.page-contact {
  --contact-panel: rgba(18, 26, 51, .58);
  --contact-panel-soft: rgba(18, 26, 51, .32);
}

.page-contact .crumbs {
  margin-block: clamp(.9rem, 2vw, 1.4rem) 0;
}

/* ---------- 首屏：通道对照 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(1.8rem, 5vw, 3.2rem) clamp(2.2rem, 6vw, 4rem);
  border-bottom: 1px solid var(--ridge);
}

.page-contact .hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  overflow: hidden;
}

.page-contact .hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-contact .hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 80% at 6% 0%, rgba(215, 38, 61, .20), transparent 58%),
    radial-gradient(90% 70% at 100% 18%, rgba(47, 191, 166, .12), transparent 62%),
    linear-gradient(180deg, rgba(10, 16, 36, .30), rgba(10, 16, 36, .90) 72%, var(--night));
}

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

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(1.25rem, 3vw, 1.9rem);
  border: 1px solid var(--ridge);
  border-radius: var(--radius);
  background: linear-gradient(162deg, rgba(18, 26, 51, .94), rgba(14, 22, 48, .82));
  box-shadow: var(--shadow-soft);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 0 0 var(--radius) var(--radius);
}

.page-contact .channel-card--mail::before {
  background: linear-gradient(90deg, var(--red), rgba(215, 38, 61, .15));
}

.page-contact .channel-card--phone::before {
  background: linear-gradient(90deg, var(--amber), rgba(242, 169, 59, .15));
}

.page-contact .channel-card--mail:hover {
  border-color: var(--red);
  box-shadow: 0 26px 54px -36px rgba(215, 38, 61, .9), inset 0 0 0 1px rgba(215, 38, 61, .14);
}

.page-contact .channel-card--phone:hover {
  border-color: var(--amber);
  box-shadow: 0 26px 54px -36px rgba(242, 169, 59, .85), inset 0 0 0 1px rgba(242, 169, 59, .14);
}

.page-contact .channel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
}

.page-contact .channel-tag {
  padding: .18rem .6rem;
  border: 1px solid var(--ridge);
  border-radius: 999px;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-contact .channel-card--mail .channel-tag {
  border-color: rgba(215, 38, 61, .5);
  color: #f0a3ae;
}

.page-contact .channel-card--phone .channel-tag {
  border-color: rgba(242, 169, 59, .5);
  color: #f2cd8a;
}

.page-contact .channel-title {
  margin: 0;
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  color: var(--snow);
}

.page-contact .channel-value {
  margin: .8rem 0 .7rem;
  font-size: clamp(1.02rem, 2.8vw, 1.42rem);
  letter-spacing: .02em;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--phone .channel-value {
  color: #ffd894;
}

.page-contact .channel-desc {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .channel-list {
  margin: .95rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .45rem;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .channel-list li {
  position: relative;
  padding-left: 1.05rem;
}

.page-contact .channel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--teal);
}

/* ---------- 咨询前准备清单 ---------- */

.page-contact .check-list {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2.1rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .9rem;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--ridge);
  border-radius: var(--radius-sm);
  background: var(--contact-panel-soft);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-contact .check-item:hover {
  border-color: rgba(47, 191, 166, .55);
  background: rgba(18, 26, 51, .62);
}

.page-contact .check-box {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: .25rem;
  flex: none;
  border: 1px solid var(--ridge);
  border-radius: 5px;
  background: rgba(10, 16, 36, .78);
}

.page-contact .check-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(40deg);
}

.page-contact .check-title {
  margin: 0 0 .35rem;
  font-size: 1rem;
  color: var(--snow);
}

.page-contact .check-text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 服务范围 ---------- */

.page-contact .scope-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.1rem, 3vw, 1.8rem);
  margin-top: clamp(1.5rem, 3vw, 2.1rem);
  align-items: start;
}

.page-contact .scope-media {
  margin: 0;
  border: 1px solid var(--ridge);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--rock);
}

.page-contact .scope-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
}

.page-contact .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-contact .scope-item {
  padding: .95rem 1.1rem 1rem 1.15rem;
  border-left: 2px solid var(--ridge);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(18, 26, 51, .78), rgba(18, 26, 51, .22));
  transition: border-color .18s var(--ease);
}

.page-contact .scope-item:hover {
  border-left-color: var(--red);
}

.page-contact .scope-index {
  display: block;
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-contact .scope-title {
  margin: .25rem 0 .35rem;
  font-size: 1.02rem;
  color: var(--snow);
}

.page-contact .scope-text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .scope-text a {
  color: var(--snow);
  text-decoration: underline;
  text-decoration-color: rgba(233, 238, 248, .35);
  text-underline-offset: 3px;
}

.page-contact .scope-text a:hover {
  color: var(--amber);
}

/* ---------- 合作洽谈 ---------- */

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: clamp(1.5rem, 3vw, 2.1rem);
}

.page-contact .partner-card {
  padding: 1.25rem 1.2rem;
  background: linear-gradient(155deg, rgba(18, 26, 51, .9), rgba(14, 22, 48, .72));
}

.page-contact .partner-title {
  margin: 0 0 .5rem;
  font-size: 1.05rem;
  color: var(--snow);
}

.page-contact .partner-text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .partner-text a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .partner-cta {
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
  padding: 1rem 1.15rem;
  border: 1px dashed var(--ridge);
  border-radius: var(--radius-sm);
  font-size: .94rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .partner-cta .mono {
  color: var(--amber);
  overflow-wrap: anywhere;
}

/* ---------- 服务区域 ---------- */

.page-contact .region-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  margin-top: clamp(1.5rem, 3vw, 2.1rem);
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--ridge);
  border-radius: var(--radius);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(47, 191, 166, .12), transparent 58%),
    var(--contact-panel);
}

.page-contact .region-map {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: .5rem;
  max-width: 300px;
}

.page-contact .region-map .dot {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--ridge);
  border-radius: 4px;
  background: rgba(10, 16, 36, .78);
}

.page-contact .region-map .dot:nth-child(6n) {
  border-color: rgba(47, 191, 166, .55);
  background: rgba(47, 191, 166, .14);
}

.page-contact .region-map .dot:nth-child(11n) {
  border-color: rgba(242, 169, 59, .6);
  background: rgba(242, 169, 59, .16);
}

.page-contact .region-facts {
  display: grid;
  gap: .9rem;
  margin: 0;
}

.page-contact .region-fact {
  display: grid;
  gap: .2rem;
  padding-left: .9rem;
  border-left: 2px solid var(--ridge);
}

.page-contact .region-fact dt {
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .region-fact dd {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--snow);
}

.page-contact .region-num {
  margin-right: .3rem;
  font-size: 1.5rem;
  color: var(--amber);
}

/* ---------- 服务点与备案 ---------- */

.page-contact .address-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.3rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--ridge);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(18, 26, 51, .86), rgba(10, 16, 36, .6));
}

.page-contact .address-title {
  margin: 0 0 .6rem;
  font-size: clamp(1.15rem, 2.6vw, 1.35rem);
  color: var(--snow);
}

.page-contact .address-text {
  margin: 0 0 .7rem;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .address-text:last-child {
  margin-bottom: 0;
}

.page-contact .address-text a {
  color: var(--snow);
  text-decoration: underline;
  text-decoration-color: rgba(233, 238, 248, .35);
  text-underline-offset: 3px;
}

.page-contact .address-text a:hover {
  color: var(--amber);
}

.page-contact .address-block {
  display: grid;
  gap: .45rem;
  margin: 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--ridge);
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(10, 16, 36, .6);
  font-style: normal;
}

.page-contact .address-line {
  display: block;
  font-size: .92rem;
  letter-spacing: .02em;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .address-block .address-line:nth-child(2) {
  color: var(--amber);
}

.page-contact .address-block .address-line:nth-child(3) {
  color: var(--mist);
}

.page-contact .address-legal {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 46em) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
  }

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

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

  .page-contact .address-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 60em) {
  .page-contact .scope-split {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .page-contact .region-board {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 2rem;
  }

  .page-contact .region-map {
    max-width: 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .check-item,
  .page-contact .scope-item {
    transition: none;
  }
}