/* ===================== 关于易倍 页面专属样式 ===================== */
.page-about {
  --about-line: linear-gradient(90deg, var(--color-accent), var(--color-neon));
  background: var(--color-primary);
  color: var(--color-cream);
  overflow-x: hidden;
}

/* ---------- Intro 主题声明 ---------- */
.page-about__intro {
  position: relative;
  padding: var(--space-2xl) 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, #0D2C55 100%);
  overflow: hidden;
}

.page-about__intro::before {
  content: "";
  position: absolute;
  right: -18%;
  top: 20%;
  width: 55%;
  height: 130%;
  background: var(--color-accent);
  opacity: 0.1;
  transform: rotate(24deg) skewX(-6deg);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.page-about__intro::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -20%;
  width: 40%;
  height: 70%;
  background: var(--color-neon);
  opacity: 0.06;
  transform: rotate(-18deg);
  border-radius: var(--radius-pill);
  pointer-events: none;
}

.page-about__intro-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-2xl);
}

.page-about__intro-copy {
  max-width: 65ch;
}

.page-about__title {
  font-family: var(--font-headline);
  font-size: clamp(2.2rem, 9vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: var(--space-md) 0 var(--space-lg);
}

.page-about__title-accent {
  display: block;
  color: var(--color-accent);
  text-shadow: 0 0 32px rgba(255, 107, 53, 0.35);
}

.page-about__statement {
  max-width: 34em;
  line-height: 1.8;
  color: rgba(248, 245, 240, 0.85);
}

.page-about__intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.page-about__intro-meta span {
  display: inline-block;
  font-family: var(--font-headline);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 107, 53, 0.15);
  border: 1px solid rgba(255, 107, 53, 0.4);
  color: var(--color-accent);
}

.page-about__intro-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(57, 255, 20, 0.25);
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.45);
  transform: rotate(-1deg);
  object-fit: cover;
}

.page-about__slant {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -22px;
  height: 44px;
  background: linear-gradient(105deg,
    transparent 0%, transparent 12%,
    var(--color-accent) 12%, var(--color-accent) 22%,
    transparent 22%, transparent 30%,
    var(--color-neon) 30%, var(--color-neon) 34%,
    transparent 34%, transparent 100%);
  transform: skewY(-2deg);
  opacity: 0.55;
  pointer-events: none;
}

/* ---------- 章节标题组 ---------- */
.page-about__section-head {
  margin-bottom: var(--space-xl);
}

.page-about__section-head .section-kicker {
  color: var(--color-neon);
}

.page-about__section-head .section-title {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  color: var(--color-cream);
  margin-top: var(--space-sm);
}

.page-about__section-head .section-desc {
  color: rgba(248, 245, 240, 0.72);
  max-width: 46em;
  line-height: 1.75;
  margin-top: var(--space-sm);
}

/* ---------- 品牌定位 ---------- */
.page-about__mission {
  padding: var(--space-3xl) 0;
  background: var(--color-primary);
}

.page-about__mission-grid {
  display: grid;
  gap: var(--space-2xl);
}

.page-about__mission-lead {
  position: relative;
  background: var(--color-primary-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  border-left: 4px solid var(--color-accent);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.page-about__mission-lead::after {
  content: "";
  position: absolute;
  right: -20%;
  bottom: -40%;
  width: 50%;
  height: 100%;
  background: var(--color-accent);
  opacity: 0.06;
  transform: rotate(20deg);
  border-radius: var(--radius-sm);
}

.page-about__mission-quote {
  position: relative;
  z-index: 1;
  font-family: var(--font-headline);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  line-height: 1.6;
  color: var(--color-cream);
  margin: 0;
}

.page-about__values {
  display: grid;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
}

.page-about__value-item {
  background: var(--color-primary-dark);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  border: 1px solid rgba(57, 255, 20, 0.12);
  transition: border-color var(--ease-fast), transform var(--ease-base);
}

.page-about__value-item:hover {
  border-color: rgba(255, 107, 53, 0.5);
  transform: translateY(-2px);
}

.page-about__value-item dt {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-headline);
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
  color: var(--color-cream);
}

.page-about__value-num {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-neon);
  border: 1px solid var(--color-neon);
  border-radius: 50%;
  padding: 2px 6px;
  line-height: 1;
}

.page-about__value-item dd {
  margin: 0;
  color: rgba(248, 245, 240, 0.78);
  line-height: 1.75;
  font-size: 0.92rem;
}

/* ---------- 数据统计 ---------- */
.page-about__stats {
  background: var(--color-primary-dark);
  padding: var(--space-2xl) 0;
  border-top: 3px solid var(--color-accent);
  border-bottom: 3px solid rgba(57, 255, 20, 0.25);
}

.page-about__stats-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: center;
}

.page-about__stat-num {
  display: block;
  font-family: var(--font-headline);
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.1;
  color: var(--color-accent);
}

.page-about__stat-item--accent .page-about__stat-num {
  color: var(--color-neon);
}

.page-about__stat-label {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.85rem;
  color: rgba(248, 245, 240, 0.7);
  letter-spacing: 0.04em;
}

/* ---------- 发展里程碑 ---------- */
.page-about__milestones {
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.page-about__timeline {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: var(--space-sm);
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-neon));
  border-radius: var(--radius-pill);
  opacity: 0.35;
}

.page-about__timeline-item {
  position: relative;
  padding-bottom: var(--space-xl);
}

.page-about__timeline-item:last-child {
  padding-bottom: 0;
}

.page-about__timeline-dot {
  position: absolute;
  left: calc(-1 * var(--space-xl) + var(--space-sm) - 6px);
  top: 6px;
  width: 15px;
  height: 15px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(255, 107, 53, 0.18);
}

.page-about__timeline-year {
  font-family: var(--font-headline);
  font-size: 2rem;
  line-height: 1;
  color: var(--color-neon);
  margin-bottom: var(--space-sm);
  text-shadow: 0 0 20px rgba(57, 255, 20, 0.25);
}

.page-about__timeline-card {
  background: rgba(11, 31, 58, 0.88);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  border-left: 3px solid var(--color-accent);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.page-about__timeline-card h3 {
  font-size: 1.05rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-cream);
}

.page-about__timeline-card p {
  margin: 0;
  color: rgba(248, 245, 240, 0.76);
  line-height: 1.7;
  font-size: 0.92rem;
}

.page-about__timeline-figure {
  margin: var(--space-2xl) 0 0;
  max-width: 520px;
}

.page-about__timeline-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 107, 53, 0.3);
  object-fit: cover;
}

.page-about__timeline-figure figcaption {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: rgba(248, 245, 240, 0.65);
}

/* ---------- 资质与认证 ---------- */
.page-about__credentials {
  padding: var(--space-3xl) 0;
  background: var(--color-primary);
}

.page-about__credentials-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

.page-about__credential-card {
  position: relative;
  overflow: hidden;
  background: var(--color-primary-dark);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  border: 1px solid rgba(255, 107, 53, 0.18);
}

.page-about__credential-card::after {
  content: "";
  position: absolute;
  right: -30%;
  bottom: -50%;
  width: 60%;
  height: 100%;
  background: var(--color-primary);
  transform: rotate(24deg);
  opacity: 0.5;
  border-radius: var(--radius-sm);
}

.page-about__credential-card:hover {
  border-color: rgba(255, 107, 53, 0.45);
}

.page-about__credential-mark {
  display: inline-block;
  font-family: var(--font-headline);
  font-size: 0.8rem;
  color: var(--color-neon);
  border: 1px solid var(--color-neon);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.page-about__credential-card h3 {
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
  color: var(--color-cream);
  margin: 0 0 var(--space-sm);
}

.page-about__credential-card p {
  position: relative;
  z-index: 1;
  font-size: 0.9rem;
  color: rgba(248, 245, 240, 0.74);
  line-height: 1.7;
  margin: 0;
}

.page-about__credential-card--award {
  border-color: rgba(57, 255, 20, 0.3);
}

/* ---------- 团队与文化 ---------- */
.page-about__team {
  padding: var(--space-3xl) 0;
  background: var(--color-primary-dark);
}

.page-about__team-layout {
  display: grid;
  gap: var(--space-2xl);
}

.page-about__team-copy {
  order: 2;
}

.page-about__team-lead {
  font-family: var(--font-headline);
  font-size: clamp(1.1rem, 2.6vw, 1.3rem);
  line-height: 1.5;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.page-about__team-desc {
  color: rgba(248, 245, 240, 0.78);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  font-size: 0.95rem;
}

.page-about__team-points {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}

.page-about__team-points li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255, 107, 53, 0.15);
  color: rgba(248, 245, 240, 0.82);
  font-size: 0.92rem;
}

.page-about__team-points li:last-child {
  border-bottom: none;
}

.page-about__team-points li span {
  display: inline-block;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-cream);
  margin-right: var(--space-sm);
  padding: 0.2rem 0.6rem;
  background: rgba(57, 255, 20, 0.1);
  border-radius: var(--radius-pill);
}

.page-about__team-figure {
  order: 1;
  margin: 0;
}

.page-about__team-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(57, 255, 20, 0.2);
  object-fit: cover;
}

.page-about__team-figure figcaption {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: rgba(248, 245, 240, 0.65);
}

/* ---------- 品牌宣言 ---------- */
.page-about__declaration {
  padding: var(--space-3xl) 0;
  background: var(--color-primary);
}

.page-about__declaration-inner {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-lg);
  border: 1px solid rgba(255, 107, 53, 0.25);
  text-align: center;
}

.page-about__declaration-inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--about-line);
}

.page-about__declaration-inner::after {
  content: "";
  position: absolute;
  right: -20%;
  bottom: -50%;
  width: 55%;
  height: 120%;
  background: var(--color-neon);
  opacity: 0.05;
  transform: rotate(-16deg);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.page-about__declaration-kicker {
  position: relative;
  z-index: 1;
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--color-neon);
  margin-bottom: var(--space-md);
}

.page-about__declaration-inner h2 {
  position: relative;
  z-index: 1;
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  line-height: 1.3;
  color: var(--color-cream);
  margin: 0 0 var(--space-sm);
}

.page-about__declaration-text {
  position: relative;
  z-index: 1;
  color: rgba(248, 245, 240, 0.74);
  margin: 0 auto var(--space-lg);
  max-width: 40em;
  line-height: 1.7;
  font-size: 0.95rem;
}

.page-about__declaration-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* ---------- 桌面端媒体查询 ---------- */
@media (min-width: 800px) {
  .page-about__intro {
    padding: var(--space-3xl) 0;
  }

  .page-about__intro-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: var(--space-2xl);
  }

  .page-about__intro-img {
    transform: rotate(-1.5deg) scale(1.02);
    max-height: 600px;
  }

  .page-about__mission-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--space-2xl);
    align-items: start;
  }

  .page-about__stats-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about__timeline {
    padding-left: 0;
    padding-top: var(--space-lg);
  }

  .page-about__timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about__timeline-item {
    width: 50%;
    padding-left: 0;
    padding-right: var(--space-2xl);
    text-align: right;
  }

  .page-about__timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-left: var(--space-2xl);
    padding-right: 0;
    text-align: left;
  }

  .page-about__timeline-dot {
    left: auto;
    right: calc(-1 * var(--space-2xl) - 6px);
  }

  .page-about__timeline-item:nth-child(even) .page-about__timeline-dot {
    left: calc(-1 * var(--space-2xl) - 6px);
    right: auto;
  }

  .page-about__timeline-figure {
    margin-left: auto;
  }

  .page-about__credentials-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .page-about__team-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .page-about__team-copy,
  .page-about__team-figure {
    order: initial;
  }

  .page-about__team-figure {
    margin: var(--space-lg) 0 0;
  }

  .page-about__declaration-inner {
    padding: var(--space-3xl) var(--space-xl);
  }
}