.fss-card {
  box-sizing: border-box;
  max-width: 620px;
  margin: 64px auto;
  padding: 52px;
  border: 1px solid #dce3ee;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 18px 60px rgba(24, 50, 92, .12);
  color: #1d2939;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-align: center;
}

.fss-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin: 0 auto 22px;
  place-items: center;
  border-radius: 50%;
  background: #eaf2ff;
  color: #0866ff;
  font-size: 25px;
  font-weight: 700;
}

.fss-eyebrow {
  margin: 0 0 12px;
  color: #667085;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}

.fss-card h1 { margin: 0; font-size: clamp(28px, 5vw, 40px); line-height: 1.15; }
.fss-copy { max-width: 470px; margin: 20px auto 30px; color: #475467; font-size: 17px; line-height: 1.6; }

.fss-button {
  display: inline-flex;
  gap: 14px;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 9px;
  background: #0866ff;
  color: #fff !important;
  font-weight: 700;
  text-decoration: none !important;
  transition: background .2s ease, transform .2s ease;
}

.fss-button:hover, .fss-button:focus { background: #0054d8; transform: translateY(-1px); }
.fss-note { margin: 22px 0 0; color: #667085; font-size: 13px; line-height: 1.5; }

@media (max-width: 600px) {
  .fss-card { margin: 28px 16px; padding: 36px 24px; }
}

.fss-viewer {
  box-sizing: border-box;
  max-width: 1040px;
  margin: 54px auto 72px;
  padding: 58px 72px 44px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 18px;
  background: linear-gradient(135deg, #0866ff 0%, #1b59be 52%, #1d4690 100%);
  box-shadow: 0 24px 58px rgba(23, 65, 139, .28);
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-align: center;
}
.fss-viewer__brand { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 20px; color: rgba(255,255,255,.9); font-size: 15px; font-weight: 700; }
.fss-viewer__brand span { display: grid; width: 27px; height: 27px; place-items: center; border-radius: 50%; background: #fff; color: #0866ff; font-size: 21px; font-weight: 800; line-height: 1; font-family: Arial, sans-serif; }
.fss-viewer__intro h2 { margin: 0; color: #fff; font-size: clamp(34px, 5vw, 48px); letter-spacing: -.035em; line-height: 1.1; }
.fss-viewer__intro p:not(.fss-eyebrow) { max-width: 650px; margin: 14px auto 0; color: rgba(255,255,255,.88); font-size: 17px; line-height: 1.55; }
.fss-viewer .fss-eyebrow { margin-bottom: 11px; color: rgba(255,255,255,.78); font-size: 11px; }
.fss-viewer__form { max-width: 810px; margin: 32px auto 0; text-align: left; }
.fss-viewer__form label { display: block; margin-bottom: 10px; color: #fff; font-size: 14px; font-weight: 750; }
.fss-viewer__controls { display: flex; gap: 10px; }
.fss-viewer__controls input { flex: 1; min-width: 0; padding: 17px 18px; border: 0; border-radius: 8px; background: #fff; color: #17243b; font: inherit; outline: none; transition: box-shadow .2s; }
.fss-viewer__controls input:focus { box-shadow: 0 0 0 4px rgba(255,255,255,.28); }
.fss-viewer__controls button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: 122px; border: 0; border-radius: 8px; padding: 0 23px; background: #18b934; box-shadow: 0 8px 16px rgba(5, 48, 16, .18); color: #fff; font: inherit; font-weight: 750; cursor: pointer; transition: background .2s, transform .2s; }
.fss-viewer__controls button:hover { background: #0fa12a; transform: translateY(-1px); }
.fss-viewer__features { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 22px; padding: 0; margin: 20px 0 0; color: rgba(255,255,255,.9); font-size: 13px; list-style: none; }
.fss-viewer__features li { display: flex; align-items: center; gap: 7px; }
.fss-viewer__features li::before { content: '✓'; display: grid; width: 17px; height: 17px; place-items: center; border-radius: 50%; background: rgba(255,255,255,.18); color: #fff; font-size: 11px; font-weight: 800; }
.fss-home-active { background: #f4f7fb; }
.fss-home-active header { border-bottom: 1px solid #e5ebf4; background: #fff; }
.fss-home-active main { min-height: 560px; padding: 34px 18px 0; background: radial-gradient(circle at 50% 0, #edf4ff 0, #f4f7fb 44%, #f4f7fb 100%); }
.fss-home-active .fss-viewer { margin-top: 10px; margin-bottom: 88px; }
.fss-viewer__result { display: flex; justify-content: center; margin-top: 30px; }
.fss-viewer__result iframe { max-width: 100%; }
.fss-viewer__external-result { margin-top: 26px; padding: 22px; border: 1px solid #c9d7ff; border-radius: 12px; background: #f4f7ff; }
.fss-viewer__external-result p { margin: 0 0 16px; color: #344054; line-height: 1.5; }
.fss-viewer__error { margin-top: 15px; color: #b42318; font-weight: 600; }
.fss-viewer__note { margin: 22px auto 0; max-width: 810px; color: rgba(255,255,255,.8); font-size: 13px; line-height: 1.5; }
.fss-managed-feed { box-sizing: border-box; max-width: 980px; margin: 48px auto; padding: 32px; color: #1d2939; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.fss-managed-feed h2 { margin: 0 0 22px; font-size: 28px; }
.fss-managed-feed__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.fss-managed-feed__post { overflow: hidden; border: 1px solid #dce3ee; border-radius: 14px; background: #fff; box-shadow: 0 8px 24px rgba(24, 50, 92, .08); }
.fss-managed-feed__post img { display: block; width: 100%; aspect-ratio: 1.45; object-fit: cover; }
.fss-managed-feed__post p, .fss-managed-feed__post time, .fss-managed-feed__post a { display: block; margin: 16px 16px 0; }
.fss-managed-feed__post time { color: #667085; font-size: 13px; }
.fss-managed-feed__post a { margin-bottom: 16px; color: #0866ff; font-weight: 700; }
@media (max-width: 600px) { .fss-viewer { margin: 24px 16px 48px; padding: 38px 23px 30px; border-radius: 16px; } .fss-viewer__brand { margin-bottom: 18px; } .fss-viewer__intro h2 { font-size: 36px; } .fss-viewer__intro p:not(.fss-eyebrow) { font-size: 16px; } .fss-viewer__controls { flex-direction: column; } .fss-viewer__controls button { min-height: 54px; } .fss-viewer__features { display: grid; gap: 10px; justify-content: start; } .fss-home-active main { min-height: 0; padding: 16px 0 0; } .fss-home-active .fss-viewer { margin-bottom: 48px; } .fss-managed-feed { margin: 28px 16px; padding: 20px 0; } .fss-managed-feed__grid { grid-template-columns: 1fr; } }