.page-contact {
  --pc-panel: linear-gradient(158deg, rgba(17, 26, 46, .86), rgba(11, 18, 32, .66));
  padding: clamp(22px, 4vw, 42px) 0 clamp(56px, 8vw, 96px);
  color: var(--c-mist);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
  padding-bottom: clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .hero-copy .eyebrow {
  color: var(--c-cyan);
}

.page-contact .hero-copy h1 {
  margin: 12px 0 18px;
  font-family: var(--font-head);
  font-size: var(--fs-h1);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-mist);
}

.page-contact .lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--c-steel);
}

.page-contact .dial-list {
  margin-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--line);
}

.page-contact .dial {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(14px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--line);
  transition: background .3s var(--ease);
}

.page-contact .dial:hover {
  background: linear-gradient(90deg, rgba(34, 211, 238, .09), rgba(34, 211, 238, 0) 72%);
}

.page-contact .dial-label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .2em;
  color: var(--c-steel);
}

.page-contact .dial-value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.2vw, 36px);
  line-height: 1.25;
  font-weight: 600;
  color: var(--c-mist);
  overflow-wrap: anywhere;
}

.page-contact .dial-tel {
  color: var(--c-amber);
}

.page-contact .dial-time {
  font-size: clamp(15px, 2.4vw, 26px);
  color: var(--c-cyan-soft);
}

.page-contact .hero-note {
  margin: 18px 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--c-cyan);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(34, 211, 238, .07);
  font-size: var(--fs-cap);
  line-height: 1.75;
  color: var(--c-cyan-soft);
}

.page-contact .hero-side {
  display: grid;
  gap: 16px;
}

.page-contact .hero-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--c-mid);
  box-shadow: var(--shadow-lift);
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .plate {
  padding: 16px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  border-left: 2px solid var(--c-amber);
  background: var(--pc-panel);
}

.page-contact .plate-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .2em;
  color: var(--c-amber);
  margin-bottom: 6px;
}

.page-contact .plate-text {
  margin: 0;
  font-size: var(--fs-cap);
  line-height: 1.75;
  color: var(--c-steel);
}

/* ---------- 主体两栏 + 侧栏索引 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 56px);
  margin-top: clamp(40px, 6vw, 76px);
}

.page-contact .side-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .16em;
  color: var(--c-steel);
}

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

.page-contact .side-link {
  display: block;
  padding: 9px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: var(--fs-cap);
  color: var(--c-steel);
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-contact .side-link:hover,
.page-contact .side-link:focus-visible {
  color: var(--c-cyan);
  border-color: var(--line-strong);
  background: rgba(34, 211, 238, .08);
}

.page-contact .side-link.is-active {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  background: rgba(34, 211, 238, .12);
}

/* ---------- 章节 ---------- */
.page-contact .csection {
  padding-top: clamp(30px, 4.4vw, 46px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 120px;
}

.page-contact .csection + .csection {
  margin-top: clamp(30px, 4.4vw, 46px);
}

.page-contact .csection:first-child {
  padding-top: 0;
  border-top: 0;
  margin-top: 0;
}

.page-contact .cs-title {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-mist);
}

.page-contact .cs-lead {
  margin: 0 0 14px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--c-cyan-soft);
}

.page-contact .csection p {
  margin: 0 0 14px;
  line-height: 1.85;
  color: var(--c-steel);
}

.page-contact .csection p:last-child {
  margin-bottom: 0;
}

/* ---------- 三张客服小组卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .channel-card {
  padding: 22px 22px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--pc-panel);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}

.page-contact .channel-index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .18em;
  color: var(--c-cyan);
}

.page-contact .channel-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--c-mist);
}

.page-contact .channel-card p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-steel);
}

/* ---------- 电话 / 时间图 ---------- */
.page-contact .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
  margin-top: 8px;
}

.page-contact .phone-big {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.6vw, 52px);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--c-amber);
  padding-bottom: 16px;
  border-bottom: 2px solid rgba(245, 185, 66, .35);
}

.page-contact .ticks {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ticks li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-steel);
}

.page-contact .ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 2px;
  background: var(--c-cyan);
  border-radius: 2px;
}

.page-contact .time-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--c-mid);
  box-shadow: var(--shadow-lift);
}

.page-contact .time-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .time-figure figcaption {
  padding: 12px 18px 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .08em;
  color: var(--c-steel);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 地址与备案 ---------- */
.page-contact .reach-plate {
  position: relative;
  margin-top: 8px;
  padding: clamp(24px, 3.4vw, 40px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, rgba(168, 85, 247, .14), rgba(168, 85, 247, 0) 55%),
    linear-gradient(30deg, rgba(34, 211, 238, .12), rgba(34, 211, 238, 0) 62%),
    var(--c-mid);
  display: grid;
  gap: 22px;
  overflow: hidden;
}

.page-contact .reach-plate::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, .16) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(circle at 30% 40%, #000 20%, transparent 76%);
  mask-image: radial-gradient(circle at 30% 40%, #000 20%, transparent 76%);
  pointer-events: none;
}

.page-contact .reach-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .reach-label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .2em;
  color: var(--c-steel);
}

.page-contact .reach-value {
  font-size: clamp(16px, 2.1vw, 22px);
  line-height: 1.5;
  font-weight: 600;
  color: var(--c-mist);
  overflow-wrap: anywhere;
}

/* ---------- 快捷入口 ---------- */
.page-contact .quick-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 22px 0 26px;
}

.page-contact .quick-link {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--pc-panel);
  text-decoration: none;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .quick-link:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}

.page-contact .quick-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .18em;
  color: var(--c-cyan);
}

.page-contact .quick-title {
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  color: var(--c-mist);
}

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

/* ---------- 折叠自查 ---------- */
.page-contact .fold-stack {
  display: grid;
  gap: 10px;
}

.page-contact .fold {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(17, 26, 46, .55);
  overflow: hidden;
  transition: border-color .3s var(--ease);
}

.page-contact .fold[open] {
  border-color: var(--line-strong);
}

.page-contact .fold-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-mist);
}

.page-contact .fold-trigger::-webkit-details-marker {
  display: none;
}

.page-contact .fold-trigger::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--c-cyan);
}

.page-contact .fold[open] .fold-trigger::after {
  content: "–";
}

.page-contact .fold-panel {
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-steel);
}

/* ---------- 非工作时间 ---------- */
.page-contact .after-card {
  margin-top: 6px;
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--r-lg);
  border: 1px solid rgba(251, 146, 60, .3);
  background:
    linear-gradient(140deg, rgba(251, 146, 60, .12), rgba(251, 146, 60, 0) 62%),
    var(--c-mid);
}

.page-contact .after-card p {
  margin: 0 0 12px;
  color: var(--c-mist);
}

.page-contact .after-card p:last-child {
  margin-bottom: 0;
  color: var(--c-steel);
}

.page-contact .legal-line {
  margin: 20px 0 0;
  font-size: var(--fs-cap);
  line-height: 1.8;
  color: var(--c-steel);
}

.page-contact .legal-line a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(34, 211, 238, .45);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .legal-line a:hover {
  color: var(--c-cyan-soft);
  border-bottom-color: var(--c-cyan-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-grid,
  .page-contact .quick-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

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

@media (min-width: 1020px) {
  .page-contact .contact-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .side-index {
    position: sticky;
    top: 108px;
  }

  .page-contact .side-list {
    flex-direction: column;
    gap: 2px;
  }

  .page-contact .side-link {
    padding: 10px 0 10px 16px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: transparent;
  }

  .page-contact .side-link:hover,
  .page-contact .side-link:focus-visible {
    border-left-color: var(--line-strong);
  }

  .page-contact .side-link.is-active {
    border-left-color: var(--c-cyan);
    border-radius: 0 var(--r-pill) var(--r-pill) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .quick-link,
  .page-contact .dial,
  .page-contact .side-link,
  .page-contact .fold {
    transition: none;
  }

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