.page-contact {
  --pc-radius: 4px;
  --pc-gap: clamp(20px, 3.6vw, 44px);
  padding-bottom: clamp(56px, 9vw, 110px);
}

.page-contact a {
  color: var(--turf);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 165, 0.42);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact a:hover,
.page-contact a:focus-visible {
  color: var(--field);
  border-bottom-color: var(--field);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  padding: clamp(24px, 4.6vw, 56px) 0 clamp(22px, 3.4vw, 42px);
}

.page-contact .contact-intro .label {
  color: var(--field);
}

.page-contact .contact-intro h1 {
  margin: 14px 0 0;
  max-width: 15em;
  font-size: clamp(30px, 5.6vw, 58px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--label);
}

.page-contact .contact-intro__lede {
  margin: clamp(14px, 2.2vw, 24px) 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 联络板 ---------- */
.page-contact .board {
  padding-top: clamp(6px, 1.6vw, 16px);
}

.page-contact .board__inner {
  position: relative;
  display: grid;
  gap: clamp(18px, 2.8vw, 30px);
  padding: clamp(22px, 3.4vw, 42px);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(53, 194, 214, 0.12), transparent 62%),
    var(--stand);
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  overflow: hidden;
}

.page-contact .board__inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(340px, 48%);
  height: 5px;
  background: linear-gradient(90deg, var(--field), var(--turf));
  clip-path: polygon(0 0, 100% 0, calc(100% - 22px) 100%, 0 100%);
}

.page-contact .board__col {
  min-width: 0;
}

.page-contact .board__label {
  margin: 0 0 14px;
  color: var(--muted);
}

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

.page-contact .channel {
  display: grid;
  gap: 10px;
  padding: clamp(16px, 2.4vw, 24px);
  background: rgba(10, 21, 38, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  transition: border-color var(--ease);
}

.page-contact .channel:hover {
  border-color: rgba(79, 209, 165, 0.5);
}

.page-contact .channel__tag {
  margin: 0;
  color: var(--cyan);
}

.page-contact .channel__value {
  display: block;
  font-size: clamp(16px, 3.6vw, 27px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--label);
  overflow-wrap: anywhere;
}

.page-contact .channel__desc {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .copy-btn {
  justify-self: start;
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.14em;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--turf);
  cursor: pointer;
  transition: border-color var(--ease), background var(--ease), color var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  border-color: var(--turf);
  background: rgba(79, 209, 165, 0.12);
}

.page-contact .copy-btn[data-copy-state="copied"] {
  border-color: var(--signal);
  color: var(--signal);
  background: rgba(255, 122, 41, 0.12);
}

.page-contact .board__col--status {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: clamp(18px, 2.6vw, 28px);
  background: rgba(10, 21, 38, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
}

.page-contact .board__col--status .board__label {
  margin-bottom: 0;
}

.page-contact .status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--turf);
}

.page-contact .status-pill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--field);
  box-shadow: 0 0 0 5px rgba(23, 162, 107, 0.2);
  animation: contact-status-pulse 2.6s ease-in-out infinite;
}

@keyframes contact-status-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(23, 162, 107, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(23, 162, 107, 0.06); }
}

.page-contact .board__stat {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--label);
}

.page-contact .board__stat-num {
  margin-right: 6px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
}

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

.page-contact .board__notes li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .board__notes li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--field);
  transform: translateY(-50%) rotate(45deg);
}

.page-contact .board__link {
  justify-self: start;
  font-size: 14px;
  letter-spacing: 0.02em;
  align-self: start;
}

/* ---------- 通用章节头 ---------- */
.page-contact .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 12px clamp(12px, 2vw, 20px);
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-contact .section-head__no {
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--field);
}

.page-contact .section-head__title {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--label);
}

/* ---------- 01 企业核对 ---------- */
.page-contact .corp {
  padding-top: clamp(46px, 8vw, 96px);
}

.page-contact .corp__body p {
  margin: 0 0 1em;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .corp__points {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  overflow: hidden;
}

.page-contact .corp__points li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 14px clamp(14px, 2vw, 20px);
  background: var(--night);
  font-size: 15px;
  line-height: 1.7;
  color: var(--label);
}

.page-contact .corp__points .label {
  color: var(--cyan);
}

/* ---------- 02 咨询主题 ---------- */
.page-contact .topics {
  padding-top: clamp(46px, 8vw, 96px);
}

.page-contact .topics__lede {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .topic-list {
  display: grid;
  gap: 10px;
  max-width: 940px;
}

.page-contact .topic {
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--stand);
  transition: border-color var(--ease);
}

.page-contact .topic[open] {
  border-color: var(--field);
}

.page-contact .topic__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: clamp(14px, 2vw, 20px) clamp(14px, 2.2vw, 22px);
  cursor: pointer;
  list-style: none;
  color: var(--label);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

.page-contact .topic__summary::after {
  content: "";
  justify-self: end;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--ease), border-color var(--ease);
}

.page-contact .topic[open] .topic__summary::after {
  border-color: var(--field);
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-contact .topic__no {
  font-size: 15px;
  font-weight: 700;
  color: var(--field);
  transition: color var(--ease);
}

.page-contact .topic[open] .topic__no {
  color: var(--signal);
}

.page-contact .topic__body {
  padding: 0 clamp(14px, 2.2vw, 22px) clamp(18px, 2.4vw, 24px);
}

.page-contact .topic__body::before {
  content: "";
  display: block;
  height: 1px;
  margin-bottom: 16px;
  background: var(--line);
}

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

.page-contact .topic__body li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--label);
}

.page-contact .topic__body li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: translateY(-50%) rotate(45deg);
}

.page-contact .topic__note {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--field);
  background: rgba(23, 162, 107, 0.09);
  font-size: 14px;
  line-height: 1.78;
  color: var(--turf);
}

.page-contact .topic__note a {
  color: var(--label);
  border-bottom-color: rgba(237, 243, 238, 0.4);
}

.page-contact .topic__note a:hover,
.page-contact .topic__note a:focus-visible {
  color: var(--turf);
  border-bottom-color: var(--turf);
}

/* ---------- 03 响应节奏 ---------- */
.page-contact .rhythm {
  padding-top: clamp(46px, 8vw, 96px);
}

.page-contact .rhythm__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-contact .rhythm__inner > *,
.page-contact .where__inner > * {
  min-width: 0;
}

.page-contact .rhythm__text p {
  margin: 0 0 1em;
  max-width: 36em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .rhythm__mediawrap {
  margin: 0;
}

.page-contact .rhythm__cap {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 图片框 ---------- */
.page-contact .media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--stand);
}

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

/* ---------- 04 服务范围与地址 ---------- */
.page-contact .where {
  padding-top: clamp(46px, 8vw, 96px);
}

.page-contact .where__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-contact .where__info p {
  margin: 0 0 1em;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .where__addr {
  display: grid;
  gap: 8px;
  margin-top: clamp(18px, 2.6vw, 28px);
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--stand);
  border: 1px solid var(--line);
  border-left: 3px solid var(--field);
  border-radius: var(--pc-radius);
}

.page-contact .where__addr .label {
  margin: 0;
  color: var(--cyan);
}

.page-contact .where__addr-text {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 21px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--label);
}

.page-contact .where__map {
  position: relative;
  isolation: isolate;
}

.page-contact .where__img {
  position: relative;
  z-index: 0;
}

.page-contact .city__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  border-radius: var(--pc-radius);
  background-image:
    repeating-linear-gradient(to right, rgba(53, 194, 214, 0.2) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(to bottom, rgba(53, 194, 214, 0.2) 0 1px, transparent 1px 42px);
  -webkit-mask-image: radial-gradient(125% 95% at 50% 50%, #000 28%, transparent 80%);
  mask-image: radial-gradient(125% 95% at 50% 50%, #000 28%, transparent 80%);
}

.page-contact .city__node {
  position: absolute;
  z-index: 2;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 6px rgba(53, 194, 214, 0.16);
  cursor: default;
  outline: none;
}

.page-contact .city__node:hover,
.page-contact .city__node:focus-visible {
  background: var(--signal);
  box-shadow: 0 0 0 8px rgba(255, 122, 41, 0.18);
}

.page-contact .city__node::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  padding: 6px 10px;
  white-space: nowrap;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--turf);
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: 2px;
  opacity: 0;
  transform: translateX(-50%) translateY(4px);
  pointer-events: none;
  transition: opacity var(--ease), transform var(--ease);
}

.page-contact .city__node:hover::after,
.page-contact .city__node:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.page-contact .city__node--a { top: 24%; left: 20%; }
.page-contact .city__node--b { top: 58%; left: 42%; }
.page-contact .city__node--c { top: 33%; left: 68%; }
.page-contact .city__node--d { top: 74%; left: 79%; }

/* ---------- 平板及以上 ---------- */
@media (min-width: 820px) {
  .page-contact .board__inner {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .rhythm__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

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

  .page-contact .corp__points li {
    grid-template-columns: 92px minmax(0, 1fr);
  }
}

/* ---------- 桌面细节 ---------- */
@media (min-width: 1180px) {
  .page-contact .channel__value {
    letter-spacing: 0;
  }

  .page-contact .where__map {
    margin-top: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .status-pill__dot {
    animation: none;
  }

  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
  }
}