.page-about {
  display: block;
  background: var(--ink-deep);
  color: var(--silver);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(48px, 8vw, 92px) 0 clamp(52px, 8vw, 96px);
  background:
    radial-gradient(120% 100% at 6% -10%, rgba(37, 216, 199, .16), transparent 60%),
    linear-gradient(165deg, var(--ink) 0%, var(--ink-deep) 78%);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  left: -14%;
  right: -14%;
  bottom: -84px;
  height: 156px;
  background: var(--orange);
  opacity: .11;
  transform: rotate(-3.4deg);
  pointer-events: none;
}

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

.page-about .breadcrumbs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0 0 30px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-about .breadcrumbs__item {
  color: rgba(217, 226, 240, .55);
}

.page-about .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin: 0 9px;
  color: rgba(217, 226, 240, .3);
}

.page-about .breadcrumbs__item a {
  color: rgba(217, 226, 240, .78);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-about .breadcrumbs__item a:hover,
.page-about .breadcrumbs__item a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
}

.page-about .about-hero__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-hero__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.8vw, 74px);
  line-height: 1.02;
  letter-spacing: -.015em;
  color: var(--white);
  text-wrap: balance;
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--orange);
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
  color: rgba(217, 226, 240, .86);
}

.page-about .about-hero__facts {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .hero-fact {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-s);
  background: rgba(22, 28, 43, .66);
}

.page-about .hero-fact:nth-child(2) {
  border-left-color: var(--orange);
}

.page-about .hero-fact:nth-child(3) {
  border-left-color: var(--amber);
}

.page-about .hero-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.3vw, 27px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--white);
  flex: 0 0 auto;
}

.page-about .hero-fact__label {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(217, 226, 240, .72);
}

/* ---------- 横向主题带 ---------- */
.page-about .strip {
  overflow: hidden;
  padding: 11px 0;
  background: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .strip__track {
  display: flex;
  width: max-content;
  animation: about-strip 46s linear infinite;
}

.page-about .strip:hover .strip__track,
.page-about .strip:focus-within .strip__track {
  animation-play-state: paused;
}

.page-about .strip__item {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  white-space: nowrap;
  color: rgba(217, 226, 240, .7);
}

.page-about .strip__item + .strip__item::before {
  content: "·";
  margin: 0 22px;
  color: var(--orange);
}

@keyframes about-strip {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .strip__track { animation: none; }
}

/* ---------- 通用标题 ---------- */
.page-about .about-head {
  max-width: 66ch;
  margin-bottom: clamp(28px, 4.5vw, 48px);
}

.page-about .about-head__idx {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-about .about-head__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.5vw, 44px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-about .about-head__lead {
  margin: 0;
  font-size: clamp(15px, 1.05vw, 16.5px);
  line-height: 1.85;
  color: rgba(217, 226, 240, .82);
}

/* ---------- 起点 ---------- */
.page-about .about-origin {
  padding: clamp(56px, 9vw, 112px) 0;
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(37, 216, 199, .09), transparent 62%),
    var(--ink-deep);
}

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-about .about-origin__body {
  margin: 18px 0 0;
  font-size: clamp(15px, 1.05vw, 16.5px);
  line-height: 1.85;
  color: rgba(217, 226, 240, .8);
}

.page-about .about-origin__points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-origin__points li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  color: rgba(217, 226, 240, .86);
}

.page-about .about-origin__points .mono {
  flex: 0 0 auto;
  min-width: 46px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
}

.page-about .about-figure {
  margin: 0;
  position: relative;
  border-radius: var(--r-l);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-base);
  box-shadow: var(--shadow-lift);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.92) contrast(1.04);
}

.page-about .about-figure__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 18px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  color: rgba(217, 226, 240, .9);
  background: linear-gradient(to top, rgba(8, 19, 38, .94), transparent);
}

/* ---------- 团队 ---------- */
.page-about .about-team-section {
  padding: clamp(56px, 9vw, 112px) 0;
  background:
    radial-gradient(80% 64% at 0% 100%, rgba(255, 107, 26, .1), transparent 62%),
    var(--violet);
}

.page-about .about-team__meter {
  display: flex;
  height: 20px;
  margin-bottom: clamp(22px, 3vw, 32px);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
}

.page-about .about-team__seg--a { flex: 18 1 0; background: var(--orange); }
.page-about .about-team__seg--b { flex: 12 1 0; background: var(--cyan); }
.page-about .about-team__seg--c { flex: 11 1 0; background: var(--amber); }
.page-about .about-team__seg--d { flex: 5 1 0; background: var(--silver); }

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

.page-about .about-team__card {
  padding: 22px 20px 24px;
  background: var(--panel-base);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .about-team__row {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .about-team__role {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: .01em;
  color: var(--white);
}

.page-about .about-team__count {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange);
}

.page-about .about-team__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(217, 226, 240, .78);
}

/* ---------- 信息链路 ---------- */
.page-about .about-flow {
  padding: clamp(56px, 9vw, 112px) 0;
  background: var(--ink-deep);
}

.page-about .about-flow__figure {
  position: relative;
  margin: 0 0 clamp(30px, 4.5vw, 48px);
  border-radius: var(--r-l);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-base);
}

.page-about .about-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-about .about-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 15px;
}

.page-about .about-step {
  position: relative;
  padding: 24px 22px 24px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--step-color, var(--cyan));
  border-radius: var(--r-m);
  background: rgba(22, 28, 43, .62);
  overflow: hidden;
}

.page-about .about-step:nth-child(1) { --step-color: var(--orange); }
.page-about .about-step:nth-child(2) { --step-color: var(--cyan); }
.page-about .about-step:nth-child(3) { --step-color: var(--amber); }
.page-about .about-step:nth-child(4) { --step-color: var(--orange); }

.page-about .about-step::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 30px 30px 0;
  border-color: transparent var(--step-color, var(--cyan)) transparent transparent;
  opacity: .5;
}

.page-about .about-step__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--step-color, var(--cyan));
}

.page-about .about-step__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2vw, 24px);
  letter-spacing: .01em;
  color: var(--white);
}

.page-about .about-step__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(217, 226, 240, .8);
}

/* ---------- 赛事类别 ---------- */
.page-about .about-events {
  padding: clamp(56px, 9vw, 112px) 0;
  background:
    radial-gradient(84% 70% at 100% 0%, rgba(14, 50, 56, .9), transparent 66%),
    var(--teal);
}

.page-about .about-cats {
  list-style: none;
  margin: 0 0 clamp(32px, 4.5vw, 48px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 17px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(8, 19, 38, .5);
  font-size: 14px;
  color: rgba(217, 226, 240, .82);
}

.page-about .about-cat--lineup {
  border-color: rgba(37, 216, 199, .5);
  color: var(--white);
  background: rgba(37, 216, 199, .09);
}

.page-about .about-cat__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  flex: 0 0 auto;
}

.page-about .about-events__notes {
  display: grid;
  gap: 16px;
}

.page-about .about-note {
  padding: 22px 20px;
  border-radius: var(--r-m);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  background: rgba(8, 19, 38, .52);
}

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

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

.page-about .about-note__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: .01em;
  color: var(--white);
}

.page-about .about-note__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: rgba(217, 226, 240, .8);
}

/* ---------- 时间线 ---------- */
.page-about .about-milestones {
  position: relative;
  padding: 0 0 clamp(56px, 9vw, 112px);
  background: linear-gradient(158deg, var(--wine) 0%, #35101F 52%, var(--ink-deep) 100%);
  overflow: hidden;
}

.page-about .about-tl__banner {
  margin: 0 0 clamp(44px, 7vw, 76px);
  line-height: 0;
}

.page-about .about-tl__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  opacity: .58;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .95) 40%, transparent 100%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .95) 40%, transparent 100%);
}

.page-about .about-head--onwine {
  margin-bottom: clamp(28px, 4.5vw, 48px);
}

.page-about .about-tl {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 68ch;
}

.page-about .about-tl__item {
  position: relative;
  padding: 0 0 34px 32px;
  border-left: 1px dashed rgba(245, 185, 70, .5);
}

.page-about .about-tl__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(245, 185, 70, .18);
}

.page-about .about-tl__year {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-about .about-tl__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.1vw, 25px);
  letter-spacing: .01em;
  color: var(--white);
}

.page-about .about-tl__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(217, 226, 240, .8);
}

/* ---------- 规范运营 ---------- */
.page-about .about-operations {
  padding: clamp(56px, 9vw, 112px) 0;
  background: var(--ink-deep);
}

.page-about .about-proof {
  display: grid;
  gap: 16px;
}

.page-about .about-proof__card {
  padding: 26px 22px 28px;
  border-radius: var(--r-m);
  border: 1px solid var(--line);
  background: rgba(22, 28, 43, .7);
}

.page-about .about-proof__card--wide {
  border-top: 3px solid var(--orange);
}

.page-about .about-proof__card--narrow {
  border-top: 3px solid var(--cyan);
}

.page-about .about-proof__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: .01em;
  color: var(--white);
}

.page-about .about-proof__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(217, 226, 240, .8);
}

.page-about .about-proof__meta {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--amber);
}

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

.page-about .about-proof__links li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(217, 226, 240, .86);
}

.page-about .about-proof__links li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-proof__key {
  flex: 0 0 auto;
  min-width: 72px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(217, 226, 240, .55);
}

.page-about .about-proof__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 216, 199, .4);
  word-break: break-all;
}

.page-about .about-proof__links a:hover,
.page-about .about-proof__links a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  position: relative;
  padding: clamp(52px, 8vw, 96px) 0;
  background:
    linear-gradient(200deg, var(--ink) 0%, var(--ink-deep) 100%);
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-cta::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -40%;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 26, .22), transparent 68%);
  pointer-events: none;
}

.page-about .about-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 66ch;
}

.page-about .about-cta__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.6vw, 44px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-about .about-cta__text {
  margin: 0 0 28px;
  font-size: clamp(15px, 1.05vw, 16.5px);
  line-height: 1.85;
  color: rgba(217, 226, 240, .82);
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-cta__links .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-about .about-team__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .about-proof {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .about-proof__card--wide { grid-column: span 4; }
  .page-about .about-proof__card--narrow { grid-column: span 2; }
}

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, .85fr);
  }

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

  .page-about .about-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-tl {
    max-width: 74ch;
  }
}

@media (min-width: 1120px) {
  .page-about .about-hero {
    padding-top: clamp(72px, 7vw, 104px);
  }
}