.page-about {
  padding-top: clamp(14px, 2.4vw, 30px);
  padding-bottom: clamp(60px, 9vw, 130px);
  color: var(--paper);
  min-width: 0;
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(16px, 2.6vw, 32px);
  padding: clamp(32px, 5.6vw, 72px) 0 clamp(38px, 5.6vw, 78px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -12% -18% auto -18%;
  height: 138%;
  background:
    linear-gradient(152deg, rgba(34, 227, 210, 0.17) 0%, rgba(34, 227, 210, 0) 44%),
    linear-gradient(152deg, rgba(255, 61, 138, 0.11) 4%, rgba(6, 14, 22, 0) 30%);
  clip-path: polygon(0 0, 100% 0, 100% 60%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__kicker {
  margin: 0 0 clamp(14px, 2vw, 24px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-about .about-hero__title {
  margin: 0 0 clamp(16px, 2.4vw, 28px);
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.95rem, 5.2vw, 3.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 64ch;
  font-family: var(--font-sans);
  font-size: clamp(15.5px, 1.15vw, 18px);
  line-height: 1.92;
  color: var(--paper);
  opacity: 0.86;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.6vw, 30px);
  list-style: none;
  margin: clamp(28px, 4.2vw, 48px) 0 0;
  padding: clamp(20px, 3vw, 30px) 0 0;
  border-top: 1px solid var(--line);
}

.page-about .about-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .about-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .about-hero__label {
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--mute);
}

/* ---------- 章节骨架 ---------- */

.page-about .about-sec {
  border-top: 1px solid var(--line);
  padding: clamp(42px, 6.6vw, 88px) 0 clamp(18px, 2.4vw, 30px);
}

.page-about .about-sec .section-head {
  margin-bottom: clamp(22px, 3.4vw, 42px);
}

.page-about .about-sec h2 {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.45rem, 2.7vw, 2.15rem);
  line-height: 1.28;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-about .about-sec .section-head__main p {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.05vw, 16.5px);
  line-height: 1.9;
  color: var(--mute);
}

.page-about .about-sec a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 227, 210, 0.4);
  transition: border-color var(--dur-fast) var(--ease);
}

.page-about .about-sec a:hover,
.page-about .about-sec a:focus-visible {
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 图片 ---------- */

.page-about .about-figure {
  position: relative;
  margin: clamp(24px, 3.8vw, 44px) 0 0;
  border: 1px solid var(--line);
  background: var(--layer);
  box-shadow: 0 28px 64px -34px rgba(0, 0, 0, 0.95);
}

.page-about .about-figure::after {
  content: "";
  position: absolute;
  left: 16px;
  bottom: -13px;
  width: 46%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(34, 227, 210, 0));
  pointer-events: none;
}

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

/* ---------- 时间轴 ---------- */

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: clamp(30px, 4.4vw, 52px) 0 0;
  padding: 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 10px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(34, 227, 210, 0.08));
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 clamp(22px, 3.2vw, 36px) clamp(20px, 3vw, 32px);
}

.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 227, 210, 0.13);
}

.page-about .about-timeline__year {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-about .about-timeline__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-cond);
  font-size: clamp(1.02rem, 1.7vw, 1.28rem);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-about .about-timeline__body p {
  margin: 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mute);
}

/* ---------- 双线分类 ---------- */

.page-about .about-lanes {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-about .about-lane {
  position: relative;
  padding: clamp(20px, 3vw, 32px) clamp(18px, 3vw, 34px);
  background: linear-gradient(135deg, var(--layer) 0%, rgba(12, 26, 38, 0.55) 100%);
  border-left: 3px solid var(--cyan);
}

.page-about .about-lane[data-tags~="牌路线"] {
  border-left-color: var(--magenta);
}

.page-about .about-lane__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.1rem, 1.9vw, 1.42rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-about .about-lane__intro {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: 15px;
  line-height: 1.88;
  color: var(--mute);
}

.page-about .about-lane__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-lane__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: clamp(11px, 1.6vw, 16px) 0;
  border-top: 1px solid var(--line);
}

.page-about .about-lane__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.page-about .about-lane[data-tags~="牌路线"] .about-lane__k {
  color: var(--magenta);
}

.page-about .about-lane__v {
  font-size: 15px;
  line-height: 1.88;
  color: var(--mute);
}

.page-about .about-lane__foot {
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding-top: clamp(12px, 1.8vw, 16px);
  border-top: 1px dashed var(--line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.82;
}

/* ---------- 规则流程 ---------- */

.page-about .about-steps {
  border-top: 1px solid var(--line);
}

.page-about .about-steps .disclosure__item {
  border-bottom: 1px solid var(--line);
}

.page-about .about-steps .disclosure__btn {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 22px);
  width: 100%;
  padding: clamp(16px, 2.4vw, 24px) 0;
  background: none;
  border: 0;
  color: var(--paper);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: color var(--dur-fast) var(--ease);
}

.page-about .about-steps .disclosure__btn:hover,
.page-about .about-steps .disclosure__btn:focus-visible {
  color: var(--cyan-soft);
}

.page-about .about-steps__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .about-steps__title {
  flex: 1 1 auto;
  font-family: var(--font-cond);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.page-about .about-steps .disclosure__icon {
  flex: 0 0 auto;
  color: var(--cyan);
}

.page-about .about-steps .disclosure__body {
  max-width: 66ch;
  padding: 0 clamp(0px, 1vw, 14px) clamp(18px, 2.6vw, 28px) clamp(28px, 4vw, 48px);
  font-size: 15.5px;
  line-height: 1.92;
  color: var(--mute);
}

.page-about .about-steps .disclosure__body p {
  margin: 0;
}

/* ---------- 团队 ---------- */

.page-about .about-team {
  display: grid;
  gap: 0;
}

.page-about .about-team__row {
  display: grid;
  gap: 10px;
  padding: clamp(16px, 2.4vw, 26px) 0;
  border-top: 1px solid var(--line);
}

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

.page-about .about-team__mark {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--magenta);
}

.page-about .about-team__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-cond);
  font-size: clamp(1.02rem, 1.7vw, 1.24rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .about-team__body p {
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mute);
}

.page-about .about-team__tail {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  max-width: 70ch;
  padding-left: clamp(14px, 2vw, 22px);
  border-left: 2px solid var(--amber);
  font-size: 15px;
  line-height: 1.9;
  color: var(--mute);
}

/* ---------- 服务与联络 ---------- */

.page-about .about-contact {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-about .about-contact__item {
  padding-top: clamp(14px, 2vw, 20px);
  border-top: 2px solid var(--line);
  min-width: 0;
}

.page-about .about-contact__item:nth-child(1) {
  border-top-color: var(--cyan);
}

.page-about .about-contact__item:nth-child(2) {
  border-top-color: var(--amber);
}

.page-about .about-contact__item:nth-child(3) {
  border-top-color: var(--magenta);
}

.page-about .about-contact__key {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--mute);
}

.page-about .about-contact .copy-chip {
  max-width: 100%;
}

.page-about .about-contact .copy-chip__val {
  word-break: break-all;
}

.page-about .about-contact__addr {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
}

.page-about .about-contact__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mute);
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 3.8vw, 42px);
}

.page-about .about-cta__note {
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mute);
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-lane__list li {
    grid-template-columns: minmax(120px, 168px) 1fr;
    gap: 4px clamp(16px, 2.4vw, 28px);
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-about .about-team__row {
    grid-template-columns: 152px minmax(0, 1fr);
    gap: clamp(16px, 3vw, 40px);
    align-items: start;
  }

  .page-about .about-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-about .about-hero__title {
    max-width: 26ch;
  }

  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: clamp(12px, 2vw, 28px);
    align-items: start;
  }

  .page-about .about-timeline__year {
    margin-bottom: 0;
    padding-top: 2px;
  }
}

@media (max-width: 480px) {
  .page-about .about-hero__facts {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .page-about .about-lane {
    padding-left: 16px;
    padding-right: 16px;
  }
}
<<<END>>>