.page-contact {
  --pc-radius: 24px;
  --pc-hair: 1px solid var(--line-soft);
  padding-bottom: 40px;
}

.page-contact .breadcrumb {
  margin: 22px 0 20px;
}

/* ---------- 首屏：左右分屏联系台 ---------- */
.page-contact .contact-hero {
  padding-bottom: 0;
}

.page-contact .contact-hero__split {
  display: grid;
  gap: 30px;
}

@media (min-width: 1000px) {
  .page-contact .contact-hero__split {
    grid-template-columns: minmax(0, 46fr) minmax(0, 54fr);
    gap: 46px;
    align-items: start;
  }
}

.page-contact .section-head__kicker {
  margin: 0 0 8px;
}

.page-contact .contact-hero__title {
  margin: 0 0 16px;
  font-size: clamp(2.1rem, 7.4vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -.025em;
  font-weight: 800;
  color: var(--text);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 58ch;
  color: var(--text-dim);
  font-size: 1.02rem;
  line-height: 1.82;
}

/* 渠道卡 */
.page-contact .chan-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

@media (min-width: 620px) {
  .page-contact .chan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .chan-card {
  position: relative;
  padding: 22px 20px 24px;
  border: var(--pc-hair);
  border-radius: var(--pc-radius);
  background:
    radial-gradient(130% 150% at 0% 0%, rgba(122, 77, 255, .18), transparent 62%),
    var(--ink-900);
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .chan-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: 0 18px 40px rgba(5, 7, 15, .55);
}

.page-contact .chan-card__value {
  margin: 14px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.4vw, 1.1rem);
  letter-spacing: .01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .chan-card__desc {
  margin: 0;
  color: var(--text-dim);
  font-size: .94rem;
  line-height: 1.78;
}

/* 首屏右栏 */
.page-contact .contact-hero__aside {
  display: grid;
  gap: 18px;
}

.page-contact .media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: var(--pc-hair);
}

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

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

.page-contact .duty-list li {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .duty-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .duty-list__key {
  font-family: var(--font-mono);
  font-size: .96rem;
  color: var(--cyan);
  letter-spacing: .01em;
}

.page-contact .duty-list__txt {
  color: var(--text-dim);
  font-size: .9rem;
  line-height: 1.72;
}

/* ---------- 章节骨架 ---------- */
.page-contact .feedback,
.page-contact .hours {
  margin-top: 52px;
  padding-top: 52px;
  border-top: var(--pc-hair);
}

.page-contact .section-head {
  margin-bottom: 28px;
  max-width: 68ch;
}

.page-contact .feedback__lead {
  margin: 14px 0 0;
  color: var(--text-dim);
  font-size: .98rem;
  line-height: 1.82;
}

/* ---------- 反馈流程 ---------- */
.page-contact .feedback__body {
  display: grid;
  gap: 32px;
}

@media (min-width: 940px) {
  .page-contact .feedback__body {
    grid-template-columns: minmax(0, 52fr) minmax(0, 48fr);
    gap: 48px;
    align-items: start;
  }
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-contact .flow-step {
  position: relative;
  padding-left: 60px;
}

.page-contact .flow-step__idx {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .88rem;
}

.page-contact .flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 20px;
  top: 50px;
  bottom: -22px;
  border-left: 1px dashed var(--line);
}

.page-contact .flow-step__title {
  margin: 4px 0 8px;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .flow-step p {
  margin: 0;
  color: var(--text-dim);
  font-size: .94rem;
  line-height: 1.8;
}

.page-contact .feedback__side {
  display: grid;
  gap: 20px;
}

.page-contact .brief {
  border: var(--pc-hair);
  border-radius: var(--r-md);
  background: var(--ink-900);
  padding: 2px 20px;
}

.page-contact .brief > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
  color: var(--text);
  font-size: .96rem;
  font-weight: 600;
}

.page-contact .brief > summary::-webkit-details-marker {
  display: none;
}

.page-contact .brief > summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .9rem;
  line-height: 1;
}

.page-contact .brief[open] > summary::before {
  content: "\2212";
  border-color: var(--cyan);
}

.page-contact .brief ul {
  margin: 0 0 18px;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  color: var(--text-dim);
  font-size: .92rem;
  line-height: 1.75;
}

.page-contact .brief li::marker {
  color: var(--cyan);
}

.page-contact .feedback__hint {
  margin: 0;
  color: var(--text-dim);
  font-size: .9rem;
  line-height: 1.82;
}

.page-contact .feedback__hint a,
.page-contact .collab__meta a,
.page-contact .registry__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 255, .38);
  transition: border-color .22s var(--ease);
}

.page-contact .feedback__hint a:hover,
.page-contact .collab__meta a:hover,
.page-contact .registry__note a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 合作咨询 ---------- */
.page-contact .collab {
  margin-top: 56px;
  padding: 1px;
  border-radius: 30px;
  background: linear-gradient(140deg, rgba(122, 77, 255, .95), rgba(53, 224, 255, .68) 58%, rgba(58, 74, 122, .3));
}

.page-contact .collab__inner {
  border-radius: 29px;
  background: var(--ink-900);
  padding: 30px 22px 34px;
}

@media (min-width: 900px) {
  .page-contact .collab__inner {
    padding: 46px 50px 52px;
  }
}

.page-contact .collab__title {
  margin: 6px 0 14px;
  font-size: clamp(1.5rem, 3.6vw, 2.05rem);
  letter-spacing: -.015em;
  color: var(--text);
}

.page-contact .collab__lead {
  margin: 0;
  max-width: 68ch;
  color: var(--text-dim);
  font-size: .98rem;
  line-height: 1.84;
}

.page-contact .tag-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .collab .chip {
  padding: 8px 16px;
  border: 1px solid rgba(122, 77, 255, .55);
  border-radius: 999px;
  background: rgba(122, 77, 255, .14);
  color: var(--text);
  font-size: .86rem;
  transition: border-color .24s var(--ease), background .24s var(--ease), color .24s var(--ease);
}

.page-contact .collab .chip:hover {
  border-color: var(--cyan);
  background: rgba(53, 224, 255, .12);
  color: var(--cyan);
}

.page-contact .collab__meta {
  margin: 24px 0 0;
  color: var(--text-dim);
  font-size: .92rem;
  line-height: 1.8;
}

/* ---------- 服务时间 ---------- */
.page-contact .hours__grid {
  display: grid;
  gap: 26px;
}

@media (min-width: 900px) {
  .page-contact .hours__grid {
    grid-template-columns: minmax(0, 40fr) minmax(0, 60fr);
    gap: 48px;
    align-items: center;
  }
}

.page-contact .hours__clock {
  display: grid;
  gap: 18px;
  justify-items: start;
  padding: 28px 24px;
  border: var(--pc-hair);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(53, 224, 255, .1), rgba(11, 18, 38, .92) 66%);
}

.page-contact .hours__times {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 6vw, 2.05rem);
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .hours__dash {
  flex: 1 1 auto;
  min-width: 26px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
}

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

.page-contact .hours__notes li {
  position: relative;
  padding-left: 22px;
  color: var(--text-dim);
  font-size: .95rem;
  line-height: 1.84;
}

.page-contact .hours__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 255, .12);
}

/* ---------- 地址与备案 ---------- */
.page-contact .registry {
  margin: 56px 0 0;
}

.page-contact .registry__title {
  margin: 0 0 18px;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  color: var(--text);
}

.page-contact .registry__inner {
  display: grid;
  gap: 20px;
  padding: 26px 22px;
  border: var(--pc-hair);
  border-radius: var(--r-lg);
  background: linear-gradient(115deg, rgba(122, 77, 255, .14), rgba(53, 224, 255, .05) 70%, transparent);
}

@media (min-width: 820px) {
  .page-contact .registry__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    padding: 30px 34px;
  }
}

.page-contact .registry__row {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .registry__key {
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-contact .registry__val {
  color: var(--text);
  line-height: 1.76;
  overflow-wrap: anywhere;
}

.page-contact .registry__val--mono {
  font-family: var(--font-mono);
  color: var(--cyan);
  letter-spacing: .01em;
}

.page-contact .registry__note {
  margin: 18px 0 0;
  color: var(--text-dim);
  font-size: .9rem;
  line-height: 1.8;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan-card,
  .page-contact .collab .chip,
  .page-contact .feedback__hint a,
  .page-contact .collab__meta a,
  .page-contact .registry__note a {
    transition: none;
  }
  .page-contact .chan-card:hover {
    transform: none;
  }
}