.page-about {
  padding-bottom: clamp(48px, 7vw, 88px);
  color: var(--white);
}

.page-about .about-wrap {
  padding-top: clamp(16px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  display: grid;
  gap: 22px;
  margin-top: 10px;
  padding-bottom: 6px;
}

.page-about .about-hero__title {
  margin: 12px 0 0;
  font-size: clamp(34px, 7.6vw, 66px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-about .about-hero__hl {
  position: relative;
  display: inline-block;
  padding: 0 4px;
  color: var(--night-950);
  background: var(--yellow);
  border-radius: var(--radius-sm);
}

.page-about .about-hero__lead {
  margin: 18px 0 0;
  max-width: 48ch;
  color: var(--muted);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
}

.page-about .about-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line-soft);
}

.page-about .about-hero__facts li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--night-800);
}

.page-about .about-hero__num {
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
  border-bottom: 2px solid var(--blue);
  padding-bottom: 3px;
  justify-self: start;
}

.page-about .about-hero__facts li:nth-child(2) .about-hero__num { border-bottom-color: var(--green); }
.page-about .about-hero__facts li:nth-child(3) .about-hero__num { border-bottom-color: var(--yellow); }

.page-about .about-hero__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--faint);
}

.page-about .about-hero__vertical {
  display: none;
}

.page-about .about-hero__figure {
  margin: 22px 0 0;
}

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

/* 经幡五色刻度线 */
.page-about .about-flags {
  display: flex;
  gap: 6px;
  margin: 18px 0 0;
}

.page-about .about-flags span {
  flex: 1;
  height: 4px;
  border-radius: 99px;
}

.page-about .about-flags span:nth-child(1) { background: var(--blue); }
.page-about .about-flags span:nth-child(2) { background: var(--white); }
.page-about .about-flags span:nth-child(3) { background: var(--red); }
.page-about .about-flags span:nth-child(4) { background: var(--green); }
.page-about .about-flags span:nth-child(5) { background: var(--yellow); }

/* ---------- 通用区块头 ---------- */
.page-about .about-sec-head {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}

.page-about .about-h2 {
  margin: 0;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .about-sec-head__lead {
  margin: 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 做事方式 ---------- */
.page-about .about-rules {
  margin-top: clamp(38px, 6vw, 64px);
}

.page-about .about-rules__stack {
  display: grid;
  gap: 12px;
}

.page-about .about-rule {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 20px 18px;
  border-left: 3px solid var(--blue);
}

.page-about .about-rule--yellow { border-left-color: var(--yellow); }
.page-about .about-rule--green { border-left-color: var(--green); }

.page-about .about-rule__num {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--faint);
}

.page-about .about-rule__body h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 700;
  line-height: 1.35;
}

.page-about .about-rule__body p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 服务对象 ---------- */
.page-about .about-who {
  margin-top: clamp(38px, 6vw, 64px);
}

.page-about .about-who__grid {
  display: grid;
  gap: 12px;
}

.page-about .about-card {
  padding: 18px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-about .about-card h3 {
  margin: 0;
  font-size: clamp(16px, 2.4vw, 19px);
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-about .about-card--wide {
  background: var(--glass-strong);
}

/* ---------- 周期节奏 ---------- */
.page-about .about-rhythm {
  margin-top: clamp(38px, 6vw, 64px);
  display: grid;
  gap: 22px;
}

.page-about .about-rhythm__lead {
  margin: 12px 0 0;
  max-width: 50ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-rhythm__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-about .about-rhythm__list li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-rhythm__list li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-rhythm__when {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--yellow);
}

.page-about .about-rhythm__list h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-rhythm__list p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}

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

/* ---------- 从哪里开始 ---------- */
.page-about .about-start {
  margin-top: clamp(38px, 6vw, 64px);
}

.page-about .about-start__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-about .about-step {
  padding: 18px;
  border-radius: var(--radius);
  background: var(--night-800);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--blue);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-about .about-step--red { border-top-color: var(--red); }
.page-about .about-step--green { border-top-color: var(--green); }
.page-about .about-step--yellow { border-top-color: var(--yellow); }

.page-about .about-step__no {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--faint);
}

.page-about .about-step h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}

.page-about .about-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-about .about-link {
  justify-self: start;
  margin-top: 4px;
  color: var(--yellow);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 180, 41, 0.5);
  padding-bottom: 2px;
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 联系 ---------- */
.page-about .about-contact {
  margin-top: clamp(38px, 6vw, 64px);
  display: grid;
  gap: 18px;
}

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

.page-about .about-contact__panel {
  padding: clamp(20px, 3.6vw, 34px);
  display: grid;
  gap: 12px;
  align-content: start;
  color: var(--ink);
}

.page-about .about-contact__panel .eyebrow {
  color: var(--ink-soft);
}

.page-about .about-contact__lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
  max-width: 52ch;
}

.page-about .about-contact__list {
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(10, 21, 36, 0.12);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-about .about-contact__list > div {
  background: var(--paper);
  padding: 12px 14px;
  display: grid;
  gap: 4px;
}

.page-about .about-contact__list dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.page-about .about-contact__list dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-about .about-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .page-about .about-rule {
    grid-template-columns: 56px 1fr;
    gap: 16px;
    padding: 22px 22px 22px 20px;
  }

  .page-about .about-rhythm__list li {
    grid-template-columns: 132px 1fr;
    gap: 18px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    column-gap: clamp(28px, 5vw, 64px);
    padding-right: 34px;
  }

  .page-about .about-hero__main {
    grid-column: 1;
  }

  .page-about .about-hero__facts {
    grid-column: 2;
    align-self: end;
    grid-template-columns: 1fr;
  }

  .page-about .about-hero__vertical {
    display: block;
    position: absolute;
    top: 6px;
    right: 0;
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: 0.36em;
    color: var(--faint);
  }

  .page-about .about-hero__figure {
    margin-top: 30px;
  }

  .page-about .about-who__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    grid-auto-rows: minmax(0, auto);
    align-items: stretch;
  }

  .page-about .about-card--wide {
    padding: 24px;
  }

  .page-about .about-rhythm {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    column-gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

  .page-about .about-rhythm__figure {
    position: sticky;
    top: 24px;
  }

  .page-about .about-start__steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }

  .page-about .about-contact {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
    column-gap: clamp(24px, 4vw, 48px);
    align-items: stretch;
  }

  .page-about .about-contact__figure {
    height: 100%;
  }

  .page-about .about-contact__figure img {
    height: 100%;
    object-fit: cover;
  }
}

@media (min-width: 1100px) {
  .page-about .about-hero__title {
    letter-spacing: -0.025em;
  }

  .page-about .about-rules__stack {
    gap: 16px;
  }
}
<<<END>>>