/* ================= 反馈通道 /feedback/ ================= */

.page-contact {
  --pc-stack-shift: 12px;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: calc(var(--header-h) + var(--s-7)) 0 var(--s-8);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -35%;
  width: 64%;
  height: 128%;
  background: var(--terra);
  clip-path: polygon(42% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.86;
  z-index: 0;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(244, 241, 236, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 241, 236, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
  z-index: 0;
}

.page-contact .pc-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .pc-crumb {
  margin-bottom: var(--s-6);
  font-size: 13px;
  color: rgba(244, 241, 236, 0.6);
}

.page-contact .pc-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-crumb li + li::before {
  content: "/";
  margin-right: var(--s-2);
  opacity: 0.5;
}

.page-contact .pc-crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .pc-crumb a:hover,
.page-contact .pc-crumb a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .pc-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
  align-items: end;
}

.page-contact .pc-hero-kicker {
  color: var(--lime);
  letter-spacing: 0.14em;
  margin: 0 0 var(--s-4);
}

.page-contact .pc-hero h1 {
  margin: 0 0 var(--s-5);
  font-size: clamp(32px, 8vw, 56px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -0.02em;
}

.page-contact .pc-hero-lede {
  max-width: 46ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 241, 236, 0.82);
}

.page-contact .pc-hotline {
  border: 1px solid var(--line-dark);
  border-left: 4px solid var(--lime);
  background: var(--graphite);
  padding: var(--s-5);
}

.page-contact .pc-hotline-kicker {
  margin: 0;
  color: rgba(244, 241, 236, 0.62);
}

.page-contact .pc-hotline-num {
  margin: var(--s-3) 0;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-contact .pc-hotline-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 241, 236, 0.72);
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-block {
  padding: var(--s-8) 0;
}

.page-contact .pc-block-head {
  max-width: 720px;
  margin-bottom: var(--s-7);
}

.page-contact .pc-eyebrow {
  margin: 0 0 var(--s-3);
  letter-spacing: 0.18em;
  color: var(--terra-deep);
}

.page-contact .pc-block-head h2,
.page-contact .pc-visit-intro h2 {
  margin: 0 0 var(--s-4);
  font-size: clamp(26px, 5.6vw, 34px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-contact .pc-block-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 三张联系卡 + 留言面板 ---------- */
.page-contact .pc-channels {
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-grid-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
}

.page-contact .pc-geo {
  margin: 0 0 var(--s-6);
}

.page-contact .pc-card-stack {
  display: grid;
  gap: var(--s-5);
}

.page-contact .pc-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  padding: var(--s-5) var(--s-5) var(--s-5) var(--s-6);
  transition: border-color var(--dur-fast) var(--ease);
}

.page-contact .pc-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--terra);
  transition: width var(--dur-fast) var(--ease);
}

.page-contact .pc-card:hover::before,
.page-contact .pc-card:focus-within::before {
  width: 4px;
}

.page-contact .pc-card--phone::before {
  background: var(--lake);
}

.page-contact .pc-card--addr::before {
  background: var(--terra-deep);
}

.page-contact .pc-card:hover {
  border-color: rgba(15, 20, 22, 0.28);
}

.page-contact .pc-card-tag {
  margin: 0 0 var(--s-2);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--terra-deep);
}

.page-contact .pc-card--phone .pc-card-tag {
  color: var(--lake);
}

.page-contact .pc-card-title {
  margin: 0 0 var(--s-2);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--stone);
}

.page-contact .pc-card-value {
  margin: 0 0 var(--s-3);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-card--phone .pc-card-value {
  font-size: 26px;
  letter-spacing: 0.04em;
}

.page-contact .pc-card-value--addr {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
}

.page-contact .pc-card-desc {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .pc-card--addr::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 120px;
  height: 76px;
  background-image:
    linear-gradient(to right, rgba(15, 20, 22, 0.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 20, 22, 0.12) 1px, transparent 1px);
  background-size: 19px 19px;
  pointer-events: none;
}

/* 留言面板 */
.page-contact .pc-aside {
  background: var(--graphite);
  color: var(--paper);
  border-top: 4px solid var(--terra);
  padding: var(--s-6) var(--s-5);
}

.page-contact .pc-aside-kicker {
  margin: 0 0 var(--s-3);
  color: var(--lime);
  letter-spacing: 0.14em;
}

.page-contact .pc-aside-title {
  margin: 0 0 var(--s-6);
  font-size: 24px;
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-contact .pc-field-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--s-5);
}

.page-contact .pc-field-list li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: var(--s-3);
  padding-top: var(--s-4);
  border-top: 1px solid var(--line-dark);
}

.page-contact .pc-field-no {
  font-size: 13px;
  color: var(--lime);
  letter-spacing: 0.06em;
}

.page-contact .pc-field-title {
  display: block;
  margin-bottom: var(--s-1);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .pc-field-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 241, 236, 0.7);
}

.page-contact .pc-aside-foot {
  margin-top: var(--s-6);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line-dark);
}

.page-contact .pc-aside-line {
  margin: 0 0 var(--s-3);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 241, 236, 0.86);
}

.page-contact .pc-aside-line .mono {
  color: var(--lime);
}

.page-contact .pc-aside-line--dim {
  margin-bottom: 0;
  font-size: 13px;
  color: rgba(244, 241, 236, 0.58);
}

.page-contact .pc-aside-line--dim a {
  color: rgba(244, 241, 236, 0.82);
  text-decoration: none;
  border-bottom: 1px solid var(--lake);
}

.page-contact .pc-aside-line--dim a:hover,
.page-contact .pc-aside-line--dim a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 按诉求选渠道 ---------- */
.page-contact .pc-routes {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .pc-routes .pc-eyebrow {
  color: var(--lime);
}

.page-contact .pc-routes .pc-block-lede {
  color: rgba(244, 241, 236, 0.72);
}

.page-contact .pc-routes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
}

.page-contact .pc-route {
  border-top: 1px solid var(--line-dark);
}

.page-contact .pc-route:last-of-type {
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .pc-route summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--s-3);
  padding: var(--s-5) 0;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur-fast) var(--ease);
}

.page-contact .pc-route summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-route summary:hover {
  background: rgba(196, 83, 43, 0.12);
}

.page-contact .pc-route summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .pc-route summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .pc-route[open] summary::after {
  content: "\2212";
}

.page-contact .pc-route-no {
  font-size: 13px;
  color: var(--lime);
  letter-spacing: 0.06em;
}

.page-contact .pc-route-name {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-contact .pc-route-chan {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(244, 241, 236, 0.58);
}

.page-contact .pc-route-body {
  display: grid;
  gap: var(--s-4);
  max-width: 58ch;
  padding: 0 0 var(--s-6);
}

.page-contact .pc-route-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 236, 0.76);
}

.page-contact .pc-route-body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(185, 242, 39, 0.5);
}

.page-contact .pc-route-body a:hover,
.page-contact .pc-route-body a:focus-visible {
  border-bottom-color: var(--lime);
}

.page-contact .pc-route-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--s-2);
}

.page-contact .pc-route-list li {
  position: relative;
  padding-left: var(--s-5);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 236, 0.66);
}

.page-contact .pc-route-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--lake);
}

.page-contact .pc-routes-figure {
  margin: 0;
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .pc-visit {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
}

.page-contact .pc-visit-lede {
  margin: 0 0 var(--s-4);
  font-size: 15px;
  line-height: 1.82;
  color: var(--stone);
}

.page-contact .pc-visit-intro a,
.page-contact .pc-before-more a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 124, 134, 0.45);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.page-contact .pc-visit-intro a:hover,
.page-contact .pc-visit-intro a:focus-visible,
.page-contact .pc-before-more a:hover,
.page-contact .pc-before-more a:focus-visible {
  color: var(--terra-deep);
  border-bottom-color: var(--terra-deep);
}

.page-contact .pc-visit-item {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--terra);
  margin-bottom: var(--s-3);
}

.page-contact .pc-visit-item:last-child {
  margin-bottom: 0;
}

.page-contact .pc-visit-item summary {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-5);
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .pc-visit-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-visit-item summary:focus-visible {
  outline: 2px solid var(--lake);
  outline-offset: -2px;
}

.page-contact .pc-visit-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--terra);
}

.page-contact .pc-visit-item[open] summary::after {
  content: "\2212";
}

.page-contact .pc-visit-item[open] {
  border-left-color: var(--lake);
}

.page-contact .pc-visit-item p {
  margin: 0;
  padding: 0 var(--s-5) var(--s-5);
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .pc-visit-item p a {
  color: var(--lake);
}

/* ---------- 联系前先看三条 ---------- */
.page-contact .pc-before-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-6);
}

.page-contact .pc-before-item {
  padding-top: var(--s-4);
  border-top: 2px solid var(--ink);
}

.page-contact .pc-before-item:nth-child(2) {
  border-top-color: var(--terra);
}

.page-contact .pc-before-item:nth-child(3) {
  border-top-color: var(--lake);
}

.page-contact .pc-before-no {
  margin: 0 0 var(--s-3);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-contact .pc-before-item h3 {
  margin: 0 0 var(--s-3);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact .pc-before-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--stone);
}

.page-contact .pc-before-more {
  max-width: 60ch;
  margin: var(--s-7) 0 0;
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 图片容器微调 ---------- */
.page-contact .img-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-geo img {
  aspect-ratio: 21 / 9;
}

.page-contact .pc-routes-figure img {
  aspect-ratio: 3 / 2;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-block {
    padding: var(--s-9) 0;
  }

  .page-contact .pc-aside {
    padding: var(--s-7) var(--s-6);
  }

  .page-contact .pc-before-grid {
    grid-template-columns: 1.15fr 0.95fr 1fr;
    gap: var(--s-5);
  }
}

@media (min-width: 760px) {
  .page-contact .pc-hero {
    padding: calc(var(--header-h) + var(--s-9)) 0 var(--s-9);
  }

  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.85fr);
    gap: var(--s-8);
  }
}

@media (min-width: 900px) {
  .page-contact .pc-visit-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: var(--s-8);
  }

  .page-contact .pc-card-stack > .pc-card:nth-child(2) {
    margin-left: var(--pc-stack-shift);
  }

  .page-contact .pc-card-stack > .pc-card:nth-child(3) {
    margin-left: calc(var(--pc-stack-shift) * 2);
  }

  .page-contact .pc-card {
    padding: var(--s-6) var(--s-6) var(--s-6) var(--s-7);
  }
}

@media (min-width: 980px) {
  .page-contact .pc-grid-split {
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.8fr);
    gap: var(--s-8);
    align-items: start;
  }

  .page-contact .pc-aside {
    position: sticky;
    top: calc(var(--header-h) + var(--s-5));
  }

  .page-contact .pc-routes-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--s-8);
    align-items: start;
  }

  .page-contact .pc-routes-figure {
    position: sticky;
    top: calc(var(--header-h) + var(--s-5));
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.8fr);
  }

  .page-contact .pc-grid-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(340px, 0.76fr);
  }
}
</main>