.page-contact {
  --pc-gap: clamp(20px, 3.2vw, 40px);
  --pc-pad: clamp(16px, 2.4vw, 24px);
}

.page-contact .section {
  padding-block: clamp(56px, 8vw, 112px);
}

.page-contact .section--tight {
  padding-block: clamp(40px, 6vw, 80px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 5vw, 44px) 0 clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(124, 141, 181, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(124, 141, 181, 0.16) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 95% at 8% 0%, #000 0%, transparent 70%);
  mask-image: radial-gradient(120% 95% at 8% 0%, #000 0%, transparent 70%);
  pointer-events: none;
}

.page-contact .contact-hero > .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__lead {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: var(--measure);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-hero__channels {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .quick-line {
  background: var(--panel);
  padding: 14px var(--pc-pad);
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-contact .quick-line__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .quick-line__value {
  font-size: clamp(13px, 1.8vw, 15px);
  color: var(--text);
  word-break: break-word;
}

/* ---------- 渠道 + 时段 ---------- */
.page-contact .contact-split {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .channel-card {
  padding: var(--pc-card-pad, var(--pc-pad));
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left-width: 2px;
  border-left-style: solid;
  border-left-color: var(--line);
}

.page-contact .channel-card--mail { border-left-color: var(--cyan); }
.page-contact .channel-card--phone { border-left-color: var(--yellow); }
.page-contact .channel-card--visit { border-left-color: var(--green); }

.page-contact .channel-card__top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .channel-card__kind {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.5;
  color: var(--text);
  word-break: break-word;
}

.page-contact .channel-card__fit {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-card__hint {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .hours-panel {
  background: var(--panel-deep);
  border: 1px solid var(--line);
  padding: clamp(20px, 2.6vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .hours-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-contact .hours-panel__value {
  margin: 0;
  font-size: clamp(28px, 6vw, 40px);
  line-height: 1;
  color: var(--yellow);
  letter-spacing: -0.02em;
}

.page-contact .hours-panel__sub {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.page-contact .hours-bar__track {
  position: relative;
  height: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-contact .hours-bar__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(255, 209, 102, 0.3), var(--yellow));
}

.page-contact .hours-bar__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .hours-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .hours-panel__list li {
  display: flex;
  gap: 9px;
  align-items: flex-start;
}

.page-contact .hours-panel__list .dot {
  margin-top: 6px;
  flex: 0 0 auto;
}

/* ---------- 咨询准备 ---------- */
.page-contact .prepare-grid {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .checklist__label {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .checklist__label:hover {
  border-color: var(--cyan);
}

.page-contact .checklist__input {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  margin: 3px 0 0;
  border: 1px solid var(--grid);
  background: var(--ink);
  display: grid;
  place-content: center;
  cursor: pointer;
  border-radius: var(--radius);
}

.page-contact .checklist__input::after {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--cyan);
  transform: scale(0);
  transition: transform 0.18s var(--ease);
}

.page-contact .checklist__input:checked {
  border-color: var(--cyan);
}

.page-contact .checklist__input:checked::after {
  transform: scale(1);
}

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

.page-contact .checklist__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .checklist__text strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .prepare-note {
  padding: var(--pc-pad);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .prepare-note__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .prepare-note__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .prepare-note__list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-contact .prepare-note__idx {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  display: grid;
  place-content: center;
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid var(--line);
}

.page-contact .prepare-note__foot {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .prepare-note__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 208, 0.4);
}

/* ---------- 回复节奏 ---------- */
.page-contact .reply-grid {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .reply-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .reply-item {
  background: var(--ink);
  padding: 18px 0 18px 16px;
  border-left: 2px solid var(--line);
  display: grid;
  gap: 6px;
}

.page-contact .reply-item:first-child { border-left-color: var(--yellow); }
.page-contact .reply-item:nth-child(2) { border-left-color: var(--orange); }
.page-contact .reply-item:nth-child(3) { border-left-color: var(--cyan); }
.page-contact .reply-item:nth-child(4) { border-left-color: var(--blue); }

.page-contact .reply-item__time {
  margin: 0;
  font-size: clamp(15px, 2vw, 18px);
  color: var(--yellow);
  letter-spacing: 0.01em;
}

.page-contact .reply-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .reply-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .reply-figure {
  aspect-ratio: 2 / 1;
}

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

/* ---------- 合作类型 ---------- */
.page-contact .collab {
  margin-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--line);
}

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

.page-contact .collab__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 18px 16px;
  transition: background 0.2s var(--ease);
}

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

.page-contact .collab__q:hover {
  background: var(--panel-deep);
}

.page-contact .collab__name {
  font-family: var(--font-display);
  font-size: clamp(16px, 2.2vw, 20px);
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .collab__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .collab__item[open] .collab__q::after {
  content: "–";
}

.page-contact .collab__a {
  padding: 0 16px 22px;
  display: grid;
  gap: 16px;
}

.page-contact .collab__lead {
  margin: 0;
  max-width: var(--measure);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .collab__facts {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-contact .collab__facts div {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-contact .collab__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .collab__facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .collab__foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .collab__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 208, 0.4);
}

/* ---------- 到访 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .visit-info__address {
  display: block;
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding: 14px var(--pc-pad);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(14px, 1.9vw, 17px);
  line-height: 1.6;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--green);
  word-break: break-word;
}

.page-contact .visit-info__list {
  list-style: none;
  margin: clamp(18px, 2.6vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .visit-info__list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.page-contact .visit-info__list .dot {
  margin-top: 7px;
  flex: 0 0 auto;
}

.page-contact .visit-info__note {
  margin: clamp(18px, 2.6vw, 24px) 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .visit-media {
  aspect-ratio: 14 / 6;
}

/* ---------- 收束条 ---------- */
.page-contact .tail-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .tail-link {
  display: grid;
  gap: 8px;
  padding: 18px var(--pc-pad);
  background: var(--panel);
  text-decoration: none;
  transition: background 0.2s var(--ease);
}

.page-contact .tail-link:hover {
  background: var(--panel-deep);
}

.page-contact .tail-link__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .tail-link__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .tail-link__arrow {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--muted);
}

.page-contact .tail-link:hover .tail-link__arrow {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .tail-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .reply-item {
    padding-left: 20px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.6fr) minmax(250px, 0.8fr);
    align-items: start;
  }

  .page-contact .prepare-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .reply-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }

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

  .page-contact .collab__a {
    padding: 0 24px 26px;
  }

  .page-contact .collab__q {
    padding: 22px 24px;
  }

  .page-contact .collab__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-contact {
  --pc-card-pad: var(--pc-pad);
}