.page-contact {
  --pc-gap: clamp(12px, 2.2vw, 24px);
  --pc-cut: 12px;
  --pc-pad: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏服务台 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 34px) 0 clamp(30px, 5vw, 62px);
  background:
    radial-gradient(circle at 84% 8%, rgba(61, 139, 255, 0.18), transparent 56%),
    linear-gradient(158deg, var(--ink) 0%, var(--night) 66%, var(--char) 100%);
  border-bottom: 2px solid var(--line);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(150, 163, 156, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150, 163, 156, 0.09) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
}

.page-contact .pc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-hero h1 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(38px, 8vw, 76px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .pc-hero__intro {
  max-width: 46ch;
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(242, 236, 221, 0.86);
}

.page-contact .pc-primary {
  display: grid;
  gap: 14px;
  padding: clamp(16px, 2.6vw, 24px);
  background: rgba(11, 15, 14, 0.72);
  border: 2px solid var(--line);
  border-left: 5px solid var(--lime);
}

.page-contact .pc-primary__row {
  display: grid;
  gap: 8px;
  justify-items: start;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(150, 163, 156, 0.34);
}

.page-contact .pc-primary__row--phone {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .pc-primary__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-contact .pc-primary__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.2vw, 32px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
  border-bottom: 3px solid var(--lime);
  padding-bottom: 3px;
}

.page-contact .pc-hero__note {
  margin: 16px 0 0;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* 斜切票据索引 */
.page-contact .pc-hero__tickets {
  align-self: start;
  padding: clamp(16px, 2.6vw, 22px);
  background: rgba(25, 58, 49, 0.55);
  border: 2px solid var(--line);
  border-top: 5px solid var(--orange);
}

.page-contact .pc-tickets__head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
}

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

.page-contact .pc-ticket {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  color: var(--paper);
  background: rgba(14, 28, 24, 0.9);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, calc(100% - var(--pc-cut)) 100%, 0 100%);
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-contact .pc-ticket__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-contact .pc-ticket:hover,
.page-contact .pc-ticket:focus-visible {
  background: var(--orange);
  color: var(--char);
  transform: translateX(4px);
}

.page-contact .pc-ticket:hover .pc-ticket__no,
.page-contact .pc-ticket:focus-visible .pc-ticket__no {
  color: var(--char);
}

.page-contact .pc-ticket:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .pc-tickets__foot {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fog);
}

/* ---------- 章节头 ---------- */
.page-contact .pc-sec-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .pc-sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 700;
  line-height: 1.06;
  color: var(--paper);
}

.page-contact .pc-sec-head p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 三条通道 ---------- */
.page-contact .pc-channels {
  padding-top: clamp(32px, 5vw, 62px);
  padding-bottom: clamp(32px, 5vw, 62px);
  background: var(--ink);
}

.page-contact .pc-channels__fig {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-contact .pc-channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-channel {
  position: relative;
  padding: var(--pc-pad);
  background: var(--night);
  border: 2px solid var(--line);
  border-top: 4px solid var(--orange);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.42);
}

.page-contact .pc-channel__no {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--char);
  background: var(--orange);
}

.page-contact .pc-channel h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .pc-channel__val {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.6vw, 18px);
  line-height: 1.5;
  color: var(--lime);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-channel__use {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 236, 221, 0.78);
}

.page-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 反馈分类切换 ---------- */
.page-contact .pc-feedback {
  padding-top: clamp(32px, 5vw, 62px);
  padding-bottom: clamp(32px, 5vw, 62px);
  background: var(--moss);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-contact .pc-feedback__body {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-switch {
  position: relative;
}

.page-contact .pc-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  clip-path: inset(50%);
}

.page-contact .pc-switch__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .pc-switch__tab {
  cursor: pointer;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--fog);
  background: rgba(11, 15, 14, 0.62);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 9px 100%);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .pc-switch__tab:hover {
  color: var(--paper);
  border-color: var(--orange);
}

.page-contact #pc-type-1:checked ~ .pc-switch__tabs label[for="pc-type-1"],
.page-contact #pc-type-2:checked ~ .pc-switch__tabs label[for="pc-type-2"],
.page-contact #pc-type-3:checked ~ .pc-switch__tabs label[for="pc-type-3"],
.page-contact #pc-type-4:checked ~ .pc-switch__tabs label[for="pc-type-4"],
.page-contact #pc-type-5:checked ~ .pc-switch__tabs label[for="pc-type-5"] {
  background: var(--orange);
  color: var(--char);
  border-color: var(--orange);
  font-weight: 700;
}

.page-contact #pc-type-1:focus-visible ~ .pc-switch__tabs label[for="pc-type-1"],
.page-contact #pc-type-2:focus-visible ~ .pc-switch__tabs label[for="pc-type-2"],
.page-contact #pc-type-3:focus-visible ~ .pc-switch__tabs label[for="pc-type-3"],
.page-contact #pc-type-4:focus-visible ~ .pc-switch__tabs label[for="pc-type-4"],
.page-contact #pc-type-5:focus-visible ~ .pc-switch__tabs label[for="pc-type-5"] {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .pc-panel {
  display: none;
  padding: 4px 0 4px 16px;
  border-left: 4px solid var(--lime);
}

.page-contact #pc-type-1:checked ~ .pc-switch__panels #pc-panel-1,
.page-contact #pc-type-2:checked ~ .pc-switch__panels #pc-panel-2,
.page-contact #pc-type-3:checked ~ .pc-switch__panels #pc-panel-3,
.page-contact #pc-type-4:checked ~ .pc-switch__panels #pc-panel-4,
.page-contact #pc-type-5:checked ~ .pc-switch__panels #pc-panel-5 {
  display: block;
}

.page-contact .pc-panel h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .pc-panel p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 236, 221, 0.82);
}

.page-contact .pc-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-contact .pc-panel li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .pc-panel li::before {
  content: "—";
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  color: var(--lime);
}

/* 通用准备清单 */
.page-contact .pc-checklist {
  align-self: start;
  padding: var(--pc-pad);
  background: rgba(6, 42, 34, 0.72);
  border: 2px solid var(--line);
  border-top: 5px solid var(--blue);
}

.page-contact .pc-checklist h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--paper);
}

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

.page-contact .pc-checklist__list li {
  counter-increment: pc-check;
  position: relative;
  padding-left: 34px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 236, 221, 0.8);
}

.page-contact .pc-checklist__list li::before {
  content: counter(pc-check, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
}

.page-contact .pc-checklist__list span {
  display: block;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .pc-checklist__tip {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(150, 163, 156, 0.34);
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .pc-flow {
  margin: 16px 0 0;
}

/* ---------- 回复节奏 ---------- */
.page-contact .pc-timing {
  padding-top: clamp(32px, 5vw, 62px);
  padding-bottom: clamp(32px, 5vw, 62px);
  background: var(--char);
}

.page-contact .pc-timing__grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-timing h2 {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 700;
  line-height: 1.06;
  color: var(--paper);
}

.page-contact .pc-timing__lead p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 236, 221, 0.82);
}

.page-contact .pc-timing__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-contact .pc-timing__panel {
  padding: var(--pc-pad);
  background: var(--night);
  border: 2px solid var(--line);
  border-left: 5px solid var(--orange);
}

.page-contact .pc-timing__panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .pc-timing__panel p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 236, 221, 0.78);
}

.page-contact .pc-timing__steps {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .pc-timing__steps li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .pc-step-no {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--char);
  background: var(--lime);
}

.page-contact .pc-timing__anchor {
  margin: 0;
}

.page-contact .pc-timing__anchor a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 139, 255, 0.5);
}

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

/* ---------- 合作 ---------- */
.page-contact .pc-partners {
  padding-top: clamp(32px, 5vw, 62px);
  padding-bottom: clamp(32px, 5vw, 62px);
  background: var(--ink);
  border-top: 2px solid var(--line);
}

.page-contact .pc-partners__grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-partners h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 42px);
  font-weight: 700;
  line-height: 1.06;
  color: var(--paper);
}

.page-contact .pc-partners__lead p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 236, 221, 0.82);
}

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

.page-contact .pc-partners__links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  color: var(--paper);
  background: rgba(25, 58, 49, 0.5);
  border: 1px solid var(--line);
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-contact .pc-partners__links a:hover,
.page-contact .pc-partners__links a:focus-visible {
  background: rgba(200, 255, 61, 0.12);
  border-color: var(--lime);
  transform: translateX(4px);
}

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

.page-contact .pc-link-no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

/* ---------- 备案信息条 ---------- */
.page-contact .pc-stamp {
  padding: clamp(26px, 4vw, 46px) 0 clamp(30px, 5vw, 52px);
  background: var(--char);
  border-top: 6px solid var(--orange);
  scroll-margin-top: 96px;
}

.page-contact .pc-stamp__top {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(150, 163, 156, 0.34);
}

.page-contact .pc-stamp h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .pc-stamp__claim {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.page-contact .pc-stamp__dl {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
  margin: 18px 0 0;
}

.page-contact .pc-stamp__dl div {
  display: grid;
  gap: 4px;
  padding-left: 12px;
  border-left: 3px solid var(--moss);
}

.page-contact .pc-stamp__dl dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-contact .pc-stamp__dl dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-stamp__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-channel-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-stamp__dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .pc-channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-feedback__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .pc-timing__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .pc-partners__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-ticket,
  .page-contact .pc-switch__tab,
  .page-contact .pc-partners__links a {
    transition: none;
  }

  .page-contact .pc-ticket:hover,
  .page-contact .pc-ticket:focus-visible,
  .page-contact .pc-partners__links a:hover,
  .page-contact .pc-partners__links a:focus-visible {
    transform: none;
  }
}
<<<END>>>