.reg-page {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

/* ── Hero ── */
.reg-hero {
  padding: 48px 0 40px;
  border-bottom: 1.5px solid var(--border);
  margin-bottom: 40px;
}
.reg-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--blue);
  background: var(--blue-lt);
  border: 1px solid var(--blue-mid);
  border-radius: 20px;
  padding: 4px 13px;
  margin-bottom: 18px;
}
.reg-hero-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 12px;
  line-height: 1.2;
}
.reg-hero-sub {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.7;
  margin: 0 0 20px;
  max-width: 640px;
}
.reg-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.reg-hero-meta-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-3);
  font-weight: 500;
}
.reg-hero-meta-item i {
  color: var(--blue);
  font-size: 13px;
}

/* ── Intro box ── */
.reg-intro {
  background: var(--blue-lt);
  border-left: 4px solid var(--blue);
  border-radius: var(--r);
  padding: 20px 24px;
  margin-bottom: 36px;
}
.reg-intro p {
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 1.75;
  margin: 0 0 10px;
}
.reg-intro p:last-child { margin-bottom: 0; }
.reg-intro strong { color: var(--text); }

/* ── Sections ── */
.reg-sections {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.reg-section {
  border-top: 1px solid var(--border-lt);
  padding: 28px 0;
}
.reg-section:last-child {
  border-bottom: 1px solid var(--border-lt);
}
.reg-section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
}
.reg-num {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  background: var(--blue);
  color: #fff;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.reg-section-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin: 0;
}
.reg-section-body {
  padding-left: 44px;
}
.reg-section-body p {
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 1.8;
  margin: 0 0 12px;
}
.reg-section-body p:last-child { margin-bottom: 0; }

/* ── System tag ── */
.reg-system-tag {
  display: inline;
  font-style: italic;
  color: var(--blue);
  font-weight: 600;
}

/* ── Footer note ── */
.reg-footer-note {
  margin-top: 40px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.65;
  text-align: center;
}
.reg-footer-note a {
  color: var(--blue);
  text-decoration: none;
}
.reg-footer-note a:hover { text-decoration: underline; }

@media (max-width: 600px) {
  .reg-hero-title { font-size: 26px; }
  .reg-section-body { padding-left: 0; margin-top: 8px; }
}