.page-about {
  --ab-line: rgba(242, 244, 247, .14);
  --ab-soft: rgba(242, 244, 247, .05);
  --ab-ink-text: rgba(11, 20, 40, .74);
}

.page-about .wrap {
  min-width: 0;
}

.page-about img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-about .figure__media img {
  width: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-about .about-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(36px, 7.4vw, 88px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--white);
  overflow-wrap: break-word;
}

.page-about .about-hero__lede {
  margin: 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: rgba(242, 244, 247, .82);
  max-width: 44ch;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-about .about-stats {
  list-style: none;
  margin: clamp(28px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-about .about-stats__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: var(--ab-soft);
  border-left: 3px solid var(--gold);
}

.page-about .about-stats__item:nth-child(2) {
  border-left-color: var(--blue);
}

.page-about .about-stats__item:nth-child(3) {
  border-left-color: var(--green);
}

.page-about .about-stats__item:nth-child(4) {
  border-left-color: var(--yellow);
}

.page-about .about-stats__num {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: .02em;
}

.page-about .about-stats__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--stone);
}

/* ---------- 斜切色带 ---------- */

.page-about .about-divider {
  height: clamp(34px, 6vw, 70px);
  margin: clamp(26px, 5vw, 52px) 0;
  background: linear-gradient(90deg,
      var(--blue) 0 20%,
      var(--white) 20% 40%,
      var(--red) 40% 60%,
      var(--green) 60% 80%,
      var(--yellow) 80% 100%);
  clip-path: polygon(0 26%, 100% 0, 100% 74%, 0 100%);
  opacity: .88;
}

/* ---------- 四条生产线 ---------- */

.page-about .about-produce__figure {
  margin: 0 0 clamp(24px, 4vw, 44px);
}

.page-about .about-produce__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .produce-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
}

.page-about .produce-card {
  position: relative;
  min-width: 0;
  padding: clamp(16px, 2vw, 24px);
  background: var(--ink-2);
  border: 1px solid var(--ab-line);
  border-top: 3px solid var(--gold);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, .28);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-about .produce-card:nth-child(2) {
  border-top-color: var(--green);
}

.page-about .produce-card:nth-child(3) {
  border-top-color: var(--blue);
}

.page-about .produce-card:nth-child(4) {
  border-top-color: var(--red);
}

.page-about .produce-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 4px;
  width: 0;
  background: var(--flag);
  transition: width .45s var(--ease);
}

.page-about .produce-card:hover,
.page-about .produce-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 8px 13px 0 rgba(0, 0, 0, .34);
}

.page-about .produce-card:hover::after,
.page-about .produce-card:focus-within::after {
  width: 100%;
}

.page-about .produce-card__tag {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .produce-card:nth-child(2) .produce-card__tag {
  color: var(--green);
}

.page-about .produce-card:nth-child(3) .produce-card__tag {
  color: #7FA6EE;
}

.page-about .produce-card:nth-child(4) .produce-card__tag {
  color: #F08484;
}

.page-about .produce-card__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.01em;
}

.page-about .produce-card__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 244, 247, .76);
}

.page-about .produce-card__list {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--ab-line);
  display: grid;
  gap: 6px;
}

.page-about .produce-card__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

.page-about .produce-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 2px;
  background: var(--gold);
  opacity: .8;
}

/* ---------- 老用户口碑 ---------- */

.page-about .about-voice {
  padding-bottom: clamp(20px, 4vw, 40px);
}

.page-about .about-voice__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-about .about-voice__title {
  margin: 10px 0 14px;
  font-size: clamp(26px, 4vw, 46px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-about .about-voice__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 244, 247, .8);
  max-width: 46ch;
}

.page-about .voice-stat {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: clamp(20px, 3vw, 32px) 0;
  padding-left: 16px;
  border-left: 6px solid var(--gold);
}

.page-about .voice-stat__num {
  font-size: clamp(60px, 11vw, 132px);
  font-weight: 700;
  line-height: .9;
  color: var(--gold);
  letter-spacing: -.02em;
}

.page-about .voice-stat__unit {
  font-size: .46em;
  margin-left: 2px;
}

.page-about .voice-stat__note {
  margin: 0;
  flex: 1 1 180px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--stone);
  max-width: 22ch;
}

.page-about .voice-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .voice-list li {
  padding: 12px 16px;
  background: var(--ink-2);
  border-left: 3px solid var(--blue);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 244, 247, .78);
}

.page-about .voice-list li:nth-child(2) {
  border-left-color: var(--yellow);
}

.page-about .voice-list li:nth-child(3) {
  border-left-color: var(--green);
}

.page-about .voice-list strong {
  color: var(--white);
  font-weight: 700;
  margin-right: 6px;
}

.page-about .about-voice__figure {
  margin: 0;
}

/* ---------- 时间线 ---------- */

.page-about .about-timeline__head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
  position: relative;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 6px;
  border-radius: 3px;
  background: linear-gradient(180deg,
      var(--blue) 0 18%,
      var(--white) 18% 34%,
      var(--red) 34% 54%,
      var(--green) 54% 76%,
      var(--yellow) 76% 100%);
  opacity: .85;
}

.page-about .tl__item {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 30px);
}

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--gold);
}

.page-about .tl__item:nth-child(3n + 2)::before {
  border-color: var(--green);
}

.page-about .tl__item:nth-child(3n + 3)::before {
  border-color: var(--blue);
}

.page-about .tl__season {
  display: inline-block;
  margin: 0 0 8px;
  padding: 3px 10px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink);
  background: var(--paper);
  transform: skewX(-6deg);
}

.page-about .tl__title {
  margin: 0 0 6px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  color: var(--white);
}

.page-about .tl__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 244, 247, .74);
  max-width: 58ch;
}

/* ---------- 三审流程（米白纸面） ---------- */

.page-about .section.about-review {
  background: var(--paper);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 1.8%, 100% 100%, 0 98.2%);
  padding-block: clamp(52px, 8vw, 104px);
  margin-block: clamp(24px, 4vw, 48px);
}

.page-about .review-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-about .about-review__figure {
  margin: 0;
}

.page-about .about-review__figure .figure__caption {
  color: var(--ab-ink-text);
}

.page-about .review-eyebrow {
  color: var(--clay);
}

.page-about .review-title {
  margin: 8px 0 12px;
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-about .review-lede {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ab-ink-text);
  max-width: 42ch;
}

.page-about .review-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .review-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: var(--paper-2);
  border: 1px solid rgba(11, 20, 40, .14);
  box-shadow: 6px 6px 0 rgba(11, 20, 40, .16);
}

.page-about .review-step__idx {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--clay);
  padding-top: 3px;
}

.page-about .review-step__title {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-about .review-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ab-ink-text);
}

.page-about .review-note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(11, 20, 40, .22);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ab-ink-text);
}

.page-about .review-note .text-link {
  color: var(--clay);
}

/* ---------- 合作生态 ---------- */

.page-about .about-partners__head {
  max-width: 56ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-about .partner-wall {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .partner-wall li {
  padding: 9px 15px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--white);
  background: rgba(44, 107, 216, .14);
  border: 1px solid rgba(44, 107, 216, .42);
}

.page-about .partner-wall li:nth-child(3n + 2) {
  background: rgba(47, 163, 107, .13);
  border-color: rgba(47, 163, 107, .42);
}

.page-about .partner-wall li:nth-child(3n + 3) {
  background: rgba(233, 178, 74, .13);
  border-color: rgba(233, 178, 74, .45);
}

.page-about .partner-note {
  padding: clamp(18px, 3vw, 28px);
  max-width: 62ch;
}

.page-about .partner-note__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}

.page-about .partner-note__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ab-ink-text);
}

/* ---------- 收口 ---------- */

.page-about .about-cta__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-about .about-cta__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-cta__list a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 18px 20px;
  text-decoration: none;
  color: var(--white);
  background: linear-gradient(155deg, rgba(233, 178, 74, .16), rgba(18, 33, 63, .6) 62%);
  border: 1px solid var(--ab-line);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-about .about-cta__list a:hover,
.page-about .about-cta__list a:focus-visible {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.page-about .about-cta__label {
  font-size: 17px;
  font-weight: 800;
}

.page-about .about-cta__meta {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ---------- 栅格断点 ---------- */

@media (min-width: 768px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-voice__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-about .about-cta__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .tl__item {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 12px 20px;
  }

  .page-about .tl__season {
    justify-self: start;
    align-self: start;
    margin-bottom: 0;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-about .produce-grid {
    grid-template-columns: 5fr 3fr 4fr 3fr;
    align-items: start;
  }

  .page-about .produce-card--b {
    margin-top: 28px;
  }

  .page-about .produce-card--d {
    margin-top: 52px;
  }

  .page-about .review-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-about .tl {
    padding-left: 40px;
  }
}

@media (min-width: 1120px) {
  .page-about .about-cta__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .produce-card,
  .page-about .produce-card::after,
  .page-about .about-cta__list a {
    transition: none;
  }

  .page-about .produce-card:hover,
  .page-about .about-cta__list a:hover {
    transform: none;
  }
}
<<<END>>>