.page-contact {
  --contact-fade: rgba(11,31,26,.94);
  --contact-glow: rgba(46,242,200,.16);
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + 3rem) 0 3rem;
  isolation: isolate;
}

.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-contact .contact-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: .26;
  filter: saturate(.8) contrast(1.05);
}

.page-contact .contact-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 12% 20%, rgba(31,111,139,.28), transparent 62%),
    linear-gradient(180deg, rgba(11,31,26,.35) 0%, var(--ink) 88%);
}

.page-contact .contact-hero .container {
  position: relative;
}

.page-contact .contact-hero-title {
  margin: .9rem 0 0;
  font-size: clamp(2.3rem, 7vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -.045em;
  font-weight: 900;
  color: var(--mist);
  max-width: 18ch;
}

.page-contact .contact-hero-lede {
  margin-top: 1.2rem;
  max-width: 56ch;
  color: var(--text-dim);
  font-size: clamp(.95rem, 2.4vw, 1.05rem);
}

.page-contact .contact-hero-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.9rem;
}

/* ---------- 主体分栏 ---------- */
.page-contact .contact-core {
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

/* ---------- 左侧渠道 ---------- */
.page-contact .contact-channels {
  padding: 1.5rem 1.25rem;
  background: linear-gradient(155deg, rgba(31,111,139,.16), rgba(17,21,19,.9) 62%);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  box-shadow: 0 16px 40px -32px rgba(0,0,0,.9);
}

.page-contact .channel-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.page-contact .channel-item {
  display: grid;
  gap: .28rem;
  padding-bottom: 1.05rem;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-contact .channel-label {
  color: var(--cyan);
  letter-spacing: .14em;
}

.page-contact .channel-value {
  display: block;
  font-size: clamp(1.02rem, 2.9vw, 1.24rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--mist);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 120ms var(--ease);
}

.page-contact .channel-value--mono {
  font-family: var(--font-mono);
  letter-spacing: -.01em;
}

.page-contact a.channel-value:hover,
.page-contact a.channel-value:focus-visible {
  color: var(--amber);
}

.page-contact .channel-hint {
  font-size: .82rem;
  line-height: 1.7;
  color: var(--text-mute);
}

.page-contact .channel-status {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin: 1.4rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-contact .channel-status-dot {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px var(--contact-glow);
  flex: none;
}

/* ---------- 右侧内容 ---------- */
.page-contact .contact-main {
  display: grid;
  gap: 2.75rem;
}

.page-contact .contact-block {
  position: relative;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.page-contact .contact-block-index {
  margin: 0;
  font-size: .8rem;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-contact .contact-block-title {
  margin: .4rem 0 .9rem;
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  line-height: 1.22;
  letter-spacing: -.03em;
  font-weight: 900;
  color: var(--mist);
}

.page-contact .contact-block .body-copy {
  max-width: 60ch;
  color: var(--text-dim);
  font-size: .96rem;
  line-height: 1.85;
}

/* 服务时间条 */
.page-contact .hours-bar {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem 1.1rem;
  background: var(--surface-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
}

.page-contact .hours-bar-track {
  position: relative;
  height: .5rem;
  border-radius: 999px;
  background: rgba(58,90,80,.4);
  overflow: hidden;
}

.page-contact .hours-bar-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--tie), var(--cyan));
  border-radius: 999px;
}

.page-contact .hours-bar-peak {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 22%;
  background: repeating-linear-gradient(115deg, rgba(245,181,68,.85) 0 4px, rgba(245,181,68,.25) 4px 9px);
}

.page-contact .hours-bar-labels {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .6rem;
  margin-top: .7rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--text-mute);
}

.page-contact .hours-bar-labels span:nth-child(2) {
  text-align: center;
  font-family: var(--font-body);
  letter-spacing: .02em;
}

.page-contact .contact-media {
  margin-top: 1.4rem;
}

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

/* 纠错步骤 */
.page-contact .correction-steps {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-contact .correction-step {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: .85rem;
  align-items: start;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-contact .correction-step-num {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  font-size: .86rem;
  color: var(--ink);
  background: var(--cyan);
  border-radius: var(--r);
}

.page-contact .correction-step p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 合作格子 */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 1.4rem;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  overflow: hidden;
}

.page-contact .coop-cell {
  padding: 1.05rem 1.1rem;
  background: var(--coal);
}

.page-contact .coop-cell-title {
  margin: 0 0 .4rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-contact .coop-cell p:last-child {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .contact-inline-link {
  margin: 1.3rem 0 0;
}

/* 到访 */
.page-contact .visit-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .6rem;
  margin-top: 1.2rem;
  padding: 1rem 1.1rem;
  border-left: 2px solid var(--amber);
  background: rgba(31,111,139,.12);
}

.page-contact .visit-note .annotation {
  flex: 1 1 100%;
  margin: 0;
  color: var(--text-mute);
  line-height: 1.7;
}

/* 场景手风琴 */
.page-contact .contact-accordion {
  margin-top: 1.3rem;
  border-top: 1px solid var(--line);
}

.page-contact .contact-accordion .accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: .95rem .1rem;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: .98rem;
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color 120ms var(--ease);
}

.page-contact .contact-accordion .accordion-trigger:hover,
.page-contact .contact-accordion .accordion-trigger:focus-visible {
  color: var(--cyan);
}

.page-contact .contact-accordion .accordion-icon {
  flex: none;
  width: .9rem;
  height: .9rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 180ms var(--ease);
}

.page-contact .contact-accordion .accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(-135deg) translateY(-2px);
}

.page-contact .contact-accordion .accordion-panel-inner {
  padding: .9rem .1rem 1.2rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-accordion .accordion-panel-inner p {
  margin: 0 0 .8rem;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 58ch;
}

.page-contact .contact-accordion .accordion-panel-inner p:last-child {
  margin-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: calc(var(--header-h) + 5rem) 0 4.5rem;
  }

  .page-contact .contact-layout {
    grid-template-columns: 5fr 7fr;
    gap: 3.5rem;
    align-items: start;
  }

  .page-contact .contact-channels {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    padding: 1.75rem 1.5rem;
  }

  .page-contact .contact-main {
    gap: 3.25rem;
  }

  .page-contact .contact-block {
    padding-top: 1.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-accordion .accordion-icon,
  .page-contact .channel-value {
    transition: none;
  }
}