/* ===== 品牌档案 PAGE ABOUT 专属样式 ===== */
.page-about {
  --about-grass: #3CB371;
  --about-orange: #FF6B35;
  --about-navy: #004E89;
  --about-deep: #2E7D32;
  --about-ink: #1E1E1E;
  --about-paper: #F5F0E6;
  --about-light: #E8F5E9;
  --about-gray: #9E9E9E;
  --about-white: #FFFFFF;
  background-color: var(--about-paper);
  color: var(--about-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ========== 首屏 ========== */
.page-about .about-hero {
  position: relative;
  padding: 20px 0 48px;
  background: var(--about-paper);
  overflow: hidden;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 90px;
  left: -80px;
  width: 260px;
  height: 260px;
  border-radius: 42% 58% 55% 45% / 48% 40% 60% 52%;
  background: var(--about-light);
  z-index: 0;
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  bottom: -60px;
  right: -40px;
  width: 220px;
  height: 220px;
  border-radius: 60% 40% 55% 45% / 42% 60% 40% 58%;
  background: rgba(60, 179, 113, 0.10);
  z-index: 0;
}
.page-about .about-hero .container {
  position: relative;
  z-index: 1;
}
.page-about .about-hero .breadcrumb {
  padding-top: 14px;
  font-size: 13px;
  color: var(--about-gray);
}
.page-about .about-hero .breadcrumb a {
  color: var(--about-navy);
  text-decoration: none;
  transition: color 0.25s;
}
.page-about .about-hero .breadcrumb a:hover {
  color: var(--about-orange);
}
.page-about .about-hero .breadcrumb-sep {
  margin: 0 8px;
  color: var(--about-gray);
}
.page-about .about-hero__grid {
  display: grid;
  gap: 40px;
  align-items: center;
  padding: 44px 0 36px;
}
.page-about .about-hero__serial {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--about-navy);
  text-transform: uppercase;
}
.page-about .about-hero__serial::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--about-orange);
  flex-shrink: 0;
}
.page-about .about-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 660px;
}
.page-about .about-hero__lead {
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.85;
  color: #3A3A3A;
  max-width: 560px;
}
.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.page-about .about-hero__actions .btn {
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.28s var(--ease-out), box-shadow 0.28s var(--ease-out), border-color 0.28s, color 0.28s;
}
.page-about .about-hero__actions .btn-primary {
  background: var(--about-grass);
  color: var(--about-white);
  border: 2px solid var(--about-grass);
}
.page-about .about-hero__actions .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(60, 179, 113, 0.32);
}
.page-about .about-hero__actions .btn-ghost {
  background: transparent;
  color: var(--about-ink);
  border: 2px solid var(--about-ink);
}
.page-about .about-hero__actions .btn-ghost:hover {
  color: var(--about-orange);
  border-color: var(--about-orange);
  transform: translateY(-3px);
}
.page-about .about-hero__visual {
  position: relative;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-about .about-hero__visual svg {
  width: 100%;
  max-width: 520px;
  height: auto;
  display: block;
}
.page-about .about-hero__badge {
  position: absolute;
  top: 3%;
  right: 3%;
  padding: 12px 20px;
  text-align: center;
  border-radius: 24px;
  background: var(--about-navy);
  color: var(--about-white);
  box-shadow: 0 12px 30px rgba(0, 78, 137, 0.25);
  z-index: 2;
}
.page-about .about-hero__badge-num {
  display: block;
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
}
.page-about .about-hero__badge-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  opacity: 0.85;
}
.page-about .about-hero .vertical-note {
  position: absolute;
  bottom: 10px;
  left: -4px;
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--about-gray);
  white-space: nowrap;
  transform: rotate(180deg);
}

/* ========== 品牌故事 ========== */
.page-about .about-story {
  padding: 64px 0 56px;
  background: var(--about-paper);
}
.page-about .about-story__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
.page-about .about-story__text .section-kicker {
  margin-bottom: 10px;
}
.page-about .about-story__text h2 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.page-about .about-story__lead {
  font-size: 18px;
  line-height: 1.8;
  font-weight: 600;
  color: var(--about-deep);
  margin: 0 0 18px;
}
.page-about .about-story__text p:not(.about-story__lead):not(.section-kicker) {
  margin: 0 0 14px;
  line-height: 1.85;
  font-size: 15px;
  color: #3A3A3A;
}
.page-about .about-story__quote {
  margin: 26px 0 0;
  padding: 18px 22px 18px 26px;
  border-left: 4px solid var(--about-orange);
  background: var(--about-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--about-ink);
}
.page-about .about-story__media {
  margin: 0;
  position: relative;
}
.page-about .about-story__media::after {
  content: "";
  position: absolute;
  bottom: -18px;
  right: -18px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.12);
  z-index: 0;
}
.page-about .about-story__media img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  display: block;
  object-fit: cover;
}
.page-about .about-story__media figcaption {
  position: relative;
  z-index: 1;
  margin-top: 14px;
  font-size: 13px;
  color: var(--about-gray);
  text-align: right;
}

/* ========== 里程碑时间线 ========== */
.page-about .about-milestones {
  padding: 64px 0 72px;
  background: linear-gradient(180deg, var(--about-paper) 0%, var(--about-light) 100%);
}
.page-about .about-milestones__head {
  max-width: 640px;
  margin-bottom: 32px;
}
.page-about .about-milestones__head h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.25;
}
.page-about .about-milestones__desc {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: #3A3A3A;
}
.page-about .about-milestones .legend-list {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0;
}
.page-about .about-milestones .legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--about-ink);
}
.page-about .about-milestones .legend-item .legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--about-grass);
  flex-shrink: 0;
}
.page-about .about-milestones .legend-item--orange .legend-dot {
  background: var(--about-orange);
}
.page-about .about-milestones .filter-bar {
  margin-bottom: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-about .about-milestones .filter-btn {
  padding: 9px 22px;
  border-radius: 999px;
  border: 2px solid var(--about-ink);
  background: transparent;
  color: var(--about-ink);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
}
.page-about .about-milestones .filter-btn:hover {
  border-color: var(--about-orange);
  color: var(--about-orange);
}
.page-about .about-milestones .filter-btn[data-active="true"] {
  background: var(--about-ink);
  color: var(--about-white);
  border-color: var(--about-ink);
}

/* 时间线容器 */
.page-about .about-timeline {
  position: relative;
  padding: 22px 0 8px;
}
.page-about .about-timeline__axis {
  position: absolute;
  left: 17px;
  top: 0;
  bottom: 0;
  width: 4px;
  height: 100%;
  z-index: 0;
}
.page-about .about-timeline__item {
  position: relative;
  z-index: 1;
  padding-left: 58px;
  margin-bottom: 38px;
}
.page-about .about-timeline__node {
  position: absolute;
  left: 0;
  top: 10px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--about-grass);
  color: var(--about-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 0 0 6px rgba(60, 179, 113, 0.18);
  z-index: 2;
}
.page-about .about-timeline__card {
  background: var(--about-white);
  border-radius: 20px;
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.page-about .about-timeline__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.page-about .about-timeline__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--about-light);
  color: var(--about-deep);
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
}
.page-about .about-timeline__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
}
.page-about .about-timeline__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #3A3A3A;
}

/* ========== 数据见证 ========== */
.page-about .about-data {
  padding: 64px 0 68px;
  background: var(--about-light);
}
.page-about .about-data__head {
  max-width: 620px;
  margin-bottom: 36px;
}
.page-about .about-data__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
}
.page-about .about-data__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: #3A3A3A;
}
.page-about .about-data__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.page-about .about-data__stat {
  background: var(--about-white);
  border-radius: 20px;
  padding: 26px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.page-about .about-data__stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.page-about .about-data__stat .stat-number {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.1;
  color: var(--about-orange);
  letter-spacing: -0.01em;
}
.page-about .about-data__stat .stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--about-ink);
}
.page-about .about-data__chart {
  margin: 0;
}
.page-about .about-data__chart img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  display: block;
  object-fit: cover;
}
.page-about .about-data__chart figcaption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--about-gray);
  text-align: right;
}

/* ========== 资质与认证 ========== */
.page-about .about-cert {
  padding: 64px 0 68px;
  background: var(--about-paper);
}
.page-about .about-cert__head {
  max-width: 620px;
  margin-bottom: 36px;
}
.page-about .about-cert__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
}
.page-about .about-cert__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: #3A3A3A;
}
.page-about .about-cert__grid {
  display: grid;
  gap: 22px;
}
.page-about .about-cert__item {
  position: relative;
  background: var(--about-white);
  border-radius: 24px;
  padding: 34px 26px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  overflow: hidden;
}
.page-about .about-cert__item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.page-about .about-cert__badge {
  width: 96px;
  height: 96px;
  margin: 0 auto 20px;
}
.page-about .about-cert__badge svg {
  width: 100%;
  height: auto;
  display: block;
}
.page-about .about-cert__item h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  text-align: center;
}
.page-about .about-cert__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #3A3A3A;
  text-align: center;
}

/* ========== 团队与理念 ========== */
.page-about .about-team {
  padding: 68px 0;
  background: var(--about-ink);
  color: var(--about-paper);
}
.page-about .about-team .section-kicker {
  color: var(--about-orange);
}
.page-about .about-team__head {
  max-width: 620px;
  margin-bottom: 40px;
}
.page-about .about-team__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  color: var(--about-paper);
}
.page-about .about-team__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
.page-about .about-team__puzzle {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.page-about .about-team__puzzle-item {
  min-height: 96px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 800;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease-out);
}
.page-about .about-team__puzzle-item:hover {
  transform: scale(1.03);
}
.page-about .about-team__puzzle-item--hero {
  grid-row: span 2;
  background: var(--about-paper);
  color: var(--about-ink);
  font-size: 30px;
}
.page-about .about-team__puzzle-item--grass {
  background: var(--about-grass);
  color: var(--about-white);
}
.page-about .about-team__puzzle-item--orange {
  background: var(--about-orange);
  color: var(--about-white);
}
.page-about .about-team__puzzle-item--navy {
  background: var(--about-navy);
  color: var(--about-white);
}
.page-about .about-team__puzzle-item--note {
  grid-column: span 2;
  background: rgba(255, 255, 255, 0.12);
  color: var(--about-paper);
  min-height: 64px;
}
.page-about .about-team__puzzle-item--light {
  background: var(--about-light);
  color: var(--about-deep);
}
.page-about .about-team__content p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 240, 230, 0.9);
}
.page-about .about-team__principles {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}
.page-about .about-team__principles li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(245, 240, 230, 0.15);
  font-size: 14px;
  line-height: 1.6;
  color: var(--about-paper);
}
.page-about .about-team__principles-num {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 900;
  color: var(--about-orange);
  flex-shrink: 0;
}
.page-about .about-team__media {
  margin: 44px 0 0;
}
.page-about .about-team__media img {
  width: 100%;
  height: auto;
  border-radius: 22px;
  display: block;
  object-fit: cover;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3);
}
.page-about .about-team__media figcaption {
  margin-top: 12px;
  font-size: 13px;
  color: rgba(245, 240, 230, 0.6);
  text-align: right;
}

/* ========== 荣誉墙 ========== */
.page-about .about-honors {
  padding: 64px 0 68px;
  background: var(--about-paper);
}
.page-about .about-honors__head {
  max-width: 620px;
  margin-bottom: 36px;
}
.page-about .about-honors__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
}
.page-about .about-honors__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: #3A3A3A;
}
.page-about .about-honors__grid {
  display: grid;
  gap: 20px;
}
.page-about .about-honors__card {
  position: relative;
  background: var(--about-white);
  border-radius: 24px;
  padding: 30px 24px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  overflow: hidden;
}
.page-about .about-honors__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.page-about .about-honors__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--about-grass), var(--about-orange), var(--about-navy));
}
.page-about .about-honors__medal {
  width: 80px;
  height: 80px;
  margin: 0 auto 18px;
}
.page-about .about-honors__medal svg {
  width: 100%;
  height: auto;
  display: block;
}
.page-about .about-honors__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  text-align: center;
  line-height: 1.4;
}
.page-about .about-honors__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #3A3A3A;
  text-align: center;
}
.page-about .about-honors__note {
  display: inline-block;
  margin-top: 16px;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--about-light);
  color: var(--about-deep);
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-head);
}

/* ========== 继续探索 ========== */
.page-about .about-more {
  padding: 48px 0 72px;
  background: var(--about-light);
}
.page-about .about-more__inner {
  padding: 44px 0 0;
}
.page-about .about-more .section-kicker {
  color: var(--about-navy);
}
.page-about .about-more h2 {
  margin: 0 0 32px;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 900;
}
.page-about .about-more__links {
  display: grid;
  gap: 18px;
}
.page-about .about-more .map-card {
  background: var(--about-white);
  border-radius: 18px;
  padding: 24px 22px;
  text-decoration: none;
  color: var(--about-ink);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  display: block;
}
.page-about .about-more .map-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.page-about .about-more .map-card-title {
  display: block;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 6px;
}
.page-about .about-more .map-card-text {
  display: block;
  font-size: 14px;
  line-height: 1.65;
  color: #3A3A3A;
  margin-bottom: 10px;
}
.page-about .about-more .map-card-link {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--about-orange);
}

/* ========== 平板 / 桌面 ========== */
@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 24px 0 56px;
  }
  .page-about .about-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    padding: 60px 0 48px;
  }
  .page-about .about-hero__badge {
    top: 2%;
    right: 2%;
    padding: 16px 24px;
  }
  .page-about .about-hero__badge-num {
    font-size: 36px;
  }
  .page-about .about-story__grid {
    grid-template-columns: 1fr 0.9fr;
    gap: 48px;
  }
  .page-about .about-story__media {
    order: 2;
  }
  .page-about .about-data__stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .about-cert__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .page-about .about-honors__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .page-about .about-team__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
  }
  .page-about .about-more__links {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero h1 {
    font-size: 54px;
  }
  .page-about .about-hero__lead {
    font-size: 17px;
  }
  .page-about .about-timeline {
    padding: 40px 0 12px;
  }
  .page-about .about-timeline__axis {
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
  }
  .page-about .about-timeline__item {
    width: 50%;
    padding-left: 0;
    padding-right: 64px;
    margin-bottom: 52px;
    text-align: right;
  }
  .page-about .about-timeline__item:nth-of-type(even) {
    margin-left: 50%;
    padding-left: 64px;
    padding-right: 0;
    text-align: left;
  }
  .page-about .about-timeline__node {
    left: auto;
    right: -18px;
    top: 14px;
  }
  .page-about .about-timeline__item:nth-of-type(even) .about-timeline__node {
    right: auto;
    left: -18px;
  }
  .page-about .about-timeline__card {
    padding: 24px 28px;
  }
  .page-about .about-cert__item {
    padding: 36px 30px 32px;
  }
  .page-about .about-honors__card {
    padding: 34px 26px 30px;
  }
  .page-about .about-more__links {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-more .map-card:last-child {
    grid-column: auto;
  }
}