.page-contact {
  --c-gap: clamp(20px, 3vw, 40px);
  --c-shadow: 12px 12px 0 rgba(3, 10, 16, 0.55);
}

.page-contact .section {
  margin-top: clamp(36px, 6vw, 76px);
}

.page-contact .contact-head {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(22px, 3.4vw, 36px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.015em;
}

.page-contact .contact-head .lede {
  max-width: 60ch;
  color: var(--fg-dim);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.page-contact .contact-quick {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-quick li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 6px 10px;
  color: var(--mist);
  border: 1px solid var(--line);
  background: rgba(11, 39, 64, 0.6);
}

.page-contact .c-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .c-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .c-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
}

.page-contact .c-note {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
}

/* 01 入口示意 + 联系卡 */
.page-contact .entry-grid {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .entry-mock {
  position: relative;
  padding: clamp(18px, 3vw, 28px);
  background: linear-gradient(160deg, var(--mid), var(--deep) 72%);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--amber);
  box-shadow: var(--c-shadow);
}

.page-contact .entry-mock::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px dashed rgba(255, 200, 87, 0.5);
  pointer-events: none;
}

.page-contact .entry-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--amber);
}

.page-contact .entry-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-contact .entry-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 30px);
  color: var(--paper);
}

.page-contact .c-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 4px 9px;
  color: var(--amber);
  border: 1px solid rgba(255, 200, 87, 0.7);
  background: rgba(255, 200, 87, 0.08);
}

.page-contact .entry-lines {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .entry-line {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .entry-line dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  letter-spacing: 0.08em;
}

.page-contact .entry-line dd {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .entry-line:last-child dd {
  color: var(--mist);
}

.page-contact .entry-foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-contact .c-figure {
  margin: 18px 0 0;
  border: 1px solid var(--line-soft);
  background: var(--ink);
}

.page-contact .c-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .img-cap {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--fg-dim);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-cards {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .contact-card {
  padding: 16px 18px;
  background: var(--mid);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--steel);
  display: grid;
  gap: 8px;
}

.page-contact .contact-card:nth-child(1) {
  border-left-color: var(--cyan);
}

.page-contact .contact-card:nth-child(2) {
  border-left-color: var(--orange);
}

.page-contact .contact-card:nth-child(3) {
  border-left-color: var(--green);
}

.page-contact .card-lbl {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-contact .card-value {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .card-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-contact .copy-field {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 9px 10px;
  background: rgba(6, 24, 38, 0.75);
  border: 1px solid var(--line-soft);
}

.page-contact .copy-value {
  flex: 1 1 160px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--mist);
  word-break: break-all;
}

.page-contact .copy-btn {
  flex: 0 0 auto;
  padding: 6px 12px;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--deep);
  background: var(--cyan);
  border: 1px solid var(--cyan);
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--mist);
  color: var(--deep);
}

.page-contact .copy-btn[data-copied] {
  background: var(--green);
  border-color: var(--green);
}

/* 02 服务时段 */
.page-contact .hours-grid {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .hours-panel {
  padding: clamp(18px, 3vw, 28px);
  background: var(--mid);
  border: 1px solid var(--line-soft);
  box-shadow: 8px 8px 0 rgba(3, 10, 16, 0.45);
}

.page-contact .hours-bar {
  position: relative;
  height: 46px;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(6, 24, 38, 0.55) 0 1px, transparent 1px 22px),
    linear-gradient(90deg, var(--steel) 0%, var(--cyan) 62%, var(--orange) 100%);
}

.page-contact .hours-tick {
  position: absolute;
  top: -1px;
  bottom: -1px;
  width: 2px;
  background: var(--paper);
  opacity: 0.7;
  transform: translateX(-1px);
}

.page-contact .hours-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.page-contact .hours-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .hours-list li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .hours-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .hours-val {
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-dim);
}

.page-contact .c-figure--hours {
  margin: 0;
}

/* 03 双端分流 */
.page-contact .split-switch {
  position: relative;
}

.page-contact .split-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .split-tabs {
  display: flex;
  width: 100%;
  border: 1px solid var(--line-strong);
  margin-bottom: 18px;
}

.page-contact .split-tabs label {
  flex: 1 1 50%;
  padding: 12px 14px;
  text-align: center;
  font-size: 14px;
  color: var(--fg-dim);
  cursor: pointer;
  border-right: 1px solid var(--line-strong);
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-contact .split-tabs label:last-child {
  border-right: 0;
}

.page-contact .split-tabs label:hover {
  color: var(--mist);
}

.page-contact #dev-phone:checked ~ .split-tabs label[for="dev-phone"],
.page-contact #dev-pc:checked ~ .split-tabs label[for="dev-pc"] {
  background: var(--cyan);
  color: var(--deep);
  font-weight: 700;
}

.page-contact #dev-phone:focus-visible ~ .split-tabs label[for="dev-phone"],
.page-contact #dev-pc:focus-visible ~ .split-tabs label[for="dev-pc"] {
  outline: 2px solid var(--amber);
  outline-offset: -4px;
}

.page-contact .split-panel {
  display: none;
}

.page-contact #dev-phone:checked ~ .split-panels .split-panel--phone,
.page-contact #dev-pc:checked ~ .split-panels .split-panel--pc {
  display: block;
}

.page-contact .sheet {
  padding: clamp(18px, 3vw, 30px);
}

.page-contact .panel-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 3vw, 24px);
}

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

.page-contact .panel-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.75;
}

.page-contact .li-num {
  font-family: var(--font-mono);
  font-size: 12px;
  padding-top: 3px;
  color: var(--orange);
  letter-spacing: 0.05em;
}

.page-contact .panel-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(6, 24, 38, 0.16);
  font-size: 13px;
  line-height: 1.8;
}

.page-contact .panel-link {
  margin: 12px 0 0;
  font-size: 13px;
}

.page-contact .panel-link a {
  color: var(--steel);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 04 邮件信息 */
.page-contact .mail-grid {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .mail-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
  display: grid;
  gap: 6px;
}

.page-contact .mail-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.06em;
  color: rgba(69, 224, 218, 0.55);
}

.page-contact .mail-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .mail-item p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-dim);
}

/* 05 自助入口 */
.page-contact .quick-grid {
  display: grid;
  gap: 12px;
}

.page-contact .quick-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  text-decoration: none;
  color: inherit;
  background: linear-gradient(170deg, var(--mid), rgba(6, 24, 38, 0.9));
  border: 1px solid var(--line-soft);
  border-bottom: 2px solid var(--steel);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .quick-card:hover,
.page-contact .quick-card:focus-visible {
  border-bottom-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .quick-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .quick-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--paper);
}

.page-contact .quick-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-contact .quick-go {
  margin-top: 4px;
  font-size: 13px;
  color: var(--orange);
}

/* 尾部 */
.page-contact .contact-tail {
  margin-top: clamp(36px, 6vw, 72px);
  padding: clamp(18px, 3vw, 28px);
  background: var(--mid);
  border: 1px solid rgba(255, 200, 87, 0.45);
  display: grid;
  gap: 14px;
  justify-items: start;
}

.page-contact .contact-tail p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-dim);
  max-width: 60ch;
}

@media (min-width: 640px) {
  .page-contact .mail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--c-gap);
  }

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

@media (min-width: 960px) {
  .page-contact .entry-grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: start;
  }

  .page-contact .hours-grid {
    grid-template-columns: 1fr 0.82fr;
    align-items: start;
  }

  .page-contact .mail-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .quick-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .split-tabs {
    width: fit-content;
  }

  .page-contact .split-tabs label {
    flex: 0 0 auto;
    padding: 12px 28px;
  }

  .page-contact .contact-tail {
    grid-template-columns: 1fr auto;
    align-items: center;
    justify-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .quick-card,
  .page-contact .split-tabs label {
    transition: none;
  }

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