/* ===== 品牌档案页专属样式 ===== */
.page-about {
  --about-line-soft: rgba(139, 147, 167, 0.15);
  --about-glow-blue: rgba(0, 212, 255, 0.18);
  --about-glow-purple: rgba(155, 89, 182, 0.18);
  --about-gold-glow: rgba(255, 215, 0, 0.14);
}

.page-about .breadcrumb {
  padding-top: 1.15rem;
}

/* ---- Hero ---- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -4rem;
  top: 8%;
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  background: radial-gradient(circle, var(--about-glow-purple), transparent 68%);
  filter: blur(12px);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  padding: 2.5rem 0 4.5rem;
}

.page-about .about-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.1rem;
  color: var(--color-blue);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
}

.page-about .about-hero__kicker::before {
  content: "";
  width: 2.2rem;
  height: 2px;
  background: var(--gradient-bright);
}

.page-about .about-hero h1 {
  margin: 0 0 1.4rem;
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 7vw, 4.1rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.page-about .about-hero h1 span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.62em;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: transparent;
  background: var(--gradient-bright);
  -webkit-background-clip: text;
  background-clip: text;
}

.page-about .about-hero__desc {
  max-width: 42em;
  margin: 0 0 2.1rem;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.95;
}

.page-about .about-hero__desc strong {
  color: var(--color-text);
  font-weight: 650;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

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

.page-about .about-hero__clip {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(155, 89, 182, 0.12));
  clip-path: polygon(0 0, 100% 8%, 100% 100%, 0 86%);
  border-radius: var(--radius-lg);
}

.page-about .about-hero__clip::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(0, 212, 255, 0.08) 0%, transparent 34%),
    linear-gradient(315deg, rgba(155, 89, 182, 0.14) 0%, transparent 52%);
}

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

.page-about .about-hero__badge {
  position: absolute;
  left: 1.1rem;
  bottom: 2.1rem;
  z-index: 2;
  padding: 0.62rem 0.9rem;
  background: var(--color-gold);
  color: #0a0e17;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  box-shadow: 0 0 26px var(--about-gold-glow);
}

/* ---- 品牌简介 ---- */
.page-about .about-intro {
  padding: 3.75rem 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .grid-editorial {
  display: grid;
  gap: 2.5rem;
}

.page-about .about-intro__aside {
  margin-bottom: 0.5rem;
  padding-left: 1.2rem;
  border-left: 3px solid rgba(155, 89, 182, 0.65);
  color: var(--color-muted);
  font-size: 0.96rem;
  line-height: 1.8;
}

.page-about .about-aside__num {
  margin-bottom: 0.55rem;
  color: var(--color-purple);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
}

.page-about .about-intro__main h2 {
  margin: 0.45rem 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4vw, 2.5rem);
  line-height: 1.25;
  color: var(--color-text);
}

.page-about .about-intro__main > p:not(.section-kicker) {
  max-width: 64ch;
  margin-bottom: 1rem;
  color: var(--color-muted);
  font-size: 0.98rem;
  line-height: 1.9;
}

.page-about .about-intro__main .section-kicker + p {
  color: var(--color-text);
}

.page-about .about-fact-list {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-about .about-fact {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1.05rem;
  background: var(--color-card);
  border: 1px solid var(--about-line-soft);
  border-radius: var(--radius-md);
  color: var(--color-muted);
  font-size: 0.92rem;
}

.page-about .about-fact .mono {
  min-width: 4em;
  color: var(--color-blue);
  font-weight: 700;
  font-size: 1.02rem;
}

/* ---- 发展历程 ---- */
.page-about .about-journey {
  padding: 4rem 0;
  background: linear-gradient(180deg, rgba(26, 31, 46, 0.4), rgba(10, 14, 23, 0));
}

.page-about .section-head h2 {
  margin: 0.45rem 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4vw, 2.5rem);
  line-height: 1.25;
  color: var(--color-text);
}

.page-about .about-journey__grid {
  margin-top: 2.6rem;
  display: grid;
  gap: 2.5rem;
}

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

.page-about .about-timeline__item {
  position: relative;
  margin-bottom: 1.25rem;
  padding: 1.3rem 1.35rem 1.3rem 3.1rem;
  background: rgba(26, 31, 46, 0.62);
  border: 1px solid var(--about-line-soft);
  border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg);
  transition: transform 0.3s var(--ease-main), border-color 0.3s var(--ease-main), background 0.3s var(--ease-main);
}

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

.page-about .about-timeline__item:hover {
  transform: translateX(6px);
  border-color: rgba(0, 212, 255, 0.45);
  background: rgba(26, 31, 46, 0.92);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 1.22rem;
  top: 1.45rem;
  bottom: -1.25rem;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.6), rgba(155, 89, 182, 0.45));
}

.page-about .about-timeline__item:last-child::before {
  display: none;
}

.page-about .about-timeline__dot {
  position: absolute;
  left: 1.03rem;
  top: 1.5rem;
  z-index: 1;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--color-blue);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.14), 0 0 18px rgba(0, 212, 255, 0.55);
}

.page-about .about-timeline__date {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-purple);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-about .about-timeline__title {
  margin: 0 0 0.5rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.4;
}

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

.page-about .about-journey__media {
  display: grid;
  place-items: center;
  padding: 0.5rem;
}

.page-about .about-journey__media img {
  display: block;
  max-width: 170px;
  height: auto;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.35);
  box-shadow: 0 0 48px var(--about-glow-blue);
}

/* ---- 资质认证 ---- */
.page-about .about-credential {
  padding: 4rem 0 3.75rem;
}

.page-about .about-credential__grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.6rem;
}

.page-about .about-credential__card {
  position: relative;
  overflow: hidden;
  min-height: 200px;
  padding: 1.55rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.8rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #151b2b, #1a1f2e);
  border: 1px solid var(--about-line-soft);
}

.page-about .about-credential__card::after {
  content: "";
  position: absolute;
  right: -2.4rem;
  bottom: -2.6rem;
  width: 8rem;
  height: 8rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.16), transparent 70%);
  pointer-events: none;
}

.page-about .about-credential__card .tag {
  margin-bottom: 0.4rem;
}

.page-about .about-credential__value {
  margin: 0;
  font-size: clamp(1.85rem, 4.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-blue);
  word-break: break-word;
}

.page-about .about-credential__value--gold {
  color: var(--color-gold);
}

.page-about .about-credential__value--purple {
  color: #b06ad0;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
}

.page-about .about-credential__text {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ---- 服务能力 ---- */
.page-about .about-capability {
  padding: 3.5rem 0 5rem;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 2.6rem 0;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.45rem 1.2rem;
  background: var(--color-card);
  border: 1px solid var(--about-line-soft);
  border-radius: var(--radius-lg);
}

.page-about .about-stat__num {
  color: var(--color-blue);
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-about .about-stat__label {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.page-about .about-capability__chart {
  margin: 0 0 2.75rem;
  padding: 1rem;
  background: rgba(26, 31, 46, 0.5);
  border: 1px solid var(--about-line-soft);
  border-radius: var(--radius-lg);
}

.page-about .about-capability__chart img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.page-about .about-capability__chart figcaption {
  padding-top: 0.8rem;
  color: var(--color-muted);
  font-size: 0.85rem;
  text-align: center;
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.6rem;
  background: linear-gradient(120deg, rgba(0, 212, 255, 0.08), rgba(155, 89, 182, 0.08));
  border: 1px solid rgba(0, 212, 255, 0.22);
  border-radius: var(--radius-lg);
}

.page-about .about-cta__title {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.08rem;
}

/* ---- 响应式增强 ---- */
@media (min-width: 640px) {
  .page-about .about-fact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-about .about-credential__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 4rem;
    padding: 4rem 0 5.5rem;
  }

  .page-about .about-intro {
    padding: 5rem 0;
  }

  .page-about .grid-editorial {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr);
    align-items: start;
    gap: 4rem;
  }

  .page-about .about-journey__grid {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: center;
    gap: 3rem;
  }

  .page-about .about-journey__media img {
    max-width: 200px;
  }

  .page-about .about-capability {
    padding-top: 4.5rem;
  }
}