.page-contact {
  --pc-line-soft: rgba(27, 39, 64, 0.55);
  --pc-glow-cyan: rgba(34, 224, 210, 0.18);
  --pc-glow-orange: rgba(255, 122, 41, 0.16);
  display: block;
  background-image:
    linear-gradient(to right, rgba(27, 39, 64, 0.28) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 39, 64, 0.28) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(84px, 11vw, 156px) 0 clamp(52px, 7vw, 92px);
  border-bottom: 1px solid var(--line);
}

.page-contact .hero-slice {
  position: absolute;
  right: -14%;
  bottom: 6%;
  width: min(72vw, 640px);
  height: clamp(160px, 24vw, 300px);
  background: linear-gradient(118deg, rgba(124, 92, 255, 0.34), rgba(34, 224, 210, 0.14) 52%, rgba(255, 122, 41, 0.34));
  clip-path: polygon(14% 0, 100% 0, 86% 100%, 0 100%);
  filter: blur(3px);
  opacity: 0.85;
  pointer-events: none;
  z-index: 0;
}

.page-contact .hero-arc {
  position: absolute;
  top: clamp(78px, 9vw, 128px);
  right: clamp(12px, 5vw, 72px);
  width: min(38vw, 320px);
  opacity: 0.7;
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .hero-inner {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumbs {
  margin-bottom: clamp(22px, 3vw, 34px);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

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

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .breadcrumbs li[aria-current="page"] {
  color: var(--cyan);
}

.page-contact .eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .hero-title {
  margin: 0;
  max-width: 16em;
  font-family: var(--font-display);
  font-size: clamp(38px, 7.4vw, 78px);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: 0.05em;
  color: var(--text);
}

.page-contact .hero-lead {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 44em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact .hero-quick {
  display: grid;
  gap: 0;
  margin: clamp(34px, 5vw, 54px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .hero-quick li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .quick-key {
  min-width: 88px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-muted);
}

.page-contact .quick-val {
  font-size: 15px;
  color: var(--text);
  letter-spacing: 0.02em;
}

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

/* ---------- 章节骨架 ---------- */
.page-contact .section-head {
  max-width: 46em;
  margin-bottom: clamp(34px, 5vw, 58px);
}

.page-contact .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 300;
  line-height: 1.14;
  letter-spacing: 0.05em;
  color: var(--text);
}

.page-contact .section-lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 通道索引条 ---------- */
.page-contact .chan-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .chan {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 30px 0 30px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.3s var(--ease), padding-left 0.3s var(--ease);
}

.page-contact .chan::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background-color 0.3s var(--ease);
}

.page-contact .chan:hover {
  background: linear-gradient(90deg, rgba(34, 224, 210, 0.06), transparent 62%);
  padding-left: 18px;
}

.page-contact .chan:hover::before {
  background: var(--cyan);
}

.page-contact .chan:nth-child(2):hover {
  background: linear-gradient(90deg, rgba(255, 122, 41, 0.07), transparent 62%);
}

.page-contact .chan:nth-child(2):hover::before {
  background: var(--orange);
}

.page-contact .chan:nth-child(3):hover {
  background: linear-gradient(90deg, rgba(124, 92, 255, 0.09), transparent 62%);
}

.page-contact .chan:nth-child(3):hover::before {
  background: var(--violet);
}

.page-contact .chan-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-contact .chan-name {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-contact .chan-addr {
  margin: 0 0 10px;
  font-size: 15px;
  letter-spacing: 0.03em;
  color: var(--orange);
}

.page-contact .chan-addr.data-num {
  font-family: var(--font-mono);
}

.page-contact .chan-fit {
  margin: 0;
  max-width: 52em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-contact .chan-links {
  margin: 14px 0 0;
}

/* ---------- 天津本地服务 ---------- */
.page-contact .loc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-contact .loc-text {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-contact .addr-block {
  display: block;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 16px 0 16px 20px;
  border-left: 3px solid var(--orange);
  background: linear-gradient(90deg, rgba(255, 122, 41, 0.07), transparent 70%);
  font-style: normal;
}

.page-contact .addr-label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-muted);
}

.page-contact .addr-line {
  display: block;
  font-size: clamp(15px, 1.7vw, 18px);
  letter-spacing: 0.02em;
  color: var(--text);
  line-height: 1.6;
}

.page-contact .addr-line.data-num {
  font-family: var(--font-mono);
}

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

.page-contact .loc-figure img,
.page-contact .fb-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 响应时段 ---------- */
.page-contact .hours-rail {
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-contact .hour-item {
  position: relative;
  padding: 0 0 34px 0;
}

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

.page-contact .hour-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--cyan);
}

.page-contact .hour-item:first-child::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 224, 210, 0.16);
}

.page-contact .hour-item:nth-child(2)::before {
  border-color: var(--orange);
}

.page-contact .hour-item:nth-child(3)::before {
  border-color: var(--violet);
}

.page-contact .hour-tag {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

.page-contact .hour-name {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-contact .hour-text {
  margin: 0;
  max-width: 54em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-muted);
}

/* ---------- 数据反馈 ---------- */
.page-contact .fb-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-contact .fb-lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-contact .fb-list {
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
  border-top: 1px solid var(--line);
}

.page-contact .fb-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .fb-idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .fb-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .fb-note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--violet);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}

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

.page-contact .fb-figure img {
  aspect-ratio: 3 / 2;
}

/* ---------- 合作 ---------- */
.page-contact .partner-grid {
  align-items: stretch;
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 30px);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .partner-card:hover {
  border-color: rgba(34, 224, 210, 0.45);
  transform: translateY(-3px);
}

.page-contact .partner-name {
  margin: 0;
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-contact .partner-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact .partner-text:last-child {
  margin-top: auto;
  padding-top: 8px;
}

/* ---------- 常见场景 ---------- */
.page-contact .scenes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4.5vw, 52px);
  align-items: start;
}

.page-contact .scenes-lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-contact .scenes-link {
  margin: 26px 0 0;
}

.page-contact .scene-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .scene-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.3s var(--ease);
}

.page-contact .scene-item:hover {
  background: linear-gradient(90deg, rgba(34, 224, 210, 0.05), transparent 68%);
}

.page-contact .scene-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-contact .scene-name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
}

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

/* ---------- 站点信息 ---------- */
.page-contact .site-facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .fact-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .fact-key {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-muted);
}

.page-contact .fact-val {
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--text);
}

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

.page-contact .closing-line {
  max-width: 52em;
  margin: clamp(34px, 5vw, 52px) 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-contact .closing-line .data-num {
  font-family: var(--font-mono);
  color: var(--cyan);
  word-break: break-all;
}

/* ---------- 中等屏 ---------- */
@media (min-width: 720px) {
  .page-contact .hero-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .hero-quick li {
    border-bottom: none;
    border-top: 1px solid var(--line);
    padding: 18px 0 0;
    margin-top: -1px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-contact .hero-quick li + li {
    padding-left: 22px;
    border-left: 1px solid var(--line);
  }

  .page-contact .fact-row {
    grid-template-columns: 200px 1fr;
    align-items: baseline;
    gap: 20px;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 960px) {
  .page-contact .chan {
    grid-template-columns: 76px minmax(180px, 220px) minmax(0, 1fr);
    column-gap: 32px;
    align-items: start;
    padding: 34px 0;
  }

  .page-contact .chan-idx {
    padding-top: 6px;
  }

  .page-contact .chan:hover {
    padding-left: 22px;
  }

  .page-contact .loc-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-contact .fb-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-contact .scenes-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-contact .scenes-copy {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }
}

@media (min-width: 1200px) {
  .page-contact .hero-quick li + li {
    padding-left: 28px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .chan,
  .page-contact .partner-card,
  .page-contact .scene-item {
    transition: none;
  }

  .page-contact .partner-card:hover {
    transform: none;
  }
}