.page-contact {
  --contact-gap: clamp(22px, 4vw, 44px);
  --contact-pad: clamp(26px, 4vw, 48px);
}

.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(18px, 3vw, 30px) 0 clamp(38px, 6vw, 76px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: center;
}

.page-contact .contact-hero__text {
  min-width: 0;
}

.page-contact .eyebrow {
  margin: 0 0 14px;
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-size: clamp(32px, 7.4vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--text);
}

.page-contact .contact-hero__lede {
  margin: 0 0 24px;
  max-width: 42ch;
  color: var(--gray-blue);
}

.page-contact .contact-hero__notes {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-hero__notes li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text);
}

.page-contact .contact-hero__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 12px;
  height: 2px;
  background: var(--fox-orange);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero__figure {
  margin: 0;
  min-width: 0;
  position: relative;
  padding: 8px;
  background: var(--ink-2);
  border: var(--hair-strong);
  box-shadow: 8px 8px 0 rgba(240, 78, 35, 0.14);
}

.page-contact .contact-hero__figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  max-width: 100%;
}

.page-contact .contact-hero__figure .figure__caption {
  margin: 10px 2px 2px;
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--gray-blue);
}

/* ---------- 章节标题组 ---------- */
.page-contact .contact-head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-contact .contact-head__title {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  font-weight: 900;
}

.page-contact .contact-head__lede {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--gray-blue);
}

.page-contact .section--paper .contact-head__lede,
.page-contact .section--paper .contact-head__title {
  color: var(--on-paper);
}

/* ---------- 通道卡片 ---------- */
.page-contact .contact-channels {
  padding-bottom: clamp(38px, 5.5vw, 70px);
}

.page-contact .channel-grid {
  display: grid;
  gap: clamp(14px, 2.4vw, 24px);
}

.page-contact .channel {
  min-width: 0;
  padding: var(--contact-pad);
  background: var(--ink-2);
  border: 1px solid var(--line);
  box-shadow: 7px 7px 0 rgba(201, 195, 184, 0.13);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), box-shadow 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--fox-orange);
  background: var(--ink-3);
  transform: translateY(-3px);
  box-shadow: 9px 9px 0 rgba(240, 78, 35, 0.24);
}

.page-contact .channel__label {
  margin: 0 0 12px;
  color: var(--gray-blue);
}

.page-contact .channel__value {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.2vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel__fit {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 12px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--amber);
}

.page-contact .channel__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 0.62em;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .channel__meta {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--gray-blue);
}

.page-contact .contact-channels__note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--gray-blue);
}

.page-contact .contact-channels__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 问题类型清单 ---------- */
.page-contact .contact-issues {
  padding-bottom: clamp(38px, 5.5vw, 70px);
}

.page-contact .issue-list {
  border-top: var(--hair-strong);
}

.page-contact .issue {
  border-bottom: var(--hair);
}

.page-contact .issue__toggle {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 18px 2px;
  background: transparent;
  border: 0;
  color: var(--text);
  font-family: inherit;
  font-size: var(--fs-16);
  text-align: left;
  cursor: pointer;
}

.page-contact .issue__toggle:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .issue__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(47, 243, 214, 0.45);
  transition: box-shadow 180ms var(--ease);
}

.page-contact .issue[data-open="true"] .issue__dot {
  box-shadow: 0 0 0 6px rgba(47, 243, 214, 0.16);
}

.page-contact .issue__name {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .issue__channel {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--gray-blue);
  white-space: nowrap;
}

.page-contact .issue__sign {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.page-contact .issue__sign::before,
.page-contact .issue__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
  background: var(--fox-orange);
  transition: transform 180ms var(--ease), opacity 180ms var(--ease);
}

.page-contact .issue__sign::after {
  transform: rotate(90deg);
}

.page-contact .issue[data-open="true"] .issue__sign::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-contact .issue__panel {
  padding: 0 2px 22px 26px;
  max-width: 66ch;
}

.page-contact .issue__lead {
  margin: 0 0 14px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--gray-blue);
}

.page-contact .issue__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .issue__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text);
}

.page-contact .issue__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 6px;
  height: 1px;
  background: var(--line);
}

.page-contact .issue__list a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 截图要点 ---------- */
.page-contact .contact-shots {
  padding-bottom: clamp(38px, 5.5vw, 70px);
}

.page-contact .shot-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-contact .shot {
  position: relative;
  min-width: 0;
  padding: 14px;
  border: 1px dashed rgba(47, 243, 214, 0.55);
  background: rgba(15, 59, 58, 0.35);
}

.page-contact .shot__badge {
  position: absolute;
  top: -10px;
  left: 14px;
  padding: 2px 8px;
  background: var(--ink);
  border: 1px solid rgba(47, 243, 214, 0.5);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .shot__tip {
  margin: 12px 2px 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--gray-blue);
}

.page-contact .shot-list {
  display: grid;
  gap: 0;
  min-width: 0;
  border-top: var(--hair);
}

.page-contact .shot-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: var(--hair);
}

.page-contact .shot-item__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--fox-orange);
}

.page-contact .shot-item__title {
  margin: 0 0 4px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--text);
}

.page-contact .shot-item__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--gray-blue);
}

/* ---------- 答复节奏 ---------- */
.page-contact .contact-cadence {
  padding-bottom: clamp(38px, 5.5vw, 70px);
}

.page-contact .cadence {
  border-top: var(--hair-strong);
}

.page-contact .cadence__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: clamp(12px, 2.4vw, 28px);
  padding: 18px 0;
  border-bottom: var(--hair);
}

.page-contact .cadence__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1.4;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .cadence__title {
  margin: 0 0 6px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--text);
}

.page-contact .cadence__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--gray-blue);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-registry {
  padding: clamp(30px, 4.6vw, 52px) 0;
}

.page-contact .registry {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  color: var(--on-paper);
}

.page-contact .registry__col {
  min-width: 0;
}

.page-contact .registry__label {
  margin: 0 0 10px;
  color: rgba(26, 26, 26, 0.62);
}

.page-contact .registry__value {
  margin: 0 0 8px;
  font-size: clamp(16px, 2.4vw, 20px);
  line-height: 1.6;
  font-weight: 700;
  color: var(--on-paper);
}

.page-contact .registry__value--num {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-contact .registry__note {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.66);
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-self {
  padding: clamp(38px, 5.5vw, 76px) 0 clamp(46px, 6vw, 88px);
}

.page-contact .self {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  align-items: end;
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 2px solid var(--fox-orange);
}

.page-contact .self__text {
  min-width: 0;
}

.page-contact .self__text .contact-head__title {
  margin-bottom: 12px;
}

.page-contact .self__text .lede {
  margin: 0;
  max-width: 52ch;
  color: var(--gray-blue);
}

.page-contact .self__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 820px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-contact .shot-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-contact .registry {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }

  .page-contact .cadence__row {
    grid-template-columns: 140px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .issue__dot,
  .page-contact .issue__sign::before,
  .page-contact .issue__sign::after {
    transition: none;
  }

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