/* ===== 咨询服务页 · 作用域 .page-contact ===== */
.page-contact {
  --p-sec: clamp(44px, 7vw, 88px);
  --p-lead: clamp(15px, 1.5vw, 17px);
  background-image: radial-gradient(ellipse 860px 420px at 14% 0%, rgba(0, 229, 160, 0.075), transparent 62%);
  background-repeat: no-repeat;
}

/* --- 首屏 --- */
.page-contact .contact-hero {
  padding: clamp(22px, 4.6vw, 52px) 0 clamp(30px, 5.6vw, 68px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero .crumbs {
  margin-bottom: clamp(14px, 2.6vw, 24px);
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(27px, 5.2vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 12px 0 0;
  max-width: 22em;
}

.page-contact .contact-hero__lead {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 64ch;
  font-size: var(--p-lead);
  line-height: 1.8;
  color: var(--text);
}

.page-contact .contact-hero__media {
  margin-top: clamp(22px, 4vw, 44px);
}

/* --- 通信渠道 --- */
.page-contact .contact-channels {
  padding: var(--p-sec) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-channels__head {
  max-width: 72ch;
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-contact .contact-channels__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 24px);
}

/* --- 纸面卡片 --- */
.page-contact .contact-card {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper-line);
  box-shadow: var(--shadow-flat);
  padding: clamp(20px, 3.2vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34%;
  height: 3px;
  background: var(--orange);
}

.page-contact .contact-card--cold::before {
  background: var(--cold);
}

.page-contact .contact-card .index-label,
.page-contact .contact-cite__panel .index-label {
  color: var(--orange-ink);
}

.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 21px);
  letter-spacing: 0.01em;
  color: var(--ink);
  word-break: break-all;
  padding: 8px 0 12px;
  border-bottom: 1px solid var(--paper-line);
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .contact-card__sub {
  margin: 8px 0 2px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--orange-ink);
}

.page-contact .contact-card__fine {
  margin: 8px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--paper-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  line-height: 1.7;
  color: var(--ink);
  opacity: 0.72;
}

/* 材料清单 */
.page-contact .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .contact-list__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .contact-list__ck {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  position: relative;
  width: 15px;
  height: 15px;
  margin: 5px 0 0;
  border: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
}

.page-contact .contact-list__ck:checked::after {
  content: "";
  position: absolute;
  inset: 2px;
  background: var(--orange);
}

.page-contact .contact-list__ck:focus-visible {
  outline: 2px solid var(--orange-ink);
  outline-offset: 2px;
}

.page-contact .contact-list__item label {
  cursor: pointer;
}

/* 电话卡补充说明 */
.page-contact .contact-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .contact-notes li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .contact-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 11px;
  height: 1px;
  background: var(--cold);
}

/* --- 通信地址 --- */
.page-contact .contact-place {
  padding: var(--p-sec) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-place__body {
  margin-top: clamp(20px, 3.4vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.page-contact .addr {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(17px, 2.6vw, 27px);
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 18px;
  border-left: 3px solid var(--cyan);
  word-break: break-word;
}

.page-contact .addr__line {
  display: block;
}

.page-contact .contact-place__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
  opacity: 0.8;
  max-width: 52ch;
}

.page-contact .contact-place__icp {
  margin: 20px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cold);
}

/* --- 纠错流程 --- */
.page-contact .contact-flow {
  padding: var(--p-sec) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-flow__layout {
  margin-top: clamp(22px, 3.6vw, 38px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

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

.page-contact .flow__step {
  border-bottom: 1px solid var(--line);
}

.page-contact .flow__det {
  padding: 0;
}

.page-contact .flow__sum {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 17px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
}

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

.page-contact .flow__sum::marker {
  content: "";
}

.page-contact .flow__sum::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .flow__det[open] .flow__sum::after {
  content: "—";
  font-size: 12px;
}

.page-contact .flow__sum:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .flow__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-left: 2px;
}

.page-contact .flow__name {
  font-family: var(--font-display);
  font-size: clamp(16px, 2.1vw, 21px);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .flow__text {
  margin: 0 0 18px;
  padding-left: 60px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
  opacity: 0.84;
}

/* --- 引用与转载 --- */
.page-contact .contact-cite {
  padding: var(--p-sec) 0 clamp(48px, 8vw, 96px);
}

.page-contact .contact-cite__panel {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 46px);
}

.page-contact .contact-cite__panel h2 {
  color: var(--ink);
  margin: 0;
}

.page-contact .contact-cite__lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 68ch;
}

.page-contact .contact-cite__lead b {
  font-family: var(--font-mono);
  font-weight: 500;
  word-break: break-all;
}

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

.page-contact .cite-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .cite-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 11px;
  height: 1px;
  background: var(--orange);
}

.page-contact .contact-cite__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-contact .contact-cite__links .btn {
  border-color: var(--ink);
  color: var(--ink);
  background: transparent;
}

/* --- 共享标题节奏（仅本页） --- */
.page-contact .contact-channels h2,
.page-contact .contact-place h2,
.page-contact .contact-flow h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(21px, 3vw, 34px);
  line-height: 1.22;
  letter-spacing: 0;
  color: var(--text);
  max-width: 26em;
}

/* --- 响应式 --- */
@media (min-width: 760px) {
  .page-contact .contact-place__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-flow__layout {
    grid-template-columns: minmax(0, 0.74fr) minmax(0, 1.26fr);
  }
}

@media (max-width: 520px) {
  .page-contact .flow__sum {
    grid-template-columns: 36px minmax(0, 1fr) auto;
    gap: 9px;
  }

  .page-contact .flow__text {
    padding-left: 45px;
  }

  .page-contact .addr {
    font-size: 16px;
    padding-left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
    animation: none !important;
  }
}