.integration {
  position: relative;
  padding-block: 120px 140px;
  background: color-mix(in srgb, var(--bg-deep) 70%, transparent);
  overflow: hidden;
}

.integration::before {
  content: '';
  position: absolute;
  top: -220px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 480px;
  background: radial-gradient(closest-side, rgba(36, 137, 253, 0.1), transparent);
  pointer-events: none;
}

.integration__head {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
}

.integration__title {
  font-size: var(--fs-4xl);
  font-weight: 800;
}

.integration__desc {
  max-width: 620px;
  margin: 18px auto 0;
  color: var(--text-2);
}

.integration__desc a {
  color: var(--accent);
  text-decoration: underline;
}

.integration__steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-bottom: 34px;
  position: relative;
}

.step {
  position: relative;
  min-width: 0;
  padding: 26px 26px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: transform 0.35s var(--ease-out), border-color 0.3s ease, box-shadow 0.35s ease;
}

.step:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 14px 34px -14px rgba(36, 137, 253, 0.25);
}

.step__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}

.step h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.step__desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-2);
}

.step .code {
  font-size: 0.78rem;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  max-width: 100%;
  white-space: pre-wrap;
  word-break: break-all;
  overflow-x: auto;
}

.integration__code {
  position: relative;
  max-width: 720px;
  margin-inline: auto;
}

.code-window {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 0 30px 80px -24px rgba(8, 12, 30, 0.6);
}

.code-window__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.code-window__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #ff5f57;
}

.code-window__dot:nth-child(2) {
  background: #febc2e;
}

.code-window__dot:nth-child(3) {
  background: #28c840;
}

.code-window__name {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: #8b98b3;
}

.code-window__copy {
  margin-left: auto;
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #b9c4d9;
  font-size: 0.76rem;
  font-family: var(--font-mono);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s var(--ease-out);
}

.code-window__copy:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transform: translateY(-1px);
}

.code-window__copy.is-copied {
  background: rgba(43, 217, 123, 0.18);
  color: #8fe3b0;
  border-color: rgba(43, 217, 123, 0.4);
}

.code--window {
  border: none;
  border-radius: 0;
  padding: 22px 24px;
  min-height: 290px;
  max-width: 100%;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.integration__cta {
  margin-top: 90px;
  text-align: center;
  padding: 64px 32px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 160% at 50% 0%, rgba(36, 137, 253, 0.08), transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  position: relative;
  overflow: hidden;
}

.integration__cta h3 {
  font-size: var(--fs-3xl);
  font-weight: 800;
  margin-bottom: 14px;
}

.integration__cta p {
  color: var(--text-2);
  margin-bottom: 34px;
}

.cta-link {
  color: var(--accent);
  text-decoration: underline;
}

.cta-link:hover {
  color: var(--accent-strong, var(--accent));
  text-decoration: none;
}

.integration__cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 常见问题 */
.faq {
  position: relative;
  padding: 120px 0 150px;
  background: var(--bg);
}

.faq__head {
  text-align: center;
  margin-bottom: 56px;
}

.faq__title {
  font-size: var(--fs-4xl);
  font-weight: 800;
}

.faq__desc {
  max-width: 560px;
  margin: 16px auto 0;
  color: var(--text-2);
}

.faq__list {
  max-width: 820px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq__item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s var(--ease-out);
}

.faq__item:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.faq__item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text);
  user-select: none;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-3);
  transition: transform 0.3s var(--ease-out), color 0.25s ease;
  flex-shrink: 0;
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq__item p {
  padding: 0 22px 20px;
  color: var(--text-2);
  font-size: 0.95rem;
  max-width: 72ch;
}