/* ============ 反馈与咨询 ============ */
.page-contact {
  display: block;
  color: var(--am-ink);
}

/* —— 首屏框景 —— */
.page-contact .pc-hero {
  padding: 24px 0 0;
}

.page-contact .pc-hero__frame {
  background: var(--am-white);
  border-radius: var(--am-radius);
  overflow: hidden;
  box-shadow: var(--am-shadow-m);
}

.page-contact .pc-hero__inner {
  display: grid;
  gap: 28px;
  padding: 28px 20px 32px;
}

.page-contact .pc-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--am-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--am-gold);
}

.page-contact .pc-hero__title {
  margin: 0 0 16px;
  max-width: 20ch;
}

.page-contact .pc-hero__lead {
  margin: 0;
  max-width: 54ch;
}

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

.page-contact .pc-hero__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--am-line);
  display: grid;
  gap: 10px;
}

.page-contact .pc-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--am-ink-soft);
}

.page-contact .pc-hero__facts li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  background: var(--am-gold);
  transform: translateY(-1px);
}

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

.page-contact .pc-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 15 / 8;
  object-fit: cover;
  background: var(--am-mist);
  border: 1px solid var(--am-line);
  border-radius: var(--am-radius);
}

/* —— 主体两栏 —— */
.page-contact .pc-main {
  padding: 52px 0 0;
}

.page-contact .pc-main__grid {
  display: grid;
  gap: 44px;
}

.page-contact .pc-block + .pc-block {
  margin-top: 46px;
}

.page-contact .pc-block__head {
  margin-bottom: 22px;
}

.page-contact .pc-block__head .am-text {
  max-width: 52ch;
}

/* —— 表单卡 —— */
.page-contact .pc-form {
  background: var(--am-mist);
  border: 1px solid var(--am-line-strong);
  border-radius: var(--am-radius);
  padding: 22px 18px 20px;
  box-shadow: var(--am-shadow-s);
}

.page-contact .pc-field {
  display: grid;
  gap: 8px;
  margin: 0 0 20px;
}

.page-contact .pc-field__label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--am-ink);
}

.page-contact .pc-field__hint {
  font-size: 12px;
  line-height: 1.7;
  color: var(--am-slate);
}

.page-contact .pc-field__hint a {
  color: var(--am-tile);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-contact .pc-input,
.page-contact .pc-textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--am-font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--am-ink);
  background: var(--am-white);
  border: 1px solid var(--am-line-strong);
  border-radius: var(--am-radius);
  padding: 11px 13px;
}

.page-contact .pc-input::placeholder,
.page-contact .pc-textarea::placeholder {
  color: var(--am-slate);
}

.page-contact .pc-input:focus,
.page-contact .pc-textarea:focus {
  outline: 2px solid var(--am-tile);
  outline-offset: 1px;
  border-color: var(--am-tile);
}

.page-contact .pc-textarea {
  min-height: 130px;
  resize: vertical;
}

.page-contact .pc-radios {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .pc-radio {
  position: relative;
  display: inline-flex;
}

.page-contact .pc-radio input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.page-contact .pc-radio span {
  display: inline-block;
  padding: 7px 15px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--am-ink-soft);
  background: var(--am-white);
  border: 1px solid var(--am-line-strong);
  border-radius: 999px;
  transition: background 0.25s var(--am-ease), color 0.25s var(--am-ease), border-color 0.25s var(--am-ease);
}

.page-contact .pc-radio:hover span {
  border-color: var(--am-tile);
  color: var(--am-tile);
}

.page-contact .pc-radio input:checked + span {
  background: var(--am-tile);
  border-color: var(--am-tile);
  color: var(--am-white);
}

.page-contact .pc-radio input:focus-visible + span {
  outline: 2px solid var(--am-gold);
  outline-offset: 2px;
}

.page-contact .pc-form__foot {
  display: grid;
  gap: 12px;
  margin-top: 6px;
}

.page-contact .pc-form__submit {
  justify-self: start;
}

.page-contact .pc-form__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--am-slate);
}

/* —— 联系渠道 —— */
.page-contact .pc-chan__list {
  border-top: 1px solid var(--am-line-strong);
}

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

.page-contact .pc-chan__k {
  font-family: var(--am-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--am-gold);
}

.page-contact .pc-chan__v {
  font-family: var(--am-font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--am-deep);
  word-break: break-word;
}

.page-contact .pc-chan__d {
  font-size: 13px;
  line-height: 1.7;
  color: var(--am-ink-soft);
}

/* —— 处理流程时间线 —— */
.page-contact .pc-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-flow__item {
  position: relative;
  padding: 0 0 28px 34px;
}

.page-contact .pc-flow__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--am-gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.16);
}

.page-contact .pc-flow__item::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 22px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(rgba(201, 162, 39, 0.55), rgba(201, 162, 39, 0.08));
}

.page-contact .pc-flow__item:last-child {
  padding-bottom: 0;
}

.page-contact .pc-flow__item:last-child::after {
  display: none;
}

.page-contact .pc-flow__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--am-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--am-slate);
}

.page-contact .pc-flow__title {
  margin: 0 0 6px;
}

.page-contact .pc-flow__item .am-text {
  margin: 0;
  font-size: 14.5px;
}

.page-contact .pc-flow__figure {
  margin: 26px 0 0;
  padding-left: 0;
}

.page-contact .pc-flow__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--am-mist);
  border: 1px solid var(--am-line);
  border-radius: var(--am-radius);
}

.page-contact .pc-flow__figure .am-media__cap {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--am-slate);
}

/* —— 常见反馈类型 —— */
.page-contact .pc-types-section {
  padding: 64px 0 0;
}

.page-contact .pc-types {
  display: grid;
  gap: 16px;
}

.page-contact .pc-type {
  background: var(--am-white);
  border: 1px solid var(--am-line);
  border-radius: var(--am-radius);
  padding: 20px 18px;
  transition: transform 0.28s var(--am-ease), border-color 0.28s var(--am-ease), box-shadow 0.28s var(--am-ease);
}

.page-contact .pc-type:hover,
.page-contact .pc-type:focus-within,
.page-contact .pc-type:focus {
  transform: translateY(-4px);
  border-color: var(--am-line-strong);
  box-shadow: var(--am-shadow-m);
  outline: none;
}

.page-contact .pc-type__icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  font-family: var(--am-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  border: 1px solid var(--am-line-strong);
  border-radius: 2px;
  background: var(--am-paper);
  color: var(--am-ink);
}

.page-contact .pc-type--1 .pc-type__icon {
  border-color: var(--am-tile);
  background: rgba(31, 78, 156, 0.07);
  color: var(--am-tile);
}

.page-contact .pc-type--2 .pc-type__icon {
  border-color: var(--am-gold);
  background: rgba(201, 162, 39, 0.12);
  color: #8a6f13;
}

.page-contact .pc-type--3 .pc-type__icon {
  border-color: var(--am-coral);
  background: rgba(224, 102, 74, 0.1);
  color: var(--am-coral);
}

.page-contact .pc-type--4 .pc-type__icon {
  border-color: var(--am-jade);
  background: rgba(46, 125, 107, 0.1);
  color: var(--am-jade);
}

.page-contact .pc-type__title {
  margin: 0 0 8px;
}

.page-contact .pc-type__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--am-ink-soft);
}

.page-contact .pc-type__extra {
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--am-line-strong);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--am-slate);
}

.page-contact .pc-rel {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.page-contact .pc-rel a {
  display: inline-block;
  padding: 8px 15px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--am-ink);
  text-decoration: none;
  border: 1px solid var(--am-line-strong);
  border-radius: 999px;
  transition: border-color 0.25s var(--am-ease), color 0.25s var(--am-ease), background 0.25s var(--am-ease);
}

.page-contact .pc-rel a:hover,
.page-contact .pc-rel a:focus-visible {
  border-color: var(--am-tile);
  color: var(--am-tile);
  background: rgba(31, 78, 156, 0.05);
}

/* —— 珊瑚橙收束带 —— */
.page-contact .pc-final {
  margin-top: 68px;
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.07) 0 3px, transparent 3px 14px),
    var(--am-coral);
  color: var(--am-white);
}

.page-contact .pc-final__inner {
  display: grid;
  gap: 22px;
  padding: 40px 20px 44px;
}

.page-contact .pc-final__title {
  margin: 0 0 10px;
  color: var(--am-white);
}

.page-contact .pc-final__lead {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.92);
}

.page-contact .pc-final__cta {
  justify-self: start;
  background: var(--am-white);
  color: var(--am-coral);
  border-color: var(--am-white);
  font-weight: 600;
}

.page-contact .pc-final__cta:hover,
.page-contact .pc-final__cta:focus-visible {
  background: var(--am-paper);
  color: var(--am-coral);
  border-color: var(--am-paper);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-contact .pc-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px 20px;
  }

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

  .page-contact .pc-form {
    padding: 26px 24px 22px;
  }
}

@media (min-width: 768px) {
  .page-contact .pc-hero {
    padding-top: 32px;
  }

  .page-contact .pc-hero__inner {
    gap: 36px;
    padding: 40px 36px 44px;
  }

  .page-contact .pc-type__extra {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
    transition: max-height 0.36s var(--am-ease), opacity 0.3s var(--am-ease),
      margin-top 0.3s var(--am-ease), padding-top 0.3s var(--am-ease);
  }

  .page-contact .pc-type:hover .pc-type__extra,
  .page-contact .pc-type:focus-within .pc-type__extra,
  .page-contact .pc-type:focus .pc-type__extra {
    max-height: 240px;
    opacity: 1;
    margin-top: 14px;
    padding-top: 12px;
    border-top-color: var(--am-line-strong);
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    padding: 48px 44px 52px;
  }

  .page-contact .pc-flow__figure {
    padding-left: 0;
  }

  .page-contact .pc-final__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 52px 32px 56px;
  }

  .page-contact .pc-final__cta {
    justify-self: end;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-main {
    padding-top: 62px;
  }

  .page-contact .pc-main__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 32px 56px;
    align-items: start;
  }

  .page-contact .pc-flow {
    position: sticky;
    top: calc(var(--am-header-h) + 24px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-type,
  .page-contact .pc-radio span,
  .page-contact .pc-rel a,
  .page-contact .pc-type__extra {
    transition: none;
  }

  .page-contact .pc-type:hover,
  .page-contact .pc-type:focus-within,
  .page-contact .pc-type:focus {
    transform: none;
  }
}