.page-contact {
  --pc-gap: clamp(24px, 4vw, 48px);
  --pc-line: 1px solid var(--line-soft);
  --pc-rule: 1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(18px, 3vw, 34px);
}
.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--pc-gap);
}
.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 7vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
  max-width: 18em;
}
.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
}
.page-contact .hero-facts {
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--pc-rule);
}
.page-contact .hero-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 13px 0;
  border-bottom: var(--pc-line);
}
.page-contact .hero-facts__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.05rem, 3.4vw, 1.42rem);
  letter-spacing: -0.02em;
  color: var(--ochre);
  white-space: nowrap;
}
.page-contact .hero-facts__txt {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-soft);
}
.page-contact .contact-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.page-contact .contact-hero__media {
  margin: 0;
}
.page-contact .hero-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pc-rule);
}
.page-contact .hero-index__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px 14px;
  padding: 11px 0;
  border-bottom: var(--pc-line);
}
.page-contact .hero-index__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mute);
}
.page-contact .hero-index__val {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

/* ---------- 支持渠道 + 咨询范围 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: var(--pc-gap);
}
.page-contact .channel-intro {
  margin: 14px 0 24px;
  max-width: 38em;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--ink-soft);
}
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pc-rule);
}
.page-contact .channel-row {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  column-gap: 14px;
  padding: 16px 0;
  border-bottom: var(--pc-line);
}
.page-contact .channel-row__idx {
  grid-column: 1;
  grid-row: 1 / span 3;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ochre);
  padding-top: 0.35em;
}
.page-contact .channel-row__title {
  grid-column: 2;
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.page-contact .channel-row__val {
  grid-column: 2;
  margin: 3px 0 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--signal);
  word-break: break-all;
}
.page-contact .channel-row__desc {
  grid-column: 2;
  margin: 4px 0 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.page-contact .consult-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: var(--pc-rule);
}
.page-contact .consult-list > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-bottom: var(--pc-line);
}
.page-contact .consult-list__tag {
  display: inline-block;
  align-self: start;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ochre);
  border-left: 2px solid var(--ochre);
  padding-left: 8px;
}
.page-contact .consult-list__name {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
}
.page-contact .consult-list__desc {
  margin: 4px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 响应说明 + 留言表单 ---------- */
.page-contact .contact-desk__grid {
  display: grid;
  gap: var(--pc-gap);
}
.page-contact .response-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: var(--pc-rule);
}
.page-contact .response-list > li {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  gap: 2px 12px;
  padding: 15px 0;
  border-bottom: var(--pc-line);
}
.page-contact .response-list__k {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--signal);
  padding-top: 0.3em;
}
.page-contact .response-list__t {
  grid-column: 2;
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
}
.page-contact .response-list__d {
  grid-column: 2;
  margin: 4px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink-soft);
}
.page-contact .contact-desk__media {
  margin: 26px 0 0;
}

.page-contact .msg-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: clamp(20px, 4vw, 34px);
}
.page-contact .msg-panel__title {
  margin: 8px 0 0;
}
.page-contact .msg-panel__note {
  margin: 10px 0 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.page-contact .msg-panel__body {
  margin-top: 22px;
}

.page-contact .field {
  position: relative;
  margin-bottom: 16px;
}
.page-contact .field input,
.page-contact .field textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 23px 14px 9px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.page-contact .field--area textarea {
  min-height: 124px;
  padding-top: 26px;
  resize: vertical;
}
.page-contact .field label {
  position: absolute;
  left: 15px;
  top: 15px;
  font-size: 0.92rem;
  color: var(--ink-soft);
  pointer-events: none;
  transform-origin: left top;
  transition: transform 0.18s var(--ease), color 0.18s var(--ease);
}
.page-contact .field input:focus,
.page-contact .field textarea:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 3px rgba(14, 124, 123, 0.14);
}
.page-contact .field input:not(:placeholder-shown):invalid,
.page-contact .field textarea:not(:placeholder-shown):invalid {
  border-color: var(--ochre);
}
.page-contact .field input:focus + label,
.page-contact .field input:not(:placeholder-shown) + label,
.page-contact .field textarea:focus + label,
.page-contact .field textarea:not(:placeholder-shown) + label {
  transform: translateY(-8px) scale(0.76);
  color: var(--signal);
}
.page-contact .field input:not(:placeholder-shown):invalid + label {
  color: var(--ochre);
}

.page-contact .type-list {
  margin: 0 0 16px;
  padding: 0;
  border: 0;
}
.page-contact .type-list__legend {
  padding: 0 0 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
}
.page-contact .type-chip {
  position: relative;
  display: block;
  margin-bottom: 8px;
  padding: 11px 14px;
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.page-contact .type-chip:hover {
  border-color: var(--mute);
}
.page-contact .type-chip__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-contact .type-chip__box {
  display: block;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--ink);
}
.page-contact .type-chip__box::before {
  content: "";
  display: inline-block;
  width: 11px;
  height: 11px;
  margin-right: 10px;
  vertical-align: -1px;
  border: 1px solid var(--mute);
  border-radius: 50%;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.page-contact .type-chip__input:checked ~ .type-chip__box::before {
  border-color: var(--signal);
  box-shadow: inset 0 0 0 3px var(--signal);
}
.page-contact .type-chip__input:focus-visible ~ .type-chip__box::before {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}
.page-contact .type-chip__hint {
  display: none;
  margin: 8px 0 0 21px;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--ink-soft);
}
.page-contact .type-chip__input:checked ~ .type-chip__hint {
  display: block;
}

.page-contact .msg-panel__submit {
  width: 100%;
  margin-top: 6px;
}
.page-contact .msg-panel__foot {
  margin: 12px 0 0;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--mute);
}

/* ---------- 地址与备案 ---------- */
.page-contact .address-band {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--mist);
  padding: clamp(26px, 5vw, 52px);
  border-radius: var(--radius);
}
.page-contact .address-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(251, 247, 239, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(251, 247, 239, 0.09) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
.page-contact .address-band > * {
  position: relative;
}
.page-contact .address-band__eyebrow {
  color: rgba(251, 247, 239, 0.62);
}
.page-contact .address-band__title {
  margin: 10px 0 0;
  color: var(--mist);
  max-width: 20em;
}
.page-contact .address-grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(24px, 4vw, 40px);
}
.page-contact .address-item {
  border-top: 1px solid rgba(251, 247, 239, 0.28);
  padding-top: 14px;
}
.page-contact .address-item__k {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(251, 247, 239, 0.6);
}
.page-contact .address-item__v {
  margin: 8px 0 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--mist);
  word-break: break-word;
}
.page-contact .address-item__n {
  margin: 6px 0 0;
  font-size: 0.83rem;
  line-height: 1.7;
  color: rgba(251, 247, 239, 0.72);
}

/* ---------- 自助入口 ---------- */
.page-contact .quick-links {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: var(--pc-rule);
}
.page-contact .quick-links__a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 16px;
  padding: 16px 0;
  border-bottom: var(--pc-line);
  text-decoration: none;
  color: inherit;
}
.page-contact .quick-links__t {
  grid-column: 1;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: color 0.18s var(--ease);
}
.page-contact .quick-links__d {
  grid-column: 1;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.page-contact .quick-links__arrow {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--ochre);
  transition: transform 0.18s var(--ease);
}
.page-contact .quick-links__a:hover .quick-links__t {
  color: var(--signal);
}
.page-contact .quick-links__a:hover .quick-links__arrow {
  transform: translateX(4px);
}
.page-contact .quick-links__a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .address-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 32px;
  }
  .page-contact .consult-list > li {
    grid-template-columns: 6.4rem minmax(0, 1fr);
    gap: 2px 14px;
  }
  .page-contact .consult-list__tag {
    grid-column: 1;
    grid-row: 1 / span 2;
  }
  .page-contact .consult-list__body {
    grid-column: 2;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-contact .contact-hero__aside {
    padding-top: 26px;
  }
}

@media (min-width: 960px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
  }
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }
  .page-contact .address-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .address-band__title {
    font-size: clamp(1.7rem, 2.6vw, 2.3rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .field input,
  .page-contact .field textarea,
  .page-contact .field label,
  .page-contact .type-chip,
  .page-contact .quick-links__t,
  .page-contact .quick-links__arrow {
    transition: none;
  }
  .page-contact .quick-links__a:hover .quick-links__arrow {
    transform: none;
  }
}