/* ===== .page-about 品牌档案页专属样式 ===== */

/* 面包屑补充 */
.page-about .breadcrumb {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
  background: var(--color-surface);
}
.page-about .breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-about .breadcrumb a:hover {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about .breadcrumb__sep {
  margin: 0 0.6rem;
  color: var(--color-accent);
  font-weight: 700;
}
.page-about .breadcrumb [aria-current="page"] {
  color: var(--color-text);
  font-weight: 700;
}

/* ========== 首屏 · 品牌档案 ========== */
.page-about .page-hero--about {
  position: relative;
  padding: clamp(3rem, 8vw, 5.5rem) 0;
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  overflow: hidden;
}
.page-about .page-hero--about::before {
  content: "";
  position: absolute;
  right: -8%;
  top: -20%;
  width: 48%;
  height: 70%;
  background: repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.06) 0 12px, transparent 12px 24px);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 55%);
  pointer-events: none;
}

/* hero 内布局 */
.page-about .about-hero {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}
.page-about .about-hero__content .kicker {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  background: rgba(255, 255, 255, 0.1);
  border-left: 3px solid var(--color-accent);
  color: var(--color-accent-light);
  letter-spacing: 0.08em;
}
.page-about .about-hero__content h1 {
  margin: 1rem 0 0.5rem;
  font-family: var(--font-headline);
  font-size: clamp(2.5rem, 7vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: #fff;
}
.page-about .about-hero__intro {
  display: inline-block;
  margin: 0;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid rgba(255, 107, 53, 0.55);
  color: var(--color-accent-light);
  font-size: 1.15rem;
  font-weight: 600;
}
.page-about .about-hero__text {
  max-width: 36rem;
  margin: 1.2rem 0 1.6rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.85;
}
.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.page-about .about-hero__link {
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 107, 53, 0.6);
  padding-bottom: 2px;
  transition: color 0.2s ease;
}
.page-about .about-hero__link:hover {
  color: var(--color-accent);
}

/* hero 右侧平台简况 */
.page-about .about-hero__profile {
  position: relative;
  padding: 1.6rem 1.6rem 1.4rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  backdrop-filter: blur(8px);
}
.page-about .about-hero__profile::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.6rem;
  width: 60px;
  height: 4px;
  background: var(--color-accent);
}
.page-about .about-hero__profile-label {
  display: flex;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.page-about .about-hero__facts {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.page-about .about-hero__facts strong {
  font-family: var(--font-headline);
  font-size: 2.1rem;
  font-weight: 400;
  line-height: 1;
  color: var(--color-accent);
  white-space: nowrap;
}
.page-about .about-hero__facts em {
  font-style: normal;
  font-size: 0.55em;
  margin-left: 0.06em;
}
.page-about .about-hero__facts span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
}
.page-about .about-hero__update {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1.1rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.8rem;
}
.page-about .about-hero__update::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

/* ========== 章节通用补充 ========== */
.page-about .chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}
.page-about .chapter__en {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-style: normal;
  letter-spacing: 0.04em;
}

/* ========== 01 品牌起源 ========== */
.page-about .about-origin {
  padding: var(--section-pad) 0;
  background: var(--color-surface);
}
.page-about .about-origin__grid {
  align-items: center;
  gap: 1.75rem;
}
.page-about .about-origin__text p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}
.page-about .about-origin__text strong {
  color: var(--color-primary);
}
.page-about .about-origin__quote {
  margin: 1.75rem 0 0;
  padding: 0.5rem 0 0.5rem 1.1rem;
  border-left: 4px solid var(--color-accent);
  color: var(--color-primary);
  font-family: var(--font-headline);
  font-size: 1.25rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
}
.page-about .about-origin__quote p {
  margin: 0;
}
.page-about .about-origin__media {
  margin: 0;
}

/* ========== 02 发展历程 ========== */
.page-about .about-timeline {
  padding: var(--section-pad) 0;
  background: var(--color-bg);
}
.page-about .about-timeline__list {
  margin: 2.75rem 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 2.25rem 2.75rem;
}
.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}
.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-primary));
}
.page-about .about-timeline__item:last-child::before {
  display: none;
}
.page-about .about-timeline__node {
  position: absolute;
  top: 0;
  left: 5px;
  width: 18px;
  height: 18px;
  border: 4px solid var(--color-accent);
  border-radius: 2px;
  background: var(--color-surface);
  transform: rotate(45deg);
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.28);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.page-about .about-timeline__card {
  position: relative;
  padding: 1.25rem 1.4rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(10, 36, 99, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-about .about-timeline__card::before {
  content: "";
  position: absolute;
  top: 1.1rem;
  left: -1px;
  width: 4px;
  height: 30px;
  background: var(--color-accent);
}
.page-about .about-timeline__card h3 {
  margin: 0 0 0.35rem;
  color: var(--color-primary);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.page-about .about-timeline__card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.75;
}
.page-about .about-timeline__item:hover .about-timeline__node {
  background: var(--color-accent);
}
.page-about .about-timeline__item:hover .about-timeline__card {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(10, 36, 99, 0.1);
}

/* ========== 03 服务规模 ========== */
.page-about .about-scale {
  padding: var(--section-pad) 0;
  background: var(--color-surface);
}
.page-about .about-scale__board {
  position: relative;
  margin: 1rem 0 2.5rem;
  padding: clamp(1.75rem, 4vw, 3rem);
  background: linear-gradient(140deg, var(--color-primary) 0%, #123A8F 70%, var(--color-primary-light) 100%);
  color: #fff;
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}
.page-about .about-scale__board::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px) 0 0 / 44px 44px;
  pointer-events: none;
}
.page-about .about-scale__stats {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem 1.5rem;
}
.page-about .about-scale__stat {
  padding: 0.4rem 0 0.4rem 1.1rem;
  border-left: 4px solid var(--color-accent);
}
.page-about .about-scale__stat strong {
  display: block;
  font-family: var(--font-headline);
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 400;
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}
.page-about .about-scale__stat em {
  font-style: normal;
  font-size: 0.5em;
  margin-left: 0.06em;
  color: var(--color-accent-light);
}
.page-about .about-scale__stat span {
  display: block;
  margin-top: 0.55rem;
  font-weight: 700;
  color: #fff;
}
.page-about .about-scale__stat small {
  display: block;
  margin-top: 0.25rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
  line-height: 1.6;
}
.page-about .about-scale__footer {
  align-items: center;
  gap: 1.75rem;
}
.page-about .about-scale__media {
  margin: 0;
}
.page-about .about-scale__note p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}
.page-about .about-scale__note strong {
  color: var(--color-primary);
}

/* ========== 04 资质与荣誉 ========== */
.page-about .about-honors {
  padding: var(--section-pad) 0;
  background: var(--color-bg);
}
.page-about .about-honors__content {
  display: grid;
  gap: 1.25rem;
}
.page-about .about-honors__card {
  padding: 1.4rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: 4px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-about .about-honors__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(10, 36, 99, 0.09);
}
.page-about .about-honors__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.55rem;
  color: var(--color-accent);
  font-family: var(--font-headline);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}
.page-about .about-honors__tag::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  transform: rotate(45deg);
}
.page-about .about-honors__card h3 {
  margin: 0 0 0.45rem;
  color: var(--color-primary);
  font-size: 1.05rem;
  line-height: 1.4;
}
.page-about .about-honors__card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.75;
}
.page-about .about-honors__media {
  margin: 0;
}
.page-about .about-honors__figure {
  margin: 0 0 1rem;
}
.page-about .about-honors__media > p {
  margin: 0;
  padding: 0.8rem 1rem;
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

/* ========== 05 品牌愿景 ========== */
.page-about .about-vision {
  padding: var(--section-pad) 0;
  background: var(--color-surface);
}
.page-about .about-vision__inner {
  position: relative;
  padding: clamp(1.75rem, 5vw, 3.25rem);
  overflow: hidden;
  background: linear-gradient(130deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-about .about-vision__inner::after {
  content: "";
  position: absolute;
  left: 6%;
  top: -80px;
  width: 220px;
  height: 220px;
  background: repeating-linear-gradient(-45deg, rgba(255, 107, 53, 0.18) 0 12px, transparent 12px 24px);
  clip-path: polygon(30% 0, 100% 30%, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-about .about-vision__lead {
  position: relative;
  z-index: 1;
  margin: 0 0 2rem;
  font-family: var(--font-headline);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.35;
  color: var(--color-accent-light);
  letter-spacing: 0.02em;
}
.page-about .about-vision__cols {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.5rem;
}
.page-about .about-vision__cols h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.35rem;
  color: #fff;
  font-size: 1rem;
}
.page-about .about-vision__cols h3::before {
  content: "";
  width: 8px;
  height: 16px;
  background: var(--color-accent);
  transform: skewX(-18deg);
}
.page-about .about-vision__cols p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.875rem;
  line-height: 1.8;
}
.page-about .about-vision__note {
  position: relative;
  z-index: 1;
  margin: 2rem 0 0;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  line-height: 1.9;
}
.page-about .about-vision__note a {
  color: var(--color-accent-light);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 53, 0.45);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-about .about-vision__note a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ========== 图片响应式 ========== */
.page-about .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ========== 交互布局：媒体查询 ========== */
@media (min-width: 640px) {
  .page-about .about-scale__stats {
    grid-template-columns: 1fr 1fr;
  }
  .page-about .about-vision__cols {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .page-about .about-origin__text {
    padding-right: 1rem;
  }
  .page-about .about-timeline__list {
    margin-left: 1rem;
  }
}

@media (min-width: 960px) {
  .page-about .chapter {
    grid-template-columns: 140px 1fr;
    align-items: end;
  }
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1fr) 370px;
    align-items: center;
    gap: 3rem;
  }
  .page-about .grid--split {
    grid-template-columns: minmax(240px, 1fr) minmax(0, 2.2fr);
    gap: 3rem;
  }
  .page-about .grid--split-swap {
    grid-template-columns: minmax(0, 2.2fr) minmax(240px, 1fr);
    gap: 3rem;
  }
  .page-about .about-timeline__list {
    max-width: 68%;
  }
  .page-about .about-scale__stats {
    gap: 2.5rem 2rem;
  }
  .page-about .about-honors__content {
    padding-right: 1.5rem;
  }
}

/* ========== 无障碍：减少动效 ========== */
@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .page-about .about-timeline__card,
  .page-about .about-honors__card {
    transition: none;
    transform: none;
  }
}