/* ===== 品牌介绍页 ===== */
.page-about{
  --about-rail-w:96px;
  --about-hair:rgba(30,34,38,.16);
  --about-hair-inv:rgba(247,246,242,.22);
  background:var(--snow);
  color:var(--ink-900);
  font-family:var(--font-body);
  box-sizing:border-box;
}
.page-about *,
.page-about *::before,
.page-about *::after{ box-sizing:border-box; }

.page-about .about-wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}

/* --- 面包屑 --- */
.page-about .about-crumb{
  padding:18px 0 14px;
  border-bottom:1px solid var(--about-hair);
}
.page-about .about-crumb__sep{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--dust-400);
  margin:0 8px;
}

/* --- 首屏 --- */
.page-about .about-hero{
  padding:clamp(38px,6vw,82px) 0 clamp(46px,6vw,92px);
}
.page-about .about-hero__mark{
  margin:0 0 clamp(16px,2.6vw,30px);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--dust-400);
}
.page-about .about-hero__title{
  margin:0 0 clamp(30px,4.4vw,58px);
  max-width:12em;
}
.page-about .about-hero__split{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(26px,4vw,58px);
}
.page-about .about-hero__lead{
  margin:0;
  max-width:36em;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink-700);
}
.page-about .about-hero__facts{
  list-style:none;
  margin:0;
  padding:0;
  border-top:2px solid var(--ink-900);
}
.page-about .about-hero__facts li{
  display:grid;
  grid-template-columns:88px minmax(0,1fr);
  gap:14px;
  align-items:baseline;
  padding:14px 0;
  border-bottom:1px solid var(--about-hair);
}
.page-about .about-hero__fact-num{
  font-size:19px;
  font-weight:700;
  color:var(--clay);
  letter-spacing:-.01em;
}
.page-about .about-hero__fact-txt{
  font-size:14.5px;
  line-height:1.65;
  color:var(--ink-700);
}

/* --- 分区带 --- */
.page-about .about-band{
  padding:clamp(46px,6.4vw,92px) 0;
  background:var(--snow);
}
.page-about .about-band--dust{ background:var(--dust-200); }
.page-about .about-band--paper{ background:var(--paper); }
.page-about .about-band--ink{ background:var(--ink-900); color:var(--snow); }
.page-about .about-band--oasis{ background:var(--oasis-900); color:var(--snow); }
.page-about .about-band--photo{ padding:clamp(28px,4vw,56px) 0; background:var(--snow); }

/* --- 章节骨架 --- */
.page-about .about-chapter{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  outline:0 solid transparent;
  outline-offset:12px;
}
.page-about .about-chapter__body{ min-width:0; }

.page-about .about-chapter__rail{
  display:flex;
  align-items:center;
  gap:12px;
}
.page-about .about-chapter__num{
  font-size:clamp(26px,3.2vw,38px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--clay);
}
.page-about .about-chapter__rule{
  flex:1;
  min-width:26px;
  height:1px;
  background:var(--about-hair);
}
.page-about .about-chapter__tag{
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--dust-400);
  white-space:nowrap;
}
.page-about .about-chapter--inverse .about-chapter__rule{ background:var(--about-hair-inv); }
.page-about .about-chapter--inverse .about-chapter__tag{ color:rgba(247,246,242,.62); }

.page-about .about-chapter__body > h2{
  margin:0 0 22px;
  max-width:24em;
}
.page-about .about-band--oasis .about-chapter__body > h2{ color:var(--snow); }
.page-about .about-band--ink .about-tl__title-main{ color:var(--snow); }

.page-about .about-p{
  margin:0 0 18px;
  max-width:40em;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink-700);
}
.page-about .about-p:last-child{ margin-bottom:0; }
.page-about .about-band--oasis .about-p{ color:rgba(247,246,242,.82); }
.page-about .about-p--after{ margin-top:24px; }
.page-about .about-p--oasis{ margin-top:26px; }

.page-about .about-chapter__body a{
  color:var(--clay);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.page-about .about-band--oasis .about-chapter__body a{ color:#E8B79A; }
.page-about .about-band--ink .about-tl__link a{ color:#E8B79A; }

/* 锚点命中闪烁 */
.page-about .about-chapter:target{
  outline-color:var(--pom);
  animation:about-flash 1.2s var(--ease) 1;
}
@keyframes about-flash{
  0%,62%{ outline-color:var(--pom); }
  100%{ outline-color:transparent; }
}

/* --- 01 起点小注 --- */
.page-about .about-note{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:14px;
  align-items:start;
  margin-top:26px;
  padding:16px 18px;
  background:var(--paper);
  border-left:3px solid var(--clay);
  box-shadow:var(--stack);
}
.page-about .about-note__num{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--clay);
  padding-top:3px;
}
.page-about .about-note__txt{
  margin:0;
  font-size:15px;
  line-height:1.72;
  color:var(--ink-700);
}

/* --- 02 服务网络 --- */
.page-about .about-net{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  margin-top:28px;
}
.page-about .about-net__map,
.page-about .about-net__photo{
  margin:0;
  min-width:0;
}
.page-about .about-map{
  display:block;
  width:100%;
  height:auto;
  background:var(--snow);
  border:1px solid var(--about-hair);
  box-shadow:var(--stack);
}
.page-about .about-net__photo img{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:14/9;
  object-fit:cover;
  border:1px solid var(--about-hair);
  background:var(--paper);
}

/* --- 图片通用 --- */
.page-about .about-photo{ margin:0; min-width:0; }
.page-about .about-photo img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
  border:1px solid var(--about-hair);
  background:var(--paper);
}
.page-about .about-photo--wide img{ aspect-ratio:2/1; }
.page-about .about-photo--square img{ aspect-ratio:1/1; }
.page-about .jd-media__cap{
  display:block;
  margin-top:10px;
  font-size:13px;
  line-height:1.65;
  color:var(--dust-400);
}

/* --- 03 团队 --- */
.page-about .about-team{ margin-top:28px; }
.page-about .about-team__filter{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:22px;
}
.page-about .jd-filter__btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border:1px solid var(--about-hair);
  border-radius:var(--radius);
  background:transparent;
  color:var(--ink-700);
  font-family:var(--font-body);
  font-size:14px;
  line-height:1.2;
  cursor:pointer;
  transition:border-color .18s var(--ease),color .18s var(--ease),background-color .18s var(--ease);
}
.page-about .jd-filter__btn:hover{ border-color:var(--ink-700); }
.page-about .jd-filter__btn.is-active,
.page-about .jd-filter__btn[aria-pressed="true"]{
  border-color:var(--pom);
  color:var(--pom);
  background:rgba(174,43,51,.07);
}
.page-about .jd-filter__btn:focus-visible{
  outline:2px solid var(--pom);
  outline-offset:2px;
}
.page-about .jd-filter__count{
  font-family:var(--font-mono);
  font-size:12px;
  color:inherit;
  opacity:.72;
}
.page-about .about-team__grid{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.page-about .about-team__card{
  padding:22px 20px 20px;
  background:var(--snow);
  border:1px solid var(--about-hair);
  box-shadow:var(--stack);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.page-about .about-team__card:hover{ border-color:var(--clay); }
.page-about .about-team__card.is-hidden,
.page-about .about-team__card[hidden]{ display:none; }
.page-about .about-team__num{
  display:block;
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--dust-400);
}
.page-about .about-team__role{
  margin:10px 0 4px;
  font-size:19px;
  font-weight:700;
  line-height:1.3;
}
.page-about .about-team__count{
  display:block;
  margin-bottom:14px;
  font-family:var(--font-display);
  font-size:30px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--clay);
}
.page-about .about-team__tags{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:6px;
}
.page-about .about-team__tags li{
  padding:4px 9px;
  font-size:12.5px;
  line-height:1.5;
  color:var(--ink-700);
  background:var(--paper);
  border:1px solid var(--dust-200);
  border-radius:var(--radius);
}

/* --- 沿革时间轴 --- */
.page-about .about-tl__head{ margin-bottom:26px; }
.page-about .about-tl__seq{
  display:block;
  margin-bottom:12px;
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--clay);
}
.page-about .about-tl{
  overflow-x:auto;
  overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
  scroll-snap-type:x mandatory;
  padding:6px 0 22px;
  border-bottom:1px solid var(--about-hair-inv);
}
.page-about .about-tl:focus-visible{
  outline:2px solid var(--clay);
  outline-offset:4px;
}
.page-about .about-tl__track{
  display:flex;
  min-width:max-content;
  padding-bottom:4px;
}
.page-about .about-tl__node{
  position:relative;
  flex:0 0 clamp(228px,26vw,300px);
  margin-right:18px;
  padding:22px 20px 24px;
  background:rgba(247,246,242,.06);
  border:1px solid var(--about-hair-inv);
  scroll-snap-align:start;
}
.page-about .about-tl__node::after{
  content:"";
  position:absolute;
  left:-19px;
  top:36px;
  width:18px;
  height:1px;
  background:rgba(247,246,242,.36);
}
.page-about .about-tl__node:first-child::after{ display:none; }
.page-about .about-tl__year{
  display:block;
  margin-bottom:10px;
  font-size:21px;
  font-weight:700;
  letter-spacing:.03em;
  color:var(--clay);
}
.page-about .about-tl__node-title{
  margin:0 0 8px;
  font-size:16px;
  font-weight:700;
  line-height:1.45;
  color:var(--snow);
}
.page-about .about-tl__node-desc{
  margin:0;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(247,246,242,.7);
}
.page-about .about-tl__hint{
  margin:14px 0 0;
  font-size:12px;
  letter-spacing:.1em;
  color:rgba(247,246,242,.5);
}
.page-about .about-tl__link{
  margin:18px 0 0;
  max-width:44em;
  font-size:14.5px;
  line-height:1.75;
  color:rgba(247,246,242,.72);
}
.page-about .about-tl__link a{
  color:#E8B79A;
  text-decoration:underline;
  text-underline-offset:3px;
}

/* --- 04 五步流程 --- */
.page-about .about-steps{
  list-style:none;
  margin:28px 0 0;
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.page-about .about-steps__item{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
  padding:22px 20px;
  background:var(--paper);
  border:1px solid var(--about-hair);
  box-shadow:var(--stack-hard);
}
.page-about .about-steps__num{
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--clay);
}
.page-about .about-steps__body{ min-width:0; }
.page-about .about-steps__body h3{
  margin:0 0 10px;
  font-size:19px;
  font-weight:700;
  line-height:1.35;
}
.page-about .about-steps__body .about-p{
  font-size:15.5px;
  max-width:40em;
}
.page-about .about-steps__client{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:baseline;
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px dashed rgba(30,34,38,.24);
  font-size:14px;
  line-height:1.7;
  color:var(--ink-700);
}
.page-about .about-steps__client-tag{
  flex:none;
  padding:3px 9px;
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--oasis-900);
  background:rgba(18,63,59,.1);
  border-radius:var(--radius);
}

/* --- 05 进场前清单 --- */
.page-about .about-checker{
  margin-top:28px;
  padding:clamp(20px,3vw,32px);
  background:var(--snow);
  border:1px solid var(--about-hair);
  box-shadow:var(--stack);
}
.page-about .about-checker__label{
  margin:0 0 16px;
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--clay);
}
.page-about .about-checker__list{
  list-style:none;
  margin:0;
  padding:0;
  border-top:1px solid var(--about-hair);
}
.page-about .about-checker__list li{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:14px;
  align-items:start;
  padding:13px 2px;
  border-bottom:1px solid var(--about-hair);
  font-size:15px;
  line-height:1.72;
  color:var(--ink-700);
}
.page-about .about-checker__list[data-expanded="false"] li:nth-child(n+6){ display:none; }
.page-about .about-checker__no{
  font-size:12px;
  color:var(--dust-400);
  padding-top:4px;
}
.page-about .about-checker__more{ margin-top:18px; }

/* --- 06 培训 --- */
.page-about .about-train{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  margin-top:28px;
}
.page-about .about-train__fig{ margin:0; }
.page-about .about-train__text{ min-width:0; }

/* --- 07 合作生态 --- */
.page-about .about-partner{
  list-style:none;
  margin:26px 0 0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:1px;
  background:var(--about-hair);
  border:1px solid var(--about-hair);
}
.page-about .about-partner li{
  padding:20px 18px;
  background:var(--snow);
}
.page-about .about-partner__num{
  display:block;
  margin-bottom:8px;
  font-family:var(--font-display);
  font-size:30px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--oasis-900);
}
.page-about .about-partner__name{
  display:block;
  font-size:13.5px;
  line-height:1.6;
  color:var(--ink-700);
}

/* --- 08 质保与收尾 --- */
.page-about .about-warranty{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  margin-top:28px;
}
.page-about .about-warranty__card{
  padding:22px 20px;
  background:rgba(247,246,242,.06);
  border:1px solid var(--about-hair-inv);
}
.page-about .about-warranty__card::before{
  content:"";
  display:block;
  width:28px;
  height:3px;
  margin-bottom:16px;
  background:var(--clay);
}
.page-about .about-warranty__num{
  display:block;
  font-family:var(--font-display);
  font-size:clamp(30px,4vw,40px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--snow);
}
.page-about .about-warranty__unit{
  display:block;
  margin:10px 0 12px;
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--clay);
}
.page-about .about-warranty__txt{
  margin:0;
  font-size:14px;
  line-height:1.7;
  color:rgba(247,246,242,.74);
}
.page-about .about-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid var(--about-hair-inv);
}
.page-about .about-cta__text{
  flex:1 1 300px;
  margin:0;
  font-size:15px;
  line-height:1.75;
  color:rgba(247,246,242,.8);
}
.page-about .about-band--oasis .jd-btn--outline{
  border-color:rgba(247,246,242,.5);
  color:var(--snow);
}
.page-about .about-band--oasis .jd-btn--outline:hover{
  border-color:var(--snow);
  background:rgba(247,246,242,.08);
}

/* --- 响应式 --- */
@media (min-width:700px){
  .page-about .about-hero__split{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    align-items:start;
  }
  .page-about .about-team__grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .page-about .about-warranty{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

@media (min-width:820px){
  .page-about .about-net{
    grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
    align-items:start;
  }
  .page-about .about-train{
    grid-template-columns:minmax(0,300px) minmax(0,1fr);
    align-items:start;
    gap:clamp(26px,4vw,52px);
  }
}

@media (min-width:900px){
  .page-about .about-chapter{
    grid-template-columns:var(--about-rail-w) minmax(0,1fr);
    gap:clamp(24px,3.6vw,54px);
  }
  .page-about .about-chapter__rail{
    flex-direction:column;
    align-items:flex-start;
    gap:14px;
    position:sticky;
    top:104px;
    align-self:start;
    padding-top:8px;
  }
  .page-about .about-chapter__rule{
    flex:none;
    width:1px;
    min-width:0;
    height:58px;
  }
  .page-about .about-steps__item{
    grid-template-columns:104px minmax(0,1fr);
    gap:24px;
    padding:26px 28px;
  }
}

@media (max-width:699px){
  .page-about .about-hero__facts li{
    grid-template-columns:1fr;
    gap:4px;
  }
  .page-about .about-hero__fact-num{ font-size:18px; }
  .page-about .about-partner{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .page-about .about-tl__node{ flex-basis:78vw; }
}

@media (prefers-reduced-motion:reduce){
  .page-about *,
  .page-about *::before,
  .page-about *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .page-about .about-chapter:target{ outline-color:var(--pom); }
}