.page-contact {
  --cc-hair: 1px solid var(--mist-deep);
  --cc-hair-dark: 1px solid rgba(247, 246, 241, .22);
  --cc-violet-soft: rgba(74, 44, 99, .38);
}

/* ---------- 首屏 ---------- */
.page-contact .cc-intro {
  max-width: 64ch;
  margin-bottom: var(--space-m);
}

.page-contact .cc-title {
  margin: 14px 0 22px;
  color: var(--ink);
}

.page-contact .cc-lede {
  max-width: 44ch;
  color: var(--ink-soft);
}

/* ---------- 双栏调度台 ---------- */
.page-contact .cc-desk {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-m);
  border-top: var(--cc-hair);
  padding-top: var(--space-s);
}

@media (min-width: 900px) {
  .page-contact .cc-desk {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: var(--space-l);
  }
}

.page-contact .cc-prep__title,
.page-contact .cc-ask__title,
.page-contact .cc-groups__title,
.page-contact .cc-tail__title {
  margin: 0;
  font-size: var(--fs-24);
  line-height: 1.25;
  color: var(--ink);
}

.page-contact .cc-prep__note,
.page-contact .cc-ask__note,
.page-contact .cc-groups__note {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--ink-soft);
}

/* ---------- 准备清单 ---------- */
.page-contact .cc-prep__list {
  list-style: none;
  margin: var(--space-s) 0 0;
  padding: 0;
  border-top: var(--cc-hair);
}

.page-contact .cc-prep__item {
  display: grid;
  grid-template-columns: 20px 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 18px 0;
  border-bottom: var(--cc-hair);
}

.page-contact .cc-prep__box,
.page-contact .cc-group__box {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--mist-deep);
  background: var(--paper);
  cursor: pointer;
  transition: background-color .16s var(--ease), border-color .16s var(--ease), box-shadow .16s var(--ease);
}

.page-contact .cc-prep__box:hover,
.page-contact .cc-group__box:hover {
  border-color: var(--orange);
}

.page-contact .cc-prep__box:focus-visible,
.page-contact .cc-group__box:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(226, 88, 15, .28);
}

.page-contact .cc-prep__box:checked,
.page-contact .cc-group__box:checked {
  background: var(--ink);
  border-color: var(--ink);
  box-shadow: inset 0 0 0 3px var(--paper);
}

.page-contact .cc-prep__idx {
  padding-top: 3px;
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .cc-prep__body {
  display: block;
  cursor: pointer;
}

.page-contact .cc-prep__name {
  display: block;
  font-size: var(--fs-17);
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .cc-prep__desc {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 咨询模板 ---------- */
.page-contact .cc-tpl {
  margin-top: var(--space-s);
  border: var(--cc-hair);
  background: var(--paper);
}

.page-contact .cc-tpl__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: var(--cc-hair);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--ink-soft);
}

.page-contact .cc-tpl__text {
  margin: 0;
  padding: 18px 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 2;
  color: var(--ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .cc-copybtn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-self: start;
  padding: 6px 12px;
  border: var(--cc-hair);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  cursor: pointer;
  transition: border-color .16s var(--ease), color .16s var(--ease), background-color .16s var(--ease);
}

.page-contact .cc-copybtn:hover,
.page-contact .cc-copybtn:focus-visible {
  outline: none;
  border-color: var(--orange);
  color: var(--orange);
  box-shadow: 0 0 0 2px rgba(226, 88, 15, .2);
}

.page-contact .cc-copybtn.is-copied {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--paper);
  box-shadow: none;
}

.page-contact .cc-copybtn__state {
  font-size: var(--fs-12);
  letter-spacing: .06em;
}

/* ---------- 参数组选择 ---------- */
.page-contact .cc-groups-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-m);
  align-items: start;
}

@media (min-width: 900px) {
  .page-contact .cc-groups-wrap {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: var(--space-l);
  }
}

.page-contact .cc-figure {
  margin: 0;
  border: var(--cc-hair);
  border-radius: var(--radius-s);
  overflow: hidden;
  background: var(--paper);
}

.page-contact .cc-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-contact .cc-figure__cap {
  padding: 12px 16px;
  border-top: var(--cc-hair);
  font-size: var(--fs-12);
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-contact .cc-groups__list {
  list-style: none;
  margin: var(--space-s) 0 0;
  padding: 0;
  border-top: var(--cc-hair);
}

.page-contact .cc-group {
  position: relative;
  padding-left: 14px;
  border-bottom: var(--cc-hair);
}

.page-contact .cc-group::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 3px;
  background: var(--violet);
  opacity: .4;
  transition: opacity .18s var(--ease);
}

.page-contact .cc-group:hover::before {
  opacity: 1;
}

.page-contact .cc-group__row {
  display: grid;
  grid-template-columns: 20px 66px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  cursor: pointer;
}

.page-contact .cc-group__code {
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--violet);
}

.page-contact .cc-group__desc {
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 深色联系分区 ---------- */
.page-contact .cc-contact {
  position: relative;
  overflow: hidden;
}

.page-contact .cc-contact__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  pointer-events: none;
}

.page-contact .cc-contact__inner {
  position: relative;
  z-index: 1;
}

.page-contact .cc-contact__title {
  margin: 12px 0 16px;
}

.page-contact .cc-contact__lede {
  max-width: 46ch;
  margin: 0 0 var(--space-m);
}

.page-contact .cc-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--cc-hair-dark);
}

.page-contact .cc-line {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-items: center;
  padding: 20px 0;
  border-bottom: var(--cc-hair-dark);
}

@media (min-width: 760px) {
  .page-contact .cc-line {
    grid-template-columns: 118px minmax(0, 1fr) auto;
    gap: 20px;
  }
}

.page-contact .cc-line__k {
  font-size: var(--fs-12);
  letter-spacing: .2em;
  color: var(--orange);
}

.page-contact .cc-line__v {
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.2vw, 30px);
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .cc-line__v--addr {
  font-size: clamp(15px, 2.1vw, 21px);
  line-height: 1.6;
}

.page-contact .cc-contact .cc-copybtn {
  border-color: rgba(247, 246, 241, .42);
  background: transparent;
  color: var(--paper);
}

.page-contact .cc-contact .cc-copybtn:hover,
.page-contact .cc-contact .cc-copybtn:focus-visible {
  border-color: var(--orange);
  color: var(--orange);
  box-shadow: none;
}

.page-contact .cc-contact .cc-copybtn.is-copied {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--paper);
}

.page-contact .cc-contact__tip {
  max-width: 62ch;
  margin: var(--space-s) 0 0;
  font-size: var(--fs-14);
  line-height: 1.95;
  color: rgba(247, 246, 241, .78);
}

/* ---------- 页尾 ---------- */
.page-contact .cc-tail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-m);
  border-top: var(--cc-hair);
  padding-top: var(--space-s);
}

@media (min-width: 900px) {
  .page-contact .cc-tail__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    gap: var(--space-l);
  }
}

.page-contact .cc-tail__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .cc-tail__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-17);
  line-height: 1.95;
  color: var(--ink);
}

.page-contact .cc-tail__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .92em;
  width: 12px;
  height: 1px;
  background: var(--orange);
}

.page-contact .cc-tail__icp {
  display: inline-block;
  margin: 18px 0 14px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--wine);
  font-size: var(--fs-14);
  letter-spacing: .14em;
  color: var(--wine);
}

.page-contact .cc-tail__text {
  margin: 0;
  max-width: 40ch;
  font-size: var(--fs-14);
  line-height: 1.95;
  color: var(--ink-soft);
}

.page-contact .cc-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: var(--space-s) 0 0;
  padding-top: 16px;
  border-top: var(--cc-hair);
}

.page-contact .cc-tail__links a {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--jiang);
  text-decoration: none;
  border-bottom: 1px solid var(--mist-deep);
  padding-bottom: 3px;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .cc-tail__links a:hover,
.page-contact .cc-tail__links a:focus-visible {
  outline: none;
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 小屏收敛 ---------- */
@media (max-width: 520px) {
  .page-contact .cc-prep__item {
    grid-template-columns: 20px 26px minmax(0, 1fr);
    gap: 10px;
  }

  .page-contact .cc-group__row {
    grid-template-columns: 20px 58px minmax(0, 1fr);
    gap: 10px;
  }

  .page-contact .cc-tpl__bar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: .01ms !important;
  }
}