.page-contact {
  --pc-card-pad: clamp(18px, 3.6vw, 26px);
  --pc-ivory-line: rgba(11, 16, 38, .12);
}

.page-contact figure {
  margin: 0;
}

.page-contact a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-top: clamp(22px, 5vw, 48px);
}

.page-contact .pc-hero__title {
  font-family: var(--font-head);
  font-size: clamp(34px, 7.6vw, 76px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 16px 0 22px;
  max-width: 22ch;
}

.page-contact .pc-hero__lead {
  display: grid;
  gap: 16px;
  max-width: 76ch;
}

.page-contact .pc-hero__lead .lead {
  margin: 0;
}

.page-contact .pc-hero__lead .tiny {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-2);
}

.page-contact .pc-hero__media {
  position: relative;
  margin-top: clamp(26px, 4.5vw, 42px);
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

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

@media (min-width: 760px) {
  .page-contact .pc-hero__lead {
    grid-template-columns: 1.35fr 1fr;
    gap: 26px;
    align-items: start;
  }

  .page-contact .pc-hero__media {
    aspect-ratio: 8 / 3;
  }
}

/* ---------- 渠道面板 ---------- */
.page-contact .pc-channels {
  position: relative;
}

.page-contact .pc-channels__title {
  font-family: var(--font-head);
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-contact .pc-channels__sub {
  margin: 0 0 26px;
  color: var(--steel);
  font-size: 15px;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--ivory);
  color: var(--ink);
  border: 1px solid var(--pc-ivory-line);
  border-radius: var(--radius-card);
  padding: var(--pc-card-pad) 20px var(--pc-card-pad) 28px;
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-contact .channel-card__bar {
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  transform-origin: top center;
  transition: transform .2s ease;
}

.page-contact .channel-card__bar--amber { background: var(--amber); }
.page-contact .channel-card__bar--cyan { background: var(--cyan); }
.page-contact .channel-card__bar--violet { background: var(--violet); }

.page-contact .channel-card:hover .channel-card__bar {
  transform: scaleY(1.16);
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(13px, 3.5vw, 19px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
  word-break: break-word;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(11, 16, 38, .06);
}

.page-contact .channel-card__value.num {
  color: var(--ink);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: #2A3050;
}

.page-contact .channel-card__foot {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--pc-ivory-line);
  font-size: 13px;
  line-height: 1.6;
  color: #4A5170;
}

@media (min-width: 820px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .channel-card:nth-child(1) { transform: translateY(-10px); }
  .page-contact .channel-card:nth-child(2) { transform: translateY(14px); }
  .page-contact .channel-card:nth-child(3) { transform: translateY(-4px); }

  .page-contact .channel-card:hover {
    transform: translateY(-16px);
    box-shadow: var(--shadow-float);
  }
}

/* ---------- 章节头 ---------- */
.page-contact .pc-section {
  position: relative;
}

.page-contact .pc-section--a {
  background: linear-gradient(180deg, rgba(20, 27, 61, .0), rgba(20, 27, 61, .55) 30%, rgba(20, 27, 61, .55) 70%, rgba(20, 27, 61, 0));
}

.page-contact .pc-section--b {
  background: rgba(20, 27, 61, .5);
}

.page-contact .pc-section--c {
  background: linear-gradient(180deg, rgba(11, 16, 38, 0), rgba(20, 27, 61, .7));
}

.page-contact .stage-head {
  display: grid;
  grid-template-columns: auto 4px minmax(0, 1fr);
  gap: 0 16px;
  align-items: center;
  margin-bottom: 26px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-contact .stage-head__no {
  font-family: var(--font-num);
  font-size: clamp(30px, 6vw, 48px);
  line-height: 1;
  color: var(--steel);
  letter-spacing: -0.03em;
}

.page-contact .stage-head__bar {
  width: 4px;
  height: 46px;
  border-radius: 2px;
  display: block;
}

.page-contact .stage-head__bar--cyan { background: var(--cyan); }
.page-contact .stage-head__bar--amber { background: var(--amber); }
.page-contact .stage-head__bar--violet { background: var(--violet); }
.page-contact .stage-head__bar--wine { background: var(--wine); }

.page-contact .stage-head__title {
  font-family: var(--font-head);
  font-size: clamp(23px, 4.2vw, 36px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-contact .stage-head__desc {
  margin: 0;
  color: var(--steel);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 01 分栏目受理 ---------- */
.page-contact .queue-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .queue-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--line-2);
  border-radius: var(--radius-card);
  padding: var(--pc-card-pad);
  box-shadow: var(--shadow-card);
}

.page-contact .queue-item--cyan { border-top-color: var(--cyan); }
.page-contact .queue-item--violet { border-top-color: var(--violet); }
.page-contact .queue-item--wine { border-top-color: var(--wine); }

.page-contact .queue-item__tag {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-contact .queue-item__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .queue-item__subject {
  margin: 0;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(238, 241, 247, .06);
  border: 1px dashed var(--line-2);
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.5;
  color: var(--amber);
  word-break: break-word;
}

.page-contact .queue-item__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.65;
}

.page-contact .queue-item__list li::marker {
  color: var(--steel);
}

.page-contact .queue-item .tiny {
  margin: 4px 0 0;
  color: var(--steel);
  line-height: 1.6;
}

@media (min-width: 860px) {
  .page-contact .queue-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .queue-item:nth-child(2) { transform: translateY(18px); }
  .page-contact .queue-item:nth-child(3) { transform: translateY(-6px); }
}

/* ---------- 02 流程 ---------- */
.page-contact .flow {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .flow__step {
  min-width: 0;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: var(--pc-card-pad);
  box-shadow: var(--shadow-card);
}

.page-contact .flow__no {
  display: block;
  font-family: var(--font-num);
  font-size: 26px;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}

.page-contact .flow__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.68;
  color: var(--steel);
}

.page-contact .flow__arrow {
  width: 52px;
  height: 22px;
  flex: 0 0 auto;
  align-self: center;
  color: var(--line-2);
  transform: rotate(90deg);
}

@media (min-width: 900px) {
  .page-contact .flow {
    flex-direction: row;
    align-items: stretch;
    gap: 10px;
  }

  .page-contact .flow__step {
    flex: 1 1 0;
  }

  .page-contact .flow__arrow {
    align-self: center;
    transform: none;
  }
}

/* ---------- 03 准备清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.page-contact .check-item {
  border-bottom: 1px dashed var(--line);
  padding: 12px 0;
}

.page-contact .check-item label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.page-contact .check-item input {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  margin: 2px 0 0;
  border: 1px solid var(--line-2);
  border-radius: 5px;
  background: transparent;
  position: relative;
  transition: background-color .15s ease, border-color .15s ease;
}

.page-contact .check-item input:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .check-item input:checked::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .check-item__no {
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--steel);
  min-width: 22px;
  padding-top: 2px;
}

.page-contact .check-item__text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper);
}

.page-contact .check-item:has(input:checked) .check-item__text {
  color: var(--steel);
}

.page-contact .checklist__note {
  margin: 18px 0 0;
  color: var(--steel);
  line-height: 1.65;
}

@media (min-width: 780px) {
  .page-contact .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 30px;
  }
}

/* ---------- 04 回应节奏 ---------- */
.page-contact .pc-table {
  min-width: 640px;
}

.page-contact .pc-table th[scope="row"] {
  color: var(--paper);
  font-weight: 600;
  text-align: left;
}

.page-contact .pc-table__note {
  margin: 16px 0 0;
  color: var(--steel);
  line-height: 1.65;
}

/* ---------- 05 合作共建 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .coop-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .coop-body p:last-of-type {
  margin-bottom: 18px;
}

.page-contact .coop-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .coop-media {
  position: relative;
  aspect-ratio: 2 / 1;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-contact .coop-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-contact .coop-grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 40px;
    align-items: center;
  }
}

/* ---------- 相关页面 ---------- */
.page-contact .pc-next {
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-contact .pc-next__title {
  font-family: var(--font-head);
  font-size: clamp(22px, 3.8vw, 32px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
  color: var(--paper);
}

.page-contact .link-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .link-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: rgba(20, 27, 61, .55);
  padding: 16px 18px;
  transition: border-color .2s ease, transform .2s ease, background-color .2s ease;
}

.page-contact .link-card:hover {
  border-left-color: var(--cyan);
  background: rgba(20, 27, 61, .85);
  transform: translateY(-2px);
}

.page-contact .link-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .link-card__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--steel);
}

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

@media (min-width: 1020px) {
  .page-contact .link-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card__bar,
  .page-contact .link-card,
  .page-contact .check-item input {
    transition: none;
  }

  .page-contact .channel-card,
  .page-contact .link-card {
    transform: none !important;
  }
}