/* ===== 咨询中心 · 刊物版权页式版式 ===== */

.page-contact .section {
  padding-top: clamp(52px, 7vw, 96px);
  padding-bottom: clamp(52px, 7vw, 96px);
}

.page-contact .section--tight {
  padding-top: clamp(36px, 4.5vw, 60px);
  padding-bottom: clamp(48px, 6vw, 80px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(28px, 5vw, 64px));
  padding-bottom: clamp(34px, 5vw, 68px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: clamp(5px, 0.9vw, 12px);
  background: linear-gradient(180deg, var(--cy) 0 36%, var(--violet) 36% 70%, var(--orange) 70% 100%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  grid-template-columns: 1fr;
}

.page-contact .contact-hero__copy h1 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-display);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__copy .lede {
  margin-top: 18px;
  max-width: 52ch;
  color: var(--mist);
}

.page-contact .contact-hero__copy .breadcrumb {
  margin-bottom: 18px;
}

/* 首屏右侧快速定位索引 */

.page-contact .hero-index {
  align-self: end;
  border: 1px solid var(--line);
  background: var(--ink-800);
  box-shadow: var(--shadow-card);
}

.page-contact .hero-index__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  font-size: 0.94rem;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-contact .hero-index__item:last-child {
  border-bottom: 0;
}

.page-contact .hero-index__item:hover,
.page-contact .hero-index__item:focus-visible {
  background: var(--ink-950);
  color: var(--cy);
}

.page-contact .hero-index__item[aria-current="true"] {
  background: var(--ink-950);
  color: var(--cy);
  box-shadow: inset 3px 0 0 0 var(--cy);
}

.page-contact .hero-index__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .hero-index__item:hover .hero-index__num,
.page-contact .hero-index__item[aria-current="true"] .hero-index__num {
  color: var(--orange);
}

/* 首屏配图 */

.page-contact .contact-hero__media {
  margin: clamp(30px, 4vw, 52px) 0 0;
}

.page-contact .media-frame {
  border: 1px solid var(--line);
  background: var(--ink-800);
  margin-inline: 0;
}

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

.page-contact .media-frame--16x9 {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.page-contact .media-frame--16x9 img {
  height: 100%;
}

.page-contact .media-frame--3x2 {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.page-contact .media-frame--3x2 img {
  height: 100%;
}

.page-contact .media-caption {
  padding: 10px 2px 0;
  font-size: 0.78rem;
  color: var(--mist);
}

.page-contact .media-frame--16x9 .media-caption,
.page-contact .media-frame--3x2 .media-caption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  background: var(--ink-900);
}

/* ---------- 联系方式一览 ---------- */

.page-contact .contact-channels__grid {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
  grid-template-columns: 1fr;
}

.page-contact .contact-channels__main .lede {
  margin-top: 16px;
  color: var(--mist);
}

.page-contact .channel-stack {
  margin-top: clamp(24px, 3vw, 34px);
  display: grid;
  gap: 14px;
}

.page-contact .channel {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  padding-left: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -1px;
  width: 3px;
  background: var(--cy);
}

.page-contact .channel--phone::before {
  background: var(--orange);
}

.page-contact .channel--place::before {
  background: var(--violet);
}

.page-contact .channel__head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .channel__name {
  font-family: var(--font-narrow);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.1vw, 1.4rem);
  line-height: 1.4;
  letter-spacing: 0.005em;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .channel__value--phone {
  color: var(--orange);
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  letter-spacing: 0.04em;
}

.page-contact .channel__value--place {
  font-size: clamp(0.98rem, 1.8vw, 1.15rem);
  color: var(--cy);
}

.page-contact .channel__note {
  max-width: 56ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .channel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

/* 复制按钮状态 */

.page-contact .copy-field {
  position: relative;
}

.page-contact .copy-field-hint {
  margin-left: 8px;
  font-size: 0.78em;
  color: var(--cy);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.page-contact .channel--phone .copy-field-hint {
  color: var(--orange);
}

.page-contact .copy-field.is-copied .copy-field-hint {
  opacity: 1;
}

/* 回复时段面板 */

.page-contact .hours-panel {
  border: 1px solid var(--line);
  border-top: 4px solid var(--orange);
  background: var(--ink-800);
  padding: clamp(22px, 3vw, 32px);
}

.page-contact .hours-panel__time {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4.4vw, 2.4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--orange);
}

.page-contact .hours-panel__unit {
  margin-top: 4px;
  font-family: var(--font-narrow);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .hours-panel__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .hours-panel__list li {
  padding: 11px 0;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .hours-panel__foot {
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--ink-950);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--cy);
}

/* ---------- 旧记录检索协助（纸白章节） ---------- */

.page-contact .section--paper {
  background: var(--paper);
  color: var(--black);
  --line: rgba(36, 48, 96, 0.38);
  --mist: #46527C;
}

.page-contact .section--paper .section-title {
  color: var(--black);
}

.page-contact .search-help__grid {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
  grid-template-columns: 1fr;
}

.page-contact .search-help__main .prose {
  margin-top: 18px;
  max-width: 46ch;
  color: #2C3350;
}

.page-contact .evidence-list {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .evidence-list li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .evidence-list__num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.9;
  color: var(--violet);
}

.page-contact .evidence-list__text {
  display: block;
  font-size: 0.94rem;
  line-height: 1.8;
  color: #2C3350;
}

.page-contact .evidence-list__text strong {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--black);
  margin-bottom: 4px;
}

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

.page-contact .side-note {
  border: 1px solid var(--line);
  background: var(--ink-900);
  color: var(--paper);
  padding: clamp(22px, 3vw, 30px);
  box-shadow: var(--shadow-paper);
}

.page-contact .side-note h3 {
  margin: 12px 0 10px;
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  color: var(--paper);
}

.page-contact .side-note p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .side-note .btn {
  margin-top: 16px;
}

.page-contact .side-note__foot {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 合作沟通 ---------- */

.page-contact .coop-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-contact .coop-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3vw, 34px);
  padding-top: clamp(28px, 3.6vw, 42px);
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-contact .coop-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cy);
}

.page-contact .coop-card--topic::before {
  background: var(--orange);
}

.page-contact .coop-card h3 {
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .coop-card p {
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .coop-card__need {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .coop-card__need li {
  position: relative;
  padding: 9px 0 9px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .coop-card__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 8px;
  height: 1px;
  background: var(--cy);
}

.page-contact .coop-card--topic .coop-card__need li::before {
  background: var(--orange);
}

.page-contact .coop-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 本地沟通与到访 ---------- */

.page-contact .section--deep {
  background: var(--ink-950);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .visit-grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  grid-template-columns: 1fr;
}

.page-contact .visit-grid__copy .prose {
  margin-top: 16px;
  max-width: 48ch;
  color: var(--mist);
}

.page-contact .visit-details {
  margin-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-contact .visit-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-narrow);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cy);
}

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

.page-contact .visit-details summary::after {
  content: "＋";
  margin-left: auto;
  font-size: 0.9rem;
  color: var(--orange);
}

.page-contact .visit-details[open] summary::after {
  content: "－";
}

.page-contact .visit-details__body {
  padding: 4px 0 18px;
  border-bottom: 1px solid var(--line);
}

.page-contact .visit-details__body ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .visit-details__body li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .visit-details__body li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--orange);
}

.page-contact .visit-grid__media {
  margin: 0;
}

/* ---------- 发送前检查清单 ---------- */

.page-contact .checklist {
  list-style: none;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  counter-reset: contact-check;
}

.page-contact .checklist li {
  counter-increment: contact-check;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .checklist li::before {
  content: "✓";
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-top: 0.25em;
  border: 1px solid var(--line);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cy);
}

.page-contact .checklist__text {
  display: block;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .checklist__text strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 收束区 ---------- */

.page-contact .signoff {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--line);
  border-left: 5px solid var(--orange);
  background: var(--ink-800);
}

.page-contact .signoff__copy h2 {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .signoff__copy p {
  margin-top: 12px;
  max-width: 54ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .signoff__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.page-contact .signoff__links a {
  color: var(--cy);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: 0.9rem;
}

.page-contact .signoff__links a:hover,
.page-contact .signoff__links a:focus-visible {
  color: var(--orange);
}

.page-contact .signoff__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel__actions {
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(32px, 4.5vw, 60px);
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .signoff {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .signoff__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.72fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .search-help__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-contact .side-note {
    margin-top: 0;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__copy h1 {
    max-width: 16ch;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .hero-index__item,
  .page-contact .copy-field-hint {
    transition: none;
  }
}