:root {
  --advertise-bg: linear-gradient(180deg, #f7f9ff 0%, #eef4ff 100%);
}

body.advertise-page {
  background: var(--advertise-bg);
  min-height: 100vh;
}

.advertise-shell {
  padding: 0 0 48px;
  display: grid;
  gap: 24px;
}

.advertise-hero {
  padding: 24px 28px;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(240px, 320px);
  gap: 24px;
  align-items: center;
}

.advertise-hero h1,
.advertise-form h2,
.advertise-sidecard h2,
.advertise-success h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
}

.advertise-hero p,
.advertise-sidecard p,
.advertise-sidecard li,
.advertise-success p {
  color: var(--muted);
  line-height: 1.6;
}

.advertise-hero-note {
  padding: 18px 20px;
  border-radius: 18px;
  background: linear-gradient(155deg, rgba(34, 50, 104, 0.96), rgba(18, 24, 58, 0.98));
  color: #eef2ff;
}

.advertise-hero-note strong {
  display: block;
  margin-bottom: 10px;
}

.advertise-hero-note ol {
  margin: 0;
  padding-left: 18px;
  color: rgba(230, 237, 255, 0.84);
}

.advertise-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: 24px;
  align-items: start;
}

.advertise-form,
.advertise-sidecard {
  overflow: hidden;
}

.form-stack,
.sidecard-stack {
  display: grid;
  gap: 16px;
}

.field-grid {
  display: grid;
  gap: 14px;
}

.field-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid rgba(28, 34, 54, 0.14);
  border-radius: 14px;
  padding: 12px 14px;
  background: #fff;
  color: var(--ink);
}

.field textarea {
  resize: vertical;
}

.field small,
.field-hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.form-status {
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 14px;
}

.form-status[data-tone='success'] {
  background: rgba(31, 191, 175, 0.12);
  color: #0f7167;
}

.form-status[data-tone='error'] {
  background: rgba(255, 109, 75, 0.12);
  color: #a43822;
}

.image-preview {
  display: grid;
  gap: 8px;
}

.image-preview-frame {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(28, 34, 54, 0.12);
  background: linear-gradient(135deg, rgba(45, 91, 255, 0.08), rgba(255, 154, 61, 0.08));
  min-height: 180px;
}

.image-preview-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.form-actions,
.advertise-success-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.advertise-success {
  display: grid;
  gap: 16px;
  padding-top: 28px;
  padding-bottom: 30px;
}

.success-summary {
  display: grid;
  gap: 12px;
  margin: 0;
}

.success-summary div {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(45, 91, 255, 0.06);
}

.success-summary dt {
  font-size: 12px;
  color: var(--muted);
}

.success-summary dd {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.advertise-sidecard ul {
  margin: 0;
  padding-left: 18px;
}

@media (max-width: 960px) {
  .advertise-hero,
  .advertise-layout,
  .field-grid.two-col,
  .field-grid.three-col {
    grid-template-columns: 1fr;
  }

  .advertise-hero,
  .advertise-form .card-body,
  .advertise-sidecard .card-body {
    padding: 20px;
  }

  .form-actions,
  .advertise-success-actions {
    flex-direction: column;
    align-items: stretch;
  }
}
.advertise-copy-card {
  padding: 16px;
  border-radius: 16px;
  background: rgba(45, 91, 255, 0.06);
  display: grid;
  gap: 8px;
}

.advertise-copy-card strong {
  font-size: 14px;
}

.advertise-copy-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.advertise-info-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.form-status[data-tone='info'] {
  background: rgba(45, 91, 255, 0.1);
  color: #1d48cf;
}