/* ========== 品牌故事页专属样式 ========== */
.page-about {
  position: relative;
  overflow-x: hidden;
  background: var(--bg-main);
  color: var(--text-main);
}

.page-about h1,
.page-about h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--gold);
  line-height: 1.12;
}

.page-about h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: 0.6rem 0 1rem;
}

.page-about h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  margin: 0.5rem 0 1rem;
}

.page-about h3 {
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
}

.page-about .breadcrumb {
  padding-top: 1.5rem;
}

.page-about p {
  margin: 0 0 0.9rem;
}

/* Hero */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 4vw, 3.5rem) 0;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 5%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 179, 1, 0.14) 0%, rgba(57, 255, 136, 0.04) 45%, transparent 65%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .page-about .about-hero__inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
  }
}

.page-about .about-hero__lead {
  font-size: 1.08rem;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about .about-hero__panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.page-about .about-hero__ring {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: conic-gradient(from 90deg, var(--green) 0% 55%, var(--divider) 55% 100%);
  display: grid;
  place-items: center;
  box-shadow: 0 0 52px rgba(57, 255, 136, 0.1);
}

.page-about .about-hero__ring::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  background: var(--bg-main);
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.6);
}

.page-about .about-hero__ring::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px dashed rgba(245, 179, 1, 0.55);
  opacity: 0.55;
  animation: about-ring-rotate 28s linear infinite;
}

@keyframes about-ring-rotate {
  to { transform: rotate(360deg); }
}

.page-about .about-hero__ring-core {
  position: relative;
  text-align: center;
  z-index: 1;
}

.page-about .about-hero__ring-kicker {
  display: block;
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
}

.page-about .about-hero__ring-num {
  display: block;
  font-family: var(--font-data);
  font-size: 3.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--green);
}

.page-about .about-hero__ring-num sup {
  font-size: 1.4rem;
  color: var(--gold);
}

.page-about .about-hero__ring-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

.page-about .about-hero__facts {
  width: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-about .about-hero__facts li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.92rem;
  color: var(--text-main);
  background: rgba(17, 24, 34, 0.7);
  border: 1px solid var(--divider);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
}

/* 品牌起源 */
.page-about .about-origin {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-about .about-origin__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-about .about-origin__media,
.page-about .about-team__media,
.page-about .about-values__media {
  margin: 0;
}

.page-about .about-origin__img,
.page-about .about-team__img,
.page-about .about-values__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--divider);
  background: var(--bg-card);
}

@media (min-width: 768px) {
  .page-about .about-origin__grid {
    grid-template-columns: 1fr 0.85fr;
    gap: 3rem;
  }
  .page-about .about-origin__media {
    margin-bottom: 1.5rem;
    transform: translateX(1.25rem);
  }
}

/* 数据理念 */
.page-about .about-philosophy {
  position: relative;
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  background: linear-gradient(180deg, var(--bg-main) 0%, rgba(17, 24, 34, 0.8) 30%, rgba(17, 24, 34, 0.8) 70%, var(--bg-main) 100%);
  overflow: hidden;
}

.page-about .about-philosophy::before {
  content: "";
  position: absolute;
  left: -10%;
  top: 0;
  width: 120%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), rgba(57, 255, 136, 0.8), transparent);
  opacity: 0.45;
}

.page-about .about-philosophy__head {
  max-width: 820px;
}

.page-about .about-philosophy__chart-wrap {
  margin: clamp(2rem, 4vw, 3rem) 0;
  background: linear-gradient(160deg, rgba(10, 14, 20, 0.9), rgba(17, 24, 34, 0.75));
  border: 1px solid var(--divider);
  border-radius: 14px;
  padding: 1rem 1rem 0.9rem;
}

.page-about .about-philosophy__chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.4rem;
}

.page-about .about-philosophy__chart-title {
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--text-main);
  letter-spacing: 0.05em;
}

.page-about .about-philosophy__chart {
  width: 100%;
  height: auto;
  display: block;
}

.page-about .about-philosophy__grid line,
.page-about .about-philosophy__grid {
  stroke: var(--divider);
  stroke-width: 1;
}

.page-about .about-philosophy__labels text {
  fill: var(--text-dim);
  font-family: var(--font-data);
  font-size: 11px;
  text-anchor: middle;
}

.page-about .about-philosophy__area {
  fill: url(#aboutChartArea);
}

.page-about .about-philosophy__line {
  fill: none;
  stroke: url(#aboutChartLine);
  stroke-width: 4;
  stroke-linecap: round;
  filter: drop-shadow(0 0 8px rgba(57, 255, 136, 0.35));
}

.page-about .about-philosophy__dot {
  fill: var(--green);
}

.page-about .about-philosophy__dot--gold {
  fill: var(--gold);
}

.page-about .about-philosophy__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
  margin-top: 0.75rem;
}

.page-about .about-philosophy__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  font-family: var(--font-data);
}

.page-about .about-philosophy__legend-swatch {
  width: 18px;
  height: 3px;
  border-radius: 2px;
  background: var(--green);
}

.page-about .about-philosophy__legend-swatch--line {
  background: linear-gradient(90deg, var(--gold), var(--green));
}

.page-about .about-philosophy__legend-swatch--dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
}

.page-about .about-philosophy__cards {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .page-about .about-philosophy__cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-about .about-philosophy__card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 1.5rem 1.4rem 1.3rem;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .about-philosophy__card:hover {
  border-color: rgba(245, 179, 1, 0.5);
  transform: translateY(-3px);
}

.page-about .about-philosophy__card::before {
  content: "";
  position: absolute;
  left: 1.4rem;
  top: 0;
  width: 2.6rem;
  height: 2px;
  background: var(--gradient);
}

.page-about .about-philosophy__card h3 {
  font-family: var(--font-data);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.5rem;
}

.page-about .about-philosophy__card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.65;
}

/* 发展里程碑 */
.page-about .about-milestones {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  position: relative;
}

.page-about .about-milestones::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.45;
}

.page-about .about-milestones__head {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--green) 65%, transparent);
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 2rem;
  padding-bottom: 1.75rem;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
  border: 2px solid var(--bg-main);
  box-shadow: 0 0 12px rgba(57, 255, 136, 0.55);
  z-index: 1;
}

.page-about .about-timeline__card {
  background: linear-gradient(160deg, var(--bg-card), rgba(17, 24, 34, 0.55));
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: clamp(1rem, 2vw, 1.4rem);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .about-timeline__card:hover {
  border-color: rgba(57, 255, 136, 0.5);
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.page-about .about-timeline__year {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--gold);
  background: rgba(245, 179, 1, 0.1);
  border: 1px solid rgba(245, 179, 1, 0.35);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  margin-bottom: 0.7rem;
  letter-spacing: 0.08em;
}

.page-about .about-timeline__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-main);
  margin: 0 0 0.4rem;
}

.page-about .about-timeline__text {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.65;
}

@media (min-width: 768px) {
  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-about .about-timeline__item {
    width: 50%;
    padding-left: 0;
    padding-right: 2.75rem;
  }

  .page-about .about-timeline__item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 2.75rem;
  }

  .page-about .about-timeline__item::before {
    left: auto;
    right: -6px;
  }

  .page-about .about-timeline__item:nth-child(even)::before {
    left: -6px;
    right: auto;
  }
}

/* 团队与能力 */
.page-about .about-team {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-about .about-team__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .page-about .about-team__grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 3.5rem;
  }
}

.page-about .about-team__lead {
  color: var(--text-main);
}

.page-about .about-team__roles {
  list-style: none;
  margin: 1.2rem 0 1.6rem;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-about .about-team__roles li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.page-about .about-team__roles li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--green);
  transform: rotate(45deg);
}

.page-about .about-team__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (min-width: 992px) {
  .page-about .about-team__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.9rem;
  }
}

.page-about .about-team__stat {
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 1.15rem;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .about-team__stat:hover {
  border-color: rgba(57, 255, 136, 0.45);
  transform: translateY(-3px);
}

.page-about .about-team__stat-num {
  display: block;
  font-family: var(--font-data);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--green);
}

.page-about .about-team__stat-num sup {
  font-size: 1.1rem;
  color: var(--gold);
}

.page-about .about-team__stat-label {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.84rem;
  color: var(--text-dim);
}

.page-about .about-team__stat-more {
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}

@media (hover: hover) {
  .page-about .about-team__stat-more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(4px);
    transition: max-height 0.4s var(--ease-out), opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  }
  .page-about .about-team__stat:hover .about-team__stat-more {
    max-height: 8rem;
    opacity: 1;
    transform: translateY(0);
  }
}

.page-about .about-team__award {
  margin-top: 1.4rem;
  padding: 0.85rem 1rem;
  border-left: 2px solid var(--green);
  background: rgba(57, 255, 136, 0.06);
  font-size: 0.88rem;
  color: var(--text-dim);
}

/* 价值观与理念 */
.page-about .about-values {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: linear-gradient(180deg, var(--bg-main), rgba(17, 24, 34, 0.7), var(--bg-main));
}

.page-about .about-values__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .page-about .about-values__grid {
    grid-template-columns: 0.75fr 1.25fr;
    gap: 3.5rem;
  }
}

.page-about .about-values__content {
  max-width: 720px;
}

.page-about .about-values__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.2rem;
}

/* 服务承诺 */
.page-about .about-service {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-about .about-service__head {
  max-width: 720px;
  margin-bottom: 2.25rem;
}

.page-about .about-service__grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .page-about .about-service__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-about .about-service__card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 14px;
  padding: 1.7rem 1.4rem 1.4rem;
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .about-service__card:hover {
  border-color: rgba(245, 179, 1, 0.55);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.page-about .about-service__num {
  display: block;
  font-family: var(--font-data);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  margin-bottom: 0.9rem;
}

.page-about .about-service__card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.page-about .about-service__card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.65;
}

.page-about .about-service__note {
  margin-top: 2.5rem;
  padding: 1.5rem 1.6rem;
  background: linear-gradient(135deg, rgba(245, 179, 1, 0.08), rgba(57, 255, 136, 0.06));
  border: 1px solid var(--divider);
  border-left: 3px solid var(--gold);
  border-radius: 0 12px 12px 0;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.page-about .about-service__note p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .page-about .about-service__note {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .page-about .about-service__note p {
    max-width: 72%;
  }
  .page-about .about-service__note .btn {
    flex-shrink: 0;
  }
}

.page-about .img-figure__caption {
  margin-top: 0.6rem;
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: right;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero__ring::after {
    animation: none;
  }
  .page-about .about-team__stat,
  .page-about .about-service__card,
  .page-about .about-timeline__card,
  .page-about .about-philosophy__card {
    transition: none;
    transform: none;
  }
}