right: 0;
    bottom: 0;
    width: min(86vw, 320px);
    padding: 12px 0 18px;
    background: #ffffff;
    box-shadow: -12px 0 36px rgba(17, 24, 39, 0.12);
    transform: translateX(100%);
    transition: transform 0.22s ease;
    z-index: 41;
    overflow-y: auto;
  }

  .mobile-shell__tools {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 18px 14px;
    border-bottom: 1px solid #e6e8ed;
  }

  .mobile-shell__lang {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .mobile-shell__lang-btn {
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid #d6dbe3;
    border-radius: 999px;
    background: #ffffff;
    color: #66707d;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
  }

  .mobile-shell__lang-btn.active {
    border-color: #0a66ff;
    background: #eaf2ff;
    color: #0a66ff;
  }

  .mobile-shell__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 0;
    color: #2b2f33;
    font-size: 1.9rem;
    line-height: 1;
    font-weight: 400;
    background: transparent;
    cursor: pointer;
  }

  .mobile-shell__group {
    margin-top: 14px;
  }

  .mobile-shell__group h3 {
    margin: 0;
    padding: 10px 18px 10px 22px;
    color: #1f2328;
    font-size: 1rem;
    font-weight: 700;
  }

  .mobile-shell__link {
    display: flex;
    align-items: center;
    min-height: 58px;
    margin: 4px 10px 0 0;
    padding: 0 18px 0 22px;
    border-radius: 0 12px 12px 0;
    color: #25282c;
    font-size: 0.98rem;
  }

  .mobile-shell__link.active {
    position: relative;
    background: #e8f0fe;
    color: #0b57d0;
    font-weight: 700;
  }

  .mobile-shell__link.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: #0b57d0;
    border-radius: 0 999px 999px 0;
  }

  .mobile-shell-open {
    overflow: hidden;
  }

  .mobile-shell-open .mobile-shell__backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-shell-open .mobile-shell__drawer {
    transform: translateX(0);
  }

  .insta-header,
  .help-topbar,
  .download-only-header {
    display: none;
  }

  .insta-page,
  .help-page,
  .download-only-page {
    padding-top: 72px;
  }

  .insta-hero {
    margin-top: 0;
    padding: 8px 12px 0;
  }

  .insta-title {
    font-size: clamp(1.26rem, 6.6vw, 1.86rem);
    line-height: 1.16;
    letter-spacing: -0.03em;
    white-space: normal;
  }

  .insta-subtitle {
    max-width: 30ch;
    margin-top: 14px;
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .phone-scene-two {
    flex-direction: column;
    align-items: center;
    gap: 18px;
    min-height: auto;
    padding: 24px 12px 36px;
  }

  .phone-scene-two .phone-card-left,
  .phone-scene-two .phone-card-right {
    width: 100%;
    max-width: 320px;
    transform: none;
  }

  .phone-scene-two .phone-screen {
    width: min(100%, 320px);
    height: 540px;
  }

  .phone-scene-two .phone-screen-warm .phone-caption,
  .phone-scene-two .phone-screen-cool .phone-caption {
    padding: 84px 22px 24px;
  }

  .phone-scene-two .qr-sticker,
  .phone-scene-two .qr-sticker-android {
    top: 128px;
    width: 168px;
  }

  .split-heart-half {
    display: none;
  }

  .insta-footer {
    padding: 22px 16px 34px;
  }

  .footer-links,
  .footer-meta {
    gap: 12px 18px;
  }

  .footer-meta {
    flex-direction: column;
    margin-top: 14px;
  }

  .help-lang-select,
  .help-sidebar {
    display: none;
  }

  .help-content {
    padding: 22px 18px 42px;
  }

  .help-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .help-title-row h1 {
    font-size: 1.8rem;
  }

  .download-only-page {
    padding: 20px 14px 40px;
  }

  .download-only-card {
    padding: 24px 18px 30px;
    border-radius: 24px;
  }

  .download-only-qr {
    width: min(100%, 320px);
    padding: 14px;
  }
}