.page-contact {
  --contact-card-pad: clamp(20px, 3.2vw, 30px);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-contact .breadcrumbs {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 开场：左叙事 + 右时段牌 ---------- */
.page-contact .contact-open {
  display: grid;
  gap: 26px;
  padding: clamp(14px, 3.5vw, 34px) 0 clamp(4px, 1.5vw, 14px);
}

.page-contact .contact-open__kicker {
  display: inline-block;
  position: relative;
  margin: 0 0 14px;
  padding-left: 26px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--cyan-500);
}

.page-contact .contact-open__kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 18px;
  height: 1px;
  background: var(--cyan-500);
}

.page-contact .contact-open h1 {
  margin: 0 0 18px;
  max-width: 22ch;
}

.page-contact .contact-open .lede {
  max-width: 44ch;
  margin: 0;
}

.page-contact .contact-open__aside {
  align-self: start;
  border: 1px solid var(--ink-700);
  border-left: 3px solid var(--cyan-500);
  background: var(--ink-900);
  padding: 20px 22px 22px;
  box-shadow: var(--shadow-stack);
}

.page-contact .contact-open__aside-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate-400);
}

.page-contact .contact-open__aside-value {
  margin: 0 0 12px;
  font-size: clamp(28px, 7vw, 36px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

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

.page-contact .contact-open__aside-rule {
  height: 1px;
  margin: 16px 0;
  background: var(--ink-700);
}

.page-contact .contact-open__aside-note--quiet {
  color: var(--slate-400);
}

@media (min-width: 820px) {
  .page-contact .contact-open {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 三步自检 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .check-step {
  border: 1px solid var(--ink-700);
  background: var(--ink-900);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-contact .check-step:has(.check-step__box:checked) {
  border-color: var(--cyan-500);
  background: var(--ink-950);
}

.page-contact .check-step__label {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px var(--contact-card-pad);
  cursor: pointer;
}

.page-contact .check-step__box {
  -webkit-appearance: none;
  appearance: none;
  justify-self: start;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--ink-700);
  background: var(--ink-950);
  position: relative;
  cursor: pointer;
  flex: none;
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-contact .check-step__box:hover {
  border-color: var(--cyan-500);
}

.page-contact .check-step__box:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 2px;
}

.page-contact .check-step__box:checked {
  background: var(--cyan-500);
  border-color: var(--cyan-500);
}

.page-contact .check-step__box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink-950);
  border-bottom: 2px solid var(--ink-950);
  transform: rotate(42deg);
}

.page-contact .check-step__idx {
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: .08em;
  color: var(--cyan-500);
}

.page-contact .check-step__title {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-contact .check-step__note {
  display: block;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-text);
}

/* ---------- 服务通道 ---------- */
.page-contact .contact-board {
  margin: 26px 0 0;
}

.page-contact .channel {
  margin-top: 24px;
}

.page-contact .channel__grid {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  padding: var(--contact-card-pad);
  border-top: 3px solid var(--cyan-500);
}

.page-contact .channel-card--phone {
  border-top-color: var(--blue-600);
}

.page-contact .channel-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 16px;
}

.page-contact .channel-card__hours {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate-400);
}

.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.55;
  color: var(--paper-050);
  word-break: break-all;
}

.page-contact .channel-card__value--big {
  font-size: clamp(26px, 6vw, 34px);
  line-height: 1.15;
  letter-spacing: .01em;
  word-break: normal;
}

.page-contact .channel-card__copy {
  align-self: flex-start;
  margin-bottom: 18px;
}

.page-contact .channel-card__desc {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-text);
}

.page-contact .channel-card__list {
  list-style: none;
  margin: auto 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--ink-700);
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate-400);
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1px;
  background: var(--cyan-500);
}

@media (min-width: 880px) {
  .page-contact .channel__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px;
    align-items: start;
  }

  .page-contact .channel-card--phone {
    margin-top: 52px;
  }
}

/* ---------- 联系地址与备案 ---------- */
.page-contact .registry {
  margin-top: 24px;
  padding: var(--contact-card-pad);
}

.page-contact .registry__list {
  margin: 0;
}

.page-contact .registry__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ink-700);
}

.page-contact .registry__row:first-child {
  padding-top: 0;
}

.page-contact .registry__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .registry dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate-400);
}

.page-contact .registry dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper-050);
}

.page-contact .registry__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--ink-700);
}

@media (min-width: 720px) {
  .page-contact .registry__row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

/* ---------- 不要发送的内容 ---------- */
.page-contact .refuse {
  align-items: start;
  gap: 32px;
}

.page-contact .refuse__body p {
  max-width: 40ch;
}

.page-contact .refuse__tags {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .refuse__tags li {
  padding: 7px 13px;
  border: 1px solid var(--amber-500);
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.2;
  letter-spacing: .04em;
  color: var(--amber-500);
}

.page-contact .refuse__figure {
  margin: 0;
}

/* ---------- 自助路径 ---------- */
.page-contact .selfserve {
  margin-top: 26px;
  align-items: stretch;
}

.page-contact .selfserve__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  border: 1px solid var(--ink-700);
  border-top: 3px solid var(--cyan-500);
  background: var(--ink-900);
  text-decoration: none;
  color: inherit;
  transition: transform .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-contact .selfserve__card:hover,
.page-contact .selfserve__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan-500);
  background: var(--ink-950);
  outline: none;
}

.page-contact .selfserve__idx {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-500);
}

.page-contact .selfserve__title {
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-contact .selfserve__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-text);
}

.page-contact .selfserve__go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--blue-300);
}

.page-contact .selfserve__foot {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-contact .selfserve__foot a {
  color: var(--blue-300);
}

/* ---------- 底部备案条 ---------- */
.page-contact .contact-legal {
  margin-top: clamp(36px, 7vw, 76px);
  padding-top: 18px;
  border-top: 1px solid var(--ink-700);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 20px;
}

.page-contact .contact-legal__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-contact .contact-legal__text .mono {
  color: var(--paper-050);
}

@media (max-width: 420px) {
  .page-contact .check-step__label {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
  }

  .page-contact .check-step__idx {
    grid-row: 1;
    grid-column: 2;
  }

  .page-contact .check-step__body {
    grid-row: 2;
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .check-step,
  .page-contact .check-step__box,
  .page-contact .selfserve__card {
    transition: none;
  }

  .page-contact .selfserve__card:hover,
  .page-contact .selfserve__card:focus-visible {
    transform: none;
  }
}