.page-contact {
  --pc-gap: clamp(16px, 2.4vw, 28px);
  --pc-pad: clamp(18px, 2.8vw, 30px);
  display: block;
  color: var(--c-ink);
  font-family: var(--font-body);
  background: var(--c-bg);
}

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

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(30px, 5vw, 60px);
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(110% 90% at 92% -12%, rgba(56, 225, 198, .14), transparent 58%),
    radial-gradient(85% 85% at -5% 108%, rgba(122, 46, 74, .30), transparent 62%),
    var(--c-bg);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -55%;
  right: -14%;
  width: min(560px, 62vw);
  height: 210%;
  background: linear-gradient(180deg, rgba(255, 138, 61, .16), rgba(255, 138, 61, 0) 72%);
  transform: rotate(11deg);
  pointer-events: none;
}

.page-contact .breadcrumbs {
  margin-bottom: clamp(16px, 3vw, 30px);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 46px);
}

@media (min-width: 920px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, .85fr);
    align-items: end;
  }
}

.page-contact .eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.page-contact .eyebrow-mark {
  font-family: var(--font-mono);
  color: var(--c-orange);
  letter-spacing: .04em;
}

.page-contact .hero-copy h1 {
  margin: 0 0 16px;
  font-size: clamp(29px, 6.2vw, 54px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -.025em;
}

.page-contact .lead {
  max-width: 62ch;
  margin: 0 0 22px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .hero-readout {
  padding: var(--pc-pad);
  border-radius: var(--radius-l);
  border: 1px solid var(--c-line-strong);
}

.page-contact .readout-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--c-muted);
}

.page-contact .readout-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .readout-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--c-line);
}

.page-contact .readout-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .readout-key {
  font-size: 14px;
  color: var(--c-muted);
}

.page-contact .readout-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-cyan);
  white-space: nowrap;
}

.page-contact .readout-foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ============ 工作时间条 ============ */
.page-contact .contact-hours {
  background: var(--c-rail);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-hours-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 13px 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-contact .hours-text {
  flex: 1 1 320px;
  margin: 0;
}

.page-contact .hours-text strong {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-ink);
}

.page-contact .hours-pulse {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-green);
  animation: pc-pulse 1.2s ease-out 1;
}

@keyframes pc-pulse {
  0% { box-shadow: 0 0 0 0 rgba(47, 191, 113, .55); }
  100% { box-shadow: 0 0 0 14px rgba(47, 191, 113, 0); }
}

.page-contact .hours-link {
  margin-left: auto;
  padding-bottom: 1px;
  font-size: 13px;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 198, .4);
  white-space: nowrap;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .hours-link:hover {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

/* ============ 主体骨架 ============ */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  padding-top: clamp(30px, 4.5vw, 58px);
  padding-bottom: clamp(30px, 5vw, 72px);
}

@media (min-width: 1080px) {
  .page-contact .contact-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: clamp(32px, 3.5vw, 56px);
  }
}

.page-contact .contact-rail {
  display: grid;
  align-content: start;
  gap: 12px;
  order: -1;
}

.page-contact .rail-head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-muted);
}

.page-contact .rail-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .rail-nav li { flex: none; }

.page-contact .rail-nav-link {
  display: block;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--c-line);
  font-size: 13px;
  color: var(--c-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-contact .rail-nav-link:hover {
  color: var(--c-ink);
  border-color: var(--c-green);
  background: rgba(47, 191, 113, .12);
}

.page-contact .rail-meta {
  display: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--c-muted);
  overflow-wrap: anywhere;
}

@media (min-width: 1080px) {
  .page-contact .contact-rail {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .rail-nav {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-contact .rail-nav-link {
    border: 0;
    border-left: 2px solid var(--c-line);
    border-radius: 0;
    padding: 8px 0 8px 14px;
    background: none;
  }

  .page-contact .rail-nav-link:hover {
    border-left-color: var(--c-green);
    background: rgba(47, 191, 113, .08);
  }

  .page-contact .rail-meta { display: block; }
}

.page-contact .contact-flow {
  display: grid;
  min-width: 0;
  gap: clamp(34px, 5vw, 64px);
}

.page-contact .contact-flow > .section {
  padding-top: 0;
  padding-bottom: 0;
}

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

.page-contact .section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(23px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.02em;
}

.page-contact .section-head h3 {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 800;
  letter-spacing: -.015em;
}

.page-contact .section-head .lead { margin-bottom: 0; }

/* ============ 联系入口 ============ */
.page-contact .desk-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 760px) {
  .page-contact .desk-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .desk-card--mail { grid-column: 1 / -1; }
}

@media (min-width: 1080px) {
  .page-contact .desk-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-contact .desk-card--mail { grid-column: auto; }
}

.page-contact .desk-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--pc-pad);
  border-radius: var(--radius-l);
  border: 1px solid var(--c-line);
  background: linear-gradient(180deg, rgba(16, 29, 51, .95), rgba(11, 20, 36, .95));
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-contact .desk-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--c-muted);
}

.page-contact .desk-card--mail::after {
  background: linear-gradient(90deg, var(--c-orange), rgba(255, 138, 61, 0));
}

.page-contact .desk-card--phone::after {
  background: linear-gradient(90deg, var(--c-green), rgba(47, 191, 113, 0));
}

.page-contact .desk-card--addr::after {
  background: linear-gradient(90deg, var(--c-indigo), rgba(75, 63, 158, 0));
}

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

.page-contact .desk-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  border-radius: 12px;
  border: 1px solid var(--c-line);
  background: rgba(232, 238, 247, .05);
  color: var(--c-ink);
}

.page-contact .desk-card--mail .desk-icon { color: var(--c-orange); }
.page-contact .desk-card--phone .desk-icon { color: var(--c-green); }
.page-contact .desk-card--addr .desk-icon { color: var(--c-cyan); }

.page-contact .desk-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-muted);
}

.page-contact .desk-value {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-contact .desk-value--plain {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.8vw, 20px);
  letter-spacing: .01em;
}

.page-contact .desk-desc {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .desk-card .copy-btn {
  align-self: flex-start;
  margin-top: auto;
}

.page-contact .desk-visual {
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  border-radius: var(--radius-l);
}

/* ============ 优先通道 + 响应节奏 ============ */
.page-contact .priority-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 920px) {
  .page-contact .priority-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  }
}

.page-contact .priority-card {
  padding: var(--pc-pad);
  border-radius: var(--radius-l);
  border: 1px solid rgba(255, 138, 61, .32);
  background:
    linear-gradient(150deg, rgba(255, 138, 61, .16), rgba(11, 20, 36, .96) 56%),
    var(--c-bg);
  transition: border-color 220ms var(--ease);
}

.page-contact .priority-card:hover {
  border-color: rgba(255, 138, 61, .66);
}

.page-contact .priority-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--c-orange);
  color: #1a0d03;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
}

.page-contact .priority-text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-ink);
}

.page-contact .priority-code {
  margin: 14px 0 0;
  padding: 13px 15px;
  border-radius: var(--radius);
  border: 1px dashed rgba(255, 138, 61, .45);
  background: rgba(5, 10, 18, .68);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-contact .priority-tip {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .priority-tip a,
.page-contact .prep-note a,
.page-contact .tianjin-copy a,
.page-contact .scope-item p a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .rhythm-card {
  padding: var(--pc-pad);
  border-radius: var(--radius-l);
  border: 1px solid var(--c-line);
  background: var(--c-rail);
}

.page-contact .rhythm-card .eyebrow { margin-bottom: 6px; }

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

.page-contact .rhythm-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .rhythm-list li:first-child { padding-top: 0; }
.page-contact .rhythm-list li:last-child { padding-bottom: 0; border-bottom: 0; }

.page-contact .rhythm-num {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--c-cyan);
  white-space: nowrap;
}

.page-contact .rhythm-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ============ 咨询范围折叠 ============ */
.page-contact .scope-list {
  display: grid;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .scope-item {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: rgba(16, 29, 51, .62);
  overflow: hidden;
  transition: border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-contact .scope-item:hover { border-color: var(--c-line-strong); }

.page-contact .scope-item[open] {
  border-color: rgba(47, 191, 113, .42);
  background: rgba(16, 29, 51, .9);
}

.page-contact .scope-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
}

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

.page-contact .scope-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-muted);
  transition: color 220ms var(--ease);
}

.page-contact .scope-item[open] summary::after {
  content: "−";
  color: var(--c-green);
}

.page-contact .scope-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--c-cyan);
}

.page-contact .scope-title { min-width: 0; }

.page-contact .scope-item p {
  margin: 0;
  padding: 0 18px 18px 52px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

@media (max-width: 480px) {
  .page-contact .scope-item p { padding-left: 18px; }
}

/* ============ 材料准备 ============ */
.page-contact .prep-list {
  list-style: none;
  counter-reset: pc-prep;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .prep-list li {
  counter-increment: pc-prep;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--c-line);
  background: rgba(16, 29, 51, .52);
  transition: border-color 220ms var(--ease);
}

.page-contact .prep-list li:hover {
  border-color: rgba(56, 225, 198, .35);
}

.page-contact .prep-list li::before {
  content: counter(pc-prep, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-orange);
}

.page-contact .prep-text {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .prep-text strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  color: var(--c-ink);
}

.page-contact .prep-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ============ 天津语境 ============ */
.page-contact .tianjin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 920px) {
  .page-contact .tianjin-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(24px, 3.4vw, 46px);
  }
}

.page-contact .tianjin-visual {
  margin: 0;
  border-radius: var(--radius-l);
  border: 1px solid var(--c-line);
}

.page-contact .tianjin-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

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

@media (min-width: 920px) {
  .page-contact .tianjin-copy {
    padding-left: clamp(18px, 2.4vw, 30px);
    border-left: 2px solid rgba(56, 225, 198, .3);
  }
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-contact .hours-pulse { animation: none; }
  .page-contact .desk-card,
  .page-contact .scope-item,
  .page-contact .prep-list li { transition: none; }
  .page-contact .desk-card:hover { transform: none; }
}