.page-about{
  --about-green-line: rgba(0, 255, 163, 0.35);
  --about-blue-line: rgba(0, 200, 255, 0.32);
  --about-gold-line: rgba(255, 215, 0, 0.32);
  background: var(--ink);
  overflow-x: hidden;
}

/* ===== Hero 区域 ===== */
.page-about .about-hero{
  position: relative;
  padding: 28px 0 52px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(0, 200, 255, 0.07) 0%, transparent 52%),
    radial-gradient(900px 420px at 88% -8%, rgba(0, 255, 163, 0.1), transparent 60%);
  overflow: hidden;
}
.page-about .about-hero::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 22px, rgba(255, 255, 255, 0.028) 22px 23px),
    repeating-linear-gradient(0deg, transparent 0 22px, rgba(255, 255, 255, 0.028) 22px 23px);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 40%, rgba(0, 0, 0, 0.6));
  mask-image: linear-gradient(to right, transparent, #000 40%, rgba(0, 0, 0, 0.6));
}
.page-about .about-hero-grid{
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 12px;
}
@media (min-width: 900px){
  .page-about .about-hero{
    padding: 44px 0 80px;
  }
  .page-about .about-hero-grid{
    grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.9fr);
    gap: 56px;
    align-items: center;
  }
}
.page-about .about-hero-main .page-title{
  margin: 12px 0 18px;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.page-about .about-hero-main .lead{
  max-width: 780px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.8;
  border-left: 3px solid var(--neutron);
  padding-left: 18px;
  margin-bottom: 20px;
}
.page-about .about-hero-facts{
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 22px;
}
.page-about .hero-fact{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--muted);
}
.page-about .hero-fact-icon{
  color: var(--neutron);
  font-size: 0.6rem;
}
.page-about .about-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
@media (max-width: 600px){
  .page-about .about-hero-actions .btn{
    flex: 1 1 auto;
    justify-content: center;
  }
}

/* ===== Hero 指标卡 ===== */
.page-about .about-hero-card{
  position: relative;
  padding: 26px 22px;
  background: linear-gradient(145deg, rgba(20, 29, 51, 0.96), rgba(11, 15, 26, 0.72));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
}
.page-about .about-hero-card::after{
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70%;
  height: 120%;
  background: radial-gradient(circle, rgba(0, 255, 163, 0.16), transparent 70%);
  pointer-events: none;
}
.page-about .hero-card-label{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.page-about .hero-metrics{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.page-about .hero-metric-item{
  position: relative;
  padding: 14px 6px;
  text-align: center;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.page-about .hero-metric-item:hover{
  border-color: var(--about-green-line);
  background: rgba(0, 255, 163, 0.06);
}
.page-about .hero-metric-item span{
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.15rem, 4vw, 1.6rem);
  line-height: 1.2;
  color: var(--paper);
}
.page-about .hero-metric-item em{
  display: block;
  font-style: normal;
  font-size: 0.74rem;
  color: var(--muted);
  margin-top: 6px;
}
.page-about .hero-card-note{
  position: relative;
  z-index: 1;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--muted);
}

/* ===== 杂志式布局：目录 + 主内容 ===== */
.page-about .about-layout{
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding-top: 32px;
  padding-bottom: 8px;
}
@media (min-width: 1024px){
  .page-about .about-layout{
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-top: 48px;
  }
}
.page-about .about-toc-sticky{
  top: calc(var(--header-h) + 24px);
  position: sticky;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-about .about-toc-title{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.page-about .about-toc-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
}
@media (min-width: 1024px){
  .page-about .about-toc-list{
    flex-direction: column;
    gap: 0;
    border-left: 1px solid var(--line);
  }
}
.page-about .about-toc-list a{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  border-left: 2px solid transparent;
  transition: color 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.page-about .about-toc-list a:hover{
  color: var(--neutron);
  background: rgba(0, 255, 163, 0.05);
  border-left-color: var(--neutron);
}
@media (min-width: 1024px){
  .page-about .about-toc-list a{
    margin-left: -1px;
  }
}
.page-about .toc-index{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--pulse);
  opacity: 0.85;
}
.page-about .about-toc-links{
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.page-about .toc-side-link{
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}
.page-about .toc-side-link:hover{
  color: var(--paper);
}
@media (max-width: 1023.98px){
  .page-about .about-toc{
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .page-about .about-toc-sticky{
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 4px 0 12px;
  }
  .page-about .about-toc-title{
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .page-about .about-toc-list{
    flex-wrap: nowrap;
    flex-shrink: 0;
  }
  .page-about .about-toc-links{
    display: none;
  }
}
.page-about .about-content{
  display: flex;
  flex-direction: column;
  gap: clamp(56px, 8vw, 84px);
}

/* ===== 通用 Section 节奏 ===== */
.page-about .about-section{
  position: relative;
}
.page-about .about-section .section-head{
  margin-bottom: 32px;
}
.page-about .about-section .section-title{
  margin: 6px 0 10px;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.page-about .about-section .section-desc{
  max-width: 680px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 0;
}

/* ===== 发展历程时间线 ===== */
.page-about .timeline{
  position: relative;
  padding-left: 20px;
  margin-top: 24px;
}
.page-about .timeline-track{
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(0, 255, 163, 0.6), rgba(0, 200, 255, 0.35), rgba(255, 255, 255, 0.06));
  border-radius: 2px;
}
.page-about .timeline-item{
  position: relative;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 26px;
}
.page-about .timeline-item::before{
  content: "";
  position: absolute;
  left: -20px;
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--neutron);
  box-shadow: 0 0 0 4px rgba(0, 255, 163, 0.14);
}
.page-about .timeline-year{
  height: fit-content;
  padding: 11px 8px 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.96rem;
  text-align: center;
  color: var(--neutron);
  background: rgba(0, 255, 163, 0.08);
  border: 1px solid var(--about-green-line);
  border-radius: var(--radius-s);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), 50% 100%, 0 calc(100% - 9px));
}
.page-about .timeline-card{
  position: relative;
  padding: 22px 20px;
  background: linear-gradient(145deg, rgba(20, 29, 51, 0.92), rgba(11, 15, 26, 0.82));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease), transform 0.3s var(--ease);
}
.page-about .timeline-card::before{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(105deg, rgba(0, 255, 163, 0.07) 0%, transparent 30%, rgba(0, 200, 255, 0.05) 100%);
  clip-path: polygon(0 0, 92% 0, 100% 100%, 8% 100%);
}
.page-about .timeline-card::after{
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: linear-gradient(to bottom, var(--neutron), var(--pulse));
  border-radius: 0 3px 3px 0;
  opacity: 0.75;
}
.page-about .timeline-card h3{
  position: relative;
  margin: 8px 0 8px;
  font-size: 1.16rem;
  font-weight: 800;
}
.page-about .timeline-card p{
  position: relative;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
}
.page-about .timeline-stage{
  position: relative;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--pulse);
  text-transform: uppercase;
}
.page-about .timeline-item:hover .timeline-card{
  border-color: var(--about-green-line);
  background: linear-gradient(145deg, rgba(20, 29, 51, 1), rgba(11, 15, 26, 0.92));
  transform: translateX(4px);
}
.page-about .timeline-image{
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.page-about .timeline-image img,
.page-about .tech-feature-image img,
.page-about .team-image img{
  display: block;
  width: 100%;
  height: auto;
}

/* ===== 数据覆盖 ===== */
.page-about .coverage-strip{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}
@media (min-width: 760px){
  .page-about .coverage-strip{
    grid-template-columns: repeat(4, 1fr);
  }
}
.page-about .coverage-cell{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 16px;
  background: linear-gradient(150deg, rgba(20, 29, 51, 0.88), rgba(11, 15, 26, 0.82));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}
.page-about .coverage-cell::after{
  content: "";
  position: absolute;
  right: -20%;
  bottom: -40%;
  width: 80%;
  height: 90%;
  background: radial-gradient(circle, rgba(0, 200, 255, 0.08), transparent 70%);
  pointer-events: none;
}
.page-about .coverage-cell:first-child{
  border-color: rgba(0, 255, 163, 0.34);
  background: linear-gradient(150deg, rgba(0, 255, 163, 0.09), rgba(20, 29, 51, 0.9));
}
.page-about .coverage-cell:hover{
  border-color: rgba(0, 255, 163, 0.44);
  transform: translateY(-3px);
  background: rgba(20, 29, 51, 0.98);
}
.page-about .coverage-num{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.7rem;
  line-height: 1.1;
  color: var(--paper);
}
.page-about .coverage-num.is-gold{
  color: var(--gold);
}
.page-about .coverage-num.is-blue{
  color: var(--pulse);
}
.page-about .coverage-label{
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.page-about .coverage-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 24px;
}
@media (min-width: 900px){
  .page-about .coverage-grid{
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }
}
.page-about .coverage-copy h3{
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 0 14px;
}
.page-about .coverage-copy > p{
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.page-about .coverage-point{
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: rgba(255, 255, 255, 0.02);
}
.page-about .coverage-point .tag{
  flex-shrink: 0;
  margin-top: 2px;
}
.page-about .coverage-point p{
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* ===== 数据环形图 ===== */
.page-about .coverage-visual{
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 28px 16px;
  background: linear-gradient(135deg, rgba(20, 29, 51, 0.5), rgba(11, 15, 26, 0.85));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.page-about .coverage-ring-wrap{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: 100%;
}
.page-about .coverage-ring{
  order: 1;
  position: relative;
  width: 218px;
  height: 218px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-about .coverage-ring svg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.page-about .ring-base{
  opacity: 0.6;
}
.page-about .ring-seg{
  transition: stroke-width 0.35s var(--ease), filter 0.35s var(--ease);
}
.page-about .ring-seg-green{
  filter: drop-shadow(0 0 6px rgba(0, 255, 163, 0.35));
}
.page-about .ring-seg-blue{
  filter: drop-shadow(0 0 4px rgba(0, 200, 255, 0.3));
}
.page-about .ring-seg-gold{
  filter: drop-shadow(0 0 3px rgba(255, 215, 0, 0.3));
}
.page-about .ring-legend{
  order: 2;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 270px;
}
.page-about .legend-item{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: rgba(11, 15, 26, 0.6);
  color: var(--muted);
  font-size: 0.84rem;
  cursor: default;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}
.page-about .legend-dot{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.page-about .legend-item--green .legend-dot{
  background: var(--neutron);
  box-shadow: 0 0 8px rgba(0, 255, 163, 0.4);
}
.page-about .legend-item--blue .legend-dot{
  background: var(--pulse);
  box-shadow: 0 0 8px rgba(0, 200, 255, 0.4);
}
.page-about .legend-item--gold .legend-dot{
  background: var(--gold);
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.35);
}
.page-about .legend-item:hover{
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--paper);
}
.page-about .legend-item--green:hover ~ .coverage-ring .ring-seg-green{
  stroke-width: 19;
  filter: drop-shadow(0 0 10px rgba(0, 255, 163, 0.55));
}
.page-about .legend-item--blue:hover ~ .coverage-ring .ring-seg-blue{
  stroke-width: 19;
  filter: drop-shadow(0 0 10px rgba(0, 200, 255, 0.55));
}
.page-about .legend-item--gold:hover ~ .coverage-ring .ring-seg-gold{
  stroke-width: 19;
  filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.5));
}
.page-about .ring-center{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.page-about .ring-value{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.7rem;
  line-height: 1.2;
  color: var(--paper);
}
.page-about .ring-label{
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}
.page-about .coverage-note{
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 24px;
  padding: 18px 20px;
  background: rgba(0, 255, 163, 0.06);
  border-left: 3px solid var(--neutron);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}
.page-about .coverage-note p{
  margin: 0;
}
.page-about .coverage-note-icon{
  flex-shrink: 0;
  color: var(--neutron);
  font-size: 1rem;
  margin-top: 4px;
}

/* ===== 技术实力 ===== */
.page-about .tech-feature{
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 32px;
}
@media (min-width: 900px){
  .page-about .tech-feature{
    grid-template-columns: 1fr 1.15fr;
    gap: 48px;
    align-items: center;
  }
}
.page-about .tech-feature-copy h3{
  margin: 12px 0 14px;
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.4;
}
.page-about .tech-feature-copy p{
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 12px;
}
.page-about .tech-feature-image{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.page-about .tech-board{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 760px){
  .page-about .tech-board{
    grid-template-columns: repeat(3, 1fr);
  }
}
.page-about .tech-card{
  position: relative;
  padding: 24px 20px;
  background: linear-gradient(140deg, rgba(20, 29, 51, 0.92), rgba(11, 15, 26, 0.78));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.page-about .tech-card::before{
  content: "";
  position: absolute;
  top: -30%;
  left: -20%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 200, 255, 0.1), transparent 70%);
  pointer-events: none;
}
.page-about .tech-card:hover{
  border-color: rgba(0, 200, 255, 0.4);
  transform: translateY(-4px);
}
.page-about .tech-card-icon{
  display: inline-flex;
  color: var(--pulse);
  margin-bottom: 10px;
}
.page-about .tech-card-icon svg{
  width: 24px;
  height: 24px;
}
.page-about .tech-card h3{
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.5;
  margin: 10px 0 8px;
}
.page-about .tech-card p{
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.75;
  margin: 0;
}

/* ===== 团队与文化 ===== */
.page-about .team-wrap{
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 32px;
}
@media (min-width: 900px){
  .page-about .team-wrap{
    grid-template-columns: 0.85fr 1.15fr;
    gap: 40px;
    align-items: center;
  }
}
.page-about .team-image{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.page-about .team-copy p{
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 14px;
}
.page-about .team-roles{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 760px){
  .page-about .team-roles{
    grid-template-columns: repeat(3, 1fr);
  }
}
.page-about .role-panel{
  padding: 20px 18px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.page-about .role-panel:hover{
  border-color: rgba(0, 200, 255, 0.42);
  background: rgba(0, 200, 255, 0.06);
}
.page-about .role-index{
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--pulse);
  border: 1px solid rgba(0, 200, 255, 0.5);
  border-radius: 6px;
  margin-bottom: 12px;
}
.page-about .role-panel h3{
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 8px;
}
.page-about .role-panel p{
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

/* ===== 资质认证 ===== */
.page-about .credential-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 28px;
}
@media (min-width: 760px){
  .page-about .credential-grid{
    grid-template-columns: repeat(3, 1fr);
  }
}
.page-about .credential-card{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 26px 22px;
  background: linear-gradient(150deg, rgba(20, 29, 51, 0.92), rgba(11, 15, 26, 0.82));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.page-about .credential-card:hover{
  border-color: rgba(0, 255, 163, 0.4);
  transform: translateY(-4px);
}
.page-about .credential-card--highlight{
  border-color: rgba(0, 255, 163, 0.3);
  background: linear-gradient(150deg, rgba(0, 255, 163, 0.06), rgba(20, 29, 51, 0.9));
}
.page-about .credential-icon{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  color: var(--neutron);
  background: rgba(0, 255, 163, 0.08);
  border: 1px solid rgba(0, 255, 163, 0.2);
  border-radius: 14px;
}
.page-about .credential-icon svg{
  width: 32px;
  height: 32px;
}
.page-about .credential-card h3{
  font-size: 1.08rem;
  font-weight: 800;
  margin: 4px 0 0;
}
.page-about .credential-card p{
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.75;
  margin: 0;
  flex: 1;
}
.page-about .credential-foot{
  display: flex;
  flex-direction: column;
  gap: 18px;
  justify-content: space-between;
  align-items: flex-start;
  padding: 24px 0 4px;
  border-top: 1px solid var(--line);
}
@media (min-width: 760px){
  .page-about .credential-foot{
    flex-direction: row;
    align-items: center;
  }
}
.page-about .credential-foot-content h3{
  font-size: 1.12rem;
  font-weight: 800;
  margin: 0 0 8px;
}
.page-about .credential-foot-content p{
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
  max-width: 640px;
  margin: 0;
}

/* ===== 底部 CTA ===== */
.page-about .about-cta{
  padding-top: 8px;
  padding-bottom: 56px;
}
.page-about .about-cta-inner{
  display: flex;
  flex-direction: column;
  gap: 24px;
  justify-content: space-between;
  align-items: flex-start;
  padding: 34px 28px;
  background:
    radial-gradient(600px 200px at 90% 10%, rgba(0, 255, 163, 0.1), transparent 60%),
    linear-gradient(135deg, rgba(20, 29, 51, 0.95), rgba(11, 15, 26, 0.92));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (min-width: 760px){
  .page-about .about-cta-inner{
    flex-direction: row;
    align-items: center;
  }
}
.page-about .about-cta-copy h2{
  font-size: 1.45rem;
  font-weight: 900;
  line-height: 1.4;
  margin: 0 0 8px;
}
.page-about .about-cta-copy p{
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
  max-width: 560px;
}
.page-about .about-cta-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
@media (max-width: 480px){
  .page-about .about-cta-actions{
    width: 100%;
  }
  .page-about .about-cta-actions .btn{
    flex: 1 1 auto;
    justify-content: center;
  }
}