.page-contact {
  --pc-cut: 16px;
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 36px) 0 40px;
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(120% 100% at 8% 0%, #0d2a24 0%, rgba(5, 16, 14, 0) 62%),
    var(--ink);
}

.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.36;
  filter: saturate(0.85) contrast(1.08);
}

.page-contact .pc-hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 16, 14, 0.78) 0%, rgba(5, 16, 14, 0.5) 42%, rgba(5, 16, 14, 0.97) 100%);
}

.page-contact .pc-hero__veil::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 140px;
  height: 4px;
  background: var(--cyan);
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-contact .st-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .st-breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .st-breadcrumb__list a {
  color: var(--ice);
  text-decoration: none;
}

.page-contact .st-breadcrumb__list a:hover {
  color: var(--cyan);
}

.page-contact .pc-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 22ch;
}

.page-contact .pc-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: #cae0d8;
}

.page-contact .pc-quick {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-quick li {
  min-width: 0;
  padding: 4px 0 4px 12px;
  border-left: 2px solid var(--cyan);
}

.page-contact .pc-quick__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .pc-quick__v {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--ice);
  word-break: break-all;
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-band {
  padding: 46px 0;
  border-top: 2px solid var(--line);
}

.page-contact .pc-band:first-of-type {
  border-top: 0;
}

.page-contact .pc-head {
  display: grid;
  gap: 10px;
  max-width: 760px;
}

.page-contact .pc-head .st-h2,
.page-contact .pc-flow-head .st-h2,
.page-contact .pc-collab__intro .st-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--paper);
}

.page-contact .pc-sub {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 240, 200, 0.4);
}

.page-contact a:hover {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

/* ---------- 渠道卡 ---------- */
.page-contact .pc-channel-grid {
  margin-top: 26px;
  display: grid;
  gap: 16px;
}

.page-contact .pc-channel {
  position: relative;
  min-width: 0;
  padding: 22px 18px 24px;
  background: var(--stand);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  transition: transform 120ms var(--ease), box-shadow 120ms var(--ease), border-color 120ms var(--ease);
}

.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 4px;
  background: var(--cyan);
}

.page-contact .pc-channel--phone::before {
  background: var(--orange);
}

.page-contact .pc-channel--addr::before {
  background: var(--violet);
}

.page-contact .pc-channel:hover {
  transform: translateY(2px);
  box-shadow: var(--shadow-press);
  border-color: var(--cyan);
}

.page-contact .pc-channel .st-tag {
  display: inline-block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-contact .pc-channel .st-h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .pc-copy {
  cursor: text;
  user-select: all;
  -webkit-user-select: all;
  word-break: break-all;
}

.page-contact .pc-channel__val {
  margin: 0 0 14px;
  padding: 9px 11px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--yellow);
  background: rgba(43, 240, 200, 0.07);
  border-left: 2px solid var(--cyan);
}

.page-contact .pc-channel__addr {
  margin: 0 0 14px;
  padding: 9px 11px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--ice);
  background: rgba(139, 107, 255, 0.1);
  border-left: 2px solid var(--violet);
}

.page-contact .pc-channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #b9cfc8;
}

.page-contact .pc-note {
  margin: 20px 0 0;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  background: rgba(22, 52, 45, 0.6);
  border-left: 2px solid var(--orange);
}

/* ---------- 反馈流程 ---------- */
.page-contact .pc-flow-head {
  display: grid;
  gap: 20px;
}

.page-contact .pc-flow-head__text {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .pc-flow-media {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--stand);
  min-width: 0;
}

.page-contact .pc-flow-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .pc-flow-media .st-media__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .pc-flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-contact .pc-flow__step {
  position: relative;
  min-width: 0;
  padding: 18px 16px 20px;
  background: #071614;
  border: 2px solid var(--line);
  transition: border-color 120ms var(--ease);
}

.page-contact .pc-flow__step:hover {
  border-color: var(--cyan);
}

.page-contact .pc-flow__num {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--yellow);
}

.page-contact .pc-flow__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .pc-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #b9cfc8;
}

/* ---------- 服务时间刻度表 ---------- */
.page-contact .pc-hours {
  margin-top: 26px;
  border: 2px solid var(--line);
  background: var(--stand);
}

.page-contact .pc-hours__row {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px dashed rgba(43, 240, 200, 0.22);
}

.page-contact .pc-hours__row:last-child {
  border-bottom: 0;
}

.page-contact .pc-hours__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .pc-hours__bar {
  display: block;
  height: 6px;
  background: rgba(163, 200, 189, 0.14);
  overflow: hidden;
}

.page-contact .pc-hours__fill {
  display: block;
  height: 100%;
  background: var(--cyan);
}

.page-contact .pc-hours__fill--full {
  width: 100%;
}

.page-contact .pc-hours__fill--late {
  width: 86%;
  background: var(--orange);
}

.page-contact .pc-hours__fill--mid {
  width: 48%;
}

.page-contact .pc-hours__fill--fast {
  width: 22%;
  background: var(--yellow);
}

.page-contact .pc-hours__v {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--yellow);
}

/* ---------- 分段切换 ---------- */
.page-contact .pc-segwrap {
  margin-top: 24px;
  min-width: 0;
}

.page-contact .st-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
}

.page-contact .st-seg__btn {
  padding: 9px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--mist);
  background: transparent;
  border: 2px solid var(--line);
  cursor: pointer;
  transition: color 120ms var(--ease), border-color 120ms var(--ease), background 120ms var(--ease);
}

.page-contact .st-seg__btn:hover {
  color: var(--ice);
  border-color: var(--cyan);
}

.page-contact .st-seg__btn[aria-selected="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .st-seg__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .pc-segpanel {
  margin-top: 22px;
  padding: 20px 18px;
  background: #071614;
  border: 2px solid var(--line);
  min-width: 0;
}

.page-contact .pc-segpanel__lead {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: #cae0d8;
  max-width: var(--read);
}

.page-contact .pc-req {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-req li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.75;
  color: #b9cfc8;
}

.page-contact .pc-req__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--ink);
  background: var(--ice);
}

/* ---------- 合作 ---------- */
.page-contact .pc-collab {
  display: grid;
  gap: 24px;
}

.page-contact .pc-collab__intro {
  display: grid;
  gap: 12px;
  align-content: start;
  min-width: 0;
}

.page-contact .pc-collab__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 6px;
}

.page-contact .pc-collab__stats .st-stat {
  flex: 1 1 130px;
  padding: 14px 16px;
  background: rgba(139, 107, 255, 0.1);
  border: 2px solid rgba(139, 107, 255, 0.5);
}

.page-contact .pc-collab__stats .st-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--yellow);
  line-height: 1.1;
}

.page-contact .pc-collab__stats .st-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--mist);
}

.page-contact .pc-collab__list {
  padding: 22px 18px;
  background: var(--stand);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  min-width: 0;
}

.page-contact .pc-collab__list .st-h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .pc-list {
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: #b9cfc8;
}

.page-contact .pc-list strong {
  color: var(--ice);
  font-weight: 600;
}

.page-contact .pc-collab__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(43, 240, 200, 0.22);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-prep {
  margin-top: 24px;
  display: grid;
  gap: 16px;
}

.page-contact .pc-prep__item {
  position: relative;
  padding: 20px 18px;
  background: #071614;
  border: 2px solid var(--line);
  border-left: 4px solid var(--cyan);
  min-width: 0;
}

.page-contact .pc-prep__idx {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .pc-prep__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .pc-prep__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #b9cfc8;
}

/* ---------- 结尾行动 ---------- */
.page-contact .pc-cta {
  margin-top: 28px;
  padding: 22px 18px;
  display: grid;
  gap: 16px;
  background: linear-gradient(120deg, rgba(255, 122, 47, 0.16) 0%, rgba(43, 240, 200, 0.08) 100%);
  border: 2px solid var(--orange);
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-cta__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

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

.page-contact .pc-cta__mail {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--yellow);
  word-break: break-all;
}

.page-contact .pc-cta .st-btn {
  justify-self: start;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-band {
    padding: 58px 0;
  }

  .page-contact .pc-hours__row {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
  }

  .page-contact .pc-hours__v {
    text-align: right;
  }

  .page-contact .pc-collab {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-contact .pc-prep {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pc-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 24px 26px;
  }

  .page-contact .pc-cta .st-btn {
    justify-self: end;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-hero {
    padding: calc(var(--header-h) + 56px) 0 56px;
  }

  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .page-contact .pc-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 12px;
  }

  .page-contact .pc-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-contact .pc-channel:nth-child(2) {
    margin-top: 32px;
  }

  .page-contact .pc-channel:nth-child(3) {
    margin-top: 64px;
  }

  .page-contact .pc-flow-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    gap: 32px;
    align-items: start;
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .pc-flow__step:not(:first-child)::before {
    content: "→";
    position: absolute;
    left: -19px;
    top: 22px;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--cyan);
  }

  .page-contact .pc-segpanel {
    padding: 26px 28px;
  }

  .page-contact .pc-collab {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    gap: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-flow__step,
  .page-contact .st-seg__btn {
    transition: none;
  }

  .page-contact .pc-channel:hover {
    transform: none;
  }
}