/* ===== 合作与反馈 · page-contact ===== */

.page-contact {
  --pc-gap: clamp(56px, 7vw, 104px);
  --pc-line: rgba(20, 33, 61, 0.14);
  --pc-line-strong: rgba(20, 33, 61, 0.34);
  --pc-contour: rgba(20, 33, 61, 0.05);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(20px, 3vw, 34px) 0 clamp(46px, 6vw, 78px);
  background-color: var(--white);
  overflow: hidden;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 88% 4%, rgba(47, 111, 183, 0.10), transparent 44%),
    radial-gradient(circle at 2% 96%, rgba(224, 165, 38, 0.10), transparent 40%),
    repeating-linear-gradient(180deg, var(--pc-contour) 0 1px, transparent 1px 30px);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--saffron) 0 84px, var(--pc-line) 84px 100%);
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .pc-hero__row {
  margin-top: clamp(22px, 3vw, 38px);
}

.page-contact .pc-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.2vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--indigo);
  max-width: 20ch;
}

.page-contact .pc-hero__lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .pc-hero__points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-hero__points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--grey);
}

.page-contact .pc-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 1px;
  background: var(--saffron);
}

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

.page-contact .pc-quick {
  border: 1px solid var(--pc-line-strong);
  border-top: 3px solid var(--indigo);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
  padding: 22px 20px 24px;
}

.page-contact .pc-quick__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-contact .pc-quick__title {
  margin: 10px 0 16px;
  font-size: 17px;
  font-weight: 600;
  color: var(--indigo);
  line-height: 1.5;
}

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

.page-contact .pc-quick__list li {
  display: grid;
  gap: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-quick__list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .pc-quick__list span {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- 通用小节 ---------- */
.page-contact .pc-section {
  padding: var(--pc-gap) 0 0;
}

.page-contact .pc-section__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--grey);
}

/* ---------- 两条通道 ---------- */
.page-contact .pc-routes__grid {
  display: grid;
  gap: 20px;
  margin-top: 34px;
}

.page-contact .pc-route {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 22px 26px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-stack);
}

.page-contact .pc-route--feedback {
  border-top: 3px solid var(--saffron);
}

.page-contact .pc-route--biz {
  border-top: 3px solid var(--turquoise);
}

.page-contact .pc-route__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-contact .pc-route__title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--indigo);
}

.page-contact .pc-route__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .pc-route__steps {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-route__steps li {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .pc-route__steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 26px;
  bottom: -12px;
  width: 1px;
  background: var(--pc-line);
}

.page-contact .pc-route__num {
  display: block;
  line-height: 22px;
  height: 24px;
  text-align: center;
  font-size: 12px;
  color: var(--grey);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-sm);
  background: var(--white);
  position: relative;
  z-index: 1;
}

.page-contact .pc-route__cta {
  margin-top: 6px;
  align-self: flex-start;
}

/* ---------- 反馈步骤 ---------- */
.page-contact .pc-flow__steps {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 22px 18px 22px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.page-contact .pc-flow__step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 18px;
  width: 34px;
  height: 2px;
  background: var(--saffron);
}

.page-contact .pc-flow__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
}

.page-contact .pc-flow__title {
  margin: 12px 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--indigo);
}

.page-contact .pc-flow__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .pc-flow__figure {
  margin: 34px 0 0;
}

/* ---------- 受理与响应 ---------- */
.page-contact .pc-hours__band {
  margin-top: 32px;
}

.page-contact .pc-hours__notes {
  margin-top: 32px;
  display: grid;
  gap: 24px;
}

.page-contact .pc-hours__subtitle {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--indigo);
}

.page-contact .pc-hours__notes .note-block p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-coop__grid {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.page-contact .pc-coop__card {
  padding: 22px 20px 24px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--mist);
}

.page-contact .pc-coop__card-title {
  margin: 14px 0 10px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--indigo);
}

.page-contact .pc-coop__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .pc-coop__figure {
  margin: 30px 0 0;
}

.page-contact .pc-coop__ask {
  margin-top: 30px;
  padding: 24px 22px;
  border: 1px dashed var(--pc-line-strong);
  border-radius: var(--radius);
  background: var(--white);
}

.page-contact .pc-coop__ask-title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 600;
  color: var(--indigo);
}

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

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

.page-contact .pc-coop__ask-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 1px;
  background: var(--link);
}

/* ---------- 联系方式 ---------- */
.page-contact .pc-channels__grid {
  display: grid;
  gap: 26px;
  margin-top: 32px;
}

.page-contact .pc-channels__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--indigo);
}

.page-contact .pc-channels__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-channels__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-contact .pc-channels__value {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--indigo);
  overflow-wrap: anywhere;
}

.page-contact .pc-channels__use {
  font-size: 14px;
  line-height: 1.68;
  color: var(--grey);
}

.page-contact .pc-channels__aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .pc-channels__aside .note-block p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .pc-channels__tips {
  padding: 18px 18px 20px;
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.page-contact .pc-channels__tips-title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-contact .pc-channels__tips p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink);
}

/* ---------- 提交之后 ---------- */
.page-contact .pc-follow__list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .pc-follow__item {
  padding: 20px 20px 22px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.page-contact .pc-follow__item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--indigo);
}

.page-contact .pc-follow__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

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

.page-contact .pc-follow__cta {
  margin-top: 32px;
  display: grid;
  gap: 16px;
  align-items: center;
}

.page-contact .pc-follow__cta-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-channels__row {
    grid-template-columns: 104px minmax(0, 1fr);
    column-gap: 20px;
    row-gap: 4px;
    align-items: baseline;
  }

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

@media (min-width: 680px) {
  .page-contact .pc-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-follow__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 820px) {
  .page-contact .pc-coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .pc-coop__ask-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }

  .page-contact .pc-follow__cta {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 28px 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-routes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .pc-hours__notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .pc-hero__aside {
    margin-top: 8px;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-route,
  .page-contact .pc-flow__step,
  .page-contact .pc-follow__item {
    transition: none;
  }
}
<<<END>>>