.page-contact {
  --pc-line: var(--qd-indigo-700);
  --pc-gap: clamp(16px, 3vw, 28px);
  background: var(--qd-ink);
  color: var(--qd-rock);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-contact .pc-crumbs-wrap {
  padding-top: clamp(16px, 3vw, 28px);
}

/* 首屏 */
.page-contact .pc-hero {
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(24px, 5vw, 52px);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(24px, 5vw, 52px);
  align-items: center;
}

.page-contact .pc-hero__title {
  margin: 14px 0 0;
  font-family: var(--qd-font-sans);
  font-weight: 900;
  font-size: clamp(36px, 6.2vw, 74px);
  line-height: 1.08;
  color: var(--qd-sand);
  letter-spacing: -0.01em;
}

.page-contact .pc-hero__accent {
  display: block;
  color: var(--qd-teal);
}

.page-contact .pc-hero__lead {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--qd-rock);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .pc-hero__hint {
  margin: 16px 0 0;
  font-family: var(--qd-font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--qd-teal-600);
}

.page-contact .pc-hero__figure {
  margin: 0;
  border-radius: var(--qd-radius-lg);
  border: 1px solid var(--pc-line);
  overflow: hidden;
  background: linear-gradient(150deg, var(--qd-indigo-800), var(--qd-ink) 78%);
}

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

/* 区块小标题 */
.page-contact .pc-section-head {
  max-width: 62ch;
}

.page-contact .pc-section-head .qd-lead {
  margin-top: 14px;
}

/* 渠道卡 */
.page-contact .pc-channels {
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 4vw, 38px);
}

.page-contact .pc-channel {
  --pc-accent: var(--qd-teal);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  padding-left: clamp(24px, 3.4vw, 32px);
  border: 1px solid var(--pc-line);
  border-radius: var(--qd-radius-lg);
  background: linear-gradient(170deg, var(--qd-indigo-800), rgba(23, 34, 74, 0.5));
  overflow: hidden;
}

.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--pc-accent);
}

.page-contact .pc-channel--phone {
  --pc-accent: var(--qd-rock);
}

.page-contact .pc-channel--addr {
  --pc-accent: var(--qd-clay);
}

.page-contact .pc-channel__kicker {
  margin: 0;
  font-family: var(--qd-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pc-accent);
}

.page-contact .pc-channel__title {
  margin: 0;
  color: var(--qd-sand);
}

.page-contact .pc-channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--qd-rock);
}

.page-contact .pc-channel__value {
  margin: 4px 0 0;
  padding: 11px 13px;
  font-family: var(--qd-font-mono);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--qd-sand);
  background: rgba(14, 22, 51, 0.72);
  border: 1px solid var(--pc-line);
  border-radius: 12px;
  word-break: break-word;
}

.page-contact .pc-copy {
  align-self: flex-start;
  margin-top: 6px;
  padding: 10px 18px;
  font-size: 14px;
}

.page-contact .pc-copy[data-copied="true"] {
  border-color: var(--qd-teal);
  color: var(--qd-teal);
  background: rgba(53, 224, 196, 0.1);
}

/* 写信要素 */
.page-contact .pc-include {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .pc-checklist {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-check__label {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--pc-line);
  border-radius: var(--qd-radius-md);
  background: rgba(14, 22, 51, 0.45);
  cursor: pointer;
  transition: border-color 0.3s var(--qd-ease), background-color 0.3s var(--qd-ease);
}

.page-contact .pc-check__label:hover {
  border-color: var(--qd-teal-600);
}

.page-contact .pc-check__label:has(.pc-check__input:checked) {
  border-color: var(--qd-teal-600);
  background: rgba(53, 224, 196, 0.07);
}

.page-contact .pc-check__input {
  grid-column: 1;
  grid-row: 1;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--qd-teal);
  cursor: pointer;
}

.page-contact .pc-check__key {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--qd-font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--qd-teal);
}

.page-contact .pc-check__text {
  grid-column: 2;
  grid-row: 2;
  font-size: 15px;
  line-height: 1.78;
  color: var(--qd-rock);
}

.page-contact .pc-inline-link {
  color: var(--qd-teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-inline-link:hover,
.page-contact .pc-inline-link:focus-visible {
  color: var(--qd-sand);
}

.page-contact .pc-template {
  margin-top: clamp(18px, 3vw, 26px);
  padding: 16px 18px 18px;
  border: 1px dashed var(--pc-line);
  border-radius: var(--qd-radius-md);
  background: rgba(14, 22, 51, 0.62);
}

.page-contact .pc-template__title {
  margin: 0;
  font-family: var(--qd-font-serif);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--qd-sand);
}

.page-contact .pc-template__block {
  margin: 12px 0 14px;
  font-family: var(--qd-font-mono);
  font-size: 14px;
  line-height: 1.95;
  color: var(--qd-teal);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-contact .pc-include__media {
  margin: 0;
  border: 1px solid var(--pc-line);
  border-radius: var(--qd-radius-lg);
  overflow: hidden;
  background: var(--qd-indigo-800);
}

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

.page-contact .pc-include__caption {
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--qd-rock);
  border-top: 1px solid var(--pc-line);
}

/* 问题类型对照带 */
.page-contact .pc-route {
  list-style: none;
  margin: clamp(20px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-route__row {
  --pc-accent: var(--qd-teal);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 18px;
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--pc-accent);
  border-radius: var(--qd-radius-md);
  background: var(--qd-indigo-800);
}

.page-contact .pc-route__row--phone {
  --pc-accent: var(--qd-rock);
}

.page-contact .pc-route__row--addr {
  --pc-accent: var(--qd-clay);
}

.page-contact .pc-route__type {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--qd-sand);
}

.page-contact .pc-route__arrow {
  position: relative;
  display: block;
  width: 100%;
  height: 14px;
}

.page-contact .pc-route__arrow::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--pc-accent);
  border-bottom: 2px solid var(--pc-accent);
  transform: translateY(-50%) rotate(45deg);
}

.page-contact .pc-route__target {
  font-size: 15px;
  line-height: 1.7;
  color: var(--qd-rock);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--qd-ease), border-color 0.25s var(--qd-ease);
}

.page-contact .pc-route__target:hover,
.page-contact .pc-route__target:focus-visible {
  color: var(--qd-teal);
  border-bottom-color: currentColor;
}

/* 回复节奏 */
.page-contact .pc-reply {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-contact .pc-reply__list {
  counter-reset: pc-step;
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-reply__list li {
  position: relative;
  padding-left: 38px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--qd-rock);
}

.page-contact .pc-reply__list li::before {
  counter-increment: pc-step;
  content: counter(pc-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--pc-line);
  border-radius: 50%;
  font-family: var(--qd-font-mono);
  font-size: 12px;
  color: var(--qd-teal);
}

.page-contact .pc-reply__aside {
  font-size: 15px;
  line-height: 1.8;
}

/* 文档纠错 */
.page-contact .pc-feedback {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--pc-line);
  border-radius: var(--qd-radius-lg);
  background: linear-gradient(120deg, rgba(23, 34, 74, 0.9), rgba(14, 22, 51, 0.6));
  align-items: center;
}

.page-contact .pc-feedback__text {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--qd-rock);
}

.page-contact .pc-feedback__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
}

/* 其他联系方式（米白分区） */
.page-contact .qd-section--sand {
  color: var(--qd-ink);
}

.page-contact .qd-section--sand .qd-h2 {
  color: var(--qd-ink);
  margin-top: 10px;
}

.page-contact .qd-section--sand .qd-eyebrow {
  color: var(--qd-teal-600);
}

.page-contact .pc-info {
  margin: clamp(20px, 4vw, 32px) 0 0;
  display: grid;
}

.page-contact .pc-info__row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(14, 22, 51, 0.14);
}

.page-contact .pc-info__row:first-child {
  border-top: 1px solid rgba(14, 22, 51, 0.14);
}

.page-contact .pc-info__key {
  font-family: var(--qd-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--qd-clay);
}

.page-contact .pc-info__val {
  margin: 0;
  font-family: var(--qd-font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--qd-ink);
  word-break: break-word;
}

.page-contact .pc-info__use {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(14, 22, 51, 0.74);
}

.page-contact .pc-info__foot {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(14, 22, 51, 0.74);
}

.page-contact .pc-info__foot a {
  color: var(--qd-teal-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 响应式 */
@media (min-width: 760px) {
  .page-contact .pc-route__row {
    grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1.05fr);
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
  }

  .page-contact .pc-route__arrow::before {
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
  }

  .page-contact .pc-info__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 20px;
  }

  .page-contact .pc-info__use {
    grid-column: 2;
  }
}

@media (min-width: 860px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .pc-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .pc-channel--phone {
    margin-top: 34px;
  }

  .page-contact .pc-channel--addr {
    margin-top: 68px;
  }

  .page-contact .pc-include {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .pc-reply {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .page-contact .pc-feedback {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1060px) {
  .page-contact .pc-info__row {
    grid-template-columns: 110px minmax(0, 0.85fr) minmax(0, 1.15fr);
    column-gap: 24px;
  }

  .page-contact .pc-info__use {
    grid-column: 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-copy,
  .page-contact .pc-check__label,
  .page-contact .pc-route__target {
    transition: none;
  }
}