.page-contact {
  --contact-tint: rgba(47, 107, 255, .28);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(1.5rem, 5vw, 3rem) 0 clamp(2rem, 6vw, 4rem);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -14% -8% auto -8%;
  height: 84%;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(118deg, rgba(47, 107, 255, .30), rgba(139, 92, 246, .18) 46%, rgba(245, 165, 36, .12) 92%);
  clip-path: polygon(0 0, 100% 0, 100% 56%, 0 100%);
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

.page-contact .contact-hero h1 {
  margin: .55rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 6.4vw, 4rem);
  line-height: 1.07;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-contact .contact-hero .lede {
  max-width: 58ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

.page-contact .contact-hero__figure {
  margin: 0;
  border-radius: var(--radius-l);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-hero__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .contact-rail .print-label {
  margin: 0 0 .85rem;
}

.page-contact .rail-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .95rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .rail-list a {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .3rem 0;
  color: var(--muted);
  font-size: .92rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .rail-list a:hover,
.page-contact .rail-list a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

.page-contact .rail-num {
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-contact .contact-body {
  min-width: 0;
}

.page-contact .contact-block {
  padding-bottom: clamp(1.5rem, 4vw, 2.25rem);
  border-bottom: 1px solid var(--line-hair);
}

.page-contact .contact-block + .contact-block {
  margin-top: clamp(2.25rem, 6vw, 3.75rem);
}

.page-contact .chapter-index {
  display: block;
  margin-bottom: .75rem;
  font-family: var(--font-data);
  font-size: clamp(.95rem, 2.2vw, 1.2rem);
  letter-spacing: .24em;
  color: var(--amber);
}

.page-contact .section-head {
  margin-bottom: clamp(1.1rem, 3vw, 1.75rem);
}

.page-contact .section-title {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4vw, 2.4rem);
  line-height: 1.15;
  color: var(--text);
}

.page-contact .section-head .lede {
  max-width: 62ch;
  margin: 0;
}

/* 联系通道 */
.page-contact .channel-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .channel-card {
  position: relative;
  display: grid;
  justify-items: start;
  gap: .55rem;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border-left: 2px solid var(--blue);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  border-left-color: var(--amber);
  box-shadow: var(--shadow-glow);
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-data);
  font-weight: 600;
  font-size: clamp(1.12rem, 4.2vw, 1.9rem);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .channel-value--phone {
  color: var(--amber);
  letter-spacing: .02em;
}

.page-contact .channel-value--addr {
  font-size: clamp(.98rem, 2.7vw, 1.35rem);
  color: var(--muted);
  line-height: 1.6;
}

.page-contact .channel-note {
  margin: .15rem 0 0;
  max-width: 54ch;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .copy-btn {
  padding: .42rem .95rem;
  font-family: var(--font-data);
  font-size: .76rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(47, 107, 255, .14);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(34, 211, 238, .12);
}

.page-contact .copy-btn[data-copied="true"] {
  color: var(--amber);
  border-color: var(--amber);
  background: rgba(245, 165, 36, .14);
}

/* 服务时间 */
.page-contact .hours-panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1.1rem, 3vw, 1.7rem);
  margin-bottom: 1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background:
    linear-gradient(142deg, rgba(47, 107, 255, .17), rgba(11, 16, 32, .92) 64%);
}

.page-contact .hours-main .data-value {
  margin: 0 0 .35rem;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(1.45rem, 4.6vw, 2.35rem);
  letter-spacing: -.01em;
}

.page-contact .hours-sub {
  margin: 0;
  font-size: .94rem;
  color: var(--muted);
}

.page-contact .hours-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-contact .accordion {
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.page-contact .accordion summary::-webkit-details-marker {
  display: none;
}

.page-contact .accordion summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-data);
  font-size: 1.15rem;
  color: var(--amber);
  transition: transform .28s var(--ease);
}

.page-contact .accordion[open] summary::after {
  transform: rotate(45deg);
}

.page-contact .accordion .accordion-body {
  padding: 0 1.15rem 1.1rem;
}

.page-contact .accordion .accordion-body p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--muted);
}

/* 商务合作 */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .coop-card {
  display: grid;
  align-content: start;
  gap: .5rem;
  padding: clamp(1rem, 2.6vw, 1.35rem);
  border-top: 2px solid rgba(139, 92, 246, .55);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .coop-card:hover {
  transform: translateY(-3px);
  border-top-color: var(--cyan);
  box-shadow: var(--shadow-glow);
}

.page-contact .coop-num {
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-contact .coop-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .coop-text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .coop-foot {
  margin: 1.25rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--amber);
  font-size: .93rem;
  line-height: 1.75;
  color: var(--text);
}

/* 留言指引 */
.page-contact .message-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .25rem;
}

.page-contact .message-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--line-hair);
}

.page-contact .message-list li:first-child {
  padding-top: 0;
}

.page-contact .msg-num {
  font-family: var(--font-data);
  font-size: 1rem;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-contact .msg-body h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .msg-body p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .msg-foot {
  margin: 1.4rem 0 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .msg-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .4);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .msg-foot a:hover,
.page-contact .msg-foot a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--amber);
}

/* 备案信息 */
.page-contact .record-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact .record-card {
  display: grid;
  align-content: center;
  gap: .45rem;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border-left: 2px solid var(--amber);
}

.page-contact .record-card .rule {
  margin: .85rem 0;
}

.page-contact .record-value {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(1.1rem, 3.2vw, 1.55rem);
  letter-spacing: .02em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .record-value--mono {
  color: var(--amber);
  letter-spacing: .05em;
}

.page-contact .record-figure {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--line-hair);
  overflow: hidden;
}

.page-contact .record-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(160px, 200px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 104px;
  }

  .page-contact .rail-list {
    flex-direction: column;
    gap: .1rem;
  }

  .page-contact .rail-list a {
    width: 100%;
    padding: .45rem 0;
  }

  .page-contact .hours-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .record-split {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: stretch;
  }
}

@media (min-width: 1180px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .coop-card,
  .page-contact .copy-btn,
  .page-contact .accordion summary::after {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .coop-card:hover {
    transform: none;
  }
}