/* Agency Certification 落地页样式 */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: Roboto, sans-serif;
  color: #333;
  background: #fff;
}

.ac-page {
  width: 100%;
  overflow-x: hidden;
}

/* 本页 footer 紧贴上方 CTA，去掉全局顶部外边距 */
.footer {
  margin-top: 0;
}

.ac-gradient-text {
  color: #34b9fe;
}

.ac-gradient-text-offer {
  display: inline-block;
  background: linear-gradient(101deg, #34b9fe 40%, #a84cff 120%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: Roboto, sans-serif;
  font-size: 54px;
  font-style: normal;
  font-weight: 700;
  line-height: 59px;
  letter-spacing: -0.839px;
}

.ac-gradient-text-warm {
  display: inline-block;
  background-image: linear-gradient(90deg, #34B9FE 72.12%, #B14CFF 83.65%, #FF9500 110%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-family: Roboto, sans-serif;
  font-size: 60px;
  font-style: normal;
  font-weight: 700;
  line-height: 69px;
  letter-spacing: -1.6px;
}

/* ===== Hero ===== */
.ac-hero {
  position: relative;
  padding: 130px 0;
  background: linear-gradient(180.14deg, #fff 58.762%, #cdeeff 109.44%);
  overflow: hidden;
}

.ac-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
  opacity: 0.9;
}

.ac-hero-bg-m {
  display: none;
}

.ac-hero-inner {
  position: relative;
  width: 1310px;
  max-width: 1310px;
  height: 510px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  align-items: flex-start;
}

.ac-hero-content {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.ac-hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.ac-hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 53px;
  padding: 0 24px;
  border: 2px solid #00a8ff;
  border-radius: 50px;
  color: #00a8ff;
  font-size: 20px;
  line-height: 32px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.ac-hero-title {
  font-size: 60px;
  font-weight: 700;
  line-height: 69px;
  letter-spacing: -1.6px;
  color: #0c0c0c;
}

/* 仅移动端换行，PC 保持原样 */
.ac-br-m {
  display: none;
}

.ac-hero-desc {
  font-size: 20px;
  line-height: 32px;
  color: #333;
  max-width: 520px;
}

.ac-hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 90px;
  min-width: 215px;
  height: 65px;
  padding: 0 37px;
  border-radius: 50px;
  background: #26b5ff;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
  transition: opacity 0.2s;
}

.ac-hero-btn:hover {
  opacity: 0.9;
}

.ac-hero-btn img {
  width: 12px;
  height: 12px;
}

.ac-hero-visual {
  position: relative;
  flex: 0 0 auto;
  width: 692.409px;
  height: 509.017px;
  max-width: 100%;
  margin-left: auto;
  filter: drop-shadow(0 8.425px 67.397px rgba(0, 0, 0, 0.05));
}

.ac-hero-dashboard {
  display: block;
  width: 639.36px;
  max-width: 92%;
  height: auto;
  margin-left: auto;
}

.ac-hero-shield {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 201.741px;
  max-width: 30%;
  height: auto;
  display: block;
  z-index: 2;
}

/* ===== Sections shared ===== */
.ac-section {
  padding: 128px 0;
}

.ac-section-inner {
  max-width: 1342px;
  margin: 0 auto;
}

.ac-section-header {
  text-align: center;
  margin-bottom: 100px;
}

.ac-section-title {
  font-size: 54px;
  font-weight: 700;
  line-height: 59px;
  letter-spacing: -1px;
  color: #020826;
}

.ac-section-desc {
  margin-top: 24px;
  font-size: 24px;
  line-height: 32px;
  color: #333;
}

/* ===== Offering ===== */
.ac-offering-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ac-card {
  background: #fff;
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
}

.ac-card-icon {
  width: 60px;
  height: 60px;
  display: block;
}

.ac-card-title {
  margin-top: 20px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  color: #333;
}

.ac-card-desc {
  margin-top: 20px;
  font-size: 20px;
  line-height: 24px;
  color: #999;
}

/* ===== Knowledge ===== */
.ac-knowledge {
  background: #f2f7ff;
}

.ac-knowledge-body {
  display: flex;
  gap: 85px;
  align-items: stretch;
}

.ac-topic-list {
  flex: 0 0 440px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ac-topic-item {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 124px;
  padding: 32px 31px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
}

.ac-topic-item img {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
}

.ac-topic-item span {
  font-size: 20px;
  font-weight: 700;
  line-height: 24px;
  color: #333;
}

.ac-catalog {
  flex: 1;
  min-width: 0;
}

.ac-catalog img {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: 0 0 40px 0 rgba(0, 97, 171, 0.08);
}

/* ===== How It Works ===== */
.ac-how {
  position: relative;
  background: #fff;
  overflow: hidden;
}

.ac-how-bg {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.ac-how-bg-pc {
  right: 0;
  bottom: 0;
  width: 100%;
  display: block;
}

.ac-how-bg-m {
  display: none;
}

.ac-how .ac-section-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 100px;
}

.ac-how-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 50px;
  width: 100%;
}

.ac-how-title {
  text-align: center;
  margin-bottom: 0;
}

.ac-how-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  width: 100%;
}

/* PC：连接线放在步骤 1/2 内，相对本步圆形右侧起，宽度按本步模块算到下一步圆形左侧 */
.ac-how-line {
  position: absolute;
  top: 40px;
  /* 本步圆心(50%) + 半径(40) */
  left: calc(50% + 40px);
  /* 本步半宽剩余 + gap(40) + 下一步半宽 - 两圆半径(80) = 100% - 40px */
  width: calc(100% - 40px);
  height: 3px;
  background: linear-gradient(
    90deg,
    #34b9fe 72.12%,
    #b14cff 83.65%,
    #ff9500 97.6%
  );
  z-index: 0;
  pointer-events: none;
}

.ac-how-line-m {
  display: none;
}

.ac-how-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.ac-how-step-text {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}

.ac-how-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 40px;
  border: 5.333px solid #e0f4ff;
  background: #26b5ff;
  color: #fff;
  font-size: 30px;
  font-weight: 800;
  line-height: 50px;
  flex-shrink: 0;
}

.ac-how-step-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 36px;
  color: #333;
}

.ac-how-step-desc {
  font-size: 24px;
  line-height: 28px;
  color: #666;
  width: 280px;
}

.ac-how-tip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  width: 620px;
  max-width: 100%;
  height: 50px;
  border: 1px solid #26b5ff;
  border-radius: 50px;
  background: rgba(224, 244, 255, 0.35);
}

.ac-how-tip img {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.ac-how-tip p {
  color: #999;
  text-align: center;
  font-size: 22px;
  font-style: italic;
  font-weight: 500;
  line-height: 24px;
  white-space: nowrap;
}

.ac-how-tip-highlight {
  background: linear-gradient(90deg, #b14cff 10%, #ff9500 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 24px;
  font-style: italic;
  font-weight: 500;
  line-height: 24px;
}

/* ===== Recognition ===== */
.ac-recognition .ac-section-desc {
  color: #666;
  max-width: 1108px;
  margin-left: auto;
  margin-right: auto;
}

.ac-recognition .ac-gradient-text {
  display: inline-block;
  background: linear-gradient(96deg, #34b9fe 52.62%, #a84cff 101.06%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 54px;
  font-style: normal;
  font-weight: 700;
  line-height: 59px;
}

.ac-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 100px;
  width: 100%;
  margin: 0 auto 100px;
}

.ac-badges img {
  display: block;
  width: 202px;
  height: 262px;
  object-fit: fill;
}

.ac-benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ac-benefit-card {
  background: #fff;
  border-radius: 20px;
  padding: 32px;
  min-height: 300px;
  box-shadow: 0 0 20px rgba(0, 97, 171, 0.08);
}

.ac-benefit-card .ac-card-title {
  font-size: 24px;
  line-height: 28px;
}

.ac-benefit-card .ac-card-desc {
  line-height: 28px;
}

/* ===== FAQ ===== */
.ac-faq {
  background: #f2f7ff;
  padding: 128px 0;
}

.ac-faq-inner {
  max-width: 978px;
  margin: 0 auto;
  padding: 0 24px;
}

.ac-faq-title {
  text-align: center;
  font-size: 54px;
  font-weight: 600;
  line-height: normal;
  color: #333;
  margin-bottom: 70px;
}

.ac-faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ac-faq-item {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: padding 0.15s ease;
}

.ac-faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.ac-faq-q-text {
  flex: 1;
  font-size: 24px;
  font-weight: 600;
  line-height: 34px;
  color: #0c0c0c;
}

.ac-faq-icon {
  position: relative;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.ac-faq-icon::before,
.ac-faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: #999;
  transform: translate(-50%, -50%);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.ac-faq-icon::before {
  width: 20px;
  height: 4px;
}

.ac-faq-icon::after {
  width: 4px;
  height: 20px;
}

.ac-faq-item.is-open .ac-faq-icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}

.ac-faq-a {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  font-size: 20px;
  line-height: 1.45;
  color: #666;
  transition: max-height 0.15s ease, opacity 0.15s ease, margin-top 0.15s ease;
}

.ac-faq-item.is-open .ac-faq-a {
  opacity: 1;
  margin-top: 16px;
}

.ac-faq-a p + p {
  margin-top: 16px;
}

/* ===== CTA Banner ===== */
.ac-cta {
  padding: 50px 24px;
  background: linear-gradient(126.5deg, #34b9fe 52.623%, #a84cff 101.06%);
  text-align: center;
}

.ac-cta-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
}

.ac-cta-desc {
  margin-top: 10px;
  font-size: 24px;
  line-height: 32px;
  color: #fff;
}

.ac-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
  height: 65px;
  padding: 0 42px;
  border-radius: 50px;
  background: #fff;
  color: #26b5ff;
  font-size: 24px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.ac-cta-btn:hover {
  opacity: 0.92;
}

.ac-cta-btn img {
  width: 12px;
  height: 12px;
}

/* ===== Responsive：平板 ≤1200 ===== */
@media (max-width: 1200px) {
  /* Hero：布局同移动端，字号/高度按平板放大；PC / ≤768 各自另有规则 */
  .ac-hero {
    padding: 110px 0 80px;
  }

  .ac-hero-bg-pc {
    display: none;
  }

  .ac-hero-bg-m {
    display: block;
    opacity: 1;
    top: 30%;
    bottom: auto;
    object-fit: fill;
  }

  .ac-hero-inner {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    max-width: 100%;
    height: auto;
    padding: 0 24px;
    gap: 28px;
  }

  .ac-hero-content {
    width: 100%;
    max-width: 100%;
    height: auto;
    gap: 28px;
  }

  .ac-hero-copy {
    gap: 0;
    width: 100%;
  }

  .ac-hero-badge {
    height: 42px;
    padding: 0 20px;
    border-width: 1.5px;
    font-size: 16px;
    line-height: 16px;
    letter-spacing: 0;
    white-space: nowrap;
    text-align: center;
    margin-bottom: 20px;
  }

  .ac-hero-title {
    font-size: 48px;
    line-height: 52px;
    letter-spacing: -1.2px;
    margin-bottom: 12px;
  }

  /* 平板标题统一换行 */
  .ac-br-m {
    display: block;
  }

  .ac-gradient-text-warm {
    font-size: 48px;
    line-height: 52px;
    letter-spacing: -1.2px;
    background: none;
    background-image: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    -webkit-text-fill-color: unset;
    color: #34b9fe;
  }

  .ac-hero-desc {
    font-size: 18px;
    line-height: 28px;
    max-width: none;
  }

  .ac-hero-btn {
    width: auto;
    min-width: 0;
    height: 52px;
    margin-top: 0;
    padding: 0 28px;
    gap: 8px;
    font-size: 16px;
  }

  .ac-hero-btn img {
    width: 10px;
    height: 10px;
  }

  .ac-hero-visual {
    width: 100%;
    max-width: 100%;
    height: auto;
    margin-left: 0;
  }

  .ac-hero-dashboard {
    width: calc(100% - 80px);
    max-width: 100%;
    margin-left: 0;
    border-radius: 10px;
  }

  .ac-hero-shield {
    left: auto;
    right: 0;
    bottom: -40px;
    width: 160px;
    max-width: 32%;
  }

  .ac-knowledge-body {
    flex-direction: column;
  }

  .ac-topic-list {
    flex: none;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .ac-benefit-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .ac-benefit-card {
    padding: 24px;
    min-height: auto;
    max-height: 200px;
    border-radius: 16px;
  }

  .ac-benefit-card .ac-card-icon {
    width: 48px;
    height: 48px;
  }

  .ac-benefit-card .ac-card-title {
    margin-top: 14px;
    font-size: 20px;
    line-height: 26px;
  }

  .ac-benefit-card .ac-card-desc {
    margin-top: 12px;
    font-size: 15px;
    line-height: 22px;
  }

  /* Offering：1000–1200 保持 3 列，收紧间距与字号 */
  .ac-offering-grid {
    gap: 16px;
  }

  .ac-offering .ac-card {
    padding: 24px;
    border-radius: 16px;
  }

  .ac-offering .ac-card-icon {
    width: 48px;
    height: 48px;
  }

  .ac-offering .ac-card-title {
    margin-top: 14px;
    font-size: 22px;
    line-height: 28px;
  }

  .ac-offering .ac-card-desc {
    margin-top: 12px;
    font-size: 15px;
    line-height: 22px;
  }

  /* Badges：≤1200 收紧间距与尺寸 */
  .ac-badges {
    gap: 48px;
    margin-bottom: 64px;
  }

  .ac-badges img {
    width: 160px;
    height: 208px;
  }

  /* 标题统一：1000–1200 */
  .ac-section-title,
  .ac-faq-title,
  .ac-cta-title,
  .ac-how-title,
  .ac-gradient-text-offer,
  .ac-recognition .ac-gradient-text {
    font-size: 42px;
    line-height: 48px;
    letter-spacing: -0.9px;
  }

  .ac-faq-title {
    margin-bottom: 40px;
  }

  /* FAQ 列表字号：≤1200 */
  .ac-faq-q-text {
    font-size: 20px;
    line-height: 28px;
  }

  .ac-faq-a {
    font-size: 17px;
    line-height: 26px;
  }
}
@media (max-width: 1000px) {
  .ac-offering-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .ac-offering .ac-card {
    padding: 28px;
    border-radius: 18px;
  }

  .ac-offering .ac-card-icon {
    width: 54px;
    height: 54px;
  }

  .ac-offering .ac-card-title {
    margin-top: 18px;
    font-size: 26px;
    line-height: 32px;
  }

  .ac-offering .ac-card-desc {
    margin-top: 14px;
    font-size: 17px;
    line-height: 24px;
  }

  /* Knowledge topics：768–1000 两列 */
  .ac-topic-list {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Benefits：768–1000 单列 + 宽高适配 */
  .ac-benefit-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .ac-benefit-card {
    padding: 28px;
    min-height: auto;
    border-radius: 18px;
  }

  .ac-benefit-card .ac-card-icon {
    width: 54px;
    height: 54px;
  }

  .ac-benefit-card .ac-card-title {
    margin-top: 16px;
    font-size: 22px;
    line-height: 28px;
  }

  .ac-benefit-card .ac-card-desc {
    margin-top: 14px;
    font-size: 16px;
    line-height: 24px;
  }

  /* How It Works：768–1000 步骤字号（布局仍为 PC 三列） */
  .ac-how-main {
    gap: 40px;
  }

  .ac-how-step {
    gap: 18px;
  }

  .ac-how-step-text {
    gap: 14px;
  }

  .ac-how-num {
    width: 64px;
    height: 64px;
    border-width: 4px;
    font-size: 24px;
    line-height: 32px;
  }

  .ac-how-line {
    top: 32px;
    left: calc(50% + 32px);
    width: calc(100% - 32px);
  }

  .ac-how-step-title {
    font-size: 24px;
    line-height: 30px;
  }

  .ac-how-step-desc {
    font-size: 18px;
    line-height: 24px;
    width: auto;
    max-width: 220px;
  }

  .ac-badges img {
    width: 160px;
    height: 208px;
  }

  /* 标题统一：768–1000 */
  .ac-hero-title,
  .ac-gradient-text-warm {
    font-size: 44px;
    line-height: 48px;
    letter-spacing: -1px;
  }

  .ac-section-title,
  .ac-faq-title,
  .ac-cta-title,
  .ac-how-title,
  .ac-gradient-text-offer,
  .ac-recognition .ac-gradient-text {
    font-size: 36px;
    line-height: 42px;
    letter-spacing: -0.8px;
  }

  .ac-faq-title {
    margin-bottom: 32px;
  }

  /* FAQ 列表字号：≤1000 */
  .ac-faq-q-text {
    font-size: 18px;
    line-height: 26px;
  }

  .ac-faq-a {
    font-size: 16px;
    line-height: 24px;
  }
}

@media (max-width: 768px) {
  .menu-c-head {
    width: 100%;
  }

  .ac-hero-inner,
  .ac-section-inner,
  .ac-faq-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  /* Hero：恢复既有 H5 字号与高度，覆盖平板适配 */
  .ac-hero {
    padding: 90px 0 66px;
  }

  .ac-hero-inner {
    gap: 20px;
  }

  .ac-hero-content {
    gap: 20px;
  }

  .ac-hero-badge {
    height: 24px;
    padding: 0 12px;
    border-width: 1.2px;
    font-size: 10px;
    line-height: 10px;
    margin-bottom: 20px;
  }

  .ac-hero-title {
    font-size: 44px;
    line-height: 46px;
    letter-spacing: -0.96px;
    margin-bottom: 10px;
  }

  .ac-br-m {
    display: block;
  }

  .ac-gradient-text-warm {
    font-size: 44px;
    line-height: 46px;
    letter-spacing: -0.96px;
  }

  .ac-hero-desc {
    font-size: 16px;
    line-height: 24px;
  }

  .ac-hero-btn {
    height: 39px;
    padding: 0 22px;
    gap: 6px;
    font-size: 12px;
  }

  .ac-hero-btn img {
    width: 8px;
    height: 8px;
  }

  .ac-hero-dashboard {
    width: calc(100% - 30px);
    border-radius: 8px;
  }

  .ac-hero-shield {
    bottom: -30px;
    width: 92px;
    max-width: 29%;
  }

  .ac-section {
    padding: 64px 0;
  }

  .ac-how-bg-pc {
    display: none;
  }

  .ac-how-bg-m {
    display: block;
    bottom: -50%;
    width: 120%;
    max-width: none;
  }

  /* How It Works：对齐 H5 Figma 12447:19227 */
  .ac-how {
    padding: 50px 0;
  }

  .ac-how .ac-section-inner {
    gap: 20px;
    width: 100%;
    max-width: none;
  }

  .ac-how-main {
    gap: 30px;
  }

  .ac-how-title {
    font-size: 32px;
    line-height: 36px;
  }

  .ac-how-title .ac-gradient-text-offer {
    font-size: 32px;
    line-height: 36px;
  }

  .ac-how-steps {
    display: flex;
    flex-direction: column;
    gap: 50px;
    width: 100%;
  }

  .ac-how-line {
    display: none;
  }

  .ac-how-line-m {
    display: block;
    position: absolute;
    top: 25px;
    bottom: 25px;
    left: 24px;
    width: 2.582px;
    background: linear-gradient(
      180deg,
      #34b9fe 72.12%,
      #b14cff 83.65%,
      #ff9500 97.6%
    );
    z-index: 0;
  }

  .ac-how-step {
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 10px;
    text-align: left;
    width: 100%;
  }

  .ac-how-step-text {
    flex: 1;
    gap: 10px;
    align-items: flex-start;
    text-align: left;
  }

  .ac-how-num {
    width: 50px;
    height: 50px;
    border-radius: 40px;
    border-width: 5.333px;
    font-size: 16px;
    line-height: 20px;
  }

  .ac-how-step-title {
    font-size: 20px;
    line-height: 24px;
  }

  .ac-how-step-desc {
    font-size: 14px;
    line-height: 20px;
    width: auto;
  }

  .ac-how-tip {
    width: 100%;
    height: auto;
    min-height: 50px;
    gap: 10px;
    padding: 10px 12px;
    background: transparent;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
  }

  .ac-how-tip img {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
  }

  .ac-how-tip p {
    white-space: normal;
    text-align: center;
    font-size: 14px;
    line-height: 20px;
    min-width: 0;
    flex: 1 1 auto;
  }

  .ac-how-tip-highlight {
    font-size: 14px;
    line-height: 20px;
    /* 用 background-image，避免 shorthand 重置 background-clip */
    background-image: linear-gradient(90deg, #b14cff 10%, #ff9500 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .ac-section-title {
    font-size: 28px;
    line-height: 36px;
  }

  .ac-recognition .ac-gradient-text {
    font-size: 32px;
    line-height: 36px;
  }

  .ac-gradient-text-offer {
    font-size: 28px;
    line-height: 36px;
  }

  .ac-section-desc {
    font-size: 16px;
    line-height: 24px;
    margin-top: 16px;
  }

  .ac-section-header {
    margin-bottom: 32px;
  }

  /* Offering 区块：对齐 H5 Figma 12435:18655 */
  .ac-offering {
    padding: 50px 0;
  }

  .ac-offering .ac-section-header {
    margin-bottom: 30px;
  }

  .ac-offering .ac-section-title,
  .ac-offering .ac-gradient-text-offer {
    font-size: 32px;
    line-height: 36px;
    letter-spacing: -0.81px;
  }

  .ac-offering .ac-section-desc {
    margin-top: 10px;
    font-size: 16px;
    line-height: 20px;
  }

  .ac-offering .ac-card {
    padding: 26px;
    border-radius: 16px;
    box-shadow: 0 0 24px rgba(0, 0, 0, 0.05);
  }

  .ac-offering .ac-card-icon {
    width: 49px;
    height: 49px;
  }

  .ac-offering .ac-card-title {
    margin-top: 16px;
    font-size: 20px;
    line-height: 20px;
  }

  .ac-offering .ac-card-desc {
    margin-top: 16px;
    font-size: 14px;
    line-height: 20px;
  }

  /* Knowledge 区块：对齐 H5 Figma 12447:18676 */
  .ac-knowledge {
    padding: 50px 0;
  }

  .ac-knowledge .ac-section-header {
    margin-bottom: 30px;
  }

  .ac-knowledge .ac-section-title,
  .ac-knowledge .ac-gradient-text-offer {
    font-size: 32px;
    line-height: 36px;
    letter-spacing: -0.84px;
  }

  .ac-knowledge .ac-section-desc {
    margin-top: 10px;
    font-size: 16px;
    line-height: 20px;
  }

  .ac-knowledge-body {
    flex-direction: column-reverse;
    gap: 30px;
  }

  .ac-topic-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .ac-topic-item {
    min-height: 53px;
    height: 53px;
    padding: 0 13px;
    gap: 9px;
    border-radius: 9px;
    border: 0.5px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 0 9px rgba(0, 97, 171, 0.08);
  }

  .ac-topic-item img {
    width: 26px;
    height: 26px;
  }

  .ac-topic-item span {
    font-size: 12px;
    font-weight: 500;
    line-height: 12px;
  }

  .ac-catalog img {
    border-radius: 0;
  }

  /* Recognition 区块：对齐 H5 Figma 12447:19127 */
  .ac-recognition {
    padding: 50px 0;
  }

  .ac-recognition .ac-section-header {
    margin-bottom: 30px;
  }

  .ac-recognition .ac-section-title {
    font-size: 32px;
    line-height: 36px;
  }

  .ac-recognition .ac-section-desc {
    margin-top: 10px;
    font-size: 16px;
    line-height: 20px;
  }

  .ac-badges {
    display: grid;
    grid-template-columns: repeat(2, auto);
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
  }

  .ac-badges img {
    width: 117px;
    height: 152px;
  }

  .ac-benefit-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .ac-benefit-card {
    display: grid;
    grid-template-columns: 60px 1fr;
    grid-template-rows: auto auto;
    column-gap: 20px;
    row-gap: 10px;
    padding: 32px;
    min-height: auto;
    max-height: none;
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(0, 97, 171, 0.08);
  }

  .ac-benefit-card .ac-card-icon {
    grid-row: 1 / 3;
    width: 60px;
    height: 60px;
    margin: 0;
  }

  .ac-benefit-card .ac-card-title {
    margin-top: 0;
    font-size: 20px;
    line-height: 20px;
  }

  .ac-benefit-card .ac-card-desc {
    margin-top: 0;
    font-size: 14px;
    line-height: 20px;
    color: #999;
  }

  .ac-card {
    padding: 24px;
    min-height: auto;
  }

  .ac-card-title {
    font-size: 22px;
    line-height: 28px;
  }

  .ac-card-desc {
    font-size: 16px;
    line-height: 24px;
  }

  /* FAQ：对齐 H5 Figma 12447:19228 */
  .ac-faq {
    padding: 50px 0;
  }

  .ac-faq-title {
    font-size: 32px;
    line-height: 36px;
    font-weight: 600;
    margin-bottom: 20px;
  }

  .ac-faq-list {
    gap: 20px;
  }

  .ac-faq-item {
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
  }

  .ac-faq-item.is-open {
    padding: 24px;
  }

  .ac-faq-q {
    align-items: center;
    gap: 10px;
  }

  .ac-faq-q-text {
    font-size: 16px;
    font-weight: 500;
    line-height: 20px;
  }

  .ac-faq-a {
    font-size: 14px;
    line-height: 20px;
  }

  .ac-faq-item.is-open .ac-faq-a {
    margin-top: 16px;
  }

  .ac-faq-icon {
    width: 36px;
    height: 36px;
  }

  .ac-faq-icon::before {
    width: 20px;
    height: 4px;
  }

  .ac-faq-icon::after {
    width: 4px;
    height: 20px;
  }

  /* CTA：对齐 H5 Figma 12447:19283 */
  .ac-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 50px 20px;
    background: linear-gradient(96.95deg, #34b9fe 52.623%, #a84cff 101.06%);
    gap: 24px;
  }

  .ac-cta-title {
    font-size: 32px;
    line-height: 36px;
    font-weight: 800;
  }

  .ac-cta-desc {
    margin-top: 0;
    max-width: 350px;
    font-size: 20px;
    line-height: 20px;
  }

  .ac-cta-btn {
    width: auto;
    height: auto;
    margin-top: 0;
    padding: 18.667px 42.667px;
    gap: 10.667px;
    font-size: 20px;
    font-weight: 700;
  }

  .ac-cta-btn img {
    width: 12.444px;
    height: 12.444px;
  }
}