.page-contact {
  --pc-radius: 14px;
  --pc-gap: clamp(18px, 2.6vw, 30px);
  background: var(--ink-900);
}

/* ---------- 面包屑 ---------- */
.page-contact .pc-breadcrumbs {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-contact .pc-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-contact .pc-breadcrumbs li + li::before {
  content: "/";
  color: var(--copper);
  opacity: .6;
}
.page-contact .pc-breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.page-contact .pc-breadcrumbs a:hover {
  color: var(--paper);
  border-color: var(--cinnabar);
}
.page-contact .pc-breadcrumbs [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: clamp(18px, 3vw, 30px) 0 clamp(44px, 6vw, 78px);
  background:
    radial-gradient(900px 480px at 92% -14%, rgba(226, 84, 42, .20), transparent 60%),
    radial-gradient(700px 420px at -8% 108%, rgba(47, 183, 155, .14), transparent 62%),
    var(--ink-900);
}
.page-contact .pc-hero__eyebrow {
  margin: clamp(26px, 4vw, 44px) 0 0;
}
.page-contact .pc-hero__title {
  margin: 12px 0 0;
  max-width: 15ch;
  font-size: clamp(2rem, 5.6vw, 3.7rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .pc-hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .pc-top {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(30px, 4.5vw, 54px);
}

/* ---------- 需求类型 ---------- */
.page-contact .pc-choose__title {
  margin: 8px 0 16px;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-weight: 300;
  letter-spacing: .01em;
  color: var(--paper);
}
.page-contact .pc-req-list {
  display: grid;
  border-top: 1px solid var(--line-copper);
}
.page-contact .pc-req {
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .pc-req__btn {
  width: 100%;
  display: grid;
  grid-template-columns: 34px 1fr 22px;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 15px 2px;
  background: transparent;
  border: 0;
  border-radius: 0;
  color: var(--paper);
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}
.page-contact .pc-req__btn:hover {
  background: rgba(200, 155, 74, .07);
}
.page-contact .pc-req__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--copper);
  transition: color var(--t-fast);
}
.page-contact .pc-req__btn[aria-expanded="true"] .pc-req__idx {
  color: var(--cinnabar-hi);
}
.page-contact .collapse__sign {
  position: relative;
  width: 18px;
  height: 18px;
  justify-self: end;
}
.page-contact .collapse__sign::before,
.page-contact .collapse__sign::after {
  content: "";
  position: absolute;
  background: var(--copper);
  transition: transform var(--t-fast), background var(--t-fast);
}
.page-contact .collapse__sign::before {
  left: 0;
  top: 8.5px;
  width: 18px;
  height: 1.5px;
}
.page-contact .collapse__sign::after {
  left: 8.25px;
  top: 0;
  width: 1.5px;
  height: 18px;
}
.page-contact .pc-req__btn[aria-expanded="true"] .collapse__sign::after {
  transform: scaleY(0);
}
.page-contact .collapse__panel {
  padding: 2px 2px 18px;
}
.page-contact .pc-req__note {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .pc-req__k {
  color: var(--copper);
  font-weight: 600;
  letter-spacing: .04em;
}
.page-contact .pc-need {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  color: var(--muted);
}
.page-contact .pc-need li {
  position: relative;
  padding-left: 14px;
  line-height: 1.6;
}
.page-contact .pc-need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  background: var(--jade);
}
.page-contact .pc-req__more {
  margin: 14px 0 0;
  font-size: 13.5px;
}
.page-contact .pc-req__more a {
  color: var(--cinnabar-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(226, 84, 42, .45);
  transition: border-color var(--t-fast), color var(--t-fast);
}
.page-contact .pc-req__more a:hover {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 联系方式面板 ---------- */
.page-contact .pc-channels {
  display: grid;
  align-content: start;
}
.page-contact .pc-panel {
  border: 1px solid var(--line-copper);
  border-radius: var(--pc-radius);
  background: linear-gradient(165deg, var(--ink-800) 0%, var(--ink-850) 100%);
  padding: clamp(18px, 2.4vw, 26px);
  box-shadow: 0 26px 64px -34px rgba(0, 0, 0, .8);
}
.page-contact .pc-panel__title {
  margin: 6px 0 16px;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--paper);
}
.page-contact .pc-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .pc-panel__title + .pc-row {
  border-top: 0;
  padding-top: 2px;
}
.page-contact .pc-row__label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}
.page-contact .pc-row__value {
  display: block;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .pc-row__value--mail {
  font-size: 14.5px;
  font-weight: 500;
}
.page-contact .pc-row__note {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}
.page-contact .pc-compass {
  flex: none;
  margin-top: 2px;
  color: var(--copper);
}
.page-contact .pc-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid var(--line-copper-strong);
  border-radius: 999px;
  background: rgba(200, 155, 74, .08);
  color: var(--copper);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .06em;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: #fff;
}
.page-contact .pc-copy .copy-btn__hint {
  font-size: 11.5px;
  letter-spacing: .02em;
  color: inherit;
  opacity: .85;
}

/* ---------- 城市滚动带 ---------- */
.page-contact .pc-cities {
  padding: clamp(44px, 6vw, 76px) 0 clamp(30px, 4vw, 52px);
  background: linear-gradient(180deg, var(--ink-850) 0%, var(--ink-900) 78%);
}
.page-contact .pc-cities__head {
  padding-bottom: clamp(18px, 2.6vw, 30px);
}
.page-contact .pc-cities__title {
  margin: 10px 0 0;
  max-width: 20ch;
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .pc-cities__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-contact .pc-strip {
  display: flex;
  gap: 14px;
  padding: 6px var(--gutter) 26px max(var(--gutter), calc((100% - var(--content-max)) / 2 + var(--gutter)));
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line-copper-strong) transparent;
}
.page-contact .pc-strip::-webkit-scrollbar {
  height: 6px;
}
.page-contact .pc-strip::-webkit-scrollbar-thumb {
  background: var(--line-copper-strong);
  border-radius: 999px;
}
.page-contact .pc-strip::-webkit-scrollbar-track {
  background: transparent;
}
.page-contact .pc-city {
  flex: 0 0 min(78%, 290px);
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--pc-radius);
  background: var(--ink-800);
  scroll-snap-align: start;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.page-contact .pc-city:hover {
  border-color: var(--line-copper-strong);
  background: var(--ink-750);
}
.page-contact .pc-city__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.page-contact .pc-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .08em;
}
.page-contact .pc-tag--east {
  color: var(--copper);
  border-color: var(--line-copper-strong);
  background: rgba(200, 155, 74, .10);
}
.page-contact .pc-tag--south {
  color: var(--cinnabar-hi);
  border-color: rgba(226, 84, 42, .45);
  background: rgba(226, 84, 42, .12);
}
.page-contact .pc-city__live {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--jade);
}
.page-contact .pc-city__live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 3px rgba(47, 183, 155, .18);
}
.page-contact .pc-city__name {
  margin: 14px 0 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}
.page-contact .pc-city__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  color: var(--muted);
}
.page-contact .pc-city__list li {
  padding: 3px 9px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
}

/* ---------- 在线工单 ---------- */
.page-contact .pc-ticket {
  padding: clamp(44px, 6vw, 78px) 0;
  background: var(--ink-900);
}
.page-contact .pc-ticket__grid {
  display: grid;
  gap: var(--pc-gap);
}
.page-contact .pc-ticket__title {
  margin: 10px 0 16px;
  max-width: 22ch;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .pc-ticket__text {
  margin: 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}
.page-contact .pc-ticket__list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-ticket__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}
.page-contact .pc-ticket__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--copper);
}
.page-contact .pc-ticket__side {
  align-self: start;
  padding: 20px;
  border: 1px solid rgba(226, 84, 42, .40);
  border-radius: var(--pc-radius);
  background: linear-gradient(160deg, rgba(226, 84, 42, .15), rgba(14, 26, 51, .72));
}
.page-contact .pc-ticket__side h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--paper);
}
.page-contact .pc-ticket__side p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 云南与西南 ---------- */
.page-contact .pc-southwest {
  padding: clamp(44px, 6vw, 82px) 0;
  background: var(--warmwhite);
  color: var(--warm-text);
}
.page-contact .pc-sw__grid {
  display: grid;
  gap: var(--pc-gap);
}
.page-contact .pc-southwest .index-label {
  color: rgba(22, 35, 63, .58);
}
.page-contact .pc-sw__media {
  margin: 0;
}
.page-contact .pc-sw__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--pc-radius);
  border: 1px solid rgba(22, 35, 63, .12);
}
.page-contact .pc-sw__title {
  margin: 10px 0 0;
  max-width: 18ch;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--warm-ink);
}
.page-contact .pc-sw__text {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--warm-text);
}
.page-contact .pc-sw__facts {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-sw__facts li {
  padding-top: 10px;
  border-top: 1px solid rgba(22, 35, 63, .14);
}
.page-contact .pc-sw__facts b {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--warm-ink);
}
.page-contact .pc-sw__facts span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  letter-spacing: .03em;
  color: rgba(60, 71, 99, .88);
}

/* ---------- 合作前准备 ---------- */
.page-contact .pc-prep {
  padding: clamp(44px, 6vw, 82px) 0;
  background:
    radial-gradient(720px 380px at 10% 0%, rgba(200, 155, 74, .13), transparent 62%),
    var(--ink-900);
}
.page-contact .pc-prep__grid {
  display: grid;
  gap: var(--pc-gap);
}
.page-contact .pc-prep__media {
  margin: 0;
}
.page-contact .pc-prep__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--pc-radius);
  border: 1px solid var(--line-copper);
}
.page-contact .pc-prep__title {
  margin: 10px 0 0;
  max-width: 20ch;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .pc-prep__text {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
}
.page-contact .pc-prep__list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-prep__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .pc-prep__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--copper);
}
.page-contact .pc-prep__list b {
  color: var(--paper);
  font-weight: 600;
}
.page-contact .pc-prep__note {
  margin: 18px 0 0;
  max-width: 50ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
  border-left: 2px solid var(--line-copper-strong);
  padding-left: 14px;
}

/* ---------- 延伸阅读 ---------- */
.page-contact .pc-next {
  margin-top: clamp(30px, 4vw, 46px);
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--line-copper);
}
.page-contact .pc-next__list {
  display: grid;
  gap: 6px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-next__list a {
  position: relative;
  display: block;
  padding: 12px 0 12px 20px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--t-fast), border-color var(--t-fast), padding-left var(--t-fast);
}
.page-contact .pc-next__list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 9px;
  height: 1px;
  background: var(--cinnabar);
  transition: width var(--t-fast);
}
.page-contact .pc-next__list a:hover,
.page-contact .pc-next__list a:focus-visible {
  color: var(--cinnabar-hi);
  border-color: var(--line-copper-strong);
  padding-left: 26px;
}
.page-contact .pc-next__list a:hover::before,
.page-contact .pc-next__list a:focus-visible::before {
  width: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .pc-sw__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .collapse__panel {
    padding-left: 44px;
  }
}

@media (min-width: 640px) {
  .page-contact .pc-city {
    flex-basis: min(46%, 320px);
  }
}

@media (min-width: 720px) {
  .page-contact .pc-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-ticket__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

@media (min-width: 980px) {
  .page-contact .pc-sw__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }
  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-top {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }
  .page-contact .pc-city {
    flex-basis: min(24%, 300px);
  }
}