.page-contact {
  --contact-gap: clamp(1.25rem, 3vw, 2rem);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  overflow-x: clip;
}

.page-contact .breadcrumb {
  padding-top: clamp(1rem, 3vw, 1.75rem);
}

/* ---------- 抬头 ---------- */
.page-contact .contact-head {
  max-width: 46rem;
  padding-block: clamp(1.5rem, 4vw, 2.75rem) clamp(1.75rem, 4vw, 3rem);
}

.page-contact .contact-title {
  margin: .75rem 0 0;
  font-size: clamp(2rem, 6.4vw, 3.9rem);
  line-height: 1.12;
  letter-spacing: .06em;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .contact-lead {
  margin: 1.15rem 0 0;
  max-width: 40rem;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.85;
  color: var(--ink-72);
}

/* ---------- 双栏：联系事实 + 邮件模板 ---------- */
.page-contact .contact-band {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-facts {
  position: relative;
  background: var(--paper-white);
  border: 1px solid var(--ink-16);
  padding: clamp(1.15rem, 2.4vw, 1.9rem);
}

.page-contact .contact-facts::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cobalt), var(--cyan) 68%, var(--orange));
}

.page-contact .contact-facts h2,
.page-contact .contact-callback h2,
.page-contact .contact-prep h2,
.page-contact .contact-region h2,
.page-contact .contact-registry h2 {
  margin: 0 0 .9rem;
  font-size: clamp(1.2rem, 2.3vw, 1.55rem);
  line-height: 1.35;
  letter-spacing: .08em;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .facts-figure,
.page-contact .callback-figure {
  margin: 0 0 1.4rem;
}

.page-contact .contact-facts img,
.page-contact .contact-callback img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .facts-list {
  margin: 0;
  display: grid;
  gap: .9rem;
}

.page-contact .fact {
  border-top: 1px solid var(--ink-16);
  padding-top: .7rem;
}

.page-contact .fact dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-52);
}

.page-contact .fact dd {
  margin: .3rem 0 0;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .fact dd .mono {
  font-size: .97rem;
  letter-spacing: .02em;
  word-break: break-all;
}

/* 服务时段刻度 */
.page-contact .hour-scale {
  margin-top: 1.5rem;
}

.page-contact .hour-ticks {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  height: 22px;
  border-bottom: 1px solid var(--ink-24);
}

.page-contact .hour-ticks span {
  display: block;
  width: 1px;
  height: 8px;
  background: var(--ink-24);
}

.page-contact .hour-ticks span:nth-child(3n + 1) {
  height: 17px;
  background: var(--cobalt);
}

.page-contact .hour-labels {
  display: flex;
  justify-content: space-between;
  margin-top: .4rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--ink-52);
}

.page-contact .facts-note {
  margin: 1.25rem 0 0;
  padding-left: .8rem;
  border-left: 2px solid var(--orange);
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ink-72);
}

/* 邮件模板卡 */
.page-contact .contact-mail {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 2.8vw, 2.25rem);
  color: var(--paper-white);
  background-color: var(--deep);
  background-image:
    linear-gradient(rgba(169, 199, 255, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 199, 255, .09) 1px, transparent 1px);
  background-size: 46px 46px;
  background-position: 0 0;
}

.page-contact .contact-mail::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: 58%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 216, 255, .22), transparent 70%);
  pointer-events: none;
}

.page-contact .contact-mail h2 {
  position: relative;
  margin: 0 0 .85rem;
  font-size: clamp(1.2rem, 2.3vw, 1.55rem);
  line-height: 1.35;
  letter-spacing: .08em;
  font-weight: 700;
  color: var(--paper-white);
}

.page-contact .contact-mail > p {
  position: relative;
  margin: 0 0 1.3rem;
  max-width: 34rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper-72);
}

.page-contact .mail-card {
  position: relative;
  background: var(--paper-white);
  color: var(--ink);
  padding: clamp(1rem, 2vw, 1.35rem);
  border-left: 3px solid var(--cyan);
}

.page-contact .mail-card-label {
  margin: 0 0 .85rem;
  font-size: .7rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cobalt);
}

.page-contact .mail-body {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.95;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink);
}

.page-contact .mail-tips {
  position: relative;
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-contact .mail-tips li {
  display: flex;
  gap: .6rem;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--paper-72);
}

.page-contact .mail-tips li::before {
  content: "—";
  font-family: var(--font-mono);
  color: var(--cyan);
  flex: none;
}

/* ---------- 回拨 ---------- */
.page-contact .contact-callback {
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
  display: grid;
  gap: var(--contact-gap);
  align-items: center;
  background: var(--paper-white);
  border: 1px solid var(--ink-16);
  padding: clamp(1.25rem, 2.8vw, 2.25rem);
}

.page-contact .contact-callback > .callback-copy > p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--ink-72);
}

.page-contact .callback-steps {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .callback-steps li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: .6rem;
  align-items: start;
  padding-top: .85rem;
  border-top: 1px solid var(--ink-16);
  font-size: .93rem;
  line-height: 1.72;
  color: var(--ink-72);
}

.page-contact .callback-steps li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .callback-steps .mono {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--cobalt);
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prep {
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.page-contact .prep-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ink-16);
  border: 1px solid var(--ink-16);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: .7rem;
  row-gap: .3rem;
  align-content: start;
  background: var(--paper-white);
  padding: clamp(1rem, 2vw, 1.5rem);
  border-top: 2px solid transparent;
  transition: border-color .3s var(--ease);
}

.page-contact .prep-item:hover {
  border-top-color: var(--cyan);
}

.page-contact .prep-num {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--cobalt);
  padding-top: .18rem;
}

.page-contact .prep-item h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: .04em;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .prep-item p {
  grid-column: 1 / -1;
  margin: .3rem 0 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ink-72);
}

/* ---------- 服务范围与合作 ---------- */
.page-contact .contact-region {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding: clamp(1.25rem, 2.8vw, 2.25rem);
  color: var(--paper-white);
  background: linear-gradient(150deg, var(--deep) 28%, rgba(31, 79, 216, .88) 100%);
}

.page-contact .contact-region h2 {
  color: var(--paper-white);
}

.page-contact .region-lead > p:last-child {
  margin: 0;
  max-width: 42rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper-72);
}

.page-contact .region-cards {
  display: grid;
  gap: 1px;
  margin-top: 1.5rem;
  background: var(--mist-32);
  border: 1px solid var(--mist-32);
}

.page-contact .region-card {
  display: grid;
  gap: .6rem;
  align-content: start;
  background: var(--mist-16);
  padding: clamp(1rem, 2vw, 1.6rem);
  border-top: 2px solid var(--cyan);
}

.page-contact .region-card h3 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: .08em;
  color: var(--paper-white);
}

.page-contact .region-card p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--paper-72);
}

.page-contact .region-card .btn {
  justify-self: start;
  margin-top: .35rem;
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-registry {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding-top: clamp(1.25rem, 2.5vw, 2rem);
  border-top: 1px solid var(--ink-24);
}

.page-contact .registry-grid {
  display: grid;
  gap: 1px;
  margin: 1.25rem 0 0;
  background: var(--ink-16);
  border: 1px solid var(--ink-16);
}

.page-contact .registry-item {
  background: var(--paper-white);
  padding: 1rem 1.15rem;
}

.page-contact .registry-item dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-52);
}

.page-contact .registry-item dd {
  margin: .4rem 0 0;
  font-size: .95rem;
  line-height: 1.68;
  color: var(--ink);
}

.page-contact .registry-item dd.mono {
  letter-spacing: .04em;
}

.page-contact .registry-note {
  margin: 1rem 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--ink-52);
}

.page-contact .registry-note a {
  color: var(--cobalt);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .region-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .contact-band {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }

  .page-contact .contact-callback {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-contact .contact-region {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: start;
  }

  .page-contact .region-cards {
    margin-top: 0;
  }
}

@media (min-width: 1100px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}