.page-contact {
  --contact-cut: 16px;
  --contact-rise: 6px;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  padding-top: 24px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(33, 230, 193, 0.12), transparent 62%),
    radial-gradient(80% 70% at 4% 110%, rgba(240, 184, 90, 0.07), transparent 60%);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: 34px;
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .contact-hero__lede {
  max-width: 48ch;
  margin-top: 18px;
}

.page-contact .contact-hero__quick {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .quick-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 15px 18px;
  background: var(--panel-deep);
}

.page-contact .quick-item__label {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .quick-item__value {
  font-size: 15px;
  color: var(--ink);
}

.page-contact .quick-item__value--num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(19px, 5.4vw, 25px);
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .quick-item__value--mail {
  font-family: var(--font-num);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.01em;
  word-break: break-all;
}

.page-contact .contact-hero__media {
  position: relative;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-soft);
}

.page-contact .contact-hero__media .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 通道台 ---------- */
.page-contact .desk {
  position: relative;
  display: grid;
  gap: 22px;
  margin-top: 34px;
}

.page-contact .desk__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .desk__channels {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .channel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-auto-rows: min-content;
  gap: 3px 16px;
  padding: 18px 20px;
  background: var(--panel-deep);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease), box-shadow var(--t) var(--ease);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}

.page-contact .channel__idx {
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--font-num);
  font-weight: 200;
  font-size: 30px;
  line-height: 1;
  color: var(--muted);
  transition: color var(--t) var(--ease);
}

.page-contact .channel__name {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .channel__hint {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .channel:hover {
  border-color: var(--cyan-deep);
  background: var(--panel);
}

.page-contact .desk__radio:focus-visible ~ .desk__channels .channel {
  outline: none;
}

.page-contact #ch-phone:checked ~ .desk__channels .channel[for="ch-phone"],
.page-contact #ch-mail:checked ~ .desk__channels .channel[for="ch-mail"],
.page-contact #ch-biz:checked ~ .desk__channels .channel[for="ch-biz"] {
  background: linear-gradient(90deg, rgba(33, 230, 193, 0.16), rgba(33, 230, 193, 0) 72%), var(--panel);
  border-color: var(--cyan);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-contact #ch-phone:checked ~ .desk__channels .channel[for="ch-phone"] .channel__idx,
.page-contact #ch-mail:checked ~ .desk__channels .channel[for="ch-mail"] .channel__idx,
.page-contact #ch-biz:checked ~ .desk__channels .channel[for="ch-biz"] .channel__idx {
  color: var(--cyan);
}

.page-contact .desk__stage {
  position: relative;
}

.page-contact .stage-panel {
  display: none;
  padding: 26px 22px;
  background: var(--panel-deep);
}

.page-contact .stage-panel.is-visible,
.page-contact .stage-panel[data-reveal] {
  animation: contactStageIn var(--t) var(--ease) both;
}

@keyframes contactStageIn {
  from { opacity: 0; transform: translateY(var(--contact-rise)); }
  to { opacity: 1; transform: none; }
}

.page-contact #ch-phone:checked ~ .desk__stage .stage-panel--phone,
.page-contact #ch-mail:checked ~ .desk__stage .stage-panel--mail,
.page-contact #ch-biz:checked ~ .desk__stage .stage-panel--biz {
  display: block;
}

.page-contact .stage-panel__value {
  margin: 16px 0 0;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(24px, 6.4vw, 36px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .stage-panel__value--mail {
  font-size: clamp(17px, 4.6vw, 24px);
  word-break: break-all;
  color: var(--ink);
}

.page-contact .stage-panel__flag {
  display: inline-block;
  margin: 14px 0 0;
}

.page-contact .stage-list {
  display: grid;
  gap: 11px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .stage-list li {
  position: relative;
  padding-left: 19px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .stage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.page-contact .stage-panel__prep {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 服务时段 ---------- */
.page-contact .contact-slot__inner {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-contact .contact-slot__copy .prose {
  max-width: 44ch;
}

.page-contact .slot-ruler {
  padding: 24px 20px 20px;
  background: var(--panel-deep);
  border: 1px solid var(--line-soft);
  clip-path: polygon(var(--contact-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--contact-cut));
}

.page-contact .slot-ruler__track {
  display: flex;
  align-items: flex-end;
  height: 44px;
  border-bottom: 1px solid var(--line);
}

.page-contact .slot-ruler__track i {
  flex: 1 1 0;
  height: 12px;
  border-left: 1px solid var(--line-soft);
  transition: height var(--t) var(--ease), background var(--t) var(--ease);
}

.page-contact .slot-ruler__track i:nth-child(n + 10):nth-child(-n + 18) {
  height: 32px;
  border-left-color: var(--cyan);
  background: linear-gradient(to top, rgba(33, 230, 193, 0.55), rgba(33, 230, 193, 0.06));
}

.page-contact .slot-ruler:hover .slot-ruler__track i:nth-child(n + 10):nth-child(-n + 18) {
  height: 40px;
  background: linear-gradient(to top, rgba(33, 230, 193, 0.8), rgba(33, 230, 193, 0.12));
}

.page-contact .slot-ruler__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-num);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .slot-ruler__legend {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .slot-ruler__key {
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  margin-top: 3px;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

/* ---------- 反馈表单 ---------- */
.page-contact .contact-form__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-contact .contact-form__intro .prose {
  max-width: 42ch;
}

.page-contact .form-panel {
  display: grid;
  gap: 18px;
  padding: 26px 22px;
  background: var(--panel-deep);
}

.page-contact .field {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-contact .field__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .field__input {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: 0;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-contact .field__input::placeholder {
  color: rgba(155, 179, 171, 0.62);
}

.page-contact .field__input:focus {
  outline: none;
  border-color: var(--cyan);
  background: var(--panel);
}

.page-contact .field__input--area {
  resize: vertical;
  min-height: 118px;
}

.page-contact .topic {
  margin: 0;
  padding: 0;
  border: 0;
}

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

.page-contact .topic__opt {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}

.page-contact .topic__opt input {
  accent-color: var(--cyan);
  margin: 0;
}

.page-contact .topic__opt:hover {
  border-color: var(--cyan-deep);
  color: var(--ink);
}

.page-contact .topic__opt:has(input:checked) {
  border-color: var(--cyan);
  color: var(--ink);
  background: rgba(33, 230, 193, 0.09);
}

.page-contact .topic__opt input:checked + span {
  color: var(--ink);
}

.page-contact .form-panel__submit {
  justify-self: start;
  min-width: 168px;
}

.page-contact .form-panel__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 来访与邮寄 ---------- */
.page-contact .contact-visit__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-contact .contact-visit__copy .prose {
  max-width: 44ch;
}

.page-contact .visit-list {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .visit-list li {
  padding-left: 15px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .visit-list__k {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-contact .contact-visit__media {
  position: relative;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-soft);
}

.page-contact .contact-visit__media .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-visit__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 44px 44px;
}

/* ---------- 相关栏目 ---------- */
.page-contact .more-strip {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-contact .more-link {
  display: grid;
  gap: 7px;
  padding: 22px 20px;
  background: var(--panel-deep);
  text-decoration: none;
  transition: background var(--t) var(--ease);
}

.page-contact .more-link strong {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--ink);
  transition: color var(--t) var(--ease);
}

.page-contact .more-link span {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

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

.page-contact .more-link:hover strong {
  color: var(--cyan);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: 56px;
  }

  .page-contact .desk {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 34px;
  }

  .page-contact .contact-slot__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-contact .contact-form__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 56px;
  }

  .page-contact .contact-visit__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
  }

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

  .page-contact .stage-panel {
    padding: 34px 32px;
  }

  .page-contact .form-panel {
    padding: 34px 32px;
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 480px) {
  .page-contact .contact-hero__title {
    font-size: clamp(30px, 9vw, 40px);
  }

  .page-contact .quick-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-contact .channel {
    padding: 16px 15px;
  }

  .page-contact .channel__idx {
    font-size: 24px;
  }

  .page-contact .stage-panel {
    padding: 22px 16px;
  }

  .page-contact .form-panel {
    padding: 22px 16px;
  }

  .page-contact .slot-ruler {
    padding: 20px 14px 16px;
  }

  .page-contact .slot-ruler__ticks {
    font-size: 10px;
  }

  .page-contact .form-panel__submit {
    justify-self: stretch;
  }
}