/* ===== 品牌介绍页 · 专属样式 ===== */
.page-about {
  --about-accent: var(--nebula);
  --about-soft: rgba(124, 92, 255, 0.12);
  --about-line: rgba(245, 243, 238, 0.10);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: 40px 0 24px;
}

.page-about .about-hero__inner {
  display: grid;
  gap: 28px;
}

.page-about .about-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 8px;
}

.page-about .about-hero__titlewrap {
  position: relative;
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2.5rem, 11.5vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--warm);
  background: linear-gradient(120deg, var(--warm) 34%, var(--lilac) 78%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.page-about .about-hero__lead {
  max-width: 60ch;
  color: var(--silver);
  font-size: var(--fs-1);
  line-height: 1.8;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-about .about-hero__visual {
  position: relative;
  border-radius: var(--radius-l);
  border: 1px solid var(--about-line);
  background:
    radial-gradient(circle at 62% 32%, rgba(124, 92, 255, 0.32), transparent 62%),
    radial-gradient(circle at 24% 78%, rgba(53, 224, 214, 0.20), transparent 60%),
    var(--galaxy);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

.page-about .about-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--star) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
  opacity: 0.7;
}

.page-about .about-hero__img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 章节通用 ---------- */
.page-about .about-sec {
  position: relative;
  padding: 52px 0;
}

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

.page-about .about-sec__head {
  position: relative;
  padding-top: 34px;
  margin-bottom: 30px;
}

.page-about .about-sec__num {
  position: absolute;
  top: -12px;
  left: -6px;
  font-family: var(--font-mono);
  font-size: 5.2rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(124, 92, 255, 0.16);
  pointer-events: none;
  user-select: none;
}

.page-about .about-sec--team .about-sec__num { color: rgba(53, 224, 214, 0.16); }
.page-about .about-sec--road .about-sec__num { color: rgba(255, 178, 63, 0.18); }
.page-about .about-sec--eco .about-sec__num { color: rgba(53, 224, 214, 0.16); }
.page-about .about-sec--principle .about-sec__num { color: rgba(255, 178, 63, 0.18); }
.page-about .about-sec--record .about-sec__num { color: rgba(124, 92, 255, 0.16); }

.page-about .about-sec__tag {
  margin: 0 0 10px;
}

.page-about .about-sec__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.65rem, 6.6vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--warm);
}

.page-about .about-sec__sub {
  margin: 10px 0 0;
  color: var(--silver);
  font-size: 0.98rem;
  line-height: 1.7;
  max-width: 52ch;
}

/* ---------- 01 起点 ---------- */
.page-about .about-split {
  display: grid;
  gap: 24px;
}

.page-about .about-facts {
  display: grid;
  gap: 12px;
  padding: 20px 20px 20px 18px;
  border: 1px solid var(--about-line);
  border-left: 4px solid var(--nebula);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.12), transparent 78%), var(--galaxy);
}

.page-about .about-facts__row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
}

.page-about .about-facts__num {
  flex: 0 0 auto;
  min-width: 5ch;
  font-size: 1.32rem;
  font-weight: 700;
  color: var(--lilac);
  letter-spacing: 0.01em;
}

.page-about .about-facts__label {
  color: var(--silver);
  font-size: 0.92rem;
  line-height: 1.6;
}

.page-about .about-split__body p {
  margin: 0 0 16px;
  color: #DDD9E8;
  line-height: 1.85;
}

.page-about .about-split__body p:last-child {
  margin-bottom: 0;
}

.page-about .about-split__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 02 团队 ---------- */
.page-about .about-team {
  display: grid;
  gap: 28px;
}

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

.page-about .about-team__frame {
  border-radius: var(--radius-m);
  border: 1px solid var(--about-line);
  background:
    radial-gradient(circle at 50% 45%, rgba(53, 224, 214, 0.16), transparent 66%),
    var(--galaxy);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

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

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

.page-about .about-team__item {
  padding: 18px 18px 18px 20px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-m);
  background: var(--galaxy);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .about-team__item:nth-child(1) { border-left: 4px solid var(--nebula); }
.page-about .about-team__item:nth-child(2) { border-left: 4px solid var(--cyan); }
.page-about .about-team__item:nth-child(3) { border-left: 4px solid var(--amber); }
.page-about .about-team__item:nth-child(4) { border-left: 4px solid var(--warm); }

.page-about .about-team__item:hover {
  transform: translateX(4px);
  border-color: rgba(245, 243, 238, 0.22);
}

.page-about .about-team__name {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.06rem;
  color: var(--warm);
  letter-spacing: -0.01em;
}

.page-about .about-team__desc {
  margin: 0;
  color: var(--silver);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-about .about-team__desc a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 03 版本 ---------- */
.page-about .about-tl {
  list-style: none;
  margin: 0 0 34px;
  padding: 0 0 0 30px;
  position: relative;
  display: grid;
  gap: 26px;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--nebula), var(--cyan) 52%, var(--amber));
  opacity: 0.6;
}

.page-about .about-tl__item {
  position: relative;
  padding: 16px 18px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-m);
  background: var(--galaxy);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .about-tl__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-panel);
}

.page-about .about-tl__dot {
  position: absolute;
  left: -30px;
  top: 20px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--nebula);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.14);
  transition: box-shadow 0.3s var(--ease);
}

.page-about .about-tl__item--cyan .about-tl__dot {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 214, 0.14);
}

.page-about .about-tl__item--amber .about-tl__dot {
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 178, 63, 0.14);
}

.page-about .about-tl__item--warm .about-tl__dot {
  border-color: var(--warm);
  box-shadow: 0 0 0 4px rgba(245, 243, 238, 0.12);
}

.page-about .about-tl__item:hover .about-tl__dot {
  box-shadow: 0 0 0 7px rgba(124, 92, 255, 0.22);
}

.page-about .about-tl__item--cyan:hover .about-tl__dot { box-shadow: 0 0 0 7px rgba(53, 224, 214, 0.22); }
.page-about .about-tl__item--amber:hover .about-tl__dot { box-shadow: 0 0 0 7px rgba(255, 178, 63, 0.22); }
.page-about .about-tl__item--warm:hover .about-tl__dot { box-shadow: 0 0 0 7px rgba(245, 243, 238, 0.18); }

.page-about .about-tl__stage {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lilac);
}

.page-about .about-tl__title {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.04rem;
  line-height: 1.4;
  color: var(--warm);
}

.page-about .about-tl__text {
  margin: 0;
  color: var(--silver);
  font-size: 0.93rem;
  line-height: 1.8;
}

.page-about .about-tl__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-tl__more {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--about-line);
  color: rgba(168, 176, 196, 0.72);
  font-size: 0.86rem;
  line-height: 1.7;
  opacity: 0.72;
  transition: opacity 0.3s var(--ease), color 0.3s var(--ease);
}

.page-about .about-tl__item:hover .about-tl__more {
  opacity: 1;
  color: var(--warm);
}

.page-about .about-cycles {
  padding: 20px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-m);
  background: linear-gradient(120deg, rgba(255, 178, 63, 0.10), transparent 70%), var(--galaxy);
}

.page-about .about-cycles__caption {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--lilac);
}

.page-about .about-cycles__row {
  display: grid;
  grid-template-columns: 62px 1fr auto;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-about .about-cycles__row:last-child {
  margin-bottom: 0;
}

.page-about .about-cycles__label {
  color: var(--silver);
  font-size: 0.86rem;
}

.page-about .about-cycles__track {
  position: relative;
  display: block;
  height: 10px;
  border-radius: 5px;
  background: var(--mist);
  overflow: hidden;
}

.page-about .about-cycles__fill {
  display: block;
  height: 100%;
  border-radius: 5px;
}

.page-about .about-cycles__fill--long {
  width: 100%;
  background: linear-gradient(90deg, rgba(124, 92, 255, 0.5), var(--nebula));
}

.page-about .about-cycles__fill--short {
  width: 50%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

.page-about .about-cycles__num {
  min-width: 5ch;
  text-align: right;
  color: var(--warm);
  font-size: 0.94rem;
  font-weight: 700;
}

.page-about .about-cycles__num--hot {
  color: var(--amber);
}

.page-about .about-road__figure {
  margin: 26px 0 0;
}

.page-about .about-road__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  border: 1px solid var(--about-line);
  object-fit: cover;
}

.page-about .about-road__figure .media__caption {
  margin-top: 10px;
}

/* ---------- 04 生态 ---------- */
.page-about .about-eco {
  display: grid;
  gap: 18px;
}

.page-about .about-eco__panel {
  padding: 24px 22px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-m);
  background: var(--galaxy);
  box-shadow: var(--shadow-panel);
}

.page-about .about-eco__panel--content {
  background: linear-gradient(160deg, rgba(53, 224, 214, 0.14), transparent 72%), var(--galaxy);
  border-top: 4px solid var(--cyan);
}

.page-about .about-eco__panel--tech {
  background: linear-gradient(160deg, rgba(124, 92, 255, 0.16), transparent 72%), var(--galaxy);
  border-top: 4px solid var(--nebula);
}

.page-about .about-eco__figure {
  margin: 0 0 8px;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--warm);
}

.page-about .about-eco__panel--content .about-eco__figure { color: var(--cyan); }
.page-about .about-eco__panel--tech .about-eco__figure { color: var(--lilac); }

.page-about .about-eco__title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--warm);
}

.page-about .about-eco__text {
  margin: 0;
  color: var(--silver);
  font-size: 0.94rem;
  line-height: 1.85;
}

.page-about .about-eco__note {
  padding: 18px 20px;
  border: 1px dashed var(--about-line);
  border-radius: var(--radius-m);
  background: rgba(28, 36, 71, 0.5);
}

.page-about .about-eco__note p {
  margin: 0;
  color: var(--silver);
  font-size: 0.94rem;
  line-height: 1.85;
}

.page-about .about-eco__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 05 做事方式 ---------- */
.page-about .about-pillars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-pillars__item {
  position: relative;
  padding: 26px 22px 22px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-m);
  background: var(--galaxy);
}

.page-about .about-pillars__item--nebula { border-bottom: 4px solid var(--nebula); }
.page-about .about-pillars__item--cyan { border-bottom: 4px solid var(--cyan); }
.page-about .about-pillars__item--amber { border-bottom: 4px solid var(--amber); }

.page-about .about-pillars__idx {
  display: block;
  margin-bottom: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: rgba(201, 194, 240, 0.8);
}

.page-about .about-pillars__item--cyan .about-pillars__idx { color: rgba(53, 224, 214, 0.8); }
.page-about .about-pillars__item--amber .about-pillars__idx { color: rgba(255, 178, 63, 0.8); }

.page-about .about-pillars__title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.12rem;
  color: var(--warm);
}

.page-about .about-pillars__text {
  margin: 0;
  color: var(--silver);
  font-size: 0.94rem;
  line-height: 1.85;
}

.page-about .about-pillars__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 06 归属与备案 ---------- */
.page-about .about-record {
  display: grid;
  gap: 20px;
  padding: 24px 22px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(124, 92, 255, 0.12), transparent 68%), var(--galaxy);
}

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

.page-about .about-record__row {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--about-line);
}

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

.page-about .about-record__key {
  margin: 0;
  color: var(--silver);
  font-size: 0.9rem;
}

.page-about .about-record__val {
  margin: 0;
  color: var(--warm);
  font-size: 0.94rem;
  line-height: 1.7;
}

.page-about .about-record__val a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-record__note {
  margin: 0;
  color: var(--silver);
  font-size: 0.92rem;
  line-height: 1.85;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-about .about-hero {
    padding: 56px 0 32px;
  }

  .page-about .about-sec {
    padding: 64px 0;
  }

  .page-about .about-sec__num {
    font-size: 6.2rem;
    top: -16px;
  }

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

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

  .page-about .about-eco__note {
    grid-column: 1 / -1;
  }

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

  .page-about .about-record {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-about .about-hero {
    padding: 76px 0 48px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 48px;
  }

  .page-about .about-hero__title {
    font-size: clamp(3.2rem, 5.4vw, 4.6rem);
  }

  .page-about .about-hero__vnote {
    display: block;
    position: absolute;
    right: -34px;
    top: 6px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.24em;
    color: var(--lilac);
    opacity: 0.72;
  }

  .page-about .about-hero__visual {
    align-self: stretch;
  }

  .page-about .about-sec {
    padding: 84px 0;
  }

  .page-about .about-sec__head {
    padding-top: 44px;
    margin-bottom: 38px;
    padding-left: 96px;
  }

  .page-about .about-sec__num {
    font-size: 6rem;
    top: -6px;
    left: 0;
  }

  .page-about .about-split {
    grid-template-columns: minmax(220px, 0.34fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .about-tl {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    padding-left: 0;
    margin-bottom: 40px;
  }

  .page-about .about-tl::before {
    left: 0;
    right: 0;
    top: 7px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--nebula), var(--cyan) 55%, var(--amber));
  }

  .page-about .about-tl__item {
    padding: 26px 18px 20px;
  }

  .page-about .about-tl__dot {
    left: 0;
    top: 0;
  }

  .page-about .about-eco__panel {
    padding: 30px 26px;
  }

  .page-about .about-pillars {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-record {
    padding: 30px 28px;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1280px) {
  .page-about .about-sec__num {
    font-size: 6.6rem;
  }

  .page-about .about-cycles {
    padding: 24px 26px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__item,
  .page-about .about-tl__item,
  .page-about .about-tl__dot,
  .page-about .about-tl__more {
    transition: none;
  }

  .page-about .about-team__item:hover,
  .page-about .about-tl__item:hover {
    transform: none;
  }
}