.page-contact {
  --contact-gap: clamp(20px, 4vw, 40px);
}

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

.page-contact .breadcrumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}

/* ---------- 首屏脉搏条 ---------- */
.page-contact .contact-hero {
  padding: clamp(10px, 2vw, 20px) 0 clamp(48px, 6vw, 88px);
}

.page-contact .pulse-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding: 12px 16px;
  margin-bottom: clamp(26px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background:
    linear-gradient(90deg, rgba(53, 242, 224, .09), rgba(255, 122, 26, .06) 70%, transparent);
}

.page-contact .pulse-item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .pulse-item .num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0;
  color: var(--paper);
}

.page-contact .pulse-item--live {
  color: var(--cyan);
}

.page-contact .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 242, 224, .16);
  animation: contact-pulse 800ms ease-in-out infinite alternate;
}

@keyframes contact-pulse {
  from { opacity: .45; }
  to { opacity: 1; }
}

/* ---------- 首屏主体 ---------- */
.page-contact .hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-contact .hero-copy h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 8.2vw, 88px);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .hero-lead {
  max-width: 52ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(244, 247, 250, .78);
}

.page-contact .channel-cards {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .channel-card {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid var(--edge);
  border-radius: var(--r-md);
  background: var(--ink-700);
  overflow: hidden;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cyan);
}

.page-contact .channel-card--warm {
  border-color: rgba(255, 122, 26, .34);
  background: linear-gradient(158deg, rgba(255, 122, 26, .16), var(--ink-700) 62%);
}

.page-contact .channel-card--warm::before {
  background: var(--orange);
}

.page-contact .channel-key {
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact .channel-card--warm .channel-key {
  color: var(--orange);
}

.page-contact .channel-val {
  margin: 10px 0 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(14px, 2.4vw, 19px);
  line-height: 1.35;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 首屏右侧 ---------- */
.page-contact .hero-side {
  position: relative;
}

.page-contact .hero-figure {
  margin: 0;
}

.page-contact .hero-figure img {
  width: 100%;
  border-radius: var(--r-lg);
  object-fit: cover;
}

.page-contact .hero-figure .media-caption {
  margin-top: 10px;
}

.page-contact .hours-panel {
  position: relative;
  z-index: 2;
  max-width: 360px;
  margin: -36px 6px 0 auto;
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-800);
  box-shadow: 0 20px 46px rgba(4, 10, 18, .55);
}

.page-contact .hours-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .hours-state {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-contact .hours-bar {
  height: 8px;
  margin-top: 14px;
  border-radius: 99px;
  background: var(--teal);
  overflow: hidden;
}

.page-contact .hours-bar-fill {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-contact .hours-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
}

.page-contact .hours-foot {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.62;
  color: var(--mist);
}

/* ---------- 章节通用 ---------- */
.page-contact .sec-band {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}

.page-contact .route-section .section-title,
.page-contact .coop-section .section-title,
.page-contact .response-section .section-title {
  color: var(--paper);
}

.page-contact .section-lead {
  max-width: 60ch;
  color: var(--mist);
}

/* ---------- 问题分流 ---------- */
.page-contact .route-list {
  list-style: none;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--edge);
}

.page-contact .route-row {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--edge);
}

.page-contact .route-q {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .route-how {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .route-go {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 224, .42);
  padding-bottom: 2px;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-contact .route-go:hover,
.page-contact .route-go:focus-visible {
  color: var(--orange);
  border-color: rgba(255, 122, 26, .6);
}

/* ---------- 合作 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-contact .coop-card {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--edge);
  border-radius: var(--r-md);
  background: rgba(27, 36, 48, .72);
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-contact .coop-card:hover {
  border-color: rgba(53, 242, 224, .34);
  transform: translateY(-2px);
}

.page-contact .coop-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .coop-title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 25px);
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .coop-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .coop-tag {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: rgba(53, 242, 224, .82);
}

.page-contact .coop-contact {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(255, 122, 26, .08);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 247, 250, .86);
}

.page-contact .coop-contact .num {
  font-family: var(--font-mono);
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 地址与备案 ---------- */
.page-contact .address-band {
  position: relative;
  padding: clamp(44px, 6vw, 76px) 0;
  background:
    radial-gradient(120% 90% at 88% 10%, rgba(255, 122, 26, .14), transparent 58%),
    var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .address-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .address-title {
  margin: 10px 0 20px;
  font-size: clamp(28px, 4vw, 46px);
  color: var(--paper);
}

.page-contact .address-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .address-line {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(244, 247, 250, .12);
}

.page-contact .address-key {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .address-val {
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .address-val.num {
  font-family: var(--font-mono);
}

.page-contact .address-note {
  margin: 18px 0 0;
  max-width: 55ch;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .address-figure {
  margin: 0;
  align-self: center;
}

.page-contact .address-figure img {
  width: 100%;
  border-radius: var(--r-lg);
  object-fit: cover;
  filter: saturate(.9);
}

/* ---------- 留言与响应 ---------- */
.page-contact .response-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-contact .step-card {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--edge);
  border-top: 2px solid rgba(53, 242, 224, .5);
  border-radius: var(--r-sm);
  background: rgba(12, 26, 43, .8);
}

.page-contact .step-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: rgba(53, 242, 224, .45);
}

.page-contact .step-title {
  margin: 12px 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .step-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .response-foot {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 3.4vw, 40px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--edge);
}

.page-contact .response-tip {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 247, 250, .78);
}

.page-contact .response-foot .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

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

@media (min-width: 820px) {
  .page-contact .route-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr) auto;
    gap: 24px;
    align-items: start;
  }

  .page-contact .route-go {
    justify-self: end;
    margin-top: 2px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: start;
  }

  .page-contact .hours-panel {
    margin-right: -8px;
    transform: rotate(-1.6deg);
  }

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

  .page-contact .address-line {
    grid-template-columns: 88px minmax(0, 1fr);
  }

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

@media (min-width: 1080px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .coop-card:nth-child(even) {
    transform: translateY(18px);
  }

  .page-contact .coop-card:nth-child(even):hover {
    transform: translateY(14px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pulse-dot {
    animation: none;
    opacity: 1;
  }

  .page-contact .coop-card,
  .page-contact .coop-card:hover,
  .page-contact .coop-card:nth-child(even),
  .page-contact .coop-card:nth-child(even):hover {
    transform: none;
    transition: none;
  }
}