/* ===== 反馈通道 · 页面专属样式（作用域 .page-contact） ===== */
.page-contact{
  --pc-cut: 20px;
  --pc-gap: clamp(18px, 2.6vw, 32px);
  --pc-line: rgba(110, 106, 98, .30);
  --pc-soft: rgba(216, 196, 164, .34);
  background: var(--c-sand);
  color: var(--c-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .section{
  position: relative;
  padding-block: clamp(44px, 6vw, 86px);
}

.page-contact .block-head{
  max-width: 46em;
  margin-bottom: clamp(24px, 3.4vw, 44px);
}
.page-contact .block-head h2{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--c-cyan);
  margin: 10px 0 12px;
}
.page-contact .block-head .block-lede{
  font-size: 15.5px;
  line-height: 1.78;
  color: #4a463f;
  max-width: 36em;
  margin: 0;
}
.page-contact .eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-clay);
  margin: 0;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb__list{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 36px);
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-rock);
}
.page-contact .breadcrumb__list li + li::before{
  content: "/";
  margin-right: 8px;
  color: var(--c-rock);
}
.page-contact .breadcrumb__list a{
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-line);
  transition: border-color .24s var(--ease);
}
.page-contact .breadcrumb__list a:hover{
  border-color: var(--c-red);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-head{
  padding-top: clamp(26px, 3.6vw, 46px);
  padding-bottom: clamp(30px, 4.6vw, 62px);
  background:
    linear-gradient(180deg, rgba(15, 59, 58, .06), rgba(15, 59, 58, 0) 72%),
    var(--c-sand);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .head-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 38px);
}
.page-contact .head-coord{
  display: none;
}
.page-contact .head-main h1{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 60px);
  line-height: 1.12;
  letter-spacing: -.022em;
  color: var(--c-cyan);
  margin: 12px 0 18px;
  max-width: 17em;
}
.page-contact .head-lede{
  font-size: clamp(15.5px, 1.5vw, 18px);
  line-height: 1.82;
  color: #403c35;
  max-width: 34em;
  margin: 0 0 22px;
}
.page-contact .head-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- 联系信息三卡 ---------- */
.page-contact .channel-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}
.page-contact .channel-card{
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 2.6vw, 32px) clamp(20px, 2.4vw, 30px) clamp(24px, 2.8vw, 34px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
  transition: transform .28s var(--ease);
}
.page-contact .channel-card:hover{
  transform: translateY(-3px);
}
.page-contact .channel-card--mail{
  background: var(--c-cyan);
  color: var(--c-sand);
}
.page-contact .channel-card--tel{
  background: var(--c-night);
  color: var(--c-sand);
}
.page-contact .channel-card--addr{
  background: var(--c-sand-2);
  color: var(--c-ink);
}
.page-contact .channel-card__coord{
  position: absolute;
  top: clamp(16px, 2vw, 22px);
  right: clamp(16px, 2vw, 22px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  opacity: .6;
}
.page-contact .channel-card__title{
  font-family: var(--font-display);
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 700;
  letter-spacing: .02em;
  margin: 4px 0 16px;
}
.page-contact .channel-card__value{
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.45vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--c-whistle);
  word-break: break-word;
  user-select: all;
}
.page-contact .channel-card--addr .channel-card__value{
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
}
.page-contact .channel-card__desc{
  font-size: 14.5px;
  line-height: 1.72;
  opacity: .84;
  margin: 0 0 20px;
}
.page-contact .channel-card__meta{
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  opacity: .62;
}

/* ---------- 场景图 ---------- */
.page-contact .contact-scene{
  margin: clamp(28px, 4vw, 52px) 0 0;
}
.page-contact .contact-scene img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.86);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-contact .contact-scene figcaption{
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--c-rock);
}

/* ---------- 反馈类型分流 ---------- */
.page-contact .contact-routing{
  background:
    repeating-linear-gradient(-45deg, rgba(15, 59, 58, .035) 0 1px, transparent 1px 11px),
    var(--c-sand);
}
.page-contact .route-list{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-line);
}
.page-contact .route-item{
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(20px, 2.6vw, 30px) clamp(8px, 1.2vw, 16px);
  border-bottom: 1px solid var(--pc-line);
  transition: background .28s var(--ease);
}
.page-contact .route-item::before{
  content: "";
  position: absolute;
  left: 0;
  top: 12%;
  bottom: 12%;
  width: 3px;
  background: var(--c-whistle);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .3s var(--ease);
}
.page-contact .route-item:hover,
.page-contact .route-item:focus-within{
  background: var(--pc-soft);
}
.page-contact .route-item:hover::before,
.page-contact .route-item:focus-within::before{
  transform: scaleY(1);
}
.page-contact .route-item__no{
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  line-height: 1;
  padding-top: 6px;
  color: var(--c-rock);
  transition: color .28s var(--ease), transform .28s var(--ease);
}
.page-contact .route-item:hover .route-item__no,
.page-contact .route-item:focus-within .route-item__no{
  color: var(--c-cyan);
  transform: translateX(2px);
}
.page-contact .route-item__head{
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.page-contact .route-item__head h3{
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  color: var(--c-cyan);
  margin: 0;
}
.page-contact .route-item__icon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex: none;
  color: var(--c-rock);
  border: 1px solid var(--pc-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: color .28s var(--ease), border-color .28s var(--ease);
}
.page-contact .route-item:hover .route-item__icon,
.page-contact .route-item:focus-within .route-item__icon{
  color: var(--c-red);
  border-color: var(--c-red);
}
.page-contact .route-item__brief{
  font-size: 15px;
  line-height: 1.72;
  color: #4a463f;
  margin: 0;
}
.page-contact .route-item__hint{
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows .32s var(--ease);
}
.page-contact .route-item__hintInner{
  overflow: hidden;
}
.page-contact .hint-label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-clay);
  margin: 15px 0 8px;
}
.page-contact .route-item__hintInner ul{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.page-contact .route-item__hintInner li{
  position: relative;
  padding-left: 17px;
  font-size: 14px;
  line-height: 1.66;
  color: #4a463f;
}
.page-contact .route-item__hintInner li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 8px;
  height: 1px;
  background: var(--c-rock);
}

/* ---------- 斜切分隔带 ---------- */
.page-contact .slash-divider{
  height: 12px;
  background: repeating-linear-gradient(-45deg, var(--c-clay) 0 9px, var(--c-whistle) 9px 18px);
  opacity: .82;
}

/* ---------- 提交之后 ---------- */
.page-contact .contact-process{
  background: var(--c-sand);
}
.page-contact .process-stack{
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}
.page-contact .process-panel{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(22px, 3vw, 34px) clamp(20px, 2.8vw, 34px);
  background-color: var(--c-sand-2);
  background-image: repeating-linear-gradient(-45deg, rgba(15, 59, 58, .045) 0 1px, transparent 1px 10px);
  border-left: 4px solid var(--c-moss);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
}
.page-contact .process-panel:nth-child(2){
  border-left-color: var(--c-clay);
}
.page-contact .process-panel:nth-child(3){
  border-left-color: var(--c-cyan);
}
.page-contact .process-panel__index{
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: rgba(15, 59, 58, .22);
}
.page-contact .process-panel__content h3{
  font-family: var(--font-display);
  font-size: clamp(18px, 2.1vw, 24px);
  font-weight: 700;
  color: var(--c-cyan);
  margin: 0 0 10px;
}
.page-contact .process-panel__content > p{
  font-size: 15px;
  line-height: 1.76;
  color: #403c35;
  margin: 0 0 16px;
  max-width: 42em;
}
.page-contact .tick-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-contact .tick-list li{
  position: relative;
  padding-left: 19px;
  font-size: 14px;
  line-height: 1.68;
  color: #4a463f;
}
.page-contact .tick-list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 8px;
  height: 8px;
  background: var(--c-moss);
}

/* ---------- 回复时间带 ---------- */
.page-contact .contact-time{
  background:
    linear-gradient(180deg, rgba(216, 196, 164, .35), rgba(216, 196, 164, 0) 60%),
    var(--c-sand);
}
.page-contact .time-band{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-line);
}
.page-contact .time-band__row{
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: clamp(14px, 1.9vw, 20px) 0;
  border-bottom: 1px solid var(--pc-line);
}
.page-contact .time-band__label{
  font-size: 15px;
  font-weight: 600;
  color: var(--c-cyan);
}
.page-contact .time-band__track{
  display: block;
  height: 8px;
  background: rgba(110, 106, 98, .2);
  overflow: hidden;
}
.page-contact .time-band__fill{
  display: block;
  height: 100%;
  transition: width .4s var(--ease);
}
.page-contact .time-band__fill--a{ width: 20%; background: var(--c-cyan); }
.page-contact .time-band__fill--b{ width: 30%; background: var(--c-moss); }
.page-contact .time-band__fill--c{ width: 30%; background: var(--c-moss); }
.page-contact .time-band__fill--d{ width: 54%; background: var(--c-clay); }
.page-contact .time-band__fill--e{ width: 76%; background: var(--c-rock); }
.page-contact .time-band__value{
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .03em;
  color: var(--c-ink);
}
.page-contact .time-note{
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--c-whistle);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--c-rock);
}

/* ---------- 相关栏目 ---------- */
.page-contact .cross-links{
  padding-block: clamp(22px, 3vw, 36px);
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
}
.page-contact .cross-links ul{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .cross-links a{
  display: block;
  padding: 14px 16px;
  background: var(--pc-soft);
  color: var(--c-cyan);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.page-contact .cross-links a:hover{
  background: var(--c-sand-2);
  transform: translateX(2px);
}
.page-contact .cross-links a span{
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-rock);
  margin-bottom: 5px;
}

/* ---------- 寄送与协作 ---------- */
.page-contact .contact-coverage{
  position: relative;
  overflow: hidden;
  background: var(--c-night);
  color: var(--c-sand);
  padding-block: clamp(50px, 7vw, 96px);
}
.page-contact .contact-coverage::before{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 10px;
  background: repeating-linear-gradient(-45deg, var(--c-clay) 0 10px, transparent 10px 20px);
  opacity: .75;
  z-index: 2;
}
.page-contact .coverage-bg{
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .2;
}
.page-contact .coverage-bg img{
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .coverage-inner{
  position: relative;
  z-index: 1;
  max-width: 44em;
}
.page-contact .coverage-inner .eyebrow{
  color: var(--c-whistle);
}
.page-contact .coverage-inner h2{
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--c-sand);
  margin: 10px 0 16px;
}
.page-contact .coverage-inner p{
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(243, 232, 214, .84);
  margin: 0 0 14px;
}
.page-contact .coverage-inner p:last-child{
  margin-bottom: 0;
}

/* ---------- 焦点反馈 ---------- */
.page-contact a:focus-visible{
  outline: 2px solid var(--c-whistle);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-contact .cross-links ul{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .tick-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px){
  .page-contact .channel-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .time-band__row{
    grid-template-columns: minmax(140px, 190px) minmax(0, 1fr) minmax(110px, 150px);
    align-items: center;
    gap: clamp(14px, 2vw, 28px);
  }
  .page-contact .time-band__value{
    text-align: right;
  }
}

@media (min-width: 900px){
  .page-contact .head-grid{
    grid-template-columns: 34px minmax(0, 1fr);
    align-items: start;
    gap: clamp(20px, 3vw, 40px);
  }
  .page-contact .head-coord{
    display: block;
    align-self: stretch;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .3em;
    text-transform: uppercase;
    color: var(--c-rock);
    margin: 0;
  }
  .page-contact .process-panel{
    grid-template-columns: 72px minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .route-item__hint{
    grid-template-rows: 0fr;
  }
  .page-contact .route-item:hover .route-item__hint,
  .page-contact .route-item:focus-within .route-item__hint{
    grid-template-rows: 1fr;
  }
}

@media (min-width: 1000px){
  .page-contact .cross-links ul{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .contact-scene{
    margin-top: clamp(34px, 4.4vw, 58px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after{
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}