/* ===== 反馈通道 /feedback/ ===== */
.page-contact {
  --pc-on: var(--ink);
  --pc-on-soft: rgba(20, 18, 16, .68);
  --pc-card: rgba(20, 18, 16, .04);
  --pc-card-line: rgba(20, 18, 16, .12);
  --pc-cut: clamp(22px, 5vw, 44px);
  background: var(--bone);
  color: var(--ink);
}

.page-contact .pc-band {
  padding: var(--pad-section) 0;
}

.page-contact .pc-band + .pc-band {
  padding-top: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.6vw, 54px) 0 clamp(46px, 7vw, 86px);
  color: var(--bone);
  background:
    radial-gradient(120% 92% at 88% 4%, rgba(224, 138, 46, .30) 0%, rgba(224, 138, 46, 0) 62%),
    linear-gradient(158deg, var(--night) 0%, var(--table-green) 54%, var(--moss) 100%);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(30px, 5vw, 64px);
  background: var(--bone);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

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

.page-contact .breadcrumbs {
  margin: 0 0 clamp(20px, 3.4vw, 34px);
}

.page-contact .crumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.4;
}

.page-contact .crumb a {
  color: var(--bone-70);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-contact .crumb[aria-current="page"] {
  color: var(--gold);
  font-weight: 600;
}

.page-contact .crumb-sep {
  color: var(--bone-45);
}

.page-contact .pc-eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
}

.page-contact .pc-h1 {
  margin: 0;
  font-size: clamp(36px, 7.2vw, 74px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-contact .pc-h1::after {
  content: "";
  display: block;
  width: clamp(54px, 8vw, 96px);
  height: 6px;
  margin-top: clamp(14px, 1.8vw, 20px);
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--chip), var(--gold));
}

.page-contact .pc-lede {
  max-width: 36em;
  margin: clamp(18px, 2.4vw, 24px) 0 clamp(24px, 3.6vw, 38px);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--bone-70);
}

.page-contact .pc-quick {
  display: grid;
  gap: 12px;
}

.page-contact .pc-quick-item {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--bone-14);
  border-radius: var(--radius-md);
  background: rgba(246, 241, 230, .06);
}

.page-contact .pc-quick-key {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bone-45);
}

.page-contact .pc-quick-val {
  font-size: clamp(13px, 1.4vw, 15px);
  font-weight: 700;
  color: var(--gold);
  overflow-wrap: anywhere;
}

/* ---------- 三条通道 ---------- */
.page-contact .pc-channel-stack {
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .pc-channel {
  --pc-on: var(--bone);
  --pc-on-soft: var(--bone-70);
  --pc-card: rgba(246, 241, 230, .07);
  --pc-card-line: var(--bone-14);
  position: relative;
  display: grid;
  gap: clamp(18px, 3vw, 40px);
  padding: clamp(24px, 4.2vw, 52px);
  color: var(--pc-on);
  background: var(--table-green);
}

.page-contact .pc-channel--mail {
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, 0 100%);
}

.page-contact .pc-channel--call {
  background: var(--moss);
  clip-path: polygon(0 var(--pc-cut), var(--pc-cut) 0, 100% 0, 100% 100%, 0 100%);
}

.page-contact .pc-channel--post {
  --pc-on: var(--ink);
  --pc-on-soft: rgba(20, 18, 16, .7);
  --pc-card: rgba(246, 241, 230, .82);
  --pc-card-line: rgba(20, 18, 16, .14);
  background: var(--stone);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
}

.page-contact .pc-chan-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--night);
  background: var(--chip);
  box-shadow: 0 0 0 5px rgba(224, 138, 46, .18);
}

.page-contact .pc-chan-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.5vw, 27px);
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--pc-on);
}

.page-contact .pc-chan-scene {
  margin: 0;
  max-width: 28em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-on-soft);
}

.page-contact .pc-field {
  display: grid;
  gap: 7px;
  padding: clamp(16px, 2.2vw, 22px);
  border: 1px solid var(--pc-card-line);
  border-left: 4px solid var(--chip);
  border-radius: var(--radius-md);
  background: var(--pc-card);
}

.page-contact .pc-field-key {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--pc-on-soft);
}

.page-contact .pc-field-val {
  font-size: clamp(15px, 1.9vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .pc-channel--post .pc-field-val {
  color: var(--vermilion);
}

.page-contact .pc-field-val--addr {
  font-family: var(--font-sans);
  font-size: clamp(14px, 1.6vw, 17px);
  line-height: 1.65;
}

.page-contact .pc-field-hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--pc-on-soft);
}

.page-contact .pc-points {
  display: grid;
  gap: 10px;
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pc-on-soft);
}

.page-contact .pc-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--chip);
  box-shadow: 0 0 0 3px rgba(224, 138, 46, .2);
}

.page-contact .pc-fig {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
}

.page-contact .pc-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-contact .pc-fig .img-caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--pc-on-soft);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-checklist {
  display: grid;
  gap: 10px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-check {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid rgba(20, 18, 16, .08);
  border-left: 3px solid var(--chip);
  border-radius: var(--radius-sm);
  background: rgba(226, 218, 200, .5);
}

.page-contact .pc-dot {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--chip) 0 38%, rgba(224, 138, 46, .34) 39% 100%);
}

.page-contact .pc-check p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ash);
}

.page-contact .pc-check strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 问题分流 ---------- */
.page-contact .pc-routes {
  background: linear-gradient(180deg, var(--bone) 0%, rgba(226, 218, 200, .5) 100%);
}

.page-contact .pc-route-grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .pc-route {
  display: grid;
  gap: 9px;
  align-content: start;
  padding: clamp(16px, 2.2vw, 22px);
  border: 1px solid rgba(20, 18, 16, .1);
  border-radius: var(--radius-md);
  background: var(--bone);
  color: var(--ink);
  text-decoration: none;
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-contact .pc-route:hover,
.page-contact .pc-route:focus-visible {
  transform: translateY(-3px);
  border-color: var(--chip);
  box-shadow: 0 20px 40px -30px rgba(10, 33, 25, .72);
}

.page-contact .pc-route .chip {
  justify-self: start;
  background: var(--chip-16);
  color: var(--table-green);
}

.page-contact .pc-route-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .pc-route-desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ash);
}

.page-contact .pc-route-note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ash);
}

.page-contact .pc-route-note a {
  color: var(--table-green);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(224, 138, 46, .65);
}

.page-contact .pc-route-note a:hover,
.page-contact .pc-route-note a:focus-visible {
  color: var(--chip);
}

/* ---------- 收尾通栏 ---------- */
.page-contact .pc-outro {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 5vw, 66px) 0;
  color: var(--bone);
  background: linear-gradient(126deg, var(--night) 0%, var(--table-green) 68%, var(--moss) 100%);
}

.page-contact .pc-outro::before {
  content: "";
  position: absolute;
  right: -10%;
  top: -60%;
  width: 62%;
  height: 200%;
  background: radial-gradient(closest-side, rgba(224, 138, 46, .26), transparent 76%);
  pointer-events: none;
}

.page-contact .pc-outro-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 20px;
  align-items: center;
}

.page-contact .pc-outro-title {
  margin: 0 0 10px;
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-contact .pc-outro-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--bone-70);
}

.page-contact .pc-outro-text .mono {
  color: var(--gold);
}

.page-contact .pc-outro .btn-primary {
  justify-self: start;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-contact .pc-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 18px;
  }
}

@media (min-width: 880px) {
  .page-contact .pc-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-channel {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-contact .pc-channel-intro {
    position: sticky;
    top: 120px;
  }

  .page-contact .pc-outro-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 36px;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-route-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (max-width: 480px) {
  .page-contact .pc-channel {
    padding: 22px 18px;
  }

  .page-contact .pc-field-val {
    font-size: 15px;
  }
}